Folding walking aid

Abstract

The utility model relates to the technical field of medical instruments, in particular to a folding walking aid which is provided with a left supporting frame, a right supporting frame and a rear transverse connecting rod, the rear side of the left supporting frame is connected with the rear side of the right supporting frame through the rear transverse connecting rod, and the two ends of the rear transverse connecting rod are rotationally connected with the left supporting frame and the right supporting frame respectively. The left supporting frame and the right supporting frame are folded in a Z shape with the rear transverse connecting rod after rotating, and an unfolding positioner used for positioning and rotation stopping with the rear transverse connecting rod after the left supporting frame and the right supporting frame are unfolded is arranged between the left supporting frame and the rear transverse connecting rod and between the right supporting frame and the rear transverse connecting rod. The folding and storing device has the advantages of simple structure, good using effect, convenience in shaping, rapidness in folding and storing, high stability, strong self-care ability and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a foldable walker. Background Art

[0002] As we all know, the aging population is becoming more and more serious. The elderly account for more than 200 million, and this number is still increasing. The health care and self-care of the elderly have become a focus of social attention. The elderly are slow in movement and have reduced self-care ability. In serious cases, they need a companion to go to the hospital. Especially in the context of a shortage of human resources in contemporary society, many elderly people lack corresponding care, and related accidents may occur, which brings a lot of inconvenience to their lives.

[0003] At present, the existing walkers are generally pushed by semi-disabled elderly people to slide, and the walkers are short and small, so they need to bend over to walk, which can easily lead to tipping when the left and right hands exert uneven force. Moreover, the walkers are generally the width of a chair, which is very inconvenient to store. Summary of the invention

[0004] The purpose of the utility model is to solve the above-mentioned deficiencies of the prior art and to provide a foldable walker with simple structure, good use effect, convenient walking aid, fast folding and storage, high stability and strong self-care ability.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A foldable walker is provided with a left support frame, a right support frame and a rear transverse connecting rod. The rear sides of the left support frame and the right support frame are connected via the rear transverse connecting rod. The two ends of the rear transverse connecting rod are respectively rotatably connected to the left support frame and the right support frame. After the left support frame and the right support frame are rotated, they are folded in a Z shape with the rear transverse connecting rod. An unfolding positioner is provided between the left support frame and the right support frame and the rear transverse connecting rod for positioning and stopping the rotation of the left support frame and the right support frame with the rear transverse connecting rod after the left support frame and the right support frame are unfolded. The left support frame and the right support frame are positioned and fixed with the rear transverse connecting rod by the unfolding positioner.

[0007] The deployment positioner described in the utility model includes a left connecting tube, a right connecting tube and a positioning rod. The left connecting tube and the right connecting tube are respectively connected to the left supporting frame and the right supporting frame. The two ends of the positioning rod are respectively provided with locking balls. The left connecting tube and the right connecting tube are respectively provided with locking holes. The two ends of the positioning rod are respectively inserted into the left connecting tube and the right connecting tube for locking through the locking balls and the locking holes.

[0008] The left support frame and the right support frame of the utility model both include a front vertical rod, a rear vertical rod, a top connecting rod, and a middle connecting rod. The upper ends of the front vertical rod and the rear vertical rod are connected via the top connecting rod, the middle parts of the front vertical rod and the rear vertical rod are connected via the middle connecting rod, and the lower ends of the front vertical rod and the rear vertical rod are respectively connected to rollers.

[0009] The two ends of the rear transverse connecting rod of the utility model are rotatably connected with the rear vertical rods of the left support frame and the right support frame respectively through sleeves, the sleeve is fixedly connected with the rear transverse connecting rod, and the sleeve is sleeved on the rear vertical rod.

[0010] The front vertical rod and the rear vertical rod of the utility model are connected with the roller via a height telescopic device.

[0011] The height telescope described in the utility model comprises a telescopic cylinder and a telescopic rod. A locking ball is installed on the telescopic rod. A locking hole is provided on the telescopic cylinder. The upper end of the telescopic cylinder is connected to the front vertical rod or the rear vertical rod. The upper end of the telescopic rod extends into the telescopic cylinder and is locked by the locking ball. The lower end of the telescopic rod is connected to a roller.

