CN218940296U

CN218940296U - Injection molding insert of charging head

Info

Publication number: CN218940296U
Application number: CN202223190119.9U
Authority: CN
Inventors: 何凯; 龚志鹏; 李垚; 张建明
Original assignee: Shenzhen Chuangyitong Technology Co Ltd
Current assignee: Shenzhen Chuangyitong Technology Co Ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-04-28
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a charging head injection molding insert which comprises a body. The injection molding insert is adopted, and a through groove for a wire rod to pass through is formed in the insert body, and penetrates through the upper end face and the lower end face of the body; the side wall of the insert body is integrally provided with a relief groove in an inward concave manner; the embedded part is arranged on the body of the matching insert, the embedded part is arranged on the upper end face of the body, the embedded groove is integrally concavely formed inwards from the upper end face of the body, and the embedded groove is arranged on the periphery of the through groove and the embedded part, so that when the charging plug is assembled, only the terminal and the wire are sequentially placed in the corresponding through groove and the abdication groove, and the embedded groove and the embedded part are matched; the plastic is molded by putting the insert into the mold in an injection molding mode, and then the insert is taken down, so that the assembly process is simplified, the assembly efficiency is improved, the waterproof effect can be realized by arranging the embedded groove and the embedded part, the terminal and the wire are embedded into the plastic shell, an additional waterproof silica gel ring is not needed, and the assembly cost is saved.

Description

Injection molding insert of charging head

Technical Field

The utility model relates to the technology in the field of plug connector processing, in particular to a charging head injection molding insert.

Background

Household and similar use plug and socket are a large number of products, which are mainly used in homes, offices, hotels, farms, light industrial factories, etc., and are also applied to the automotive industry due to the continuous development of automotive electronics and the ever-improving lives of people today. Most users of sockets in real life are non-professional. The socket is used for connecting with electric appliances and equipment, and the quality and safety performance of the product determine the safety of life, property and surrounding environment of people, in particular to the use of a charging plug.

The existing charging plug is in the assembly process, the terminal and the wire rod are generally fixed in the plastic shell in a mode of adopting a fixing piece, the waterproof performance is generally required to be achieved by adding the waterproof silica gel ring in the assembly mode, the assembly process is more troublesome, the assembly efficiency is affected, and the assembly cost is increased due to the additionally added silica gel waterproof ring. Accordingly, there is a need for further improvements over existing charging plug assemblies.

Disclosure of Invention

In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and its primary objective is to provide a charging head injection molding insert, which can effectively solve the problems of troublesome assembly process, low efficiency and high cost of the existing charging plug assembly method.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a charging head injection molding insert comprises a body; the body is internally provided with through grooves for wires to pass through, the through grooves penetrate through the upper end face and the lower end face of the body, and the through grooves are arranged at intervals; the side wall of the body is integrally provided with a relief groove in an inward concave manner, and the relief groove is communicated with the through groove; the body is also provided with an embedded part and an embedded groove, the embedded part is arranged on the upper end surface of the body, the embedded groove is formed by integrally and inwards concavely arranging the upper end surface of the body, and the embedded groove is arranged on the periphery of the through groove and the embedded part.

As a preferable scheme, the peripheral side wall of the opening at the upper end of the through groove integrally extends upwards to form a supporting part, the supporting part is annular, and the caulking grooves are distributed on the peripheral side wall of the supporting part.

Preferably, the supporting portion has a supporting surface matched with the terminal, and the supporting surface is flush with the upper surface of the embedded portion.

As a preferred scheme, the groove of stepping down is a plurality of, and every groove of stepping down all is including setting up at the first recess of body lower extreme face, setting up at body lateral wall face and the second recess of extending from top to bottom and setting up at body lateral wall face and transversely extending's third recess, and this first recess communicates with the lower extreme opening of corresponding logical groove, and this second recess communicates with first recess and third recess respectively.

As a preferable scheme, a connecting groove is arranged at the joint of the second groove and the third groove, the connecting groove is in a circular shape, and the depth of the connecting groove is larger than that of the second groove and the third groove.

As a preferable scheme, the inner side walls of the second groove and the third groove are integrally and outwards protruded with fixing parts matched with the wires.

