TWM496256U - Card edge connector and assembly thereof - Google Patents

Abstract

A card edge connector includes an elongated housing, a number of contacts retained in the housing, and a tower at one end of the housing for receiving a locker. The housing defines a front face and rear face opposite to the front face, an upper face and a lower face opposite to the upper face. A middle slot depresses from the front face for receiving an electronic card. Said contact defines a retaining portion received in the housing, a contacting portion and a soldering portion extending from the opposite side s of the retaining portion respectively. A plurality of retaining slots formed on the rear face of the housing, said lower face of the housing defines a plurality of grooves running through the rear face and communicating with the retaining slot. A retaining tool defines a base portion and a plurality of abutting posts extended from the base portion, said abutting post is used for abutting the contact in the slot.

Description

Card edge connector and combination thereof

The present invention relates to a card edge connector, and more particularly to a tilt card edge connector.

A conventional card-related connector disclosed in Japanese Patent No. M419282, published on Dec. 21, 2011, includes an elongated insulating body, a conductive terminal received in the insulating body, and a pivotal connection. The insulative housing has opposite front and rear end faces, and the insulative housing has a central slot recessed from the front end surface, and the conductive terminal includes a fixing portion fixed in the insulating body and extends from the fixing portion. The contact portion of the central slot and the self-fixing portion extend from the solder tail of the rear end surface of the insulating body, the insulating body is provided with a plurality of holding slots for holding the fixing portion, and the card edge connector further includes a positioning block for inserting the solder tail The conductive terminals are fixed inside to achieve reliable soldering of the conductive terminals. However, before the solder tail of the conductive terminal is inserted into the positioning block, there may be positional deviation and shaking of the solder tail, and the solder tail cannot be accurately and stably inserted into the positioning block.

Therefore, it is necessary to improve the conventional card edge connector to overcome the above drawbacks.

In view of the above, it is an object of the present invention to provide a card edge connector having improved solder terminal soldering stability.

In order to achieve the foregoing object, the object of the present invention is achieved by the following technical solutions: a card edge connector comprising an elongated insulating body, a conductive terminal received in the insulating body, and a card ejecting mechanism pivotally connected to the insulating body The insulative housing has front and rear facing front and rear end faces, upper and lower opposite upper end faces and lower end faces. The insulative housing is recessed from the front end face with a central slot, and at least one end of the central slot is provided with a card retracting mechanism. In the tower portion, the conductive terminal includes a fixing portion fixed in the insulating body, a contact portion extending from the fixing portion into the central slot, and a solder tail portion extending from the fixing portion to the rear end surface of the insulating body, the rear of the insulating body The end surface is provided with a plurality of holding grooves for holding the fixing portion, and the lower end surface of the insulating body penetrates through the rear end surface to form a plurality of grooves corresponding to the holding grooves and communicating with the holding grooves.

Further, the width of the groove in the longitudinal direction of the insulating body is smaller than the width of the holding groove.

Further, the insulative housing has an upper wall on an upper side of the central slot and a lower wall on a lower side of the central slot, and the conductive terminal includes a first conductive terminal received in the upper wall and a second conductive received in the lower wall a terminal, the holding groove includes a first holding groove for holding the first conductive terminal disposed on the upper wall and a second holding groove for holding the second conductive terminal at the lower wall, the groove is disposed on the lower wall and the second The holding groove is connected.

Further, the card edge connector further includes an insulating cover disposed at a rear end of the insulating body for positioning the first solder tail of the first conductive terminal, and first and second solder tails for the first and second conductive terminals Inserting the positioning positioning block, the cover body is provided with a plurality of positioning slots for isolating the first solder tail of the first conductive terminal, and the positioning block is provided with a plurality of through holes for positioning the first and second solder tails.

Further, the first solder tail portion of the first conductive terminal is disposed in two rows of front and rear and each has a first extending portion extending horizontally from a rear end surface of the insulating body and a second extending portion extending downward from the first extending portion a soldering portion, the first extending portion is disposed in the positioning groove, and the second solder tail portion of the second conductive terminal is disposed in two rows of front and rear and each has a second extending portion extending horizontally from a rear end surface of the insulating body The second soldering portion is bent downwardly from the second extending portion, the first and second soldering portions are inserted into the through hole, and the second soldering portion is disposed below the inner side of the first soldering portion.

