TWI811835B - Card edge connector - Google Patents

Abstract

The present invention provides a card edge connector capable of connecting a printed circuit board and a flexible flat wire. The printed circuit board has a buckle hole, an electrode sheet, 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 includes a body, a buckle and a terminal. The body includes an insertion port, a first accommodating space, a third accommodating space, a second retaining wall and a fourth retaining wall. The buckle includes a pressing member an elastic piece and a buckle block. The terminal can electrically connect the flexible flat wire and the electrode sheet. Wherein, after the pressing member is subjected to a force, the buckle is unlocked from the printed circuit board, and the flexible flat wire can be connected to the terminal through the insertion port before or after the body is connected to the printed circuit board.

Description

card edge connector

The present invention is in the technical field of connectors, particularly a card edge connector that can lock and unlock a printed circuit board and a flexible flat wire.

Traditionally, the card edge connector is locked on the printed circuit board so that the cables connected to the card edge connector, such as single-core copper wires or copper stranded wires, can be electrically connected to the printed circuit board through the card edge connector. electrode.

In view of this, the present invention proposes a card edge connector that can solve problems that cannot be solved by traditional methods.

The first object of the present invention is to provide a card edge connector capable of connecting a printed circuit board and a flexible flat conductor.

The second object of the present invention is to provide single or multiple buckles according to the above-mentioned card edge connector, so as to fix the card edge connector to the printed circuit board.

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

The fourth object of the present invention is to provide a retaining wall with asymmetric thickness according to the above-mentioned card edge connector to avoid misinsertion and achieve the purpose of preventing fooling.

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

In order to achieve the above objects and other objects, the present invention provides a card edge connector capable of connecting a printed circuit board and a flexible flat wire. Wherein, the printed circuit board has a snap hole, an electrode piece, a first notch, a third notch, a first surface and a second surface on a corresponding side of the first surface, and the second surface has an electrode piece and The buckle hole penetrates the first surface and the second surface. The card edge connector includes a body, a fastener and a terminal. The main body includes an insertion opening, a first accommodation space, a third accommodation space, a second retaining wall and a fourth retaining wall. The insertion port can connect the flexible flat wire to the first accommodating space and the third accommodating space and can connect the printed circuit board. The width of the second retaining wall is less than or equal to the width of the fourth retaining wall, and the second retaining wall can be arranged corresponding to the first gap and the fourth retaining wall can be arranged corresponding to the third gap. The buckle part includes a pushing part, an elastic part and a buckle block. One end of the elastic member connects the push piece and the buckle block, and the other end of the elastic member is arranged on the body, and the buckle block is formed on the free end of the buckle piece to be arranged corresponding to the buckle hole, and the push piece is formed on the buckle piece. The other free end is capable of receiving force. The terminals are arranged in the insertion port, the first accommodating space and the third accommodating space. The terminal can electrically connect the flexible flat wire and the electrode piece. When the body moves toward the printed circuit board, the second retaining wall can be inserted into the first gap and the fourth retaining wall can be inserted into the third gap, and the buckle block is inserted into the buckle hole, so that the body is locked on the printed circuit board by the buckle piece. After the circuit board and the pushing member are subjected to the force, the elastic member deforms and the buckle block is detached from the card. The button hole allows the buckle to be unlocked from the printed circuit board, and the flexible flat wire is selectively connected to the terminal through the insertion port before or after the body is connected to the printed circuit board.

Compared with the traditional card edge connector, the present invention proposes a card edge connector that can be applied to printed circuit boards and flexible flat wires. In addition, through the design of various structures, it can be realized that the moving direction of the fastener can be parallel to the first surface or the second surface of the printed circuit board or the moving direction of the fastener can be perpendicular to the third surface of the printed circuit board. A surface or a second surface.

