阅读说明：本技术 一种用于心内科临床护理的可调节式垫靠装置 (Adjustable cushion leaning device for clinical nursing of cardiology department ) 是由 杜其里 于 2021-08-09 设计创作，主要内容包括：本发明公开了一种用于心内科临床护理的可调节式垫靠装置,涉及医疗护理技术领域,解决了目前使用的垫靠装置主要通过充气的等方式进行填充升高,不具备病患和医护人员双重控制的便利结构的问题。一种用于心内科临床护理的可调节式垫靠装置,包括主框体,所述主框体的主体中间为空心结构,主框体的顶部两侧固定设置有两组导轨；滑动座,所述滑动座的底部两侧固定设置有滑块,滑动座滑动设置于主框体的顶部,通过设置有控制装置为垫靠装置提供了调节功能,从动轴通过齿轮带动侧控制轴旋转,侧控制轴通过锥齿轮带动蜗杆旋转,蜗杆带动连接轴外侧蜗轮旋转,使背板的角度进行调整,进而实现背板的角度调节,以便病患进行护理。(The invention discloses an adjustable cushion device for clinical nursing of cardiology department, relates to the technical field of medical nursing, and solves the problem that the existing cushion device is filled and lifted mainly in modes of inflation and the like and does not have a convenient structure for double control of patients and medical staff. An adjustable cushion device for clinical nursing of cardiology department comprises a main frame body, wherein the middle of the main body of the main frame body is of a hollow structure, and two groups of guide rails are fixedly arranged on two sides of the top of the main frame body; the sliding seat, the fixed slider that is provided with in bottom both sides of sliding seat, the sliding seat slides and sets up in the top of main frame body, leans on the device to provide regulatory function for filling up through being provided with controlling means, and it is rotatory that the driven shaft passes through the gear and drives the side control axle, and it is rotatory that the side control axle passes through bevel gear drive worm, and the worm drives the rotation of connecting axle outside worm wheel, makes the angle of backplate adjust, and then realizes the angle modulation of backplate to the disease is nursed.)

1. An adjustable is filled up and is leaned on device for intracardiac branch of academic or vocational study clinical care, its characterized in that includes:

the device comprises a main frame body (1), wherein the middle of the main body of the main frame body (1) is of a hollow structure, and two groups of guide rails are fixedly arranged on two sides of the top of the main frame body (1);

the sliding seat (2) is fixedly provided with sliding blocks on two sides of the bottom of the sliding seat (2), and the sliding seat (2) is arranged on the top of the main frame body (1) in a sliding manner;

the connecting device comprises a back plate (4), wherein a connecting shaft (3) is fixedly arranged at the bottom of the back plate (4), and the connecting shaft (3) is rotatably arranged at the rear side of the sliding seat (2).

2. The adjustable cushion device for clinical care of cardiology department according to claim 1, wherein the sliding seat (2) further comprises:

the front end of the sliding seat (2) is rotatably provided with a leg plate (201) through hinge connection, two groups of shaft brackets (202) are rotatably arranged at two ends of the front side of the leg plate (201), and the bottom of each shaft bracket (202) is rotatably provided with an L-shaped plate (203);

elastic bands (204) are arranged at the tops of the sliding seats (2) and the tops of the positions adjacent to the leg plates (201) and the back plate (4); a control device (5) is fixedly arranged on one side of the bottom of the sliding seat (2).

3. The adjustable cushion device for clinical care of cardiology department according to claim 1, wherein the sliding seat (2) further comprises:

the bottom of the sliding seat (2) is fixedly provided with a wedge block (205); the top of the front side of the main frame body (1) is arranged to be an inclined plane structure;

the bottom groove (206) is formed in the middle of the bottom of the sliding seat (2), and a panel (207) is fixedly arranged in the bottom groove (206).

4. The adjustable cushion device for clinical care of cardiology department according to claim 1, wherein the sliding seat (2) further comprises:

the rear frame (210) is fixedly arranged at the bottom of the rear side of the sliding seat (2), a worm (208) is rotatably arranged between the rear frame (210) and the panel (207), and a worm wheel is arranged on the outer side of the connecting shaft (3) and is in transmission connection with the worm (208); one side of the sliding seat (2) is rotatably provided with a side control shaft (209), and the side control shaft (209) is in transmission connection with a bevel gear arranged at the front end of the worm (208); an external part (6) is fixedly arranged at the outer end of the side control shaft (209).

