CN217539223U

CN217539223U - Connecting member and carbon fiber module

Info

Publication number: CN217539223U
Application number: CN202221331559.9U
Authority: CN
Inventors: 董凯
Original assignee: Evergrande Hengchi New Energy Automobile Research Institute Shanghai Co Ltd
Current assignee: Evergrande Hengchi New Energy Automobile Research Institute Shanghai Co Ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-10-04
Anticipated expiration: 2032-05-18

Abstract

The utility model discloses a connecting elements and carbon fiber assembly, non-metallic member is located to connecting elements, connecting elements is used for being connected to non-metallic member to metallic member, non-metallic member is equipped with the connecting hole, connecting elements includes connecting main part and linking stop, connecting main part links to each other with linking stop, connecting main part is used for cooperateing with the connecting hole, linking stop locates connecting main part's first end, and linking stop is used for cooperateing with non-metallic member's first side, connecting main part's second end is used for linking to each other with metallic member, first end and second end set up mutually the back mutually. The utility model discloses can solve the difficult problem of connecting between non-metallic member and the metal component.

Description

Connecting member and carbon fiber module

Technical Field

The utility model relates to a mixed material connects the field, especially relates to a connecting elements and carbon fiber assembly.

Background

The nonmetal component and the metal component can not be directly welded, a fastener can be pre-embedded in the nonmetal component and is fixedly connected with the metal component through the fastener, or the nonmetal component and the metal component are lapped and then perforated and are connected through the blind rivet; and through self-plugging rivet connection, special riveting equipment is needed, and meanwhile, the holes in the non-metal component and the holes in the metal component need high hole forming precision, so that the non-metal component and the metal component are difficult to connect.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a connecting elements and carbon fiber assembly to solve the difficult problem of connecting between non-metallic member and the metal component.

In order to solve the above problem, the utility model adopts the following technical scheme:

the connecting member is arranged on the non-metal member and used for connecting the non-metal member to a metal member, the non-metal member is provided with a connecting hole, the connecting member comprises a connecting body and a connecting baffle, the connecting body is connected with the connecting baffle, the connecting body is used for being matched with the connecting hole, the connecting baffle is arranged at the first end of the connecting body, the connecting baffle is used for being matched with the first side face of the non-metal member, the second end of the connecting body is used for being connected with the metal member, and the first end and the second end are arranged in a back-to-back mode.

Optionally, the connecting member is a metal connecting member, and the second end is used for being connected with the metal member in a welding mode.

Optionally, the connecting member further includes an isolation gasket, the isolation gasket is disposed on the connecting baffle, and the isolation gasket is used for isolating the connecting baffle from the first side surface.

Optionally, the isolation gasket is provided with a mounting hole, the mounting hole is in interference fit with the connecting body, and the isolation gasket is in contact fit with the connecting baffle.

Optionally, the spacer is a fiberglass spacer.

Optionally, the length of the connecting body from the first end to the second end is greater than the length of the connecting hole from the first side surface to the second side surface, and the first side surface and the second side surface are arranged opposite to each other.

Alternatively, the metal member is a metal member made of a first metal, and the connection member is a metal connection member made of the first metal.

The utility model provides a carbon fiber assembly, includes carbon fiber plate and above-mentioned connecting elements, the carbon fiber plate does the nonmetal component, the carbon fiber plate is equipped with the connecting hole, connecting body with the connecting hole cooperatees, connecting baffle with the first side of carbon fiber plate cooperatees, the second side of carbon fiber plate be used for with the metal component cooperatees, just connecting body's second end be used for with the metal component links to each other, first side with the second side sets up back to the back mutually.

Optionally, an end surface of the second end is coplanar with the second side surface, or the end surface of the second end protrudes from the second side surface towards a direction away from the first end.

Optionally, the connecting member further comprises a spacer, the spacer being disposed between the connecting baffle and the first side surface.

