JPH11166357A - Feeding structure for sliding door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a feeding structure for a sliding door capable of supplying power to an electric device disposed in the sliding door without impeding the opening and closing operation of the sliding door, even if a sliding door is in a opened state. SOLUTION: A tension device 17 is connected to a sliding door 2 to be moved in the opening and closing direction of the door 2. One end of a curl cord 19 is electrically connected to a battery and fixed to the end part in the opening and closing direction of a getting on-and-off port. The other end of the cord is fixed to the tension device 17, and the cord is contracted expandable with the opening and closing movement of the sliding door 2. A wiring 19b electrically connects the other end of the curl cord 19 fixed to the tension device 17 to an electric device disposed in the door 2. A shaft 18 guides the cord 19 so that the cord 19 does not interfere with the opening and closing operation of the sliding door 2, when the curl cord 29 is expanded or contracted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power supply structure for a sliding door which supplies electric power to electric equipment disposed on a sliding door which opens and closes an opening by sliding, and particularly relates to a door opening / closing opening of a vehicle. The present invention relates to a slide door power supply structure suitable for a vehicle slide door.

[0002]

2. Description of the Related Art Japanese Patent Application Laid-Open No. Hei 7-267020 discloses a power supply structure for supplying electric power from a power supply disposed outside a door to an electric device disposed on the slide door. In this power supply structure, a female connector for power supply is provided on the vehicle body, and a male connector is provided on a portion facing the female connector when the slide door is closed. Then, when the slide door is closed, the two connectors come into contact with each other to supply power from an electric power source disposed in the vehicle body to an electric device disposed in the slide door. .

[0003]

By the way, the present applicant detects an operating force exerted on a pressure sensor provided on a grip portion of a slide door when an occupant opens and closes the slide door, and responds to the detected value. A door opening / closing device that opens and closes a sliding door by actuating an actuator by means of a prototype.

[0004] However, when the slide door is closed, power can be supplied to the pressure sensor by means similar to the power supply structure described in the above publication, but when the slide door is open, both connectors are connected. Since it is in a non-contact state, power cannot be supplied to the pressure sensor. Therefore, in the power supply structure described in the above publication, the actuator cannot be controlled while the slide door is open.

The problem that power cannot be supplied when the slide door is open is a problem, for example, when a power window device is provided on the slide door, the power window device cannot be supplied when the slide door is open. This is not a problem inherent to the door opening / closing device, such as being unable to operate, but is a common problem that occurs when an electric device is disposed on a sliding door.

[0006] In order to solve this problem, it is conceivable to simply connect an electric device provided on the sliding door and a power supply provided on the vehicle body with a power supply cable.
When opening and closing the slide door, the power supply cable may be forcibly pulled or excessively bent, which may hinder the opening and closing operation of the slide door.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to supply power to an electric device provided in a slide door even when the slide door is open. It is another object of the present invention to provide a power supply structure for a slide door that can perform the opening and closing operation of the slide door without interfering with the operation.

[0008]

According to a first aspect of the present invention, there is provided a power supply disposed outside a sliding door which slides to open and close an opening. A power supply structure for a sliding door that supplies electric power from the sliding door, the moving body being connected to the sliding door and moving in the opening and closing direction of the door, one end of which is electrically connected to the power supply, and A power supply line fixed to an end in the opening and closing direction of the opening and closing, and the other end is fixed to the moving body, and is configured to be expandable and contractable so as to expand and contract with the opening and closing movement of the slide door. Connecting means for electrically connecting the other end of the power supply line to the electric device; and guiding the power supply line such that the power supply line does not interfere with the opening and closing operation of the slide door when the power supply line expands and contracts. And gist that a guide means that.

According to a second aspect of the present invention, in the power supply structure for a sliding door according to the first aspect, the guide means includes:
A shaft extending in the opening and closing direction of the slide door,
The feed line is formed in a spring shape or a wave shape, and is mounted on the shaft.

[0010] The invention described in claim 3 is the invention according to claim 1 or 2.
In the power supply structure for a slide door according to the above, the gist is that the moving body opens and closes the slide door based on rotation of an electric motor.

According to a fourth aspect of the present invention, in the power supply structure for a slide door according to any one of the first to third aspects, the slide door is a vehicle slide door slidably supported on a vehicle body. The gist is that there is.

