JP4563441B2 - connector - Google Patents

Description

The present invention relates to connectors that are used in cellular phones and laptop computers and digital cameras, etc., Keru One press contact particularly on a flexible printed board (hereinafter referred to as "FPC") or flexible flat cable (hereinafter referred to as "FFC") It relates to the mechanism.

  A connector used for a mobile 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 FPC or FFC is sandwiched between the housing and the slider. 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. 6 , and is mainly composed of a contact portion 22 that comes into contact with the FPC 40 or FFC, a connection portion 24 that is connected to a substrate or the like, and a fixed portion 42 that is fixed to the housing 62. Has been. 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. 6 , 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 the FFC 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 such conventional problems, and the FPC 40 or the FFC is reliably pressed against the contact portion 22 of the contact 14 by the slider 16 without impairing the strength and specifications of each part. Therefore, it is intended to provide a connector that can be manufactured, has good workability, and can reduce the pitch and reduce the height.

The low profile for the above purpose is a connector 10 that is detachably fitted to the FPC 40 or FFC , and has a contact number 22 that contacts the FPC 40 or the FFC , and a required number of contacts having a connection part that connects to the substrate. 14, the connector 10 comprises a housing 12 having a fitting opening 18 of the FPC40 or the FFC with the contact 14 is held and fixed is inserted, and a slider 16 that presses the contact 14 on the FPC40 or the FFC In this embodiment, an elastic part 34 and a fulcrum part 32 are provided between the first contact part 22 which is the contact part of the contact 14 and the connection part 24, and the first contact part 22, the elastic part 34 and the fulcrum part. 32 and the connecting portion 24 are arranged in a substantially crank shape, and the elastic portion 3 is located at a position facing the connecting portion 24. 4 pressure receiving portion 20 which extends from the provided engagement said the slider 16 provided with a pressing portion 36 which has an elongated shape which is continuously provided in the longitudinal direction Rutotomoni, pressure receiving portion 20 of the required number of the contact 14 enters provided stop hole 30 separately and independently, the slider 16 pivotally between the connecting portion 22 and the pressure receiving portion 20 of the pressing portion 36 is the contact 14 on the side opposite to the fitting opening 18 of the housing 12 When the mounting portion is mounted and the pressing portion 36 of the slider 16 rotates between the connection portion 24 of the contact 14 and the pressing portion 20, the pressing portion 36 is pushed up by the pressing portion 36, thereby the fulcrum portion 32. And the elastic part 34 is inclined toward the first contact part 22 side, so that the first contact part 22 becomes the flexible printed circuit board (FPC) 40 or the flexible flat cable. It can be achieved by being pressed by the FFC) side.

Further, it means for preventing blistering at the tip of the pressure receiving portion 20 of the contact 14, and more preferably provided with a projecting portion 26, that the pressing portion 36 of the slider 16 is prevented from moving to the connecting portion 24 direction of the contact 14 desirable. By providing the preventing means 26 in this way the blister, repulsive force against the rotation of the slider 16 when rotating the pressing portion 36 of the slider 16 with the connecting portion 24 and the press receiving portion 20 of the contact 14 for a strong, central portion of the slider 16 can be prevented from resulting in blistering arrow "B" direction in FIG. 1 (B).

Further, in the present invention, to elongated shape of the pressing portion 36 of the slider 16. For example, the elongated shape may be an ellipse. By this way elongated, upon rotating the slider 16 reliably push the pressure receiving portion 20 of the contact 14 upward, to easily contact the contact portion 22 to the FPC40 or the FFC be able to.

Furthermore, in the present invention, the slider 16, Ru provided locking hole 30 to pressure receiving portion 20 of the required number of the contact 14 enters independently. Thus, by providing the locking holes 30 independently, the slider 16 can be firmly and reliably rotated.

In the present invention, the contact portion of the contact 14, the first contact portion 22, the surface of the fulcrum portion 32 from said first contact portion 22 (at the contact portion located on the upper side in FIG. 2 (B) FPC 40 portion in contact with the back surface of the contact portion FPC40 also in a direction extending in the same direction as the portion) in contact located on the second contact portion 22 lower in (see FIG. 2 (B) in contact with the FPC40 or the FFC and ) And two contact portions . With respect to the insertion direction of this way the FPC40 or said FFC, by providing the first and second contact portions 22, 22 respectively at a right angle on both sides, the FPC40 or FFC first and second contact portions 22 in will be sandwiched, it becomes possible to contact reliably the FPC40 or the FFC.

