TWI596838B - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector having a detecting function.

Taiwan's new patent publication No. M391737 discloses an electrical connector comprising an insulative housing, a plurality of conductive terminals received in the insulative housing, and a metal housing covering the insulative housing, the metal housing surrounding the insulative body forming forward The insulative housing includes a base portion and a mating tongue extending from the base portion into the mating cavity, the conductive terminal includes a control terminal, the control terminal has a welded end at one end and an elastic pressing force at the other end The part protrudes from the docking chamber. During use, the docking connector continuously presses and pushes the control terminal of the electrical connector to be outwardly offset. As the number of plugging times increases, the control terminal is easily deformed, so that the electrical connection is made. The life of the device is short.

Therefore, it is necessary to provide an electrical connector having an improved structure to overcome the above drawbacks.

The main object of the present invention is to provide an electrical connector that has a long service life.

In order to achieve the above object, the present invention adopts the following technical solutions: an electrical connector includes an insulative housing, a conductive terminal received in the insulative housing, a detecting terminal, and a metal housing covering the insulative housing, the insulative housing includes a base and a tongue extending forward from the base, the metal casing surrounding the tongue plate forming a receiving cavity that is open to the front, and the conductive terminal is provided with a contact portion exposed in the receiving cavity, the metal casing being provided to be in contact with the detecting terminal or The elastic contact portion that is broken to achieve the detection function.

Compared with the prior art, the electrical connector of the present invention has at least the following effects: the detecting terminal is located in the receiving groove but does not protrude into the receiving cavity, so that the detecting terminal is effectively protected by the insulating body, and is not easily deformed, and the electrical connector is Long service life.

