CN218279987U

CN218279987U - Seat backrest

Info

Publication number: CN218279987U
Application number: CN202222326526.1U
Authority: CN
Inventors: 刘文红; 杨如美
Original assignee: Ruinjin Hospital Affiliated to Shanghai Jiaotong University School of Medicine Co Ltd Luwan Branch
Current assignee: Ruinjin Hospital Affiliated to Shanghai Jiaotong University School of Medicine Co Ltd Luwan Branch
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2023-01-13
Anticipated expiration: 2032-09-01

Abstract

The utility model discloses a seat backrest relates to medical care auxiliary assembly technical field. The utility model discloses a chair body, the both sides of chair body are provided with the handrail, be provided with canceling release mechanical system on the chair body, the chair body passes through canceling release mechanical system is provided with the loading board. The utility model discloses when using, pull down the fender rod, pass the patient between two connecting rods, make the patient sit on the loading board, under canceling release mechanical system's effect, human gravity acts on the loading board, make the loading board move down, drive mechanism motion, make the axostylus axostyle rotate, drive the connecting rod and rotate, the installation fender rod, when the patient stands up, loading board rebound, under drive mechanism's effect, it slowly is close to the chair body to make the axostylus axostyle drive connecting rod and fender rod, protect the patient, a seat that to sum up we designed leans against, self safeguard function has, when the patient stands up, can in time protect the patient, prevent that the patient from falling down, improve the security of seat, reduce the possibility of secondary injury.

Description

Seat back

Technical Field

The utility model relates to a medical care auxiliary assembly technical field, concretely relates to seat leans against.

Background

The geriatrics department is a medical department specially set for the elderly, and is a medical department giving consideration to various diseases and requiring comprehensive treatment. The diseases diagnosed by the geriatrics department are all internal diseases, such as pneumonia, chronic obstructive pulmonary disease, lung cancer, hypertension, coronary heart disease, degenerative valvular heart disease, chronic renal insufficiency, diabetes, cerebrovascular disease and the like are the most common geriatric diseases, and the diseases can cause the elderly to have inconvenience in walking and often depend on chairs and the like.

In a hospital, the backrest seat is of a simple structure and is single in function, a protection tool is not arranged on the seat, when an elderly patient sits on the chair and stands up, if no medical personnel looks after the chair, the patient easily falls down, the protection on the patient is not facilitated, the safety of the seat is reduced, the patient easily falls down to cause secondary injury of the patient, and therefore the backrest seat is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a chair backrest, includes the chair body, the both sides of the chair body are provided with the handrail, be provided with canceling release mechanical system on the chair body, the chair body passes through canceling release mechanical system is provided with the loading board, the loading board is used for bearing patient, the both ends of loading board are provided with drive mechanism, the both sides of the chair body are located drive mechanism department bearing is connected with the axostylus axostyle, drive mechanism is used for ordering about the axostylus axostyle rotates, the end fixing of axostylus axostyle is provided with the connecting rod, two be provided with a plurality of detachable guard bars between the connecting rod, wherein, stand when the patient breaks away from during the loading board, the guard bar is used for protecting the patient.

Furthermore, the reset mechanism comprises a plurality of outer rods arranged on the chair body, an inner rod matched with the outer rods is arranged on the bearing plate, and a spring is arranged between the bearing plate and the chair body.

Furthermore, the transmission mechanism comprises a spur rack fixedly connected to the bearing plate, the spur rack penetrates through the bearing plate, and a gear meshed with the spur rack is fixedly sleeved on the shaft rod.

Furthermore, the end part of the guard bar is provided with a square shape, the connecting rod is provided with a plurality of square grooves matched with the guard bar, and the guard bar can be inserted into the square grooves.

Further, a bolster used for cushioning the back of the patient is arranged on the chair body, and the bolster is positioned between the back of the patient and the chair body.

Further, a cross rod is arranged on the connecting rod and used for protecting the side face of the patient.

The utility model has the advantages as follows:

the utility model discloses when using, pull down the fender rod, pass the patient between two connecting rods, make the patient sit on the loading board, under canceling release mechanical system's effect, because human gravity acts on the loading board, make the loading board downstream, drive mechanism motion makes the axostylus axostyle rotate, drives the connecting rod and rotates, the installation fender rod, when the patient stands up, loading board rebound, under drive mechanism's effect, makes the axostylus axostyle drive connecting rod and fender rod slowly be close to the chair body, protects the patient, to sum up a seat of our design leans against, has self safeguard function, when the patient stands up, can in time protect the patient, can enclose the patient fast, prevents that the patient from falling down, improves the security of seat, reduces the possibility of secondary injury.

