阅读说明：本技术 一种骨伤科用可调固定装置 (Orthopedics is with adjustable fixing device ) 是由 张宏伟 张晓刚 王志鹏 赵希云 李元贞 曹小兵 姚川江 于 2020-03-26 设计创作，主要内容包括：一种骨伤科用可调固定装置,包括第一固定部和第二固定部,第一固定部包括有可向中心移动并具有自锁功能的第一单向固定环、第二单向固定环,第二固定部包括有可中心收缩并具有自锁功能的第三单向固定环和第四单向固定环,第一单向固定环、第二单向固定环、第三单向固定环和第四单向固定环的结构均相同；第一单向固定环和第二单向固定环之间与第三单向固定环和第四单向固定环之间分别铰接有可伸缩的夹紧部；本装置使用简单方便,实用性强,第一固定环、第二固定环、第三固定环和第四固定环分别可以根据肢体粗细不同的部位调节直径的大小,并且夹紧部均可以充分与肢体贴合,保证患者上肢或下肢固定的牢固性。(An adjustable fixing device for orthopedics department comprises a first fixing part and a second fixing part, wherein the first fixing part comprises a first one-way fixing ring and a second one-way fixing ring which can move towards the center and have a self-locking function, the second fixing part comprises a third one-way fixing ring and a fourth one-way fixing ring which can shrink from the center and have a self-locking function, and the first one-way fixing ring, the second one-way fixing ring, the third one-way fixing ring and the fourth one-way fixing ring have the same structure; telescopic clamping parts are respectively hinged between the first one-way fixing ring and the second one-way fixing ring and between the third one-way fixing ring and the fourth one-way fixing ring; this device convenient to use, the practicality is strong, and the solid fixed ring of first solid fixed ring, the solid fixed ring of second, the solid fixed ring of third and the solid fixed ring of fourth can be according to the size of the position adjustment diameter that the limbs thickness is different respectively to clamping part all can be fully with the limbs laminating, guarantees the fastness that patient's upper limbs or low limbs are fixed.)

1. The utility model provides an orthopedics is with adjustable fixing device, includes first fixed part and second fixed part, its characterized in that: the first fixing part and the second fixing part are hinged with each other, and the lengths of the first fixing part and the second fixing part can be adjusted; the first fixing part comprises a first one-way fixing ring (3) and a second one-way fixing ring (4), the first one-way fixing ring can move towards the center and has a self-locking function, the second fixing part comprises a third one-way fixing ring (5) and a fourth one-way fixing ring (6), the third one-way fixing ring (5) and the fourth one-way fixing ring can contract towards the center and have the self-locking function, and the structures of the first one-way fixing ring (3), the second one-way fixing ring (4), the third one-way fixing ring (5) and the fourth one-way fixing ring (6; a telescopic clamping part (85) is hinged between the first one-way fixing ring (3) and the second one-way fixing ring (4) and between the third one-way fixing ring (5) and the fourth one-way fixing ring (6) respectively;

a hanging belt box (18) is mounted at the upper end of the first fixing part, a hanging belt (19) which can be pulled out to the outside of the hanging belt box (18) is mounted in the hanging belt box (18), coil springs (20) are arranged at the front end and the rear end of the interior of the hanging belt box (18), a belt shaft (21) is arranged between the two coil springs (20), the inner ends of the two coil springs (20) are fixedly connected with the belt shaft (21), and the outer ends of the two coil springs (20) are fixedly connected with the inner wall of the hanging belt box (18); the hanging belt (19) is wound on the surface of the belt shaft (21), the inner end of the hanging belt (19) is fixedly connected with the belt shaft (21), the front end surface of the hanging belt box (18) is fixedly connected with a hanging belt control box (22), a rotating toothed disc (31) is arranged inside the hanging belt control box (22), the front end of the belt shaft (21) penetrates through the hanging belt box (18) and the hanging belt control box (22), the front end of the belt shaft (21) is fixedly connected with the rotating toothed disc (31), a plurality of displacement fixing toothed blocks (30) capable of synchronously moving outwards are meshed at the edge of the rotating toothed disc (31), and the displacement fixing toothed blocks (30) are in sliding connection with the inner wall of the hanging belt control box (22).

2. The adjustable fixation device of claim 1 further comprising: a hinged part is arranged between the second one-way fixing ring (4) and the third one-way fixing ring (5), the second fixing ring (4) and the third fixing ring (5) are connected through the hinged part, the hinged part comprises a first upper connecting piece (1) and a first lower connecting piece (2) which are mutually rotatably connected and a second upper connecting piece (16) and a second lower connecting piece (17) which are mutually rotatably connected, a locking fluted disc (12) is fixedly connected inside the first lower connecting piece (2), a plurality of locking clamping blocks (10) which can move outwards are respectively meshed with the periphery of the locking fluted disc (12), and the locking clamping blocks (10) are all in sliding connection with the first upper connecting piece (1); the upper end surface of the first upper connecting piece (1) is rotatably connected with an angle-adjustable knob (8), a rotatable linkage disk (9) is installed inside the first upper connecting piece (1), the linkage disk (9) is fixedly connected with the angle-adjustable knob (8), the edge of the lower end surface of the linkage disk (9) is hinged with a plurality of first connecting rods (11), the other ends of the first connecting rods are hinged with the locking clamping blocks (10), and when the angle-adjustable knob (8) rotates, a structure that the locking clamping blocks (10) synchronously move outwards can be formed;

two sides of the lower end surface of the locking clamping block (10) are fixedly connected with first auxiliary sliding blocks, a first auxiliary sliding groove matched with the first auxiliary sliding blocks is formed in the inner wall of the first upper connecting piece (1), a first reset spring (13) is arranged in each first auxiliary sliding groove, and two ends of each first reset spring (13) are fixedly connected with the first auxiliary sliding blocks and the inner wall of the first auxiliary sliding groove respectively;

the peripheral surface of first upper connecting piece (1) is provided with angle scale (15), angle scale (15) set up to zero degree to one hundred eighty degrees, the fixed surface of first lower connecting piece (2) be connected with angle scale (15) matched with scale pointer (14).

3. The adjustable fixation device for orthopedics of claim 2, wherein: the first one-way fixing ring (3) comprises a first fixing arc plate (32), a second fixing arc plate (33), a third fixing arc plate (34), a fourth fixing arc plate (35), a fifth fixing arc plate (36) and a sixth fixing arc plate (37); the first fixed arc plate (32) and the fourth fixed arc plate (35) correspond to each other, the second fixed arc plate (33) and the third fixed arc plate (34) correspond to the fifth fixed arc plate (36) and the sixth fixed arc plate (37) respectively, and the fifth fixed arc plate (36) and the sixth fixed arc plate (37) are hinged to each other;

the left ends of the first upper connecting piece (1) and the second upper connecting piece (16) are respectively and sequentially connected with a first fixed arc plate (32) and a fourth fixed arc plate (35) in the second unidirectional fixing ring (4) in a sliding manner, and the right ends of the first lower connecting piece (2) and the second lower connecting piece (17) are respectively and sequentially connected with the first fixed arc plate (32) and the fourth fixed arc plate (35) in the third unidirectional fixing ring (5) in a sliding manner; the surface of the second fixed arc plate (33) is fixedly connected with a lock box (51), and the surface of the third fixed arc plate (34) is fixedly connected with two first hooks (52); the left end and the right end in the lock box (51) are both connected with disengaging slide rail boxes (57) capable of moving back and forth in a sliding mode, the surfaces of the front ends of the two disengaging slide rail boxes (57) are both connected with second hooks (53) capable of moving up and down in a sliding mode, and the second hooks (53) are matched with the first hooks (52);