In order to achieve the foregoing objectives, the object of the present invention can also be achieved by the following technical solutions: a card edge connector assembly comprising a card edge connector and a positioning fixture, the card edge connector comprising an elongated insulating body, received in a conductive terminal in the insulating body and a card-removing mechanism pivotally connected to the insulating body, the insulating body has opposite front and rear end faces, an upper end surface and a lower end surface, and the insulating body is recessed from the front end surface with a central slot, the central portion At least one end of the slot is provided with a tower-shaped portion for accommodating a card-removing mechanism. The conductive terminal includes a fixing portion fixed in the insulating body, a contact portion extending from the fixing portion into the central slot, and extending from the fixing portion to the insulating body. a sealing portion of the end surface, wherein the rear end surface of the insulating body is provided with a plurality of holding grooves for holding the fixing portion, wherein the lower end surface of the insulating body penetrates through the rear end surface to form a plurality of grooves corresponding to the holding grooves and communicating with the holding grooves. The width of the groove in the longitudinal direction of the insulating body is smaller than the width of the holding groove, and the positioning fixture comprises a main body portion and a plurality of resistances extending from the main body portion The recess so that the conductive terminals stable bump portion.

Further, the insulative housing has an upper wall on an upper side of the central slot and a lower wall on a lower side of the central slot, and the conductive terminal includes a first conductive terminal received in the upper wall and a second conductive received in the lower wall a terminal, the holding groove includes a first holding groove for holding the first conductive terminal disposed on the upper wall and a second holding groove for holding the second conductive terminal at the lower wall, the groove is disposed on the lower wall and the second The holding groove is connected.

Further, the bump portion has an elongated shape, the width of the bump portion is the same as the width of the groove in the longitudinal direction of the insulating body, and the length of the bump portion is slightly larger than the depth of the groove to the second holding groove.

Further, the card edge connector further includes an insulating cover disposed at a rear end of the insulating body for positioning the first solder tail of the first conductive terminal, and first and second solder tails for the first and second conductive terminals Inserting the positioning positioning block, the cover body is provided with a plurality of positioning slots for isolating the first solder tail of the first conductive terminal, and the positioning block is provided with a plurality of through holes for positioning the first and second solder tails.

Further, the first solder tail portion of the first conductive terminal is disposed in two rows of front and rear and each has a first extending portion extending horizontally from a rear end surface of the insulating body and a second extending portion extending downward from the first extending portion a soldering portion, the first extending portion is disposed in the positioning groove, and the second solder tail portion of the second conductive terminal is disposed in two rows of front and rear and each has a second extending portion extending horizontally from a rear end surface of the insulating body The second soldering portion is bent downwardly from the second extending portion, the first and second soldering portions are inserted into the through hole, and the second soldering portion is disposed below the inner side of the first soldering portion.

Compared with the prior art, the present invention has the following beneficial effects: the lower end surface of the insulating body penetrates through the rear end surface to form a plurality of grooves corresponding to the holding groove and communicates with the holding groove, and the convex portion of the positioning fixture is inserted into the groove Resisting the holding portion to keep the conductive terminals stable.

100‧‧‧ card edge connector

1‧‧‧Insulating body

11‧‧‧ front end

111‧‧‧Central slot

12‧‧‧ rear end face

121‧‧‧ Groove

12‧‧‧ upper end

14‧‧‧ lower end

15‧‧‧Tower

16‧‧‧Upper wall

17‧‧‧ Lower wall

18‧‧‧ housing trough

181‧‧‧ holding slot

1811‧‧‧First holding slot

1812‧‧‧Second holding groove

2‧‧‧Electrical terminals

200‧‧‧ positioning fixture

201‧‧‧ Main body

202‧‧‧Bumps

21‧‧‧First conductive terminal

22‧‧‧Second conductive terminal

211‧‧‧First Fixed Department

212‧‧‧First contact

213‧‧‧First solder tail

2131‧‧‧First extension

2132‧‧‧First Welding Department

221‧‧‧Second fixed department

222‧‧‧Second contact

223‧‧‧Second welding tail

2231‧‧‧Second extension

2232‧‧‧Second welding department

3‧‧‧Retirement agency

300‧‧‧ card edge connector combination

4‧‧‧Lock plate

5‧‧‧Insulating cover

51‧‧‧ positioning slot

6‧‧‧ Positioning block

61‧‧‧through hole

The first figure is a three-dimensional combination diagram of the novel card edge connector and the positioning fixture;

The second figure is a three-dimensional separation diagram of the novel card edge connector and the positioning fixture;

The third figure is an exploded perspective view of the novel card edge connector;

The fourth figure is a perspective view of another angle of the novel card edge connector;

The fifth figure is a partial schematic view of the insulative body of the novel card edge connector; and

The sixth figure is a cross-sectional view of the combination of the novel card edge connector and the positioning fixture.

