TWM514883U - Brush tool - Google Patents

Description

Brushing tool

This creation is about a brushing tool, and more specifically, a brushing tool for applying a liquid coating to the inner wall of a pipe.

In daily life, fluids are often transported through many pipelines, such as natural gas, tap water, petroleum, and even some chemical liquids. The pipeline will cause rust, damage or even corrosion of the pipeline according to factors such as the use time and the influence of the external environment. If the remediation is not found in time, it will cause inconvenience to the public; it may cause tragedy such as casualties.

In order to avoid the rupture of the pipeline due to rust and corrosion, many pipelines are made of rust-proof and anti-corrosion materials when they are manufactured. However, as the use time increases, the rust and corrosion-proof properties are also reduced. The pipeline is installed at home to transport natural gas or tap water. The public must always pay attention to the condition of the pipeline so that it can be replaced in time. However, if the pipeline is buried under the ground for transporting chemical liquids, the engineers will not check regularly. Replacing the pipeline for rust or corrosion may result in people living in an unsafe environment. Pipeline replacement is required by professionals. The charging standard for pipe replacement is adjusted according to the risk of liquid transportation and the scale of the project. The cost varies from several thousand to several tens of thousands, regardless of the family. Or the company, it is a small expense.

Therefore, how to solve the problem of rust or corrosion of pipelines in the easiest way is a technical issue that the current industry is eager to overcome.

In view of the above-mentioned shortcomings of the prior art, the present invention provides a brushing tool capable of easily coating a liquid coating agent such as rust and corrosion on the inner wall of a pipe in a simple manner, so that the pipe is not replaced. , to maintain the pipeline, and increase the proper rate of the pipeline.

The brushing tool of the present invention comprises a brush body, two elastic colloids, a brush bar and an operating lever. The brush body has a brush sponge with an annular brushed surface exposed. The two elastomeric colloids have a guiding slope for providing guidance for the brush body to smoothly enter and exit the pipeline. The brushing rod is connected in series with the brushing sponge and two elastic colloids, and the two elastic glue systems respectively abut the brushing body at the upper and lower positions, and provide positioning for the brushing sponge. The operating rod is coupled to the brushing rod, and the brushing sponge is biased by the contact with the brushing rod, and the annular brushing surface of the sponge is applied to perform the brushing operation on the inner wall of the tube.

Alternatively, the brush tool of the present invention further has an extension rod that is engaged with the brush rod through the extension rod. The operating rod and the brushing rod are respectively screwed to the extension rod. The extension rod can be a metal rod or a spring rod.

Optionally, the brushing tool of the present invention further has a positioning seat, the positioning seat comprises a positioning seat body and at least two clamping heads, and the positioning seat system can be provided with an operating rod, and the clamping head can clamp the outer wall surface of the pipeline, Providing a clamping position for the positioning body. The operating rod is screwed to the positioning seat by a screwing structure, so that the distance that can be moved relative to the positioning seat per revolution is the pitch of the screwing structure.

Alternatively, the brush tool of the present invention has at least two brush sponges connected in series to the brush bar.

Alternatively, the two elastomeric systems are tapered bodies having a section that tapers from one end of the brush sponge to the other end. The two elastomer systems are rubber blocks that are threaded to the brush bar.

Optionally, the end of the brush bar also extends with a stop to provide a stop for the elastomeric gel adjacent the end of the brush bar to prevent the elastomeric gel from exiting the brush bar.

Alternatively, the brush body also has a hard fiber which is combined with the brush sponge to form a composite body to provide a better brushing effect.

Compared with the prior art, the creative brushing tool can uniformly apply a rust-proof and anti-corrosive liquid paint on the inner wall of the pipe of various shapes by the elastic deformation property of the brush sponge. Solve the problem of rust or corrosion of the pipeline without changing the pipeline, and set the elastic colloid with the guiding slope to ensure the smooth penetration of the brush sponge in various pipelines. In addition, the creative brushing tool is further provided with an operating rod and a brushing rod, the brushing rod is used for serially brushing the sponge, and the operating rod is for bonding the brushing rod for providing convenient operation for the brushing operation.