the upper side and the lower side of the surface of the rear end of the disengaging sliding rail box (57) are fixedly connected with spring rods (63), the surface of each spring rod (63) is connected with a spring cylinder (53) in a sliding mode, each spring cylinder (53) is fixedly connected with the lock box (51), a disengaging spring (56) is fixedly connected in each spring cylinder (53), and two ends of each disengaging spring (56) are fixedly connected with the inner wall of each spring cylinder (53) and each spring rod (63) respectively; a pressing plate (58) is arranged on the front side of the lock box (51), and the left end and the right end of the pressing plate (58) are fixedly connected with the disengaging sliding rail box (57); fourth return springs (59) are arranged inside the disengaging slide rail boxes (57), second auxiliary sliding blocks (60) are fixedly connected to the surfaces of the rear ends of the second hooks (53), the second auxiliary sliding blocks (60) are slidably connected with the disengaging slide rail boxes (57), and the fourth return springs (59) are fixedly connected with the second auxiliary sliding blocks (60) and the inner walls of the disengaging slide rail boxes (57) respectively; the front end surfaces of the two second hooks (53) are fixedly connected with disengaging racks (54), the inner sides of the disengaging racks (54) are respectively meshed with a first disengaging gear (61) and a second disengaging gear (62), and the first disengaging gear (61) and the second disengaging gear (62) are meshed with each other; the center of the first disengaging gear (61) is fixedly connected with a lock shaft, the front end of the lock shaft penetrates through the lock box (51) and the pressing plate (58), the front end of the lock shaft is fixedly connected with an unlocking knob (84), and when the unlocking knob (84) is rotated, a structure that the two second hooks (53) move downwards to be disengaged from the first hooks (52) can be formed.

4. The adjustable fixation device for orthopedics of claim 3, wherein: extension plates are respectively arranged between the third fixed arc plate (34) and the fourth fixed arc plate (35) and between the sixth fixed arc plate (37) and the first fixed arc plate (32), one ends of the two extension plates are respectively fixedly connected with the first fixed arc plate (32) and the fourth fixed arc plate (35), and the other ends of the extension plates are respectively connected with the third fixed arc plate (34) and the sixth fixed arc plate (37) in a sliding manner;

built-in plates (42) are respectively arranged between the first fixed arc plate (32) and the second fixed arc plate (33) and between the fourth fixed arc plate (35) and the fifth fixed arc plate (36), one ends of the two built-in plates (42) are respectively and fixedly connected with the first fixed arc plate (32) and the fifth fixed arc plate (36), accommodating grooves are formed in the second fixed arc plate (33) and the fourth fixed arc plate (35), and the other ends of the built-in plates (42) are respectively and slidably connected with the accommodating grooves in the second fixed arc plate (33) and the fourth fixed arc plate (35); the left side and the right side of the surface of the built-in plate (42) are fixedly connected with built-in racks (43), the surface of each built-in rack (43) is provided with a pushing gear (44), the centers of the two pushing gears (44) are fixedly connected with a gear shaft, and the right end of the gear shaft is respectively and rotatably connected with the inner walls of the second fixed arc plate (33) and the fourth fixed arc plate (35); the left ends of the second fixed arc plate (33) and the fourth fixed arc plate (35) are fixedly connected with a first protection box (45), the left end of the first protection box (45) is rotatably connected with a control knob, a stop ratchet wheel (47) is arranged inside the first protection box (45), the stop ratchet wheel (47) is coaxially and fixedly connected with the pushing gear (44), stop pawls (48) are respectively meshed with two sides of the stop ratchet wheel (47), the stop pawls (48) are respectively hinged with the inner wall of the protection box, a third reset spring (50) is respectively fixedly connected to the outer end surface of each stop pawl (48), and the other end of each third reset spring (50) is respectively fixedly connected with the first protection box (45); the left end of locking ratchet (47) all is provided with mounting panel (46), mounting panel (46) all with control knob fixed connection, the right-hand member surface edge of mounting panel (46) all articulates there is articulated board (49), the other end of articulated board (49) respectively with locking pawl (48) are articulated.

5. The adjustable fixation device for orthopedics of claim 4, wherein: the surface two sides of the first fixed arc plate (32) and the fourth fixed arc plate (35), the surface outer sides of the second fixed arc plate (33) and the third fixed arc plate (34), the surface outer sides of the fifth fixed arc plate (36) and the sixth fixed arc plate (37) are fixedly connected with a slide rail box (39) respectively, each slide rail box (39) is internally and slidably connected with two pushing sliding blocks (40) respectively, the outer ends of the pushing sliding blocks (40) are fixedly connected with second return springs (41), the other ends of the second return springs (41) are fixedly connected with the slide rail box (39), the outer sides of the adjacent two slide rail boxes (39) are provided with X-shaped cross-shearing type expansion brackets (86), and four end points of each cross-shearing type expansion bracket (86) are hinged to the pushing sliding blocks (40) respectively.

6. The adjustable fixation device of claim 1 further comprising: the clamping part (85) comprises a first main clamping plate (64), a first auxiliary clamping plate (65), a second main clamping plate (66), a second auxiliary clamping plate (68), a third main clamping plate (67), a third auxiliary clamping plate (69), a fourth main clamping plate (71), a fourth auxiliary clamping plate (70), a fifth main clamping plate (88), a fifth auxiliary clamping plate (72), a sixth main clamping plate (89) and a sixth auxiliary clamping plate (73); the fifth main clamping plate (88) is hinged with the sixth main clamping plate (89), and the fifth auxiliary clamping plate (72) is hinged with the sixth auxiliary clamping plate (73); the first main clamping plate (64), the second main clamping plate (66), the third main clamping plate (67), the fourth main clamping plate (71), the fifth main clamping plate (88) and the sixth main clamping plate (89) are hinged with the corresponding first fixed arc plate (32), the second fixed arc plate (33), the third fixed arc plate (34), the fourth fixed arc plate (35), the fifth fixed arc plate (36) and the sixth fixed arc plate (37) respectively; a second elongated plate (83) is respectively connected inside the second main clamping plate (66), the third main clamping plate (67), the fourth main clamping plate (71), the fifth main clamping plate (88) and the sixth main clamping plate (89) in a sliding manner, and the other end of the second elongated plate (83) is respectively fixedly connected with the first auxiliary clamping plate (65), the second auxiliary clamping plate (68), the third auxiliary clamping plate (69), the fourth auxiliary clamping plate (70), the fifth auxiliary clamping plate (72) and the sixth auxiliary clamping plate (73); a first lengthening plate (74) is connected to the inner portion of the first main clamping plate (64) in a sliding mode, the other end of the first lengthening plate (74) is fixedly connected with the first auxiliary lengthening plate, a lengthening rack (75) is fixedly connected to the upper end surface of the first lengthening plate (74), and a lengthening gear (76) meshed with one side of the lengthening rack (75); the equal fixedly connected with third protection box (82) in upper end of first main grip block (64), the internal rotation of third protection box (82) is connected with extension worm wheel (77), extension worm wheel (77) with the coaxial rigid coupling of extension gear (76), one side meshing of extension worm wheel (77) has extension worm (81), the both ends of extension worm (81) respectively with the rotation of third protection box (82) inner wall is connected, the first extension bevel gear (78) of front end fixedly connected with of extension worm (81), the upper end meshing of first extension bevel gear (78) has second extension bevel gear (79), the upper end rotation of third protection box (82) is connected with extension knob (80), second extension bevel gear (79) with the coaxial rigid coupling of extension knob (80).