Therefore, according to the first aspect of the present invention,
The power supply line is configured to be expandable and contractable so as to expand and contract with the opening and closing movement of the slide door, one end of which is electrically connected to a power supply, and is fixed to an end of the opening in the opening and closing direction,
The other end is fixed to a moving body that moves in the opening and closing direction of the slide door. The connection means electrically connects the other end of the power supply line fixed to the moving body to an electric device provided on the slide door. The guide unit guides the power supply line such that the power supply line does not interfere with the opening and closing operation of the slide door when the power supply line expands and contracts. Therefore, power can be always supplied from the power supply to the electric device by the power supply line and the connection means regardless of the open / closed state of the slide door. Moreover,
Since the power supply line is guided and guided by the guide means along with the opening and closing movement of the slide door, the power supply line does not interfere with the opening and closing operation of the slide door, and does not interfere with the opening and closing operation of the slide door. Absent.

According to the second aspect of the present invention, the power supply line is formed in a spring shape or a wave shape, and is configured to be mounted on a shaft extending in the opening and closing direction of the slide door. Then, the power supply line is expanded and contracted on the shaft so as not to interfere with the opening and closing operation of the slide door. Therefore, it can be easily configured.

According to the third aspect of the present invention, the moving body opens and closes the slide door based on the rotation of the electric motor. Therefore, even if the sliding door is automatically opened and closed by the electric motor, the same effect as described above can be obtained.

According to the invention described in claim 4, the slide door is a vehicle slide door slidably supported on a vehicle body. Therefore, power can be supplied from the power supply provided outside the vehicle slide door (vehicle body) to the electric equipment provided in the door via the power supply line regardless of the open / close state of the slide door.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. FIG. 1 shows a vehicle 1 having a sliding door. The sliding door 2 is slidably supported in the front-rear direction with respect to the vehicle body 1a, and opens and closes a doorway 1b as an opening of the vehicle by sliding.

The sliding door 2 has a grip portion 3a provided inside and outside the vehicle for manual operation, and an operating force exerted on the grip portion 3a when the occupant opens and closes the slide door 2 is detected. A handle switch 3 for outputting the operation force detection signal is provided.

The slide door 2 is provided with a pressure-sensitive switch 4 for detecting the external force when a predetermined value or more acts on one side 2a in front of the slide door 2. The pressure-sensitive switch 4 is a well-known pressure-sensitive switch in which an electrode having a predetermined gap is disposed in an elastically deformable rubber tube.
When an external force acts on the tube, the electrodes come into contact with each other and output an external force detection signal. When the external force is detected by the pressure-sensitive switch 4, the pinch between the slide door 2 and the vehicle body 1a is detected.

Inside the sliding door 2, a door lock device 5 for electrically locking and unlocking the door 2 and a door lock device 5
And an in-door controller 6 for performing the above control. Each detection signal of the handle switch 3 and the pressure-sensitive switch 4 is inputted to the door controller 6.

A slide drive device 7 for driving the slide door 2 to slide is provided below the entrance 1b of the vehicle. As shown in FIG. 2, the slide drive device 7 is formed so that its base plate 8 extends in the front-rear direction of the entrance 1b, and is assembled to the vehicle body 1a.
A pulley 9 is rotatably attached to a front end of the base plate 8. In addition, a rotation drive device 10 is attached to a rear end portion of the base plate 8.

As shown in FIG. 3, the rotary drive device 10 has an electric motor 11, a reduction mechanism 12 having a worm and a worm wheel for reducing the rotation of the motor 11, and can intermittently rotate the rotation reduced by the reduction mechanism 12. And an electromagnetic clutch 14 for transmitting the rotation to the rotating shaft 13. The electromagnetic clutch 14 is in an excited state at the time of automatic opening and closing, so that the rotating shaft 13 and the reduction mechanism 12 are connected to each other.
2 is disconnected.

A sprocket 15 is fixed to the rotating shaft 13. This sprocket 15 is formed in a substantially columnar shape, and locking projections 15a are formed on the outer peripheral surface thereof at equal angular intervals as shown in FIG.

An annular drive tape 16 is mounted between the sprocket 15 and the pulley 9. The drive tape 16 is formed with locking holes 16a for engaging with the locking projections 15a of the sprocket 15 at regular intervals.

More specifically, the drive tape 16 is formed in an annular shape by connecting both ends of a tape made of a belt-shaped synthetic resin material with a tension device 17 as a moving body. The tension device 17 applies a predetermined tension to the drive tape 16 so that the drive tape 16 smoothly rotates between the sprocket 15 and the pulley 9.

