CN209770711U - Wheelchair for hemiplegic patient - Google Patents

Abstract

The utility model discloses a wheelchair for hemiplegic patients, which comprises a wheelchair body, the wheelchair body includes an L-shaped wheelchair frame and an L-shaped seat cushion backrest rotatably installed on the inner side of the bottom of the L-shaped wheelchair frame, and the L-shaped seat cushion One side of the backrest is provided with a plurality of straps, the bottom of the L-shaped wheelchair frame is fixedly installed with a mounting frame, and the bottom of the mounting frame is provided with four rollers, and the bottom inner side of the L-shaped wheelchair frame is provided with a first groove, the first The same crossbar is fixedly installed on the inner walls of both sides of the groove, a first rectangular block is arranged in the first groove, and a first through hole is opened on one side of the first rectangular block, and the first through hole is slidingly connected with the crossbar . The utility model has the advantages of simple structure and convenient operation, and it is convenient to adjust the inclination angle of the L-shaped seat backrest according to the actual needs, so that the hemiplegic patient can be in the reclining state when sitting, preventing the hemiplegic patient from slipping and causing secondary injuries, and meeting the needs of personnel. usage requirements.

Description

A wheelchair for hemiplegic patients

technical field

The utility model relates to the technical field of wheelchairs, in particular to a wheelchair for hemiplegic patients.

Background technique

Hemiplegic patients caused by various diseases need wheelchairs to assist them when they need to go out. Because the side limbs of hemiplegic patients are weak, it is easy for hemiplegic patients to slip out of wheelchairs. The existing wheelchairs are mainly composed of L-shaped wheelchair frames and L-shaped seat cushions. , a mounting frame, and rollers, and the L-shaped seat backrest is provided with a plurality of straps for fixing the hemiplegic patient, but the inclination angle of the L-shaped seat backrest on the existing wheelchair is not easy to adjust, which makes the hemiplegic The patient is prone to slipping while sitting in the wheelchair, which causes secondary injury to the patient and cannot meet the needs of personnel. Therefore, we propose a wheelchair for hemiplegic patients to solve the above problems.

Utility model content

(1) Solved technical problems

Aiming at the deficiencies of the prior art, the utility model provides a wheelchair for hemiplegic patients, which is used to solve the existing deficiencies and achieve the purpose of being convenient to use.

(2) Technical solution

In order to solve the above problems, the utility model provides the following technical solutions:

A wheelchair for hemiplegic patients comprises a wheelchair body, the wheelchair body includes an L-shaped wheelchair frame and an L-shaped seat backrest rotatably mounted on the bottom inner side of the L-shaped wheelchair frame, one side of the L-shaped seat backrest is provided There are a plurality of straps, the bottom of the L-shaped wheelchair frame is fixedly installed with a mounting frame, and the bottom of the mounting frame is provided with four rollers. The inner side of the bottom of the L-shaped wheelchair frame is provided with a first groove, and the inner walls on both sides of the first groove The same cross bar is fixedly installed on the top, and a first rectangular block is arranged in the first groove, and a first through hole is opened on one side of the first rectangular block, and the first through hole is slidably connected with the cross bar, and the L-shaped seat cushion The bottom of the backrest is hinged with an inclined connecting rod, the bottom end of the connecting rod extends into the first groove and is hinged with the top of the first rectangular block. One side of the crossbar is provided with a rectangular groove, which is rotated and installed in the rectangular groove. There is a screw rod, and the screw rod is threaded with a second rectangular block located in the first through hole. One end of the screw rod extends to the outside of the L-shaped wheelchair frame and is fixedly installed with a rocking plate. The top inner wall and the bottom inner wall of the rectangular groove Rectangular holes are opened on the top, the top and bottom of the second rectangular block are fixedly installed with the first slider, the first slider penetrates the corresponding rectangular hole and is welded to the side wall of the first through hole, the first slider and The corresponding rectangular holes are slidably connected, and the bottom of the first rectangular block is nested with two balls, and the balls are in rolling contact with the bottom inner wall of the first groove.

Preferably, a second through hole is opened on the inner wall of the first groove close to the rocking plate, and the side wall of the second through hole does not contact the outer side of the screw.

