JP2009028700A - Brush for coating gun - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a brush for a coating gun which is capable of being attached detachably to the coating gun capable of spraying a coating material to diffuse to form an elliptical-shaped cross-section while keeping coating performance by applying the coating material on a surface to be coated with the brush and coating not only a narrow part but a wide part of the surface to be coated with excellent workability by forming the shape of the brush into the elliptical shape in the cross section to follow the diffusion of the elliptical shape of the coating material. <P>SOLUTION: The brush for the coating gun is attached detachably directly or indirectly to a spray port part 3b of the coating gun 3 for spraying the misty coating material by the operation of a trigger 3a. The brush 1 for the coating gun has an annular cross-sectional elliptical shape having a prescribed thickness and the opening cross-sectional area increases from the spray opening part toward the tip. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a brush that can be attached to and detached from the spray port of a paint gun that sprays paint in the form of a mist. The present invention relates to a paint gun brush having a large opening cross-sectional area.

  Conventionally, as a brush used by being connected to a coating gun, there is a brush which has a cylindrical shape and is not circular (for example, see Patent Document 1).

JP 2006-314950 A

  However, with such conventional brushes for painting guns, the paint sprayed from the coating gun cannot be sprayed onto the surface to be coated while maintaining the fog, so efficient painting can be achieved. There was no problem.

  On the other hand, a coating gun that can be sprayed so as to diffuse the paint into an elliptical cross section has been put to practical use. Further, a brush having an elliptical cross section has been put into practical use.

  However, it is a brush that is detachably used in a paint gun that can be sprayed so as to diffuse paint in an elliptical cross section, and a brush having an elliptical cross section has not been put to practical use.

  When using a paint gun that can be sprayed to spread the paint in an elliptical cross section, it is not possible to regulate the scattering of the paint to be sprayed. It was unsuitable. There is also a problem of causing environmental degradation due to scattering of the paint.

  Furthermore, the desired coating thickness cannot be obtained only by spraying the surface to be coated with a coating gun. As a result, it has been difficult to ensure the coating performance.

  On the other hand, when a brush having an elliptical cross section is used alone, the work of immersing the brush in the paint reservoir tube is repeated to apply the paint on the surface to be coated, and therefore the workability is poor. there were.

  The present invention has been made in order to solve the above-mentioned problems, and by applying a paint to the surface to be coated with a brush, the paint can be diffused into, for example, an elliptical cross section while ensuring the coating film performance. By making the shape of the brush, for example, an elliptical cross section so that it can be attached to and detached from the sprayable paint gun and follow the diffusion of the elliptical shape, from the narrow part to the wide part of the surface to be coated, The object is to provide a paint gun brush that can be painted with good workability.

  The invention according to claim 1 is a paint gun brush which is detachably attached directly or indirectly to a spray gun spraying part for spraying paint in a mist state by a trigger operation. Is an annular shape having a predetermined thickness, and has an opening cross-sectional area that increases from the injection port portion toward the opposite tip.

  According to a second aspect of the present invention, there is provided the coating gun brush according to the first aspect, wherein the coating gun brush has a spread angle of 5 at least at the base end portion thereof from the spray port portion toward the leading end. It is characterized in that the opening cross-sectional area becomes large at a temperature of 15 °.

  A third aspect of the present invention is the coating gun brush according to the first or second aspect, characterized in that the coating gun brush has an elliptical cross section with a predetermined thickness. To do.

  According to a fourth aspect of the present invention, in the paint gun brush according to the first or second aspect, the paint gun brush is a ring having a rectangular shape with a predetermined thickness. To do.

  According to a fifth aspect of the present invention, in the paint gun brush according to any one of the first to fourth aspects, an adapter having a free pattern chip is provided at the spray port, and the brush and the adapter are The adapter can be attached to and detached from the paint gun body integrally.

  A sixth aspect of the present invention is the coating gun brush according to the fifth aspect, wherein the brush and the adapter are detachable.

  A seventh aspect of the present invention is the paint gun brush according to the fifth or sixth aspect, wherein the adapter is inclined at 28 ° to 38 ° with respect to a handle portion of the paint gun. And

  According to an eighth aspect of the present invention, in the paint gun brush according to any one of the fifth to seventh aspects, the adapter is rotatable by 90 ° on an axis of the paint gun brush.

