阅读说明：本技术 一种小儿外科组合式防护支架 (Combined protective bracket for pediatric surgery ) 是由 李苗 于 2021-08-28 设计创作，主要内容包括：一种小儿外科组合式防护支架,本发明涉及儿科医疗辅助设备技术领域,它包含基座、挡杆、连接组件、调节组件,其中连接组件固定设置在基座上,且基座通过连接组件连接设置,挡杆设置在基座内,调节组件设置在基座的内部一端；其设置可装卸连接结构,并将连接结构设置为可进行锁止的旋转结构,进而方便对连接结构调整不同的角度,方便将单元式的装置进行拼接,进而方便围成需要的形状,其设置可调整的挡杆,进而能够根据需求进行挡杆之间的疏密调整,方便不同人群的适用性。(The invention relates to a combined protective bracket for pediatric surgery, which relates to the technical field of pediatric medical auxiliary equipment and comprises a base, a stop lever, a connecting assembly and an adjusting assembly, wherein the connecting assembly is fixedly arranged on the base; it sets up detachable connection structure to set up connection structure into the revolution mechanic that can carry out the locking, and then the convenience is spliced the device of unit formula to the different angle of connection structure adjustment, and then conveniently encloses into the shape that needs, and it sets up adjustable pin, and then can carry out the density adjustment between the pin according to the demand, makes things convenient for different crowds' suitability.)

1. A combined protective bracket for pediatric surgery is characterized in that: the adjustable support comprises a base (1), a stop lever (2), a connecting assembly (3) and an adjusting assembly (4), wherein the connecting assembly (3) is fixedly arranged on the base (1), the base (1) is connected and arranged through the connecting assembly (3), the stop lever (2) is arranged in the base (1), and the adjusting assembly (4) is arranged at one end of the inside of the base (1);

the connecting assembly (3) comprises a rotary seat (3-1), a rotating shaft (3-2), a clamping groove (3-11) and a clamping block (3-12), wherein the rotary seat (3-1) is arranged on the right side of the base (1), the rotating shaft (3-2) is rotatably arranged on the inner side walls of the upper end and the lower end of the rotary seat (3-1) through bearings, the upper end and the lower end of the right side wall of the base (1) are symmetrically provided with mounting grooves (3-3), the upper end and the lower end of the rotary seat (3-1) are respectively arranged in the mounting grooves (3-3) on the upper side and the lower side, the movable end of the rotating shaft (3-2) is fixedly arranged on the inner side wall of the mounting groove (3-3), a worm wheel (3-4) is fixedly arranged on the upper surface of the rotary seat (3-1), and the worm wheel (3-4) and the rotating shaft (3-2) are coaxially arranged, an axle seat (3-5) is fixedly arranged on the upper side wall of the base (1), a worm (3-6) is connected to the axle seat (3-5) in a penetrating and screwing mode through a bearing, the worm (3-6) is meshed with the left side edge of the worm wheel (3-4), a connecting column (3-7) is fixedly arranged at the front end of the worm (3-6), a rotating handle (3-8) is movably sleeved on the connecting column (3-7), a waist-shaped hole (3-9) is formed in the connecting column (3-7), a limiting rod (3-10) is fixedly arranged on the rotating handle (3-8), and the limiting rod (3-10) is movably arranged in the waist-shaped hole (3-9) in a penetrating mode; a clamping groove (3-11) is fixedly arranged on the right side wall of the rotary seat (3-1), the upper end and the lower end of the clamping groove (3-11) are both opened, a clamping block (3-12) is fixedly arranged on the left side wall of the base (1), and the clamping block (3-12) is movably clamped in the clamping groove (3-11) on the left adjacent base (1);