5. The adjustable bolster device for clinical care of cardiology according to claim 1, characterized in that the back plate (4) further includes:

the bottom parts of two sides of the lifting head plate (401) are integrally provided with semi-cylindrical structures with inward arcs, two sides of the back plate (4) are provided with semi-circular grooves, and the semi-cylindrical structures are connected with the semi-circular grooves in a sliding manner;

the lifting strips (402) are arranged in two groups, the two groups of lifting strips (402) are eccentrically arranged on the rear side of the back plate (4) in a sliding mode through guide rails, and the tops of the lifting strips (402) are fixedly connected with the rear side of the lifting head plate (401); the front side of the lifting head plate (401) is of an inclined plane structure, and the top of the rear side of the lifting head plate (401) is fixedly provided with a pillow plate (406).

6. The adjustable bolster device for clinical care of cardiology according to claim 1, characterized in that the back plate (4) further includes:

the number of the connecting rods (403) is two, and the connecting rods (403) are rotatably arranged at the bottom of the lifting bar (402);

the transverse row (404) is arranged on the rear side of the back plate (4) in a transverse sliding mode through a guide rail; the rear side of the back plate (4) is rotatably provided with a lead screw A (405), and the lead screw A (405) is in threaded connection with the transverse row (404).

7. The adjustable cushion device for clinical care in cardiology department according to claim 2, wherein the control device (5) further comprises:

the number of the guide sliding strips (501) is two, and the two groups of guide sliding strips (501) are fixedly arranged at two ends of the outer side of the control device (5);

the reset rod (502) is vertically arranged in the guide sliding strip (501) in a sliding mode, a spring is sleeved on the outer side of the top of the reset rod (502), a cross piece is fixedly arranged at the top end of the reset rod (502), a sliding piece (503) is fixedly arranged at the bottom of the outer side of the cross piece, a rack (504) is fixedly arranged at the bottom of the inner side of the cross piece, and the sliding piece (503) and the rack (504) are arranged on the outer side of the guide sliding strip (501) in a sliding mode; an L-shaped pedal (507) is fixedly arranged at the bottoms of the sliding sheet (503) and the rack (504).

8. The adjustable cushion device for clinical care in cardiology department according to claim 2, wherein the control device (5) further comprises:

the central fluted disc (505), the central fluted disc (505) is rotatably arranged in the middle of the outer side of the control device (5) through a rotating shaft;

the number of the transmission shafts (506) is two, the two transmission shafts (506) are rotatably arranged at two ends of the bottom of the outer side of the control device (5), gears and a central fluted disc (505) are arranged on the outer side of the transmission shafts (506), and inner ratchet gears meshed with the inner sides of the racks (504) are arranged on the outer side of the transmission shafts (506).

9. The adjustable cushion device for clinical care of cardiology department according to claim 4, wherein the external member (6) further comprises:

the outer side center of the external part (6) is provided with a hexagonal groove (601);

the spring-type external part comprises an L-shaped swivel base (602), wherein the bottom of the outer side of the external part (6) is rotatably provided with the L-shaped swivel base (602) through hinged connection, a sliding rod (603) is arranged in the L-shaped swivel base (602) in a sliding manner, and the outer side of the top of the sliding rod (603) is sleeved with a spring and fixedly provided with a hexagonal inserting block (604); the bottom of the sliding rod (603) is fixedly provided with a rocker.

10. The adjustable cushion device for clinical care of cardiology department according to claim 1, wherein the sliding seat (2) is rotatably provided with a driven shaft (7) at the outer side, the driven shaft (7) is in gear transmission connection with the side control shaft (209), and the central fluted disc (505) is engaged with the gears of the driven shaft (7).

Technical Field

The invention relates to the technical field of medical care, in particular to an adjustable cushion device for clinical care of cardiology.

