JP2880025B2 - Painting jig - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coating jig for opening and supporting a cover member such as a bonnet when painting an automobile.

[0002]

2. Description of the Related Art Automobile coating pretreatment and electrodeposition coating are performed by pretreating a car body conveyed by a conveyor or immersing the car body in an electrodeposition coating tank and moving (conveying) the inside of the tank. Pretreatment, or a method of electrodeposition coating is common,
When immersed in the tank, to prevent air accumulation in the car body from occurring and the car body from floating from the conveyor, or to perform pretreatment or electrodeposition coating on the whole car body,
A cover member such as a bonnet or a trunk lid is immersed in a bath with the jig opened. The lid member opening support jig used above generally has one end fixed to the vehicle body and the other end engaged with a hole of the lid member, or engaged with a groove of the lid member.

[0003]

By the way, Japanese Patent Application Laid-Open No.
No. 75700 (a method for electrodeposition coating an automobile body) is disclosed. In this technology, a car body is immersed in an electrodeposition tank, and the car body is rolled up and down in the tank so that the width direction of the car turns up and down. Thus, there is an effect that a coating defect caused by the air pool is prevented.

By the way, in such an electrodeposition coating method,
In a conventional type lid member opening support jig, the lid member is simply engaged with the support jig through the hole or engaged with the groove, and when the vehicle body is rotated in the tank, the lid member is opened. The lid and the jig are disengaged and the lid member opens greatly, or the lid member closes suddenly depending on the posture, and the lid member opens and closes unnecessarily. In addition, there is an inconvenience that an unnecessary force is applied to the vehicle body and the lid member to cause deformation.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object thereof is to surely hold an open state of a cover member of an automobile body under any circumstances. An object of the present invention is to provide a painting jig designed with a simple structure.

[0006]

Means for solving the above problems include a cover member opening support for supporting a vehicle body and the like with the cover member opened when performing pretreatment of an automobile body or the like and electrodeposition coating. The coating jig, wherein the jig is provided with an attachment portion at a base end to be attached to and supported on an automobile body, an engagement portion at a tip end engaged and disengaged with a lid member, and a rod-shaped portion therebetween. The engaging portion of the lid member is a coating jig that is rotated and engaged with the engaged portion of the lid member. The engaging portion of the jig to the lid member is provided with two substantially U-shaped hooks at the tip of the rod-shaped member such that the respective open portions face each other. The engagement portion with the lid member is a coating jig provided with a spiral member having an open distal end at the distal end of the rod-shaped member.

[0007]

According to the above means, the jig is rotated and engaged with and locked to the engaged portion of the lid member, so that the jig is reliably held in the open state of the lid member, and the vehicle body is The jig does not come off from the lid member even if it is rocked such as overturning.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a perspective view of a jig according to the present invention, FIG. 2 is a perspective view of a state in which a hood of a vehicle body is mounted so as to keep a lid open, and FIG. 3 is an explanatory perspective view showing a state before engaging with the bonnet. FIG. 4 is a perspective view showing a state where the locking portion of the jig is inserted into a locked portion of the bonnet, FIG. 5 is a perspective view showing a state where the jig is rotated and engaged, and FIG. Explanatory perspective view showing a state where the base end is attached to the body side, FIG.
Is a perspective view showing a second embodiment of the jig, FIG. 8 is a perspective view showing an initial state of engagement of the jig of FIG. 7 with the bonnet engaged portion,
9 is a perspective view showing an initial state in which the jig is rotated, and FIG. 10 is an explanatory perspective view showing a state in which the jig is engaged and the base end is attached to the body side.

In FIG. 1, reference numeral 1 denotes a coating jig according to the present invention. The jig 1 has a main body 2 in the form of a bar having a predetermined length, and is made of a round bar such as steel. At the base end of the jig body 2 is provided a vehicle body mounting portion 3 in the form of a perfect circle, and at the opposite end, an engaging portion 6 comprising two hook members 4 and 5 having a U-shape in side view.
Is provided.

