CN212462131U - Safe firm type heavy current electric connector - Google Patents
Safe firm type heavy current electric connector Download PDFInfo
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- CN212462131U CN212462131U CN202020501751.2U CN202020501751U CN212462131U CN 212462131 U CN212462131 U CN 212462131U CN 202020501751 U CN202020501751 U CN 202020501751U CN 212462131 U CN212462131 U CN 212462131U
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- terminal
- female seat
- conical insertion
- male head
- cavity
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Abstract
The utility model discloses a safe and stable heavy current electric connector, which comprises a female seat and a male head; the female seat comprises a female seat body and a female seat terminal, and the male head comprises a male head body and a male head terminal; the front end surface of the female seat terminal is concavely provided with a conical insertion cavity backwards; the front end of public first terminal has one and the toper is planted the chamber cooperation and is to inserting the toper grafting portion of being connected, plant the chamber cooperation through utilizing toper grafting portion and toper and to inserting, form the structure that has the inclination, can increase the cross-sectional area that the electric current passes through, the terminal can cross bigger electric current, simultaneously because the inseparable cooperation of inclination, the temperature rise coefficient has effectively been reduced, and the inclined plane structure makes public first terminal and female seat terminal keep away the sky completely before formal contact, avoid producing friction spark easily in the insertion process, the potential safety hazard has been stopped, furthermore, it is spacing through utilizing ball and draw-in groove cooperation locking, it deviates from easily to have avoided toper grafting portion, make public first terminal and female seat terminal connection more reliable and stable.
Description
Technical Field
The utility model belongs to the technical field of the plug connector technique and specifically relates to indicate a safe firm type heavy current electric connector.
Background
The electric connection plug connector is an electronic device generally used for charging electronic products or various electric equipment, and the electric equipment needing electricity in life can not be used. The electric connection plug connector in the prior art generally comprises a female seat and a male head, one is connected with a power supply device, the other is connected with a charging device, the traditional electric connection plug connector is connected with the female seat through a plug, and the female seat and the male head are connected through a plug frequently. Its grafting portion of present electric connection plug connector and the chamber of planting adopt straight face plug structure, and the grafting portion of connecting the plug connector promptly at present and the chamber of planting is cylindrical for the cross-sectional area that the electric current passes through is less, can not satisfy the requirement that the heavy current passes through, and straight face plug structure is difficult to make the outer wall of grafting portion and the inner wall of the chamber of planting form closely cooperating, and the temperature rise coefficient is high, produces friction spark easily at the insertion process simultaneously, has the potential safety hazard. Therefore, there is a need for improvements in current electrical connectors.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a safe and stable high current electrical connector, which can effectively solve the problem that the current electrical connector cannot satisfy the requirement of passing high current, has high temperature rise coefficient and is easy to generate friction spark.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a safe and stable high-current electric connector comprises a female socket and a male head which are matched with each other and inserted in an opposite way; the female seat comprises a female seat body and a female seat terminal fixed in the female seat body, and the male head comprises a male head body and a male head terminal fixed in the male head body;
the front end face of the female seat terminal is concavely provided with a conical insertion cavity backwards, the inner diameter of the conical insertion cavity is gradually reduced from front to back, the inner wall of the front end of the conical insertion cavity is provided with a through hole, the outer side face of the front end of the female seat terminal is concavely provided with an accommodating cavity communicated with the through hole, balls are placed in the accommodating cavity, the outer diameter of each ball is larger than the aperture of the through hole, the balls are in contact with the female seat body, and the balls partially extend into the conical insertion cavity through the through holes;
the front end of the male terminal is provided with a conical insertion part which is matched and oppositely inserted and connected with the conical insertion cavity, the outer wall surface of the conical insertion part is contacted with the inner wall of the conical insertion cavity, and the outer side surface of the conical insertion part is concavely provided with a clamping groove for clamping and locking the ball to limit.
Preferably, the tapered plug portion is of a solid structure.
Preferably, an air reserved space is formed between the front end of the conical insertion part and the rear end of the conical insertion cavity.
Preferably, the air reserved space is located at the rear end of the conical insertion cavity, and the front end face of the conical insertion part is a closed face.
As a preferred scheme, the through holes are arranged in a plurality of circumferential intervals, the corresponding accommodating cavities are also arranged in a plurality of circumferential intervals, each accommodating cavity is respectively communicated with the corresponding through hole, and each accommodating cavity is internally provided with a ball.
As a preferred scheme, partial plastic of the female seat body is filled in the accommodating cavity and is fixedly embedded and formed with the ball.
Preferably, an annular fixing groove is concavely formed on an outer side surface of the rear end of the female socket terminal, and the annular fixing groove is embedded in the female socket body.
