JP6717643B2 - connector - Google Patents

Description

The present invention relates to a connector including a lock member that fixes a flat conductor that is an object to be connected.

2. Description of the Related Art As a connector mounted on a board, one provided with a lock member for fixing the flat conductor to a housing in order to maintain a conductive connection with the flat conductor is known. Such a lock member is attached to the housing, and has a locking portion that locks with the flat conductor inserted in the fitting chamber, and an operation portion that disengages the locking portion from the flat conductor. By having a lock member, it can be locked simply by inserting the flat conductor into the connector, and the flat conductor can be removed from the connector by releasing the lock by a simple operation such as pressing the operating part. it can.

As such a connector, a connector provided with a lock member having an elastically deformable elastic piece has been proposed (for example, refer to Patent Document 1). The elastic piece can elastically displace the operating part and the locking part with respect to the flat conductor, and the locking part can be locked to the flat conductor by the restoring force when elastically deformed.

JP, 2014-022214, A

By the way, in recent years, electronic devices have been miniaturized in various fields such as smartphones and in-vehicle electronic devices, and miniaturization of connectors mounted in such devices has been required. However, since the elastic piece portion of the connector as described above is provided along the insertion direction of the locking portion and the flat conductor, it is difficult to miniaturize the connector in the insertion direction of the flat conductor. Therefore, there is a problem that there is a limit in meeting the recent demand for miniaturization of the connector.

The present invention has been made against the background of the above conventional techniques. The purpose is to provide a small connector in the insertion direction of the flat conductor.

In order to achieve the above object, the present invention is configured as follows.

That is, according to the present invention, a housing having a flat conductor insertion port, a plurality of terminals that are in conductive contact with the flat conductor inside the housing and are connected to a substrate, and a pivotally supported shaft that is rotatable with respect to the housing. And a locking portion for locking the flat conductor by locking the locking edge of the flat conductor to prevent the flat conductor from coming off from the housing, and the locking portion being locked by the locking portion. With respect to a connector including a lock member having an operation portion that is detached from an edge, the lock member has a spring piece portion that biases the locking portion in a direction that locks the flat conductor, The connector is characterized in that the locking portion and the spring piece portion extend from the operation portion and are arranged in parallel along an arrangement direction of the plurality of terminals.

By having such a spring piece portion, the flat conductor can be reliably locked by the lock member. Also, by arranging the spring piece portion and the locking portion in parallel along the arrangement direction of the terminals, compared to the case where they are arranged along the extension direction of the terminals, the entire connector is flat conductor. Can be shortened in the insertion direction.

The spring piece portion of the present invention may be arranged between the wall body forming the housing and the operation portion in the height direction.

By arranging so that the spring piece part is sandwiched by the wall body and the operating part that form the housing, the repulsive force generated when the contracted spring piece part tries to restore is strongly applied to the wall body and the restoring force of the spring piece part. Can be operated directly on the operation unit. Therefore, the flat conductor can be reliably locked.

In the present invention, the lock member may be made of an insulating resin, and the operating portion, the locking portion, and the spring piece portion may be formed as an integral molded body.

The lock member for fixing the flat conductor to the housing is generally made of a metal material. The lock member made of such a metal material has the advantages that it has high heat resistance and durability and exhibits a strong spring property. However, there are problems that the material cost is relatively high and that it is difficult to easily manufacture variations with different shapes and sizes because a processing procedure such as punching and then bending a metal plate is required. In addition, such a connector may be mounted on the board by reflow soldering.However, since the coefficient of thermal expansion of metal is very small compared to the resin material generally used for housings, the thermal expansion during reflow soldering When the pressure is applied, a large difference may occur in the expansion rate between the lock member and the housing. There is a possibility that the lock member may be separated from the housing or may not rotate as expected with respect to the housing.

