CN217544972U - Card edge connector - Google Patents

Abstract

The utility model provides a card edge connector can connect a printed circuit board and a soft flat wire. The printed circuit board is provided with a buckling hole, an electrode plate, a first notch, a third notch, a first surface and a second surface on the corresponding side of the first surface. The card edge connector comprises a body, a fastener and a terminal. The body comprises an insertion opening, a first accommodating space, a third accommodating space, a second retaining wall and a fourth retaining wall. The buckling piece comprises a pushing piece, an elastic piece and a buckling block. The terminal can electrically connect the flexible flat wire and the electrode plate. After the pushing piece is acted by an acting force, the buckling piece is unlocked from the printed circuit board, and the flexible flat lead can be connected with the terminal through the insertion opening before or after the body is connected with the printed circuit board.

Description

Card edge connector

Technical Field

The utility model relates to a technical field of connector, especially a can carry out a card edge connector of hasp and unblock at printed circuit board and soft flat wire.

Background

Conventionally, a card edge connector is latched on a printed circuit board so that a cable line connected to the card edge connector, such as a single-core copper wire or a copper stranded wire, can electrically connect an electrode on the printed circuit board through the card edge connector.

In view of this, the present invention provides a card edge connector, which can solve the problem that the conventional connector cannot solve.

SUMMERY OF THE UTILITY MODEL

A first object of the present invention is to provide a card edge connector, which can connect a printed circuit board and a flexible flat wire.

A second object of the present invention is to provide a single or multiple fasteners for fastening a card edge connector on a printed circuit board.

The third objective of the present invention is to provide a plurality of terminal structures according to the above card edge connector, so as to achieve the purpose of electrically connecting the printed circuit board and the flexible flat wire.

The fourth objective of the present invention is to provide a retaining wall with asymmetric thickness according to the above-mentioned card edge connector, so as to avoid the mis-insertion and achieve the fool-proof purpose.

The fifth objective of the present invention is to provide a positioning retaining wall according to the above card edge connector, so as to achieve the purpose of guiding the card edge connector to insert into the printed circuit board.

To achieve the above and other objects, the present invention provides a card edge connector capable of connecting a printed circuit board and a flexible flat wire. The printed circuit board is provided with a buckling hole, an electrode plate, a first notch, a third notch, a first surface and a second surface on the corresponding side of the first surface, and the second surface is provided with the electrode plate and the buckling hole which penetrates through the first surface and the second surface. The card edge connector comprises a body, a fastener and a terminal. The body comprises an insertion opening, a first accommodating space, a third accommodating space, a second retaining wall and a fourth retaining wall. The insertion opening can be connected with the flexible flat lead, the first containing space and the third containing space and can be connected with the printed circuit board. The width of the second retaining wall is smaller than or equal to that of the fourth retaining wall, and the second retaining wall can correspond to the first notch and the fourth retaining wall can correspond to the third notch. The buckling piece comprises a pushing piece, an elastic piece and a buckling block. The elastic piece is connected with the pushing piece and the buckling block, the elastic piece is arranged on the body, the buckling block is formed at the free end of the buckling piece to correspond to the buckling hole, and the pushing piece is formed at the other free end of the buckling piece to receive acting force. The terminal is arranged in the insertion opening, the first accommodating space and the third accommodating space. The terminal can electrically connect the flexible flat wire and the electrode plate. When the body moves towards the printed circuit board, the second retaining wall can be inserted into the first notch, the fourth retaining wall can be inserted into the third notch, and the buckling block is inserted into the buckling hole, so that the body is locked on the printed circuit board by the buckling piece, after the pushing piece is acted by an acting force, the elastic piece deforms, the buckling block is separated from the buckling hole, the buckling piece is unlocked from the printed circuit board, and the flexible flat wire selectively passes through the insertion hole connecting terminal before or after the body is connected with the printed circuit board.

Preferably, wherein the body further comprises a positioning retaining wall and the printed circuit board further comprises a fifth notch, the positioning retaining wall corresponds to the fifth notch, so that when the body is combined with the printed circuit board, the positioning retaining wall is along the fifth notch to position the body on the printed circuit board, wherein the positioning retaining wall and the fifth notch are one or more, and the number of the fifth notch is not less than the number of the positioning retaining walls.

Preferably, the terminal further includes a first contact portion and a second contact portion, the first contact portion and the second contact portion are respectively formed at two free ends of the terminal, wherein the first contact portion is used for connecting the flexible flat conductive wire and the second contact portion for connecting the electrode pad.

Preferably, the terminal further includes a connecting portion formed between the first contact portion and the second contact portion, and the first contact portion and the second contact portion are connected by the connecting portion, so that when the body is connected to the printed circuit board, the first contact portion is adjacent to the first surface and the second contact portion is adjacent to the second surface, so that the first contact portion is between the first surface and the flexible flat cable.

