TWI689141B - Card edge connector - Google Patents

Abstract

A card edge connector includes an insulative housing, a plurality of conductive contacts, a plastic shell surrounding the insulative housing and a latching mechanism. The insulative housing has a top surface and an mounting surface, the insulative housing defining a central slot formed from the top surface toward to the mounting surface, the central slot formed from a pair of side walls and a pair of end walls connecting said two side walls. The plastic shell defines a receiving space formed from a pair of side portions and a pair of end portions. At least one end portion of the plastic shell includes a notch, the end portion extending a pair of locking portion outwardly, the locking portion disposed to the two sides of the notch, the latching mechanism defines a pair of connecting portion connecting with the two locking portion, because of the set up of the locking portion disposed to the two sides of the notch enhancing the life of the card edge connector.

Description

Card edge connector

The invention relates to a card edge connector, in particular to a card edge connector with a plastic shell with an improved structure.

The prior art can refer to a card edge connector disclosed in Taiwan's new patent TWM456750. The card edge connector is mounted on a circuit board and is provided with a plastic shell covering its insulating body. The plastic shell is provided with two opposite longitudinal A long side wall and a locking mechanism at one end of the side wall, the locking mechanism is fixed to the side wall of the plastic casing by a bolt joint to lock the electronic card, however, the end of the plastic casing is provided with a groove The top wall and the bottom wall penetrating through the end portion result in weak connection between the two side walls of the plastic casing. In the process of inserting and removing the electronic card, the card edge connector is easily shaken and unstable and damaged risks of.

Therefore, it is indeed necessary to design a new solution to improve the above problems.

The technical problem to be solved by the present invention is to provide a card edge connector which can prolong the service life.

In order to solve the foregoing technical problems, the present invention may adopt the following technical solution: a card edge connector, which includes a longitudinal insulating body, conductive terminals housed in the insulating body, a plastic case covering the insulating body, and a lock Card mechanism, the insulating body is provided with a top surface and a mounting surface opposite to the top surface, the insulating body defines a longitudinal direction and is provided with the longitudinal direction extending from the top surface concavely formed on the mounting surface A central slot formed by a pair of opposing side walls and a pair of end walls connecting the two side walls, the plastic housing has a receiving space for the insulating body, the receiving The space is surrounded by a pair of side portions and a pair of end portions respectively corresponding to the side walls and the end walls, at least one end portion of the plastic casing is provided with a groove, and the end portions integrally extend outward to a pair of cards A holding portion, the holding portion is located on both sides of the groove, and the locking mechanism is provided with a pair of pivoting portions pivotally connected to the two holding portions.

Compared with the conventional technology, the present invention has at least the following beneficial effects: The card edge connector of the present invention is provided with a groove and a holding portion extending from the end of the plastic housing, and the plastic housing can fix the card edge more stably Connector, thereby enhancing the service life of the card edge connector.

100: card edge connector

1: Insulation body

11: top surface

111: Center slot

12: mounting surface

13: Side wall

14: end wall

2: conductive terminal

200: card edge connector

3: Plastic shell

31: top

311: containment space

32: side

321: convex part

3211: First holding groove

322: the first frame

323: rib

33: end

331: groove

332: Second holding groove

333: The second frame

34: Card Holder

341: pivot hole

342: Clasp groove

343: Connection

35: Metal lock firmware

36: fixed part

361: Vertical section

362: hook part

4: locking mechanism

41: Base

411: pivot

42: Holding Department

421: Barb

43: Pulling part

44: stop

The first figure is a perspective view of the first embodiment of the card edge connector of the present invention;

The second figure is a partial exploded view of the card edge connector shown in the first figure;

The third figure is another perspective view of the card edge connector shown in the first figure;

The fourth figure is a partial exploded view of the card edge connector shown in the first figure;

Figure 5 is another perspective view of the card edge connector shown in Figure 4;

Figure 6 is another perspective view of the card edge connector shown in Figure 4; and

The seventh figure is a perspective view of another embodiment of the card edge connector of the present invention.

Referring to the embodiment shown in the first figure, the card edge connector 100 of the present invention is mounted on a circuit board (not shown), and the card edge connector 100 is used to insert an electronic card (not shown). The card edge connector 100 includes an insulating body 1, a plurality of conductive terminals 2 housed in the insulating body 1, a plastic housing 3 wrapped in the insulating body 1, and a latch electronics provided in the plastic housing 3 The card lock mechanism 4 of the card (not shown).

