TWI458191B - Electrical connector - Google Patents

Description

Electrical connector and combination thereof

The present invention relates to an electrical connector and combinations thereof, and more particularly to an electrical connector with signal transmission and combinations thereof.

Electrical connectors are commonly used in electronic products to achieve electrical connections between electronic components and circuit boards disposed within electronic products. Conventional electrical connectors are generally soldered to a circuit board. The electrical connector generally includes an insulative housing and a conductive terminal received between the insulative housing. The insulative housing is provided with a receiving cavity for accommodating electronic components. The conductive terminal generally includes a holding portion that is retained in the insulating body, a contact portion that extends from the retaining portion into the receiving cavity, and a self-holding portion that extends out of the insulating body. . The soldering portion is typically soldered to a circuit board. However, with the development trend of light, thin, short and small electronic products, the design requirements for conductive terminals are becoming stricter, and the structure tends to be simplistic while satisfying sufficient holding power and contact force. In particular, when the contact portion of the conductive terminal needs to be divided into two rows in the front and rear in the receiving cavity, and the soldering portion needs to extend out from the front end of the insulating body, the conductive terminal located in the rear row needs to bypass the front row of the conductive terminal to extend out of the insulating body, The structure is more complicated, which is not conducive to simplistic design and cost reduction.

Therefore, in view of the above problems, it is necessary to redesign a new type of electrical connector to overcome the above drawbacks.

The technical problem to be solved by the present invention is to provide a simplified electrical connector and a combination thereof.

In order to solve the above technical problem, the electrical connector of the present invention may adopt the following technical solution: an electrical connector comprising an insulative body formed with a slot and a plurality of elastic terminals, one end of the slot forming an insertion opening, the elasticity The terminal includes a holding portion held in the insulating body, an elastic contact portion extending from the holding portion into the slot, and a soldering portion extending from the holding portion outside the insulating body; the insulating body is provided with a reserved connection with the slot The cavity, the elastic contact portions are laterally arranged in a row parallel to the insertion opening, and the reserved cavity is laterally disposed and sandwiched between the elastic contact portion and the insertion opening.

Compared with the prior art, the electrical connector of the present invention has the following effects: the insulative housing is provided with a reserved cavity communicating with the slot for receiving a conductive portion of a circuit board, and the conductive portion is directly exposed to the slot. The conductive terminals of the electrical connector simplify the structure of the electrical connector.

In order to solve the above technical problem, the electrical connector assembly of the present invention may adopt the following technical solution: an electrical connector assembly including an electrical connector and a circuit board, the electrical connector including an insulating body provided with a slot and being held by a plurality of elastic terminals in the insulating body, the elastic terminal includes a holding portion fixed to the insulating body, an elastic contact portion extending from the retaining portion into the slot, and a soldering portion extending from the retaining portion outside the insulating body; the circuit board Including a notch and an extension extending into the notch, the extension is provided with a plurality of conductive portions, the soldering portion is soldered to the circuit board; the insulating body is provided with a reserved cavity communicating with the slot, the electric The connector is mounted within the recess, the extension being disposed within the recess, the conductive portion being exposed within the socket to serve as a conductive terminal of the electrical connector.

Compared with the prior art, the electrical connector assembly of the present invention has the following effects: the conductive The portion is exposed in the socket to serve as a conductive terminal of the electrical connector, which simplifies the structure of the electrical connector, and the electrical connector is disposed in the gap of the circuit board to reduce the height of the electrical connector on the circuit board.

