TWM618033U - Electrical connector - Google Patents

Abstract

This creation is an electrical connector, which includes: a first insulating body, which includes a first butting portion And a receiving portion; a first terminal is fixed to the first insulating body, the first terminal includes a first contact portion located in the first mating portion and a first pin located in the receiving portion; and an insulator , Is fixed to the first insulating body; wherein the insulator is injection molded into the first insulating body, and the insulator includes a butting ring covering the inner wall of the first butting portion. The above-mentioned butting ring is pasted on the inner wall to strengthen the strength of the first butting portion and enhance the plug-in and pull-out feel.

Description

Electrical connector

This creation relates to an electrical connector.

Chinese Utility Model Patent No. CN209730378U discloses a power connector, which includes: a charging base, a discharging plug, and a charging plug; The second inner cavity on both sides of the first inner cavity, the charging female terminal arranged in the second inner cavity, and the discharging plug includes: a body, a signal pin arranged on the top surface of the body corresponding to the distribution of the pogo pins, and arranged on the body The discharge terminal on the top surface and distributed on both sides of the spring pin, the power pin arranged on the side of the body, the part of the power pin buried in the body is in electrical contact with the part of the discharge terminal buried in the body, the charging plug includes: a housing, a set The charging male terminal at one end of the housing. The charging and discharging connector has both a charging function and a discharging function, and the discharging plug has a smaller volume through an optimized structure design. In addition, the above-mentioned charging socket for charging and discharging connection has spring pins, which are beneficial to provide buffering during insertion and avoid damage. The plurality of plug-in surfaces of the electrical connector are integrally formed, and the strength of each plug-in surface is higher after the plurality of pairs of connectors are inserted.

Therefore, it is necessary to provide an improved electrical connector to solve the above problems.

The purpose of this creation is to provide an electrical connector with a higher strength of the butt joint.

In order to achieve the above objective, the present creation can adopt the following technical solutions: an electrical connector, which includes: a first insulating body, which includes a first mating portion and a receiving portion; and a first terminal, which is fixed to the first insulating body, The first terminal includes a first contact portion located at the first mating portion and a first pin located at the receiving portion; and an insulator, which is fixed to the first insulating body; wherein the insulator is injection molded Into the first insulating body, the insulator includes a butting ring covering the inner wall of the first butting portion.

Compared with the prior art, this creation has the following effects: the docking ring sticks to the inner wall of the first docking portion, strengthens the strength of the first docking portion, and enhances the plug-in and pull-out feel.

100: electrical connector

X: first direction

Y: second direction

Z: Third party

1: The first insulating body

11: The first docking part

110: Containment Chamber

12: Receptacle

120: receiving cavity

13: Base

130: installation slot

2: The second insulating body

21: The second docking part

211: The first straight segment

212: slash segment

213: The second straight segment

214: Additional paragraph

22: Connection part

221: Support

23: Interference Department

231: Card Hook

232: Insulating block

233: Interference Groove

3: Insulator

31: Butt ring

33: connecting bar

32: vertical block

4. 4P, 4S: the first terminal

401: first contact

402: first fixed part

403: first pin

5, 5P, 5S: second terminal

51: Flat part

501: second contact

502: second fixed part

503: second pin

The first figure is a three-dimensional view of the electrical connector of this invention; the second figure is a three-dimensional view of the electrical connector shown in the first figure at different angles; the third figure is a three-dimensional view of the electrical connector shown in the second figure at different angles; the fourth figure is The partial structure exploded view of the electrical connector shown in the first figure; the fifth figure is an exploded view from another angle as shown in the fourth figure; the sixth figure is an exploded view of the entire structure of the electrical connector shown in the first figure; the seventh figure It is a perspective view of the second insulator and the second terminal in the electrical connector shown in Figure 6; Figure 8 is an exploded view from another angle as shown in Figure 6; Figure 9 is a perspective view of the electrical connector shown in Figure 8. Two three-dimensional views of the insulator and the second terminal; the tenth figure is a cross-sectional view along the dashed line XX in the electrical connector shown in the first figure; the eleventh figure is a cross-sectional view along the dashed line XI-XI in the electrical connector shown in the first figure Cross-sectional view; and Figure 12 is a cross-sectional view of the electrical connector shown in Figure 3 along the dashed line XII-XII.

In order to facilitate a better understanding of the purpose, structure, features, and effects of the creation, the creation is further explained in conjunction with the drawings and specific implementations.