Background

During the intracardiac branch of academic or vocational study nursing, need adjust the gesture of difference with the people body so that the blood circulation provides the guarantee for subsequent maintenance, generally need utilize the seat or the bed that can carry out angle adjustment, stick up the disease upper part of the body through adjustment back angle to the blood circulation.

A height adjustable carrier comprising a seat cushion, a backrest, a headrest and an adjustment device is disclosed in patents identified by, for example, patent No. CN 104228637B. The back cushion is characterized in that an inner cavity is formed in the back, a sliding groove is formed in the middle lower portion of the back, the back cushion is installed in the sliding groove, the back cushion is arranged on the front side of the back, the adjusting device is hinged to the back cushion, the adjusting device is installed in the inner cavity of the back, and the adjusting device can adjust the cushion height of the back cushion. The invention has the advantages of reasonable structural design, lower cost and the like, can realize the purpose of adjusting the height of the back cushion, meets the requirements of different crowds, and can effectively relieve the waist soreness of a driver when being applied to the field of automobiles such as automobile drivers.

For example, patent No. CN105815957A discloses an intelligent reading chair with an inflatable backrest, which includes a reading chair main body, the reading chair main body includes a cushion part and a backrest part, a waist pad and a neck pad are mounted on the backrest part, the waist pad and the neck pad are both inflatable pads, and are respectively slidably mounted on a lower chute and an upper chute of the backrest part, and the height position of the backrest part can be adjusted by using an adjusting structure on the side surfaces of the two chutes; the end parts of the waist cushion and the neck cushion are respectively provided with an inflation tube, and the inflation tubes are connected with an inflation device below the cushion part; one side of backrest portion installs the telescopic support arm, includes the canned paragraph and the extension section of slidable mounting on the canned paragraph that link firmly with backrest portion, the tip movable mounting of extension section has the restriction lever, locking structure is installed with the junction of extension section to the restriction lever. The invention has the characteristics of multifunction and high practicability.

However, the present cushion that uses mainly fills the rising through modes such as inflatable by the device, does not possess the convenient structure of disease and medical personnel dual control, does not possess the function of adjusting according to patient's backplate length, is unfavorable for clinical care, consequently, unsatisfied current demand, to this we have proposed an adjustable cushion that is used for intracardiac branch of academic or vocational study clinical care and lean on the device.

Disclosure of Invention

Problem (A)

The invention aims to provide an adjustable cushion device for clinical nursing of the department of cardiology, and aims to solve the problems that the existing cushion device in the background technology is filled and lifted mainly in modes of inflation and the like, does not have a convenient structure for double control of patients and medical staff, does not have a function of adjusting according to the length of a back plate of a patient, and is not beneficial to clinical nursing.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an adjustable cushion device for clinical nursing of cardiology department comprises a main frame body, wherein the middle of the main body of the main frame body is of a hollow structure, and two groups of guide rails are fixedly arranged on two sides of the top of the main frame body;

the sliding blocks are fixedly arranged on two sides of the bottom of the sliding seat, and the sliding seat is arranged on the top of the main frame in a sliding manner;

the connecting shaft is fixedly arranged at the bottom of the back plate and is rotatably arranged at the rear side of the sliding seat.

Preferably, the sliding seat further comprises:

the front end of the sliding seat is rotatably provided with leg plates through hinges, two ends of the front side of each leg plate are rotatably provided with two groups of shaft brackets, and the bottom of each shaft bracket is rotatably provided with an L-shaped plate;

elastic bands are arranged on the tops of the sliding seats and the tops of the positions, adjacent to the leg plates and the back plate, of the tops of the sliding seats; one side of the bottom of the sliding seat is fixedly provided with a control device.

Preferably, the sliding seat further comprises:

the bottom of the sliding seat is fixedly provided with a wedge block; the top of the front side of the main frame body is provided with an inclined plane structure;

the bottom groove is formed in the middle of the bottom of the sliding seat, and a panel is fixedly arranged in the bottom groove.

Preferably, the sliding seat further comprises:

the rear frame is fixedly arranged at the bottom of the rear side of the sliding seat, a worm is rotatably arranged between the rear frame and the panel, and a worm wheel is arranged on the outer side of the connecting shaft and is in transmission connection with the worm; a side control shaft is rotatably arranged on one side of the sliding seat and is in transmission connection with a bevel gear arranged at the front end of the worm; the outer end of the side control shaft is fixedly provided with an external piece.