100‧‧‧Electrical connector

1‧‧‧Insulating body

11‧‧‧ base

111‧‧‧ inner wall

112‧‧‧ bottom wall

113‧‧‧ Reserved cavity

114‧‧‧ Reception trough

1141‧‧‧ openings

115‧‧‧ guiding slot

1151‧‧‧Sloping guide surface

116‧‧‧ front end

12‧‧‧ first side

121‧‧‧ accommodating slots

122‧‧‧Positioning column

13‧‧‧ second side

14‧‧‧Slots

141‧‧‧ insertion port

2‧‧‧Flexible terminals

21‧‧‧ Holding Department

22‧‧‧Flexible contact

23‧‧‧Weld Department

24‧‧‧Limited

3‧‧‧Retirement agency

31‧‧‧ Slider

311‧‧‧Pushing Department

312‧‧‧heart slot

313‧‧‧Opening

32‧‧‧guides

33‧‧‧ Spring

4‧‧‧Shaded housing

41‧‧‧ Main body

411‧‧‧First arm

412‧‧‧Second arm

42‧‧‧ first side

421‧‧‧Steps

422‧‧‧ soldering feet

423‧‧‧ Notch

43‧‧‧ second side

431‧‧‧Steps

432‧‧‧ soldering feet

433‧‧‧ notch

200‧‧‧ boards

201‧‧‧ gap

202‧‧‧Extension

203‧‧‧closed area

2031‧‧‧First along

2032‧‧‧second edge

204‧‧‧Open area

205‧‧‧Electrical Department

206‧‧‧Perforation

15‧‧‧ erection department

The first drawing is a perspective view of the electrical connector assembly of the present invention; the second drawing is a perspective view of the electrical connector and the circuit board of the present invention; the third drawing is a perspective view of another angle of the first figure; A perspective view of another angle; the fifth figure is a partially exploded perspective view of the shielded housing of the first figure; the sixth figure is an exploded perspective view of the first figure; and the seventh figure is another angle of the sixth figure. The three-dimensional exploded view; the eighth figure is a cross-sectional view of the first figure along the line VIII-VIII.

Specific embodiments of the electrical connector of the present invention and combinations thereof will be described in detail below with reference to the accompanying drawings.

Referring to the first, second and sixth figures, the electrical connector 100 of the present invention is mounted on the circuit board 200 for insertion of an electronic card (not shown). The electrical connector 100 includes an insulative housing 1 , an elastic terminal 2 fixed to the insulative housing 1 , a card ejection mechanism 3 assembled to the insulative housing 1 , and a shielding housing 4 covering the insulative housing 1 .

Referring to the first to seventh figures, the insulative housing 1 has a substantially square shape, and includes a base portion 11 and a first side portion 12 and a second side portion 13 extending upward from opposite sides of the base portion 11 respectively. The base portion 11 , the first side portion 12 and the second side portion 13 are collectively arranged as a slot 14 . Place The slot 14 is defined as extending forward and backward, and an insertion port 141 for inserting an electronic card is formed at the rear end of the slot 14, that is, the direction in which the electronic card is inserted is from the back to the front. The base 11 includes an inner wall 111 located within the slot 14 and a bottom wall 112 disposed opposite the inner wall 111. The base portion 11 is provided with a reserved cavity 113 that penetrates from the inner wall 111 to the bottom wall 112. The reserved cavity 113 is located substantially at an intermediate position in the front-rear direction of the base portion 11, and is formed in a through-hole shape through the base portion 11 in the vertical direction, and penetrates the bottom wall 112 in the left-right direction perpendicular to the front-rear direction on the bottom wall 112. The inner wall 111 has a receiving groove 114 and a guiding groove 115. The guiding groove 115 extends from the reserved cavity 113 to the insertion opening 141. The guiding groove 115 is provided with a tilting guide adjacent to the reserved cavity 113. Face 1151. The receiving slot 114 is recessed from the reserved cavity 113 on the other side of the guiding slot 115 and extends forward until the front end surface 116 of the base portion 11 is formed. The rear end of the receiving slot 114 is connected to the reserved cavity 113. The opening 1141. The reserved cavity 113 extends to the first side portion 12 and the second side portion 13 , and forms an erecting portion 15 on the first side portion 12 and the second side portion 13 . The erecting portion 15 is disposed above the bottom wall 112 . .

The elastic terminal 2 is disposed in the receiving slot 114. The elastic terminal 2 includes a retaining portion 21 that is retained in the receiving slot 114, and an elastic contact portion 22 that extends rearwardly from the retaining portion 21 into the slot 14. The holding portion 21 extends forward from the welded portion 23 of the front end surface 116. The free end of the elastic contact portion 22 is provided with a limiting portion 24 that is limited to the opening 1141. The elastic contact portion 22 is adjacent to the reserved cavity 113. The welded portion 23 is formed with a welding surface higher than the bottom wall 112. The elastic contact portions 22 are laterally arranged in a row parallel to the insertion opening 141, and the reserved cavity 113 is laterally disposed and interposed between the elastic contact portion 22 and the insertion opening 141.

The first side portion 12 defines a receiving slot 121 that communicates with the slot 14 . The card ejecting mechanism 3 is received in the receiving slot 121 . The card ejecting mechanism 3 is included in the receiving slot 121. The sliding slider 31, the guide bar 32 that positions the slider 31, and the elastic member that drives the slider 31 (the spring 33 in the present embodiment). One side of the slider 31 is provided with an urging portion 311 protruding into the slot 14. The slider 31 is concavely provided with a core groove 312 on the upper surface, and an opening 313 is recessed in the lower surface. One end of the guiding rod 32 is positioned on the first side portion 12 and the other end is positioned in the heart shaped groove 312. The front end of the first side portion 12 is provided with a positioning post 122 protruding into the receiving groove 121. The spring 33 is sleeved on the positioning post 122 and the other end is received in the opening 313.

