Multi-roller coating brush

By designing a telescopic rod and a motor-driven worm gear mechanism for a multi-roller paint brush, the problem of adjusting the length and angle of the paint brush was solved, improving operational convenience and safety, adapting to different working scenarios, and increasing work efficiency.

CN224101125UActive Publication Date: 2026-04-10ZAOZHUANG ZHENGHE BRUSH MAKING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZAOZHUANG ZHENGHE BRUSH MAKING CO LTD
Filing Date
2025-04-21
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing paintbrushes have a fixed length and cannot be flexibly adjusted according to different work scenarios and user needs. This makes it difficult to operate when painting high places or going into narrow spaces, increasing the danger and reducing work efficiency.

Method used

A multi-roller paint brush was designed, which uses a telescopic rod and an adjustment assembly. The length of the telescopic rod can be adjusted by rotating the outer shell, and the roller angle can be adjusted by a worm gear mechanism driven by a motor. The assembly can be detached and fixed by a locking post and groove structure, making it easy to replace the roller.

Benefits of technology

It enables flexible adjustment of paint brush length and angle, improving the convenience and safety of operation, adapting to different work scenarios, and improving work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of paint brushes, and discloses a multi-roller paint brush which comprises a grip and a shell, a telescopic rod is connected to the interior of the grip in a sliding mode, an adjusting assembly is installed outside the grip, and a replacing assembly is installed at the end of the telescopic rod; the adjusting assembly comprises a fixing ring, the fixing ring is fixedly connected to the end of the grip, the outer portion of the fixing ring is in threaded connection with a shell, the replacing assembly comprises a mounting shell, the outer portion of the mounting shell is fixedly connected to the outer portion of the telescopic rod, and the outer portion of the mounting shell is fixedly connected with a clamping column. The exterior of the shell is fixedly connected with a mounting block, and a groove is formed in the exterior of the mounting block. According to the paint brush, the telescopic rod extends out of and retracts back to the interior of the grip by rotating the shell, and therefore the overall length of the paint brush is adjusted. The adjusting mode is easy to operate and can quickly adapt to different working scenes, and the working efficiency is greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to paint brush technical field especially relates to a multi roller paint brush. BACKGROUND

[0002] There are many kinds of paint brushes, which can be divided into hard hair brushes and soft hair brushes according to bristles, and the hard hair brushes are mostly made of pig bristles (or horse hair);The soft hair brush is mostly made of wool, and also has made with cat hair, wolf hair, according to the shape of paint brush, it is divided into flat brush, round brush, skew handle brush, row pen brush, flat pen brush, board brush etc.

[0003] The paint brush includes traditional single roller hand paint brush and some simple electric paint brush, generally by handle, connecting part and single roller are formed.

[0004] Most of the length of the existing paint brush is fixed, cannot be adjusted according to the different working scene and the demand of user.In some work that needs to be painted higher position or to go into narrow space, the fixed length paint brush cannot meet the operation requirement, the user often needs to use the ladder and other auxiliary tools, not only increases the danger of operation, also reduces work efficiency, therefore, a multi roller paint brush is provided to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortage, the utility model provides a multi roller paint brush, aims at improving the length of the paint brush in prior art is fixed, cannot be adjusted.

[0006] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0007] A multi roller paint brush, including handle and shell, the inside of the handle is slidably connected with telescopic rod, the outside of the handle is installed with adjusting assembly, the end of the telescopic rod is installed with replacement assembly;

[0008] The adjusting assembly includes fixed ring, the fixed ring is fixedly connected at the end of the handle, the outside of the fixed ring is threadedly connected with shell;

[0009] As a further description of the above technical scheme:

[0010] The replacement assembly includes installation shell, the outside of the installation shell is fixedly connected with telescopic rod, the outside of the installation shell is fixedly connected with clamping column, the outside of the shell is fixedly connected with mounting block, the outside of the mounting block is provided with recess, and the recess is clamped with the clamping column;

[0011] As a further description of the above technical scheme:

[0012] The motor seat is fixedly connected to the outside of the shell, the driving motor is fixedly connected to the inside of the motor seat, the output end of the driving motor is fixedly connected with a worm, and the inside of the shell is rotationally connected with a worm wheel, and the worm wheel is engaged with the worm.