  The invention according to claim 9 is the brush for paint gun according to claim 7 or claim 8, wherein the adapter is rotatable by 180 ° relative to a handle portion of the paint gun. .

  A tenth aspect of the present invention is the coating gun brush according to any one of the first to ninth aspects, characterized in that an elastic mesh material is in contact with and fixed to the inner surface of the brush. And

  The present invention has the following effects due to the above configuration.

  According to the invention of claim 1, by applying a paint to the surface to be coated with a brush, the paint gun can be attached to and detached from a sprayable gun so as to diffuse the paint while ensuring the coating film performance, and Environmental degradation due to paint splashing can be prevented.

  According to the invention of claim 2, by applying the paint to the surface to be coated with a brush, the paint gun can be attached to and detached from a sprayable gun so as to diffuse the paint while ensuring the coating film performance, and The paint sprayed so as to diffuse can be suitably adapted to the paint gun brush.

  According to the invention of claim 3, by applying the paint to the surface to be coated with a brush, the paint gun can be attached to and detached from a sprayable gun so as to diffuse the paint into an elliptical cross section while ensuring the coating film performance. In addition, by making the shape of the brush an elliptical cross section so as to be able to follow the diffusion of the elliptical shape, it is possible to paint from a narrow part to a wide part of the surface to be coated with good workability.

  According to the invention of claim 4, by applying the paint to the surface to be coated with a brush, the paint gun can be attached to and detached from a sprayable gun so as to diffuse the paint into a rectangular cross section while ensuring the coating film performance. In addition, by making the shape of the brush a rectangular cross section so as to follow the diffusion of the rectangular shape, it is possible to paint from a narrow portion to a wide portion of the surface to be coated with good workability.

  According to the invention of claim 5, by making the brush integrated with the adapter provided with the free pattern chip, it can be mounted integrally with the paint gun body, and when it is mounted, the diffusion region of the paint is controlled. At the same time, the effects of claims 1 to 3 can be realized.

  According to the invention of claim 6, it is possible to replace only the paint gun brush which is a consumable item, and at the same time, the effect of claim 4 can be realized.

  According to the seventh aspect of the present invention, it is possible to improve the painting workability on the surface to be coated as compared with the case where the coating gun brush extends linearly with respect to the handle portion of the coating gun.

  According to the invention of claim 8, for example, when a paint gun brush having an elliptical cross section is mounted, the major axis direction of the paint gun brush can be properly used in the vertical direction and the horizontal direction.

  According to the ninth aspect of the present invention, for example, when painting a ceiling or the like, it is possible to paint with good workability.

  According to the invention of claim 10, while maintaining the shape of the brush at the time of use, the condensation of the brush can be suppressed even when the paint adheres to the brush.

Embodiment 1 FIG.
Hereinafter, an embodiment of a paint gun brush according to the present invention will be described with reference to the drawings.

  FIG. 1 is an overall perspective view of a paint gun to which a paint gun brush according to this embodiment is connected, and FIG. 2 is an exploded side view of the paint gun to which the paint gun brush according to this embodiment is connected. . 3 is a cross-sectional view of the paint gun brush according to the present embodiment, and FIG. 4 is a cross-sectional view taken along the line II shown in FIG.

  1 to 4, 1 is a paint gun brush, 2 is an adapter having a free pattern chip 2 a, 3 is a paint gun body, and the paint gun body 3 and the adapter 2 are combined to form a paint gun 4. The

  The coating gun body 3 has a known structure that has been put to practical use in the past, and the paint can be sprayed from the spray port portion 3b by operating the trigger 3a.

  The adapter 2 has a function of diffusing the paint sprayed from the coating gun main body 3 into, for example, an elliptical cross section, and has a function of controlling the diffusion region by a free pattern chip. The free pattern chip is configured to be detachable from the adapter. The adapter 2 is screwed to the paint gun body 3. In addition, when the adapter 2 is configured to be able to rotate at a required angle, for example, 90 degrees, with respect to the coating gun 3 or between the front half and the rear half of the adapter 2, The direction of the paint gun brush 1 can be changed to a required angle with respect to the paint gun 3. For example, when the adapter 2 is configured to be able to rotate 90 degrees on the axis of the paint gun brush 1, and when the paint gun brush 1 having an elliptical cross section is mounted, the major axis direction of the paint gun brush 1 is changed. It can be used properly in the vertical and horizontal directions.