Please refer to the embodiment shown in the second figure, the insulating body 1 defines a longitudinal direction and is provided with a top surface 11 disposed relatively horizontally and a mounting surface 12 opposite to the top surface 11 and disposed in parallel, the insulating body 1 The top surface 11 is recessed toward the mounting surface 12 and extends along the longitudinal direction A central slot 111 of the electronic card (not shown) is surrounded by a pair of side walls 13 arranged in parallel and a pair of end walls 14 connecting the two side walls 13.

Please refer to the second to sixth figures together. The plastic casing 3 is installed on the insulating body 1 from top to bottom. The plastic casing 3 is provided with a top surface 11 and a side wall corresponding to the insulating body 1 13 and the top portion 31, the side portion 32 of the end wall 14 and the end portion 33 connecting the two side portions 32. The side portion 32 and the end portion 33 together surround a receiving space 311 for receiving the insulating body 1. At least one end portion 33 of the plastic housing 3 is provided with a groove 331, and the end portion 33 integrally extends outwardly with a pair of holding portions 34, and the holding portions 34 are located on both sides of the groove 331. A connecting portion 343 is integrally connected between the two holding portions 34. The connecting portion 343 extends integrally from the end 33 of the plastic housing 3 and is located below the groove 331. The opposite inner side of the holding portion 34 is provided有轴孔341. The locking mechanism 4 is provided with a base portion 41, a pair of buckling portions 42 on both sides of the base portion 41, a trigger portion 43 extending upward from the base portion 41, and a position between the two trigger portions 43 The blocking portion 44 is provided with a barb 421 at the end of the buckling portion 42, and a buckle groove 342 that cooperates with the barb 421 is provided on the opposite outer side of the holding portion 34. The locking mechanism 4 is provided with a pair of pivoting portions pivotally connected to the two holding portions 34, the pivoting portions are a pair of pivoting portions which are pivotally connected in the pivot holes 341 on both sides of the base portion 41 Pivot 411. The card edge connector 100 further includes at least one metal fastener 35 mounted on the side 32 or end 33 of the plastic housing 3. Correspondingly, the side 32 is provided with a convex portion 321 that protrudes outward And a first holding groove 3211 installed in the convex portion 321 to install the metal lock 35, and a bottom holding edge of the end portion 33 is also provided with a second holding groove 332 to install the metal lock 35 The bottom edge of the side portion 32 and the end portion 33 is provided with the metal locking member 35, which can effectively enhance the stability of fixing the card edge connector 100 to the circuit board (not shown). The plastic shell 3 is further provided with a frame leaning portion leaning around the top surface 11 of the insulating body 1, the frame leaning portion includes extending from the upper ends of the side portion 32 and the end portion 33 to the receiving space 311 respectively The first frame leaning portion 322 and the second frame leaning portions 333 located at both ends of the side portion 32, the groove 331 penetrates the second frame leaning portion 333 upward. The inner wall surfaces of the side portion 32 and the end portion 33 of the plastic housing 3 are provided with convex ribs 323 that interfere with the side wall 13 and the end wall 14 of the insulating body 1. Since both the holding portion 34 and the groove 331 are provided Placed on the plastic casing 3, the locking mechanism 4 is pivotally connected to the plastic casing 3 instead of the insulating body 1, thus not only reduces the manufacturing difficulty of the insulating body 1, but also enhances the Structural strength. In addition, the card edge connector 100 of the present invention not only provides an elastic deformation space when the plastic housing 3 is assembled to the insulating body 1 by providing a groove 331 at the end 33 of the plastic housing 3, but also The assembly of the plastic housing 3; and the holding portion 34 is located on both sides of the groove 331, when the locking mechanism 4 is assembled to the holding portion 34, the groove 331 is also The elastic deformation of the locking portion 34 provides a space, so that the pivoting portion can be more easily assembled to the two locking portions 34 of the locking mechanism 4.