After the FPC40 or the FFC is inserted into the fitting opening 18 of the housing 12, the pressing portion 36 of the slider 16 is rotated between the connecting portion 24 and the pressure receiving portion 36 of the contact 14, the pressure receiving part 20 is a fulcrum fulcrum portion 32 of the contact 14 by being pushed up by the pressing portion 36, by the elastic portion 34 of the contact 14 is inclined to the first contact portion 22 side, said first contact portion 22 It is pressed against the FPC40 or the FFC side.

An embodiment of the connector of the present invention will be described with reference to FIGS.
FIG. 1A is a perspective view of the connector of the present invention as viewed from the fitting port side in a state where the slider is open, and FIG. 1B is a perspective view of the connector of the present invention as viewed from the connection portion side in which the slider is open. FIG. 2A is a perspective view of the connector of the present invention cut at the contact portion with the slider opened, and FIG. 2B is cut at the contact portion with the FPC inserted and the slider closed. It is a perspective view of the connector of the present invention. FIG. 3 is a perspective view of the slider. 4A is a perspective view of a contact having two contact portions, and FIG . 4B is a perspective view of another contact having one contact portion.

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

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

The contact 14 has a substantially H-shape as shown in FIG. 4 (A), the first contact portion 22 in contact with mainly the FPC40 or the FFC, the connecting portion 24 to be connected to the substrate, the housing 12 extending a fixing portion 42 for fixing, the elastic portion 34 and the fulcrum portion 32 provided between the connecting portion 24 and the first contact portion 22, from the elastic portion 34 at a position opposite to the connecting portion 24 to the a set has been pressure receiving portion 20, and a second contact portion 22 that contacts the FPC40 or the FFC also in a direction extending in the same direction as the first contact portion 22 from the fulcrum portion 32. The upper first contact portion 22 (upper side in FIG. 2A), the elastic portion 34, the fulcrum portion 32, and the connection portion 24 are arranged in a substantially crank shape. It said first and second contact portions 22 and 22, the FPC40 or the FFC and the convex shape to facilitate contact with the surface mount type as the connecting portion 24 in the present embodiment FIG. 1 (SMT ), But a dip type is also acceptable. That is, the two said first and second contact portions 22, 22 are provided, so as to sandwich the FPC40 or the FFC. Wherein the insertion direction of FPC40 or the FFC, by providing the right angle direction on both sides the first and second contact portions 22, 22, the FPC40 or the FFC two said first and second contact portions 22, will be held between 22, it will be able to contact reliably the FPC40 or the FFC.

Wherein the fulcrum portion 32 and the elastic portion 34 and the pressure receiving portion 20, when the FPC40 or the FFC is inserted, a part to fulfill the following effects. After the FPC40 or that the FFC is inserted into the fitting opening 18 of the housing 12, the pressing portion 36 of the slider 16 is rotated between the connecting portion 24 and the pressure receiving portion 20 of the contact 14, the push by receiving portion 20 as a fulcrum of the fulcrum portion 32 of the contact 14 by being pushed up by the pressing portion 36, the elastic portion 34 of the contact 14 is inclined to the first contact portion 22 side, the first contact portion 22 There are pressed against the FPC40 or the FFC side. The size and shape of the fulcrum part 32, the elastic part 34, and the pressing part 20 are appropriately designed in order to achieve such an action.

Further, Rukoto provided preventing means swelling at the tip of the pressure receiving portion 20 of the contact 14 is preferred. When rotating the pressing portion 36 of the slider 16 with the connecting portion 24 and the press receiving portion 20 of the contact 14, because a strong repulsive force against rotation of the slider 16, the central portion of the slider 16 This is because the tendency to swell in the direction of the arrow “B” in FIG. 1B can be prevented by providing the bulge prevention means . Further, it is more preferable to provide a protruding portion 26 at the tip of the pressing portion 20 as the swelling preventing means. The size of the protrusion 26 may be any size if it is possible the role may be suitably designed to the extent that the pressing portion 36 of the slider 16 is hooked.

Another contact will be described with reference to FIG. Here, only differences from the contact 14 described above will be described. It is obtained by deleting the second contact portion 22 between the FPC40 or said FFC provided in a direction extending from the fulcrum portion 32 of the contact 141, and a shape substantially inverted h-shape.

