JP2009297658A - Door fixing jig - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To minimize a size and solidly fix the steady rotation of a door in regard to a door fixing jig fixing the rotation of the door to an automobile body in a process of coating the automobile body. <P>SOLUTION: The door fixing jig is provided with a guide tube 2 supported by a main body frame 1 attached to the automobile body W and extending nearly vertically, a hook-shaped fixed arm 3 having an axis part 3a inserted vertically movably and rotatably into the guide tube 2, and a guide groove 5 formed at the side part of the guide tube 2, through which a guide pin 6 standing from the axis part 3a is inserted. The rotation of the door D to the automobile body W is fixed by engaging a detent part 3b in the vicinity of the rotation end t of the door D through descending the fixed arm 3 along the guide groove 5, and the door D can be rotated to the automobile body W by moving the detent part 3b away from the vicinity of the rotation end t of the door D through ascending the fixed arm 3 along the guide groove 5 from a fixed state. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a door fixing jig that fixes the rotation of a door with respect to a vehicle body in a painting process of an automobile body. In particular, the jig can be downsized and the rotation of the door can be securely fixed without rattling. The present invention relates to a door fixing jig that can be used.

2. Description of the Related Art Conventionally, in a painting process for an automobile body, painting is performed with the door attached to the vehicle body in order to make the color tone and luster of the paint on the door and the body surface the same.
In the coating process, for example, in the intermediate coating and top coating processes, in order to make the color tone and gloss of the paint the same as described above, the door is fixed in a closed state with respect to the vehicle body, and various coating processes are performed.
On the other hand, in the sealer application process or the like, the door is unlocked, the door is opened, and a sealer material is applied to the inner plate, the floor surface of the vehicle body, or the like.
And when conveying a vehicle body, in order to prevent that a door rotates and interferes with a wall surface etc. by the vibration of a conveyor, etc., it is necessary to fix rotation of a door firmly with respect to a vehicle body.

A door fixing jig disclosed in Patent Document 1 has a main body frame attached to the vicinity of a rotating end of a door in a vehicle body, and a hook-shaped fixing arm is supported on the main body frame so as to swing up and down. Is inserted between the inner panel and the outer panel of the door from above to fix the rotation of the door relative to the vehicle body.
JP 2004-113872 A

However, in the configuration of Patent Document 1, the main body frame is located in the vicinity of the rotating end of the door. However, in order to smoothly insert the locking portion of the up-and-down swing type fixed arm into the door, the length of the fixed arm is set. It is necessary to secure a large amount. For this reason, the locking portion of the fixed arm is engaged with a position separated from the rotating end portion of the door, and there is a problem that rattling is likely to occur when the door is fixed, and the jig is easily increased in size. is there.
In addition, when the door is temporarily opened while the jig is attached to the vehicle body and work is performed on the inside thereof, the fixed arm is held in a state of swinging upward. There is a problem that it is difficult to perform various operations due to the large size.

  Accordingly, an object of the present invention is to reduce the size of the jig in the door fixing jig for fixing the rotation of the door with respect to the vehicle body in the painting process of the automobile body, and to securely fix the rotation of the door without rattling. And

