Anti-falling wheelchair for old people

Abstract

The utility model provides an anti-falling wheelchair for old people, which relates to the technical field of wheelchairs and comprises a wheelchair seat plate and a wheelchair support fixed on the bottom surface of the wheelchair seat plate, anti-falling components are arranged on the wheelchair seat plate and the wheelchair support, and auxiliary components are arranged on the anti-falling components. According to the anti-falling wheelchair for old people, when old people stand up, sliding rods are pressed downwards to enable the bottom faces of supporting blocks to make contact with the ground, the contact area between the wheelchair and the ground is increased, and therefore the wheelchair can be fixed, and the problem that the old people fall down when standing up due to the fact that a wheelchair body slides backwards is solved; when the supporting blocks make contact with the ground, micro air cylinders are started, the micro air cylinders can push the sliding blocks to move downwards along the sliding rods, the sliding blocks can move to push the supporting legs and the non-slip mats to rotate and extend outwards till the non-slip mats make contact with the ground, and therefore the contact area of the supporting blocks can be increased; and the use stability of the anti-falling assembly is further improved.

Description

Technical Field

[0001] The utility model relates to a wheelchair, in particular to an anti - falling wheelchair for the elderly, belonging to the technical field of wheelchairs. Background Art

[0002] Nowadays, most young people are busy with work and have no time and energy to take care of their parents and elders, making nursing homes the preferred option for supporting the elderly. Nursing homes have relatively complete configurations in many aspects such as the daily diet and living of the elderly, the monitoring of physical and mental health status, emergency measures for sudden diseases, and the recuperation of common diseases of the elderly, and can provide a good living environment for the elderly. For the elderly with inconvenient legs and feet and difficulty walking, they use wheelchairs to assist walking, thus facilitating their movement.

[0003] In an anti - falling wheelchair for geriatric specialties disclosed in the Chinese Patent Application Publication Specification CN216222053U, a limiting mechanism installed outside the connecting shaft can realize the release and fixation of the connecting shaft. The limiting groove in the limiting mechanism extends into the clamping groove and abuts against the inside of the clamping groove to fix the connecting shaft. At the same time, the clamping grooves are evenly distributed outside the fixing plate, so that the free adjustment of the backrest angle can be realized, facilitating the elderly to choose a suitable angle to lie down.

[0004] In the above - mentioned patent solution, if some elderly people have the desire to stand up alone, their hands will be placed on the armrests of the wheelchair body for support. Since the human body stands in front of the wheelchair after standing up, a supporting force needs to be applied to the lower rear of the wheelchair when standing up. During this process, the moving wheels on the wheelchair will roll, and the wheelchair is prone to slide backward, easily causing the elderly to fall when getting up and resulting in physical injuries to the elderly. Content of the Utility Model

[0005] The utility model provides an anti - falling wheelchair for the elderly, which can prevent the wheelchair from sliding backward when the elderly get up.

[0006] The utility model is realized through the following technical solutions: an anti - falling wheelchair for the elderly, including a wheelchair seat board and a wheelchair bracket fixed to the bottom surface of the wheelchair seat board. An anti - fall component is provided on the wheelchair seat board and the wheelchair bracket, and an auxiliary component is provided on the anti - fall component.

[0007] The anti - fall component includes a limiting block fixed to one side of the wheelchair seat board and the wheelchair bracket. A sliding rod is slidably connected to the inner wall of the limiting block. A support block is fixed to the bottom end of the sliding rod. A fixed ring is fixed to the outer surface of the sliding rod, and the fixed ring is located between the two limiting blocks. A telescopic spring is sleeved on the outer surface of the sliding rod, and the telescopic spring is located between the fixed ring and the limiting block fixed to the wheelchair bracket.

[0008] The auxiliary component includes a sliding block fixed on the outer surface of the sliding rod and a fixed block fixed on the outer surface of the support block, and the sliding block is located between the limit block fixed on the wheelchair bracket and the support block. A support leg is hinged on the outer surface of the sliding block. Both ends of the fixed block are rotatably connected to a linkage rod through a rotating shaft, and one side of the two linkage rods close to each other is rotatably connected to the support leg through a rotating shaft. An anti-slip pad is fixed at the bottom end of the support leg.

[0009] Further, a moving wheel is rotatably connected to one side of the wheelchair bracket, and a universal wheel is arranged at the bottom end of the wheelchair bracket, enabling the device to move.

[0010] Further, a pressing block is fixed at the top end of the sliding rod, which can prevent the palm from being injured when pressing the sliding rod.

[0011] Further, an armrest is fixed on the upper surface of the wheelchair seat board, and the height of the armrest is lower than that of the pressing block, which can support the elderly's arms.

[0012] Further, a controller is fixed on the upper surface of the armrest, and the controller is electrically connected to the micro cylinder, which can be used to control the start and stop of the micro cylinder.

[0013] Further, a fixing buckle is arranged on the wheelchair seat board, and a connecting belt is arranged on the fixing buckle, which can bundle and restrain the elderly's body to avoid the problem that the elderly lean forward and fall when the wheelchair suddenly stops during movement.