Preferably, the terminal further includes a connecting portion formed between the first contact portion and the second contact portion, and the first contact portion and the second contact portion are connected by the connecting portion, so that when the body is connected to the printed circuit board, the first contact portion and the second contact portion are both adjacent to the first surface, and the first contact portion and the second contact portion are between the second surface and the flexible flat conductive wire.

Preferably, the terminal further includes a connecting portion formed between the first contact portion and the second contact portion, and the first contact portion and the second contact portion are connected by the connecting portion, so that when the body is connected to the printed circuit board, the flexible flat conductive wire is disposed between the first contact portion and the second contact portion, and the second contact portion is disposed between the second surface and the flexible flat conductive wire.

Preferably, the locking member further includes a first extending portion extending from one side of the insertion opening to extend the arm length of the locking member.

Preferably, the body further includes a second extending portion extending at one side of the insertion opening, wherein an end of the second extending portion is flush with or exceeds an end of the first extending portion.

Preferably, the body further comprises a buffer member for buffering and stopping the elastic member from continuously deforming.

Preferably, the body further comprises a plurality of stoppers and the pushing element further forms a plurality of flanks, the plurality of stoppers correspond to the plurality of flanks to buffer and stop the elastic element from continuously deforming, wherein the plurality of stoppers and the plurality of flanks are separated by a distance.

Preferably, the body further includes a second notch opened in the locking member to expose the pushing member from the body.

Preferably, the plurality of fasteners are provided and the body further includes a plurality of second notches, the plurality of fasteners are respectively disposed corresponding to the plurality of second notches to expose a portion or all of the plurality of fasteners, wherein the printed circuit board provides a plurality of fastening holes corresponding to the fastening blocks of the plurality of fasteners.

Preferably, the plurality of pushing members of the plurality of buckling members are connected with each other to form a common pushing member.

Preferably, the terminal further includes a first contact portion, a second contact portion and a fixing portion, the first contact portion is formed at a free end of the terminal, the second contact portion is formed between the first contact portion and the fixing portion, the fixing portion is formed at another free end of the terminal and fixed to the body, and the first contact portion is used for connecting the flexible flat conductive wire and the second contact portion for connecting the electrode pad.

Preferably, the plurality of buckling pieces and the printed circuit board form a plurality of buckling holes, the plurality of buckling pieces are respectively provided with a pushing piece, an elastic piece and a buckling block, the elastic piece is connected with the pushing piece and the buckling block, the buckling block is formed at the free end of the buckling piece so as to be arranged corresponding to the buckling holes, the pushing piece is formed at the other free end of the buckling piece so as to receive acting force, and when the pushing piece is acted by the acting force, the moving direction of the buckling piece is parallel to the first surface or the second surface of the printed circuit board.

Preferably, the pushing element receives the acting force, so that the moving direction of the locking element is parallel to or perpendicular to the first surface or the second surface of the printed circuit board.

Preferably, the first accommodating space and the third accommodating space are combined into a single accommodating space.

Compared with the conventional card edge connector, the utility model provides a card edge connector, it can be applied to printed circuit board and soft flat wire. Moreover, through the design of various structures, the moving direction of the locking element can be parallel to the first surface or the second surface of the printed circuit board or the moving direction of the locking element can be perpendicular to the first surface or the second surface of the printed circuit board.

Drawings

Fig. 1 is a perspective view of a card edge connector according to a first embodiment of the present invention.

Fig. 2 (a) is a plan view illustrating the printed circuit board of fig. 1 according to the present invention.

Fig. 2 (b) is a bottom view illustrating the printed circuit board of fig. 1 according to the present invention.

Fig. 3 (a) is a plan view illustrating the terminal provided on the body of fig. 1 according to the present invention.

Fig. 3 (b) is a bottom view illustrating the terminal provided on the body of fig. 1 according to the present invention.

Fig. 3 (c) is a rear view illustrating the body of fig. 1 provided with terminals according to the present invention.

Fig. 3 (d) is a front view illustrating the body of fig. 1 provided with terminals according to the present invention.

Fig. 4 (a) is a first cross-sectional view illustrating the card edge connector of fig. 1 combining a printed circuit board and a flexible flat cable according to the present invention.

Fig. 4 (b) is a second cross-sectional view illustrating the card edge connector of fig. 1 combining the printed circuit board and the flexible flat cable according to the present invention.

Fig. 5 (a) is a perspective view of a card edge connector according to a second embodiment of the present invention.

Fig. 5 (b) is a schematic perspective view of a card edge connector according to a second embodiment of the present invention.

Fig. 6 (a) is a first cross-sectional view illustrating the card edge connector of fig. 5 (a) and 5 (b) combining the printed circuit board and the flexible flat conductive wires according to the present invention.