On the other hand, in the present invention, by forming the lock member with the insulating resin, the lock member can be made inexpensive as compared with the case of providing the lock member with metal, for example. Further, by using the resin material, it is possible to easily manufacture lock members having different lengths and shapes. Therefore, it is possible to easily manufacture a variation of the connector having a different number of terminals. Furthermore, by forming the lock member with a resin material, thermal expansion can be performed at a rate closer to that of the housing as compared with the lock member made of metal. Therefore, for example, when the connector of the present invention is mounted on the substrate by reflow soldering and the connector receives heat, the lock member and the housing can expand at the same rate. As a result, it is possible to prevent the lock member from being separated from the housing and being prevented from rotating with respect to the housing as described above. In addition, since the operating portion, the locking portion, and the spring piece of such a lock member are formed as an integral molded body, the flat conductors are separated from each other even if they are repeatedly used. It can be a difficult lock member.

The housing of the present invention may be made of the same resin material as the resin material used for the lock member.

Since the resin material has a unique thermal expansion coefficient for each type, if the housing and the lock member are made of different types of resin materials, a large difference may occur in the expansion rate when receiving heat. Therefore, by forming the housing and the lock member with the same type of insulating resin, they can be expanded more reliably at the same rate. Therefore, it is possible to make it difficult to separate the lock member from the housing and to easily rotate the lock member sufficiently.

According to the present invention, it is possible to provide a small-sized connector in the insertion/removal direction of a flat conductor while including a lock member that allows easy insertion/removal of the flat conductor.

FIG. 3 is a perspective view showing a front surface, a plane surface, and a right side surface of the connector of the embodiment. FIG. 3 is a perspective view showing a back surface, a plane surface, and a left side surface of the connector of FIG. 1. The top view of the connector of FIG. The bottom view of the connector of FIG. The front view of the connector of FIG. The rear view of the connector of FIG. The right view of the connector of FIG. FIG. 3 is a perspective view showing a front surface, a plane surface, and a right side surface of the lock member of FIG. 1. FIG. 9 is a perspective view showing a front surface, a bottom surface, and a right side surface of the lock member of FIG. 8. Explanatory drawing which shows the state in which the lock member is displaced upwards by inserting the flat conductor into the connector of FIG. Explanatory drawing which shows the state which the insertion of the flat conductor into the connector of FIG. 10 was completed. FIG. 3 is an explanatory cross-sectional view showing a state before the flat conductor inserted in the connector of FIG. 1 comes into contact with the locking portion of the lock member. 12 is an explanatory cross-sectional view showing a state in which the flat conductor is in contact with the locking portion of the lock member and pushed up. FIG. 13 is an explanatory cross-sectional view showing a state where fitting of the flat conductor of FIG. 12 to a connector is completed. FIG. 15 is a sectional view taken along line SA-SA in FIG. 14. FIG. 14 is an explanatory cross-sectional view showing a state in which the spring piece portion is elastically deformed and the pressing portion presses the pressed portion of the housing in the state of FIG. 13. FIG. 15 is an explanatory cross-sectional view showing a state where fitting of the flat conductor is completed in the state of FIG. 14. FIG. 17 is an explanatory cross-sectional view showing a state before the terminal comes into conductive contact with the flat conductor in the state of FIG. 16. FIG. 18 is an explanatory cross-sectional view showing a state where the terminal is in conductive contact with the flat conductor in the state of FIG. 17.

Hereinafter, an embodiment of a connector of the present invention will be described with reference to the drawings.

In the present specification, claims, and drawings, the width direction along the arrangement direction of the terminals 4 of the connector 1 is the X direction, the front-back direction along the insertion/extraction direction of the flat conductor 2 is the Y direction, and the height direction is the Z direction. To do. The plane side in the height direction Z is "upper side" and the bottom side is "lower side". Further, in the front-rear direction Y, the front side in the insertion direction of the flat conductor 2 is “front”, and the back side in the insertion direction is “rear”. The specification of the top, bottom, front, and rear does not limit the mounting direction and the using direction of the connector of the present invention. The left side view of the connector 1 is shown as symmetrical to the right side view, and thus the description thereof is omitted.

