TW202320420A - 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 invention belongs to the technical field of connectors, in particular to a card edge connector which can be locked and unlocked between a printed circuit board and a flexible flat wire.

Traditionally, the card edge connector is locked on the printed circuit board, so that the cable with the card edge connector, such as single-core copper wire or copper stranded wire, 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, which can be used to solve the problems that cannot be solved in the traditional way.

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 wire.

The second object of the present invention is to provide a single or a plurality of clips according to the above card edge connector, so as to fix the card edge connector on 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, so as to avoid mis-insertion and achieve the purpose of fool-proofing.

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.

To achieve the above and other objectives, 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 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, and the second surface has electrode sheets and The buckle hole runs through the first surface and the second surface. The card edge connector includes a body, a buckle and a terminal. The body includes 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 to the flexible flat wire and the first accommodating space and the third accommodating space can be connected to 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 notch and the fourth retaining wall can be arranged corresponding to the third notch. The buckle part includes a pushing part, an elastic part and a buckle block. The elastic piece is connected to the push piece and the buckle block, and the elastic piece is arranged on the body, and the buckle block is formed on the free end of the buckle piece so that the corresponding buckle hole can be set and the push piece is formed on the other free end of the buckle piece. End to be able to receive force. The terminals are disposed 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 sheet. Wherein, when the body moves toward the printed circuit board, the second retaining wall can be inserted into the first notch and the fourth retaining wall can be inserted into the third notch, and the buckle block is inserted into the buckle hole, so that the body is locked on the printed circuit board by the buckle. The circuit board, and after the pushing part is subjected to the action force, the elastic part is deformed so that the buckle block is separated from the buckle hole, so that The buckle is 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.

Compared with the traditional card edge connector, the present invention provides a card edge connector, which can be applied to printed circuit boards and flexible flat wires. In addition, through the design of various structures, it is possible to make the moving direction of the locking member parallel to the first surface or the second surface of the printed circuit board or make the moving direction of the locking member perpendicular to the first 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 holes

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

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

212: 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''''': buckle

1061: The first extension

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

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

10642": side wings

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

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

10102, 10102', 10102''''': connecting part

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

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

10108'''': fixed part

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

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

1016: The sixth retaining wall

1018: Eighth retaining wall

1020, 1020', 1020", 1020''': Elastic parts

1022, 1022", 1022''': cushioning parts

1023", 1023''': the second gap

1024": stopper

SP1, SP1', SP1": the first accommodation space

SP3, SP3', SP3": the third storage space

SP5''': fifth storage space

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 top view illustrating the printed circuit board of Fig. 1 of the present invention.

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

Fig. 3(a) is a top view illustrating the terminal provided on the body of Fig. 1 of the present invention.

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

Fig. 3(c) is a rear view illustrating the terminal provided on the body of Fig. 1 of the present invention.

Fig. 3(d) is a front view illustrating the terminal provided on the body of Fig. 1 of the present invention.

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

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

FIG. 6( a ) is a first cross-sectional schematic view illustrating the card edge connector of FIGS. 5( a ) and 5 ( b ) combined with a printed circuit board and a flexible flat lead according to the present invention.

FIG. 6( b ) is a second cross-sectional schematic diagram illustrating the combination of the card edge connector of FIGS. 5( a ) and 5 ( b ) combined with a printed circuit board and a flexible flat lead 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 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 combination of the card edge connector of FIGS. 7( a ) and 7 ( b ) combined with a printed circuit board and a flexible flat lead 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 diagram illustrating the connection of the card edge connector of Figs. 9(a) and 9(b) to the printed circuit board and the flexible flat wire 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.

Fig. 10(c) is a top 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) combined with a printed circuit board and a flexible flat lead 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 FIGS. 12(a) and 12(b) combined with a printed circuit board and a flexible flat lead according to the present invention.

