TWI683482B - Socket electrical connector - Google Patents

Abstract

A socket electrical connector includes an insulating housing, a first terminal seat, and a second terminal seat. The insulating housing is provided with a first fitting member. The first terminal seat is disposed inside the insulative housing, the first terminal seat is provided with a plurality of first elastic terminals and a second fitting member. The first terminal seat is correspondingly fixed to the first fitting member by the second fitting member. The second terminal seat is disposed inside the insulating housing, and the second terminal block is provided with a plurality of second elastic terminals. Thereby, the first terminal seat and the second terminal seat are not displaced or separated from the insulating housing by the elastic deformation of the first elastic terminals and the second elastic terminals, so as to avoid affecting the electrical characteristics of the connector.

Description

Socket electrical connector

The invention relates to an electrical connector, in particular to a socket electrical connector.

With the advancement of technology, the transmission between electronic products is becoming more and more frequent, and the connection between electronic products is mainly achieved through electrical connectors, because electrical connectors have plug-and-play and high transmission speed The convenience is therefore common in various electronic devices such as desktop computers, mobile computers, mobile communication devices or digital cameras.

A socket electrical connector known at present includes an organic shell, an upper base and a lower base, wherein the upper base and the lower base are arranged in the casing and stacked on each other, and the upper base is fixedly provided with a row of upper elastic terminals, The lower base is fixedly provided with a row of lower elastic terminals. When the plug is inserted from the casing, it can contact the upper and lower elastic terminals to achieve an electrical connection to transmit electronic signals. However, because the upper and lower rows of elastic terminals are elastic, after the plug is inserted, the upper and lower rows of elastic terminals will be forced to produce elastic deformation, which will drive the upper and lower bases to move relative to the chassis or Separation affects the electrical characteristics of the connector (such as contact resistance, insulation resistance, withstand voltage or electromagnetic interference, etc.) and cannot achieve the desired electrical connection effect.

In view of this, in an embodiment, a socket electrical connector is provided that includes an insulating housing, a first terminal base, and a second terminal base. The insulating housing includes a plug interface and opposing top and bottom walls. The top wall is provided with A first fitting piece, the first fitting piece includes a slot, the top wall has an inner surface, the slot It is recessed on the inner surface. The first terminal block is disposed inside the insulating case, the first terminal block is provided with a plurality of first elastic terminals and a second fitting, each first elastic terminal includes a first electrical contact end, a first welding end and a connection A first body section between the first electrical contact end and the first soldering end, the first body section is fixed to the first terminal block, the second fitting part includes an insertion block, and the first terminal block is inserted The block is correspondingly fitted and fixed in the slot on the top wall. The second terminal base is disposed inside the insulating housing, the second terminal base is provided with a plurality of second elastic terminals, each second elastic terminal includes a second electrical contact end, a second soldering end, and a second electrical contact end A second body section between the second soldering end and the second body section is fixed to the second terminal block, a plurality of second electrical contact ends and a plurality of first electrical contact ends are adjacent to the socket and maintain a distance .

In summary, according to the socket electrical connector of the embodiment of the present invention, the first fitting piece corresponding to the first fitting piece fixed on the top wall of the insulating housing through the first terminal block and the second fitting piece can make the plug electrical connector plug After the interface is inserted between the first electrical contact end and the second electrical contact end, the first terminal base and the second terminal base will not be insulated from the insulation due to the elastic deformation of the first elastic terminal and the second elastic terminal The housing is shifted or separated to avoid affecting the electrical characteristics of the connector (such as contact resistance, insulation resistance, voltage resistance or electromagnetic interference, etc.) and can meet the expected electrical connection effect.