the adjusting component (4) comprises a containing box (4-1), a transmission rod (4-3) and a threaded rod (4-4), wherein the containing box (4-1) is fixedly arranged on the right inner side wall of the base (1), the left end of the containing box (4-1) is opened, sliding grooves (4-2) are fixedly arranged on the upper inner side wall and the lower inner side wall of the base (1), the right ends of the sliding grooves (4-2) on the upper side and the lower side are respectively arranged on the upper side and the lower side of the containing box (4-1), the upper end and the lower end of the baffle rod (2) are respectively arranged in the sliding grooves (4-2) on the upper side and the lower side in a sliding manner, the transmission rod (4-3) is rotatably arranged on the right side plate of the base (1) through a bearing, and the left end of the transmission rod (4-3) is arranged on the left side of the containing box (4-1) after passing through the containing box (4-1), a threaded rod (4-4) is fixedly arranged at the left end of the transmission rod (4-3), the left end of the threaded rod (4-4) is rotatably arranged on the left inner side wall of the base (1) through a bearing, a threaded sleeve (4-5) is fixedly arranged on the stop lever (2) in a penetrating manner, the threaded sleeve (4-5) is rotatably connected onto the threaded rod (4-4) through threads, the stop lever (2) at the right side of the threaded rod (4-4) is movably sleeved on the transmission rod (4-3) through the threaded sleeve (4-5), and the stop lever (2) on the transmission rod (4-3) is movably arranged in the storage box (4-1).

2. The pediatric surgical combination shield brace of claim 1, wherein: the right side wall of each stop lever (2) is fixedly provided with a stop curtain (5), the right end of each stop curtain (5) is fixedly arranged on the left side wall of the adjacent stop lever (2) on the right side, when the two stop levers (2) are opened, the stop curtains (5) block overlarge gaps, and when the threaded rods (4-4) drive the stop levers (2) to move, and the distance between the adjacent stop levers (2) is the largest, the next stop lever (2) in the storage box (4-1) is pulled out through the stop curtains (5), and the threaded sleeves (4-5) on the stop levers (2) are screwed on the threaded rods (4-4).

3. The pediatric surgical combination shield brace of claim 1, wherein: the transmission rod (4-3) is sleeved with and fixed with a taper sleeve (6), the left end of the taper sleeve (6) is fixed at the right end of the threaded rod (4-4), the outer diameter of the left end of the taper sleeve (6) is the same as the diameter of the threaded rod (4-4), the right end of the taper sleeve (6) extends into the storage box (4-1), and the outer diameter of the right end of the taper sleeve (6) is the same as the diameter of the transmission rod (4-3).

4. The pediatric surgical combination shield brace of claim 1, wherein: the guide rod (7) is fixedly arranged on the base (1), a guide ring (8) is movably sleeved on the guide rod (7), a spring (9) is fixedly arranged at the lower end of the guide rod (7), the upper end of the spring (9) is fixedly arranged on the guide ring (8), a baffle (10) is fixedly arranged on the guide ring (8), the baffle (10) is arranged at the right side of the transmission rod (4-3) in a covering manner, guide holes (11) are formed in the clamping grooves (3-11) in a penetrating manner in the front and back direction, the baffle (10) is movably arranged on the clamping grooves (3-11) in a penetrating manner through the guide holes (11), the baffle (10) is movably abutted against the lower ends of the clamping blocks (3-12), after the clamping blocks (3-12) are inserted into the clamping grooves (3-11), the clamping blocks (3-12) press the baffle (10) downwards, and then the guide ring (8) moves downwards on the guide rod (7), the spring (9) is pressed tightly, the baffle (10) moves downwards, and the end of the transmission rod (4-3) exposed out of the base (1) is shielded.

5. The pediatric surgical combination shield brace of claim 1, wherein: the limiting rod (3-10) is fixedly provided with a tension spring (12), the tension spring (12) is arranged in the waist-shaped hole (3-9), the rear end of the tension spring (12) is fixedly arranged on the rear inner side wall of the waist-shaped hole (3-9), when the rotating handle (3-8) is loosened, the tension spring (12) pulls the rotating handle (3-8) backwards, and then the rotating handle (3-8) is abutted to the upper surface of the base (1).

