TWM472335U - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector having a suction portion.

The Chinese mainland patent CN201120134436 discloses an electrical connector having an accommodating space for accommodating the docking electronic component, comprising an insulating body, a shielding shell fixed to the periphery of the insulating body, and a plurality of terminals mounted in the insulating body, the shielding shell The suction portion includes a suction plate disposed opposite to the accommodating space, and a connecting piece for connecting the suction plate and the shielding case, and the connection between the connecting piece and the shielding case is engraved Trace line. The existing suction plate and the accommodating space are arranged oppositely, and after the suction plate on the shielding case is sucked by the vacuum suction device to suck the connector to the circuit board, it must also be removed from the shielding case. The suction portion is broken and peeled to insert the corresponding electronic component into the accommodating space, and the assembly process is complicated, which is disadvantageous for reducing the manufacturing cost. It can be seen that it is necessary to improve the structure of the suction portion of the existing electrical connector.

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art described above, and to provide an improved structure of the suction portion of the electrical connector, which can save the assembly process and is easy to manufacture.

The present invention provides an electrical connector for the above technical problem, comprising an insulating housing, a plurality of conductive terminals mounted on the insulating housing, and a shielding housing, the bottom of the electrical connector defining a horizontal mounting surface, The shielding shell is surrounded by the insulating housing to form a pair of connecting cavities, and the mating cavity is inclined at a set angle to the horizontal mounting surface in front height and low ground; the shielding shell includes an upper wall and two sides of the upper wall Extending the two side walls extending from the front height and the low side to form a top portion of the mating cavity; the shielding shell further comprising a suction platform portion, the suction platform portion being rearward from the front edge of the upper wall Bend and extend parallel to the horizontal mounting surface.

The shielding shell is stamped and bent by a metal material, and the suction platform portion is a flat plate extending at the top of the electrical connector and parallel to the horizontal mounting surface, and the upper surface of the flat plate constitutes a suction surface.

The shield housing further includes a support portion supported between the suction platform portion and the upper wall to prevent a change in the first angle between the suction platform portion and the upper wall.

The support portion is bent downwardly from the suction platform portion, and the lower end of the support portion abuts against the upper wall.

A second angle is formed between the suction platform portion and the support portion, and the second angle is less than or equal to a right angle.

The support portion includes a body that is inclined downwardly from a rear edge of the suction platform portion.

The support portion further includes a bend extending further upward from the lower end of the body, the bottom of the bend abutting the upper wall.

These conductive terminals include a plurality of contact terminals and a pair of detecting ends Each of the conductive terminals has a soldering portion extending from the bottom of the insulating housing and a pair of connecting portions extending into the mating cavity, wherein the two abutting portions of the pair of detecting terminals are disposed on one side of the mating cavity And are arranged relative to each other along a lateral gap.

The shielding shell further includes a first rear wall and a second rear wall which are bent downwardly from a rear edge of the upper wall, and the first rear wall is correspondingly disposed behind the contact terminals, the second rear The wall is correspondingly disposed behind the pair of detecting terminals; the second rear wall is provided with an opening for detecting the pair of detecting terminals, and the shielding shell further comprises a downwardly bent side of the upper wall into the mating cavity a pressing part inside.

The electrical connector may be correspondingly soldered to an upper surface of a circuit board, the horizontal mounting surface being selectively disposed at a bottom of the insulative housing and/or a bottom of the shielding housing, wherein the horizontal mounting surface and the circuit board The upper surfaces are attached in parallel.

Compared with the prior art, the electrical connector of the present invention does not need to break the suction platform portion from the shielding shell after the electrical connector is soldered to the circuit board by preventing interference between the suction platform portion and the docking chamber. Peeling, which saves processes and is easy to manufacture.