  The coating gun brush 1 has an elliptical cross section, and is formed such that at least the base end portion of the coating gun 4 extends from the injection port 3b to the tip and increases at an angle of 5 ° to 15 °. Yes. That is, when the paint sprayed from the coating gun 3 passes through the adapter 2, the paint is diffused into an elliptical cross section, passes through the opening 1 a of the coating gun brush 1, and is sprayed onto the surface to be coated.

  Therefore, the mist-like paint sprayed from the paint gun 4 is suitably adapted to the paint gun brush 1 having a spread angle of 5 ° to 15 ° and can coat the surface to be coated.

  In order to optimize the familiarity of the paint to the paint gun brush 1, a spread angle of 8 ° to 12 ° is more preferable.

  In the present embodiment, the cross-sectional shape of the coating gun brush 1 is an ellipse, but is not limited thereto, and may be a circle, a rectangle, or the like. However, it is desirable to match the cross-sectional shape of the paint sprayed from the paint gun 4 in the form of a mist.

  Hereinafter, the structure of the coating gun brush 1 will be described in detail with reference to FIG.

  Reference numeral 11 denotes a brush body formed of horse hair, for example. However, the type of hair constituting the brush body 11 is not limited at all.

  The brush body 11 is fixed at the base end portion thereof with an outer metal frame 12a and an inner metal frame 12b interposed therebetween. That is, it fixes by pouring an adhesive etc. into the said part in the state which interposed the base part of the brush main body 11 in the metal frames 12a and 12b.

  In the present embodiment, the spread angle of the base end portion composed of the metal frames 12a and 12b is set to 5 ° to 15 ° (more preferably 8 ° to 12 °).

  Further, between the inner metal frame 12b and the brush body 11, an elastic net member 13 extending to a desired position in the longitudinal direction inside the brush body 11 is interposed and fixed together.

  The net member 13 in the present embodiment is formed of, for example, a polymer material, and is in contact with and fixed to the inner surface of the brush main body 11 so as to follow the deformation of the brush main body 11 at the time of painting. The main body 11 is shaped and has a function of preventing the brush main body 11 from being deformed to the inner surface side when the paint is solidified.

  Two positioning holes (not shown) are provided on the coating gun 3 side end surface of the coating gun brush 1, and a plate-like magnet 14 is provided on the end surface.

  On the other hand, two positioning pins 2b corresponding to the positioning holes are provided on the end surface of the adapter 2 on the coating gun brush 1 side, and the main body of the adapter 2 is made of metal.

  That is, the coating gun brush 1 and the adapter 2 are connected by magnetic force in a positioned state.

  However, the method for connecting the paint gun brush 1 and the adapter 2 or the method for connecting the adapter 2 and the paint gun 3 is not limited to the above-described embodiment.

  In this embodiment, the paint gun brush 1, the adapter 2, and the paint gun body 3 are connected to each other. However, the present invention is not limited to this, and the paint gun brush 1 and the adapter 2 are integrated. A configuration in which the adapter portion is connected to the coating gun main body 3 in an integrated state may be employed. However, it is preferable that the paint gun brush 1 and the adapter 2 be detachable. This is because by making it detachable, it is possible to replace only the paint gun brush 1 which is a consumable item.

  Although the structure and function of the paint gun brush 1 and the adapter 2 and the paint gun 3 used together with the paint gun brush 1 according to the present embodiment have been described above, the following effects are summarized.

  A paint gun that can be sprayed to spread the paint into an elliptical cross-section while ensuring a high coating film performance by applying paint to the surface to be coated by the brush body 11 as compared with the case of spraying only with the paint gun. In order to secure the flow path of the paint that can be attached to and detached from 4 and can follow the diffusion of the elliptical shape, the brush body 11 has an elliptical cross section to prevent environmental degradation due to the scattering of the paint. In addition, it is possible to paint from a narrow part to a wide part of the surface to be coated with good workability by an elliptical brush having a major axis and a minor axis.