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

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

15 is a schematic cross-sectional view illustrating the card edge connector of FIGS. 14(a) and 14(b) combined with a printed circuit board and a flexible flat lead 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 the card edge connector according to the sixth embodiment of the present invention.

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

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

In order to fully understand the purpose, features and effects of the present invention, the present invention will be described in detail through the following specific embodiments and accompanying drawings, as follows.

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

In the present invention, the terms "comprising", "including", "having", "containing" or any other similar terms are intended to cover a non-exclusive inclusion. For example, an element, structure, article, or device that contains a plurality of elements is not limited to those elements listed herein, but may include elements that are not explicitly listed but are generally inherent in the element, structure, article, or apparatus. other requirements. In addition, unless expressly stated to the contrary, the word "or" means an inclusive "or" and not an exclusive "or".

Please refer to FIG. 1 , which is a perspective view of a card edge connector according to a first embodiment of the present invention. In FIG. 1 , a card edge connector 10 is capable of connecting a printed circuit board 2 and a flexible flat wire 4 . In addition, with reference to FIGS. 2( a ) and 2 ( b ), the top view and bottom view of the printed circuit board in FIG. 1 of the present invention are respectively described. 2 (a) and 2 (b), the printed circuit board 2 has a buckle hole 26, an electrode piece 214, a first gap 28, a third gap 210, a first surface 22 and the first surface A second surface 24 on the corresponding side of the 22 , and the second surface 24 has electrode pieces 214 and buckle holes 26 passing 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 . In addition, the number of the first opening 28 is described here as an example, and in other embodiments, there may be two or more.

3(a) to 3(d) together are schematic diagrams illustrating various perspectives of terminals provided on the body of FIG. 1 of the present invention. Fig. 3 (a) is a top view illustrating the terminal of the body of Fig. 1 of the present invention; Fig. 3 (b) is a bottom view of the terminal of the body of Fig. 1 of the present invention; Fig. 3 (c) is a view of the body of Fig. 1 of the present invention The rear view of the set terminal; and, Fig. 3(d) is a front view illustrating the body set terminal of Fig. 1 of the present invention.

The card edge connector 10 includes a body 102 , a buckle 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 be connected to the flexible flat wire 4 and the first accommodating space SP1 and the third accommodating space SP3 can be connected to 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 , and in other embodiments, the width of the second retaining wall 1012 may be equal to the width of the fourth retaining wall 1014 . Moreover, 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 includes a buffer member 1022 for buffering and stopping the continuous deformation of the elastic member 1020 .

Referring to FIGS. 4(a) to 4(b) together, it is a schematic cross-sectional view illustrating the card edge connector in FIG. 1 of the present invention combined with a printed circuit board and a flexible flat wire. Fig. 4 (a) is the first cross-sectional schematic diagram illustrating the combination of the card edge connector of Fig. 1 of the present invention with a printed circuit board and a flexible flat lead; and Fig. 4 (b) is a schematic illustration of the combination of the card edge connector of Fig. The second cross-sectional schematic diagram of the circuit board and the flexible flat wire.

The locking member 106 includes a pushing member 1064 , an elastic member 1020 and a locking block 1062 . The elastic piece 1020 connects the push piece 1064 and the buckle block 1062, and the elastic piece 1020 is arranged on the body 10, and the buckle piece 1062 is formed on the free end of the buckle piece 106 so that the push piece 1064 can be arranged corresponding to the buckle hole 26 It is formed on the other free end of the buckle 1062 to be able to receive 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 terminals 1010 are disposed in the insertion opening 108 , the first accommodating space SP1 and the third accommodating space SP3 . In addition, the terminal 1010 can electrically connect the flexible flat lead wire 4 and the electrode piece 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 two free ends of the terminal 1010 . Wherein, the first contact portion 10104 can be connected to the flexible flat wire 4 and the second contact portion 10106 can be connected to the electrode sheet 214 . Here, the terminal 1010 further includes a connection portion 10102 formed between the first contact portion 10104 and the second contact portion 10106 . Wherein, the first contact portion 10104 and the second contact portion 10106 use the connection 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 10104. 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 wire 4 .

