Hallux valgus corrector

Abstract

The utility model relates to a hallux valgus corrector which solves the problem that a correction adjusting assembly of an existing hallux valgus corrector is inconvenient to adjust. Comprising a metatarsal bone supporting piece, a hallux supporting piece, a hallux wearing piece and a sole wearing piece, a correction adjusting assembly for adjusting the angle of the hallux supporting piece is installed on the metatarsal bone supporting piece, and the correction adjusting assembly comprises a second rotating shaft, a rotary knob, a positioning piece and a rope. The rotary knob is rotated and drives the second rotating shaft to rotate, the elastic buckle deforms in the rotating process, the rotating shaft rotates to drive the rope to be wound around the second rotating shaft, and therefore the hallux supporting piece is pulled to rotate for angle adjustment, the rotary knob stops rotating, and the elastic buckle recovers to be clamped and positioned with the inner gear on the positioning piece. During adjustment, the hallux supporting piece and the metatarsal bone supporting piece can rotate clockwise or anticlockwise for tightness adjustment, and adjustment is simple and convenient.

Description

Technical Field

[0001] The utility model relates to the field of medical instruments, in particular to a hallux valgus corrector. Background Art

[0002] At present, it includes a metatarsal support, a big toe support, a big toe wearing piece arranged on the big toe support and a foot wearing piece arranged on the metatarsal support. A correction adjustment component for adjusting the angle of the big toe support is installed on the metatarsal support. The traction end of the correction adjustment component is connected to the big toe support. The metatarsal support and the big toe support are rotatably connected via a rotating shaft. The big toe support is rotated by the correction adjustment component to pull the big toe for correction. At present, the commonly used fixed correction adjustment component is a rotating button on a sports shoe to tighten the rope for angle adjustment. This method can only make it tighter and tighter. If you want to loosen it, you need to knock the knob open and then readjust it, which is inconvenient to adjust. Utility Model Content

[0003] The utility model aims to solve the problem that the correction adjustment component of the existing hallux valgus corrector is inconvenient to adjust.

[0004] The technical solution adopted to solve the technical problem proposed by the utility model is as follows: the hallux valgus corrector of the utility model includes a metatarsal support, a big toe support, a big toe wearing piece arranged on the big toe support and a foot wearing piece arranged on the metatarsal support, a correction adjustment component for adjusting the angle of the big toe support is installed on the metatarsal support, a traction end of the correction adjustment component is connected to the big toe support, the metatarsal support includes a metatarsal support body and a connecting part fixedly connected to the metatarsal support body, the correction adjustment component is installed on the connecting part, The big toe support is rotatably connected to the connecting part via a first rotating shaft, and the correction adjustment assembly includes a second rotating shaft, a knob, a positioning member and a rope. The second rotating shaft is rotatably arranged in the connecting part, the knob is radially fixedly connected to one end of the second rotating shaft, the positioning member is fixedly connected to the connecting part, one end of the rope is connected to the big toe support, and the other end of the rope is wound around the rotating shaft, the positioning member is provided with an internal gear, and the knob is provided with an elastic buckle elastically engaged with the internal gear, and the elastic buckle is radially fixedly connected to the knob.

[0005] The technical solutions further defining the utility model include:

[0006] The elastic buckle comprises a left elastic buckle and a right elastic buckle which are symmetrical to each other. The left elastic buckle and the right elastic buckle are connected by a connecting arm, and the connecting arm is clamped in the knob.

[0007] The connecting arm is an annular structure with a notch, the left elastic buckle and the right elastic buckle are located on the connecting arm at both sides of the notch, and one end of the second rotating shaft is provided with a second rotating shaft block inserted into the notch.

[0008] A connecting arm support frame for supporting and positioning the connecting arm is arranged inside the knob, and the connecting wall is clamped in the connecting arm support frame.

[0009] The knob is rotatably connected to the positioning member in the radial direction, the positioning member is provided with a knob buckle, and the knob is provided with a knob slot matched with the knob buckle.

[0010] The connecting part is provided with a fixing piece which is vertically detachably connected to the connecting part, and the second rotating shaft and the positioning piece are clamped between the connecting part and the fixing piece.