1‧‧‧Socket electrical connector

2‧‧‧plug electrical connector

10‧‧‧Insulating shell

11‧‧‧Socket

12‧‧‧Top wall

121‧‧‧Inner surface

13‧‧‧Bottom wall

131‧‧‧The first combination

132‧‧‧Convex rib

14‧‧‧Sidewall

15‧‧‧First fitting

151, 151A, 151B ‧‧‧ slot

152‧‧‧Bottom opening

153‧‧‧Top

16‧‧‧ Assembly port

17‧‧‧ chamber

18‧‧‧Fixed Department

20‧‧‧First terminal block

21‧‧‧First flexible terminal

211‧‧‧First electrical contact

212‧‧‧The first body section

213‧‧‧First welding end

22‧‧‧front

23‧‧‧back

25‧‧‧Second fitting

251, 251A, 251B

252B‧‧‧Hook

30‧‧‧Second terminal block

31‧‧‧The second flexible terminal

311‧‧‧Second electrical contact

312‧‧‧Second body section

313‧‧‧Second welding end

40‧‧‧Fixed seat

41‧‧‧Assembly Department

411‧‧‧Combination

412‧‧‧groove

42‧‧‧Ground

50‧‧‧Housing

51‧‧‧Top board

52‧‧‧Side board

521‧‧‧pin

Fig. 1 is a perspective view of a first embodiment of an electrical socket connector of the present invention.

[FIG. 2] An exploded perspective view of a first embodiment of a socket electrical connector of the present invention.

[FIG. 3] Another exploded perspective view of the first embodiment of the socket electrical connector of the present invention.

[Fig. 4] A cross-sectional view of a first embodiment of a socket electrical connector of the present invention.

[FIG. 5] is a partially enlarged view of FIG. 4. [FIG.

6 is another cross-sectional view of the first embodiment of the electrical socket connector of the present invention.

7 is a plug-in schematic diagram of the first embodiment of the socket electrical connector of the present invention.

[Fig. 8] An exploded perspective view of a second embodiment of a socket electrical connector of the present invention.

9 is a cross-sectional view of a third embodiment of an electrical receptacle connector according to the present invention.

1 to 7 are the first embodiment of the socket electrical connector 1 of the present invention. As shown in FIGS. 1 to 7, the socket electrical connector 1 of this embodiment includes an insulating housing 10, a first terminal base 20, a second terminal base 30 and a fixing base 40, the first terminal base 20 and the second terminal base 30 and the fixing seat 40 are provided inside the insulating housing 10. In some embodiments, the socket electrical connector 1 may be disposed on a circuit board (omitted in the drawing) of an electronic product (such as a computer, digital camera, or mobile communication device, etc.) for the electrical connector 2 to dock And transmit electronic signals to each other.

In some embodiments, the insulating housing 10 may be made of an insulating material, for example, the insulating housing 10 may be, but not limited to, a hollow housing made of plastic or acrylic material. As shown in FIGS. 1 to 7, in this embodiment, the insulating housing 10 includes a top wall 12, a bottom wall 13 and two side walls 14. The two side walls 14 are connected to the two sides of the top wall 12 and the bottom wall 13 respectively. Around to form a chamber 17. The two ends of the insulating housing 10 are respectively provided with a plug interface 11 and an assembly port 16, the chamber 17 is connected between the plug interface 11 and the assembly port 16, wherein the plug interface 11 is used for inserting a plug electrical connector 2 for assembly The port 16 is used for parts to be loaded into the cavity 17 of the insulating housing 10 from the outside.

In some embodiments, the bottom of the bottom wall 13 of the insulating housing 10 is provided with a fixing portion 18 for fixing on the circuit board of the electronic product. As shown in FIG. 1 to FIG. 7, in this embodiment, the fixing portion 18 is at least one convex column protrudingly provided under the bottom wall 13 to be correspondingly inserted and fixed in the cavity of the circuit board (the illustration is omitted in this figure) ), so that the insulating housing 10 can be stably assembled on the circuit board.

In some embodiments, an outer casing 50 may be provided outside the insulating casing 10. The outer casing 50 is used to protect the insulating casing 10 from damage and enable the insulating casing 10 to be more stably assembled on the circuit board. As shown in FIGS. 1 to 7, in this embodiment, the housing 50 is formed by bending a thin metal plate. The housing 50 includes a top plate 51 and two side plates 52 that are bent and extended from both sides of the top plate 51. The top plate 51 It can abut against the top wall 12 of the insulating housing 10, and the two side plates 52 are assembled and fixed to the two side walls 14 of the insulating housing 10, for example, the two side plates 52 can be pressed, fitted, glued or snapped by heat, etc.方式组合固定于二壁边14。 The way is fixed to the two side walls 14. In addition, the bottom of each side plate 52 may extend downwardly with a pin 521, which is used to insert and fix the circuit board, and the top plate 51 of the housing 50 can be pressed against the top wall 12 of the insulating housing 10, thereby insulating The casing 10 can be more stably assembled on the circuit board.

