JP5700889B6 - connector - Google Patents

Abstract

The present invention is capable of reliably pressing an FPC 40 or FFC against a contact portion 22 of a contact 14 with a slider 16 without impairing the strength, specifications, etc. of each part, improving workability, and narrowing the pitch. It is intended to provide a connector that can be lowered or lowered.
The lowering of the height of the object is to provide an elastic part and a fulcrum part between a contact part and a connection part of a contact, and to contact the contact part, the elastic part and the fulcrum part. The connecting portion 24 is arranged in a substantially crank shape, and a pressing portion 20 extending from the elastic portion 34 is provided at a position facing the connecting portion 24, and a pressing portion 36 continuously provided in the longitudinal direction on the slider 16 is provided. This can be achieved by mounting the slider 16 on the housing 12 so that the pressing portion 36 is rotatable between the connection portion 22 of the contact 14 and the pressing portion 20.
[Selection] Figure 2

Description

  The present invention relates to a connector used in a mobile phone, a notebook computer, a digital camera, and the like, and more particularly to a mechanism for pressing a contact against a flexible printed circuit board (hereinafter referred to as “FPC”) or a flexible flat cable (hereinafter referred to as “FFC”). Is.

  A connector used for a cellular phone, a CCD camera, etc. is a narrow pitch and extremely thin (so-called light thin short), and is mainly composed of a housing, a contact, and a slider, and the housing and the slider sandwich the FPC or FFC. It is. There are various methods for holding the FPC or FFC between the housing and the slider. However, there are many methods in which the slider is inserted after the FPC or FFC is inserted into the housing and the FPC or FFC is pressed against the contact.

  The housing is provided with a required number of insertion holes into which contacts are inserted and a fitting port into which an FPC or FFC is inserted.

  The contact 64 has a substantially U-shape as shown in FIG. 8, and mainly includes a contact portion 22 that contacts the FPC 40 or FFC, a connection portion 24 connected to a substrate and the like, and a fixing portion 42 fixed to the housing 62. It is configured. The contact 64 is fixed to the housing 62 by press fitting or the like.

  For example, the slider 66 has a substantially wedge shape as shown in FIG. 8, and after inserting the FPC 40 or FFC into the housing 62 in which the required number of contacts 64 are arranged, the slider 66 is inserted. The slider 66 includes a mounting portion 74 that is mainly mounted on the housing 62 and a pressing portion 68 that presses the FPC 40 or FFC against the contact portion 22 of the contact 64. Before the FPC 40 or FFC is inserted, the slider 66 is temporarily attached to the housing 62. When the slider 66 is inserted after the FPC 40 or FFC is inserted, the FPC 40 or FPC is inserted as shown in FIG. The pressing portion 68 of the slider 66 is inserted in parallel with the FFC, and the FPC 40 or FFC is pressed against the contact portion 22 of the contact 64.

  In recent years, this type of connector 60 has been increasingly required to have a lower profile, but the connector 60 having the above-described structure has six layers (both sides in the thickness direction of the housing 62) as shown in FIG. The thickness of the contact portion 22 of the contact 64 and the receiving portion 70, the thickness of the pressing portion 68 of the slider 66, and the thickness of the FPC 40 or FFC). Considering the low profile, the receiving part 70 of the contact 64 is omitted, and five layers (the walls on both sides in the thickness direction of the housing 62, the thickness of the contact part 22 of the contact 64, the thickness of the pressing part 68 of the slider 66, The thickness of the FPC 40 or the FFC) can be made, but there is a problem to be solved such that the height cannot be lowered any more due to the strength and specifications of each part.

  Further, in the connector 60 having the structure as described above, the FPC 40 or FFC is inserted and the contact portion 22 of the contact 64 is pressed against the FPC 40 or FFC only on the fitting port 18 side of the housing 62, so the connector is small. There is also the problem that workability becomes worse the more it becomes.

  Furthermore, when it is required to narrow the pitch of the connector 60, if the contacts 64 are inserted from one direction as in the conventional structure, there is a limit to narrowing the connector.

