TWI410003B - Card-edge connector and method for making same - Google Patents

Abstract

A card edge connector for holding and electrically connecting an electronic card to a circuit board comprises a ∩-shaped insulation housing and a pair of locking device disposed on both sides of the insulation housing in an opposed and partially pivotal manner. The locking device is hollow, having a detent extending from the surface thereof with a slot disposed on both sides of the detent. Thus, the locking device becomes deformable into the hollow portion by force so as to hold or eject the electronic card inserted in the insulation housing in the direction parallel to the circuit board. In addition, a plurality of conductive contacts orthogonally disposed in the insulation housing and on the bottom surface of the insulation housing respectively in a staggered manner are provided. Also, the card-edge connector of this invention is stackable onto a same connector.

Description

Card edge connector and assembly method thereof

The present invention relates to a card edge connector and a method thereof, and more particularly to a stackable card edge connector suitable for a sinker.

The main circuit board of the electronic device is provided with different card edge connectors for providing plug-in connections of various modular electronic cards, so that the electrical contacts on the front edges of the respective electrons can electrically contact the corresponding cards. The edge connector is turned on. Each electronic card needs to be securely held in each corresponding card edge connector to ensure stable contact between the electrical contacts and the conductive terminals. Therefore, the card edge connector includes a connector having a conductive terminal, and further includes a latching device for holding the electronic card.

In the case of the continuous expansion of the functions of electronic devices, it is imperative to set up two electronic cards, and in response to consumer demand for electronic devices, electronic devices must be continuously expanded to meet the increase in functionality. Therefore, in order to meet such needs, it is necessary to develop a double-layer stacked card edge connector to stack two electronic cards.

Taiwan Patent No. 555197 discloses a stacked card edge connector which can be used for accommodating two memory modules, including an upper connector and a lower connector. The upper connector and the lower connector are respectively provided with a memory module. The storage trays of the group are inserted into the receiving slots of the upper connector and the lower connector respectively in an oblique manner, so that the user needs to tilt an angle when inserting the memory module into the receiving slot. Re-aligning the receiving slot, it is necessary to reserve the space for the operation, so how to make the space of the double-layered card edge connector more effective in design and more convenient for the user to operate. The industry needs to solve the problem.

The object of the present invention is to provide a card edge connector and a method for assembling the same, which can be fixedly and/or positioned to electrically connect at least one electronic card with a stacking arrangement of the innovative card positioning device and the connector to achieve space saving effect. .

It is an object of the present invention to provide a card edge connector and a method of assembling the same, which utilizes two sets of different size conductive terminals and card edge connector housings respectively to effectively save the height of the connector.

The card edge connector of the present invention for achieving the above object is used for fixing and electrically connecting an electronic card to a circuit board, and comprises an insulating housing, wherein the insulating housing is provided with a longitudinal portion, and the length of the long portion is Extending an arm portion on each side and perpendicular to the longitudinal portion, and providing a positioning portion on a surface of the arm portion; and a pair of card positioning devices are vertically disposed in a partially pivotal manner on the insulating housing In the arm portions on both sides of the portion, the pair of card positioning devices are hollow and a positioning block is protruded from the positioning portion of the surface corresponding to the arm portion, and a plurality of slots are formed on both sides of the positioning block for the surface of the pair of card positioning devices Forming a resilient arm, wherein when the card positioning device is received in the arm portion, the positioning block is pressed by the arm portion to generate an elastic deformation into the arm portion until the positioning block is fastened to the positioning portion. And causing the pair of card positioning devices to engage or retract the electronic card inserted in the longitudinal portion of the insulating case.

Another card edge connector of the present invention for achieving the above purpose is for fixing and electrically connecting an electronic card to a circuit board, comprising: an insulating housing, a plurality of conductive terminal groups and a spacer, the insulating housing a longitudinal portion having a plurality of terminal slots in the inner portion and the bottom surface thereof, and an arm portion extending from each of the two sides of the long portion and perpendicular to the longitudinal portion; and the plurality of conductive terminal groups are alternately Inserting vertically into the longitudinal portion of the insulating housing and horizontally disposed on the bottom surface of the elongated portion, and the conductive terminal group has an exposed end portion spaced apart from the longitudinal portion of the insulating housing; the spacer For fixing the exposed end portion of the plurality of conductive terminal groups; and a pair of card positioning devices, which are partially pivotally placed in the arms on both sides of the insulating housing, and are inserted or removed. An electronic card in the longitudinal portion of the insulating housing.

