CN207510161U

CN207510161U - It is a kind of to coordinate close wheelchair tire with wheel hub

Info

Publication number: CN207510161U
Application number: CN201721423349.1U
Authority: CN
Inventors: 范亚军
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-10-31
Filing date: 2017-10-31
Publication date: 2018-06-19
Anticipated expiration: 2027-10-31

Abstract

Coordinate close wheelchair tire with wheel hub the utility model discloses a kind of, be related to wheelchair accessory technical field.The utility model includes tire body, the bottom of tire body is integrally formed with ring-shaped step, the appear on the stage annular chamber of scalariform of ring-shaped step and wheel hub matches, ring-shaped step includes first step and the second step below first step, the width of the width G T.GT.GT second steps of the width G T.GT.GT first steps of tire body, the top both sides of first step are respectively equipped with annular groove, the lower part of first step is tapered, form inclined mounting surface, the bottom of annular chamber offsets on the bottom of second step and wheel hub.The bottom of the ring-shaped step of the utility model and the bottom of annular chamber offset, and tire is fuller to the filling of wheel hub, and cooperation is closer, and the annular groove on ring-shaped step is matched with the annular protrusion on the inside of annular chamber, tire is not easy to come off from wheel hub, and the stability of work is more preferable, safety coefficient higher.

Description

It is a kind of to coordinate close wheelchair tire with wheel hub

Technical field

The utility model is related to wheelchair accessory technical fields, are closely taken turns with wheel hub cooperation more specifically to a kind of Chair tire.

Background technology

At present, occurs a kind of novel wheelchair wheel hub in the market, as shown in Figure 1, the wheel hub is equipped with step-like ring Shape chamber, which includes the first wider ring cavity 21 and the second relatively narrow ring cavity 22, and the first ring cavity 21 is located at the second ring cavity 22 outside, and the both sides inner wall of the first ring cavity 21 is equipped with annular protrusion 23.

Existing wheelchair tire is mostly solid tyre, but can not be matched with this tire, and installation diagram is as shown in Fig. 2, one Aspect, the bottom of traditional tire 1 and the second ring cavity 22 of wheel hub 2 is hanging, tire 1 and unfilled wheel hub 2, and tire 1 easily damages It is bad；On the other hand, the annular protrusion 23 that tire 1 is equipped with 21 inner wall of the first ring cavity cannot preferably coordinate, and tire 2 is receiving side When to extruding force, easily come off from wheel hub 2, there are some potential safety problemss.

In addition, the friction figure line design on existing tire is not quite reasonable, more or less there is between ground Frictional force it is undesirable the problem of.

Invention content

1. utility model technical problems to be solved

The purpose of the utility model is to overcome existing tires to provide one with the close-fitting deficiency of above-mentioned wheel hub Kind coordinates close wheelchair tire with wheel hub.Using the technical solution of the utility model, the ring-shaped step of tire body bottom with The appear on the stage annular chamber of scalariform of wheel hub matches, and the bottom of ring-shaped step and the bottom of annular chamber offset, filling of the tire to wheel hub Fuller, cooperation is closer, and the annular groove on ring-shaped step is matched with the annular protrusion on the inside of annular chamber, tire be not easy from It comes off on wheel hub, the stability of work is more preferable, safety coefficient higher.

2. technical solution

In order to achieve the above objectives, technical solution provided by the utility model is：

One kind of the utility model coordinates close wheelchair tire, including tire body, the tire body with wheel hub Bottom integrally formed with ring-shaped step, the appear on the stage annular chamber of scalariform of the ring-shaped step and wheel hub matches, the ring Shape step includes first step and the second step below first step, the width G T.GT.GT first steps of the tire body Width G T.GT.GT second steps width, the top both sides of the first step are respectively equipped with annular groove, the First The lower part of rank is tapered, forms inclined mounting surface, and the bottom of annular chamber offsets on the bottom of the second step and wheel hub.

Further, the middle part width b of the first step is more than top width a, and bottom width c is no more than top Portion width a.

Further, the top width a of the first step is equal or slightly larger than the convex annular for taking turns hub wall both sides Spacing between rising.

Further, the middle part width b of the first step is equal or slightly larger than the width of the first ring cavity of wheel hub.

Further, the width of the tire body is slightly larger than the width of wheel hub.