Preferably, the back plate further comprises:

the bottom parts of two sides of the lifting head plate are integrally provided with semi-cylindrical structures with inward arcs, two sides of the back plate are provided with semi-circular grooves, and the semi-cylindrical structures are connected with the semi-circular grooves in a sliding manner;

the lifting strips are arranged in two groups, the two groups of lifting strips are eccentrically arranged on the rear side of the back plate in a sliding mode through guide rails, and the tops of the lifting strips are fixedly connected with the rear side of the lifting head plate; the front side of the lifting head plate is of an inclined plane structure, and the top of the rear side of the lifting head plate is fixedly provided with a pillow plate.

Preferably, the back plate further comprises:

the number of the connecting rods is two, and the connecting rods are rotatably arranged at the bottoms of the lifting strips;

the transverse rows are transversely arranged on the rear side of the back plate in a sliding manner through the guide rails; the rear side of the back plate is rotatably provided with a lead screw A which is in threaded connection with the transverse rows.

Preferably, the control device further comprises:

the number of the guide sliding strips is two, and the two groups of guide sliding strips are fixedly arranged at the two ends of the outer side of the control device;

the reset rod is vertically arranged in the guide sliding strip in a sliding mode, a spring is sleeved on the outer side of the top of the reset rod, a cross piece is fixedly arranged at the top end of the reset rod, a sliding piece is fixedly arranged at the bottom of the outer side of the cross piece, a rack is fixedly arranged at the bottom of the inner side of the cross piece, and the sliding piece and the rack are arranged on the outer side of the guide sliding strip in a sliding mode; an L-shaped pedal is fixedly arranged at the bottom of the sliding sheet and the rack.

Preferably, the control device further comprises:

the central fluted disc is rotatably arranged in the middle of the outer side of the control device through a rotating shaft;

the transmission shafts are arranged into two groups, the two groups of transmission shafts are rotatably arranged at two ends of the bottom of the outer side of the control device, gears and a central fluted disc are arranged on the outer sides of the transmission shafts, and inner ratchet gears are arranged on the outer sides of the transmission shafts and meshed with the inner sides of the racks.

Preferably, the external member further comprises:

the outer side center of the external part is provided with a hexagonal groove;

the spring is sleeved on the outer side of the top of the sliding rod, and a hexagonal insertion block is fixedly arranged on the outer side of the top of the sliding rod; the bottom of the sliding rod is fixedly provided with a rocker.

Preferably, the outer side of the sliding seat is rotatably provided with a driven shaft, the driven shaft and the side control shaft are in gear transmission connection, and the central fluted disc is meshed with the gears of the driven shaft.

(III) advantageous effects

The invention provides an adjustable cushion device for clinical nursing of cardiology, which is provided with a regulating function through a control device, medical staff tramples an L-shaped pedal, the L-shaped pedal can automatically reset and bounce through a spring, a rack can drive an inner ratchet gear to rotate in the descending process of the L-shaped pedal, the inner ratchet gear drives a transmission shaft to rotate, the transmission shaft drives a central fluted disc to rotate through a gear, the central fluted disc drives a driven shaft to rotate, the driven shaft drives a side control shaft to rotate through the gear, the side control shaft drives a worm to rotate through a bevel gear, and the worm drives a worm wheel on the outer side of a connecting shaft to rotate, so that the angle of a backboard is regulated, and patients can be nursed.

Secondly, the setting of external piece, for the pad leans on the device to provide self-service adjustment function, accomplishes the adjustment back at medical personnel, lifts up L shape swivel mount, makes the hexagon inserted block accomplish the auto-lock assembly in inserting the hexagonal groove, and the follow-up angle that can oneself rotate the rocker and drive external piece rotation adjustment backplate of disease provides the convenient structure of disease and medical personnel dual control, provides convenience for the patient.

