TWI468307B - Reinforcing structure and composite wheel rim comprising the same - Google Patents

Description

Reinforced structure of composite rim and composite rim using the same

The invention relates to a reinforcing structure of a composite rim and a composite rim using the reinforcing structure.

According to the current demand for bicycles, the bicycles can be easily carried by bicycles. The bicycle rims on the market have gradually been made of composite materials. However, the composite materials can make the rims lighter. The structural strength of the bicycle rim is weaker than that of the metal structure, especially the connection between the bicycle rim and the spoke, which often causes deformation or even cracks due to collision, so that the user's driving safety is considered.

Then, as for the patent TW M315662, it is embedded in a bottom wall of a bicycle rim body with a metal reinforced ring piece, so that the structure of the bottom wall is relatively strong, but the above bicycle rim is to enhance its structural strength. The metal reinforcing ring piece has a certain thickness, and since the metal reinforcing ring piece has the same radial thickness and the ring is disposed on the bottom wall, the cost is not only costly, and the metal material is also increased. The weight of the bicycle rim, therefore, the structure of the conventional composite rim is still unsatisfactory, and it is still to be discussed by the industry.

The object of the present invention is to provide a reinforcing structure of a composite rim and a composite rim using the reinforcing structure, which can enhance the structural strength of the composite rim and save the cost thereof.

In order to achieve the above object, the present invention provides a reinforcing structure for a composite rim, which is provided on an annular body of a composite rim, wherein the body has an annular bottom closest to the center of curvature thereof for the spokes. The body has two opposite side walls extending from the opposite ends of the bottom portion away from the bottom portion. An accommodating space is formed between the two side walls, and the body further defines an axial direction.

The reinforcing structure ring is disposed at the bottom of the body and located in the accommodating space, the reinforcing structure has a plurality of large diameter segments and a plurality of small diameter segments, and the width of each of the large diameter segments in the axial direction is greater than each a width of the small diameter segment in the axial direction, wherein each of the large diameter segments is formed at a position corresponding to the bottom piercing spoke, and each of the small diameter segments is connected to any two adjacent large diameter segments The large diameter segments and the small diameter segments are arranged at intervals, wherein the large diameter segments are integrally formed with the small diameter segments.

In order to achieve the above object, the present invention provides a reinforcing structure for a composite rim, which is provided on an annular body of a composite rim, wherein the body has an annular bottom closest to the center of curvature thereof for the spokes. The body has two opposite side walls extending from the opposite ends of the bottom portion away from the bottom portion. An accommodating space is formed between the two side walls, and the body further defines a radial direction.

The reinforcing structure ring is disposed at the bottom of the body and located in the accommodating space, the reinforcing structure has a plurality of large diameter segments and a plurality of small diameter segments, and the width of each of the large diameter segments in the radial direction is greater than each a width of the small diameter segment in the radial direction, wherein each of the large diameter segments is formed at a position corresponding to the bottom piercing spoke, and each of the small diameter segments is connected to any two adjacent large diameter segments The large diameter segments and the small diameter segments are arranged at intervals, wherein the large diameter segments are integrally formed with the small diameter segments.

To achieve the above object, the present invention further provides a composite rim comprising an annular body and a reinforcing structure.

The body has an annular bottom closest to the center of curvature of the body for the purpose of wearing a spoke. The body extends from the opposite ends of the bottom portion away from the bottom portion with two opposite side walls, and an accommodation space is formed between the two side walls. Another axial direction is defined.

The reinforcing structure ring is disposed at the bottom of the body and located in the accommodating space, the reinforcing structure has a plurality of large diameter segments and a plurality of small diameter segments, and the width of each of the large diameter segments in the axial direction is greater than each a width of the small diameter segment in the axial direction, wherein each of the large diameter segments is formed at a position corresponding to the bottom through spokes of the reinforcing structure, and each of the small diameter segments is connected to any two adjacent large diameters The large diameter segments and the small diameter segments are arranged at intervals between the segments. Wherein the body and the reinforcing structure are made of carbon fiber material.

