WO2019075734A1

WO2019075734A1 - Integrated wheel for bicycle, and bicycle

Info

Publication number: WO2019075734A1
Application number: PCT/CN2017/107077
Authority: WO
Inventors: 廖卓文; 方建伟
Original assignee: 广东高普达集团股份有限公司
Priority date: 2017-10-20
Filing date: 2017-10-20
Publication date: 2019-04-25
Also published as: CN109963723A

Abstract

An integrated wheel (100) for a bicycle comprises a hub (10). The hub (10) comprises a rim (20), a shaft sleeve (11), and a wheel disc (30). The rim (20) comprises a rim body (21) connected to the wheel disc (30) and flanges (22) protruding from the two sides of the rim body (21). The integrated wheel (100) for a bicycle also comprises a fixed structure disposed between the two flanges (22) and a tire (50) injection-molded to the rim body (21). The fixed structure is extended into the tire (50). The fixed structure is disposed between the two flanges (22) of the rim (20) and the tire (50) is injection-molded to the rim body (21) in an integrated manner, thereby facilitating the processing and the preparation; in addition, the fixed structure is extended into the tire (50) during injection, so as to fix the tire (50), and accordingly, the tire (50) can be prevented from falling off.

Description

Integrated bicycle wheel and bicycle

Technical field

[0001] The present invention pertains to the field of bicycles, and more particularly to an integrated bicycle wheel and a bicycle using the same.

Background technique

[0002] Bicycle wheels generally include a hub and a tire. In order to reduce maintenance, the use of pneumatic tires is increasing.

Inflatable tires are generally injection molded from a plastic material with good elasticity and mounted directly on the hub. This type of tire is injection molded from a plastic material and can be dispensed with without maintenance. However, since the tire has good elasticity, it is easy to fall off after being mounted on the hub.

technical problem

An object of the present invention is to provide an integrated bicycle wheel to solve the problem that the bicycle-free pneumatic tire existing in the prior art is easily detached from the hub.

Problem solution

Technical solution

[0004] In order to achieve the above object, the present invention adopts a technical solution of: providing an integrated bicycle wheel including a hub, the hub including a rim, a sleeve, and spokes connecting the rim and the sleeve, The rim includes a ring body connected to the spoke and a flange protruding from two sides of the ring body, the integrated bicycle wheel further comprising a fixing structure and injection molding disposed between the two flanges A tire formed on the ring body, the fixing structure extending into the tire.

[0005] Further, the fixing structure is a metal ring, and the ring body is provided with a support body supporting the metal ring

[0006] Further, the metal ring is a ring made of wire.

Further, the metal rings are at least two.

[0008] Further, the support body is provided with a positioning groove for positioning the metal ring.

[0009] Further, the support body is a plurality of support pieces disposed in the middle of the ring body.

[0010] Further, the metal ring is a ring made of a metal strip. [0011] Further, the support body is a support ring provided on the ring body to support an intermediate position in the width direction of the metal ring.

[0012] Further, the tire upper cymbal is provided with a plurality of through holes, and each of the through holes is disposed along an axial direction of the tire.

[0013] Further, a plurality of the through holes are evenly distributed on the tire.

[0014] Further, the rim, the sleeve and the spoke are integrally injection molded.

[0015] Further, the spoke includes a middle ring disposed coaxially with the sleeve, a plurality of support ribs connecting the middle ring and the sleeve, and a plurality of spokes connecting the middle ring and the rim The middle ring is disposed between the sleeve and the rim.

Further, each of the spokes includes two reinforcing ribs extending in parallel from the middle ring to the rim and a reinforcing plate connecting the middle of the two reinforcing ribs.

[0017] Further, a support plate is respectively disposed on each side of each of the support ribs.

Another object of the present invention is to provide a bicycle comprising the integrated bicycle wheel as described above.

Advantageous effects of the invention

Beneficial effect

[0019] The utility model provides an integrated bicycle wheel with the advantages that: Compared with the prior art, the invention provides a fixing structure between two flanges of the rim, and integrally injection molding the tire on the ring body. Therefore, it is convenient to process and manufacture, and in the case of injection molding, the fixed structure is inserted into the tire to fix the tire, thereby preventing the tire from falling off.

[0020] The bicycle uses the above-described integrated bicycle wheel, the tire is not easily detached, and the tire is free of maintenance.

Brief description of the drawing

DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings to be used in the embodiments or the prior art description will be briefly described below. Obviously, the drawings in the following description are merely Some embodiments of the present invention may also be used to obtain other drawings based on these drawings without departing from the skilled artisan.

