Connecting piece and connector using same

Abstract

The utility model relates to the field of connecting pieces, in particular to a connecting piece and a connector applying the connecting piece, the connecting piece comprises a first connecting part and a second connecting part connected to the first connecting part, a positioning part is fixed on the surface of the first connecting part or the second connecting part, and the positioning part can abut against an upper die to form positioning. Through the arrangement of the first connecting part, the second connecting part and the positioning part, the plate face, away from the first connecting part, of the positioning part abuts against the surface of the upper die to form positioning, the plate face of the positioning part provides support for the connecting piece, the connecting piece is not prone to shifting in the cavity, and therefore the machining precision of the connecting piece is improved.

Description

Technical Field

[0001] The present application relates to the field of connectors, and in particular to a connecting piece and a connector head using the connecting piece. Background Art

[0002] A connector is one of the main components for connecting a rim and a brake disc. The end of the connector is welded and fixed on the surface of the rim, and the brake disc is fixed on the surface of the connector by bolts. The connector can receive the braking force of the brake disc and act on the rim.

[0003] In the prior art, the connector includes a connecting piece and a connector head. The connector head is fixed on the surface of the connecting piece by aluminum liquid injection molding, and the end face of the connecting piece is welded and fixed on the surface of the rim to form a fixation.

[0004] During the actual production process of the connector, the connecting piece is placed on the surface of the lower mold, and the upper mold and the lower mold are closed to form a cavity. Aluminum liquid is injected into the cavity and cooled to form the connector head. However, during the process of the aluminum liquid cooling to form the connector head, the connecting piece is prone to shift, reducing the production quality of the connector. Summary of the Utility Model

[0005] In order to improve the problem of the production quality of the connector, the present application provides a connecting piece and a connector head using the connecting piece.

[0006] In a first aspect, a connecting piece provided by the present application adopts the following technical solution:

[0007] A connecting piece includes a first connecting portion and a second connecting portion connected to the first connecting portion. A positioning portion is fixed on the surface of the first connecting portion or the second connecting portion, and the positioning portion can abut against the upper mold to form positioning.

[0008] By adopting the above technical solution, during the production of the connector, the connecting piece is placed on the surface of the lower mold, and the upper mold and the lower mold are closed to form a cavity. The plate surface of the positioning portion abuts against the surface of the upper mold to form positioning. The plate surface of the positioning portion provides support for the connecting piece, making the connecting piece not prone to shift in the cavity, thereby improving the processing accuracy of the connector.

[0009] Optionally, the end faces of the first connecting portion and the second connecting portion away from each other can be welded and fixed on the surface of the rim.

[0010] By adopting the above technical solution, the end faces of the first connecting portion and the second connecting portion away from each other are welded and fixed on the surface of the rim to form a fixation, realizing the fixation of the connecting piece on the rim, making the connecting piece not prone to detach from the rim, thereby improving the connection strength between the connector and the rim.

[0011] Optionally, a liquid inlet hole for aluminum liquid to pass through is formed on the surface of the first connecting portion, and the liquid inlet hole penetrates through the outer wall of the first connecting portion.

[0012] By adopting the above technical solution, the connecting piece is placed on the surface of the lower mold. The lower mold and the upper mold are closed to form a cavity. Molten aluminum is injected into the cavity. The molten aluminum in the cavity passes through the liquid inlet hole to fill the entire cavity. The molten aluminum coats the outer periphery of the connecting piece. At the same time, the molten aluminum in the cavity cools to form a connecting head, and the connecting head is fixed on the connecting piece to form a connecting member, so that there is no gap between the connecting head and the connecting piece, thereby further improving the overall strength of the connecting member.

[0013] Optionally, a guiding surface is provided at the end where the first connecting portion is connected to the second connecting portion. The guiding surface is arc-shaped, and the guiding surface can abut against the inner wall of the connecting head to form a fixation.

