CN116073153A

CN116073153A - Card edge connector

Info

Publication number: CN116073153A
Application number: CN202111621429.9A
Authority: CN
Inventors: 林贤昌
Original assignee: P Two Electronic Technology Suzhou Co Ltd
Current assignee: P Two Electronic Technology Suzhou Co Ltd
Priority date: 2021-11-03
Filing date: 2021-12-28
Publication date: 2023-05-05
Also published as: TWI811835B; TW202320420A

Abstract

The invention provides a card edge connector which 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 corresponding to the first surface. The card edge connector comprises a body, a card fastener and a terminal. The body comprises an inserting port, a first accommodating space, a third accommodating space, a second retaining wall and a fourth retaining wall. The fastening piece comprises a pushing piece, an elastic piece and a fastening block. The terminals can electrically connect the flexible flat wires and the electrode pads. After the pushing part is acted by the acting force, the buckle part is unlocked from the printed circuit board, and the soft flat wire can be connected with the terminal through the insertion port before or after the body is connected with the printed circuit board.

Description

Card edge connector

Technical Field

The invention relates to the technical field of connectors, in particular to a card edge connector capable of locking and unlocking a printed circuit board and a soft flat wire.

Background

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

In view of the above, the present invention provides a card edge connector for solving the problem that the prior art cannot solve.

Disclosure of Invention

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

A second object of the present invention is to provide a single or multiple snap-fit elements for securing the card edge connector to a printed circuit board according to the above card edge connector.

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

According to the above-mentioned card edge connector, the fourth object of the present invention is to provide a retaining wall with asymmetric thickness, so as to avoid erroneous insertion and achieve the foolproof purpose.

A 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 insert into the printed circuit board.

In order 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 cable. 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 penetrating through the first surface and the second surface. The card edge connector comprises a body, a card fastener and a terminal. The body comprises an inserting port, 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 soft flat wire, the first accommodating space and the third accommodating 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 be arranged corresponding to the first notch and the fourth retaining wall can be arranged corresponding to the third notch. The fastening piece comprises a pushing piece, an elastic piece and a fastening 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 so as to correspond to the buckling hole, and the pushing piece is formed at the other free end of the buckling piece so as to be capable of receiving acting force. The terminal is arranged in the inserting port, the first accommodating space and the third accommodating space. The terminals can electrically connect the flexible flat wires and the electrode pads. When the body moves towards 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 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 acting force, the elastic piece deforms to enable the buckling block to be separated from the buckling hole, the buckling piece is unlocked from the printed circuit board, and the soft flat wire is selectively connected with the terminal through the inserting port before or after the body is connected with the printed circuit board.

Preferably, the body further includes a positioning retaining wall and the printed circuit board further includes a fifth notch, the positioning retaining wall is disposed corresponding to the fifth notch, so that when the body is combined with the printed circuit board, the positioning retaining wall positions the body on the printed circuit board along the fifth notch, wherein the number of the positioning retaining wall and the fifth notch is one or more, and the number of the fifth notch is not less than the number of the positioning retaining wall.

Preferably, 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, and the first contact portion is used for connecting the soft flat wire and the second contact portion for connecting the electrode plate.

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

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

Preferably, 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 connected by the connection portion, so that the flexible flat 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 wire when the body is connected to the printed circuit board.

Preferably, the fastener further includes a first extension portion extending at one side of the insertion opening to extend the arm length of the fastener.

Preferably, the body further comprises a second extension portion extending on one side of the insertion opening, wherein the end of the second extension portion is flush with or exceeds the end of the first extension portion.

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

Preferably, the body further includes a plurality of stoppers and the pushing members further form a plurality of flanks, the plurality of stoppers correspond to the plurality of flanks to buffer and stop the elastic member from continuously deforming, wherein a space is provided between the plurality of stoppers and the plurality of flanks.

Preferably, the body further includes a second notch formed in the fastening member to expose the pushing member on the body.

Preferably, the plurality of fastening pieces are plural and the body further comprises plural second notches, the plural fastening pieces are respectively disposed corresponding to the plural second notches so as to expose a part or all of the plural fastening pieces, and the printed circuit board is provided with plural fastening holes so as to correspond to fastening blocks of the plural fastening pieces.