2. 2', 2'''', 2'''', 2''''', 2'''''': printed circuit board

22, 22'''', 22'''''': first surface

24, 24'''', 24'''''': second surface

26, 26, 26'''', 26'''', 26''''', 26'''''': snap hole

28, 28'''', 28'''''': the first gap

210, 210'''', 210'''''': the third gap

212:The fifth gap

214, 214'''', 214'''''': electrode sheet

4, 4', 4''', 4'''', 4'''''': flexible flat wire

10, 10', 10", 10''', 10'''', 10''''', 10'''''': card edge connector

102, 102', 102", 102''', 102'''', 102''''', 102'''''': body

1021':Second extension

106, 106', 106", 106''', 106'''', 106''''': snap fasteners

1061: First extension

1062, 1062', 1062", 1062''', 1062'''', 1062''''', 1062'''''': snap block

1064, 1064', 1064'', 1064''', 1064'''', 1064''''', 1064'''''': push parts

10642":Flanking

108, 108', 108", 108''': Insertion port

1010, 1010', 1010", 1010''', 1010'''': terminal

10102, 10102', 10102''''': connection part

10104, 10104', 10104'''', 10104''''': first contact part

10106, 10106', 10106'''', 10106''''': second contact part

10108'''':fixed part

1012, 1012', 1012", 1012'': second retaining wall

1014, 1014', 1014", 1014''': the fourth retaining wall

1016:The sixth retaining wall

1018:The eighth retaining wall

1020, 1020', 1020", 1020'': elastic parts

1022, 1022", 1022''': Buffer

1023", 1023''': second gap

1024":stop

SP1, SP1', SP1": first accommodation space

SP3, SP3', SP3": third storage space

SP5''': The fifth storage space

FIG. 1 is a schematic three-dimensional view of the card edge connector according to the first embodiment of the present invention.

Figure 2(a) is a top view of the printed circuit board of Figure 1 illustrating the present invention.

Figure 2(b) is a bottom view of the printed circuit board of Figure 1 illustrating the present invention.

FIG. 3(a) is a top view illustrating terminals provided on the body of FIG. 1 according to the present invention.

Figure 3(b) is a bottom view illustrating the terminals provided on the main body of Figure 1 of the present invention.

FIG. 3(c) is a rear view illustrating the terminals provided on the main body of FIG. 1 according to the present invention.

Figure 3(d) is a front view illustrating the terminals provided on the main body of Figure 1 of the present invention.

FIG. 4(a) is a first cross-sectional schematic diagram illustrating the card edge connector of FIG. 1 combining a printed circuit board and a flexible flat conductor according to the present invention.

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

FIG. 5(a) is a schematic three-dimensional view of the card edge connector according to the second embodiment of the present invention.

FIG. 5(b) is a schematic three-dimensional view of the card edge connector according to the second embodiment of the present invention.

Figure 6(a) is a first cross-sectional schematic diagram illustrating the card edge connector of Figures 5(a) and 5(b) of the present invention combining a printed circuit board and a flexible flat conductor.

FIG. 6(b) is a second cross-sectional view illustrating the card edge connector of FIGS. 5(a) and 5(b) of the present invention combining a printed circuit board and a flexible flat conductor.

Figure 7(a) is a three-dimensional schematic view of the card edge connector according to the third embodiment of the present invention.

Figure 7(b) is a three-dimensional schematic view of the card edge connector according to the third embodiment of the present invention.

Figure 8 is a schematic cross-sectional view illustrating the card edge connector of Figures 7(a) and 7(b) of the present invention combining a printed circuit board and a flexible flat conductor.

Figure 9(a) is a schematic three-dimensional view of the card edge connector according to the fourth embodiment of the present invention.

Figure 9(b) is a schematic three-dimensional view of the card edge connector according to the fourth embodiment of the present invention.

Figure 10(a) is a schematic diagram illustrating the connection between the card edge connector of Figures 9(a) and 9(b) of the present invention and the printed circuit board and the flexible flat wire.

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

Figure 10(c) is a top view of a printed circuit board illustrating the 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 conductor according to the present invention.

Figure 12(a) is a schematic three-dimensional view of the card edge connector according to the fifth embodiment of the present invention.

Figure 12(b) is a schematic three-dimensional view of the card edge connector according to the fifth embodiment of the present invention.

Figure 13 is a schematic cross-sectional view illustrating the card edge connector of Figures 12(a) and 12(b) of the present invention combining a printed circuit board and a flexible flat conductor.

FIG. 14(a) is a schematic three-dimensional view of the card edge connector according to the sixth embodiment of the present invention.

Figure 14(b) is a schematic three-dimensional view of the card edge connector according to the sixth embodiment of the present invention.

