CN218160902U - Pin assembly of Type-C8P female seat - Google Patents

Abstract

The utility model provides a contact pin assembly of a Type-C8P female seat, which comprises an injection molded rubber core, and a first contact pin, a second contact pin and a third contact pin which are embedded in the rubber core by injection molding; the end part of the second contact pin is provided with a first terminal, a second terminal and a third terminal which are integrally punched and formed, and the end part of the second terminal is bent to form an upper contact part and a lower contact part which are parallel; the second terminal is also provided with a punching part for disconnecting the second contact pin; the rubber core is provided with a punching processing opening used for exposing the punching part; the current situation that the number of pins is increased more after DN and DP ends are added on the existing 8P female connector, and the process is complex, the processing efficiency is low and the reliability is poor when the pins and the rubber core are integrally injection-molded is improved.

Description

Pin assembly of Type-C8P female seat

Technical Field

The utility model relates to a connector field, concretely relates to contact pin subassembly of female seat of Type-C8P.

Background

The number of copper terminals of a standard Type-c connector is 24, 12 are distributed on the tongue part of the insulating body of the connector, 12 are distributed under the tongue part of the insulating body, and 24 copper terminals are arranged in the Type-c connector. For the connector which only needs to realize the charging function, the two VBUS ends and the two GND ends are arranged according to a standard protocol, so that the connector can be conveniently injection-molded with the insulating body, the situation that excessive terminal idle functions are adopted can be avoided, and when functional signal transmission is needed, DN and DP ends are generally added on the basis of the conductive terminals, so that an 8P connecting structure is formed.

For example, a Type-c-8P waterproof connector is disclosed in Chinese patent CN217361962U, two DN ends and two DP ends are added on the basis of having a charging function and are respectively arranged on the upper surface and the lower surface of a rubber tongue part to form four independent terminals which are distributed up and down, and the four independent terminals need to be formed independently when being processed and formed and are positioned when being injection-molded with a rubber core; therefore, the terminals are of independent structures, and need to be positioned during integral injection molding processing, so that the whole structure forming structure is complex in process, and the manufacturing efficiency and the reliability are reduced.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a contact pin subassembly of female seat of Type-C8P has solved and has increased DN, DP end back pin increase in quantity more on the current female seat connector of 8P, causes and to cause the process complicated with gluey core an organic whole injection moulding man-hour, machining efficiency hangs down and the relatively poor problem of reliability.

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

a contact pin assembly of a Type-C8P female seat comprises a rubber core formed by injection molding, and a first contact pin, a second contact pin and a third contact pin which are embedded in the rubber core by injection molding;

the end part of the second contact pin is provided with a first terminal, a second terminal and a third terminal which are integrally punched and formed, and the end part of the second terminal is bent to form an upper contact part and a lower contact part which are parallel;

the second terminal is also provided with a punching part for disconnecting the second contact pin;

and the rubber core is provided with a punching processing opening for exposing the punching part.

Preferably, a fourth terminal formed by stamping is arranged at the end part of the first contact pin;

and the end part of the third contact pin is provided with a fifth terminal formed by punching.

Preferably, the first terminal and the third terminal are both VBUS terminals for supplying power;

the fourth terminal and the fifth terminal are both GND terminals and are used for grounding;

and the second terminals are DP1, DN1, DP2 and DN2 ends and are used for transmitting signals.

Preferably, the rubber core is provided with a rubber tongue part for inserting a matching male head;

and the positioning step is used for positioning and fixing the metal shell, and the positioning step is provided with symmetrical limiting clamping grooves.

Preferably, the first terminal, the fourth terminal, and the lower contact portion are exposed to one side surface of the tongue portion;

the third terminal, the fifth terminal and the upper contact part are exposed out of the other side surface of the tongue part.

Preferably, the scratch-resistant abutting strips are embedded at two side ends of the tongue portion.