The following content will be described in conjunction with the drawings, and the technical contents of the present invention will be described by a specific embodiment. Those skilled in the art can easily understand other advantages and effects of the present invention by the contents disclosed in the present specification. This creation can also be implemented or applied by other different embodiments. The details of the present specification can also be modified and changed without departing from the spirit of the present invention. In particular, the proportional relationship and relative position of the various elements in the drawings are for exemplary purposes only and are not representative of actual implementation of the present invention.

The present invention provides a brushing tool which can easily apply a liquid coating agent such as rustproof and anticorrosive to the inner wall of the pipeline in an easy manner, thereby maintaining the pipeline without replacing the pipeline. And increase the proper rate of the pipeline.

For the technical solution of the present creation, please refer to the disclosure of FIG. 1 to FIG. 8 together.

As shown in FIG. 1, the brushing tool 1 of the present invention has a brush body 11, two elastic colloids 12, a brush bar 13, and an operating lever 15. The brush body 11 has a brush sponge 111 to provide an annular brushing surface 112 on the outside. The brush sponge 111 can absorb, for example, a rust-preventing, anti-corrosive liquid paint, and can be elastically deformed by compression in the inlet pipe, and the absorbed liquid paint is released, and the liquid is passed through the annular brushing surface 112. The paint is evenly applied to the inner wall of the tube to protect the inner wall of the tube after the liquid paint is dried.

The brushing rod 13 is connected in series with the brushing sponge 111 and the two elastic colloids 12. The two elastic colloids 12 are respectively pressed against the brushing body 11 at the upper and lower positions, that is, the two elastic colloids 12 are respectively located on the brushing coating. Both ends of the sponge 111 provide positioning for the brush sponge 111. In order to ensure the positioning of the elastic rubber block 121, a stopper portion 131 is further extended at the bottom end to provide a stop for the elastic colloid 12 near the bottom end of the brush coating rod 13 to prevent the elastic colloid 12 from leaving. Brush the rod 13. Further, the elastic colloid 12 can be screwed to the brush bar 13 . In the configuration example shown in FIG. 3, the stopper portion 131 is formed by bending the end portion of the brush bar 13.

In order to effectively improve the painting effect of the inner wall of the tube, a plurality of brushing sponges 111 may be connected in series on the body of the brushing rod 12, so that the overall area of the annular brushing surface 112 can be increased. Further, as shown in FIG. 5, in addition to the brush sponge 111, the present brush body 11 may be added with a hard fiber 113 such as a melon cloth. When the brush sponge 111 and the hard fiber 113 are combined into a composite body, the hardness of the entire brush body 11 can be improved, and the degree of deformation after being pressed can be reduced, so that a thick liquid paint can be applied to the tube. On the inner wall.

More specifically, as shown in FIG. 7, when the brushing tool 1 of the present invention is moved in the direction of the arrow A, the composite body of the brush sponge 111 and the hard fiber 113 is uniformly applied to the liquid paint. The inner wall of the tube (as indicated by arrow B) allows the liquid coating to provide optimum protection to the inner wall of the tube after drying.

In addition, the two elastic colloids 12 may be tapered rubber blocks. As shown in FIG. 7, the elastic colloid 12 has a cross section that is gradually reduced from one end to the other end of the brush sponge 111, so that it can be provided on the outer surface. A guiding slope surface is guided, and the creative brushing body 11 is guided to smoothly enter and exit the pipeline.

As shown in FIG. 2, one end of the operating rod 14 is provided with an operating joint portion 141 having a threaded structure. Accordingly, one end of the brushing rod 13 is provided with a positioning joint portion 132 having a spiral structure. The operation joint portion 141 and the positioning joint portion 132 can be screwed to the brush coating rod 13 to apply an operating force to the brush coating rod 13, so that the annular brushing surface 112 of the brush sponge 111 can be applied to the tube. The inner wall performs a brushing operation. It should be noted that the engagement of the operating rod 14 with the brushing rod 13 can also be achieved by a non-threaded manner, such as snapping or welding, and not limited to the above.