A card edge connector for achieving the above object is used for fixing and electrically connecting at least one electronic card to a circuit board, comprising: a connector group having a first insulating housing and a second insulation disposed in a stack The housing, and the first spacer, the second spacer and the plurality of conductive terminals, the first insulating housing and the second insulating housing are each provided with a longitudinal portion, and the plurality of terminals are disposed in the inner portion and the bottom surface thereof a slot extending from an arm portion of each of the longitudinal portions and perpendicular to the longitudinal portion, and a positioning portion is disposed on a surface of the arm portion; and the plurality of conductive terminal groups are alternately inserted vertically The longitudinal portions of the first insulating housing and the second insulating housing are horizontally disposed on a bottom surface of the elongated portion, and the conductive terminal group has a direction perpendicular to the electronic card insertion direction and along the first insulating housing The exposed portions of the body and the second insulating housing are spaced apart from each other; the first spacer is configured to fix the plurality of conductive terminal groups disposed in parallel with the longitudinal portion of the first insulating housing End portion and mating with the second insulating housing And the second spacer is configured to fix the exposed end portions of the plurality of terminal groups disposed in parallel with the longitudinal portions of the first insulating housing and the second insulating housing; and the two pairs of card positioning devices are The partial pivoting manners are respectively disposed in the arm portions on both sides of the first insulating housing and the second insulating housing, and the pair of card positioning devices are hollow and the surface is convex corresponding to the positioning portion of the arm portion. a positioning block, the two sides of the positioning block are provided with a long slot to form a resilient arm on the surface of the pair of card positioning devices. When the card positioning device is received in the arm, the positioning block receives the arm Squeezing, generating an elastic deformation into the arm until the positioning block is fastened to the positioning portion, so that the pair of card positioning devices are engaged or retracted to be inserted in any direction substantially parallel to the circuit board An electronic card in the longitudinal section of the insulating housing.

The method for assembling a card edge connector of the above object, wherein the card edge connector has an insulating housing, wherein the insulating housing is provided with a longitudinal portion, an arm portion and a card positioning device, and the inner portion and the bottom surface thereof are provided with a plurality of a terminal slot, the arm portion is disposed on two sides of the longitudinal portion and perpendicular to the longitudinal portion, and the card positioning device is partially pivotally disposed in the arm portion, and the snapping or retracting insertion An electronic card disposed in the longitudinal portion of the insulating housing, the method for assembling the card edge connector includes the steps of: staggering a first conductive terminal group having a first conductive terminal and a second conductive terminal Inserting horizontally into the terminal slot in the longitudinal portion of the insulating housing perpendicular to the longitudinal direction of the insulating housing, and perpendicular to the longitudinal direction of the insulating housing and along the card insertion direction of the electronic card a gap is reserved between the exposed end portions of the first conductive terminal group disposed in parallel with the longitudinal portion of the insulating housing; and a second conductive terminal group of the third conductive terminal and the fourth conductive terminal is alternately vertically disposed Along the longitudinal portion of the insulating housing And a exposed end portion of the second conductive terminal group disposed in the terminal groove of the surface of the insulating case and perpendicular to the card insertion direction of the electronic card and disposed along the longitudinal portion of the insulating case A gap is reserved therebetween; and a spacer is provided to fix a portion of the exposed portions of the first to fourth conductive terminals and combined with the insulating housing.

Referring to the first figure, an exploded perspective view of the card edge connector of the present invention is shown. The card edge connector 100 of the present invention is used for fixing and electrically connecting an electronic card to a circuit board (not shown), comprising: an insulating housing 10, wherein the insulating housing 10 is provided with a longitudinal portion 11 and An arm portion 14 is extended from each of the two sides of the longitudinal portion 11 and perpendicular to the longitudinal portion 11, and a positioning portion 18 is disposed on a surface of the arm portion 14; the plurality of conductive terminal groups are respectively staggered In the longitudinal portion 11 of the insulating housing 10 and on the bottom surface thereof (refer to FIG. 11A), and having a direction perpendicular to the card insertion direction of the electronic card and disposed along the longitudinal portion 11 of the insulating housing 10 An end portion (refer to FIG. 11B); a spacer 30 for fixing the exposed end portion of the plurality of conductive terminal groups; and a pair of card positioning devices 60 which are relatively vertically disposed in a partial pivot manner The arm portion 14 on both sides of the insulating housing 10 is used for fixing and/or positioning the electronic card (not shown).

A slot 12 is defined in the front end of the longitudinal portion 11, and a plurality of slots 13 are provided at the rear end of the slot 12 corresponding to the slot 12 (refer to FIG. 10A), and the slot 12 is provided. a plurality of terminal slots, and a plurality of terminal slots 81 are also disposed on the bottom surface of the elongated portion 11 (refer to FIG. 11A); and one side of the arm portion 14 is provided with a first through hole 15 and a second through hole 16 (refer to FIG. 8A), and a lock portion 17 is provided on one side of the first through hole 15 and the second through hole 16 , and the lock portion 17 is configured to lock the connector to the circuit board; The card positioning device 60 is provided with a latching portion 61 at the front end, and a card releasing portion 62 is disposed at the rear end, and the latching portion 61 passes through the first through hole 15, and the card releasing portion 62 is disposed. In the second through hole 16 , the button portion 18 ′ of the arm portion 14 is provided with a convex portion 64 , and the convex portion 64 is fastened to the buckle portion 18 ′ of the arm portion 14 , so that the pair of card positioning devices 60 can be Positioned within the arm portion 14 in a pivotal manner.