The utility model discloses a technical scheme can reach following beneficial effect:

adopt the utility model discloses a connecting elements and carbon fiber assembly, connecting elements includes attach main part and connection baffle, attach main part links to each other with connection baffle, attach main part can cooperate with non-metallic member's connecting hole, connection baffle locates attach main part's first end, and connection baffle can cooperate with non-metallic member's first side, non-metallic member's second side can cooperate with metallic member, attach main part's second end can link to each other with metallic member, thereby firmly be connected non-metallic member and metallic member through this connecting elements, and the connecting elements protrusion only has connection baffle in non-metallic member's part, consequently, the bellied thickness that forms is less, and do not need dedicated riveting equipment in the connection, and metallic member and non-metallic member do not need the alignment precision of higher requirement.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

FIG. 1 is a schematic view of a connecting member according to an embodiment of the present invention;

FIG. 2 is a schematic view of a carbon fiber assembly according to an embodiment of the present invention;

fig. 3 is a schematic view illustrating a connection between a carbon fiber assembly and a metal member according to an embodiment of the present invention.

Description of reference numerals:

100-connecting member, 110-connecting body, 120-connecting baffle, 130-isolating gasket,

200-nonmetal component, 210-connecting hole,

300-metal member,

410-a first electrode, 420-a second electrode,

500-nugget.

Detailed Description

To make the purpose, technical solution and advantages of the present invention clearer, the following description will be given with reference to the embodiments of the present invention and the accompanying drawings, in which the technical solution of the present invention is clearly and completely described. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. 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.

The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 3, an embodiment of the present invention provides a connection member 100, and the connection member 100 is used for connecting a non-metal member 200 and a metal member 300.

The connection member 100 is provided on the non-metal member 200, and the connection member 100 is used to connect the non-metal member 200 to the metal member 300.

In the embodiment of the present invention, the connecting member 100 includes the connecting body 110 and the connecting baffle 120, the connecting body 110 is connected to the connecting baffle 120, the connecting body 110 is a main structure of the connecting member 100, and the connecting body 110 can be a columnar structure, for example, the connecting body 110 can be a cylindrical structure or a prismatic structure with other shapes. The connection baffle 120 may have a plate-shaped structure, the connection baffle 120 is disposed at the first end of the connection body 110, the connection body 110 and the connection baffle 120 are arranged in a "T" shape, the connection body 110 and the connection baffle 120 may have an integrally formed structure, or the connection body 110 and the connection baffle 120 may be connected by other connection methods.

The connecting body 110 is used for penetrating through the non-metal member 200, the connecting baffle 120 is arranged at a first end of the connecting body 110 and is used for connecting with the non-metal member 200, a second end of the connecting body 110 is used for connecting with the metal member 300, and the first end and the second end are opposite ends of the connecting body 110. The non-metal member 200 can be coupled to the metal member 300 by the coupling member 100.

The non-metal member 200 is provided with a connecting hole 210, the connecting body 110 is configured to be matched with the connecting hole 210, the connecting baffle 120 is disposed at a first end of the connecting body 110 and configured to be matched with a first side surface of the non-metal member 200, a second end of the connecting body 110 extends to a second side surface of the non-metal member 200 and can be connected with the metal member 300 at the second side surface, and the first side surface and the second side surface are two side surfaces of the non-metal member 200, which are opposite to each other.

In an embodiment of the present invention, the second side of the non-metal member 200 is matched with the metal member 300, and the second end of the connecting body 110 can be connected to the metal member 300 at the second side, specifically, the second end of the connecting body 110 is connected to the metal member 300 through any one or more of bonding, clamping, and screwing, and the present invention does not limit the connection between the second end of the connecting body 110 and the metal member 300.

