TWI385081B - A motorcycle wheel and method for manufacturing the same - Google Patents

Description

Wheel circle and manufacturing method thereof

The present invention relates to a rim, and more particularly to a lightweight locomotive rim made of composite fiber.

The rim of the locomotive can provide the tires of the locomotive wheels to smoothly travel. The conventional rims are mostly made of metal alloy. The metal alloy has the characteristics of high hardness and high impact resistance, so that the rim can absorb and withstand. The tire is in contact with the ground and the force of the impact. However, the rim of the conventional locomotive has a high density due to the high density of the metal alloy, so that the rim of the locomotive has a very high quality problem under a certain volume.

At present, manufacturers have used a relatively heavy alloy material frame and a composite fiber frame to form a lightweight rim. However, because the expansion coefficients of the two materials are different and there is a considerable area of joint between the two, it is easy to cause the two frames to be tightly coupled due to external temperature changes, thereby causing the locomotive to ride. There are safety concerns, and such a structure still cannot fully achieve the effect of making the rim weight extremely light.

In view of this, how to solve or at least improve the above problems is the focus of the industry.

The main object of the present invention is to provide a safety and lightweight machine wheel rim.

In order to achieve the above object, the present invention provides a locomotive wheel ring, which is made of a composite material fiber and has a solid annular frame body and a hollow support portion, the annular frame body including an outer frame and An inner frame, the outer frame is concavely provided with a ring groove, the outer frame is provided with a tire, the inner frame encloses an opening, and the support portion is connected to the inner frame and located in the opening, the support portion is For the assembly of a wheel axle joint assembly.

Thereby, the overall structure of the wheel rim of the machine of the present invention is composed of composite material fibers, so that the safety and weight reduction effect can be achieved.

The possible embodiments of the present invention will be described in the following, but are not intended to limit the scope of the present invention.

Referring to FIG. 1 to FIG. 4, the present invention provides a locomotive wheel ring, which is made of a composite material fiber and has a solid annular frame 2 and a hollow support portion. Preferably, The composite material fiber is carbon fiber, and more specifically, the rim 1 is entirely made of a carbon fiber structure, whereby the wheel rim of the present invention can achieve a lightweight effect.

In this embodiment, the annular frame 2 includes an outer frame 21 and an inner frame 22, and the outer frame 21 is provided with a tire (as shown in FIG. 5), and the inner frame 22 defines an opening 23, The support portion is connected to the inner frame 22 and located in the opening 23, and the support portion is configured to assemble an axle joint assembly. Preferably, the outer frame 21 is recessed with a ring groove 211, thereby improving The structural reinforcement of the entire frame. Furthermore, the support portion is hollow, thereby making the wheel circle of the invention more lighter. Its weight, and achieve a better lightweight effect.

In the above, the support portion includes a hub 31 and a plurality of spokes 32. One end of each of the spokes 32 is disposed on the hub 31, and the other end is disposed on the inner frame 22. Each of the spokes 32 is hollow and tubularly respectively The chambers 321 are connected to each other at the hub 31. A first chamber 311 and a second chamber 312 are respectively recessed at two ends of the hub 31 in the axial direction. The first and second chambers are respectively recessed. The hubs 311 and 312 are connected to each other, and the hub 31 includes an abutting portion 313. The abutting portion 313 is located between the first and second chambers 311 and 312. The axle engaging assembly includes a first engaging member 41 and a second engaging member 42 , the first engaging member 41 is located in the first chamber 311 , the second engaging member 42 is located in the second chamber 312 , and the first and second engaging members 41 , 42 are coupled to the first engaging member 41 The abutting portion 313, more specifically, the first and second engaging members 41, 42 are coupled to the abutting portion 313 by a coupling means. Referring to FIG. 1 and FIG. 2, in the embodiment, the The coupling means includes a plurality of screws 5, each of the screws 5 penetrating the first engaging member 41, the abutting portion 313 of the hub and screwed to the second engaging member 42, more specifically The abutting portion 313 is provided with a plurality of through holes 314. The first engaging member 41 is provided with a plurality of through holes 411. The second engaging member 42 is provided with a plurality of screw holes 421, and each of the screws 5 passes through the first joint. The through hole 411 of the member, the through hole 314 of the abutting portion is screwed to the screw hole 421 of the second engaging member. In other possible embodiments, the bonding means is configured to adhesively bond the first and second engaging members 41 and 42 to the abutting portion 313 by using an adhesive.