The present invention has been made in view of the above-described conventional problems, and without damaging the strength and specifications of each part , the two contact portions are connected to the FPC or the It is an object of the present invention to provide a connector that can be held in contact with both sides of the FFC to obtain a stable electrical connection, has good workability, and can reduce the pitch and reduce the height.

In order to achieve the above object, the gist of the present invention is as follows.
(1) A connector that is detachably fitted to a flexible printed circuit board (FPC) or a flexible flat cable (FFC), two contact parts that come into contact with both sides of the FPC or the FFC , and a connection part that connects to the board. pressing a required number of contacts, the housing having a fitting opening of the FPC or the FFC with the contact is retained is inserted, on the opposite side of the fitting opening, the contact to the FPC or the FFC with a connector and a slider, the contact includes a first contact portion which is the FPC or located on the upper surface of the FFC and the two one contact portion of the contact portion, the first is the connecting portion A first connecting part is provided between the connecting part and the first contact part, the first connecting part, and the first connecting part. A first pressing portion disposed in a rank shape and extending from one end of the first connecting portion at a position facing the first connecting portion, and the first contact from the other end of the first connecting portion. A first extending portion that extends in the same direction as the portion, is located on the lower surface side of the FPC or the FFC, and has a third contact portion that is the other contact portion of the two contact portions. A first insertion groove extending in a direction from the side on which the slider is mounted to the fitting port side is provided in the housing, and the first contact is inserted into the first insertion groove, The first insertion groove penetrates the housing, and the slider has a rotation shaft at both longitudinal ends, and is configured to rotate around the rotation shaft. The required number of the first contacts A locking hole is formed to engage with the tip of the first pressing part Then, having a partition wall between adjacent contacts, continuous in the longitudinal direction, and having a pressing portion having an elongated cross section between the first pressing portion and the first connecting portion, The pressing portion has a continuous curvature at least on both end faces of the long axis and in contact with the first pressing portion and the first connecting portion in the rotational movable range of the slider. With the rotation, the pressing portion acts on the first pressing portion and the first connecting portion of the first contact, and the first pressing portion is pushed up by using the elongated shape of the pressing portion. At the same time, without the pressing part directly pressing the FPC or the FFC, the first and third contact parts are held in contact with both sides of the FPC or the FFC to obtain a stable electrical connection. Characteristic connector.

(2) The contact includes first and second contacts which are two different types of contacts, and the first and second contacts are arranged in a staggered manner by alternately changing the insertion direction into the housing. Are provided with a first insertion groove extending in a direction from the side on which the slider is mounted toward the fitting port side, and a second insertion groove extending in a direction from the fitting port side toward the side on which the slider is mounted, One contact is inserted into the first insertion groove, the second contact is inserted into the second insertion groove, the first insertion groove penetrates the housing, and the first contact includes the FPC Alternatively , when a first coupling portion is provided between the first contact portion that is located on the upper surface side of the FFC and that is one of the two contact portions, and the first connection portion that is the connection portion. When In the first contact portion and the first connecting portion and the first connecting portion is arranged in a substantially crank shape, and extends from one end of the first connecting portion at a position opposite to the first connecting portion The first pressing portion and the other end of the first connecting portion extending in the same direction as the first contact portion, located on the lower surface side of the FPC or the FFC and out of the two contact portions A first extending portion having a third contact portion, which is another contact portion, and the second contact is located on the upper surface side of the FPC or the FFC and is one of the two contact portions. A second connecting portion is provided between the second contact portion that is the contact portion and the second connecting portion that is the connecting portion, and the second contact portion, the second connecting portion, and the second connecting portion, the was arranged in substantially U-shape and extending in the direction opposite to the second contact portion from one end of the second connecting portion Rutotomoni provided pressure receiving portion, between said second connecting portion and the second connecting portion is the other of the contact portions of the located on the lower surface side of the FPC or the FFC and the two contact portions A fourth contact portion that contacts the FPC or the FFC is provided, and the slider has a rotation shaft at both ends in the longitudinal direction, and is configured to rotate around the rotation shaft. A locking hole is formed so as to engage with the tips of the first and second pressing portions of the contact, a partition wall is provided between adjacent contacts, and the first pressing block is provided in a longitudinal direction. A pressing portion having an elongated cross section between the first connecting portion and the first connecting portion, and at a position immediately below the second pressing portion, the pressing portion at least on both end surfaces of the long axis. At least in the first and second pressing portions and the first connection portion within a rotation movable range The contacting portion has a continuous curvature, and the rotation of the slider around the axis of the slider causes the pressing portion to act at least on the first and second pressing portions and the first connection portion of the first contact. The first and second pressing portions are pushed up using the elongated shape of the pressing portion, and at the same time, the pressing portion does not directly press the FPC or the FFC, and the first and third The connector according to (1), wherein the contact portion and the second and fourth contact portions are sandwiched and brought into contact with both surfaces of the FPC or the FFC to obtain a stable electrical connection .

