KR200479278Y1

KR200479278Y1 - Painting stay using the gas cylinder

Info

Publication number: KR200479278Y1
Application number: KR2020150004443U
Authority: KR
Inventors: 안영진; 안수봉; 임문룡; 최현우; 최지욱; 김현도
Original assignee: 안영진; 안수봉; 임문룡; 최현우; 최지욱; 김현도
Priority date: 2015-07-02
Filing date: 2015-07-02
Publication date: 2016-01-19

Abstract

1. Technical Field
The present invention relates to a gas cylinder, and more particularly, to a paint stay using a gas cylinder that holds a bonnet, a door, and a trunk lid of a vehicle in an opened state during a painting process of a vehicle.
2. Configuration
A painting stay using a gas cylinder according to the present invention comprises: a body; A piston rod fixed to the piston provided in the body and linearly moving; A rotation coupling pipe coupled to an outer surface of the body so as to be rotatable along a circumferential surface of the body; And a protective cover which is installed to cover the space between the body and the piston rod, one side of which is fixed to the outside of the rotary coupling pipe and the other side of which is coupled to the end of the piston rod.
3. Effect
According to the present invention, it is possible to prevent the penetration of harmful substances into the gas cylinder during the coating process without affecting the operation (linear movement and rotational movement) of the gas cylinder.

Description

PAINTING STAY USING THE GAS CYLINDER USING THE GAS CYLINDER

The present invention relates to a paint stay, and more particularly, to a paint stay using a gas cylinder that holds a bonnet, a door, and a trunk lid of a vehicle in an open state during a painting process of a vehicle.

Generally, since the appearance of a vehicle is made of a metal material, it is easily corroded when exposed to high humidity, temperature, and various chemicals. Such corrosion phenomenon is getting worse due to acid rain or ultraviolet rays due to environmental pollution recently. In order to prevent the appearance of the vehicle from being corroded, a painting process is performed in the manufacturing process of the vehicle. In addition to the purpose of preventing the corrosion of the vehicle, the coating process is carried out for the purpose of improving the gloss effect by embedding a large number of pores existing on the surface of the vehicle, and basically includes the pretreatment process, electrodeposition process, middle process and top process do.

During the painting process of the vehicle, the pretreatment process and the electrodeposition process are carried out in such a manner that the car body is immersed in a chamber filled with a coating material, so that a moving part such as a bonnet, a door (front / rear / hatchback door) The process proceeds in a closed state. On the other hand, in the sealer process for sealing the panel connection portion of the vehicle body, the deadner process for undercoating the lower portion of the door, and the moving portion for the intermediate process and the overhead process, the movable portion is opened by a fixed stay (also called an iron- The work is done. For example, in the intermediate process and the overhead process, the operator opens the moving part of the vehicle and then keeps it open through the fixed stay, and then applies the coating process to the inner surface of the open moving part by using the spray gun for painting Conduct. After completion of the painting process on the inner surface of the moving part, the operator must manually remove the fixing stay and close the moving part.

As described above, in the conventional moving part painting process, the worker repeatedly performs the operation of opening and closing the hood by using the fixing stay, thereby frequently causing the worker's musculoskeletal system to be damaged. Also, in the process of repeatedly performing the opening and closing operations of the moving parts of the vehicle during the painting process, the loose powder is fixed to the painting area due to the friction generated when the moving part and the fixing stay collide with each other, It is necessary to carry out an additional repair work to remove the flour and thus the workability is deteriorated and the quality of the coating is deteriorated.

In order to solve such a problem, recently, a gas cylinder (or a gas shock absorber, a gas spring) has been used as a stay for a moving part which is easily detachable from a vehicle during a painting process. In other words, when painting the vehicle, the gas cylinder is mounted in the proper position to keep the moving part open. However, during the coating process, the gas cylinder is exposed to harmful substances such as pretreatment chemicals, primers, and paints, which has adversely affected operation.

Accordingly, in order to prevent the contamination of the gas cylinder during the painting process of the vehicle, a replacement paint-line gas cylinder called "paint slave" is used only during the coating process, and after the coating process is completed, A method of replacing with a gas cylinder was used. Replacement paint-line gas cylinders have been separated from the vehicle after the painting process and are washed and reused, or when they are destroyed, they are disposed of. Therefore, there is a problem that the manufacturing cost and time are consumed due to additional handling and processing steps.