The method for manufacturing the wheel rim of the present invention comprises the following steps: (1) taking an outer module, an inner mold, an air bag and a composite material fiber, the outer module comprising a first outer mold, a second outer mold corresponding to the shape of the first outer mold, and a third The outer mold, the first outer mold and the second outer mold respectively form an annular cavity and a support cavity, the inner die has an annular portion and a support portion, the annular portion encloses the opening, and the support portion is The annular portion is connected to and located at the opening, and the supporting portion encloses a gas chamber; (2) after the air bag is filled into the air chamber, the composite material fiber is laminated on the outer surface of the inner mold; Then, the annular portion of the inner mold is placed in the annular cavity, and the supporting portion of the inner mold is placed in the support cavity; (4) the third outer mold is first abutted against the annular portion of the inner mold away from the inner portion One side of the supporting portion of the mold, and then the first outer mold and the second outer mold are abutted together; (5) the outer module is heated under pressure, and a gas is filled in the air bag to expand The air bag will elastically expand the supporting portion of the inner mold, so that the composite material fiber laminated on the outer surface of the inner mold is subjected to temperature and Pressing and pressing into a composite material rim having an annular frame body and a support portion; wherein the annular frame body is solid, and the ring frame is formed on the outer frame of the annular frame body, The support portion is hollow, and the support portion includes a hub and a plurality of spokes, one end of each of the spokes is disposed on the hub, and the other end is disposed on the inner frame, and each of the spokes is hollow tubular and respectively encloses a chamber The chambers are connected to each other at the hub; (6) opening the outer module, taking out the rim, and the rim and the outer module Separating; (7) processing at least one opening in the annular frame of the rim, and taking out the air bag from the opening to separate the air bag from the rim, preferably, the opening is located outside the hole The bottom of the ring groove of the frame is connected with the support portion; (8) another piece of the composite material fiber is used to cover the opening to form a complete composite material rim.

The wheel rim of the invention is composed of composite fiber (for example, carbon fiber) as a whole, whereby the wheel rim of the invention can not only achieve the lightweight effect, but also because of the outer frame, the inner frame, the spoke and the hub The composite material fiber is integrally formed, so that the wheel rim of the invention can achieve the safety effect, and there is no problem that the different expansion coefficients of different materials and the problems of the joint surface are derived as described in the prior art. The whole cannot be closely combined and there is a lack of shaking.

It is worth mentioning that the support portion (ie, the spoke and the hub) is hollow, so that the wheel rim of the invention can not only reduce the weight thereof, but also save material and save production cost. Maintain a certain structural strength.

Furthermore, the wheel rim of the present invention can achieve an increase in the overall structural strength of the rim by recessing a ring groove in the outer frame.

Moreover, the rim of the machine of the present invention can replace the screw as a bonding means of the first and second engaging members and the abutting portion of the hub, since the adhesive is lighter than the screw, thereby The wheel rim of the invention can achieve better weight reduction effect.

In summary, the wheel rim of the machine of the invention not only has a structural innovation, but also has a progressive effect, and complies with the relevant provisions of the patent law, and filed a patent application according to law, so that the 钧 早 核 早 早 早 早 早 早 。 。 。 。 。 。 。 。 。 。 。 。 。 。

1‧‧‧ rims

2‧‧‧ ring frame

21‧‧‧Front frame

211‧‧‧ ring groove

22‧‧‧ inside frame

23‧‧‧ openings

31‧‧·wheels

311‧‧‧First room

312‧‧‧Second room

313‧‧‧Affiliation

314‧‧‧Perforation

32‧‧‧ spokes

321‧‧‧ chamber

41‧‧‧First joint piece

411‧‧‧through holes

42‧‧‧Second joint parts

421‧‧‧ screw holes

5‧‧‧Spiral firmware

1 is a perspective view of a preferred embodiment of the present invention.

2 is a cross-sectional view of the rim and axle coupling assembly of the present invention.

