JP2019114354A - Electric connector for flat conductor - Google Patents

Abstract

To provide an electric connector for flat conductor capable of obtaining contact pressure of a terminal to a flat conductor effectively.SOLUTION: A terminal 20 has a lower arm part 21, an upper arm part 22 and a coupling part 23, where the lower arm part 21 has a fixed arm part 24 in contact with the top face of the bottom wall 11 and fixed and held by the bottom wall, and two flexible contact arm parts extending from the fixed arm part at a position behind the coupling part 23, a front contact arm part 25 and a rear contact arm part 26 are formed in the two contact arm parts at different positions in the cross direction, a front contact part 25A is provided in the front contact arm and a rear contact part 26A is provided in the rear contact arm. The upper arm part 22 has a press arm part 27 where a press part pressing the flat conductor for the front and rear contact parts behind the coupling part 23 is formed, and a pressed arm part 28 where a pressed part being pressed upward by the movable member in front of the coupling part is formed, the coupling part for coupling the lower arm part 21 and the upper arm part 22 is extending from the lower arm part toward the upper arm part while leaning backwards.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a flat conductor electrical connector disposed on a mounting surface of a circuit board and connected to a flat conductor.

  An electrical connector of this type is disclosed, for example, in FIG. 7 of Patent Document 1, and has a lower arm portion, an upper arm portion connected to the lower arm portion by a connecting portion, and the lower arm portion A fixed arm fixedly held by the housing bottom wall, and a front contact arm and a rear contact arm extending in directions approaching each other from two different positions of the fixed arm and capable of bending and displacement independently; A front contact portion is provided at the rear end of the front contact arm portion and a rear contact portion is provided at the front end of the rear contact arm portion, and the positions of the front contact portion and the rear contact portion are close in the longitudinal direction. The connecting portion connects the upper arm portion and the lower arm portion, and is formed as an arm portion which is perpendicular to the front-rear direction and extends in the vertical direction.

  On the other hand, the upper arm has a pressure arm at the rear and a pressure arm at the front from the connecting portion, and is operated by the movable movable member engaged with the pressure receiving portion formed at the front end of the pressure arm. The front end of the pressure arm is lifted up, and the pressing arm bends downward with the connecting portion at the intermediate position as a fulcrum, and the pressing portion formed at the rear end of the pressing arm is displaced downward to form a flat conductor Is pressed against the front contact portion and the rear contact portion.

  Therefore, the flat conductor is provided on the front contact portion and the rear contact arm which are elastically displaced independently of each other, and comes into contact at two points of the front contact portion and the rear contact portion which are close to each other. To be done.

Patent No. 4993788

  In this type of connector, although the front contact arm and the rear contact arm extending in the front and rear direction are adjacent to each other in the front and rear direction, they are at different positions so as to be independently elastically displaceable. As a whole, it becomes a long terminal back and forth. Further, since the front contact portion of the front contact arm and the rear contact portion of the rear contact arm are provided to be close to each other in the front and rear direction, these contact portions are connected to the rear end of the terminal from the position of the connecting portion. It will be located in the middle of the distance to the position. Therefore, the pressing arm portion of the upper arm portion located rearward of the connecting portion has an arm length extending from the position of the connecting portion to the intermediate position, that is, a position near both the front contact portion and the rear contact portion in the longitudinal direction. . The pressing arm portion is required to have a constant arm length because it is elastically displaced so as to press the flat conductor at the pressing portion. As a result, the arm length of the pressure-receiving arm located forward of the connecting portion is shortened. The shortening of the arm length of the pressure-receiving arm means that the rigidity of the pressure-receiving arm is increased, which means that the movable member is operated with a large force to lift the pressure-receiving portion upward. On the other hand, when the force is suppressed to a low value, the moment transmitted to the pressing arm is reduced because the pressing arm is elastically displaced downward. If the position of the connecting portion is moved backward and set, the arm length of the front contact arm substantially the same as the arm length of the pressing arm becomes short, and the front contact arm is less likely to be elastically displaced.

  In view of such circumstances, the present invention is a flat type having a terminal capable of increasing the elastic displacement amount by increasing the arm length of the front contact arm portion and securing or even slightly increasing the elastic displacement amount of the pressing arm portion. An object is to provide a conductor electrical connector.