Compared with the prior art, the utility model discloses following beneficial effect has:

the end part of the second terminal is bent to form an upper contact part and a lower contact part which are parallel, the second terminal, the first terminal and the third terminal are integrally formed into a second contact pin in a punch forming mode, the positioning effect on the second terminal can be reduced when the second terminal and the rubber core are subjected to injection molding, and the method can be carried out in the same way as the existing injection molding process;

meanwhile, the second terminal is provided with the punching part, and the rubber core is provided with the punching processing opening, so that the punching part can be punched through the punching processing opening after the injection molding is finished, the second terminal is separated from the second contact pin, and the conduction is avoided;

therefore, DN and DP end connection can be increased through the second terminal, and the structure can realize the function of keeping contact during plugging; and can also guarantee to reduce the location to the terminal in the course of the injection molding process, improve and mould plastics and connect the reliability, reduce the processing degree of difficulty, raise the machining efficiency.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view illustrating a structure in which the die-cut portion of the second terminal is not disconnected in the embodiment of the present invention;

fig. 3 is a schematic structural view illustrating a structure in which the die-cut portion of the second terminal is disconnected according to an embodiment of the present invention;

fig. 4 is a schematic structural view illustrating a stamping forming structure of the first pin, the second pin and the third pin according to the embodiment of the present invention;

fig. 5 is a schematic view of each terminal pin position in the embodiment of the present invention;

in the figure, the position of the upper end of the main shaft,

the rubber core comprises a rubber core 1, a first pin 2, a second pin 3, a third pin 4, a first terminal 5, a second terminal 6, a third terminal 7, an upper contact portion 8, a lower contact portion 9, a punching portion 10, a punching processing opening 11, a fourth terminal 12, a fifth terminal 13, a tongue portion 14, a positioning step 15, a limiting clamping groove 16 and a scratch-resistant abutting strip 17.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

As shown in fig. 1-5, an embodiment of the present invention provides a pin assembly of a Type-C8P female socket, including an injection molded rubber core 1 and a first pin 2, a second pin 3 and a third pin 4 embedded in the rubber core 1 by injection molding, wherein a first terminal 5, a second terminal 6 and a third terminal 7 formed by integral punch forming are disposed at an end of the second pin 3, an end of the second terminal 6 is bent backwards to form an upper contact portion 8 and a lower contact portion 9 which are parallel, and the bent backwards portion forms the upper contact portion 8;

when the upper contact portion 8 forms A6 and A7 of the Type-C female socket; the lower contact part 9 forms B6 and B7 of the Type-C female socket;

when the lower contact 9 forms A6 and A7 of the Type-C female socket; the upper contact part 8 forms B6 and B7 of a Type-C female socket;

in the structure, 8 end points A9, B9, A12, B12, A6, A7, B6 and B7 can be subjected to punch forming by using a copper plate to form an integral structure before the rubber core is injected and molded.

Meanwhile, after the second terminal 6 and the second contact pin 3 are integrally formed, the functional terminal can be conveniently added and injection molding processing and forming can be carried out in the existing injection molding positioning mode, the positioning points required after the terminal is added are reduced, and therefore the injection molding reliability and the structural stability can be improved; the newly-added second terminal 6 is integrally connected with the second contact pin 3 during injection molding processing, and needs to be separated during actual use to avoid conduction, so that a punching part 10 for disconnecting the second contact pin 3 is further arranged on the second terminal 6, and a punching processing opening 11 for exposing the punching part 10 is formed in the rubber core 1; after the integral injection molding, the punching portion 10 is punched through the punching processing port 11 to disconnect the second terminal 6 from the second pin 3, and the upper contact portion 8 and the lower contact portion 9 are connected to the corresponding male connecting portions respectively, so that the communication function is increased.

Specifically, a fourth terminal 12 formed by stamping is arranged at the end of the first contact pin 2, and a fifth terminal 13 formed by stamping is arranged at the end of the third contact pin 4; the first terminal 5 and the third terminal 7 are both VBUS terminals and are used for supplying power, the fourth terminal 12 and the fifth terminal 13 are both GND terminals and are used for grounding, and the second terminal 6 is a DP1 terminal, a DN1 terminal, a DP2 terminal and a DN2 terminal and is used for transmitting signals; according to the Type-C protocol, the first terminal 5 is A9, the third terminal 7 is B9, the fourth terminal 12 is A12, the fifth terminal 13 is B12, and the second terminal 6 is conducted A6, A7, B6 and B7; from this, can satisfy the public first cooperation of pegging graft of standard Type-C of agreement and use.