Preferably, the rear end side of the male terminal is recessed with a fixing hole, and the fixing hole is buried in the male body.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:
one, through utilizing toper grafting portion and toper to plant the chamber cooperation and to inserting, form the structure that has the inclination, can increase the cross-sectional area that the electric current passes through, the terminal can be too big electric current, simultaneously because the inseparable cooperation of inclination, the temperature rise coefficient has effectively been reduced, and the inclined plane structure makes public first terminal and female seat terminal keep away the sky completely before formal contact, avoid producing the friction spark easily in inserting the in-process, the potential safety hazard has been stopped, in addition, it is spacing through utilizing ball and draw-in groove cooperation locking, it is easy to deviate from to have avoided toper grafting portion, make public first terminal and female seat terminal connection more reliable and stable.
And secondly, an air reserved space is formed between the front end of the conical insertion part and the rear end of the conical insertion cavity, redundant air can be stored by utilizing the air reserved space in the process of inserting the conical insertion part, the plugging of the male terminal and the female terminal is facilitated, and the plugging is easier.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a cross-sectional view of the female housing and the male plug in a non-mated state according to the preferred embodiment of the present invention;
fig. 2 is a cross-sectional view of the female socket and the male plug after being inserted into each other according to the preferred embodiment of the present invention.
The attached drawings indicate the following:
10. female seat 11, female seat body
12. Female socket terminal 13, ball
101. Tapered insertion cavity 102, through hole
103. Accommodating cavity 104 and annular fixing groove
105. Air reserved space 20 and male head
21. Male head body 22 and male head terminal
201. Tapered plug-in part 202 and clamping groove
203. And (7) fixing holes.
Detailed Description
Referring to fig. 1 and 2, a detailed structure of a preferred embodiment of the present invention is shown, which includes a female socket 10 and a male head 20 that are engaged with each other.
The female seat 10 comprises a female seat body 11 and a female seat terminal 12 fixed in the female seat body 11, wherein the front end surface of the female seat terminal 12 is concavely provided with a conical insertion cavity 101 towards the back, the inner diameter of the conical insertion cavity 101 is gradually reduced from front to back, the inner wall of the front end of the conical insertion cavity 101 is provided with a through hole 102, the outer side surface of the front end of the female seat terminal 12 is concavely provided with an accommodating cavity 103 communicated with the through hole 102, a ball 13 is placed in the accommodating cavity 103, the outer diameter of the ball 13 is larger than the aperture of the through hole 102, the ball 13 is in contact with the female seat body 11, and the ball 13 partially extends into the conical insertion cavity 101 through the through hole 102; in this embodiment, an annular fixing groove 104 is concavely formed on an outer side surface of the rear end of the female socket terminal 12, and the annular fixing groove 104 is embedded in the female socket body 11, so that the female socket terminal 12 and the female socket body 11 are combined more firmly and reliably; the through holes 102 are arranged at intervals on the circumference, the corresponding accommodating cavities 103 are also arranged at intervals, each accommodating cavity 103 is respectively communicated with the corresponding through hole 102, a ball 13 is arranged in each accommodating cavity 103, and part of plastic of the female seat body 11 is filled in the accommodating cavity 103 and is embedded, molded and fixed with the ball 13; and the front end surface of the female socket terminal 12 is flush with the front end surface of the female socket body 11, and the wall thickness of the female socket terminal 12 is gradually increased from front to back.
The male head 20 comprises a male head body 21 and a male head terminal 22 fixed in the male head body 21, the front end of the male head terminal 22 is provided with a conical insertion part 201 which is matched with the conical insertion cavity 101 and is in opposite insertion connection, the outer wall surface of the conical insertion part 201 is contacted with the inner wall of the conical insertion cavity 101, and the outer side surface of the conical insertion part 201 is concavely provided with a clamping groove 202 for the ball 13 to be clamped and locked for limiting. In this embodiment, the rear end side of the male terminal 22 is concavely provided with a fixing hole 203, and the fixing hole 203 is buried in the male body 21, so that the male terminal 22 and the male body 21 are combined more firmly and reliably; the conical insertion part 201 is of a solid structure, and the conical insertion part 201 can protrude forwards out of the front end face of the male head body 21 through larger current; air reserved space 105 is formed between the front end of conical insertion part 201 and the rear end of conical insertion cavity 101, in this embodiment, air reserved space 105 is located the rear end of conical insertion cavity 101, and the front end face of this conical insertion part 201 is the closed surface, and of course, air reserved space 105 also can be set up in the front end face of conical insertion part 201 backward concave and form, not for the limit, through forming air reserved space 105, at the male in-process, utilize air reserved space 105 to store unnecessary air, do benefit to the plug of male terminal 22 and female seat terminal 12.
Detailed description the working principle of the present embodiment is as follows:
when in use, the female socket terminal 12 and the male terminal 22 are respectively connected with corresponding external lines.