  In the flat conductor electrical connector according to the present invention, a flat housing having a receiving portion for receiving a connecting portion formed in the front end area of the flat conductor formed to open rearward between the bottom wall and the top wall; It is made of a flat metal plate and has a plurality of terminals arranged and held by the housing in a direction perpendicular to the flat surface, the terminals being located on the bottom wall side of the housing and extending in the front-rear direction along the bottom wall A lower arm, an upper arm located on the upper wall side of the housing and extending in the longitudinal direction along the upper wall, and a connecting portion for connecting the lower arm and the upper arm at an intermediate position in the longitudinal direction And the lower arm portion has a contact portion for coming into contact with the connection portion of the flat conductor, and the upper arm portion displaces the pressing portion, which displaces the flat conductor toward the lower arm portion, from the connecting portion Couplings to have a rearward position and to provide a downward displacement of the pusher And a pressed portion to be assay upwardly remote forward engages the movable member to provide a displacement upward relative to the upper arm.

In the flat conductor electrical connector according to the present invention, the lower arm extends from the fixed arm at a position rearward of the connecting portion, and the fixed arm fixedly held by the bottom wall in contact with the upper surface of the bottom wall. It has two flexible contact arms, and the two contact arms are formed with front contact arms and rear contact arms at different positions in the back and forth direction, and the front contact arms are the front contact arms, the rear contact arms The rear contact is provided in the
The upper arm portion is directed upward by the movable arm at a position forward of the connecting portion and a pressing arm portion formed with a pressing portion for pressing the flat conductor against the front contact portion and the rear contact portion at a position rearward of the connecting portion. A pressure-receiving arm portion formed with a pressure-receiving portion to be pressed;
The connecting portion for connecting the lower arm portion and the upper arm portion is characterized by extending obliquely backward from the lower arm portion to the upper arm portion.

  In the present invention configured as described above, since the connecting portion of the terminal extends obliquely rearward from the lower arm to the upper arm, at least one of the pressing arm of the lower arm and the pressure receiving arm of the upper arm However, the length of the arm can be increased, and both of them are easily bent elastically. As a result, in any of the case of the pressing arm and the case of the pressure-receiving arm, the operation of the movable member is facilitated. That is, when the arm length of the pressing arm becomes large, the pressing arm becomes easy to bend, the reaction force to the pressing portion through the flat conductor becomes small, and the operation of the movable member becomes easy. When the arm length is increased, the moment around the connecting portion with respect to the pressing arm based on the operation force from the movable member at the pressure receiving portion is increased to obtain a large pressing force, or the pressing force may not be too large. When the pressing force is small, the operating force is small and thus the operation of the movable member is facilitated. Furthermore, with regard to the pressing arm of the upper arm, the elastic displacement of the pressing arm is promoted because the connecting portion is inclined as described above.

  In the present invention, the front contact arm and the rear contact arm extend in the front-rear direction toward different directions from different positions, the front contact portion at the rear end of the front contact arm and the rear contact portion at the front end of the rear contact arm It can be provided.

  In this case, the front contact portion and the rear contact portion are positioned close to each other in the front-rear direction.

  In the present invention, the pressing arm of the upper arm is formed by the upper pressing arm and the lower pressing arm extending parallel to the rear from the position of the connecting portion, and the upper pressing arm is longer than the lower pressing arm The rear pressing portion may be provided at the rear end of the upper pressing arm and the rear pressing portion at the rear end of the lower pressing arm.

  By doing this, since pressing is performed at two positions of the front pressing portion and the rear pressing portion, the pressing range in the front-rear direction becomes wider, and the pressing becomes uniform as compared to the case of concentrated pressing at one point.

  In the present invention, the pressing arm of the upper arm is in the same position as the rear contact portion in which the rear pressing portion of the upper pressing arm is formed on the rear contacting arm of the lower arm in the front and rear direction. The forward pressing portion of the portion may be in the same position as the forward contacting portion of the forward contact arm of the lower arm.

  By doing this, since the two pressing portions press at the positions corresponding to the two contact portions respectively, the flat conductor is strongly pinched and the contact pressure becomes large.