[0012] A folding seat is provided on the middle connecting rod of the left support frame or the right support frame described in the utility model. The folding seat includes a seat board, seat legs, a first hinge joint, and a second hinge joint. One end of the seat board is connected to the middle connecting rod via the first hinge joint, and the other end of the seat board is connected to the seat legs via the second hinge joint. The first hinge joint and the second hinge joint respectively fold the seat board onto the side of the left support frame or the right support frame and fold the seat legs onto the side of the seat board.

[0013] The lower end of the seat leg described in the utility model is connected to the telescopic support, and the telescopic support includes a fixed tube and a telescopic leg. The fixed tube is fixedly connected to the seat leg, a locking ball is installed on the telescopic leg, and a locking hole is provided on the fixed tube. The upper end of the telescopic leg extends into the telescopic tube and is locked in the locking hole by the locking ball, and the lower end of the telescopic leg extends out of the fixed tube.

[0014] An L-shaped bracket is arranged on the outer side of the telescopic cylinder of the utility model, the horizontal end of the L-shaped bracket is connected with the telescopic cylinder, and the vertical end of the L-shaped bracket is extended to the ground.

[0015] The left supporting frame and the right supporting frame of the utility model are respectively provided with telescopic handrails, and the telescopic handrails are connected with the left supporting frame and the right supporting frame.

[0016] The utility model has the advantages of simple structure, good use effect, convenient shaping, fast folding and storage, high stability, strong self-care ability, etc. due to the adoption of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 yes Figure 1 Left view of .

[0019] Figure 3 yes Figure 1A top view of the connection relationship between the left and right support frames and the deployment positioner.

[0020] Figure 4 yes Figure 1 Expand the top view of the locator in .

[0021] Figure 5 yes Figure 1 Top view of the center rear transverse link.

[0022] Figure 6 yes Figure 1 Schematic diagram of the unfolded structure of the middle seat panel and seat legs. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings:

[0024] As shown in the accompanying drawings, a foldable walker is provided with a left support frame 1, a right support frame 2 and a rear transverse link 3, the rear sides of the left support frame 1 and the right support frame 2 are connected via the rear transverse link 3, both ends of the rear transverse link 3 are rotatably connected to the left support frame 1 and the right support frame 2 respectively, and the left support frame 1 and the right support frame 2 are folded in a Z shape with the rear transverse link 3 after rotation, and an unfolding positioner is provided between the left support frame 1 and the right support frame 2 and the rear transverse link 3 for positioning and stopping the left support frame 1 and the right support frame 2 with the rear transverse link 3 after unfolding, and the left support frame 1 and the right support frame 2 are positioned and fixed with the rear transverse link 3 by the unfolding positioner.

[0025] Furthermore, the deployment positioner includes a left connecting tube 4, a right connecting tube 5 and a positioning rod 6. The left connecting tube 4 and the right connecting tube 5 are respectively connected to the left support frame 1 and the right support frame 2. The two ends of the positioning rod 6 are respectively provided with locking balls 7. The left connecting tube 4 and the right connecting tube 5 are respectively provided with locking holes 8. The two ends of the positioning rod 6 are respectively inserted into the left connecting tube 4 and the right connecting tube 5 and locked through the locking balls 7 and the locking holes 8.

[0026] Furthermore, the left support frame 1 and the right support frame 2 both include a front vertical rod 9, a rear vertical rod 10, a top connecting rod 11, and a middle connecting rod 12. The upper ends of the front vertical rod 9 and the rear vertical rod 10 are connected via the top connecting rod 11, the middle parts of the front vertical rod 9 and the rear vertical rod 10 are connected via the middle connecting rod 12, and the lower ends of the front vertical rod 9 and the rear vertical rod 10 are respectively connected to rollers 13. The above-mentioned middle connecting rod is set as a square tube, which can ensure the subsequent installation of the folding seat.

[0027] Furthermore, both ends of the rear transverse link 3 are rotatably connected to the rear vertical rods 10 of the left support frame 1 and the right support frame 2 via sleeves 20, and the sleeve 20 is fixedly connected to the rear transverse link, and the sleeve 20 is sleeved on the rear vertical rod.

[0028] Furthermore, the front vertical rod 9 and the rear vertical rod 10 are connected to the roller 13 via a height telescoping device.