A lower roller 17a is integrally connected and fixed to the tension device 17. In the longitudinal direction of the base plate 8, a guide rail 8a for guiding the movement of the lower roller 17a is formed. A door stay 2b provided below the slide door 2 is connected to the lower roller 17a.

When the electric motor 11 rotates to open the slide door 2 when the electromagnetic clutch 14 is in the excited state and the rotating shaft 13 and the speed reducing mechanism 12 are in the connected state, The sprocket 15 rotates clockwise, and the drive tape 1 rotates with the rotation.
6 rotates in the same direction. Then, the lower roller 17a moves rearward along the guide rail 8a with the rotation of the drive tape 16, and the sliding door 2 is opened.

Conversely, when the electric motor 11 rotates to close the slide door 2, the sprocket 15 rotates clockwise in FIG. 2, and the drive tape 16 rotates in the same direction with the rotation. Then, the drive tape 16
With the rotation of, the lower roller 17a moves forward along the guide rail 8a to close the slide door 2.

When the electromagnetic clutch 14 is in a non-excited state and the rotating shaft 13 and the speed reduction mechanism 12 are in a non-coupled state, when the sliding door 2 is manually opened, the lower roller 17a is driven by the guide rail. 8a, the drive tape 16 and the sprocket 15
Rotates counterclockwise at.

On the contrary, when the slide door 2 is manually closed, the lower roller 17a moves forward along the guide rail 8a, and the drive tape 16 and the sprocket 15 are moved.
Rotate clockwise in FIG.

As shown in FIG. 2, the base plate 8 is provided with a shaft 18 as guide means in the longitudinal direction of the plate 8. More specifically, as shown in FIGS. 5 and 6, the shaft 18 has a curl cord 19 as a power supply line configured to extend and contract like a spring, and both ends of the shaft 18 are attached to two clips 18 a. And is held at a predetermined height from the base plate 8. Incidentally, FIG. 2 shows a state where the curl cord 19 is extended on the shaft 18, and FIG. 7 shows a state where the curl cord 19 is completely contracted on the shaft 18. A stopper 18b is press-fitted and fixed to an outer portion of the shaft 18 held by the clip 18a.
8 is configured to prevent rattling.

One end of the curl cord 19 is connected to a battery 20 as a power supply provided in the vehicle shown in FIG.
Is electrically connected to A locking member 18c for locking to the shaft 18 is attached to one end of the curl cord 19, and one end of the curl cord 19 is fixed to a rear end of the shaft 18.

The other end of the curl cord 19 is provided with a connector 19a as shown in FIG.
Is fixedly inserted into the tension device 17. And
From the connector 19a inserted and fixed to the tension device 17, a wire 19b as connection means extends in the slide door 2 along the tension device 17 and the door stay 2b, and the wire 19b is connected to the controller 6 in the door. . That is, the other end of the curl cord 19 is
a to the controller 6 in the door.

The rotation shaft 13 is provided with a rotation sensor 22 for detecting the number of rotations of the rotation shaft 13 as shown in FIG. The rotation sensor 22 outputs a pulse signal synchronized with the rotation of the rotating shaft 13 to the slide door controller 21.

In addition to the steering wheel switch 3, a switch for operating the rotary drive unit 10 is provided as a driver's seat side opening / closing switch 23 near the driver's seat as shown in FIG. It is provided as a doorway opening / closing switch 24. Both switches 23 and 24 output an open / close command signal to the slide door controller 21 respectively.

Next, control of the slide door controller 21 will be described with reference to FIG. The slide door controller 21 detects the position of the slide door 2 by counting the pulse signals of the rotation sensor 22. That is,
Since the rotation shaft 13 rotates with the opening and closing of the slide door 2 regardless of whether it is “automatic” or “manual”, the slide door controller 21 is synchronized with the rotation of the rotation shaft 13 from the rotation sensor 22. Counting is performed based on the pulse signal, and the position of the sliding door 2 is always detected.

The slide door controller 21 receives a curl code 19 when a lock command signal for locking the slide door 2 is input from a door lock switch (not shown).
The door lock device 5 is locked via the in-door controller 6 connected to each other.

When the slide door 2 is automatically closed by the rotary drive device 10, the slide door controller 21 applies an external force of not less than a predetermined value to the pressure-sensitive switch 4, and outputs an external force detection signal based on the external force. When input via the in-door controller 6, it is determined that something has been caught between the door 2 and the vehicle body 1a. Then, the slide door controller 21 reversely drives the electric motor 11 of the rotary drive device 10 for a predetermined time to open the slide door 2 by a predetermined amount.