One hook member 4 has a lower portion 4-1 bent in a U-shape, and a lower end portion thereof is fixed by welding or the like in front of an upper end portion of the main body 2, and an upright portion 4-2 parallel to the main body 2 is formed. At the upper end of the upright portion 4-2, a horizontal shaft portion 4-3 bent at a right angle is provided, and the horizontal shaft portion 4-3 is disposed in a direction perpendicular to the axis of the main body 2, and the horizontal shaft At the end of the portion 4-3, there is provided a short claw portion 4-4 which is bent and hung downward. The other hook member 5 is fixed to the upper end of the rod-shaped main body 2 in a direction parallel to the hook member 4 and in the opposite direction, and includes a lower portion 5-1, an upright portion 5-2, a horizontal shaft portion 5-3, Claws 5-4 are provided, and are fixed to the tip of the rod-shaped main body 2 symmetrically in parallel with hook members 4 and 5 having the same shape.

As described above, a gap S corresponding to the diameter of the main body 2 is formed between the hook members 4 and 5, and the claw portions 4-4 are formed.
An opening S1 in the axial direction is provided between the front end 2-1 of the main body 2 and
An axially open portion S2 is formed symmetrically between the distal end portions 2-1 of the opposite claw portions 5-4 of the main body 2. still,
In the figure, the hooks 4 and 5 are square hooks. However, hooks having an R may be used. In other words, two hooks are symmetrically arranged so that the open portions S1 and S2 of each hook are on opposite sides. , It may be arranged symmetrically facing each other.

FIG. 2 shows a vehicle body 10 of the automobile.
Hood 12 that opens and closes the engine room 11 in the front of the car
The jig 1 was interposed between the front end of the hood 12 and the front end 13 of the engine room 11 by opening the front end of the engine room to a higher position. As shown in FIG. 3, the jig 1 has a U-shaped striker 14 as viewed from the front, hanging down and protruding from the lower surface of the open end of the hood 11, and engaging the front end of the jig 1 below the striker 14. Join the joint 6.

The engaging portion 6 of the jig 1 faces the horizontal shaft 15 below the striker 14 so that the gap S between the hook members 4 and 5 is parallel to each other. 4,
The striker 14 is inserted into the gap S between the five. This is shown in FIG.
Indicated by The claws 4-4 and 5-4 of the hook members 4 and 5 face above the horizontal shaft 15 of the striker 14 as shown in FIG. 4, and the jig 1 is turned by 90 °. As a result, since the gaps S1 and S2 are opened between the claw portions 4-4 and 5-4, the rotation is performed without damping the horizontal shaft portion 15 as shown in FIG. Claws 4 of members 4 and 5
The horizontal shaft portion 15 is interposed between the upright portions 4 and 5-4 and the upright portions 4-2 and 5-2 at intervals. Therefore, the striker 14 is engaged with the hook portions 4 and 5.

After that, the mounting portion 3 at the base end of the jig 1 faces the outside of the front end 13 of the engine room 11 and the front end 13
For example, a radiator mounting hole 16 previously formed in
Is fixed via bolts 17 and nuts 18. This is shown in FIG. The figure shows the disassembled state before installation.
Will be attached to the vehicle body with the hook members 4, 5 in the engagement posture in which the hook members 4, 5 cannot come off from the striker 14. FIG. 1 shows a state in which the hood 11 is opened via the jig 1.

FIGS. 7 to 10 show a second embodiment of the present invention. The jig 101 according to this embodiment has the same configuration as that of the above embodiment except for the engagement portion 106, and
2. A vehicle body-side mounting portion 3 at a base end is provided. A spiral portion 104 is provided at the distal end so as to form a part of the coil.
04 is joined to the outer peripheral portion near the distal end of the main body 102, and the spiral portion 104 extends a plurality of pitches in the axial direction of the main body 102, and the spiral end portion 104-2 and the distal end portion 104-2 are joined to the proximal end. An open spiral gap S3 is formed between 104-1.