Fig. 6 (b) is a second cross-sectional view illustrating the card edge connector of fig. 5 (a) and 5 (b) combining the printed circuit board and the flexible flat conductive wires according to the present invention.

Fig. 7 (a) is a perspective view of a card edge connector according to a third embodiment of the present invention.

Fig. 7 (b) is a schematic perspective view of a card edge connector according to a third embodiment of the present invention.

Fig. 8 is a schematic cross-sectional view illustrating the card edge connector of fig. 7 (a) and 7 (b) combining a printed circuit board and a flexible flat wire according to the present invention.

Fig. 9 (a) is a perspective view of a card edge connector according to a fourth embodiment of the present invention.

Fig. 9 (b) is a perspective view of a card edge connector according to a fourth embodiment of the present invention.

Fig. 10 (a) is a schematic view illustrating the card edge connector of fig. 9 (a) and 9 (b) connecting the printed circuit board and the flexible flat conductive wires according to the present invention.

Fig. 10 (b) is a bottom view illustrating a printed circuit board according to a fourth embodiment of the present invention.

Fig. 10 (c) is a plan view illustrating a printed circuit board according to a fourth embodiment of the present invention.

Fig. 11 is a schematic cross-sectional view illustrating the card edge connector of fig. 10 (a) combining a printed circuit board and a flexible flat cable according to the present invention.

Fig. 12 (a) is a perspective view of a card edge connector according to a fifth embodiment of the present invention.

Fig. 12 (b) is a perspective view of a card edge connector according to a fifth embodiment of the present invention.

Fig. 13 is a schematic cross-sectional view illustrating the card edge connector of fig. 12 (a) and 12 (b) combining a printed circuit board and a flexible flat wire according to the present invention.

Fig. 14 (a) is a schematic perspective view of a card edge connector according to a sixth embodiment of the present invention.

Fig. 14 (b) is a schematic perspective view of a card edge connector according to a sixth embodiment of the present invention.

Fig. 15 is a schematic cross-sectional view illustrating the card edge connector of fig. 14 (a) and 14 (b) combining a printed circuit board and a flexible flat wire according to the present invention.

Fig. 16 (a) is a perspective view of a card edge connector according to a sixth embodiment of the present invention.

Fig. 16 (b) is a perspective view of a card edge connector according to a sixth embodiment of the present invention.

Fig. 16 (c) is a bottom view of a card edge connector according to a sixth embodiment of the present invention.

Fig. 17 (a) is a bottom view illustrating the printed circuit boards of fig. 16 (a) to 16 (c), respectively, according to the present invention.

Fig. 17 (b) is a plan view illustrating the printed circuit boards of fig. 16 (a) to 16 (c), respectively, according to the present invention.

Description of the symbols:

2. 2', 2""', 2"" "

22. 22"', 22" "

24. 24"', 24" ""

26. 26', 26""', 26"" "

28. 28"', 28" "

210. 210"', 210" "

Fifth gap

214. 214"', 214" "". The electrode pads

4. 4', 4"" ". Soft flat wire

10. 10', 10"', 10" "', 10" ""

102. 102', 102"', 102" "', 102" "

1021

106. 106', 106"', 106" "'

1061

1062. The catch block 1062', 1062"', 1062" "

1064. Pusher elements 1064', 1064"', 1064" "

10642". The side wing

108. 108', 108"'. Insertion opening

1010. 1010', 1010"', 1010" ". The terminal is connected to the ground

10102. 10102', 10102 "'. The connecting part

10104. 10104', 10104""'

10106. 10106', 10106""'

10108 ".. Fixed part

1012. 1012', 1012"'. Second retaining wall

1014. 1014', 1014"'. Fourth retaining wall

Sixth retaining wall

1018

1020. 1020', 1020"'. Elastic member

1022. 1022", 1022"'

1023", 1023'". Second notch

Stop block

SP1, SP1', SP1". First accommodation space

SP3, SP3', SP3". Cndot

SP 5' ″

Detailed Description

For a full understanding of the objects, features and functions of the present invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.

In the present disclosure, "a" or "an" is used to describe the elements, components and assemblies described herein. This is for convenience of illustration only and provides a general sense of the scope of the invention. Accordingly, unless clearly indicated to the contrary, such description should be read to include one, at least one and the singular also includes the plural.

In the present application, the terms "comprising," "including," "having," "containing," or any other similar terms are intended to cover non-exclusive inclusions. For example, an element, structure, article, or apparatus that comprises a plurality of elements is not limited to only those elements but may include other elements not expressly listed or inherent to such element, structure, article, or apparatus. In addition, unless explicitly stated to the contrary, the term "or" is intended to mean an inclusive "or" rather than an exclusive "or".