  As a means for solving the above problems, the invention described in claim 1 is a door fixing jig for fixing rotation of a door (for example, the door D of the embodiment) with respect to the vehicle body (for example, the vehicle body W of the embodiment) in the painting process of the automobile. (For example, the door fixing jig J of the embodiment), and a main body frame (for example, the main body frame 1 of the embodiment) attached in the vicinity of the rotating end portion (for example, the rotating end portion t of the embodiment) of the door in the vehicle body; A guide cylinder (for example, the guide cylinder 2 of the embodiment) supported by the main body frame and extending substantially vertically, and a shaft portion (for example, the shaft portion 3a of the embodiment) that is inserted into the guide cylinder so as to be movable up and down and rotatable. ) Having a hook-shaped fixed arm (for example, the fixed arm 3 of the embodiment) and a guide pin (for example, the guide pin 6 of the embodiment) standing up from the shaft portion. Guide groove (eg A guide groove 5) of the embodiment, and the fixed arm extends outward from the upper end side of the shaft portion protruding on the guide tube (for example, the construction portion 3c of the embodiment), and the construction portion The guide groove extends vertically up and down on the side of the guide tube to move the guide pin up and down. A vertical movement guide part (for example, the vertical movement guide part 5a in the embodiment) that guides as much as possible, and extends from the upper end side of the vertical movement guide part so as to be orthogonal thereto, so that the guide pin rotates about the shaft part. A rotation guide portion for guiding (for example, the rotation guide portion 5c of the embodiment), attaching the main body frame to the vehicle body, and lowering the fixed arm along with the guide pin along the vertical movement guide portion, The locking part is engaged near the rotating end of the door. Then, the rotation of the door with respect to the vehicle body is fixed, and the fixed arm is lifted along the vertical movement guide portion together with the guide pin from the fixed state, so that the locking portion is moved from the vicinity of the rotation end portion of the door. The door can be turned relative to the vehicle body, the body frame can be attached to and detached from the vehicle body, and the fixing arm is rotated together with the guide pin toward the distal end side of the rotation guide portion. The stop portion is held at a position separated from the rotating end portion of the door.

  According to a second aspect of the present invention, there is provided a guide member (e.g., an embodiment) for guiding the guide pin to move up and down together with the vertical movement guide portion on the side portion of the guide cylinder. An example guide member 7) is provided.

According to the first aspect of the present invention, by moving the hook-shaped fixed arm up and down to engage and disengage from the door, the fixed arm is attached to the door as compared with the case of using the vertical swing type fixed arm. On the other hand, it is possible to smoothly engage and disengage, the length of the fixed arm can be reduced, and the jig can be downsized. Further, by engaging the fixed arm in the vicinity of the rotation end of the door, the rotation of the door can be reliably fixed without rattling.
Furthermore, by holding the locking portion of the fixed arm that is detached and raised from the door at a position separated from the rotating end of the door, the body frame can be easily attached to and detached from the vehicle body, and the jig is attached to the vehicle body. The fixed arm does not get in the way when the door is opened and the work is performed while the door is attached, and the fixed arm is downsized so that it can be easily lifted and lowered, and the workability in the painting process can be improved.

  According to the second aspect of the present invention, the vertical movement guide portion is in sliding contact with the proximal end side of the guide pin, and the guide member is in sliding contact with the intermediate portion of the guide pin, so that the guide pin and thus the fixed arm are not rotated. It can be moved up and down reliably.

  Embodiments of the present invention will be described below with reference to the drawings. Note that the directions such as front, rear, left and right in the following description are the same as those in the vehicle unless otherwise specified. In the figure, the arrow FR indicates the front of the vehicle, the arrow LH indicates the left side of the vehicle, and the arrow UP indicates the upper side of the vehicle.

  FIG. 9 is a perspective view of the periphery of the side opening K that is opened and closed by the left side door LD in the vehicle body W of the automobile (vehicle), as viewed from the rear side of the vehicle interior. The left side door LD has a door main body (hereinafter simply referred to as a door) D mainly composed of an outer panel D2 and an inner panel D1. The door D is in a closed state in which the side opening K is closed in a state where the outer surface thereof is substantially aligned with the outer surface of the vehicle body W in the front-rear direction (see FIG. 6). The front end portion of the door D is supported by a front end portion of the side opening K via a door hinge (not shown), and thus the door D rotates (opens / closes) so as to displace the rear end portion left and right. Hereinafter, the rear end portion of the door D is referred to as a rotation end portion t.

The upper edge of the door D is provided with an opening (gap) D3 for raising and lowering a door glass (not shown). The opening D3 is formed between the upper edges of the outer panel D2 and the inner panel D1, and has a predetermined left-right width and extends in the front-rear direction. In this embodiment, the left side of the vehicle body will be described as an example, but the right side of the vehicle body is assumed to be symmetrical left and right. Further, the vehicle body W of this embodiment does not have a center pillar behind the left side door LD, and forms a rear end portion of the side opening K by a stiffener S (body side inner panel). The vehicle body may have a pillar.
And the door fixing jig J which fixes rotation of the door D to a closed state is attached to the stiffener S which forms the rear-end part of the side part opening K in the vehicle body W from the vehicle inner side.