Korean Patent Laid-Open No. 10-2006-0113653 (published on November 11, 2006) provided a removable protective sleeve for a gas cylinder to solve the problem of a conventional replacement paint-line gas cylinder. The protective sleeve proposed in Korean Patent Laid-Open No. 10-2006-0113653 is flexible, can not penetrate the liquid spray, and can be removed from the gas cylinder after the painting process is completed using a material that can withstand high temperatures in the coating process This solves the problem of manufacturing costs and time consuming due to additional handling and processing steps.

However, in Korean Patent Publication No. 10-2006-0113653, since the protective sleeve is mounted so as to completely cover the gas cylinder, it is troublesome to mount the protective gas cylinder on the vehicle in a state that the protective sleeve is covered, Additional work was still required because the sleeve had to be removed from the gas cylinder.

Furthermore, in order to mount the gas cylinder on the bracket, it is necessary to align the position of the gas cylinder while adjusting the position by rotating the rod of the gas cylinder. . However, in the protective sleeve disclosed in Korean Patent Laid-Open Publication No. 10-2006-0113653, when the gas cylinder is completely covered or coupled to the cylinder body (that is, the gas filling portion), the protective sleeve is twisted in the rotating direction during the rotation of the gas cylinder, Lt; RTI ID = 0.0 > operation. &Lt; / RTI >

KR 10-2006-0113653 A, 2006. 11. 02. KR 10-2010-0024202 A, 2010. 03. 05. KR 10-1116721 B1, 2012. 02. 08.

Therefore, the present invention has been proposed in order to solve the problems of the prior art, and it is an object of the present invention to provide a gas cylinder which does not affect operation (linear movement and rotational movement) of a gas cylinder, And it is an object of the present invention to provide a coating stay using a gas cylinder capable of withstanding a high temperature in a drying process of a coating process.

According to an aspect of the present invention, A piston rod fixed to the piston provided in the body and linearly moving; A rotation coupling pipe coupled to an outer surface of the body so as to be rotatable along a circumferential surface of the body; And a protective cover installed to cover between the body and the piston rod, one side of which is fixed to the outside of the rotary coupling pipe and the other side of which is coupled to the end of the piston rod. Thereby providing a coating stay used.

Preferably, the apparatus further comprises first and second fixing rings fixed to the outer surface of the body with the rotary coupling pipe interposed therebetween to prevent the rotary coupling pipe from moving in the longitudinal direction along the outer surface of the body .

Preferably, the first and second stationary rings are fixed to the first and second stationary grooves recessed inwardly on the outer surface of the body, and a part of the first and second stationary rings are coupled to protrude upward from the first and second stationary grooves . &Lt; / RTI >

Preferably, the sleeve further includes a sleeve having one side fixed to the body and the other side formed in a tubular shape extending from the body in a direction in which the piston rod protrudes to the outside, and covering the space between the body and the piston rod. can do.

Preferably, a coupling protrusion is provided on an inner surface of one side of the sleeve, and is fixed to the third fixing groove recessed inwardly on the outer surface of the body.

Preferably, the protective cover is made of a synthetic resin material or a synthetic fiber material having a flexible material or a corrugated pipe structure and having heat resistance to withstand the temperature applied during the painting process and corrosion resistance not to be corroded by harmful substances can do.

As described above, according to the present invention, there is provided a rotary coupling pipe that is coupled to an outer surface of a body so as to be rotatable along a circumferential surface of a body, and a rotary coupling pipe which is installed to cover between the body and the piston rod, And a protective cover which is fixed to the outside of the piston rod and is coupled to the end portion of the piston rod, thereby preventing harmful substances from penetrating into the inside of the body during the coating process, The protective cover is twisted to prevent the gas cylinder from malfunctioning.

