CN110063848A - A kind of old man goes to the toilet wheelchair - Google Patents

Abstract

The invention discloses a toilet wheelchair for the elderly, which comprises a wheelchair frame body. Walking wheels are installed on both sides of the wheelchair frame body through a lifting adjustment mechanism; There are horizontally arranged guide rails on both sides of the bottom of the frame body, a vertically upward backrest is slidable between the two guide rails, and a lift frame is slidably arranged on the backrest; the positioning plate is provided with a first seat plate slideway arranged oppositely; A rotating rod is hinged between the lifting frame and the positioning plate, the inner side of the rotating rod is provided with a second sitting board slideway corresponding to the first sitting board slideway, and a sitting board main body is arranged between the two second sitting board slideways. ; The wheelchair frame body is provided with a seat plate opening mechanism. The invention facilitates the combination of the wheelchair frame and the toilet by setting the lifting and adjusting mechanism, and greatly reduces the help of others when the elderly use the toilet by setting the standing mechanism, and has the characteristics of easy operation and high comfort.

Description

An old man toilet wheelchair

technical field

The present invention relates to the technical field of wheelchairs, in particular to an elderly toilet wheelchair.

Background technique

There are mainly three types of existing products for assisting the elderly to go to the toilet: commode chairs suitable for squatting toilets, wheelchairs with their own toilet bowls, and wheelchairs with toilet openings. For the commode chair, the elderly with inconvenient legs and feet need the help of others to sit on the chair, and they also need to take off their pants in the process, and the toilet on the commode chair does not feel comfortable. For wheelchairs with their own bedpans, the issues of taking off the trousers of the elderly and cleaning the toilet need to be considered. For wheelchairs with their own openings, the elderly's trousers removal and toilet experience are also headaches. To sum up, the toilet products for the elderly currently on the market have a single function, poor experience, and are more dependent on the help of others. Therefore, there is an urgent need for a toilet that can reduce the burden on others, and can facilitate the elderly to use the toilet and enhance the elderly's toilet experience. product.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an elderly toilet wheelchair. The invention facilitates the combination of the wheelchair frame and the toilet by setting the lifting and adjusting mechanism, and greatly reduces the help of others in the process of going to the toilet by the elderly or people with inconvenience by setting up the standing mechanism, and has the characteristics of easy operation and high comfort. .

The technical solution of the present invention is as follows: an elderly toilet wheelchair, including a wheelchair frame body, and walking wheels are installed on both sides of the wheelchair frame body through a lifting adjustment mechanism; the wheelchair frame body is provided with a standing mechanism, and the standing mechanism includes a set of There are horizontally arranged guide rails on both sides of the bottom of the wheelchair frame, a vertically upward backrest is slidable between the two guide rails, and a lift frame is slidably arranged on the backrest; the front sides of the wheelchair frame are provided with vertically upward vertical guide rails. The lower positioning plate, the positioning plate is provided with a first seat plate slideway arranged oppositely; a rotating rod is hinged between the lifting frame and the positioning plate, and the inner side of the rotating rod is provided with a second seat plate slideway corresponding to the first seat plate slideway. Two seat board slides, a seat board main body is arranged between the two second seat board slideways; an electric push rod is arranged between the rotating rod and the wheelchair frame body; the wheelchair frame body is provided with a seat board opening mechanism ; The lifting frame is provided with an underarm support.

In the above-mentioned wheelchair for the elderly to use the toilet, the lifting adjustment mechanism includes a pair of vertically downward limit slide bars arranged on the wheelchair frame body, and a height adjustment block is slidably arranged between the pair of limit slide bars. The walking wheel is installed on the height-adjusting block through a bearing; the wheelchair frame body is provided with a vertical downward screw, and a screw cylinder is sleeved on the screw, and the bottom of the screw cylinder is fixed with the top of the height-adjusting block, and the wheelchair A drive motor is arranged on the frame body, and the output shaft of the drive motor is in driving connection with the shaft end of the screw rod.

In the aforementioned toilet wheelchair for the elderly, a worm gear is provided on the third rotating shaft, and two sides of the front end of the wheelchair frame are hinged with inclined downward connecting frames, and the top of the connecting frame is installed with a front wheel. A linkage mechanism is arranged between the frame and the height-adjusting block.