Adopt the utility model discloses connecting element 100, connecting element 100 includes connecting body 110 and connection baffle 120, connecting body 110 links to each other with connection baffle 120, connecting body 110 cooperatees with non-metallic member 200's connecting hole 210, connection baffle 120 locates the first end of connecting body 110, and connection baffle 120 can cooperate with non-metallic member 200's first side, non-metallic member 200's second side can cooperate with metallic member 300, connecting body 110's second end can link to each other with metallic member 300, thereby can firmly be connected non-metallic member 200 and metallic member 300 through this connecting element 100, and the part that connecting element 100 projects in non-metallic member 200 only has connection baffle 120, that is to say that the height that connecting element 100 projects non-metallic member 200 is only the thickness of connection baffle 120, consequently, the bellied thickness that forms is less, and metallic member 300 and non-metallic member 200 need not have higher required alignment precision in the connection process, need not use dedicated riveting equipment in the connection process, production efficiency is greatly improved

Optionally, the second end is for welded connection with the metal member 300. In the case where the second end is used for welding connection with the metal member 300, the connection member 100 is a metal connection member that facilitates welding connection with the metal member 300.

Specifically, the connection member 100 and the metal member 300 are welded by resistance welding, and the welding is performed by a resistance welding torch having a first electrode 410 and a second electrode 420, one of the first electrode 410 and the second electrode 420 is a positive electrode, and the other is a negative electrode, wherein the first electrode 410 is in contact with the connection baffle 120 of the connection member 100, the second electrode 420 is in contact with the metal member 300 at a position opposite to the connection body 110, and when a current is passed through the first electrode 410 and the second electrode 420, a large resistance is formed between the connection body 110 and the metal member 300, and a nugget 500 is formed between the connection body 110 and the metal member 300, thereby achieving the welding connection. The connection strength of the welded connection is high.

Therefore, in the embodiment of the present invention, the connecting member 100 is a metal connecting member, the connecting body 110 passes through the non-metal member 200 and is welded to the metal member 300, and the connecting baffle 120 of the connecting member 100 clamps the non-metal member 200 between the connecting baffle 120 and the metal member 300, so as to connect the non-metal member 200 and the metal member 300, and the connecting method is convenient to operate, the connecting strength is high, and a protrusion with a larger thickness is not formed after the connection.

In the embodiment of the present invention, the connection member 100 further includes an isolation gasket 130, the isolation gasket 130 is disposed on the connection baffle 120, and the isolation gasket 130 is used for isolating the first side of the connection baffle 120 and the non-metal member 200. When attached, the spacer 130 is disposed between the attachment baffle 120 and the first side of the non-metallic member 200.

During the welding process, the first electrode 410 and the second electrode 420 are supplied with current, if the connection barrier 120 and the non-metal member 200 are directly connected, if electron migration occurs, electrochemical corrosion may occur between the connection barrier 120 and the non-metal member 200, and after the spacer 130 is provided, the spacer 130 may block the migration of electrons between the connection barrier 120 and the first side of the non-metal member 200, so that the electrochemical corrosion may be prevented from occurring.

The spacer 130 is provided with a mounting hole, the mounting hole is in interference fit with the connecting body 110, and the spacer 130 is in contact fit with the connecting baffle 120. This kind of connected mode simple to operate, the mounting hole guarantees with connecting body 110 interference fit that isolation gasket 130 can not drop easily from connecting body 110 after installing connecting body 110, and first electrode 410 and second electrode 420 extrude each other in the welding process, and isolation gasket 130 is extruded between connection baffle 120 and the first side of nonmetal component 200, and with connection baffle 120 and nonmetal component 200 contact each other.

The spacer 130 is made of an insulating material, optionally the spacer 130 is a fiberglass spacer. The glass fiber gasket has good insulation property, so that the first side surfaces of the connecting baffle 120 and the nonmetal member 200 can be well isolated by the isolating gasket 130 through the glass fiber gasket, electrochemical corrosion is avoided, and the glass fiber gasket has strong heat resistance and good corrosion resistance, so that the glass fiber gasket has long service life.

