JPH10116659A - Connector for sheet-shaped conductive cable way - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent an unexpected short circuit in the fellow terminal pieces, in a constitution enabling the insertion and extraction of a sheet-shaped conductive cable way by elastically deforming the terminal piece. SOLUTION: In a connector housing 10, a terminal receiving chamber 12 is juxtaposed, here, an almost U-shaped terminal piece 30 is assembled. An upper side piece part 30 of this terminal piece 30 is swollen in an inserting chamber 13 formed in an upper side of each terminal receiving chamber 12, so as to come into elastic contact with an end part of an FPC20 inserted in this inserting chamber. In a rear end part of the connector housing 10, an operating part 15 is formed through a hinge part 16, by displacing downward this operating part 15, the upper side piece part 31 is pressed down, the FPC20 can be inserted/extracted. In this way, even without protruding partly the terminal piece 30, since the upper part side piece part 31 can be depressed, unexpected short circuit of the fellow terminal pieces 30 can be prevented.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sheet-like conductive path connector for connecting a sheet-like conductive path such as an FPC.

[0002]

2. Description of the Related Art A connector of this type is disclosed in Japanese Unexamined Utility Model Publication No.
One disclosed in Japanese Patent Publication No. 88079 is known. As shown in FIG. 6, the connector housing 1 includes a rectangular parallelepiped connector housing 1 in which a plurality of conductive terminal pieces 2 punched and formed in a substantially U-shape are assembled. This terminal strip 2 is elastically deformed in the vertical direction,
FPC3 inserted between the ceiling surface and terminal strip 2 from the front
Is pressed against the ceiling surface to come into contact with it.

On the other hand, the end of each terminal strip 2 on the side where the leg is opened protrudes out of the connector housing 1, and the lower end 2A is soldered to the board. Also,
The upper end portion 2B forms an operating portion, and by pressing down on the operating portion with a tool or a finger, a contact portion with the FPC 3 can be pushed down, so that the FPC 3 can be inserted into and removed from the connector housing 1. I have.

[0004]

However, in the above configuration, the operation part, which is a part of the terminal piece, protrudes from the connector housing. In other words, in the above configuration, since a part of the terminal piece is used as the operation part, a part of the terminal piece must be protruded out of the connector housing to operate the terminal piece. Therefore, there has been a problem that adjacent terminal pieces are inadvertently short-circuited. To avoid this problem, the terminal strip may be covered with the connector housing, but the terminal strip cannot be operated. Further, when the terminal piece is directly pressed with a finger or the like as in the above configuration, when there are a plurality of terminal pieces, it is difficult to press them all at once, which makes it difficult to insert and remove the FPC. There was also a problem.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a structure in which a sheet-like conductive path can be inserted and removed by elastically deforming a terminal piece.
It is an object of the present invention to provide a connector for a sheet-like conductive path, which can prevent a careless short circuit between terminal pieces and can easily insert and remove the sheet-like conductive path.

[0006]

According to a first aspect of the present invention, there is provided a sheet-like conductive path connector having a flat rectangular parallelepiped connector housing mounted on a substrate. Is formed with an insertion space in which a sheet-like conductive path such as an FPC can be inserted along the substrate, and has a plurality of terminal pieces that can elastically contact the sheet-like conductive path and one end of which is connected to the substrate. A connector for a sheet-like conductive path, wherein each terminal piece presses the sheet-like conductive path inserted into the insertion space against the inner wall surface of the connector housing, and a contact position where it can elastically contact therewith, and the pressing direction. Are elastically deformed in the opposite direction so as to be displaceable between an insertion / extraction position enabling insertion / removal of the sheet-like conductive path into / from the insertion space, and each of the connector housings has Characterized in that the operation section for displacing the insertion position by and pressing it covers the child pieces are formed integrally through the hinge portion.

According to a second aspect of the present invention, there is provided a sheet-like conductive path connector.
2. The connector for a sheet-like conductive path according to claim 1, wherein a guide surface for guiding the sheet-like conductive path into the insertion space is formed at an insertion opening for the sheet-like conductive path in the insertion space. Have.

According to a third aspect of the present invention, there is provided a sheet-like conductive path connector.
3. The connector for a sheet-like conductive path according to claim 1, wherein the connector housing has a terminal accommodating chamber for assembling the terminal piece therein, and the inner wall of the terminal accommodating chamber and the terminal piece are engaged with each other. The present invention is characterized in that a mating engagement projection and an engagement recess are formed.

