CN113964572B - New energy automobile connector structure and manufacturing method thereof - Google Patents
New energy automobile connector structure and manufacturing method thereof Download PDFInfo
- Publication number
- CN113964572B CN113964572B CN202111249506.2A CN202111249506A CN113964572B CN 113964572 B CN113964572 B CN 113964572B CN 202111249506 A CN202111249506 A CN 202111249506A CN 113964572 B CN113964572 B CN 113964572B
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- CN
- China
- Prior art keywords
- plug
- connector
- positioning
- fixed shell
- unit
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 36
- 238000001746 injection moulding Methods 0.000 claims abstract description 28
- 230000000694 effects Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention relates to the technical field of connector equipment and discloses a new energy automobile connector structure which comprises a plug unit and a connector shell. The number of the plug units is two, the fixed shells of the two plug units are provided with opposite positioning blocks, the side walls of the positioning blocks are inclined, and the outer side walls of the fixed shells are provided with positioning surfaces matched with the side walls of the positioning blocks. The end part of the positioning surface on the fixed shell is provided with a clamping block for clamping the positioning block. The invention also provides a manufacturing method of the new energy automobile connector structure, which comprises the following steps: fixing the metal plug-in, forming a fixed shell outside the metal plug-in through injection molding, and demolding to form a plug unit; the plug unit is fixed, and the connector housing is formed outside the plug unit by injection molding. The invention can improve the yield of the connector and the quality of the connector.
Description
Technical Field
The invention relates to the technical field of connector equipment, in particular to a new energy automobile connector structure and a manufacturing method thereof.
Background
In recent years, new energy automobiles are rapidly developed at home and abroad, and requirements for electric connectors in the new energy automobiles are also increasing. In the existing new energy automobile, the electric connector of the automobile is mainly produced and processed by an interlocking needle and metal plug-in integral injection molding mode, but because the volume of the electric connector is large, the glue amount of the product is large, and the plastic of the electric connector is seriously shrunk in cooling during injection molding, so that the overall dimension of the finished product of the electric connector is influenced, and the yield of the electric connector is low.
Disclosure of Invention
The invention aims to provide a new energy automobile connector structure and a manufacturing method thereof, which improve the yield and the quality of the connector.
In order to achieve the above object, the present invention provides a new energy automobile connector structure, which comprises a plug unit and a connector housing, wherein the plug unit comprises a metal insert and a fixed housing connected outside the metal insert, and the connector housing is formed outside the fixed housing by injection molding.
As the preferred scheme, the number of the plug units is two, the fixed shell of the two plug units is provided with opposite positioning blocks, the side walls of the positioning blocks are inclined, and the outer side walls of the fixed shell are provided with positioning surfaces matched with the side walls of the positioning blocks.
Preferably, a clamping block for clamping the positioning block is arranged at the end part of the positioning surface on the fixed shell.
Preferably, a positioning notch for positioning in cooperation with the connector housing is formed in the outer side wall of the fixed housing.
As a preferable scheme, the outer side wall of the fixed shell and the side wall of the positioning block are provided with positioning flanges for being matched and positioned with the connector shell.
As a preferable scheme, a positioning clamping groove which is obliquely arranged is formed in the top of the positioning block on the fixed shell.
As the preferable scheme, the metal plug-in comprises a first plug, a second plug and tetrahedral connecting parts, wherein the first plug and the second plug are connected on two pairs of edges of the connecting parts, and concave positioning bayonets are arranged on the side walls of the connecting parts.
Preferably, the fixed housing is injection-molded with the metal insert.
The invention also provides a manufacturing method of the new energy automobile connector structure, which comprises the following steps:
s100, fixing a metal plug, forming a fixed shell outside the metal plug through injection molding, and demolding to form a plug unit;
and S200, fixing the plug unit, and forming a connector shell outside the plug unit through injection molding.
The invention provides a new energy automobile connector structure, which comprises a plug unit and a connector shell, wherein the plug unit comprises a metal plug and a fixed shell connected outside the metal plug, after the plug unit is manufactured, the connector shell can be formed outside the fixed shell through injection molding of the plug unit, and then the connector shell is formed outside the fixed shell through injection molding, so that the glue amount of the whole connector formed through injection molding each time is reduced, the plastic shrinkage deformation of the connector shell is reduced, the yield of the connector is improved, and the product quality of the connector is also improved.