7. The adjustable fixation device of claim 1 further comprising: the hanging belt box (18) is fixedly connected to the upper end of the first fixed arc plate (32) in the first one-way fixed ring (3), an opening is formed in the upper end of the hanging belt box (18), the outer end of the hanging belt (19) extends to the outer side of the hanging belt box (18) through the opening, and a blocking bead is fixedly connected to the outer end of the hanging belt (19);

the outer ends of the displacement fixing tooth blocks (30) are fixedly connected with linkage racks (29), one sides of the linkage racks (29) are respectively meshed with a transmission gear (28), the transmission gears (28) are respectively rotatably connected with the inner wall of the strap hanging control box (22), the front ends of the transmission gears (28) are respectively and coaxially and fixedly connected with a linkage worm wheel (27), one sides of the linkage worm wheels (27) are respectively meshed with a transmission worm (26), the transmission worms (26) are respectively rotatably connected with the inner wall of the strap hanging control box (22), and the inner surfaces of the transmission worms (26) are respectively and fixedly connected with a linkage conical gear (25); hang the inside front side rotation connection of taking control box (22) and have circular cone control fluted disc (24), circular cone control fluted disc (24) all with interlock conical gear (25) meshing, the front end of hanging taking control box (22) is provided with unblock knob (23), unblock knob (23) with circular cone control fluted disc (24) coaxial rigid coupling can constitute when rotating unblock knob (23) the synchronous structure that moves to the outside of displacement fixed tooth piece (30).

Technical Field

The invention relates to the field of medical equipment, in particular to an adjustable fixing device for orthopedics and traumatology.

Background

Orthopedics mainly used treats fracture that external force or trauma and lead to, for example four limbs fracture, lumbar vertebrae fracture etc. to the patient of four limbs fracture, need fix the four limbs of fracture usually when treating this type of patient, promote bone recovery and prevent that limbs from receiving secondary damage, present main fixed method is fixed or is beaten the gypsum with the limbs of fracture through splint with the limbs centre gripping, it is fixed through the gypsum, but can often appear droing to the limbs is fixed through splint, fixed insecure phenomenon, and because the gypsum is fixed only for disposable, can't adjust according to the recovered situation of patient's limbs in the treatment process, also can't carry out nimble dismantlement, bring some unnecessary troubles easily in the treatment process.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an adjustable fixing device for orthopedics and traumatology, which effectively solves the problems caused by fixing limbs of a patient through splints and plaster at present.

In order to solve the problems, the invention adopts the technical scheme that:

an adjustable fixing device for orthopedics department comprises a first fixing part and a second fixing part, wherein the first fixing part and the second fixing part are hinged with each other, and the lengths of the first fixing part and the second fixing part can be adjusted; the first fixing part comprises a first one-way fixing ring and a second one-way fixing ring which can move towards the center and have a self-locking function, the second fixing part comprises a third one-way fixing ring and a fourth one-way fixing ring which can contract towards the center and have a self-locking function, and the first one-way fixing ring, the second one-way fixing ring, the third one-way fixing ring and the fourth one-way fixing ring are identical in structure; telescopic clamping parts are hinged between the first one-way fixing ring and the second one-way fixing ring and between the third one-way fixing ring and the fourth one-way fixing ring respectively;

a hanging belt box is installed at the upper end of the first fixing part, a hanging belt which can be pulled out to the outside of the hanging belt box is installed inside the hanging belt box, coil springs are arranged at the front end and the rear end inside the hanging belt box, a belt shaft is arranged between the two coil springs, the inner ends of the two coil springs are fixedly connected with the belt shaft, and the outer ends of the two coil springs are fixedly connected with the inner wall of the hanging belt box; the hanging belt is wound on the surface of the belt shaft, the inner end of the hanging belt is fixedly connected with the belt shaft, the surface of the front end of the hanging belt box is fixedly connected with a hanging belt control box, a rotating fluted disc is arranged inside the hanging belt control box, the front end of the belt shaft penetrates through the hanging belt box and the hanging belt control box, the front end of the belt shaft is fixedly connected with the rotating fluted disc, a plurality of displacement fixing tooth blocks capable of synchronously moving outwards are meshed at the edge of the rotating fluted disc, and the displacement fixing tooth blocks are in sliding connection with the inner wall of the hanging belt control box.

Preferably, a hinge portion is installed between the second one-way fixing ring and the third one-way fixing ring, the second fixing ring and the third fixing ring are connected through the hinge portion, the hinge portion comprises a first upper connecting piece and a first lower connecting piece which are mutually rotatably connected, and a second upper connecting piece and a second lower connecting piece which are mutually rotatably connected, a locking fluted disc is fixedly connected inside the first lower connecting piece, a plurality of locking clamping blocks which move outwards are respectively engaged with the periphery of the locking fluted disc, and the locking clamping blocks are both slidably connected with the first upper connecting piece; the upper end surface of the first upper connecting piece is rotatably connected with an angle-adjustable knob, a rotatable linkage disk is mounted inside the first upper connecting piece, the linkage disk is fixedly connected with the angle-adjustable knob, the edge of the lower end surface of the linkage disk is hinged with a plurality of first connecting rods, the other ends of the first connecting rods are hinged with the locking fixture blocks, and when the angle-adjustable knob rotates, a structure that the locking fixture blocks synchronously move outwards can be formed;

the two sides of the surface of the lower end of the locking clamping block are fixedly connected with first auxiliary sliding blocks, the inner wall of the first upper connecting piece is provided with a first auxiliary sliding groove matched with the first auxiliary sliding blocks, a first reset spring is arranged in each first auxiliary sliding groove, and the two ends of each first reset spring are fixedly connected with the first auxiliary sliding blocks and the inner wall of the first auxiliary sliding groove respectively;

the peripheral surface of first upper junction spare is provided with the angle scale, the angle scale sets up to zero degree to one hundred eighty degrees, the fixed surface of first lower junction spare be connected with angle scale matched with scale pointer.

Preferably, the first unidirectional fixing ring comprises a first fixing arc plate, a second fixing arc plate, a third fixing arc plate, a fourth fixing arc plate, a fifth fixing arc plate and a sixth fixing arc plate; the first fixed arc plate and the fourth fixed arc plate correspond to each other, the second fixed arc plate and the third fixed arc plate correspond to the fifth fixed arc plate and the sixth fixed arc plate, and the fifth fixed arc plate and the sixth fixed arc plate are hinged to each other; the left ends of the first upper connecting piece and the second upper connecting piece are respectively and sequentially connected with a first fixed arc plate and a fourth fixed arc plate in the second unidirectional fixed ring in a sliding manner, and the right ends of the first lower connecting piece and the second lower connecting piece are respectively and sequentially connected with a first fixed arc plate and a fourth fixed arc plate in the third unidirectional fixed ring in a sliding manner; the surface of the second fixed arc plate is fixedly connected with a lock box, and the surface of the third fixed arc plate is fixedly connected with two first hooks; the left end and the right end in the lock box are both connected with disengaging slide rail boxes capable of moving back and forth in a sliding mode, the surfaces of the front ends of the two disengaging slide rail boxes are both connected with second hooks capable of moving up and down in a sliding mode, and the second hooks are matched with the first hooks;

the upper side and the lower side of the surface of the rear end of the disengaging slide rail box are fixedly connected with spring rods, the surface of each spring rod is connected with a spring cylinder in a sliding manner, each spring cylinder is fixedly connected with the lock box, a disengaging spring is fixedly connected in each spring cylinder, two ends of each disengaging spring are respectively and fixedly connected with the inner wall of each spring cylinder and the corresponding spring rod, a pressing plate is arranged on the front side of the lock box, and the left end and the right end of each pressing plate are fixedly connected with the disengaging slide rail box; fourth reset springs are arranged inside the disengaging slide rail boxes, the surfaces of the rear ends of the second hooks are fixedly connected with second auxiliary slide blocks, the second auxiliary slide blocks are in sliding connection with the disengaging slide rail boxes, and the fourth reset springs are fixedly connected with the second auxiliary slide blocks and the inner walls of the disengaging slide rail boxes respectively; the front end surfaces of the two second hooks are fixedly connected with disengaging racks, the inner sides of the disengaging racks are respectively meshed with a first disengaging gear and a second disengaging gear, and the first disengaging gear and the second disengaging gear are meshed with each other; the center of the first disengaging gear is fixedly connected with a lock shaft, the front end of the lock shaft penetrates through the lock box and the pressing plate, the front end of the lock shaft is fixedly connected with an unlocking knob, and when the unlocking knob is rotated, a structure that the two second hooks move downwards to be disengaged from the first hooks can be formed.

