A wheelchair for the disabled and the elderly

Abstract

The utility model relates to the technical field of wheelchairs, and specifically discloses an auxiliary wheelchair for the care of disabled old people, which comprises a wheelchair, a backrest, a restraint belt and a connecting rope, the surface of the backrest is provided with a sliding groove, the rear end of the backrest is fixedly connected with a mounting bracket, the top of the mounting bracket is fixedly installed with a driving motor, a screw rod is rotatably installed in the mounting bracket, the rear end of the backrest is slidably installed with a lifting plate, the two sides of the lifting plate are fixedly connected with a connecting block one and a connecting block two respectively, one end of the connecting rope is fixedly connected with an adjusting block, the restraint belt and the connecting rope can enclose the disabled old people, preventing the disabled old people from sliding off the wheelchair, the height of the lifting plate and the restraint belt can be adjusted by controlling the rotation of the screw rod through the driving motor, which facilitates the use of people of different heights, the fixation of the restraint belt can be released by pushing the pressing plate, the size of the enclosure of the restraint belt can be adjusted by sliding the restraint belt, and the tightness of the restraint belt can be conveniently adjusted.

Description

Technical Field

[0001] This utility model relates to the field of wheelchair technology, specifically to a wheelchair for assisting the care of disabled elderly people. Background Technology

[0002] my country's aging population is becoming increasingly serious, with a growing number of elderly people, a large portion of whom lack self-care abilities and cannot independently perform tasks such as eating, dressing, getting in and out of bed, using the toilet, and bathing. This has become a significant problem for their children to care for them. Wheelchairs can assist in the daily lives of disabled elderly people.

[0003] In the prior art, such as Chinese Patent Publication No. CN222055774U, an assistive wheelchair device is disclosed, including a support base and a support frame; a plurality of movable wheels are rotatably connected to the support base, and a plurality of drive motors are fixedly installed on the support base. The output shaft of the drive motor is fixedly connected to the movable wheels, and the drive motor is used to drive the movable wheels to rotate; the support frame is slidably connected to the support base through a plurality of telescopic rods, and a gear transmission lifting assembly is installed on the support base. The gear transmission lifting assembly is used to adjust the height of the support frame, and a seat cushion is fixedly installed on the support frame.

[0004] The aforementioned patented technology adjusts the height of the seat cushion on the support frame through a gear-driven lifting assembly, effectively reducing the difficulty for users to sit on the seat cushion and improving the flexibility of the wheelchair. However, since the wheelchair has no fixed structure, when traveling on a downhill slope or encountering bumps, the disabled elderly person, lacking self-care ability, may experience a forward tilting of their body, which could lead to a serious risk of slipping off the wheelchair, increasing safety hazards. Utility Model Content

[0005] In view of the shortcomings of the existing technology, this utility model provides a wheelchair for the care of disabled elderly people, which solves the problems mentioned in the background technology.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: a wheelchair for assisting the care of disabled elderly, comprising a wheelchair, a backrest, a restraint strap, and a connecting rope. The wheelchair and the backrest are fixedly connected. The surface of the backrest has two sliding grooves, and the rear side of the backrest has a positioning groove. A mounting frame is fixedly connected to the rear end of the backrest. A drive motor is fixedly installed on the top of the mounting frame. A lead screw is rotatably installed inside the mounting frame. A lifting plate is slidably installed at the rear end of the backrest. Connecting block one and connecting block two are fixedly connected to both sides of the lifting plate, respectively. The surface of connecting block one is fixedly connected to the rear end of the restraint strap, and the surface of connecting block two is fixedly connected to the rear end of the connecting rope. Several locking holes are equidistantly opened on the top of the restraint strap. An adjusting block is fixedly connected to one end of the connecting rope. A pressing plate is slidably installed on the top of the adjusting block. A through hole is opened on one side of the outer wall of the adjusting block, and a cavity is opened inside the adjusting block.