When the male terminal 22 is connected with the female socket terminal 12 in an opposite-inserting manner, the conical insertion part 201 is inserted into the conical insertion cavity 101, in the insertion process, the outer wall surface of the conical insertion part 201 is not contacted with the inner wall surface of the conical insertion cavity 101, so that friction sparks are effectively avoided, when the male terminal is inserted in place, the conical insertion part 201 forces the balls 13 to radially and outwardly withdraw, the female socket body 11 is plastic and has certain elasticity, and a withdrawing space is formed by extruding the balls 13, so that the conical insertion part 201 of the male terminal 22 can be conveniently inserted and tightly contacted with the female socket terminal 12, when the balls 13 reach the position of the clamping groove 202, the balls 13 rebound to enter the position of the clamping groove 202 by utilizing the elastic force of the plastic, so that the clamping action is completed, and at the moment, the male terminal is inserted in place, and the outer wall surface of the conical insertion part 201 is tightly contacted with the inner.
When the male terminal 22 needs to be separated from the female terminal 12, two hands respectively grasp the female body 11 and the male body 21 and respectively exert a certain action in opposite directions, so that the balls 13 are separated from the slots 202, and the tapered insertion part 201 can be pulled out from the tapered insertion cavity 101, thereby completing the separation of the male terminal 22 from the female terminal 12.
The utility model discloses a design focus lies in: first, through utilizing toper grafting portion and toper to plant the chamber cooperation and to inserting, form the structure that has the inclination, can increase the cross-sectional area that the electric current passes through, the terminal can be the bigger electric current of crossing, simultaneously because the inseparable cooperation of inclination, the temperature rise coefficient has effectively been reduced, and the inclined plane structure makes public first terminal and female seat terminal keep away the sky completely before formal contact, avoid producing the friction spark easily in the insertion process, the potential safety hazard has been stopped, in addition, it is spacing through utilizing ball and draw-in groove cooperation locking, it is easy to deviate from to have avoided toper grafting portion, make public first terminal and female seat terminal connection more reliable and stable. Secondly, through forming the air headspace between the front end of toper grafting portion and the rear end of toper plug-in chamber, at toper grafting portion male in-process, utilize the air headspace can store unnecessary air, do benefit to the plug of public first terminal and female seat terminal, make the plug easier.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (8)
1. A safe and stable high-current electric connector comprises a female socket and a male head which are matched with each other and inserted in an opposite way; the female seat comprises a female seat body and a female seat terminal fixed in the female seat body, and the male head comprises a male head body and a male head terminal fixed in the male head body; the method is characterized in that:
the front end face of the female seat terminal is concavely provided with a conical insertion cavity backwards, the inner diameter of the conical insertion cavity is gradually reduced from front to back, the inner wall of the front end of the conical insertion cavity is provided with a through hole, the outer side face of the front end of the female seat terminal is concavely provided with an accommodating cavity communicated with the through hole, balls are placed in the accommodating cavity, the outer diameter of each ball is larger than the aperture of the through hole, the balls are in contact with the female seat body, and the balls partially extend into the conical insertion cavity through the through holes;
the front end of the male terminal is provided with a conical insertion part which is matched and oppositely inserted and connected with the conical insertion cavity, the outer wall surface of the conical insertion part is contacted with the inner wall of the conical insertion cavity, and the outer side surface of the conical insertion part is concavely provided with a clamping groove for clamping and locking the ball to limit.
2. A secure robust high current electrical connector according to claim 1, wherein: the conical insertion part is of a solid structure.
3. A secure robust high current electrical connector according to claim 1, wherein: an air reserved space is formed between the front end of the conical insertion part and the rear end of the conical insertion cavity.
4. A secure, robust high current electrical connector as in claim 3 wherein: the air reserved space is positioned at the rear end of the conical insertion cavity, and the front end face of the conical insertion part is a closed face.
5. A secure robust high current electrical connector according to claim 1, wherein: the through holes are arranged in a plurality of circumferential intervals, the corresponding accommodating cavities are also arranged in a plurality of numbers, each accommodating cavity is respectively communicated with the corresponding through hole, and a ball is arranged in each accommodating cavity.
6. A secure robust high current electrical connector according to claim 1, wherein: part of plastic of the female seat body is filled into the accommodating cavity and is embedded, molded and fixed with the ball.
7. A secure robust high current electrical connector according to claim 1, wherein: the outer side surface of the rear end of the female seat terminal is concavely provided with an annular fixing groove, and the annular fixing groove is embedded in the female seat body.
8. A secure robust high current electrical connector according to claim 1, wherein: the rear end side face of the male terminal is concavely provided with a fixing hole, and the fixing hole is buried in the male body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020501751.2U CN212462131U (en) | 2020-04-08 | 2020-04-08 | Safe firm type heavy current electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020501751.2U CN212462131U (en) | 2020-04-08 | 2020-04-08 | Safe firm type heavy current electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212462131U true CN212462131U (en) | 2021-02-02 |
Family
ID=74472115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020501751.2U Active CN212462131U (en) | 2020-04-08 | 2020-04-08 | Safe firm type heavy current electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212462131U (en) |
-
2020
- 2020-04-08 CN CN202020501751.2U patent/CN212462131U/en active Active
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