  By setting the spread angle from the base end portion of the coating gun brush 1 to 5 ° to 15 °, the brush body 11 is suitably applied while maintaining the sprayed state of the paint sprayed from the coating gun 3 in the form of a mist. You can blend in the paint.

  By providing the adapter 2 with the free pattern chip, the above effect can be realized while controlling the diffusion region of the paint when mounted on the coating gun 3.

  By making the paint gun brush 1 and the adapter 2 detachable, it is possible to replace only the paint gun brush 1 which is a consumable item.

  The mesh material 13 can keep the shape of the brush body 11 in use, and can also suppress condensation of the brush body 11 when the paint adheres to the brush body 11.

  By the way, in embodiment mentioned above, as shown in FIG. 1, although the adapter 2 and the brush 1 for coating guns extended linearly with respect to the handle part of the coating gun 3, it is restricted to this. is not. For example, as shown in FIG. 5, the adapter 2 may have an inclination angle θ of 28 ° to 38 ° with respect to the handle portion of the paint gun 3, and in this case, compared with a case where the adapter 2 extends linearly. Therefore, workability and operability are improved. The inclination angle θ is more preferably 30 ° to 33 °. At this time, it is preferable in terms of workability that the major axis of the paint gun brush 1 having an elliptical cross section coincides with the inclination direction.

  Further, the adapter 2 shown in FIG. 5 is rotatable by 180 ° (indicated by a two-dot broken line in the figure). Therefore, in a state rotated by 180 °, for example, workability is good when painting a ceiling or the like.

  Further, FIG. 6 is obtained by inverting the inclination direction of the adapter 2 as compared with FIG. In this case, for example, when painting a ceiling or the like, workability is good.

It is the whole paint gun perspective view to which the brush for paint guns concerning this embodiment was connected. It is the side view which decomposed | disassembled the coating gun with which the brush for coating guns concerning this embodiment was connected. It is sectional drawing of the brush for coating guns concerning this embodiment. It is II sectional drawing shown in FIG. It is the whole paint gun perspective view to which the brush for paint guns concerning other embodiments was connected. It is the whole paint gun perspective view to which the brush for paint guns concerning other embodiments was connected.

Explanation of symbols

1 Brush for painting gun 2 Adapter 3 Painting gun 3b Spray port 13 Net material

Claims (10)

A paint gun brush that is detachably attached directly or indirectly to the spray port of a paint gun that sprays paint in the form of a mist by a trigger operation,
The coating gun brush, wherein the coating gun brush has an annular shape having a predetermined thickness, and has an opening cross-sectional area that increases from the spray port portion toward the leading end. The coating gun brush has an opening cross-sectional area that is larger at an extension angle of 5 ° to 15 ° at least at a base end portion thereof from the spray port portion toward a front end facing the spray gun brush. The brush for paint guns according to 1. The paint gun brush according to claim 1 or 2, wherein the paint gun brush has an annular shape with a predetermined thickness and an elliptical cross section. The paint gun brush according to claim 1 or 2, wherein the paint gun brush has an annular shape with a predetermined wall thickness and a rectangular cross section. The spray port of the paint gun has an adapter with a free pattern tip,
The brush for a paint gun according to any one of claims 1 to 4, wherein the brush and the adapter are integrated, and the adapter is detachable from a paint gun body of the paint gun. The brush for a paint gun according to claim 5, wherein the brush and the adapter are detachable. The brush for a paint gun according to claim 5 or 6, wherein the adapter is inclined at 28 ° to 38 ° with respect to a handle portion of the paint gun. The paint gun brush according to any one of claims 5 to 7, wherein the adapter is rotatable by 90 ° on an axis of the paint gun brush. The brush for a coating gun according to claim 7 or 8, wherein the adapter is rotatable by 180 ° relative to a handle portion of the coating gun. The brush for a coating gun according to any one of claims 1 to 9, wherein an elastic net member is in contact with and fixed to an inner surface of the brush.

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