Figure 15 is a schematic cross-sectional view illustrating the card edge connector of Figures 14(a) and 14(b) of the present invention combining a printed circuit board and a flexible flat conductor.

FIG. 16(a) is a schematic three-dimensional view of the card edge connector according to the sixth embodiment of the present invention.

FIG. 16(b) is a schematic three-dimensional view of the card edge connector according to the sixth embodiment of the present invention.

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

FIG. 17(a) is a bottom view of the printed circuit board of FIGS. 16(a) to 16(c) respectively.

FIG. 17(b) is a top view of the printed circuit board of FIGS. 16(a) to 16(c) respectively according to the present invention.

In order to fully understand the purpose, characteristics and effects of the present invention, the present invention is described in detail through the following specific embodiments in conjunction with the attached drawings, as follows.

In the present invention, “a” or “an” is used to describe the units, elements and components described herein. This is done for convenience of explanation only and to provide a general sense of the scope of the invention. Accordingly, unless it is obvious otherwise, such description should be understood to include one, at least one, and the singular also includes the plural.

In this disclosure, the terms “includes,” “includes,” “has,” “contains,” or any other similar terms are intended to cover a non-exclusive inclusion. For example, an element, structure, article or device containing plural elements is not limited to the elements listed herein, but may include elements not expressly listed but that are generally inherent to the element, structure, article or device. Other requirements. Otherwise, unless expressly stated to the contrary, the term "or" means an inclusive "or" and not an exclusive "or".

Please refer to FIG. 1 , which is a schematic three-dimensional view of the card edge connector according to the first embodiment of the present invention. In FIG. 1 , the card edge connector 10 can connect a printed circuit board 2 and a flexible flat wire 4 . In addition, referring to FIGS. 2(a) and 2(b) together, the top view and the bottom view of the printed circuit board of FIG. 1 of the present invention are respectively explained. In Figures 2(a) and 2(b), the printed circuit board 2 has a snap hole 26, an electrode piece 214, a first notch 28, a third notch 210, a first surface 22 and a first surface A second surface 24 on the corresponding side of 22 , and the second surface 24 has an electrode piece 214 and a snap hole 26 penetrating 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 . In addition, the number of the first opening 28 is illustrated here as one. In other embodiments, the number of the first opening 28 may also be two or more.

3(a) to 3(d) together are schematic diagrams illustrating the terminals provided on the main body of FIG. 1 of the present invention. Figure 3(a) is a top view illustrating the terminals provided on the main body of Figure 1 of the present invention; Figure 3(b) is a bottom view illustrating the terminals provided with the body of Figure 1 of the present invention; Figure 3(c) is a illustrative view of the main body of Figure 1 of the present invention. A rear view with terminals provided; and Figure 3(d) is a front view illustrating the terminals provided on the main body of Figure 1 of 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 accommodation space SP1, a third accommodation space SP3, a second retaining wall 1012 and a fourth retaining wall 1014. The insertion opening 108 can connect the flexible flat wire 4 to the first accommodating space SP1 and the third accommodating space SP3 and can connect the printed circuit board 2 . Here, the width of the second retaining wall 1012 is smaller than the width of the fourth retaining wall 1014. In other embodiments, the width of the second retaining wall 1012 may be equal to the width of the fourth retaining wall 1014. In addition, the second retaining wall 1012 can be disposed corresponding to the first gap 28 and the fourth retaining wall 1014 can be disposed corresponding to the third gap 210 .

In another embodiment, the body 102 further includes a buffer member 1022 to buffer and stop the elastic member 1020 from continuing to deform.

Referring to FIGS. 4(a) to 4(b) together, a schematic cross-sectional view of the card edge connector of FIG. 1 combining a printed circuit board and a flexible flat conductor according to the present invention is illustrated. Figure 4(a) is a first cross-sectional schematic diagram illustrating the card edge connector of Figure 1 combined with a printed circuit board and a flexible flat conductor according to the present invention; and Figure 4(b) is a schematic diagram illustrating the card edge connector of Figure 1 combined with printed circuit boards of the present invention. The second cross-sectional view of the circuit board and the flexible flat conductor.