Fig. 1 is a schematic perspective view of a card edge connector according to a first embodiment of the present invention. In fig. 1, the card edge connector 10 is capable of connecting a printed circuit board 2 and a flexible flat cable 4. Fig. 2 (a) and 2 (b) are also referred to, respectively, to illustrate a top view and a bottom view of the printed circuit board of fig. 1 according to the present invention. In fig. 2 (a) and 2 (b), the pcb 2 has a fastening hole 26, an electrode plate 214, a first notch 28, a third notch 210, a first surface 22 and a second surface 24 of the corresponding side of the first surface 22, and the second surface 24 has the electrode plate 214 and the fastening hole 26 penetrating through the first surface 22 and the second surface 24. Here, the opening size of the first notch 28 is smaller than the opening size of the third notch 210. The number of the first openings 28 is described as one, but two or more openings may be provided in other embodiments.

Referring to fig. 3 (a) to 3 (d), schematic views of the terminal of fig. 1 are shown for illustrating various views of the body of the present invention. Fig. 3 (a) is a plan view illustrating the body installation terminal of fig. 1 according to the present invention; fig. 3 (b) is a bottom view illustrating the terminal provided on the body of fig. 1 according to the present invention; FIG. 3 (c) is a rear view illustrating the body of FIG. 1 provided with terminals according to the present invention; and, fig. 3 (d) is a front view illustrating the body of fig. 1 provided with terminals according to the present invention.

The card edge connector 10 includes a body 102, a latch 106 and a terminal 1010.

The body 102 includes an insertion opening 108, a first accommodating space SP1, a third accommodating space SP3, a second retaining wall 1012 and a fourth retaining wall 1014. The insertion opening 108 can connect the flexible flat wires 4 with the first accommodation space SP1 and the third accommodation space SP3, and can connect the printed circuit board 2. Herein, the width of the second retaining wall 1012 is smaller than the width of the fourth retaining wall 1014, and in other embodiments, the width of the second retaining wall 1012 may be equal to the width of the fourth retaining wall 1014. The second retaining wall 1012 can be disposed corresponding to the first notch 28 and the fourth retaining wall 1014 can be disposed corresponding to the third notch 210.

In another embodiment, the body 102 further comprises a buffer 1022 for buffering and stopping the elastic element 1020 from continuously deforming.

Fig. 4 (a) to 4 (b) are schematic cross-sectional views illustrating the card edge connector of fig. 1 combining the printed circuit board and the flexible flat conductive wires according to the present invention. Fig. 4 (a) is a schematic first cross-sectional view illustrating the card edge connector of fig. 1 combining a printed circuit board and a flexible flat wire according to the present invention; fig. 4 (b) is a second cross-sectional view illustrating the card edge connector of fig. 1 combining the printed circuit board and the flexible flat wire according to the present invention.

The locking element 106 includes a pushing element 1064, an elastic element 1020, and a locking block 1062. The elastic element 1020 connects the pushing element 1064 and the latch block 1062, the elastic element 1020 is disposed on the body 10, the latch block 1062 is formed at a free end of the latch 106 to be disposed corresponding to the latch hole 26, and the pushing element 1064 is formed at another free end of the latch 1062 to be capable of receiving an acting force (not shown).

Here, the latch 106 further includes a first extending portion 1061 extending at one side of the insertion opening 108 to extend the arm length of the latch 106.

The terminal 1010 is disposed in the insertion opening 108, the first accommodation space SP1 and the third accommodation space SP3. The terminals 1010 can electrically connect the flexible flat leads 4 and the electrode pads 214. The terminal 1010 further includes a first contact portion 10104 and a second contact portion 10106. A first contact portion 10104 and a second contact portion 10106 are formed at two free ends of the terminal 1010, respectively. The first contact portion 10104 can connect the flexible flat wire 4 and the second contact portion 10106 can connect the electrode pad 214. Here, the terminal 1010 further includes a connection portion 10102 formed between the first contact portion 10104 and the second contact portion 10106. When the body 102 is connected to the printed circuit board 2, the first contact portion 10104 and the second contact portion 10106 are adjacent to the first surface 22 and the second surface 24 respectively, so that the first contact portion 10104 is between the first surface 22 and the flexible flat wire 4.

Therefore, when the body 102 moves toward the pcb 2, the second retaining wall 1012 can be inserted into the first notch 28 and the fourth retaining wall 1014 can be inserted into the third notch 210, and the locking block 1062 is inserted into the locking hole 26, so that the body 102 is locked on the pcb 2 by the locking element 106; moreover, when the pushing element 1064 is acted by an acting force, for example, in fig. 4 (a), the acting force is applied to the pushing element 1064, that is, in a downward direction of the drawing, so that the elastic element 1020 will be deformed (for example, the elastic element 1020 is deformed due to the lifting of the pushing element 1064) to separate the latching block 1062 from the latching hole 26, so that the latching element 106 is unlocked from the pcb 2. The flexible flat lead 4 can be inserted into the insertion opening 108 after the body 102 is connected to the printed circuit board 2, or the flexible flat lead 4 can be inserted into the insertion opening 108 before the body 102 is connected to the printed circuit board 2.