Embodiment [FIGS. 1 to 19]:
The connector 1 is mounted on the substrate P and electrically connects the substrate pattern of the substrate P and the flat conductor 2 to each other. In the connector 1 of this embodiment, the flat conductor 2 is placed flat on the substrate P, and the flat conductor 2 is inserted along the surface of the substrate P. As shown in FIGS. 1 to 7, the connector 1 includes a housing 3, a plurality of terminals 4, and a lock member 5.

In the present embodiment, the flat conductor 2 such as FFC (Flexible Flat Cable) or FPC (Flexible Printed Circuits) will be described as an example of the “flat conductor”. As shown in FIG. 15, the flat conductor 2 has one lock notch 2a at each end in the width direction X. The notch 2a has an inner edge 2a1 as a "locking edge", and a later-described locking portion 5c2 is locked to the inner edge 2a1.

〔housing〕
The housing 3 is a molded body of insulating resin, and is formed in a substantially rectangular parallelepiped shape. As shown in FIGS. 1 to 7, the housing 3 has a top wall portion 3a, a bottom wall portion 3b, a side wall portion 3c, and a back wall portion 3d. The housing 3 is formed by an insertion opening 3f into which the flat conductor is inserted, a communication with the insertion opening 3f, and a top wall portion 3a, a bottom wall portion 3b, two side wall portions 3c, and a back wall portion 3d. The contact portion 4c of the terminal 4 and the fitting chamber 3e in which the flat conductor 2 comes into conductive contact with each other.

The top wall portion 3a has an XY plane. One slit 3a2 is provided on each of the upper surfaces 3a1 of the top wall portion 3a on both sides in the width direction X. The slit 3a2 is formed as a notch along the front-rear direction Y and communicates with the fitting chamber 3e. The upper end side of the lock portion 5c of the lock member 5 described later is accommodated in the slit 3a2. In this way, by providing the slit 3a2 for accommodating the upper end side of the lock portion 5c in the ceiling wall portion 3a, for example, as compared with the case where an accommodation space of a size capable of accommodating the entire lock portion 5c is provided inside the housing 3. The connector 1 can be reduced in height as a whole.

The bottom wall portion 3b is arranged to face the top wall portion 3a. The bottom wall portion 3b faces the surface of the board P in a state where the connector 1 is mounted on the board P.

One side wall part 3c is arranged on each side of the connector 1 in the width direction X, and is connected to the top wall part 3a and the bottom wall part 3b. The side wall portion 3c has a support portion 3c1 and a storage chamber 3c2.

The support portion 3c1 is provided so as to project along the width direction X, and is inserted into a mounting hole 5a1 of the lock member 5 described later.

One accommodation chamber 3c2 is formed in each side wall portion 3c, and is arranged closer to the center side in the width direction X than the support portion 3c1. A pressed portion 3c3 that is pressed by the pressing portion 5d1 of the spring piece portion 5d is formed as a "wall body" on the lower side of the inner edge of the accommodation chamber 3c2.

A fixing member 3c4 is fixed to the side wall portion 3c. The fixing member 3c4 is made of a bent metal plate, and the housing 3 is fixed to the substrate P by being soldered to the substrate P.

The back wall portion 3d is arranged on the rear side of the housing 3. A plurality of fixing holes (not shown) into which the terminals 4 are inserted and fixed are arranged in the back wall portion 3d in parallel along the width direction X.

The insertion port 3f is arranged at the front end of the housing 3 and communicates with the fitting chamber 3e. The flat conductor 2 inserted from the insertion port 3f comes into conductive contact with the terminal 4 inside the fitting chamber 3e.