[0013] As a further description of the above technical solution:

[0014] The middle part of the shell is fixedly connected with a rotating shaft, the inside of the rotating shaft is fixedly connected with a connecting rod, and the outside of the connecting rod is rotationally connected with a roller.

[0015] As a further description of the above technical solution:

[0016] The telescopic rod is slidingly connected to the inside of the fixed ring, and the inside of the shell is slidingly connected to the outside of the telescopic rod.

[0017] As a further description of the above technical solution:

[0018] The middle part of the shell is provided with a sliding groove, and the outside of the connecting rod is slidingly connected to the inside of the sliding groove.

[0019] As a further description of the above technical solution:

[0020] The inside of the groove is fixedly connected with a spring rod, and the surface of the clamping column is in contact with the spring rod.

[0021] As a further description of the above technical solution:

[0022] The outside of the handle is fixedly connected with a hanging ring.

[0023] The utility model has the following beneficial effects:

[0024] 1、The utility model discloses a telescopic rod is realized from the inside of the handle of the extension and retraction, thereby adjusting the overall length of the paint brush.

[0025] 2、The utility model discloses a clamping column and groove are separated from the clamping, and it is convenient to assemble and disassemble. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 A three-dimensional schematic view of a multi-roller paint brush is provided for the utility model;

[0027] Figure 2A structure schematic view of the fixing ring of the multi-roller paint brush is provided in the utility model.

[0028] Figure 3 A structure schematic view of the worm of the multi-roller paint brush is provided in the utility model.

[0029] Legend:

[0030] 1, handle; 2, shell; 3, telescopic rod; 4, hanging ring; 5, connecting rod; 6, roller; 7, fixing ring; 8, mounting shell; 9, clamping column; 10, mounting block; 11, recess; 12, spring rod; 13, driving motor; 14, motor base; 15, rotating shaft; 16, worm wheel; 17, worm; 18, sliding groove; 19, shell. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0032] Reference Figure 1 - Figure 3The utility model provides an embodiment: a kind of multi-roller paint brush, including handle 1 and shell 19, the inside sliding connection of handle 1 is equipped with telescopic link 3, adjusting assembly is installed to the outside of handle 1, the end of telescopic link 3 is equipped with replacement assembly;Adjusting assembly includes fixed ring 7, fixed ring 7 is fixedly connected at the end of handle 1, the outside of fixed ring 7 is threadedly connected with shell 2, by rotating shell 2, telescopic link 3 is stretched out from the inside of handle 1, again rotating shell 2 in reverse direction extrudes the end of fixed ring 7 away from handle 1, so that it is clamped and fixed to the length of telescopic link 3 carries out.The outside of shell 19 is fixedly connected with motor base 14, motor base 14 is fixedly connected with driving motor 13 in the inside, the output of driving motor 13 is fixedly connected with worm 17, the inside of shell 19 is rotatably connected with worm wheel 16, and worm wheel 16 is engaged with worm 17.The middle of shell 19 is fixedly connected with rotating shaft 15, and rotating shaft 15 is fixedly connected with connecting rod 5 in the inside, and connecting rod 5 is rotatably connected with roller 6 outside.Telescopic link 3 is slidingly connected in the inside of fixed ring 7, and the inside of shell 2 is slidingly connected in the outside of telescopic link 3.The middle of shell 19 is equipped with sliding slot 18, and the inside of sliding slot 18 is slidingly connected with the outside of connecting rod 5, and worm 17 is rotated to driving motor 13 worm 17, so as to drive connecting rod 5 to slide in the inside of sliding slot 18, realize the angle adjustment of roller 6, and worm wheel 16 worm 17 has the characteristics of self-locking, when driving motor 13 stops rotating, worm wheel 16 worm 17 mechanism can be locked, so that roller 6 keeps angle, and it is convenient for operator to use.