The spacer 30 is formed in a long strip shape and is provided with a plurality of slots 31, and a plurality of terminal slots 32 are formed in a stepped shape from the front side of the spacer 30, and the plurality of conductive terminal groups include a first a first conductive terminal group 51 of a conductive terminal and a second conductive terminal, and a second conductive terminal group 52 having a third conductive terminal and a fourth conductive terminal, and the first conductive terminal group 51 and the second conductive terminal group 52 A plurality of terminals are disposed, and the plurality of terminals are respectively disposed in the plurality of terminal slots 81 of the slot 12 and the bottom surface of the insulative housing 10, and are staggered to save the height of the insulative housing 10 of the connector group.

Please refer to the first figure and with reference to the second A diagram and the second B diagram, which are enlarged views showing different viewing angles of the card positioning device of the card edge connector of the present invention. In this embodiment, only one card positioning device is used for description, and the other card positioning device has the same structure, and is not illustrated. The pair of card positioning devices 60 are partially pivotally disposed in the arm portion 14 of the insulative housing 10, and the pair of card positioning devices 60 are provided with a latching portion 61 corresponding to the first through hole 15 of the arm portion 14. The second through hole 16 of the arm portion 14 is provided with a retreating portion 62, and the positioning portion 18 corresponding to the arm portion 14 is provided with a positioning block 63 on the surface thereof, and a long groove is formed on both sides of the positioning block 63. 65, and at least one hole 66 is asymmetrically opened with respect to the two sides of the positioning block 63 and the pair of long grooves 65 to form a hollow structure and a resilient arm that is deformed by force.

Please refer to the third A diagram and the third B diagram, which is a cross-sectional view taken along line A-A of the second A diagram and a cross-sectional view taken along line B-B of the second B diagram. As can be seen from the third A and third B, the pair of card positioning devices 60 are hollow, and when the card positioning device 60 is placed in the arm portion 14, the positioning block 63 receives the arm portion 14. The squeezing produces an elastic deformation into the arm portion 14 until the positioning block 63 is engaged with the positioning portion 18.

When the pair of card positioning devices 60 are placed on the arm portion 14, the convex portion 64 is fastened to the buckle portion 18' of the arm portion 14, and the positioning block 63 is pressed by the arm portion 14 to generate a The elastic deformation of the arm portion 14 is performed until the positioning block 63 is engaged with the positioning portion 18, and the positioning block 63 is fixed to the positioning portion 18 by the restoring force of the elastic arm. 61 is passed through the first through hole 15 of the arm portion 14, and the ejecting portion 62 is disposed in the second through hole 16 to engage or retract the pair of card positioning devices 60 into the insulating housing. The electronic card in the section 11 of the 10th.

Referring to Figure 4A, there is shown an exploded perspective view of another embodiment of the card edge connector of the present invention. The card edge connector 100 of the present invention is used for fixing and electrically connecting a first electronic card 1 and a second electronic card 2 to a circuit board 3 (refer to FIGS. 6A and 6B), including: The connector set has a first insulating housing 10 and a second insulating housing 20 stacked in a stack, and the connector set also has a first spacer 30, a second spacer 40 and a plurality of conductive terminals; The first card positioning device 60 is disposed on each side of the first insulative housing 10 for fixing and/or positioning the first electronic card 1 (refer to FIGS. 6A and 6B); A pair of second card positioning devices 70 are respectively disposed on two sides of the second insulative housing 20 for fixing and/or positioning the second electronic card 2 (refer to FIGS. 6A and 6B) .

Please refer to FIG. 4A in conjunction with reference to FIG. 4B, which shows a combined perspective view of another embodiment of the card edge connector of the present invention. The first insulating housing 10 includes a first elongated portion 11 , and a first slot 12 is defined at a front end of the first elongated portion 11 , and the first slot 12 corresponds to the first elongated portion 11 . The rear end is provided with a plurality of slots 13 (please refer to FIG. 10A), and a first arm portion 14 is extended from each of the two sides of the first lengthwise portion 11, and the first arm portion 14 is coupled to the first longitudinal portion. The long portion 11 is vertical, and one side of the first arm portion 14 is provided with a first through hole 15 and a second through hole 16 (refer to FIG. 8A), and the other side extends a locking portion 17, and The first arm portion 14 is provided with a positioning portion 18, a buckle portion 18' and two upper locking portions 19, 19', and a first receiving space 80 is disposed at a front end of the first insulating housing 10 to Inserting the first electronic card 1 (refer to FIG. 6A and FIG. 6B); and the first slot 12 is provided with a plurality of terminal slots for receiving the terminals of the plurality of conductive terminal groups for the foregoing An electronic card 1 is plugged in.

The second insulating housing 20 includes a second elongated portion, and the second end 22 of the second elongated portion 21 is also provided with a second slot 22 corresponding to the second slot 22 in the second elongated portion 21 The rear end is provided with a plurality of slots 23 (refer to FIG. 13A), and a second arm portion 24 is extended from each of the two second elongated portions 21, the second arm portion 24 and the second longitudinal portion The long portion 21 is perpendicular, and one side of the second arm portion 24 is provided with a third through hole 25 and a fourth through hole 26, and the other side extends the lock portion 27, and the surface and the bottom surface of the second arm portion 24 Each of the second insulative housings 20 is provided with a second accommodating space 90 for inserting a second electronic card 2 at the front end of the second insulative housing 20 . The second slot 22 is provided with a plurality of terminal slots for receiving the terminals of the plurality of conductive terminal sets for the second electronic card 2 to be inserted.