[Terminal]
The terminal 4 is formed by punching out a conductive metal plate. As shown in FIGS. 18 and 19, this terminal 4 has a board connecting portion 4a, a fixing portion 4b, and a contact portion 4c in this order from one end side. The board connecting portion 4a is soldered and fixed to the board P. The fixing portion 4b is provided so as to be connected to the board connecting portion 4a, and is fixed by being press-fitted into a fixing hole (not shown) provided in the back wall portion 3d of the housing 3. The contact portion 4c is provided so as to be connected to the fixed portion 4b, and the contact portion 4c1 of the contact portion 4c projects into the fitting chamber 3e from a slit (not shown) provided in the inner wall of the fitting chamber 3e.

[Lock member]
The lock member 5 locks the flat conductor 2 so as not to come off from the connector 1, and improves the connection reliability of the flat conductor 2. The lock member 5 has an operating portion 5a, a first connecting portion 5b, a lock portion 5c, a second connecting portion 5f, a spring piece portion 5d, and a housing fixing portion 5e.

The operation portion 5a is a plate-shaped portion having an XY plane, and is formed one at each end of the connector 1 in the width direction X. Moreover, these two operation parts 5a are connected by the 1st connection part 5b. The operator can press the operation portion 5a along the height direction Z or press the first connecting portion 5b. As a result, by pushing one first connecting portion 5b, the locking operation of the two lock portions 5c with respect to the flat conductor 2 can be released.

The lock portion 5c has a plate shape that protrudes forward from the operation portion 5a. Particularly, the lock portion 5c of the present embodiment has a plate surface along the YZ plane. A locking portion 5c2 is provided on the front side of the lock portion 5c so as to project downward. A recess 5c1 is formed on the rear side of the locking portion 5c2, and a locking edge 5c3 along the height direction Z is formed at the rear end of the locking portion 5c2 and on the inner edge of the recess 5c1. The engagement edge 5c3 engages with the inner edge 2a1 of the flat conductor 2 inserted into the fitting chamber 3e of the housing 3. Since each lock portion 5c has one such locking edge 5c3, the locking member has two locking edges 5c3 as a whole. When the lock member 5 rotates about the rotation axis A, the locking portion 5c2 is displaced in the vertical direction. On the rear end side of the lower end of the lock portion 5c, an inclined portion 5c6 is formed to prevent contact with the substrate P when the lock portion 5c rotates. Therefore, the lock member 5 can be sufficiently rotated without separating the lock member 5 itself from the substrate P.

By providing the lock portion 5c in a plate shape, as compared with the case where the lock portion 5c is provided in a rod shape, the lock portion is less likely to be deformed or damaged even if the flat conductor 2 is repeatedly locked. It can be 5c.

The second connecting portion 5f connects the two lock portions 5c to each other, and is arranged in front of the first connecting portion 5b. By providing such a second connecting portion 5f, it is possible to increase the strength of the plate-like lock portion 5c against a load in the width direction X.

The spring piece portion 5d has a substantially U-shape that extends forward from the operation portion 5a and further bends downward. A pressing portion 5d1 for pressing the pressed portion 3c3 of the housing 3 is formed on the tip side of the spring piece portion 5d. The pressing portion 5d1 is formed right below the operating portion 5a, and when the operating portion 5a is pressed downward or stopped, the spring piece portion 5d is elastically deformed in the height direction Z. By thus forming the pressing portion 5d1 directly below the operation portion 5a, the restoring force of the elastically deformed spring piece portion 5d can be operated as compared with the case where the pressing portion 5d1 is arranged at a position distant from the operation portion 5a. It is possible to make the portion 5a work stronger. Therefore, the engagement state of the engagement portion 5c2 with respect to the inner edge 2a1 of the cutout portion 2a of the flat conductor 2 can be more reliably maintained.