(3) The lower surface portion of the second pressing portion of the second contact and the upper surface portion of the housing facing the second pressing portion, at which the pressing portion of the slider moves at least in contact, are formed flat. The connector according to (2) above.

(4) The second contact includes a second extending portion that extends from the other end of the second connecting portion in a direction opposite to the second connecting portion, and the pressing portion of the slider moves at least in contact. The connector according to (2), wherein the lower surface portion of the second pressing portion of the second contact and the upper surface portion of the second extending portion are formed flat.

(5) The connector according to (2), (3), or (4), wherein the second insertion groove penetrates the housing.

(6) The connector according to any one of (1) to (5), wherein at least a tip of the contact receiving portion of the contact is positioned in a locking hole of the slider over a rotation movable range of the slider.

(7) In the first contact, there is no housing portion in a space region between at least the tip portion of the first extension portion and the first contact portion, and the first extension portion is fitted to the first contact portion. The connector according to any one of (1) to (6), wherein the connector is inserted into the first insertion groove so as to be visible from the joint side.

(8) The above-described (1) to (7), in which the lower surface portion of the first pressing portion of the first contact and the upper surface portion of the first connection portion, at which the pressing portion of the slider moves at least, are flat. The connector according to any one of items 1).

(9) The above ( 1 ), wherein a protrusion is provided at the tip of the first pressing portion of the first contact so that the pressing portion of the slider does not move in a direction toward the tip of the first pressing portion of the first contact. The connector according to any one of 1) to (8).

(10) The above-described configuration in which a protrusion is provided at the tip of the second pressing portion of the second contact so that the pressing portion of the slider does not move in a direction toward the tip of the second pressing portion of the second contact. The connector according to any one of 2) to (9).

(11) The housing corresponds to all contacts so as not to prevent the upward displacement of the pressing portion when the pressing portion of the contact is pushed up by the pressing portion of the slider and is displaced upward. The connector according to any one of (1) to (10), wherein the connector has one cutout portion formed by cutting out the housing.

According to the present invention, after the FPC or FFC is inserted into the fitting opening of the housing, the pressing portion acts on the pressing portion as the slider rotates about the axis, and the pressing portion becomes the pressing portion. by pushed up by the front SL contact portion presses the FPC or the FFC, thereby, excellent effects as follows can be obtained.

(1) said slider to be to rotated at the connection portion of the contact of the housing, since the contact portion of the contact has a structure of contacting the FPC or the FFC, said the fitting opening of said housing without inserting a slider, low profile position of the connector by the thickness of the slider becomes available.

(2) Two types of the first and second contacts are prepared, the first contact is inserted from the first connecting portion side, the second contact is inserted from the fitting port side of the housing, and the slider is By rotating on the side where the first pressing portion and the first connection portion of the first contact are located and on the side where the second pressing portion of the second contact is located , the narrowing and the low profile can be easily achieved. It becomes possible.

