Hand push ring for wheelchair

Abstract

The utility model discloses a hand-push ring for a wheelchair, which comprises a hand-push ring main body, a connecting assembly is arranged on the hand-push ring main body, the connecting assembly comprises a first connecting plate, a second connecting plate and a clamping assembly, the first connecting plate is arranged on the hand-push ring main body, the second connecting plate is arranged at the bottom end of the first connecting plate in a sliding manner, and the clamping assembly is arranged at the bottom end of the second connecting plate. The clamping assembly is arranged between the first connecting plate and the second connecting plate. According to the utility model, the arrangement mode that the connecting component is matched with the protecting component is utilized, so that the distance between the hand-push ring main body and the wheel can be adjusted according to the use requirement after the hand-push ring main body is mounted on the wheel of the wheelchair, an effective space is provided for manual rotation of an operator, and the convenience and flexibility of rotation of the hand-push ring main body are improved; meanwhile, under the arrangement of the protection assembly, the friction between the hand push ring main body and the hand of an operator is increased, the force application frequency of the operator is reduced, and the rotation effectiveness of the hand push ring main body is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wheelchair hand push ring field, especially a hand push ring for wheelchair. BACKGROUND

[0002] The wheelchair walks rely on the rotation of the walking wheel, and the hand push ring is usually installed on the outside of the walking wheel to facilitate manual force.

[0003] The existing hand push ring and walking wheel are fixedly installed, and the distance between the hand push ring and the walking wheel cannot be adjusted according to the needs of the operator's hand operation space, the limitation is high, and the operator's hand is easy to rub with the walking wheel to cause injury, so the safety is low. UTILITY MODEL CONTENT

[0004] The utility model discloses a hand push ring for wheelchair, which solves the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a hand push ring for wheelchair, comprising a hand push ring main body, a connecting assembly is arranged on the hand push ring main body, and the connecting assembly comprises:

[0006] A first connecting plate is arranged on the hand push ring main body.

[0007] A second connecting plate is slidably arranged at the bottom end of the first connecting plate.

[0008] A clamping assembly is arranged between the first connecting plate and the second connecting plate, and the clamping assembly limits the positions of the first connecting plate and the second connecting plate.

[0009] Preferably, the clamping assembly comprises:

[0010] An engaging wheel is rotatably arranged in the first connecting plate.

[0011] An engaging groove is formed in the outer wall of the second connecting plate, and the engaging groove engages with the engaging wheel.

[0012] Preferably, the connecting assembly further comprises:

[0013] A fixing groove is formed in the first connecting plate, the second connecting plate and the hand push ring main body.

[0014] A fixing rod is inserted into the inner cavity of the fixing groove, and the fixing rod is arranged at the positions of the first connecting plate and the second connecting plate.

[0015] Preferably, the hand pushing ring body is provided with a protection assembly, the protection assembly comprises:

[0016] A protection pad is arranged on the outer wall of the hand pushing ring body, and the protection pad acts on the rotation of the hand pushing ring body.

[0017] A protection sleeve is arranged on the outer wall of the protection pad, and the protection sleeve acts on the stability of the position of the protection pad.

[0018] Preferably, the bottom end of the first connecting plate is provided with a convex slot, and the second connecting plate is in an inverted convex shape.

[0019] Preferably, the outer wall of the protection pad is provided with a plurality of grooves, and the grooves act on the rotation of the protection pad.

[0020] The technical effects and advantages of the utility model are as follows:

[0021] The utility model discloses a connecting assembly and a protection assembly are matched and arranged, after the hand pushing ring body is installed on the wheelchair wheel, the distance between the hand pushing ring body and the wheel can be adjusted according to the need of use, effective space is provided for the manual rotation of the operator, the convenience and flexibility of the rotation of the hand pushing ring body are improved, and under the arrangement of the protection assembly, the friction between the hand pushing ring body and the hand of the operator is increased, the number of force exertion of the operator is reduced, and the effectiveness of the rotation of the hand pushing ring body is improved. DRAWINGS

[0022] Fig. 1 It is the three-dimensional structure schematic diagram of the utility model.

