JPH1018708A - Motor-driven sliding door for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate fitting to a vehicle body by arranging door pulling cables parallelly at a guide rail by a folding roller so as to form an integral assembled member in a motor-driven sliding door for a vehicle. SOLUTION: A door body is fixedly supported to a sliding member 10 movably provided at a guide rail 3. An electric motor 7 and a winding drum 8 are mounted in a vehicle body, and cables 9 piercing a through hole 1e bored in the vehicle body are led parallelly to the guide rail 3 by guide rollers 5, 6 and a folding roller 4 at an end part and connected to a cable connecting part 10a of the sliding member 10. The cables 9 positioned between the winding drum 8 and the guide rollers 5, 6 are covered with flexible outer cables 11 and energized by springs 12 to absorb the slackness of the cables 9. The electric motor 7, cables 9, guide rail 3, sliding member 10, and the like are thereby constituted as an integral assembled member 13 and fitted to the vehicle body.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention belongs to the technical field of an electric sliding door for a vehicle mounted on a one-box type or a van type vehicle.

[0002]

2. Description of the Related Art In general, in some vehicles of this type, there is a slide type in which a door body is guided by a guide rail and slid to open and close an entrance. And it is attempted to open and close this automatically using an electric motor, but as such,
Conventionally, the one shown in FIG. 5 is known. That is, in this apparatus, winding drums 16 and 17 for feeding and winding the cable 15 are provided on an output shaft 14a that rotates forward and backward by receiving the driving force of the electric motor 14, while sliding the door body. Guide rollers 19 for guiding the cable 15 along the guide rails 18 at both ends of the guide rails 18 provided on the vehicle body to be moved;
20 is provided, and the cable 15 is pulled out from the vehicle body at one end and the other end of the guide rail 18.

[0003]

However, in this case, since two holes H for drawing out the cable 15 must be provided in the vehicle body, the rigidity of the vehicle body cannot be reduced, and the cable 15 cannot be assembled. Requires the operation of passing through two holes H, and in this state, the cable 1
5 and the setting and management of the door body connection position of the cable 15 with respect to the initial extension state of the cable 15 are required, so that the mounting and adjustment work is cumbersome and complicated, and the number of steps is large and the workability is large. Is inferior. Furthermore, since the cable 15 is carried in the field in a hanging state, it is difficult to handle.
Here, there was a problem to be solved by the present invention.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in order to solve these problems in view of the above-mentioned circumstances, and has been developed to reduce the driving force of an electric motor provided inside a vehicle body. When the door body is connected to a cable that is drawn out endlessly from the drum that receives and rotates forward and backward, the door body is slid along with the movement of the cable. The wiring is arranged in a substantially parallel manner from the pulled-out position to the other end through one end of the guide rail provided to slide the door body, and is wired so as to be folded at the other end of the guide rail. . As a result, only one hole for the cable to penetrate the vehicle body needs to be provided, and the rigidity of the vehicle body is not impaired by the reduced number of holes. In this case, the present invention provides a guide roller at one end of a guide rail for guiding a pair of cables drawn out in a direction along the guide rail, and a guide roller at the other end of the guide rail in a direction along the guide rail. The folded cable may be provided with a folding roller that is suspended in a folded shape. Furthermore, in this invention, the present invention attaches a guide roller and a return roller to the guide rail,
The cable drawn out of the drum can be suspended in the guide roller and the return roller to be formed into one assembly part, whereby the work of adjusting the tension of the cable and the like before the installation to the vehicle body can be performed. And assemblability is improved. Furthermore, in this case, the present invention allows the cable between the drum and the guide roller to be covered with a flexible tube urged in the cable length direction, whereby the assembly part Can be easily handled.

[0005]

FIG. 1 shows an embodiment of the present invention.
This will be described with reference to FIGS. In the drawings, reference numeral 1 denotes a van-type vehicle main body, which is provided on one of the left and right sides (passenger seat side) of the vehicle main body 1 with a doorway 1a for getting on and off a rear seat. The implemented sliding door body 2 is assembled, and the door body 2 is guided so that the upper and lower ends on the door side are slid by auxiliary rails 1b and 1c provided at the upper and lower ends of the entrance 1a. Is set to

A guide rail 3 having a substantially U-shaped cross section is provided on the outer side surface of the vehicle body 1 located behind the entrance 1a, and the guide rail 3 is located on the entrance 1a side (front side of the vehicle). Is formed with a bent portion 3a bent in a curved shape toward the indoor side. A folding roller 4 is provided on a front bracket 3b provided integrally with a front end portion of the bent portion 3a, and a pair of first and second guides is provided on a rear bracket 3c provided at a rear end portion of the guide rail 3. Rollers 5 and 6 are provided side by side.

On the other hand, reference numeral 7 denotes an electric motor provided inside the vehicle body 1, and an output shaft 7a of the electric motor 7 is connected to a winding drum 8 via two-stage belt type reduction mechanisms 7b and 7c. The winding drum 8 has a cable 9
Are wound in an endless state. Incidentally, as the reduction mechanism, an appropriate mechanism such as a gear meshing type can be adopted as necessary. From the winding drum 8, a pair of cable pull-out portions 9a and 9b are pulled out in a substantially parallel state.
The cable pull-out portions 9a and 9b are suspended by the first and second guide rollers 5 and 6, respectively, guided and guided in the direction of the guide rail 3, and are wired so as to pass through the guide rail 3. The draw-out portion 9a is suspended around the return roller 4 in a folded state. Also, 1
Reference numeral 0 denotes a slide member movably provided on the guide rail 3. The slide member 10 has a door support portion for integrally supporting the cable connecting portion 10 a and the door body 2 to support the door body 2. 10b, the ends of the cable pull-out portions 9a and 9b are connected to the cable connecting portion 10, respectively, so that the pull-out portion side of the cable 9 is also in an endless state. The slide member 10 is set to move on the guide rail 3 based on the movement of the cable 9 due to the forward / reverse drive of the electric motor 7.