Further, the peripheral surface of the tire body is uniformly provided with the friction decorative pattern of multigroup protrusion.

Further, the friction decorative pattern includes main brake pad and the auxiliary friction for being symmetrically set in main brake pad both sides Block is serrated on the outside of the auxiliary brake pad.

Further, the area of the main brake pad is more than the area of auxiliary brake pad.

3. advantageous effect

Using technical solution provided by the utility model, compared with existing known technology, have the advantages that：

(1) one kind of the utility model coordinates close wheelchair tire, the ring-shaped step of tire body bottom with wheel hub It is matched with the appear on the stage annular chamber of scalariform of wheel hub, the bottom of ring-shaped step and the bottom of annular chamber offset, and tire fills out wheel hub Fill it is fuller, cooperation it is closer, stability is more preferable, and tire is also less damaged, and service life is longer.

(2) one kind of the utility model and wheel hub coordinate close wheelchair tire, the annular groove on ring-shaped step with Annular protrusion on the inside of annular chamber matches, and when tire receives lateral compression power, is not easy to come off from wheel hub, the stabilization of work More preferable, the safety coefficient higher of property.

(3) one kind of the utility model coordinates close wheelchair tire with wheel hub, and the lower part of first step is tapered, is formed Inclined mounting surface, the mounting surface are convenient for the middle part of the larger first step of width from being pressed into the first ring between two annular protrusions Intracavitary, reasonable design are easy for installation.

(4) one kind of the utility model and wheel hub coordinate close wheelchair tire, friction decorative pattern include main brake pad and It is symmetrically set in the auxiliary brake pad of main brake pad both sides, the area of main brake pad is more than the area of auxiliary brake pad, and auxiliary brake pad Outside is serrated, the frictional force bigger between tire and ground.

Description of the drawings

Fig. 1 is the schematic cross-section of wheel hub；

Fig. 2 is conventional tire and the assembling schematic diagram of wheel hub；

Fig. 3 is that a kind of and wheel hub of the utility model coordinates the schematic cross-section of close wheelchair tire；

Fig. 4 is the tire of the utility model and the assembling schematic diagram of wheel hub；

Fig. 5 is the floor map of the friction decorative pattern of the utility model.

Label declaration in schematic diagram：

1st, tire；11st, tire body；12nd, first step；13rd, second step；14th, annular groove；15th, mounting surface；16、 Rub decorative pattern；161st, main brake pad；162nd, auxiliary brake pad；

2nd, wheel hub；21st, the first ring cavity；22nd, the second ring cavity；23rd, annular protrusion.

Specific embodiment

To further appreciate that the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.

Embodiment

With reference to Fig. 1, Fig. 3 and Fig. 4, the one kind and wheel hub of the present embodiment coordinate close wheelchair tire, including tire body 11, integrally formed with ring-shaped step, the appear on the stage annular chamber of scalariform of ring-shaped step and wheel hub 2 matches for the bottom of tire body 11. Ring-shaped step includes first step 12 and the second step 13 positioned at 12 lower section of first step, the width G T.GT.GT first of tire body 11 The width of the width G T.GT.GT second steps 13 of step 12, the both side ends of tire body 11 and the both sides of wheel hub 2 offset.

As shown in Figure 3 and Figure 4, the top both sides of first step 12 are respectively equipped with annular groove 14, the annular groove 14 with Annular protrusion 23 on the inside of wheel hub annular chamber matches, and plays the role of being fixed, when tire 1 receives lateral compression power, It is not easy to come off from wheel hub 2, the stability of work is more preferable, safety coefficient higher.The lower part of first step 12 is tapered, is formed inside Inclined mounting surface 15, the mounting surface 15 are convenient for pressing the middle part of the larger first step 12 of width between two annular protrusions 23 Enter in the first ring cavity 21 (shown in Fig. 1), reasonable design is easy for installation.Specifically, the top width a (i.e. two of first step 12 The distance between annular groove 14) spacing between the annular protrusion 23 of 2 inner wall both sides of wheel hub is equal or slightly larger than, convenient for annular Protrusion 23 is fitted close with annular groove 14；The middle part width b of first step 12 is more than top width a, then middle part width b is more than Spacing between two annular protrusions 23, annular protrusion 23 have barrier effect to the middle part of first step 12, and tire 1 will not be from wheel It is detached from hub 2；The middle part width b of first step 12 is equal or slightly larger than the width of the first ring cavity 21 of wheel hub 2, then first step 12 middle part is fitted close with the first ring cavity 21；Bottom width c be not more than top width a, preferably, bottom width c be less than or Equal to the spacing between two annular protrusions 23, in order to install.

