JP2013073933A - Connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector which does not cause decline of a contact pressure due to shape degradation of a pressurizing part even when a turning operation of a pressurizing member is repeated.SOLUTION: A support part 16 for freely turnably supporting a pressurizing part 42 is provided on a rear end side of a connector body 10, and by the pressurizing part 42 being turned while being in contact with rear end sides of movable piece parts 22 and 32 and the support part 16 respectively, the rear end sides of the movable piece parts 22 and 32 are pushed up by the pressurizing part 42. Thus, the pressurizing part 42 and the support part 16 abutted to each other are in contact of synthetic resin with each other, and even when the turning of a pressurizing member 40 is repeated, the pressurizing part 42 is not chipped by the contact with the support part 16, and such shape degradation of the pressurizing part 42 is prevented. Thus, a push-up height of the movable piece parts 22 and 32 by the pressurizing part 42 is kept at a sufficient height at all times, and the decline of the contact pressure of the movable piece parts 22 and 32 to a flexible circuit 1 is effectively prevented.

Description

  The present invention relates to a connector for connecting, for example, a flexible printed circuit (FPC) or a flexible flat cable (FFC).

  Conventionally, as this type of connector, an FPC, FFC, or other connection object (hereinafter referred to as a flexible circuit) is inserted in the width direction between the connector body made of a synthetic resin into which the connection object is inserted from the front. A plurality of terminals held at intervals, a movable piece provided on the terminals so as to extend in the front-rear direction, and a rear end side of the connector main body, which are rotatably provided and rotated in a predetermined direction. A pressing member made of a synthetic resin that presses the movable piece of each terminal against an object to be connected. When the pressing member is rotated in the predetermined direction, each pressing terminal provided on the pressing member is rotated while each terminal is rotated. It is known that the front end side of the movable piece portion is displaced downward by pushing up the rear end side of the movable piece portion to come into contact with the upper surface of the connection object (for example, see Patent Document 1).

  In this connector, the movable piece portion is provided on the rear end side of each terminal with an extending portion extending rearward at an interval in the vertical direction, and the pressing portion is rotated between the rear end side of the movable piece portion and the extending portion. By moving, the rear end side of the movable piece portion is pushed up by the pressing portion.

JP 2007-173255 A

  By the way, in the conventional connector, the pressing part rotates while contacting the rear end side of the movable piece part of the terminal and the extension part, respectively, but the extension part is formed integrally with the metal terminal. Therefore, the contact area with the pressing portion is small because it is harder than the pressing portion made of synthetic resin and has a small width. For this reason, when the rotation operation of the pressing member is repeated, the contact portion with the extending portion of the pressing portion is scraped, and the pushing-up height on the rear end side of the movable piece portion by the pressing portion is insufficient due to such shape deterioration. Therefore, there is a problem that the contact pressure of the movable piece portion with respect to the flexible circuit is lowered.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a connector that does not cause a decrease in contact pressure due to deterioration of the shape of the pressing portion even when the pressing member is repeatedly rotated. It is to provide.

  In order to achieve the above object, the present invention provides a connector body made of synthetic resin into which a connection object is inserted from the front, a plurality of terminals held in the connector body at intervals in the width direction, and front and rear of the terminals. A movable piece provided so as to extend in the direction, and a synthetic resin that is rotatably provided on the rear end side of the connector main body and presses the movable piece of each terminal against the connection object by turning in a predetermined direction. When the pressing member is rotated in the predetermined direction, the pressing portion provided on the pressing member rotates and pushes up the rear end side of the movable piece portion of each terminal, thereby moving the movable piece portion. In the connector in which the front end side of the connector is displaced downward to come into contact with the upper surface of the connection object, a support portion for rotatably supporting the pressing portion is provided on the rear end side of the connector body, and the pressing portion is a movable piece portion. Rear end side and connector body support The rear end side of the movable piece part is pushed up by the pressing part by rotating while abutting on each, and the support part is restrained from moving backward by locking the pressing part. An engaging portion is provided.

  As a result, the pressing portion rotates while abutting the rear end side of the movable piece portion and the support portion of the connector body, so that the rear end side of the movable piece portion is pushed up by the pressing portion. And the support portion are in contact with each other, and even if the pressing member is repeatedly rotated, the pressing portion is not scraped by the contact with the support portion. Moreover, when a press part latches to the latching | locking part provided in the support part, the movement to the back of a press part is controlled.

