JP6258090B2 - Feed rail - Google Patents

Description

  The present invention relates to a power supply rail for supplying electric power to an electric slide seat mounted on a vehicle such as an automobile.

  Conventionally, as this type of device, for example, a power supply device for a slide sheet described in Patent Document 1 is known. This power supply device includes a case having a harness housing portion, a movable body that advances and retreats along the case, a wire harness that supports one end of the movable body, supports the other end of the case, and bends in the harness housing portion. And is configured. The wire harness is routed along the movable body and connected to the circuit on the electric slide seat side, and the circuit on the power supply side of the vehicle is connected to the connector of the case. As a result, the movable body advances and retreats simultaneously with the advance and retreat of the electric slide seat, so that power is supplied from the power supply side circuit of the vehicle to the circuit on the electric slide seat side via the wire harness.

JP 2005-59745 A

  By the way, according to the conventional power supply device as described above, since the wire harness is housed in a bent state in the harness housing portion of the case, the wire is moved when the movable body moves back and forth in accordance with the advancement and retreat of the electric slide seat. There is a risk that the harness may be caught in the case and hinder the movement of the movable body, or the wire harness may be twisted or pulled to cause malfunction. For this reason, there has been a problem that the supply of electric power from the power source of the vehicle to the electric slide seat becomes unstable.

  Accordingly, the present invention has been made to solve such problems, and an object of the present invention is to provide power supply that can continue to stably supply electric power from the power source of the vehicle to the electric slide seat. To provide rails.

  In order to achieve the above object, a power supply rail according to the present invention includes a case made of an insulator provided with a guide rail extending in a longitudinal direction therein, and opposed to the inside of the case in parallel with the guide rail. A fixed terminal made of a conductor, and a holder made of an insulator provided with a spring piece that reciprocates in the longitudinal direction in the case along the guide rail, and elastically spreads from the inside to the outside, and A movable terminal which is disposed between the spring piece and a movable terminal which is arranged so as to be held by the holder and overlaps the outside of the spring piece, and which is provided with an opposing contact insulated through the holder; A spring that pushes the piece outward and constantly contacts the fixed terminal.

  Further, in the power supply rail configured as described above, an opening is provided in the case in parallel with the guide rail, and a connector incorporating a connection terminal connected to the movable terminal protrudes from the opening to the outside of the case. It is preferable to be provided. A plurality of movable contact mechanisms including the holder, the movable terminal, and the spring may be provided in the moving direction.

  According to the present invention, the electric slide seat and the vehicle power source can be electrically connected via the power supply rail, and in particular, since there are no wires such as a wire harness in the case, the wiring harness is routed. There is an effect that the troublesome trouble of carrying out can be saved. In addition, when the electric slide sheet reciprocates, the movement of the electric slide sheet does not occur because the electric wires are caught in the case and obstruct the movement, or the electric wires are twisted or pulled to cause malfunction. Since the holder moves smoothly following this, there is an effect that power can be stably supplied from the power source of the vehicle to the electric slide seat.

It is a front view which shows the structure of the electrically driven slide seat periphery of the motor vehicle with which the electric power feeding rail of this invention was mounted | worn. It is a side view which shows the structure of the electrically driven slide seat periphery of the motor vehicle with which the electric power feeding rail of this invention was mounted | worn. It is a perspective view which shows the whole structure of the electric power feeding rail of this invention. It is a disassembled perspective view which shows the structure of the components which comprise the electric power feeding rail of this invention. It is a figure which shows the movable contact mechanism of the electric power feeding rail of this invention, (a) is a right view, (b) is a top view, (c) is a left view. It is a figure which shows the internal structure of the electric power feeding rail of this invention, (a) is a front view, (b) is sectional drawing near contact, (c) is sectional drawing near a connector.

  Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.

  As shown in FIG. 1, the power supply rail 1 of this embodiment is for supplying electric power from a power source of a vehicle to an electric slide seat 2 mounted on a vehicle such as an automobile. The power supply rail 1 is attached to and integrated with the side surface of the side rail 3 so that power can be continuously supplied when the electric slide sheet 2 reciprocates back and forth along the side rail 3.

  As shown in FIG. 2, a rail cover 4 made of resin is placed on the power supply rail 1 to protect foreign matter such as dust and sand from entering the vehicle.

  As shown in FIG. 3 in an enlarged manner, the power supply rail 1 of the present embodiment is accommodated in an iron mold 5 designed to have a total length of about 1400 mm in accordance with the moving distance of the long slide type electric slide sheet 2. The overall shape is formed into a long shape. Further, caps 6 and 6 for retaining are fixed to both ends of the mold 5 so that parts of the power supply rail 1 do not jump out, and the mounting holes 7 provided in the cap 6 are fixed with screws. Thus, the power supply rail 1 can be attached to the side surface of the side rail 3.

  FIG. 4 is an exploded view of the power supply rail 1 for each part. As shown in the figure, the power supply rail 1 is configured by assembling parts of a case 8, a fixed terminal 9, a holder 10, a movable terminal 11, and a spring 12.

  The case 8 is made of an insulator such as ABS resin, and is formed into an elongated rectangular tube shape so that it can be accommodated in the mold 5. A guide rail 13 having a T-shaped cross section extending in the longitudinal direction of the case 8 is provided on the left side surface of the case 8 in order to reciprocate the holder 10. A band-shaped opening 14 is provided on the right side surface of the case 8 along the longitudinal direction of the case 8 in parallel with the guide rail 13. Furthermore, in order to install the fixed terminal 9 in the upper surface and the lower surface in the case 8, recesses 15, 15 parallel to the guide rail 13 are provided along the longitudinal direction of the case 8. Claws 16 and 16 facing inward are formed.