1 is a schematic structural view of an integrated bicycle wheel according to an embodiment of the present invention;

2 is a cross-sectional view showing a partial structure of the integrated bicycle wheel of FIG. 1 at an angle in a radial direction; [0023] FIG.

3 is a cross-sectional view showing a partial structure of the integrated bicycle wheel of FIG. 1 at another angle in the radial direction; [0024] FIG. 4 is a schematic exploded view of the integrated bicycle wheel of FIG. 1;

5 is a schematic structural view of a hub of FIG. 4.

[0027] wherein, the figures in the figure are mainly marked:

[0028] 100--body bicycle wheel; 10-wheel hub; 11-shaft sleeve; 20-rim; 21-ring body; 22-flange; 23-support piece; 231-positioning groove; 30-spoke; Middle ring; 32-support rib; 33-support plate; 34-spoke; 341- stiffener; 342- stiffener; 343-ring; 35-spoke; 50-tire; 51-through hole; 52-grain; 60-metal ring.

Embodiments of the invention

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. FIG. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

[0030] It is to be noted that when an element is referred to as being "fixed" or "in" another element, it can be directly on the other element or indirectly. When an element is referred to as being "connected" to another element, it can be connected directly to the other element or indirectly connected to the other element.

In addition, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless specifically defined otherwise.

[0032] In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "previous", "rear", "left" ", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside"

The orientation or positional relationship of the instructions is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of the description of the invention and the simplified description, rather than indicating or implying that the device or component referred to has a specific orientation, The orientation and construction of the orientation are not to be construed as limiting the invention.

[0033] In the description of the present invention, it should be noted that the terms "installation", "connected", and "connected" should be understood broadly, unless otherwise explicitly defined and limited. For example, it may be a fixed connection or It is a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, which can be the internal connection of two elements or the interaction of two elements. Relationship. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

[0034] Referring to FIG. 1 to FIG. 3 together, the integrated bicycle wheel 100 provided by the present invention will now be described. The integrated bicycle wheel 100 includes a hub 10, a fixed structure and a tire 50; the hub 10 includes a rim 20, a sleeve 11 and spokes 30, and the spokes 30 connect the rim 20 and the sleeve 11 to connect the rim 20 with the shaft The sleeve 11 is fixedly connected. The rim 20 includes a ring body 21 and two flanges 22, and the two flanges 22 are respectively located at two sides of the ring body 21, and the flanges 2 2 are formed by the side edges of the ring body 21 so that the rim 20 The outer middle portion forms a U-shaped groove structure for accommodating the inner side portion of the tire 50; the ring body 21 is coupled to the spokes 30 to fix the rim 20 to the spokes 30. The fixing structure is disposed between the two flanges 22, and the tire 50 is injection molded on the ring body 21, so that during the injection molding, the plastic material can fill the space between the ring body 21 and the two flanges 22, and the same is wrapped and fixed. The structure is such that after the plastic material is cured, the fixed structure can be inserted into the tire 50 to hold the tire 50 to prevent the tire 50 from falling off the hub 10.

[0035] The integrated bicycle wheel 100 provided by the present invention provides a fixed structure between the two flanges 22 of the rim 20 and injection molding the tire 50 into the ring body as compared with the prior art. 21, thereby facilitating the processing, and in the case of injection molding, the fixing structure is inserted into the tire 50 to fix the tire 50, so that the tire 50 can be prevented from falling off.

[0036] Further, please refer to FIG. 2 to FIG. 4 as a specific embodiment of the integrated bicycle wheel 100 provided by the present invention. The fixing structure is a metal ring 60, and the ring body 21 is provided with a supporting metal ring 60. Support body. Using the metal ring 60 as a fixed structure, the metal ring 60 can be placed in the tire 50 after injection molding of the tire 50, and since the metal ring 60 has good plastic deformation resistance, the tire 50 can be prevented from falling off the rim 20. . The support body can be provided to support the metal ring 60 on the rim 20. The support body may be a support plate provided on the ring body 21 or a bracket mounted on the ring body 21 or the flange 22.

[0037] Of course, in other embodiments, the fixing structure may also be a hook structure or a hook structure fixed to the ring body 21. Thus, in the case of an injection molded tire 50, a hook structure or a hook structure can be inserted into the tire 50 to prevent the tire 50 from coming off the hub 10.