[0009]

According to the first aspect of the present invention, each terminal piece is covered by the operation section, and when this operation section is operated, each terminal piece is pressed and displaced to the insertion / extraction position. Therefore, the sheet-like conductive path can be inserted into and removed from the insertion space. As described above, in the present invention, even if each terminal piece is covered, it can be displaced to the insertion / extraction position, thereby preventing an inadvertent short circuit between adjacent terminal pieces. Further, by providing the operation portion so as to cover each terminal piece, each terminal piece can be pressed at a time, thereby facilitating the work of inserting and removing the sheet-like conductive path.

According to the second aspect of the present invention, the guide surface is formed at the insertion opening into the insertion space for the sheet-like conductive path. Therefore, the sheet-shaped conductive path can be smoothly guided into the insertion space, and an effect of facilitating the work of inserting the sheet-shaped conductive path is achieved.

According to the third aspect of the present invention, when the terminal piece is assembled into the terminal accommodating chamber, the engaging projection and the engaging recess engage with each other, and the terminal piece is held in the assembled state. Therefore, there is an effect that the terminal piece can be reliably positioned and held.

[0012]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of a sheet-like conductive path connector according to an embodiment of the present invention; FIG. The sheet-like conductive path connector of the present embodiment is an FPC (corresponding to the sheet-like conductive path of the present invention).
This connector is mounted on a board in a horizontal direction. As shown in FIG. 1, the connector includes a flat rectangular parallelepiped connector housing 10 and a plurality of terminal pieces 30 assembled in the connector housing 10 and capable of elastically contacting the FPC 20.

In the connector housing 10, a plurality of partition walls 11 are provided on the bottom surface in a lateral direction (in FIG. 1, in a direction perpendicular to the paper surface).
And the connector housing 10
Inside, a plurality of terminal housing chambers 12 extending in the front-rear direction (the left-right direction in FIG. 1) are arranged side by side in the horizontal direction. In each of the terminal accommodating chambers 12, a terminal piece 30, which will be described later, is accommodated via a terminal assembling opening 12A formed on the rear surface side. Also, a predetermined gap is formed between the upper end of each partition 11 and the ceiling surface of the connector housing 10, whereby the upper part of each terminal accommodating chamber 12 is connected to form an insertion chamber 13 for inserting the FPC 20. ing. Further, a projection 13A is formed at the rear of each partition 11 so as to be continuous with the ceiling surface, and an excessive insertion is regulated by an end of the FPC 20 abutting on the projection 13A.

Further, the FPC 2 with respect to the peripheral edge of the opening on the front surface of the connector housing 10, that is, the insertion chamber 13.
As shown in FIG. 5, a guide surface 14 for guiding the FPC 20 to the insertion chamber 13 is formed in each of the insertion ports 18 of the zero insertion port 18 as shown in FIG. In particular, the guide surface 14 formed on the lower edge portion rises greatly obliquely upward,
The front end of each partition 11 is continuous with its upper edge.

At the rear end (left end in FIG. 1) of the upper surface of the connector housing 10, an operation portion 15 for elastically deforming each terminal strip 30 to a later-described insertion / removal position is provided with a self-hinge portion 1.
6 are formed integrally. That is, in the rear end portion of the connector housing 10, a portion which is continuous with the left and right side walls in FIG. 2 is slightly cut from the rear edge portion (the front edge portion in FIG. 2) to the front side (the rear portion in FIG. 2). The rear end portion of the connector housing 10 is separated from the left and right side walls. In addition, between the separated portion and the front portion, the back side is thinned in a groove shape between the left and right edges, and the separated portion rotates vertically with respect to the front portion. It is configured as follows. The separated portion is the operation portion 15, and the thinned portion is the self-hinge portion 16. Further, on the upper surface of the operation unit 15, the groove 1 extends substantially between the left and right edges.
5A is formed, into which a rod-shaped operation jig can be inserted. In addition, a general-purpose tool such as a flathead screwdriver can be used as the operation jig, in addition to the special tool.

Engagement projections 15B are provided on the left and right edges of the operation section 15 on the surfaces facing the left and right side walls of the connector housing 10, and can be engaged with the left and right side walls. An engagement recess 10A is provided. By the engagement of the two, the operation unit 15 is held in a horizontal state substantially flush with the upper surface of the connector housing 10 (the front part of the operation unit 15). In addition, a slit 17 is formed in the upper edge of the connector housing 10 at the rear portion of the left and right side walls in connection with a cut for separating the operation portion 15 from the left and right side walls. To facilitate engagement of the engagement projection 15B with the engagement recess 10A.