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

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

Preferably, the plurality of fastening members are a plurality of fastening holes formed in the printed circuit board, the plurality of fastening members are respectively provided with a pushing member, an elastic member and a fastening block, the elastic member is connected with the pushing member and the fastening block, the fastening block is formed at a free end of the fastening member for being arranged corresponding to the fastening hole and the pushing member is formed at the other free end of the fastening member for receiving an acting force, and the pushing member is acted by the acting force, so that the moving direction of the fastening member is parallel to the first surface or the second surface of the printed circuit board.

Preferably, the pushing member is subjected to the force, so that the moving direction of the fastening member is parallel 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 traditional card edge connector, the invention provides a card edge connector which can be applied to a printed circuit board and a soft flat wire. In addition, through the design of multiple structures, the moving direction of the clamping piece can be parallel to the first surface or the second surface of the printed circuit board or can be perpendicular to the first surface or the second surface of the printed circuit board respectively.

Drawings

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

Fig. 2 (a) is a top 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 body-mounted terminal of fig. 1 according to the present invention.

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

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

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

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

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

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

Fig. 7 (a) is a schematic 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) in combination with a printed circuit board and a flexible flat conductor according to the present invention.

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

Fig. 9 (b) is a schematic 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 fig. 9 (a) and 9 (b) to a printed circuit board and a flexible flat wire 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) in combination with a printed circuit board and flexible flat wires according to the present invention.

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

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

Fig. 13 is a schematic cross-sectional view illustrating the card edge connector of fig. 12 (a) and 12 (b) in combination with a printed circuit board and a flexible flat conductor 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 invention.

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

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

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

Fig. 16 (b) is a schematic perspective view of a card edge connector according to a sixth embodiment of the 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 of the printed circuit board of fig. 16 (a) to 16 (c), respectively, illustrating the present invention.

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

Symbol description:

2. 2', 2' ", 2" "" ', 2"", and a printed circuit board

22. 22' ", 22" "

24. 24' ", 24" "

26. 26', 26' ", 26" "" ', 26"", snap-fit holes

28. 28' ", 28" "

210. 210' ", 210" ", third notch

Fifth notch 212

214. 214' ", 214" "

4. 4', 4' ", 4" ", flexible flat wire

10. 10', 10", 10'", 10"" ", 10" ", card edge connector

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

1021

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

1061. first extension

1062. 1062', 1062", 1062 '", 1062"" ', 1062"", a snap block

1064. 1064', 1064", 1064 '", 1064"" ', 1064"", and a pushing member

10642 side flaps

108. 108', 108", 108'"

1010. 1010', 1010", 1010'", 1010"", terminals

10102. 10102', 10102""'. Connection portion

10104. 10104', 10104""', first contact portion

10106. 10106', 10106""', second contact portion

10108""

1012. 1012', 1012", 1012'", second retaining wall

1014. 1014', 1014", 1014'", fourth retaining wall

1016

1018. eighth retaining wall

1020. 1020', 1020", 1020'"

1022. 1022", 1022'", cushioning member

1023", 1023'", second notch

1024". Stopper

SP1, SP1', SP1". First accommodation space

SP3, SP3', SP3". Third accommodation space

SP 5' "

Detailed Description

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

In the present disclosure, units, elements, and components described herein are described using "a" or "an". This is for convenience of description only and is not intended to provide a general sense of the scope of the invention. Thus, unless expressly stated otherwise, such description should be understood as including 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 language are intended to cover non-exclusive inclusion. For example, an element, structure, article, or device containing a plurality of elements is not limited to only those elements listed herein but may include other elements not expressly listed but inherent to such element, structure, article, or device. In addition, unless explicitly stated to the contrary, the term "or" refers to an inclusive "or" and not to an exclusive "or".

