JP2003253956A - Elevator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce the weight of an elevator as compared with conventional elevators and inexpensively prevent a drive member from slipping out of a guide member. <P>SOLUTION: A motor 2 is fixed to a vehicle door 21. An X-shaped arm 7 provided with a main arm 5 and a sub arm 6 is driven by the power of the motor 2. The X-shaped arm 7 is rotatably supported by a fixing guide 8 fitted to the vehicle door 21 at one end and the other end rises and falls. Sliding members 12, 13 are attached to the other side of the X-shaped arm 7 and slide on the guide face 9a formed in the main guide 9. In this case, a fixing guide 8 is fixed to the vehicle door 21 by a nut 18 in the side of the guide face 8a of the fixing guide 8. The nut 18 regulates a sliding range of the sliding members 11 and has a function preventing the sliding member 11 from coming off the guide face 8a. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevating device for elevating a movable member (for example, a window glass in a vehicle), and more particularly to a sliding member provided on a driven member by the operation of the elevating device. Is related to the structure of the guide member on which the slides.

[0002]

2. Description of the Related Art Conventionally, as an elevating device, for example, an elevating device called a window regulator device for elevating a window glass of a vehicle is known. This device is disclosed in, for example, Japanese Utility Model Laid-Open No. 4-24983, in which a window glass is moved up and down by using an X-shaped arm having a main arm and a sub arm.

In the window regulator device shown here, a main arm and a sub arm are X-shaped arms, and are pivotally supported so as to be rotatable relative to each other. A driven gear is attached to one end of the main arm, and a motor attached to the vehicle meshes with the driven gear, and the driven gear is driven by the motor. Further, a sliding body (first sliding member) is attached to one side of the sub arm, and the first sliding member slides within a first guide surface of a fixed guide (first guide member) fixed to the vehicle side. Move.

On the other hand, a sliding body (second sliding member) is attached to the other side of the main arm and the sub arm, and the second sliding member is a main guide (second guide member) for supporting the window glass. Slides in the second guide surface of the. With this configuration, when the driven gear is driven by the motor, the X-shaped arm including the main arm and the sub-arm operates while being supported by the fixed guide, and the second guide member performs the lifting operation.

In the above device, the second guide member has a second
Holders are attached to both ends of the second guide member to regulate the sliding range of the second sliding member within the guide surface. When the holder is slidably mounted and the holder for fixing the window glass to the second guide member is assembled, the bolts are inserted from the holder into the bolt holes formed at both ends of the second guide member, and are slid. It is configured to attach the holder by tightening the bolt.

[0006]

However, in the method of mounting the nut by sliding it after mounting the nut on the end of the second guide member, it is necessary to provide the second guide member with a sliding portion, and both ends are provided. The entire length becomes longer by the amount that the slide portion is formed.

Further, in a normal window regulator device, a sliding member is attached to one end of the X-shaped arm so as to slide on a guide surface of a fixed guide member that fixes and supports the X-shaped arm with respect to the vehicle door. The sliding member is arranged in the second guide surface from the side of the guide surface of the guide member. In this case, in order to prevent the sliding member from coming off the guide surface after the sliding member has been put into the guide surface, a catch-preventing claw portion is formed immediately next to the guide surface by press molding. The part is bent to prevent the sliding member from coming off the guide surface.

Further, when the window regulator device is attached to the vehicle, when the guide member for supporting the X-shaped arm is attached to the inner panel of the vehicle door,
The guide member is positioned with respect to the inner panel from the vehicle interior side, and then both ends of the guide member are attached by fastening members such as bolts.

As shown in FIG. 5, between the guide surface of the guide member and the nut, there is provided a loading portion for inserting the sliding member into the guide surface, and the first sliding member is provided in the guide surface. The method of inserting from the input part is adopted. For this reason, an inserting portion for inserting the sliding member into the guide surface is required between the first guide surface and the nut for fixing the guide member to the vehicle door, and thus the total length of the guide member is long. turn into.
Therefore, the weight is increased and the mounting space is restricted.