By the way, the drawn-out portions 9a and 9b pulled out from the winding drum 8 are covered with a flexible outer cable 11 from the winding drum 8 to the guide rollers 7 and 8. , The outer cable 11
Is attached to the rear bracket 3c via an outer receiver 11a. On the other hand, the other end of the outer cable 11 is attached to a casing 8a on which the winding drum 8 is supported so as to be urged in the cable length direction via an elastic machine 12, and Accordingly, members such as the electric motor 7, the cable 9, the guide rail 3, the slide member 10, and the rollers 4, 5, 6 are formed into an assembly part (assembly) 13 in a state where the cable 9 is held in a tensioned state. ing. And the assembly 13
Is to penetrate the guide rail 3 from the inside to the outside through a through hole 1e formed in the body 1d of the vehicle body 1, and then fix the penetrated guide rail 3 to the body 1d. The electric motor 7 is mounted in the vehicle body 1 by mounting the electric motor 7 in the body 1d, and the door support 10b
Is connected to the door body 2 to be assembled.

In the embodiment of the present invention configured as described above, the sliding door body 2 automatically slides and moves based on the forcible movement of the sliding member 10 accompanying the forward and reverse driving of the electric motor 7. The entrance 1a is opened and closed. In this case, the cable pull-out portions 9a, 9 pulled out of the winding drum 8 in order to forcibly move the door body 2 are provided.
b is wired in a substantially parallel state from the rear end to the front end of the guide rail 3 and is folded back at the front end of the guide rail 3, so that the cable 9 passes through the inside and outside of the vehicle body 1. It is only necessary to provide one through hole 1e for the cable, and the conventional cable is distributed in a distributed manner toward the front and rear ends of the guide rail.
There is no need for two through holes, and as a result, a reduction in the rigidity of the body 1d can be avoided accordingly.

As described above, according to the embodiment of the present invention, since the cables 9 passing through the inside and outside of the vehicle body 1 can be arranged in parallel to form one body through hole 1e, Can be handled as one assembly part 13 in which necessary parts in the section and the guide rail 3 are previously assembled. As a result, the adjustment of the tension of the cable 9 and the adjustment of the connection position of the door body 2 are performed after the assembly into the vehicle. Instead, it can be performed at the stage of the assembly part 13, so that the assemblability is improved and the workability is improved.

In addition, in this case, the winding bracket 8 of the cable pull-out portions 9a and 9b is connected to the rear bracket 3c.
The outer cable 11 covering the part leading to
The cable 9 is urged in the cable length direction to absorb the slack of the cable 9, so that the cable draw-out portions 9 a and 9 b of the assembly 13 from the winding drum 8 to the rear bracket 3 c are easily bent or bent. In addition, the cable 9 can be handled as rigid without being difficult to handle, and when the cable 9 is extended by use, the outer cable 11 bends by receiving the urging force of the elastic machine 12 to bend. It is convenient because it can be absorbed.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of a vehicle.

FIG. 2 is a front view of an assembled part.

FIG. 3 is a plan view of an assembly part.

FIG. 4 is an explanatory cross-sectional plan view showing a state where the assembled component is assembled into a body.

FIG. 5 is an explanatory perspective view of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vehicle main body 1a Doorway 2 Door body 3 Guide rail 3c Rear bracket 4 Folding roller 5 First guide roller 6 Second guide roller 7 Electric motor 8 Winding drum 9 Cable 9a Cable lead-out part 10 Slide member 11 Outer cable 13 Assembly parts

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Masanobu Shinoda 1-4-1 Chuo, Wako, Saitama Prefecture Inside Honda R & D Co., Ltd. (72) Kazunari Ochi 1-4-4 Chuo, Wako, Saitama Prefecture No. 1 Inside Honda R & D Co., Ltd.

Claims (4)

[Claims] A door body is connected to a cable that is drawn out endlessly from a drum that rotates forward and backward by receiving a driving force of an electric motor provided inside a vehicle body, and the door body slides as the cable moves. In order to move the door, the pair of cables pulled out from the drum are arranged substantially in parallel from the drum pull-out position to one end of a guide rail provided to slide the door body to the other end. An electric sliding door for a vehicle, which is wired so as to be folded at the other end of the guide rail. 2. The guide rail according to claim 1, further comprising a guide roller provided at one end of the guide rail to guide the pair of cables drawn out in a direction along the guide rail, and a guide roller at the other end of the guide rail. An electric sliding door for a vehicle, comprising a folding roller in which a cable guided in a loop is hung in a folded manner. 3. The vehicle according to claim 2, wherein the guide roller and the return roller are mounted on the guide rail, and a cable drawn from the drum is suspended by the guide roller and the return roller to form one assembly part. Electric sliding door. 4. The electric sliding door according to claim 3, wherein a cable between the drum and the guide roller is covered with a flexible tube urged in a cable length direction.