In the embodiment of the present invention, the length from the first end to the second end of the connecting body 110 is greater than the length from the first side to the second side of the connecting hole 210, and the first side and the second side are opposite to each other. Alternatively, the length of the connecting body 110 from the first end to the second end is greater than the thickness of the non-metal member 200 from the first side to the second side. This ensures that the second end of the connecting body 110 can also extend to the second side of the non-metal member 200 with the spacer 130 disposed between the connecting baffle 120 and the first side of the non-metal member 200, and the end surface of the second end of the connecting body 110 is at least coplanar with the second side of the non-metal member 200, and optionally, the end surface of the second end of the connecting body 110 slightly protrudes from the second side of the non-metal member 200 in a direction away from the first end, thereby ensuring that the metal member 300 can contact the second end of the connecting body 110 even if it is not particularly flat and slightly bent.

In the embodiment of the present invention, the metal member 300 is a metal member 300 made of a first metal, and the connection member 100 is a metal connection member made of a first metal. That is, the connection member 100 and the metal member 300 are made of the same metal, facilitating the welding connection between the connection member 100 and the metal member 300.

The embodiment of the utility model provides a still provide a carbon fiber assembly, this carbon fiber assembly includes carbon fiber plate and above-mentioned connecting elements 100, and this carbon fiber plate is above-mentioned nonmetal component 200, and above-mentioned metal component 300 is the metal sheet, and the metal sheet can be aluminum plate, aluminum alloy plate or steel sheet.

The carbon fiber plate is provided with the connecting hole 210, as described above, the connecting member 100 includes the connecting body 110 and the connecting baffle 120, the connecting body 110 is connected to the connecting baffle 120, the connecting baffle 120 is disposed at the first end of the connecting body 110, the connecting body 110 penetrates through the carbon fiber plate through the connecting hole 210, the connecting baffle 120 is connected to the first side surface of the carbon fiber plate, the second end of the connecting body 110 is used for being connected to the metal plate at the second side surface of the carbon fiber plate, the first end and the second end are opposite ends of the connecting body 110, the first side surface and the second side surface are opposite sides of the carbon fiber plate, and the carbon fiber assembly can be conveniently connected to the metal plate through the connecting member 100.

Optionally, the second end of the connecting body 110 is for a welded connection with a metal plate. The connection member 100 is a metal connection member, and the connection member 100 and the metal plate are made of the same metal, facilitating the welding connection between the connection member 100 and the metal plate.

The connecting member 100 is resistance welded to the metal plate, the connecting member 100 may be connected to the carbon fiber plate by pre-punching, the metal plate is then placed on the second side of the carbon fiber plate, the second end of the connecting body 110 is contacted to the metal plate, the first electrode 410 of the resistance welding gun is contacted to the connecting baffle 120 of the connecting member 100, the second electrode 420 is contacted to the metal member 300 at a position opposite to the connecting body 110, and when current is applied to the first electrode 410 and the second electrode 420, a large resistance is formed between the connecting body 110 and the metal member 300, and a nugget 500 is formed between the connecting body 110 and the metal member 300, thereby achieving the welded connection. Thereby connecting the carbon fiber plate and the metal plate together by welding through the connection member 100.

In the embodiment of the present invention, the end surface of the second end is coplanar with the second side surface, so that the second end of the connecting body 110 can contact with the metal member 300, or the end surface of the second end protrudes from the second side surface towards the direction away from the first end, so that the metal member 300 is not particularly flat, and can contact with the second end of the connecting body 110 under the slightly bending condition.

In an embodiment of the present invention, the connecting member 100 further includes a spacer 130, and the spacer 130 is disposed between the connecting baffle 120 and the first side surface. The spacer 130 may block movement of electrons between the connection barrier 120 and the first side of the non-metallic member 200, so that electrochemical corrosion may be prevented from occurring. The structure and arrangement of the spacer 130 are as described above and will not be described herein.