Preferably, extension plates are respectively arranged between the third fixed arc plate and the fourth fixed arc plate and between the sixth fixed arc plate and the first fixed arc plate, one ends of the two extension plates are respectively fixedly connected with the first fixed arc plate and the fourth fixed arc plate, and the other ends of the extension plates are respectively connected with the third fixed arc plate and the sixth fixed arc plate in a sliding manner;

built-in plates are respectively arranged between the first fixed arc plate and the second fixed arc plate and between the fourth fixed arc plate and the fifth fixed arc plate, one ends of the two built-in plates are respectively and fixedly connected with the first fixed arc plate and the fifth fixed arc plate, accommodating grooves are formed in the second fixed arc plate and the fourth fixed arc plate, and the other ends of the built-in plates are respectively and slidably connected with the accommodating grooves in the second fixed arc plate and the fourth fixed arc plate; the left side and the right side of the surface of the built-in plate are fixedly connected with built-in racks, the surface of each built-in rack is provided with a pushing gear, the centers of the two pushing gears are fixedly connected with a gear shaft, and the right end of the gear shaft is respectively and rotatably connected with the inner walls of the second fixed arc plate and the fourth fixed arc plate; the left ends of the second fixed arc plate and the fourth fixed arc plate are fixedly connected with a first protection box, the left end of the first protection box is rotatably connected with a control knob, a stop ratchet wheel is arranged inside the first protection box and is coaxially and fixedly connected with the push gear, stop pawls are meshed on two sides of the stop ratchet wheel and are hinged to the inner wall of the protection box, the outer end surface of each stop pawl is fixedly connected with a third reset spring, and the other end of each third reset spring is fixedly connected with the first protection box; the left end of locking ratchet all is provided with the mounting panel, the mounting panel all with control knob fixed connection, the right-hand member surface edge of mounting panel all articulates there is the articulated slab, the other end of articulated slab respectively with the locking pawl is articulated.

Preferably, the two sides of the surface of the first fixed arc plate and the four sides of the surface of the second fixed arc plate and the third fixed arc plate, the outer sides of the surface of the fifth fixed arc plate and the sixth fixed arc plate, and the outer sides of the surface of the fifth fixed arc plate and the sixth fixed arc plate are respectively and fixedly connected with a slide rail box, each slide rail box is internally and respectively and slidably connected with two pushing slide blocks, the outer ends of the pushing slide blocks are respectively and fixedly connected with a second reset spring, the other ends of the second reset springs are fixedly connected with the slide rail box, the two adjacent slide rail boxes are respectively and externally provided with an X-shaped cross-shearing type expansion bracket, and four end points of the cross-shearing type expansion bracket are respectively hinged with the pushing slide blocks.

Preferably, the clamping part comprises a first main clamping plate, a first auxiliary clamping plate, a second main clamping plate, a second auxiliary clamping plate, a third main clamping plate, a third auxiliary clamping plate, a fourth main clamping plate, a fourth auxiliary clamping plate, a fifth main clamping plate, a fifth auxiliary clamping plate, a sixth main clamping plate and a sixth auxiliary clamping plate; the fifth main clamping plate is hinged with the sixth main clamping plate, and the fifth auxiliary clamping plate is hinged with the sixth auxiliary clamping plate; the first main clamping plate, the second main clamping plate, the third main clamping plate, the fourth main clamping plate, the fifth main clamping plate and the sixth main clamping plate are respectively hinged with the corresponding first fixed arc plate, the second fixed arc plate, the third fixed arc plate, the fourth fixed arc plate, the fifth fixed arc plate and the sixth fixed arc plate; the inner parts of the second main clamping plate, the third main clamping plate, the fourth main clamping plate, the fifth main clamping plate and the sixth main clamping plate are respectively connected with a second lengthened plate in a sliding manner, and the other end of the second lengthened plate is respectively fixedly connected with the first auxiliary clamping plate, the second auxiliary clamping plate, the third auxiliary clamping plate, the fourth auxiliary clamping plate, the fifth auxiliary clamping plate and the sixth auxiliary clamping plate; a first elongated plate is connected to the inside of the first main clamping plate in a sliding mode, the other end of the first elongated plate is fixedly connected with the first auxiliary elongated plate, a lengthened rack is fixedly connected to the surface of the upper end of the first elongated plate, and a lengthened gear meshed with one side of the lengthened rack is arranged on the surface of the upper end of the first elongated plate; the equal fixedly connected with third protection box in upper end of first main grip block, the internal rotation of third protection box is connected with extra long worm wheel, the extra long worm wheel with the coaxial rigid coupling of extra long gear, the meshing of one side of extra long worm wheel has the extension worm, the both ends of extension worm respectively with the box inner wall is protected to the third rotates and is connected, the front end fixedly connected with of extension worm first extension bevel gear, the meshing of the upper end of first extension bevel gear has second extension bevel gear, the upper end rotation of third protection box is connected with extension knob, second extension bevel gear with the coaxial rigid coupling of extension knob.

Preferably, the hanging belt box is fixedly connected to the upper end of the first fixed arc plate in the first unidirectional fixed ring, an opening is formed in the upper end of the hanging belt box, the outer end of the hanging belt extends to the outer side of the hanging belt box through the opening, and a blocking bead is fixedly connected to the outer end of the hanging belt;

the outer ends of the displacement fixing tooth blocks are fixedly connected with linkage racks, one sides of the linkage racks are meshed with transmission gears, the transmission gears are rotatably connected with the inner wall of the sling control box, the front ends of the transmission gears are coaxially and fixedly connected with linkage worm wheels, one sides of the linkage worm wheels are meshed with transmission worms, the transmission worms are rotatably connected with the inner wall of the sling control box, and linkage bevel gears are fixed on the inner surfaces of the transmission worms; the front side of the interior of the hanging belt control box is rotatably connected with a cone control fluted disc, the cone control fluted disc is meshed with the linkage cone gear, the front end of the hanging belt control box is provided with an unlocking knob, the unlocking knob is coaxially and fixedly connected with the cone control fluted disc, and when the unlocking knob is rotated, a structure that the displacement fixing tooth blocks synchronously move outwards can be formed.

The invention has novel structure, ingenious conception and simple and convenient operation, and compared with the prior art, the invention has the following advantages:

1. in the device, the upper limbs or the lower limbs of a patient are fixed through the first fixing part and the second fixing part, and the lengths and the diameters of the first fixing part and the second fixing part can be adjusted so as to be convenient for sufficiently fixing the upper limbs or the lower limbs of the patient;

2. the first fixing part and the second fixing part can be matched with arm bending in a rotating mode through the hinge part, the comfort degree of the device in use is improved, and the angle of the arm of the patient needing to be bent is set according to the indication that the arm of the patient is bent on the angle scale;

3. the upper limb or the lower limb of the patient is clamped and fixed by the first fixing part and the second fixing part, and then the hanging belt can be used for helping the patient to hang the limb, so that the stability of the limb is ensured, the hanging belt can be automatically retracted into the hanging belt box when not in use, the use is simple, and the operation is convenient;

4. this device convenient to use, the practicality is strong, and the solid fixed ring of first solid fixed ring, the solid fixed ring of second, the solid fixed ring of third and the solid fixed ring of fourth can be according to the size of the position adjustment diameter that the limbs thickness is different respectively to clamping part all can be fully with the limbs laminating, guarantees the fastness that patient's upper limbs or low limbs are fixed.

