TWM463442U - Card edge connector - Google Patents

Abstract

A card edge connector includes an insulative housing, a number of contacts retained in the insulative housing and an ejector retained the insulative housing to lock an electronic card. The insulative housing includes a central slot for receiving the electronic card and two end portions located on opposite sides of the central slot respectively. Said card edge connector also includes a metal member located on the end portion of the insulative for electrically connecting to the metal member. Thus, said card edge connector having a higher electrical function.

Description

Card edge connector

The present invention relates to a card edge connector, and more particularly to a card edge connector with a card locking mechanism.

A card edge connector disclosed in Taiwan Patent No. M422200, which is published on Feb. 1, 2012, which includes an insulative body and a conductive body housed in the insulating body. The terminal and the locking mechanism pivotally connected to the two ends of the insulating body, the insulating body is provided with a pivoting hole and a central slot for receiving the electronic card. However, with the advancement of technology, the current card edge connector can no longer meet the electrical needs.

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

In view of the above, the purpose of the present invention is to provide a card edge connector having a higher electrical function.

The purpose of the present invention is achieved by the following technical solution: a card edge connector comprising: an insulative housing having an elongated shape, the insulative housing being provided in a longitudinal direction for receiving an electronic card Central slot and located in The ends of the two ends of the central slot; the plurality of conductive terminals are fixed in the insulating body and protrude into the central slot to be docked with the electronic card; the locking mechanism is mounted on the end of the insulating body for locking the electronic card The card edge connector is further provided with a metal member installed at an end of the insulative housing for electrically connecting with the electronic card.

Further, the metal member is provided with a contact portion electrically connected to the electronic card and a pin portion for mounting to a circuit board.

Further, the metal member includes a contact member and a lock plate member which are separately provided, one end of the contact member is connected to the electronic card and the other end is connected to the lock plate member, and the lock plate member is mounted to the circuit board and fixed on the end portion. .

Further, the end of the insulative housing is recessed from the top surface, and the locking mechanism is received in the receiving chamber. The receiving chamber has a retaining wall for the locking mechanism to abut, and the electronic card is inserted into the central slot. After that, the metal piece is clamped between the locking mechanism and the retaining wall.

Further, the contact member includes a main body portion, a horizontal portion extending perpendicularly to the main body portion and extending toward the retaining wall, a clamping portion perpendicular to the horizontal portion and extending away from the main body portion, and a side of the main body portion from the clamping portion The bent elastic portion is inclined, the clamping portion is clamped between the locking mechanism and the retaining wall, and the elastic portion is abutted against the upper end of the lock plate member.

Further, the two sides of the main body portion are symmetrically protruded with contact arms, and the contact portions are respectively disposed on opposite inner sides of the two contact arms.

Further, the locking mechanism has an inner wall surface facing the retaining wall, and two sides of the inner wall surface protrude from a retaining wall located outside the contact arm.

Further, the inner wall surface is recessed with two concave holes spaced apart from each other between the retaining walls, and the inner wall surface protrudes below the concave hole by two locking portions symmetrically disposed and spaced apart from each other, the contact piece The two sides of the main body portion are convexly disposed on the inner wall surface, and the two sides of the main body portion are recessed with a recess under the holding arm, and the notch is clamped between the two locking portions. The center of the inner wall surface is provided with a vertical groove, and the vertical groove is provided with an abutting portion under the locking portion, and the clamping portion is sandwiched between the abutting portion and the retaining wall.

Further, the holding arm is disposed below the contact arm.

Further, the lock plate member has a locking portion fixed in the insulating body, the pin portion mounted on the circuit board, and an abutting portion protruding into the receiving chamber, the abutting portion having a contact facing the retaining wall The inner side of the piece abuts.

Compared with the prior art, the present invention has the following effects: the present card edge connector can make the electronic card connector have higher electrical property by providing metal parts to the electronic card at the end of the card edge connector. Features. For example, the card edge connector needs to transmit a large current or a transmission rate of an electrical signal, which can be further transmitted by an additionally provided metal member.

100‧‧‧ card edge connector

1‧‧‧Insulating body

11‧‧‧Central slot

111‧‧‧ 隔栏栏

112‧‧‧ Containment room

1121‧‧ ‧ retaining wall

2‧‧‧Electrical terminals

200‧‧‧electronic card

201‧‧‧Contacts

202‧‧‧Gap section

3‧‧‧Lock card mechanism

31‧‧‧ inner wall

311‧‧‧Retaining wall

312‧‧‧ recessed hole

313‧‧‧Lock Card Department

314‧‧‧ vertical trough

315‧‧‧Remove the Ministry

4‧‧‧Metal parts

41‧‧‧Contacts

411‧‧‧ Main body

4110‧‧‧Contact arm

4111‧‧‧Contacts

4112‧‧‧ holding arm

4113‧‧‧ Notch

412‧‧‧ horizontal department

413‧‧‧ gripping department

414‧‧‧Flexible Department

42‧‧‧Lock plate

421‧‧‧Locking Department

422‧‧‧foot

423‧‧‧Affiliation

4231‧‧‧ inside side

The first figure is a perspective view of the combination of the present card edge connector and the electronic card.