6. The working principle of the combined protective bracket for pediatric surgery as claimed in claim 1, wherein: the protective device is characterized in that a plurality of bases (1) are connected end to form a closed enclosure, so that the protective device can protect children, the movement space of the children is limited in the enclosed closed space, the clamping blocks (3-12) on the bases (1) are inserted into the clamping grooves (3-11) on the other base (1) to realize the end to end connection of the two bases (1), when the bending angle between the two adjacent bases (1) is adjusted, the rotating handle (3-8) is pulled forwards to be separated from the upper surface of the base (1), the connecting column (3-7) is controlled to rotate through the rotating handle (3-8), the worm (3-6) drives the worm wheel (3-4) to rotate, the rotating base (3-1) rotates by taking the rotating shaft (3-2) as a support, and the clamping grooves (3-11) on the rotating base (3-1) change the angle, so that the angles of the adjacent bases (1) are changed; the density of the stop levers (2) in the base (1) is adjusted, the transmission rod (4-3) exposed on the right side of the base (1) is rotated, the threaded rod (4-4) is further driven to rotate, the threaded rod (4-4) drives the stop lever (2) sliding in the sliding groove (4-2) to move through the threaded sleeve (4-5), the stop levers (2) arranged on the threaded rod (4-4) move synchronously, the stop levers (2) in the storage box (4-1) slide out according to the space requirement between adjacent stop levers (2), and the threaded sleeve (4-5) on the stop lever (2) is sleeved on the threaded rod (4-4), so that the stop lever (2) can be driven to move.

Technical Field

The invention relates to the technical field of pediatric medical auxiliary equipment, in particular to a combined protective bracket for pediatric surgery.

Background

In the postoperative rehabilitation stage of the treatment of the pin ear shell, the mobility of the children becomes a main factor for preventing the wound from being rapidly recovered, and the mobility instinct of the children cannot bind the patient, so that in the conventional rehabilitation stage, the children can retreat from the conventional rehabilitation stage and then use the guardrails to enclose a limited space, further the movable range of the patient is reduced, and further the recovery of the patient is accelerated by limiting the movable space and reducing the mobility; guardrail among the prior art is fixed pattern mostly, and its applicable environment, and the space size that can enclose all have the restriction of hitting the stroke, to this problem, improves current guardrail formula protection frame.

Disclosure of Invention

The invention aims to overcome the defects and shortcomings of the prior art, and provides a combined protective bracket for pediatric surgery, which is provided with a detachable connecting structure, and the connecting structure is provided with a rotating structure capable of being locked, so that different angles of the connecting structure can be conveniently adjusted, unit devices can be conveniently spliced to be conveniently enclosed into a required shape, and the combined protective bracket is provided with adjustable stop levers, so that the density among the stop levers can be adjusted according to requirements, and the applicability of different people is facilitated.

In order to achieve the purpose, the invention adopts the following technical scheme:

the device comprises a base, a stop lever, a connecting assembly and an adjusting assembly, wherein the connecting assembly is fixedly arranged on the base, the base is connected and arranged through the connecting assembly, the stop lever is arranged in the base, and the adjusting assembly is arranged at one end in the base;

