Safe knee walking aid

Abstract

The utility model discloses a safe knee walking aid, which belongs to the technical field of walking aids and comprises a bottom rod, a front support column is mounted on one side of the upper end of the bottom rod, moving wheels are mounted on the side edge of the bottom rod, a rear support column is arranged in the center of the upper end of the bottom rod, and a support seat height adjusting mechanism is arranged in the rear support column. According to the walking aid, the leg fixing mechanism is arranged and can conveniently tighten the shank, placed at the upper end of the supporting seat, of a patient, so that the patient can conveniently use the walking aid to move, the fixing assembly is arranged, the elastic binding band can be conveniently fixed, the supporting seat height adjusting mechanism is arranged, and the supporting seat height adjusting mechanism can adjust the height of the supporting seat. According to the walking aid, the height of the supporting seat can be conveniently adjusted, so that people with different heights can conveniently use the walking aid, the height of the supporting seat can be adjusted only by rotating the rotating handle, and operation is convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of walkers, and in particular relates to a safe knee walker. Background Art

[0002] A knee walker is a device that assists walking, usually consisting of a bracket and an adjustable knee support, and it can be used for patients who need to restore their walking ability, such as post-operative rehabilitation, post-stroke rehabilitation, etc. It can provide stable support and help patients gradually restore their walking ability.

[0003] Most of the existing knee walkers directly place the calf part on the support base of the walker to facilitate walking for patients with foot injuries. However, when the walker is needed for a long time, the existing support base cannot tie the patient's calf tightly, and the patient's legs are easily deviated during use, resulting in secondary injuries to the legs. The height of the support base is not convenient for quick adjustment, which is relatively inconvenient for patients of different heights to use. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the utility model provides a safe knee walker, which has the characteristics of being convenient for binding the patient's legs and adjusting the height of the support seat.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safe knee walker, comprising a bottom bar, a front support column is installed on one side of the upper end of the bottom bar, a moving wheel is installed on the side of the bottom bar, a rear support column is arranged at the center position of the upper end of the bottom bar, a support seat height adjustment mechanism is arranged inside the rear support column, a support seat body is installed on the upper end of the support seat height adjustment mechanism, a leg fixing mechanism is installed on the upper end of the support seat body, an oblique support is installed on the side of the front support column, and a handle is installed on the upper end of the front support column.

[0006] Preferably, the leg fixing mechanism includes a slot, a block, an elastic band, a fixing ring, a rotating frame, a fixing hole and a fixing component. A rotating frame is rotatably connected to one side of the upper end of the support seat body, a fixing ring is connected to the upper end of the rotating frame, an elastic band is provided at the upper end of the fixing ring, a block is installed at the other end of the elastic band, a fixing hole is provided on the side of the block, a slot corresponding to the block is provided on one side of the upper end of the support seat body, and a fixing component is installed inside the side of the slot.

[0007] Preferably, the fixing assembly includes a fixing rod and a spring, the spring is installed inside the side of the slot, and the fixing rod is installed at the other end of the spring.

[0008] Preferably, the fixing assembly further comprises a slide groove and a slider, the slider is installed on the side of the fixing rod, and a slide groove corresponding to the slider is opened on the side of the supporting seat body.

[0009] Preferably, the support seat height adjustment mechanism includes a lifting rod, a bevel gear 1, a turning handle, a rotating rod, a bevel gear 2 and a threaded rod. The threaded rod is installed in the internal rotation connection of the rear pillar, the upper end of the threaded rod is threadedly connected with the lifting rod, the lower end surface of the threaded rod is installed with bevel gear 1, the side of bevel gear 1 is meshingly installed with bevel gear 2, the side of bevel gear 2 is installed with a rotating rod, the other end of the rotating rod is installed with a turning handle, and the rotating rod and the rear pillar are rotationally connected through a bearing.