The first slot 12 is provided with a plurality of terminal slots, and a plurality of terminal slots 81 are also disposed on the bottom surface of the first lengthwise portion 11 (refer to FIG. 11A), and the second slot 22 is also A plurality of terminal slots are provided, and a plurality of terminal slots 91 are also disposed on the bottom surface of the second longitudinal portion 21 (refer to FIG. 14A), and the first spacers 30 are elongated and designed. A plurality of slots 31 are defined, and a plurality of terminal slots 32 are formed in a stepped shape from the front side of the first spacer, and the second spacer 40 is approximately T-shaped and also has a plurality of slots. 41, and a plurality of terminal slots 42 are formed in a stepped shape from the front side of the second spacer 40, and the plurality of conductive terminal groups are provided with a plurality of terminals, and the plurality of terminals are respectively placed in the first insertion The plurality of terminal slots of the slot 12, the second slot 22, the first insulative housing 10, the second insulative housing 20, the first spacer 30 and the second spacer 40 are staggered to save the connector. A space in which the first insulating housing 10 and the second insulating housing 20 are stacked.

The plurality of conductive terminal groups include a first conductive terminal group 51 having a first conductive terminal and a second conductive terminal, a second conductive terminal group 52 having a third conductive terminal and a fourth conductive terminal, a fifth conductive terminal and a first a third conductive terminal group 53 of six conductive terminals; and a fourth conductive terminal group 54 having a seventh conductive terminal and an eighth conductive terminal (refer to FIGS. 10A to 14B), and the first conductive terminal and The second conductive terminals are arranged in a staggered arrangement in the plurality of terminal slots of the first slot 12, and the first conductive terminals and the second conductive terminals have a direction perpendicular to the card insertion direction of the first electronic card 1 and along the The first longitudinal portion 11 is spaced apart from the exposed end portion, and the third conductive terminal and the fourth conductive terminal are arranged in a staggered manner in a plurality of terminal slots 81 of the bottom surface of the first longitudinal portion, and the third conductive portion The terminal and the fourth conductive terminal have a tip end that is perpendicular to the card insertion direction of the first electronic card 1 and spaced apart along the first lengthwise portion 11, and the fifth conductive terminal and the sixth conductive terminal are staggered. In the second slot 22 a plurality of terminal slots, wherein the fifth conductive terminal and the sixth conductive terminal have a tip end that is perpendicular to the card insertion direction of the second electronic card 2 and is spaced apart along the second lengthwise portion 21, and the seventh conductive portion The terminal and the eighth conductive terminal are disposed in a plurality of terminal slots 91 arranged in a staggered manner on the bottom surface of the second longitudinal portion 21, and the seventh conductive terminal and the eighth conductive terminal have a card insertion direction with the second electronic card 2 The ends are spaced apart perpendicularly and along the second lengthwise portion 21.

Referring to FIGS. 5A and 5B, an enlarged perspective view of the first card positioning device of the card edge connector of the present invention is shown. In this embodiment, only a pair of first card positioning devices 60 are described, and the structure of the second card positioning device 70 is the same as that of the first card positioning device 60, and therefore is not illustrated. The first card positioning device 60 is partially pivotally disposed in the first arm portion 14 of the first insulative housing 10, and the pair of first card positioning devices 60 corresponds to the first arm portion 14 The through hole 15 is provided with a first latching portion 61, and the second through hole 16 corresponding to the first arm portion 14 is provided with a first ejecting portion 62, and the positioning portion 18 corresponding to the first arm portion 14 is provided with a surface. Positioning block 63, and having a long slot 65 on both sides of the positioning block 63, the pair of first card positioning devices 60 are hollow (please refer to the third A and third B drawings), and the first card The positioning device 60 is asymmetrically opened with at least one hole 66 on opposite sides of the positioning block 63 and the pair of long grooves 65 to form a resilient arm, and the button portion 18 corresponding to the first arm portion 14 is formed. A protrusion 64 is provided. When the first card positioning device 60 is placed on the first arm portion 14, the protrusion 64 is fastened to the button portion 18' of the first arm portion 14, and the positioning block 63 is engaged. The first arm portion 14 is pressed by the first arm portion 14 to generate an elastic deformation into the first arm portion 14 , and the restoring force of the elastic arm is used until the positioning block 63 is engaged with the positioning portion 18 . At this time, the first fastening portion 61 passes through the first through hole 15 of the first arm portion 14, and the first ejecting portion 62 passes through the second through hole 16 of the first arm portion 14 and is placed therein. In the second through hole 16 , the first card positioning device 60 is engaged or retracted to be inserted into the first length 11 of the first insulating housing 10 in a direction substantially parallel to the circuit board 3 . An electronic card 1.