The buckle part 106 includes a pushing part 1064, an elastic part 1020 and a buckle block 1062. One end of the elastic member 1020 is connected to the pushing member 1064 and the buckle block 1062, and the other end of the elastic member 1020 is disposed on the body 10, and the buckle block 1062 is formed on the free end of the buckle member 106 to be able to be placed and pushed corresponding to the buckle hole 26. The pressing piece 1064 is formed on the other free end of the buckling piece 1062 to be able to receive the applied force (not shown).

Here, the buckle 106 further includes a first extension portion 1061 extending from one side of the insertion opening 108 to extend the length of the force arm of the buckle 106 .

The terminal 1010 is provided in the insertion opening 108, the first accommodation space SP1 and the third accommodation space SP3. In addition, the terminal 1010 can electrically connect the flexible flat wire 4 and the electrode sheet 214 . The terminal 1010 further includes a first contact portion 10104 and a second contact portion 10106. The first contact portion 10104 and the second contact portion 10106 are respectively formed on the two free ends of the terminal 1010 . Among them, the first contact part 10104 can connect the flexible flat wire 4 and the second contact part 10106 can connect the electrode sheet 214 . Here, the terminal 1010 further includes a connecting portion 10102 formed between the first contact portion 10104 and the second contact portion 10106. Among them, the first contact portion 10104 and the second contact portion 10106 are connected to the printed circuit board 2 through the connecting portion 10102, so that when the body 102 is connected to the printed circuit board 2, the first contact portion 10104 is adjacent to the first surface 22 and the second contact portion 10106. The contact portion 10106 is adjacent to the second surface 24 such that the first contact portion 10104 is between the first surface 22 and the flexible flat conductor 4 .

Therefore, when the body 102 moves toward the printed circuit board 2, the second blocking wall 1012 can be inserted into the first notch 28 and the fourth blocking wall 1014 can be inserted into the third notch 210, and the buckling block 1062 is inserted into the buckling hole 26, so that the body 102 is locked to the printed circuit board 2 by the buckle 106; and when the pushing member 1064 is acted upon by force, for example, in Figure 4(a), the force is exerted on the pushing member 1064, that is, the direction of the drawing In the downward direction, the elastic member 1020 will deform (for example, the elastic member 1020 is deformed due to the lifting of the pushing member 1064), causing the buckling block 1062 to break away from the buckling hole 26, so that the buckling member 106 is separated from the printed circuit board 2 Unlocked. The flexible flat wire 4 can be inserted into the insertion port 108 after the body 102 is connected to the printed circuit board 2, or the flexible flat wire 4 can be inserted in advance before the body 102 is connected to the printed circuit board 2. Mouth 108.

In another embodiment, the body 102 further includes a positioning retaining wall (see also the sixth retaining wall 1016 and the eighth retaining wall 1018 in FIG. 3(d)) and the printed circuit board 2 further includes a fifth notch 212 (also refer to the sixth retaining wall 1016 and the eighth retaining wall 1018 in FIG. 3(d)). Refer to Figures 2(a) and 2(b)). The sixth retaining wall 1016 and the eighth retaining wall 1018 are respectively provided corresponding to the fifth notch 212, so that when the body 102 is combined with the printed circuit board 2, the sixth retaining wall 1016 and the eighth retaining wall 1018 are along the fifth notch 212. Let the body 102 be positioned on the printed circuit board 2 . Among them, two positioning retaining walls are used as an example, namely the sixth retaining wall 1016 and the eighth retaining wall 1018 mentioned here. In other embodiments, the positioning retaining wall may be a single one or more than two. The number of positioning retaining walls and the number of fifth gaps 212 may be the same or different, and generally speaking, the number of fifth gaps 212 is equal to or greater than the number of positioning retaining walls.

Please refer to Figures 5(a) and 5(b), which are three-dimensional schematic diagrams of a card edge connector according to a second embodiment of the present invention. In Figures 5(a) and 5(b), the card edge connector 10' can also be connected to a printed circuit board. The circuit board and a flexible flat conductor 4'. The card edge connector 10' includes a body 102', a buckle 106' and a terminal 1010'. For details, please refer to the description of the body 102, the buckle 106 and the terminal 1010 of the first embodiment.