The slide door controller 21 is slid by the rotary drive unit 10 when an operation force detection signal, which has detected the operation force from the handle switch 3 provided on the grip portion 3a, is input via the in-door controller 6. The door 2 is opened and closed. That is, when the occupant opens the fully closed slide door 2 with the grip portion 3a, the slide door controller 21 rotates the slide door controller 21 based on the operation force detection signal from the handle switch 3 based on the operation force detection signal. 2 is opened. On the other hand, when the occupant closes the sliding door 2 that is being fully opened by the grip portion 3a, the sliding door controller 21 rotates the sliding door 2 based on the operation force detection signal from the handle switch 3 based on the operation force detection signal. Is closed.

The slide door controller 21 also controls the rotary drive 10 based on the open / close command signals from the driver's seat side open / close switch 23 and the entrance / exit side open / close switch 24.
The sliding door 2 is opened and closed via the.

As described above, when the slide door 2 is opened from the fully closed state shown in FIG. 2 in either “manual” or “automatic”, the curl cord 19 contracts on the shaft 18 with the opening operation of the slide door 2. Go out. When the slide door 2 is fully opened as shown in FIG. 7, the curl cord 19 is completely contracted.

On the other hand, when the sliding door 2 is closed from the fully open state shown in FIG. 7, the curl cord 19 is extended on the shaft 18 with the closing operation of the sliding door 2. When the slide door 2 is in the fully closed state shown in FIG.
The curl cord 19 is completely extended.

The curl cord 19 is guided by the shaft 18 and expands and contracts with the opening and closing operation of the slide door 2, so that the cord 19 does not interfere with the opening and closing operation of the slide door 2. That is, the curl code 19 does not hinder the opening / closing operation of the slide door 2.

In the present embodiment, the curl cord 19 configured as described above allows the vehicle body-side electric equipment (slide door controller 21, rotary drive device 10, battery 20, etc.) regardless of the open / closed state of the slide door.
It is possible to always electrically connect the sliding door-side electric equipment (the door controller 6, the handle switch 3, the pressure-sensitive switch 4, and the like).

As described above, this embodiment has the following features. (1) The curl cord 19 includes the battery 20 mounted on the vehicle body 1a and the sliding door side electric device (the door controller 6, the handle switch 3, the pressure sensitive switch 4, etc.).
The curl cord 19 is guided by the shaft 18 and expands and contracts with the opening and closing movement of the slide door 2. Therefore, regardless of the open / closed state of the slide door 2,
The curl cord 19 can always supply power from the battery 20 to the sliding door-side electric device. In addition, since the curl cord 19 is guided by the shaft 18 in accordance with the opening and closing movement of the slide door 2 and expands and contracts, the cord 19 does not interfere with the opening and closing operation of the slide door 2 and can be used for opening and closing the slide door 2. There is no hindrance.

(2) In this embodiment, in order to prevent the curl cord 19 from interfering with the opening / closing operation of the slide door 2, the curl cord 19 formed in a spring shape is mounted on the shaft 18. Thus, the configuration can be made easily.

(3) The handle switch 3 is disposed on grip portions 3a provided inside and outside the slide door 2 respectively. Then, the sliding door 2 is
By operating the handle switch 3 provided in a,
The automatic opening / closing operation is performed by the slide driving device 7. Therefore,
It is possible to reduce an uncomfortable feeling of the operator concerning the automatic opening / closing operation of the slide door 2.

(4) A pressure-sensitive switch 4 is attached to one side 2a in front of the slide door 2, and when an external force exceeding a predetermined value acts on the door 2, the pressure-sensitive switch 4 applies the external force. The detected external force detection signal is output to the slide door controller 21. And the sliding door controller 2
When the pressure-sensitive switch 4 detects an external force equal to or more than a predetermined value, the slide driving device 7 stops the further closing operation of the sliding door 2 and opens the door 2 by a predetermined amount. Let it. Therefore, the sliding door 2 and the vehicle body 1
a can be prevented beforehand.

(5) Further, since the pressure-sensitive switch 4 is provided on the slide door 2 side, it can easily respond to an external force, and it is ensured that the slide door 2 and the vehicle body 1a are pinched. Can be prevented beforehand.

(6) The drive tape 16 has locking holes 16a formed at equal intervals to transmit the rotational force of the sprocket 15. Therefore, the drive tape 16 can be formed more easily than a toothed shape, and can be formed at low cost.