1‧‧‧Insulated housing

10‧‧‧Electrical connector

11‧‧‧ base

111‧‧‧ horizontal mounting surface

12‧‧‧First side wall

121‧‧‧ top surface

122‧‧‧ front limit block

123‧‧‧ holding slot

124‧‧‧ rear limit slot

13‧‧‧Second side wall

133‧‧‧ holding slot

2‧‧‧Electrical terminals

20‧‧‧ boards

201‧‧‧ upper surface

3‧‧‧Shield housing

30‧‧‧Electronic card

31‧‧‧Upper wall

311‧‧‧ openings

32‧‧‧ side wall

322‧‧‧ card slot

323‧‧‧Bucking arm

324‧‧‧ snap arms

33‧‧‧ side wall

332‧‧‧ card slot

333‧‧‧holding arm

334‧‧‧ buckle arm

34‧‧‧Drawing Platform Department

341‧‧‧ suction surface

35‧‧‧Support

351‧‧‧ body

352‧‧‧Bend

36‧‧‧First back wall

37‧‧‧Second back wall

371‧‧‧ openings

38‧‧‧The Ministry of Pressure

4‧‧‧ docking chamber

6‧‧‧Contact terminals

61‧‧‧Docking Department

62‧‧‧Welding Department

7‧‧‧Detection terminal

71‧‧‧Docking Department

72‧‧‧Weld Department

8‧‧‧Detection terminal

81‧‧‧Docking Department

82‧‧‧Weld Department

A‧‧‧ first angle

B‧‧‧second angle

C‧‧‧Set angle

Other features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments, wherein: Figure 1 is a preferred embodiment of the present invention, in conjunction with a circuit board and an electronic card. Side view where the electronic card is inserted.

2 is a preferred embodiment of the present invention, a circuit board and an electronic card A stereoscopic view of the cooperation in which the electronic card is in an uninserted state.

3 and 4 are perspective views of two different perspectives of a preferred embodiment of the electrical connector of the present invention.

5 and 6 are exploded perspective views of two different perspectives of a preferred embodiment of the electrical connector of the present invention.

A preferred embodiment of the present invention will be further elaborated below with reference to the accompanying drawings.

Referring to Figures 1 and 2, the present invention provides an electrical connector 10 that generally includes an insulative housing 1 having a horizontal mounting surface 111 defined therein (see Figure 5); A conductive terminal 2 and a shield case 3. The electrical connector 10 is an angle connector, and the shielding shell 3 is surrounded by the insulating housing 1 to form a pair of connecting cavities 4, and the mating chamber 4 is at a set angle C to the horizontal mounting surface. Tilt extension. In the present embodiment, the set angle C is preferably in the range of 10 to 80 degrees. The electrical connector 10 can be soldered to the upper surface 201 of a circuit board 20. The docking cavity 4 of the electrical connector 10 can be correspondingly inserted into an SD electronic card 30. The upper surface 201 of the circuit board 20 is attached in parallel with the horizontal mounting surface 111. It is worth mentioning that the horizontal mounting surface 111 is not limited to be disposed at the bottom of the insulating housing 1 of the electrical connector 10, but may be selectively disposed at the bottom of the insulating housing 1 and/or the shielding housing 3 bottom of.

Referring to FIG. 3 to FIG. 6, the insulative housing 1 is integrally injection molded, and includes: a base portion 11 having a flat bottom surface, the bottom portion The surface is the aforementioned horizontal mounting surface 111; a first side wall 12, the first side wall 12 is located at one side of the base portion 11, and the first side wall 12 has a front height and a rear low to be integrated with the horizontal mounting surface 111. a top surface 121 extending obliquely at an angle, having a front limit block 122 at the front end, a rear limit groove 124 at the rear end, and a catching groove 123 at the bottom end; and a second side a wall 13 , the second side wall 13 is located on the other side of the base 11 , and the second side wall 13 and the first side wall 12 have a front limit block (not labeled) located at the front end symmetrically. A rear limit slot (not labeled) at the rear end and a latching slot 133 at the bottom end.

These conductive terminals 2 include a plurality of contact terminals 6 (for function of signal transmission, grounding, power supply, etc.) and a pair of detecting terminals 7, 8 positioned on one side of these contact terminals 6. Each of the contact terminals 6 has a pair of joints 61 projecting into the mating cavity and a soldering portion 62 projecting from the bottom of the insulative housing 1. The first detecting terminal 7 has a pair of joint portions 71 projecting into the mating chamber and a welded portion 72 projecting from the bottom of the insulating housing 1. The second detecting terminal 8 also has a pair of joints 81 projecting into the mating cavity and a soldering portion 82 projecting from the bottom of the insulating housing 1. The two abutting portions 71, 81 of the pair of detecting terminals are disposed on one side of the mating cavity 4, and are laterally spaced apart by a gap. The detecting terminal structure is in the SD electronic card 30 (see FIG. 1). When inserted into the docking chamber 4 of the electrical connector 10, the two mating portions 71, 81 of the pair of detecting terminals 7, 8 will be brought together to provide a detection signal to inform the associated circuit to begin operation.