With reference to the first to third figures, this creation discloses an electrical connector 100, which defines a first direction X (front and rear direction), a second direction Y (up and down direction) and a third direction Z (left and right direction) which are perpendicular to each other. , Two butt joints can be inserted along the first direction X and the second direction Y.

Referring to the first to third figures, the electrical connector 100 includes a first insulating body 1, a first terminal 4 and an insulator 3 fixed in the first insulating body, the first insulating body 1, a first terminal 4 and The insulator 3 constitutes an output terminal, which can be connected in the front and rear direction X to output power and signals; the electrical connector 100 includes a second insulating body 2 and a second terminal 5 at the same time, and the second insulating body 2 and the second terminal 5 constitute an input terminal. It can be docked along the up and down direction Y to input power and signal. The first and second terminals are connected through a circuit board (not shown) to realize electrical transmission between the two.

The manufacturing method of the electrical connector 100 specifically includes the following steps: (1) A second insulating body 2 is provided, and a second terminal 5 is fixedly held on the second insulating body; the second insulating body includes a second mating portion 21, and the second terminal 5 includes a second mating portion The second contact portion 501 and the second pin 503 of the second contact portion extend along the second direction Y; (2) a plurality of first terminals 4 are provided, and the first terminal includes a first contact portion 401 and a first Pin 403, place the first terminal 4 and the second insulating body 2 in a predetermined position (in the molding die), wherein the first contact portion 401 extends in the first direction, and the first pin 403 is connected to the first contact portion 401. The two pins 503 extend in the same direction, and the second direction Y is perpendicular to the first direction X; (3) Insulating material injection molding is performed on the first terminal 4 and the second insulating body 2 to form the first insulating body 1 The first insulating body 1 includes a first mating portion 11 and a receiving portion 12 extending along a first direction, the first contact portion 401 is located at the first mating portion 11, and the first and second pins 403 and 503 are located in the accommodating part 12; if the single second terminal 5 is directly implanted into the forming mold, the terminal will be skewed due to structural problems, and there is a risk that the forming mold cannot be closed and scraped. The terminal 5 is inserted into the second insulating body 2 and then implanted in the mold as an integral insert to avoid this problem; (4) Insulating material is injected again in the first insulating body 1 to form the insulator 3. The insulator 3 is attached to the inner wall of the first mating portion 11.

The first and second insulating bodies and the insulators are all formed by injection molding of insulating materials, and the first terminal and the second terminal are formed by stamping of metal materials. The first insulating body 1 performs the first injection molding of the second insulating body 2 and the terminal 5 as a whole, and the insulator 3 is injection molded for the second time in the first insulating body 1. The two injection molding has high production efficiency, stable quality and Advantages of high production yield. The following describes the structure of each insulating body and terminal in detail.

As shown in Figures 4 to 6, the first insulating body 1 includes a base 13, a first mating part 11 at the front, and a receiving part 12 at the rear. The first mating part 11 is a receiving part surrounded by a ring wall. The cavity 110 and the accommodating portion 12 are a cavity structure surrounded by a ring wall. Specifically, the first insulating body 1 includes two ring walls extending along the first direction X. The two ring walls are spaced apart from each other in the transverse direction (the third direction Z). The accommodating cavity 120 is formed around.

The insulator 3 is injection-molded into the first insulating body 1. The insulator 3 includes a butting ring 31 that covers the inner wall of the first butting portion 11, and the butting ring does not go beyond the front of the first contact portion 401 of the first terminal. , Abutting against the rear wall of the receiving cavity 110 backwards. The insulator 3 includes a vertical block 32 located behind the butting ring 31 and melted into the first insulating body 1, as shown in the tenth to twelfth figures. Two symmetrical vertical blocks extend behind each butting ring 31. The insulator 3 includes two butting rings 31 in the ring wall and a connecting bar 33 connecting the butting rings. The connecting bar is located in the first insulating body. The insulator 3 includes a pair of vertical blocks 32 located behind the butting ring, and a connecting bar 33 connects the bottoms of the two vertical blocks located in the middle position.

The docking ring 31 of the present invention can strengthen the strength of the ring wall surrounding the first docking portion 11, and at the same time enhance the plugging force; the vertical portion 32 and the connecting strip 33 are melted into the base portion 13 by injection molding to be fixed in the first insulating body , It can be ensured that the butting ring 31 will not be separated from the first insulating body during the plug-in test.