1 is an assembled perspective view showing a painting stay according to an embodiment of the present invention;
Fig. 2 is a view showing a state in which the protective cover shown in Fig. 1 is separated from the body. Fig.
Fig. 3 is a cross-sectional view of the painting stay shown in Fig. 1 cut in the longitudinal direction. Fig.
Fig. 4 is an exploded perspective view of the painting stay except the protective cover shown in Fig. 1; Fig.
5 is a view for explaining a body according to another example of the present invention;
6 is a cross-sectional view showing a cutting face of a painting stay to which the body shown in Fig. 5 is applied; Fig.
FIG. 7 is a view for explaining a body according to another example of the present invention; FIG.
8 is a sectional view showing a cutting face of the painting stay to which the body shown in Fig. 7 is applied; Fig.
9 is a sectional view showing a cutting face of a paint stay to which a protective cover according to another example of the present invention is applied.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and how to accomplish them, will become apparent with reference to the embodiments described below in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be embodied in various forms.

The present embodiments are provided so that this disclosure of the present invention is complete, and that those skilled in the art will fully understand the scope of the present invention. And this invention is only defined by the scope of the claims. Thus, in some embodiments, well known components, well known operations, and well-known techniques are not specifically described to avoid an undue interpretation of the present invention.

In addition, like reference numerals refer to like elements throughout the specification. And, the terms (mentioned) used in this specification are intended to illustrate the embodiments and are not intended to limit the present invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. Also, components and acts referred to as " comprising (or comprising) " do not exclude the presence or addition of one or more other components and operations.

Unless defined otherwise, all terms (including technical and scientific terms) used herein may be used in a sense that is commonly understood by one of ordinary skill in the art to which this invention belongs. Also, commonly used predefined terms are not ideally or excessively interpreted unless they are defined.

Technical features of the present invention will now be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view of an assembly for explaining a coating stay using a gas cylinder according to an embodiment of the present invention, FIG. 2 is a view showing a state in which the protective cover shown in FIG. 1 is separated from the body, 3 is a longitudinal sectional view of the painting stay shown in Fig. 1, and Fig. 4 is an exploded perspective view of the painting stay except the protective cover shown in Fig.

1 to 4, a painting stay 10 using a gas cylinder according to an embodiment of the present invention includes a body 11, a piston rod 13, a rotary coupling pipe 14, and a protective cover 15, .

The details of the structure including the body 11 and the piston rod 13 excluding the rotary coupling pipe 14 and the protective cover 15 in the painting stay 10 according to the embodiment of the present invention are specifically shown The configurations for realizing the basic operation of the cylinder may be made with the same configuration and function as the gas cylinder disclosed before the application of the present invention.

For example, Korean Patent Publication No. 10-2004-0008009 (Publication Date: Jan. 28, 2004), Korean Patent Publication No. 10-2006-0034397 (Publication Date: Apr. 24, 2006), Korean Patent Publication No. 10-2005-0094231 Korean Registered Patent No. 10-0717243 (Registered on May 4, 2007), Korean Registered Patent No. 10-0902182 (Registered Date: Mar. 23, 2009), Korean Registered Patent No. 10-0875544 : December 16, 2008), but the detailed configurations including the body of the present invention and the piston rod are not limited thereto.

2 to 4, the rotary coupling pipe 14 is formed so as to surround the outer surface of the body 11, that is, the periphery of the body 11, in order to fix one side portion of the protective cover 15 to the outer surface of the body 11. [ . The rotary coupling pipe 14 is formed of a circular pipe structure, and may be made of a synthetic resin material having a predetermined strength, preferably a plastic synthetic resin.

It is preferable that the inner diameter of the rotary coupling pipe 14 is formed larger than the outer diameter of the body 11 so as to be smoothly rotated along the circumferential surface of the body 11. [ However, when the inner diameter of the rotary coupling pipe 14 is excessively larger than the outer diameter of the body 11, the rotary coupling pipe 14 may rotate naturally around the peripheral surface of the body 11, which may adversely affect the operation. Accordingly, it is preferable that the rotation coupling pipe 14 is rotated along the circumferential surface of the body 11 only when a constant force is applied in the rotation direction of the rotation coupling pipe 14. Therefore, it is preferable that the inner diameter of the rotary coupling pipe 14 is formed to be approximately 0.1 mm to 0.5 mm larger than the outer diameter of the body 11.