Furthermore, the number of the plug units is two, the fixed shell of the two plug units is provided with opposite positioning blocks, the side walls of the positioning blocks are inclined, the outer side walls of the fixed shell are provided with positioning surfaces matched with the side walls of the positioning blocks, and the two plug units can be mutually matched and fixed during injection molding and then are subjected to injection molding, so that the processing is convenient, and the production efficiency and the product quality of products are improved.
The invention also provides a manufacturing method of the new energy automobile connector structure, which comprises the following steps: s100, fixing the metal plug-in unit, forming a fixed shell outside the metal plug-in unit through injection molding, and demolding to form the plug unit. And S200, fixing the plug unit, and forming a connector shell outside the plug unit through injection molding. After the plug unit is fixed, the connector shell is subjected to injection molding, so that the molding volume of the connector shell is reduced, the shrinkage of the connector shell is reduced, and the injection molding quality of the connector is improved.
Drawings
Fig. 1 is a schematic front view of a plug unit of a connector structure of a new energy automobile in an embodiment of the present invention;
Fig. 2 is a schematic perspective view of a plug unit of a connector structure of a new energy automobile in an embodiment of the present invention;
Fig. 3 is a schematic perspective view of a plug unit of a connector structure of a new energy automobile in an embodiment of the present invention;
fig. 4 is a schematic front view of a two-plug unit of a connector structure of a new energy automobile according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of a two-plug unit of a connector structure of a new energy automobile according to an embodiment of the present invention;
fig. 6 is a schematic top view of a two-plug unit of a connector structure of a new energy automobile according to an embodiment of the present invention;
Fig. 7 is a schematic perspective view of a metal insert of a new energy automobile connector structure according to an embodiment of the present invention;
fig. 8 is a schematic perspective view of a connector housing of the new energy automobile connector structure according to the embodiment of the present invention;
fig. 9 is a schematic top view of a connector housing of the new energy automobile connector structure according to the embodiment of the present invention;
FIG. 10 is a schematic view of the structure of the cross section of the connector housing A-A of FIG. 9;
Fig. 11 is a schematic perspective view of a connector structure in a conventional structure;
Fig. 12 is a schematic top view of a connector structure in a conventional structure;
FIG. 13 is a schematic view of a section B-B of the conventional connector structure of FIG. 12;
In the figure, 100, a plug unit; 110. a metal insert; 111. a first plug; 112. a second plug; 113. a connection part; 114. positioning bayonets; 120. a fixed housing; 121. a positioning block; 122. a positioning surface; 123. a clamping block; 124. positioning the notch; 125. positioning a flange; 126. positioning clamping grooves; 200. a connector housing; 300. a connector body.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1 to 10, the new energy automobile connector structure of the preferred embodiment of the invention reduces shrinkage during injection molding connection and improves the product quality of the connector.
Based on the above technical solution, the present embodiment provides a new energy automobile connector structure, which includes a plug unit 100 and a connector housing 200, wherein the plug unit 100 is a conductive component of the connector, and the connector housing 200 is a housing of the connector.
Specifically, the plug unit 100 includes a metal insert 110, and a fixing housing 120 connected to the outside of the metal insert 110, where the metal insert 110 is a conductive plug of the present connector, the fixing housing 120 is used for fixing the metal insert 110, and the fixing housing 120 fixes the metal insert 110 in the middle of the fixing housing 120 by fixing the metal insert 110.
The fixing housing 120 and the connector housing 200 are made of plastic, so that the insulation effect is achieved.
Specifically, the connector housing 200 is formed outside the fixed housing 120 by injection molding, so that after the plug unit 100 is manufactured, the connector housing 200 is fixed outside the plug unit 100 by injection molding, thereby reducing the glue amount of the connector housing 200, reducing the shrinkage amount of the connector housing 200, improving the forming quality of the connector housing 200, and improving the product quality and yield of the connector.
In the conventional connector structure, as shown in fig. 11 to 13, the metal insert 110 is directly fixed in the connector body 300, the connector body 300 is manufactured by injection molding, and the metal insert 110 has a small volume, so that the connector body 300 has a large volume, and the shrinkage of the connector body 300 is large, resulting in the quality of the finished connector body 300, and the assembly size of the connector body 300 is also affected when the connector body 300 is injection molded once.