It should be noted that the present invention is not limited to the above-described embodiment, and may be made as follows without departing from the spirit of the present invention. In the above-described embodiment, the door lock device 5, the pressure-sensitive switch 4, the handle switch 3, and the in-door controller 6 are mounted as electric devices in the slide door 2, but other electric devices such as a door closer device, a power window device, etc. A device may be mounted.

In the above-described embodiment, the spring-shaped curl cord 19 is used. However, a power supply line having another shape may be used. For example, a cable as a power supply line formed in a wavy shape as shown in FIG. 25 may be used. In this case, the cable 25 needs to be provided with a hole 25a for hanging around the shaft 18.

In the above embodiment, the curl code 19
Is mounted on a shaft 18 to expand and contract a curl cord 19.
Does not interfere with the opening / closing operation of the slide door 2, but other members may be used as long as the curl cord 19 can guide so as not to interfere with the opening / closing operation of the slide door.

In the above embodiment, the cord 19 is fixed to the rear end of the shaft 18 by the locking member 18c so that the curl cord 19 contracts based on the opening operation of the slide door 2. The cord 19 may be fixed to the front end of the shaft 18 by a locking member 18c so that the curl cord 19 contracts based on the closing operation.

In the above embodiment, the slide drive device 7 is disposed below the entrance 1b, but may be disposed above the entrance 1b or on the vehicle body 1a behind the entrance 1b. .

In the above embodiment, the present invention is applied to a sliding door of a vehicle, but may be applied to other general sliding doors.

[0056]

As described in detail above, according to the present invention,
Provided is a power supply structure for a slide door that can supply power to electrical devices disposed in the slide door even when the slide door is open and that does not hinder opening and closing operations of the slide door. can do.

[Brief description of the drawings]

FIG. 1 is a schematic view of a vehicle having a sliding door according to an embodiment.

FIG. 2 is a schematic configuration diagram of a slide drive device in a fully closed state.

FIG. 3 is a cross-sectional view of a rotary drive device.

FIG. 4 is a perspective view showing a sprocket.

FIG. 5 is a partially enlarged view showing a curl cord and a shaft.

FIG. 6 is a sectional view taken along line AA in FIG. 5;

FIG. 7 is a schematic configuration diagram of a slide drive device in a fully opened state.

FIG. 8 is a block diagram showing an electrical configuration diagram of the slide door opening / closing device.

FIG. 9 is a perspective view showing a cable and a shaft in another example.

[Explanation of symbols]

1a: vehicle body, 1b: doorway as opening, 2 ...
Slide door, 3 ... handle switch as electric equipment, 4 ... pressure-sensitive switch as electric equipment, 5 ... door lock device as electric equipment, 6 ... door controller as electric equipment, 11 ... electric motor, 17 ... movement Tension device as a body, 18 ... shaft as a guide means,
Reference numeral 19: a curl cord as a power supply line; 19b, wiring as connection means; 20, a battery as a power supply; 25, a cable as a power supply line.

Claims (4)

[Claims] 1. An opening (1b) by sliding.
Power supply structure for a sliding door that supplies power from an electric power source (20) disposed outside the door (2) to electric equipment (3 to 6) disposed on the sliding door (2) that opens and closes the door. A moving body (17) connected to the sliding door (2) and moving in the opening and closing direction of the door (2); one end of which is electrically connected to the power source (20); The opening (1b) is fixed to the end in the opening and closing direction in the opening and closing direction, and the other end is fixed to the moving body (17), and is configured to be expandable and contractable so as to expand and contract with the opening and closing movement of the slide door (2). Feed line (19, 2
5); and the power supply line (19, 2) fixed to the moving body (17).
5) a connecting means (19b) for electrically connecting the other end of the power supply to the electric device (3 to 6); and the power supply line (19, 25) is connected when the power supply line (19, 25) expands and contracts. Guide means (18) for guiding the power supply lines (19, 25) so as not to interfere with the opening and closing operation of the slide door (2). 2. The power supply structure for a slide door according to claim 1, wherein the guide means (18) is a shaft extending in an opening and closing direction of the slide door (2), and the power supply line (19, 25) is A power supply structure for a slide door, wherein the power supply structure is formed in a spring shape or a wave shape and is mounted on the shaft (18). 3. The power supply structure for a slide door according to claim 1, wherein the movable body (17) opens and closes the slide door (2) based on rotation of an electric motor (11). A power supply structure for a sliding door. 4. The power supply structure for a slide door according to claim 1, wherein the slide door (2) is a vehicle slide door slidably supported on a vehicle body (1a). A power supply structure for a sliding door.