Preferably, one side of the second rectangular block is provided with a threaded hole, and the threaded hole is threadedly connected with the screw rod.

Preferably, sliding slots are provided on both inner walls of the rectangular hole, and second sliding blocks are fixedly installed on both sides of the first sliding block, and the second sliding block is slidably connected to the corresponding sliding slots.

Preferably, two bearings are welded on the inner wall of the bottom of the rectangular groove, and the inner rings of the two bearings are fixedly fitted with the outer side of the screw.

Preferably, the inner walls on both sides of the first through hole are respectively slidingly connected to the two sides of the cross bar.

(3) Beneficial effects:

Compared with the prior art, the beneficial effect of a wheelchair for hemiplegic patients proposed by the utility model is:

Through the L-shaped wheelchair frame, the L-shaped seat cushion backrest, the mounting frame, the first slot, the cross bar, the connecting rod, the first rectangular block, the first through hole, the rectangular slot, the screw rod, the second rectangular block, the threaded hole, the first The slider, the rectangular hole, the cradle and the balls cooperate, and the cradle rotates forward, and the cradle drives the screw to rotate. Under the action of the threaded hole, the screw rotates to drive the second rectangular block to move, and the second rectangular block passes through the two first The slider drives the first rectangular block to move, and the first rectangular block drives the connecting rod to squeeze the L-shaped seat cushion backrest, and the force of extrusion drives the L-shaped seat cushion backrest to rotate on the bottom inner side of the L-shaped wheelchair frame, so that the L-shaped seat cushion The inclination angle of the cushion back is changed, so that the inclination angle of the L-shaped seat cushion is convenient to be adjusted.

The utility model has the advantages of simple structure and convenient operation, and it is convenient to adjust the inclination angle of the L-shaped seat backrest according to actual needs, so that the hemiplegic patient can be in the reclining state when sitting, preventing the hemiplegic patient from slipping and causing secondary injuries, and satisfying the needs of personnel. usage requirements.

Description of drawings

Fig. 1 is a structural representation of a wheelchair for hemiplegic patients proposed by the utility model;

Fig. 2 is a schematic cross-sectional structure diagram of part A in Fig. 1;

FIG. 3 is a schematic cross-sectional structure diagram of part B in FIG. 2 .

In the figure: 1 L-shaped wheelchair frame, 2 L-shaped seat cushion backrest, 3 Mounting frame, 4 First groove, 5 Cross bar, 6 Connecting rod, 7 First rectangular block, 8 First through hole, 9 Rectangular groove, 10 Screw rod, 11 second rectangular blocks, 12 threaded holes, 13 first slide blocks, 14 rectangular holes, 15 rocking plates, 16 balls.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

