Roller brush for trunk
By designing a deformable roller sleeve and a connecting component for the tree trunk roller brush, the problems of low efficiency in coating the curved surface of tree trunks and complex disassembly of the roller sleeve in the existing technology are solved, realizing efficient coating and convenient replacement, and improving the ease of operation and stability.
Patent Information
- Application Number
- CN202422691287.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-11-05
AI Technical Summary
Existing roller brushes cannot effectively coat the curved surfaces of tree trunks or pillars, resulting in low coating efficiency, high labor intensity, and complex disassembly of the roller sleeve.
A tree trunk roller brush was designed, comprising a handle bracket, a deformable roller sleeve, and a connecting assembly. The roller sleeve is fixed by a combination of a shaft assembly and an end cap, achieving good coating of curved surfaces and supporting quick replacement of the roller sleeve.
It improves the efficiency of whitewashing tree trunks, reduces labor intensity, simplifies the replacement process of roller sleeves, and enhances operational convenience and stability.
Smart Images

Figure CN223733097U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to plant garden tree trunk white coating technical field especially, a kind of tree trunk is used roller brush. BACKGROUND
[0002] The main role of plant garden tree trunk white coating technology is to protect trees, which can reflect sunlight, prevent the temperature of tree trunk from being too high, reduce the occurrence of cracks and diseases, in addition, white coating can also prevent insect pests, and help reduce the impact of winter frost injury on trees.
[0003] In the prior art, a roller brush is generally used to roll brush and coat the tree trunk. However, the general roller brush cannot be deformed and bent, and the coating effect on the arc surface or cylindrical surface of the rolled brush tree trunk or column is poor. It can only be applied to rolling brush flat objects such as wall surface, board surface and advertising board. When the user holds the roller brush to roll brush up and down on the surface of the tree trunk, the actual contact area between the surface of the roller brush and the surface of the plant tree trunk is small, the range covered by each rolling brush is small, the rolling brush efficiency is low, and the worker needs to roll brush many times to coat the whole circle of the tree trunk, which leads to long rolling brush time of the worker, large labor intensity, poor rolling brush effect, and the need to replace the roller sleeve when coating different materials. However, the general roller brush has a complex roller sleeve dismounting structure, and cannot realize quick replacement of the roller sleeve. UTILITY MODEL CONTENT
[0004] The utility model aims to provide a kind of tree trunk is used roller brush, it is designed to at least solve one of the technical problems existing in prior art.
[0005] To achieve the above-mentioned purpose, in the first aspect, the technical scheme of the utility model provides a kind of tree trunk is used roller brush, comprising:
[0006] Handle support;
[0007] Roller sleeve, the roller sleeve is deformable soft cloth or elastic material, and both ends of the roller sleeve are open.
[0008] Two connecting assemblies, two connecting assemblies each include a shaft assembly and a first end cover, the first end cover is rotatably mounted on the handle support by the shaft assembly, and the first end covers of two connecting assemblies are oppositely spaced, the roller sleeve is arranged between two first end covers, to set the two end openings of the roller sleeve on two first end covers and be fixed.
[0009] Further, the connecting assembly further comprises a second end cover, an outer end of the first end cover is provided with a receiving groove, two ends of the drum sleeve are respectively received in the receiving grooves of the two first end covers, the second end cover is rotatably sleeved on the shaft rod assembly, and the second end cover is located between the first end cover and the handle support, so that the two second end covers are respectively buckled in the receiving grooves of the two first end covers, and the two ends of the drum sleeve are respectively fixed.
[0010] Further, the two connecting assemblies are coaxially arranged.
[0011] Further, the handle support is provided with two opposite protruding connecting portions, connecting holes are formed in the two protruding connecting portions, and the two connecting assemblies are respectively installed on the two protruding connecting portions by being connected to the connecting holes through the shaft rod assemblies.
[0012] Further, the shaft rod assembly comprises two groups, and the shaft rod assembly comprises:
[0013] a bolt connected with the connecting hole, and the first end cover and the second end cover are rotatably arranged on the bolt;
[0014] a first nut arranged on the bolt;
[0015] a second nut arranged on the bolt, and the second nut and the first nut are respectively located on the two sides of the protruding connecting portion, so that the bolt is relatively fixed with the handle support by the first nut and the second nut;
[0016] wherein the bolts of the two groups of shaft rod assemblies are respectively and correspondingly arranged on the two protruding connecting portions.
[0017] Further, the bolt comprises a head and a screw rod, the head is located at an end of the bolt away from the protruding connecting portion, a center hole is formed in the center of the first end cover, the diameter of the head is greater than the diameter of the center hole, the first end cover is arranged on the screw rod through the center hole, the first end cover is located between the head and the first nut, an avoiding hole is formed in the center of the second end cover, the second end cover is arranged on the screw rod through the avoiding hole, and the second end cover is located between the first end cover and the first nut.
[0018] Further, the screw rod comprises a threaded portion and a smooth portion, the first nut and the second nut are located on the threaded portion, and the first end cover and the second end cover are located on the smooth portion.
[0019] Further, the center hole has a diameter smaller than a diagonal distance of the first nut, so as to limit the position of the first end cover between the head and the first nut when the first end cover is rotationally mounted on the bolt.
[0020] Further, the roller sleeve is made of water-absorbing fleece fabric, sponge or rubber material.
[0021] Further, the handle support comprises a handle and a support body, and the extending direction of the handle is perpendicular to the concentric shafts of the two connecting assemblies.
[0022] As can be seen from the above technical solution, the trunk roller brush is characterized in that: the connecting assemblies are respectively installed on the two sides of the handle support, the two ends of the roller sleeve are respectively installed on the two sides of the handle support through the two connecting assemblies, the roller sleeve is hollow and made of deformable fabric or elastic material, so that the roller sleeve can be elastically deformed when rolling, thereby achieving a good coating effect on the arc surface or cylindrical surface of the tree trunk or column.