Therefore, when the body 102 moves toward the printed circuit board 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 buckle block 1062 is inserted into the buckle hole 26, so that the body 102 is locked on the printed circuit board 2 by the buckle 106; and, when the pushing piece 1064 is subjected to a force, for example, in FIG. downward direction, so that the elastic member 1020 will be deformed (for example, the elastic member 1020 is deformed due to the lifting of the pushing member 1064) so that the buckle block 1062 is separated from the buckle hole 26, so that the buckle member 106 is released from the printed circuit board 2 unlock. Wherein, the flexible flat wire 4 can be inserted into the insertion opening 108 after the body 102 is connected to the printed circuit board 2, or before the body 102 is connected to the printed circuit board 2, the flexible flat wire 4 can be inserted in advance. Mouth 108.

In another embodiment, the body 102 further includes a positioning retaining wall (refer to the sixth retaining wall 1016 and the eighth retaining wall 1018 in FIG. 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 arranged along the fifth notch 212. And let the body 102 be positioned on the printed circuit board 2 . Wherein, two positioning retaining walls are used as an example to illustrate, that is, the sixth retaining wall 1016 and the eighth retaining wall 1018 mentioned here. In other embodiments, the positioning retaining wall can be single or greater than 2 The number of positioning retaining walls and the number of fifth notches 212 may be the same or different, and generally speaking, the number of fifth notches 212 is equal to or greater than the number of positioning retaining walls.

Please refer to FIGS. 5( a ) and 5 ( b ), which are perspective views of a card edge connector according to a second embodiment of the present invention. In Figure 5(a) and 5(b), the card edge connector 10' can also be connected to a printed circuit circuit board with a flexible flat wire 4'. The card edge connector 10' includes a body 102', a buckle 106' and a terminal 1010', for which reference can be made to the description of the body 102, the buckle 106 and the terminal 1010 of the first embodiment.

Also, the body 102', the buckle 106', the terminal 1010', the second retaining wall 1012', the fourth retaining wall 1014', the first accommodating space SP1', the third accommodating space SP3', and the buckling block 1062 ’, the pushing member 1064 ′, the insertion port 108 ′, etc., which can refer to the description of the first embodiment, and will not be repeated here.

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

Referring to FIGS. 6(a) to 6(b) together, it is a schematic cross-sectional view illustrating the card edge connector in FIGS. 5(a) and 5(b) of the present invention combined with a printed circuit board and a flexible flat wire. Fig. 6 (a) is the first cross-sectional schematic diagram illustrating the combination of the card edge connector of Fig. 5 (a) and 5 (b) of the present invention with the printed circuit board and the flexible flat lead; 5(a) and 5(b) are the second cross-sectional schematic diagrams of the card edge connector combined with the printed circuit board and the flexible flat wire.

The actions of the locking block 1062' and the locking hole 26' are similar to those shown in the first embodiment, and will not be repeated here.

Here, the terminal 1010' is different from the terminal 1010 of the first embodiment. In this 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 part 10104' and the second contact part 10106' are connected by the connection 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 by the connection 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 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 on the second surface of the printed circuit board 2' and the flexible flat wire 4' between. Wherein, the definition of the first surface and the second surface can be referred to as shown in FIG. 2 , and will not be repeated here.

Please refer to FIGS. 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 Fig. 7 (a) and 7 (b), card edge connector 10 " can also connect a printed circuit board and a flexible flat wire similarly. Card edge connector 10 " comprises body 102 ", buckle 106 " and the terminal 1010", which can 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 accommodating space SP1", For descriptions of the third accommodating space SP3 ″, the locking block 1062 ″, the pushing member 1064 ″, the insertion opening 108 ″, etc., reference may be made to the description of the first embodiment, and details are not repeated here.