  1-4, the door fixing jig J fixes the rotation of the door D with respect to the vehicle body W in the automobile painting process, and is positioned near the rotation end t of the door D in the vehicle body W. A main body frame (substrate) 1 attached to the stiffener S, a cylindrical guide tube 2 supported by the main body frame 1 and extending substantially vertically, and capable of moving up and down in the guide tube 2 and rotating coaxially therewith. A hook-shaped fixed arm 3 having a shaft portion 3a that can be inserted, and a guide groove 5 formed on a side portion of the guide tube 2 so as to insert a guide pin 6 standing on the outer peripheral side from the shaft portion 3a. , Provided.

  The main body frame 1 is formed in a substantially L shape by bending the upper end side of the belt-shaped steel plate, and has a base portion 1a having a vertically long rectangular shape along the side surface of the stiffener S, and the base portion 1a. And an upper wall portion 1d that stands on the vehicle inner side from the upper end portion. On the front side near the lower end of the surface (back surface) on the stiffener S side of the base portion 1a, a hook member 1c that can be engaged obliquely from above is provided in an interior part mounting hole formed on the side surface of the stiffener S. The On the other hand, on the rear side of the upper and lower middle part of the base part 1a, a pin member P that can be engaged from the side in a hole for attaching an interior part formed on the side surface of the stiffener S is provided. While the hook member 1c is fixedly provided on the base portion 1a by welding or the like, the pin member P is screwed to the base portion 1a so that the protrusion amount can be adjusted, and the protrusion amount of the pin member P is adjusted. The knob P1 to project is provided on the side opposite to the stiffener S. In addition, you may provide the pin member P fixedly similarly to the hook member 1c.

  The guide tube 2 is made of a straight round steel pipe and is arranged apart from the inside of the base portion 1a of the main body frame 1. The upper portion of the guide tube 2 is supported on the front side of the front end of the upper wall portion 1d of the main body frame 1, and the upper and lower intermediate portions of the guide tube 2 are supported from the upper and lower intermediate portions of the base portion 1a (shown only in FIG. 2). It is supported by the main body frame 1 via.

  The fixed arm 3 is formed by bending a round bar-shaped steel material, and the linear shaft portion 3a inserted into the guide tube 2 and the upper end portion of the shaft portion 3a protruding on the guide tube 2 are removed from the fixed arm 3. It has a construction part 3c that bends and extends substantially horizontally, and a locking part 3b that bends and extends substantially vertically downward from the tip of the construction part 3c.

  The erection part 3c is a first straight part that bends and extends forward from the upper end of the shaft part 3a in a state where the rotation of the door D is fixed in a closed state by the door fixing jig J (hereinafter referred to as a door fixing state). Obstacles such as the vehicle body W and the door D in the fixed state of the door. , The engaging portion 3b is engaged with the opening D3 of the door D.

  From the front end portion of the second linear portion 3c2, the locking portion main body 3e is bent downward and extends. A locking member 3f made of the same steel material is disposed adjacent to the front of the locking portion main body 3e in the door fixed state, and the locking portion main body 3e and the locking member 3f are joined together by welding. The stop part 3b is comprised. This latching | locking part 3b is inserted from upper direction in the opening D3 for door glass raising / lowering of the door D upper edge part. Tapered tapered surfaces 3g are formed on the left and right sides of the front end side of the locking portion 3b in the door fixed state, and the insertion from above into the opening D3 sandwiched from the left and right by the upper edge portions of the outer panel D2 and the inner panel D1. Making it easy.

  A screw hole 3d is formed on the right side (vehicle inner side) of the upper and lower intermediate portions of the shaft portion 3a in the door fixed state, and the base end of the guide pin 6 that penetrates the right side portion of the guide cylinder 2 is formed in the screw hole 3d. The part (screw part) 6a is detachably screwed and fixed. The guide pin 6 is a round bar having a slightly smaller diameter than the width of the guide groove 5, and protrudes outside the guide cylinder 2 along the radial direction of the shaft portion 3 a and the guide cylinder 2, and the guide pin 6 extends along the guide groove 5. The movement of the shaft portion 3a and thus the fixed arm 3 is defined.