Please also refer to another embodiment shown in the seventh figure. The card edge connector 200 of the present invention can be installed on a circuit board (not shown). The card edge connector 200 is used to insert an electronic card ( (Not shown). The main difference between the card edge connector 200 and the above-mentioned card edge connector 100 is that the side portion 32 of the card edge connector 200 does not fix the card edge connector 100 by installing a metal locking member 35, but by setting A fixing portion 36 integrally extending downward from a bottom edge of the side portion 32, the fixing portion 36 includes a vertical portion 361 extending from the bottom edge of the side portion 32 and a free end from the vertical portion 361 A hook portion 362 that is bent and extended, and the hook portion 362 is bent and extended from the free end of the vertical portion 361 to the outside of the receiving space 311 to the circuit board (not shown) to The card edge connector 200 is stabilized. In the card edge connector 200 of the present invention, the fixing portion 36 is provided on the side portion 32 and the metal latch 35 is provided on the end portion 33, which can effectively enhance the insertion strength of the card edge connector 200 and increase the card edge connector 200 Stability after installation.

In summary, the present invention meets the requirements of the invention patent, and the patent application is filed in accordance with the law. However, the above are only the preferred embodiments of the present invention, and the scope of the present invention is not limited to the foregoing embodiments. For those who are familiar with the skills of this case, equivalent modifications or changes made in accordance with the spirit of the present invention are all It should be covered by the following patent applications.

1: Insulation body

11: top surface

111: Center slot

12: mounting surface

13: Side wall

14: end wall

2: conductive terminal

3: Plastic shell

31: top

311: containment space

32: side

321: convex part

322: the first frame

323: rib

33: end

331: groove

333: The second frame

34: Card Holder

35: Metal lock firmware

4: locking mechanism

Claims (9)

A card edge connector, comprising: an insulating body including a top surface and a mounting surface opposite to the top surface, the insulating body defines a longitudinal direction and is provided with a recess formed by the top surface facing the mounting surface A central slot extending in the longitudinal direction, the central slot is surrounded by a pair of opposing side walls and a pair of end walls connecting the two side walls; the conductive terminals are housed in the insulating body; the locking mechanism; and A plastic casing covers the insulating body. The plastic casing has a receiving space for receiving the insulating body. The receiving space is composed of a pair of side portions and a pair of end portions corresponding to the side walls and the end walls, respectively. Formed around; wherein, at least one end of the plastic casing is provided with a groove, and the end is integrally extended outward with a pair of holding portions, the holding portions are located on both sides of the groove, and the locking card The mechanism is provided with a pair of pivoting parts pivotally connected to the two clamping parts. The card edge connector as described in item 1 of the patent application scope, wherein the opposite inner side of the clamping portion is provided with a pivot hole, the locking mechanism is provided with a base portion, and the pivotal connection portion is a pair of pivotally connected Pivot shafts located on both sides of the base in the pivot hole. The card edge connector as described in item 2 of the patent application scope, wherein the locking mechanism is provided with a pair of buckling portions on both sides of the base, a trigger portion extending upward from the base, and a In the blocking part between the pulling parts, a barb is provided at the end of the buckling part, and a buckling groove that cooperates with the barb is provided on the opposite outer side of the clamping part. The card edge connector as described in item 3 of the patent application scope, wherein a connecting portion is integrally connected between the two clamping portions, and the connecting portion extends integrally from the end of the plastic housing and is located in the groove Below. The card edge connector as described in item 4 of the patent application scope, wherein the card edge connector further includes at least one metal fastener installed on the side or end of the plastic housing. The card edge connector as described in item 4 of the patent application scope, wherein the plastic housing further includes a fixing portion extending downward from the side portion integrally, the fixing portion includes from the side portion A vertical portion extending from the bottom edge and a hook portion bent from the free end of the vertical portion, the hook portion bent from the free end of the vertical portion to the outside of the receiving space Extend. The card edge connector as described in item 5 of the patent application scope, wherein the side portion is provided with a convex portion protruding outward and a first holding groove provided in the convex portion, and the metal locking member is installed on the In the first holding groove, a second holding groove is provided at the end portion, and the metal locking member is installed in the second holding groove. The card edge connector as described in item 7 of the patent application range, wherein the plastic housing is provided with a frame-resting portion which is framed downwardly around the top surface of the insulating body, and the frame-resting portion comprises respective side portions And the first frame rest portion and the second frame rest portion extending from the upper end of the end portion to the receiving space, and the groove passes upward through the second frame rest portion. The card edge connector as described in item 8 of the patent application range, wherein the inner wall surfaces of the side and end portions of the plastic housing are provided with convex ribs that interfere with the side walls and end walls of the insulating body.

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