The pair of second card positioning devices 70 are partially pivotally disposed in the second arm portion 24 of the second insulative housing 20, and the pair of second card positioning devices 70 correspond to the third arm portion 24 The through hole 25 is provided with a second latching portion 71, and the fourth through hole 26 corresponding to the second arm portion 24 is provided with a second ejecting portion 72, and the positioning portion 28 corresponding to the second arm portion 24 is provided on the surface. Positioning block 73, and each of the two sides of the positioning block 73 is provided with a long slot 65, the pair of second card positioning device 70 is hollow (please refer to the third A figure and the third B picture), and in the second The card positioning device 70 is asymmetrically opened with at least one hole 66 on opposite sides of the positioning block 73 and the pair of long grooves 65 to form a resilient arm, and corresponding to the buckle of the second arm portion 24. 28' is provided with a convex portion 74. When the second card positioning device 70 is placed on the second arm portion 24, the convex portion 74 is fastened to the buckle portion 28' of the second arm portion 24, and the positioning block is fastened. Pressed by the second arm portion 24 to generate an elastic deformation into the second arm portion 24, and by the restoring force of the elastic arm until the positioning block 73 is engaged with the positioning 28, at this time, the second fastening portion 71 passes through the third through hole 25 of the second arm portion 24, and the second ejecting portion 72 passes through the fourth through hole 26 of the second arm portion 24 and is placed In the fourth through hole 26, the pair of second card positioning devices 70 are engaged or retracted into the second length portion 21 of the second insulative housing 20 in a direction substantially parallel to the circuit board 3. The second electronic card 2.

In the embodiment, the positioning portions 18 and 28 of the first arm portion 14 and the second arm portion 24 are a square hole, and the buckle portions 18' and 28' are a small circular hole, and the corresponding fastening is performed. The positioning blocks 63 and 73 of the square holes of the positioning portions 18 and 28 are formed as a ladder-shaped convex portion, and the convex portions 64 and 74 corresponding to the small circular holes fastened to the fastening portions 18' and 28' are a semi-circular convex portion; the second upper locking portion 19 and the second lower locking portion 29 of the first arm portion 14 and the second arm portion 24 are firstly locked by a locking component for stacking In the present embodiment, the lock fixing member is a sleeve 92 and a screw 93. The sleeve 92 is hollow and has a thread to lock with the screw 93. The locking portion 17 and the lower locking portion 27 are used to lock the card edge connector 100 of the present invention to the circuit board 3 (refer to FIGS. 19A and 19B).

Please refer to FIG. 6A and FIG. 6B, which are schematic diagrams showing the insertion of the first electronic card and the second electronic card by the card edge connector of the present invention. The two sides of the first electronic card 1 and the second electronic card 2 are respectively provided with a recessed hole 4, 5. When the first electronic card 1 is to be inserted into the first slot 12 of the connector set, The first electronic card 1 is horizontally placed in the first accommodating space 80 and aligned with the first slot 12, and the first electronic card 1 is horizontally pushed to the first slot 12 to Positioning, the first electronic card 1 is placed in the first latching portion 61 of the first arm portion 14 by the recessed hole 4, and the first electronic card 1 is placed. Inserted in a direction substantially parallel to the circuit board and fixed to the first slot 12 of the first insulative housing 10, and similarly, the second electronic card 2 is horizontally inserted by the same principle as described above. The second slot 22 is not described here.

Referring to the seventh figure, the first electronic card is shown as a perspective view of the card edge connector of the present invention. This embodiment is only described by the first electronic card. When the first electronic card 1 inserted in the first slot 12 is to be retracted from the card edge connector 100 of the present invention, the first card positioning device 60 is toggled to activate the first card portion. The first electronic card 1 is moved to the first accommodating space 80 to move against the first electronic card 1 to make the first electronic card 1 Exiting the first slot 12 of the connector group; similarly, when the second electronic card 2 (not shown) is to be withdrawn from the card edge connector 100 of the present invention, the second card positioning device is also toggled 70, the second latching portion 71 is moved outside the second accommodating space 90, and the second ejecting portion 72 is moved into the second accommodating space 90 to abut the second electronic card. 2, so that the second electronic card 2 exits the second slot 22 of the connector set.