  According to the present invention, even if the rotation of the pressing member is repeated, the pressing portion is not scraped by contact with the support portion, and thus the shape deterioration of the pressing portion can be prevented. Thereby, the pushing-up height of the movable piece part by a press part can always be kept at sufficient height, and the fall of the contact pressure of the movable piece part with respect to a flexible circuit can be prevented effectively. In addition, since the rearward movement of the pressing portion can be restricted by the locking portion provided in the support portion, the rearward movement of the pressing portion can be prevented by the locking portion.

The front side perspective view of the connector which shows one Embodiment of this invention Rear perspective view of the connector Side sectional view of connector Side sectional view of connector Side sectional view of the pressing part Side sectional view of the connector showing the operation of the first terminal and the pressing member Side sectional view of the connector showing the operation of the first terminal and the pressing member Side sectional view of the connector showing the operation of the first terminal and the pressing member Side surface sectional drawing of the connector which shows operation | movement of a 2nd terminal and a press member Side surface sectional drawing of the connector which shows operation | movement of a 2nd terminal and a press member Side surface sectional drawing of the connector which shows operation | movement of a 2nd terminal and a press member

  1 to 11 show an embodiment of the present invention, which is a connector for connecting a connection object such as a flexible printed circuit (FPC) or a flexible flat cable (FFC).

  This connector includes a connector main body 10 into which a flexible circuit 1 as a connection object is inserted from the front, a plurality of first terminals 20 and a plurality of first terminals arranged in the connector main body 10 at intervals in the width direction. 2, and a flexible pressing member 40 that presses each first terminal 20 and each second terminal 30 against the flexible circuit 1 inserted into the connector body 10, and each first terminal The second terminals 30 and the second terminals 30 are alternately arranged in the width direction of the connector body 10 every other one.

  The flexible circuit 1 is a flat connection object having flexibility in the thickness direction, and includes a so-called flexible flat cable (FFC) or a flexible printed circuit (FPC). In addition, a plurality of electrical contacts (not shown) are provided on both sides in the thickness direction of the flexible circuit 1 at intervals in the width direction.

  The connector body 10 is made of a synthetic resin molded product, and an insertion port 10a for inserting the flexible circuit 1 is provided on the front surface thereof. The connector body 10 includes an upper surface portion 11, a bottom surface portion 12, and a side surface portion 13, and a plurality of first terminal holes 14 for holding the first terminals 20 and the second terminals 30 in the connector body 10. A plurality of second terminal holes 15 are alternately provided in the width direction of the connector body 10 alternately.

  Each first terminal hole 14 is formed in the bottom surface portion 12 of the connector main body 10 so as to extend in the front-rear direction, and the first terminal 20 is inserted from the front side of the connector main body 10. In this case, a holding hole 14 a for holding the rear end side of the first terminal 20 is provided on the rear end side of each first terminal hole 14.

  Each second terminal hole 15 is formed in the bottom surface portion 12 of the connector main body 10 so as to extend in the front-rear direction, and the second terminal 30 is inserted from the back side of the connector main body 10. In this case, a holding hole 15 a that holds the front end side of the second terminal 30 is provided on the rear end side of each second terminal hole 15.

  A support portion 16 that rotatably supports the pressing member 40 is provided on the rear end side of the connector main body 10. The support portion 16 is formed on the rear end side of the bottom surface portion 12 and supports the pressing member 40 by its upper surface. On the rear end side of the support portion 16, a locking portion 16 a that restricts the backward movement of the pressing member 40 by locking with the pressing member 40 is provided. The locking portion 16 a is provided for each first terminal 20. Is provided. Each locking portion 16 a is formed so as to protrude upward from the upper surface of the support portion 16, and its front surface side is formed so as to form a curved surface continuous with the upper surface of the support portion 16. Further, the locking portion 16 a is formed to be wider than the first terminal 20.

  Each first terminal 20 is made of a conductive metal plate, and is inserted into each first terminal hole 14 of the connector body 10 from the front of the connector body 10. Each first terminal 20 includes a fixed piece portion 21 disposed on the bottom surface side of the connector main body 10, a movable piece portion 22 disposed above the fixed piece portion 21, a fixed piece portion 21, and a movable piece portion 22. It consists of the elastic piece part 23 provided between these.

