CN218187134U - Hollow wheelchair hand push ring with framework - Google Patents

Abstract

The utility model discloses a hollow wheelchair hand push circle of taking skeleton relates to wheelchair accessory field, including hand push circle body, be provided with in the inside cavity of hand push circle body and be annular support chassis, the surface of hand push circle body is connected with the protective sheath, this hand push circle is through the support chassis in the inboard cavity of hand push circle body, support chassis is connected with hand push circle body inside wall cavity through the backing sheet, can provide sufficient holding power for hand push circle body, prevent that the hand push circle from wholly taking place deformation in the use, improve the solidity ability of hand push circle, improve its life, and can provide the parcel for the hand push circle through setting up the protective sheath at hand push circle body surface, increase frictional force, be convenient for rotate, and prevent the scotch to the palm, and fixed block and lug and the cooperation between shell fragment and fixing base and the block groove, can make two stoppers carry on spacingly to the block groove, the dismouting of first block cover and the second block cover of being convenient for, thereby be convenient for the washing of protective sheath.

Description

Hollow wheelchair hand push ring with framework

Technical Field

The utility model relates to a wheelchair accessory field specifically is a hollow wheelchair hand push circle of taking skeleton.

Background

Through retrieval, the Chinese patent discloses a wheelchair hand-push ring (publication number CN 201906111U), which comprises walking wheels arranged on two sides of a wheelchair, wherein the hand-push ring is arranged on the outer side of each walking wheel, anti-skidding convex-concave grains are arranged on the circumference of the hand-push ring, and the diameter of the hand-push ring is smaller than that of each walking wheel. The convex-concave grains and the hand-push ring are of an integrated structure formed in one step. The inner side of the hand pushing ring is provided with a connecting rod connected with the inner ring of the walking wheel, and the connecting rod is fixed on the inner ring of the walking wheel through a bolt. The distance between the hand-push ring and the walking wheels is 15-35mm. The section of the ring body of the hand-push ring is in a semi-hollow oval shape. Hand push ring be provided with convex-concave line, can make things convenient for the hand to hold, increase frictional force to can prevent to rotate the in-process smooth hand, in the use, can effectually play anti-skidding effect and feel better.

In the above patent and prior art, the cross section of the ring body of the hand push ring is in a semi-hollow elliptical shape, and the inner part of the ring body is in a hollow state, but in the actual use situation, the outer surface of the hollow hand push ring is easy to be sunken inwards along with the extrusion of pressure or the impact of external force, the whole supporting force is insufficient, the whole ring body is easy to deform, and the shape can not be maintained, thereby affecting the normal use of a user.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hollow wheelchair hand push circle of taking skeleton has solved the problem that the hand push circle body under the hollow state easily takes place deformation to the not enough of prior art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a hollow wheelchair hand-push ring with a framework comprises a hand-push ring body, wherein an annular supporting framework is arranged in the hollow interior of the hand-push ring body, and the outer surface of the hand-push ring body is connected with a protective sleeve;

the protective sheath includes first block and closes the cover with the second block, it has a plurality of spacer pins all to be the annular in the inboard cavity of first block and second block, the inside wall of second block is the annular and is connected with two fixed blocks, the inside wall of first block just all is connected with the fixing base with the department that corresponds of two fixed blocks.

As a further technical scheme of the utility model, the supporting framework is the alloy material, the both ends surface and the inside and outside surface of supporting framework all are the annular and are provided with a plurality of backing sheets, the one end of backing sheet all is connected in the lateral wall of the inboard cavity of hand push circle body, just the inside wall of supporting framework is the annular and is connected with a plurality of connecting blocks.

As a further technical scheme of the utility model, the surface of hand push ring body all corresponds with a plurality of spacer pins and has seted up the pinhole, the surface of first block fit cover and second block fit cover all is provided with anti-skidding texture, first block fit cover and second block fit cover all correspond with a plurality of connecting blocks and have seted up the mounting groove.

As a further technical scheme of the utility model, one side surface of fixed block is connected with the lug, the surface of fixing base corresponds with the lug and has seted up the block groove, the notch has been seted up to the terminal surface of lug, the inboard of notch is connected with spacing shell fragment, the both sides of spacing shell fragment all are connected with the stopper.

As a further technical scheme of the utility model, first block cover and second block cover are the cotton material of bubble, the internal diameter size of first block cover and second block cover all with the external diameter size looks adaptation of hand push ring body, the internal diameter size of pinhole and the external diameter size looks adaptation of spacer pin, the internal diameter size of mounting groove and the external diameter size looks adaptation of connecting block.

As a further technical scheme of the utility model, the internal diameter size in block groove and the external diameter size looks adaptation of lug, two the fillet has all been seted up to the terminal surface of stopper, the fixed block is connected with the fixing base through spacing shell fragment and stopper.