the connecting component comprises a rotary seat, a rotating shaft, a clamping groove and a clamping block, wherein the rotary seat is arranged on the right side of the base, the rotating shaft is rotatably arranged on the inner side walls of the upper end and the lower end of the rotary seat through bearings, mounting grooves are symmetrically formed in the upper end and the lower end of the right side wall of the base, the upper end and the lower end of the rotary seat are respectively arranged in the mounting grooves on the upper side and the lower side, the movable end of the rotating shaft is fixedly arranged on the inner side wall of the mounting groove, a worm wheel is fixedly arranged on the upper surface of the rotating seat, the worm wheel and the rotating shaft are coaxially arranged, the shaft seat is fixedly arranged on the upper side wall of the base, the shaft seat is connected with a worm in a penetrating and rotating mode through a bearing, the worm is meshed with the left side edge of the worm wheel, a connecting column is fixedly arranged at the front end of the worm, a rotating handle is movably sleeved on the connecting column, a kidney-shaped hole is formed in the connecting column, a limiting rod is fixedly arranged on the rotating handle, and the limiting rod is movably arranged in the kidney-shaped hole in a penetrating mode; a clamping groove is fixedly arranged on the right side wall of the rotary seat, the upper end and the lower end of the clamping groove are both opened, a clamping block is fixedly arranged on the left side wall of the base, and the clamping block is movably clamped in the clamping groove on the adjacent base on the left side;

the adjusting component comprises a containing box, a transmission rod and a threaded rod, wherein the containing box is fixedly arranged on the right inner side wall of the base, the left end of the containing box is provided with an opening, the upper inner side wall and the lower inner side wall of the base are both fixedly provided with a chute, the right ends of the sliding grooves on the upper side and the lower side are respectively arranged on the upper side and the lower side of the containing box, the upper end and the lower end of the stop lever are respectively arranged in the sliding grooves on the upper side and the lower side in a sliding way, the right side plate of the base is rotatably provided with a transmission rod through a bearing, the left end of the transmission rod passes through the containing box and is arranged at the left side of the containing box, a threaded rod is fixedly arranged at the left end of the transmission rod, and the left end of the threaded rod is arranged on the left inner side wall of the base in a rotating mode through the bearing, the stop lever is fixedly provided with the threaded sleeve in a penetrating mode, the threaded sleeve is connected on the threaded rod in a rotating mode through threads, the stop lever on the right side of the threaded rod is movably sleeved on the transmission rod through the threaded sleeve, and the stop lever on the transmission rod is movably arranged in the containing box.

Preferably, the right side wall of pin on the fixed check curtain that is provided with, and the right-hand member of check curtain is fixed to be set up on the left side wall of the adjacent pin in right side, when opening between two pins, the check curtain blocks too big gap, and when the threaded rod drove the pin and removes, when the distance between the adjacent pin reached the biggest, pull out the next pin in the containing box through the check curtain to make the thread bush on this pin revolve on the threaded rod.

Preferably, the transmission rod on the cover establish and be fixed with the taper sleeve, the left end of taper sleeve is fixed to be set up at the right-hand member of threaded rod, and the left end external diameter of taper sleeve and the diameter of threaded rod set up the same, the right-hand member of taper sleeve stretches to be established in the containing box, and the right-hand member external diameter of taper sleeve and the diameter of transmission rod set up the same.

Preferably, the base on the fixed guide bar that is provided with, the movable sleeve is equipped with the guide ring on the guide bar, the fixed spring that is provided with of lower extreme of guide bar, and the upper end of spring is fixed to be set up on the guide ring, the fixed baffle that is provided with on the guide ring, the baffle covers and sets up on the right-hand of transfer line, link up around on the draw-in groove and seted up the guiding hole, the baffle passes through the guiding hole activity and wears to put on the draw-in groove, and the baffle activity is supported and is established the lower extreme at the fixture block, insert the fixture block draw-in groove after, the fixture block pushes down the baffle, and then the guide ring downstream on the guide bar, the spring compresses tightly, the baffle moves down, the realization is sheltered from to the end that the transfer line exposes the base.

Preferably, the limiting rod is fixedly provided with a tension spring, the tension spring is arranged in the waist-shaped hole, the rear end of the tension spring is fixedly arranged on the rear inner side wall of the waist-shaped hole, and when the rotating handle is loosened, the tension spring pulls the rotating handle backwards so as to prop the rotating handle against the upper surface of the base.