Specifically, be equipped with on the rubber core 1 and be used for coordinating public first male rubber tongue portion 14 to and be equipped with the location step 15 that is used for fixing a position fixed metal-back, be equipped with symmetrical spacing draw-in groove 16 on the location step 15, spacing draw-in groove 16 is used for realizing spacing the connection to the anticreep buckle on the metal-back.

Wherein the first terminal 5, the fourth terminal 12 and the lower contact portion 9 are exposed on one side surface of the tab portion 14, and the third terminal 7, the fifth terminal 13 and the upper contact portion 8 are exposed on the other side surface of the tab portion 14; therefore, the corresponding side faces form the corresponding power supply end and the corresponding grounding end, and the conductive connection is conveniently realized by matching with a male connector; and the upper contact part 8 and the lower contact part 9 of the second terminal 6 are conducted, so that the male connector can be ensured to be kept in a connected state after being inserted, and monitoring and transmission of functional signals such as temperature detection and the like are realized.

The use case of temperature detection takes a K-type temperature sensor as an example:

when applying the female seat of the technical scheme of this patent on the razor:

one end of the positive pole of the K-type temperature sensor is connected with a male plug A6, and the other end of the positive pole of the K-type temperature sensor is connected with a temperature controller;

one end of a K-type temperature sensor pole is connected with a male plug A7, and the other end of the K-type temperature sensor pole is connected with a temperature controller;

when the male plug is connected to the female socket, A6 and A7 of the male plug are connected with the upper contact part 8 or the lower contact part 9 to form a short-circuit point of a plus pole and a minus pole of the K-type temperature sensor, namely a temperature measuring point of the temperature sensor, so that when the temperature of the female socket rises, the temperature controller can test whether the temperature is abnormal or not. Specifically, in order to improve the pulling and inserting wear-resistant effect of the tongue portion 14, the scratch-resistant abutting strips 17 are embedded at the two side ends of the tongue portion 14, so that the structural stability after repeated use for a plurality of times is improved.

In the description of the present invention, it should be understood that the terms indicating the orientation or the positional relationship are based on the orientation or the positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, and are only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element indicated must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Finally, it is noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims (6)

1. The utility model provides a contact pin subassembly of female seat of Type-C8P, its characterized in that: the device comprises a rubber core (1) formed by injection molding, and a first contact pin (2), a second contact pin (3) and a third contact pin (4) which are embedded in the rubber core (1) by injection molding;

the end part of the second pin (3) is provided with a first terminal (5), a second terminal (6) and a third terminal (7) which are integrally formed in a punching mode, the end part of the second terminal (6) is bent backwards to form an upper contact part (8) and a lower contact part (9) which are parallel, and the part bent backwards forms the upper contact part (8);

the second terminal (6) is also provided with a punching part (10) for disconnecting the second contact pin (3);

the rubber core (1) is provided with a punching processing opening (11) used for exposing the punching part (10).

2. The pin assembly of a Type-C8P female socket according to claim 1, wherein: the end part of the first contact pin (2) is provided with a fourth terminal (12) formed by stamping;

and the end part of the third pin (4) is provided with a fifth terminal (13) formed by stamping.

3. The pin assembly of a Type-C8P female socket according to claim 2, wherein: the first terminal (5) and the third terminal (7) are both VBUS terminals and are used for supplying power;

the fourth terminal (12) and the fifth terminal (13) are both GND terminals and are used for grounding;

the second terminal (6) is a DP1 end, a DN1 end, a DP2 end and a DN2 end and is used for transmitting signals.

4. The pin assembly of the female seat of Type-C8P of claim 2 or 3, wherein: the rubber core (1) is provided with a rubber tongue part (14) which is used for being inserted by matching with a male head;

and a positioning step (15) for positioning and fixing the metal shell is arranged, and symmetrical limiting clamping grooves (16) are formed in the positioning step (15).

5. The pin assembly of a Type-C8P female socket according to claim 4, wherein: the first terminal (5), the fourth terminal (12) and the lower contact part (9) are exposed out of one side surface of the tongue part (14);

the third terminal (7), the fifth terminal (13) and the upper contact part (8) are exposed out of the other side surface of the tongue part (14).

6. The pin assembly of a Type-C8P female socket according to claim 5, wherein: and scraping-resistant abutting strips (17) are embedded at two side ends of the tongue-shaped rubber part (14).

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