[0014] Further, a plurality of ventilation holes arranged in an equidistant manner are formed on the upper surface of the wheelchair seat board, which can ventilate and cool the back of the elderly. A blocking plate is fixed on the bottom surface of the wheelchair seat board, and a certain distance is left between the blocking plate and the ground, which can play a blocking role when the wheelchair tilts backward to avoid the elderly being injured due to the wheelchair tipping over.

[0015] The present utility model provides an anti-fall wheelchair for the elderly, and its beneficial effects are as follows:

[0016] 1. For this anti-fall wheelchair for the elderly, when the elderly stand up, by pressing the sliding rod downward, the bottom surface of the support block contacts the ground, increasing the contact area between the wheelchair and the ground, thereby being able to fix the wheelchair and prevent the elderly from falling when getting up due to the wheelchair sliding backward.

[0017] 2. For this anti-fall wheelchair for the elderly, when the support block contacts the ground, the micro cylinder is started. The micro cylinder can push the sliding block to move downward along the sliding rod. The movement of the sliding block can push the support leg and the anti-slip pad to rotate and extend outward until the anti-slip pad contacts the ground, thereby being able to increase the contact area of the support block and further improve the stability of the anti-fall component during use. Description of the Drawings

[0018] Figure 1 Schematic three - dimensional structure of the present utility model Figure 1 ;

[0019] Figure 2 Schematic three - dimensional structure of the present utility model Figure 2 ;

[0020] Figure 3 Schematic structural diagram of the anti - fall component and the auxiliary component in the present utility model;

[0021] Figure 4 Of the present utility model Figure 3 Schematic enlarged view of the structure at a certain part in the present utility model.

[0022] Description of reference numerals

[0023] 1, wheelchair seat board; 101, ventilation holes;

[0024] 2, wheelchair bracket;

[0025] 3, anti - fall component; 301, limit block; 302, sliding rod; 303, pressing block; 304, fixing ring; 305, telescopic spring; 306, support block;

[0026] 4, auxiliary component; 401, sliding block; 402, micro - cylinder; 403, support leg; 404, fixing block; 405, anti - slip pad; 406, linkage rod;

[0027] 5, moving wheel; 6, universal wheel; 7, fixing buckle; 8, connecting belt; 9, armrest; 10, blocking plate; 11, controller. Detailed implementation manners

[0028] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , embodiments of the present utility model provide an anti - fall wheelchair for the elderly, including a wheelchair seat board 1 and a wheelchair bracket 2 fixed to the bottom surface of the wheelchair seat board 1. A moving wheel 5 is rotatably connected to one side of the wheelchair bracket 2, and a universal wheel 6 is provided at the bottom end of the wheelchair bracket 2, which can enable the device to move. An anti - fall component 3 is provided on the wheelchair seat board 1 and the wheelchair bracket 2, and an auxiliary component 4 is provided on the anti - fall component 3.

[0029] The anti-fall component 3 includes a limit block 301 fixed to one side of the wheelchair seat board 1 and the wheelchair bracket 2. A sliding rod 302 is slidably connected to the inner wall of the limit block 301. A pressing block 303 is fixed to the top end of the sliding rod 302, which can prevent the palm from being injured when pressing the sliding rod 302. A support block 306 is fixed to the bottom end of the sliding rod 302. A fixing ring 304 is fixed to the outer surface of the sliding rod 302, and the fixing ring 304 is located between the two limit blocks 301. A telescopic spring 305 is sleeved on the outer surface of the sliding rod 302, and the telescopic spring 305 is located between the fixing ring 304 and the limit block 301 fixed to the wheelchair bracket 2.

[0030] When the elderly person stands up, by pressing the sliding rod 302 downward, the bottom surface of the support block 306 is in contact with the ground, increasing the contact area between the wheelchair and the ground, so as to fix the wheelchair. The movement of the sliding rod 302 will drive the fixing ring 304 to squeeze the telescopic spring 305, generating corresponding elastic force. When the elderly person completely stands up and releases the pressing block 303, under the action of the elastic force of the telescopic spring 305, the support block 306 can be separated from the ground to complete automatic reset.

[0031] Please refer specifically to Figure 4 The auxiliary component 4 includes a sliding block 401 fixed to the outer surface of the sliding rod 302 and a fixed block 404 fixed to the outer surface of the support block 306. The sliding block 401 is located between the limit block 301 fixed to the wheelchair bracket 2 and the support block 306. A support leg 403 is hinged to the outer surface of the sliding block 401. Both ends of the fixed block 404 are rotatably connected by a rotating shaft to a linkage rod 406. The two linkage rods 406 are rotatably connected to the support leg 403 by a rotating shaft on the side close to each other. An anti-slip pad 405 is fixed to the bottom end of the support leg 403.

[0032] When the support block 306 is in contact with the ground, the micro cylinder 402 is started. The micro cylinder 402 can push the sliding block 401 to move downward along the sliding rod 302. The movement of the sliding block 401 can push the support leg 403 and the anti-slip pad 405 to rotate and extend outwards until the anti-slip pad 405 is in contact with the ground, so as to increase the contact area of the support block 306 and further improve the stability of the anti-fall component 3 during use.