The shield case 3 is formed by integrally stamping and bending a metal material. The shielding housing 3 includes an upper wall 31 constituting a top portion of the docking chamber 4, The two side walls 32, 33 of the upper wall 31 are bent and extended by a suction platform portion 34 which is bent rearward from the front edge of the upper wall 31 and extends parallel to the horizontal mounting surface 111. The shield case 3 may further include a support portion 35 supported between the suction platform portion 34 and the upper wall 31. The support portion 35 may enhance the stability of the suction platform portion 34 to prevent the suction platform portion 34 from being secured. A change in the first angle A (see Fig. 1) between the upper wall 31 results in failure to properly draw. Specifically, in the preferred embodiment, the support portion 35 is inclined downwardly from the rear edge of the suction platform portion 34; and in other embodiments (not shown), the upper wall 31 may also be first. An opening is opened, and a support portion is bent upwardly from the opening to be supported below the suction platform portion 34. The shielding housing 3 further includes a first rear wall 36 and a second rear wall 37 which are bent downwardly from the rear edge of the upper wall 31, and are bent downward from one side of the upper wall 31. A pressing portion 38 of the mating chamber 4 is inserted. The upper wall 31 is inclined forwardly at a set angle to the horizontal mounting surface 111, and the bottom side of the upper wall 31 abuts against the top surface 121 of the first side wall 12 of the insulating housing 1 , wherein The upper wall 31 is provided with an opening 311 on a side close to the first side wall 32, and the pressing portion 38 is located in the opening 311.

The first side wall 32 is bent downwardly from one side of the upper wall 31, and includes a slot 322 disposed at the front end, a latching arm 323 disposed at the bottom end, and a latching arm disposed at the rear end The card slot 322 corresponds to the front limiting block 122 on the first side wall 12 of the insulating housing 1 , and the latching arm 323 and the bottom of the first side wall 12 of the insulating housing 1 are fastened. Corresponding to the slot 123, the latching arm 324 corresponds to the rear limiting slot 124 of the first side wall 12 of the insulative housing 1, so that the first sidewall 32 can be securely mounted to the slot On the first side wall 12.

The second side wall 33 is bent downwardly from the other side of the upper wall 31, and includes a slot 332 disposed at the front end, a latching arm 333 disposed at the bottom end, and a latching arm disposed at the rear end The latching slot 332 corresponds to the front limiting block on the second side wall 13 of the insulative housing 1 , and the latching arm 333 and the retaining slot at the bottom of the second side wall 13 of the insulative housing 1 Corresponding to the 133, the latching arm 334 corresponds to the rear limiting slot on the second side wall 13 of the insulating housing 1, so that the second sidewall 33 can be securely mounted on the second sidewall 13. In the present embodiment, the bottom surfaces of the two latching arms 333, 323 also constitute the horizontal mounting surface of the electrical connector 10.

The suction platform portion 34 includes a flat plate extending at the top of the electrical connector 10 and parallel to the horizontal mounting surface 111. The upper surface of the flat plate constitutes a suction surface 341. As can be seen from FIG. 1 and FIG. 2, the suction surface 341 is The upper surface 201 of the circuit board 20 is substantially parallel. The suction platform portion 34 can facilitate the automatic assembly machine to pick up the electrical connector 10 and mount it on the circuit board 20 for soldering operations.

Specifically, in the preferred embodiment, the support portion 35 includes a body 351 extending downward from the rear edge of the suction platform portion 34 and a bend 352 extending upward from the lower end of the body 351. The bottom of the bend 352 abuts against the upper wall 31 to avoid damaging the upper surface of the upper wall 31. In some other embodiments (not shown), the bend 352 can be omitted and the lower end of the body 351 directly abuts the upper wall 31. The second angle B (see FIG. 4) between the body 351 and the suction platform portion 34 is preferably less than or equal to a right angle (approximately 30 degrees in this embodiment). And in it In other embodiments (not shown), the support portion 35 may also be in the form of two separate support arms extending downwardly from the central or trailing edge of the suction platform portion 34, respectively.

The first rear wall 36 is correspondingly disposed behind the contact terminals 6. The second rear wall 37 is disposed correspondingly behind the pair of detecting terminals 7, 8. The middle of the second rear wall 37 is provided with an opening 371, which can be used to observe whether the pair of detecting terminals 7, 8 are in abutment/separation state when the electronic card 30 is inserted/not inserted into the electronic card 30. Proper adjustment to ensure that the product works well. The pressing portion 38 is located in front of the opening 371. The pressing portion 38 can press down the SD electronic card 30 inserted in the docking chamber 4 to ensure good contact between the SD electronic card 30 and the contact terminal 6. .