In another embodiment, the body 102 further includes a positioning wall (refer to the sixth wall 1016 and the eighth wall 1018 in fig. 3 (d)) and the pcb 2 further includes a fifth notch 212 (refer to fig. 2 (a) and 2 (b)). The sixth retaining wall 1016 and the eighth retaining wall 1018 are respectively disposed corresponding to the fifth notch 212, so that when the body 102 is combined with the pcb 2, the sixth retaining wall 1016 and the eighth retaining wall 1018 locate the body 102 on the pcb 2 along the fifth notch 212. In other embodiments, the number of the positioning walls may be one or more than 2, the number of the positioning walls may be the same as or different from the number of the fifth notches 212, and in general, the number of the fifth notches 212 is equal to or more than the number of the positioning walls.

Please refer to fig. 5 (a) and 5 (b), which are schematic perspective views of a card edge connector according to a second embodiment of the present invention. In fig. 5 (a) and 5 (b), the card edge connector 10 'can also connect a printed circuit board and a flexible flat cable 4'. The card edge connector 10 'includes a body 102', a latch 106 'and a terminal 1010', which can refer to the descriptions of the body 102, the latch 106 and the terminal 1010 of the first embodiment.

The descriptions of the body 102', the latch 106', the terminal 1010', the second retaining wall 1012', the fourth retaining wall 1014', the first accommodating space SP1', the third accommodating space SP3', the latch 1062', the pushing element 1064', the insertion opening 108', etc. can refer to the description of the first embodiment, and are not repeated herein.

Unlike the first embodiment, the body 102' further includes a second extension 1021' extending along one side of the insertion opening 108 '. Herein, the end of the second extension portion 1021 'may be the same as the end of the first extension portion 1061, except that the end of the second extension portion 1021' may be flush with the end of the first extension portion 1061, or the second extension portion 1021 may exceed the end of the first extension portion 1061.

Fig. 6 (a) to 6 (b) are cross-sectional views illustrating the card edge connector of fig. 5 (a) and 5 (b) combining the printed circuit board and the flexible flat conductive wires according to the present invention. Fig. 6 (a) is a first cross-sectional view illustrating the card edge connector of fig. 5 (a) and 5 (b) combining the printed circuit board and the flexible flat conductive wires according to the present invention; fig. 6 (b) is a second cross-sectional view illustrating the card edge connector shown in fig. 5 (a) and 5 (b) combining the printed circuit board and the flexible flat conductive wires according to the present invention.

The operation of the locking block 1062 'and the locking hole 26' is similar to that of the first embodiment, and therefore, the detailed description thereof is omitted.

Here, the terminal 1010' is different from the terminal 1010 of the first embodiment. In the present embodiment, the terminal 1010 'further includes a connection portion 10102' formed between the first contact portion 10104 'and the second contact portion 10106'. The first contact portion 10104 'and the second contact portion 10106' are connected by the connection portion 10102', such that when the body 102' is connected to the printed circuit board 2', the first contact portion 10104' and the second contact portion 10106 'are both adjacent to the first surface of the printed circuit board 2', and the first contact portion 10104 'and the second contact portion 10106' are between the second surface of the printed circuit board 2 'and the flexible flat wire 4'. The definitions of the first surface and the second surface can be referred to as shown in fig. 2, and are not described herein again.

Fig. 7 (a) and 7 (b) are schematic perspective views of a card edge connector according to a third embodiment of the present invention. In fig. 7 (a) and 7 (b), the card edge connector 10 ″ can also connect a printed circuit board and a flexible flat cable. The card edge connector 10 "includes a body 102", a latch 106 "and a terminal 1010", which can refer to the descriptions of the body 102, the latch 106 and the terminal 1010 of the first embodiment. The descriptions of the second retaining wall 1012", the fourth retaining wall 1014", the first accommodating space SP1", the third accommodating space SP3", the fastening block 1062", the pushing element 1064", the insertion opening 108' "and the like may refer to the description of the first embodiment, and are not repeated herein.

Fig. 8 is a schematic cross-sectional view illustrating the card edge connector of fig. 7 (a) and 7 (b) combining the printed circuit board and the flexible flat conductive wires according to the present invention.