[0011] A U-shaped snap-in groove is provided on the outer periphery of one end of the second rotating shaft, a second rotating shaft clamping block matching with the U-shaped snap-in groove is provided on the connecting portion and the fixing member, a second rotating shaft positioning disc is provided on the other end of the second rotating shaft, and a second rotating shaft positioning groove matching with the second rotating shaft positioning disc is provided on the positioning member.

[0012] The second rotating shaft is provided with a rope fixing hole for fixing the rope.

[0013] The swing end of the big toe support is provided with an arc-shaped threading hole bent toward the connecting part, and the two sides of the big toe support are provided with a first rope guide hole and a second rope guide hole for telescopic guidance. One end of the rope passes through the first rope guide hole, the arc-shaped threading hole and the second rope guide hole in sequence, and the two ends of the rope are respectively fixedly connected to the second rotating shaft.

[0014] The big toe wearing piece is a first strap, and first strap mounting holes for installing the first strap are provided on both sides of the big toe supporting piece, and the first strap is fixed by a first Velcro; the sole wearing piece is a second strap, and second strap mounting holes for installing the second strap are provided on both sides and the rear side of the metatarsal supporting piece, and the second strap is fixed by a second Velcro.

[0015] Through the above technical scheme, the beneficial effects of the utility model are as follows: when the hallux valgus corrector of the utility model is used, the sole wearing piece is worn on the sole of the foot, the big toe wearing piece is worn on the big toe, and the knob is turned, and the knob drives the second rotating shaft to rotate. During the rotation, the elastic buckle is deformed, and the rotation of the rotating shaft drives the rope to be wound around the second rotating shaft, thereby pulling the big toe support piece to rotate for angle adjustment. When the knob stops rotating, the elastic buckle is restored and engaged with the internal gear on the positioning piece to position it, so that the big toe support piece and the metatarsal support piece are relatively fixed. When adjusting, it can be rotated clockwise or counterclockwise to adjust the tightness, and the adjustment is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a three-dimensional structural schematic diagram of a hallux valgus corrector.

[0017] Figure 2 The utility model is a schematic diagram of the cross-section structure of a correction and adjustment component of a hallux valgus corrector.

[0018] Figure 3 The utility model is a schematic diagram of the exploded structure of a hallux valgus corrector.

[0019] Figure 4 The utility model is a schematic diagram of the exploded structure of a hallux valgus corrector.

[0020] Figure 5 The utility model is a schematic diagram of the structure of a knob of a hallux valgus corrector. DETAILED DESCRIPTION

[0021] The structure of the utility model is further described below in conjunction with the accompanying drawings.

[0022] Reference Figures 1 to 5 The hallux valgus corrector of the utility model comprises a metatarsal support 1, a big toe support 2, a big toe wearing piece 3 arranged on the big toe support and a sole wearing piece 4 arranged on the metatarsal support. A correction adjustment component 5 for adjusting the angle of the big toe support is installed on the metatarsal support. The traction end of the correction adjustment component is connected to the big toe support. The metatarsal support 1 comprises a metatarsal support body 11 and a connecting part 12 fixedly connected to the metatarsal support body. The correction adjustment component is installed on the connecting part. The big toe support is connected to the connecting part. The parts are rotatably connected through the first rotating shaft 6, and the correction adjustment component 5 includes a second rotating shaft 51, a knob 52, a positioning member 53 and a rope 54. The second rotating shaft is rotatably arranged in the connecting part, the knob is radially fixedly connected to one end of the second rotating shaft, the positioning member is fixedly connected to the connecting part, one end of the rope is connected to the big toe support member, and the other end of the rope is wound around the rotating shaft, the positioning member 53 is provided with an internal gear 531, and the knob 52 is provided with an elastic buckle 521 elastically engaged with the internal gear, and the elastic buckle is radially fixedly connected to the knob. When in use, put the sole wearing piece on the sole of the foot, wear the big toe wearing piece on the thumb, turn the knob, the knob drives the second rotating shaft to rotate, the elastic buckle is deformed during the rotation, the rotation of the rotating shaft drives the rope to be wound around the second rotating shaft, thereby pulling the big toe support piece to rotate for angle adjustment, the knob stops rotating, the elastic buckle recovers and engages with the internal gear on the positioning piece to position it, so that the big toe support piece and the metatarsal support piece are relatively fixed, and the adjustment can be made by rotating clockwise or counterclockwise to adjust the tightness, which is simple and convenient.