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 includes a shaft 28 portion that is rotatably mounted on the opposite side of the fitting opening 18 of mainly the housing 12, a pressing portion 36 for pressing the pressure receiving portion 20 of the contact 14, the contact 14 And a retaining hole 30 into which the pressing part 20 is inserted . The shaft 28 is a fulcrum for rotating the slider 16, the slider 16 in the longitudinal direction on both sides of the housing 12 is appropriately mounted rotatably. Further, in the longitudinal direction on both sides, wherein the slider 16 upon pressing the pressure receiving portion 20 of the contact 14 is high (on the drawing) locking portion engaging said housing 12 to prevent lifted in a direction 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 for pressing the pressure receiving portion 20 of the contact 14, as its shape to an elongated shape. In this embodiment , the pressing portion 36 has an elliptical shape. By this way elliptical shape, the slider 16 is rotated in the arrow "b" direction as shown in FIG. 2 (A), the rotating between the pressure receiving portion 20 and the connecting portion 24 of the contact 14 it is, the pressure receiving portion 20 of the contact 14 by a change in size of the pressing portion 36 is lifted, it is pressed against the first contact portion 22 side of the contact 14 on the FPC40 or the FFC. The shape of the pressing portion 36, the can rotate between the pressure receiving portion 20 and the connecting portions 24 of the contacts 14, it is pushed up the pressure receiving portion 20 of the contact 14 due to the difference in size such major and minor axes Anything may be used.

Further, upon rotating the slider 16, so as to prevent the repulsive force against the rotation of the slider 16 is strong, the central portion of the slider 16 will be swollen by the arrow "B" direction shown in FIG. 1 (B) In order to achieve this, a locking hole 30 for receiving the pressing portion 20 of the contact 14 is provided separately and independently. The locking hole 30 by the provided independently, thereby preventing deformation during strength up and rotation of the slider 16.

  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.

Wherein the housing 12, the insertion groove 38 of the contact 14, 141 of the required number is attached are provided, and is fixed by press-fitting, hooking (lancing), welding or the like. Further, on both sides in the longitudinal direction, bearing portions to which the shaft 28 of the slider 16 is rotatably mounted are provided. Shape and size of the bearing portion, the if the shaft 28 of the slider 16 is long is mounted so that it can rotate may be any one, suitably designed in consideration of this role, strength and size of the housing 12 or the like To do. On both sides in the longitudinal direction, locking portions are provided at positions corresponding to the lock portions of the slider 16.

As apparent from the above description, according to the connector 10 of the present invention, excellent effects as follows can be obtained.
(1) wherein (the fitting opening 18 opposite) the contact 14 of the connecting portion 24 side of the slider 16 the housing 12 by rotating in the first contact portion 22 of the contact 14, 141 FPC 40 or since the structure of contacting the FFC, without inserting the slider 16 in the fitting opening 18 of the housing 12. low profile position of the thickness of only the connector 10 of the slider 16 is enabled.

( 2 ) After the FPC 40 or FFC is inserted into the fitting port 18 of the housing 12 , the pressing portion 36 of the slider 16 rotates between the connection portion 24 of the one contact 14 and the pressing portion 20. Then, when the pressing portion 20 is pushed up by the pressing portion 36, the fulcrum portion 32 of the contact 14 is used as a fulcrum, and the elastic portion 34 of the contact 14 is inclined toward the contact portion 22, whereby the contact portion 22 is Since the FPC 40 or FFC is pressed, the contact portion 22 of the contact 14 and the FPC 40 or FFC can be reliably connected.
(3) Since the is provided the blistering prevention means on the tip of the pressure receiving portion 20 of the contact 14 (projecting portions 26), the pressing portion 36 of the slider 16 and the pressure receiving portion 20 of the contact 14 and the connecting portion 24 be strong repulsive force against rotation of the slider 16 when pivoting is between the central portion of the slider 16 can be prevented from resulting in blistering arrow "b" direction.
( 4 ) Since the shape of the pressing portion 36 of the slider 16 is an elongated shape (there is a long axis and a short axis), when the slider 16 is rotated, the pressing portions of the contacts 14 , 141 are surely provided. pushing up 20 upwards, it can be easily brought into contact with the first contact portion 22 in the FPC40 or the FFC.
(5) to the slider 16 provided with a locking hole 30 to pressure receiving portion 20 enters the required number of the contact 14, 141, since the engagement stop holes 30 separately and independently, a robust the slider 16, It can rotate reliably and does not cause deformation.
(6) When the contact 14 from the fulcrum 32 in a direction extending in the same direction as the first contact portion further providing the second contact portion 22 that contacts the FPC40 or the FFC, the FPC40 or the FFC to the insertion direction, it will be providing the first and second contact portions 22, 22 at right angles on both sides, since the FPC40 or the FFC so that sandwiching the first and second contact portions 22, certainly the will be in contact with the FPC40 or the FFC.
(7) the FPC40 or side for insertion of the FFC in the fitting opening 18 of the housing 12, the operation for pressing the first contact portion 22 of the contact 14, 141 with the FPC40 or the FFC connection of the contact 14, 141 since done in parts 24 side, the connector 10 is not affected workability be downsized, it is possible to easily perform the work.