Please refer to FIG. 8A to FIG. 18B for the assembly flow chart of the card edge connector of the present invention and with reference to the fourth to seventh figures. Firstly, the first card positioning device 60 is placed in the first arm portion 14 on both sides of the first insulating housing 10 (as shown in FIG. 8A and FIG. 8B), and the second card positioning device is further disposed. 70 is disposed in the second arm portion 24 on both sides of the second insulative housing 20 (as shown in FIG. 9A and FIG. 9B), and further has a first conductive terminal (the terminal is longer) and a second The first conductive terminal groups 51 of the conductive terminals (the terminals are shorter) are staggered with each other, and the staggered first conductive terminals and the second conductive terminals are horizontally arranged through the plurality of slots 13 at the rear end of the first elongated portion 11 Inserted into the terminal slot of the first slot 12 of the first lengthwise portion 11 (as shown in FIG. 10A and FIG. 10B), and then having the third conductive terminal (the longer terminal) and the first The second conductive terminal group 52 of the four conductive terminals (the terminals are shorter) is alternately vertically disposed in the plurality of terminal slots 81 along the bottom surface of the first longitudinal portion, and is electrically connected to the first conductive terminal and the second conductive terminal The terminals are arranged in a staggered manner (as shown in FIG. 11A and FIG. 11B), and then the plurality of slots 31 of the first spacer 30 are used to pass through An exposed end portion of the first conductive terminal group 51 and the second conductive terminal group 52 spaced apart from each other by a long portion 11 and a terminal groove 32 having a stepped shape by the first spacer 30 is coupled to the first conductive terminal group 51. After the second conductive terminal group 52 is combined, a stepped exposed end portion is formed to fix the exposed end portions of the first conductive terminal group 51 and the second conductive terminal group 52, so that the first spacer 30 is Combined with the first insulating housing 10 (as shown in FIG. 12A and FIG. 12B), and having a fifth conductive terminal (the longer terminal) and the sixth conductive terminal (the shorter terminal) The third conductive terminal group 53 is staggered with each other, and the staggered fifth conductive terminal and the sixth conductive terminal are horizontally inserted into the second long length via a plurality of slots 23 at the rear end of the second elongated portion 21. The terminal slot of the second slot 22 of the portion 21 (as shown in FIGS. 13A and 13B), and then having the seventh conductive terminal (the longer terminal) and the eighth conductive terminal (the terminal) The fourth conductive terminal group 54 of the short one is alternately vertically disposed at a plurality of ends along the bottom surface of the second lengthwise portion 21. In the slot 91, and arranged in a staggered manner with the fifth conductive terminal and the sixth conductive terminal (as shown in FIG. 14A and FIG. 14B), and then the combined second insulating housing 20 The third conductive terminal group 53 and the fourth conductive terminal group 54 are assembled with the combined first spacer 30 and the first insulating housing 10 (as shown in FIGS. 15A and 15B). The first conductive terminal to the eighth conductive terminal are different in length of each terminal, and the first conductive terminal to the eighth conductive terminal are caused by the difference in height between the first insulating case 10 and the second insulating case 20 The plurality of slots 41 of the second spacer 40 are passed through the first conductive terminals spaced apart from the first length 11 and the second length 21 to the eighth The exposed end portion of the conductive terminal is combined with the first conductive terminal group 51 to the fourth conductive terminal group 54 by the terminal groove 42 having the stepped shape of the second spacer 40, and then formed into a stepped exposed end portion. Fixing the exposed end portion of the first conductive terminal to the eighth conductive terminal, so that the second The spacer 40 is assembled with the first insulative housing 10, the second insulative housing 20, and the first spacer 30 (as shown in FIGS. 16A and 16B), and the first insulative housing is The body 10 and the second insulating housing 20 are stacked, and the sleeve 92 and the screw 93 of the locking component are passed through the two upper locking portions of the first arm portion 14 and the second arm portion 24 19, 19' and the two lower locking portions 29, 29' are interlocked with each other to fix the first insulating housing 10 and the second insulating housing 20 (as shown in Figures 17A to 18B) That is, the assembly of the card edge connector 100 of the present invention is completed.

Please refer to Figures 19A through 19C for a schematic diagram showing the connection of the card edge connector of the present invention to a circuit board. The two sides of the circuit board 3 are provided with two through holes corresponding to the locking portion 17 and the lower locking portion 27 of the first insulating housing 10 and the second insulating housing 20, and the first insulating housing 10 and the second insulating layer After the stacking of the housings 20, a stepped shape is formed, as shown in FIG. 19C, and the circuit board 3 electrically connected to the first insulating housing 10 and the second insulating housing 20 is a plate. And the sleeve 92 and the screw 93 of a locking component pass through the perforations of the circuit board 3 and are sleeve-locked to each other to lock the card edge connector 100 of the present invention to the circuit board 3.

100. . . Card edge connector

1. . . First electronic card

2. . . Second electronic card

3. . . Circuit board

4. . . The recess of the first electronic card

5. . . Second electronic card recess

10. . . Insulating housing, first insulating housing

11. . .緃长部,第一緃长部

12. . . Slot, first slot

13. . . Slot

14. . . Arm, first arm

15. . . First perforation

16. . . Second perforation

17. . . Lock, lock

18. . . Positioning department

18’. . . Buckle

19, 19’. . . Two upper locking parts

20. . . Second insulating housing

twenty one. . . Second length

twenty two. . . Second slot

twenty three. . . Slot

twenty four. . . Second arm

25. . . Third perforation

26. . . Fourth perforation

27. . . Lock down

28. . . Positioning department

28’. . . Buckle

29, 29’. . . Two lower locking parts

30. . . First spacer

31. . . Slot

32. . . Terminal slot

40. . . Second spacer

41. . . Slot

42. . . Terminal slot

51. . . First conductive terminal group

52. . . Second conductive terminal group

53. . . Third conductive terminal group

54. . . Fourth conductive terminal group

60. . . First card positioning device

61. . . First buckle

62. . . First card withdrawal department

63. . . Positioning block

64. . . Convex

65. . . Long slot

66. . . Hole

70. . . Second card positioning device

71. . . Second buckle

72. . . Second card withdrawal department

73. . . Positioning block

74. . . Convex

80. . . First accommodation space

81. . . Terminal slot of the bottom surface of the first longitudinal portion

90. . . Second accommodation space

91. . . Terminal slot of the bottom surface of the second longitudinal portion

92. . . casing

93. . . Screw

The first figure shows an exploded perspective view of the card edge connector of the present invention.