Continuing to refer to the fourth to sixth figures, the first terminal 4 is a needle-shaped structure, including a first contact portion 401 located at the first mating portion 11 and a first pin 403 located at the receiving portion 12, inside each ring wall Each contains a set of first contact portions 401 of the first terminals 4. In this embodiment, each group of first terminals 4 includes four, which are divided into a power terminal 4P with a larger diameter and a signal terminal 4S with a smaller diameter. The power terminal 4P transmits a larger current, and the signal terminal 4S transmits a smaller current. The terminals are divided into two rows and two columns, and the terminals of the same type are distributed diagonally. The diameter of the first contact portion 401 of each first terminal is slightly larger than the first pin 403 thereof, and the first pins 403 of all the first terminals are accommodated in the accommodating cavity 120. The first terminal 4 includes a first fixing portion 402 connecting the first contact portion and the first pin, and the first fixing portion 402 includes a circular sawtooth structure.

Continuing to refer to FIGS. 6 to 9, the second insulating body 2 is fixed on the outside of the first insulating body 1, and the first insulating body 1 and the second insulating body 2 are formed by plastic injection molding one of them to the other insulating body. In this embodiment, the first insulating body 1 is injection-molded to the second insulating body 2, and the first insulating body forms a base 13 for fixing the second insulating body and a mounting groove 130 to strengthen the overall strength of the electrical connector. The second insulating body 2 includes a second mating portion 21 extending along the second direction Y, and the second mating portion is a flat plate structure. Viewed from the second direction Y, the flat plate of the second mating portion 21 includes a first straight line segment 211, an oblique line segment 212, and a second straight line segment 213 that are connected in sequence; the second mating portion 21 also includes an extension from the oblique line segment 212出的Attachment 214. The second mating portion 21 with fool-proof properties can prevent incorrect mating between electrical connectors.

The second insulating body 2 includes a connecting part 22 and an interference part 23 located below the second mating part 21, and the second mating part 21 extends from the connecting part 22 in the second direction Y. The connecting portion 22 includes a circular support portion 221 and a terminal receiving portion 222 surrounding a terminal groove for receiving the second terminal flat plate portion 51. The connecting portion 22 as a whole enters the first insulating body 1 for a certain distance along the second direction Y, and the tenth The first picture and the twelfth picture are clearly visible. The interference part 23 is fixed in the first insulating body 1 due to injection molding, and the interference part 23 includes a pair of An L-shaped hook 231 and an insulating block 232 located in the middle of the hook. The insulating block 232 is provided with a through slot 233 penetrating in the first direction, as shown in the ninth figure; the first insulating body 1 is injection-molded on the second insulating The body 2 thus fills the space around the hook 231 and the through slot 233, so that the base 13 of the first insulating body 1 and the interference portion 23 are fully matched, and the connection strength between the two is strengthened.

The second terminal 5 is installed in the second insulating body 2 and fixed in the first insulating body 1 at the same time. The second terminal includes a second contact portion 501 located at the second mating portion 21 and a second pin 503 extending toward the first insulating body 1 and also located in the receiving cavity 120. The second contact portion 501 is a flat plate portion 51 perpendicular to the second mating portion 21. Two side surfaces of the plate of the second mating portion 21 are respectively provided with at least the one second contact portion 501, and the second contact portions on both sides are perpendicular to the plate 21 and aligned with each other in a direction perpendicular to the plate. One side of the second contact portion 501 on both sides is buried in the flat plate, and the two second contact portions are arranged in a large and one small shape. The two side surfaces of the plate 21 are respectively provided with two second contact portions 501, and the second contact portions on the same side of the plate are arranged in a larger and smaller shape. Specifically, four second terminals 5 are fixed in the second insulating body 2, which are divided into two power terminals 5P of the larger plate portion 51 and two signal terminals 5S of the smaller plate portion 51. The power terminals 5P transmit larger currents and signal The terminal 5S transmits a small current. One power terminal 5P and signal terminal 5S are arranged on both sides of the first straight section 211, and the remaining power terminal 5P and signal terminal 5S are arranged on both sides of the second straight section 213. The plate 21 is arranged on the same side surface as a power terminal 5P and a signal terminal 5S. The additional section 214 is located between the two second contact portions 501 on the same side surface of the plate 21 and is parallel to the second contact portions.