100‧‧‧Electrical connector

A‧‧‧ highest point

1‧‧‧Insulating body

10‧‧‧ containment chamber

11‧‧‧ base

111‧‧‧ accommodating slots

1111‧‧‧Detection chamber

112‧‧‧Let the slot

12‧‧ ‧ tongue

13‧‧‧First insulator

14‧‧‧Second insulator

141‧‧‧fixed slot

142‧‧‧ side wall

143‧‧‧ Back wall

144‧‧‧Fixed column

2‧‧‧Electrical terminals

20‧‧‧First Terminal Module

201‧‧‧Contacts

202‧‧‧welding feet

21‧‧‧First terminal

22‧‧‧second terminal

3‧‧‧Metal casing

30‧‧‧Flexible contact

301‧‧‧Flexible arm

302‧‧‧Bend section

303‧‧‧Apartment

304‧‧‧Resistance Department

305‧‧‧Department

306‧‧‧ Pulling Department

31‧‧‧Metal frame

311‧‧‧First fixed gap

312‧‧‧Second fixed gap

32‧‧‧Second metal parts

321‧‧‧ positioning slot

322‧‧‧ pins

33‧‧‧ openings

331‧‧‧ first opening

332‧‧‧ second opening

34‧‧‧Fixed Department

341‧‧‧Card Firmware

35‧‧‧ card slot

36‧‧‧Positioning lugs

37‧‧‧Danger Prevention Department

371‧‧‧Resistance

372‧‧‧Connecting Department

4‧‧‧ Fixed seat

40‧‧‧Second terminal module

41‧‧‧ Main body

411‧‧‧First fixing hole

412‧‧‧Second fixing hole

413‧‧‧ secondary wall

42‧‧‧Back cover

5‧‧‧Detection terminal

51‧‧‧Detection Department

511‧‧‧Detection section

5111‧‧‧Protruding

512‧‧‧sloping section

513‧‧‧ Connection section

52‧‧‧ Holding Department

521‧‧‧Keeping Department

53‧‧‧Connecting Department

6‧‧‧First metal parts

1112‧‧‧Active cavity

1 is a perspective view of an electrical connector according to a first embodiment of the present invention; a second view is a perspective view of another electrical connector shown in FIG. 1; and a third perspective view is a partial perspective view of the electrical connector shown in FIG. 4 is a partial exploded perspective view of the electrical connector shown in the third figure; the fifth figure is a partial exploded view of the first connector shown in the first figure when the metal connector is not assembled; Figure 7 is a partially exploded perspective view of the electrical connector shown in Figure 5; the seventh figure is a cross-sectional view of the electrical connector shown in the first figure along the line VII-VII; and the eighth figure is the electrical connector shown in the first figure. A cross-sectional view taken along line VIII-VIII; a ninth view is a front view of the electrical connector shown in the first figure; and a tenth view is a perspective view showing the first metal member of the first connector shown in the first figure; 10 is an exploded perspective view of the electrical connector shown in FIG. 12; a twelfth view is a perspective view of the electrical connector of the second embodiment of the present invention; and a thirteenth diagram is an exploded perspective view of the electrical connector shown in FIG. ;and Figure 14 is a perspective view of an electrical connector of a third embodiment of the present invention.

The present invention provides a two-in-one electrical connector that can be plugged into two different types of mating connectors. When the docking connector is inserted, the electrical connector can detect which docking is inserted. Connector.

A first embodiment of the present invention will be described below with reference to the first to the eleventh drawings: Referring to the first and second figures, the embodiment provides an electrical connector 100 that can be used to transmit audio signals. And video signals. The electrical connector 100 includes an insulative housing 1, a conductive terminal 2 received in the insulative housing 1, a detecting terminal 5, and a metal housing 3 covering the insulative housing 1. The mounting base 4 is disposed behind the insulative housing 1 for fixing. The conductive terminal 2 and the detecting terminal 5 are provided with an elastic contact portion 30 for contacting or disconnecting the detecting terminal 5 to achieve a detecting function, and an opening 33 for allowing the elastic contact portion 30 to move. When the docking connector (not shown) is not inserted, the elastic contact portion 30 is separated from the detecting terminal 5, and when the mating connector is inserted, the metal shell of the mating connector may press the elastic contact portion 30 upward. The offset is in contact with the detecting terminal 5.

Referring to the third and fourth figures, the insulative housing 1 includes a base portion 11 and a tongue plate 12 extending forward from the base portion 11. In combination with the first figure, the metal shell 3 surrounds the tongue plate to form a receiving cavity that is open to the front. The conductive terminal 2 is provided with a contact portion 201 exposed to the receiving cavity 10 and a soldering leg 202 extending from the insulating body 1. The base portion 11 is provided with a receiving slot 111, and the detecting terminal 5 is provided to extend into the receiving slot 111. However, the detecting portion 51 is not protruded into the detecting portion 51 of the receiving cavity 10, that is, the detecting portion 51 is located behind the front end surface of the base portion 11. In combination with the seventh figure, the receiving groove 111 includes a detecting cavity 1111 communicating with the receiving cavity 10. The detecting portion 51 is provided with a protruding portion 5111 located in the detecting cavity 1111 for abutting against the elastic contact portion. The metal casing 3 includes a metal frame 31 surrounding the insulative housing 1 and a second metal member 32 fixed to the metal frame 31. The second metal member 32 is provided with a fixing portion 34 and a pin 322 extending downward. The metal frame 31 is matched with the fixing portion 34. In the present embodiment, the fixing portion 34 is provided with a fastener 341 for fastening to the fastening groove 35. The pins 322 are located on two sides of the metal frame 31 and have respectively The two are used for fixing the electrical connector 100 to the circuit board. Further, the metal frame 31 and the second metal member 32 are respectively provided with positioning protrusions 36 and positioning grooves 321 for assembling and positioning. The positioning protrusion 36 is located in the positioning groove 321 . The elastic contact portion 30 is integrally formed by stamping from the metal frame body 31. The metal frame body 31 is further provided with a first opening 331 for moving the elastic contact portion 30, and the second metal member 32 is provided for the elastic contact portion 30 to move. The second opening 332 is substantially the same as the first opening 331 and is in communication with each other. In conjunction with the second figure, the electrical connector 100 is provided with a foolproof portion 37 extending into the receiving cavity 10 and integrally or separately from the metal casing 3 adjacent to the base portion 11. The base portion 11 is provided to receive the foolproof portion. The retaining groove 112 of the portion 37 is disposed in the retaining groove 112 and is freely movable. The anti-slipping portion 37 includes a connecting portion 372 connected to the metal casing 3 and extends into the receiving cavity 10 In the resisting portion 371, the connecting portion 372 is received in the retaining groove 112, and the resisting portion 371 further extends into the receiving cavity 10. In the present embodiment, the anti-sliding portion 37 is integrally formed by stamping the metal frame 31. The metal frame 31 is also formed with a notch (not shown) for the detent portion 37 to extend downward.