Figure 2A is an enlarged view showing the card positioning device of the card edge connector of the present invention.

Figure 2B is an enlarged view showing another view of the card positioning device of the card edge connector of the present invention.

The third A diagram shows a cross-sectional view taken along line A-A of the second A diagram.

The third B diagram shows a cross-sectional view taken along line B-B of the second B diagram.

Figure 4A is an exploded perspective view showing another embodiment of the card edge connector of the present invention.

Figure 4B is a perspective view showing the combination of another embodiment of the card edge connector of the present invention.

5A and 5B are enlarged perspective views showing the first card positioning device of the card edge connector of the present invention.

6A and 6B show a schematic diagram of a first electronic card and a second electronic card inserted in the card edge connector of the present invention.

The seventh figure shows a perspective view of the first electronic card being withdrawn from the card edge connector of the present invention.

8A to 18B are flowcharts showing the assembly of the card edge connector of the present invention.

19th, 19th, and 19th C are schematic views showing the connection of the card edge connector of the present invention to a circuit board.

100. . . Card edge connector

10. . . Insulating housing

11. . . Longitudinal section

12. . . Slot

14. . . Arm

17. . . Lock

18. . . Positioning department

18’. . . Buckle

30. . . Spacer

31. . . Slot

32. . . Terminal slot

51. . . First conductive terminal group

52. . . Second conductive terminal group

60. . . Card positioning device

61. . . Buckle

62. . . Card withdrawal department

63. . . Positioning block

64. . . Convex

Claims (13)