The shielding case 4 includes a main body portion 41 and a first side portion 42 and a second side portion 43 which are respectively bent and extended from two sides of the main body portion 41. The main body portion 41 is located on the upper side of the base portion 11 and the slot 14 is disposed between the main body portion 41 and the base portion 11. The first side portion 42 is fixed to the first side portion 12 and is bent with a step portion 421 adjacent to the insertion opening and parallel to the main body portion 41. The second side portion 43 is fixed to the second side portion 13 and is bent with a step portion 431 adjacent to the insertion opening and parallel to the main body portion 41. The step portions 421 and 431 are located on opposite sides of the insertion opening 141 and are oppositely disposed. The step portions 421, 431 can abut against the circuit board 200 and be disposed above the bottom wall 112 of the insulative housing. The step portions 421 and 431 are located at the same height as the mounting portion 15 . The step portions 421, 431 are bent and extended to be inserted into the soldering legs 422, 432 of the circuit board. The first side portion 42 and the second side portion 43 respectively define notches 423, 433 corresponding to the reserved cavity 113 of the insulative housing 1. The main body portion 41 extends into the slot 14 with a first elastic arm 411 for holding an electronic card inserted into the slot 14 to increase the holding force. The main body portion 41 has a second elastic arm 412 extending in the accommodating groove 121 to hold the guide bar 32 of the card ejecting mechanism 3, thereby ensuring stable movement of the card ejecting mechanism 3.

The circuit board 200 is provided with a notch 201 at an edge thereof, and an extension portion 202 extends in the notch 201. The extension portion has a beam portion spanning the notch 201, and the extension portion 202 The notch 201 is divided into a peripheral continuous closed area 203 and an open area 204 open on one side. A plurality of conductive portions 205 are arranged on the extending portion 202, and the conductive portions 205 have a total of five sheets and are offset toward one side. The circuit board 200 is recessed with a through hole 206 adjacent to both sides of the open area 204. The circuit board 200 is also arranged with a conductive sheet (not shown) adjacent to the front edge of the closed portion 203 with respect to the extending portion 202, and the leading edge is divided into a first edge 2031 and a second edge 2032 which are not in a straight line. The conductive sheet is disposed on the circuit board 200 adjacent to the first edge 2031, and the second edge 2032 is recessed from the first edge 2031.

Referring to the first to fourth and eighth figures, the electrical connector 100 is for mounting to a circuit board 200 having a notch 201 having an extension 202 extending into the notch 201, the extension 202 A plurality of conductive portions 205 are disposed on the upper portion. The electrical connector 100 is placed in the notch 201 and is mounted on the extension portion 202 . The mounting portion 15 abuts the extension portion 202 . The soldering portion 23 of the elastic terminal 2 is in contact with the conductive sheet of the circuit board 200; the extending portion 202 is received in the reserved cavity 113 and exposed in the slot 14; the soldering legs 422, 432 of the shielding housing 4 are interposed Within the perforations 206 of the circuit board 200. The first side portion 12 of the insulative housing 1 protrudes from the front end surface 116. The front end surface 116 is disposed corresponding to the first edge 2031, and the first side portion 12 extends to the second edge 2032. A part of the electrical connector 100 is located in the notch 201 to sink the electrical connector 100, which can reduce the height of the electrical connector 100 on the circuit board 200, and is advantageous for miniaturization of an electronic product (not shown). The conductive portion 205 of the extension portion 202 is exposed in the slot 14 and serves as a set of elastic terminals 2 of the electrical connector 100. The conductive portion 205 is disposed in one-to-one correspondence with the guiding slot 115. When the electronic card having the elastic conductive portion is inserted into the slot 14, it is guided along the guiding groove 115 and guided through the inclined guiding surface 1151 to make electrical contact with the conductive portion 205. The insulative housing 1 is formed with a slot 14 and a reserved cavity 113 communicating with the slot 14. The electrical connector 100 is mounted in the notch 201, and the extension portion 202 is disposed in the reserved cavity 113. The conductive portion 205 is exposed in the slot 14 , and the elastic contact portion 22 of the elastic terminal 2 is disposed in front and rear with the conductive portion 205 , and the conductive portion 205 serves as another row of conductive terminals of the electrical connector 100 . The structure of the terminal is greatly simplified, and the problem that the structure of the rear terminal is too complicated in the prior art is solved, especially when the sinking type is set, the simplification effect is more obvious, and the cost is reduced.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above-mentioned embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make equivalent modifications or variations in accordance with the spirit of the present invention. It should be covered by the following patent application.