(3) A first extending portion extending from the other end of the first connecting portion of the first contact in the same direction as the first contact portion is provided, and the FPC or the FFC is brought into contact with the first extending portion. If the third contact portion is further provided, the first and third contact portions are provided on both sides in the direction perpendicular to the insertion direction of the FPC or the FFC, and the FPC or the FFC is fitted into the housing. after being inserted into the mouth, with the rotation about the axis of the slider, that the first pressure receiving portion is pushed up by the pressing portion, since the first contact portion is pressed to the FPC or the FFC side may the first and third contact portions of reliably the first contacts, obtaining stable electrical connection contacts held between both sides of the FPC or the FFC.

(4) If a fourth contact portion that contacts the FPC or the FFC is further provided between the other end of the second connection portion of the second contact and the second connection portion, the FPC or the FFC Second and fourth contact portions are provided on both sides in a direction perpendicular to the insertion direction, and after the FPC or the FFC is inserted into the fitting opening of the housing, the rotation about the axis of the slider is performed. , by the second pressure receiving portion is pushed up by the pressing portion, the since the second contact portion is pressed to the FPC or the FFC side, the second and fourth contact portions of reliably the second contact However, a stable electrical connection can be obtained by sandwiching and contacting both sides of the FPC or the FFC.

(5) first pressure receiving portion of the first contact, or the first protrusion in the first and first and prevention hand stage (first pressure receiving portion bulging at the tip of the second pressure receiving portion of the second contact, since the second pressure receiving portion is provided with a second projecting portion), with the rotation about the axis of the slider, it acts the pressing portion in the first and second pressure receiving portions of the first and second contact when to be even stronger repulsive force against rotation of said slider, a central portion of the slider can be prevented from resulting in blistering arrow "c" direction.

(6) Since the shape of the pressing portion of the slider is an elongated shape (having a major axis and a minor axis), the first and second contacts of the first and second contacts are surely rotated when the slider is rotated . in Rukoto push the pressure receiving portion upward, the first and third and second and fourth contact portions, can you to easily clamped in contact with both surfaces of the FPC or the FFC.

(7) The slider is provided with locking holes for engaging the first and second protrusions of the required number of the first and second contacts, and the locking holes are made independent. It is strong, can rotate reliably, and does not deform.

(A) It is a perspective view of the connector of this invention seen from the fitting port side of the state which the slider opened. FIG. 2B is a perspective view of the connector shown in FIG. 1A viewed from the side of the first connection portion in a state where the slider is open. (A) It is a perspective view of the connector of this invention cut | disconnected in the longitudinal direction in the part of a certain 1st contact in the state which the slider opened. (B) It is a perspective view of the connector of this invention cut | disconnected in the longitudinal direction in the part of a certain 1st contact in the state which inserted FPC and the slider closed. It is a perspective view of a slider. It is a perspective view of the 1st contact. It is a perspective view of the other connector of this invention. (A) It is a perspective view of the connector of this invention cut | disconnected in the longitudinal direction in the part of a certain 2nd contact in the state which the slider opened. (B) It is a perspective view of the connector of this invention cut | disconnected in the longitudinal direction in the part of a certain 2nd contact in the state which FPC was inserted and the slider closed. It is a perspective view of the conventional connector seen from the fitting port side before FPC is inserted. (A) It is a perspective view of the conventional connector cut | disconnected in the longitudinal direction in the part of a certain contact before FPC is inserted. (B) It is a perspective view of the conventional connector cut | disconnected in the longitudinal direction in the part of a certain contact in the state in which FPC was inserted and the slider was inserted.

An embodiment of the connector of the present invention will be described with reference to FIGS. FIGS. 1A and 1B show the connector of the present invention . FIG. 1A shows the slider when viewed from the side of the fitting port , and FIG. 1B shows the slider. shows a case where viewed from the first connection portion which constitutes the first contact opened, and FIG. 2 (a), (B) is a connector shown in FIG. 1 (a), the first contact portion of 2A is a perspective view when cut in the longitudinal direction, FIG. 2A shows a state in which the slider is opened , FIG. 2B shows a state in which the FPC is inserted and the slider is closed , and FIG. FIG. Figure 4 is Ru perspective view der of the first contact.

The connector 10 of the present invention mainly includes a housing 12 , a slider 16, and a first contact 14 .