By forming the spring piece portion 5d as a part of the lock member integrally with the operation portion 5a and the lock portion 5c, the number of parts of the connector 1 can be reduced. Further, by arranging the lock portion 5c and the spring piece portion 5d along the width direction X, it is possible to reduce the size in the front-rear direction Y as compared with the case where the locking portion 5c2 is provided on the spring piece portion 5d, for example. You can

The housing fixing portions 5e are connected to the operation portion 5a and provided one at each end of the lock member 5 in the width direction X. Further, the housing fixing portion 5e has a YZ plane, and a mounting hole 5e1 which is a through hole is formed substantially at the center thereof. The support portion 3c1 provided on the side wall portion 3c of the housing 3 is inserted into the mounting hole 5e1. In this way, the lock member 5 is axially supported with respect to the housing 3. The housing fixing portion 5e rotates about the axis connecting the two supporting portions 3c1 arranged at both ends in the width direction X of the connector 1 as the rotation axis A, with the supporting portion 3c1 inserted in the mounting hole 5e1. be able to. An inclined portion 5e2 is formed on the rear end side of the lower end of the housing fixing portion 5e in order to prevent contact with the substrate P when the lock member 5 rotates. Therefore, the lock member 5 can be sufficiently rotated without separating the lock member 5 itself from the substrate P.

Since the lock member 5 described above is made of a molded body of an insulating resin as shown in FIGS. 8 and 9, it is cheaper and easier to manufacture than a case of being made of a metal material, for example. Further, by forming the lock member 5 with a resin material, the lock member 5 having different sizes and shapes can be easily manufactured by slightly modifying the mold. Therefore, it is possible to easily manufacture variations of the lock member 5 having different sizes and shapes according to the size of the housing 3. Therefore, it is possible to provide the connector 1 in which the number of poles can be easily expanded.

In addition, a general resin has a larger coefficient of thermal expansion than a metal, and has a property of being more easily thermally expanded. Therefore, if a connector in which a lock member made of a metal material is attached to the housing 3 made of a resin material is mounted on the substrate P by reflow soldering, the housing 3 may be thermally expanded more than the lock member by being exposed to high temperature. There is. Since it is difficult to accurately predict such a difference in the thermal expansion rate in advance and design the lock member and the housing 3, they are unexpectedly expanded by the heat received during the reflow soldering, and the lock member is separated from the housing 3. Or it may be difficult to rotate with respect to the housing 3 as expected.

On the other hand, since the lock member 5 of this embodiment is made of an insulating resin, it has a larger thermal expansion coefficient than a lock member made of metal. Therefore, at the time of reflow soldering, the housing 3 and the lock member 5 can be thermally expanded at a rate close to each other. Such an effect can be easily obtained by forming the housing 3 and the lock member 5 from a resin material having a closer thermal expansion coefficient as a raw material. Particularly, the housing 3 and the lock member 5 are provided with the same kind of resin material. Thus, they can be thermally expanded at a similar rate.

The case where the housing 3 and the lock member 5 are formed of the same kind of resin material will be specifically described. In this embodiment, 9T nylon, liquid crystal polymer (LCP), or the like is used to withstand the heat received during reflow soldering. Heat resistant resin can be exemplified as the material of the housing 3 and the lock member 5. In this case, for example, when the housing 3 is made of 9T nylon, the lock member 5 is also made of 9T nylon, and when the housing 3 is made of liquid crystal polymer, the lock member 5 is also made of liquid crystal polymer. To form. By thus forming the lock member 5 and the housing 3 by using the same kind of resin material as the raw material, the housing 3 and the lock member 5 can be thermally expanded at the same ratio as described above. Therefore, it is possible to further prevent the situation in which the lock member 5 is separated from the housing 3 and is difficult to rotate with respect to the housing 3 as expected.

