CN216666153U

CN216666153U - Connecting structure of carbon fiber product and metal piece

Info

Publication number: CN216666153U
Application number: CN202122836036.1U
Authority: CN
Inventors: 刘五瑞; 叶庆祥; 叶惠坤
Original assignee: Xiamen Carbon Ying Composite Material Technology Co ltd
Current assignee: Xiamen Carbon Ying Composite Material Technology Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-06-03
Anticipated expiration: 2031-11-18

Abstract

The utility model discloses a connecting structure of a carbon fiber product and a metal piece, which comprises the carbon fiber product, the metal piece and a carbon rod, wherein the carbon fiber product is provided with a mounting hole, the metal piece is divided into a matching part and a column body which are internally connected with the mounting hole, the outer side wall of the carbon fiber product is provided with a first connecting hole which transversely penetrates through the mounting hole, the metal piece is provided with a second connecting hole which transversely penetrates through the matching part, the carbon rod penetrates through the first connecting hole and the second connecting hole to fix the matching part of the metal piece in the mounting hole of the carbon fiber product in a gluing mode, and two ends of the solidified carbon rod are consistent with the surface of the carbon fiber product; according to the utility model, the carbon rod is used for stabilizing the metal piece in the carbon fiber product, so that the metal piece and the carbon fiber product are firmly combined and cannot be twisted, and the weight of the product is reduced; meanwhile, the strength performance of the metal part and the carbon fiber composite material is greatly improved, and the market competitiveness of the product is improved.

Description

Connecting structure of carbon fiber product and metal piece

Technical Field

The utility model relates to the field of composite materials, in particular to a connecting structure of a carbon fiber product and a metal piece.

Background

The carbon fiber is a high-strength high-modulus fiber with the carbon content of more than 90 percent, and has the characteristics of high temperature resistance, friction resistance, electric conduction, heat conduction, corrosion resistance and the like. With the wide application of carbon fiber materials, people combine carbon fibers with other materials to meet various requirements. The combination of the carbon fiber product and the metal piece is a common combination mode, and the combination of the carbon fiber product and the metal piece can not only meet the requirement of strength performance, but also can not cause the carbon fiber product and the metal piece to be separated or twisted. Therefore, a gluing area is often arranged at the joint of the metal part and the carbon fiber and fixed in a gluing mode, and the gluing area with a large area needs to be designed to ensure stable connection, so that the problems of complex processing, high cost and the like of the metal part are caused.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a connecting structure of a carbon fiber product and a metal piece to solve the problems.

In order to achieve the purpose, the technical scheme of the utility model is as follows: the utility model provides a connection structure of carbon fiber product and metalwork, includes carbon fiber product, metalwork and carbon-point, be equipped with a mounting hole on the carbon fiber product, the metalwork divide into the interpolation in cooperation portion and the shaft of mounting hole, is equipped with the first connecting hole that transversely runs through the mounting hole on the carbon fiber product lateral wall, is equipped with the second connecting hole that transversely runs through cooperation portion on the metalwork, and the carbon-point runs through first connecting hole and second connecting hole and fixes metalwork cooperation portion in the mounting hole of carbon fiber product through the veneer mode, and the carbon-point both ends after the solidification are unanimous with carbon fiber product surface.

The carbon rod is further improved, the carbon rod is made of carbon fibers, and is formed through hot-pressing of a die.

In a further improvement, the first connecting hole is machined.

In a further improvement, the first connecting hole and the second connecting hole are equal in diameter.

Further improved, the diameter of the metal fitting part is larger than that of the column body.

Still further, an adhesive is coated between the mounting hole and the matching part.

In a further improvement, the carbon rod is coated with a binder.

Further improve, the metal part shaft part is equipped with the screw thread, is convenient for the metal part and other spare parts cooperations.

Through the technical scheme provided by the utility model, the method has the following beneficial effects:

the carbon rod is adopted to connect the carbon fiber product with the metal part, so that on one hand, the design process of the metal part is simplified, the processing cost is reduced, on the other hand, only the space for penetrating the carbon rod hole is reserved in the gluing area, the use of metal part materials is reduced, meanwhile, the tensile strength after combination is enhanced, and the product weight is reduced.