The working principle of the invention is as follows: the bases are connected end to form a closed enclosure, so that the children are protected, the activity space of the children is limited in the enclosed closed space, the clamping block on one base is inserted into the clamping groove on the other base, the two bases are connected end to end, when the bending angle between two adjacent bases is adjusted, the rotating handle is pulled forwards to be separated from the upper surface of the base, the connecting column is controlled to rotate through the rotating handle, the worm drives the worm wheel to rotate, the rotating seat rotates by taking the rotating shaft as a support, the angle of the clamping groove on the rotating seat is changed, and the angle of the adjacent bases is changed; the density of pin in the adjustment base, rotatory dew is established at the transfer line on base right side, and then drives the threaded rod rotatory, and then the threaded rod passes through the pin of threaded sleeve drive slip in the spout and removes, and arranges pin synchronous motion on the threaded rod in, according to the interval demand between the adjacent pin, with the pin roll-off in the containing box, and establish the threaded sleeve cover on the pin on the threaded rod, can drive the pin and remove.

Compared with the prior art, the invention has the beneficial effects that:

1. the base is provided with a rotating seat through a rotating shaft, a clamping groove is formed in the rotating seat, a clamping block is arranged on the other side of the base, the bases are conveniently connected end to end, a closed space is further enclosed, the rotating seat is provided with a worm which can be controlled through a worm wheel, the worm is provided with a rotating handle through a connecting rod, the angle of the worm and the rotating seat can be conveniently controlled, the rotating handle can abut against the upper surface of the base, and the rotating seat is locked;

2. set up the containing box on the base, and then conveniently do accomodating of individual pin, through the threaded rod and the thread bush cooperation on the pin, and then realize the removal of pin, the interval of control cover pin on the threaded rod can realize adjusting the density between the pin according to the suitable age crowd of difference.

Description of the drawings:

fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a sectional view a-a in fig. 1.

Fig. 4 is a schematic view of the internal structure of the storage box of the present invention.

Fig. 5 is an enlarged view of a portion B in fig. 2.

Fig. 6 is a schematic view showing the structure of the blocking lever according to the present invention.

Fig. 7 is a schematic structural view of a card slot in the present invention.

Fig. 8 is a schematic structural view of the latch according to the present invention.

Description of reference numerals:

the device comprises a base 1, a stop lever 2, a connecting assembly 3, a rotary seat 3-1, a rotating shaft 3-2, a mounting groove 3-3, a worm wheel 3-4, a shaft seat 3-5, a worm 3-6, a connecting column 3-7, a rotary handle 3-8, a kidney-shaped hole 3-9, a limiting rod 3-10, a clamping groove 3-11, a clamping block 3-12, an adjusting assembly 4, an accommodating box 4-1, a sliding groove 4-2, a transmission rod 4-3, a threaded rod 4-4, a threaded sleeve 4-5, a stop curtain 5, a taper sleeve 6, a guide rod 7, a guide ring 8, a spring 9, a baffle 10, a guide hole 11 and a tension spring 12.

The specific implementation mode is as follows:

the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings, and the preferred embodiments in the description are only examples, and all other embodiments obtained by those skilled in the art without any inventive work belong to the protection scope of the present invention.

As shown in fig. 1 to 8, the following technical solutions are adopted in the present embodiment:

the device comprises a base 1, a stop lever 2, a connecting assembly 3 and an adjusting assembly 4, wherein the connecting assembly 3 is fixedly arranged on the base 1, the base 1 is connected and arranged through the connecting assembly 3, the stop lever 2 is arranged in the base 1, and the adjusting assembly 4 is arranged at one end in the base 1;

