JP4234534B2 - Connection structure of valve and flat cable - Google Patents

Description

The present invention relates to a connection structure of the valve and the valve and the flat cable is connected to the flat cable.

  In recent years, flat cables having good space factor and large current capacity have been used for in-car wiring of automobiles or the like, compared to wire harnesses in which round electric wires are bundled. The flat cable is obtained by applying a flat collective insulation coating to a plurality of parallel conductors arranged in parallel by extrusion coating or plastic film bonding.

  Conventionally, the following methods are known as means for connecting a flat cable and a valve mounted on an automobile. (1) A method in which a conductor exposed portion is provided on one surface of a flat cable, and a contact on the valve side is brought into contact with the conductor exposed portion (Patent Document 1). (2) A method of exposing the flat conductor by removing the insulation coating at the flat cable connecting portion and connecting the exposed conductor to the conductor supporting the valve by welding or soldering (Patent Document 2).

JP 2002-270045 A JP 2002-79879 A

  However, either method needs to remove the insulation coating of the flat cable, and it takes time to remove the coating. In addition, it is difficult to connect by a simple operation, and the connection work is troublesome.

An object of the present invention does not require the removal of the insulating coating of the flat cable, the valve as well as to perform the work of connecting the flat by a simple operation, to provide a connection structure of the valve and the flat cable.

  The valve according to the present invention has a pair of leads connected to a flat cable, and the leads are made of a metal plate, a lower plate portion located on the lower surface side of the flat conductor portion of the flat cable, and a lower plate portion thereof. An upper plate portion folded back from the outer edge of the plate portion to the upper surface side of the flat cable, and a piercing piece bent from the tip of the upper plate portion toward the flat conductor portion of the flat cable, The plate portion is formed with a slot into which the tip end portion of the piercing piece penetrating the flat conductor portion of the flat cable is inserted, and the pair of leads are incorporated in the insulating housing.

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The connection structure of the valve and the flat cable according to the present invention is the connection between the valve and the flat cable configured as described above, and the flat cable is inserted between the lower plate portion and the upper plate portion of the lead. The piercing piece penetrates the flat conductor portion of the flat cable, and the tip of the piercing piece is inserted into the slot of the lower plate portion.

The connection member of the valve and the flat cable according to the related technology of the present invention is used to connect the valve and the flat cable, and has a pair of connection conductors formed of a metal plate, and each connection conductor is The first connection portion connected to the lead of the valve on one end side and the second connection portion connected to the flat conductor of the flat cable on the other end side, the first connection portion being a valve The second connecting portion is connected to the lower plate portion located on the lower surface side of the flat conductor portion of the flat cable and the outer edge of the lower plate portion from the outer edge of the flat cable portion. The upper plate portion folded back to the upper surface side, and a piercing piece bent from the tip of the upper plate portion toward the flat conductor portion of the flat cable, and the flat conductor of the flat cable on the lower plate portion Min tip of penetrating piercing piece is formed with a slot to be inserted, said pair of connecting conductor is characterized in that built into the insulating housing.

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The connection structure between the valve and the flat cable according to the related art of the present invention is a connection between the valve and the flat cable using the connection portion configured as described above, and the valve lead is connected to the connection member. is connected to the first connecting portion, is inserted between the lower plate and the upper plate portion of the second connecting portion of the front Symbol connecting member is a flat cable, the piercing member penetrates the flat conductor portion of the flat cable, The tip portion of the piercing piece is inserted into the slot of the lower plate portion.

According to the present invention, since the flat cable can be directly connected to the lead of the valve without peeling off the insulation coating, the connection between the valve and the flat cable can be performed easily and efficiently in a short time.

  FIG. 1 shows an example of a valve used in the present invention. The bulb 10 has a bulb main body 12 containing a light emitting source such as a filament, and a pair of leads 14 led out from the bulb main body 12. The pair of leads 14 is formed by molding a metal plate so as to hold a connection portion (end portion or the like) of the flat cable 16. The flat cable 16 is formed by laminating a plastic film such as a polyethylene terephthalate film from both sides to a plurality of (two in the illustrated example) flat conductors 18 arranged in parallel and applying a collective insulating coating 20.

Each of the pair of leads 14 includes a lower plate portion 22 disposed so as to be positioned on the lower surface side of the flat conductor 18 portion when the flat cable 16 is inserted in the direction of arrow P, and an outer edge of the lower plate portion 22. The upper plate portion 24 is folded back to the upper surface side of the flat cable 16, and the piercing piece 26 is bent from the tip of the upper plate portion 24 toward the flat conductor 18 portion of the flat cable 16. The lower plate portion 22 is formed with a slot 28 into which the tip of the piercing piece 26 is inserted.

  FIG. 2 shows an embodiment of a valve according to the present invention. The pair of leads 14 of the valve 10 configured as described above are assembled in a plastic housing 30. The housing 30 is obtained by connecting a base 32 and a cover 34 with a hinge portion 36. The lead 14 is fitted in a recess formed in the base 32. The base 32 is formed with a shallow groove 38 for positioning the flat cable at a predetermined position, and the cover 34 is formed with a recess 40 for accommodating the upper plate portion 24 after connection. The base 32 and the cover 34 are formed with a locking projection 42 and a locking frame portion 44 that are engaged with each other when the cover 34 is closed after connection.