Herein, the body 102 "further comprises a plurality of stoppers 1024" and the pushing element 1064 "further forms a plurality of wings 10642", and the number of the stoppers 1024 "and the wings 10642" is 2 for example. The stopper 1024 "faces the side wing 10642" to buffer and stop the elastic member 1020 "from continuously deforming. The stop 1024 "is spaced apart from the wing 10642" by a distance corresponding to the actuation stroke of the pushing element 1064". In addition, the main body 102 "further includes a second notch 1023" opened in the locking element 106 "to expose the pushing element 1064" on the main body 102 ".

Further, pusher 1064 ″ is a pusher 1064 different from the first and second embodiments. In this embodiment, the catch block 1062 "is formed between the elastic element 1020" and the pushing element 1064", and the elastic element 1020" can be deformed by applying an external force on the pushing element 1064", so that the catch block 1062" moves downward in the drawing.

Please refer to fig. 9 (a) and 9 (b), which are schematic perspective views of a card edge connector according to a fourth embodiment of the present invention. In fig. 9 (a) and 9 (b), the card edge connector 10"' can also connect a printed circuit board 2" ' and a flexible flat wire 4"', and fig. 10 (a) is also referred to for illustrating the connection of the printed circuit board and the flexible flat wire by the card edge connector of fig. 9 (a) and 9 (b).

In fig. 9 (a) and 9 (b), the body 102"', the two latches 106" ', the two pushing elements 1064"', the fifth accommodating space SP5" ', the terminal 1010"', the second retaining wall 1012" ', the fourth retaining wall 1014"', the second gap 1023" ', the insertion opening 108"', the two cushion 1022" ' and the like are provided for the display card edge connector 10 "'. Except that the two locking elements 106', the two pushing elements 1064', the two second gaps 1023 ', and the fifth accommodating space SP 5' are different from the embodiments, the rest of the embodiments can be referred to the above embodiments, and are not described herein.

Here, the card edge connector 10 "'provides two snap-in structures 106"' different from the structure of the single snap-in structure mentioned in the previous embodiment; and, the card edge connector 10 "'provides a single fifth accommodating space SP5"', which is different from the two accommodating spaces mentioned in the previous embodiments. In order to enable the card edge connector 10 "'to be adapted to the printed circuit board 2"', the printed circuit board 2 "'needs to be adjusted, and the printed circuit board 2"' is also provided with a corresponding number of fastening holes 26 "'to correspond to the fastening blocks of the fastening element 106"', which can consider fig. 10 (b) and 10 (c) together, so as to illustrate the printed circuit board according to the second embodiment of the present invention. Fig. 10 (b) is a bottom view illustrating a printed circuit board according to a fourth embodiment of the present invention, and fig. 10 (c) is a top view illustrating a printed circuit board according to a fourth embodiment of the present invention.

Besides, the plurality of fasteners 106 "'are also provided, the plurality of second gaps 1023"' are also provided. The fasteners 106"' are respectively disposed corresponding to the second gaps 1023" ' to expose a portion or all of the fasteners 106 "'.

The printed circuit board 2"' has two fastening holes 26" ', the first notch 28"', the third notch 210" ', the second surface 24"', the first surface 22" ', the electrode pad 214"' and the like, which are described above and will not be described herein.

Fig. 11 is a schematic cross-sectional view illustrating the card edge connector of fig. 10 (a) combining the printed circuit board and the flexible flat conductive wires according to the present invention. In this embodiment, the fastening block 1062 "'is formed between the elastic element 1020"' and the pushing element 1064"', and the elastic element 1020"' can be deformed by applying an external force on the pushing element 1064 "'so that the fastening block 1062"' moves downward in the drawing plane.

Fig. 12 (a) and 12 (b) are schematic perspective views illustrating a card edge connector according to a fifth embodiment of the present invention. In fig. 12 (a) and 12 (b), the card edge connector 10"" is similarly capable of connecting a printed circuit board 2"" to a flexible flat wire 4"". In this embodiment, the card edge connector 10"" is different from the fourth embodiment in that two locking elements 106"" and a single accommodating space are provided, and the two locking elements 106"" are connected to form a common pushing element, where the common pushing element can be formed by connecting the two locking elements 106"" through an additional board (not shown) or directly being an independent board.

Fig. 13 is a schematic cross-sectional view illustrating the card edge connector of fig. 12 (a) and 12 (b) combining the printed circuit board and the flexible flat conductive wires according to the present invention. In this embodiment, the terminal 1010"" further includes a first contact portion 10104"", a second contact portion 10106"", and a fixing portion 10108"". The first contact portion 10104"" is formed at the free end of the terminal 10"". The second contact portion 10106"" is formed between the first contact portion 10104"" and the fixing portion 10108"", and the fixing portion 10108"" is formed at the other free end of the terminal 1010"" and fixed to the body 102"". The first contact portion 10104"" can be connected with the flexible flat lead 4"" and the second contact portion 10106"" can be connected with the electrode sheet of the electrode sheet printed circuit board 2"".