  The fixed terminal 9 is made of a conductor such as a copper plate and is formed into an elongated flat plate shape so as to be fitted into the recess 15. By inserting this fixed terminal 9 into the recess 15 and locking it with the claws 16, 16 on both sides, a pair of fixed terminals 9, 9 facing the inside of the case 8 in parallel with the guide rail 13 is arranged.

  The holder 10 is made of an insulator such as ABS resin, and is formed into a shape that fits into the case 8. A guide groove 17 having a T-shaped cross section is provided on the left side surface of the holder 10 so as to be fitted to the guide rail 13 at both ends, and a holding groove 18 for holding the movable terminal 11 is provided at the center thereof. ing. A connector 19 that protrudes from the opening 14 to the outside of the case 8 is provided at the center of the right side surface of the holder 10. Further, on the upper and lower surfaces of the holder 10, a pair of spring pieces 20 and 20 having a spring property and having a thin plate shape so as to spread outwardly from the inside to the outside are provided. A protrusion 21 is formed on the outer surface of the.

  The movable terminal 11 is made of a conductor such as a copper plate, and is bent into a shape having a fulcrum portion 22 having a recessed central portion and plate portions 23 and 23 extending on both sides thereof. Moreover, the both ends of the movable terminal 11 are provided with contacts 24 raised to a truncated cone on the outer surface by soldering a conductive paste. Further, a connection terminal 25 built in the connector 19 is connected to and integrated with the right side surface of the movable terminal 11.

  The spring 12 is a compression coil spring in which a stainless spring material is wound in a coil shape.

  Then, as shown in FIG. 5, by inserting the fulcrum portion 22 of the movable terminal 11 into the holding groove 18 of the holder 10, the movable terminal 11 is integrated with the holder 10, and the plate portion 23 of the movable terminal 11 is replaced by the spring piece 20. It is arranged so as to overlap the top. Further, by installing the springs 12 and 12 in the space between the spring pieces 20 and 20, the spring pieces 20 are always pressed outward by the spring force of the spring 12. Further, by inserting the guide rail 13 of the case 8 into the guide groove 17 of the holder 10, the movable contact mechanism composed of the holder 10, the movable terminal 11 and the spring 12 is mounted on the main body composed of the case 8 and the fixed terminal 9. The power supply rail 1 is assembled.

  The power supply rail 1 assembled as described above is accommodated in the mold 5 as shown in FIG. 6, and attached to the side surface of the side rail 3 via caps 6 and 6 (see FIG. 2) at both ends. . At this time, since the connector 19 integrated with the holder 10 protrudes from the opening 14 to the outside of the case 8, a circuit on the electric slide seat 2 side is connected to the connector 19, and the vehicle power source is connected to the fixed terminal 9. The circuit on the side may be connected. Thereby, the electric slide seat 2 and the power source of the vehicle can be electrically connected via the power supply rail 1.

  Further, the spring piece 20 is pushed outward by the spring force of the spring 12, and the pushed spring piece 20 presses the plate portion 23 of the movable terminal 11 through the protrusion 21, thereby opposing contacts 24, 24. Can be kept in constant contact with the fixed terminals 9, 9 arranged above and below at a predetermined contact pressure. At this time, since the movable terminals 11, 11 arranged above and below are separated from each other via the holder 10 made of an insulator, the fixed terminals 9, 9 and the connection terminals 25, 25 in the connector 19 are electrically insulated. can do.

  Further, since the holder 10 is installed so as to be slidable in the longitudinal direction inside the case 8 along the guide rail 13, even when the electric slide seat 2 reciprocates back and forth along the side rail 3, Following the movement of the electric slide sheet 2, the holder 10 smoothly reciprocates back and forth, so that power can be stably supplied from the power source of the vehicle to the electric slide sheet 2. Moreover, since there are no wires such as a wire harness in the case 8 of the power supply rail 1, the troublesome work of wiring the wire harness can be saved and the wires can be moved when the electric slide sheet 2 reciprocates. There is no possibility of getting stuck in the case 8 and hindering movement, twisting or pulling, and causing malfunction.

  In the present embodiment, since a pair of movable contact mechanisms each including the holder 10, the movable terminal 11, and the spring 12 are provided symmetrically in the moving direction, a failure due to a contact failure of either the front or rear movable contact mechanism or the like. Even if this occurs, the fail-safe function for ensuring safety can be exhibited by the other movable contact mechanism operating normally.

1: Power supply rail 2: Electric slide sheet 3: Side rail 4: Rail cover 5: Formwork 6: Cap 7: Mounting hole 8: Case 9: Fixed terminal 10: Holder 11: Movable terminal 12: Spring 13: Guide rail 14: Opening 15: Recess 16: Claw 17: Guide groove 18: Holding groove 19: Connector 20: Spring piece 21: Protrusion 22: Support point 23: Plate part 24: Contact 25: Connection terminal

Claims (3)

A case made of an insulator provided with a guide rail extending in the longitudinal direction inside;
A fixed terminal made of a conductor arranged in parallel to the guide rail and facing the inside of the case;
A holder made of an insulator provided with a spring piece that reciprocates in the longitudinal direction in the case along the guide rail and that elastically spreads from the inside toward the outside;
A movable terminal made of a conductor that is held by the holder and arranged to overlap the outer side of the spring piece, and is provided with an opposing contact insulated through the holder;
A spring that is installed between the spring pieces and presses the spring pieces outward to constantly contact the contact with the fixed terminal;
A power supply rail characterized by comprising:   An opening is provided in the case in parallel with the guide rail, and a connector having a connection terminal connected to the movable terminal is provided to protrude from the opening to the outside of the case. Item 2. The power supply rail according to Item 1.   The power supply rail according to claim 1, wherein a plurality of movable contact mechanisms including the holder, the movable terminal, and the spring are provided in a moving direction.