Fig. 1 is a schematic perspective view of a card edge connector according to a first embodiment of the invention. In fig. 1, the card edge connector 10 is capable of connecting a printed circuit board 2 with a flexible flat wire 4. Fig. 2 (a) and 2 (b) are referenced together to illustrate a top view and a bottom view, respectively, of the printed circuit board of fig. 1 according to the present invention. In fig. 2 (a) and 2 (b), the printed circuit board 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 on the corresponding side of the first surface 22, and the second surface 24 has the electrode plate 214 and the fastening 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. The number of the first openings 28 is described as one, and in other embodiments, two or more openings may be used.

Referring to fig. 3 (a) to 3 (d), schematic views of the body-mounted terminal of fig. 1 are shown for illustrating the present invention. Fig. 3 (a) is a plan view illustrating the body-provided terminal of fig. 1 according to the present invention; fig. 3 (b) is a bottom view illustrating the body-disposed terminal 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-mounted terminal of fig. 1 according to the present invention.

The card edge connector 10 includes a body 102, a clip 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 port 108 can connect the flexible flat wire 4 with the first accommodation space SP1 and the third accommodation 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, 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 includes a buffering member 1022 for buffering and stopping the deformation of the elastic member 1020.

Referring to fig. 4 (a) to 4 (b), schematic cross-sectional views of the card edge connector of fig. 1 combined with a printed circuit board and a flexible flat cable according to the present invention are shown. FIG. 4 (a) is a schematic cross-sectional view illustrating the card edge connector of FIG. 1 in combination with a printed circuit board and flexible flat wires according to the present invention; fig. 4 (b) is a second schematic cross-sectional view illustrating the card edge connector of fig. 1 in combination with a printed circuit board and a flexible flat cable according to the present invention.

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

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

The terminal 1010 is disposed in the insertion port 108, the first accommodating space SP1, and the third accommodating space SP3. The terminals 1010 can electrically connect the flexible flat wire 4 and the electrode pads 214. The terminal 1010 further includes a first contact 10104 and a second contact 10106. The first contact portion 10104 and the 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 plate 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 first contact portion 10104 and the second contact portion 10106 are connected to the printed circuit board 2 by the connection portion 10102, the first contact portion 10104 is adjacent to the first surface 22 and the second 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 towards 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 fastening block 1062 is inserted into the fastening hole 26, so that the body 102 is fastened to the pcb 2 by the fastening member 106; moreover, when the pushing member 1064 is acted on by a force, for example, in fig. 4 (a), the force is applied to the pushing member 1064, i.e. in a downward direction of the drawing, so that the elastic member 1020 will deform (e.g. the elastic member 1020 deforms due to the lifting of the pushing member 1064) to disengage the locking block 1062 from the locking hole 26, so that the locking member 106 is unlocked from the printed circuit board 2. The flexible flat wire 4 may 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 may be inserted into the insertion port 108 before the body 102 is connected to the printed circuit board 2.

In another embodiment, the body 102 further includes positioning walls (see also the sixth wall 1016 and the eighth wall 1018 of fig. 3 (d)) and the printed circuit board 2 further includes a fifth notch 212 (see also fig. 2 (a) and 2 (b)). The sixth wall 1016 and the eighth wall 1018 are disposed corresponding to the fifth notch 212, respectively, so that the sixth wall 1016 and the eighth wall 1018 position the body 102 on the printed circuit board 2 along the fifth notch 212 when the body 102 is combined with the printed circuit board 2. In the embodiment, the number of the positioning walls is 2, that is, the sixth wall 1016 and the eighth wall 1018 mentioned herein, in other embodiments, the number of the positioning walls may be single or greater than 2, the number of the positioning walls may be the same as or different from the number of the fifth indentations 212, and in general, the number of the fifth indentations 212 is equal to or greater than the number of the positioning walls.

Please refer to fig. 5 (a) and 5 (b), which are 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 be connected to a printed circuit board and a flexible flat wire 4' as well. The card edge connector 10 'includes a body 102', a clip 106', and a terminal 1010', which can be described with reference to the body 102, the clip 106, and the terminal 1010 of the first embodiment.

In addition, the description of the body 102', the fastening member 106', the terminal 1010', the second retaining wall 1012', the fourth retaining wall 1014', the first receiving space SP1', the third receiving space SP3', the fastening block 1062', the pushing member 1064', the insertion opening 108', and the like may refer to the description of the first embodiment, and the description is omitted herein.