[0023] In this embodiment, the elastic buckle 521 includes a left elastic buckle 5211 and a right elastic buckle 5212 which are symmetrical to each other. The left elastic buckle and the right elastic buckle are connected by a connecting arm 5213, and the connecting arm is clamped in the knob. When the knob rotates, the connecting arm is driven to rotate, and the left elastic buckle and the right elastic buckle are deformed at the same time. When the knob stops rotating, the left elastic buckle and the right elastic buckle are reset and clamped with the internal gear to position the knob, thereby positioning the second rotating shaft and fixing the big toe support member and the metatarsal support member relatively. Thus, the adjustment is simple and convenient. During the adjustment process, the symmetrical left elastic buckle and the right elastic buckle are elastically deformed with the internal gear and slide against each other, so that the adjustment is stable.

[0024] In this embodiment, the connecting arm 5213 is a ring structure with a notch, the left elastic buckle and the right elastic buckle are located on the connecting arm on both sides of the notch, and one end of the second rotating shaft 51 is provided with a second rotating shaft block 511 inserted into the notch. When the knob is rotated to drive the connecting arm to rotate, the connecting arm drives the second rotating shaft to rotate.

[0025] In this embodiment, a connecting arm support frame 522 for supporting and positioning the connecting arm is provided inside the knob 52, and the connecting wall is clamped inside the connecting arm support frame. The connecting arm support frame includes a supporting rib position 5221 for supporting the inner wall of the connecting arm and a clamping rib position 5222 for clamping the left elastic buckle and the right elastic buckle to prevent the connecting arm from rotating. The supporting rib position prevents the connecting arm from deforming, and the clamping rib position prevents the connecting arm from rotating.

[0026] In this embodiment, the knob is connected to the positioning member in a radially rotatable manner, the positioning member 53 is provided with a knob buckle 532, and the knob 52 is provided with a knob buckle groove 523 that cooperates with the knob buckle. The knob is connected to the positioning member in a rotatable manner, so that the knob is axially positioned.

[0027] In this embodiment, the connecting part 12 is provided with a fixing member 121 which is vertically detachably connected to the connecting part, and the second rotating shaft and the positioning member are clamped between the connecting part and the fixing member. The positioning member is provided with a positioning member buckle 534 at both ends, and the positioning member is clamped with the fixing member and the connecting part through the positioning member buckle. A U-shaped clamping groove 512 is provided on the periphery of one end of the second rotating shaft 51, and a second rotating shaft clamping block which cooperates with the U-shaped clamping groove is provided on the connecting part and the fixing member, and a second rotating shaft positioning disc 513 is provided on the other end of the second rotating shaft 51, and a second rotating shaft positioning groove 533 which cooperates with the second rotating shaft positioning disc is provided on the positioning member 53. When the second rotating shaft rotates, the two ends of the second rotating shaft are positioned by the U-shaped clamping groove and the second rotating shaft positioning groove respectively, so that the second rotating shaft can rotate stably.

[0028] In this embodiment, a rope fixing hole 514 for fixing a rope is provided on the second rotating shaft 51. The rope fixing hole is used for fixing the rope.

[0029] In this embodiment, the swing end of the big toe support 2 is provided with an arc-shaped threading hole 21 bent toward the connecting part, and the two sides of the big toe support are provided with a first rope guide hole 22 and a second rope guide hole 23 for telescopic guidance. One end of the rope passes through the first rope guide hole, the arc-shaped threading hole, and the second rope guide hole in sequence, and the two ends of the rope are respectively fixedly connected to the second rotating shaft. There are two rope fixing holes, and the two ends of the rope are respectively fixedly bound to the two rope fixing holes.

[0030] In this embodiment, the big toe wearing piece is a first strap, and first strap mounting holes 24 for installing the first strap are provided on both sides of the big toe support 2, and the first strap is fixed by a first Velcro; the sole wearing piece is a second strap, and second strap mounting holes 13 for installing the second strap are provided on both sides and the rear side of the metatarsal support 1, and the second strap is fixed by a second Velcro.

