Coating roller brush

By designing the cavity tube and spring structure of the paint roller brush, the recycling of the surface coating of the roller brush and the convenient replacement of scrapers is achieved, which solves the problems of waste of resources and scrapers after the use of the roller brush, and improves the efficiency of use.

CN223048383UActive Publication Date: 2025-07-01HANGZHOU NUOYI HOUSEHOLD PROD CO LTD
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Patent Information

Application Number
CN202421254608.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-03
Publication Date
2025-07-01
Estimated Expiration
2034-06-03

AI Technical Summary

Technical Problem

After the existing roller brush is applied, the residual paint on the surface of the roller brush cannot be recycled, and it is difficult to replace the scraper after a long time of use.

Method used

A paint roller brush is designed, including hollow tubes, socket blocks, rectangular movable rings, scraper fixing frames and shrink rods. The elastic force of the contraction spring is used to remove and replace the scraper, and combined with the design of the extrusion spring and return spring, it ensures the stable installation and disassembly of the roller brush.

Benefits of technology

It realizes effective recycling of residual paint on the surface of the roller brush and convenient replacement of scrapers, solves the problem of resource waste after the use of the roller brush, and improves the use efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223048383U_ABST
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Abstract

The utility model relates to the technical field of coating rollers, in particular to a coating roller brush which comprises a cavity pipe, the surface of the cavity pipe is movably sleeved with a sleeving block, and the top face of the sleeving block is fixedly connected with the bottom end of a supporting frame of a roller brush body. The coating roller brush has the advantages that when construction personnel finish the step of rolling and brushing the surface of a wall, the roller brush body rolls and rotates along the wall surface, the scraping plate can scrape away residual coating on the surface of the roller brush body in the process, the scraping plate can be detached from the top of the scraping plate fixing frame when the scraping plate is horizontally pulled rightwards, and the roller brush body is convenient to use. The top face of the clamping strip is fixedly connected with the bottom face of the scraping plate, so that the scraping plate can be detached from the top face of the scraping plate fixing frame to be replaced, and when coating on the surface of the roller brush body does not need to be scraped off, the contraction rod can contract to be away from the roller brush body through the elastic force of the contraction spring.
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Description

Technical Field

[0001] The utility model relates to the technical field of paint rollers, in particular to a paint roller brush. Background Technique

[0002] A roller brush is a tool for large-area paint rolling. Due to its wide rolling surface and time-saving and labor-saving use, it has a very wide application in daily building decoration projects, especially in indoor wall painting.

[0003] However, in the prior art, in order to make the wall paint smear more evenly, the roller brush should be placed in the paint bucket before use to let it fully absorb the paint. However, the paint remaining on the surface of the roller brush after brushing cannot be completely recovered into the paint bucket, resulting in waste of paint; on the other hand, after the scraper for scraping the paint on the surface of the roller brush is used for a long time, the scraper needs to be further replaced.

[0004] Therefore, we need a paint roller brush to solve the problem of recovering the paint remaining on the surface of the existing roller brush after brushing, and it can also realize the replacement and disassembly of the scraper for scraping the paint remaining on the surface of the roller brush. Content of the Utility Model

[0005] The purpose of the utility model is to provide a paint roller brush to solve the problem of recovering the paint remaining on the surface of the existing roller brush after brushing as mentioned in the above background technique, and it can also realize the replacement and disassembly of the scraper for scraping the paint remaining on the surface of the roller brush.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A paint roller brush includes a cavity tube. The surface of the cavity tube is movably sleeved with a socket block. The top surface of the socket block is fixedly connected to the bottom end of the support frame of the roller brush body. The surface of the support frame of the roller brush body is movably connected to the inner surface of a rectangular movable ring. The surface of the rectangular movable ring is fixedly connected to the end of a scraper fixing frame. A clamping groove is opened on the top surface of the scraper fixing frame, and a clamping strip is clamped on the surface of the clamping groove. The top surface of the clamping strip is fixed on the bottom surface of the scraper. The bottom surface of the scraper fixing frame is fixed at the top end of a retractable rod. The surface of the retractable rod is movably connected to the inside of the cavity tube. The surface of the retractable rod is movably sleeved inside a compression spring, and the compression spring is arranged inside the cavity tube.

