CN212889672U

CN212889672U - Local reinforcing structure for spoke hole of carbon fiber rim

Info

Publication number: CN212889672U
Application number: CN202022094417.2U
Authority: CN
Inventors: 童本刚
Original assignee: Xiamen Yuan Composite Materials Technology Co ltd
Current assignee: Xiamen Yuan Composite Materials Technology Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-04-06
Anticipated expiration: 2030-09-23

Abstract

The utility model belongs to the technical field of bicycle accessories, especially be carbon fiber wheel rim spoke hole local reinforcement structure, including the wheel rim body, a plurality of spoke mounting holes have been seted up to the wheel rim body, the wheel rim body outside fixedly connected with the corresponding enhancement post of spoke mounting hole, the enhancement post has seted up the through-hole, the through-hole with the spoke mounting hole intercommunication, and each enhancement post outer wall both sides all fixedly connected with the strengthening rib strip, every two the strengthening rib strip all is the symmetric distribution; the utility model discloses in through add the enhancement post on the spoke mounting hole, make the position that has the spoke hole increase thickness, no spoke hole position reduces thickness, and every enhancement post passes through the strengthening rib strip and connects, guarantees the stability that the enhancement post is connected with the wheel rim, and this kind of mode through local reinforcing compares in the whole circle reinforcing of traditional wheel rim, can control the thickness of wheel rim body, the reasonable quantity that has reduced the material, has reduced the weight of wheel rim.

Description

Local reinforcing structure for spoke hole of carbon fiber rim

Technical Field

The utility model belongs to the technical field of the bicycle accessory, concretely relates to local reinforcing structure in carbon fiber wheel rim spoke hole.

Background

The carbon fiber rim spoke is a rim spoke structure made of carbon fiber, wherein the carbon fiber is lighter than metal aluminum in mass, but higher in strength than steel, has the characteristics of high hardness, high strength, light weight, high chemical resistance and high temperature resistance, has the inherent characteristic of carbon material, has the soft processability of textile fiber, is a new generation of reinforced fiber, is also called a rim, is also called a hub, is generally called a hub used on an automobile, is used on a motorcycle, an electric bicycle and a bicycle, is partially provided with spokes, can reduce the weight of the wheel by adopting spoke connection, and provides a supporting force for the rim and transmits a rotating force of an axle.

The prior rim needs to be provided with a plurality of spoke holes so as to install spokes, so that the spokes are stably fixed with the rim, and the stable use of the rim is ensured.

Accordingly, those skilled in the art have provided a carbon fiber rim spoke hole local reinforcement structure to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a carbon fiber wheel rim spoke hole local reinforcement structure has the local reinforcing of spoke hole position, alleviates the characteristics of wheel rim weight.

In order to achieve the above object, the utility model provides a following technical scheme: the local reinforcing structure for the spoke holes of the carbon fiber rim comprises a rim body, wherein a plurality of spoke mounting holes are formed in the rim body, reinforcing columns corresponding to the spoke mounting holes are fixedly connected to the outer side of the rim body, through holes are formed in the reinforcing columns and communicated with the spoke mounting holes, reinforcing ribs are fixedly connected to the two sides of the outer wall of each reinforcing column, every two reinforcing ribs are symmetrically distributed, a plurality of protruding round platforms are fixedly connected to the inner side of the rim body, and the plurality of protruding round platforms correspond to the plurality of spoke mounting holes respectively.

Preferably, the diameter of the reinforcing column is twice the width of the reinforcing rib.

Preferably, the reinforcing ribs are arc-shaped.

Preferably, the protruding circular truncated cone is provided with a through groove in a penetrating manner, and the through groove is communicated with the spoke mounting hole.

Preferably, the protruding round platform is close to one side of spoke mounting hole has seted up the mounting groove, the mounting groove with run through the groove intercommunication, just the diameter of mounting groove is run through one point of groove diameter is twice.