As a preferable scheme, the side wall of the body is concavely provided with positioning grooves matched with the mechanical jig, and the positioning grooves are two symmetrically arranged left and right.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, and in particular, the technical scheme can be as follows:

the injection molding insert is adopted, and a through groove for a wire rod to pass through is formed in the insert body, and penetrates through the upper end face and the lower end face of the body; the side wall of the insert body is integrally provided with a relief groove in an inward concave manner; the embedded part is arranged on the body of the matching insert, the embedded part is arranged on the upper end face of the body, the embedded groove is integrally concavely formed inwards from the upper end face of the body, and the embedded groove is arranged on the periphery of the through groove and the embedded part, so that when the charging plug is assembled, only the terminal and the wire are sequentially placed in the corresponding through groove and the abdication groove, and the embedded groove and the embedded part are matched; the plastic is molded by putting the insert into the mold in an injection molding mode, and then the insert is taken down, so that the assembly process is simplified, the assembly efficiency is improved, the waterproof effect can be realized by arranging the embedded groove and the embedded part, the terminal and the wire are embedded into the plastic shell, an additional waterproof silica gel ring is not needed, and the assembly cost is saved.

In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic view of the use state of the preferred embodiment of the present utility model;

FIG. 2 is a schematic perspective view of a preferred embodiment of the present utility model;

FIG. 3 is a schematic view of another perspective view of the preferred embodiment of the present utility model;

FIG. 4 is an assembled schematic view of a preferred embodiment of the present utility model.

The attached drawings are used for identifying and describing:

10. body 101, through groove

102. Relief groove 103 and caulking groove

104. First groove 105, second groove

106. Third groove 107, connecting groove

108. Positioning groove 11 and embedded part

12. Support portion 121 and support surface

13. Fixing portion 20, wire rod

30. Terminals 40, plastic housing.

Detailed Description

Referring to fig. 1 to 4, a specific structure of a preferred embodiment of the present utility model is shown, which includes a body 10.

The body 10 is internally provided with through grooves 101 for the wires 20 to pass through, the through grooves 101 penetrate through the upper end face and the lower end face of the body 10, and the through grooves 101 are arranged at intervals; the side wall of the body 10 is integrally provided with a relief groove 102 in an inward concave manner, the relief groove 102 is communicated with the through groove 101, and the relief groove 102 is used for placing a wire rod into the relief groove when injection molding is carried out; the embedded part 11 and the embedded groove 103 are further arranged on the body 10, the embedded part 11 is arranged on the upper end face of the body 10, the embedded groove 103 is integrally formed by concave arrangement of the upper end face of the body 10, the embedded groove 103 is arranged on the periphery of the through groove 101 and the embedded part 11, the terminals 30 and the wires 20 are embedded in the plastic shell 40 through the matching of the embedded part 11 and the embedded groove 103, the stability of the whole structure is better, the waterproof effect can be achieved, the waterproof silica gel ring in the existing assembling process is replaced, and the assembling cost is reduced.

In this embodiment, the outer peripheral side wall of the upper end opening of the through groove 101 integrally extends upwards to form a supporting portion 12, the supporting portion is an annular shape 12, the supporting portion 12 is used for supporting the lower end face of the terminal 30, and the caulking grooves 103 are distributed on the outer peripheral side wall of the supporting portion 12; the supporting portion 12 has a supporting surface 121 that mates with the terminal 30, and the supporting surface 121 is flush with the upper surface of the embedded portion 11. The number of the relief grooves 102 is plural, each relief groove 102 includes a first groove 104 disposed on the lower end surface of the body 10, a second groove 105 disposed on the side wall surface of the body 10 and extending up and down, and a third groove 106 disposed on the side wall surface of the body 10 and extending transversely, the first groove 104 is communicated with the lower end opening of the corresponding through groove 101, and the second groove 105 is respectively communicated with the first groove 104 and the third groove 106; the connection part of the second groove 105 and the third groove 106 is provided with a connecting groove 107, the connecting groove 107 is circular, and the depth of the connecting groove 107 is larger than the depths of the second groove 105 and the third groove 106, so that the corner of the second groove 105 and the third groove 107 is smoother, and the subsequent extraction of the wire 20 is facilitated. The inner side walls of the second groove 105 and the third groove 106 are integrally and outwardly protruded with fixing parts 13 matched with the wires 20, and the fixing parts 13 are used for fixing the wires 20 in the second groove 105 and the third groove 106 and preventing the wires 20 from falling off from the yielding grooves 102. The lateral wall of body 10 concave be equipped with mechanical tool complex constant head tank 108, and constant head tank 108 is two that bilateral symmetry arranged, for mechanical tool gets the mold insert usefulness, guaranteed the yields of moulding plastics.