As shown in FIGS. 1 to 7, the first terminal base 20 is disposed inside the insulating housing 10, and the first terminal base 20 is provided with a plurality of first elastic terminals 21. In this embodiment, the first terminal block 20 may be made of an insulating material and disposed above the cavity 17 inside the insulating housing 10 and adjacent to the top wall 12. A plurality of first elastic terminals 21 are arranged and arranged on the first terminal base 20. In this embodiment, each first elastic terminal 21 is a strip made of a conductive material (such as metal) and has elastic deformation characteristics. Each first elastic terminal 21 includes a first electrical contact end 211, a first welding end 213, and a first body section 212 connected between the first electrical contact end 211 and the first welding end 213. In some embodiments, a plurality of first elastic terminals 21 may be formed on the first terminal base 20 by means of Insert Moulding, and the first body section 212 constituting each first elastic terminal 21 is fixed to The first terminal block 20, the first electrical contact end 211 extends to the socket 11 adjacent to the insulating housing 10, and the first soldering end 213 extends out of the assembly port 16 for soldering and fixing on the circuit board of the electronic device (FIG. (The drawing is omitted). In other embodiments, the plurality of first elastic terminals 21 may also be inserted or injection molded. This embodiment is not limited to the first terminal block 20.

As shown in FIGS. 1 to 7, the second terminal base 30 is also disposed inside the insulating housing 10 and stacked with the first terminal base 20, and the second terminal base 30 is provided with a plurality of second elastic terminals 31. In this embodiment, the second terminal block 30 may be made of an insulating material and disposed under the cavity 17 inside the insulating housing 10 to be adjacent to the bottom wall 13. The plurality of second elastic terminals 31 are arranged in a row on the second terminal base 30 and are arranged in parallel with the plurality of first elastic terminals 21 in a single row. In this embodiment, each second elastic terminal 31 may be a strip made of a conductive material (such as metal) with elastically deformable characteristics, and each second elastic terminal 31 includes a second electrical contact end 311 , A second welding end 313 and a second body section 312 connected between the second electrical contact end 311 and the second welding end 313. In some embodiments, a plurality of second elastic terminals 31 may be formed on the second terminal base 30 by means of Insert Moulding, and the second body section 312 constituting each second elastic terminal 31 is fixed to The second terminal block 30, the second electrical contact end 311 extends to the socket 11 adjacent to the insulating housing 10, and the plurality of second electrical contact ends 311 respectively correspond to the plurality of first electrical contact ends 211 and hold The second soldering end 313 extends out of the assembly port 16 for soldering and fixing on the circuit board of the electronic device (the illustration is omitted). In other embodiments, the plurality of second elastic terminals 31 may also be formed on the second terminal base 30 by insertion or injection molding, which is not limited in this embodiment.

In some embodiments, the fixing base 40 may be made of an insulating material and disposed inside the insulating housing 10, and a grounding plate 42 may be provided outside the fixing base 40. As shown in FIGS. 1 to 7, in this embodiment, the grounding plate 42 is formed by bending a thin metal plate and fixed to the outer surface of the fixing base 40. The fixed base 40 and the grounding plate 42 can be sandwiched between the first terminal base 20 and the second terminal base 30 after being combined, wherein the first terminal base 20, the second terminal base 30 and the fixed base 40 can be assembled with each other Fixing, for example, by heat pressing, fitting, bonding or snapping.

As shown in FIGS. 1 to 7, the top wall 12 of the insulating housing 10 is further provided with a first fitting member 15, and the first terminal holder 20 is further provided with a second fitting member 25. The two fitting pieces 25 are correspondingly fitted and fixed to the first fitting piece 15 of the top wall 12, so that the insulating housing 10 and the first terminal block 20 are firmly combined with each other to prevent the first terminal block 20 from shifting or The case where the insulating case 10 is separated. The first fitting member 15 and the second fitting member 25 can have many different embodiments, which will be described below in conjunction with the drawings.