[0010] Preferably, the support seat height adjustment mechanism further includes a limit slot and a limit block, the limit block is installed on the inner wall of the rear support, and the side of the lifting rod is provided with a limit slot corresponding to the limit block.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model is provided with a leg fixing mechanism, which can conveniently tighten the patient's calf resting on the upper end of the support seat, so as to facilitate the patient to move with the walker. By providing a fixing component, the elastic strap can be conveniently fixed.

[0013] 2. The utility model is provided with a support seat height adjustment mechanism, which can facilitate the adjustment of the height of the support seat, thereby making it convenient for people of different heights to use the walker. Moreover, the mechanism can drive the height adjustment of the support seat only by turning the handle, which is relatively convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the utility model;

[0015] Figure 2 It is a three-dimensional diagram of the leg fixing mechanism of the utility model;

[0016] Figure 3 It is an enlarged view of the fixing component of the utility model;

[0017] Figure 4 It is a three-dimensional diagram of the height adjustment mechanism of the support seat of the utility model;

[0018] Figure 5 For this utility model Figure 4 The enlarged view of point A in the middle;

[0019] In the figure: 1. bottom rod; 2. support seat height adjustment mechanism; 21. lifting rod; 22. limit groove; 23. limit block; 24. bevel gear one; 25. turning handle; 26. rotating rod; 27. bevel gear two; 28. threaded rod; 3. rear support; 4. support seat body; 5. leg fixing mechanism; 51. slot; 52. block; 53. elastic strap; 54. fixing ring; 55. rotating frame; 56. fixing hole; 57. fixing assembly; 571. slide groove; 572. slider; 573. fixing rod; 574. spring; 6. front support; 7. handle; 8. oblique support; 9. moving wheel. DETAILED DESCRIPTION

[0020] 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.

[0021] Example 1

[0022] See also Figure 1-5 The utility model provides the following technical solutions: a safe knee walker, comprising a bottom bar 1, a front support 6 is installed on one side of the upper end of the bottom bar 1, a moving wheel 9 is installed on the side of the bottom bar 1, a rear support 3 is arranged at the center position of the upper end of the bottom bar 1, a support seat height adjustment mechanism 2 is arranged inside the rear support 3, a support seat body 4 is installed on the upper end of the support seat height adjustment mechanism 2, a leg fixing mechanism 5 is installed on the upper end of the support seat body 4, an oblique support 8 is installed on the side of the front support 6, and a handle 7 is installed on the upper end of the front support 6.

[0023] Specifically, the leg fixing mechanism 5 includes a slot 51, a block 52, an elastic band 53, a fixing ring 54, a rotating frame 55, a fixing hole 56 and a fixing assembly 57. The upper end of the support seat body 4 is rotatably connected with the rotating frame 55, the upper end of the rotating frame 55 is connected with the fixing ring 54, the upper end of the fixing ring 54 is provided with an elastic band 53, the other end of the elastic band 53 is installed with the block 52, the side of the block 52 is provided with a fixing hole 56, the upper end of the support seat body 4 is provided with a slot 51 corresponding to the block 52, and the side of the slot 51 is installed with a fixing assembly 57.

[0024] By adopting the above technical solution, the patient's calf is placed on the upper end of the support seat body 4, and the slider 572 inside the sliding groove 571 is slid. The slider 572 drives the fixing rod 573 to compress the spring 574 and embed it into the inside of the support seat body 4, and then the block 52 at the other end of the elastic strap 53 is inserted into the inside of the slot 51, and then the slider 572 is released, and the spring 574 rebounds, thereby driving the fixing rod 573 to insert into the inside of the fixing hole 56, so as to fix the elastic strap 53, so as to fix the patient's calf, so that the patient can use the walker to move.

[0025] Specifically, the fixing assembly 57 includes a fixing rod 573 and a spring 574. The spring 574 is installed inside the side of the slot 51, and the fixing rod 573 is installed at the other end of the spring 574.