Therefore, the present invention has been made in view of the above-mentioned problems, and it is a technical problem to reduce the weight as compared with the prior art and to remove the sliding member from the guide member by an inexpensive method. And

[0011]

A first technical means taken to solve the above-mentioned problems is a driving means fixed to a fixing member, a driven member driven by the driving means, An elevating unit including a sliding member provided on a part of the driven member and an elevating member that has a guide surface, the sliding member slides on the guide surface, and elevates and lowers by the operation of the driven member. In the apparatus, a fastening member that restricts the sliding range of the sliding member and fixes the movable member to the elevating member is provided beside the guide surface.

According to the above-mentioned means, beside the guide surface,
Since a fastening member for restricting the sliding range of the sliding member and fixing the movable member to the elevating member is provided, the function of fixing the movable member to the elevating member by the fastening member beside the guide surface is provided. It is possible to have the function of restricting the sliding range of the sliding member and preventing the sliding member from coming off the guide surface. Therefore, the insertion portion for inserting the sliding member into the guide surface is not necessary for the guide member, and the total length does not become larger than in the conventional case. Further, it is possible to simultaneously fix the movable member with respect to the elevating member and regulate the sliding member by a simple and inexpensive method. In this case, it is not necessary to bend the claws to prevent the sliding member from coming off the guide surface.

A second technical means taken to solve the above-mentioned problems is a first fixing means which has a driving means fixed to a fixing member and a first guide surface, and which is fixed to the fixing member. A guide member, a first sliding member that slides on the first guide surface, an X-shaped arm provided with the first sliding member on one side and driven by the driving unit, and an X-shaped arm. It has a second sliding member provided on the other side and a second guide surface, and by the operation of the X-shaped arm, the second sliding member slides on the second guide surface, and the first guide. In an elevating device including a second guide member that elevates and lowers the member,
Beside the first guide surface, the sliding range of the first sliding member is regulated, and the first guide member is fixed to the fixing member, or beside the second guide surface. A fastening member that restricts the sliding range of the second sliding member and fixes the movable member to the second guide member is provided.

With the above structure, beside the first guide surface,
When a fastening member that restricts the sliding range of the first sliding member and fixes the first guide member to the fixed member is provided, the fastening member beside the first guide surface is the first guide member. It is possible to have both the function of fixing to the fixing member and the function of restricting the sliding range of the first sliding member and preventing the sliding of the first sliding member from the first guide surface. Therefore, the above-mentioned insertion portion of the sliding member is not necessary for the first guide member, and the total length does not become larger than the conventional one. Further, by a simple and inexpensive method, fixing the first guide member to the fixing member,
It is possible to simultaneously control the sliding range of the first sliding member.

When a fastening member for restricting the sliding range of the second sliding member and fixing the movable member to the second guide member is provided beside the second guide surface, the A fastening member beside the guide surface should have a function of fixing the movable member to the elevating member and a function of restricting the sliding range of the second sliding member to prevent the second sliding member from slipping off. Is possible. Therefore, the above-mentioned insertion portion of the sliding member is not necessary for the second guide member, and the total length does not become larger than in the conventional case. Also, by a simple and inexpensive method,
It is possible to fix the movable member to the elevating member and regulate the sliding range of the second sliding member at the same time.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a mounting view of a vehicle in which the lifting device 1 is applied to a window regulator device in a vehicle. In the present embodiment, the configuration in which the elevating device is applied to the window regulator device 1 will be described as an example, but the present invention is not limited to this. It can be applied to devices such as doors.

The vehicle window regulator device 1 shown in FIG. 1 is provided between a door inner panel 2 and a door outer panel of a vehicle door 21. The window regulator device 1 shown here includes an X-shaped arm 7 having a main arm 5 and a sub-arm 6, and the window glass 23 fixed above the X-shaped arm 7 is lifted and lowered by the lifting and lowering operation of the X-shaped arm 7. It is designed to let you.

In front of the door inner panel 22 of the vehicle door 21 (on the left side in FIG. 1), the base plate 3 is provided at a plurality of locations (for example, four locations) by fastening members 17 such as bolts.
Fixed by. The base plate 3 is provided with a motor 2 that serves as a drive source for moving the X-shaped arm 7 of the window regulator device 1 up and down, and a reduction mechanism 14 that meshes with the output shaft of the motor 2. The reduction mechanism 14 including a plurality of gears therein includes a pinion gear (not shown). The pinion gear of this reduction mechanism is based on the base plate 3
Meshes with the driven gear 4 having a fulcrum 10 at a part of the.
In other words, the driven gear 4 is rotatably supported around the fulcrum 10, and the tooth portion 4a formed on the outer peripheral surface meshes with the pinion gear, so that the driven gear 4 can rotate about the fulcrum 10. The driven gear 4 is fixed to a main arm 5 serving as a driven member, operates together with the main arm 5, and the driven gear 4 is rotated, whereby the main arm 5 is rotated.