the connecting component 3 comprises a rotary seat 3-1, a rotating shaft 3-2, a clamping groove 3-11 and a clamping block 3-12, wherein the rotary seat 3-1 is arranged on the right side of the base 1, the rotating shaft 3-2 is rotatably arranged on the inner side walls of the upper end and the lower end of the rotary seat 3-1 through bearings, mounting grooves 3-3 are symmetrically formed in the upper end and the lower end of the right side wall of the base 1, the upper end and the lower end of the rotary seat 3-1 are respectively arranged in the mounting grooves 3-3 on the upper side and the lower side, the movable end of the rotating shaft 3-2 is riveted on the inner side wall of the mounting groove 3-3, a worm wheel 3-4 is riveted on the upper surface of the rotary seat 3-1, the worm wheel 3-4 and the rotating shaft 3-2 are coaxially arranged, a shaft seat 3-5 is riveted on the upper side wall of the base 1, and a worm 3-6 is screwed on the shaft seat 3-5 through a bearing, the worm 3-6 is meshed with the left side edge of the worm wheel 3-4, the front end of the worm 3-6 is riveted with a connecting column 3-7, a rotating handle 3-8 is movably sleeved on the connecting column 3-7, a kidney-shaped hole 3-9 is formed in the connecting column 3-7, a limiting rod 3-10 is riveted on the rotating handle 3-8, and the limiting rod 3-10 is movably arranged in the kidney-shaped hole 3-9 in a penetrating manner; a clamping groove 3-11 is riveted on the right side wall of the rotary seat 3-1, the upper end and the lower end of the clamping groove 3-11 are both provided with openings, a clamping block 3-12 is riveted on the left side wall of the base 1, and the clamping block 3-12 is movably clamped in the clamping groove 3-11 on the left adjacent base 1;

the adjusting component 4 comprises an accommodating box 4-1, a transmission rod 4-3 and a threaded rod 4-4, wherein the accommodating box 4-1 is riveted on the right inner side wall of the base 1, the left end of the accommodating box 4-1 is opened, the upper inner side wall and the lower inner side wall of the base 1 are both riveted with a chute 4-2, the right ends of the chutes 4-2 on the upper side and the lower side are respectively arranged on the upper side and the lower side of the accommodating box 4-1, the upper end and the lower end of the stop lever 2 are respectively arranged in the chutes 4-2 on the upper side and the lower side in a sliding manner, the transmission rod 4-3 is screwed on the right side plate of the base 1 through a bearing, the left end of the transmission rod 4-3 is arranged on the left side of the accommodating box 4-1 after passing through the accommodating box 4-1, the left end of the transmission rod 4-3 is riveted with the threaded rod 4-4, and the left end of the threaded rod 4-4 is screwed on the left side wall of the inner side wall of the base 1 through the bearing, a threaded sleeve 4-5 is fixedly arranged on the stop lever 2 in a penetrating way, the threaded sleeve 4-5 is screwed on and arranged on the threaded rod 4-4 through threads, and the threaded rod 4-4 is arranged on the right side;

the right side wall of each stop lever 2 is riveted with a stop curtain 5, the right end of each stop curtain 5 is riveted on the left side wall of the adjacent stop lever 2 on the right side, when the two stop levers 2 are opened, the stop curtain 5 blocks an overlarge gap, and when the threaded rod 4-4 drives the stop levers 2 to move, and the distance between the adjacent stop levers 2 reaches the maximum, the next stop lever 2 in the containing box 4-1 is pulled out through the stop curtain 5, and the threaded sleeve 4-5 on the stop lever 2 is screwed on the threaded rod 4-4;

a taper sleeve 6 is fixedly sleeved on the transmission rod 4-3, the left end of the taper sleeve 6 is riveted at the right end of the threaded rod 4-4, the outer diameter of the left end of the taper sleeve 6 is the same as the diameter of the threaded rod 4-4, the right end of the taper sleeve 6 extends into the storage box 4-1, and the outer diameter of the right end of the taper sleeve 6 is the same as the diameter of the transmission rod 4-3;