In the aforementioned toilet wheelchair for the elderly, the linkage mechanism includes a sliding rod that is arranged on the wheelchair frame body through a fixed frame and is laterally arranged, and a first sliding block is provided on the sliding rod; the connecting frame and the first sliding block A first connecting rod is arranged therebetween, and a second connecting rod is arranged between the height-adjusting block and the slider.

In the aforementioned wheelchair for the elderly, the seat plate opening mechanism includes a vertically downward positioning frame arranged on the wheelchair frame body, the positioning frame is provided with a screw rod, and the screw rod is provided with a second slider, the The second sliding block is connected with the main body of the seat plate through the connecting piece; the top of the positioning frame is provided with a servo motor, and the output shaft of the servo motor is connected with the shaft end of the screw rod.

In the aforementioned wheelchair for the elderly, the backrest is provided with a slide plate with a limit chute, and the lift frame is provided with a limit slide matched with the slide plate.

In the aforementioned toilet wheelchair for the elderly, the seat plate main body is composed of a plurality of strip-shaped seat plates connected by connecting pairs.

In the aforementioned wheelchair for the elderly, the armpit support includes a pair of vertical strip-shaped positioning blocks arranged on both sides of the lifting frame respectively, and a pair of positioning blocks is matched with a storage cavity, and the storage cavity is arranged in the storage cavity. Active connection L-shaped support block.

In the aforementioned toilet wheelchair for the elderly, the L-shaped support block includes a hinge block hinged on the top of the storage cavity, the hinge block is provided with a support rod, the top of the support rod is provided with a buffer layer, and the buffer layer is a rubber layer. or foam layer; the hinge block is also provided with an adjustment rod, the adjustment rod is provided with a first long through hole, and the positioning block is provided with a second long through hole corresponding to the first long through hole The first long through hole and the second long through hole are provided with adjustment bolts.

Compared with the prior art, the present invention has the following beneficial effects:

1. Walking wheels are installed on both sides of the wheelchair frame body in the present invention through the lifting adjustment mechanism, and the height of the wheelchair frame body can be adjusted through the lifting adjustment mechanism, so as to facilitate the docking of the wheelchair frame body with toilets of different heights; the wheelchair frame body There is a stand-up mechanism on the top, which can help the elderly to get up. When the stand-up mechanism works, first push the rotating rod upward through the electric push rod, and the rotating rod turns upward, and at the same time drives the lifting frame to move up along the backrest. The armpit support on the lifting frame lifts and lifts the upper body of the elderly to complete the standing up action for the elderly, wherein the seat plate opening mechanism is provided to open and close the seat plate main body. The toilet is combined to greatly reduce the help of others in the process of going to the toilet for the elderly or people with inconvenience, and the elderly can sit directly on the toilet to go to the toilet, which greatly enhances the elderly's toilet experience.

2. The lifting adjustment mechanism in the present invention includes a pair of vertically downward limit slide bars arranged on the wheelchair frame body, and a height adjustment block is slidable between the pair of limit slide bars, and the walking wheels pass through bearings. It is installed on the height-adjusting block; the wheelchair frame body is provided with a vertical downward screw, the screw is sleeved with a threaded barrel, the bottom of the threaded barrel is fixed with the top of the height-adjusting block, and the wheelchair frame body is provided with a threaded barrel. There is a drive motor, and the output shaft of the drive motor is connected with the shaft end of the screw rod. In the process of raising and lowering the wheelchair frame body, the screw rod is first driven to rotate by the drive motor, so that the threaded barrel on the screw rod moves up and down. , so as to drive the height-adjusting block to move up and down along the limit slider to realize the adjustment of the height of the height-adjusting block. Because the walking wheel is installed on the height-adjusting block, the position of the walking wheel can be adjusted, so as to realize the adjustment of the wheelchair. The height of the frame as a whole can be adjusted.

3. In the present invention, two sides of the front end of the wheelchair frame body are hinged with connecting frames that are inclined downward, and the top of the connecting frame is installed with front wheels, which play a supporting role, so that the wheelchair frame will not be caused when the stand-up action is completed. The body rolls over, increasing the overall safety. A linkage mechanism is arranged between the connecting frame and the height-adjusting block, and the linkage mechanism includes a sliding rod which is arranged on the wheelchair frame body through the fixing frame and is laterally arranged, and a first sliding block is arranged on the sliding rod; A first connecting rod is arranged between the connecting frame and the first sliding block, and a second connecting rod is arranged between the height-adjusting block and the sliding block. When the height of the traveling wheel is adjusted, the moving height-adjusting block is The first sliding block is pushed to move along the sliding rod by the second connecting rod, and the moving first sliding block drives the connecting frame to rotate downward through the first connecting rod, so as to adjust the height of the front wheel and realize the walking wheel. Synchronous adjustment with the height of the front wheel increases overall stability.