To achieve the above object, the present invention provides a composite rim comprising an annular body and a reinforcing structure.

The body has an annular bottom closest to the center of curvature of the body for the purpose of wearing a spoke. The body extends from the opposite ends of the bottom portion away from the bottom portion with two opposite side walls, and an accommodation space is formed between the two side walls. Another definition has a radial direction.

The reinforcing structure ring is disposed at the bottom of the body and located in the accommodating space, the reinforcing structure has a plurality of large diameter segments and a plurality of small diameter segments, and the width of each of the large diameter segments in the radial direction is greater than each a width of the small diameter segment in the radial direction, wherein each of the large diameter segments is formed at a position corresponding to the bottom through spokes of the reinforcing structure, and each of the small diameter segments is connected to any two adjacent large diameters The large diameter segments and the small diameter segments are arranged at intervals between the segments. Wherein the body and the reinforcing structure are made of carbon fiber material.

Thereby, the reinforcing structure of the composite rim provided by the present invention and the composite rim using the reinforcing structure are provided with spokes on the bottom of the main body by the large diameter segments of the reinforcing structure and the small diameter segments The structure of the position is more sturdy, and not only can the weight of the reinforcing structure be reduced, but also the production cost can be reduced, which is a very effective proof.

1, 1’‧‧‧ ontology

11, 11’‧‧‧ bottom

12, 12’‧‧‧ side wall

121, 121’‧‧‧

122, 122’‧‧‧ Tire Support Department

21, 21’‧‧‧ Large diameter section

22, 22’ ‧ ‧ small diameter section

3‧‧‧ spokes

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

Figure 2 is a cross-sectional view showing a first embodiment of the present invention.

Figure 3 is a perspective view of a second embodiment of the present invention.

Figure 4 is a cross-sectional view showing a second embodiment of the present invention.

The following is a description of the possible embodiments of the present invention, and is not intended to limit the scope of the invention as claimed.

Referring to FIG. 1 and FIG. 2, the present invention provides a reinforcing structure for a composite rim, which is provided on an annular body 1 of a composite rim having a ring bottom closest to the center of curvature thereof. 11 is provided with a spoke 3, the body 1 extends from the opposite ends of the bottom portion 11 away from the bottom portion and has two opposite side walls 12, and an accommodating space is formed between the two side walls 12, preferably in the embodiment. A frame lip 121 is formed at one end of each of the side walls 12 farthest from the bottom portion 11. A tire receiving portion 122 is formed between the two frame lips 121 for a tire. The body 1 can be made of carbon fiber material, but in other possible embodiments, the body can be made of other composite materials. Furthermore, the body 1 is further defined with an axial direction.

The reinforcing structure ring is disposed at the bottom 11 of the body 1 and located in the accommodating space More specifically, the reinforcing structure has a plurality of large diameter segments 21 and a plurality of small diameter segments 22, and the width of each of the large diameter segments 21 in the axial direction is greater than the diameter of each of the small diameter segments 22 on the axis. In the direction of the width, each of the large diameter segments 21 is formed at a position corresponding to the bottom portion 11 through which the spokes 3 are disposed. More specifically, each of the spokes 3 passes through the bottom portion 11 and is screwed to Preferably, each of the large diameter segments 21 is adjacent to the opposite side of the small diameter segment 22 and extends to the two sidewalls 12 and is connected to the two sidewalls 12, and each of the large diameter segments 21 faces One surface of the bottom portion 11 is curved in correspondence with the bottom portion 11, so that the structure of the bottom portion 11 and the side wall 12 of the body 1 is relatively strong. Each of the small diameter segments 22 is connected to any two adjacent large diameter segments 21 such that the large diameter segments 21 are spaced apart from the small diameter segments 22, wherein the large diameter segments 21 and the small diameter segments 22 are For one-piece molding. This further increases the structural strength. The reinforcing structure may also be made of carbon fiber material, but in other possible embodiments, the reinforcing structure may be made of other composite materials.