1 to 3, the protective cover 15 is installed so as to cover between the body 11 and the piston rod 13 so that harmful substances penetrate into the piston rod 13 and the body 11 during the painting process. . The protective cover 15 is made of a flexible material capable of elongating and contracting. One end of the protective cover 15 is fixed to the outside of the rotary coupling pipe 14 and the end of the piston rod 13 penetrates the other end. A through hole 15a is provided. At this time, it is preferable that a rubber ring is provided on the other side of the protective cover 15 so as to surround the through-hole 15a so that the piston rod 13 is pressed and fixed by a certain pressure.

The protective cover 15 is fixed to the rotary coupling pipe 14 which rotates along the circumferential surface of the body 11 and the other side is fixed to the end portion of the piston rod 13, The rotation of the piston rod 13 prevents the protection cover 15 from being twisted during rotation of the piston rod 13 to adversely affect the operation of the coating stay 10.

The protective cover 15 may be made of a flexible material or a corrugated pipe structure so as to easily shrink and stretch. And can be made of a synthetic resin material or a synthetic fiber material having heat resistance capable of withstanding the temperature applied during the coating process and having corrosion resistance that is not corroded by harmful substances such as pretreatment chemicals, primers, .

For example, in the present invention, the protective cover 15 may be made of nylon. And may have a thickness of about 1 mm to 2 mm so as to facilitate shrinkage and elongation. It can also be made transparent or translucent so that the interior is transparent.

3 and 4, the painting stay 10 according to the embodiment of the present invention may further include first and second stationary rings 16 and 16 '. The first and second stationary rings 16 and 16 'may be made of a metal ring or an elastic rubber ring. And may be made of an elastic rubber ring so as to be easily fitted to the outer surface of the body 11. [ The first and second stationary rings 16 and 16 'are fixed to the outer surface of the body 11 with the rotary coupling pipe 14 interposed therebetween so that the rotary coupling pipe 14 extends along the outer surface of the body 11 It is possible to prevent movement in the direction.

The rotary coupling pipe 14 according to the present invention is easily detachable from the body 11 and must be rotatably installed along the peripheral surface of the body 11. [ That is, the rotary coupling pipe 14 is not fixed to the outer surface of the body 11 but is rotatably engaged. When the protective cover 15 is fixed to one side of the rotary coupling pipe 14 and the protective cover 15 is extended or contracted corresponding to the linear movement of the piston rod 13, The rotary coupling pipe 14 can be moved along the longitudinal direction of the body 11 by a force transmitted from the rotary shaft 11a. The first and second fixing rings 16 and 16 'may be further provided on the left and right sides of the rotary coupling pipe 14 to prevent the rotary coupling pipe 14 from moving along the longitudinal direction of the body 11 .

3 and 4, one side of the stay 10 is fixed to the body 11, and the other side of the stay 10 is fixed from the body 11 to the outside of the piston rod 13 And a sleeve 17 covering the space between the body 11 and the piston rod 13 and preventing the harmful substances from penetrating into the body 11. The sleeve 17 may have a circular pipe structure and may be made of a synthetic resin material having a predetermined strength, preferably a plastic synthetic resin.

FIG. 5 is a view for explaining a body according to another example of the present invention, and FIG. 6 is a sectional view showing a cutting face of a painting stay to which the body shown in FIG. 5 is applied.

Referring to FIGS. 5 and 6, the body 21 according to another example of the present invention includes first and second fastening portions 16 and 16 ', which are embedded in the outer surface of the body 21 and are fitted and fixed to the first and second fastening rings 16 and 16' The groove portions 21a and 21b can be formed. The depth of the first and second fixing recesses 21a and 21b is set such that the first and second fixing rings 16 and 16 ' It is preferable that a depth of the first and second fixing rings 16 and 16 'is set such that a part of the first and second fixing rings 16 and 16' protrude out of the first and second fixing grooves 21a and 21b.

FIG. 7 is a view for explaining a body according to another example of the present invention, and FIG. 8 is a sectional view showing a cutting face of a painting stay to which the body shown in FIG. 7 is applied.

7 and 8, the body 31 according to another embodiment of the present invention includes first and second fixing grooves 31a and 31b, to which the first and second fixing rings 16 and 16 ' And a third fixing groove 31c may be further formed on the outer surface of the sleeve 27 so as to be fixedly coupled to the outer surface of the body 31 in a stable manner. At this time, an engaging projection 27a provided on the inner surface of one side of the sleeve 27 is fitted and fixed to the third fixing groove portion 31c of the body 31.