The following procedure is used to describe the present embodiment:

when assembling, the terminal 30 assembled with the wire 20 is firstly put into the body 10 through the through groove 101, the lower end face of the terminal is propped against the supporting part 12, the wire 20 sequentially extends downwards along the through groove 101 and is fixed in the yielding groove 102 to be fixedly clamped, then the body 10 is put into a rear die to be subjected to die assembly and injection molding, the body 10 and a product are ejected together after the injection molding is finished, the wire clamped into the yielding groove 102 is firstly picked out, and then the product and the body 10 are separated through a jig.

The design focus of the utility model is that: the injection molding insert is adopted, and a through groove for a wire rod to pass through is formed in the insert body, and penetrates through the upper end face and the lower end face of the body; the side wall of the insert body is integrally provided with a relief groove in an inward concave manner; the embedded part is arranged on the body of the matching insert, the embedded part is arranged on the upper end face of the body, the embedded groove is integrally concavely formed inwards from the upper end face of the body, and the embedded groove is arranged on the periphery of the through groove and the embedded part, so that when the charging plug is assembled, only the terminal and the wire are sequentially placed in the corresponding through groove and the abdication groove, and the embedded groove and the embedded part are matched; the plastic is molded by putting the insert into the mold in an injection molding mode, and then the insert is taken down, so that the assembly process is simplified, the assembly efficiency is improved, the waterproof effect can be realized by arranging the embedded groove and the embedded part, the terminal and the wire are embedded into the plastic shell, an additional waterproof silica gel ring is not needed, and the assembly cost is saved.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model are still within the scope of the technical solutions of the present utility model.

Claims

1. The utility model provides a first mold insert of moulding plastics of charging which characterized in that: comprises a body; the body is internally provided with through grooves for wires to pass through, the through grooves penetrate through the upper end face and the lower end face of the body, and the through grooves are arranged at intervals; the side wall of the body is integrally provided with a relief groove in an inward concave manner, and the relief groove is communicated with the through groove; the body is also provided with an embedded part and an embedded groove, the embedded part is arranged on the upper end surface of the body, the embedded groove is formed by integrally and inwards concavely arranging the upper end surface of the body, and the embedded groove is arranged on the periphery of the through groove and the embedded part.

2. The charging head injection molding insert of claim 1, wherein: the supporting part is integrally extended upwards from the peripheral side wall of the upper end opening of the through groove, the supporting part is annular, and the caulking grooves are distributed on the peripheral side wall of the supporting part.

3. The charging head injection molding insert of claim 2, wherein: the supporting part is provided with a supporting surface matched with the terminal, and the supporting surface is flush with the upper surface of the embedded part.

4. The charging head injection molding insert of claim 1, wherein: the utility model discloses a novel structure of a bicycle, including body, groove, first recess, second recess, third recess, the groove is put down to the groove is all including setting up at the first recess of terminal surface under the body, setting up at body lateral wall face and extending from top to bottom and setting up at body lateral wall face and transversely extending's third recess, this first recess and the lower extreme opening intercommunication that corresponds the logical groove, this second recess communicates with first recess and third recess respectively.

5. The charging head injection molding insert of claim 4, wherein: the junction of second recess and third recess is provided with a spread groove, and this spread groove is circular setting, and the degree of depth of spread groove is greater than the degree of depth of second recess and third recess.

6. The charging head injection molding insert of claim 4, wherein: the inside walls of the second groove and the third groove are integrally and outwards protruded with fixing parts matched with the wires.

7. The charging head injection molding insert of claim 1, wherein: the lateral wall of body concave be equipped with mechanical jig complex constant head tank, and the constant head tank is two that bilateral symmetry arranged.