CN115024904A - Wheelchair with self-service wearing and taking-off assisting function - Google Patents

Abstract

The invention discloses a wheelchair with a self-service donning and doffing auxiliary function, which mainly relates to the field of medical equipment. Including the wheelchair body, first installation shells are respectively provided on both sides of the seat cushion, the top of the first installation shell near one end of the backrest is provided with a support plate, and the two sides of the backrest are respectively provided with a second installation shell vertically, and the second installation shell rotates in the second installation shell. There is a screw, the screw penetrates the transmission plate and is threadedly connected with the transmission plate, a connecting plate is slid in the chute, and the other end of the connecting plate is connected with the corresponding side support plate; the side of the installation shell close to the seat cushion is provided with a guide groove, which slides in the guide groove A connecting rod is provided, a driving mechanism is arranged in the mounting shell, a U-shaped plate is provided at one end of the connecting rod outside the mounting shell, and the inner side of the U-shaped plate is provided with a plurality of hook components along the contour. The invention has the beneficial effects that: the operation of putting on and taking off the pants can be assisted by the patient, and the process is more convenient and labor-saving, and the work intensity and fatigue of the nursing staff can be effectively reduced, which is beneficial to nursing use.

Description

A wheelchair with self-service donning and doffing assistance

technical field

The invention relates to the field of medical devices, in particular to a wheelchair with a self-service donning and doffing auxiliary function.

Background technique

Wheelchairs are chairs with wheels that can help replace walking, and are divided into electric and manual folding wheelchairs. It is an important mobile tool for the wounded, sick, and disabled at home, for home rehabilitation, turnover transportation, medical treatment, and outings. Wheelchairs not only meet the needs of the physically handicapped and the disabled, but more importantly, they are convenient for family members to move and take care of patients. Allow patients to use wheelchairs for physical exercise and participation in social activities.

Wheelchair users need help from their caregivers when putting on and taking off their trousers due to their inconvenient legs and feet. However, the energy of the nursing staff is limited, and sometimes the nursing staff cannot assist the patient to put on and take off the trousers in time when preparing meals or washing clothes. It is often necessary to pick up the patient before taking off or putting on the pants, which greatly consumes the physical strength of the nursing staff and is not conducive to nursing use.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a wheelchair with a self-service donning and doffing assist function, which enables the patient to assist in the operation of putting on and taking off the trousers, so that when the nursing staff cannot take off the body, the wheelchair can be put on and off in time, and The process is more convenient and labor-saving, can effectively reduce the work intensity of nursing staff, reduce fatigue, and is conducive to nursing use.

The present invention is achieved by the following technical solutions in order to achieve the above object:

A wheelchair with self-service donning and doffing assistance functions, comprising a wheelchair body, a seat cushion and a backrest are arranged on the wheelchair body, and first installation shells are respectively provided on both sides of the seat cushion, and the first installation shell is close to one end of the backrest The top of the backrest is provided with armrests, the armrests are provided with support plates, the two sides of the backrest are respectively provided with second mounting shells vertically, and the second mounting shells are rotated with screw rods, and the second mounting shells are A transmission plate is arranged in the inner sliding, the screw rod penetrates through the transmission plate and is threadedly connected with the transmission plate, the side of the second installation shell close to the seat cushion is provided with a vertical chute, and a connecting plate is slidably arranged in the chute, One end of the connecting plate is connected with the transmission plate, the other end of the connecting plate is connected with the corresponding side support plate, the side of the backrest away from the seat cushion is provided with a first motor, the first motor is connected with a transmission shaft, and the Both ends of the transmission shaft penetrate through the two sides of the installation shell respectively and are connected with the screw drive;

The side of the mounting shell close to the seat cushion is provided with a guide groove, a connecting rod is slidably arranged in the guide groove, a driving mechanism is provided in the mounting shell, and one end of the connecting rod located in the mounting shell is connected with the driving mechanism, One end of the connecting rod outside the mounting shell is provided with a U-shaped plate, the inner side of the U-shaped plate is provided with a plurality of hook components along the contour, and the openings of the U-shaped plates on both sides are opposite.

