Anti-falling walking aid device

Abstract

The utility model belongs to the technical field of walking assisting devices, and particularly relates to an anti-falling walking assisting device which comprises a supporting frame, a transverse rod is fixedly installed on the inner side of the supporting frame, supporting legs are fixedly installed at the bottom of the supporting frame, the number of the supporting legs is four, an adjusting mechanism is arranged at the bottoms of the supporting legs, and the transverse rod is fixedly installed on the transverse rod. The adjusting mechanism comprises a sliding groove, the sliding groove is formed in the bottoms of the two supporting legs on the front side, the inner wall of the sliding groove is rotationally connected with a rotating rod, the inner wall of the rotating rod is in threaded connection with an adjusting rod, and a first bevel gear is fixedly installed on the surface of the rotating rod. By arranging the adjusting mechanism, the supporting height of the two front supporting legs can be adjusted according to the inclination degree of the slope, the supporting frame and the old person are kept in the horizontal position, and therefore the gravity center shift of the old person is reduced, the walking difficulty of the old person is reduced, and the walking safety of the old person on the slope is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of walking assistance devices, in particular to a falling prevention and walking assistance device. Background Art

[0002] A walking assist device is a device that helps people who are unable to walk normally due to old age, frailty or illness to walk independently. Common walking assist devices include wheelchairs, crutches and walkers. Walkers can be divided into wheelless and wheeled types. Their function is to maintain standing body balance, support body weight, train walking and increase muscle strength. When assisting the walking of the elderly, a fall-prevention walking device is used.

[0003] A walking assist device usually consists of a support frame and support legs. The elderly person supports the support frame with both hands, lifts the support legs and moves forward, and supports the elderly person's hands through the support frame and the support legs, making it convenient for the elderly person to walk, thereby assisting the elderly person's walking. When the elderly person walks on a slope, the supporting legs are at the same level, causing the walking assist device to tilt, causing the elderly person to be affected by the slope when supporting, resulting in a shift in the center of gravity, which hinders the elderly person's walking and increases the difficulty of walking. At the same time, due to the shift in the center of gravity, the elderly person is likely to fall, reducing the elderly person's safety. Utility Model Content

[0004] In order to make up for the shortcomings of the existing technology, when an elderly person walks on a sloping road, the supporting legs are at the same level, causing the walking assist device to tilt, which causes the elderly person to be affected by the slope when supporting, resulting in a shift in the center of gravity, which hinders the elderly person's walking and increases the difficulty of walking. At the same time, due to the shift in the center of gravity, the elderly person is likely to fall, reducing the safety of the elderly person. The utility model proposes an anti-fall walking aid device.

[0005] The technical solution adopted by the utility model to solve the technical problem is: an anti-fall walking aid device, comprising a support frame, a cross bar is fixedly installed on the inner side of the support frame, a support leg is fixedly installed on the bottom of the support frame, the number of the support legs is four, and an adjustment mechanism is arranged at the bottom of the support leg;

[0006] The adjusting mechanism includes a sliding groove, which is opened at the bottom of the two front supporting legs. The inner wall of the sliding groove is rotatably connected with a rotating rod, and the inner wall of the rotating rod is threadedly connected with an adjusting rod. A first bevel gear is fixedly installed on the surface of the rotating rod. A rotating hole is opened at the top of the cross bar, and a connecting rod is rotatably connected to the inner wall of the rotating hole. Both ends of the connecting rod pass through the inner cavity of the sliding groove, and both ends of the connecting rod are fixedly installed with a second bevel gear. The teeth of the first bevel gear and the second bevel gear are meshed with each other. A rotating column is fixedly installed on the surface of the connecting rod, and both ends of the rotating column are in contact with the inner side of the cross bar.

[0007] Preferably, a positioning groove is provided on the inner side of the cross bar, and the number of the positioning grooves is several. Fixed grooves are provided at both ends of the rotating column. The inner cavity of the fixed groove is slidably connected with a positioning button. The inner wall of the fixed groove is provided with a spring, one end of the spring is fixedly installed on the inner wall of the fixed groove, and the other end of the spring is fixedly installed on the surface of the positioning button. The surface of the positioning button is slidably connected to the inner cavity of the positioning groove.

[0008] Preferably, an extension rod is fixedly mounted on the inner side of the support frame, the number of the extension rods is two, a support plate is provided on the top of the extension rod, an elastic clip is fixedly mounted on the bottom of the support plate, and the inner side of the elastic clip is in contact with the surface of the extension rod.

[0009] Preferably, an extension rod is fixedly installed on the inner side of the support frame, and the number of the extension rods is two. A soft pad is fixedly installed on the top of the support plate, and the soft pad is made of sponge.

[0010] Preferably, a stopper is fixedly mounted on one end of the adjusting rod, and a surface of the stopper contacts the inner wall of the rotating rod.

[0011] Preferably, foot pads are fixedly mounted on the bottom of the adjustment rod and the bottoms of the two rear support legs, and the foot pads are made of polyurethane material.

[0012] Preferably, a friction pad is fixedly mounted on the surface of the rotating column, and the friction pad is made of rubber.

