TWI497842B - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector that simplifies the terminal structure so that the terminal satisfies high frequency transmission characteristics.

U.S. Patent No. 6,926,565, as shown in Fig. 1, discloses a conventional electrical connector A having a terminal B capable of transmitting high speed data signals, which are designed to meet the effect of transmitting high speed data signals. A continuous terminal is formed with a positioning portion B1 at a middle portion of the terminal B, and the positioning portion B1 is substantially U-shaped to form a notch B2, although the electrical connector A can satisfy the transmission of high-speed data signals. effect.

However, as shown in FIG. 2, when the terminal B of the conventional electrical connector A is assembled inside the casing, since the positioning portion B1 is substantially U-shaped, a notch B2 is formed in the center of the positioning portion B1. The structure of the terminal B is complicated, and the terminal B is more susceptible to deformation by an external force during assembly.

In particular, today's electrical connectors, in addition to the need to meet the transmission of high-speed data signals, must also meet the requirements of thin and light, so the terminal B of the conventional electrical connector A is limited by the conditions of light and thin, so the terminal B The height of the notch B2 on the positioning portion B1 is also relatively limited. Therefore, during the assembly process, the external force is easily affected, and the deformation of the terminal B is caused, so that the two ends of the notch B2 of the positioning portion B1 touch each other. This affects the effect of high-speed transmission.

Furthermore, when the terminal B is deformed, it will also cause the soldering of the terminal B of the terminal B. Oblique, which affects the flatness between the soldering legs B3 after assembly, resulting in the phenomenon of poor soldering or soldering of the soldering legs B3. In addition, in addition to the easy deviation of the soldering foot B3, the deformation and skew of the contact arm B4 may also occur, thereby causing the contact arm B4 to be ineffectively electrically connected to the docking member, resulting in electrical failure.

Therefore, how to provide an electrical connector capable of satisfying the requirements of transmitting a high-speed data signal while simplifying the terminal structure and satisfying the thinning effect is the technical means to be solved by the present invention.

In view of the above problems, the present invention provides an electrical connector, and more particularly to an electrical connector capable of meeting a high-speed data signal while simplifying the terminal structure and satisfying the thinning effect.

To achieve the above objective, the electrical connector of the present invention is provided on a circuit board for inserting a pair of connectors, and the electrical connector comprises an insulating body, a plurality of first terminals, a cover body and a set of positioning members. . The insulative housing has a top portion, a bottom portion, a rear wall portion and a pair of side wall portions that cooperate with the top, bottom and rear wall portions to form a cavity. The plurality of first terminals are housed in the insulating body. The cover body covers the insulating body, and includes a cover plate covering the top of the insulating body, a cover plate covering the outer side of the wall after the insulating body, and a pair of sides covering one side of the insulating body Cover plate. a positioning member for fixing the cover body to the insulative housing, the positioning member includes a first positioning portion that can be engaged with each other and a second positioning portion, wherein the first positioning portion and the second positioning portion are respectively disposed on the insulative body One of the pair of side walls and one of the cover bodies on the side cover.

Therefore, the positioning member is used to fix the cover body to the insulating body, thereby preventing the first terminal from falling off from the insulating body, so that the structure of the first terminal is simplified and can be satisfied. The requirement of transmitting high-speed data signals, and the overall electrical connector can meet the effect of thinning.

The first positioning portion is a protrusion, which is respectively protruded from one of the pair of side walls of the insulative housing, and the second positioning portion is a snap groove, which is respectively recessed on one of the cover plates of the cover body, thereby utilizing The buckle groove and the bump are mutually buckled, so that the first positioning portion and the second positioning portion are engaged with each other, so that the cover body is fixed to the insulating body.

The electrical connector further includes a set of limiting members, the limiting member includes a pair of first limiting portions and second limiting portions that are mutually embedable, and the first limiting portion is disposed on the rear wall of the insulating body On both sides of the portion, the second limiting portion is disposed on both sides of the cover plate behind the cover body. Each of the first limiting portions is a limiting slot, and is respectively recessed on two sides of the rear wall portion of the insulating body, and each of the second limiting portions is a limiting slider, respectively protruding from the cover of the cover body On both sides of the board, the limit slider is embedded in the limit slot, so that the cover body can reach the limit position on the insulating body.

The insulative housing further includes a plurality of terminal slots for receiving the first terminals, and each of the terminal slots extends over the top and rear wall portions of the insulative housing.

A plurality of positioning blocks are further protruded from the rear wall portion of the insulating body, and a receiving groove is formed between the positioning block and the rear wall portion, and the cover portion of the cover body is embedded in the receiving groove.

Wherein, at least one of the embedded protrusions is protruded from the top of the top of the insulating body, and the upper cover plate of the cover plate is opposite to the position of the embedded bump, and is further provided with an insertion recess for inserting the protrusion.

The electrical connector further includes a plurality of second terminals, wherein the first terminal portions are exposed above the cavity of the insulating body, and the second terminals are partially exposed to the insulating body. Below the cavity.