[0033] Please refer specifically to Figure 2 The upper surface of the wheelchair seat board 1 is fixed with an armrest 9, and the height of the armrest 9 is lower than that of the pressing block 303, which can support the elderly person's arm. A controller 11 is fixed to the upper surface of the armrest 9, and the controller 11 is electrically connected to the micro cylinder 402, which can be used to control the start and stop of the micro cylinder 402. The model of the controller 11 is Siemens S7-1200.

[0034] Please refer specifically to Figure 1 and Figure 2, a fixing buckle 7 is provided on the wheelchair seat board 1, and a connecting belt 8 is provided on the fixing buckle 7, which can bundle and restrain the old person's body to avoid the problem that the old person leans forward and falls when the wheelchair stops suddenly during movement. A plurality of ventilation holes 101 arranged in an equal line are opened on the wheelchair seat board 1, which can ventilate and cool the back of the old person. A blocking plate 10 is fixed to the bottom surface of the wheelchair seat board 1, and a certain distance is left between the blocking plate 10 and the ground, which can play a blocking role when the wheelchair tilts backward to avoid the old person being injured due to the wheelchair tipping over.

[0035] When the present utility model is in use: when the old person wants to stand up alone, the sliding rod 302 is pressed. The sliding rod 302 can drive the bottom surface of the support block 306 to contact the ground, increasing the contact area between the wheelchair and the ground, thereby being able to fix the wheelchair and prevent the problem that the old person falls when getting up due to the backward sliding of the wheelchair body. Then, when the support block 306 contacts the ground, the micro cylinder 402 is started. The micro cylinder 402 can push the sliding block 401 to move downward along the sliding rod 302. The movement of the sliding block 401 can push the support leg 403 and the anti-slip pad 405 to rotate and extend outward until the anti-slip pad 405 contacts the ground, thereby being able to increase the contact area of the support block 306 and further improve the stability of the anti-fall component 3 during use. Because the movement of the sliding rod 302 will drive the fixed ring 304 to squeeze the telescopic spring 305 to generate corresponding elastic force. When the old person completely stands up and releases the pressing block 303, the support block 306 can be separated from the ground under the action of the elastic force of the telescopic spring 305 to complete automatic reset.

[0036] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art of this industry should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A fall-proof wheelchair for the elderly, comprising a wheelchair seat (1) and a wheelchair bracket (2) fixed to the bottom surface of the wheelchair seat (1), characterized in that: The wheelchair seat plate (1) and the wheelchair support (2) are provided with an anti-fall component (3), and the anti-fall component (3) is provided with an auxiliary component (4); The anti-fall component (3) comprises a limit block (301) fixed to one side of the wheelchair seat plate (1) and the wheelchair support (2); the inner wall of the limit block (301) is slidably connected to a slide rod (302); a support block (306) is fixed to the bottom end of the slide rod (302); a fixing ring (304) is fixed to the outer surface of the slide rod (302), and the fixing ring (304) is located between the two limit blocks (301); the outer surface of the slide rod (302) is sleeved with a telescopic spring (305), and the telescopic spring (305) is located between the fixing ring (304) and the limit block (301) fixed on the wheelchair support (2); The auxiliary component (4) comprises a sliding block (401) fixed on the outer surface of the sliding rod (302) and a fixed block (404) fixed on the outer surface of the supporting block (306), and the sliding block (401) is located between the limiting block (301) fixed on the wheelchair bracket (2) and the supporting block (306), the outer surface of the sliding block (401) is hinged with a supporting leg (403), both ends of the fixed block (404) are rotatably connected to a linkage rod (406) via a rotating shaft, the adjacent sides of the two linkage rods (406) are rotatably connected to the supporting leg (403) via a rotating shaft, and the bottom end of the supporting leg (403) is fixed with an anti-slip pad (405).

2. The anti-fall wheelchair for the elderly according to claim 1, characterized in that: One side of the wheelchair support (2) is rotatably connected to a moving wheel (5), and the bottom end of the wheelchair support (2) is provided with a universal wheel (6).

3. The anti-fall wheelchair for the elderly according to claim 1, characterized in that: A pressing block (303) is fixed to the top end of the sliding rod (302).

4. The anti-fall wheelchair for the elderly according to claim 1, characterized in that: An armrest (9) is fixed to the upper surface of the wheelchair seat plate (1), and the height of the armrest (9) is lower than the pressing block (303).

5. The anti-fall wheelchair for the elderly according to claim 4, characterized in that: A controller (11) is fixed on the upper surface of the armrest (9), and the controller (11) is electrically connected to the micro cylinder (402).

6. The anti-fall wheelchair for the elderly according to claim 1, characterized in that: The wheelchair seat plate (1) is provided with a fixing buckle (7), and the fixing buckle (7) is provided with a connecting belt (8).

7. The anti-fall wheelchair for the elderly according to claim 1, characterized in that: The wheelchair seat plate (1) is provided with a plurality of ventilation holes (101) arranged in equal lines, and a blocking plate (10) is fixed to the bottom surface of the wheelchair seat plate (1), with a certain distance between the blocking plate (10) and the ground.

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