Referring to FIG. 3 and FIG. 4, the present invention also provides a reinforcing structure for a composite rim, which is provided on an annular body 1' of a composite rim, and the body 1' has a ring closest to the center of curvature thereof. a bottom portion 11' of the shape, the bottom portion 11' is curved and provided with a plurality of perforations for penetrating the spokes 3. The body 1' extends from the opposite ends of the bottom portion 11' away from the bottom portion with two opposite side walls 12 More specifically, the two side walls 12' extend radially outward from opposite ends of the bottom portion 11', and an accommodation space is formed between the two side walls 12'. Preferably, in this embodiment, one end of each of the side walls 12' farthest from the bottom portion 11' is formed with a frame lip 121', and a tire receiving portion 122' is formed between the two frame lips 121' for a tire. Settings. The body 1' may be made of carbon fiber material, but in other possible embodiments, the body may be made of other composite materials. Further, the body 1' is further defined with a radial direction.

The reinforcing structure ring is disposed at the bottom portion 11' of the body 1' and located in the accommodating space. More specifically, the reinforcing structure has a plurality of large diameter segments 21' and a plurality of small diameter segments 22', each of which is large The width of the diameter segment 21' in the radial direction of the body 1' is greater than the width of each of the small diameter segments 22' in the radial direction, wherein each of the large diameter segments 21' is formed in the reinforcing structure corresponding to the reinforcing structure. The bottom portion 11' penetrates the position of the spokes 3, and more specifically, each of the spokes 3 passes through the bottom portion 11' and is screwed to the large diameter portion 21', whereby the bottom portion 11' of the body 1' The structure in which the spokes 3 are placed can be relatively strong. Each of the small diameter segments 22' is connected between any two adjacent large diameter segments 21' such that the large diameter segments 21' and the small diameter segments 22' are spaced apart. Preferably, the large diameter segments 21 are spaced apart. The structure with the small diameter section 22 is stepped and integrally formed, so that the structural strength is better. The reinforcing structure may also be made of carbon fiber material, but in other possible embodiments, the reinforcing structure may be made of other composite materials.

Referring to FIG. 1 and FIG. 2, the present invention provides a composite rim comprising an annular body 1 and a reinforcing structure.

The body 1 has an annular bottom portion 11 closest to the center of its curvature. The bottom portion 11 is curved and is provided with a plurality of perforations. Each of the perforations is provided with a spoke 3, and the body 1 is opposite to the bottom portion 11. The end portion extends away from the bottom portion 11 with two opposite side walls 12. More specifically, the two side walls 12 extend radially outward from opposite ends of the bottom portion 11, and a space is formed between the two side walls 12. Preferably, in the present embodiment, a frame lip 121 is formed at one end of each of the side walls 12 farthest from the bottom portion 11. A tire receiving portion 122 is formed between the two frame lips 121 for a tire. The body 1 can be made of carbon fiber material, but in other possible embodiments, the body can be made of other composite materials. Furthermore, the body 1 is further defined with an axial direction.

The reinforcing structure is disposed at the bottom 11 of the body 1 and located in the accommodating space. More specifically, the reinforcing structure has a plurality of large diameter segments 21 and a plurality of small diameter segments 22, and each of the large diameter segments 21 The width in the axial direction of the body 1 is greater than the width of each of the small diameter segments 22 in the axial direction, wherein each of the large diameter segments 21 is formed in the reinforcing structure corresponding to the bottom portion 11 through the spokes. 3, more particularly, each of the spokes 3 passes through the bottom 11 and is screwed to the large diameter section 21. Preferably, each of the large diameter sections 21 is adjacent to the opposite side of the small diameter section 22. The side faces of the two side walls 12 and are connected to the two side walls 12, and each of the large diameter segments 21 facing the bottom portion 11 has an arc shape corresponding to the bottom portion 11, so that the bottom portion 11 of the body 1 and The structure of the side wall 12 is relatively strong. The small diameter segments 22 are connected between any two adjacent large diameter segments 21 such that the large diameter segments 21 are spaced apart from the small diameter segments 22, wherein the large diameter segments 21 and the small diameter segments 22 It is integrally formed, which further enhances the structural strength. The reinforcing structure may also be made of carbon fiber material, but in other possible embodiments, the reinforcing structure may be made of other composite materials.