Please refer to fig. 14 (a) and 14 (b), which are schematic perspective views of a card edge connector according to a sixth embodiment of the present invention. In fig. 14 (a) and 14 (b), the card edge connector 10"" ' can also connect a printed circuit board 2"" ' with a flexible flat wire 4"" '. In the embodiment, the card edge connector 10"", except for the structure of two locking elements 106""', a single accommodating space and a common pushing element as in the fifth embodiment, has a difference in terminals, and reference may be made to fig. 15 for illustrating a cross-sectional view of the card edge connector of fig. 14 (a) and 14 (b) combining a printed circuit board and a flexible flat conductive wire according to the present invention. The terminal further includes a connection portion 10102"" ' formed between the first contact portion 10104"" ' and the second contact portion 10106"" '. When the body 102"" ' is connected to the printed circuit board 2"" ' by the connection portion 10102"" ' through the first contact portion 10104"" ' and the second contact portion 10106"" ', the flexible flat wire 4"" ' is disposed between the first contact portion 10104"" ' and the second contact portion 10106"" ', and the second contact portion 10106"" ' is disposed between the second surface of the printed circuit board 2"" ' and the flexible flat wire 4"" '.

Please refer to fig. 16 (a) and 16 (b), which are schematic perspective views of a card edge connector according to a sixth embodiment of the present invention, and fig. 16 (c), which is a bottom view of the card edge connector according to the sixth embodiment of the present invention. In fig. 16 (a) to 16 (c), the card edge connector 10"" "is also capable of connecting a printed circuit board 2" "" and a flexible flat wire 4"" ". Unlike the previous embodiments, the card edge connector of the previous embodiments operates such that the moving direction of the latch is perpendicular to the first surface or the second surface of the printed circuit board when the pushing element is subjected to the acting force, and the card edge connector 10"" "of the present embodiment operates such that the moving direction of the latch 106" "" is parallel to the first surface or the second surface of the printed circuit board 2"" "when the pushing element 1064" "' is subjected to the acting force F" ", so as to be unlocked by disengaging the latch 1062" "" from the latch hole 26"" "of the printed circuit board 2" "; on the contrary, when the acting force F "" is not applied, the latch block 1062"" latches the latch hole 26"" of the printed circuit board 2"" to lock the card edge connector 10"" to the printed circuit board 2"" ". In the above description, in order to adapt to the structure of the corresponding card edge connector 10"", the printed circuit board 2"" "also needs to be adjusted correspondingly, and fig. 17 (a) and 17 (b) are also referred to, respectively, to illustrate the bottom view and the top view of the printed circuit board of fig. 16 (a) to 16 (c) of the present invention. In fig. 17 (a) and 17 (b), the printed circuit board 2"" "has a first surface 22" "" and a second surface 24"" ". The first surface 22"" and the second surface 24"" are provided with a first gap 28"" ", a third gap 210" "and two fastening holes 26" ". The second surface 24"" "has an electrode sheet 214" ".

While the present invention has been disclosed in connection with the preferred embodiments, it will be understood by those skilled in the art that the embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of the present invention. It should be noted that equivalent changes and substitutions to the embodiments are all intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention is defined by the scope of the claims.

Claims (17)

1. An edge connector for connecting a printed circuit board and a flexible flat cable, wherein the printed circuit board has a latch hole, an electrode pad, a first notch, a third notch, a first surface and a second surface on a side corresponding to the first surface, and the second surface has the electrode pad and the latch hole penetrating through the first surface and the second surface, the edge connector comprising:

the body is provided with an insertion opening, a first accommodating space, a third accommodating space, a second retaining wall and a fourth retaining wall, the insertion opening is used for connecting the flexible flat wire with the first accommodating space and the third accommodating space for connecting the printed circuit board, the width of the second retaining wall is not larger than that of the fourth retaining wall, and the second retaining wall is used for being arranged corresponding to the first notch and the fourth retaining wall for being arranged corresponding to the third notch;

the buckle piece is provided with a pushing piece, an elastic piece and a buckle block, the elastic piece is connected with the pushing piece and the buckle block, the elastic piece is arranged on the body, and the buckle block is formed at the free end of the buckle piece so as to be arranged corresponding to the buckle hole and the pushing piece is formed at the other free end of the buckle piece so as to receive acting force;

the terminal is arranged in the insertion opening, the first accommodating space and the third accommodating space, and is used for electrically connecting the flexible flat lead and the electrode plate;

when the body moves towards the printed circuit board, the second retaining wall is inserted into the first notch and the fourth retaining wall is inserted into the third notch, the buckling block is inserted into the buckling hole, so that the body is locked on the printed circuit board by the buckling piece, and after the pushing piece is acted by the acting force, the elastic piece deforms to enable the buckling block to be separated from the buckling hole, so that the buckling piece is unlocked from the printed circuit board, and the flexible flat lead is selectively connected with the terminal through the insertion hole before or after the body is connected with the printed circuit board.