The components of the connector of the present invention will be described with reference to the drawings.
First, the first contact 14 which is a point of the present invention will be described. The first contact 14 is made of metal and is manufactured by a known press working. The material of the first contact 14 is required to be springy or conductive, and can include brass, beryllium copper, phosphor bronze, and the like.

The first contact 14 has a substantially H-shape as shown in FIG. 4, the first contact portion 22a in contact with mainly the FPC40 or the FFC, the first connecting portion 24a to be connected to the substrate, A first fixing part 42a fixed to the housing 12, a first connecting part 34a provided between the first contact part 22a and the first connecting part 24a, and a position facing the first connecting part 24a. A first pressing portion 20a extending from one end of the first connecting portion 34a, and a first extending portion 22e extending from the other end of the first connecting portion 34a in the same direction as the first contact portion 22a. And a third contact portion 22c in contact with the FPC 40 or the FFC in the first extending portion 22e. The first contact portion 22a , the first connection portion 34a, and the first connection portion 24a are arranged in a substantially crank shape. The first and third contact portions 22a and 22c are formed in a convex shape so as to easily come into contact with the FPC 40 or the FFC, and the first connection portion 24a is a surface mount type in this embodiment as shown in FIG. (SMT), but it may be a dip type. That is, the two first and third contact portions 22a and 22c are provided to sandwich the FPC 40 or the FFC. By providing the first and third contact portions 22a and 22c on both sides in the direction perpendicular to the insertion direction of the FPC 40 or the FFC, the FPC 40 or the FFC is connected to the two first and third contact portions 22a, 22c, so that the FPC 40 or the FFC can be reliably contacted.

The first connecting part 34a and the first pressing part 20a are parts for performing the following actions when the FPC 40 or the FFC is inserted. After the FPC 40 or the FFC is inserted into the fitting port 18 of the housing 12, the pressing portion 36 is brought into contact with the first pressing portion 20 a of the first contact 14 by the rotation of the slider 16 around the axis 28 described above. The first and third contact portions 22a and 22c can be sandwiched and brought into contact with both sides of the FPC 40 or the FFC by operating and pushing up the first pressing portion 20a by the pressing portion 36. The size and shape of the first connecting portion 34a and the first pressing portion 20a are appropriately designed in order to achieve such an action.

Further, it is preferable to provide a swelling preventing means at the tip of the first pressing portion 20 a of the first contact 14. When the pressing portion 36 is caused to act on the first pressing portion 20a of the first contact 14 by the rotation of the slider 16 around the axis 28, the repulsive force against the rotation of the slider 16 is strong. This is because the portion tends to swell in the direction of the arrow “c” in FIG. 6B, but this tendency can be prevented by providing the swelling prevention means. Further, it is preferable that a first protrusion 26 is provided at the tip of the first pressing portion 20a as a swelling preventing means. The size of the first protruding portion 26 may be any size as long as it can fulfill the above-described role, and is appropriately designed to the extent that the pressing portion 36 of the slider 16 is caught.

  Next, the slider which is another point of the present invention will be described. This slider is an electrically insulating plastic and is manufactured by a known technique of injection molding. The material is appropriately selected in consideration of dimensional stability, workability, cost, etc. In general, polybutylene terephthalate ( PBT), polyamide (66PA, 46PA), liquid crystal polymer (LCP), polycarbonate (PC), and synthetic materials thereof. The slider 16 mainly includes a shaft 28 portion rotatably mounted on the opposite side of the housing 12 from the fitting port 18, a pressing portion 36 that presses the first pressing portion 20 a of the first contact 14, and And a locking hole 30 with which the first protrusion 26 of the first contact 14 engages. The shaft 28 is a shaft for rotating the slider 16, and the slider 16 is appropriately mounted on both sides in the longitudinal direction of the housing 12 so as to be rotatable. Further, on both sides in the longitudinal direction, the slider 16 is engaged with the housing 12 so that the slider 16 does not lift in the height (upward in the drawing) direction when the first pressing portion 20a of the first contact 14 is pressed. A locking part is provided. The lock portion may have any shape, size, etc. as long as it can engage with the housing 12 and is appropriately designed in consideration of the above-described role, the size, strength, etc. of the connector.