  As described above, since the connecting portion for connecting the upper arm portion and the lower arm portion of the terminal is extended rearwardly from the lower end portion toward the upper arm portion, the length in the longitudinal direction of the connector is The length of at least one of the pressure contact arm of the upper arm located forward of the connection and the front contact arm of the lower arm located rearward of the connection can be set large without increasing the length In either case, it is easy to elastically displace, and the operation of the movable member at the pressure receiving portion becomes easy.

It is a perspective view showing the whole flat electrical connector for electrical connection concerning one embodiment of the present invention, and the state where a flat type conductor is not inserted and a movable member is in an open position is shown. FIG. 7 is a perspective view of the movable member brought to the closed position after the flat conductor is inserted into the connector of FIG. 1; FIG. 2A is a cross-sectional view of the connector of FIG. 1 at a terminal position, where (A) is an open position of the movable member before inserting the flat conductor, (B) is an open position of the movable member at the completion of flat conductor insertion, (C) Shows the movable member in the closed position after the flat conductor insertion is completed.

   Hereinafter, an embodiment of the present invention will be described based on the attached drawings.

   1 and 2 are perspective views showing the whole of the flat conductor electrical connector according to this embodiment, and FIG. 1 shows a state where the flat conductor is not inserted and the movable member is in the open position, and FIG. The movable member is shown in the closed position after the mold conductor insertion is completed. 3 is a cross-sectional view showing a longitudinal cross section at the position of the terminal in the terminal arrangement direction of the connector of FIG. 1, in which (A) shows the movable member in the open position before inserting the flat conductor (B 11 shows the movable member in the open position after the flat conductor is inserted, and FIG. 11C shows the movable member in the closed position after the flat conductor is inserted.

  The flat conductor electrical connector 1 according to the present embodiment (hereinafter simply referred to as "connector 1") is disposed on a circuit board (not shown), and a connection portion of the flat conductor F such as FPC is It is a connector inserted toward the front (right side in FIGS. 1 to 3) for electrically connecting the flat conductor F and the circuit board. In FIGS. 1 to 3, the direction in which the flat conductor F is inserted and removed is illustrated as a front-rear direction X, the terminal arrangement direction (connector width direction) as Y, and the height direction as Z.

  The connector 1 has a substantially rectangular parallelepiped outer shape and is made of an electrically insulating material, for example, a synthetic resin housing 10 and a metal arrayed and held at equal intervals in the connector width direction Y as seen in FIG. A plurality of terminals 20, a movable member 30 made of an electrically insulating material, for example, synthetic resin, rotatably supported by the housing 10 and the plurality of terminals 20, and both ends of the housing 10 in the terminal arrangement direction Y A metal plate fixing bracket 40 held by the housing 10 is provided.

  In addition, in the case of the present embodiment, the flat conductor F shown in FIGS. 1 to 3 is a terminal arrangement direction Y (horizontal direction in FIGS. At the positions corresponding to the plurality of terminals 20 in the direction), corresponding circuit portions connected to the terminals 20 are formed on the lower surface.

  As seen in FIGS. 1 and 2, the housing 10 has a bottom wall 11 that covers the entire area of the housing 10 in the front-rear direction X, and a top wall 12 located above the bottom wall 11 and located in the middle region in the front-rear direction. And the terminal arrangement direction Y (in a direction corresponding to the width direction of the flat conductor, right and left direction in FIGS. 1 and 2, and perpendicular to the paper surface in FIG. 3) It has a side wall 13 (not shown in FIG. 2) extending upward in the direction Z. Terminal grooves 14 for holding the terminals 20 are formed in the housing 10 so as to extend in the front-rear direction at regular intervals in the terminal arrangement direction Y of the housing 10. The housing 10 is open at the rear end upward in the terminal arrangement range to form an open space which is notched.

  As shown in FIG. 3, the terminal groove 14 extends in the front-rear direction X along the bottom wall 11 and the top wall 12 of the housing 10 and is formed in a slit shape extending in a direction parallel to the paper surface. ing. In the terminal groove 14, a holding hole 11A-1 is formed in the rear wall 11A formed at the rear end position of the bottom wall 11 so as to penetrate rearward and hold a rear held portion 24A of the terminal 20 described later. ing. Further, the bottom wall 11 is thin at its front end so as to form a holding edge portion 11B so as to hold a hook-like front held portion 24B of a terminal 20 described later. Thus, the terminal groove 14 extends in the front-rear direction X over substantially the entire length of the connector 1 in the front-rear direction. Further, on the upper surface of the rear wall portion 11A, the engagement convex piece F1 of the flat conductor F is engaged at both end positions in the connector width direction to prevent the flat conductor F from coming off behind A protrusion 11C is provided.