Advantageous effects

The utility model provides a hollow wheelchair hand push ring with a framework. Compared with the prior art, the method has the following beneficial effects:

1. the utility model provides a hollow wheelchair hand push circle of taking skeleton, sets up annular supporting framework through the inboard cavity at oval hand push circle body, and supporting framework is connected with hand push circle body inside wall cavity through the backing sheet, can provide sufficient holding power for hand push circle body, prevents that hand push circle wholly takes place deformation in the use, improves the solidity ability of hand push circle, improves its life.

2. The utility model provides a hollow wheelchair hand push circle of taking skeleton, can provide the parcel for the hand push circle through set up first block cover and second block cover at hand push circle body surface, increase frictional force, be convenient for rotate, and prevent the scotch to the palm, and connect in the fixing base and the cooperation between the block groove of the interior lateral wall of second block cover and the corresponding department of lug and shell fragment and second block cover interior lateral wall, can make two stoppers carry on spacingly to the block groove, the dismouting of the first block cover of being convenient for and second block cover, thereby the washing of the protective sheath of being convenient for.

Drawings

FIG. 1 is a front view of a hollow, skeletal wheelchair hand rim;

FIG. 2 isbase:Sub>A cross-sectional view A-A of the hand rim of the hollow wheelchair withbase:Sub>A skeleton shown in FIG. 1;

FIG. 3 is an enlarged view of A in FIG. 2 of a hollow, skeletal wheelchair hand rim;

FIG. 4 is a schematic structural view of a hollow wheelchair hand rim with a frame;

FIG. 5 is an exploded view of a hollow wheelchair hand rim with a frame;

figure 6 is an enlarged view of B of figure 5 of a hollow skeletal wheelchair hand rim.

In the figure: 1. pushing the ring body; 11. a pin hole; 2. a support framework; 3. a protective sleeve; 31. a first snap fit sleeve; 32. a second snap fit sleeve; 33. a spacing pin; 34. mounting grooves; 35. a fixed block; 36. a fixed seat; 37. a bump; 38. a clamping groove; 39. a limiting elastic sheet; 301. a limiting block; 4. and (4) connecting the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a hollow wheelchair hand-push ring with a frame, which comprises: the utility model provides a hollow wheelchair hand push circle of taking skeleton, including hand push circle body 1, be provided with in the inside cavity of hand push circle body 1 and be annular supporting framework 2, hand push circle body 1's surface is connected with protective sheath 3, protective sheath 3 includes first block fit 31 and second block fit 32, it is connected with a plurality of spacer pins 33 all to be the annular in the inboard cavity of first block fit 31 and second block fit 32, the inside wall of second block fit 32 is the annular and is connected with two fixed blocks 35, the inside wall of first block fit 31 and the department of correspondence with two fixed blocks 35 all are connected with fixing base 36.

As shown in fig. 2-3, the supporting frame 2 is made of an alloy material, the two end surfaces, the inner surface and the outer surface of the supporting frame 2 are both provided with a plurality of supporting pieces in an annular shape, one end of each supporting piece is connected to the side wall of the inner side cavity of the hand-push ring body 1, and the inner side wall of the supporting frame 2 is connected with a plurality of connecting blocks 4 in an annular shape.

As shown in fig. 4 to 5, the outer surface of the hand rim body 1 and the plurality of limit pins 33 are respectively provided with a pin hole 11, the outer surfaces of the first engaging sleeve 31 and the second engaging sleeve 32 are provided with anti-slip textures, the first engaging sleeve 31, the second engaging sleeve 32 and the plurality of connecting blocks 4 are respectively provided with a mounting groove 34, the first engaging sleeve 31 and the second engaging sleeve 32 are both made of foam, the inner diameters of the first engaging sleeve 31 and the second engaging sleeve 32 are both adapted to the outer diameter of the hand rim body 1, the inner diameter of the pin hole 11 is adapted to the outer diameter of the limit pin 33, the inner diameter of the mounting groove 34 is adapted to the outer diameter of the connecting block 4, it should be noted that the plurality of limit pins 33 on the inner side walls of the first engaging sleeve 31 and the second engaging sleeve 32 are adapted to the corresponding pin holes 11 on the outer surface of the hand rim body 1, so as to facilitate the mounting of the first engaging sleeve 31 and the second engaging sleeve 32, and the mounting grooves 34 of the first engaging sleeve 31 and the second engaging sleeve 32 can be conveniently engaged with the connecting block 4, and the mounting groove 34 of the hand rim body can be conveniently mounted on the hand rim body 1.