The pressing portion 36 is a portion that is pressed against the first pressing portion 20a of the first contact 14, and has an elongated shape. In this embodiment, the pressing portion 36 has an elliptical shape. By making the shape oval in this way, the slider 16 is rotated in the direction of the arrow “A” as shown in FIG. 2A and acts on the first pressing portion 20 a of the first contact 14, so that the pressing At the same time the change in size of parts 36 first pressure receiving portion 20a of the first contact 14 Ru lifted, the first contact portion 22a of the first contact 14, together with the third contact portion 22c, the FPC40 or The FFC can be held in contact with both sides of the FFC. As the shape of the pressing portion 36, the first portion 14 a acts on the first pressing portion 20 a of the first contact 14 along with the rotation of the slider 16 around the axis, and the first portion 14 is different in size from the long axis to the short axis. Any one can be used as long as the first pressing portion 20a of the one contact 14 is pushed up.

  Further, when the slider 16 is rotated, the repulsive force against the rotation of the slider 16 is strong, and the central portion of the slider 16 is prevented from being swollen in the direction of the arrow “C” in FIG. Therefore, the locking hole 30 with which the first protrusion 26 of the first contact 14 is engaged is provided independently. By providing the locking hole 30 separately and independently, the slider 16 is prevented from being strengthened and deformed during rotation.

  Finally, the housing will be described. This housing is an electrically insulating plastic, and is manufactured by injection molding of a known technique. The material is appropriately selected in consideration of dimensional stability, workability, cost, etc. In general, polybutylene terephthalate ( PBT), polyamide (66PA, 46PA), liquid crystal polymer (LCP), polycarbonate (PC), and synthetic materials thereof. The housing 12 is provided with an insertion groove 38 in which a required number of the first contacts 14 are mounted, and is fixed by press-fitting, hooking (lance), welding, or the like.

  Further, bearing portions to which the shaft 28 of the slider 16 is rotatably mounted are provided on both sides in the longitudinal direction. The shape and size of the bearing portion may be any as long as the shaft 28 of the slider 16 can be rotated. The shape and size of the bearing portion are appropriately designed in consideration of this role and the strength and size of the housing 12. . On both sides in the longitudinal direction, locking portions are provided at positions corresponding to the lock portions of the slider 16.

  Another connector according to the present invention is shown in FIGS. The second contact of the present invention will be described. The second contact 142 is also made of metal, and is manufactured by a known press working. The material is the same as that of the first contact 14.

The second contact 142 has two types, a substantially reverse h-shape and a substantially H-shape. The substantially reverse h-shape has a second contact portion 22b that mainly contacts the FPC 40 or FFC, and a substrate. A second connecting portion 24b to be connected, a second fixing portion (not shown) to be fixed to the housing 121, and a second connecting portion 34b provided between the second contact portion 22b and the second connecting portion 24b. And a second pressing portion 20b extending from one end of the . The second contact portion 22b, the second connecting portion 34b, and the second connection portion 24b are arranged in a substantially U shape. The substantially H-shaped one is further provided with a second extending portion 44 extending from the other end of the second connecting portion 34b in the same direction as the second pressing portion 20b. Before Stories second contact portion 22b is in the convex shape so as to facilitate contact with FPC40 or FFC, and in the second connecting portion 24b in this embodiment is a surface mounting type (SMT) as shown in FIG. 5 However, a dip type is also acceptable.

Similar to the first contact 14, the second connecting portion 34b and the second pressing portion 20b are pressed together with the rotation of the slider 161 around the axis when the FPC 40 or the FFC is inserted. When the portion 36 acts on the second pressing portion 20b of the second contact 142 and the second pressing portion 20b is pushed up by the pressing portion 36, the second contact portion 22b and the fourth contact portion 22d. However, it can be held in contact with both sides of the FPC 40 or the FFC. The size and shape of the second connecting portion 34b and the second pressing portion 20b are appropriately designed to achieve such an action.