  The guide groove 5 extends vertically along the axis of the guide tube 2 so as to guide the guide pin 6 to move only up and down, and from the upper end of the up and down guide portion 5a. And a rotation guide portion 5c that extends rearward along the circumferential direction of the guide tube 2 and guides the guide pin 6 so as to rotate only about the center of the shaft portion 3a. A semicircular recess 5b (lock groove) capable of engaging with the guide pin 6 is formed on the lower side of the distal end portion of the rotation guide portion 5c.

  A guide member 7 that guides the guide pin 6 to move only in the vertical direction together with the vertical movement guide portion 5a of the guide groove 5 is integrally welded to the right side portion of the guide tube 2. The guide member 7 has front and rear guide portions 7a and 7b that respectively extend along both sides (front and rear edge portions) in the width direction of the vertical movement guide portion 5a. The front and rear guide portions 7 a and 7 b stand parallel to each other along the left-right direction from the right side portion of the guide tube 2. The width between the front and rear guide portions 7a and 7b is the same as the width of the vertical movement guide portion 5a, and the front and rear guide portions 7a and 7b guide the middle portion in the longitudinal direction to move the guide pin 6 up and down.

  That is, the front and rear edge portions of the vertical movement guide portion 5a guide the base end side of the guide pin 6 to move up and down, and the front and rear guide portions 7a and 7b that stand up from the front and rear edge portion of the vertical movement guide portion 5a are the guide pins 6. Guide the middle part of the to move up and down. Thereby, the rotation of the guide pin 6 and thus the fixed arm 3 is effectively suppressed, and the fixed arm 3 moves up and down stably. In addition, the lower part of the front-rear guide parts 7a and 7b extends below the lower end of the vertical movement guide part 5a, and the lower end part is connected in a U shape in a side view, thereby constituting an integral guide member 7.

  A protective cylinder 8 having a cylindrical shape coaxial with the guide cylinder 2 is attached to the upper end portion of the guide cylinder 2. The protective cylinder 8 is made of, for example, a round steel pipe, is shorter and larger in diameter than the guide cylinder 2, and is welded to the upper wall 1d of the main body frame 1 in a state of being arranged so as to cover the outer periphery of the upper end of the guide cylinder 2. Is done. The protective cylinder 8 makes it difficult for paint to enter the guide cylinder 2 when the vehicle body W is painted, and the paint that has entered solidifies and falls when the fixed arm 3 is operated and adheres to the vehicle body W. Suppresses the occurrence of

Next, the operation will be described with reference to FIGS.
First, in the painting process of the automobile body, when the door fixing jig J is attached to the vehicle body W on the conveyor to fix the door D in the closed state, the back surface of the base portion 1a of the main body frame 1 is attached to the stiffener. The main body frame 1 is brought into contact with the side surface of the stiffener S by making the hook member 1c and the pin member P protruding from the rear surface approach each other along holes formed on the side surface of the stiffener S. Install.

  At this time, as shown in FIG. 5, the fixed arm 3 is lifted along the vertical movement guide portion 5a together with the guide pin 6, and the locking portion 3b is separated upward from the upper edge portion of the door D. As indicated by a chain line in FIG. 6, the fixed arm 3 is rotated together with the guide pin 6 along the rotation guide portion 5c toward the tip thereof, and the locking portion 3b is further moved to the vehicle interior side. As a result, the lowering of the locking portion 3b due to the weight of the fixed arm 3 is restricted.

  Further, in the state where the lowering of the locking portion 3b is restricted as described above, the guide pin 6 is caused to fall into the concave portion 5b by its own weight as shown by a chain line in FIG. 7 (see FIG. 8). Further, the rotation of the locking portion 3b to the outside of the vehicle is also restricted. That is, the locking portion 3b of the fixed arm 3 is held at a position spaced apart from the upper edge of the door D and toward the inside of the vehicle, so that the door fixing jig J can be easily attached to the vehicle body W, and Interference with the door D, the vehicle body W, etc. of the whole fixed arm 3 is suppressed.