4. The seat plate opening mechanism in the present invention includes a vertically downward positioning frame arranged on the wheelchair frame body. The positioning frame is provided with a screw rod, and the screw rod is provided with a second sliding block. The slider is connected with the main body of the seat plate through the connecting piece; the top of the positioning frame is provided with a servo motor, and the output shaft of the servo motor is connected with the shaft end of the screw rod. When the main body of the seat plate is pulled and closed, the The servo motor drives the screw to rotate, and the rotating screw drives the second slider to move up and down along the screw, and the second slider is connected to the main body of the seat plate through the connecting piece, which drives the main body of the seat plate to move, and moves the main body of the seat plate from the main body of the seat plate. The second seat plate slideway is brought into the first seat plate slideway to realize the opening of the seat plate body, and the seat plate body can also be brought into the second seat plate slideway from the first seat plate slideway to realize the opposite sitting. The closing of the main body of the board has the characteristics of easy operation.

5. The underarm support in the present invention includes a pair of vertical strip-shaped positioning blocks respectively arranged on both sides of the lifting frame, and a pair of positioning blocks is matched with a storage cavity, and the L-shaped support is movably connected in the storage cavity. The L-shaped support block includes a hinge block hinged on the top of the receiving cavity, the hinge block is provided with a support rod, the top of the support rod is provided with a buffer layer, and the buffer layer is a rubber layer or a foam layer; the hinge The block is also provided with an adjustment rod, the adjustment rod is provided with a first elongated through hole, the positioning block is provided with a second elongated through hole corresponding to the first elongated through hole, and the first elongated through hole is arranged on the positioning block. The through hole and the second through hole are provided with adjustment bolts. When the underarm support is opened, the adjustment bolt is moved to the second through hole by sliding the adjustment bolt along the second through hole. At this time, the L-shaped support block is opened to lift the armpit of the human body.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the side view of the present invention;

Fig. 3 is the structural schematic diagram of the lifting adjustment mechanism;

Fig. 4 is the structural representation of linkage mechanism;

Fig. 5 is the structural schematic diagram of the underarm support;

Fig. 6 is the enlarged view of A place in Fig. 5;

Fig. 7 is the structural representation of L-shaped support block;

Fig. 8 is the structural representation of the backrest;

FIG. 9 is a schematic view of the structure of the seat plate opening mechanism.

1-Wheelchair frame body; 2-Walking wheel; 3-Lifting adjustment mechanism; 4-Get up mechanism; 5-Guide rail; 6-Backrest; 7-Lifting frame; -Rotary lever; 11-Second seat plate slideway; 12- Seat plate main body; 13- Electric push rod; 14- Seat plate opening mechanism; 15-Axillary support; 16-Limit slide bar; block; 18-screw; 19-threaded barrel; 20-drive motor; 21-connecting frame; 22-front wheel; 23-linkage mechanism; 24-slide rod; 25-first slider; 26-first connecting rod ;27-Second link; 28-Positioning frame; 29-Screw; 30-Second slider; 31-Servo motor; 32-Slide plate; 33-Limit slider; 34-Positioning block; 35-L type Support block; 36-hinged block; 37-support rod; 38-adjustment rod; 39-first long through hole; 40-adjustment bolt; 41-second long through hole.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and embodiments, but not as a basis for limiting the present invention.