Referring to Figures 3 and 4, the present invention further provides a composite rim comprising an annular body 1' and a reinforcing structure.

The annular body 1' has an annular bottom portion 11' closest to its center of curvature, and the bottom portion 11' is curved and provided with a plurality of perforations for penetrating the spokes 3 from the bottom portion 11' The opposite ends extend away from the bottom portion 11 ′ with two opposite side walls 12 ′. More specifically, the two side walls 12 ′ extend radially outward from opposite ends of the bottom portion 11 ′, and the two An accommodating space is formed between the side walls 12'. Preferably, in this embodiment, one end of each of the side walls 12' farthest from the bottom portion 11' is formed with a frame lip 121', and a tire receiving portion 122' is formed between the two frame lips 121' for a tire. Settings. Where the body 1' can but not It is made of carbon fiber material. In other possible embodiments, the body is made of other composite materials. Further, the body 1' is further defined with a radial direction.

The reinforcing structure ring is disposed at the bottom portion 11' of the body 1' and located in the accommodating space. More specifically, the reinforcing structure has a plurality of large diameter segments 21' and a plurality of small diameter segments 22', each of which is large The width of the diameter segment 21' in the radial direction of the body 1' is greater than the width of each of the small diameter segments 22' in the radial direction, wherein each of the large diameter segments 21' is formed in the reinforcing structure corresponding to the reinforcing structure. The bottom portion 11' penetrates the position of the spokes 3, and more specifically, each of the spokes 3 passes through the bottom portion 11' and is screwed to the large diameter portion 21', whereby the bottom portion 11' of the body 1' The structure in which the spokes 3 are placed can be relatively strong. Each of the small diameter segments 22' is connected between any two adjacent large diameter segments 21' such that the large diameter segments 21' and the small diameter segments 22' are spaced apart. Preferably, the large diameter segments 21 are spaced apart. The structure with the small diameter section 22 is stepped and integrally formed, so that the structural strength is better. The reinforcing structure may also be made of carbon fiber material, but in other possible embodiments, the reinforcing structure may be made of other composite materials.

Generally speaking, the structure of the carbon fiber material is relatively light and thin, and the bottom of the body is intended to be placed at the position of the spokes. Since the perforation is provided, the structural strength is weak, so when the user encounters a bumpy road section when riding, The collision between the bottom surface of the body and the spokes causes vibration and vibration, which may cause cracks or even breaks at the bottom of the body where the spokes are worn. In view of this, the reinforcing structure provided by the present invention enables the bottom of the body to be worn. The structure with the spokes is more robust and further enhances the service life of the composite rim provided by the present invention.

In addition, the reinforcing structure provided by the present invention includes the large diameter segments and the small diameter segments, and each of the large diameter segments is formed at a position at the bottom of the body through which the spokes are disposed, and the present invention provides the The large diameter section may extend along the axial direction of the body or the radial direction of the body The purpose of the structure is that the structural strength of the bottom portion of the body is provided with the spokes, and the width of the small diameter segments in the axial direction or the radial direction is smaller than the axial diameter of the large diameter segments. The width in the direction or in the radial direction can reduce the amount of material used in the reinforcing structure and make the reinforcing structure lighter, so that the user does not have a weight burden when riding, and the production cost can be reduced. .

In summary, the present invention provides a composite rim which is compact and practical in structure, and can not only make the composite rim structure of the present invention more robust but also saves cost, which is highly advanced and conforms to the patent law. Relevant regulations, 提起 file a patent application in accordance with the law, and ask the 钧 早 to approve the patent as soon as possible.