[0014] By adopting the above technical solution, the connecting head coats the connection part between the first connecting portion and the second connecting portion. A guiding surface is provided at the end where the first connecting portion is connected to the second connecting portion. The guiding surface is in the shape of an arc protrusion, and the guiding surface abuts against the inner wall of the connecting head to form a fixation, reducing the wear between the connecting piece and the connecting head, thereby prolonging the service life of the connecting member.

[0015] Optionally, a buffer surface is provided on the end face of the positioning portion close to the liquid inlet hole. The buffer surface is arc-shaped, and the buffer surface guides the molten aluminum to pass through the liquid inlet hole.

[0016] By adopting the above technical solution, when the molten aluminum is injected into the cavity, the buffer surface guides the molten aluminum to pass through the liquid inlet hole, making it difficult to generate a gap between the molten aluminum and the positioning portion, ensuring that the entire cavity is filled with molten aluminum, thereby improving the overall connection strength of the connecting member.

[0017] Optionally, a positioning hole for the ejector pin to pass through is provided on the surface of the first connecting portion.

[0018] By adopting the above technical solution, the ejector pin passes through the positioning hole, and the outer wall of the ejector pin abuts against the inner wall of the positioning hole to form a positioning, making it difficult for the connecting piece to shift in the cavity, thereby improving the processing accuracy of the connecting member.

[0019] Optionally, a weight-reducing hole is provided on the surface of the second connecting portion, and the weight-reducing hole communicates with the liquid inlet hole.

[0020] By adopting the above technical solution, a weight-reducing hole is provided on the surface of the second connecting portion, reducing the weight of the connecting piece. At the same time, the weight-reducing hole communicates with the liquid inlet hole, and the weight-reducing hole allows the molten aluminum to pass through, accelerating the efficiency of filling the cavity with molten aluminum, thereby improving the production efficiency of the connecting member.

[0021] In a second aspect, a connecting head using the connecting piece provided in the present application adopts the following technical solution:

[0022] A connecting head using the connecting piece includes a connecting seat. The connecting seat can be fixed on the connecting piece by injection molding. An abutting surface that fits with the rim is provided on the surface of the connecting seat, and the abutting surface is arc-shaped.

[0023] By adopting the above technical solution, when the connecting piece is welded and fixed on the rim surface, the abutting surface fits the rim surface, so that there is no easy gap between the abutting surface and the rim, ensuring that the connecting seat is not easily separated from the rim, thereby improving the connection stability between the connecting seat and the rim.

[0024] In summary, the present application includes at least one of the following beneficial technical effects:

[0025] 1. The settings of the first connecting part, the second connecting part and the positioning part. The plate surface of the positioning part far from the first connecting part abuts against the surface of the upper die to form positioning, and the plate surface of the positioning part provides support for the connecting piece, so that the connecting piece is not easily offset in the cavity, thereby improving the processing accuracy of the connecting piece;

[0026] 2. The setting of the liquid inlet hole. The connecting head is fixed on the connecting piece to form a connecting piece, so that there is no easy gap between the connecting head and the connecting piece, thereby further improving the overall strength of the connecting piece;

[0027] 3. The setting of the guiding surface. The guiding surface abuts against the inner wall of the connecting head to form fixation, reducing the wear between the connecting piece and the connecting head, thereby prolonging the service life of the connecting piece. Description of the Drawings

[0028] Figure 1 It is a schematic diagram of the overall structure of the connecting piece in the embodiment of the present application.

[0029] Figure 2 It is a schematic diagram of the overall structure of the connecting head in the embodiment of the present application.

[0030] Description of the reference numerals: 1, connecting seat; 11, abutting cavity; 12, abutting surface; 21, first connecting part; 211, positioning hole; 22, second connecting part; 221, weight-reducing hole; 23, guiding surface; 24, liquid inlet hole; 3, positioning part; 31, buffer surface. Detailed Description of the Embodiment

[0031] The following is a further detailed description of the present application in conjunction with the attached Figure 1-2 drawings.