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

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

In addition, the push piece 1064" is different from the push piece 1064 of the first embodiment and the second embodiment. In this embodiment, the buckle block 1062" is formed between the elastic piece 1020" and the push piece 1064". During this period, by applying an external force to the pushing member 1064", the elastic member 1020" can be deformed, so that the locking block 1062" moves downward in the drawing.

Please refer to FIGS. 9( a ) and 9 ( b ), which are perspective views of a card edge connector according to a fourth embodiment of the present invention. In Figure 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 can refer to Figure 10 (a) is a schematic diagram illustrating the connection of the card edge connector of Figs. 9(a) and 9(b) of the present invention to a printed circuit board and a flexible flat wire.

In Figure 9(a) and 9(b), the card edge connector 10''' is shown to provide a main body 102''', two buckle pieces 106''', two push pieces 1064''', Fifth accommodating space SP5''', terminal 1010''', second retaining wall 1012''', fourth retaining wall 1014''', two second notches 1023''', insertion port 108''' , Two buffer pieces 1022''', etc. Except that the two buckling pieces 106''', the two pushing pieces 1064''', the two second notches 1023''', and the fifth accommodating space SP5''' are different from the previous embodiments, the rest For the part, reference may be made to the foregoing embodiments, and details are not repeated here.

Here, the card edge connector 10''' provides two buckle parts 106''' structure, which is different from the structure of the single buckle part mentioned in the previous embodiment; and, the card edge connector 10''' A single fifth accommodating space SP5''' is provided, which is different from the structure of the two accommodating spaces mentioned in the foregoing embodiments. In order to allow the card edge connector 10''' to fit 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 locking block of the locking member 106''', which can be considered together with Figures 10(b) and 10(c), which are schematic diagrams illustrating the printed circuit board of the second embodiment of the present invention. Wherein, Fig. 10 (b) is a bottom view illustrating the printed circuit board of the fourth embodiment of the present invention and Fig. 10 (c) is a top view illustrating the printed circuit board of the fourth embodiment of the present invention.

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

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

Referring to FIG. 11 together, it is a schematic cross-sectional view illustrating the card edge connector of FIG. 10( a ) combined with a printed circuit board and a flexible flat lead according to the present invention. In this embodiment, the buckle block 1062''' is formed between the elastic piece 1020''' and the pushing piece 1064''', by applying an external force to the pushing piece 1064'', the elastic piece can 1020''' is deformed so that the locking block 1062''' moves downward in the drawing.

Please refer to FIGS. 12( a ) and 12 ( b ), which are perspective views 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, except that the card edge connector 10'''' has the structure of two buckling parts 106'''' and a single accommodating space as in the fourth embodiment, the two buckling parts 106' ''' are connected with each other to form a common push piece, where the common push piece can be two buckle pieces 106'''' connected through an additional board (not shown in the figure) or directly an independent one board body.

Referring to FIG. 13 together, it is a schematic cross-sectional view illustrating the card edge connector in FIG. 12(a) and 12(b) of the present invention combined with a printed circuit board and a flexible flat wire. 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 fixing part 10108'''', and the fixing part 10108'''' is formed on the other free side of the terminal 1010'''' end and fixed on the body 102''''. Wherein, 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 pad of the electrode pad printed circuit board 2''''.