[0007] Preferably, the first connecting block and the second connecting block are slidably installed inside the two sliding grooves, and a limit block is fixedly installed on the surface of the lifting plate, and the limit block is slidably installed inside the positioning groove.

[0008] Preferably, the output end of the drive motor is fixedly connected to the top of the lead screw, and the inner wall of the lifting plate is threadedly connected to the outer surface of the lead screw.

[0009] Preferably, the shape of the restraint strap matches the shape of the through hole, and the restraint strap slides through the interior of the through hole.

[0010] Preferably, the cavity is provided with a movable plate, and a locking block is fixedly connected to the bottom of the movable plate, with the bottom end of the locking block extending downward into the interior of the through hole.

[0011] Preferably, a connecting rod is rotatably mounted on the bottom of the pressing plate, a guide rod is fixedly mounted inside the cavity, springs are fixedly sleeved at both ends of the guide rod, and two sliders are slidably mounted on the surface of the adjusting block.

[0012] Preferably, the top end of the slider is rotatably connected to the bottom end of the connecting rod, the bottom end of the slider is rotatably connected to a rotating rod, and the bottom end of the rotating rod is rotatably connected to the top of the movable plate.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. In this utility model, the combination of restraint straps and connecting ropes can protect disabled elderly people and prevent them from slipping off their wheelchairs. By cooperating with the lead screw and the lifting plate, the height of the lifting plate can be adjusted by driving the motor to control the rotation of the lead screw, thereby adjusting the height of the restraint straps and connecting ropes together, making it convenient for people of different heights to use for protection.

[0015] 2. In this utility model, the restraint strap can be fixed by the locking and limiting of the locking block. Through the cooperation between the pressing plate and the movable plate, pushing the pressing plate downward can cause the locking block to retract into the cavity. The locking block can release the restraint strap by disengaging from the locking hole. The restraint strap can slide inside the adjusting block to adjust the size of the restraint strap, making the tightness of the restraint strap easy to adjust. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main three-dimensional structure of a wheelchair for assisting the care of disabled elderly people proposed in this utility model;

[0017] Figure 2 This is a three-dimensional structural diagram of the backrest end of a wheelchair for assisting the care of disabled elderly people proposed in this utility model;

[0018] Figure 3 This is a schematic diagram of the restraint strap installation structure of a wheelchair for assisting the care of disabled elderly people proposed in this utility model;

[0019] Figure 4 This is a schematic cross-sectional view of the adjustment block structure of an assistive wheelchair for disabled elderly people proposed in this utility model.

[0020] In the diagram: 1. Wheelchair; 2. Backrest; 21. Mounting frame; 22. Drive motor; 23. Lead screw; 201. Sliding groove; 202. Positioning groove; 3. Restraint strap; 301. Locking hole; 4. Connecting rope; 5. Lifting plate; 51. Connecting block one; 52. Connecting block two; 53. Limiting block; 6. Adjusting block; 601. Through hole; 602. Cavity; 61. Pressing plate; 62. Connecting rod; 63. Guide rod; 64. Spring; 65. Slider; 66. Rotating rod; 7. Movable plate; 71. Locking block. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1