100‧‧‧Electrical connector

1‧‧‧Insulating body

14‧‧‧Slots

141‧‧‧ insertion port

21‧‧‧ Holding Department

22‧‧‧Flexible contact

23‧‧‧Weld Department

24‧‧‧Limited

4‧‧‧Shaded housing

200‧‧‧ boards

201‧‧‧ gap

202‧‧‧Extension

205‧‧‧Electrical Department

113‧‧‧ Reserved cavity

Claims (9)

An electrical connector includes: an insulative housing formed with a slot, one end of the slot forming an insertion port; and a plurality of conductive terminals including a holding portion held in the insulating body and extending into the slot from the holding portion The elastic contact portion and the self-holding portion extend out of the welded portion outside the insulating body; wherein the insulating body is provided with a reserved cavity communicating with the slot and an inner wall disposed in the slot, the elastic contact portion laterally Arranging a row parallel to the insertion opening, the reserved cavity is disposed laterally and sandwiched between the elastic contact portion and the insertion opening, and the inner wall is recessed with a guiding groove extending from the reserved cavity to the insertion opening, An inclined guiding surface adjacent to the reserved cavity is disposed in the guiding groove. The electrical connector of claim 1, wherein the insulative housing comprises a base portion and a first side portion and a second side portion extending from both sides of the base portion, the slot being provided by the base portion, the first side portion, and a second side portion is formed, the inner wall is formed on the base portion and the base portion includes a bottom wall opposite to the inner wall, the reserved cavity extends from the inner wall to the bottom wall, and the reserved cavity extends to the first The side portion and the second side portion form an erecting portion on the first side portion and the second side portion, and the erecting portion is disposed higher than the bottom wall. The electrical connector of claim 2, wherein the inner wall is recessed from the reserved cavity with respect to the other side of the guiding groove to receive the receiving slot of the elastic terminal. The electrical connector of claim 2, wherein the first side portion is recessed with a receiving groove communicating with the slot, and the electrical connector further comprises an assembly groove. The card ejecting mechanism includes a slider that slides in the receiving slot, a guiding rod that positions the relative position of the slider, and an elastic member that drives the slider, and the slider is provided with a protruding protrusion into the slot. Pushing part. The electrical connector of claim 2, further comprising a shielding shell covering the insulative housing, the slot being disposed between the shielding housing and the insulative housing, The shielding shell is provided with a recess corresponding to the reserved cavity, and the two sides of the shielding shell are bent with a step portion, the step portion is at the same height as the mounting portion, and the step portion is bent to extend the soldering leg. An electrical connector assembly includes an electrical connector including an insulative housing having a slot and a plurality of resilient terminals retained in the insulative housing, the resilient terminal including a retaining portion retained in the insulative housing and extending from the retaining portion The elastic contact portion and the self-holding portion of the insertion slot extend out of the welded portion outside the insulating body; the circuit board includes a notch and an extending portion extending into the notch, and the extending portion is provided with a plurality of conductive portions, the welding Soldering on the circuit board; wherein the insulative housing is provided with a reserved cavity communicating with the slot, the electrical connector is mounted in the notch, the extension is disposed in the reserved cavity, and the conductive portion is exposed The insulative housing includes a base portion, the insulative housing includes a base portion, the reserved cavity extends through the base portion, the extension portion is disposed in the notch in a beam portion, and the insulative housing is provided to extend against the extension The erection department on the department. The electrical connector assembly of claim 6, wherein the conductive portion is offset from one side of the extension portion and has a flat shape, the extension portion spans the notch, and the extension portion divides the notch into four consecutive portions. An enclosed area and an open area open on one side, the front edge of the closed area away from the extension includes a first edge and a second edge recessed from the first edge. The electrical connector assembly of claim 7, wherein the base is recessed from the reserved cavity to a receiving groove for receiving the elastic terminal, and the base is recessed from the reserved cavity to the rear. The slot is provided with an insertion opening that opens in the same direction as the notch, and the guide groove extends through the insertion opening and is provided with an inclined guiding surface. The electrical connector assembly of claim 8, wherein the electrical connector further comprises a card ejecting mechanism disposed on one side of the slot and a shielding housing covering the upper side of the base, the card ejecting mechanism being provided The ejector portion protrudes into the slot, the shielding shell is provided with a recess corresponding to the reserved cavity, and a step portion abutting against the circuit board is bent at the adjacent insertion opening, and the step portion is bent and inserted to The soldering feet of the board.