With reference to Fig. 1-3, a kind of wheelchair that is used for hemiplegia patient comprises wheelchair body, and wheelchair body comprises L-shaped wheelchair frame 1 and the L-shaped seat cushion backrest 2 that is rotatably installed on the inner side of the bottom of L-shaped wheelchair frame 1, and L-shaped seat cushion One side of the backrest 2 is provided with a plurality of straps, the bottom of the L-shaped wheelchair frame 1 is fixedly installed with a mounting frame 3, and the bottom of the mounting frame 3 is provided with four rollers, and the bottom inner side of the L-shaped wheelchair frame 1 is provided with a first groove 4. The same horizontal bar 5 is fixedly installed on the inner walls of both sides of the first groove 4, and a first rectangular block 7 is arranged in the first groove 4, and a first through hole 8 is opened on one side of the first rectangular block 7, and the first through hole 8 is opened on the first groove 4. A through hole 8 is slidingly connected with the cross bar 5, and the bottom of the L-shaped seat backrest 2 is hinged with a connecting rod 6 arranged obliquely. The bottom end of the connecting rod 6 extends into the first groove 4 and connects with the top of the first rectangular block 7. One side of the cross bar 5 is provided with a rectangular groove 9, and a screw 10 is rotated in the rectangular groove 9, and the screw 10 is threaded with a second rectangular block 11 located in the first through hole 8. One end of the screw 10 Extending to the outside of the L-shaped wheelchair frame 1, a rocking plate 15 is fixedly installed, a rectangular hole 14 is provided on the top inner wall and the bottom inner wall of the rectangular groove 9, and a first slider is fixedly installed on the top and bottom of the second rectangular block 11 13. The first slider 13 passes through the corresponding rectangular hole 14 and is welded to the side wall of the first through hole 8. The first slider 13 is slidably connected to the corresponding rectangular hole 14. The bottom of the first rectangular block 7 is nested with Two balls 16, the balls 16 are in rolling contact with the bottom inner wall of the first groove 4, through the L-shaped wheelchair frame 1, the L-shaped seat cushion backrest 2, the mounting frame 3, the first groove 4, the cross bar 5, the connecting rod 6, the second A rectangular block 7, the first through hole 8, the rectangular groove 9, the screw rod 10, the second rectangular block 11, the threaded hole 12, the first slide block 13, the rectangular hole 14, the rocking plate 15 cooperate with the ball 16, forward rotation Shake the plate 15, and the wobble plate 15 drives the screw rod 10 to rotate. Under the action of the threaded hole 12, the screw rod 10 rotates to drive the second rectangular block 11 to move, and the second rectangular block 11 drives the first rectangular block 7 through the two first sliders 13. Move, the first rectangular block 7 drives the connecting rod 6 to squeeze the L-shaped seat backrest 2, and the force of extrusion drives the L-shaped seat backrest 2 to rotate on the bottom inner side of the L-shaped wheelchair frame 1, so that the L-shaped seat backrest The inclination angle of 2 changes, making it easy to adjust the inclination angle of the L-shaped seat backrest 2. The utility model has simple structure and convenient operation, and is convenient for adjusting the inclination angle of the L-shaped seat backrest 2 according to actual needs, so that hemiplegia The patient can be in a backward state when sitting, preventing the hemiplegic patient from slipping and causing secondary injuries, and meeting the needs of personnel.

In the utility model, a second through hole is provided on the inner wall of the first groove 4 close to the side of the rocking plate 15, the side wall of the second through hole does not contact the outside of the screw rod 10, and a side wall of the second rectangular block 11 is provided with Threaded hole 12, threaded hole 12 is threadedly connected with screw rod 10, is all provided with chute on the both sides inner walls of rectangular hole 14, and the both sides of first slider 13 are all fixedly installed with second slider, and the second slider and corresponding Two bearings are welded on the inner wall of the bottom of the rectangular groove 9, the inner rings of the two bearings are fixedly fitted with the outer sides of the screw rod 10, and the inner walls on both sides of the first through hole 8 are connected with the two sides of the cross bar 5 respectively. Side sliding connection, through L-shaped wheelchair frame 1, L-shaped seat cushion backrest 2, mounting frame 3, first slot 4, cross bar 5, connecting rod 6, first rectangular block 7, first through hole 8, rectangular slot 9 , the screw 10, the second rectangular block 11, the threaded hole 12, the first slider 13, the rectangular hole 14, the rocking plate 15 and the ball 16 cooperate to rotate the rocking plate 15 in the forward direction, and the rocking plate 15 drives the screw rod 10 to rotate. Under the action of the hole 12, the screw rod 10 rotates to drive the second rectangular block 11 to move, the second rectangular block 11 drives the first rectangular block 7 to move through the two first sliders 13, and the first rectangular block 7 drives the connecting rod 6 to L-shaped The seat backrest 2 is extruded, and the force of extrusion drives the L-shaped seat backrest 2 to rotate on the bottom inner side of the L-shaped wheelchair frame 1, so that the inclination angle of the L-shaped seat backrest 2 changes, making it easy to adjust the L-shaped seat backrest. The inclination angle of the backrest 2 is adjusted. The utility model has the advantages of simple structure and convenient operation, and is convenient for adjusting the inclination angle of the L-shaped seat backrest 2 according to actual needs, so that the hemiplegic patient can be in a reclining state when sitting, preventing the hemiplegic patient from Slipping causes secondary injury, which meets the needs of personnel.