Unlike the first embodiment, the body 102' further includes a second extension 1021' extending on one side of the insertion opening 108 '. Here, the end of the second extension 1021' may be flush with the end of the first extension 1061 as in the first embodiment, or the end of the second extension 1021 may exceed the end of the first extension 1061 as in the present embodiment.

Referring to fig. 6 (a) to 6 (b), schematic cross-sectional views of the card edge connector of fig. 5 (a) and 5 (b) combined with a printed circuit board and a flexible flat conductor according to the present invention are shown. FIG. 6 (a) is a schematic diagram illustrating a first cross-section of the card edge connector of FIGS. 5 (a) and 5 (b) in combination with a printed circuit board and a flexible flat conductor according to the present invention; fig. 6 (b) is a second schematic cross-sectional view illustrating the combination of the card edge connector of fig. 5 (a) and 5 (b) with a printed circuit board and a flexible flat wire 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 is not repeated here.

Here, the terminal 1010' is a terminal 1010 different from 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'. When the first contact portion 10104 'and the second contact portion 10106' are connected to the printed circuit board 2 'by the connection portion 10102', the first contact portion 10104 'and the second contact portion 10106' are adjacent to the first surface of the printed circuit board 2 'when the body 102' is connected to the printed circuit board 2 'by the connection portion 10102', so that 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 definition of the first surface and the second surface may be shown in fig. 2, and will not be described herein.

Please refer to fig. 7 (a) and 7 (b), which are 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 connect a printed circuit board and a flexible flat wire as well. The card edge connector 10 "includes a body 102", a clip 106 "and a terminal 1010", which can refer to the description of the body 102, the clip 106 and the terminal 1010 of the first embodiment. In addition, the descriptions of the second retaining wall 1012", the fourth retaining wall 1014", the first receiving space SP1", the third receiving space SP3", the fastening block 1062", the pushing member 1064", the insertion opening 108' "and the like may refer to the descriptions of the first embodiment, and are not repeated herein.

Referring also to fig. 8, a schematic cross-sectional view of the card edge connector of fig. 7 (a) and 7 (b) in combination with a printed circuit board and a flexible flat wire is shown.

Here, the body 102 "further includes a plurality of stoppers 1024" and pushing members 1064 "further forming a plurality of flanks 10642", and the number of stoppers 1024 "and flanks 10642" is 2 as an example. The stop 1024 "opposes the side wings 10642" to cushion and stop the elastic 1020 "from continuously deforming. The stopper 1024 "is spaced from the shoulder 10642" by a distance corresponding to the stroke of the pusher 1064". In addition, the body 102 "further includes a second notch 1023" formed in the fastener 106 "to expose the pushing member 1064" in the body 102 ".

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

Please refer to fig. 9 (a) and 9 (b), which are 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 connect a printed circuit board 2 '" and a flexible flat wire 4' "as well as refer to fig. 10 (a), for illustrating a connection schematic diagram of the card edge connector of fig. 9 (a) and 9 (b) to connect the printed circuit board and the flexible flat wire according to the present invention.

In fig. 9 (a) and 9 (b), the display card edge connector 10' "is provided with a body 102 '", two snap fasteners 106' ", two pushing fasteners 1064 '", a fifth receiving space SP5 ' ", a terminal 1010 '", a second retaining wall 1012' ", a fourth retaining wall 1014 '", two second notches 1023 ' ", an insertion opening 108 '", two buffer fasteners 1022 ' ", and the like. Except for the two fastening members 106 '", the two pushing members 1064'", the two second notches 1023 '", and the fifth receiving space SP 5'" which are different from the foregoing embodiments, the rest of the present invention can be described with reference to the foregoing embodiments, which is not repeated herein.