Drawings

Fig. 1 is a solid view of the three-dimensional structure of the present invention;

fig. 2 is an exploded view of the present invention;

FIG. 3 is a partial structural entity diagram of the present invention;

fig. 4 is a structural entity diagram of the reset mechanism of the present invention.

Reference numerals: 1. a chair body; 101. a bolster; 2. a handrail; 3. a reset mechanism; 301. an outer pole; 302. an inner rod; 303. a spring; 4. carrying a plate; 5. a transmission mechanism; 501. a spur rack; 502. a gear; 6. a shaft lever; 7. a connecting rod; 701. a square groove; 702. a cross bar; 8. a guard bar.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention will be combined below to clearly and completely describe the technical solution in the embodiments of the present invention.

As shown in figures 1, 2, 3 and 4, the chair comprises a chair body 1, wherein the chair body 1 is provided with supporting legs, two sides of the chair body 1 are provided with armrests 2, the armrests 2 are used by a patient, the chair body 1 is provided with a reset mechanism 3, the chair body 1 is provided with a bearing plate 4 through the reset mechanism 3, the bearing plate 4 is matched with the chair body 1, the bearing plate 4 is used for supporting the patient, two ends of the bearing plate 4 are provided with transmission mechanisms 5, two sides of the chair body 1 are provided with shaft levers 6 at the positions of the transmission mechanisms 5 in a bearing way, the transmission mechanisms 5 are used for driving the shaft levers 6 to rotate, the end parts of the shaft levers 6 are fixedly provided with connecting rods 7, a plurality of detachable guard bars 8 are arranged between the two connecting rods 7, wherein when the patient stands off the bearing plate 4, the guard bars 8 are used for protecting the patient, at the moment, the guard bars 8 and the connecting rods 7 slowly approach the chair body 1 to form protection for the patient, when the patient sits on the bearing plate 4, the protective rod 8 and the connecting rod 7 are slowly far away from the chair body 1, in some embodiments, when the chair is used, the protective rod 8 is detached, a patient passes through the space between the two connecting rods 7, so that the patient sits on the bearing plate 4, the bearing plate 4 is moved downwards due to the action of the gravity of the human body on the bearing plate 4 under the action of the reset mechanism 3, the transmission mechanism 5 moves, the shaft lever 6 rotates to drive the connecting rod 7 to rotate, the protective rod 8 is installed, when the patient stands up, the bearing plate 4 moves upwards, and under the action of the transmission mechanism 5, the shaft lever 6 drives the connecting rod 7 and the protective rod 8 to slowly approach the chair body 1 to protect the patient, and in conclusion, the chair backrest designed by the inventor has the self-protection function, can protect the patient in time when the patient stands up, can quickly protect the patient, prevents the patient from falling down, and improves the safety of the chair, the possibility of secondary injury is reduced.

As shown in fig. 2 and 4, the reset mechanism 3 includes a plurality of outer rods 301 disposed on the chair body 1, an inner rod 302 disposed on the bearing plate 4 and adapted to the outer rods 301, the outer rods 301 and the inner rod 302 are disposed vertically, a spring 303 is disposed between the bearing plate 4 and the chair body 1, the spring 303 is disposed along the length direction of the outer rods 301 and the inner rod 302, in some embodiments, when a patient sits on the bearing plate 4, the spring 303 is compressed by gravity, the inner rod 302 moves in the outer rods 301, and the bearing plate 4 moves downward; when the patient stands up and is far away from the bearing plate 4, the spring 303 restores the original state, the inner rod 302 moves in the outer rod 301, the bearing plate 4 moves upwards, the bearing plate 4 moves up and down along with the gravity of the patient due to the arrangement of the resetting mechanism 3, and the bearing plate 4 can restore the original state in time when the patient stands up, so that the transmission mechanism 5 moves and the comfort of the patient can be improved.