[0031] Although the specific implementation of the utility model is described in detail in conjunction with the drawings, it should not be understood as limiting the protection scope of the utility model. Within the scope described in the claims, various modifications and variations that can be made by those skilled in the art without creative work still belong to the protection scope of the utility model.

Claims

1. A hallux valgus corrector, comprising a metatarsal support, a big toe support, a big toe wearable piece arranged on the big toe support, and a sole wearable piece arranged on the metatarsal support, a correction adjustment component for adjusting the angle of the big toe support is installed on the metatarsal support, and the traction end of the correction adjustment component is connected to the big toe support, characterized in that: The metatarsal support member includes a metatarsal support body and a connecting portion fixedly connected to the metatarsal support body, the correction adjustment component is installed on the connecting portion, the big toe support member is rotationally connected to the connecting portion via a first rotating shaft, the correction adjustment component includes a second rotating shaft, a knob, a positioning member and a rope, the second rotating shaft is rotationally arranged in the connecting portion, the knob is radially fixedly connected to one end of the second rotating shaft, the positioning member is fixedly connected to the connecting portion, one end of the rope is connected to the big toe support member, and the other end of the rope is wound around the rotating shaft, the positioning member is provided with an internal gear, the knob is provided with an elastic buckle elastically engaged with the internal gear, and the elastic buckle is radially fixedly connected to the knob.

2. A hallux valgus corrector according to claim 1, characterized in that: The elastic buckle comprises a left elastic buckle and a right elastic buckle which are symmetrical to each other. The left elastic buckle and the right elastic buckle are connected by a connecting arm, and the connecting arm is clamped in the knob.

3. A hallux valgus corrector as claimed in claim 2, characterized in that: The connecting arm is an annular structure with a notch, the left elastic buckle and the right elastic buckle are located on the connecting arm at both sides of the notch, and one end of the second rotating shaft is provided with a second rotating shaft block inserted into the notch.

4. A hallux valgus corrector as claimed in claim 2, characterized in that: A connecting arm support frame for supporting and positioning the connecting arm is arranged inside the knob, and the connecting wall is clamped in the connecting arm support frame.

5. The hallux valgus corrector according to claim 1, characterized in that: The knob is rotatably connected to the positioning member in the radial direction, the positioning member is provided with a knob buckle, and the knob is provided with a knob slot matched with the knob buckle.

6. A hallux valgus corrector according to claim 1, characterized in that: The connecting part is provided with a fixing piece which is vertically detachably connected to the connecting part, and the second rotating shaft and the positioning piece are clamped between the connecting part and the fixing piece.

7. A hallux valgus corrector according to claim 6, characterized in that: A U-shaped snap-in groove is provided on the outer periphery of one end of the second rotating shaft, a second rotating shaft clamping block matching with the U-shaped snap-in groove is provided on the connecting portion and the fixing member, a second rotating shaft positioning disc is provided on the other end of the second rotating shaft, and a second rotating shaft positioning groove matching with the second rotating shaft positioning disc is provided on the positioning member.

8. The hallux valgus corrector according to claim 1, characterized in that: The second rotating shaft is provided with a rope fixing hole for fixing the rope.

9. A hallux valgus corrector according to claim 1, characterized in that: The swing end of the big toe support is provided with an arc-shaped threading hole bent toward the connecting part, and the two sides of the big toe support are provided with a first rope guide hole and a second rope guide hole for telescopic guidance. One end of the rope passes through the first rope guide hole, the arc-shaped threading hole and the second rope guide hole in sequence, and the two ends of the rope are respectively fixedly connected to the second rotating shaft.

10. The hallux valgus corrector according to claim 1, characterized in that: The big toe wearing piece is a first strap, and first strap mounting holes for installing the first strap are provided on both sides of the big toe supporting piece, and the first strap is fixed by a first Velcro; the sole wearing piece is a second strap, and second strap mounting holes for installing the second strap are provided on both sides and the rear side of the metatarsal supporting piece, and the second strap is fixed by a second Velcro.

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