  As seen in FIGS. 1 and 2, the side wall 13 is formed such that a slit-like fixing bracket holding groove 13 B for holding the fixing bracket 40 is opened rearward at a position on the rear side of the side wall 13 There is.

  As can be seen in FIG. 3, the rear half of the housing 10 behind the upper wall 12 is open and upwardly open over the terminal arrangement range as described above, since the upper wall 12 is not present. An open space is formed, and the lower portion of the open space constitutes a receiving portion 15 for receiving the flat conductor F from the rear. A flat conductor insertion groove 16 for inserting a connection portion to be a front portion of the flat conductor F between the bottom wall 11 and the top wall 12 in front of the receiving portion 15 is the top wall 12 in the front-rear direction X It is formed extending to an intermediate position of Since the flat conductor insertion groove 16 is formed over the width (dimension in the terminal arrangement direction Y) of the flat conductor F, in FIG. 3, a plurality of terminal grooves in the direction perpendicular to the paper (terminal arrangement direction Y). The terminal groove 14 is divided into two groove portions in the vertical direction Z through the hole 14. On the other hand, at the front of the housing 10, an open space opened upward and forward is formed in the range between both side walls 13 and this open space is movable between the open position and the closed position. A movable member moving space 17 for allowing movement of the member 30 is provided.

   As seen in FIG. 3, the terminals 20 are formed by, for example, punching while maintaining the flat surface of the metal plate, and are arranged in the housing 10 with the direction perpendicular to the plate surface as the terminal arrangement direction Y. . The terminal 20 is inserted in and attached to the terminal groove 14 of the housing 10 facing in the direction (extraction direction) opposite to the insertion direction of the flat conductor, that is, in FIG.

   As shown in FIG. 3, the terminal 20 is located in the lower portion of the terminal groove 14 (in the lower groove portion of the terminal groove 14 which is divided up and down by the flat conductor insertion groove 16). An arm-shaped lower arm portion 21 extending in the front-rear direction X along the bottom wall 11 and an upper portion in the terminal groove 14 (a groove portion positioned on the upper side with respect to the flat conductor F insertion groove) An upper arm 22 extends in the front-rear direction X along the upper wall 12 and a connecting portion 23 connecting the lower arm 21 and the upper arm 22. The connecting portion 23 is formed in an arm shape that connects the lower arm portion 21 and the upper arm portion 22 at an intermediate position in the front-rear direction X, and extends obliquely as described later.

  The lower arm 21 is in contact with the upper surface of the bottom wall 11 of the housing 10 and fixed by the bottom wall 11. The lower arm 21 is flexible and extends from the fixed arm 24 at a position rearward of the connecting portion 23. The front contact arm 25 and the rear contact arm 26 are formed at different positions in the front and rear direction on the two contact arms, and the front contact arm 25 is a connecting part. The front contact portion 25A is provided at the rear end of the rear end of the fixing groove 24 and extends forward from the rear end of the fixed arm 24. The rear contact portion 26A is provided to be accommodated in the lower portion of the terminal groove 14.

  The front contact arm 25 and the rear contact arm 26 are housed in the lower part of the terminal groove 14 as described above, but the front contact 25A and the rear contact 26A have projections facing upward. It is located outside the terminal groove 14 and enters the flat conductor insertion groove 16. In this embodiment, as seen in FIG. 3, the front contact arm 25 and the rear contact arm 26 are provided at substantially the same position, ie, substantially at the same height position in the vertical direction Z. Further, from the rear end of the fixed arm 24, a rear held portion 24A to be held by the holding hole 11A-1 formed in the housing 10 is formed to project rearward, and from the front end There is provided a hook-like front held portion 24B which is bent downward and rearward. Further, the lower end edge of the front held portion 24B forms a connection portion 24B-1 to be soldered to the circuit board.