As shown in fig. 5-6, a protrusion 37 is connected to a surface of one side of the fixing block 35, a fastening groove 38 is formed in the surface of the fixing base 36 corresponding to the protrusion 37, a notch is formed in an end surface of the protrusion 37, a limiting elastic sheet 39 is connected to an inner side of the notch, limiting blocks 301 are connected to two sides of the limiting elastic sheet 39, an inner diameter of the fastening groove 38 is matched with an outer diameter of the protrusion 37, rounded corners are formed in end surfaces of the two limiting blocks 301, the fixing block 35 is connected to the fixing base 36 through the limiting elastic sheet 39 and the limiting blocks 301, it should be noted that the first fastening sleeve 31 and the second fastening sleeve 32 can be fixed to an outer surface of the hand-push ring body 1 through cooperation between the limiting elastic sheet 39 on the end surface of the fixing block 35 and the fastening groove 38 at a corresponding position of the end surfaces of the limiting blocks 301 and the fixing base 36, and the first fastening sleeve 31 and the second fastening sleeve 32 are convenient to disassemble and assemble.

The utility model discloses a theory of operation: when the hand-push ring is used, the supporting framework 2 in the inner side cavity of the hand-push ring body 1 can improve the overall supporting force of the hand-push ring body 1 and prevent deformation, when the protective sleeve 3 needs to be cleaned, the limiting elastic sheet 39 connected to the end face of the bump 37 is pressed inwards, so that the end faces of the limiting blocks 301 connected to the two sides of the limiting elastic sheet 39 slide from the surface of the fixing seat 36 to be attached to the inner side wall of the clamping groove 38, then the first clamping sleeve 31 and the second clamping sleeve 32 are peeled outwards along the outer surface of the hand-push ring body 1, the limiting pins 33 connected to the inner sides of the cavities of the first clamping sleeve 31 and the second clamping sleeve 32 are separated from the pin holes 11 in the outer surface of the hand-push ring body 1, and then the first clamping sleeve 31 and the second clamping sleeve 32 can be completed.

Claims (6)

1. A hollow wheelchair hand-push ring with a framework comprises a hand-push ring body (1) and is characterized in that an annular supporting framework (2) is arranged in the hollow interior of the hand-push ring body (1), and the outer surface of the hand-push ring body (1) is connected with a protective sleeve (3);

protective sheath (3) are including first block fit cover (31) and second block fit cover (32), all be the annular in the inboard cavity of first block fit cover (31) and second block fit cover (32) and be connected with a plurality of spacer pins (33), the inside wall of second block fit cover (32) is the annular and is connected with two fixed blocks (35), the inside wall of first block fit cover (31) and all be connected with fixing base (36) with the department of corresponding of two fixed blocks (35).

2. The hollow wheelchair hand-push ring with the framework as claimed in claim 1, wherein the supporting framework (2) is made of alloy, the two end surfaces, the inner surface and the outer surface of the supporting framework (2) are both provided with a plurality of supporting pieces in an annular shape, one end of each supporting piece is connected to the side wall of the inner cavity of the hand-push ring body (1), and the inner side wall of the supporting framework (2) is connected with a plurality of connecting blocks (4) in an annular shape.

3. The hollow wheelchair hand-push ring with the framework as claimed in claim 2, wherein the outer surface of the hand-push ring body (1) and the plurality of limit pins (33) are respectively provided with a pin hole (11), the outer surfaces of the first snap-fit sleeve (31) and the second snap-fit sleeve (32) are respectively provided with an anti-slip texture, and the first snap-fit sleeve (31) and the second snap-fit sleeve (32) and the plurality of connecting blocks (4) are respectively provided with a mounting groove (34) correspondingly.

4. The hollow wheelchair hand-push ring with the framework as claimed in claim 1, wherein a protrusion (37) is connected to one side surface of the fixing block (35), a clamping groove (38) is formed in the surface of the fixing seat (36) and the protrusion (37) correspondingly, a notch is formed in the end surface of the protrusion (37), a limiting elastic sheet (39) is connected to the inner side of the notch, and two sides of the limiting elastic sheet (39) are connected with limiting blocks (301).

5. The hollow wheelchair hand push ring with the framework as claimed in claim 3, characterized in that the first snap-fit sleeve (31) and the second snap-fit sleeve (32) are made of foam, the inner diameter of the first snap-fit sleeve (31) and the inner diameter of the second snap-fit sleeve (32) are matched with the outer diameter of the hand push ring body (1), the inner diameter of the pin hole (11) is matched with the outer diameter of the limit pin (33), and the inner diameter of the mounting groove (34) is matched with the outer diameter of the connecting block (4).

6. The hollow wheelchair hand-push ring with the framework as claimed in claim 4, wherein the inside diameter of the engaging groove (38) is matched with the outside diameter of the projection (37), the end faces of the two limiting blocks (301) are both provided with a round corner, and the fixing block (35) is connected with the fixing seat (36) through the limiting elastic sheet (39) and the limiting blocks (301).

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