[0013] The utility model is beneficial in that:

[0014] The utility model is provided with an adjustment mechanism, which can adjust the support height of the two front support legs according to the inclination of the slope, so that the support frame and the elderly maintain a horizontal position, thereby reducing the center of gravity shift of the elderly, reducing the difficulty of walking for the elderly, and increasing the safety of the elderly walking on the slope. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the sliding slot and the extension rod of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the adjustment mechanism of the utility model;

[0019] Figure 4 It is a structural exploded view of the positioning groove, fixing groove, spring and positioning button of the utility model.

[0020] In the figure: 1. support frame; 2. cross bar; 3. support leg; 4. adjustment mechanism; 401. sliding groove; 402. rotating rod; 403. adjusting rod; 404. first bevel gear; 405. rotating hole; 406. connecting rod; 407. second bevel gear; 408. rotating column; 5. positioning groove; 6. fixing groove; 7. positioning button; 8. spring; 9. extension rod; 10. support plate; 11. elastic clip; 12. soft pad; 13. stopper; 14. foot pad; 15. friction pad. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The following is combined with Figure 1-4 To further explain this application in detail,

[0023] The present application embodiment discloses a fall prevention and walking aid device. Figure 1 , Figure 2 and Figure 3 A fall prevention and walking aid device comprises a support frame 1, a cross bar 2 is fixedly installed on the inner side of the support frame 1, a support leg 3 is fixedly installed on the bottom of the support frame 1, the number of the support legs 3 is four, and an adjustment mechanism 4 is arranged at the bottom of the support leg 3;

[0024] The adjusting mechanism 4 includes a sliding groove 401, which is opened at the bottom of the two front supporting legs 3. The inner wall of the sliding groove 401 is rotatably connected with a rotating rod 402, and the inner wall of the rotating rod 402 is threadedly connected with an adjusting rod 403. A first bevel gear 404 is fixedly installed on the surface of the rotating rod 402. A rotating hole 405 is opened at the top of the cross bar 2. A connecting rod 406 is rotatably connected to the inner wall of the rotating hole 405. Both ends of the connecting rod 406 pass through the inner cavity of the sliding groove 401. Both ends of the connecting rod 406 are fixedly installed with a second bevel gear 407. The teeth of the first bevel gear 404 and the second bevel gear 407 are meshed with each other. A rotating column 408 is fixedly installed on the surface of the connecting rod 406, and both ends of the rotating column 408 are in contact with the inner side of the cross bar 2.

[0025] Reference Figure 4 , a positioning groove 5 is provided on the inner side of the cross bar 2, and the number of the positioning grooves 5 is several. Both ends of the rotating column 408 are provided with a fixing groove 6, and the inner cavity of the fixing groove 6 is slidably connected with a positioning button 7. The inner wall of the fixing groove 6 is provided with a spring 8, one end of the spring 8 is fixedly installed on the inner wall of the fixing groove 6, and the other end of the spring 8 is fixedly installed on the surface of the positioning button 7, and the surface of the positioning button 7 is slidably connected with the inner cavity of the positioning groove 5. Through the sliding connection between the positioning groove 5 and the positioning button 7, when the rotating column 408 is rotating, the positioning button 7 will first contact the inner side of the cross bar 2, squeezing the positioning button 7 into the inner cavity of the fixing groove 6, and at the same time squeeze the spring 8. When the opening of the fixing groove 6 coincides with the opening of the positioning groove 5, the reaction force of the spring 8 pushes part of the positioning button 7 into the inner cavity of the positioning groove 5, and the other part of the positioning button 7 is in the inner cavity of the fixing groove 6, completing the angle limitation of the rotating column 408 after rotation, and preventing the rotating column 408 from deflecting;

[0026] Reference Figure 1 An extension rod 9 is fixedly installed on the inner side of the support frame 1, and the number of the extension rods 9 is two. A support plate 10 is arranged on the top of the extension rod 9, and an elastic clip 11 is fixedly installed on the bottom of the support plate 10. The inner side of the elastic clip 11 contacts the surface of the extension rod 9. By setting the extension rod 9, the support plate 10 can be supported. By fixing the position of the support plate 10 by the elastic clip 11, the support frame 1 and the support plate 10 can form a chair, which is convenient for the elderly to rest. When the support plate 10 is not used, the elastic clip 11 contacts the inner side of the support frame 1, so that the support plate 10 can be fixed on the extension rod 9 and the support frame 1, so as to avoid blocking the elderly when walking.

[0027] Reference Figure 1An extension rod 9 is fixedly installed on the inner side of the support frame 1, and the number of the extension rods 9 is two. A cushion 12 is fixedly installed on the top of the support plate 10. The cushion 12 is made of sponge. By setting the cushion 12, when the elderly sit on the support plate 10, the cushion 12 contacts the elderly's buttocks, increasing the softness of the support plate 10 and increasing the comfort of the elderly when sitting down.