[0033] Referring to Figure 2 And Figure 3 Replacement assembly includes installation shell 8, and the outside of installation shell 8 is fixedly connected in the outside of telescopic link 3, and the outside of installation shell 8 is fixedly connected with clamping column 9, and the outside of installation block 10 is fixedly connected with shell 19, and recess 11 is formed in the outside of installation block 10, and recess 11 is clamped with clamping column 9, when shell 19 is installed, clamping column 9 is aligned with recess 11, and installation shell 8 or shell 19 is rotated, and clamping column 9 will be clamped into recess 11, realize the installation of shell 19 and telescopic link 3, when replacing roller 6, make clamping column 9 and recess 11 disengage clamping, replace roller 6, use clamping column 9 and recess 11, it is convenient to disassemble and assemble roller 6, it is convenient to replace and maintain the equipment.The inside of recess 11 is fixedly connected with spring rod 12, and the surface of spring rod 12 is contacted with clamping column 9, under the action of spring rod 12, clamping column 9 is extruded, and clamping column 9 is fixed in recess 11 inside, avoid the risk of falling in use. The outside of handle 1 is fixedly connected with hanging ring 4, and hanging ring 4 can be used for hanging paint brush, and it is convenient to store the device.

[0034] Working principle: by rotating the shell 2, the telescopic rod 3 is stretched from the inside of the handle 1, and then the shell 2 is rotated in the opposite direction to tighten it. Under the action of the shell 2, the fixed ring 7 is extruded away from the end of the handle 1, so that it clamps and fixes the length of the telescopic rod 3, thereby realizing the adjustment of the overall length of the paint brush to adapt to different working scenes.

[0035] When it is necessary to replace the roller 6, the shell 19 is rotated, the spring rod 12 is extruded under the action of the force, the clamping column 9 is disengaged from the groove 11, and the shell 19 can be removed from the mounting shell 8. When installing, the clamping column 9 is aligned with the groove 11, the mounting shell 8 or the shell 19 is rotated, the clamping column 9 is clamped into the groove 11, the installation of the shell 19 is completed, the clamping column 9 is extruded under the action of the spring rod 12, the clamping column 9 is fixed in the groove 11, and the risk of falling during use is avoided. The driving motor 13 is started, the worm 17 is rotated, thereby driving the connecting rod 5 connected thereto to slide in the sliding groove 18, facilitating the angle adjustment of the roller 6, and facilitating the use of the operator.

[0036] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A multi-roller paint brush, comprising a handle (1) and a housing (19), characterized in that: The handle (1) is internally slidably connected to a telescopic rod (3), the handle (1) is externally equipped with an adjustment component, and the end of the telescopic rod (3) is equipped with a replacement component; The adjustment assembly includes a retaining ring (7) which is fixedly connected to the end of the handle (1), and the outer shell (2) is threadedly connected to the outside of the retaining ring (7).

2. The multi-roller paint brush according to claim 1, characterized in that: The replacement component includes a mounting shell (8), which is fixedly connected to the outside of the telescopic rod (3). A locking post (9) is fixedly connected to the outside of the mounting shell (8). A mounting block (10) is fixedly connected to the outside of the housing (19). A groove (11) is provided on the outside of the mounting block (10), and the groove (11) engages with the locking post (9).

3. A multi-roller paint brush according to claim 1, characterized in that: A motor mount (14) is fixedly connected to the outside of the housing (19), and a drive motor (13) is fixedly connected inside the motor mount (14). A worm gear (17) is fixedly connected to the output end of the drive motor (13), and a worm wheel (16) is rotatably connected to the inside of the housing (19). The worm wheel (16) meshes with the worm gear (17).

4. A multi-roller paint brush according to claim 1, characterized in that: A rotating shaft (15) is fixedly connected to the middle of the housing (19), a connecting rod (5) is fixedly connected inside the rotating shaft (15), and a roller (6) is rotatably connected to the outside of the connecting rod (5).

5. A multi-roller paint brush according to claim 1, characterized in that: The telescopic rod (3) is slidably connected to the inner side of the fixed ring (7), and the inner side of the outer shell (2) is slidably connected to the outer side of the telescopic rod (3).

6. A multi-roller paint brush according to claim 4, characterized in that: The housing (19) has a groove (18) in the middle, and the connecting rod (5) is slidably connected to the inside of the groove (18).

7. A multi-roller paint brush according to claim 2, characterized in that: A spring rod (12) is fixedly connected inside the groove (11), and the spring rod (12) is in contact with the surface of the locking post (9).

8. A multi-roller paint brush according to claim 1, characterized in that: The grip (1) is externally fixedly connected to a hanging ring (4).