In the width direction, the main arm 5 has approximately the same thickness up to the center, and becomes thinner from the center toward the tip. At the center of the main arm, the sub arm 6
Is centrally supported, and the main arm 5 and the sub-arm 6 constitute an X-shaped arm 7.

A fixed guide (first guide member) 8 is provided at both ends of the door inner panel 22 of the vehicle door 21.
It is fixed by fastening members 18 such as bolts and nuts at various places. The fixed guide 8 has a shape in which both ends are circular as shown in FIG. 3, and has a guide surface 8a having a substantially C-shaped axial cross section. The fixed guide 8 is fixed to the door inner panel 22 which is a fixed member of the vehicle, and is made by press molding or roll molding. The shape shown in FIG. 3 is produced by one press molding. The end of the guide surface 8a of the fixed guide 8 is circular, and a hole 8c for mounting the fixed guide is formed in the center thereof. The guide surface 8a extends in one direction and is attached parallel to the entire length direction of the vehicle. Further, the end portion of the guide surface 8a has a half-shaped notch 8d along a circular shape, and the notch 8d continuously extends from the guide surface 8a in an arc shape. Further, the longitudinal end portion of the fixed guide 8 has a positioning portion 8e that is bent on the side opposite to the guide surface 8a. With this positioning portion 8e,
The fixed guide 8 is positioned and attached to a predetermined position of the door inner panel 22.

The X-shaped arm 7 will be described in more detail. A cubic sliding member 11 made of resin that slides along the guide surface 8a of the fixed guide 8 is formed by a pin or the like on one side of the sub-arm 6. It is attached to the (lower) end. A sliding member 12 having a cubic shape similarly to this is attached to the other end (upper side in FIG. 2) of the sub arm 6 by a pin or the like. Similarly to this,
On the other (upper) end of the main arm 5, a sliding member 13 also having a cubic shape is attached by a pin or the like. In this way, the sliding members 12 and 13 attached to the upper end of the X-shaped arm 7 can slide within the guide surface 9a formed on the guide member 9 having a substantially C-shaped axial cross section.

In the guide member 9 disposed above the X-shaped arm 7, holders (not shown) attached to several places (for example, two places) at the lower end of the window glass 23 serving as a movable member are used as main guides (first). 2 guide member) 9 is fixed to the mounting holes provided at both ends of the guide member 9 by fastening members such as bolts and nuts. As a result, the window glass 23 is attached to the guide member 9.

Next, the operation of the window regulator device 1 will be described.

In the window regulator device 1 having the above-mentioned structure, the base plate 3 having the motor 2 attached thereto and the fixed guide 8 are fixed to the door inner panel 22. For example, when the main arm 5 is actuated by driving the motor 2, the sub arm 6 is moved along with the movement of the main arm 5 and the central fulcrum
It rotates about 4 and operates. One end of the X-shaped arm 7 is in a state in which the lower portion of the window regulator device 1 is supported by the fixed guide 8, and when the motor 2 is driven therein, the speed reducing mechanism 14 meshing with the output shaft of the motor 2 outputs the motor output. The rotation of the shaft is decelerated and transmitted to the pinion gear, and the driven gear 4 operates. As a result, when the driven gear 4 rotates about the fulcrum 10, the main arm 5 fixed to the driven gear 4 operates and the X-shaped arm 7 moves up and down. In this case, the sliding member 11 attached to the lower end of the sub arm 6 slides along the guide surface 8a of the fixed guide 8, and the main guide 9 to which the lower end of the window glass 23 is fixed is the X-shaped arm 7 The sliding members 12 and 13 attached to the upper end of the sliding member slide along the guide surface 9a of the main guide 9.

Specifically, when lowering the window glass 23, the driver opens the open / close switch (not shown) provided in the passenger compartment. When the motor 2 is driven in one direction by the opening operation of the open / close switch, the sliding member 11 moves the guide surface 8a of the fixed guide 8 in the right direction shown in FIG. At the same time, the sliding members 12 and 13 move on the guide surface 9a of the main guide 9 in directions away from each other, whereby the main guide 9 descends and the window glass 23 descends.