the base 1 is riveted with a guide rod 7, a guide ring 8 is movably sleeved on the guide rod 7, a spring 9 is riveted at the lower end of the guide rod 7, the upper end of the spring 9 is riveted on the guide ring 8, a baffle plate 10 is riveted on the guide ring 8, the baffle plate 10 covers the right side of a transmission rod 4-3, guide holes 11 are formed in front and back of a clamping groove 3-11 in a penetrating manner, the baffle plate 10 is movably arranged on the clamping groove 3-11 through the guide holes 11 in a penetrating manner, the baffle plate 10 movably abuts against the lower end of a clamping block 3-12, after the clamping block 3-12 is inserted into the clamping groove 3-11, the clamping block 3-12 presses the baffle plate 10 downwards, the guide ring 8 moves downwards on the guide rod 7, the spring 9 is pressed, and the baffle plate 10 moves downwards, so that the end of the transmission rod 4-3 exposed out of the base 1 is shielded;

the limiting rod 3-10 is riveted with a tension spring 12, the tension spring 12 is arranged in the waist-shaped hole 3-9, the rear end of the tension spring 12 is riveted on the rear inner side wall of the waist-shaped hole 3-9, when the rotary handle 3-8 is loosened, the tension spring 12 pulls the rotary handle 3-8 backwards, and then the rotary handle 3-8 is abutted to the upper surface of the base 1.

The working principle of the specific embodiment is as follows: the bases 1 are connected end to form a closed enclosure, so that the children are protected, the movement space of the children is limited in the enclosed closed space, the clamping blocks 3-12 on the bases 1 are inserted into the clamping grooves 3-11 on the other base 1 to realize the end to end connection of the two bases 1, when the bending angle between the two adjacent bases 1 is adjusted, the rotating handle 3-8 is pulled forwards to be separated from the upper surface of the base 1, the connecting column 3-7 is controlled to rotate through the rotating handle 3-8, the worm 3-6 drives the worm wheel 3-4 to rotate, the rotating base 3-1 rotates by taking the rotating shaft 3-2 as a support, the clamping grooves 3-11 on the rotating base 3-1 change the angle, and the angle between the adjacent bases 1 is changed; the density of the stop levers 2 in the base 1 is adjusted, the transmission rods 4-3 exposed on the right side of the base 1 are rotated to drive the threaded rods 4-4 to rotate, the threaded rods 4-4 drive the stop levers 2 sliding in the sliding grooves 4-2 to move through the threaded sleeves 4-5, the stop levers 2 arranged on the threaded rods 4-4 synchronously move, the stop levers 2 in the containing boxes 4-1 slide out according to the space requirement between the adjacent stop levers 2, and the threaded sleeves 4-5 on the stop levers 2 are sleeved on the threaded rods 4-4 to drive the stop levers 2 to move.

After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:

1. the base 1 is provided with a rotating seat 3-1 through a rotating shaft 3-2, a clamping groove 3-11 is further formed in the rotating seat 3-1, a clamping block 3-12 is arranged on the other side of the base 1, the bases 1 are conveniently connected end to end, a closed space is further enclosed, a worm 3-6 which can be controlled through a worm wheel 3-4 is arranged on the rotating seat 3-1, a rotating handle 3-8 is arranged on the worm 3-6 through a connecting rod, the worm 3-6 and the rotating seat 3-1 can be conveniently controlled to change angles, and the rotating handle 3-8 can abut against the upper surface of the base 1 to lock the rotating seat 3-1;

2. the base 1 is provided with the storage box 4-1, the stop levers 2 can be conveniently stored, the threaded rods 4-4 are matched with the threaded sleeves 4-5 on the stop levers 2, the stop levers 2 can be moved, the distance between the stop levers 2 sleeved on the threaded rods 4-4 is controlled, and therefore the purpose that the density between the stop levers 2 can be adjusted according to different age-adapted people can be achieved.

It will be appreciated by those skilled in the art that modifications and equivalents may be made to the embodiments described above, and that various modifications, equivalents, improvements and the like may be made without departing from the spirit and scope of the invention.