The second figure is a perspective view of the separation of the card edge connector from the electronic card.

The third figure is an exploded view of the card edge connector of the present invention.

The fourth figure is the three-dimensional separation of the locking mechanism of the card edge connector of the present invention and the contact member. Figure.

The fifth figure is a perspective view of the combination of the locking mechanism and the contact of the present card edge connector.

The sixth figure is a partial cross-sectional view of the first figure along the VI-VI direction.

Referring to the first to third figures, the card edge connector 100 is used to connect the electronic card 200 and is mounted to a circuit board (not shown). The card edge connector includes a longitudinal insulation. The main body 1 and the plurality of conductive terminals 2 fixed in the insulative housing 1 are pivotally connected to the insulative housing 1 for locking the card locking mechanism 3 of the electronic card 200. The card edge connector 100 is further provided for electrically connecting to the electronic device. The metal piece 4 of the card 200.

Referring to the third embodiment, the insulative housing extends in the longitudinal direction with a central slot 11 for receiving the electronic card 200 and an end portion at both ends of the central slot 11. The conductive terminal 2 protrudes into the central slot 11. The metal member 4 is disposed at the end portion for electrically connecting with the electronic card 200. The central slot 11 is provided with anti-insertion or mis-insertion of the electronic card 200. The barrier 111. The two ends of the insulative housing are provided with a receiving chamber 112 recessed from the top surface thereof, and the locking mechanism 3 is mounted and received in the receiving chamber 112. The accommodating chamber 112 has a retaining wall 1121 against which the locking mechanism 3 abuts. After the electronic card 200 is inserted into the central slot 11, the metal member 4 is clamped between the locking mechanism 3 and the retaining wall 1121.

The metal member 4 is set in this creation to further on the original basis. The amount of current transmission between the card edge connector 100 and the electronic card 200 is enhanced to increase the signal transmission rate between the card edge connector and the electronic card 200. When the electronic card 200 is removed, the card edge connector 100 is caused to be removed. Has a better grounding effect. Referring to the second figure, the metal member 4 is provided with a contact portion 4111 electrically connected to the electronic card 200 and a pin portion 422 mounted on a circuit board (not shown). The left and right sides of the electronic card 200 are disposed. A contact portion 201 that is in electrical contact with the contact portion 4111 of the metal member 4. The pin portion 422 is connected to a circuit board (not shown) by a snap, and the pin portion may be provided as a flat piece of soldering piece (not shown) according to different requirements, and is connected to the solder by soldering. Circuit board (not shown). Referring to the third figure, the metal member 4 includes a contact member 41 and a lock plate member 42 which are separately disposed. One end of the contact member 41 is connected to the electronic card 200 and the other end is connected to the lock plate member 42. The plate member 42 is mounted to a circuit board (not shown) and fixed to the end portion, and the design of the metal member 4 into the contact member 41 and the lock plate member 42 is a preferred embodiment of the present invention. The metal piece 4 of the present invention may also be of a one-piece design in which the contact piece 41 integrally extends with a lock plate member 42 connected to a circuit board (not shown).

Referring to the third figure and in conjunction with the fourth and fifth figures, the contact member 41 includes a main body portion 411, a horizontal portion 412 extending perpendicularly to the main body portion 411 and extending toward the retaining wall 1121, perpendicular to the horizontal portion and The clamping portion 413 extending away from the main body portion and the elastic portion 414 bent obliquely from the clamping portion toward the side of the main body portion 411, the clamping portion 413 being clamped between the locking mechanism 3 and the retaining wall 1121 to be elastic The portion is resisted at the upper end of the lock plate member 42. A contact arm 4110 is symmetrically protruded from the two sides of the main body portion 411. The contact portions 4111 are respectively disposed on opposite sides of the two contact arms 4110. The contact portions 201 that are in electrical contact with the contact portion 4111 are provided at the front and rear ends of each of the left and right sides of the daughter card 200. The locking mechanism 3 has an inner wall surface 31 facing the retaining wall 1121. Two sides of the inner wall surface 31 protrude from a retaining wall 311 located outside the contact arm 4110. The retaining wall 311 is disposed to avoid the contact arm. The 4110 is exposed and causes damage to the user. The inner wall surface 31 is recessed between the retaining walls 311 with two mutually spaced recessed holes 312. The inner wall surface 31 protrudes below the recessed holes 312 by two mutually parallel and spaced apart lock cards. a retaining arm 4112 located below the contact arm is protruded from the two sides of the main body portion 411 of the contact portion 41. The two sides of the main body portion 411 are recessed with a recess 4113 below the holding arm 4112. The retaining arm 4112 is disposed in the recessed hole 312. The recessed portion 4113 is disposed between the two latching portions 313. The central wall 31 is provided with a vertical slot 314 in the center of the inner wall surface 31. The urging portion 315 below the card portion is sandwiched between the urging portion 315 and the retaining wall 1121. The recesses 4113 are disposed between the latching portions 313 to reliably position the contacts 41 in the up and down direction. The two sides of the electronic card 200 are recessed with the notch portions 202 for the latching portions 313 to be engaged. The holding portion 413 is located between the abutting portion 315 and the retaining wall 1121 so that the contact 41 can be reliably held in the left-right direction.