On the other hand, when raising the window glass 23, the driver closes the open / close switch (not shown). When the motor 2 is driven in the direction opposite to the above direction by the closing operation of the open / close switch, the sliding member 11 moves the guide surface 8a of the fixed guide 8 to the left as shown in FIG. At the same time, the sliding members 12 and 13 move on the guide surface 9a of the main guide 9 toward each other, so that the main guide 9 rises and the window glass 23 rises.

In this way, when the X-shaped arm 7 moves up and down, the range in which the main guide 9 can be moved up and down with respect to the fixed guide 8 is the length of the guide surface 8a of the fixed guide 8 and the guide of the main guide 9. It is determined by the length of the surface 9a. In this case, the sliding range of the sliding member 11 on the guide surface 8a, the sliding range of the sliding members 12 and 13 on the guide surface 9a, and the sliding of the sliding members 11, 12 and 13 on the guide surface 8a, The problem that it comes off from 9a is
It is determined by the fastening members 18 and 19 such as bolts and nuts on both ends of the respective guide surfaces 8a and 9a, and is eliminated.

That is, in the present embodiment, when the fixed guide 8 is fixed when it is attached to the door inner panel 22, the sliding member 11 is provided inside the guide surface 8a of the fixed guide 8 in the longitudinal direction (see FIG. 2). After inserting from the hole 8c for mounting on the vehicle, the center of the nut 18 having the annular recess 18a formed on one side (the side to be mounted on the fixed guide 8) is set to the center of the hole 8c. Then, the nut 18 is fixed to the fixed guide 8 by caulking the outer periphery of the mounting hole 8c in the recess 18a of the nut 18. As a result, the nut 18 is integrated with the fixed guide 8. This is configured to be fixed to the door inner panel 22 with a fastening member such as a bolt.

Further, the holder mounting hole of the main guide 9 for fixing the lower end of the window glass 23 may have the same structure as that shown in FIG. That is, when the window glass 23 is attached to the main guide 9,
After inserting the sliding members 12 and 13 from the longitudinal direction (lateral direction shown in FIG. 2) into the guide surface 9a of the window glass 2
With respect to the mounting hole 9c for mounting 3, the center of the nut 19 in which the annular recess 19a is formed on one side (the side to be mounted on the main guide 9) is positioned at the center of the hole 9c, and the nut 19 is recessed in the recess 19a. The nut 19 is fixed to the main guide 9 by caulking the outer periphery of the mounting hole 9c. As a result, the nut 19 is integrated with the main guide 9. The window glass 23 is fixed to the main guide 9 by fastening members such as nuts and bolts.

That is, in this embodiment, the guide surface 8a
When a fastening member 18 for restricting the sliding range of the sliding member 8a and fixing the fixed guide 8 to the door inner panel 22 is provided beside, the fastening member 18 beside the guide surface 8a is , The fixed guide 8 to the door inner panel 22
It is possible to have both the function of fixing with respect to and the function of restricting the sliding range of the sliding member 11 and preventing the sliding member 11 from coming off from the guide surface 8a. Therefore, there is no need for an insertion portion for inserting the sliding member 11 in the guide surface, and the total length of the fixed guide 8 does not become larger than in the conventional case. Further, the fixing guide 8 can be fixed to the door inner panel 22 and the sliding range of the sliding member 11 can be restricted at the same time by a simple and inexpensive method.

The sliding member 1 is provided beside the guide surface 9a.
The sliding range of 2 and 13 is regulated, and the main guide 9
When the fastening member 19 for fixing the window glass 23 is provided with respect to, the fastening member 19 beside the guide surface 9a
It is possible to have both the function of fixing the window glass 23 to the main guide 9 and the function of restricting the sliding range of the sliding members 12 and 13 to prevent the sliding members 12 and 13 from coming off from the guide surface 9a. Therefore, the main guide 9 does not need an insertion portion for inserting the sliding members 12, 13 into the guide surface 9a, and the total length of the main guide 9 does not become larger than in the conventional case. Also,
By a simple and inexpensive method, the window glass 23 can be fixed to the main guide 9 and the sliding range of the sliding members 12 and 13 can be restricted at the same time.