As shown in FIGS. 3 to 6, in this embodiment, the first fitting member 15 includes a plurality of slots 151 (in this case, four slots 151, but may also be one or more than two) and is arranged concavely Located on the inner surface 121 of the top wall 12, each slot 151 is close to the assembly port 16 of the insulating housing 10, and one end of the slot 151 extends to the assembly port 16, in some embodiments, the slot 151 can be machined In the same way, such as turning, grinding or injection moulding. The second fitting member 25 includes a plurality of inserting blocks 251 corresponding to the shape of the slot 151 (in this case, four inserting blocks 251, but may also be one or more than two), each inserting block 251 is arranged convexly The first terminal block 20 is disposed on the surface close to the top wall 12. In some embodiments, the insertion block 251 can also be formed by machining, such as turning, grinding, or injection molding. In this way, when assembling, the operator can put the first terminal block 20 into the insulating housing 10 through the assembly port 16 of the insulating housing 10 and insert the corresponding inserting blocks 251 into the corresponding slots 151, The insulating housing 10 and the first terminal block 20 are combined and fixed to each other.

As shown in FIGS. 4 and 5, in this embodiment, the cross section of the slot 151 may include a bottom opening 152 and a top 153. The bottom opening 152 is close to the bottom wall 13 relative to the top 153, and the width of the bottom opening 152 is smaller than the top The width of 153, that is to say, the cross section of the slot 151 is narrower and lower Wide type. The cross section of the insert block 251 corresponds to the cross section of the slot 151 to be fitted with each other, for example, in this example, the cross section of the insert block 251 and the slot 151 are dovetail shaped to match each other, so that the insert block After being inserted into the slot 151 correspondingly, the 251 can prevent the first terminal base 20 from moving toward the bottom wall 13 of the insulating housing 10 to be separated from the insulating housing 10 when an external force is received, but this embodiment is not limited. In other embodiments, the cross-sections of the insertion block 251 and the slot 151 may also be T-shaped, L-shaped, Y-shaped, or other irregular shapes that cooperate with each other. For example, as shown in FIG. 8, it is a socket electrical connector An exploded perspective view of the second embodiment. In this embodiment, the cross-sections of the insertion block 251A and the slot 151A are T-shaped to match with each other, and are also narrower and wider than the upper. After being inserted into the slot 151A, the first terminal block 20 is prevented from moving toward the bottom wall 13 and being separated from the insulating housing 10 when an external force is received.

Specifically, please refer to FIG. 6 and FIG. 7, when the plug electrical connector 2 is inserted into the cavity 17 of the receptacle electrical connector 1 from the plug interface 11 and interferes with the plurality of first elastic terminals 21 Between the electrical contact end 211 and the plurality of second electrical contact ends 311 of the plurality of second elastic terminals 31, each of the first electrical contact ends 211 is forced to move toward the top wall 12 and then pull each first A main body section 212 is elastically deformed, for example, each first main body section 212 is bent toward the bottom wall 13. Similarly, the plurality of second electrical contact ends 311 will also be forced to move toward the bottom wall 13, thereby pulling each second body section 312 to generate elastic deformation, for example, each second body section 312 will face the top wall 12 The direction is curved. At this time, since the first terminal base 20 is correspondingly fitted and fixed to the plurality of slots 151 of the top wall 12 with a plurality of inserting blocks 251, the first terminal base 20 and the insulating housing 10 are firmly combined with each other. Therefore, the first The terminal block 20 is not displaced by the elastic deformation of each first body section 212 toward the bottom wall 13 and is separated from the insulating housing 10 to maintain the first terminal block 20 at a predetermined position. The position of the terminal block 20 can be maintained so that the first terminal block 20 The second terminal block 30 can be further pressed down, thereby preventing the second terminal block 30 from being displaced toward the top wall 12 by the elastic deformation of each second body section 312 and being separated from the insulating housing 10, thereby being able to It can effectively avoid affecting the electrical characteristics of the connector (such as contact resistance, insulation resistance, voltage resistance or electromagnetic interference, etc.), and can meet the expected electrical connection effect to improve the quality of the product.