When the end portion of the flat cable 16 is inserted into the lead 14 incorporated in the housing 30 as shown in FIG. 2, the result is as shown in FIG. Thereafter, the area around the bent portion of the upper plate portion 24 of the lead 14 and the piercing piece 26 is pressurized, the piercing piece 26 is pierced through the flat cable 16, and the tip portion of the piercing piece 26 is inserted into the slot 28. (See FIG. 4). Thereafter, when the cover 34 is closed, as shown in FIG. 5, the lead 14 of the valve 10 and the flat conductor 18 of the flat cable 16 are connected, and the connection portion is protected by the housing 30.

The width of the slot 28 is slightly wider than the thickness of the piercing piece 26, and the slot 28 is formed at a position where the piercing piece 26 is inserted toward one side in the slot width direction. In this way, the portion where the flat conductor 18 is pierced by the piercing of the piercing piece 26 is pushed into the slot 28 together with the distal end portion of the piercing piece 26 and extended to become an extended portion 18a, and is in surface contact with the piercing piece 26 (See FIG. 5). For this reason, the favorable connection state of the piercing piece 26 and the flat conductor 18 is obtained.

FIG. 6 shows an example of a connection member according to the related art of the present invention. The connection member 48 connects the valve 10 and the flat cable 16 and has a pair of connection conductors 50 formed of a metal plate. Each connection conductor 50 has a first connection portion 52 connected to the lead 14 of the valve 10 on one end side and a second connection portion 54 connected to the flat conductor 18 of the flat cable 16 on the other end side. ing. The lead 14 of the valve 10 is formed so as to be folded along the surface of an insulating support 56 provided at the base of the valve body 12. The first connection part 52 is in the form of a female contact to which the valve lead 14 formed as described above is inserted and connected (other forms are also possible).

  The second connection portion 54 has substantially the same structure as that of the lead 14 shown in FIGS. That is, when the flat cable 16 is inserted, the lower plate portion 22 disposed so as to be positioned on the lower surface side of the flat conductor 18 portion and the outer edge of the lower plate portion 22 are folded back to the upper surface side of the flat cable 16. And the piercing piece 26 that is bent from the tip of the upper plate portion 24 toward the flat conductor 18 of the flat cable 16. The lower plate portion 22 is formed with a slot 28 into which the tip of the piercing piece 26 is inserted.

The pair of connection conductors 50 are incorporated in a plastic housing 30. The housing 30 is obtained by connecting a base 32 and a cover 34 with a hinge portion 36. A cavity 58 that accommodates the first connection portion 52 of the connection conductor 50 and opens to the valve 10 side is formed on one end side of the base 30, and a second connection portion 54 is fitted in the intermediate portion. A shallow groove 38 for positioning the flat cable 16 at a predetermined position is formed on the end side. The cover 34 is formed with a recess 40 for accommodating the upper plate portion 24 after connection. Furthermore, the base 32 and the cover 34 are formed with a locking projection 42 and a locking frame portion 44 that are engaged with each other when the cover 34 is closed after connection.

  Since the connection member 48 is configured as described above, the lead 14 of the valve 10 can be easily connected to the connection conductor 50 simply by being inserted into the first connection portion 52. The connection structure between the second connection portion 54 and the flat cable 16 is substantially the same as the connection structure between the lead 14 and the flat cable 16 shown in FIGS. Connection work is simple. Therefore, by using this connecting member 48, the valve 10 and the flat cable 16 can be easily connected without peeling off the insulating coating 20 of the flat cable 16.

An example of the valve | bulb used for this invention is shown, (A) is a top view, (B) is the BB sectional drawing of (A). 1A and 1B show a valve according to an embodiment of the present invention, in which FIG. 1A is a plan view, FIG. 1B is a cross-sectional view taken along line B-B in FIG. The state which inserted the flat cable in the lead | read | reed part of the valve | bulb of FIG. 2 is shown, (A) is a top view, (B) is the BB sectional drawing of (A). FIG. 4 shows a state in which the stabbed piece of the lead is stabbed into the flat cable after the state of FIG. FIG. 5 is an enlarged cross-sectional view illustrating a state in which the cover is closed and the connection structure between the valve and the flat cable is completed after the state of FIG. 4. An example of the connection member which concerns on the related technique of this invention is shown, (A) is a top view, (B) is the BB sectional drawing of (A).

Explanation of symbols

10: Valve 12: Valve body 14: Lead 16: Flat cable 18: Flat conductor 20: Insulation coating 22: Lower plate portion 24: Upper plate portion 26: Piercing piece 28: Slot 30: Housing 32: Base 34: Cover 36: Hinge portion 38: groove 48: connecting member 50: connecting conductor 52: first connecting portion 54: second connecting portion

Claims (2)

  A valve having a pair of leads connected to a flat cable, wherein the leads are made of a metal plate, and are flattened from a lower plate portion located on a lower surface side of a flat conductor portion of the flat cable and an outer edge of the lower plate portion. An upper plate portion folded back on the upper surface side of the cable, and a piercing piece bent from the tip of the upper plate portion toward the flat conductor portion of the flat cable. A valve, wherein a slot into which a tip of a piercing piece penetrating a flat conductor portion is inserted is formed, and the pair of leads are incorporated in an insulating housing.   2. The connection structure between the valve according to claim 1 and a flat cable, wherein the flat cable is inserted between the lower plate portion and the upper plate portion of the lead, and the piercing piece penetrates the flat conductor portion of the flat cable. A connecting structure between a valve and a flat cable, wherein the tip of the piercing piece is inserted into a slot in the lower plate.

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