Referring to the fifth and sixth figures, the insulative housing 1 includes a first insulator 13 and a second insulative housing 14 that are assembled to each other, and the second insulator 14 is formed with the base 11 and the tongue 12, The conductive terminal 2 includes a plurality of first terminals 21 embedded in the first insulator 13 and a plurality of second terminals 22 embedded in the second insulator 14. The first and second terminals 21 and 22 are respectively connected to the first and second insulators 13 and 14. The first terminal module 20 and the second terminal module 40 are assembled to each other, and the first terminal module 20 is assembled and fixed to the second terminal module 40. In the embodiment, the The second insulator 14 is provided with opposite side walls 142 and a rear wall 143 connecting the two side walls 142. The two side walls 142 and the rear wall 143 define a fixing groove 141 for receiving the first insulator 13, the receiving groove 111 and the fixing. The grooves 141 are respectively formed on both sides of the one side wall 142. The two side walls 142 are further extended rearward to form two oppositely disposed fixing posts 144. The two fixing posts 144 are respectively located on the two sides of the soldering legs 202 of the conductive terminals 2. A fixing base 4 for fixing the welding leg 202 is fixed, the fixing base 4 is substantially L-shaped, and includes a main body portion 41 for fixing the welding leg 202 and a rear cover 42 perpendicular to the main body portion 41, the main body The portion 41 is provided with a first fixing hole 411 for fixing the soldering leg 202 and a second fixing hole 412 for fixing the detecting terminal 5. The fixing base 4 is further provided with a secondary side wall connected to the main body portion 41 and the rear cover 42. 413, the first fixing hole 411 and the second fixing hole 412 are respectively formed on two sides of the secondary sidewall 413, and the secondary sidewall 413 is disposed in front and rear with the sidewall 412.

The detection structure of the present embodiment is described in detail with reference to the seventh embodiment. The detection structure of the present embodiment is composed of a detection terminal 5 and an elastic contact portion 30 extending from the metal casing 3. More specifically, the The second insulator 14 is provided with the accommodating groove 111. The accommodating groove 111 is substantially L-shaped and includes the detecting cavity 1111 and the movable cavity 1112 penetrating the detecting cavity 1111. In this embodiment, the activity The cavity 1112 extends rearwardly through the rear end surface of the base portion 11. The detecting terminal 5 includes a holding portion 52 fixed to the second insulator 14 , the detecting portion 51 perpendicular to the holding portion 52 , and a connecting portion 53 extending from the fixing base 4 . The holding portion 52 is provided with a holding portion 521 for holding and fixing, the holding portion 521 is integrally stamped by the detecting terminal 5, and the detecting portion 51 is provided with a connecting portion 513 connected to the holding portion 52. The detecting section 511 extending into the detecting chamber 1111 and the inclined section 512 between the connecting section 513 and the detecting section 511, the connecting section 513 and the detecting section 511 are parallel to each other, and the protruding portion 5111 is disposed in the detecting Below the measuring block 511, the connecting section 513 and the inclined section 512 are located in the movable cavity 1112. The elastic contact portion 30 that is in contact with or disconnected from the detecting terminal 5 includes a resilient arm 301 connected to the metal casing 3, a bent portion 302 that is bent and extended from the elastic arm 301, and abutting behind the bent portion 302. The detecting portion 51 of the detecting terminal 5 is located above the abutting portion 303, and the bending portion 302 is located at the front of the detecting portion 51. The bent portion 302 is connected with the elastic arm 301. The position is higher than the position where the bending section 302 is connected to the abutting portion 303, and the bending section 302 is provided at the highest point A between the elastic arm 301 and the abutting portion 303, during use, The highest point A may be higher than the upper surface of the metal casing 3 or may not be higher than the upper surface of the metal casing 3, but in the present embodiment, Whether the abutting portion 303 and the detecting portion 51 reach an electrical connection, the highest point A is not higher than the upper surface of the metal casing 3.