Example: an elderly toilet wheelchair, as shown in Figures 1-7, includes a wheelchair frame body 1, and walking wheels 2 are installed on both sides of the wheelchair frame body 1 through a lifting adjustment mechanism 3; A stand-up mechanism 4 is provided, and the stand-up mechanism 4 includes horizontally arranged guide rails 5 arranged on both sides of the bottom of the wheelchair frame body 1, and a vertically upward backrest 6 is slidably arranged between the two guide rails 5, and a sliding set on the backrest 6 is provided. There is a lifting frame 7; both sides of the front end of the wheelchair frame body 1 are provided with vertically downward positioning plates 8, and the positioning plate 8 is provided with a first seat plate slideway 9 arranged oppositely; the lifting frame 7 is connected to the positioning plate 8. A rotating rod 10 is hinged between the plates 8 , the inner side of the rotating rod 10 is provided with a second sitting board slideway 11 corresponding to the first sitting board slideway 9 , and a sitting board is provided between the two second sitting board slideways 11 . The main body 12; an electric push rod 13 is arranged between the rotating rod 10 and the wheelchair frame body 1; the wheelchair frame body 1 is provided with a seat plate opening mechanism 14; the lifting frame is provided with an armpit support 15. In the present invention, both sides of the wheelchair frame body 1 are installed with walking wheels 2 through the lifting adjustment mechanism 3, and the height of the wheelchair frame body 1 can be adjusted through the lifting adjustment mechanism 3, so as to facilitate the docking of the wheelchair frame body 1 with toilets of different heights The wheelchair frame body 1 is provided with a stand-up mechanism 4, which can help the elderly to get up through the stand-up mechanism 4. When the stand-up mechanism 4 is working, the rotating rod 10 is first pushed upward by the electric push rod 13, and the rotating rod 10 is turned upside down, while driving The lifting frame 7 moves upward along the backrest 6, and the upper body of the elderly is lifted and lifted by using the underarm supports 15 on the rising lifting frame 7 to complete the standing up action for the elderly, wherein by setting the seat plate opening mechanism 14, To open and close the main body 12 of the seat board, the present invention can combine the wheelchair with the toilet, so that the elderly or people with inconvenience can greatly reduce the help of others in the process of going to the toilet, and the elderly can directly sit on the toilet to perform such as The toilet greatly enhances the toilet experience of the elderly.

As shown in FIG. 2 , the lifting adjustment mechanism 3 includes a pair of vertically downward limiting slide bars 16 arranged on the wheelchair frame body 1 , and a height adjusting block 17 is slidably arranged between the pair of limiting slide bars 16 . , the walking wheel 2 is mounted on the height-adjusting block 17 through the bearing; the wheelchair frame body 1 is provided with a vertical downward screw 18, and the screw 18 is sleeved with a threaded barrel 19, and the bottom of the threaded barrel 19 is connected to the adjustment The top of the high block 17 is fixed, the wheelchair frame body 1 is provided with a drive motor 20, and the output shaft of the drive motor 20 is connected to the shaft end of the screw 18 in a driving manner. First, the screw 18 is driven by the drive motor 20 to rotate, and then The threaded barrel 19 on the screw 18 moves up and down, thereby driving the height adjustment block 17 to move up and down along the limit slide bar 16 to realize the adjustment of the height of the height adjustment block 17, because the walking wheel 2 is installed on the height adjustment block 17. , the position of the running wheel 2 can be adjusted, so as to realize the adjustment of the overall height of the wheelchair frame body 1 .

As shown in FIG. 4 , two sides of the front end of the wheelchair frame body 1 are respectively hinged with connecting frames 21 that are inclined downward, and the top of the connecting frame 21 is installed with front wheels 22, which play a supporting role, so that when the getting up action is completed, , it will not cause the wheelchair frame body 1 to roll over, which increases the overall safety. A linkage mechanism 23 is provided between the connecting frame 21 and the height-adjusting block 17 .

The linkage mechanism 23 includes a sliding rod 24 which is arranged on the wheelchair frame body 1 through a fixed frame and is laterally arranged. The sliding rod 24 is provided with a first sliding block 25; A first connecting rod 26 is arranged between them, and a second connecting rod 27 is arranged between the height-adjusting block 17 and the slider 25; when the height of the traveling wheel 2 is adjusted, the moving height-adjusting block 17 passes through the second connecting rod 27. The second connecting rod 27 pushes the first sliding block 25 to move along the sliding rod 24 , and the moving first sliding block 25 drives the connecting frame 21 to rotate downward through the first connecting rod 26 to adjust the height of the front wheel 22 , realizes the synchronous adjustment of the height of the traveling wheel 2 and the front wheel 22, and increases the overall stability.