1‧‧‧ Ontology

11‧‧‧ bottom

12‧‧‧ side wall

121‧‧‧Box lip

122‧‧‧ Tire Support Department

21‧‧‧ Large diameter section

22‧‧‧Small path

3‧‧‧ spokes

Claims (10)

A reinforcing structure of a composite rim is provided in an annular body of a composite rim, wherein the body has an annular bottom closest to the center of curvature thereof for piercing the spokes, and the body is opposite to the bottom The two ends are opposite to the bottom portion and have two opposite side walls. An accommodating space is defined between the two side walls. The body further defines an axial direction. The reinforcing structure is disposed at the bottom of the body and is located in the accommodating space. The reinforcing structure has a plurality of large diameter segments and a plurality of small diameter segments, and the width of each of the large diameter segments in the axial direction is greater than the width of each of the small diameter segments in the axial direction, and each of the large diameters The segment is arranged to correspond to the position of the bottom piercing spoke for the spoke to pass through, and each of the small diameter segments is connected between any two adjacent large diameter segments to arrange the large diameter segments and the small diameter segments at intervals The large diameter segments and the small diameter segments are integrally formed. The reinforcing structure of the composite rim according to claim 1, wherein the reinforcing structure is made of a carbon fiber material. A reinforcing structure of a composite rim is provided in an annular body of a composite rim, wherein the body has an annular bottom closest to the center of curvature thereof for piercing the spokes, and the body is opposite to the bottom The two ends are opposite to the bottom portion and have two opposite side walls. An accommodating space is defined between the two side walls. The body further defines a radial direction. The reinforcing structure is disposed at the bottom of the body and is located in the accommodating space. The reinforcing structure has a plurality of large diameter segments and a plurality of small diameter segments, and the width of each of the large diameter segments in the radial direction is greater than the width of each of the small diameter segments in the radial direction, each of the large diameters The segment is arranged to correspond to the position of the bottom piercing spoke for the spoke to pass through, and each of the small diameter segments is connected between any two adjacent large diameter segments to arrange the large diameter segments and the small diameter segments at intervals , the large diameter segments and the small The diameter section is integrally formed. The reinforcing structure of the composite rim according to claim 3, wherein the reinforcing structure is made of a carbon fiber material. A composite rim comprising: an annular body having an annular bottom closest to a center of curvature thereof for passing a spoke, the body extending from the opposite ends of the bottom away from the bottom with two opposite side walls, the two An accommodating space is formed between the side walls, and the body further defines an axial direction; a reinforcing structure is disposed at the bottom of the body and located in the accommodating space, the reinforcing structure has a plurality of large diameter segments and a plurality of small The diameter of each of the large diameter segments in the axial direction is greater than the width of each of the small diameter segments in the axial direction, wherein each of the large diameter segments is formed in the reinforcing structure corresponding to the bottom through The spokes are positioned for the spokes to pass through, and each of the small diameter segments is connected between any two adjacent large diameter segments to arrange the large diameter segments and the small diameter segments at intervals. The composite rim of claim 5, wherein the large diameter segments and the small diameter segments are integrally formed. The composite rim of claim 5 or 6, wherein the body and the reinforcing structure are both made of carbon fiber material. A composite rim comprising: an annular body having an annular bottom closest to a center of curvature thereof for passing a spoke, the body extending from the opposite ends of the bottom away from the bottom with two opposite side walls, the two An accommodating space is formed between the side walls, and the body further defines a radial direction; a reinforcing structure is disposed at the bottom of the body and located in the accommodating space, the reinforcing structure has a plurality of large diameter segments and a plurality of small a diameter segment, the width of each of the large diameter segments in the radial direction a width greater than a width of each of the small diameter segments in the radial direction, wherein each of the large diameter segments is formed at a position corresponding to the bottom piercing spokes for the spokes to pass through, and each of the small diameter segments is connected to The large diameter segments and the small diameter segments are arranged at intervals between any two adjacent large diameter segments. The composite rim according to claim 8, wherein the large diameter segments and the small diameter segments are stepped and integrally formed. The composite rim of claim 8 or 9, wherein the body and the reinforcing structure are made of a carbon fiber material.