[0029] Furthermore, the height extender includes a telescopic cylinder 14 and a telescopic rod 15. A locking ball 7 is installed on the telescopic rod 15. A locking hole 8 is provided on the telescopic cylinder 14. The upper end of the telescopic cylinder 14 is connected to the front vertical rod 9 or the rear vertical rod 10. The upper end of the telescopic rod 15 extends into the telescopic cylinder 14 and is locked by the locking ball 7. The lower end of the telescopic rod 15 is connected to the roller 13.

[0030] Furthermore, a folding seat is provided on the middle connecting rod 12 of the left support frame 1 or the right support frame 2, and the folding seat includes a seat plate 16, seat legs 17, a first hinge joint 18, and a second hinge joint 19. One end of the seat plate 16 is connected to the middle connecting rod 12 via the first hinge joint 18, and the other end of the seat plate 16 is connected to the seat legs 17 via the second hinge joint 19. The first hinge joint 18 and the second hinge joint 19 fold the seat plate 16 onto the side of the left support frame 1 or the right support frame 2, and fold the seat legs 17 onto the side of the seat plate 16, respectively.

[0031] Furthermore, the left connecting tube 4 and the right connecting tube 5 are rotatably connected to the left supporting frame 1 and the right supporting frame 2 respectively, and the left connecting tube 4 and the right connecting tube 5 rotate toward the front side of the left supporting frame 1 and the right supporting frame 2 respectively.

[0032] Furthermore, the lower end of the seat leg 17 is connected to the telescopic support, and the telescopic support includes a fixed tube 21 and a telescopic leg 22. The fixed tube 21 is fixedly connected to the seat leg, and a locking ball is installed on the telescopic leg 22. A locking hole is provided on the fixed tube 21. The upper end of the telescopic leg 22 is extended into the telescopic tube and locked in the locking hole by the locking ball. The lower end of the telescopic leg 22 extends out of the fixed tube 21, so that the height of the seat can be adjusted to ensure the stability of the seat.

[0033] Furthermore, an L-shaped bracket 23 is provided on the outside of the telescopic cylinder, and the horizontal end of the L-shaped bracket 23 is connected to the telescopic cylinder, and the vertical end of the L-shaped bracket 23 is straightened on the ground. The stability of the entire walker is ensured by the L-shaped bracket 23. The L-shaped bracket on the telescopic cylinder on the front vertical rod and the rear vertical rod mentioned above is installed facing outward and at a 45-degree direction. The two front vertical rods and the two rear vertical rods are respectively facing 45 degrees in four outer directions, which can ensure the stability of the entire walker, and can effectively take into account the balance of the left, right, front and back four sides, and has a real anti-fall function.

[0034] Furthermore, the left support frame and the right support frame are respectively provided with telescopic armrests 24, and the telescopic armrests 24 are connected to the left support frame and the right support frame. The telescopic armrests 24 are structures that can be telescopically supported to the user's armpits, and the height of the telescopic armrests 24 can be adjusted according to the height of the user.

[0035] When the utility model is in use, a semi-disabled elderly person stands between the left support frame 1 and the right support frame 2, and the height of the height telescope is adjusted to a height suitable for the height of the semi-disabled elderly person. The semi-disabled elderly person clamps the left support frame and the right support frame for walking. When it is necessary to sit down and rest, the seat plate 16 is put down, and the seat legs 17 are rotated and opened, and the semi-disabled elderly person can sit down and rest on the seat plate 16. When rest is not needed, the seat plate 16 and the seat legs 17 can be folded up. When the walker is not needed, one end of the positioning rod 6 is removed from the left connecting tube 4 or the right connecting tube 5, and then the seat connecting tube and the right connecting tube 5 are rotated to separate the left connecting tube 4 and the right connecting tube 5. The left and right support frames 1 and 2 are respectively rotated to a position parallel to the left support frame 1 and the right support frame 2, and then the left and right support frames 1 and 2 are rotated as a whole along the rear transverse connecting rod 3, and then folded after rotating into a Z shape, thereby completing the entire folding and storage process. When it needs to be opened, the left support frame 1, the right support frame 2 and the rear transverse connecting rod 3 are first unfolded into a U-shaped state when viewed from above, and then the removed positioning rod 6 is inserted into the left connecting tube 4 or the right connecting tube 5 again, and then the U-shaped walker when viewed from above is fixed, and then it can be used as a walker. Due to the adoption of the above structure, the utility model has the advantages of simple structure, good use effect, convenient shaping, fast folding and storage, high stability, and strong self-care ability.