  The upper arm portion 22 is a pressure arm portion 27 having a pressing portion formed with a pressing portion for pressing the flat conductor F at a position rearward of the connecting portion 23, and a pressure applied upward by the movable member 30 at a position forward of the connecting portion 23. The portion 28A has a pressure-receiving arm portion 28 formed in a concave shape. The connecting portion 23 connecting the lower arm portion 21 and the upper arm portion 22 is inclined and extended rearward from the lower arm portion 21 to the upper arm portion 22.

  The pressing arm 27 of the upper arm 22 is formed by an upper pressing arm 27A and a lower pressing arm 27B extending parallel to the rear in the front-rear direction X from the position of the connecting portion 23, the upper pressing arm 27A being lower Longer than the pressing arm 27B, a rear pressing portion 27A-1 is provided at the rear end of the upper pressing arm 27A and a front pressing portion 27B-1 is provided at the rear end of the lower pressing arm 27B.

  The pressing arm 27 of the upper arm 22 is in the same position as the rear contact 26A in which the rear pressing part 27A-1 of the upper pressing arm 27A is formed on the rear contacting arm 26 of the lower arm 21 in the front-rear direction X The front pressing portion 27B-1 of the lower pressing arm 27B is at the same position as the front contacting portion 25A of the front contact arm 25 of the lower arm 21.

  The movable member 30 functions as a pressing means for pressing the flat conductor F downward toward the front contact portion 25A and the rear contact portion 26A of the terminal 20. The movable member 30 is, as shown in FIGS. 3A and 3B, an open position which enables insertion of the flat conductor F in a posture extending in the vertical direction, as shown in FIG. 3C. In a posture extending in the front-rear direction, it is possible to turn between a closed position where the contact pressure of the flat conductor F against the front contact portion 25A and the rear contact portion 26A of the terminal 20 is increased.

  The movable member 30 is formed with a width extending in the terminal arrangement direction Y in the terminal arrangement direction Y, as can be seen in FIGS. 1 and 2. The movable member 30 is located at a position corresponding to the terminal 20 in the terminal arrangement direction Y, as shown in FIG. 1 (A), FIG. 2, FIG. 3 (A), (B) and (C). A slit-shaped groove 31 having a groove width slightly wider than the thickness of the terminal 20 is formed in the lower half substantially at the open position. Therefore, as can be seen well in FIG. 1, the substantially lower half of the movable member 30 has a comb shape in the terminal arrangement range when viewed in the front-rear direction X. As shown in FIGS. 3 (A) and 3 (B), the groove 31 allows the pressure receiving arm 28 of the terminal 20 to enter from the front.

  As shown in FIGS. 3A and 3B, the groove portion 31 is provided with a cam portion 32 in the shape of an island at a position near the lower end portion of the movable member 30 when in the open position. The opposing wall surfaces of the groove portion 31 are connected by the cam portion 32. The cam portion 32 has a shaft portion 32A having a circular cross-sectional shape and an arm-like supported portion 32B.

  Further, the movable member 30 is formed with end shaft portions (not shown) projecting from both end surfaces extending at right angles to the terminal arrangement direction Y, and the housing 10 enables rotation and movement in the vertical direction Z It is supported. The end shaft portion is formed coaxially with the shaft portion 32A.

  Further, as seen in FIG. 3B, the supported portion 32B of the movable member 30 in the closed position is supported by the upper edge of the lower arm 21 of the terminal 20 so as to receive an upward force. There is.

  The fixing bracket 40 is formed by punching a metal plate, and as seen in FIG. 1, to the slit-like fixing bracket holding groove 13B of the housing 10 in a posture in which the plate surface is perpendicular to the terminal arrangement direction. It is attached from the rear. The connector 1 is fixed on the circuit board by soldering the lower edge portion of the fixing bracket 40 to the circuit board.

  The connector 1 of such a configuration is assembled as follows.

  First, the terminal 20 is attached to the terminal groove 14 of the housing 10 by pressing it in the left direction from the front to the rear, that is, from the right to the left in the front-rear direction X in FIG. As a result, as shown in FIG. 3A, in the terminal 20, the rear held portion 24A of the lower arm portion 21 is press-fitted into the holding hole portion 11A-1 formed in the bottom wall 11 of the housing 10. Furthermore, the front holding portion 24B of the lower arm 21 is held by the holding edge 11B at the front end of the bottom wall 11 of the housing 10, whereby the terminal groove 14 is held.