Preferably, the number of the plug units 100 is two, and the fixing housing 120 of the two plug units 100 is provided with opposite positioning blocks 121, so that the two plug units 100 can be mutually matched and positioned through the positioning blocks 121, thereby improving the fixing effect on the two plug units 100 and facilitating the injection molding of the connector housing 200.
Specifically, the side wall of the positioning block 121 is in an inclined plane shape, the outer side wall of the fixed housing 120 is provided with a positioning surface 122 matched with the side wall of the positioning block 121, and the positioning block 121 and the positioning surface 122 are matched with each other so as to position the two plug units 100. Meanwhile, the plug units 100 are mutually matched through the inclined positioning surfaces 122 and the positioning blocks 121, so that the fixing effect on the plug units 100 is improved, the two plug units 100 can be mutually limited in the length direction, and the stability of the connector structure is improved.
Preferably, a clamping block 123 for clamping the positioning block 121 is arranged at the end of the positioning surface 122 on the fixed housing 120, and the clamping block 123 can limit the positioning block 121 cooperatively arranged on the positioning surface 122, so that the stability of the connector structure is improved.
Preferably, the outer sidewall of the fixing housing 120 is provided with a positioning recess 124 for being cooperatively positioned with the connector housing 200, so that the positioning recess 124 can fix the connector housing 200 when the connector housing 200 is injection molded, thereby improving the stability of the connector structure.
Preferably, the outer side wall of the fixed housing 120 and the side wall of the positioning block 121 are provided with positioning flanges 125 for being cooperatively positioned with the connector housing 200. The positioning flange 125 can position the fixing housing 120 in the connector housing 200, improving the stability of the connector.
Preferably, the fixing housing 120 is provided with a positioning slot 126 disposed at the top of the positioning block 121, and the positioning slot 126 can be matched with the plastic of the connector housing 200 for positioning, so as to improve the stability of the fixing housing 120 in the connector housing 200.
Preferably, the metal insert 110 includes a first plug 111, a second plug 112 and a tetrahedral connecting portion 113, the first plug 111 and the second plug 112 are connected on two opposite sides of the connecting portion 113, the connecting portion 113 between the first plug 111 and the second plug 112 can limit the metal insert 110 in the fixed housing 120 from the middle, and stability of the structure of the metal insert 110 is improved.
Specifically, the side wall of the connecting portion 113 is provided with the recessed positioning bayonet 114, so that the connecting portion 113 can be stably connected with the fixed housing 120 when the plug unit 100 is injection molded, and the stability of the plug unit 100 to the metal plug 110 is improved.
Preferably, the fixed housing 120 is injection-molded with the metal insert 110, so that the fixed housing 120 has smaller volume and smaller shrinkage when the fixed housing 120 is injection-molded, thereby improving the quality and manufacturing precision of the connector finished product.
Example 2
The present embodiment provides a method for manufacturing a connector structure of a new energy automobile in embodiment 1, including the steps of:
and S100, fixing the metal insert 110, forming a fixed shell 120 outside the metal insert 110 by injection molding, and demolding to form the plug unit 100. The volume of the fixed housing 120 in this step is smaller, so that the shrinkage amount of the fixed housing 120 is smaller, and the quality of the finished product of the plug unit 100 is improved.