Referring to the eighth and ninth drawings, the foolproof portion 37 is located on one side of the tongue plate 12 and is spaced apart from the tongue plate 12, and the connecting portion 372 of the foolproof portion 37 is received in the retaining groove 112. The front end surface of the protruding base portion 11 is disposed in a vertical direction or a longitudinal direction perpendicular to the front-rear direction, and the anti-slipping portion 37 and the elastic contact portion 30 are disposed in a staggered manner. The metal casing 3 is elongated in the longitudinal direction. The pin 322 is located outside the fixing portion 34.

Referring to the tenth and eleventh drawings, in other embodiments, the electrical connector 100 further includes a first metal member 6 fixed to the metal casing 3, and the foregoing foolproof portion 37 is disposed on the first metal member 6. The metal frame body 31 is provided with a first fixing notch 311 and a second fixing notch 312 for fixing the first metal member 6. The anti-slipping portion 37 extends from the first fixing notch 311 into the receiving cavity 10.

The above is the first embodiment of the present invention. The second embodiment of the present invention will be described below with reference to the twelfth and thirteenth drawings. The structure of the electrical connector provided by the second embodiment and the electric power provided by the first embodiment are described. The structures of the connectors are substantially the same, and the same structures are denoted by the same reference numerals and will not be described again in this embodiment.

Compared with the first embodiment, the elastic contact portion 30 is disposed on the second metal member 32. The elastic contact portion 30 is integrally stamped from the second metal member 32, and the formed elastic contact portion 30 extends inwardly. The first and second openings 331, 332 are in contact with or disconnected from the detecting terminal 5.

The above is a second embodiment of the present invention. A third embodiment of the present invention will be described below with reference to the fourteenth embodiment. The structure of the electrical connector provided by the third embodiment and the structure of the electrical connector provided by the first embodiment are substantially The same structures are denoted by the same reference numerals and will not be described again in the present embodiment.

The elastic contact portion 30 is bent and extended from one side of the metal casing 3, and may be stamped first, then bent, or formed by tearing. The insulative housing 1 is provided with a receiving slot 111 on one side thereof. The accommodating groove 111 can accommodate the formed elastic contact portion 30 and the detecting terminal 5 therein to provide a space for detection. The elastic contact portion 30 includes a resisting portion 304, a retaining portion 305 between the resisting portion 304 and the metal casing 3, and a pulling portion 306 connecting the abutting portion 304 and the retaining portion 305, and detecting the terminal 5 The measuring portion 51 is located between the resisting portion 304 and the metal casing 3 and behind the pulling portion 306. When the mating connector is inserted, the metal housing of the mating connector is biased outwardly to resist the contact portion 304 of the elastic contact portion 30 to be in contact with the detecting terminal 5, and the positioning portion 305 is also urged by the pulling portion 306. When the mating connector is pulled out, since the elastic contact portion itself has elasticity, the retaining portion 305 moves to the initial position to drive the resisting portion 304 to be offset inward to be disconnected from the detecting terminal 5.

In summary, the detecting terminal 5 is located in the receiving slot 111 but does not protrude into the receiving cavity 10, so that the detecting terminal 5 is effectively protected by the insulating body 1 and is not easily deformed, and the electrical connector 100 has a long service life.