Working principle: When in use, when adjusting the inclination angle of the L-shaped seat backrest 2 according to the needs of hemiplegic patients, turn the rocking plate 15 forward, and the rocking plate 15 drives the screw 10 to rotate. Under the action of the threaded hole 12, the screw 10 The rotation drives the second rectangular block 11 to move in the rectangular groove 9, the second rectangular block 11 drives the two first sliders 13 to move, the first slider 13 drives the corresponding second slider to slide in the chute, and the second A slider 13 drives the first rectangular block 7 to slide on the cross bar 5 through the first through hole 8, and the first rectangular block 7 drives the position of the connecting rod 6 to move, and the connecting rod 6 squeezes the L-shaped seat backrest 2, squeezes The pressing force drives the L-shaped seat backrest 2 to rotate on the bottom inner side of the L-shaped wheelchair frame 1, so that the inclination angle of the L-shaped seat backrest 2 changes. After adjusting the inclination angle of the L-shaped seat backrest 2, stop rotating the rocking plate 15, making it convenient to adjust the inclination angle of the L-shaped seat backrest 2 according to actual needs, so that the hemiplegic patient can be in a reclined state when sitting, and prevent the hemiplegic patient from slipping from the L-shaped seat backrest 2 during use.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (6)

1. A wheelchair for hemiplegia patients, comprising a wheelchair body, said wheelchair body comprising an L-shaped wheelchair frame (1) and an L-shaped seat cushion backrest (2) that is installed in rotation at the bottom inner side of the L-shaped wheelchair frame (1), One side of the L-shaped seat backrest (2) is provided with a plurality of straps, the bottom of the L-shaped wheelchair frame (1) is fixedly equipped with a mounting frame (3), and the bottom of the mounting frame (3) is provided with four rollers , it is characterized in that, the inner side of the bottom of the L-shaped wheelchair frame (1) is provided with a first groove (4), and the same horizontal bar (5) is fixedly installed on the inner walls of both sides of the first groove (4). The first slot (4) is provided with a first rectangular block (7), and one side of the first rectangular block (7) is provided with a first through hole (8), and the first through hole (8) and the cross bar (5) Slidingly connected, the bottom of the L-shaped seat backrest (2) is hinged with a connecting rod (6) arranged obliquely, and the bottom end of the connecting rod (6) extends into the first groove (4) and connects with the first rectangular block (7) The top of the cross bar (5) is hinged, a rectangular groove (9) is opened on one side of the cross bar (5), and a screw rod (10) is rotated in the rectangular groove (9), and the threaded sleeve on the screw rod (10) is provided with a The second rectangular block (11) in the hole (8), one end of the screw rod (10) extends to the outside of the L-shaped wheelchair frame (1) and is fixedly installed with a rocking plate (15), the rectangular groove (9) Both the top inner wall and the bottom inner wall are provided with a rectangular hole (14), and the top and bottom of the second rectangular block (11) are fixedly equipped with a first slider (13), and the first slider (13) runs through the corresponding rectangular hole (14) and welded with the sidewall of the first through hole (8), the first slide block (13) is slidably connected with the corresponding rectangular hole (14), and the bottom of the first rectangular block (7) is nested with Two balls (16), the balls (16) are in rolling contact with the bottom inner wall of the first groove (4). 2. A kind of wheelchair for hemiplegic patients according to claim 1, characterized in that, a second through hole is provided on the inner wall of the side of the first groove (4) close to the rocking plate (15), the second through hole is The side wall of the through hole is not in contact with the outside of the screw rod (10). 3. A kind of wheelchair for hemiplegia according to claim 1, is characterized in that, a side of described second rectangular block (11) offers threaded hole (12), threaded hole (12) and screw rod ( 10) Threaded connection. 4. A kind of wheelchair that is used for hemiplegia according to claim 1, is characterized in that, on the both sides inner wall of described rectangular hole (14), all offer chute, the both sides of first slider (13) Both are fixedly installed with a second slide block, and the second slide block is slidably connected with a corresponding chute. 5. A kind of wheelchair for hemiplegic patients according to claim 1, is characterized in that, two bearings are welded on the bottom inner wall of described rectangular groove (9), and the inner rings of two bearings are all connected with screw rod (10) ) of the outer fixing set. 6. A wheelchair for hemiplegic patients according to claim 1, characterized in that, the inner walls on both sides of the first through hole (8) are respectively slidingly connected to the two sides of the cross bar (5).