Further, the first motor is drive-connected to the transmission shaft through meshing bevel gears, and the end of the drive shaft and the screw are drive-connected through a worm gear mechanism.

Further, the first installation shell is in an inverted L shape, and the included angle between the lateral direction and the vertical direction of the first installation shell is greater than 90 degrees.

Further, the guide groove includes a first guide groove and a second guide groove, the first guide groove is close to the backrest and the shape conforms to the curve of the human body buttocks and is arranged in a front low and rear high shape, and the second guide groove is installed with the first guide groove. The shape of the shell fits in an inverted L shape.

Further, the drive mechanism includes a rack plate disposed on the side of the first installation shell away from the guide groove, the rack plate is adapted to the shape of the guide groove, and one end of the connecting rod located in the first installation shell is disposed. There is a second motor, and the output end of the second motor is provided with a gear that meshes with the rack plate.

Further, a limit mechanism connected to the second motor is also arranged in the first installation shell.

Further, the limiting mechanism includes a guide rail located at the top of the first installation shell and arranged along the outline of the first installation shell, a slider is slid on the guide rail, and a telescopic rod is arranged at the bottom of the slider, and the telescopic rod is arranged on the bottom of the slider. The bottom end of the rod is connected with the second motor.

Further, the hook assembly includes a hook, the hook is in an inverted T shape, and the two ends of the hook horizontal plate are oriented in the sliding direction of the connecting rod.

Further, the hook is provided with a splint, the splint is movably connected with the horizontal plate of the hook, a spring is provided on the side of the splint away from the horizontal plate of the hook, and the other end of the spring is connected with the U-shaped plate.

Further, the support plate is embedded on the armrest.

Compared with the prior art, the beneficial effects of the present invention are:

The first motor drives the screw to rotate through the transmission shaft, so that the transmission plate connected with the screw thread slides up and down in the second installation shell, and finally drives the support plate to move up and down, lift the patient's armpit and lift the patient to a certain height, so as to make the buttocks move up and down. Hanging in the air, it is convenient to put on and take off the trousers, and then the connecting rod is driven to slide along the guide groove in the guide groove by the driving mechanism in the first installation shell, and the external position of the waistband of the trousers is fixed by the hook component on the U-shaped plate at the outer end of the connecting rod. Drive the waist part of the trousers to move along the guide groove, and the length and shape of the first installation shell can completely fit the patient's buttocks and legs, complete the putting on and take off of the pants, and realize the patient's self-help to put on and take off the pants, when the nursing staff is busy with other things , so that the patient can put on and take off the pants in time, and the whole process is convenient and labor-saving, and the nursing staff does not need to carry the patient to carry out the putting on and take off operation, which saves the physical strength of the nursing staff, reduces the labor intensity of the nursing staff, and is convenient for nursing use.

Description of drawings

1 is a schematic structural diagram of the present invention.

Figure 2 is a schematic structural diagram of the present invention.

FIG. 3 is a cross-sectional view of the front structure of the present invention.

Figure 4 is a sectional view of the side structure of the present invention.

FIG. 5 is a cross-sectional view of the internal structure of the first installation shell of the present invention.

Figure 6 is a schematic diagram of the hook structure of the present invention.

Symbols shown in the attached drawings:

1. Wheelchair body; 2. Seat cushion; 3. Backrest; 4. First installation shell; 5. Armrest; 6. Support plate; 7. Second installation shell; 8. Screw; 9. Transmission plate; 10. Chute; 11, connecting plate; 12, first motor; 13, transmission shaft; 14, guide groove; 15, connecting rod; 16, U-shaped plate; 17, first guide groove; 18, second guide groove; 19, rack plate; 20, second motor; 21, gear; 22, guide rail; 23, slider; 24, telescopic rod; 25, hook; 26, splint; 27, spring; 28, worm gear mechanism.

Detailed ways

The present invention will be further described below in conjunction with specific embodiments. It should be understood that these examples are only used to illustrate the present invention and not to limit the scope of the present invention. In addition, it should be understood that after reading the teaching content of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the present application.