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 description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto. Equivalent modifications or variations made by those skilled in the art in light of the spirit of the present invention are still covered by the appended claims. For example, the associated elastic contact portion 30 may also be partially covered by a metal frame 31. The other part is composed of the second metal member 32, and interacts at least partially and integrally or sequentially to contact the detecting terminal 5 to meet the requirement that the overall connector size still maintains the required drop strength. The two metal members 32 can also be the same as the first metal member 6, and it is not necessary to provide a pin that is fixed to the circuit board, and details are not described herein again.

A‧‧‧ highest point

10‧‧‧ containment chamber

1111‧‧‧Detection chamber

1112‧‧‧Active cavity

12‧‧ ‧ tongue

3‧‧‧Metal casing

301‧‧‧Flexible arm

302‧‧‧Bend section

303‧‧‧Apartment

51‧‧‧Detection Department

5111‧‧‧Protruding

53‧‧‧Connecting Department

Claims (9)

An electrical connector comprising: an insulative body comprising a base and a tongue extending forward from the base; a metal casing covering the insulative body, the metal casing surrounding the tongue plate forming a front opening receiving cavity; the conductive terminal The receiving portion is received in the insulative housing, the conductive terminal is provided with a contact portion exposed to the receiving cavity; and the detecting terminal; wherein the metal housing is configured to contact or disconnect with the detecting terminal to detect insertion into the receiving cavity The elastic contact portion of the specification of the mating connector, the base portion is provided with a receiving groove, and the detecting terminal is provided with a detecting portion that extends into the receiving groove but does not protrude into the receiving cavity. The electrical connector of claim 1, wherein the receiving slot is substantially L-shaped, the receiving slot includes a detecting cavity communicating with the receiving cavity, and the detecting portion is located at the detecting a projection in the cavity for abutting the elastic contact portion. The electrical connector of claim 2, wherein the detecting terminal comprises a holding portion perpendicular to the detecting portion, the detecting portion is provided with a connecting portion connected to the holding portion and extends into the detecting chamber The detecting segment and the inclined segment between the connecting segment and the detecting segment, the connecting segment and the detecting segment are parallel to each other, and the protruding portion is disposed below the detecting segment. The electrical connector of claim 1, wherein the elastic contact portion comprises a resilient arm, a bent portion formed by bending backward from the elastic arm, and an abutting portion located behind the bent portion, the detecting The measuring terminal is provided with a detecting portion located above the abutting portion. The electrical connector of claim 4, wherein the bending section is located in front of the detecting portion, and the position where the bending section is connected with the elastic arm is connected to the abutting portion than the bending section The position of the high point is high, and the bending section is provided at a highest point between the elastic arm and the abutting portion, and the position of the highest point is not higher than whether the abutting portion and the detecting portion are electrically connected. The upper surface of the metal casing. The electrical connector of claim 1, wherein the elastic contact portion is bent and extended from a side of the metal casing, and the elastic contact portion includes a resisting portion located at the resisting portion and the metal casing. The accommodating portion and the pulling portion connecting the abutting portion and the accommodating portion are located between the abutting portion and the metal casing and located behind the pulling portion. The electrical connector of any one of clauses 1 to 6, wherein the electrical connector is provided adjacent to the base and extends into the receiving cavity and is integrally or separately arranged from the metal casing. The foolproof portion is located on one side of the tongue plate and spaced apart from the tongue plate, and is disposed in a vertical direction or a longitudinal direction perpendicular to the front-rear direction, and the foolproof portion and the elastic contact portion are staggered . The electrical connector of claim 7, wherein the electrical connector comprises a first metal member fixed to the metal outer casing, and the foolproof portion is disposed on the first metal member. The electrical connector of claim 1, wherein the metal casing comprises a second metal member, the second metal member is provided with the elastic contact portion extending inwardly and the second metal member may or may not be provided A pin fixed to the circuit board is provided.