  The fixed piece portion 21 is formed so as to extend in the front-rear direction of the connector main body 10, and the rear end portion 21 a is press-fitted into the holding hole 14 a of the first terminal hole 14. A connecting portion 21 b connected to a substrate (not shown) is provided at the front end of the fixed piece portion 21, and the connecting portion 21 b is formed so as to be positioned on the bottom surface side of the connector main body 10. Further, a first contact portion 21c that contacts an electrical contact on the lower surface side of the flexible circuit 1 is provided at a substantially center in the front-rear direction of the fixed piece portion 21 so as to protrude upward.

  The movable piece portion 22 is formed so as to extend in the front-rear direction of the connector body 10, and a second contact portion 22 a that contacts an electrical contact on the upper surface side of the flexible circuit 1 is provided at the front end thereof so as to protrude downward. It has been. A contact portion 22b with which the pressing member 40 contacts from below is formed on the rear end side of the movable piece portion 22, and the contact portion 22b is disposed at a distance from the support portion 16 of the connector body 10 in the vertical direction. . In addition, a protruding portion 22c that protrudes downward is provided at the rear end of the contact portion 22b.

  The elastic piece portion 23 is formed so as to extend in the vertical direction from the rear end side of the fixed piece portion 21 to substantially the center in the front-rear direction of the movable piece portion 22, and the movable piece portion 22 is displaced by elastic deformation of the elastic piece portion 23. It has become.

  Each second terminal 30 is made of a conductive metal plate, and is inserted into each second terminal hole 15 of the connector body 10 from the rear of the connector body 10. Each second terminal 30 includes a fixed piece portion 31 disposed on the bottom surface side of the connector body 10, a movable piece portion 32 disposed above the fixed piece portion 31, a fixed piece portion 31, and a movable piece portion 32. It consists of the elastic piece part 33 provided between these.

  The fixed piece portion 31 is formed so as to extend in the front-rear direction of the connector body 10, and the front end portion 31 a is press-fitted into the holding hole 15 a of the second terminal hole 15. In this case, the rear end side of the fixed piece portion 31 is formed such that the upper end thereof is the same height as the upper surface of the support portion 16 of the connector body 10. A connecting portion 31 b connected to a substrate (not shown) is provided at the front end of the fixed piece portion 31, and the connecting portion 31 b is formed so as to be positioned on the bottom surface side of the connector main body 10. Further, a first contact portion 31 c that contacts an electrical contact on the lower surface side of the flexible circuit 1 is provided on the front end side of the fixed piece portion 31 so as to protrude upward.

  The movable piece portion 32 is formed so as to extend in the front-rear direction of the connector body 10, and a second contact portion 32 a that contacts an electrical contact on the upper surface side of the flexible circuit 1 is provided at the front end thereof so as to protrude downward. It has been. In this case, the movable piece portion 32 of the second terminal 30 is formed to be longer forward than the movable piece portion 22 of the first terminal 20, and the second contact portion 32a of the second terminal 30 is the first contact portion 32a. The terminal 20 is positioned in front of the second contact portion 22a. A contact portion 32b with which the pressing member 40 contacts from below is formed on the rear end side of the movable piece portion 32, and the contact portion 32b is disposed at a distance from the rear end side of the fixed piece portion 31 in the vertical direction. Yes.

  The elastic piece portion 33 is formed so as to extend in the vertical direction from the substantially longitudinal center of the fixed piece portion 31 to the substantially longitudinal center of the movable piece portion 32, so that the movable piece portion 32 is displaced by elastic deformation of the elastic piece portion 33. It has become.

  The pressing member 40 is made of a synthetic resin molded product, is formed so as to extend in the width direction of the connector main body 10, and is disposed on the rear end side of the connector main body 10. The pressing member 40 includes an operation unit 41 that protrudes toward the outside of the connector body 10 and a pressing unit 42 that pushes up the rear end sides of the movable pieces 22 and 32 of the first and second terminals 20 and 30. The pressing portion 42 is provided so as to be positioned between the contact portions 22 b and 32 b of the movable piece portions 22 and 32 and the support portion 16 of the connector main body 10.