  After the terminal 20 is thus incorporated into the housing 10, the end shaft portion of the movable member 30 is accommodated in the end shaft accommodation portion of the housing 10 while maintaining the movable member 30 in the open position and the vertical posture. The movable member 30 is disposed in the movable member moving space 17. By this arrangement, the movable member 30 is brought to a position where the lower end of the movable member 30 abuts on the upper edge of the lower arm 21 of the terminal 20 as shown in FIGS. 3A and 3B by its own weight. Be When the movable member 30 is assembled, the shaft 32A of the cam 32 of the movable member 30 abuts on the front end of the pressure receiving arm 28 of the terminal 20, but the pressure receiving arm 28 can be elastically bent. To allow the assembly of the movable member 30.

  Next, the fixing fitting 40 is press-fit and attached to the fixing fitting holding groove 13B of the housing 10 from the rear, and the assembly of the connector 1 is completed.

  Hereinafter, the connection operation between the connector 1 and the flat conductor F will be described with reference to FIG. First, as shown in FIG. 3A, the movable member 30 is brought to the open position in the vertical posture. Next, the flat conductor F is inserted from the rear to the front (from left to right in FIG. 3A) into the receiving portion 15 of the housing 10. As shown in FIG. 3B, the flat conductor F is inserted to a normal position where the front end face of the flat conductor F abuts on the wall surface of the deep portion of the flat conductor insertion groove 16. In the present embodiment, the flat conductor F can be easily inserted under zero insertion force or low insertion force by positioning the movable member 30 in the open position.

  Next, the movable member 30 in the open position is pivoted to the closed position shown in FIG. In the closed position, the movable member 30 receives the reaction force from the lower arm portion 21 upward by the supported portion 32B of the movable member 30 being in a vertically long posture and coming into contact with and pressing the upper edge of the lower arm portion 21 of the terminal 20. The unit 32 moves upward. By this upward movement, the cam portion 32 elastically displaces the pressure receiving arm 28 so as to bend the pressure receiving arm 28 upward in the pressure receiving portion 28A of the pressure receiving arm 28 of the upper arm 22 of the terminal 20. . When the pressure receiving arm portion 28 is elastically displaced upward, the pressing arm portion 27 in front of the connection portion 23 is elastically displaced downward with the upper end position of the connection portion 23 as a fulcrum. That is, the upper pressing arm 27A and the lower pressing arm 27B are both bent downward and elastically displaced, and the rear pressing portion 27A-1 and the front pressing portion 27B-1 are flat conductor F and the front contact portion 25A of the terminal 20 and the rear It presses downward toward the contact portion 26A. Therefore, as seen in FIG. 3C, the front contact portion 25A and the rear contact portion 26A are pressed downward by the flat conductor F and displaced, and as a result, the front contact portion 25A and the rear contact portion 26A are formed on the lower surface of the flat conductor F. The contact pressure between the corresponding circuit portion and the front contact portion 25A and the rear contact portion 26A is increased. As described above, by bringing the movable member 30 into the closed position, the connection between the connector 1 and the flat conductor F is completed.

  In the present embodiment, since the front contact portion 25A and the rear contact portion 26A are positioned at an interval close to each other in the front-rear direction X, the contact pressure with the flat conductor F at the front contact portion 25A and the rear contact portion 26A. Can be made substantially equal, and contact reliability can be improved, and since the terminal 20 presses the flat conductor F in the range of the above-mentioned interval in the front-back direction X, the pressing range is expanded by the above-mentioned interval The contact between the flat conductor F and the terminal 20 is stabilized.