The specific embodiments of the present card edge connector and combinations thereof will be described in detail below with reference to the drawings.

Referring to the first to third figures, the card edge connector assembly 300 of the present invention includes a card edge connector 100 and a positioning fixture 200. The card edge connector 100 is a tilted card edge. The card edge connector 100 is for inserting an electronic card (not shown). The card edge connector 100 includes an elongated insulating body 1 , a plurality of conductive terminals 2 received in the insulative housing 1 , and a card ejecting mechanism for locking an electronic card (not shown) pivotally connected to the insulative housing 1 . 3 and a metal lock plate member 4 which is provided on the insulative housing 1 so as to be reliably fixed to a mother board (not shown).

Referring to the second and third figures, the insulative housing 1 has front and rear facing end faces 11 and rear end faces 12, upper and lower opposing upper end faces 13 and lower end faces 14. The insulative housing 1 is recessed from the front end surface 11 to form a central slot 111. At least one end of the central slot 111 is provided with a tower portion 15 for receiving a card ejecting mechanism 3. The insulative housing 1 has an upper wall 16 on the upper side of the central slot 111 and a lower wall 17 opposite the upper wall 16 on the lower side of the central slot 111. The upper wall 16 and the lower wall 17 are provided with receiving conductive terminals. 2 storage slots 18.

As shown in FIG. 4 and FIG. 5 , the conductive terminal 2 includes a first conductive terminal 21 received in the upper wall 16 of the insulative housing 1 and a second conductive terminal 22 received in the lower wall 17 . The first conductive terminal 21 includes a first fixing portion 211 fixed in the insulative housing 1 , a first contact portion 212 extending from the first fixing portion 211 into the central slot 111 , and an insulating body extending from the first fixing portion 211 . The first soldering tail portion 213 of the rear end surface 12 of the first end portion 12 includes a second fixing portion 221 fixed in the insulative housing 1 and extending from the second fixing portion 221 into the second contact portion in the central slot 111. 222 and a second solder tail 223 extending from the second fixing portion 221 to the rear end surface 12 of the insulative housing 1. The receiving groove 18 is formed with a plurality of holding grooves 181 on the rear end surface 12 of the insulative housing 1 . The holding groove 181 includes a first holding groove 1811 and a first fixing portion 211 of the upper wall 16 for holding the first conductive terminal 21 . The second holding groove 1812 of the second fixing portion 221 of the second conductive terminal 22 is held by the lower wall 17 .

As shown in FIG. 6 , the card edge connector 100 further includes an insulating cover 5 for positioning the first conductive terminal 21 and a first soldering for the first and second conductive terminals disposed at the rear end of the insulating body 1 . The tail portion 213 and the second solder tail portion 223 are inserted into the positioned positioning block 6. The cover body 5 is provided with a plurality of positioning slots 51 for isolating the first conductive terminals 21 , and the positioning block 6 is provided with a plurality of through holes 61 for positioning the first solder tail portion 213 and the second solder tail portion 223 . The first solder tail portion 213 of the first conductive terminal 21 is disposed in two rows of front and rear and each has a first extending portion 2131 extending outward from the rear end surface 12 of the insulating body 1 and extending downward from the first extending portion 2131. The first soldering portion 2132 is latched in the positioning slot 51 to stabilize the first conductive terminal 21. The second solder tail portion 223 of the second conductive terminal 22 is disposed in two rows of front and rear and each has a second extending portion 2231 extending outward from the rear end surface 12 of the insulative housing 1 and extending downwardly from the second extending portion 2231. The second welded portion 2232 is disposed below the inner side of the first welded portion 2132.