  The pressing portion 42 is formed to have a substantially oval cross section. As shown in FIGS. 6 and 9, the longitudinal direction of the cross section of the pressing portion 42 is the front-rear direction at the rotational position where the operation portion 41 is positioned upward. As shown in FIGS. 8 and 11, the longitudinal direction of the cross section of the pressing portion 42 is formed in the up and down direction at the rotation position where the operation portion 41 is located rearward. Further, the pressing portion 42 is located before and after the other end side in the longitudinal direction in the cross section (the lower end side in the rotational position in FIGS. 6 and 9) than the one end side in the longitudinal direction in the cross section (the upper end side in the rotational position in FIGS. 6 and 9). The width in the direction is formed to be wide. In this case, as shown in FIG. 5, the circumferential surface on one end side in the longitudinal direction of the pressing portion 42 is formed by an arc-shaped first curved surface portion 42a centered on the point P1. Further, the circumferential surface on the other end side in the longitudinal direction of the pressing portion 42 has an arc-shaped second curved surface portion 42b centered on the point P2, and an arc-shaped third curved surface portion 42c centered on the point P3. The flat surface portion 42d connects the second curved surface portion 42b and the third curved surface portion 43b.

  In the connector configured as described above, when the flexible circuit 1 is connected, first, as shown in FIGS. 6 and 9, the pressing member 40 is moved to the rotation position where the operation portion 41 is located above the connector body 10. In this state, the flexible circuit 1 is inserted into the connector body 10 from the insertion port 10a. Next, as shown in FIGS. 7 and 10, when the pressing member 40 is rotated backward while pushing the operation portion 41 backward, the pressing portion 42 of the pressing member 40 moves the first and second terminals 20, 30. It rotates between the contact parts 22b and 32b of the piece parts 22 and 32 and the support part 16 of the connector main body 10, and presses while the other end side of the cross-section longitudinal direction of the press part 42 contacts the support part 16 of the connector main body 10 One end side in the longitudinal direction of the section 42 abuts against the abutting portions 22 b and 32 b of the movable piece portions 22 and 32. Thereafter, as shown in FIGS. 8 and 11, when the operation portion 41 rotates the pressing member 40 to the rotation position located behind the connector main body 10, the rear end side (contact portion) of the movable piece portions 22 and 32 is reached. 22b, 32b) is pushed up by the pressing portion 42, and the elastic end portions 23, 33 are elastically deformed so that the front end sides of the movable piece portions 22, 32 are displaced downward, and the second contact portions 22a of the movable piece portions 22, 32 are moved downward. , 32a are pressed against the upper surface of the flexible circuit 1 downward. Accordingly, the second contact portions 22a and 32a of the movable piece portions 22 and 32 come into contact with the electrical contacts on the upper surface side of the flexible circuit 1, and the first contact portions 21c and 31c of the fixed piece portions 21 and 31 are flexible. The flexible circuit 1 is connected to the first and second terminals 20 and 30 in contact with the electrical contacts on the lower surface side of the circuit 1.

  Further, in the rotation of the pressing member 40, the other end side in the longitudinal direction of the pressing portion 42 rotates while being locked to the locking portion 16a of the support portion 16, so that the locking portion 16a causes the rear of the pressing portion 42 to move backward. Movement to is regulated. At that time, as shown in FIG. 6, the pressing portion 42 has the point P2 as the center of rotation in the initial stage of rotation, but the center of rotation gradually shifts from the point P2 to the point P3 as shown in FIG. As shown in FIG. 8, at the end of the rotation, it rotates around the point P3. Thus, at the end of rotation, the other end in the longitudinal direction of the cross section of the pressing portion 42 moves forward by a distance L between the points P2 and P3 while being locked to the locking portion 16a. Accordingly, since the rotation of the pressing portion 42 is accompanied by the forward movement of the other end side in the longitudinal direction of the cross section, the force that the pressing portion 42 tries to get over the locking portion 16a is suppressed as compared with the case of only the rotation. The pressing portion 42 is difficult to come off rearward.