[0023] like Figures 1-4As shown, this utility model provides a technical solution: a wheelchair for assisting the care of disabled elderly people, including a wheelchair 1, a backrest 2, a restraint strap 3, and a connecting rope 4. The wheelchair 1 and the backrest 2 are fixedly connected. The surface of the backrest 2 has two sliding grooves 201, and the rear side of the backrest 2 has a positioning groove 202. A mounting frame 21 is fixedly connected to the rear end of the backrest 2. A drive motor 22 is fixedly installed on the top of the mounting frame 21. A lead screw 23 is rotatably installed inside the mounting frame 21. A lifting plate 5 is slidably installed at the rear end of the backrest 2. Connecting block 1 51 and connecting block 2 52 are fixedly connected to both sides of the lifting plate 5, respectively. The surface of connecting block 1 51 is fixedly connected to the rear end of the restraint strap 3. The surface of connecting block 2 52 is fixedly connected to the rear end of connecting rope 4. Several locking holes 301 are equidistantly opened on the top of the binding strap 3. One end of connecting rope 4 is fixedly connected to adjusting block 6. Pressing plate 61 is slidably installed on the top of adjusting block 6. A through hole 601 is opened on one side of the outer wall of adjusting block 6. A cavity 602 is opened inside adjusting block 6. Connecting block 1 51 and connecting block 2 52 are slidably installed inside the two sliding grooves 201 respectively. Limiting block 53 is fixedly installed on the surface of lifting plate 5. Limiting block 53 is slidably installed inside the positioning groove 202. The output end of drive motor 22 is fixedly connected to the top of lead screw 23. The inner wall of lifting plate 5 is threadedly connected to the outer surface of lead screw 23.

[0024] In this embodiment, the adjusting block 6 installed at one end of the connecting rope 4 can lock and fix the restraint strap 3, thereby connecting and fixing the connecting rope 4 and the restraint strap 3, which can provide protection for disabled elderly people. The screw rod 23 is threadedly connected to the lifting plate 5, so that the rotation of the screw rod 23 can drive the lifting plate 5 to move up and down. The restraint strap 3 and the connecting rope 4 are respectively connected to the first connecting block 51 and the second connecting block 52, so that the movement of the lifting plate 5 can control the height of the restraint strap 3 to suit elderly people of different heights. The limiting block 53 is installed inside the positioning groove 202 and can slide, which can improve the stability of the lifting plate 5 during the movement process.

[0025] Example 2

[0026] like Figures 1-4 As shown, the shape of the restraint strap 3 matches the shape of the through hole 601. The restraint strap 3 slides through the interior of the through hole 601. A movable plate 7 is provided inside the cavity 602. A locking block 71 is fixedly connected to the bottom of the movable plate 7. The bottom end of the locking block 71 extends downward into the interior of the through hole 601. A connecting rod 62 is rotatably installed on the bottom of the pressing plate 61. A guide rod 63 is fixedly installed inside the cavity 602. Springs 64 are fixedly sleeved at both ends of the surface of the guide rod 63. Two sliders 65 are slidably installed on the surface of the adjusting block 6. The top end of the slider 65 is rotatably connected to the bottom end of the connecting rod 62. A rotating rod 66 is rotatably connected to the bottom end of the slider 65. The bottom end of the rotating rod 66 is rotatably connected to the top of the movable plate 7.

[0027] In this embodiment, the restraint strap 3 is installed inside the sliding groove 201 so that it can slide. The locking hole 301 at the top of the restraint strap 3 cooperates with the locking block 71 to lock and fix the restraint strap 3, so that the restraint strap 3 can be fixed for use to protect the disabled elderly. The upper and lower ends of the connecting rod 62 are connected to the pressing plate 61 and the slider 65 respectively, so that when the pressing plate 61 moves down, it can drive the slider 65 to move. The spring 64 can make the slider 65 return to its original position after moving. The upper and lower ends of the rotating rod 66 are connected to the slider 65 and the movable plate 7 respectively, so that when the slider 65 moves, it can drive the movable plate 7 to move upward. Removing the locking block 71 from the locking hole 301 can release the fixation of the restraint strap 3, so that the restraint strap 3 can slide freely, thereby facilitating the adjustment of the protection length of the restraint strap 3 for use by disabled elderly people of different body types.