As shown in FIG. 9 , the seat plate opening mechanism 14 includes a vertically downward positioning frame 28 disposed on the wheelchair frame body 1 . The positioning frame 28 is provided with a screw rod 29 , and the screw rod 29 is provided with a second sliding Block 30, the second sliding block 30 is connected to the main body 12 of the seat plate through the connecting piece; the top of the positioning frame 28 is provided with a servo motor 31, and the output shaft of the servo motor 31 is connected to the shaft end of the lead screw 29 , when the main body 1 of the seat plate is pulled and closed, the screw rod 29 is driven to rotate by the servo motor 31, and the rotating screw rod 29 drives the second slider 30 to move up and down along the screw rod 29, and the second slider 30 passes through the screw rod 29. The connecting piece is connected to the seat plate main body 12 , then drives the seat plate main body 12 to move, and brings the seat plate main body 12 from the second seat plate slideway 11 into the first seat plate slideway 9 to realize the opening of the seat plate body 1 , the seat plate main body 12 can also be brought into the second seat plate slideway 12 from the first seat plate slideway 9 to realize the closing of the seat plate main body 12 , which is convenient for operation.

As shown in FIG. 6 , the backrest 6 is provided with a slide plate 32 with a limit chute, and the lift frame 7 is provided with a limit slide bar 33 matched with the slide plate 32 , so that the lift frame 7 can move along the backrest. 6 to move up and down.

The seat plate main body 12 is composed of a plurality of strip-shaped seat plates connected by connecting pairs, which is convenient for pulling and pulling the seat plate main body 12 .

As shown in FIG. 5 , the underarm support 15 includes a pair of vertical strip-shaped positioning blocks 34 respectively disposed on both sides of the lifting frame 7 , and a pair of positioning blocks 34 is matched with a receiving cavity, and the receiving cavity The L-shaped support block 35 is movably connected inside.

As shown in FIG. 7 , the L-shaped support block 35 includes a hinge block 36 hinged on the top of the receiving cavity. The hinge block 36 is provided with a support rod 37 , and the top of the support rod 37 is provided with a buffer layer, and the buffer layer It is a rubber layer or a foam layer, which improves the comfort; the hinge block 36 is also provided with an adjusting rod 38, the adjusting rod 38 is provided with a first long through hole 39, and the positioning block 34 is provided with The second elongated through hole 41 corresponding to the first elongated through hole 39, the first elongated through hole 39 and the second elongated through hole 41 are provided with adjustment bolts 40, which are opened to the underarm support 15 When the adjustment bolt 40 is slid along the second elongated through hole 41, the adjustment bolt 40 is moved to the bottom of the second elongated through hole 41. At this time, the L-shaped support block 35 is opened to lift the armpit of the human body. .

Working principle: The wheelchair frame body 1 in the present invention is installed with walking wheels 2 through the lifting adjustment mechanism 3, and the height of the wheelchair frame body 1 can be adjusted through the lifting adjustment mechanism 3, which is convenient for the wheelchair frame body 1 and different heights. The toilet is docked; when adjusting the height of the lifting adjustment mechanism 3, firstly, the screw 18 is driven by the driving motor 20 to rotate, and then the threaded barrel 19 on the screw 18 moves up and down, thereby driving the height-adjusting block 17 along the limit slide bar 16 Move up and down to adjust the height of the height-adjusting block 17. Since the walking wheel 2 is installed on the height-adjusting block 17, the position of the walking wheel 2 can be adjusted, so as to realize the adjustment of the overall height of the wheelchair frame 1. ,

In addition, the wheelchair frame body 1 is provided with a stand-up mechanism 4, which can help the elderly to get up. When the stand-up mechanism 4 is working, the rotating rod 10 is first pushed upward by the electric push rod 13, and the rotating rod 10 is turned upside down and drives the The lifting frame 7 moves upward along the backrest 6, and the upper body of the elderly is lifted and lifted by using the underarm supports 15 on the rising lifting frame 7 to complete the standing up action for the elderly, wherein by setting the seat plate opening mechanism 14, To open and close the main body 12 of the seat board, the present invention can combine the wheelchair with the toilet, so that the elderly or people with inconvenience can greatly reduce the help of others in the process of going to the toilet, and the elderly can directly sit on the toilet to perform such as The toilet greatly enhances the toilet experience of the elderly.