The card edge connector 100 is used for soldering to a mother circuit board (not shown), that is, the first conductive terminal 21 and the second conductive terminal 22 are soldered to a mother board (not shown) for the first conductive The terminal 21 and the second conductive terminal 22 can be reliably soldered to the mother board (not shown), and the positioning block 6 having the through hole 61, the first soldering portion 21 and the first soldering portion of the second conductive terminal 22 are provided. 2132 and the second soldering portion 2232 can be inserted into the through hole 61 to achieve reliable soldering of the first conductive terminal 21 and the second conductive terminal 22. As a result, the first conductive terminal 21 and the second conductive terminal 22 need to remain stable, that is, if the first and second conductive terminals 21, 22 are shaken, the first soldering portion 2132 and the second soldering portion 2232 cannot be stabilized. It is smoothly installed into the positioning block 6. The plurality of positioning grooves 51 of the insulating cover 5 are disposed corresponding to the first extending portion 2131 of the first conductive terminal 21 to effectively stabilize the first soldering portion 2132 of the first conductive terminal 21 so as to be smoothly inserted into the positioning block 5. In the hole 61. In order to enable the second conductive terminal 22 located under the first conductive terminal 21 to be stably and reliably loaded into the positioning block 6 , the lower end surface 14 of the insulating body 1 penetrates through the rear end surface 12 to form a plurality corresponding to the second holding groove 1812 . And the groove 121 communicating with the second holding groove 1812, the width of the groove 121 in the longitudinal direction of the insulating body 1 is smaller than the width of the second holding groove 1812, so that the setting of the groove 121 is as far as possible The holding effect of the second holding groove 1812 on the second conductive terminal 22 is weakened. Correspondingly, a positioning fixture 200 is provided. The positioning fixture 200 includes a main body portion 201 and a plurality of bump portions 202 extending from the main body portion 201 and resisting the recesses 121 to stabilize the second conductive terminals 22. The bump portion 202 has an elongated shape, and the width of the bump portion 202 is the same as the width of the recess 121 in the longitudinal direction of the insulative housing 1 so that the bump portion 202 does not sway after being inserted into the recess 121. The length of the block portion 202 is set to be slightly larger than the depth of the recess 121 to the second retaining groove to enable the bump portion 202 to smoothly abut against the second fixing portion 221 of the second conductive terminal 22 for fixing. After the first conductive terminal 21 and the second conductive terminal 22 are inserted into the receiving groove 18, the first conductive terminal 21 is stabilized by the insulating cover 5 being fastened to the first extending portion 2131, and the second conductive terminal 22 is stabilized by the second conductive terminal 22 The bump portion 202 of the positioning fixture 200 is inserted into the recess 121 to resist the stabilization of the second conductive terminal 22 by the second fixing portion 221, and finally the first soldering of the first conductive terminal 21 and the second conductive terminal 22 is performed. The second portion 2132 is inserted into the through hole 61 of the positioning block 6 to stabilize the first and second conductive terminals 21, 22, so that the first and second conductive terminals 21, 22 can be accurately It is stably soldered to the mother board (not shown).

In view of the above, the above is only a preferred embodiment of the present invention, and those skilled in the art can still make various substitutions and modifications without departing from the spirit of the present invention. Therefore, the scope of the present invention should not be limited by the scope of the invention, and all the equivalent equivalents and modifications of the present invention are intended to be included within the scope of the following claims.

12‧‧‧ rear end face

121‧‧‧ Groove

181‧‧‧ holding slot

1811‧‧‧First holding slot

1812‧‧‧Second holding groove

5‧‧‧Insulating cover

51‧‧‧ positioning slot

Claims (10)