The brushing tool of the present invention can also provide an extension rod 15 for extending the length. As shown in FIG. 2, the upper and lower ends of the extension rod 15 are respectively provided with a first extension joint portion 151 and a second extension joint portion 152. The engagement of the operation joint portion 141 of the rod 14 with the first extension joint portion 151 of the extension rod 15 and the engagement of the second extension joint portion 152 of the extension rod 15 with the positioning joint portion 132 of the brush coating rod 13 enable the creation of the brush The operation length of the tool 1 is substantially increased, so that the brush body 11 can enter the longer pipe and the inner wall of the pipe is painted. Moreover, the brushing tool 1 of the present invention can also connect a plurality of extension rods 15 at a time, so that the operation length of the creation brushing tool 1 can meet the actual pipeline requirements.

The extension rod 15 can be a metal rod or a spring rod, and can adapt to the tube to change the extended shape, as shown in FIG. 4, the extension rod 15 is pointed at the arrow C. Specifically, the inner wall of the pipe can force the extension rod 15 to bend and change the shape, so that the present brushing tool 1 is suitable for brushing various types of pipes (for example, elbows).

According to the above, the operating lever 14 can apply an operating force to the brushing rod 13 to cause the brushing sponge 111 to perform a brushing operation on the inner wall of the tube. However, if the direction in which the operating force is applied by the operating rod 14 is incorrect or eccentric, it may result in The annular brushing surface 112 of the brushing sponge 111 can only contact a part of the inner wall of the tube, so that part of the inner wall of the tube is not brushed by the liquid coating agent, and the brushing effect of the liquid coating agent on the inner wall of the tube is affected. .

In this regard, the inventive brushing tool 1 is also designed with a positioning seat 16. The positioning seat 16 has a positioning base 161 and at least two collets 162. As shown in FIG. 6 and FIG. 7 , the positioning base 161 can be provided with an operating lever 14 for limiting the operating direction of the operating lever 14 to ensure that the operating direction of the operating lever 14 is correct, and the operating lever 14 can be avoided. The direction of the applied force is incorrect or eccentric. The positioning seat 16 is provided with four clamping heads 162. The clamping heads 162 are screwed to the positioning base body 161, and can clamp four different positions of the outer wall surface of the pipeline to ensure that the positioning base body 161 is not As for the slippage caused by the relative pipe, it is loose. However, the number of the chucks 162 of the positioning seat 16 is not limited to the foregoing. For example, the positioning seat 16 can still have three chucks.

Furthermore, the operating lever 14 has a screwing structure and is screwed to the positioning seat body 161 at a pitch, so that the pitch of the pitch can be moved relative to the positioning seat body 161 for one revolution, as shown in FIGS. 7 and 8. It is shown that the operating lever 14 has a screwing structure with a pitch indicated as P, and can be screwed to the positioning seat body 161. When the user rotates the operating lever 14 in the direction of the arrow D, the operating lever 14 can be relatively positioned according to the number of rotating turns. The seat 16 moves the number of revolutions by the distance of the pitch P, so that the operating rod 14 moves linearly in the direction of the arrow A, and the angle of contact between the annular brushing surface 112 of the brush sponge 111 and the inner wall of the tube is maintained. Make sure that the liquid paint is applied evenly to the inner wall of the tube.

In summary, the creative brushing tool has at least the following characteristics:

1. The brush coating sponge can adsorb the characteristics of the liquid coating agent and the elastic deformation, and the liquid coating agent can be applied in the inner wall of the pipe body of various shapes.

2. Provide an annular brushing surface so that the liquid coating agent can be evenly applied to all areas of the inner wall of the tube to ensure the action of the liquid coating agent.

3. Provide an elastic colloid with guiding function to ensure the ingress and egress of the brush sponge in the pipeline.

4. The operating lever is provided, and the force applying operation is performed to perform the brushing operation on the inner wall of the tube.

