CN112864668A - Terminal structure of automobile connector - Google Patents
Terminal structure of automobile connector Download PDFInfo
- Publication number
- CN112864668A CN112864668A CN202110034877.2A CN202110034877A CN112864668A CN 112864668 A CN112864668 A CN 112864668A CN 202110034877 A CN202110034877 A CN 202110034877A CN 112864668 A CN112864668 A CN 112864668A
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- Prior art keywords
- terminal
- male
- female
- male terminal
- main body
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- 238000003780 insertion Methods 0.000 claims abstract description 20
- 230000037431 insertion Effects 0.000 claims abstract description 20
- 239000012634 fragment Substances 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000011900 installation process Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
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- 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
- H01R13/02—Contact members
- H01R13/04—Pins or blades for co-operation with sockets
- H01R13/05—Resilient pins or blades
-
- 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
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
- H01R13/11—Resilient sockets
-
- 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
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention relates to a terminal structure of an automobile connector, which comprises a female terminal and a male terminal, wherein the front end of the female terminal is in opposite insertion fit with the front end of the male terminal, the female terminal comprises a female end head part and a female end main body, the female end head part is coaxially connected with the female end main body, the female end head part is of a hollow quadrangular prism structure, the front end center of the female end head part is provided with a jack matched with the male terminal, a spring plate is arranged in the female end head part, the opening of the spring plate is in a U-shaped structure facing the direction of the jack, the female end head part below the middle part of the spring plate is provided with a support sheet which is upwards tilted from front to back, the upper end of the rear part of the spring plate is a free end, and the support sheet is not in contact with. The supporting sheet of the structure is in contact with the elastic sheet to form a simply supported beam structure, the rigidity is higher, compared with the existing product, the structure can provide larger positive pressure, the design requirements of low insertion and extraction force and high positive pressure are met, and the problem that the positive pressure of the existing structure is insufficient is effectively solved.
Description
Technical Field
The invention belongs to the field of automobile accessories, and particularly relates to a terminal structure of an automobile connector.
Background
Currently, the world is entering the low-carbon era, and strict carbon emission regulations are set in the main automobile market all over the world. Automobile manufacturing technology, cost and the like are facing more and more challenges, and the light weight of the whole automobile is a necessary trend. Terminals are also becoming lighter and smaller as an essential part of automotive wire harnesses. The small-sized terminal is required to have a small insertion force, and the positive pressure is also reduced due to the positive correlation between the insertion force and the positive pressure. The independent elastic sheet cannot provide enough positive pressure, the existing supporting sheet structure can increase the pressure of the elastic sheet but is not obvious, and the signal loss of the automobile line can be caused by insufficient positive pressure sometimes.
Some technical terms referred to in this application describe:
a terminal: the terminals are key components in the connector system that function as electrical connections, typically in male-female pairs.
Positive pressure: when the male terminal and the female terminal are matched, the male terminal is inserted into the elastic structure of the female terminal, and positive pressure is formed on the male terminal at a contact point after the elastic structure of the female terminal is deformed, so that the reliable connection of the contact point is ensured; if the positive pressure is too small, the vibration of the vehicle body can cause the phenomenon that the connection of the contact is broken instantly, so that signals are lost, and the potential safety hazard of driving is formed. The larger the positive pressure, the better.
Insertion and extraction force: when the terminal is inserted into or pulled out of the male terminal, the contact part is difficult to insert due to the friction force generated by the positive pressure, and the smaller the insertion force, the better the insertion force.
Referring to the attached figure 5, in the existing product, elastic support arms 1-10 are arranged on one side of a female end main body below an elastic sheet, the inclined direction of each elastic support arm is the same as that of a tail plate below the elastic sheet, the provided positive pressure is small, and large insertion and extraction force is generated in the insertion direction of the elastic sheet; the contact position of the upper tail plate of the elastic sheet is of a convex point structure, the friction force between the elastic sheet and the male terminal is large, and the insertion and extraction force is large.
Disclosure of Invention
The invention aims to overcome the defects and provide the terminal structure of the automobile connector with low insertion and extraction force and high positive pressure.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a vehicle connector's terminal structure, includes female terminal and male terminal, the front end of female terminal and the front end of male terminal are the cooperation of pegging graft relatively, its characterized in that: female terminal includes female end portion and female end main part, female end portion and female end main part coaxial coupling, female end portion is hollow quadrangular prism structure, the front end center system of female end portion has the jack with male terminal complex, system has the shell fragment in female end portion, the shell fragment is the U type structure of an opening towards the jack direction, female end portion system of below at the shell fragment middle part has a backing sheet by preceding backward perk that makes progress, the place ahead upper end of backing sheet is the free end, contactless between backing sheet and the shell fragment when not inserting male terminal.
