Copper insert for automobile panel

Abstract

The copper insert for the automobile panel comprises a copper insert body and a plastic structure arranged on the copper insert body in an injection molding mode, the copper insert body comprises a through inner hole, a first groove is formed in the inner wall of the inner hole, and a plurality of second grooves with different widths are formed in the outer surface of the copper insert body; the plastic structure and the copper insert are formed together in an injection molding mode through the first groove and the second groove, and a thread is arranged on one side of the first groove and extends to one end of the copper insert. According to the copper insert for the automobile panel, the contact area of the copper insert and a plastic structure can be increased through inclined arrangement of the anti-disengaging grooves, meanwhile, axial friction force between the copper insert and the plastic structure can be increased through cooperation of the oblique tooth grooves, the copper insert and the plastic structure can be better attached, the anti-disengaging performance is improved, and the design of the protrusions and the embedded grooves can improve the anti-disengaging performance. Therefore, the contact area of the copper insert and the plastic structure is further increased, the anti-falling performance is improved, and meanwhile the sealing performance is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of copper inserts, in particular to a copper insert for an automobile panel. Background Art

[0002] Copper inserts are used in the processing of automobile panels. The structural design of the copper inserts is relatively simple. According to a copper insert structure with patent number CN205606022U, the first groove and the second groove designed in the utility model can play multiple water-sealing roles, making it more difficult for water to break through the long path, and more effectively preventing leakage. However, the copper insert structure only has the first groove and the second groove, and the fit between the copper insert and the plastic structure is general, and the anti-detachment effect of the two needs to be further strengthened. Therefore, the utility model proposes a copper insert for automobile panels to solve the above-mentioned problems. Utility Model Content

[0003] In view of the deficiencies of the prior art, the utility model provides a copper insert for an automobile panel, which solves the problems mentioned in the above background technology.

[0004] To achieve the above purpose, the utility model is implemented through the following technical solutions: a copper inlay for an automobile panel, including a copper inlay and a plastic structure injection-molded on the copper inlay, the copper inlay including a through inner hole, a first groove is provided on the inner wall of the inner hole, and a plurality of second grooves of different widths are provided on the outer surface of the copper inlay; the plastic structure is injection-molded together with the copper inlay using the first groove and the second groove, a screw thread is provided on one side of the first groove, the screw thread extends to one end of the copper inlay, and a stop groove is provided on the end surface of the end of the copper inlay provided with the screw thread, characterized in that an anti-slip stabilizing component is provided on the end surface of the end of the copper inlay provided with the screw thread, and an embedded resistance increasing mechanism is also provided inside the second groove.

[0005] Preferably, the anti-slip stabilizing component comprises an anti-slip groove provided on an end face of an end portion of the copper insert provided with a screw thread, and the inner wall of the anti-slip groove is provided with a plurality of oblique tooth grooves.

[0006] Preferably, at least two anti-slip grooves are provided, and the anti-slip grooves are arranged obliquely, and the two anti-slip grooves are arranged axially symmetrically with the midpoint of the copper insert as the center.

[0007] Preferably, the oblique tooth groove is triangular in shape and is arranged obliquely.

[0008] Preferably, the embedded resistance-increasing mechanism includes protrusions arranged on both sides of the inner wall of the second groove and an embedded groove opened on the inner wall of the second groove.

[0009] Preferably, the protrusion and the copper insert are integrally formed. Beneficial Effects

[0010] The utility model provides a copper insert for automobile panel. Compared with the prior art, it has the following beneficial effects:

[0011] The copper insert for the automobile panel can increase the contact area between the copper insert and the plastic structure by tilting the anti-slip groove. At the same time, the helical tooth groove can increase the axial friction between the copper insert and the plastic structure, so that the copper insert and the plastic structure fit better and the anti-slip property is improved. The design of the protrusion and the embedded groove further increases the contact area between the copper insert and the plastic structure, improves the anti-slip property, and improves the sealing property. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the copper insert after injection molding of the utility model;

[0013] Figure 2 This is a cross-sectional schematic diagram of the copper insert of the utility model;

[0014] Figure 3 For this utility model Figure 1 A partial enlarged view of point A in the middle.