Drawings

Fig. 1 is a schematic overall structure diagram of an adjustable fixing device for orthopedics department.

Fig. 2 is a first schematic view of a hinge structure of an adjustable fixing device for orthopedics and traumatology according to the present invention.

Fig. 3 is a second schematic view of the hinge structure of the adjustable fixing device for orthopedics and traumatology of the invention.

Fig. 4 is a third schematic view of a hinge structure of an adjustable fixing device for orthopedics and traumatology of the invention.

Fig. 5 is a schematic structural view of a locking block of the adjustable fixing device for orthopedics department.

FIG. 6 is a schematic structural view of a first one-way retaining ring of the adjustable fixing device for orthopedics and traumatology of the present invention.

Fig. 7 is a schematic structural view of a slide rail box and a pushing slide block of the adjustable fixing device for orthopedics and traumatology department.

Fig. 8 is a schematic diagram of the structure of an internal plate of an adjustable fixing device for orthopedics and traumatology of the invention.

Fig. 9 is a schematic view of the internal structure of the first protective box of the adjustable fixing device for orthopedics and traumatology of the invention.

Fig. 10 is a first schematic view of the internal structure of the lock box of the adjustable fixing device for orthopedics department of the invention.

Fig. 11 is a second schematic view of the internal structure of the lock box of the adjustable fixing device for orthopedics department of the invention.

FIG. 12 is an exploded view of the connection structure of the first hook and the second hook of the adjustable fixing device for orthopedics and traumatology of the present invention.

FIG. 13 is a first schematic view of a clamp portion of an adjustable fixation device for orthopedics and traumatology according to the present invention.

FIG. 14 is a second schematic view of a clamp portion of an adjustable fixation device for orthopedics and traumatology in accordance with the present invention.

FIG. 15 is a first schematic view of the internal structure of a third protective case of the adjustable fixing device for orthopedics and traumatology department according to the present invention.

FIG. 16 is a second schematic view of the internal structure of a third protective case of the adjustable fixing device for orthopedics and traumatology of the invention.

FIG. 17 is a schematic structural view of a strap hanging box of the adjustable fixing device for orthopedics and traumatology of the present invention.

FIG. 18 is a schematic view of the internal structure of a sling control box of an adjustable fixing device for orthopedics and traumatology of the present invention.

Reference numbers in the figures: 1-a first upper connecting piece, 2-a first lower connecting piece, 3-a first one-way fixing ring, 4-a second one-way fixing ring, 5-a third one-way fixing ring, 6-a fourth one-way fixing ring, 8-an angle adjustable knob, 9-a linkage disk, 10-a locking fixture block, 11-a first linkage rod, 12-a locking fluted disc, 13-a first reset spring, 14-a scale pointer, 15-an angle scale, 16-a second upper connecting piece, 17-a second lower connecting piece, 18-a ribbon hanging box, 19-a ribbon hanging, 20-a coil spring, 21-a ribbon shaft, 22-a ribbon hanging control box, 23-an unlocking knob, 24-a conical control fluted disc, 25-a linkage conical gear, 26-a transmission worm, 27-a linkage worm wheel, 28-a transmission gear, 29-linkage rack, 30-displacement fixed tooth block, 31-rotary fluted disc, 32-first fixed arc plate, 33-second fixed arc plate, 34-third fixed arc plate, 35-fourth fixed arc plate, 36-fifth fixed arc plate, 37-sixth fixed arc plate, 39-sliding rail box, 40-pushing slide block, 41-second return spring, 42-built-in plate, 43-built-in rack, 44-pushing gear, 45-first protection box, 46-mounting plate, 47-locking ratchet wheel, 48-locking pawl, 49-hinged plate, 50-third return spring, 51-locking box, 52-first hook, 53-second hook, 54-disengaging rack, 55-spring barrel, 56-disengaging spring, 57-disengaging sliding rail box, 58-pressing plate, 59-fourth return spring, 60-second auxiliary sliding block, 61-first disengaging gear, 62-second disengaging gear, 63-spring rod, 64-first main clamping plate, 65-first auxiliary clamping plate, 66-second main clamping plate, 67-third main clamping plate, 68-second auxiliary clamping plate, 69-third auxiliary clamping plate, 70-fourth auxiliary clamping plate, 71-fourth main clamping plate, 72-fifth auxiliary clamping plate, 73-sixth auxiliary clamping plate, 74-first lengthening plate, 75-lengthening rack, 76-lengthening gear, 77-lengthening worm gear, 78-first lengthening bevel gear, 79-second lengthening bevel gear, 80-lengthening knob, 81-lengthening worm, 82-third protecting box, 83-second elongated plate, 84-unlocking knob, 85-clamping part, 86-cross type telescopic frame, 88-fifth main clamping plate and 89-sixth main clamping plate.

Detailed Description

The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 18, the present invention provides an adjustable fixing device for orthopedics and traumatology, which comprises a first fixing part and a second fixing part, wherein the first fixing part and the second fixing part are hinged to each other and the lengths of the first fixing part and the second fixing part are adjustable; the first fixing part comprises a first one-way fixing ring 3 and a second one-way fixing ring 4 which can move towards the center and have a self-locking function, the second fixing part comprises a third one-way fixing ring 5 and a fourth one-way fixing ring 6 which can shrink towards the center and have a self-locking function, and the first one-way fixing ring 3, the second one-way fixing ring 4, the third one-way fixing ring 5 and the fourth one-way fixing ring 6 are identical in structure; telescopic clamping parts 85 are hinged between the first one-way fixing ring 3 and the second one-way fixing ring 4 and between the third one-way fixing ring 5 and the fourth one-way fixing ring 6 respectively; a hanging tape box 18 is arranged at the upper end of the first fixing part, and a hanging tape 19 which can be pulled out to the outside of the hanging tape box 18 is arranged in the hanging tape box 18.

Fix patient's upper limbs or low limbs through first fixed part and second fixed part in this device, and the length and the diameter of first fixed part and second fixed part all can be adjusted, be used for conveniently carrying out abundant fixed to patient's upper limbs or low limbs, first one-way solid fixed ring 3, the one-way solid fixed ring 4 of second, the one-way solid fixed ring 6 of third all can be to the central shrink and have the function of one-way auto-lock in the shrink, it is fixed to conveniently carry out the centre gripping to patient's upper limbs or low limbs, the operation of being convenient for, patient's upper limbs or low limbs hang the area 19 and can be used to help the patient to hang the limb through fixed back of first fixed part and second fixed part centre gripping, guarantee the stability of limb, it is in the hanging area 19 can withdraw string box 18 automatically when not using, high durability and convenient use, and.

A hinged part is arranged between the second one-way fixing ring 4 and the third one-way fixing ring 5, the second fixing ring 4 and the third fixing ring 5 are connected through the hinged part, the hinged part comprises a first upper connecting piece 1 and a first lower connecting piece 2 which are mutually rotatably connected, and a second upper connecting piece 16 and a second lower connecting piece 17 which are mutually rotatably connected, a locking fluted disc 12 is fixedly connected inside the first lower connecting piece 2, a plurality of locking clamping blocks 10 moving outwards are respectively meshed with the periphery of the locking fluted disc 12, and the locking clamping blocks 10 are both in sliding connection with the first upper connecting piece 1; the upper end surface of the first upper connecting piece 1 is rotatably connected with an angle-adjustable knob 8, a rotatable linkage disk 9 is installed inside the first upper connecting piece 1, the linkage disk 9 is fixedly connected with the angle-adjustable knob 8, the lower end surface edge of the linkage disk 9 is hinged with a plurality of first connecting rods 11, the other ends of the first connecting rods are hinged with the locking fixture blocks 10, and when the angle-adjustable knob 8 rotates, a structure that the locking fixture blocks 10 synchronously move outwards can be formed;

both sides of the lower end surface of the locking fixture block 10 are fixedly connected with first auxiliary sliding blocks, a first auxiliary sliding groove matched with the first auxiliary sliding blocks is formed in the inner wall of the first upper connecting piece 1, a first reset spring 13 is arranged in each first auxiliary sliding groove, and both ends of each first reset spring 13 are fixedly connected with the first auxiliary sliding blocks and the inner wall of the first auxiliary sliding groove respectively;

the peripheral surface of first upper connecting piece 1 is provided with angle scale 15, angle scale 15 sets up to zero degree to one hundred eighty degrees, the fixed surface of first lower connecting piece 2 be connected with angle scale 15 matched with scale pointer 14.