And the shell fragment includes tailboard, elbow structure and tailboard down, and the upper and lower both ends of elbow structure are connected with tailboard and tailboard down respectively, and the front portion system of going up the tailboard has the downward convex surface, and the front portion system of tailboard down has the bump of upwards arching, and the bump is the contact point of shell fragment and public end head.
And the end part of the lower tail end behind the salient point is provided with a guide folded plate which inclines downwards, so that the male terminal can be conveniently inserted and guided, and the resistance is reduced.
And the elastic sheet at the contact position of the front part of the upper tail plate and the male terminal is provided with a contact convex surface, and the width of the contact convex surface is larger than that of the salient point structure.
And the contact convex surface of the upper tail plate vertically corresponds to the upper and lower sides of the salient point of the lower tail plate in position, and the contact convex surface and the salient point simultaneously contact the upper and lower sides of the male terminal.
The male terminal comprises a male terminal head and a male terminal main body, the male terminal head is provided with a quadrangular prism square needle made of metal sheets, and the front end of the male terminal head is provided with a jack with a conical end convenient for being inserted into the female terminal; the rear end of the male end head is connected with the male end main body, a rectangular pyramid type transition structure is arranged between the male end head and the male end main body, and the outer diameter of the male end main body is larger than that of the male end head; a fracture is formed between the upper edge of the rectangular pyramid type transition structure and the male end main body, a male end pressing plate is arranged on the upper end face of the male end main body corresponding to the fracture, and inverted fins of the hanging structure are arranged at the tail of the male end main body.
Moreover, the head part of the female end above the elastic sheet is provided with a female end pressing plate which is tilted upwards, and the tail part of the female end pressing plate is provided with a reversed fin of a hanging structure.
Moreover, the installation process of the structure is as follows:
when the male terminal is not inserted into the female terminal, the elastic sheet in the female terminal is not in contact with the support sheet;
when the head of the male end is contacted with the elastic sheet in the process of inserting the male terminal into the female terminal, the lower tail end of the elastic sheet is stressed to move downwards;
and the elastic sheet is contacted with the support sheet along with the continuous insertion of the male terminal, at the moment, the support sheet is forced to deform downwards, meanwhile, a reaction force is formed on the elastic sheet, and the positive pressure of the elastic sheet on the male terminal is improved.
The invention has the beneficial effects that:
1. the support piece of this structure is little, and the rigidity is higher, can provide bigger positive pressure than current product, and the terminal is further lightweight, miniaturized.
2. Through tests, the positive pressure of the terminal of the structure is improved by about 11%, the insertion and extraction force of the terminal is basically consistent with that of the original structure, the design requirements of low insertion and extraction force and high positive pressure are met, and the problem that the positive pressure of the existing structure is insufficient is effectively solved.
Drawings
FIG. 1 is a top view of the overall structure in the plugged state;
FIG. 2 is an enlarged sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view of the portion of FIG. 2 during plugging;
FIG. 4 is a schematic cross-sectional view of the portion of FIG. 2 in an unconnected state;
FIG. 5 is a schematic partial cross-sectional illustration of a prior art plug-in;
fig. 6 is a schematic perspective view of the structure in the plugged state.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, which are illustrative only and not limiting, and the scope of the present invention is not limited thereby.
The utility model provides a terminal structure of automotive connector, includes female terminal 1 and male terminal 2, and the front end of female terminal is the relative grafting cooperation with the front end of male terminal, connects corresponding pencil.
The male terminal comprises a male terminal head part 2-1 and a male terminal main body 2-2, a quadrangular prism square needle made of a metal sheet at the male terminal head part is provided, and the front end of the male terminal head part is provided with a plug hole with a conical end 2-4 for being conveniently inserted into the female terminal; the male end head is connected with the male end main body, a rectangular pyramid type transition structure 2-3 is arranged between the male end head and the male end main body, and the outer diameter of the male end main body is larger than that of the male end head; a fracture is formed between the upper edge of the rectangular pyramid type transition structure and the male end main body, a male end pressing plate 2-5 is formed on the upper end face of the male end main body corresponding to the fracture, and inverted fins of the hanging structure are formed at the tail part of the male end main body.