The present invention is a wheelchair with a self-service donning and doffing auxiliary function. The main structure includes a wheelchair body 1. The wheelchair body 1 is provided with a seat cushion 2 and a backrest 3, and two sides of the seat cushion 2 are respectively provided with a first Mounting shell 4, the first mounting shell 4 can cover the buttocks and legs of the patient, and the shape of the first mounting shell 4 matches the shape of the buttocks and legs of the patient to form an inverted L shape, and the first mounting shell 4 has an inverted L shape. The horizontal and vertical angles are greater than 90 degrees to ensure that the pants can be put on or taken off along the legs and buttocks when putting on and taking off the pants. The top of the first installation shell 4 near one end of the backrest 3 is provided with an armrest 5, The armrests 5 are provided with support plates 6, and the support plates 6 are used to support the patient's armpit, thereby lifting the patient to a certain height. A screw 8 is rotatably provided in the second installation shell 7, and a transmission plate 9 is slidably arranged in the second installation shell 7. The screw 8 penetrates the transmission plate 9 and is threadedly connected with the transmission plate 9. The second installation shell 7 A vertical chute 10 is opened on the side close to the seat cushion 2, and a connecting plate 11 is slidably arranged in the chute 10. One end of the connecting plate 11 is connected to the transmission plate 9, and the other end of the connecting plate 11 is connected to the corresponding side. The supporting plate 6 is connected, and the transmission plate 9 and the supporting plate 6 are linked through the connecting plate 11. The side of the backrest 3 away from the seat cushion 2 is provided with a first motor 12, and the first motor 12 is connected with a transmission shaft through a transmission component. 13. The present invention selects the way in which the first motor 12 is connected to the transmission shaft 13 through meshing bevel gears, and the two ends of the transmission shaft 13 respectively penetrate through the second installation shells 7 on both sides and are connected with the screw 8 through transmission components. , the present invention selects the way in which the end of the transmission shaft 13 is connected with the screw 8 through the worm gear mechanism 28, and the first motor 12 drives the transmission shaft 13 to rotate, so that both ends of the transmission shaft 13 drive the screw 8 to rotate, and then drive the screw 8 to rotate. The threaded drive plate 9 moves up and down, and finally drives the support plate 6 to move up and down, so that the support plate 6 supports the patient's armpit to lift the patient to a certain height or put it down, so that the patient's buttocks can be suspended in the air, so as to complete the operation of putting on and taking off the pants;

A guide groove 14 is opened on the side of the first installation shell 4 close to the seat cushion 2, and the guide groove 14 is in conformity with the shape of the first installation shell 4, and also conforms to the curve of the buttocks and legs of the human body when the buttocks are suspended in the sitting posture state. , length, a connecting rod 15 is slidably arranged in the guide groove 14, a driving mechanism is arranged in the first installation shell 4, and one end of the connecting rod 15 located in the first installation shell 4 is connected with the driving mechanism. The mechanism makes the connecting rod 15 slide along the guide groove 14 in the guide groove 14. The end of the connecting rod 15 outside the first installation shell 4 is provided with a U-shaped plate 16, and the two side plates of the U-shaped plate 16 are respectively located on the patient's legs. The upper and lower sides of the upper and lower sides of the U-shaped plate 16 are provided with a plurality of hooking components along the contour, and the openings of the U-shaped plates 16 on both sides are opposite, and the hooking components on both sides are used to connect and fix the waist of the pants. On both sides of the outside, the trousers putting on and taking off can be driven by the U-shaped plate 16 to move along the guide groove 14, and because the shape of the guide groove 14 fits the curve of the buttocks and legs of the human body when the buttocks are suspended in the sitting position, it can make the wearing and taking off of the trousers along the edge of the guide groove 14. It moves along the curve of the hips and legs of the human body, so as to realize the putting on and taking off of the pants.

Preferably, the guide groove 14 includes a first guide groove 17 and a second guide groove 18. The first guide groove 17 is close to the backrest 3 and the shape conforms to the curve of the buttocks of the human body. The groove 18 fits the shape of the first installation shell 4 and is in an inverted L shape, so that the guide groove 14 fits the curve of the hips and legs of the human body as a whole, so as to ensure that the putting on and taking off of the trousers can move along the curve of the buttocks and legs of the human body, so as to ensure the smooth and smooth process of putting on and taking off the pants. .

