Switching device

Abstract

To provide an opening and closing device for vehicle sliding doors that offers improved versatility. [Solution] The opening and closing device 1 of the present disclosure comprises a guide member 10 attached to the vehicle body C1, a belt 20 rotatable along the guide member 10, a front pulley portion 30 attached to the front end of the guide member 10 for changing the direction of the belt 20, a rear pulley portion 40 attached to the rear end of the guide member 10 for changing the direction of the belt 20, a drive pulley portion 50 attached to the middle part of the guide member 10 for rotating the belt 20, and a roller bracket portion 60 that connects the sliding door C2 to the guide member 10 and moves the sliding door C2 along the guide member 10. The roller bracket portion 60 comprises a roller R and a belt mounting portion 60B1 for attaching the belt 20. The guide member 10 is a member in which a guide surface that guides the belt and a guide rail that guides the roller R are integrally formed.

Claims

1. An opening and closing device for opening and closing the sliding doors of a vehicle, The aforementioned switching device is A guide member that is attached to the vehicle body, A belt that can rotate along the guide member, A tip pulley portion is attached to the longitudinal end of the guide member and is used to change the direction of the belt, A rear end pulley portion is attached to the rear end of the guide member in the longitudinal direction and is used to change the direction of the belt, A drive pulley portion is attached to the middle of the guide member in the longitudinal direction and rotates the belt, The sliding door is connected to the guide member, and a roller bracket portion is provided for moving the sliding door along the guide member, The aforementioned roller bracket portion is Laura and, It includes a belt mounting section for attaching the aforementioned belt, An opening and closing device in which the guide member is a member in which a guide surface for guiding the belt and a guide rail for guiding the roller are integrally formed.

2. The aforementioned roller bracket portion is A bridging member attached to the aforementioned sliding door and holding a roller, The opening and closing device according to claim 1, further comprising the bridging member and a power transmission member attached to the belt, which transmits the rotation of the belt as the moving force of the sliding door.

3. The aforementioned drive pulley section is A mounting member attached to the guide member, A timing pulley is rotatably mounted on the aforementioned mounting member and rotates the belt, The mounting member is provided with a pair of snub pulleys rotatably spaced apart to adjust the winding state of the belt around the timing pulley, The opening / closing device according to claim 1 or claim 2, wherein the timing pulley and the snub pulley are provided at positions corresponding to the guide surface in the width direction of the guide member.

4. The aforementioned tip pulley portion is The tip pulley and, It comprises a tip contact portion that abuts against the tip of the guide member, and a tip pulley mounting portion for rotatably mounting the tip pulley, The aforementioned rear end pulley portion is Rear end pulley and The opening and closing device according to claim 1 or claim 2, further comprising a rear end contact portion that abuts against the rear end of the guide member, and a rear end pulley mounting portion for rotatably mounting the rear end pulley.

Images