  As described above, according to the connector of the present embodiment, the support portion 16 that rotatably supports the pressing portion 42 is provided on the rear end side of the connector body 10, and the pressing portion 42 is the rear end of the movable piece portions 22 and 32. Since the rear end sides of the movable piece portions 22 and 32 are pushed up by the pressing portion 42 by rotating while abutting on the side and the supporting portion 16 of the connector body 10, the pressing portion 42 and the supporting portion that are in contact with each other. Even if 16 is a contact between the synthetic resins and the rotation of the pressing member 40 is repeated, the pressing portion 42 is not scraped by the contact with the support portion 16, and the shape deterioration of the pressing portion 42 is prevented. Can do. Thereby, the pushing-up height of the movable piece parts 22 and 32 by the pressing part 42 can always be kept at a sufficient height, and a decrease in the contact pressure of the movable piece parts 22 and 32 with respect to the flexible circuit 1 is effectively prevented. be able to.

  In addition, since the pressing portion 42 is locked to the locking portion 16a provided in the support portion 16 so that the movement of the pressing portion 42 to the rear is restricted, the release of the pressing portion 42 to the rear is related. This can be prevented by the stop 16a.

  In this case, when the pressing portion 42 is formed to move forward while being locked to the locking portion 16a when rotating in the direction of pushing up the movable piece portions 22 and 32, the pressing portion 42 is rotated. With the forward movement, the force that the pressing portion 42 tries to get over the locking portion 16a can be suppressed as compared with the case of only turning, which is extremely effective in preventing the pressing portion 42 from coming off rearward. It is advantageous.

  Further, since the support portion 16 is formed to be wider than the first terminal 20, the contact area between the support portion 16 and the pressing portion 42 can be increased, which is extremely advantageous for preventing the pressing portion 42 from being scraped. It is.

  Furthermore, the first terminals 20 inserted into the connector main body 10 from the front and the second terminals 30 inserted into the connector main body 10 from the rear are alternately arranged one by one in the width direction of the connector main body 10, The main body 10 is provided with a plurality of first terminal holes 14 for holding the first terminals 20 and a plurality of second terminal holes 15 for holding the second terminals 30. Since the support portion 16 is formed behind the terminal hole 14, the support portion 16 can be formed on the rear end side of the connector body 10 without forming the first terminal hole 14 to the rear end side of the connector body 10. it can. Thereby, the 1st terminal hole 14 can be made not to exist under the support part 16, and the part which forms the support part 16 in the rear-end side of the connector main body 10 can fully be ensured.

  In the embodiment, the first terminals 20 inserted into the connector main body 10 from the front and the second terminals 30 inserted into the connector main body 10 from the rear are alternately arranged one by one in the width direction of the connector main body 10. However, for example, only the first terminal 20 may be provided.

  DESCRIPTION OF SYMBOLS 1 ... Flexible circuit, 10 ... Connector main body, 14 ... 1st terminal hole, 15 ... 2nd terminal hole, 16 ... Support part, 16a ... Locking part, 20 ... 1st terminal, 30 ... 2nd terminal 40 ... Pressing member, 42 ... Pressing part.

Claims (3)

A connector body made of a synthetic resin into which a connection object is inserted from the front, a plurality of terminals held in the connector body at intervals in the width direction, and a movable piece provided to extend in the front-rear direction to the terminals And a synthetic resin pressing member that is pivotally provided on the rear end side of the connector main body and presses the movable piece portion of each terminal against the connection object by rotating in a predetermined direction. When rotating in the predetermined direction, the pressing portion provided on the pressing member rotates and pushes up the rear end side of the movable piece portion of each terminal, whereby the front end side of the movable piece portion is displaced downward and the connection object In the connector that comes into contact with the upper surface of
A support portion is provided on the rear end side of the connector body to support the pressing portion in a freely rotatable manner.
The pressing part is configured to rotate while being in contact with the rear end side of the movable piece part and the support part of the connector body, so that the rear end side of the movable piece part is pushed up by the pressing part,
The support part is provided with an engaging part that restricts the backward movement of the pressing part by engaging with the pressing part. The connector according to claim 1, wherein the locking portion is formed to be wider than the terminal. Each of the terminals is inserted into the connector body from the front to be held in the connector body, and the second terminal is inserted into the connector body from the back to be held in the connector body. It consists of terminals and
The first terminals and the second terminals are alternately arranged one by one in the width direction of the connector body,
The connector body is provided with a plurality of first terminal holes for holding the first terminals and a plurality of second terminal holes for holding the second terminals, and behind the first terminal holes. The connector according to claim 1, wherein the support portion is formed on the connector.

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