The female terminal comprises a female end head part 1-4 and a female end main body 1-7, the female end head part is coaxially connected with the female end main body, the female end head part 1-4 is of a hollow quadrangular prism structure, the center of the front end of the female end head part 1-4 is provided with an insertion hole matched with the male end head part 2-1, and the female end head part on the periphery of the insertion hole is provided with a curled edge; the head of the female end is internally provided with a spring plate which is a U-shaped structure with an opening facing to the direction of the jack and consists of an upper tail plate 1-3, an elbow structure 1-8 and a lower tail plate 1-5, the upper end and the lower end of the elbow structure 1-8 are respectively connected with the upper tail plate and the lower tail plate, the front part of the upper tail plate 1-3 is provided with a guide convex surface 1-2 which is contacted with the head of the male end, the front part of the lower tail plate 1-5 is provided with an upwards arched salient point 1-10 which is a contact point of the spring plate and the head of the male end, and the end part of the lower tail plate in front of the salient point is provided with a guide folded plate 1-9 which inclines downwards so as to guide;
the head of the female end below the middle part of the elastic sheet is provided with a support sheet 1-6 which is tilted upwards, the support sheet plays a role in increasing the upward pressure of the elastic sheet below the elastic sheet, the tilt direction of the support sheet is from front to back, the upper end of the back of the support sheet is a free end, and the support sheet is not in contact with the elastic sheet when the male terminal is not inserted, as shown in the attached figure 4.
The width of the guide convex surface 1-2 is larger than that of a convex point structure of the existing product structure, the guide sliding property is better, the friction coefficient of a contact surface is smaller, and the male terminal plugging force can be reduced under the condition that the positive pressure is not changed;
the guide convex surface of the upper tail plate vertically corresponds to the upper and lower convex points of the lower tail plate and simultaneously contacts the upper and lower sides of the head of the male end.
The head of the female end above the elastic sheet is provided with a female end pressing plate 1-1 which is tilted upwards and can control the deformation of the head of the female end, and the tail of the main body of the female end is provided with a reversed fin of a hanging structure.
The installation process of this structure:
as shown in fig. 3, when the male terminal is not inserted into the female terminal, there is no contact between the elastic sheet and the support sheet in the female terminal;
as shown in fig. 4, in the process of inserting the male terminal into the female terminal, the head of the male terminal is contacted with the elastic sheet, the upper edge of the head of the male terminal is contacted with the guide convex surface 1-2 of the elastic sheet, the lower edge of the head of the male terminal is contacted with the salient point 1-10, the lower tail plate 1-5 of the elastic sheet is stressed to move downwards, and the inserting force is smaller at the moment because the elastic sheet is not contacted with the support sheet at the beginning;
and the elastic sheet is contacted with the supporting sheet along with the continuous insertion of the male terminal, at the moment, the supporting sheet is forced to deform downwards, and a reaction force is formed on the elastic sheet at the same time, so that the positive pressure of the elastic sheet on the male terminal is improved, the insertion force of the male terminal is not increased until the male terminal is inserted in place, and the state shown in the figure 2 is reached.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore the scope of the invention is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (8)
1. The utility model provides a vehicle connector's terminal structure, includes female terminal and male terminal, the front end of female terminal and the front end of male terminal are the cooperation of pegging graft relatively, its characterized in that: female terminal includes female end portion and female end main part, female end portion and female end main part coaxial coupling, female end portion is hollow quadrangular prism structure, the front end center system of female end portion has the jack with public terminal complex, system has the shell fragment structure in female end portion, the shell fragment is the U type structure of an opening towards the jack direction, female end portion system of below at the shell fragment middle part has a backing sheet by preceding backward perk, the place ahead upper end of backing sheet is the free end, contactless between backing sheet and the shell fragment when not inserting public terminal.
2. The terminal structure of an automobile connector according to claim 1, wherein: the shell fragment includes tailboard, elbow structure and tailboard down, and the upper and lower both ends of elbow structure are connected with tailboard and tailboard down respectively, and the front portion system of going up the tailboard has a downward convex surface, and the front portion system of tailboard down has the bump of upwards arching.
3. The terminal structure of the automobile connector according to claim 2, characterized in that: the lower tail end part in front of the salient point is provided with a guide folded plate which inclines downwards, so that the male terminal can be conveniently inserted and guided, and the resistance is reduced.
4. The terminal structure of the automobile connector according to claim 2, characterized in that: the elastic sheet at the contact position of the front part of the upper tail plate and the male terminal is provided with a contact convex surface, and the width of the convex surface is larger than that of the salient point structure.
5. The terminal structure of the automobile connector according to claim 2, characterized in that: the contact convex surface of the upper tail plate vertically corresponds to the upper and lower sides of the salient point of the lower tail plate, and the contact convex surface and the salient point simultaneously contact the upper and lower sides of the head of the male terminal.