In addition, the body 102', the buckle 106', the terminal 1010', the second retaining wall 1012', the fourth retaining wall 1014', the first accommodation space SP1', the third accommodation space SP3', and the snap block 1062 For descriptions of ', the pushing member 1064', the insertion port 108', etc., reference can be made to the description of the first embodiment and will not be described again here.

The main difference from the first embodiment is that the body 102' further includes a second extension portion 1021' extending from one side of the insertion opening 108'. Here, in addition to being flush with the end of the first extension part 1061 as in the first embodiment, the end of the second extension part 1021' may also be as in this embodiment. The second extension part 1021 may exceed the end of the first extension part 1061.

6(a) to 6(b) together are illustrative cross-sectional views of the card edge connector of FIGS. 5(a) and 5(b) of the present invention combining a printed circuit board and a flexible flat conductor. Figure 6(a) is a first cross-sectional schematic diagram illustrating the card edge connector of Figures 5(a) and 5(b) of the present invention combining a printed circuit board and a flexible flat wire; and Figure 6(b) is a diagram illustrating the present invention. 5(a) and 5(b) are second cross-sectional views of the card edge connector combining the printed circuit board and the flexible flat wire.

The operations of the buckling block 1062' and the buckling hole 26' are similar to those shown in the first embodiment, and will not be described again here.

In this regard, the terminal 1010' is different from the terminal 1010 of the first embodiment. In this embodiment, the terminal 1010' further includes a connecting portion 10102' formed between the first contact portion 10104' and the second contact portion 10106'. The first contact part 10104' and the second contact part 10106' are connected through the connecting part 10102', so that when the body 102' is connected to the printed circuit board 2', the first contact part 10104' and the second contact part 10106' are connected through the connecting part 10102', so 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 adjacent to the first surface of the printed circuit board 2', so that the first contact portion 10104' and the second contact 10106' are in contact with the flexible flat conductor 4' on the second surface of the printed circuit board 2'. between. For the definitions of the first surface and the second surface, reference can be made to FIG. 2 , which will not be described again here.

Please refer to Figures 7(a) and 7(b), which are three-dimensional schematic diagrams of a card edge connector according to a third embodiment of the present invention. In Figures 7(a) and 7(b), the card edge connector 10" can also connect a printed circuit board and a flexible flat wire. The card edge connector 10" includes a body 102" and a buckle 106" and the terminal 1010", please refer to the description of the body 102, the buckle 106 and the terminal 1010 of the first embodiment. In addition, the second retaining wall 1012", the fourth retaining wall 1014", the first accommodation space SP1", For descriptions of the third accommodation space SP3", the buckle block 1062", the pushing member 1064", the insertion port 108"', etc., reference can be made to the description of the first embodiment and will not be repeated here.

Referring to FIG. 8 together, it is a schematic cross-sectional view of the card edge connector of FIGS. 7(a) and 7(b) of the present invention combining a printed circuit board and a flexible flat wire.

Here, the body 102" further includes a plurality of stoppers 1024" and a pusher 1064" to form a plurality of side wings 10642". The number of stoppers 1024" and side wings 10642" is illustrated by taking two as an example. The stopper 1024" faces the side wing 10642" to buffer and continuously deform the stop elastic member 1020". In addition, there is a distance between the stopper 1024" and the side wing 10642", and the aforementioned distance is the action of the pusher 1064" journey. In addition, the body 102" further includes a second notch 1023" opened in the buckle 106" to expose the pushing member 1064" on the body 102".

In addition, the pressing member 1064" is different from the pressing member 1064 of the first and second embodiments. In this embodiment, the buckling block 1062" is formed between the elastic member 1020" and the pressing member 1064". During this time, by applying external force to the pushing member 1064", the elastic member 1020" can be deformed, causing the buckle block 1062" to move downward in the figure.

Please refer to Figures 9(a) and 9(b), which are three-dimensional schematic diagrams of a card edge connector according to a fourth embodiment of the present invention. In Figures 9(a) and 9(b), the card edge connector 10''' can also connect a printed circuit board 2''' and a flexible flat wire 4'''. Please refer to Figure 10 as well. (a) is a schematic diagram illustrating the connection between the card edge connector of Figures 9(a) and 9(b) of the present invention and the printed circuit board and the flexible flat wire.