2. The card edge connector as claimed in claim 1, wherein the main body further comprises a positioning wall and the printed circuit board further comprises a fifth notch, the positioning wall is disposed corresponding to the fifth notch, so that when the main body is combined with the printed circuit board, the positioning wall is located on the printed circuit board along the fifth notch, wherein the number of the positioning wall and the fifth notch is one or plural, and the number of the fifth notch is not less than the number of the positioning wall.

3. The card edge connector as claimed in claim 1, wherein the terminal further comprises a first contact portion and a second contact portion, the first contact portion and the second contact portion are respectively formed at two free ends of the terminal, wherein the first contact portion is for connecting the flexible flat conductive wire and the second contact portion for connecting the electrode pad.

4. The card edge connector as claimed in claim 3, wherein the terminal further comprises a connecting portion formed between the first contact portion and the second contact portion, the first contact portion and the second contact portion are connected by the connecting portion such that when the body is connected to the printed circuit board, the first contact portion is adjacent to the first surface and the second contact portion is adjacent to the second surface such that the first contact portion is between the first surface and the flexible flat conductive wires.

5. The card edge connector of claim 3, wherein the terminal further comprises a connecting portion formed between the first contact portion and the second contact portion, the first contact portion and the second contact portion are connected to the printed circuit board through the connecting portion, and both the first contact portion and the second contact portion are adjacent to the first surface when the main body is connected to the printed circuit board, so that the first contact portion and the second contact portion are between the second surface and the flexible flat conductive wires.

6. The card edge connector of claim 3, wherein the terminal further comprises a connecting portion formed between the first contact portion and the second contact portion, the first contact portion and the second contact portion are connected by the connecting portion, so that when the main body is connected to the printed circuit board, the flexible flat conductive wire is disposed between the first contact portion and the second contact portion, and the second contact portion is disposed between the second surface and the flexible flat conductive wire.

7. The card edge connector as claimed in claim 1, wherein the latch further comprises a first extending portion extending at a side of the insertion opening to extend a length of a moment arm of the latch.

8. The card edge connector as claimed in claim 7, wherein the body further comprises a second extension portion extending at one side of the insertion opening, wherein an end of the second extension portion is flush with or exceeds an end of the first extension portion.

9. The card edge connector as claimed in claim 1, wherein the body further comprises a buffer member for buffering and stopping the elastic member from continuously deforming.

10. The card edge connector as claimed in claim 1, wherein the body further comprises a plurality of stoppers and the pushing element further forms a plurality of wings, the plurality of stoppers correspond to the plurality of wings to buffer and stop the elastic element from continuously deforming, wherein the plurality of stoppers are spaced apart from the plurality of wings.

11. The card edge connector as claimed in claim 10, wherein the body further comprises a second notch opened in the latch to expose the pushing element from the body.

12. The card edge connector as claimed in claim 1, wherein the plurality of latches are plural and the body further comprises a plurality of second notches, the plurality of latches are respectively disposed corresponding to the plurality of second notches for exposing a portion or all of the plurality of latches, wherein the printed circuit board provides a plurality of latch holes corresponding to the latch blocks of the plurality of latches.

13. The card edge connector as claimed in claim 12, wherein the plurality of pushing members of the plurality of latches are connected to each other to form a common pushing member.

14. The card edge connector of claim 1, wherein the terminal further comprises a first contact portion, a second contact portion and a fixing portion, the first contact portion is formed at a free end of the terminal, the second contact portion is formed between the first contact portion and the fixing portion, the fixing portion is formed at another free end of the terminal and fixed to the body, wherein the first contact portion is for connecting the flexible flat conductive wire and the second contact portion is for connecting the electrode pad.

15. The card edge connector of claim 1, wherein the plurality of latches and the printed circuit board form a plurality of latch holes, the plurality of latches respectively have a pushing member, an elastic member and a latch block, the elastic member connects the pushing member and the latch block, the latch block is formed at a free end of the latch for being disposed corresponding to the latch holes and the pushing member is formed at another free end of the latch for receiving an acting force, and when the pushing member is acted by the acting force, the pushing member makes a moving direction of the latch parallel to the first surface or the second surface of the printed circuit board.

16. The card edge connector as claimed in claim 1, wherein the pushing member is subjected to the force such that the moving direction of the latch is parallel or perpendicular to the first surface or the second surface of the printed circuit board.

17. The card edge connector as claimed in claim 1, wherein the first receiving space and the third receiving space are combined into a single receiving space.

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