[0015] In the figure: 1-copper insert, 2-plastic structure, 3-first groove, 4-second groove, 5-screw thread, 6-anti-slip stabilizing component, 61-anti-slip groove, 62-oblique tooth groove, 7-embedded resistance increasing mechanism, 71-protrusion, 72-embedded groove, 8-anti-rotation groove. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-3 The utility model provides a technical solution: a copper insert for an automobile panel, comprising a copper insert 1 and a plastic structure 2 injection-molded on the copper insert 1, the copper insert 1 comprising a through inner hole, a first groove 3 being provided on the inner wall of the inner hole, and a plurality of second grooves 4 of different widths being provided on the outer surface of the copper insert; the plastic structure 2 is injection-molded together with the copper insert 1 by using the first groove 3 and the second groove 4, a screw thread 5 being provided on one side of the first groove 3, the screw thread 5 extending to one end of the copper insert 1, a rotation-stopping groove 8 being provided on the end surface of the end of the copper insert 1 provided with the screw thread 5, an anti-slip stabilizing component 6 being provided on the end surface of the end of the copper insert 1 provided with the screw thread 5, and an embedded resistance-increasing mechanism 7 being further provided inside the second groove 4.

[0018] The anti-slip stabilizing component 6 includes an anti-slip groove 61 provided on the end face of one end of the copper insert 1 provided with the screw thread 5, and the inner wall of the anti-slip groove 61 is provided with a plurality of oblique tooth grooves 62, at least two anti-slip grooves 61 are provided, and the anti-slip grooves 61 are inclined, and the two anti-slip grooves 61 are axially symmetrically arranged with the midpoint of the copper insert 1 as the center, and the oblique tooth grooves 62 are triangular in shape and inclined. By the inclined arrangement of the anti-slip groove 61, the contact area between the copper insert 1 and the plastic structure 2 can be increased, and at the same time, in combination with the oblique tooth grooves 62, the axial friction between the copper insert 1 and the plastic structure 2 can be increased, so that the copper insert 1 and the plastic structure 2 fit better and the anti-slip property is improved.

[0019] The embedded resistance-increasing mechanism 7 includes protrusions 71 arranged on both sides of the inner wall of the second groove 4 and an embedded groove 72 opened on the inner wall of the second groove 4. The protrusion 71 is integrally formed with the copper insert 1. The design of the protrusion 71 and the embedded groove 72 further increases the contact area between the copper insert 1 and the plastic structure 2, improves the anti-slip property, and at the same time improves the sealing property.

[0020] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0021] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements that are not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A copper insert for an automobile panel, comprising a copper insert (1) and a plastic structure (2) injection-molded on the copper insert (1), wherein the copper insert (1) comprises a through inner hole, a first groove (3) is formed on the inner wall of the inner hole, and a plurality of second grooves (4) of varying widths are formed on the outer surface of the copper insert; the plastic structure (2) is injection-molded together with the copper insert (1) by using the first groove (3) and the second groove (4), a screw thread (5) is formed on one side of the first groove (3), the screw thread (5) extends to one end of the copper insert (1), and a rotation-stop groove (8) is formed on the end surface of the end of the copper insert (1) where the screw thread (5) is formed, characterized in that: An anti-dropout stabilizing component (6) is arranged on the end surface of one end of the copper insert (1) having a screw thread (5), and an embedded resistance increasing mechanism (7) is also arranged inside the second groove (4).

2. The copper insert for automobile panel according to claim 1, characterized in that: The anti-slip stabilizing component (6) comprises an anti-slip groove (61) formed on an end surface of an end portion of the copper insert (1) provided with a screw thread (5), and a plurality of oblique tooth grooves (62) are formed on the inner wall of the anti-slip groove (61).

3. The copper insert for automobile panel according to claim 2, characterized in that: At least two anti-slip grooves (61) are provided, and the anti-slip grooves (61) are arranged obliquely, and the two anti-slip grooves (61) are arranged axially symmetrically with the midpoint of the copper insert (1) as the center.

4. The copper insert for automobile panel according to claim 2, characterized in that: The oblique tooth groove (62) is triangular in shape and is arranged obliquely.

5. The copper insert for automobile panel according to claim 1, characterized in that: The embedded resistance increasing mechanism (7) comprises protrusions (71) arranged on both sides of the inner wall of the second groove (4) and an embedded groove (72) opened on the inner wall of the second groove (4).

6. The copper insert for automobile panel according to claim 5, characterized in that: The protrusion (71) and the copper insert (1) are integrally formed.

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