Preferably, the inner side of the mounting groove is provided with a buffer ring, and the buffer ring is made of rubber.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses in through add the enhancement post on the spoke mounting hole, make the position that has the spoke hole increase thickness, no spoke hole position reduces thickness, and every enhancement post passes through the strengthening rib strip and connects, guarantee the stability that the enhancement post is connected with the wheel rim, this kind of mode through local reinforcing, compare in the whole circle reinforcing of traditional wheel rim, the reasonable quantity that has reduced the material, the weight of wheel rim has been reduced, and the protruding round platform that sets up is located the inboard of wheel rim body, the mounting groove has been seted up on the protruding round platform, be equipped with the buffering circle in the mounting groove, the buffering circle can surround the outside at the spoke, make the in-process that uses at the wheel rim, can reduce the local stress that the spoke received.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a schematic structural view of the inner part of the rim body according to the present invention;

fig. 4 is an enlarged view of a portion a in fig. 3.

In the figure: 1. a rim body; 101. spoke mounting holes; 2. a reinforcement column; 201. a through hole; 21. reinforcing ribs; 3. a convex circular truncated cone; 301. a through groove; 302. mounting grooves; 31. and a buffer ring.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: local reinforcing structure in carbon fiber rim spoke hole, including rim body 1, a plurality of spoke mounting hole 101 has been seted up to

rim body

1, 1 outside fixedly connected with of rim body and the corresponding enhancement post 2 of spoke mounting hole 101, through-hole 201 has been seted up to enhancement post 2, through-hole 201 and spoke mounting hole 101 intercommunication, and the equal fixedly connected with strengthening rib strip 21 in 2 outer wall both sides of every enhancement post, per two strengthening rib strips 21 all are the symmetric distribution, 1 inboard fixedly connected with protruding round platform 3 of a plurality of rim body, and protruding round platform 3 of a plurality of is corresponding a plurality of spoke mounting hole 101 respectively.

In this embodiment: the rim body 1 is provided with a plurality of spoke mounting holes 101, spokes can be mounted through the spoke mounting holes 101, so that the spokes are stably fixed with the rim body 1, the stable use of the rim body 1 is ensured, the reinforcing columns 2 are additionally arranged on the spoke mounting holes 101, so that the spokes can be mounted through the spoke mounting holes 101 and through holes 201 of the reinforcing columns 2 during mounting, the positions of the spoke mounting holes 101 are increased in thickness by the reinforcing columns 2, the positions of the non-spoke mounting holes 101 are reduced in thickness, the two sides of the outer wall of each reinforcing column 2 are fixedly connected with reinforcing ribs 21, the spokes are required to be mounted in the reinforcing columns 2, the positions of the non-spoke mounting holes 101 are reduced in thickness, the arrangement of the reinforcing ribs 21 can ensure the stable connection of each reinforcing column 2, each reinforcing column 2 is connected through the reinforcing ribs 21, the stability of the connection of the reinforcing columns 2 and the rim body 1 is ensured, and the local reinforcing method is realized, compare in the whole circle reinforcing of traditional rim, can be to the reasonable control that controls of the thickness of rim body 1, the reasonable quantity that has reduced the material, the weight of rim body 1 has been reduced, and the protruding round platform 3 that sets up is located the inboard of rim body 1, mounting groove 302 has been seted up on the protruding round platform 3, be equipped with buffer ring 31 in the mounting groove 302, the spoke is when the installation, can pass through groove 301 and mounting groove 302, make buffer ring 31 surround the outside at the spoke, buffer ring 31 is the rubber material, the proportion of itself is little, the hardness is low, the compliance is good, make the in-process that uses at the rim, can reduce the local stress that the spoke received.

In fig. 1-3: the diameter of enhancement post 2 is the twice of the reinforcing rib 21 width, reinforcing rib 21 is the arc form, every reinforcing post 2 is connected through reinforcing rib 21, guarantee the stability that reinforcing post 2 and rim body 1 are connected, reinforcing rib 21 distributes in the both sides of reinforcing post 2, and be the arc form, can control the holistic volume of reinforcing rib 21, guarantee the stability that reinforcing post 2 and rim body 1 are connected with reasonable size, can not influence the installation of inner tube, reinforcing post 2 sets up on spoke mounting hole 101, make the position that has spoke mounting hole 101 increase thickness, no spoke mounting hole 101 position reduces thickness, control that the thickness of rim body 1 is reasonable, make the reasonable quantity that has reduced the material of rim body 1, the weight of rim body 1 has been reduced.