The hinge part is used for connecting the first fixing part and the second fixing part, the first fixing part and the second fixing part can be in running fit with arm bending through the hinge part, the comfort degree of the device in use is improved, the bending angle of the arm can be checked through the indication of the scale pointer 14 on the angle scale 15 when the arm of a patient is bent, and the angle of the arm of the patient needing to be bent can be made through checking the indication of the scale pointer 14 on the angle scale 15; as shown in fig. three and fig. four, the initial state of the first fixing portion and the second fixing portion is a fixed state, when the first fixing portion and the second fixing portion rotate, the linking disk 9 can be driven to rotate by the rotation angle adjustable knob 8, when the linking disk 9 rotates, the locking fixture 10 can simultaneously move outwards and be disengaged from the locking fluted disc 12 by being pushed by the first linking rod 11, so that the first fixing portion and the second fixing portion can resume rotating; wherein the inside spring protection axle that is provided with of first supplementary spout, the both ends of spring protection axle all with first supplementary spout fixed connection, and first reset spring 13 covers on spring protection axle surface, first supplementary slider and spring protection axle sliding connection, locking fixture block 10 when the adjustable knob 8 of turned angle moves and can compress first reset spring 13, alright make locking fixture block 10 mesh with locking fluted disc 12 again under the effect through first reset spring 13 when loosening adjustable knob 8, and make adjustable knob 8 reset, make things convenient for patient's operation and use, the spring protection axle warp the damage when being used for preventing first reset spring 13 compression.

The first one-way fixing ring 3 comprises a first fixing arc plate 32, a second fixing arc plate 33, a third fixing arc plate 34, a fourth fixing arc plate 35, a fifth fixing arc plate 36 and a sixth fixing arc plate 37; the first fixed arc plate 32 and the fourth fixed arc plate 35 correspond to each other, the second fixed arc plate 33 and the third fixed arc plate 34 correspond to the fifth fixed arc plate 36 and the sixth fixed arc plate 37, and the fifth fixed arc plate 36 and the sixth fixed arc plate 37 are hinged to each other; the left ends of the first upper connecting piece 1 and the second upper connecting piece 16 are respectively and sequentially connected with the first fixed arc plate 32 and the fourth fixed arc plate 35 in the second one-way fixed ring 4 in a sliding manner, and the right ends of the first lower connecting piece 2 and the second lower connecting piece 17 are respectively and sequentially connected with the first fixed arc plate 32 and the fourth fixed arc plate 35 in the third one-way fixed ring 5 in a sliding manner; the surface of the second fixed arc plate 33 is fixedly connected with a lock box 51, and the surface of the third fixed arc plate 34 is fixedly connected with two first hooks 52; the left end and the right end in the lock box 51 are both connected with disengaging slide rail boxes 57 capable of moving back and forth in a sliding mode, the front end surfaces of the two disengaging slide rail boxes 57 are both connected with second hooks 53 capable of moving up and down in a sliding mode, and the second hooks 53 are matched with the first hooks 52;

spring rods 63 are fixedly connected to the upper side and the lower side of the surface of the rear end of the disengaging slide rail box 57, a spring cylinder 53 is slidably connected to the surface of the spring rod 63, the spring cylinder 53 is fixedly connected with the lock box 51, a disengaging spring 56 is fixedly connected to the inside of the spring cylinder 53, two ends of the disengaging spring 56 are respectively fixedly connected with the inner wall of the spring cylinder 53 and the spring rod 63, a pressing plate 58 is arranged on the front side of the lock box 51, and the left end and the right end of the pressing plate 58 are fixedly connected with the disengaging slide rail box 57; fourth reset springs 59 are arranged inside the disengaging slide rail boxes 57, second auxiliary slide blocks 60 are fixedly connected to the rear end surfaces of the second hooks 53, the second auxiliary slide blocks 60 are slidably connected with the disengaging slide rail boxes 57, and the fourth reset springs 59 are fixedly connected with the second auxiliary slide blocks 60 and the inner walls of the disengaging slide rail boxes 57 respectively; the front end surfaces of the two second hooks 53 are fixedly connected with disengaging racks 54, the inner sides of the disengaging racks 54 are respectively engaged with a first disengaging gear 61 and a second disengaging gear 62, and the first disengaging gear 61 and the second disengaging gear 62 are engaged with each other; a lock shaft is fixedly connected to the center of the first disengaging gear 61, the front end of the lock shaft penetrates through the lock case 51 and the pressing plate 58, an unlocking knob 84 is fixedly connected to each front end of the lock shaft, and when the unlocking knob 84 is rotated, a structure that the two second hooks 53 move downward to be disengaged from the first hooks 52 can be formed.

The first fixing part and the second fixing part can be turned over and opened by taking the hinged part of the fifth fixing arc plate 36 and the sixth fixing arc plate 37 as a center, so that a patient can conveniently place upper limbs or lower limbs into the first fixing part and the second fixing part, and the first hook 52 and the second hook 53 are matched for fixing; as shown in fig. ten and eleventh, in the device, the first hook 52 and the second hook 53 are in a matching connection state, when the first fixing part and the second fixing part need to be opened, the unlocking knob 84 can be rotated, when the unlocking knob 84 is rotated, the second hook 53 can be moved downwards through the transmission of the first disengaging gear 61 and the second disengaging gear 62, when the first hook 52 is disengaged from the second hook 53, the second hook 53 is pushed by the disengaging spring 56 to move forwards, the first hook 52 can be completely disengaged from the second hook 53, the first fixing part and the second fixing part can be opened, the second hook 53 can be moved upwards and reset under the action of the fourth reset spring 59, when the first fixing part and the second fixing part are closed, the pressing plate 58 is only needed to be pressed to compress the disengaging spring 56, as shown in fig. twelve, the second hook 53 is moved downwards through the matching with the first hook 52 and compresses the fourth reset spring 59, the connection is carried out under the pushing of a fourth return spring 59, the pressing plate 58 is released, and the pressing plate 58 is reset under the pushing of the disengaging spring 56; the slide rail boxes 39 are fixed inside the disengaging slide rail boxes 57, the disengaging springs 56 are sleeved on the surfaces of the slide rail boxes 39, through holes are formed in the surfaces of the second auxiliary sliding blocks 60, the second auxiliary sliding blocks 60 are connected with the slide rail boxes 39 in a sliding mode through the through holes, and the slide rail boxes 39 are used for preventing the disengaging springs 56 from deforming after being extruded and prolonging the service life of the disengaging springs 56; wherein, the lower end surface of the lock box 51 is provided with a rectangular through hole with the same width as the second hook 53, and is used for providing a moving space for the second hook 53 to move up and down.