[0028] Working principle: The disabled elderly person can perform basic daily movements by sitting in wheelchair 1. The backrest 2 provides support. Activating the drive motor 22 rotates the lead screw 23, adjusting the height of the lifting plate 5 and aligning the restraint strap 3 and connecting rope 4 to a suitable height. Then, by pushing down the pressing plate 61, the pressing plate 61 descends, causing the connecting rod 62 to rotate and the slider 65 to slide outwards. Simultaneously, this compresses the spring 64 on the surface of the guide rod 63, causing the rotating rod 66 to be compressed by the sliding spring. The pulling of block 65 lifts the movable plate 7 downwards, causing the locking block 71 to move upwards into the cavity 602. Then, the restraint strap 3 slides through the through hole 601. The restraint strap 3 and the connecting rope 4 are adjusted to a suitable length. The pressing plate 61 is released, causing the spring 64 to rebound. At this time, the movable plate 7 and the locking block 71 move back together. The locking block 71 moves down and embeds into the locking hole 301 to limit and fix the restraint strap 3, so that the restraint strap 3 can be fixed for use in protecting disabled elderly people. It can also be used by disabled elderly people of different heights and body types.

[0029] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A wheelchair for assisting the care of disabled elderly people, characterized in that: The system includes a wheelchair (1), a backrest (2), restraint straps (3), and connecting ropes (4). The wheelchair (1) and the backrest (2) are fixedly connected. The surface of the backrest (2) has two sliding grooves (201). The rear side of the backrest (2) has a positioning groove (202). A mounting bracket (21) is fixedly connected to the rear end of the backrest (2). A drive motor (22) is fixedly mounted on the top of the mounting bracket (21). A lead screw (23) is rotatably mounted inside the mounting bracket (21). A lifting plate (5) is slidably mounted on the rear end of the backrest (2). Connecting block one (51) and connecting block two (52) are fixedly connected to each side respectively. The surface of connecting block one (51) is fixedly connected to the rear end of the restraint strap (3), and the surface of connecting block two (52) is fixedly connected to the rear end of the connecting rope (4). Several locking holes (301) are equidistantly opened on the top of the restraint strap (3). An adjusting block (6) is fixedly connected to one end of the connecting rope (4). A pressing plate (61) is slidably installed on the top of the adjusting block (6). A through hole (601) is opened on one side of the outer wall of the adjusting block (6), and a cavity (602) is opened inside the adjusting block (6).

2. The assistive wheelchair for disabled elderly people according to claim 1, characterized in that: The first connecting block (51) and the second connecting block (52) are respectively slidably installed inside the two sliding grooves (201), and the surface of the lifting plate (5) is fixedly installed with a limiting block (53), which is slidably installed inside the positioning groove (202).

3. The assistive wheelchair for disabled elderly people according to claim 1, characterized in that: The output end of the drive motor (22) is fixedly connected to the top of the lead screw (23), and the inner wall of the lifting plate (5) is threadedly connected to the outer surface of the lead screw (23).

4. The assistive wheelchair for disabled elderly people according to claim 1, characterized in that: The shape of the binding band (3) matches the shape of the through hole (601), and the binding band (3) slides through the interior of the through hole (601).

5. The assistive wheelchair for disabled elderly people according to claim 1, characterized in that: The cavity (602) is provided with a movable plate (7), and a locking block (71) is fixedly connected to the bottom of the movable plate (7). The bottom end of the locking block (71) extends downward into the interior of the through hole (601).

6. The assistive wheelchair for disabled elderly people according to claim 1, characterized in that: A connecting rod (62) is rotatably installed at the bottom of the pressing plate (61), a guide rod (63) is fixedly installed inside the cavity (602), and springs (64) are fixedly sleeved at both ends of the surface of the guide rod (63). Two sliders (65) are slidably installed on the surface of the adjusting block (6).

7. The assistive wheelchair for disabled elderly people according to claim 6, characterized in that: The top end of the slider (65) is rotatably connected to the bottom end of the connecting rod (62), and the bottom end of the slider (65) is rotatably connected to a rotating rod (66), and the bottom end of the rotating rod (66) is rotatably connected to the top of the movable plate (7).

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