6. The terminal structure of an automobile connector according to claim 1, characterized in that: the male terminal comprises a male terminal head part and a male terminal main body, a quadrangular prism square needle made of a metal sheet at the male terminal head part is provided, and the front end of the male terminal head part is provided with a jack with a conical end convenient for being inserted into the female terminal; the rear end of the male end head is connected with the male end main body, a rectangular pyramid type transition structure is arranged between the male end head and the male end main body, and the outer diameter of the male end main body is larger than that of the male end head; a fracture is formed between the upper edge of the rectangular pyramid type transition structure and the male end main body, a male end pressing plate is arranged on the upper end face of the male end main body corresponding to the fracture, and inverted fins of the hanging structure are arranged at the tail part of the male end main body.
7. The terminal structure of an automobile connector according to claim 1, wherein: the head of the female end above the elastic sheet is provided with a female end pressing plate, and the tail of the female end main body is provided with an inverted fin of a hanging structure.
8. The terminal structure of an automobile connector according to claim 1, characterized in that: the installation process of this structure:
when the male terminal is not inserted into the female terminal, the elastic sheet in the female terminal is not in contact with the support sheet;
when the head of the male end is contacted with the elastic sheet in the process of inserting the male terminal into the female terminal, the lower tail end of the elastic sheet is stressed to move downwards;
and the elastic sheet is contacted with the supporting sheet along with the continuous insertion of the male terminal, the supporting sheet is forced to deform downwards at the moment, meanwhile, a simple support beam reaction force is formed on the elastic sheet, the positive contact pressure of the elastic sheet on the male terminal is improved, and the insertion force of the male terminal is not increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110034877.2A CN112864668A (en) | 2021-01-12 | 2021-01-12 | Terminal structure of automobile connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110034877.2A CN112864668A (en) | 2021-01-12 | 2021-01-12 | Terminal structure of automobile connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112864668A true CN112864668A (en) | 2021-05-28 |
Family
ID=76002719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110034877.2A Pending CN112864668A (en) | 2021-01-12 | 2021-01-12 | Terminal structure of automobile connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112864668A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998029924A1 (en) * | 1996-12-27 | 1998-07-09 | The Whitaker Corporation | Electrical contact |
| JP2001250624A (en) * | 2000-03-02 | 2001-09-14 | Sumitomo Wiring Syst Ltd | Female side terminal metal fitting |
| CN104425941A (en) * | 2013-08-26 | 2015-03-18 | 第一精工株式会社 | Connector terminal and method of fabricating the same |
| CN106207549A (en) * | 2016-07-29 | 2016-12-07 | 安徽江淮汽车股份有限公司 | A kind of automotive wire bundle terminal and mounting structure thereof |
| CN107275841A (en) * | 2017-07-18 | 2017-10-20 | 河南天海电器有限公司 | Automobile bonder terminal |
| US20180034179A1 (en) * | 2016-08-01 | 2018-02-01 | Japan Aviation Electronics Industry, Limited | Female terminal and connector including female terminal |
| CN207517937U (en) * | 2017-12-13 | 2018-06-19 | 深圳市汇联电气有限公司 | A kind of bonder terminal |
| CN213753150U (en) * | 2021-01-12 | 2021-07-20 | 上海昆文连接器系统有限公司 | Terminal structure of automobile connector |
-
2021
- 2021-01-12 CN CN202110034877.2A patent/CN112864668A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998029924A1 (en) * | 1996-12-27 | 1998-07-09 | The Whitaker Corporation | Electrical contact |
| JP2001250624A (en) * | 2000-03-02 | 2001-09-14 | Sumitomo Wiring Syst Ltd | Female side terminal metal fitting |
| CN104425941A (en) * | 2013-08-26 | 2015-03-18 | 第一精工株式会社 | Connector terminal and method of fabricating the same |
| CN106207549A (en) * | 2016-07-29 | 2016-12-07 | 安徽江淮汽车股份有限公司 | A kind of automotive wire bundle terminal and mounting structure thereof |
| US20180034179A1 (en) * | 2016-08-01 | 2018-02-01 | Japan Aviation Electronics Industry, Limited | Female terminal and connector including female terminal |
| CN107275841A (en) * | 2017-07-18 | 2017-10-20 | 河南天海电器有限公司 | Automobile bonder terminal |
| CN207517937U (en) * | 2017-12-13 | 2018-06-19 | 深圳市汇联电气有限公司 | A kind of bonder terminal |
| CN213753150U (en) * | 2021-01-12 | 2021-07-20 | 上海昆文连接器系统有限公司 | Terminal structure of automobile connector |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20210528 |