Extension plates are respectively arranged between the third fixed arc plate 34 and the fourth fixed arc plate 35 and between the sixth fixed arc plate 37 and the first fixed arc plate 32, one ends of the two extension plates are respectively fixedly connected with the first fixed arc plate 32 and the fourth fixed arc plate 35, and the other ends of the extension plates are respectively connected with the third fixed arc plate 34 and the sixth fixed arc plate 37 in a sliding manner;

built-in plates 42 are respectively arranged between the first fixed arc plate 32 and the second fixed arc plate 33 and between the fourth fixed arc plate 35 and the fifth fixed arc plate 36, one ends of the two built-in plates 42 are respectively fixedly connected with the first fixed arc plate 32 and the fifth fixed arc plate 36, accommodating grooves are formed in the second fixed arc plate 33 and the fourth fixed arc plate 35, and the other ends of the built-in plates 42 are respectively connected with the accommodating grooves in the second fixed arc plate 33 and the fourth fixed arc plate 35 in a sliding manner; the left side and the right side of the surface of the built-in plate 42 are fixedly connected with built-in racks 43, the surface of each built-in rack 43 is provided with a pushing gear 44, the centers of the two pushing gears 44 are fixedly connected with a gear shaft, and the right end of the gear shaft is respectively and rotatably connected with the inner walls of the second fixed arc plate 33 and the fourth fixed arc plate 35; the left ends of the second fixed arc plate 33 and the fourth fixed arc plate 35 are fixedly connected with a first protection box 45, the left end of the first protection box 45 is rotatably connected with a control knob, a stop ratchet 47 is arranged inside the first protection box 45, the stop ratchet 47 is coaxially and fixedly connected with the push gear 44, stop pawls 48 are respectively meshed with two sides of the stop ratchet 47, the stop pawls 48 are respectively hinged with the inner wall of the protection box, the outer end surface of each stop pawl 48 is fixedly connected with a third return spring 50, and the other end of each third return spring 50 is respectively fixedly connected with the first protection box 45; the left ends of the stop ratchet wheels 47 are provided with mounting plates 46, the mounting plates 46 are fixedly connected with the control knob, the edges of the surfaces of the right ends of the mounting plates 46 are hinged with hinged plates 49, and the other ends of the hinged plates 49 are hinged with the stop pawls 48 respectively.

The extension plate is used for respectively connecting a third fixed arc plate 34 and a fourth fixed arc plate 35, a sixth fixed arc plate 37 and a first fixed arc plate 32 when the diameters of the first one-way fixing ring 3, the second one-way fixing ring 4, the third one-way fixing ring 5 and the fourth one-way fixing ring 6 are adjusted, and the built-in plate 42 is used for respectively connecting the first fixed arc plate 32 and the second fixed arc plate 33, the fourth fixed arc plate 35 and the fifth fixed arc plate 36; since the first one-way fixing ring 3, the second one-way fixing ring 4, the third one-way fixing ring 5 and the fourth one-way fixing ring 6 have the same structure, as shown by the first one-way fixing ring 3, the second one-way fixing ring 4, the third one-way fixing ring 5 and the fourth one-way fixing ring 6, as shown in the sixth figure, the initial state of the first one-way fixing ring 3 is the state with the largest diameter, when the diameter of the first one-way fixing ring 3 needs to be reduced to fix the upper limb or the lower limb of the patient, the diameter of the first one-way fixing ring 3 can be reduced by simultaneously pressing the first fixing arc plate 32, the fourth fixing arc plate 35, the second fixing arc plate 33, the third fixing arc plate 34, the fifth fixing arc plate 36 and the sixth fixing arc plate 37 which are opposite to each other, because the upper limb or the lower limb of the person is not a complete circle, in order that the first fixing ring can better fix the, the first fixed arc plate 32 and the second fixed arc plate 33 can independently move inwards, and the second fixed arc plate 33 and the third fixed arc plate 34 and the fifth fixed arc plate 36 and the sixth fixed arc plate 37 can independently move inwards; when the diameter of the first one-way fixing ring 3 is reduced, the built-in plate 42 moves along with the first one-way fixing ring and can be meshed with the pushing gear 44 through the built-in rack 43 to drive the stopping ratchet wheel 47 to rotate, as shown in fig. eight and fig. nine, the stopping ratchet wheel 47 can be matched with the stopping pawl 48 to drive the pushing gear 44 to rotate in one direction, that is, when the diameter of the first one-way fixing ring 3 is reduced, the pushing gear 44 can only rotate in one direction but cannot rotate in reverse; when the mounting plate 46 is rotated by the control knob, the two stopping pawls 48 are moved laterally by the hinge plate 49 simultaneously out of engagement with the stopping ratchet 47, as shown in fig. eight and nine, so that the push gear 44 can be reversed.

The surface two sides of the first fixed arc plate 32 and the fourth fixed arc plate 35, the surface outer sides of the second fixed arc plate 33 and the third fixed arc plate 34, the surface outer sides of the fifth fixed arc plate 36 and the sixth fixed arc plate 37 are fixedly connected with a slide rail box 39 respectively, each slide rail box 39 is internally and slidably connected with two pushing slide blocks 40 respectively, the outer ends of the pushing slide blocks 40 are fixedly connected with a second return spring 41 respectively, the other ends of the second return springs 41 are fixedly connected with the slide rail box 39, the outer sides of the slide rail boxes 39 are provided with X-shaped intersecting type telescopic frames 86, and four end points of the intersecting type telescopic frames 86 are hinged to the pushing slide blocks 40 respectively.

As shown in fig. six and fig. seven, when the first unidirectional fixed ring 3 contracts, the pushing slider 40 will move along the sliding rail and outwards under the pushing of the scissor type telescopic frame and compress the second return spring 41, when the control knob is rotated, the pushing gear 44 can be reversed, and when the pushing slider 40 can be reset under the supporting of the scissor type telescopic frame under the pushing of the second return spring 41, the first unidirectional fixed ring 3 is expanded again; the equal fixedly connected with spring protection axle in inside of slide rail box 39 promotes the surface of slider 40 and all sets up can with the gliding through-hole of spring protection axial fit, and second reset spring 41 all overlaps on the surface of spring protection axle, and spring protection axle is used for preventing that second reset spring 41 warp when receiving the compression.

The clamping part 85 comprises a first main clamping plate 64, a first auxiliary clamping plate 65, a second main clamping plate 66, a second auxiliary clamping plate 68, a third main clamping plate 67, a third auxiliary clamping plate 69, a fourth main clamping plate 71, a fourth auxiliary clamping plate 70, a fifth main clamping plate 88, a fifth auxiliary clamping plate 72, a sixth main clamping plate 89 and a sixth auxiliary clamping plate 73; the fifth main clamping plate 88 is hinged with the sixth main clamping plate 89, and the fifth auxiliary clamping plate 72 is hinged with the sixth auxiliary clamping plate 73; the first main clamping plate 64, the second main clamping plate 66, the third main clamping plate 67, the fourth main clamping plate 71, the fifth main clamping plate 88 and the sixth main clamping plate 89 are hinged with the corresponding first fixed arc plate 32, the second fixed arc plate 33, the third fixed arc plate 34, the fourth fixed arc plate 35, the fifth fixed arc plate 36 and the sixth fixed arc plate 37 respectively; the second main clamping plate 66, the third main clamping plate 67, the fourth main clamping plate 71, the fifth main clamping plate 88 and the sixth main clamping plate 89 are respectively connected with a second elongated plate 83 in a sliding manner, and the other end of the second elongated plate 83 is respectively fixedly connected with the first auxiliary clamping plate 65, the second auxiliary clamping plate 68, the third auxiliary clamping plate 69, the fourth auxiliary clamping plate 70, the fifth auxiliary clamping plate 72 and the sixth auxiliary clamping plate 73; a first elongated plate 74 is slidably connected to the inside of the first main clamping plate 64, the other end of the first elongated plate 74 is fixedly connected to the first auxiliary elongated plate, an elongated rack 75 is fixedly connected to the upper end surface of the first elongated plate 74, and an elongated gear 76 is engaged with one side of the elongated rack 75; the equal fixedly connected with third protection box 82 in upper end of first main grip block 64, the internal rotation of third protection box 82 is connected with extension worm wheel 77, extension worm wheel 77 with the coaxial rigid coupling of extension gear 76, the meshing of one side of extension worm wheel 77 has extension worm 81, the both ends of extension worm 81 respectively with the rotation of third protection box 82 inner wall is connected, the front end fixedly connected with of extension worm 81 adds long bevel gear 78, the meshing of the upper end of first extension bevel gear 78 has second extension bevel gear 79, the upper end rotation of third protection box 82 is connected with extension knob 80, second extension bevel gear 79 with the coaxial rigid coupling of extension knob 80.