[0032] The embodiment of the present application discloses a connecting piece. Refer to Figure 1, A connecting piece includes a first connecting portion 21 and a second connecting portion 22. In the embodiment of the present application, the first connecting portion 21 and the second connecting portion 22 are straight plates. The end of the first connecting portion 21 is integrally formed and fixed to the end of the second connecting portion 22. The length direction of the first connecting portion 21 and the length direction of the second connecting portion 22 are perpendicular to each other. A positioning portion 3 is fixed on the surface of the first connecting portion 21. In the embodiment of the present application, the positioning portion 3 is a plate body. The end of the positioning portion 3 away from the first connecting portion 21 extends in a direction away from the second connecting portion 22, and the length direction of the positioning portion 3 is parallel to the length direction of the second connecting portion 22. The plate surface of the positioning portion 3 away from the first connecting portion 21 can abut against the surface of the upper mold to form a positioning, so that the connecting piece is not likely to shift in the cavity, thereby improving the stability of the connection head cooling and forming on the connecting piece.

[0033] Refer to Figure 1 , A liquid inlet hole 24 for molten aluminum to pass through is provided on the surface of the first connecting portion 21. The depth direction of the liquid inlet hole 24 penetrates through the outer wall of the first connecting portion. When the connecting piece is placed on the surface of the lower mold, the upper mold and the lower mold are closed to form a cavity. Molten aluminum is injected into the cavity. The molten aluminum passes through the liquid inlet hole 24 and fills the entire cavity. The molten aluminum in the cavity cools to form a connection head, so that there is not likely to be a gap between the connecting piece and the connection head, thereby improving the processing accuracy of the connecting piece.

[0034] Refer to Figure 1 , A buffer surface 31 is provided on the end face of the positioning portion 3 close to the liquid inlet hole 24. The buffer surface 31 is arc-shaped. The buffer surface 31 guides the molten aluminum to pass through the liquid inlet hole 24 and fill the entire cavity, so that there is not likely to be a gap in the molten aluminum in the cavity, thereby improving the processing accuracy of the connecting piece.

[0035] Refer to Figure 1 , A positioning hole 211 for a ejector pin to pass through is provided on the surface of the first connecting portion. The inner wall of the positioning hole 211 can abut against the outer wall of the ejector pin to form a positioning, so that the connecting piece is not likely to shift in the cavity, thereby improving the processing accuracy of the connecting piece.

[0036] Refer to Figure 1 , A guiding surface 23 is provided at the fixed end of the first connecting portion 21 and the second connecting portion 22. The guiding surface 23 is arc-shaped. The guiding surface 23 abuts against the inner wall of the connection head to form a fixation, reducing the wear between the connecting piece and the connection head, thereby extending the service life of the connecting piece.

[0037] Refer to Figure 1 , The ends of the first connecting portion 21 and the second connecting portion 22 away from each other can be welded and fixed to the surface of the rim, realizing the welding and fixing of multiple welding surfaces on the connecting piece to the rim, thereby improving the fixing firmness of the connecting piece on the rim.

[0038] Refer to Figure 1, a weight-reducing hole 221 is provided on the surface of the second connecting portion 22 close to the first connecting portion 21. The weight-reducing hole 221 penetrates through the outer wall of the second connecting portion 22 along the depth direction, and the weight-reducing hole 221 communicates with the liquid inlet hole 24, reducing the overall weight of the connecting piece. Moreover, the weight-reducing hole 221 allows the aluminum liquid to pass through, accelerating the efficiency of filling the cavity with aluminum liquid, thereby improving the processing quality of the connecting piece.

[0039] The implementation principle of a connecting piece in an embodiment of the present application is as follows: The connecting piece is placed on the surface of the lower mold, and the upper mold and the lower mold are closed to form a cavity. The plate surface of the positioning portion 3 away from the first connecting portion 21 abuts against the surface of the upper mold to form positioning, making the positioning piece not prone to deviation in the cavity. Aluminum liquid is injected into the cavity, and the aluminum liquid passes through the liquid inlet hole 24 and fills the entire cavity. The aluminum liquid in the cavity cools to form a connecting head, making it difficult for a gap to remain between the connecting head and the connecting piece, thereby improving the processing accuracy of the connecting piece.

