CN213753150U - Terminal structure of automobile connector - Google Patents
Terminal structure of automobile connector Download PDFInfo
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- CN213753150U CN213753150U CN202120069635.2U CN202120069635U CN213753150U CN 213753150 U CN213753150 U CN 213753150U CN 202120069635 U CN202120069635 U CN 202120069635U CN 213753150 U CN213753150 U CN 213753150U
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Abstract
The utility model relates to a terminal structure of automobile connector, including female terminal and male terminal, the front end of female terminal is the cooperation of pegging graft relatively with the front end of male terminal, 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, female end portion system has the shell fragment, the shell fragment is the U type structure of an opening towards the jack direction, female end portion system below the shell fragment middle part has one by the preceding backing sheet that upwards perks backward, the rear upper end of backing sheet is the free end, contactless between backing sheet and the shell fragment when not inserting male terminal. 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 utility model belongs to the auto-parts field, especially a terminal structure of automotive 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.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned weak point, provide a terminal structure of car connector of low plug power, high normal pressure.
In order to realize the purpose, the utility model 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.
The utility model has the advantages 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, not restrictive, and the scope of the invention should not be limited thereto.
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 male terminal to be inserted and reduce resistance;
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 present invention and the appended claims, and therefore, the scope of the present invention is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (7)
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120069635.2U CN213753150U (en) | 2021-01-12 | 2021-01-12 | Terminal structure of automobile connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120069635.2U CN213753150U (en) | 2021-01-12 | 2021-01-12 | Terminal structure of automobile connector |
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| Publication Number | Publication Date |
|---|---|
| CN213753150U true CN213753150U (en) | 2021-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120069635.2U Active CN213753150U (en) | 2021-01-12 | 2021-01-12 | Terminal structure of automobile connector |
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| CN (1) | CN213753150U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112864668A (en) * | 2021-01-12 | 2021-05-28 | 上海昆文连接器系统有限公司 | Terminal structure of automobile connector |
| CN114171956A (en) * | 2021-11-26 | 2022-03-11 | 北京海博思创科技股份有限公司 | Trade electric connector and electric automobile |
-
2021
- 2021-01-12 CN CN202120069635.2U patent/CN213753150U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112864668A (en) * | 2021-01-12 | 2021-05-28 | 上海昆文连接器系统有限公司 | Terminal structure of automobile connector |
| CN114171956A (en) * | 2021-11-26 | 2022-03-11 | 北京海博思创科技股份有限公司 | Trade electric connector and electric automobile |
| CN114171956B (en) * | 2021-11-26 | 2023-07-04 | 北京海博思创科技股份有限公司 | Trade electric connector and electric automobile |
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