(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. (B) It is a perspective view of the connector of this invention seen from the connection part side of the state which the slider opened. (A) It is a perspective view of the connector of this invention cut | disconnected by the contact part with the state which the slider opened. (B) It is a perspective view of the connector of this invention cut | disconnected by the contact part with the state which inserted FPC and the slider closed. It is a perspective view of a slider. (A) It is a perspective view of a contact with two contact parts. (B) It is a perspective view of another contact with one contact part. It is a perspective view of the conventional connector seen from the fitting port side before a slider is inserted. (A) It is a perspective view of the conventional connector cut | disconnected by a certain contact part before a slider is inserted. (B) It is a perspective view of the conventional connector cut | disconnected by the contact part with the state in which FPC was inserted and the slider was inserted.

Explanation of symbols

10 , 60 Connector 12 , 62 Housing 14 , 141 , 64 Contact 16 , 66 Slider 18 Fitting port 20 Pressing portion 22 First and second contact portion 24 Connection portion 26 Swelling prevention means, Projection portion 28 Shaft 30 Locking hole 32 Supporting point portion 34 Elastic portion 36, 68 Pressing portion 38 Inserting groove 40 FPC
42 Fixing portion 70 Receiving portion 72 Slit 74 Mounting portion 76 Fixing tool

Claims (7)

A connector that is detachably fitted to a flexible printed circuit board (FPC) or a flexible flat cable (FFC),
A required number of contacts having a contact portion that contacts the FPC or the FFC, and a connection portion that connects to a substrate; a housing having a fitting port in which the contact is held and the FPC or the FFC is inserted; On the opposite side of the fitting port, the FPC or FFC is provided with a slider that presses the contact, and the contact portion contacts at least the upper surface of the FPC or the FFC.
Between the first contact portion and the connection portion is the contact portion of the contact, provided with an elastic portion and a fulcrum portion, and the first contact portion and the resilient portion and the fulcrum portion and said connection portion The fulcrum portion is disposed in a substantially crank shape so as to be located on the lower end side of the elastic portion , and a pressing portion extending from the upper end of the elastic portion is provided at a position facing the connection portion,
The housing is provided with an insertion groove in a direction from the side on which the slider is mounted to the fitting port side, the contact is inserted into the insertion groove, and a connection portion of the inserted contact is held by the housing. ,
Wherein the slider, provided with a pressing portion in which the elongated shape and provided continuously in the longitudinal direction, to form a plurality of locking holes which engage in correspondence with pressure receiving portion of each of said contacts independently, the adjacent A partition wall is disposed between the contacts, and the slider is mounted on the housing so that the pressing portion is rotatable between the connecting portion and the receiving portion of the contact, and the pressing portion of the slider is When rotating between the connecting portion and the pressing portion, the connecting portion of the contact held by the housing is not displaced, only the pressing portion of the contact is pushed up by the pressing portion, and the fulcrum portion is supported as a fulcrum. below into and by the elastic portion is inclined to the first contact portion, without the pressing portion is directly presses the FPC or the FFC, the first contact portion is the FPC or the FFC side Displacement to the connector, characterized by contacting the FPC or the FFC and pressing. The connector according to claim 1, wherein the insertion groove penetrates in a direction from the side on which the slider is mounted toward the fitting port. The connector according to claim 1, wherein a connection portion of the contact is fixed to the housing. The said contact has an extension part extended in the same direction as the said 1st contact part from the said fulcrum part, The said extension part is inserted in the said insertion groove | channel. connector. The housing cuts the housing corresponding 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 by the pressing portion of the slider and displaced upward. The connector as described in any one of Claims 1-4 which has one notch part which lacked. The connector according to any one of claims 1 to 5, wherein a protrusion is provided at a tip of the contact receiving portion of the contact so that the pressing portion of the slider does not move in a direction away from a connection portion of the contact. 7. The connector according to claim 4, 5, or 6 , wherein a second contact portion that contacts a lower surface of the FPC or the FFC is provided at a distal end of the extension portion so as to face the first contact portion.

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