In Figures 9(a) and 9(b), it is shown that the card edge connector 10'''' provides a body 102''', two buckle parts 106''', two push parts 1064''', The fifth accommodation space SP5''', terminal 1010''', second retaining wall 1012''', fourth retaining wall 1014''', two second gaps 1023''', insertion port 108''' , two buffers 1022''', etc. Except for the two buckling parts 106''', the two pushing parts 1064''', the two second notches 1023''', and the fifth accommodation space SP5''', the rest are different from the previous embodiment. The parts can be referred to the previous embodiments and will not be described again here.

Here, the card edge connector 10''' provides a structure of two buckling parts 106''', which is different from the structure of a single buckling part mentioned in the previous embodiment; and, the card edge connector 10''' A single fifth accommodation space SP5'' is provided, which is different from the structure of the two accommodation spaces mentioned in the previous embodiment. In order to allow the card edge connector 10'''' to adapt to the printed circuit board 2'''', the printed circuit board 2'''' also needs to be adjusted so that the printed circuit board 2'''' also provides a corresponding number of snap holes. 26'''' corresponds to the snapping block of the snapping component 106'''', which can be considered together with Figures 10(b) and 10(c), which are schematic diagrams illustrating a printed circuit board according to the second embodiment of the present invention. Among them, FIG. 10(b) is a bottom view illustrating the printed circuit board according to the fourth embodiment of the present invention, and FIG. 10(c) is a top view illustrating the printed circuit board according to the fourth embodiment of the present invention.

In addition, in addition to the plurality of fasteners 106''', there are also a plurality of second notches 1023'''. The buckling parts 106'''' are respectively arranged corresponding to the second notches 1023'''', so that part or all of the buckling parts 106'''' can be exposed.

The printed circuit board 2'''' has two snap holes 26'''', a first notch 28'''', a third notch 210'''', a second surface 24'''', a first surface 22'''', The description of the electrode pads 214'' and so on is as described above and will not be described again here.

Referring to FIG. 11 together, a schematic cross-sectional view of the card edge connector of FIG. 10(a) combining a printed circuit board and a flexible flat conductor according to the present invention is illustrated. In this embodiment, the buckle block 1062'''' is formed between the elastic member 1020'''' and the pushing part 1064''''. By applying an external force to the pushing part 1064'''', the elastic member can be 1020'''' deforms, causing the buckle block 1062'''' to move downward on the drawing surface.

Please refer to Figures 12(a) and 12(b), which are three-dimensional schematic diagrams of a card edge connector according to a fifth embodiment of the present invention. In FIGS. 12(a) and 12(b) , the card edge connector 10'''' can also connect a printed circuit board 2'''' and a flexible flat wire 4''''. In this embodiment, the card edge connector 10'''' has the same structure as the fourth embodiment of two buckle parts 106'''' and a single receiving space. ''' are connected to each other to form a common pushing part. The common pushing part here can be two buckle parts 106'''' connected through an additional plate body (not shown) or directly an independent one. Plate body.

Referring to FIG. 13 together, a schematic cross-sectional view of the card edge connector of FIGS. 12(a) and 12(b) of the present invention combining a printed circuit board and a flexible flat conductor is illustrated. In this embodiment, the terminal 1010'''' further includes a first contact part 10104'''', a second contact part 10106'''', and a fixing part 10108''''. The first contact portion 10104'''' is formed at the free end of the terminal 10''''. The second contact part 10106'''' is formed between the first contact part 10104'''' and the fixed part 10108''''. The fixed part 10108'''' is formed on the other free side of the terminal 1010''''. end and fixed on the body 102''''. Among them, the first contact part 10104'''' can be connected to the flexible flat wire 4'''' and the second contact part 10106'''' can be connected to the electrode sheet of the electrode sheet printed circuit board 2''''.