Conventional component symbol description

A‧‧‧知电连接器

B‧‧‧ terminals

B1‧‧‧ Positioning Department

B2‧‧ ‧ gap

B3‧‧‧ solder feet

B4‧‧‧Contact arm

Symbolic description of the components of the present invention

10‧‧‧Electrical connector

20‧‧‧Insulating body

21‧‧‧ top

22‧‧‧ bottom

23‧‧‧Back wall

24‧‧‧ Sidewall

25‧‧‧ cavity

26‧‧‧Terminal slot

27‧‧‧ embedded bumps

28‧‧‧ Positioning block

29‧‧‧容槽

30‧‧‧First terminal

40‧‧‧second terminal

50‧‧‧ cover

51‧‧‧Upper cover

52‧‧‧Back cover

53‧‧‧ side cover

54‧‧‧ embedded recess

60‧‧‧ Positioning members

61‧‧‧First Positioning Department

62‧‧‧Second Positioning Department

70‧‧‧Limited components

71‧‧‧First Limitation

72‧‧‧Second Limitation

Figure 1 is a schematic cross-sectional view of a conventional electrical connector.

Figure 2 is a schematic cross-sectional view showing the terminal deformation of a conventional electrical connector.

Figure 3 is a perspective view of the present invention.

Figure 4 is a perspective exploded view of the first perspective of the present invention.

Figure 5 is a perspective exploded view of the second perspective of the present invention.

Figure 6 is a perspective exploded view of the third perspective of the present invention.

Figure 7 is a schematic plan view of the present invention.

Figure 8 is a schematic cross-sectional view of the A-A of the seventh figure.

Figure 9 is a cross-sectional view of the B-B of the seventh figure.

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in FIG. 3 and FIG. 4, the electrical connector of the present invention is mainly provided on a circuit board for inserting a pair of connectors. The electrical connector 10 of the present invention includes an insulative housing 20, a plurality of first terminals 30, a plurality of second terminals 40, and a cover 50.

The insulative housing 20 has a top portion 21, a bottom portion 22, a rear wall portion 23, and a pair of side wall portions 24 that cooperate with the top portion 21, the bottom portion 22, and the rear wall portion 23 to form a cavity 25. The top 21 and the rear wall portion 23 further extend a plurality of continuous terminal slots 26, and at least one of the embedded bumps 27 is protruded from the top portion 21.

Each of the first terminals 30 is substantially L-shaped and is received in the terminal slot 26 of the insulative housing 20, and the first terminal 30 is inserted into the insulating body by the rear wall portion 23 of the insulative housing 20 toward the cavity 25. Within body 20.

The second terminals 40 are received in the insulative housing 20 , and the second terminals 40 are inserted into the insulative housing 20 by the cavity 25 of the insulative housing 20 toward the rear wall portion 23 .

The cover body 50 covers the insulative housing 20, and includes a cover plate 51 covering the top portion 21 of the insulative housing 20, a cover plate 52 covering the outer side of the wall portion 23 after the insulative housing 20, and a pair of covering the insulative body. The side cover 53 of the pair of side wall portions 24 is formed with a corresponding insertion recess 54 at the upper cover 51 opposite to the embedded projection 27 of the insulative housing 20.

Referring to FIG. 5 and FIG. 6 again, the insulating body 20 and the cover 50 are fixed by a set of positioning members 60 and a set of limiting members 70.

The positioning member 60 includes two pairs of first positioning portions 61 and a second positioning portion 62 that are mutually engageable. In the embodiment, the first positioning portion 61 is a protrusion, and is respectively protruded from one of the insulating bodies 20 . On the side wall portion 24, the second positioning portion 62 is a snap groove, and is recessed on one of the side cover plates 53 of the cover body 50, respectively.

The limiting member 70 includes two pairs of first limiting portions 71 and a second limiting portion 72 that are mutually engageable. In the embodiment, the first limiting portion 71 is a limiting slot, and is respectively recessed in the limiting portion. The second limiting portion 72 is a limiting slider that protrudes from the two sides of the cover 52 after the cover 50 is respectively disposed on the two sides of the rear wall portion 23 of the insulating body 20 .

Therefore, when the cover 50 is assembled on the insulative housing 20, the second limiting portion 72 of the two sides of the rear cover 52 is inserted into the first limiting portion 71 on both sides of the wall portion 23 of the insulative housing 20 to The cover body 50 is guided by the first limiting portion 71 and the second limiting portion 72 to be assembled on the insulative housing 20 from top to bottom, so that one of the cover members 50 covers the insulating cover 20 One of the main body 20 is adjacent to the outer side of the side wall portion 24, and is further engaged with each other by the first positioning portion 61 and the second positioning portion 62. The pair of side cover plates 53 and the pair of side wall portions 24 are engaged with each other, so that the cover body 50 can be effectively fixed to the insulative housing 20.