In fig. 4: the protruding round platform 3 is provided with a through groove 301 in a penetrating way, the through groove 301 is communicated with the spoke mounting hole 101, one side of the protruding round platform 3 close to the spoke mounting hole 101 is provided with a mounting groove 302, the mounting groove 302 is communicated with the through groove 301, when the spoke is mounted, can penetrate through the through slots 301 and the mounting slots 302, so that the cushion collar 31 can be wrapped around the outside of the spoke, the diameter of the installation groove 302 is twice of the diameter of the through groove 301, so that the buffer ring 31 can be conveniently installed in the installation groove 302, the buffer ring 31 is arranged on the inner side of the installation groove 302, and the material of the buffer ring 31 is rubber, so that the rubber material has small specific gravity, low hardness and good flexibility in the using process of the rim, the local stress on the spoke can be reduced, the buffer ring 31 is positioned in the mounting groove 302, the cushion ring 31 can be directly plugged in the mounting groove 302 during mounting through the elasticity of the cushion ring 31, and the mounting of the cushion ring 31 is facilitated.

The utility model discloses a theory of operation and use flow: the rim body 1 is provided with a plurality of spoke mounting holes 101, spokes can be mounted through the spoke mounting holes 101, the spoke mounting holes 101 are additionally provided with the reinforcing columns 2, the spokes can be mounted through the spoke mounting holes 101 and the through holes 201 of the reinforcing columns 2 in the mounting process, the positions of the spoke mounting holes 101 are increased in thickness by the reinforcing columns 2, the positions of the spoke-free mounting holes 101 are reduced in thickness, each reinforcing column 2 is connected through the reinforcing ribs 21, the stability of the connection of the reinforcing columns 2 and the rim body 1 is ensured, the thickness of the rim body 1 can be reasonably controlled by the method of local reinforcement compared with the whole-circle reinforcement of the traditional rim, the material consumption is reasonably reduced, the weight of the rim is reduced, the arranged convex circular platforms 3 are positioned on the inner side of the rim body 1, the convex circular platforms 3 are provided with mounting grooves 302, and the buffer rings 31 are arranged in the mounting grooves 302, when the spoke is installed, the spoke can penetrate through the penetrating groove 301 and the installing groove 302, so that the buffer ring 31 can be surrounded on the outer side of the spoke, the buffer ring 31 is made of rubber, the specific gravity of the buffer ring is small, the hardness is low, the flexibility is good, and the local stress on the spoke can be reduced in the using process of the rim.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Local reinforcing structure in carbon fiber rim spoke hole, including rim body (1), a plurality of spoke mounting hole (101), its characterized in that have been seted up in rim body (1): the rim is characterized in that a reinforcing column (2) corresponding to the spoke mounting holes (101) is fixedly connected to the outer side of the rim body (1), through holes (201) are formed in the reinforcing column (2), the through holes (201) are communicated with the spoke mounting holes (101), reinforcing ribs (21) are fixedly connected to two sides of the outer wall of each reinforcing column (2), every two reinforcing ribs (21) are symmetrically distributed, a plurality of protruding round platforms (3) are fixedly connected to the inner side of the rim body (1), and the plurality of protruding round platforms (3) correspond to the spoke mounting holes (101) respectively.

2. A carbon fibre rim spoke hole local reinforcement structure according to claim 1, characterized in that: the diameter of the reinforcing column (2) is twice the width of the reinforcing rib (21).

3. A carbon fibre rim spoke hole local reinforcement structure according to claim 1, characterized in that: the reinforcing ribs (21) are arc-shaped.

4. A carbon fibre rim spoke hole local reinforcement structure according to claim 1, characterized in that: the protruding round platform (3) is provided with a through groove (301) in a penetrating mode, and the through groove (301) is communicated with the spoke mounting hole (101).

5. A carbon fibre rim spoke hole local reinforcement structure according to claim 4, characterized in that: one side, close to the spoke mounting hole (101), of the protruding circular truncated cone (3) is provided with a mounting groove (302), the mounting groove (302) is communicated with the through groove (301), and the diameter of the mounting groove (302) is twice of one point of the diameter of the through groove (301).

6. A carbon fibre rim spoke hole local reinforcement structure according to claim 5, characterized in that: the inner side of the mounting groove (302) is provided with a buffer ring (31), and the buffer ring (31) is made of rubber.