The third fixing groove 31c is formed on the outer surface of the body 31 and the coupling protrusion 27a is formed on the inner surface of the one side of the sleeve 27 so that the coupling protrusion 27a The sleeve 31 can be securely fastened to the outer surface of the body 31 by only a simple operation of pressing the sleeve 31 into the third fixing groove 31c of the body 31, ) Can be easily separated, and the work efficiency can be improved.

9 is a cross-sectional view showing a cutting face of a paint stay to which a protective cover according to another example of the present invention is applied.

Referring to FIG. 9, the protective cover 25 according to another example of the present invention has a first fixing groove portion (not shown) formed at one side thereof along the circumferential surface of the rotation coupling ring 24, 3 fixing ring 25a and the fourth fixing ring 25b may be further provided on the other side, that is, the through hole 15a (see FIG. 2). At this time, the third and fourth fixing rings 25a and 25b may be formed of a metal ring or an elastic rubber ring. Preferably an elastic rubber ring.

In this case, the fourth fixing groove is formed along the circumferential surface of the rotary coupling ring 24, and the third fixing ring 25a is provided on one side of the protection cover 25, The third fixing ring 25a may be detachably attached to the outer surface of the rotary coupling ring 24 by using a third fixing ring 25a instead of attaching the one fixing member 25 to the outer surface of the rotary coupling ring 24 with an adhesive, The protective cover 25 can be stably fixed to the outer surface of the body 31 and the protective cover 25 can be easily separated from the body 31 when the protective cover 25 is replaced by a simple operation of press- So that the work efficiency can be improved.

Although not shown in detail, a sealing ring (O-ring) is provided inside the bodies 11, 21, and 31 in order to seal the high-pressure gas in the gas cylinder like the coating stay 10 of the present invention.

An example of such a sealing ring has been proposed in Korean Patent Publication No. 10-2010-0024202 (published on March 30, 2010). However, the seal ring proposed in Korean Patent Laid-Open No. 10-2010-0024202 has caused a rise in the product price due to the use of relatively expensive chemical resistant fluor rubber. Accordingly, the present invention uses an inexpensive silicone material having a heat resistance that can withstand approximately 200 DEG C as a sealing ring, and is less expensive than fluorine rubber.

As described above, the technical idea of the present invention has been specifically described in the preferred embodiments, but the preferred embodiments described above are intended to be illustrative, not limiting. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

10: Painting stay
11, 21, 31: body
12: Piston
13: Piston rod
14: Rotary coupling pipe
15, 25: Protective cover
16, 16 ': first and second stationary rings
17, 27: Sleeve

Claims

Body;
A piston rod fixed to the piston provided in the body and linearly moving;
A rotation coupling pipe coupled to an outer surface of the body so as to be rotatable along a circumferential surface of the body; And
A protective cover installed to cover the space between the body and the piston rod, one side of which is fixed to the outside of the rotary coupling pipe and the other side of which is coupled to the end of the piston rod;
Wherein said gas cylinder comprises a gas cylinder.

The method according to claim 1,
Further comprising first and second retaining rings secured to the outer surface of the body with the rotary coupling tube therebetween to prevent longitudinal movement of the rotary coupling tube along the outer surface of the body. Painting stays using cylinders.

3. The method of claim 2,
Wherein the first and second fixing rings are fixed to the first and second fixing groove portions recessed inward on the outer surface of the body so that a part of the first and second fixing rings are protruded to the upper portions of the first and second fixing groove portions, A painting stay using a gas cylinder.

3. The method according to claim 1 or 2,
Further comprising a sleeve having one side fixed to the body and the other side in a tubular shape extending from the body in a direction in which the piston rod protrudes outward and covering the space between the body and the piston rod. .

5. The method of claim 4,
Wherein the engaging protrusion is provided on an inner surface of one side of the sleeve and is fixed to the third fixing groove recessed inwardly on the outer surface of the body.

3. The method according to claim 1 or 2,
The protective cover is made of a flexible material or a corrugated pipe structure, and has heat resistance that can withstand the temperature applied during the coating process, and corrosion resistance that is not corroded by a harmful substance including a pretreatment chemical, a primer or paint. Wherein the gas cylinder is made of a synthetic resin material or a synthetic fiber material.