It is also possible to provide a second protrusion at the tip of the second pressure receiving portion 20b of the second contact 142 (not shown). When the pressing portion 36 is applied to the second pressing portion 20b of the second contact 142 along with the rotation of the slider 161 around the axis, the repulsive force against the rotation of the slider 161 is strong. there tend to bulge arrow "c" direction shown in FIG. 6 (B) but, by providing the second projecting portion can be made to prevent such a tendency. The size of the second projecting portion may be any size as long as it can fulfill such a role, and is appropriately designed to the extent that the pressing portion 36 of the slider 161 is caught.

According to the present invention, both contact portions of the contact are sandwiched and brought into contact with both surfaces of the FPC or the FFC as the slider rotates around the axis without impairing the strength and specifications of each part, and stable electrical connection is achieved. Therefore, it is possible to provide a connector that has good workability and can be made narrow in pitch and low in profile.

10, 101, 60 Connector 12, 121, 62 Housing 14 First contact 142 Second contact 16, 161, 66 Slider 18 Fitting port 20a , 20b First and second pressing portions 22a-22d First to fourth Contact part 24a, 24b 1st and 2nd connection part 26 1st or 2nd protrusion part 28 Shaft 30 Locking hole 34a, 34b 1st and 2nd connection part 36, 68 Press part 38 Insertion groove 40 FPC
42, 42a Fixing portion 44 Second extending portion 70 Receiving portion 72 Slit 74 Mounting portion 76 Fixing tool

Claims (11)