Here, the card edge connector 10 '"provides a two-fastener 106'" structure which is different from the single-fastener structure mentioned in the previous embodiment; and, the card edge connector 10 '"provides a single fifth receiving space SP 5'" which is different from the structure of the two receiving spaces mentioned in the foregoing embodiments. In order to enable the card edge connector 10 '"to be adapted to the printed circuit board 2'", the printed circuit board 2 '"also needs to be adjusted, and the printed circuit board 2'" is provided with a corresponding number of fastening holes 26 '"for corresponding fastening blocks of the fastening member 106'", which can be considered together with fig. 10 (b) and 10 (c), for illustrating 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 the printed circuit board according to the fourth embodiment of the present invention.

In addition to the plurality of the locking elements 106 '"the second notch 1023'" is also a plurality. The fastening members 106' "are disposed corresponding to the second notches 1023 '" respectively, so that a part or all of the fastening members 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 '", an electrode pad 214 ' "and the like, which are described previously and are not repeated here.

Referring also to fig. 11, a schematic cross-sectional view of the card edge connector of fig. 10 (a) in combination with a printed circuit board and a flexible flat wire is shown. In the present embodiment, the fastening block 1062 '"is formed between the elastic member 1020'" and the pushing member 1064 '", and the elastic member 1020'" can be deformed by applying an external force to the pushing member 1064 '"so that the fastening block 1062'" moves downward in the drawing.

Fig. 12 (a) and 12 (b) are schematic perspective views of a card edge connector according to a fifth embodiment of the invention. In fig. 12 (a) and 12 (b), the card edge connector 10"" can be connected to a printed circuit board 2"" and a flexible flat wire 4"", as well. In the present embodiment, the card edge connector 10"" except for the structure of two fastening members 106"" and a single accommodating space as in the fourth embodiment, the two fastening members 106"" are mutually connected to form a common pushing member, and the common pushing member may be the two fastening members 106"" connected by an additional board (not shown) or be a separate board.

Referring also to fig. 13, a schematic cross-sectional view of the card edge connector of fig. 12 (a) and 12 (b) in combination with a printed circuit board and a flexible flat wire is shown. In the present 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"" formed at the other free end of the terminal 1010"" and fixed to the body 102"". The first contact portion 10104"" can connect the flexible flat wire 4"" and the second contact portion 10106"" can connect the electrode sheet of the electrode sheet printed circuit board 2"".

Fig. 14 (a) and 14 (b) are schematic perspective views of a card edge connector according to a sixth embodiment of the invention. In fig. 14 (a) and 14 (b), the card edge connector 10"" ' can be connected to a printed circuit board 2"" ' and a flexible flat wire 4"" ', as well. In the present embodiment, the card edge connector 10"" except for the two locking members 106"" as in the fifth embodiment, the single accommodating space and the common pushing member are different in the structure of the terminal, and reference may be made to fig. 15 for illustrating the schematic cross-sectional view of the card edge connector of fig. 14 (a) and 14 (b) combined with the printed circuit board and the flexible flat 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 "". The first contact portion 10104"" ' and the second contact portion 10106"" ' are connected by the connecting portion 10102"", so that the flexible flat wire 4"" ' is disposed between the first contact portion 10104"" ' and the second contact portion 10106"" ' is disposed between the second surface of the printed circuit board 2"" ' and the flexible flat wire 4"" "", when the body 102"" ' is connected to the printed circuit board 2"" ".

Fig. 16 (a) and 16 (b) are schematic perspective views of a card edge connector according to a sixth embodiment of the invention, and fig. 16 (c) is a bottom view of the card edge connector according to the sixth embodiment of the invention. In fig. 16 (a) to 16 (c), the card edge connector 10"" "can be connected to a printed circuit board 2" "" and a flexible flat wire 4"", as well. Unlike the previous embodiments, the card edge connector of the previous embodiments operates such that when the pushing member is subjected to the force, the moving direction of the catch member is perpendicular to the first surface or the second surface of the printed circuit board, and the card edge connector 10"" "of the present embodiment operates such that when the pushing member 1064" "' is subjected to the force F" ", the moving direction of the catch member 106" "" will be parallel to the first surface or the second surface of the printed circuit board 2"", so as to be unlocked by disengaging the catch block 1062"" fromthe catch hole 26"" "of the printed circuit board 2" "; conversely, when the force F "" "is not applied, the locking block 1062" "" locks the locking hole 26"" "of the printed circuit board 2" ", and locks the card edge connector 10" "" to 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"" "needs to be correspondingly adjusted, and reference may be made to fig. 17 (a) and 17 (b) for respectively explaining 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" "" have a first notch 28"", a third notch 210"" "and two fastening holes 26" ". The second surface 24"" "has an electrode sheet 214" "".