[0026] By adopting the above technical solution, the slider 572 inside the sliding groove 571 drives the fixing rod 573 to compress the spring 574 and embed it into the interior of the support seat body 4, and then the block 52 at the other end of the elastic band 53 is inserted into the interior of the slot 51, and then the slider 572 is released, the spring 574 rebounds, thereby driving the fixing rod 573 to insert into the interior of the fixing hole 56, and the elastic band 53 can be fixed.

[0027] Specifically, the fixing assembly 57 further includes a slide groove 571 and a slider 572. The slider 572 is installed on the side of the fixing rod 573, and the side of the supporting seat body 4 is provided with a slide groove 571 corresponding to the slider 572.

[0028] By adopting the above technical solution, when the elastic band 53 needs to be removed, the slider 572 inside the slide groove 571 is slid again, and the slider 572 drives the fixing rod 573 to slide out from the fixing hole 56, so that the elastic band 53 can be removed.

[0029] When the present embodiment is in use, the patient's calf is placed on the upper end of the support seat body 4, and the slider 572 inside the slide groove 571 is slid. The slider 572 drives the fixing rod 573 to compress the spring 574 and embed it into the inside of the support seat body 4. Then, the block 52 at the other end of the elastic band 53 is inserted into the inside of the slot 51. Then, the slider 572 is released, and the spring 574 rebounds, thereby driving the fixing rod 573 to insert into the inside of the fixing hole 56. The elastic band 53 can be fixed so as to fix the patient's calf, thereby enabling the patient to move using the walker. When the elastic band 53 needs to be removed, the slider 572 inside the slide groove 571 is slid again. The slider 572 drives the fixing rod 573 to slide out from the inside of the fixing hole 56, and the elastic band 53 can be removed.

[0030] Example 2

[0031] The difference between this embodiment and the embodiment 1 is that the support seat height adjustment mechanism 2 includes a lifting rod 21, a bevel gear 1 24, a turning handle 25, a rotating rod 26, a bevel gear 27 and a threaded rod 28. The rear support 3 is internally rotatably connected and installed with a threaded rod 28. The upper end of the threaded rod 28 is threadedly connected with the lifting rod 21. The lower end surface of the threaded rod 28 is installed with a bevel gear 1 24. The side of the bevel gear 1 24 is meshed with a bevel gear 27. The side of the bevel gear 27 is installed with a rotating rod 26. The other end of the rotating rod 26 is installed with a turning handle 25. The rotating rod 26 is rotatably connected to the rear support 3 through a bearing.

[0032] By adopting the above technical solution, when the height of the support seat body 4 needs to be adjusted, the handle 25 is turned, and the rotation of the handle 25 drives the rotating rod 26 to rotate, and the rotation of the rotating rod 26 drives the bevel gear 27 to rotate, and the rotation of the bevel gear 27 drives the bevel gear 1 24 to rotate, and the rotation of the bevel gear 1 24 drives the threaded rod 28 to rotate, and the rotation of the threaded rod 28 drives the lifting rod 21 to rotate, and combined with the setting of the limit block 23 and the limit groove 22, the threaded rod 28 can be rotated to drive the lifting rod 21 to rise and fall.

[0033] Specifically, the support seat height adjustment mechanism 2 also includes a limit slot 22 and a limit block 23. The limit block 23 is installed on the inner wall of the rear support 3, and the side of the lifting rod 21 is provided with a limit slot 22 corresponding to the limit block 23.

[0034] By adopting the above technical solution, the stability of the lifting rod 21 during the lifting process can be improved.

[0035] When this embodiment is in use, when the height of the support seat body 4 needs to be adjusted, the handle 25 is rotated, and the rotation of the handle 25 drives the rotating rod 26 to rotate, and the rotation of the rotating rod 26 drives the bevel gear 27 to rotate, and the rotation of the bevel gear 27 drives the bevel gear 1 24 to rotate, and the rotation of the bevel gear 1 24 drives the threaded rod 28 to rotate, and the rotation of the threaded rod 28 drives the lifting rod 21 to rotate, and combined with the setting of the limit block 23 and the limit groove 22, the threaded rod 28 can be rotated to drive the lifting rod 21 to rise and fall.

