Coating brush

By controlling the support plate and roller of the paint brush to bend into a ring shape using an electric telescopic rod, the problem of insufficient contact area when the paint brush is applied to the ring surface is solved, resulting in a more efficient and uniform coating effect.

CN223873493UActive Publication Date: 2026-02-06JIANGXI YANYUCHEN NEW MATERIAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520530238.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-02-06
Estimated Expiration
2035-03-25

AI Technical Summary

Technical Problem

Existing paint brushes have limited contact area when painting a circular surface, resulting in low painting efficiency and unevenness.

Method used

A paint brush was designed that uses an electric telescopic rod to control the movement of the connecting rod and guide rod, causing the support plate to move closer together, so that the mounting shaft and brush roller elastically bend into a ring, increasing the contact area with the ring surface.

Benefits of technology

It increases the coating area and efficiency, and ensures uniform coating.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of paint brushing, and discloses a paint brush which comprises a control panel and a brush roller, the end of the control panel is symmetrically connected with two L-shaped supporting plates in a sliding mode, the end of each supporting plate is rotationally connected with an installation shaft made of elastic materials, the brush roller is arranged on the installation shaft in a sleeved mode, an electric telescopic rod is arranged in the control panel, and the electric telescopic rod is connected with the control panel. Grooves are symmetrically formed in the inner side walls of the supporting plates, guide grooves are formed in the grooves, connecting rods are fixedly connected to the ends of the electric telescopic rods, guide rods are fixedly connected to the ends of the connecting rods, guide balls are connected to the two sides of each guide rod in a rolling mode, and the guide balls are arranged in the guide grooves in a sliding mode. The brush roll can be changed into a ring shape, so that the contact area of the brush roll and the ring surface is increased, and the brushing area and efficiency are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to paint brushing technical field especially is related to a paint brush. BACKGROUND

[0002] In the family decoration and commercial building decoration, paint is indispensable material, and paint brush is widely used as paint tool.

[0003] In the prior art, the paint brush is generally a forkable brush or a straight-line type roller brush, when facing a torus, the contact area of the roller brush with the torus is limited, and the brushing efficiency is low; although the forked brush can increase the contact area with the torus, the painting is uneven, and the brushing area is not complete. SUMMARY

[0004] (I) technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a paint brush to solve the problems mentioned in the background art.

[0006] (II) technical scheme

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a paint brush, including control panel and brush roll, the both ends of control panel are symmetrically connected with two L-shaped supporting plates through sliding connection, the end of supporting plate is rotatably connected with the mounting shaft made of elastic material, the brush roll is sleeved on the mounting shaft, the control panel is provided with an electric telescopic rod, the inner wall of supporting plate is symmetrically provided with a groove, the groove is provided with a guide groove, the end of electric telescopic rod is fixedly connected with a connecting rod, the end of connecting rod is fixedly connected with a guide rod, the both sides of guide rod are rotatably connected with guide balls, and the guide balls are slidably arranged in the guide groove.

[0008] Preferably, the mounting shaft is composed of two semicylinders, the semicylinder away from the control panel is made of spring steel, and the other semicylinder is made of colloid.

[0009] Preferably, the control panel is provided with a gripping part, the gripping part is provided with a control button, and the control panel is provided with a battery.

[0010] Beneficial effects

[0011] The utility model provides a paint brush, has the following beneficial effects: the brush roll can be changed into annular, so as to increase the contact area with the torus, improve the brushing area and efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is whole three-dimensional structure schematic diagram of utility model;

[0013] Fig. 2 is a schematic view of the utility model as a whole from above;

[0014] Fig. 3 is a schematic view of the utility model installation shaft section.

[0015] In the figure: 1, control panel; 101, support plate; 102, installation shaft; 103, electric telescopic rod; 104, groove; 105, guide slot; 106, connecting rod; 107, guide rod; 108, guide ball; 2, brush roller; 3, grip part; 4, control button; 5, battery. DETAILED DESCRIPTION

[0016] 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 other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0017] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0018] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features, so that the features with "first" and "second" can explicitly or implicitly include one or more of the features, and in the description of the utility model, the meaning of "multiple" is two or more, unless otherwise explicitly and specifically limited.

[0019] EMBODIMENT

[0020] As Figs. 1-3The utility model provides a kind of paint brush, including control panel 1 and brush roll 2, two L-shaped support plates 101 are symmetrically slidably connected to the end of control panel 1, the end of support plate 101 is rotatably connected with the mounting shaft 102 of elastic material, the brush roll 2 is set on the mounting shaft 102, the electric telescopic rod 103 is provided in control panel 1, recess 104 is symmetrically provided on the inner side wall of support plate 101, guide groove 105 is provided in recess 104, the end of electric telescopic rod 103 is fixedly connected with connecting rod 106, connecting rod 106 end is fixedly connected with guide rod 107, guide rod 107 both sides are rotatably connected with guide ball 108, guide ball 108 is slidably arranged in guide groove 105.

[0021] Specifically: when painting annular surface, electric telescopic rod 103 controls connecting rod 106 and guide rod 107 to move to right side, under the action of guide ball 108 and guide groove 105, drive two support plates 101 to approach each other, so as to extrude mounting shaft 102 and brush roll 2, mounting shaft 102 and brush roll 2 are elastically bent, so that brush roll 2 is annular, so as to increase the contact area with annular surface, improve painting area and efficiency.

[0022] Mounting shaft 102 is composed of two semicylinders, the semicylinder away from control panel 1 side is made of spring steel, and the other semicylinder is made of colloid, and the colloid is more flexible than spring steel, so when mounting shaft 102 is bent under stress, mounting shaft 102 will protrude towards control panel 1, so that the concave surface of brush roll 2 faces the annular surface to be painted, ensuring the progress of painting work.

[0023] The spring steel is a common steel material commonly used for spring manufacturing.

[0024] Gripping portion 3 is provided on control panel 1, control button 4 is provided on gripping portion 3 for controlling the telescopic function of electric telescopic rod 103, and battery 5 is provided in control panel 1, which provides electric energy for electric telescopic rod 103.

[0025] The utility model working principle: when painting annular surface, electric telescopic rod 103 controls connecting rod 106 and guide rod 107 to move to right side, under the action of guide ball 108 and guide groove 105, drive two support plates 101 to approach each other, so as to extrude mounting shaft 102 and brush roll 2, mounting shaft 102 and brush roll 2 are elastically bent, so that brush roll 2 is annular, so as to increase the contact area with annular surface, improve painting area and efficiency.

[0026] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0027] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A paint brush comprising a control plate (1) and a brush roller (2), characterized in that: The control plate (1) end symmetrically slidingly connected with two L-shaped support plates (101), the support plate (101) end rotatably connected with the mounting shaft (102) of elastic material, the brush roller (2) is set on the mounting shaft (102), the control plate (1) is provided with electric telescopic rod (103), the inside wall of the support plate (101) is symmetrically provided with recess (104), the recess (104) is provided with guide slot (105), the end of the electric telescopic rod (103) is fixedly connected with connecting rod (106), the end of the connecting rod (106) is fixedly connected with guide rod (107), the both sides of the guide rod (107) are rotatably connected with guide ball (108), the guide ball (108) is slidingly arranged in the guide slot (105).

2. A paint brush according to claim 1, wherein: The mounting shaft (102) is composed of two semicylinders, the semicylinder away from the control plate (1) side is made of spring steel, and the other semicylinder is made of colloid.

3. A paint brush according to claim 1, wherein: The control plate (1) is provided with a gripping portion (3), the gripping portion (3) is provided with a control button (4), and the control plate (1) is provided with a battery (5).