[0023] Fig. 2 It is the sectional structure schematic diagram of the utility model.

[0024] Fig. 3 It is the sectional structure schematic diagram of the connecting assembly of the utility model.

[0025] In the drawing: 1, hand pushing ring body;2, protection assembly;201, protection pad;202, protection sleeve;3, connecting assembly;301, first connecting plate;302, second connecting plate;303, meshing wheel;304, meshing groove;305, fixed groove;306, fixed rod. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0027] The utility model provides a hand push ring for wheelchair as Figs. 1-3 As shown in a kind of hand push ring for wheelchair, including hand push ring main body 1, connection component 3 is provided on hand push ring main body 1, connection component 3 includes first connecting plate 301, second connecting plate 302 and engagement assembly, first connecting plate 301 is set on hand push ring main body 1, second connecting plate 302 is slidably arranged at the bottom of first connecting plate 301, engagement assembly is arranged between first connecting plate 301 and second connecting plate 302, engagement assembly acts on the restriction of the position of first connecting plate 301 and second connecting plate 302, the bottom of first connecting plate 301 is provided with a convex slot, second connecting plate 302 is inverted convex, the setting of first connecting plate 301 and second connecting plate 302, it can be connected that hand push ring main body 1 can be connected with the wheel of wheelchair, hand push ring main body 1 can be installed in the side of wheelchair wheel, to provide manual structure for user, the convex slot of the bottom of first connecting plate 301 is also invertedly arranged, and the cross-sectional shape is consistent with second connecting plate 302, so that second connecting plate 302 can slide along the bottom of first connecting plate 301, to adjust the distance between hand push ring main body 1 and wheelchair wheel, to increase the space between hand push ring main body 1 and wheelchair wheel when hand push ring main body 1 is used, provide rotating space for the hand movement of user, effectively improve the convenience and effectiveness of the force of hand push ring main body 1, and when not using hand push ring main body 1, the overall length of first connecting plate 301 and second connecting plate 302 can be reduced, so that the distance between hand push ring main body 1 and wheelchair wheel can be reduced, to reduce the occupation of space by hand push ring main body 1, effectively improve the flexibility of hand push ring main body 1 use;

[0028] Preferably, the engagement assembly includes engaging wheels 303 and engaging grooves 304, the engaging wheels 303 are rotatably arranged inside the first connecting plate 301, the engaging grooves 304 are arranged on the outer wall of the second connecting plate 302, the engaging grooves 304 act on the engagement of the engaging wheels 303, the engaging wheels 303 are rotatably arranged on the first connecting plate 301, the engaging wheels 303 are arranged in multiple and symmetrically arranged on both sides of the convex slot of the first connecting plate 301, the engaging grooves 304 are also arranged in multiple and along the two sides of the second connecting plate 302, the engaging wheels 303 are engaged with the engaging grooves 304, with the sliding of the second connecting plate 302 along the first connecting plate 301, the engaging wheels 303 will rotate due to the engagement with the engaging grooves 304, and after the second connecting plate 302 and the first connecting plate 301 stop moving, the engaging wheels 303 will keep the position of the first connecting plate 301 stable under the second connecting plate 302 by engaging with the engaging grooves 304, to ensure the stability of the use of the hand push ring main body 1;

[0029] Further, the connecting assembly 3 further comprises a fixing groove 305 and a fixing rod 306. The fixing groove 305 is arranged on the first connecting plate 301, the second connecting plate 302 and the hand pushing ring body 1. The fixing rod 306 is arranged in the inner cavity of the fixing groove 305. The fixing rod 306 is used for the installation of the first connecting plate 301 and the second connecting plate 302. The fixing groove 305 is a threaded groove. The fixing groove 305 is arranged on the inner wall of the hand pushing ring body 1 and the first connecting plate 301 and the second connecting plate 302. The fixing rod 306 is provided with external threads. The fixing rod 306 is connected with the fixing groove 305 through threaded insertion. The number of the fixing rod 306 is consistent with the number of the fixing groove 305. The fixing groove 305 and the fixing rod 306 provide convenience for the fixing of the first connecting plate 301 and the second connecting plate 302. At the same time, the first connecting plate 301 and the second connecting plate 302 can be disassembled according to the needs, and the hand pushing ring body 1 can be disassembled alone, thereby improving the practicability of the hand pushing ring body 1.