[0038] Further, please refer to FIG. 2 to FIG. 4 as a specific embodiment of the integrated bicycle wheel 100 provided by the present invention. The metal ring 60 is a ring made of metal wire. The ring body made of wire is used as a fixed structure, and has a simple structure, convenient installation, and low cost. [0039] Further, please refer to FIG. 2 to FIG. 4 together. As a specific implementation manner of the integrated bicycle wheel 100 provided by the present invention, the metal ring 60 made of metal wire can be used only by one, that is, it can be prevented. The tire 50 is detached from the hub 10. Of course, preferably, the metal ring 60 made of wire may use two or more, such as three, four, etc., so that in the injection molding of the tire 50, a plurality of wires may be placed inside the tire 50, Further, the tire 50 can be more stably fixed to the rim 20.

[0040] Further, please refer to FIG. 2 to FIG. 4 as a specific embodiment of the integrated bicycle wheel 100 provided by the present invention. The support body is provided with a positioning groove 231 for positioning the metal ring 60. A positioning groove 231 is provided on the support body so that the metal ring 60吋 made of the wire can be inspected for positioning.

[0041] Further, please refer to FIG. 2 to FIG. 4 as a specific embodiment of the integrated bicycle wheel 100 provided by the present invention. The support body is a plurality of support pieces 23 disposed in the middle of the ring body 21. By using the support piece 23 to support the metal ring 60, the metal ring 60 can be suspended between the two flanges 22, and in the case of the injection molded tire 50, the tire 50 can be better wrapped around the metal ring 60.

[0042] Further, please refer to FIG. 2 to FIG. 4 as a specific embodiment of the integrated bicycle wheel 100 provided by the present invention. Each of the support pieces 23 is provided with the positioning groove 231 for positioning the wire. .

[0043] In other embodiments, the metal ring 60 may also be a ring made of a metal strip. The metal strip is used to form the ring body. In the case of injection molding, the tire 50 can also be wrapped around the sides of the metal strip to fix the tire 50 to the rim 20. Further, the support body is a support ring provided on the ring body 21 to support the intermediate position in the width direction of the metal ring 60. The structure is easy to process and manufacture, and the support body and the ring body 21 can be integrally formed in the ring body 21 制作.

[0044] Further, please refer to FIG. 2 to FIG. 4 as a specific embodiment of the integrated bicycle wheel 100 provided by the present invention. The tire 50 is provided with a plurality of through holes 51, and the through holes 51 are along the tire. 50 axial setting. By providing a through hole 51 in the tire 50, the elasticity of the tire 50 can be increased.

[0045] Further, please refer to FIG. 2 to FIG. 4 together. As a specific embodiment of the integrated bicycle wheel 100 provided by the present invention, a plurality of through holes 51 are evenly distributed on the tire 50. A plurality of through holes 51 are evenly distributed on the tire 50 for easy processing design. Further, the distance between the adjacent two through holes 51 is in the range of 0.3 - 0.5 cm, so that the tire 50 has good elasticity.

[0046] Further, please refer to FIG. 1 to FIG. 4 as a specific embodiment of the integrated bicycle wheel 100 provided by the present invention. The outer surface of the tire 50 is disposed on a plurality of lines 52 to increase the running of the tire 50. of Friction.

[0047] Further, please refer to FIG. 2 to FIG. 5 together. As a specific implementation manner of the integrated bicycle wheel 100 provided by the present invention, the rim 20, the sleeve 11 and the spokes 30 are integrally injection molded for convenience. Processing, improving production efficiency and reducing molding.

[0048] Further, please refer to FIG. 2 to FIG. 5 together. As a specific implementation manner of the integrated bicycle wheel 100 provided by the present invention, the support body may be integrally formed with the rim 20 to facilitate processing.

[0049] Further, please refer to FIG. 2 to FIG. 5 as a specific embodiment of the integrated bicycle wheel 100 provided by the present invention. The spoke 30 includes a middle ring 31, a plurality of support ribs 32 and a plurality of spokes 34. The ring 31 is disposed coaxially with the sleeve 11, and the middle ring 31 is disposed between the sleeve 11 and the rim 20. The support rib 32 connects the sleeve 11 and the middle ring 31 to fix the middle ring 31 and the sleeve 11 fixedly. The spokes 34 connect the middle ring 31 with the rim 20 to fix the middle ring 31 to the rim 20, and the middle ring 31 is provided to increase the strength of the middle portion of the spoke 30 and increase the ability of the spoke 30 to receive the lateral pressure in the middle.

[0050] Further, please refer to FIG. 2 to FIG. 5 together. As a specific embodiment of the integrated bicycle wheel 100 provided by the present invention, each spoke 34 includes two reinforcing ribs 341 and connects the two reinforcing ribs 341. The central reinforcing plate 342, the two reinforcing ribs 341 extend from the middle ring 31 to the rim 20 in parallel to connect the middle ring 31 with the rim 20, and two reinforcing ribs 341 are provided to increase the strength and the bearing side of the spokes 34. The ability to stress.