[0007] Preferably, a contraction groove is opened inside the cavity tube, an extrusion spring is arranged inside the contraction groove, a convex spherical block is movably connected to the surface of the contraction groove, and the surface of the convex spherical block is clamped inside a through hole opened on the surface of the socket block.

[0008] Preferably, the bottom surface of the cavity tube is fixedly connected to the top surface of the insertion block, the surface of the insertion block is inserted inside the stable groove, the stable groove is opened on the top surface of the grip rod, a triangular groove is opened on the surface of the stable groove, a limiting block is inserted on the surface of the triangular groove, the surface of the limiting block is movably connected to the inside of the limiting groove, and a return spring is arranged inside the limiting groove. The return spring is arranged on the side plate surface of the insertion block.

[0009] Preferably, the cross-section of the limiting block is trapezoid-shaped, and the inclined surface of the limiting block faces upward.

[0010] Preferably, both the insertion block and the stable groove are rectangular-shaped.

[0011] Preferably, the stable groove communicates with the triangular groove, and the number of triangular grooves is two, which are symmetrically arranged along the center point of the grip rod.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows: When the construction worker finishes the step of rolling and brushing the wall surface, the roller brush body rotates along the wall surface. During this process, the scraper will scrape the residual paint on the surface of the roller brush body. When the scraper is horizontally pulled to the right, it can be disassembled from the top of the scraper fixing frame. By fixedly connecting the top surface of the clamping strip to the bottom surface of the scraper, the scraper can be disassembled from the top surface of the scraper fixing frame for replacement. When it is not necessary to scrape the paint on the surface of the roller brush body, the contraction rod can contract away from the roller brush body by the elastic force of the contraction spring; further solving the problem of recycling the residual paint on the roller brush surface after the existing rolling and brushing is completed, and it can also realize the replacement and disassembly of the scraper for scraping the residual paint on the roller brush surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is the overall three-dimensional schematic diagram of the structure of the present utility model:

[0014] Figure 2 is the side view schematic diagram of the structure of the present utility model:

[0015] Figure 3 is Figure 2 the sectional view of the structure at A-A in

[0016] Figure 4 is the connection schematic diagram of the scraper and the roller brush body of the present utility model:

[0017] Figure 5 is Figure 3 the enlarged schematic diagram of the structure at A in

[0018] Figure 6 is Figure 3 the enlarged schematic diagram of the structure at B in

[0019] In the figure: grip rod 1, cavity tube 2, socket block 3, roller brush body 4, rectangular movable ring 5, retractable rod 6, scraper 7, card slot 8, card strip 9, scraper fixing bracket 10, convex ball block 11, retractable spring 12, retractable groove 13, extrusion spring 14, plug-in block 15, stable groove 16, limit groove 17, reset spring 18, limit block 19, triangular groove 20, through hole 21. Detailed implementation manners

[0020] In order to clearly and completely describe the purpose, technical solution of the present utility model and make the advantages more clearly understood, the following further details the embodiments of the present utility model with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present utility model, rather than all of the embodiments, and are only used to explain the embodiments of the present utility model, not to limit the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present utility model.