[0030] Further, the hand pushing ring body 1 is provided with a protection assembly 2. The protection assembly 2 comprises a protection pad 201 and a protection sleeve 202. The protection pad 201 is arranged on the outer wall of the hand pushing ring body 1. The protection pad 201 is used for the rotation of the hand pushing ring body 1. The protection sleeve 202 is arranged on the outer wall of the protection pad 201. The arrangement of the protection sleeve 202 can keep the position of the protection pad 201 stable on the outer wall of the hand pushing ring body 1. The protection sleeve 202 can also have a dustproof effect on the protection pad 201. At the same time, the protection sleeve 202 can produce unevenness on the surface when it is extruded from the outside. Then, the protection sleeve 202 can increase the friction with the operator's hand together with the protection pad 201. The protection sleeve 202 is used for the stability of the position of the protection pad 201. The protection pad 201 and the protection sleeve 202 are one of elastic rubber or elastic silica gel. The elastic structure of the protection pad 201 and the protection sleeve 202 can increase the friction with the operator's hand while avoiding scratching or bruising the operator's hand, thereby ensuring the safety of use. The outer wall of the protection pad 201 is provided with a plurality of grooves. The grooves are used for the rotation of the protection pad 201. The outer wall of the protection pad 201 is provided with continuous grooves. When the protection sleeve 202 is stressed, the protection sleeve 202 can be extruded into the inner cavity of the groove, so that the surface of the protection sleeve 202 appears uneven, thereby increasing the friction of hand rotation, improving the convenience of rotation of the hand pushing ring body 1, reducing the degree of force exerted by the operator, reducing the difficulty of the operator in rotating the hand pushing ring body 1, effectively improving the flexibility of use of the hand pushing ring body 1, further improving the practicability of the hand pushing ring body 1. The protection sleeve 202 is arranged on the hand pushing ring body 1 through the elastic property of itself, thereby ensuring the stability of use and improving the stability of the position of the protection pad 201.

[0031] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A pushrim for a wheelchair comprising a pushrim body (1), characterized in that, The hand pushing ring body (1) is provided with a connecting assembly (3), the connecting assembly (3) comprises: The first connecting plate (301) is arranged on the hand pushing ring body (1); The second connecting plate (302) is arranged on the bottom end of the first connecting plate (301); The clamping assembly is arranged between the first connecting plate (301) and the second connecting plate (302), and the clamping assembly acts on the position of the first connecting plate (301) and the second connecting plate (302); The clamping assembly comprises: The engaging wheel (303) is arranged inside the first connecting plate (301); The engaging groove (304) is arranged on the outer wall of the second connecting plate (302), and the engaging groove (304) acts on the engagement of the engaging wheel (303); The hand pushing ring body (1) is provided with a protection assembly (2), the protection assembly (2) comprises: The protection pad (201) is arranged on the outer wall of the hand pushing ring body (1), and the protection pad (201) acts on the rotation of the hand pushing ring body (1); The protection sleeve (202) is arranged on the outer wall of the protection pad (201), and the protection sleeve (202) acts on the stability of the position of the protection pad (201); The outer wall of the protection pad (201) is provided with a plurality of grooves, and the grooves act on the rotation of the protection pad (201).

2. A handrim as claimed in claim 1, wherein The connecting assembly (3) further comprises: The fixed groove (305) is arranged on the first connecting plate (301), the second connecting plate (302) and the hand pushing ring body (1); The fixed rod (306) is arranged in the inner cavity of the fixed groove (305), and the fixed rod (306) acts on the installation of the position of the first connecting plate (301) and the second connecting plate (302).

3. A handrim as defined in claim 1 wherein: The bottom end of the first connecting plate (301) is provided with a convex slot, and the second connecting plate (302) is in the shape of an inverted convex character.

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