[0051] Further, please refer to FIG. 2 to FIG. 5 together. As a specific embodiment of the integrated bicycle wheel 100 provided by the present invention, the thickness of the support rib 32 ranges from 5 mm to 15 mm, so that the support rib 32 has Sufficient strength to meet practical applications.

[0052] Further, please refer to FIG. 2 to FIG. 5 together. As a specific implementation manner of the integrated bicycle wheel 100 provided by the present invention, the thickness of the middle ring 31 ranges from 5 mm to 15 mm, so that the middle ring 31 has Sufficient strength to meet practical applications.

[0053] Further, please refer to FIG. 2 to FIG. 5 as a specific embodiment of the integrated bicycle wheel 100 provided by the present invention. The thickness of the reinforcing rib 341 ranges from 5 mm to 15 mm, so that the reinforcing rib 341 has Sufficient strength to meet practical applications.

[0054] Further, please refer to FIG. 2 to FIG. 5 together. As a specific embodiment of the integrated bicycle wheel 100 provided by the present invention, the inner diameter of the middle ring 31 is 1/3-4/ of the inner diameter of the rim 20. 9. The inner diameter of the middle ring 31 is set to 1/3-4/9 of the inner diameter of the rim 20, so that the middle ring 31 is in the middle portion of the lateral force of the spoke 30, and the spokes 30 can be made It has high strength and improves its lateral pressure bearing capacity. Preferably, the inner diameter of the middle ring 31 is set to 1/3 of the inner diameter of the rim 20.

[0055] Further, as shown in FIG. 2 to FIG. 5, as one embodiment of the integrated bicycle wheel 100 provided by the present invention, support plates 33 are respectively disposed on both sides of each support rib 32. The support plates 33 are respectively disposed on both sides of the support ribs 32, so that the connection strength between the middle ring 31 and the sleeve 11 can be increased, and the middle ring 31 can be more firmly connected with the sleeve 11, and the lateral direction of the middle ring 31 can be raised. The ability to withstand stress.

[0056] Further, please refer to FIG. 2 to FIG. 5 together. As a specific implementation manner of the integrated bicycle wheel 100 provided by the present invention, two ends of the support ribs 32 are respectively provided with support plates 33, and each support The plate 33 has a triangular shape, and the width of one end of each of the support plates 33 near the middle of the corresponding support rib 32 is the width of the other side of the support plate 33. A triangular support plate 33 is respectively disposed at both ends of each side of the support rib 32, which can reduce the use of materials on the one hand, and can improve the fixing strength of the support ribs 32 by utilizing the stability of the triangular structure on the other hand.

[0057] Further, as shown in FIG. 2 to FIG. 5, as one embodiment of the integrated bicycle wheel 100 provided by the present invention, the support plates 33 on both sides of each support rib 32 are symmetrically disposed on the support rib 32. On both sides. The structure can be conveniently designed and manufactured, and the performance of the support ribs 32 is balanced with the strength of the support ribs 32, and the ridges are made at the same time, the stresses on both sides of the support ribs 32 are balanced, and the strengths on both sides of the support ribs 32 are ensured.

[0058] Further, please refer to FIG. 2 to FIG. 5 together. As a specific implementation manner of the integrated bicycle wheel 100 provided by the present invention, the spoke 30 further includes an end connecting the adjacent two spokes 34 to the middle ring 31. And the web 35 of the middle ring 31. The web 35 is disposed, and the web 35 is joined to the adjacent two spokes 34 and the middle ring 31 to further increase the joint strength of each of the spokes 34 and the center ring 31.

[0059] Further, please refer to FIG. 2 to FIG. 5 together. As a specific embodiment of the integrated bicycle wheel 100 provided by the present invention, the side of each of the webs 35 away from the middle ring 31 is inwardly recessed. arc. The side of each of the webs 3 5 away from the middle ring 31 is arranged in a circular arc shape, which can reduce the stress concentration of the manufacturing crucible, facilitate the processing, and increase the radial force of the spokes 30, and the reinforcing ribs 341 can be made at the same time. Connection strength with the middle ring 31

[0060] Further, please refer to FIG. 2 to FIG. 5 as a specific embodiment of the integrated bicycle wheel 100 provided by the present invention. Each of the reinforcing ribs 341 is adjacent to the rim 20 and has a circle with the rim 20 An arc segment with corners connected. An arc segment connected to the rim 20 in a rounded corner is disposed on each of the reinforcing ribs 341 to increase the reinforcing ribs 34. 1 The strength of the connection with the rim 20.