5. It can apply anti-rust and anti-corrosion liquid paint on the inner wall of the pipeline, and can solve the problem of rust or corrosion of the pipeline without replacing the pipeline.

The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Any person skilled in the art can modify and change the above embodiments without departing from the spirit and scope of the present invention. Therefore, the scope of protection of this creation should be as listed in the scope of patent application for this creation.

1‧‧‧brushing tools
11‧‧‧brush body
111‧‧‧Spray sponge
112‧‧‧Circular brushing surface
113‧‧‧hard fiber
12‧‧‧Elastic colloid
13‧‧‧brushing rod
131‧‧‧stop
132‧‧‧ Positioning joint
14‧‧‧Operator
141‧‧‧Operation joint
15‧‧‧Extension rod
151‧‧‧First extension joint
152‧‧‧Second extension joint
16‧‧‧ Positioning Block
161‧‧‧ positioning body
162‧‧‧ chuck

Figure 1 is a first structural example of the present brushing tool.

Figure 2 is an exploded view of the brushing tool shown in Figure 1.

Figure 3 is a state diagram of the brushing tool shown in Figure 1 used in the pipeline.

Fig. 4 is a second structural example of the present brushing tool.

Figure 5 is a schematic view showing the combination of some of the members of the brushing tool shown in Figure 4.

Figure 6 is a schematic view of a positioning seat used in one embodiment of the present brushing tool.

Figure 7, is a state diagram of the positioning fixture shown in Figure 6 used on the pipeline.

Figure 8 is a partially enlarged state diagram of the range of the letter E in Figure 7.

1‧‧‧brushing tools

111‧‧‧Spray sponge

112‧‧‧Circular brushing surface

12‧‧‧Elastic colloid

13‧‧‧brushing rod

132‧‧‧ Positioning joint

14‧‧‧Operator

141‧‧‧Operation joint

15‧‧‧Extension rod

151‧‧‧First extension joint

152‧‧‧Second extension joint

Claims (14)

A brushing tool is used for brushing the inner wall of a pipe, comprising: a brushing body having a brushing sponge with an annular brushing surface; an elastic colloid having a guiding slope surface, For guiding and entering the pipeline; a brushing rod, connecting the brush sponge and the two elastic colloids in series, the two elastic rubber systems respectively abut the brush body in the upper and lower positions, and the brush The coating sponge provides positioning; and an operating rod is coupled to the brushing rod, and the annular coating surface of the brushing sponge is applied to the inner wall of the tube by being connected with the brushing rod. operation. The brushing tool of claim 1, wherein the two elastomer systems are tapered. The brushing tool of claim 1, comprising at least two brush sponges connected in series to the brush bar. The brushing tool of claim 1, further comprising an extension rod that engages the brush rod through the extension rod. The brushing tool of claim 4, wherein the operating rod and the brushing rod are respectively screwed to the extending rod. The brushing tool of claim 4, wherein the extension rod is a metal rod. The brushing tool of claim 4, wherein the extension rod is a spring rod. The brushing tool of claim 1, further comprising a positioning seat having a positioning body and at least two clamping heads, the positioning seat system can pass the operating rod, the at least two clamping heads The outer wall surface of the pipeline can be separately clamped for positioning the positioning body. The brushing tool of claim 8, wherein the operating rod is screwed to the positioning seat by a screwing structure, so that the distance of the screwing structure pitch can be moved relative to the positioning seat for one rotation per revolution. . The brushing tool of claim 1, wherein the two elastic colloidal sections are gradually reduced from one end adjacent to the brush sponge to the other end. The brushing tool of claim 1, wherein the two elastomer systems are rubber blocks. The brushing tool of claim 1, wherein the two elastomer systems are screwed to the brush bar. The brushing tool of claim 1, wherein the end of the brush bar further extends with a stop to provide a stop for the elastomeric gel adjacent the end of the brush bar. The brushing tool of claim 1, wherein the brush body further has a hard fiber bonded to the brush sponge to form a composite.