The above jig 101 is set under the striker 14, and the left and right vertical portions 14-1 of the striker 14 are
The open tip S4 of the spiral gap S3 of the tip 104-2 of the spiral 104 is engaged with and hooked near the connecting portion 14-2 with the horizontal shaft 15, and the jig 101 is rotated. Jig 101
Is further opened, whereby the spiral portion 104 spirals and bites into the vertical portion 14-1 of the striker 14,
This process is shown in FIG. Preferably, the rotation is 360 ° or more. By opening 360 ° or more, the engagement is made firmly and securely. As shown in FIG. 10, as the rotation continues, the spiral portion 104 bites into the middle portion thereof, and in a state where the engagement is ensured, the screw portion 104 of the proximal end portion is bolted to the bolt 1.
7. The nut 18 is fixed to the radiator mounting hole 16.
This is shown in FIG. 10 as a state immediately before mounting. In the embodiment, the hood is used to open the hood. However, it is needless to say that the hood can be used to open the trunk lid and the like.

[0017]

As is apparent from the above, according to the present invention, in a jig for holding a cover member such as a hood of an automobile body in an open state, the jig is engaged with a striker or the like such as a bonnet. When engaging with the part, the partially open part of the tip engaging part of the jig is inserted into the engaged part and rotated in the inserted state, so that the engaged part and the jig engaging part cannot be pulled out In this state, the base end is attached to the vehicle body with bolts, nuts, etc., so that the jig is held in the engaged, locked position, and the vehicle body is immersed in an electrodeposition tank or the like. Even if the body is subjected to rocking such as turning over, the open state of the bonnet etc. is securely held, preventing the jig from coming off and closing the bonnet etc., and rocking coating in the electrodeposition tank Damage or deformation of the vehicle body or the cover due to the jig coming off the cover, etc. Preventing, certainly, it can be performed smoothly dip coating or the like.

Further, by the above, efficient and reliable electrodeposition dip coating and the like can be performed, and the coating quality can be improved. It can be achieved with a simple structure in which a substantially U-shaped hook member is provided at the distal end so that the opening is symmetrical, or a spiral member is provided, and the hood and the like come off. Thus, the jig is not damaged and the jig can be repeatedly used for a long time.

[Brief description of the drawings]

FIG. 1 is a perspective view of a jig according to the present invention.

FIG. 2 is a perspective view of a state in which a hood of the vehicle body is mounted so as to maintain a lid open state.

FIG. 3 is an explanatory perspective view showing a state before engaging with a bonnet.

FIG. 4 is a perspective view showing a state in which the locking portion of the jig is inserted into the locked portion of the bonnet.

FIG. 5 is a perspective view showing a state where the jig is rotated and engaged.

FIG. 6 is an explanatory perspective view showing a state where the base end of the jig is attached to the body side.

FIG. 7 is a perspective view showing a second embodiment of the jig.

8 is a perspective view showing an initial state of engagement of the jig of FIG. 7 with a bonnet engaged portion.

FIG. 9 is a perspective view of an initial state in which a jig is rotated.

FIG. 10 is an explanatory perspective view showing a state where a jig is engaged and a base end is attached to a body side.

[Explanation of symbols]

1 ... jig, 2 ... rod-shaped part, 3 ... mounting part, 4, 5 ...
Hook, 6 ... engaging part, 10 ... car body, 11
... lid member, 14 ... engaged part, 104 ... spiral part.

Claims (3)

(57) [Claims] 1. A coating jig for opening a lid member for supporting a vehicle body or the like with a lid member opened when performing pre-treatment of an automobile body or the like and electrodeposition coating, wherein the jig is an automobile. A base end mounting portion for mounting and supporting the vehicle body, a distal end engaging portion that engages with and disengages from the lid member, and a rod-shaped portion therebetween, wherein the engaging portion of the lid member is engaged with the lid member. A coating jig, wherein the coating jig is rotated and engaged with a portion. 2. The engaging portion of the jig to the lid member is provided with two substantially U-shaped hooks at the tip end of the rod-shaped member such that respective open portions face each other. Jig for painting. 3. The coating jig according to claim 1, wherein the engaging portion of the jig to the lid member has a spiral member having an open end at the end of the rod.