Furthermore, the position of the sliding seat can be moved according to the sitting posture requirement, if the sliding seat, the back plate and the leg plate can be horizontally placed, the legs are required to be bent downwards to move the sliding seat to the foremost side of the main frame body, the wedge-shaped block is separated from the support of the main frame body, the leg plate is put down, and convenience is brought to the lying and sitting.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic bottom view of the embodiment of the present invention;

FIG. 3 is a schematic axial side view of an embodiment of the present invention;

FIG. 4 is a schematic view of a partial side view of an embodiment of the present invention;

FIG. 5 is a schematic perspective view of a control device according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of a headboard according to an embodiment of the invention;

FIG. 7 is a schematic perspective view of an external component according to an embodiment of the present invention;

FIG. 8 is an enlarged partial structural view of part A in the embodiment of the present invention;

in fig. 1 to 8, the correspondence between the part names or lines and the reference numbers is:

1. a main frame body; 2. a sliding seat; 201. a leg plate; 202. a pedestal; 203. an L-shaped plate; 204. elastic bands; 205. a wedge block; 206. a bottom groove; 207. a panel; 208. a worm; 209. a side control shaft; 210. a rear frame; 3. a connecting shaft; 4. a back plate; 401. a riser panel; 402. a lifting bar; 403. a connecting rod; 404. transversely arranging; 405. a lead screw A; 406. a pillow plate; 5. a control device; 501. a guide slider; 502. a reset lever; 503. sliding blades; 504. a rack; 505. a central fluted disc; 506. a drive shaft; 507. an L-shaped pedal; 6. an external component; 601. a hexagonal groove; 602. an L-shaped swivel base; 603. a slide bar; 604. a hexagonal insert block; 7. a driven shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 8, an embodiment of the present invention includes: an adjustable cushion device for clinical nursing of cardiology department comprises a main frame body 1, wherein the middle of the main body of the main frame body 1 is of a hollow structure, and two groups of guide rails are fixedly arranged on two sides of the top of the main frame body 1; the sliding seat 2 is fixedly provided with sliding blocks on two sides of the bottom of the sliding seat 2, and the sliding seat 2 is arranged on the top of the main frame body 1 in a sliding manner; the sliding seat 2 further comprises: the front end of the sliding seat 2 is rotatably provided with a leg plate 201 through a hinge joint, two ends of the front side of the leg plate 201 are rotatably provided with two groups of shaft brackets 202, and the bottom of each shaft bracket 202 is rotatably provided with an L-shaped plate 203; elastic bands 204 are arranged at the tops of the sliding seats 2 and the tops of the positions adjacent to the leg plates 201 and the back plate 4; the sliding seat 2 further comprises: the wedge block 205, the bottom of the sliding seat 2 is fixedly provided with the wedge block 205; the top of the front side of the main frame body 1 is provided with an inclined plane structure; a bottom groove 206, wherein the middle of the bottom of the sliding seat 2 is provided with the bottom groove 206, and a panel 207 is fixedly arranged in the bottom groove 206; the sliding seat 2 further comprises: the rear frame 210 is fixedly arranged at the bottom of the rear side of the sliding seat 2, a worm 208 is rotatably arranged between the rear frame 210 and the panel 207, and a worm wheel is arranged on the outer side of the connecting shaft 3 and is in transmission connection with the worm 208; one side of the sliding seat 2 is rotatably provided with a side control shaft 209, and the side control shaft 209 is in transmission connection with a bevel gear arranged at the front end of the worm 208; the outer end of the side control shaft 209 is fixedly provided with an external part 6; a control device 5 is fixedly arranged on one side of the bottom of the sliding seat 2; the connecting shaft 3 is fixedly arranged at the bottom of the back plate 4, and the connecting shaft 3 is rotatably arranged at the rear side of the sliding seat 2; the back plate 4 further comprises: the bottom parts of two sides of the lifting head plate 401 are integrally provided with semi-cylindrical structures with inward arcs, two sides of the back plate 4 are provided with semi-circular grooves, and the semi-cylindrical structures are in sliding connection with the semi-circular grooves; the number of the lifting strips 402 is two, the two groups of lifting strips 402 are eccentrically arranged on the rear side of the back plate 4 in a sliding manner through guide rails, and the tops of the lifting strips 402 are fixedly connected with the rear side of the lifting head plate 401; the front side of the lifting head plate 401 is of an inclined plane structure, and the top of the rear side of the lifting head plate 401 is fixedly provided with a pillow plate 406; the back plate 4 further comprises: the connecting rods 403 are arranged in two groups, and the connecting rods 403 are rotatably arranged at the bottom of the lifting bar 402; a horizontal row 404, wherein the horizontal row 404 is arranged at the rear side of the back plate 4 through a guide rail in a horizontal sliding manner; the rear side of the back plate 4 is rotatably provided with a lead screw A405, and the lead screw A405 is in threaded connection with the transverse row 404; the control device 5 further comprises: the number of the guide sliding strips 501 is two, and the two groups of guide sliding strips 501 are fixedly arranged at two ends of the outer side of the control device 5; the reset rod 502 is vertically arranged in the guide sliding strip 501 in a sliding mode, a spring is sleeved on the outer side of the top of the reset rod 502, a cross piece is fixedly arranged at the top end of the reset rod 502, a sliding piece 503 is fixedly arranged at the bottom of the outer side of the cross piece, a rack 504 is fixedly arranged at the bottom of the inner side of the cross piece, and the sliding piece 503 and the rack 504 are arranged on the outer side of the guide sliding strip 501 in a sliding mode; an L-shaped pedal 507 is fixedly arranged at the bottoms of the sliding sheet 503 and the rack 504; the control device 5 further comprises: the central fluted disc 505 is rotatably arranged in the middle of the outer side of the control device 5 through a rotating shaft; the number of the transmission shafts 506 is two, the two transmission shafts 506 are rotatably arranged at two ends of the bottom of the outer side of the control device 5, a gear and a central toothed disc 505 are arranged on the outer side of the transmission shafts 506, and an inner ratchet gear meshed with the inner side of the rack 504 is arranged on the outer side of the transmission shafts 506.