Preferably, the drive mechanism includes a rack plate 19 disposed in the first installation shell 4 on the side away from the guide groove 14 , the rack plate 19 is in conformity with the shape of the guide groove 14 , and the rack plate 19 is located in the guide groove 14, the end of the connecting rod 15 located in the first installation shell 4 is provided with a second motor 20, and the output end of the second motor 20 is provided with a gear 21 meshing with the rack plate 19, the U-shaped plate After the 16 is connected to the trousers, it can prevent the second motor 20 from rotating to a certain extent, so as to ensure that the gear 21 can move on the rack plate 19 after rotating, so as to realize the driving movement of the connecting rod 15, thereby realizing The U-shaped plate 16 moves along the guide groove 14 .

Preferably, the first installation shell 4 is further provided with a limit mechanism connected to the second motor 20 to further prevent the rotation of the second motor 20 and ensure the smooth rotation and movement of the gear 21 on the rack plate 19 .

Preferably, the limiting mechanism includes a guide rail 22 located at the top of the first installation shell 4 and along the contour of the first installation shell 4 . The outline of the guide rail 22 is the same as that of the second guide groove 18 , and the guide rail 22 adopts an inverted T shape. , a slider 23 is slid on the guide rail 22, the slider 23 adopts a concave shape, and the bottom of the slider 23 is provided with a telescopic rod 24, and the bottom end of the telescopic rod 24 is connected with the second motor 20, and the telescopic rod 24 It is fixedly connected with the second motor 20, and the telescopic rod 24 can move together with the second motor 20 through the guide rail 22 to prevent the rotation of the second motor 20 itself during use, ensure the normal rotation of the gear 21, and ensure that the gear 21 is in the rack plate. 19 , while the telescopic function of the telescopic rod 24 does not hinder the sliding of the connecting rod 15 in the first guide groove 17 .

Preferably, the hook assembly includes a hook 25, the hook 25 is in an inverted T shape, and the two ends of the horizontal plate of the hook 25 are oriented in the sliding direction of the connecting rod 15, so that the hook is in the direction of taking off the pants or the direction of wearing the pants. It can be hooked to the pants, which is more convenient to use and ensures the realization of the function of wearing and taking off the pants.

Preferably, the hook 25 is provided with a splint 26, the splint 26 is movably connected with the horizontal plate of the hook 25, and the splint 26 can be slidably connected to the hook 25, or can be hinged on the hook 25, so that the splint 26 and the hook 25 The horizontal plates can be opened and closed. The splint 26 is provided with a spring 27 on one side of the horizontal plate away from the hook 25. The other end of the spring 27 is connected with the U-shaped plate 16. The spring 27 can make the splint 26 and the hook 25 The horizontal plate firmly clamps the trousers, so that when the trousers are hooked by the hook 25, they can be further clamped by the splint 26, which further ensures the firmness of the connection between the U-shaped plate 16 and the trousers, and prevents the trousers from falling during the process of putting on and taking off the trousers. .

Preferably, the support plate 6 is embedded on the armrest 5, so that after the support plate 6 is embedded with the armrest 5, the surface of the support plate 6 is flush with the surface of the armrest 5, so as to ensure the comfort of the patient to rest on, and at the same time the support plate 6 Not protruding settings can also prevent patients from bumping, which also increases safety to a certain extent.

The invention can realize the self-help of the patient to put on and take off the pants. When the nursing staff is busy with other things, the patient can put on and take off the pants by themselves in time, and the whole process is convenient and labor-saving. It can reduce the labor intensity of nursing staff and facilitate nursing use.