The assembly process of the electrical connector 10 of the present invention generally comprises: first mounting the conductive terminals 2 to the insulating housing 1; and then inserting the shield housing 3 obliquely from the bottom to the insulating housing 1 to make it two The side walls 32, 33 are correspondingly fixed to the two side walls 12, 13 of the insulating housing. It should be noted that, before the installation, the holding arm 323 on the first side wall 32 extends straight downward from the bottom end of the first side wall 32, and the holding arm 333 on the second side wall 33 is also second. The bottom end of the side wall 33 extends straight downwards, and after being installed, the punching process is performed so that the two fastening arms 323, 333 are firmly fixed in the two fastening grooves 123, 133.

Compared with the prior art, the beneficial effects of the electrical connector of the present invention include that the suction platform portion 34 and the docking chamber 4 do not interfere with each other, and after the electrical connector 10 is soldered to the circuit board 20, it is not necessary to be shielded from the shield case 3. The suction platform portion 34 is broken and peeled off, so that the process can be easily manufactured. In addition Since the suction platform portion 34 is bent backward from the front end of the upper wall 31, an opening is provided on the upper wall with respect to some known electrical connectors (not shown) to provide a design of the suction platform portion. It is advantageous to maintain the integrity and structural strength of the upper wall 31. In addition, the design is further provided with a support portion 35 which can enhance the stability of the suction platform portion 34 and prevent it from being deformed, so that the vacuum suction device cannot be sucked.

However, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, that is, the simple equivalent changes and modifications made in accordance with the scope of the present patent application and the contents of the patent specification, All remain within the scope of this new patent.

1‧‧‧Insulated housing

10‧‧‧Electrical connector

2‧‧‧Electrical terminals

20‧‧‧ boards

201‧‧‧ upper surface

30‧‧‧Electronic card

31‧‧‧Upper wall

32‧‧‧ side wall

34‧‧‧Drawing Platform Department

341‧‧‧ suction surface

35‧‧‧Support

A‧‧‧ first angle

C‧‧‧Set angle

Claims (10)

An electrical connector includes an insulative housing, a plurality of conductive terminals mounted on the insulative housing, and a shielded housing, the bottom of the electrical connector defining a horizontal mounting surface, the shield housing and the insulative housing The body surrounds a pair of receiving cavities, and the mating cavity is obliquely extended at a set angle to the horizontal mounting surface by the front high and low ground; the shielding case includes an upper wall and two side walls extending from two sides of the upper wall The upper wall is obliquely extended from the front height and the low ground to form a top portion of the docking chamber; the shield housing further includes a suction platform portion bent backward from the front edge of the upper wall and parallel to the level The mounting surface extends out. The electrical connector of claim 1, wherein the shielding housing is stamped and bent from a metal material, and the suction platform portion is at a top of the electrical connector and extends parallel to the horizontal mounting surface. The flat plate has an upper surface that constitutes a suction surface. The electrical connector of claim 1 or 2, wherein the shield housing further comprises a support portion supported between the suction platform portion and the upper wall to prevent between the suction platform portion and the upper wall The first angle changes. The electrical connector of claim 3, wherein the support portion is bent downwardly from the suction platform portion, and the lower end of the support portion abuts the upper wall. The electrical connector of claim 4, wherein a second angle is formed between the suction platform portion and the support portion, the second angle being less than or equal to a right angle. The electrical connector of claim 4, wherein the support portion comprises The body of the suction platform portion is inclined downwardly and extends out of the body. The electrical connector of claim 6, wherein the support portion further comprises a bend that is further bent upwardly from a lower end of the body, the bottom of the bend abutting the upper wall. The electrical connector of claim 1, wherein the conductive terminals comprise a plurality of contact terminals and a pair of detecting terminals, each of the conductive terminals having a soldering portion extending from a bottom of the insulating housing and extending into the mating cavity And a pair of joints of the pair of detecting terminals, wherein the two abutting portions of the pair of detecting terminals are disposed on one side of the mating cavity, and are disposed opposite to each other along a lateral gap. The electrical connector of claim 8, wherein the shielding housing further comprises a first rear wall and a second rear wall which are bent downwardly from a rear edge of the upper wall, the first rear wall Correspondingly disposed behind the contact terminals, the second rear wall is correspondingly disposed behind the pair of detecting terminals; the second rear wall is provided with an opening for detecting the pair of detecting terminals, and the shielding shell further comprises the upper One side of the wall is bent downwardly into a pressing portion of the mating cavity. The electrical connector of claim 1, wherein the electrical connector is correspondingly solderable to an upper surface of a circuit board, the horizontal mounting surface being selectively disposed at a bottom of the insulative housing and/or the shielding housing The bottom portion, wherein the horizontal mounting surface is attached in parallel with the upper surface of the circuit board.