Hookup 4, the bottom and the bottom of annular chamber on wheel hub 2 of the second step 13 of the present embodiment offset, and tire 1 is to wheel The filling of hub 2 is fuller, and cooperation is closer, and stability is more preferable, and tire 1 is also less damaged, and service life is longer.

The width of the tire body 11 of the present embodiment is slightly larger than the width of wheel hub 2, and the peripheral surface of tire body 11 is uniform Friction decorative pattern 16 equipped with multigroup protrusion.

As shown in figure 5, friction decorative pattern 16 includes main brake pad 161 and the auxiliary friction for being symmetrically set in main 161 both sides of brake pad Block 162, the outside of auxiliary brake pad 162 are serrated, and the area of main brake pad 161 is more than the area of auxiliary brake pad 162, tire Frictional force bigger between 1 and ground, grab and braking ability it is more preferable.

Certainly, the tire 1 of the present embodiment is made of rubber material, tire body 11, first step 12, second step 13 And friction decorative pattern 16 is integrally formed.

One kind of the utility model coordinates close wheelchair tire, the ring-shaped step and wheel hub of tire body bottom with wheel hub The annular chamber of scalariform of appearing on the stage matches, and the bottom of ring-shaped step and the bottom of annular chamber offset, and tire is fuller to the filling of wheel hub, Cooperation is closer, and the annular groove on ring-shaped step is matched with the annular protrusion on the inside of annular chamber, and tire is not easy from wheel hub On come off, the stability of work is more preferable, safety coefficient higher.

Schematically the utility model and embodiments thereof are described above, this describes no restricted, attached drawing Shown in be also the utility model one of embodiment, practical structure is not limited thereto.So if this field Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, without creatively designing The frame mode similar to the technical solution and embodiment, all should belong to the protection range of the utility model.

Claims

1. a kind of coordinate close wheelchair tire with wheel hub, including tire body (11), it is characterised in that：The tire body (11) bottom is integrally formed with ring-shaped step, and the appear on the stage annular chamber of scalariform of the ring-shaped step and wheel hub (2) matches, institute The ring-shaped step stated includes first step (12) and the second step (13) below first step (12), the tire sheet The width of the width G T.GT.GT second steps (13) of the width G T.GT.GT first steps (12) of body (11), the top of the first step (12) Both sides are respectively equipped with annular groove (14), and the lower part of the first step (12) is tapered, form inclined mounting surface (15), institute The bottom and the bottom of annular chamber on wheel hub (2) for the second step (13) stated offset.

2. a kind of and wheel hub according to claim 1 coordinates close wheelchair tire, it is characterised in that：The First The middle part width b of rank (12) is more than top width a, and bottom width c is not more than top width a.

3. a kind of and wheel hub according to claim 2 coordinates close wheelchair tire, it is characterised in that：The First The top width a of rank (12) is equal or slightly larger than the spacing between the annular protrusion (23) of wheel hub (2) inner wall both sides.

4. a kind of and wheel hub according to claim 3 coordinates close wheelchair tire, it is characterised in that：The First The middle part width b of rank (12) is equal or slightly larger than the width of the first ring cavity (21) of wheel hub (2).

5. a kind of and wheel hub according to claim 4 coordinates close wheelchair tire, it is characterised in that：The tire sheet The width of body (11) is slightly larger than the width of wheel hub (2).

6. a kind of and wheel hub according to claim 1 coordinates close wheelchair tire, it is characterised in that：The tire sheet The peripheral surface of body (11) is uniformly provided with the friction decorative pattern (16) of multigroup protrusion.

7. a kind of and wheel hub according to claim 6 coordinates close wheelchair tire, it is characterised in that：The friction flower Line (16) is including main brake pad (161) and is symmetrically set in the auxiliary brake pad (162) of main brake pad (161) both sides, described auxiliary to rub Cleaning block is serrated on the outside of (162).

8. a kind of and wheel hub according to claim 7 coordinates close wheelchair tire, it is characterised in that：The main friction The area of block (161) is more than the area of auxiliary brake pad (162).