Please refer to Figures 14(a) and 14(b), which are three-dimensional schematic diagrams of a card edge connector according to a sixth embodiment of the present invention. In Figures 14(a) and 14(b), the card edge connector 10''''' can also be connected to a Printed circuit board 2''''' with a flexible flat conductor 4'''''. In this embodiment, the card edge connector 10'''' has the same structure as the fifth embodiment except that it has two buckles 106''''', a single accommodating space and a common pusher. Regarding the difference in terminals, reference can be made to FIG. 15 , which is a schematic cross-sectional view of the card edge connector of FIGS. 14(a) and 14(b) of the present invention combining a printed circuit board and a flexible flat conductor. The terminal further includes a connecting portion 10102''''' formed between the first contact part 10104'''''' and the second contact part 10106'''''. The first contact part 10104'''''' and the second contact part 10106'''''' connect the body 102''''' and the printed circuit board 2''''' through the connection part 10102'''''. During connection, the flexible flat wire 4'''''' is disposed between the first contact part 10104'''''' and the second contact part 10106''''', and the second contact part 10106''''' is disposed Between the second surface of the printed circuit board 2'''' and the flexible flat conductor 4''''.

Please refer to Figures 16(a) and 16(b), which are three-dimensional schematic views of the card edge connector according to the sixth embodiment of the present invention, and Figure 16(c), which is a bottom view of the card edge connector according to the sixth embodiment of the present invention. Figure. In Figures 16(a) to 16(c), the card edge connector 10'''''' can also connect a printed circuit board 2'''''' and a flexible flat wire 4'''' ''. What is different from the previous embodiments is that the operation of the card edge connector of the previous embodiment is that when the pushing member is subjected to the force, the moving direction of the buckling member is perpendicular to the first surface or the second surface of the printed circuit board. , and the operation of the card edge connector 10'''''' of this embodiment is that when the pushing member 1064'''''' is acted upon by the force F'''''', the buckle part 106'' The moving direction of '''' will be parallel to the first surface or the second surface of the printed circuit board 2'''''', so that through the snap block 1062'''''' from the printed circuit board 2'''' The buckle hole 26'''''' of ''' is detached and unlocked; on the contrary, when no force F'''''' is applied, the buckle block 1062'''''' snaps the printed circuit board 2' ''''' snap holes 26'''''' to lock the card edge connector 10'''''' to the printed circuit board 2''''''. As mentioned above, in order to adapt to the structure of the corresponding card edge connector 10'''''', the printed circuit board 2'''''' also needs to be adjusted accordingly. Please refer to Figures 17(a) and 17 (b) is a bottom view and a top view respectively illustrating the printed circuit board of Figures 16(a) to 16(c) of the present invention. In Figures 17(a) and 17(b), the printed circuit The road board 2'''''' has a first surface 22'''''' and a second surface 24''''''. The first surface 22'''''' and the second surface 24'''''' have a first notch 28'''''', a third notch 210'''''' and two buckle holes. 26''''''. Furthermore, the second surface 24'''''' is provided with an electrode sheet 214''''''.

The present invention has been disclosed in preferred embodiments above. However, those skilled in the art should understand that the embodiments are only used to illustrate the present invention and should not be interpreted as limiting the scope of the present invention. It should be noted that any changes and substitutions that are equivalent to the embodiments should be considered to be within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the scope of the patent application.

2: Printed circuit board

4: Flexible flat wire

10: Card edge connector

Claims (16)