In this embodiment, the second docking portion 21 and the four flat plate-shaped second terminals 5 constitute the input terminal, which can input power and signals, and the first docking portion 11 and the eight needle-shaped first terminals 4 constitute the output terminal, which can output power and Signal. Each second power terminal 5P is connected to a first power terminal 4P in each first mating portion 11 through a circuit board (not shown), that is, a second power terminal 5P is connected to two first power terminals in different receiving cavities 110. The power supply terminal 4P, so the two second power supply terminals 5P and the four first power supply terminals 4P in the two accommodating cavities form just two sets of power transmission. Similarly, each second signal terminal 5S is connected to a first signal terminal 4S in each first mating portion 11 through a circuit board (not shown), that is, a second signal terminal 5S is connected to two different receiving chambers 110. The first signal terminal 4S, so the two second signal terminals 5S cooperate with the four first signal terminals 4S in the two receiving cavities to form two sets of signal transmission. In this way, the input and output of power and signal are realized.

In this embodiment, the side of each second terminal close to the plate 21 is provided with a step portion 510 embedded in the plate, and the side of each terminal away from the plate 21 is provided with a barbed structure 511. Flat 51 It includes contact portions 501 fixed on both sides of the second mating portion 21 and a flat plate structure fixed in the terminal receiving portion 222. The second contact portions 501 on both sides of the same straight section of the first mating portion 11 are aligned with each other in a direction perpendicular to the flat plate, and the second pins 503 are staggered with each other. The second fixing portion 502 connects the flat plate portion 51 and the second pin 503 and is fixed in the first insulating body 1. The second pin 503 is formed by bending the second fixing portion 502 once or twice, so that the same The second pins 503 of the second terminals on both sides of the straight line 211/213 are staggered in the first direction X. The pins 403 and 503 of all the first and second terminals are arranged in parallel in the receiving cavity 120, and the first pins 403 are arranged on both sides of the second pin 503.

In summary, this creation meets the requirements of a new patent, and Yan filed a patent application in accordance with the law. However, the above are only the preferred embodiments of this creation, and the scope of this creation is not limited to the foregoing embodiments. For those who are familiar with the techniques of this case and make equivalent modifications or changes based on the spirit of this creation, they are all Should be covered in the scope of the following patent applications.

100: electrical connector

1: The first insulating body

X: first direction

2: The second insulating body

Y: second direction

3: Insulator

Z: Third party

4: The first terminal

5: The second terminal

Claims (10)

An electrical connector includes: a first insulating body, which includes a first butting portion and a receiving portion, and a first terminal, which is fixed to the first insulating body, and the first terminal includes a The first contact part of the part and the first pin located in the receiving part; and an insulator, which is fixed to the first insulating body; wherein the insulator is formed in the first insulating body by injection molding The insulator includes a butting ring covering the inner wall of the first butting portion. The electrical connector according to claim 1, wherein the insulator includes a vertical block located behind the butting ring and fused into the first insulating body. The electrical connector according to claim 2, wherein two symmetrical vertical blocks extend behind each of the docking rings. The electrical connector according to claim 3, wherein the first butting portion is a receiving cavity surrounded by a ring wall, and the butting ring does not extend forwardly beyond the front of the first contact portion, but abuts on the back The back wall of the receiving cavity. The electrical connector according to claim 1, wherein the first butting portion includes two ring walls spaced apart laterally, each of the ring walls forms a receiving cavity, and each receiving cavity is provided with a set of Mentioned first contact part. The electrical connector according to claim 5, wherein the insulator includes two butting rings located in the ring wall and a connecting bar connecting the butting rings, and the connecting bar is located in the first insulating body. The electrical connector according to claim 6, wherein the insulator includes a pair of vertical blocks located behind the butting ring, and the connecting bar connects the bottoms of the two vertical blocks located in the middle position. The electrical connector according to claim 1, wherein the electrical connector includes a second insulating body and a second terminal, the second insulating body is fixed on the outside of the first insulating body, and the second insulating body includes The second mating part, the second mating part is perpendicular to the first mating part; the second terminal includes a second contact part located at the second mating part and extending to the first insulating body and also located at the same The second pin of the receiving portion. The electrical connector according to claim 1, wherein the first terminal includes a power terminal and a signal terminal, the first terminal is cylindrical, and the diameter of the first contact portion is larger than the corresponding first pin , And the first holding portion located between the first contact portion and the first pin has a serrated outer periphery; the diameter of each power terminal is larger than that of the signal terminal. The electrical connector according to claim 8, wherein the first pin is a pin-shaped pin, the second pin is a square pin, and the first pin is arranged transversely to the second pin On both sides.

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