[0036] The working principle and use process of the utility model: When the utility model is in use, the patient's calf is placed on the upper end of the support seat body 4, and the slider 572 inside the sliding groove 571 is slid. The slider 572 drives the fixing rod 573 to compress the spring 574 and embed it into the inside of the support seat body 4, and then the block 52 at the other end of the elastic band 53 is inserted into the inside of the card groove 51, and then the slider 572 is released, and the spring 574 rebounds, thereby driving the fixing rod 573 to insert into the inside of the fixing hole 56, so as to fix the elastic band 53, so as to fix the patient's calf, so that the patient can use the walker to move, and when the elastic band 53 needs to be adjusted When disassembling, slide the slider 572 inside the slide groove 571 again, and the slider 572 drives the fixing rod 573 to slide out from the fixing hole 56, so that the elastic band 53 can be removed; when the height of the support seat body 4 needs to be adjusted, turn the handle 25, and the rotation of the handle 25 drives the rotating rod 26 to rotate, and the rotation of the rotating rod 26 drives the bevel gear 27 to rotate, and the rotation of the bevel gear 27 drives the bevel gear 1 24 to rotate, and the rotation of the bevel gear 1 24 drives the threaded rod 28 to rotate, and the rotation of the threaded rod 28 drives the lifting rod 21 to rotate, and then cooperate with the setting of the limit block 23 and the limit groove 22, so that the threaded rod 28 can rotate to drive the lifting rod 21 to rise and fall.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A safety knee walker, comprising a bottom bar, characterized in that: A front support is installed on one side of the upper end of the bottom rod, a moving wheel is installed on the side of the bottom rod, a rear support is arranged at the center position of the upper end of the bottom rod, a support seat height adjustment mechanism is arranged inside the rear support, a support seat body is installed on the upper end of the support seat height adjustment mechanism, a leg fixing mechanism is installed on the upper end of the support seat body, an oblique support is installed on the side of the front support, and a handle is installed on the upper end of the front support.

2. A safety knee walker according to claim 1, characterized in that: The leg fixing mechanism includes a slot, a block, an elastic band, a fixing ring, a rotating frame, a fixing hole and a fixing component. The upper end of the support seat body is rotatably connected to a rotating frame, the upper end of the rotating frame is connected to a fixing ring, the upper end of the fixing ring is provided with an elastic band, the other end of the elastic band is installed with a slot, the side of the slot is provided with a fixing hole, the upper end of the support seat body is provided with a slot corresponding to the slot, and the side of the slot is provided with a fixing component.

3. A safety knee walker according to claim 2, characterized in that: The fixing assembly comprises a fixing rod and a spring. The spring is installed inside the side of the slot, and the fixing rod is installed at the other end of the spring.

4. A safety knee walker according to claim 3, characterized in that: The fixing assembly further comprises a sliding groove and a sliding block. The sliding block is installed on the side of the fixing rod, and the side of the supporting seat body is provided with a sliding groove corresponding to the sliding block.

5. The safety knee walker according to claim 1, characterized in that: The support seat height adjustment mechanism includes a lifting rod, a bevel gear 1, a turning handle, a rotating rod, a bevel gear 2 and a threaded rod. The threaded rod is installed in the internal rotation connection of the rear pillar, the upper end of the threaded rod is threadedly connected with the lifting rod, the lower end surface of the threaded rod is installed with a bevel gear 1, the side of the bevel gear 1 is meshed with the bevel gear 2, the side of the bevel gear 2 is installed with a rotating rod, the other end of the rotating rod is installed with a turning handle, and the rotating rod and the rear pillar are rotationally connected through a bearing.

6. The safety knee walker according to claim 5, characterized in that: The support seat height adjustment mechanism also includes a limit slot and a limit block. The limit block is installed on the inner wall of the rear support, and the side of the lifting rod is provided with a limit slot corresponding to the limit block.

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