In some embodiments, the insertion block 251 and the slot 151 can also be fitted and fixed to each other through a tight fit. For example, the cross section of the insertion block 251 and the slot 151 can have a corresponding shape, such as square or The shape of the rectangle is equal to the upper and lower equal widths, and the minimum tolerance size of the insertion block 251 is greater than the maximum tolerance size of the slot 151 and can be closely matched with each other, to avoid the displacement of the insertion block 251 relative to the slot 151, and also to avoid the first The terminal base 20 and the second terminal base 30 are displaced or separated relative to the insulating housing 10 due to the elastic deformation of the first elastic terminal 21 and the second elastic terminal 31, and illustration is omitted in this embodiment.

Referring to FIGS. 3, 6 and 7 again, in this embodiment, the first terminal block 20 includes an opposite front side 22 and a rear side 23, and the front side 22 is closer to the socket of the insulating housing 10 relative to the rear side 23 11. The position of the second fitting 25 is preferably adjacent to the rear side 23. Specifically, when each first electrical contact end 211 of each first elastic terminal 21 receives a force toward the top wall 12 and pulls each first body section 212 to elastically deform, the first terminal base 20 The front side 22 will form a fulcrum, so the closer the first body section 212 is to the area of the rear side 23 of the first terminal block 20, the greater the displacement. Therefore, the closer the second fitting 25 of the first terminal block 20 is The rear side 23 can more effectively prevent the first terminal base 20 from being displaced toward the bottom wall 13 by the elastic deformation of each first body section 212.

As shown in FIG. 9, it is a cross-sectional view of the third embodiment of the socket electrical connector of the present invention. The difference between this embodiment and the above-mentioned first and second embodiments lies in that 251B is an L-shaped block protruding on the surface of the first terminal block 20, and the insertion block 251B has a hook portion 252B at the top, and the hook portion 252B extends toward the insertion interface 11 of the insulating housing 10, and the slot 151B Located in the insulating housing 10, and the opening direction of the slot 151B is toward the assembly port 16, so that when the first terminal block 20 is placed, the hook portion 252B of the insertion block 251B can be correspondingly inserted into the slot 151B and hooked The top wall 12 of the insulating housing 10 allows the first terminal block 20 to be firmly combined with the insulating housing 10 and avoid separation.

In some embodiments, the fixing base 40 may be further connected to the bottom wall 13 of the insulating housing 10 to more effectively prevent the second terminal base 30 from being elastically deformed by the second body sections 312 of the second elastic terminals 31 Driven by the, it moves toward the top wall 12 and separates from the insulating housing 10. As shown in FIGS. 3, 6 and 7, in this embodiment, the bottom wall 13 of the insulating housing 10 is provided with a first coupling member 131 on the side away from the socket 11, and the first coupling member 131 includes at least one protrusion Rib 132. The fixing seat 40 further extends downward a set of connecting portions 41, wherein the connecting portion 41 is a block extending toward the bottom wall 13, the connecting portion 41 is provided with a second coupling member 411, and the second coupling member 411 includes at least one The grooves 412, and the opening direction of each groove 412 faces the socket 11. The protruding ribs 132 provided on the bottom wall 13 of the insulating housing 10 are correspondingly inserted into the grooves 412 of the fixing base 40 to be firmly combined with each other. In this way, the second terminal base 30 can be clamped between the bottom wall 13 and the fixing base 40, so as to further avoid the elastic deformation and separation of each second body section 312. In detail, since the insulating housing 10 is fixed on the circuit board of the electronic product (the illustration is omitted), and the bottom wall 13 of the insulating housing 10 is connected and fixed to the fixing seat 40, so that the fixing seat 40 can be positioned, and The second terminal base 30 sandwiched between the bottom wall 13 and the fixing base 40 can also obtain a stable fixing position, effectively preventing the second terminal base 30 from being easily displaced by force.