A card edge connector comprising:
Insulating body, the insulative housing has a longitudinally long front end surface and a rear end surface, upper and lower opposite upper end surfaces and a lower end surface, and the insulating body is recessed from the front end surface with a central slot, the central slot being at least One end is provided with a tower-shaped portion;
The conductive terminal is received in the insulating body, and the conductive terminal includes a fixing portion fixed in the insulating body, a contact portion extending from the fixing portion into the central slot, and a solder tail portion extending from the fixing portion to the rear end surface of the insulating body; And the card ejecting mechanism is housed in the tower portion of the insulative body;
The rear end surface of the insulating body is provided with a plurality of holding grooves for holding the fixing portion, and the lower end surface of the insulating body penetrates through the rear end surface to form a plurality of grooves corresponding to the holding grooves and communicating with the holding grooves. The card edge connector of claim 1, wherein the groove has a width in a longitudinal direction of the insulating body that is smaller than a width of the holding groove. The card edge connector of claim 2, wherein the insulative housing has an upper wall on an upper side of the central slot and a lower wall on a lower side of the central slot, and the conductive terminal includes a first one received in the upper wall. a conductive terminal and a second conductive terminal received in the lower wall, the holding groove includes a first holding groove for holding the first conductive terminal disposed on the upper wall and a second holding groove for holding the second conductive terminal at the lower wall The groove is disposed on the lower wall and communicates with the second holding groove. The card edge connector of claim 3, wherein the card edge connector further comprises an insulating cover disposed at a rear end of the insulating body for positioning the first solder tail of the first conductive terminal and for the first The first and second solder tails of the second conductive terminal are inserted into the positioning positioning block, and the cover body is provided with a plurality of positioning slots for isolating the first solder tail of the first conductive terminal, and the positioning block is provided with positioning first and second solder tails Multiple through holes. The card edge connector of claim 4, wherein the first solder tail of the first conductive terminal is disposed in two rows of front and rear and each has a first extension extending horizontally from a rear end surface of the insulative housing. And a first soldering portion extending downward from the first extending portion, the first extending portion is disposed in the positioning slot, and the second solder tail portion of the second conductive terminal is disposed in two rows of front and rear and each has a self-insulating body a rear end facing the outer horizontally extending second extending portion and a second welded portion extending downward from the second extending portion, the first and second welded portions being inserted into the through hole, the second welding The portion is disposed below the inner side of the first welded portion. A card edge connector combination comprising:
The card edge connector includes a longitudinally-shaped insulating body, a conductive terminal received in the insulating body, and a card-removing mechanism pivotally connected to the insulating body. The insulating body has opposite front and rear end faces and upper ends. The end surface and the lower end surface, the insulating body is recessed from the front end surface with a central slot, and at least one end of the central slot is provided with a tower portion for accommodating a card retracting mechanism, and the conductive terminal comprises a fixing portion fixed in the insulating body, The fixing portion extends into the contact portion in the central slot and extends from the fixing portion to the welding portion of the rear end surface of the insulating body, and the rear end surface of the insulating body is provided with a holding groove for holding the fixing portion;
Positioning fixture for positioning the conductive terminal;
The lower end surface of the insulating body penetrates through the rear end surface to form a plurality of grooves corresponding to the holding grooves and communicate with the holding grooves, and the width of the grooves in the longitudinal direction of the insulating body is smaller than the width of the holding grooves, and the positioning treatment The utility model comprises a main body portion and a plurality of protruding portions extending from the main body portion and resisting the grooves to stabilize the conductive terminals. The card edge connector assembly of claim 6, wherein the insulative housing has an upper wall on an upper side of the central slot and a lower wall on a lower side of the central slot, and the conductive terminal includes a housing received in the upper wall. a first conductive terminal and a second conductive terminal received in the lower wall, the holding groove includes a first holding groove disposed on the upper wall and holding the first conductive terminal, and a second holding on the lower wall holding the second conductive terminal a groove, a groove is disposed on the lower wall and communicates with the second holding groove. The card edge connector assembly of claim 7, wherein the bump portion has an elongated shape, and a width of the bump portion is the same as a width of the groove in a longitudinal direction of the insulating body, and the bump portion is The length is set slightly larger than the depth of the groove to the second holding groove. The card edge connector assembly of claim 8, wherein the card edge connector further comprises an insulating cover body disposed at a rear end of the insulating body for positioning the first solder tail of the first conductive terminal and 1. The first and second solder tails of the second conductive terminal are inserted into the positioning positioning block, and the cover body is provided with a plurality of positioning slots for isolating the first solder tail of the first conductive terminal, and the positioning block is provided with positioning first and second soldering Multiple through holes in the tail. The card edge connector assembly of claim 9, wherein the first solder tail of the first conductive terminal is disposed in two rows of front and rear and each has a first extension extending horizontally from a rear end surface of the insulative housing. And a first soldering portion extending downward from the first extending portion, the first extending portion is disposed in the positioning slot, and the second solder tail portion of the second conductive terminal is disposed in front and rear two rows and each has self-insulating a rear end of the body facing the second horizontal extension extending horizontally and a second welding portion extending downward from the second extension portion, the first and second welding portions being inserted into the through hole, the second The welded portion is disposed below the inner side of the first welded portion.