  After the main body frame 1 is attached to the vehicle body W as described above, the fixed arm 3 is slightly raised from the state shown in FIG. 8 to release the engagement of the guide pin 6 with the recess 5b (see FIG. 7). The fixed arm 3 is rotated about the shaft portion 3a to move the locking portion 3b directly above the upper edge of the door D in the closed state (see FIG. 6), and then the fixed arm 3 is moved to the guide pin 6 At the same time, the locking portion 3b is inserted into the opening D3 from above in the vicinity of the rotating end t of the door D in the closed state by being lowered along the vertical movement guide portion 5a (see FIG. 5).

  Then, the locking portion 3b of the fixed arm 3 comes into contact with the upper edge portion of the inner panel D1 from the inside of the opening D3 (the vehicle outer side) to restrict the rotation of the door D in the opening direction (see FIG. 9). The rotation of D is fixed in the closed state.

  At this time, the guide pin 6 abuts on the inner periphery r (see FIGS. 7 and 8) of the lower end of the vertically moving guide portion 5a, so that the lowering of the fixed arm 3 is stopped (the lower limit position is defined), and the installation portion 3c. Does not contact the upper edge of the door D. And since the latching | locking part 3b of the fixed arm 3 engages in the rotation edge part t vicinity of the door D, rotation of this door D is fixed reliably without rattling.

  In this embodiment, the rotation of the door D in the closing direction is restricted by inserting a stopper member made of rubber or the like between the door D and the vehicle body W, but a member having the same function is fixed to the door. The tool J may be provided.

  Further, when the door D is temporarily opened while the door fixing jig J is attached to the vehicle body W and work is performed on the inside thereof, the fixing arm 3 is raised as shown in FIG. It is extracted from the opening D3 of the door D and separated upward, and the fixed arm 3 is rotated as shown in FIG. 6 to move the locking portion 3b further to the vehicle interior, and the guide pin 6 is recessed as shown in FIG. By engaging with 5b and holding the state where the rotation and lowering of the fixed arm 3 are restricted, the fixed arm 3 does not hinder the work on the inside of the door D. Further, if the engagement of the hook member 1c and the pin member P with the stiffener S is released from this state, the main body frame 1 and thus the door fixing jig J can be easily detached from the vehicle body W.

  As described above, the door fixing jig J in the above embodiment fixes the rotation of the door D relative to the vehicle body W in the automobile painting process, and is in the vicinity of the rotation end t of the door D in the vehicle body W. A main body frame 1 attached to the main body frame, a guide cylinder 2 supported by the main body frame 1 and extending substantially vertically, and a shaft-shaped fixed member having a shaft portion 3a inserted into the guide cylinder 2 so as to be movable up and down and rotatable. An arm 3 and a guide groove 5 formed in a side portion of the guide tube 2 so as to insert a guide pin 6 erected from the shaft portion 3a. The fixed arm 3 protrudes on the guide tube 2 A shaft portion 3a extending outwardly from the upper end side of the shaft portion 3a, and a locking portion 3b extending substantially vertically downward from the distal end side of the mounting portion 3c. The guide pin extends vertically up and down A vertical movement guide portion 5a that guides the guide pin 6 to move up and down, and a guide guide 6 that extends from the upper end side of the vertical movement guide portion 5a so as to be orthogonal to the upper guide portion 5a so as to rotate the guide pin 6 about the shaft portion 3a. The main body frame 1 is attached to the vehicle body W, and the fixed arm 3 is lowered together with the guide pins 6 along the vertical movement guide portion 5a, whereby the locking portion 3b is attached to the door D. By engaging in the vicinity of the rotation end t to fix the rotation of the door D relative to the vehicle body W, the fixed arm 3 is lifted together with the guide pin 6 along the vertical movement guide portion 5a from the fixed state. The locking portion 3b is detached from the vicinity of the rotation end t of the door D to allow the door D to rotate with respect to the vehicle body W, and to allow the body frame 1 to be attached to and detached from the vehicle body W. Arm 3 With Idopin 6 by rotating the distal end side of the rotation guide portion 5c, the locking portion 3b is intended to be held in a position spaced from the rotating end portion t of the door D.