The second terminal 30 is further provided with at least one positioning block 28, and a receiving groove 29 is formed between each positioning block 28 and the rear wall portion 23, so that the cover 50 is formed. The bottom end 55 of the cover 52 is then embedded in the receiving groove 29.

Referring to FIGS. 7-9, the first terminal 30 of the present invention is partially exposed above the cavity 25 of the insulative housing 20, and the second terminal 40 is partially exposed to the insulating body 20. Below the cavity 25. The first terminal 30 and the second terminal 40 are respectively arranged at a staggered interval.

When the cover 50 covers the insulative housing 20, the cover 50 is inserted into the receiving slot 29 of the insulative housing 20 through the bottom end 55 of the rear cover 52, and the embedded bump 27 on the insulative housing 20 is embedded in the recess. The cover 50 is embedded in the recess 54. Therefore, when the first terminal 30 is inserted into the interior of the insulative housing 20, the upper cover 51 of the cover 50 is located above the first terminals 30, and the cover 50 and the cover 52 are located at the first terminals 30. Thereafter, the first terminals 30 are fixed and fixed by the cover 50 and the insulative housing 20, thereby preventing the first terminals 30 from falling out of the insulative housing 20.

In other words, in the present invention, the first terminal 30 is not provided with any structure that is engaged with the insulative housing 20, and therefore, the structure of the first terminal 30 is relatively simple, and the first terminal 30 is mainly transmitted through the cover 50 and insulated. The bodies 20 are positioned relative to one another and are securely secured within the insulative housing 20. The cover 50 is stopped behind and above the first terminal 30. Therefore, the first terminal 30 does not fall off in the insertion direction, and the cover 50 covers the first terminal 30, so that each first terminal can be made. The solder fillet of 30 maintains a good flatness.

Furthermore, the electrical connector 10 of the present invention can simplify the structure of the first terminal 30. Simultaneously, it can meet the requirements of high-speed transmission of data signals, and can also effectively reduce the height of the first terminal, so that the overall electrical connector can meet the requirements of thinning.

Although the technical content of the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the present invention, and any modifications and refinements made by those skilled in the art without departing from the spirit of the present invention should be Within the scope of the invention, therefore, the scope of the invention is defined by the scope of the appended claims.

20‧‧‧Insulating body

21‧‧‧ top

22‧‧‧ bottom

23‧‧‧Back wall

24‧‧‧ Sidewall

25‧‧‧ cavity

26‧‧‧Terminal slot

27‧‧‧ embedded bumps

30‧‧‧First terminal

40‧‧‧second terminal

50‧‧‧ cover

51‧‧‧Upper cover

52‧‧‧Back cover

53‧‧‧ side cover

54‧‧‧ embedded recess

Claims (9)

An electrical connector includes: an insulative housing having a top portion, a bottom portion, a rear wall portion, and a pair of side wall portions that cooperate with the top, bottom, and rear wall portions to form a cavity; and the plurality of first terminals are received In the insulating body, a cover body covers the insulating body, and includes a cover plate covering the top of the insulating body, a cover plate covering the rear wall portion of the insulating body, and covering the insulating body And a pair of positioning members for fixing the cover body to the insulative housing, the positioning member includes a first positioning portion that can be engaged with each other and a second The positioning portion is disposed on one of the pair of side walls of the insulative housing, and the second positioning portion is disposed on one of the side cover plates of the cover. The electrical connector of claim 1, wherein the first positioning portion is a protrusion protruding from a pair of side walls of the insulative housing, and the second positioning portion is a snap groove. They are respectively recessed on one of the side cover plates of the cover body. The electrical connector of claim 1, further comprising a set of limiting members, the limiting member comprising a pair of first limiting portions and second limiting portions that are mutually engageable, the first limiting portion The part is disposed on two sides of the rear wall portion of the insulating body, and the second limiting portion is disposed on both sides of the cover plate behind the cover body. The electrical connector of claim 3, wherein each of the first limiting portions is a limiting slot, respectively recessed on two sides of the rear wall portion of the insulating body, and each of the second limiting portions The utility model is a limit slider, which is respectively protruded on two sides of the cover plate behind the cover body. The electrical connector of claim 1, wherein the insulative housing further includes a plurality of terminal slots for receiving the first terminals. The electrical connector of claim 5, wherein each of the terminal slots extends over the top and rear wall portions of the insulative housing. The electrical connector of claim 1, wherein a plurality of positioning blocks are further protruded from the rear wall portion of the insulating body, and a receiving groove is formed between the positioning block and the rear wall portion, and the cover body is followed by a cover plate. Part of the embedded in the receiving groove. The electrical connector of claim 1, wherein at least one of the embedded bumps is protruded from a top of the top of the insulating body, and the upper cover of the cover is disposed at a position relative to the embedded bump. An embedded recess in which the embedded bump is embedded. The electrical connector of claim 1, wherein the electrical connector further comprises a plurality of second terminals, wherein the first terminal portions are exposed above the cavity of the insulating body, and the second The terminal is partially exposed below the cavity of the insulating body.