Please refer to FIGS. 14( a ) and 14 ( b ), which are perspective views of a card edge connector according to a sixth embodiment of the present invention. In Figure 14(a) and 14(b), the card edge connector 10''''' can also be connected to a A printed circuit board 2''''' and a flexible flat wire 4'''''. In this embodiment, the card edge connector 10'''' is the same as the fifth embodiment except for the structure of two buckle parts 106''''', a single accommodating space and a common pushing part. The difference lies in the terminals, which can refer to FIG. 15 , which is a schematic cross-sectional view illustrating the combination of the card edge connector of the present invention in FIGS. 14(a) and 14(b) with a printed circuit board and a flexible flat wire. The terminal further includes a connecting portion 10102''''' formed between the first contacting portion 10104''''' and the second contacting portion 10106'''''. The first contact part 10104''''' and the second contact part 10106''''' are connected by the connection part 10102''''', so that the body 102''''' and the printed circuit board 2''''' When connecting, the flexible flat wire 4''''' is set between the first contact part 10104''''' and the second contact part 10106''''', and the second contact part 10106''''' is set 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 perspective views of the card edge connector of the sixth embodiment of the present invention, and FIG. 16(c), which is a bottom view of the card edge connector of the sixth embodiment of the present invention picture. In Figure 16(a) to 16(c), the card edge connector 10'''''' can also connect a printed circuit board 2'''''' and a flexible flat wire 4'''' ''. Different from the previous embodiment, 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 locking 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 push piece 1064''''' is subjected to the force F'''''', the buckle piece 106'' The moving direction of '''' will be parallel to the first surface or the second surface of the printed circuit board 2'''''', so that the printed circuit board 2''' can be separated from the printed circuit board 2''' by the buckle block 1062 The buckle hole 26'''''' of ''' is disengaged and unlocked; on the contrary, when no force F'''''' is applied, the buckle block 1062'''''' buckles the printed circuit board 2' ''''' snap hole 26'''''' to lock the card edge connector 10'''''' on the printed circuit board 2''''''. In the foregoing, 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 Figure 17(a) and Figure 17 (b) respectively illustrates the bottom view and the top view of the printed circuit board of Figs. 16(a) to 16(c) of the present invention. In Figure 17(a) and 17(b), the printed circuit The road board 2'''''' has a first surface 22'''''' and a second surface 24''''''. On the first surface 22'''''' and the second surface 24'''''', there are a first notch 28'''''', a third notch 210'''''' and two buckle holes 26''''''. In addition, there are electrode pieces 214'''''' on the second surface 24''''''.

The present invention has been disclosed above with preferred embodiments, but those skilled in the art should understand that the embodiments are only for describing the present invention, and should not be construed as limiting the scope of the present invention. It should be noted that all changes and substitutions equivalent to those of the embodiments should be included within the scope of the present invention. Therefore, the scope of protection of the present invention should be defined by the scope of the patent application.

2: Printed circuit board

4: Flexible flat wire

10: Card edge connector

Claims (17)