Drawings

FIG. 1 is a schematic view of an embodiment of the present invention;

FIG. 2 is an exploded view of one embodiment of the present invention;

fig. 3 is a cross-sectional view of one embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 to 3 show a connection structure of a carbon fiber product and a metal member, which includes a carbon fiber product 1, a metal member 2 and a carbon rod 3. The bottom surface of the carbon fiber product 1 is provided with a mounting hole 11, and the metal piece 2 is divided into a matching part 21 and a column body 22 which are internally connected with the mounting hole 11. Be equipped with the first connecting hole 12 that transversely runs through mounting hole 11 on the 1 lateral wall of carbon fiber product, be equipped with the second connecting hole 23 that transversely runs through cooperation portion 21 on the metalwork 2, carbon-point 3 runs through first connecting hole 12 and second connecting hole 23 and fixes metalwork cooperation portion 21 in carbon fiber product 1's mounting hole 11 through the veneer mode, and carbon-point 3 both ends after the solidification are unanimous with carbon fiber product 1 surface.

The carbon rod 3 is made of carbon fiber and is molded by a mold, and alternatively, the carbon rod can be molded by equipment pultrusion or other methods. Since the carbon rod 3 is also made of carbon fiber, the carbon rod 3 is integrated with the carbon fiber product 1 at the portion that contacts the carbon fiber product 1 after the carbon fiber product 1 is cured.

Further, the first connection hole 12 is machined, and the first connection hole 12 and the second connection hole 23 are equal in diameter.

Further, as shown in fig. 1, the diameter of the metal fitting part 21 is larger than that of the shaft 22. In other embodiments, the engagement between the carbon fiber product 1 and the metal member 2 is not limited to the mounting hole 11 and the engagement portion 21, and other engagement methods may be used.

In this embodiment, an adhesive is coated between the mounting hole 11 and the matching portion 21, and an adhesive is also coated on the carbon rod 3, so that the carbon fiber product 1 and the metal member 2 are further stably connected by using an adhesive method.

Further, with continued reference to FIG. 1, the metal piece shaft 22 is partially provided with threads 24 to facilitate mating of the metal piece 2 with other components.

According to the utility model, the carbon rod 3 is used for stabilizing the metal piece 2 in the carbon fiber product 1, so that the metal piece 2 and the carbon fiber product are firmly combined and cannot be twisted, and the weight of the product is reduced. Meanwhile, the metal piece 2 and the composite material of the carbon fiber are greatly improved in the bonding strength performance, the production process is simplified, the weight and the material cost are also reduced, and the product has higher competitiveness in the market.

While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A connection structure of carbon fiber product and metalwork which characterized in that: including carbon fiber product, metalwork and carbon-point, be equipped with a mounting hole on the carbon fiber product, the metalwork divide into the interpolation and connects in the cooperation portion and the shaft of mounting hole, is equipped with the first connecting hole that transversely runs through the mounting hole on the carbon fiber product lateral wall, is equipped with the second connecting hole that transversely runs through cooperation portion on the metalwork, and the carbon-point runs through first connecting hole and second connecting hole and fixes metalwork cooperation portion in the mounting hole of carbon fiber product through the veneer mode, and the carbon-point both ends after the solidification are unanimous with carbon fiber product surface.

2. A carbon fiber product-metal member connection structure as defined in claim 1, wherein: the carbon rod is made of carbon fibers and is formed by hot pressing through a die.

3. A carbon fiber product-metal member connection structure as defined in claim 1, wherein: the first connecting hole is machined.

4. A connecting structure of a carbon fiber product and a metal member as recited in claim 1 or 3, wherein: the first connecting hole and the second connecting hole are equal in diameter.

5. A carbon fiber product-metal member connection structure as defined in claim 1, wherein: the diameter of the metal piece matching part is larger than that of the column body.

6. A carbon fiber product-metal member connecting structure according to claim 1 or 5, wherein: and glue is coated between the mounting hole and the matching part.

7. A connecting structure of a carbon fiber product and a metal member as recited in claim 1 or 2, wherein: the carbon rod is coated with a glue.

8. A carbon fiber product-metal member connection structure as defined in claim 1, wherein: the metal piece column body part is provided with threads.