Figure 3 is a side elevational view of the rim of the present invention.

Figure 4 is a cross-sectional view of Figure 3.

Figure 5 is a schematic view of a preferred embodiment of the present invention mounted on a locomotive.

1‧‧‧ rims

21‧‧‧Front frame

211‧‧‧ ring groove

22‧‧‧ inside frame

23‧‧‧ openings

31‧‧·wheels

313‧‧‧Affiliation

314‧‧‧Perforation

32‧‧‧ spokes

41‧‧‧First joint piece

411‧‧‧through holes

42‧‧‧Second joint parts

421‧‧‧ screw holes

5‧‧‧Spiral firmware

Claims (8)

A wheel rim of a machine made of a composite material and having a solid annular frame and a hollow support portion, the annular frame comprising an outer frame and an inner frame, the outer frame being concave a ring groove, the outer frame is for providing a tire, the inner frame enclosing an opening, the support portion is connected to the inner frame and located at the opening, the support portion is configured to assemble an axle joint assembly; wherein the support The portion includes a hub and a plurality of spokes, one end of each of the spokes is disposed on the hub, and the other end is disposed on the inner frame, each of the spokes is hollow tubular and respectively encloses a chamber at the hub Connected to each other. The rim of the machine of claim 1, wherein a first chamber and a second chamber are respectively recessed in the axial direction of the hub, the first and second chambers are in communication, and the hub comprises An abutting portion is located between the first and second chambers, the axle engaging assembly includes a first engaging member and a second engaging member, the first engaging member is located in the first chamber The second engaging member is located in the second chamber, and the first and second engaging members are coupled to the abutting portion. The rim of the machine of claim 2, further comprising a plurality of screws, each of the screws passing through the first engaging member, the abutting portion of the hub and being screwed to the second engaging member. The rim of the machine of claim 2, wherein the first and second engaging members are respectively adhered to the abutting portion by an adhesive. The wheel rim of claim 1, wherein the composite material fiber is carbon fiber. A method of manufacturing a wheel rim according to any one of claims 1 to 5, comprising The method comprises the following steps: (1) taking an outer module, an inner mold, an air bag and a composite material fiber, the outer module comprising a first outer mold and a second outer mold corresponding to the shape of the first outer mold The first outer mold and the second outer mold respectively form an annular cavity and a support cavity, the inner die has an annular portion and a support portion, the annular portion encloses the opening, the support portion and the ring a portion connected and located in the opening, the supporting portion enclosing a gas chamber; (2) after the air bag is filled into the air chamber, the composite material fiber is pasted on the outer surface of the inner mold; (3) An annular portion of the inner mold is placed in the annular cavity, and a supporting portion of the inner mold is placed in the support portion; (4) the first outer mold and the second outer mold are abutted; (5) The outer module is heated by pressure, and the gas is filled in the air bag, and the expanded air bag elastically expands the supporting portion of the inner mold, so that the composite material fiber laminated on the outer surface of the inner mold is subjected to temperature and pressure. And pressing and shaping into a composite material rim having an annular frame body and a support portion; wherein The annular frame is solid, and the support portion is hollow. The support portion includes a hub and a plurality of spokes. One end of each of the spokes is disposed on the hub, and the other end is disposed on the inner frame, and each of the spokes is Hollow tubularly respectively enclosing a chamber, the chambers communicating with each other at the hub; (6) opening the outer module, taking out the rim to separate the rim from the outer module; The at least one opening is formed in the annular frame of the rim, and the opening is opened from the opening The air bag is taken out to separate the air bag from the rim; (8) another piece of composite material fiber is taken to cover the opening to form a complete composite material rim. The method of manufacturing a wheel rim according to claim 6, wherein the outer module further comprises a third outer mold, and in the step (4), the third outer mold is firstly abutted against the annular portion of the inner mold. One side of the supporting portion of the inner mold, and the first outer mold and the second outer mold are mutually abutted, so that after the step (5) is pressed and shaped, the outer frame of the annular frame of the rim is formed. There is a groove in the ring. The method of manufacturing a wheel rim according to claim 7, wherein the opening is located at a bottom of the ring groove of the outer frame and connected to the support portion.