A card edge connector for fixing and electrically connecting an electronic card to a circuit board comprises: an insulating housing, wherein the insulating housing is provided with a long portion and extends from both sides of the long portion An arm portion is perpendicular to the longitudinal portion, and a positioning portion is disposed on a surface of the arm portion; and a pair of card positioning devices are partially pivotally disposed on opposite sides of the long portion of the insulating casing In the arm portion, a surface of the pair of card positioning devices is provided with a positioning block corresponding to the positioning portion of the arm portion, and a long groove is disposed on each side of the positioning block, and the pair of card positioning devices are hollow to Forming a resilient arm on the surface of the card positioning device. When the card positioning device is received in the arm portion, the positioning block is pressed by the arm portion to generate an elastic deformation into the arm portion until the positioning The block is fastened to the positioning portion, so that the pair of card positioning devices engages or retracts the electronic card inserted in the longitudinal portion of the insulating case. The card edge connector of claim 1, further comprising a plurality of conductive terminal sets and a spacer, wherein the plurality of conductive terminals are alternately disposed in the longitudinal portion of the insulating housing and the bottom surface thereof, and An exposed end portion is disposed perpendicular to the insertion direction of the electronic card and along the longitudinal portion of the insulating case, and the exposed end portion is fixed by the spacer. The card edge connector of claim 1, wherein one side of the arm portion is provided with a first perforation and a second perforation, and one side of the first perforation and the second perforation is provided with a lock. The lock portion is configured to be connected to the circuit board, and the front end of the pair of card positioning devices is respectively provided with a buckle portion, and each of the rear ends is provided with a card release portion, and the buckle portion is passed through The first through hole is disposed in the second through hole, and the convex portion is fastened to the buckle portion of the arm portion to pivotally position the pair of card positioning devices in the arm portion. A card edge connector for fixing and electrically connecting an electronic card to a circuit board comprises: an insulating housing, a plurality of conductive terminal sets and a spacer, wherein the insulating housing is provided with a longitudinal portion a plurality of terminal slots are defined in the inner portion and the bottom surface thereof, and an arm portion extends perpendicularly from the two sides of the long portion and is perpendicular to the longitudinal portion; and the plurality of conductive terminal groups are alternately inserted vertically in the insulation The lengthwise portion of the casing is horizontally disposed on the bottom surface of the elongated portion, and the conductive terminal group has an exposed end portion spaced apart from the long portion of the insulating casing; the spacer is configured to fix the plurality of conductive portions The exposed end portion of the terminal group; and a pair of card positioning devices are partially pivotally disposed in the arms of the two sides of the insulating housing, and the snapping or retracting is inserted into the longitudinal direction of the insulating housing The electronic card inside the long section. The card edge connector of claim 4, wherein the surface of the arm portion is provided with a positioning portion, and the pair of card positioning devices are hollow and a positioning block is convexly disposed corresponding to the positioning portion. A long slot is formed on both sides of the block to form a resilient arm on the surface of the pair of card positioning devices. When the card positioning device is placed in the arm portion, the positioning block is pressed by the arm portion to generate a Elastic deformation in the arm until the positioning block is fastened to the positioning portion, so that the pair of card positioning devices are engaged or retracted to be inserted into the longitudinal portion of the insulating housing in a direction substantially parallel to the circuit board card. The card edge connector of claim 4, wherein the pair of card positioning devices are asymmetrically open with at least one hole on opposite sides of the positioning block and the pair of long groove setting surfaces. A card edge connector for fixing and electrically connecting at least one electronic card to a circuit board, comprising: a connector set having a first insulating housing and a second insulating housing arranged in a stack, and a first interval The first insulating housing and the second insulating housing are each provided with a longitudinal portion, and the plurality of terminal slots are disposed in the inner portion and the bottom surface thereof, and the lengthwise An arm portion extends on each side of the portion and is perpendicular to the longitudinal portion, and a positioning portion is disposed on a surface of the arm portion; and the plurality of conductive terminal groups are alternately vertically inserted into the first insulating housing and The longitudinal portion of the second insulating housing is horizontally disposed on the bottom surface of the elongated portion, and the conductive terminal group has a direction perpendicular to the insertion direction of the electronic card and along the first insulating housing and the second insulating housing The first spacer is configured to fix the exposed end portions of the plurality of conductive terminal groups disposed in parallel with the longitudinal portion of the first insulating housing, and cooperate with the same a second insulating housing is coupled, and the second spacer is a plurality of terminal groups having exposed ends that are parallel to the longitudinal portions of the first and second insulating housings; and two pairs of card positioning devices are respectively disposed in a partial pivot manner In the arm portions on both sides of the first insulating housing and the second insulating housing, the pair of card positioning devices are hollow and the positioning portion of the surface corresponding to the arm protrudes from a positioning block, and both sides of the positioning block Each of the pair of card positioning devices is formed with a resilient arm. When the card positioning device is placed in the arm portion, the positioning block is pressed by the arm portion to generate a ball into the arm portion. Elastically deforming until the positioning block is fastened to the positioning portion, so that the pair of card positioning devices are engaged or retracted to be inserted into the longitudinal portion of the insulating housing in a direction substantially parallel to the circuit board card. The card edge connector of claim 7, wherein the arm portion of the first insulating housing is provided with two upper locking portions on the surface, and the arm portion of the second insulating housing is provided on the surface. The lower locking portion and the lower locking portion are used to lock the first insulating housing and the second insulating housing disposed in the stack by a locking component. The card edge connector of claim 7, wherein the first insulating housing and the second insulating housing are stacked to form a stepped shape. The card edge connector of claim 7 or 9, wherein the circuit board in which the first insulating housing and the second insulating housing are electrically connected is a plate. The card edge connector of claim 10, wherein the arm portion of the first insulating housing and the arm portion of the second insulating housing are provided with a locking portion for the stacking The connector set of the first insulative housing and the second insulative housing is locked to the circuit board. The card edge connector of claim 7, wherein the conductive terminal group comprises a first conductive terminal group having a first conductive terminal and a second conductive terminal, and has a third conductive terminal and a fourth conductive terminal. a second conductive terminal group, a third conductive terminal group having a fifth conductive terminal and a sixth conductive terminal, a fourth conductive terminal group having a seventh conductive terminal and an eighth conductive terminal, the first conductive terminal and the second conductive The terminal, the third conductive terminal and the fourth conductive terminal are alternately disposed in the terminal slot of the longitudinal portion of the first insulating housing and the bottom surface thereof, and the fifth conductive terminal and the sixth conductive terminal The electrical terminal, the seventh conductive terminal and the eighth conductive terminal are alternately disposed in the terminal groove of the longitudinal portion of the second insulating case and the bottom surface thereof. The invention relates to a method for assembling a card edge connector, wherein the card edge connector has an insulating housing, wherein the insulating housing is provided with a longitudinal portion, an arm portion and a card positioning device, and a plurality of terminal slots are arranged in the inner portion and the bottom surface thereof And the arm portion is disposed on two sides of the longitudinal portion and perpendicular to the longitudinal portion, the card positioning device is partially pivotally disposed in the arm portion, and the snapping or retreating is inserted into the arm portion An electronic card in the longitudinal portion of the insulating case, the method of assembling the card edge connector, comprising the steps of: staggering a first conductive terminal group having a first conductive terminal and a second conductive terminal perpendicular to the The longitudinal direction of the insulating housing is horizontally inserted into the terminal slot in the longitudinal portion of the insulating housing, and is perpendicular to the longitudinal direction of the insulating housing and opposite to the card insertion direction and along the insulating housing a gap is reserved between the exposed ends of the first conductive terminal group disposed in parallel with the longitudinal portion of the body; and a second conductive terminal group of the third conductive terminal and the fourth conductive terminal is alternately vertically disposed along the The bottom surface of the longitudinal portion of the insulating housing is provided The sub-slot is reserved between the elongated end portion of the insulating case and the exposed end portion of the second conductive terminal group disposed perpendicular to the card insertion direction of the electronic card and disposed along the longitudinal portion of the insulating case a gap; and a spacer for fixing a portion of the exposed portions of the first to fourth conductive terminals and incorporating the insulating housing.