[0040] The embodiment of the present application also discloses a connecting head using this connecting piece. Refer to Figure 2 , a connecting head using this connecting piece includes a connecting seat 1. The material of the connecting seat 1 can be aluminum or aluminum alloy. In the embodiment of the present application, the material of the connecting seat 1 is aluminum. The connecting seat 1 is fixed on the surface of the connecting piece by injection molding. Both the first connecting portion 21 and the second connecting portion 22 protruding from the end face of the connecting seat 1 can be welded and fixed on the surface of the rim to form fixation, realizing the fixation of the connecting seat 1 on the rim.

[0041] Refer to Figure 2 , the connecting seat 1 has a tightening cavity 11 for accommodating the connecting piece. The outer wall of the connecting piece abuts against the inner wall of the tightening cavity 11 to form fixation, making the connecting piece not prone to separating from the connecting seat 1, thereby improving the connection stability between the connecting piece and the connecting seat 1. The surface of the connecting seat 1 is provided with a tightening surface 12 that fits the rim. The tightening surface 12 is arc-shaped, and the tightening surface 12 abuts against the surface of the rim, making it difficult for a gap to remain between the connecting seat 1 and the rim, ensuring that the connecting seat 1 is not prone to separating from the rim, thereby improving the connection strength between the connecting seat 1 and the rim.

[0042] The implementation principle of a connecting head using this connecting piece in an embodiment of the present application is as follows: When both the first connecting portion 21 and the second connecting portion 22 protruding from the end face of the connecting seat 1 are welded and fixed on the surface of the rim, the tightening surface 12 abuts against the surface of the rim, making it difficult for a gap to remain between the connecting seat 1 and the rim, ensuring that the connecting seat 1 is not prone to separating from the rim, thereby improving the connection strength between the connecting seat 1 and the rim.

[0043] The above are all the preferred embodiments of the present application. It does not limit the protection scope of the present application accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A connecting sheet, characterized in that: It comprises a connecting part 1 (21) and a connecting part 2 (22) connected to the connecting part 1 (21), a positioning part (3) is fixed on the surface of the connecting part 1 (21) or the connecting part 2 (22), and the positioning part (3) can abut against the upper mold to form positioning.

2. A connecting sheet according to claim 1, characterized in that: The end surfaces of the connecting portion 1 (21) and the connecting portion 2 (22) which are far away from each other can be welded and fixed on the surface of the wheel rim.

3. A connecting sheet according to claim 1, characterized in that: A liquid inlet hole (24) for aluminum liquid to pass through is provided on the surface of the connecting portion 1 (21), and the liquid inlet hole (24) passes through the outer wall of the connecting portion 1 (21).

4. A connecting sheet according to claim 1, characterized in that: The end portion where the connecting portion 1 (21) is connected to the connecting portion 2 (22) is provided with a guide surface (23), the guide surface (23) is in an arc shape, and the guide surface (23) can be pressed against the inner wall of the connecting head to form a fixed position.

5. A connecting sheet according to claim 3, characterized in that: The end surface of the positioning portion (3) close to the liquid inlet hole (24) is provided with a buffer surface (31), the buffer surface (31) is in an arc shape, and the buffer surface (31) guides the aluminum liquid to pass through the liquid inlet hole (24).

6. A connecting sheet according to claim 1, characterized in that: The surface of the connecting portion 1 (21) is provided with a positioning hole (211) for the ejector pin to pass through.

7. A connecting sheet according to claim 3, characterized in that: A weight-reducing hole (221) is provided on the surface of the second connecting portion (22), and the weight-reducing hole (221) is connected to the liquid inlet hole (24).

8. A connector using the connecting piece, characterized in that: It comprises a connecting seat (1), which can be fixed on the connecting piece described in any one of claims 1 to 7 by injection molding, and the surface of the connecting seat (1) is provided with a pressing surface (12) that fits with the rim, and the pressing surface (12) is in an arc shape.

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