Carbon fibers have the characteristics of high temperature resistance, friction resistance, corrosion resistance and the like, and are high in strength and low in density, so that in automobile manufacturing, the carbon fibers can be applied to automobile bodies as new automobile body lightweight materials, and the automobile bodies can be improved in lightweight by adopting a method of combining metal plates such as steel plates or aluminum plates and carbon fiber plates for use. Adopt the utility model discloses a carbon fiber assembly, carbon fiber plate accessible connecting elements 100 conveniently are connected to the metal sheet, and connect the bellied thickness that the back formed less, and need not require the higher alignment accuracy of carbon fiber plate and metal sheet in the connection. The embodiment of the utility model provides an in simple process that carbon fiber assembly used in the connection process, need not trompil on the metal sheet, reduced the required precision to the metal sheet, the protruding thickness that forms after connecting is less, can satisfy the appearance requirement, the range of application of the carbon fiber of improvement, the application restriction of carbon fiber on the metal automobile body that has significantly reduced. The welding connection is used, so that the connection strength is improved, the purchase of new equipment is reduced, the original workshop can be modified, and the cost for modifying the automobile body is reduced.

The utility model discloses what the key description was in above embodiment is the difference between each embodiment, and different optimization characteristics are as long as not contradictory between each embodiment, all can make up and form more preferred embodiment, and it is succinct to consider the capable text, then no longer gives details here.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The connecting member (100) is arranged on a non-metal member (200), the connecting member (100) is used for connecting the non-metal member (200) to a metal member (300), and the non-metal member (200) is provided with a connecting hole (210), and the connecting member (100) is characterized by comprising a connecting main body (110) and a connecting baffle plate (120), wherein the connecting main body (110) is connected with the connecting baffle plate (120), the connecting main body (110) is used for being matched with the connecting hole (210), the connecting baffle plate (120) is arranged at a first end of the connecting main body (110), the connecting baffle plate (120) is used for being matched with a first side face of the non-metal member (200), a second end of the connecting main body (110) is used for being connected with the metal member (300), and the first end and the second end are arranged opposite.

2. The connecting member (100) according to claim 1, wherein the connecting member (100) is a metal connecting member, the second end being for a welded connection with the metal member (300).

3. The connecting member (100) of claim 2, wherein the connecting member (100) further comprises a spacer (130), the spacer (130) being disposed on the connecting baffle (120), the spacer (130) being configured to separate the connecting baffle (120) from the first side.

4. The connection member (100) according to claim 3, wherein the spacer (130) is provided with a mounting hole which is interference fitted with the connection body (110), and the spacer (130) is contact fitted with the connection baffle (120).

5. The connection member (100) according to claim 3, wherein the spacer washer (130) is a fiberglass washer.

6. The connecting member (100) according to claim 1, wherein a length of the connecting body (110) from the first end to the second end is greater than a length of the connecting hole (210) from the first side to a second side, the first side and the second side being disposed opposite each other.

7. The connecting member (100) according to claim 2, wherein the metal member (300) is a metal member (300) made of a first metal, and the connecting member (100) is a metal connecting member made of the first metal.

8. A carbon fiber assembly, comprising a carbon fiber plate and the connecting member (100) according to any one of claims 1 to 7, wherein the carbon fiber plate is the non-metal member (200), the carbon fiber plate is provided with the connecting hole (210), the connecting body (110) is matched with the connecting hole (210), the connecting baffle (120) is matched with a first side surface of the carbon fiber plate, a second side surface of the carbon fiber plate is used for being matched with the metal member (300), a second end of the connecting body (110) is used for being connected with the metal member (300), and the first side surface and the second side surface are arranged in an opposite manner.

9. The carbon fiber assembly of claim 8, wherein the end face of the second end is coplanar with the second side face or the end face of the second end protrudes beyond the second side face in a direction away from the first end.

10. The carbon fiber assembly of claim 8, wherein the connecting member (100) further comprises a spacer (130), the spacer (130) being disposed between the connecting baffle (120) and the first side surface.