Claims (9)

1. An elderly toilet wheelchair, characterized in that it comprises a wheelchair frame body (1), and walking wheels (2) are installed on both sides of the wheelchair frame body (1) through a lifting adjustment mechanism (3); the wheelchair frame body The upper part (1) is provided with a stand-up mechanism (4), the stand-up mechanism (4) comprises horizontally arranged guide rails (5) arranged on both sides of the bottom of the wheelchair frame body (1), and slides between the two guide rails (5). A vertical upward backrest (6) is provided, and a lift frame (7) is slidably arranged on the backrest (6); vertical downward positioning plates (8) are arranged on both sides of the front end of the wheelchair frame body (1), The positioning plate (8) is provided with a first seat plate slideway (9) arranged oppositely; a rotating rod (10) is hinged between the lifting frame (7) and the positioning plate (8), and the rotating rod (10) The inner side is provided with a second seat plate slideway (11) corresponding to the first seat plate slideway (9), and a seat plate main body (12) is arranged between the two second seat plate slideways (11); the rotating An electric push rod (13) is arranged between the rod (10) and the wheelchair frame body (1); the wheelchair frame body (1) is provided with a seat plate opening mechanism (14); the lifting frame is provided with an armpit support (15). 2 . The wheelchair for the elderly according to claim 1 , wherein the lifting adjustment mechanism ( 3 ) comprises a pair of vertically downward limit slide bars ( 16 ) arranged on the wheelchair frame body ( 1 ). 3 . ), a height-adjusting block (17) is slidably arranged between a pair of limit slide bars (16), and the walking wheel (2) is mounted on the height-adjusting block (17) through a bearing; the wheelchair frame body (1) There is a vertical downward screw (18), a screw barrel (19) is sleeved on the screw (18), the bottom of the screw barrel (19) is fixed with the top of the height-adjusting block (17), the wheelchair frame The body (1) is provided with a drive motor (20), and the output shaft of the drive motor (20) is in driving connection with the shaft end of the screw (18). 3 . The wheelchair for the elderly according to claim 2 , characterized in that: the two sides of the front end of the wheelchair frame body ( 1 ) are respectively hinged with connecting frames ( 21 ) that are inclined downward, and the top of the connecting frame ( 21 ) is hinged. A front wheel (22) is installed, and a linkage mechanism (23) is arranged between the connecting frame (21) and the height-adjusting block (17). 4 . The wheelchair for the elderly according to claim 3 , wherein the linkage mechanism ( 23 ) comprises a sliding rod ( 24 ) which is arranged on the wheelchair frame body ( 1 ) via a fixed frame and is arranged laterally, 4 . A first sliding block (25) is arranged on the sliding rod (24); a first connecting rod (26) is arranged between the connecting frame (21) and the first sliding block (25), and the height adjusting block (17) ) and the slider (25) is provided with a second connecting rod (27). 5 . The wheelchair for the elderly according to claim 1 , wherein the seat plate opening mechanism ( 14 ) comprises a vertically downward positioning frame ( 28 ) arranged on the wheelchair frame body ( 1 ). A screw rod (29) is arranged in the frame (28), and a second slider (30) is arranged on the screw rod (29), and the second slider (30) is connected with the seat plate main body (12) through a connecting piece; The top of the positioning frame (28) is provided with a servo motor (31), and the output shaft of the servo motor (31) is connected with the shaft end of the lead screw (29). 6. The wheelchair for the elderly according to claim 1, characterized in that: the backrest (6) is provided with a sliding plate (32) with a limit chute, and the lifting frame (7) is provided with a sliding plate (32) The matching limit slider (33). 7 . The toilet wheelchair for the elderly according to claim 1 , wherein the seat plate main body ( 12 ) is composed of a plurality of strip-shaped seat plates connected by connecting pairs. 8 . 8. The wheelchair for the elderly according to claim 1, characterized in that: the armpit support (15) comprises a pair of vertical strip-shaped positioning blocks ( 34), a pair of positioning blocks (34) is fitted with a storage cavity, and the L-shaped support block (35) is movably connected in the storage cavity. 9 . The wheelchair for the elderly according to claim 8 , wherein the L-shaped support block ( 35 ) comprises a hinge block ( 36 ) hinged on the top of the storage cavity, and a support rod is provided on the hinge block ( 36 ). (37), the top of the support rod (37) is provided with a buffer layer, the buffer layer is a rubber layer or a foam layer; the hinge block (36) is also provided with an adjustment rod (38), the adjustment rod (38) is provided with a first elongated through hole (39), and the positioning block (34) is provided with a second elongated through hole (41) corresponding to the first elongated through hole (39). Adjustment bolts (40) are pierced through the first elongated through hole (39) and the second elongated through hole (41).