S200, the plug unit 100 is fixed, and the connector housing 200 is formed outside the plug unit 100 by injection molding. This step molds the connector housing 200 at the outside of the plug unit 100, and compared with the conventional connector manufacturing method, the connector housing 200 has a smaller volume, reduces shrinkage, improves the quality of the finished connector,
In summary, according to the embodiment, the connector is molded step by step in two steps, so that the plastic shrinkage in each step in injection molding is reduced, the product quality of the connector is improved, and the stability and the yield of the structure of the connector are improved.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (2)
1. The novel energy automobile connector structure is characterized by comprising a plug unit (100) and a connector shell (200), wherein the plug unit (100) comprises a metal plug-in unit (110) and a fixed shell (120) connected to the outside of the metal plug-in unit (110), and the connector shell (200) is formed outside the fixed shell (120) through injection molding;
The number of the plug units (100) is two, the fixed shell (120) of the two plug units (100) is provided with opposite positioning blocks (121), the side wall of each positioning block (121) is in an inclined plane shape, and the outer side wall of each fixed shell (120) is provided with a positioning surface (122) matched with the side wall of each positioning block (121); a clamping block (123) for clamping the positioning block (121) is arranged at the end part of the positioning surface (122) on the fixed shell (120);
the metal plug-in unit (110) comprises a first plug (111), a second plug (112) and tetrahedral connecting parts (113), wherein the first plug (111) and the second plug (112) are connected to two pairs of edges of the connecting parts (113), and concave positioning bayonets (114) are arranged on the side walls of the connecting parts (113); the fixed shell (120) is connected with the metal plug-in (110) through injection molding;
the outer side wall of the fixed shell (120) is provided with a positioning notch (124) for being matched and positioned with the connector shell (200), the outer side wall of the fixed shell (120) and the side wall of the positioning block (121) are provided with positioning flanges (125) for being matched and positioned with the connector shell (200), and the top of the positioning block (121) of the fixed shell (120) is provided with a positioning clamping groove (126) which is obliquely arranged.
2. A method of manufacturing the new energy automobile connector structure of claim 1, comprising the steps of:
S100, fixing the metal insert (110), forming a fixed shell (120) outside the metal insert (110) through injection molding, and demolding to form a plug unit (100);
S200, fixing the plug unit (100), and forming a connector housing (200) outside the plug unit (100) by injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111249506.2A CN113964572B (en) | 2021-10-26 | 2021-10-26 | New energy automobile connector structure and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111249506.2A CN113964572B (en) | 2021-10-26 | 2021-10-26 | New energy automobile connector structure and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113964572A CN113964572A (en) | 2022-01-21 |
| CN113964572B true CN113964572B (en) | 2024-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111249506.2A Active CN113964572B (en) | 2021-10-26 | 2021-10-26 | New energy automobile connector structure and manufacturing method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN113964572B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105742857A (en) * | 2016-02-17 | 2016-07-06 | 安费诺金事达电子系统（白城）有限公司 | Novel wire oil-resistant insert in engine cylinder |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0574524A (en) * | 1991-04-02 | 1993-03-26 | Canon Inc | Connector for circuit board and board and device using the same |
| JPH08330007A (en) * | 1995-05-29 | 1996-12-13 | Sato Seiki:Kk | Electric part for connection |
| DE10127488A1 (en) * | 2001-06-07 | 2003-01-16 | Siemens Ag | Plug connection, eg for use in vehicles, is produced by stamping out a plug pin, placing the plug pin in an injection mould, and injecting plastic material around it |
| US7059914B2 (en) * | 2004-02-20 | 2006-06-13 | Advanced Connectek, Inc. | HDMI plug connector |
| CN204885539U (en) * | 2015-07-31 | 2015-12-16 | 泰科电子(上海)有限公司 | Connector socket, connector component , battery busbar subassembly and battery device |
| CN208797293U (en) * | 2018-09-28 | 2019-04-26 | 广州正业电子科技股份有限公司 | A kind of connector |
| CN110492300A (en) * | 2019-08-09 | 2019-11-22 | 华为技术有限公司 | A kind of connector body, mobile unit and vehicle |
| DE102019214955A1 (en) * | 2019-09-30 | 2021-04-01 | Robert Bosch Gmbh | Connector and sealing element for a connector |
| CN210897739U (en) * | 2019-12-30 | 2020-06-30 | 东莞市林积为实业投资有限公司 | Exempt from to assemble fakra connector |
| EP3859921A1 (en) * | 2020-01-28 | 2021-08-04 | Aptiv Technologies Limited | Cable seal and method of manufacture |
| CN213753312U (en) * | 2020-12-30 | 2021-07-20 | 合肥凯纳特光电科技有限公司 | High-voltage connector for automobile |
-
2021
- 2021-10-26 CN CN202111249506.2A patent/CN113964572B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105742857A (en) * | 2016-02-17 | 2016-07-06 | 安费诺金事达电子系统（白城）有限公司 | Novel wire oil-resistant insert in engine cylinder |
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| Publication number | Publication date |
|---|---|
| CN113964572A (en) | 2022-01-21 |
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