Claims (10)

1. The utility model provides a wheelchair with self-service wearing and taking off auxiliary function, includes wheelchair main part (1), be equipped with cushion (2), back (3) on wheelchair main part (1), its characterized in that: the seat cushion is characterized in that first installation shells (4) are arranged on two sides of the seat cushion (2) respectively, handrails (5) are arranged at the tops of the first installation shells (4) close to one end of the backrest (3), supporting plates (6) are arranged on the handrails (5), second installation shells (7) are vertically arranged on two sides of the backrest (3) respectively, screw rods (8) are arranged in the second installation shells (7) in a rotating mode, driving plates (9) are arranged in the second installation shells (7) in a sliding mode, the screw rods (8) penetrate through the driving plates (9) and are in threaded connection with the driving plates (9), vertical sliding grooves (10) are formed in one sides, close to the seat cushion (2), of the second installation shells (7), connecting plates (11) are arranged in the sliding grooves (10), one ends of the connecting plates (11) are connected with the driving plates (9), the other ends of the connecting plates (11) are connected with the corresponding side supporting plates (6), a first motor (12) is arranged on one side, away from the seat cushion (2), of the backrest (3), the first motor (12) is in transmission connection with a transmission shaft (13), and two ends of the transmission shaft (13) penetrate through the second mounting shells (7) on the two sides respectively and then are in transmission connection with the screw (8);

one side that first installation shell (4) are close to cushion (2) is opened there is guide slot (14), it is equipped with connecting rod (15) to slide in guide slot (14), be equipped with actuating mechanism in first installation shell (4), the one end that connecting rod (15) are located first installation shell (4) is connected with actuating mechanism, the one end that connecting rod (15) are located outside first installation shell (4) is equipped with U-shaped board (16), U-shaped board (16) medial surface is equipped with a plurality of hook subassemblies along the profile, both sides the opening of U-shaped board (16) is relative.

2. The wheelchair with the self-service auxiliary function of putting on and taking off of claim 1, wherein: the first motor (12) is in transmission connection with a transmission shaft (13) through a meshed bevel gear, and the end part of the transmission shaft (13) is in transmission connection with the screw (8) through a worm and gear mechanism (28).

3. The wheelchair with the self-service auxiliary function of putting on and taking off of claim 1, wherein: first installation shell (4) are for falling L shape, just the horizontal and vertical contained angle of first installation shell (4) is greater than 90 degrees.

4. The wheelchair with the self-service auxiliary function of putting on and taking off of claim 3, wherein: the guide groove (14) comprises a first guide groove (17) and a second guide groove (18), the first guide groove (17) is close to the backrest (3) and is arranged in a shape matched with the curve of the buttocks of a human body to be in a front-low and rear-high shape, and the second guide groove (18) is matched with the first mounting shell (4) in a shape of an inverted L.

5. The wheelchair with the self-service auxiliary function of putting on and taking off of claim 1, wherein: actuating mechanism is including setting up rack plate (19) of keeping away from guide slot (14) one side in first installation shell (4), rack plate (19) suit with guide slot (14) shape, the one end that connecting rod (15) are located first installation shell (4) is equipped with second motor (20), the output of second motor (20) is equipped with gear (21) with rack plate (19) meshing.

6. The wheelchair with the self-service auxiliary function of putting on and taking off of claim 5, wherein: and a limiting mechanism connected with a second motor (20) is further arranged in the first mounting shell (4).

7. The wheelchair with the self-service auxiliary function of putting on and taking off of claim 6, wherein: stop gear is including being located first installation shell (4) top and along guide rail (22) that first installation shell (4) contour line set up, it is equipped with slider (23) to slide on guide rail (22), slider (23) bottom is equipped with telescopic link (24), telescopic link (24) bottom is connected with second motor (20).

8. The wheelchair with the self-service auxiliary function of putting on and taking off of claim 1, wherein: the hook subassembly includes couple (25), couple (25) are the shape of falling T, the orientation at couple (25) diaphragm both ends is the slip direction of connecting rod (15).

9. The wheelchair with self-service putting-on and taking-off assisting function according to claim 8, characterized in that: be equipped with splint (26) on couple (25), the diaphragm swing joint of splint (26) and couple (25), one side that couple (25) diaphragm was kept away from in splint (26) is equipped with spring (27), the spring (27) other end is connected with U-shaped plate (16).

10. The wheelchair with the self-service auxiliary function of putting on and taking off of claim 1, wherein: the supporting plate (6) is embedded on the handrail (5).

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