Referring to FIG. 6 , the lock plate member 42 has a locking portion 421 fixed in the insulative housing 1 , the pin portion 422 mounted on the circuit board, and an abutting portion 423 protruding into the receiving chamber 112 . The abutting portion 423 has an inner side surface 4231 facing the retaining wall 1121 for the contact member 41 to abut, and the elastic portion 414 of the present card edge connector 100 abuts against the inner side surface of the abutting portion 423. When the electronic card 200 is not inserted into the card edge connector 100, the elastic portion of the contact member 41 is disconnected from the pin portion 422 When the electronic card 200 is locked in the card edge connector 100, the locking portion 313 is buckled into the notch portion 202, and the contact portion 4111 of the contact member 41 is electrically connected to the electronic card 200. On the contact portion 201, the elastic portion 414 of the contact member 41 abuts against the inner side surface 4231 of the leg portion 422, so that the electronic card 200 passes between the contact member 41 and the lock plate member 42 and the circuit board (not shown). Electrical connections are made such that the card edge connector can provide greater current and faster signal transmission rates.

In summary, the card edge connector 100 can additionally provide a metal member 4 electrically connected to the electronic card 200 at both ends of the insulating body, so that the card edge connector 100 can have a larger current transmission amount and more. Fast signal transmission rate and better grounding effect. The above is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, so any equivalent change made by those who understand the design points of the present case should cover the scope of the patent application of the present application.

201‧‧‧Contacts

202‧‧‧Gap section

313‧‧‧Lock Card Department

4111‧‧‧Contacts

413‧‧‧ gripping department

414‧‧‧Flexible Department

421‧‧‧Locking Department

422‧‧‧foot

423‧‧‧Affiliation

4231‧‧‧ inside side

Claims (10)

A card edge connector includes: an insulative housing, wherein the insulative housing has a longitudinal shape, and the insulative housing is provided with a central slot extending in a longitudinal direction for receiving an electronic card and an end portion at both ends of the central slot The plurality of conductive terminals are fixed in the insulating body and protrude into the central slot to interface with the electronic card; the locking mechanism is mounted on the end of the insulating body for locking the electronic card; wherein the card edge The connector is further provided with a metal member mounted at an end of the insulative housing for electrically connecting to the electronic card. The card edge connector of claim 1, wherein the metal member is provided with a contact portion electrically connected to the electronic card and a pin portion for mounting to a circuit board. The card edge connector of claim 2, wherein the metal member comprises a separate contact member and a lock plate member, one end of the contact member is connected to the electronic card and the other end is connected to the lock plate member. The lock plate is mounted to the circuit board and secured to the end. The card edge connector of claim 3, wherein the end of the insulative housing is recessed from the top surface with a receiving chamber, the locking mechanism is received in the receiving chamber, and the receiving chamber has a locking mechanism The abutting retaining wall, when the electronic card is inserted into the central slot, the metal member is clamped between the locking mechanism and the retaining wall. The card edge connector of claim 4, wherein the contact member The utility model further comprises a main body portion, a horizontal portion extending perpendicularly to the main body portion and extending toward the retaining wall, a clamping portion perpendicular to the horizontal portion and extending away from the main body portion, and an elastic portion bent obliquely from the clamping portion toward the side of the main body portion. The clamping portion is clamped between the locking mechanism and the retaining wall and the elastic portion abuts against the upper end of the locking plate member. The card edge connector of claim 5, wherein the main body portion has symmetrically protruding contact arms on opposite sides thereof, and the contact portions are respectively disposed on opposite inner sides of the two contact arms. The card edge connector of claim 6, wherein the card locking mechanism has an inner wall surface facing the retaining wall, and two sides of the inner wall surface projecting a retaining wall located outside the contact arm. The card edge connector of claim 7, wherein the inner wall surface has two recessed holes spaced apart from each other between the retaining walls, and the inner wall surface protrudes below the recessed hole by two a locking portion that is symmetrically disposed and spaced apart from each other, and two sides of the body portion of the contact member protrude from the inner wall surface with a retaining arm that is locked in the recessed hole, and both sides of the main body portion are recessed with a recess below the holding arm The notch is disposed between the two locking portions, and a vertical groove is disposed in the center of the inner wall surface, and the vertical groove is provided with an abutting portion under the locking portion, and the clamping portion is clamped to the pushing portion Between the wall and the retaining wall. The card edge connector of claim 8, wherein the holding arm is disposed below the contact arm. The card edge connector of claim 4, wherein the lock plate member has a locking portion fixed in the insulating body, the pin portion mounted on the circuit board, and a protrusion protruding into the receiving chamber The abutment has an inner side facing the retaining wall against which the contact member abuts.