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

Claims

1. The utility model provides a card edge connector which characterized in that, it is used for connecting printed circuit board and soft flat wire, wherein printed circuit board has buckle hole, electrode slice, first breach, third breach, first surface with the second surface of the corresponding side of first surface, and the second surface has electrode slice and buckle hole runs through first surface with the second surface, card edge connector includes:

the body is provided with an inserting port, a first accommodating space, a third accommodating space, a second retaining wall and a fourth retaining wall, wherein the inserting port is used for connecting the soft 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 arranged corresponding to the first notch and the fourth retaining wall is arranged corresponding to the third notch;

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 and is used for being arranged corresponding to the buckling hole, and the pushing piece is formed at the other free end of the buckling piece and is used for receiving acting force;

a terminal disposed in the insertion opening, the first accommodating space and the third accommodating space, the terminal being configured to electrically connect the flexible flat wire and the electrode sheet;

when the body moves towards the printed circuit board, the second retaining wall is used for being inserted into the first notch and the fourth retaining wall is used for being inserted into the third notch, the buckling block is inserted into the buckling hole, the body is locked on the printed circuit board by the buckling piece, the elastic piece deforms after the pushing piece is acted by the acting force, the buckling block is separated from the buckling hole, the buckling piece is unlocked from the printed circuit board, and the soft flat wire is selectively connected with the terminal through the inserting port before or after the body is connected with the printed circuit board.

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

3. The card edge connector of 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 being respectively formed at two free ends of the terminal, wherein the first contact portion is for connecting the flexible flat wire and the second contact portion for connecting the electrode pad.

4. The card edge connector of claim 3, wherein the terminal further comprises a connection portion formed between the first contact portion and the second contact portion, the connection portion being used to connect the body to the printed circuit board, the first contact portion being adjacent to the first surface and the second contact portion being adjacent to the second surface, such that the first contact portion is between the first surface and the flexible flat wire.

5. The card edge connector of claim 3, wherein the terminal further comprises a connection portion formed between the first contact portion and the second contact portion, wherein the connection portion enables the first contact portion and the second contact portion to be adjacent to the first surface when the 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 wire.

6. The card edge connector as claimed in claim 3, wherein the terminal further comprises the connection portion formed between the first contact portion and the second contact portion, the first contact portion and the second contact portion being connected to the printed circuit board by the connection portion, the flexible flat wire being disposed between the first contact portion and the second contact portion, and the second contact portion being disposed between the second surface and the flexible flat wire.

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

8. The card edge connector of claim 7, wherein the body further comprises a second extension extending on one side of the insertion opening, wherein an end of the second extension is flush with or beyond an end of the first extension.

9. The card edge connector of 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 of claim 1, wherein the body further comprises a plurality of stoppers and the pushing member further form a plurality of flanks, the plurality of stoppers correspond to the plurality of flanks to buffer and stop the elastic member from continuously deforming, wherein the plurality of stoppers are spaced apart from the plurality of flanks by a distance.

11. The card edge connector as claimed in claim 10, wherein the body further comprises a second notch formed in the fastener to expose the pushing member.

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

13. The card edge connector of claim 12, wherein the plurality of pushers of the plurality of latches are interconnected to form a common pusher.

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

15. The card edge connector according to claim 1, wherein the card holder is a plurality of card holes formed with the printed circuit board, the plurality of card holders respectively having a pushing member, an elastic member and a card block, the elastic member connecting the pushing member and the card block, the card block being formed at a free end of the card holder for being disposed corresponding to the card hole and the pushing member being formed at the other free end of the card holder for receiving a force, wherein the pushing member is acted upon by the force such that a moving direction of the card holder is parallel to the first surface or the second surface of the printed circuit board.

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

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