As shown in fig. 2 and fig. 3, the transmission mechanism 5 includes a spur rack 501 fixedly connected to the bearing plate 4, the spur rack 501 is vertically arranged, the spur rack 501 penetrates through the bearing plate 4, and a gear 502 engaged with the spur rack 501 is fixedly sleeved on the shaft lever 6, in some embodiments, when the bearing plate 4 moves downward, the spur rack 501 moves downward along with the movement, and the gear 502 rotates to drive the shaft lever 6 to rotate; when loading board 4 upward movement, spur rack 501 then upward movement, gear 502 antiport drives 6 antiport of axostylus axostyle, and drive mechanism 5 sets up the direction of ability change force, converts the linear motion of loading board 4 into 6's of axostylus axostyle circular motion, effectively utilizes patient's gravity, when the patient got up and breaks away from loading board 4 for 6 timely movements of axostylus axostyle do benefit to the patient protection.

As shown in fig. 2, the end of the guard bar 8 is square, a plurality of square grooves 701 matched with the guard bar 8 are constructed on the connecting rod 7, the guard bar 8 can be inserted into the square grooves 701, the guard bar 8 corresponds to the two square grooves 701, in some embodiments, when a patient sits on the chair body 1, the two ends of the guard bar 8 are inserted into the square grooves 701, the operation is circulated in sequence, the guard bar 8 can protect the patient, and meanwhile, the patient is prevented from getting up, the patient is warned, the patient is prevented from getting up, the safety of the device is improved, and the possibility of secondary injury is reduced.

As shown in fig. 1, the chair body 1 is provided with a bolster 101 for cushioning the back of a patient, the bolster 101 is located between the back of the patient and the chair body 1, in some embodiments, when the patient sits on the chair body 1, the back can be attached to the bolster 101, the setting of the bolster 101 effectively avoids the back of the patient from directly contacting the chair body 1, the comfort of the back of the patient is improved, thereby the number of times of activity of the patient is reduced, the rising probability of the patient is reduced, and the safety of the patient is improved.

As shown in fig. 1 and 2, a cross bar 702 is disposed on the connecting rod 7, the cross bar 702 is used for protecting the side of the patient, the cross bar 702 is located at the armrest 2, in some embodiments, the cross bar 702 can block the side of the patient, the arrangement of the cross bar 702 can effectively limit the activity space of the patient, the side of the patient can be supported, the safety of the device is further improved, the protection of the patient is enhanced, and the possibility that the patient falls down is reduced.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a chair backrest, its characterized in that, includes chair body (1), the both sides of chair body (1) are provided with handrail (2), be provided with canceling release mechanical system (3) on chair body (1), chair body (1) is provided with loading board (4) through canceling release mechanical system (3), loading board (4) are used for bearing the patient, the both ends of loading board (4) are provided with drive mechanism (5), the both sides of chair body (1) are located drive mechanism (5) department bearing is connected with axostylus axostyle (6), drive mechanism (5) are used for ordering about axostylus axostyle (6) rotate, the end fixing of axostylus axostyle (6) is provided with connecting rod (7), two be provided with a plurality of detachable guard bars (8) between connecting rod (7), wherein, when the patient stands and breaks away from loading board (4), guard bar (8) are used for protecting the patient.

2. The seat back according to claim 1, wherein the return mechanism (3) comprises a plurality of outer rods (301) disposed on the seat body (1), the carrier plate (4) is provided with an inner rod (302) adapted to the outer rods (301), and a spring (303) is disposed between the carrier plate (4) and the seat body (1).

3. The seat back rest according to claim 1, wherein the transmission mechanism (5) comprises a spur rack (501) fixedly connected to the carrier plate (4), the spur rack (501) penetrates through the carrier plate (4), and a gear (502) engaged with the spur rack (501) is fixedly sleeved on the shaft rod (6).

4. Seat back according to claim 1, characterized in that the ends of the guard bars (8) are provided with square shapes, the connecting bars (7) are configured with a plurality of square grooves (701) matched with the guard bars (8), and the guard bars (8) can be inserted into the square grooves (701).

5. A seat back rest according to claim 1, wherein a bolster (101) for cushioning the back of a patient is provided on the seat body (1), the bolster (101) being located between the back of the patient and the seat body (1).

6. A seat back according to claim 1, wherein the connecting rod (7) is provided with a cross bar (702), the cross bar (702) being adapted to protect the side of the patient.