[0032]

According to the first invention, beside the guide surface,
Since a fastening member for restricting the sliding range of the sliding member and fixing the movable member to the elevating member is provided, the function of fixing the movable member to the elevating member by the fastening member beside the guide surface is provided. It is possible to have the function of restricting the sliding range of the sliding member and preventing the sliding member from coming off the guide surface. Therefore, the insertion part that inserts the sliding member into the guide surface is
It is not necessary for the guide member and the total length does not become larger than in the past. Further, by a simple and inexpensive method, it is possible to simultaneously fix the movable member to the elevating member and regulate the sliding member. In this case, it is not necessary to bend the claws to prevent the sliding member from coming off the guide surface.

According to the second aspect of the invention, a fastening member for restricting the sliding range of the first sliding member and fixing the movable member to the elevating member is provided beside the first guide surface. In this case, the fastening member on the side of the first guide surface has a function of fixing the first guide member to the fixing member, restricts the sliding range of the first sliding member, and prevents the first sliding member from coming off from the first guide surface. It can also have the function to prevent. Therefore, the above-mentioned insertion portion of the sliding member is not necessary for the first guide member, and the total length does not become larger than the conventional one. Further, it is possible to simultaneously fix the first guide member to the fixing member and regulate the sliding range of the first sliding member by a simple and inexpensive method.

When a fastening member for restricting the sliding range of the second sliding member and fixing the movable member to the second guide member is provided beside the second guide surface, the Having a function of fixing the movable member to the elevating member and a function of restricting the sliding range of the second sliding member to prevent the second sliding member from slipping off from the second guide surface by a fastening member beside the guide surface. You can Therefore, the above-mentioned insertion portion of the sliding member is not necessary for the second guide member, and the total length does not become larger than in the conventional case. Further, by a simple and inexpensive method, it is possible to simultaneously fix the movable member with respect to the elevating member and regulate the sliding range of the second sliding member.

[Brief description of drawings]

FIG. 1 is an attachment diagram of a case where an elevating device according to an embodiment of the present invention is attached to a vehicle door.

FIG. 2 is a front view showing the configuration of the window regulator device shown in FIG.

3A and 3B are diagrams showing the shape of the fixed guide shown in FIG. 2, in which FIG. 3A is a front view and FIG. 3B is a side view.

FIG. 4 is a partial enlarged view of a main part when a nut is caulked and integrated with the fixed guide or the main guide shown in FIG.

FIG. 5 is a diagram showing the shape of a fixed guide of the related art;
(A) is a front view and (b) is a side view.

[Explanation of symbols]

1. Window regulator device (elevating device) 2 ... Motor (drive means) 4 Driven gear 5: Main arm 6 ... Sub arm 7: X-shaped arm (driven member) 8: Fixed guide (first guide member) 8a ... Guide surface (first guide surface) 9a ... Guide surface (second guide surface) 9: Main guide (elevating member, second guide member) 11 ... Sliding member (first sliding member) 12 ... Sliding member (second sliding member) 18, 19 ... Nut (fastening member) 21 ... Vehicle door 22 ... Door inner panel (fixing member) 23 ... Window glass (movable member)

Claims (2)

[Claims] 1. A drive unit fixed to a fixed member, a driven member driven by the drive unit, a sliding member provided on a part of the driven member, and a guide surface, An elevating device including a moving member that slides on the guide surface and moves up and down by the operation of the driven member, wherein a sliding range of the sliding member is regulated beside the guide surface. An elevating device comprising a fastening member for fixing a movable member to the elevating member. 2. A drive unit fixed to a fixed member, a first guide member having a first guide surface, fixed to the fixed member, and a first sliding member sliding on the first guide surface. An X-shaped arm provided with the first sliding member on one side and driven by the driving means, a second sliding member provided on the other side of the X-shaped arm, and a second guide surface. And a second guide member that moves the second slide member along the second guide surface to move up and down with respect to the first guide member by the operation of the X-shaped arm. A side of the first guide surface restricts a sliding range of the first sliding member and fixes the first guide member to the fixing member, or a side of the second guide surface. And restricts the sliding range of the second sliding member, and with respect to the second guide member. A lifting device comprising a fastening member for fixing a movable member.