[0021] Embodiment 1

[0022] Please refer to Figures 1 - 6 , the present utility model provides a technical solution: a paint roller brush, including a cavity tube 2, the surface of the cavity tube 2 is movably sleeved with a socket block 3, the top surface of the socket block 3 is fixedly connected to the bottom end of the support frame of the roller brush body 4, the surface of the support frame of the roller brush body 4 is movably connected to the inner surface of the rectangular movable ring 5, the surface of the rectangular movable ring 5 is fixedly connected to the end of the scraper fixing bracket 10, a card slot 8 is opened on the top surface of the scraper fixing bracket 10, a card strip 9 is clamped on the surface of the card slot 8, the top surface of the card strip 9 is fixed on the bottom surface of the scraper 7, the bottom surface of the scraper fixing bracket 10 is fixed on the top end of the retractable rod 6, the surface of the retractable rod 6 is movably connected to the inside of the cavity tube 2, the surface of the retractable rod 6 is movably sleeved inside the retractable spring 12, the retractable spring 12 is arranged inside the cavity tube 2. When the construction worker finishes the step of rolling and brushing the wall surface, the roller brush body 4 rolls and rotates along the wall surface. During this process, the scraper 7 scrapes the residual paint on the surface of the roller brush body 4. When the scraper 7 is horizontally pulled to the right, it can be disassembled from the top of the scraper fixing bracket 10. By fixedly connecting the top surface of the card strip 9 to the bottom surface of the scraper 7, the scraper 7 can be disassembled from the top surface of the scraper fixing bracket 10 for replacement. When it is not necessary to scrape the paint on the surface of the roller brush body 4, the retractable rod 6 can be retracted away from the roller brush body 4 by the elastic force of the retractable spring 12.

[0023] Embodiment 2

[0024] Refer to the attached Figures 1 to 6, on the basis of the first embodiment, in order to realize the automatic rotation of the rotating rod 3 inside the sewage tank 1, a contraction groove 13 is opened inside the cavity tube 2, an extrusion spring 14 is arranged inside the contraction groove 13, and a convex spherical block 11 is movably connected to the surface of the contraction groove 13. The surface of the convex spherical block 11 is clamped inside the through hole 21, and the through hole 21 is opened on the surface of the socket block 3;

[0025] The inner ring of the socket block 3 is sleeved on the surface of the cavity tube 2, so that the convex spherical block 11 moves inside the contraction groove 13 by the elastic force of the extrusion spring 14. Therefore, the convex spherical block 11 is clamped inside the through hole 21, so that the socket block 3 is firmly installed on the surface of the cavity tube 2 to fix the roller brush body 4. At the same time, press the convex spherical block 11 to make it contract into the contraction groove 13, and then pull up the socket block 3 to disassemble the roller brush body 4 from the surface of the cavity tube 2.

[0026] Embodiment Three

[0027] Refer to the appendix Figures 1 to 6 , on the basis of the second embodiment, in order to realize the fishing of floating impurities in the sewage tank 1, the bottom surface of the cavity tube 2 is fixedly connected to the top surface of the plug-in block 15, and the surface of the plug-in block 15 is inserted into the stable groove 16. The stable groove 16 is opened on the top surface of the grip rod 1, a triangular groove 20 is opened on the surface of the stable groove 16, a limiting block 19 is inserted into the surface of the triangular groove 20, the surface of the limiting block 19 is movably connected to the inside of the limiting groove 17, and a return spring 18 is arranged inside the limiting groove 17. The return spring 18 is arranged on the side plate surface of the plug-in block 15;

[0028] By inserting the plug-in block 15 onto the surface of the stable groove 16, the cavity tube 2 is firmly installed on the top surface of the grip rod 1. The elastic force of the return spring 18 makes the limiting block 19 move inside the limiting groove 17. Therefore, the surface of the limiting block 19 is inserted into the triangular groove 20, so that the cavity tube 2 is fixed on the top surface of the grip rod 1. At the same time, when the cavity tube 2 is pulled up forcefully, the limiting block 19 is squeezed and contracted into the limiting groove 17, so that the separation and disassembly between the grip rod 1 and the cavity tube 2 can be realized.