[0061] Further, please refer to FIG. 2 to FIG. 5 together. As a specific embodiment of the integrated bicycle wheel 100 provided by the present invention, among the two reinforcing ribs 341 of each spoke 34: a circle of a reinforcing rib 341 The radius of the arc segment 3412 is greater than the radius of the arc segment 3411 of the other reinforcing rib 341. The radius of the arc segment 3 411 of one reinforcing rib 341 is set small to facilitate distinguishing the forward and backward directions of the hub 10. Generally, the radius of the arc segment 3411 of the reinforcing rib 341 is smaller. In the running 吋, in the forward direction, the other reinforcing rib 341 is in the rearward direction; in addition, the radius of the circular arc segment 3412 of the rear reinforcing rib 341 is set larger, and the reinforcing rib 341 can be added The strength of the connection of the rim 20.

[0062] Further, please refer to FIG. 2 to FIG. 5 together. As a specific implementation manner of the integrated bicycle wheel 100 provided by the present invention, each spoke 34 further includes a circle connecting one end of the two arc segments close to each other. Ring 343. By providing the ring 343, the connection strength of the two reinforcing ribs 341 can be increased.

[0063] Further, please refer to FIG. 2 to FIG. 5 as a specific embodiment of the integrated bicycle wheel 100 provided by the present invention. In each spoke 34, the distance between the two reinforcing ribs 341 is determined by the middle ring 31. Gradually shrink to two arc segments. The structure can receive the lateral pressure 在 in the hub 10 and guide the force in the direction of the rim 20, so that the rim 20 is subjected to lateral pressure to increase the lateral pressure of the hub 10.

The present invention also provides a bicycle. Referring to FIG. 1, the bicycle includes the integrated bicycle wheel 100 as described above. The bicycle uses the above-described integrated bicycle wheel 100, the tire 50 is not easily peeled off, and the tire 50 is free of maintenance.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalents, and improvements made within the spirit and scope of the present invention should be included in the present invention. Within the scope of protection of the invention.

Claims

Claim

[Claim 1] An integrated bicycle wheel includes a hub, the hub including a rim, a sleeve, and spokes connecting the rim and the sleeve, the rim including a ring body coupled to the spoke and a flange protruding from two sides of the ring body, wherein: the integrated bicycle wheel further comprises a tire disposed between the two flanges and fixedly molded and injection molded on the ring body. The fixing structure projects into the tire.

The integrated bicycle wheel according to claim 1, wherein the fixing structure is a metal ring, and the ring body is provided with a support body for supporting the metal ring.

Claim 3: The integrated bicycle wheel according to claim 2, wherein the metal ring is a ring made of a metal wire.

Claim 4: The integrated bicycle wheel according to claim 3, wherein the metal ring is at least two.

Claim 5: The integrated bicycle wheel according to claim 3, wherein: the support body is provided with a positioning groove for positioning the metal ring.

Claim 6: The integrated bicycle wheel according to claim 2, wherein the support body is a support piece that is disposed in a middle portion of the ring body.

The integrated bicycle wheel according to claim 2, wherein the metal ring is a ring made of a metal belt.

The integrated bicycle wheel according to claim 7, wherein the support body is a support ring provided on the ring body to support an intermediate position in the width direction of the metal ring.

The integrated bicycle wheel according to any one of claims 1 to 8, characterized in that: the tire upper jaw is provided with a plurality of through holes, each of the through holes being arranged along the axial direction of the tire .

The integrated bicycle wheel according to claim 9, wherein: said plurality of through holes are evenly distributed on said tire.

The integrated bicycle wheel according to any one of claims 1 to 8, wherein the rim, the sleeve and the spoke are integrally injection molded.

The integrated bicycle wheel according to claim 11, wherein: the spoke includes a middle ring coaxially disposed with the sleeve, and a plurality of support ribs connecting the middle ring and the sleeve with Connecting the middle ring and the plurality of spokes of the rim, the middle ring being disposed between the sleeve and the rim.

[Claim 13] The integrated bicycle wheel according to claim 12, wherein: each of said spokes includes two reinforcing ribs extending in parallel from said middle ring to said rim and connecting said two reinforcing portions Reinforcement plate in the middle of the rib.

[Claim 14] The integrated bicycle wheel according to claim 13, wherein each of the support ribs is provided with a support plate on both sides thereof.

[Claim 15] A bicycle, comprising: the integrated self-propelled wheel according to any one of claims 1-14.