A connector that is detachably fitted to a flexible printed circuit board (FPC) or a flexible flat cable (FFC),
Having two contact portions in contact with both surfaces of the FPC or the FFC, and a required number of contacts having a connecting portion connected to the substrate, the abutment joint fitting of the FPC or the FFC is inserted with the contact is retained In a connector including a housing and a slider that presses the contact against the FPC or the FFC on the opposite side of the fitting port,
The contact is first between the FPC or located on the upper surface of the FFC and the first contact surface, which is one of the contact portions of the two contact portions, the first connecting portion is the connecting portion 1 connection part is provided, and the 1st contact part, the 1st connection part, and the 1st connection part are arranged in the shape of an approximate crank, and the 1st connection part in the position which counters the 1st connection part A first pressing portion extending from one end of the first connecting portion, and extending from the other end of the first connecting portion in the same direction as the first contact portion, located on the lower surface side of the FPC or the FFC and the 2 Including a first contact provided with a first extending portion having a third contact portion which is the other contact portion of the two contact portions,
The housing is provided with a first insertion groove extending in a direction from the side on which the slider is mounted toward the fitting port, the first contact is inserted into the first insertion groove, and the first insertion groove is Penetrates the housing,
The slider has a rotation shaft at both ends in the longitudinal direction, is configured to rotate around the rotation shaft, and is engaged with a tip of the first pressing portion of the required number of the first contacts. Forming a hole, having a partition wall between adjacent contacts, continuous in the longitudinal direction, and having a pressing portion having an elongated cross section between the first pressing portion and the first connecting portion; The pressing portion has a continuous curvature at least on both end faces of the long axis, and a portion that contacts the first pressing portion and the first connecting portion in a rotationally movable range of the slider has a continuous curvature,
As the slider rotates about the axis, the pressing portion acts on the first pressing portion and the first connecting portion of the first contact, and the first pressing portion is the elongated shape of the pressing portion. At the same time, the first and third contact portions are held in contact with both sides of the FPC or the FFC and are stable without the pressing portion directly pressing the FPC or the FFC. Connector characterized by obtaining electrical connection . The contact includes first and second contacts which are two different types of contacts, and the first and second contacts are arranged in a staggered manner by alternately changing the direction of insertion into the housing .
The housing is provided with a first insertion groove extending in a direction from the side where the slider is mounted toward the fitting port and a second insertion groove extending in a direction from the fitting port toward the side where the slider is mounted. The first contact is inserted into the first insertion groove, the second contact is inserted into the second insertion groove, and the first insertion groove penetrates the housing;
The first contact includes a first contact portion that is located on an upper surface side of the FPC or the FFC and that is one of the two contact portions, and a first connection portion that is the connection portion. The first connecting portion is provided therebetween, and the first contact portion, the first connecting portion, and the first connecting portion are arranged in a substantially crank shape, and the first connecting portion is disposed at a position facing the first connecting portion . A first pressing portion extending from one end of the first connecting portion; and a second pressing portion extending from the other end of the first connecting portion in the same direction as the first contact portion and positioned on the lower surface side of the FPC or the FFC. And a first extending portion having a third contact portion which is the other contact portion of the two contact portions,
The second contact includes a second contact portion that is located on an upper surface side of the FPC or the FFC and that is one of the two contact portions, and a second connection portion that is the connection portion. A second connecting portion is provided therebetween, and the second contact portion, the second connecting portion, and the second connecting portion are arranged in a substantially U shape, and the second connecting portion is provided from one end of the second connecting portion. Rutotomoni providing the second pressure receiving portion extending in the direction opposite to the contact portion, between said second connecting portion and the second connecting portion, located on the lower surface side of the FPC or the FFC and the 2 A fourth contact portion that contacts the FPC or the FFC, which is the other contact portion of the two contact portions,
The slider has rotation shafts at both ends in the longitudinal direction, and is configured to rotate around the rotation shaft. The slider is engaged with the tips of the first and second pressing portions of the required number of the first and second contacts. A locking hole is formed so as to fit, a partition wall is provided between adjacent contacts, and is provided continuously in the longitudinal direction, between the first pressing portion and the first connecting portion, and the second pressing portion. A pressing portion having an elongated shape in cross section is provided at a position directly below the receiving portion, and the pressing portion includes the first and second pressing portions in the rotationally movable range of the slider at least on both end surfaces of the long axis, and the The portion that contacts at least the first connection portion has a continuous curvature,
As the slider rotates about the axis, the pressing portion acts at least on the first and second pressing portions and the first connecting portion of the first contact, so that the first and second pressing portions are The first and third contact portions and the second and fourth contact portions are pushed up by using the elongated shape of the pressing portion and at the same time the pressing portion does not directly press the FPC or the FFC. The connector according to claim 1, wherein the connector is held in contact with both sides of the FPC or the FFC to obtain a stable electrical connection . 3. The lower surface portion of the second pressing portion of the second contact and the upper surface portion of the housing facing the second pressing portion, at which the pressing portion of the slider moves at least in contact, are formed flat. Connector described in. The second contact has a second extending portion extending from the other end of the second connecting portion in a direction opposite to the second connecting portion, and the pressing portion of the slider moves at least in contact with the second contact portion. The connector according to claim 2, wherein the lower surface portion of the second contact portion of the two contacts and the upper surface portion of the second extending portion are formed flat. The connector according to claim 2, 3 or 4, wherein the second insertion groove passes through the housing. The connector according to any one of claims 1 to 5, wherein at least a tip of the contact receiving portion of the contact is located in a locking hole of the slider over a rotation movable range of the slider. The first contact has no housing portion in a space region between at least the tip end portion of the first extension portion and the first contact portion, and the first extension portion is located on the fitting port side. The connector according to claim 1, wherein the connector is inserted into the first insertion groove so as to be visually recognized. The lower surface portion of the first pressing portion of the first contact and the upper surface portion of the first connection portion, at which the pressing portion of the slider moves at least in contact, are both formed flat. Connector described in. 9. A projection is provided at the tip of the first pressing portion of the first contact so that the pressing portion of the slider does not move in a direction toward the tip of the first pressing portion of the first contact. The connector according to any one of the above. A protrusion is provided at the tip of the second pressing portion of the second contact so that the pressing portion of the slider does not move in a direction toward the tip of the second pressing portion of the second contact. The connector according to any one of the above. The housing corresponds to all the contacts so as not to prevent the upward displacement of the pressing portion when the pressing portion of the contact is pushed up and displaced upward by the pressing portion of the slider. The connector of any one of Claims 1-10 which has one notch part notched.

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