Each terminal strip 30 is formed by punching a conductive metal plate into a substantially U-shape, and is capable of bending and deforming in a vertical direction. Then, each of the terminal pieces 30 is assembled into the terminal accommodating chamber 12 via the terminal installation port 12A with the curved side facing forward.

In this assembled state, the upper piece (hereinafter referred to as the upper piece) 31 of each terminal piece 30 is inserted into the insertion chamber 1.
3, a contact portion 31A protruding substantially at the center of the upper piece portion 31 makes light contact with the ceiling surface. This position corresponds to the contact position according to the present invention, and the insertion chamber 13
The FPC 20 inserted therein can be pressed against the ceiling surface to make elastic contact therewith. In addition, the rear end of the upper piece 31 is bent upward to form a bent portion 31B, and in contact with the lower surface of the operation unit 15 in the assembled state. When the operating portion 15 is pushed down until it comes into contact with the partition wall 11, the upper piece portion 31 bends and deforms, and a gap for inserting the FPC 20 is formed between the contact portion 31A and the ceiling surface. I have. This position corresponds to the insertion / extraction position of the present invention, and the insertion / extraction of the FPC 20 can be performed in this state. In addition, the lower surface of the operation unit 15 is slightly notched to prevent the bent portion 31B abutting therefrom from shifting laterally, thereby enabling a smooth pushing operation.

Further, a lower portion of the terminal piece 30 (hereinafter, referred to as a terminal piece 30)
The lower piece 32 has three engaging projections 32A formed at one edge extending in the longitudinal direction thereof at equal intervals. And
When the terminal strip 30 is assembled in the terminal accommodating chamber 12, the partition 1
The terminal piece 30 is held in an assembled state by engaging with an engaging recess (not shown) formed on one side. The rear end of the lower piece 32 forms a soldered portion 32B.
It protrudes from 2A and is soldered to the substrate S.

The FPC 20 will be described briefly. FP
C20 has a three-layer structure, and resin films 21 and 22 are disposed on both upper and lower sides. Also, film 2
A conductive pattern 23 is disposed between the first and second electrodes 22 in a sandwich state. And the connector housing 1
In the insertion part of the zero insertion chamber 13, the lower film 22 is peeled off, and the conductive pattern 23 is exposed.

Next, the operation of the present embodiment will be described.
To connect the FPC 20 to the connector, the operation unit 15 is pressed with a finger from above. Then, since the bent portion 31B of the upper piece 31 is pressed downward, the contact portion 31A is
Is pushed down from the position. And the operation unit 1
When the position 5 comes into contact with the upper end of the partition 11, a gap necessary for inserting the FPC 20 is formed between the contact portion 31A and the ceiling surface (see FIG. 4). The operation unit 15
May be performed by pushing an operation jig or the like into the groove 15A of the operation unit 15 in addition to pressing with a finger. For example, the tip of a flathead screwdriver is inserted into the groove 15A, and the operation unit 15 is pressed downward.

Subsequently, the end of the FPC 20 is inserted into the insertion chamber 13 through the insertion port 18. At this time, if the insertion position of the FPC 20 is deviated from the normal position, the end of the FPC 20 abuts on the guide surface 14 and is thereafter guided to the insertion port 18. The end of the FPC 20 inserted into the insertion chamber 13 is pushed into the back side through a gap formed between the contact portion 31A and the ceiling surface, and contacts the protruding portion 13A.
When the pressing operation of the operation unit 15 is stopped, the operation unit 15 is stopped.
Is lifted by the elastic force of the terminal strip 30 and returns to its original position. In the original position, the engagement protrusion 15B and the engagement recess 10A
Are engaged, the operation unit 15 is held at that position. Further, at the same time when the operation unit 15 returns to the original position, the FPC 20 is pressed against the ceiling surface by the contact unit 31A, and the respective terminal strips 30 and the conductive patterns 23 of the FPC 20 respectively contact (see FIG. 1).

In order to remove the FPC 20, the operation unit 15 is pressed down with a finger until it comes into contact with the partition 11, as described above. Then, similarly to the above, since the contact portion 31A is pushed down and the contact portion 31A is separated from the FPC 20, the FPC 2
0 can be withdrawn from the insertion chamber 13 without difficulty.