Claims

1. A foldable walker, comprising a left support frame, a right support frame and a rear transverse link, wherein the rear sides of the left support frame and the right support frame are connected via the rear transverse link, and both ends of the rear transverse link are rotatably connected to the left support frame and the right support frame respectively, and the left support frame and the right support frame are folded in a Z shape with the rear transverse link after rotation, and an unfolding positioner is provided between the left support frame and the right support frame and the rear transverse link for positioning and stopping rotation with the rear transverse link after the left support frame and the right support frame are unfolded, and the left support frame and the right support frame are positioned and fixed with the rear transverse link by the unfolding positioner.

2. A foldable walker according to claim 1, characterized in that The deployment locator includes a left connecting tube, a right connecting tube and a positioning rod. The left connecting tube and the right connecting tube are respectively connected to the left support frame and the right support frame. The two ends of the positioning rod are respectively provided with locking balls. The left connecting tube and the right connecting tube are respectively provided with locking holes. The two ends of the positioning rod are respectively inserted into the left connecting tube and the right connecting tube for locking through the locking balls and the locking holes.

3. A foldable walker according to claim 1, characterized in that The left support frame and the right support frame both include a front vertical rod, a rear vertical rod, a top connecting rod, and a middle connecting rod. The upper ends of the front vertical rod and the rear vertical rod are connected via the top connecting rod, the middle parts of the front vertical rod and the rear vertical rod are connected via the middle connecting rod, and the lower ends of the front vertical rod and the rear vertical rod are respectively connected to rollers.

4. A foldable walker according to claim 3, characterized in that The two ends of the rear transverse connecting rod are rotatably connected to the rear vertical rods of the left support frame and the right support frame through sleeves respectively; the sleeve is fixedly connected to the rear transverse connecting rod, and the sleeve is sleeved on the rear vertical rod.

5. A foldable walker according to claim 3, characterized in that The front vertical rod and the rear vertical rod are connected with the roller via a height telescoping device.

6. A foldable walker according to claim 5, characterized in that The height extender includes a telescopic cylinder and a telescopic rod. A locking ball is installed on the telescopic rod. A locking hole is provided on the telescopic cylinder. The upper end of the telescopic cylinder is connected to the front vertical rod or the rear vertical rod. The upper end of the telescopic rod extends into the telescopic cylinder and is locked by inserting the locking ball into the locking hole. The lower end of the telescopic rod is connected to the roller.

7. A foldable walker according to claim 1, characterized in that A folding seat is provided on the middle connecting rod of the left support frame or the right support frame, and the folding seat includes a seat board, seat legs, a first hinge joint, and a second hinge joint. One end of the seat board is connected to the middle connecting rod via the first hinge joint, and the other end of the seat board is connected to the seat legs via the second hinge joint. The first hinge joint and the second hinge joint respectively fold the seat board onto the side of the left support frame or the right support frame and fold the seat legs onto the side of the seat board.

8. A foldable walker according to claim 7, characterized in that The lower end of the seat leg is connected to the telescopic support, and the telescopic support includes a fixed tube and a telescopic leg. The fixed tube is fixedly connected to the seat leg, a locking ball is installed on the telescopic leg, and a locking hole is provided on the fixed tube. The upper end of the telescopic leg extends into the telescopic tube and is locked in the locking hole through the locking ball, and the lower end of the telescopic leg extends out of the fixed tube.

9. A foldable walker according to claim 6, characterized in that An L-shaped bracket is arranged on the outer side of the telescopic cylinder, the horizontal end of the L-shaped bracket is connected to the telescopic cylinder, and the vertical end of the L-shaped bracket is extended to the ground.

10. The foldable walker according to claim 1, characterized in that The left supporting frame and the right supporting frame are respectively provided with telescopic armrests, and the telescopic armrests are connected with the left supporting frame and the right supporting frame.

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