[0029] In actual use, when the construction workers finish the roller brushing step on the wall surface, the roller brush body 4 rolls and rotates along the wall. During this process, the scraper 7 will scrape off the residual paint on the surface of the roller brush body 4. When the scraper 7 is pulled horizontally to the right, it can be removed from the top of the scraper fixing frame 10. By fixing the top surface of the clamping strip 9 to the bottom surface of the scraper 7, the scraper 7 can be removed from the top surface of the scraper fixing frame 10 for replacement. When there is no need to scrape off the paint on the surface of the roller brush body 4, the retraction rod 6 can be retracted away from the roller brush body 4 by the elastic force of the retraction spring 12, and is sleeved on the surface of the cavity tube 2 through the inner ring of the sleeve block 3, so that the convex ball block 11 is moved inside the retraction groove 13 by the elastic force of the extrusion spring 14, so that the convex ball block 11 is clamped in the through hole 2 1, so that the sleeve block 3 is firmly installed on the surface of the cavity tube 2 to fix the roller brush body 4, and at the same time, the convex ball block 11 is pressed to shrink it to the inside of the shrinkage groove 13, and then the sleeve block 3 is pulled upward to realize the removal of the roller brush body 4 from the surface of the cavity tube 2, and the cavity tube 2 is firmly installed on the top surface of the grip 1 by plugging the plug block 15 into the surface of the stabilizing groove 16, and the cavity tube 2 is firmly installed on the top surface of the grip 1, and the elastic force of the return spring 18 makes the limit block 19 move inside the limit groove 17, so that the surface of the limit block 19 is plugged into the inside of the triangular groove 20, so that the cavity tube 2 is fixed on the top surface of the grip 1, and at the same time, when the cavity tube 2 is pulled upward with force, the limit block 19 is squeezed and shrunk to the inside of the limit groove 17, so that the separation and disassembly between the grip 1 and the cavity tube 2 can be realized.

[0030] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A paint roller brush, comprising a hollow tube (2), characterized in that: The surface of the cavity tube (2) is movably sleeved with a sleeve block (3); the top surface of the sleeve block (3) is fixedly connected to the bottom end of the support frame of the roller brush body (4); the surface of the support frame of the roller brush body (4) is movably connected to the inner ring surface of a rectangular movable ring (5); the surface of the rectangular movable ring (5) is fixedly connected to the end of the scraper fixing frame (10); a slot (8) is provided on the top surface of the scraper fixing frame (10); a clamping strip (9) is clamped on the surface of the slot (8); the top surface of the clamping strip (9) is fixed to the bottom surface of the scraper (7); the bottom surface of the scraper fixing frame (10) is fixed to the top of the contraction rod (6); the surface of the contraction rod (6) is movably connected to the inside of the cavity tube (2); the surface of the contraction rod (6) is movably sleeved to the inside of a contraction spring (12); and the contraction spring (12) is arranged inside the cavity tube (2).

2. A paint roller brush according to claim 1, characterized in that: A contraction groove (13) is provided inside the cavity tube (2), a compression spring (14) is arranged inside the contraction groove (13), a convex ball block (11) is movably connected to the surface of the contraction groove (13), the surface of the convex ball block (11) is clamped inside the through hole (21), and the through hole (21) is provided on the surface of the sleeve block (3).

3. A paint roller brush according to claim 1, characterized in that: The bottom surface of the cavity tube (2) is fixedly connected to the top surface of the plug-in block (15), the surface of the plug-in block (15) is plugged into the inside of the stabilizing groove (16), the stabilizing groove (16) is arranged on the top surface of the gripping rod (1), the surface of the stabilizing groove (16) is arranged with a triangular groove (20), the surface of the triangular groove (20) is plugged with a limiting block (19), the surface of the limiting block (19) is movably connected to the inside of the limiting groove (17), a reset spring (18) is arranged inside the limiting groove (17), and the reset spring (18) is arranged on the surface of the side plate of the plug-in block (15).

4. A paint roller brush according to claim 3, characterized in that: The cross-section of the limit block (19) is arranged in a trapezoidal shape, and the inclined surface of the limit block (19) faces upward.

5. A paint roller brush according to claim 3, characterized in that: The plug-in block (15) and the stabilizing groove (16) are both arranged in a rectangular shape.

6. A paint roller brush according to claim 3, characterized in that: The stabilizing groove (16) is communicated with the triangular groove (20), and two triangular grooves (20) are arranged symmetrically along the center point of the handle (1).