As described above, in this embodiment, the FPC is operated by operating the operation section 15 formed on the connector housing 10.
20 can be inserted and removed, so that part of the terminal strip 30 other than the soldered portion 32B is
It is possible to avoid protruding from zero. Therefore, an inadvertent short circuit between adjacent terminal pieces 30 can be prevented. Moreover, in the present embodiment, each terminal piece 30 can be pressed at a time. In other words, in the conventional case where the terminal piece itself is pressed with a finger, it becomes difficult to perform the pressing operation at a time as the number of the terminal pieces increases, but when the pressing operation is performed by the operation unit 15 as in the present embodiment. Thus, even if the number of terminal pieces 30 is increased, they can be pressed at once, and this has the effect of facilitating the operation of inserting and removing the FPC 20.

Since the guide surface 14 is formed in the insertion opening 18 of the insertion chamber 13, the FPC 20 can be smoothly inserted into the insertion chamber 1.
3, the terminal piece 30 and the partition wall 11 are provided with an engaging projection 32A and an engaging recess which can be mutually engaged with each other, so that the terminal piece 30 can be reliably positioned and held. Can be. In addition, since the operation unit 15 can be operated using a finger or a general-purpose tool, there is no need for a special tool when the FPC 20 needs to be inserted and removed in the market, such as during maintenance, and the practical value in the market Can be increased.

The present invention is not limited to the above-described embodiment, but can be modified as follows, for example, and these embodiments also belong to the technical scope of the present invention. (1) The above embodiment shows an example in which the present invention is applied to a connector for connecting the FPC 20, but may be applied to a connector for connecting a flat cable, a tape wire, or the like.

(2) In the above embodiment, the terminal piece 30 is formed by punching a metal plate into a substantially U shape.
It may be formed by bending an elongated metal plate into a substantially U-shape.

(3) In the above embodiment, the terminal piece 30 is held in the assembled state by engaging the engaging projection 32A with the engaging recess formed in the partition wall 11. A configuration in which a recess is formed in a piece and a projection on the housing side is engaged therewith, or a configuration in which a projection is formed on a terminal piece and is engaged with a cutout on the housing side may be used.
In addition, the present invention can be implemented with various modifications without departing from the scope.

[Brief description of the drawings]

FIG. 1 shows the entirety of this embodiment (in a state where an FPC is connected).
FIG.

FIG. 2 is a partially omitted perspective view of a rear view of the connector.

FIG. 3 is a side sectional view showing a contact position of a terminal piece.

FIG. 4 is a side sectional view showing the insertion / extraction position of a terminal piece.

FIG. 5 is a front perspective view of the connector.

FIG. 6 is a side sectional view showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Connector housing 11 ... Partition wall (inner wall) 12 ... Terminal accommodating chamber 13 ... Insertion chamber (insertion space) 14 ... Guide surface 15 ... Operation part 16 ... Self-hinge part (hinge part) 18 ... Insertion opening 20 ... FPC (sheet shape) Conductive path) 30: terminal strip 32A: engaging projection S: substrate

Claims (3)

[Claims] 1. A flat rectangular parallelepiped connector housing mounted on a board, the connector housing having an insertion space in which a sheet-like conductive path such as an FPC can be inserted along the board. A sheet-like conductive path connector in which a plurality of terminal pieces that are elastically contactable with the sheet-like conductive path and one end of which is connected to the substrate are incorporated, wherein each of the terminal pieces is the insertion space; The sheet-shaped conductive path inserted into the connector housing is pressed against the inner wall surface of the connector housing, and is elastically deformed in a direction opposite to the pressing direction by being elastically contacted with the inner surface of the connector housing. The connector housing is formed so as to be displaceable between an insertion / removal position enabling insertion / removal, and the connector housing covers the terminal pieces and presses them to the insertion / removal position. Sheet-shaped electrical path connector for operating portion for position is characterized by being formed integrally through the hinge portion. 2. The connector for a sheet-like conductive path according to claim 1, wherein an insertion opening for the sheet-like conductive path in the insertion space has a guide surface for guiding the sheet-like conductive path into the insertion space. A connector for a sheet-like conductive path, wherein a connector is formed. 3. The sheet-like conductive path connector according to claim 1, wherein the connector housing has a terminal receiving chamber for assembling the terminal piece.
A connector for a sheet-like conductive path, wherein an engagement projection and an engagement recess are formed on an inner wall of the terminal accommodating chamber and the terminal piece so as to be mutually engageable.