The connection relationship of the first main clamping plate 64, the first auxiliary clamping plate 65, the second main clamping plate 66, the second auxiliary clamping plate 68, the third main clamping plate 67, the third auxiliary clamping plate 69, the fourth main clamping plate 71, the fourth auxiliary clamping plate 70, the fifth main clamping plate 88, the fifth auxiliary clamping plate 72, the sixth main clamping plate 89 and the sixth auxiliary clamping plate 73 can more conveniently clamp and fix the upper limbs and the lower limbs of a patient, the fitting degree with the limbs of the patient is improved, the lengthening knob 80 can be rotated when the lengths of the first fixing part and the second fixing part are adjusted, the lengthening worm 81 is rotated under the transmission of the first lengthening bevel gear 78 and the second lengthening bevel gear 79 when the lengthening knob 80 is rotated, the lengthening gear 76 can be driven to rotate while the lengthening gear 77 is rotated, so that the first lengthening plate 74 moves in the first main clamping plate 64, meanwhile, the second elongated plate 83 can be driven to move, so that the length of the first fixing portion and the length of the second fixing portion can be adjusted.

A hanging belt box 18 is fixedly connected to the upper end of the first fixing arc plate 32 in the first one-way fixing ring 3, coil springs 20 are arranged at the front end and the rear end of the interior of the hanging belt box 18, a belt shaft 21 is arranged between the two coil springs 20, the inner ends of the two coil springs 20 are fixedly connected with the belt shaft 21, and the outer ends of the two coil springs 20 are fixedly connected with the inner wall of the hanging belt box 18; the hanging belt 19 is wound on the surface of the belt shaft 21, the inner end of the hanging belt 19 is fixedly connected with the belt shaft 21, the upper end of the hanging belt box 18 is provided with an opening, the outer end of the hanging belt 19 extends to the outer side of the hanging belt box 18 through the opening, and the outer end of the hanging belt 19 is fixedly connected with a blocking bead;

a hanging belt control box 22 is fixedly connected to the front end surface of the hanging belt box 18, a rotating fluted disc 31 is arranged inside the hanging belt control box 22, the front end of the belt shaft 21 penetrates through the hanging belt box 18 and the hanging belt control box 22, the front end of the belt shaft 21 is fixedly connected with the rotating fluted disc 31, the edge of the rotating fluted disc 31 is engaged with a plurality of displacement fixing tooth blocks 30 which can synchronously move outwards, the displacement fixing tooth blocks 30 are slidably connected with the inner wall of the hanging belt control box 22, the outer ends of the displacement fixing tooth blocks 30 are fixedly connected with a linkage rack 29, one side of the linkage rack 29 is engaged with a transmission gear 28, the transmission gear 28 is rotatably connected with the inner wall of the hanging belt control box 22, the front end of the transmission gear 28 is coaxially and fixedly connected with a linkage worm wheel 27, one side of the linkage worm gear 27 is engaged with a worm transmission 26, and the transmission worm 26 is rotatably connected with the inner wall of the hanging belt control box 22, the inner surfaces of the transmission worms 26 are all fixedly linked with conical gears 25; the inside front side of hanging area control box 22 is connected with circular cone control fluted disc 24 in a rotating manner, circular cone control fluted disc 24 all with interlock conical gear 25 meshes, the front end of hanging area control box 22 is provided with unblock knob 23, unblock knob 23 with the coaxial rigid coupling of circular cone control fluted disc 24 can constitute when rotating unblock knob 23 the synchronous structure that outwards moved of displacement fixed tooth piece 30.

The hanging belt control box 22 is used for controlling whether the hanging belt 19 can be pulled out or not, when the hanging belt 19 needs to be pulled out, the conical control fluted disc 24 can be driven to rotate by rotating the unlocking knob 23, the transmission worm 26 is driven to rotate by the engagement of the conical control fluted disc 24 and the linkage conical gear 25, the transmission worm 26 can be driven to rotate by the engagement with the linkage worm wheel 27 when rotating, the transmission gear 28 can be driven to rotate by the engagement of the transmission gear 28 and the linkage rack 29, the displacement fixed fluted block 30 is driven to move and disengage from the rotating fluted disc 31 by the engagement of the transmission gear 28 and the linkage rack 29, the belt shaft 21 recovers to rotate, the hanging belt 19 can be pulled out outwards, the coil spring 20 contracts when the hanging belt 19 is pulled out, the reverse unlocking knob 23 can enable the displacement fixed fluted block 30 to be engaged with the rotating fluted disc 31 again, the hanging belt 19 cannot be retracted into the hanging belt box 18, and the unlocking, the belt shaft 21 can retract the hanging belt 19 into the hanging belt box 18 by reversing under the action of the coil spring 20, the blocking balls are used for preventing the hanging belt 19 from being completely retracted into the hanging belt box 18 and cannot be pulled out again, the hanging belt 19 is used for stabilizing upper limbs or hanging lower limbs, the hanging belt 19 can be automatically retracted into the hanging belt box 18 by rotating the unlocking knob 23 when the hanging belt is not used, and the hanging belt is simple and convenient.

When the invention is used, the unlocking knob 84 can be rotated to disengage the first hook 52 from the second hook 53, then the first fixing part and the second fixing part can be opened, then the upper limb or the lower limb of a patient is placed in the first fixing part and the second fixing part, the pressing plate 58 is pressed to engage and fix the first hook 52 and the second hook 53 with the first fixing part and the second fixing part, then the first fixing arc plate 32 and the fourth fixing arc plate 35 which are opposite to each other are pressed, the second fixing arc plate 33 and the third fixing arc plate 34 as well as the fifth fixing arc plate 36 and the sixth fixing arc plate 37 are pressed, so that the diameters of the first one-way fixing ring 3, the second fixing ring, the third fixing ring and the fourth fixing ring can be reduced, and the upper limb or the lower limb of the patient is clamped and fixed through the clamping part 85, because the length of the clamping part can be adjusted, and the clamping part is respectively connected with the first fixing ring and the second fixing ring, The third fixing ring and the fourth fixing ring are hinged, so that the diameters of the first fixing ring, the second fixing ring, the third fixing ring and the fourth fixing ring can be adjusted according to different parts of limbs, the clamping parts 85 can be fully attached to the limbs, when the hanging belt 19 needs to be pulled out, the unlocking knob 23 can be rotated to drive the displacement fixing tooth block 30 to move to be disengaged from the rotating tooth disc 31, the belt shaft 21 is rotated again, the hanging belt 19 can be pulled out outwards, the coil spring 20 contracts when the hanging belt 19 is pulled out outwards, the unlocking knob 23 can be reversed to enable the displacement fixing tooth block 30 to be engaged with the rotating tooth disc 31 again, the hanging belt 19 cannot be retracted into the hanging belt box 18, the unlocking knob 23 is rotated again to enable the displacement fixing tooth block 30 to be disengaged from the rotating tooth disc 31, the belt shaft 21 can be reversed to enable the hanging belt 19 to be retracted into the hanging belt box 18 under the action of the coil spring 20, the blocking beads are used for preventing the hanging belt 19 from being completely retracted into the hanging belt box 18 and cannot be pulled out again, the hanging belt 19 is used for stabilizing upper limbs or hanging lower limbs, the hanging belt 19 can be automatically retracted into the hanging belt box 18 by rotating the unlocking knob 23 when the hanging belt is not used, and the hanging belt is simple and convenient.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.