  As described above, in the present embodiment, the connecting portion 23 connecting the lower arm portion 21 and the upper arm portion 22 of the terminal 20 extends so as to incline rearward from the lower arm portion 21 toward the upper arm portion 22. Therefore, at least one of the pressing arm 27 of the lower arm 21 and the pressure-receiving arm 28 of the upper arm 22 can increase the arm length, and both are easily elastically deformed. As a result, in any of the case of the pressing arm 27 and the case of the pressure receiving arm 28, the operation of the movable member 30 is facilitated. That is, when the arm length of the pressing arm 27 increases, the pressing arm 27 easily bends, the reaction force to the pressing portions 29A-1 and 29B-1 via the flat conductor decreases, and the operation of the movable member 30 is performed. When the arm length of the pressure receiving arm 28 increases, the moment around the connecting portion 23 with respect to the pressing arm 28 based on the operation force from the movable member at the pressure receiving portion 28A increases, and a large pressing force is generated. If the pressing force is small, it means that the operating force is small and thus the operation of the movable member 30 is facilitated. Furthermore, with regard to the pressure arm 27 of the upper arm 22, the elastic deformation of the pressure arm 27 is promoted because the connecting portion is inclined as described above.

  The invention is not limited to the form shown and described, but various modifications are possible. For example, it is necessary that the front contact arm 25 and the rear contact arm 26 extending from the lower arm 21 shown in FIG. 3A at two different positions in the front-rear direction extend in mutually opposing directions. Alternatively, they may extend in the same direction.

  Further, as shown in FIG. 3A, the pressing arm 27 of the upper arm 22 is formed as one arm even if it is not two arms as the upper pressing arm 27A and the lower pressing arm 27B parallel to each other. You may

Reference Signs List 1 connector 24 fixed arm 10 housing 25 front contact arm 11 bottom wall 25A front contact 12 upper wall 26 rear contact 13 reception 26A rear contact 20 terminal 27 pressing arm 21 lower arm 27A-1, 27B- DESCRIPTION OF SYMBOLS 1 Press part 22 Upper arm part 28 Pressured arm part 23 Connection part F Flat type conductor

Claims (4)

A housing formed with a receiving portion for receiving a connecting portion formed in the front end area of the flat conductor opened rearward between the bottom wall and the top wall, and a flat metal plate, which has a flat surface A lower arm having a plurality of terminals arranged and held by the housing in a perpendicular direction, the terminals being located on the bottom wall side of the housing and extending longitudinally along the bottom wall, and located on the upper wall side of the housing An upper arm extending in the front-rear direction along the upper wall, and a connecting portion connecting the lower arm and the upper arm at an intermediate position in the front-rear direction, the lower arm being a flat conductor connection A pressing portion which has a contact portion for coming into contact with the portion and which displaces the upper arm portion so as to press the flat conductor toward the lower arm portion at a position rearward of the connecting portion and Directing upward relative to the upper arm in front of the connection to provide a downward displacement In flat conductor electrical connector engages the movable member to bring the displacement has a pressed portion to be assay upward,
The lower arm has a fixed arm fixedly held by the bottom wall in contact with the upper surface of the bottom wall, and two flexible contact arms extending from the fixed arm at a position rearward of the connecting portion. The two contact arms are provided with front contact arms and rear contact arms at different positions in the front and rear direction, the front contact arms being provided with the front contact parts, and the rear contact arms being provided with the rear contact parts,
The upper arm portion is directed upward by the movable arm at a position forward of the connecting portion and a pressing arm portion formed with a pressing portion for pressing the flat conductor against the front contact portion and the rear contact portion at a position rearward of the connecting portion. A pressure-receiving arm portion formed with a pressure-receiving portion to be pressed;
The flat connector electrical connector according to claim 1, wherein the connecting portion connecting the lower arm portion and the upper arm portion is inclined rearward from the lower arm portion toward the upper arm portion.   The front abutment arm and the rear contact arm extend in the longitudinal direction from different positions toward each other, the front contact arm is provided at the rear end of the front contact arm, and the rear contact arm is provided at the front end of the rear contact arm The flat conductor electrical connector according to claim 1.   The pressing arm of the upper arm is formed of an upper pressing arm and a lower pressing arm extending parallel to the rear from the position of the connecting portion, the upper pressing arm being longer than the lower pressing arm, the upper pressing arm 3. A flat conductor electrical connector according to claim 1, wherein a rear pressing portion is provided at the rear end of the portion and a front pressing portion is provided at the rear end of the lower pressing arm.   The pressing arm of the upper arm is in the same position as the rear contacting portion formed on the rear contacting arm of the lower arm in the front and rear direction, and the front pressing portion of the lower pressing arm is The flat conductor electrical connector according to any one of claims 1 to 3, which is at the same position as the front contact portion of the front contact arm portion of the lower arm portion.

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