Wherein, external piece 6 still includes: the hexagonal groove 601 is formed, and the hexagonal groove 601 is formed in the center of the outer side of the external part 6; the bottom of the outer side of the external piece 6 is rotatably provided with an L-shaped swivel base 602 through hinge connection, a sliding rod 603 is slidably arranged in the L-shaped swivel base 602, and the outer side of the top of the sliding rod 603 is sleeved with a spring and fixedly provided with a hexagonal insertion block 604; the bottom of the sliding rod 603 is fixedly provided with a rocker.

The driven shaft 7 is rotatably arranged outside the sliding seat 2, the driven shaft 7 is in gear transmission connection with the side control shaft 209, and the central fluted disc 505 is meshed with the gears of the driven shaft 7.

The working principle is as follows: when the medical nursing bed is used, a patient sits on the top of the sliding seat 2 to back the backboard 4, the legs are placed on the front side of the leg board 201, the external part 6 and the hexagonal insertion block 604 are in a separated state, a medical worker steps on the L-shaped pedal 507, the L-shaped pedal 507 can automatically reset and bounce through a spring, the rack 504 can drive the internal ratchet gear to rotate in the process of descending the L-shaped pedal 507, the internal ratchet gear drives the transmission shaft 506 to rotate, the transmission shaft 506 drives the central fluted disc 505 to rotate through a gear, the central fluted disc 505 drives the driven shaft 7 to rotate, the driven shaft 7 drives the side control shaft 209 to rotate through a gear, the side control shaft 209 drives the worm 208 to rotate through a bevel gear, the worm 208 drives the worm wheel on the outer side of the connecting shaft 3 to rotate, the angle of the backboard 4 is adjusted, the angle adjustment of the backboard 4 is further realized, the patient is nursed, after the medical worker finishes the adjustment, the L-shaped rotation base 602 is lifted, the hexagonal insertion block 604 is inserted into the hexagonal groove 601 to finish the self-locking assembly, the subsequent rocker that can oneself rotate of disease drives the angle of external 6 rotatory adjustment backplates 4, provides convenience for the disease.

The position of the sliding seat 2 can be moved according to sitting needs, if the sliding seat 2, the back plate 4 and the leg plate 201 can be flatly placed, the legs need to be bent downwards to move the sliding seat 2 to the foremost side of the main frame 1, the wedge-shaped block 205 is separated from the support of the main frame 1, and the leg plate 201 is put down.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.