[0028] Reference Figure 3 A stopper 13 is fixedly mounted on one end of the adjusting rod 403, and the surface of the stopper 13 contacts the inner wall of the rotating rod 402. By setting the stopper 13, the downward movement distance of the adjusting rod 403 can be limited to prevent the adjusting rod 403 from being separated from the inner cavity of the rotating rod 402;

[0029] Reference Figure 1 The bottom of the adjustment rod 403 and the bottom of the two rear support legs 3 are fixedly installed with foot pads 14, which are made of polyurethane material. By setting the foot pads 14, the contact area between the support legs 3 and the adjustment rod 403 and the ground is increased, thereby further increasing the stability of the support frame 1 in assisting the elderly to walk. The foot pads 14 are made of polyurethane material, which combines wear resistance and softness to provide better support and comfort.

[0030] Reference Figure 1 and Figure 3 A friction pad 15 is fixedly installed on the surface of the rotating column 408. The friction pad 15 is made of rubber. By providing the friction pad 15, the friction between the elderly's hand and the rotating column 408 can be increased, making it easier for the elderly to rotate the rotating column 409.

[0031] Working principle: When in use, the elderly hold the support frame 1 with their hands, and through the support of the supporting legs 3 and the ground, the legs are reduced from directly touching the ground to bear the entire weight of the body, thereby achieving assisted walking for the elderly. When the elderly walk on a slope, they rotate the rotating column 408, and the rotation of the rotating column 408 drives the connecting rod 406 to rotate, which can make the second bevel gear 407 start to rotate, and through the mutual engagement of the first bevel gear 404 and the second bevel gear 407, the rotating rod 402 is driven to rotate in the inner cavity of the sliding groove 401, thereby driving the adjusting rod 403 to telescope and adjust in the inner cavity of the rotating rod 402, and can make the support frame 1 and the elderly's body in a horizontal position according to the slope of the slope, reduce the inclination of the elderly's body, reduce the deflection of the elderly's center of gravity, so that the elderly can move up and down the slope with more stability, thereby increasing the safety of the elderly's walking.

[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A fall prevention and walking aid device, characterized in that: It comprises a support frame (1), a cross bar (2) is fixedly mounted on the inner side of the support frame (1), a support leg (3) is fixedly mounted on the bottom of the support frame (1), the number of the support legs (3) is four, and an adjustment mechanism (4) is arranged at the bottom of the support leg (3); The adjusting mechanism (4) comprises a sliding groove (401), wherein the sliding groove (401) is provided at the bottom of the two front supporting legs (3), the inner wall of the sliding groove (401) is rotatably connected to a rotating rod (402), the inner wall of the rotating rod (402) is threadedly connected to an adjusting rod (403), a first bevel gear (404) is fixedly mounted on the surface of the rotating rod (402), a rotating hole (405) is provided on the top of the cross bar (2), and the rotating hole (405) is ) is rotatably connected to the inner wall of the cross bar (2), and both ends of the connecting rod (406) extend through the inner cavity of the sliding groove (401). Both ends of the connecting rod (406) are fixedly mounted with a second bevel gear (407), and the teeth of the first bevel gear (404) and the second bevel gear (407) are meshed with each other. A rotating column (408) is fixedly mounted on the surface of the connecting rod (406), and both ends of the rotating column (408) are in contact with the inner side of the cross bar (2).

2. The anti-fall walking aid device according to claim 1, characterized in that: A positioning groove (5) is provided on the inner side of the cross bar (2), and the number of the positioning grooves (5) is several. Fixed grooves (6) are provided on both ends of the rotating column (408). The inner cavity of the fixed groove (6) is slidably connected with a positioning button (7). The inner wall of the fixed groove (6) is provided with a spring (8), one end of the spring (8) is fixedly installed on the inner wall of the fixed groove (6), and the other end of the spring (8) is fixedly installed on the surface of the positioning button (7). The surface of the positioning button (7) is slidably connected with the inner cavity of the positioning groove (5).

3. The anti-fall walking aid device according to claim 1, characterized in that: An extension rod (9) is fixedly mounted on the inner side of the support frame (1), and the number of the extension rods (9) is two. A support plate (10) is arranged on the top of the extension rod (9), and an elastic clip (11) is fixedly mounted on the bottom of the support plate (10), and the inner side of the elastic clip (11) is in contact with the surface of the extension rod (9).

4. The anti-fall walking aid device according to claim 3, characterized in that: A soft pad (12) is fixedly mounted on the top of the support plate (10), and the soft pad (12) is made of sponge.

5. The anti-fall walking aid device according to claim 1, characterized in that: A stopper (13) is fixedly mounted on one end of the adjusting rod (403), and a surface of the stopper (13) is in contact with an inner wall of the rotating rod (402).

6. The anti-fall walking aid device according to claim 1, characterized in that: The bottom of the adjustment rod (403) and the bottom of the two rear support legs (3) are both fixedly mounted with foot pads (14), and the foot pads (14) are made of polyurethane material.

7. The anti-fall walking aid device according to claim 1, characterized in that: A friction pad (15) is fixedly mounted on the surface of the rotating column (408), and the friction pad (15) is made of rubber.

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