A card edge connector for connecting a printed circuit board and a flexible flat wire, wherein the printed circuit board has a buckle hole, an electrode piece, a first notch, a third notch, a first surface and a second surface on the corresponding side of the first surface Two surfaces, and the second surface has the electrode sheet and the buckle hole passing through the first surface and the second surface, the card edge connector includes: The main body has an insertion opening, a first accommodation space, a third accommodation space, a second retaining wall and a fourth retaining wall, the insertion opening is used to connect the flexible flat wire with the first accommodation space and the third accommodation The space is for connecting the printed circuit board, the width of the second retaining wall is not greater than the width of the fourth retaining wall, and the second retaining wall is provided corresponding to the first notch and the fourth retaining wall is provided corresponding to the third retaining wall. notch setting; The buckle part has a pushing part, an elastic part and a buckle block, the elastic part connects the pushing part and the buckle block, and the elastic part is arranged on the body, and the buckle block is formed on the buckle The free end of the piece is provided to correspond to the buckle hole and the pushing piece is formed on the other free end of the buckle for receiving the force; a terminal is arranged in the insertion port, the first accommodating space and the third accommodating space, and the terminal electrically connects the flexible flat wire and the electrode sheet; Wherein, when the body moves toward 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, and the buckle block is inserted into the buckle hole, so that the body The locking part is locked on the printed circuit board, and after the pushing part is subjected to the force, the elastic part is deformed so that the buckling block is disengaged from the buckling hole, so that the buckling part is released from the printed circuit board. The circuit board is unlocked, 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 card edge connector as described in 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, so as to connect the body and the printed circuit board When the circuit board is 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 plural, and the number of the fifth notch Not less than the number of positioning retaining walls. The card edge connector as claimed in item 1, wherein 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 on two free ends of the terminal, Wherein the first contact portion is used for connecting the flexible flat wire and the second contact portion is used for connecting the electrode piece. The card edge connector as described in claim 3, wherein the terminal further includes the connection portion formed between the first contact portion and the second contact portion, and the first contact portion and the second contact portion are borrowed By the connecting portion, 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 tied to the second surface Between a surface and the flexible flat wire. The card edge connector as described in claim 3, wherein the terminal further includes the connection portion formed between the first contact portion and the second contact portion, and the first contact portion and the second contact portion are borrowed By the connecting portion, when the body is connected to the printed circuit board, both the first contact portion and the second contact portion are adjacent to the first surface, so that the first contact portion and the second contact are on the first surface Between the two surfaces and the flexible flat wire. The card edge connector as described in claim 3, wherein the terminal further includes the connection portion formed between the first contact portion and the second contact portion, and the first contact portion and the second contact portion are borrowed By the connection part, when the body is connected with the printed circuit board, the flexible flat lead The wire is arranged between the first contact portion and the second contact portion, and the second contact portion is arranged between the second surface and the flexible flat wire. The card edge connector as claimed in claim 1, wherein the buckle further includes a first extending portion extending from one side of the insertion opening to extend the length of the moment arm of the buckle. The card edge connector as claimed in item 7, wherein the body further includes a second extension extending on one side of the insertion opening, wherein the end of the second extension is flush with or exceeds the first extension the end. The card edge connector as claimed in claim 1, wherein the body further includes a buffer to buffer and stop the continuous deformation of the elastic member. The card edge connector as claimed in item 1, wherein the body further includes a plurality of stoppers and the pushing member further forms a plurality of side wings, and the stoppers correspond to the side wings to buffer and stop the elastic member to continue Deformation occurs, wherein there is a distance between the stoppers and the side wings. The card edge connector as described in claim 10, wherein the body further includes a second notch, which is opened in the buckle part, so as to expose the pushing part on the body. The card edge connector as described in Claim 1, wherein there are multiple snap parts and the body further includes a plurality of second notches, and the snap parts are respectively arranged corresponding to the second notches for exposing the A part or all of the buckling parts, wherein the printed circuit board provides a plurality of buckling holes corresponding to the buckling blocks of the buckling parts. In the card edge connector as claimed in claim 12, wherein the pushing parts of the buckle parts are connected to each other to form a common pushing part. The card edge connector as described in Claim 1, wherein the terminal further includes a first contact portion, a second contact portion and a fixing portion, the first contact portion is formed at the free end of the terminal, and the second contact portion is formed at the free end of the terminal. The contact part is formed between the first contact part and the fixing part, and the fixing part is formed on the other free end of the terminal and fixed on the body, wherein the first contact part is used for connecting the flexible flat wire and the second The contact part is used for connecting the electrode piece. The card edge connector as described in Claim 1, wherein the snap-in pieces form a plurality of snap-in holes with the printed circuit board, and the snap-in pieces respectively have a push piece, an elastic piece and a buckle block, The elastic piece connects the pushing piece and the buckle block, the buckle piece is formed on the free end of the buckle piece for setting corresponding to the buckle hole and the push piece is formed on the other free end of the buckle piece. The end is used to receive an action force, wherein when the pushing member is subjected to the action force, the moving direction of the locking member is parallel to the first surface or the second surface of the printed circuit board. The card edge connector as claimed in claim 1, wherein the pushing member is subjected to the force so that the moving direction of the locking member is parallel to or perpendicular to the first surface or the second surface of the printed circuit board. The card edge connector as claimed in claim 1, wherein the first accommodating space and the third accommodating space are merged into a single accommodating space.

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