In summary, relative to the known technology, the socket of the embodiment of the present invention is electrically connected The connector 1 is inserted into the first fitting 15 fixed to the top wall 12 of the insulating housing 10 through the first terminal block 20 and the second fitting 25, so that the plug electrical connector 2 can be inserted into and resisted by the socket 11 After the first electrical contact end 211 and the second electrical contact end 311, the first terminal base 20 and the second terminal base 30 will not be opposed due to the elastic deformation of the first elastic terminal 21 and the second elastic terminal 31 The displacement or separation of the insulating housing 10 can avoid affecting the electrical characteristics of the connector (such as contact resistance, insulation resistance, withstand voltage or electromagnetic interference, etc.) and can meet the expected electrical connection effect.

Although the technical content of the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Anyone who is familiar with this art and makes some changes and retouching without departing from the spirit of the present invention should be covered in the present invention. The scope of protection of the present invention shall be subject to the scope of the attached patent application.

1‧‧‧Socket electrical connector

10‧‧‧Insulating shell

12‧‧‧Top wall

121‧‧‧Inner surface

131‧‧‧The first combination

132‧‧‧Convex rib

14‧‧‧Sidewall

15‧‧‧First fitting

151‧‧‧slot

16‧‧‧ Assembly port

18‧‧‧Fixed Department

20‧‧‧First terminal block

21‧‧‧First flexible terminal

22‧‧‧front

23‧‧‧back

25‧‧‧Second fitting

251‧‧‧Embedded block

30‧‧‧Second terminal block

31‧‧‧The second flexible terminal

40‧‧‧Fixed seat

41‧‧‧Assembly Department

50‧‧‧Housing

51‧‧‧Top board

52‧‧‧Side board

521‧‧‧pin

Claims (9)

A socket electrical connector includes: an insulating housing, including a plug interface and an opposite top wall and a bottom wall, wherein the top wall is provided with a first fitting, the first fitting includes a slot , The top wall has an inner surface, the slot is concavely disposed on the inner surface; a first terminal block is disposed inside the insulating housing, the first terminal block is provided with a plurality of first elastic terminals and a first Two fitting pieces, each of the first elastic terminals includes a first electrical contact end, a first welding end, and a first body region connected between the first electrical contact end and the first welding end Segment, the first body section is fixed to the first terminal block, the second fitting includes an inserting block, and the first terminal block is correspondingly fitted and fixed to the plug of the top wall with the inserting block In the slot; and a second terminal block, disposed inside the insulating housing, the second terminal block is provided with a plurality of second elastic terminals, each of the second elastic terminals includes a second electrical contact end, a second A welding end and a second body section connected between the second electrical contact end and the second welding end, the second body section is fixed to the second terminal block, and the second electrical contact ends The first electrical contact ends are adjacent to the plug interface and maintain a spacing. The electrical socket connector according to claim 1, wherein the insulating housing includes an assembly port relative to the socket, and the slot extends to the assembly port. The electrical socket connector according to claim 2, wherein the cross section of the slot includes a bottom opening and a top, the bottom opening is close to the bottom wall relative to the top, and the width of the bottom opening is smaller than the width of the top . The electrical socket connector according to claim 3, wherein the cross section of the slot and the inserting block is dovetail-shaped. The electrical socket connector according to claim 3, wherein the cross section of the slot and the insert block is T-shaped. The electrical socket connector as claimed in claim 1, wherein the first terminal block includes a front side and a rear side opposite to each other, the front side is close to the plug interface relative to the rear side, and the second fitting is adjacent to the Rear side. The electrical socket connector according to claim 1, further comprising a fixing seat, the fixing seat is fixed between the first terminal seat and the second terminal seat, and the fixing seat is connected to the insulating housing Bottom wall. The electrical socket connector according to claim 7, wherein a side of the bottom wall away from the socket is provided with a first coupling member, and the fixing base further extends a set of connecting portions, the set connecting portion is provided with a first Two coupling members, the first coupling member is correspondingly coupled to the second coupling member. The electrical socket connector according to claim 8, wherein the first coupling member includes at least one rib, the second coupling member includes at least one groove, and the at least one rib is correspondingly inserted into the at least one groove in.

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