[Explanation of insertion method of flat conductor]
In the front-rear direction Y, the locking portion 5c2 is arranged on the front side of the support portion 3c1, and the operation portion 5a is arranged on the rear side. Therefore, as shown in FIGS. 10 to 14, the lock member 5 rotates like a seesaw around the rotation axis A connecting the left and right support portions 3c1. That is, with the operating portion 5a provided on the rear side in the front-rear direction Y being positioned above the support portion 3c1, the locking portion 5c2 provided on the front side in the front-rear direction Y with respect to the support portion 3c1 is located on the lower side. Located in. On the contrary, the locking portion 5c2 is located on the upper side in a state where the operation section 5a is located on the lower side.

When the flat conductor 2 is inserted into the fitting chamber 3e while the engaging portion 5c2 is in the fitting chamber 3e, the tip portion 2b of the flat conductor 2 comes into contact with the engaging portion 5c2 (see FIG. 13). The locking portion 5c2 has a guide edge 5c4 on the front side, and the tip portion 2b of the flat conductor 2 slides on the guide edge 5c4 while lifting the lock portion 5c upward. At that time, the tip portion 5c5 of the lock portion 5c projects upward from the slit 3a2 provided in the top wall portion 3a of the housing 3. Further, the spring piece portion 5d is elastically deformed so as to compress downward in the height direction Z, and the operating portion 5a is in a state in which the upward restoring force is strongly applied. On the contrary, since the downward force is strongly applied to the locking portion 5c2, the flat conductor 2 is pressed downward by the locking portion 5c2. In this state, the flat conductor 2 passes below the locking portion 5c2 toward the rear side.

When the flat conductor 2 is inserted into the interior of the fitting chamber 3e and the notch 2a reaches directly below the locking portion 5c2, the locking member 5 is rotated by the restoring force of the spring piece 5d and locked. The portion 5c2 is displaced downward from the upper side of the flat conductor 2 into the cutout portion 2a (see FIG. 14). At that time, the operator can obtain a click feeling at hand, and thus can confirm that the fitting work of the flat conductor 2 is completed. Further, the tip portion 5c5 of the lock portion 5c protruding upward from the slit 3a2 provided on the top wall portion 3a of the housing 3 is lowered to be accommodated inside the slit 3a2 (FIGS. 12 to 14). With such a configuration, it is possible to visually confirm that the engaging portion 5c2 of the lock portion 5c is inserted and locked in the notch portion 2a of the flat conductor 2 and the fitting work is completed. Therefore, it is possible to suppress the occurrence of a situation in which the half-fitting is used and a conduction failure occurs.

When the flat conductor 2 is pulled out from the fitting chamber 3e in this state, the locking edge 5c3 of the locking portion 5c2 is locked to the inner edge 2a1 of the flat conductor 2. Even when the fitting operation is completed, the spring piece portion 5d exerts a strong force to lift the operation portion 5a upward, so that the locking portion 5c2 is biased downward (FIGS. 16 and 17). Therefore, the locking portion 5c2 is strongly locked to the flat conductor 2, and the flat conductor 2 can be reliably prevented from coming off from the housing 3.

[Explanation of removal method of flat conductor]
When removing the flat conductor 2 from the housing 3, the operation portion 5a is pressed downward. As a result, the lock member 5 rotates about the rotation axis A, and the locking portion 5c2 is displaced upward, opposite to the operation portion 5a. In this way, the flat conductor 2 is separated from the notch 2a and the engagement with the flat conductor 2 is released. In this state, the spring piece portion 5d is pressed downward and elastically deformed so as to be compressed (see FIGS. 13 and 16).

The flat conductor 2 is pulled out from the fitting chamber 3e of the connector 1 in a state where the locking is released. After that, when the pressing of the operating portion 5a is stopped, the operating portion 5a is lifted upward by the spring piece portion 5d. At the same time, the lock portion 5c moves downward, and the locking portion 5c2 returns to the position inside the fitting chamber 3e. Such rotation of the lock portion 5c is performed only by the spring piece portion 5d without being operated by the operator.

As described above, according to the present embodiment, the lock portion 5c and the spring piece portion 5d are arranged along the width direction X, so that the front and rear directions are compared with the case where they are arranged along the front and rear direction Y. Y can be miniaturized. Therefore, the connector 1 that can meet the demand for downsizing of electronic devices can be provided.