A card edge connector is used for connecting a printed circuit board and a flexible flat conductor, wherein the printed circuit board has a snap hole, an electrode piece, a first notch, a third notch, a first surface and a third hole on the corresponding side of the first surface. Two surfaces, and the second surface has the electrode sheet and the buckle hole penetrating the first surface and the second surface. The card edge connector includes: a body with an insertion port, a first accommodation space, a third Accommodation space, second retaining wall and fourth retaining wall, the insertion opening is used to connect the flexible flat wire to the first accommodating space and the third accommodating space is used to connect the printed circuit board, the width of the second retaining wall The width of the fourth retaining wall is not greater than the width of the fourth retaining wall, and the second retaining wall is provided corresponding to the first gap and the fourth retaining wall is provided corresponding to the third gap; the buckle is provided with a pushing component and an elastic component. With the buckle block, one end of the elastic member is connected to the pushing member and the buckle block, and the other end of the elastic member is provided on the body, and the buckle block is formed on the free end of the buckle piece for corresponding the buckle block. The button hole is provided and the push piece is formed at the other free end of the buckle for receiving force; the terminal is provided in the insertion opening, the first accommodation space and the third accommodation space, and the terminal The flexible flat wire and the electrode sheet are electrically connected; wherein, when the body moves toward the printed circuit board, the second retaining wall is inserted into the first gap and the fourth retaining wall is inserted into the third gap, and the The buckle block is inserted into the buckle hole, so that the body is locked on the printed circuit board through the buckle piece, and after the pushing member is acted upon by the force, the elastic member deforms and the buckle block is detached. The buckle hole enables the buckle to be unlocked from the printed circuit board, and the flexible flat wire is selectively connected to the terminal through the insertion opening before or after the body is connected to the printed circuit board; The body further includes a buffer member to buffer and stop the elastic member from continuing to deform. The card edge connector of claim 1, wherein the body further includes a positioning retaining wall and the printed circuit board further includes a fifth notch, and the positioning retaining wall is provided corresponding to the fifth notch to connect the body and the printed circuit board. When the circuit boards are combined, the positioning retaining wall allows the body to be positioned on the printed circuit board along the fifth notch, wherein the positioning retaining wall and the fifth notch are one or a plurality, and the number of the fifth notches is Not less than the number of positioning retaining walls. The card edge connector of claim 1, wherein the terminal further includes a first contact part and a second contact part, and the first contact part and the second contact part are respectively formed on two free ends of the terminal, The first contact portion is used to connect the flexible flat wire and the second contact portion is used to connect the electrode sheet. The card edge connector of claim 3, wherein 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 connection part is such that when the body is connected to the printed circuit board, the first contact part is adjacent to the first surface and the second contact part is adjacent to the second surface, so that the first contact part is tied to the first between the surface and the flexible flat conductor. The card edge connector of claim 3, wherein 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 connection part is such that when the body is connected to the printed circuit board, the first contact part and the second contact part are both adjacent to the first surface, so that the first contact part and the second contact are on the second between the surface and the flexible flat conductor. The card edge connector of claim 3, wherein 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 When the main body is connected to the printed circuit board through the connecting portion, the flexible flat wire is disposed between the first contact portion and the second contact portion, and the second contact portion is disposed on the second surface and the flexible flat conductor. The card edge connector of claim 1, wherein the buckle further includes a first extension portion extending from one side of the insertion opening to extend the length of the force arm of the buckle. The card edge connector of claim 7, wherein the body further includes a second extension extending on one side of the insertion opening, and the end of the second extension is flush with or exceeds the first extension. end. The card edge connector of claim 1, wherein the body further includes a plurality of stoppers and the pusher further forms a plurality of side wings, and the stoppers correspond to the side wings to buffer and stop the elastic member from continuing. Deformation occurs, wherein there is a distance between the stoppers and the side wings. The card edge connector of claim 9, wherein the body further includes a second notch opened in the buckle to expose the push piece on the body. The card edge connector of claim 1, wherein there are a plurality of snapping parts and the body further includes a plurality of second notches, and the snapping parts are respectively provided corresponding to the second notches for exposing the Part or all of the other snap fasteners, wherein the printed circuit board provides a plurality of snap holes to correspond to the snap blocks of the other snap fasteners. The card edge connector of claim 11, wherein the pressing parts of the buckling parts are connected to each other to form a common pushing part. The card edge connector of claim 1, wherein the terminal further includes a first contact part, a second contact part and a fixing part, the first contact part is formed on the free end of the terminal, and the second contact part is formed on Between the first contact part and the fixing part, the fixing part is formed on the other side of the terminal A free end is fixed on the body, wherein the first contact part is used to connect the flexible flat wire and the second contact part is used to connect the electrode sheet. The card edge connector according to claim 1, wherein the buckle parts are formed with a plurality of buckle holes on the printed circuit board, and the buckle parts respectively have push parts, elastic parts and buckle blocks, The elastic member connects the push piece and the buckle block. The buckle block is formed on the free end of the buckle piece to be arranged corresponding to the buckle hole. The push piece is formed on the other free end of the buckle piece. The end is used to receive the force, wherein when the pushing member is acted upon by the force, the moving direction of the buckle is parallel to the first surface or the second surface of the printed circuit board. The card edge connector of claim 1, wherein the pushing member is subjected to the force, so that the moving direction of the snapping member is parallel or perpendicular to the first surface or the second surface of the printed circuit board. The card edge connector of claim 1, wherein the first accommodating space and the third accommodating space are combined into a single accommodating space.

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