According to this configuration, the hook-shaped fixed arm 3 is moved up and down to engage and disengage from the door D, so that the fixed arm 3 is moved to the door D compared to the case where the vertical swing type fixed arm 3 is used. On the other hand, it is possible to smoothly engage and disengage, the length of the fixed arm 3 can be suppressed, and the jig J can be downsized. Further, by engaging the fixed arm 3 in the vicinity of the rotation end t of the door D, the rotation of the door D can be reliably fixed without rattling.
Further, by holding the locking portion 3b of the fixed arm 3 detached and raised from the door D at a position separated from the rotating end t of the door D, the body frame 1 can be easily attached to and detached from the vehicle body W. And even when the door D is opened and the work is performed with the jig J attached to the vehicle body W, the fixed arm 3 does not get in the way, and the fixed arm 3 is downsized so that it can be easily moved up and down. Workability in the painting process can be improved.

The present invention is not limited to the above embodiment. For example, a plurality of hook members 1c and mounting portions (screw holes or the like) for the pin member P are provided in the base portion 1a of the main body frame 1, and the hook member 1c and It is also possible to change the position of the pin member P so that it can cope with different vehicle types. Similarly, a plurality of types of fixed arms 3 can be prepared and exchanged according to the vehicle type.
And the structure in the said Example is an example of this invention, and it cannot be overemphasized that a various change is possible in the range which does not deviate from the summary of the said invention.

It is a side view of the door fixing jig in the door fixing state in the Example of this invention. It is a rear view of the door fixing jig. It is a top view of the said door fixing jig. It is AA sectional drawing of FIG. It is a side view containing the state which raised the fixing arm of the said door fixing jig. FIG. 6 is a top view including a state where the fixed arm is further rotated inward from the state of FIG. 5. FIG. 7 is a side view including a state in which the fixed arm is further lowered from the state of FIG. 6 and the guide pin is engaged with the recess of the guide groove. It is a rear view which shows the state which engaged the said guide pin with the recessed part of the guide groove. It is the perspective view which looked at the periphery of the side part opening and closing by the side door in a vehicle body from the vehicle inner back with the said door fixing jig.

Explanation of symbols

W Body D Door t Rotating end J Door fixing jig 1 Body frame 2 Guide cylinder 3 Fixed arm 3a Shaft portion 3b Locking portion 3c Construction portion 5 Guide groove 5a Vertical movement guide portion 5b Rotating guide portion 6 Guide pin 7 Guide member

Claims (2)

A door fixing jig for fixing rotation of a door with respect to a vehicle body in a painting process of an automobile,
A main body frame attached to the vicinity of a rotation end of a door in the vehicle body, a guide cylinder supported by the main body frame and extending substantially vertically, and a shaft portion inserted through the guide cylinder so as to be vertically movable and rotatable. A hook-shaped fixed arm, and a guide groove formed on a side portion of the guide tube so as to insert a guide pin rising from the shaft portion,
The fixed arm has a erection part extending outward from the upper end side of the shaft part protruding on the guide tube, and a locking part extending substantially vertically downward from the tip side of the erection part,
The guide groove extends vertically on the side of the guide cylinder to guide the guide pin to move up and down, and extends from the upper end of the vertical guide to extend perpendicularly to the guide groove. A rotation guide portion for guiding the guide pin to rotate about the shaft portion;
By attaching the main body frame to the vehicle body and lowering the fixed arm along with the guide pin along the vertical movement guide portion, the locking portion engages in the vicinity of the rotating end portion of the door and the door rotates relative to the vehicle body. In addition to fixing the movement, by raising the fixed arm along the vertical movement guide portion together with the guide pin from the fixed state, the locking portion is separated from the vicinity of the rotating end portion of the door, and the door is attached to the vehicle body. The locking part can be attached to the rotating end of the door by allowing the body frame to be attached to and detached from the vehicle body, and further rotating the fixed arm together with the guide pin toward the distal end side of the turning guide part. A door fixing jig characterized by being held at a position separated from the portion. 2. The guide member according to claim 1, wherein a guide member is provided at a side portion of the guide cylinder so as to stand up from both side edges of the vertical movement guide portion and guide the guide pin to move up and down together with the vertical movement guide portion. The door fixing jig described.

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