Modification:
In the above-described embodiment, the example in which the lock member includes two spring piece portions 5d, one on each side of the housing 3 in the width direction X, is provided. On the other hand, the lock member may be provided with only one spring piece portion 5d, and the spring piece portion 5d can be arranged at the center in the width direction X, for example. With such a configuration, the resin material used as the lock member can be reduced as compared with the case where a plurality of spring piece portions 5d are provided. Moreover, the connector 1 having a simpler structure can be provided.

In the above-described embodiment, the pressed portions 3c3 of the side wall portions 3c arranged on both end sides in the width direction X of the housing 3 have been shown as "wall bodies" to be pressed by the spring piece portions 5d. On the other hand, if the restoring force can directly act on the operation portion 5a by receiving the repulsive force of the contracted spring piece portion 5d, another configuration of the housing 3 such as the bottom wall portion 3b of the housing 3 is provided. But good.

In the above embodiment, the example in which the lock member integrally includes the spring piece portion 5d has been shown. On the other hand, the housing 3 may have the spring piece portion integrally. By doing so, the structure of the lock member can be made simpler.

As described above, in the connector 1 of the present embodiment, the housing 3 has the projecting support portion 3c1 and the lock member 5 has the mounting hole 5e1 that is a through hole. However, the lock member 5 is not limited to the above as long as the lock member 5 is supported by the housing 3. That is, the housing 3 may have such mounting holes, and the locking member 5 may have a protruding shape for mounting.

1 connector (first embodiment)
2 flat conductor 2a notch 2a1 inner edge 2b tip 3 housing 3a top wall 3a1 upper surface 3a2 slit 3b bottom wall 3c side wall 3c1 support 3c2 accommodating chamber 3c3 pressed part 3c4 fixing member 3d back wall 3e Chamber 3f Insertion port 4 Terminal 4a Board connection part 4b Fixed part 4c Contact part 4c1 Contact part 5 Lock member 5a Operation part 5b First connection part 5c Lock part 5c1 Recess 5c2 Lock part 5c3 Lock edge 5c4 Guide edge 5c5 Tip part 5c6 inclined portion 5d spring piece portion 5d1 pressing portion 5e housing fixing portion 5e1 mounting hole 5e2 inclined portion 5f second connecting portion P substrate

Claims (5)

A housing having a flat conductor insertion port,
A plurality of terminals that are in conductive contact with the flat conductor inside the housing and are connected to the substrate;
A locking portion that is rotatably supported by a rotary shaft with respect to the housing, and locks by locking to a locking edge of the flat conductor to prevent the flat conductor from coming off from the housing. And a lock member having an operation part in which the locking part is released from the locking edge by being pressed,
The lock member has a rod-shaped and U-shaped spring piece portion,
The spring piece portion has a pressing portion that comes into contact with the housing on the inner side in the insertion direction of the flat conductor with respect to the rotating shaft, and the locking member is caused by a reaction force of the pressing portion pressing the housing. Is biased in a direction in which the locking portion is locked to the flat conductor by rotating around the rotation axis,
The connector, wherein the locking portion and the spring piece portion extend from the operation portion and are arranged in parallel along an arrangement direction of the plurality of terminals. The connector according to claim 1, wherein the spring piece portion is arranged between a wall body forming the housing and the operation portion in a height direction. The connector according to claim 1 or 2, wherein the lock member is made of an insulating resin, and the operation portion, the locking portion, and the spring piece portion are integrally formed. The connector according to claim 3, wherein the housing is made of the same resin material as the resin material used for the lock member. The spring piece extends in the removal direction of the flat conductor to a region overlapping with the fitting chamber of the housing where the flat conductor and the plurality of terminals are in conductive contact with each other in the arrangement direction. Item 4. The connector according to any one of items 4.

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