[0023] In order to make the technical concept and other purposes, advantages, features and effects of the present application more clearly understood, the preferred embodiments will be described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS
[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0025] Figure 1 is a perspective view of a trunk roller brush provided by the present application;
[0026] Figure 2 is a partial structure exploded view of a trunk roller brush provided by the present application;
[0027] Figure 3is a front view of a sectional view of a trunk roller brush provided by the embodiment of the present application;
[0028] Figure 4 is a partial sectional view of a trunk roller brush provided by the embodiment of the present application;
[0029] Figure 5 is a structural schematic diagram of a connecting assembly provided by the embodiment of the present application;
[0030] Figure 6 is a structural schematic diagram of a roller sleeve shrinkage provided by the embodiment of the present application;
[0031] Among the above drawings, the following reference signs are included:
[0032] 100, handle support; 110, protruding connecting part; 120, connecting hole; 130, frame body; 140, handle;
[0033] 200, connecting assembly; 210, shaft rod assembly; 211, bolt; 211a, head; 211b, screw rod; 211c, threaded part; 211d, smooth part; 212, first nut; 213, second nut; 220, first end cover; 221, accommodating groove; 222, center hole; 230, second end cover; 231, avoiding hole;
[0034] 300, roller sleeve. DETAILED DESCRIPTION
[0035] In order for those skilled in the art to better understand the technical solutions of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0036] Please see Figures 1 to 6The embodiment provides a trunk roller brush which comprises a handle support 100, a roller sleeve 300 and two connecting assemblies 200, the roller sleeve 300 is made of deformable cloth or elastic material, and the two ends of the roller sleeve 300 are provided in an open mode, the connecting assembly 200 comprises a shaft rod assembly 210, a first end cover 220 and a second end cover 230, the shaft rod assembly 210 is installed on the handle support 100, the first end cover 220 is rotatably installed on the shaft rod assembly 210, the first end covers 220 of the two connecting assemblies 200 are oppositely and spacedly arranged, one end of the first end cover 220 outwardly is provided with a containing groove 221, so that the two ends of the roller sleeve 300 are respectively accommodated in the containing grooves 221 of the two first end covers 220, and the second end cover 230 is rotatably installed on the shaft rod assembly 210 and is located between the first end cover 220 and the handle support 100, so that the two second end covers 230 are respectively buckled in the containing grooves 221 of the two first end covers 220, thereby respectively fixing the two ends of the roller sleeve 300.
[0037] It can be seen that the trunk roller brush comprises the handle support 100, the roller sleeve 300 and the two connecting assemblies 200, the two ends of the roller sleeve 300 are respectively installed on the two sides of the handle support 100 through the two connecting assemblies 200, the roller sleeve 300 is hollow and is made of deformable cloth or elastic material, so that the roller sleeve 300 can be elastically deformed when rolling, thereby achieving the effect that the arc surface or the cylindrical surface of the rolled trunk or column is coated well, the connecting assembly 200 comprises the shaft rod assembly 210, the first end cover 220 and the second end cover 230, the shaft rod assembly 210 is installed on the handle support 100, the first end cover 220 and the second end cover 230 are rotatably installed on the handle support 100 through the shaft rod assembly 210, one end of the first end cover 220 is installed in the sleeve, the containing groove 221 of the first end cover 220 is outwardly arranged, the end of the roller sleeve 300 is accommodated in the containing groove 221, and the second end cover 230 is buckled in the containing groove 221 of the first end cover 220, thereby fixing the end of the roller sleeve 300, the other end of the roller sleeve 300 is installed on the other connecting assembly 200 through the above method, so that the installation of the roller sleeve 300 is realized, and the roller sleeve 300 is simple in dismounting structure and can be quickly installed.
[0038] Further, Figures 1 to 3The two connecting assemblies 200 are coaxially arranged, and since the two ends of the roller sleeve 300 are respectively mounted on the two connecting assemblies 200, the coaxial arrangement of the two connecting assemblies 200 can ensure that the force received by the roller brush is uniformly distributed during brushing, thereby reducing the pressure on a single connecting point, prolonging the service life of the product, and maintaining the balance of the roller brush during use, reducing shaking or instability caused by eccentricity, and providing a more stable operation experience.
[0039] In the embodiment, referring to Figures 1 to 4 The handle support 100 is provided with two opposite protruding connecting portions 110, and the two protruding connecting portions 110 are respectively provided with connecting holes 120. The two connecting assemblies 200 are respectively mounted on the two protruding connecting portions 110 by connecting the shaft rod assemblies 210 to the two connecting holes 120. In this way, the connecting assemblies 200 can be more stably mounted on the handle support 100, thereby enhancing the stability of the overall structure and the reliability during use, and improving the operation convenience and durability of the roller brush for tree trunks.
[0040] Further, referring to Figures 1 to 5 The shaft rod assembly 210 includes a bolt 211, a first nut 212, and a second nut 213. The bolt 211 is connected to the connecting hole 120. The first end cover 220 and the second end cover 230 are rotatably arranged on the bolt 211. The first nut 212 is mounted on the bolt 211. The second nut 213 is mounted on the bolt 211, and the second nut 213 and the first nut 212 are respectively located on the two sides of the protruding connecting portion 110. The first nut 212 and the second nut 213 are used to relatively fix the bolt 211 to the handle support 100. The two bolts 211 of the two shaft rod assemblies 210 are respectively and correspondingly mounted on the two protruding connecting portions 110.
[0041] The shaft rod assembly 210 is used to rotatably mount the first end cover 220 and the second end cover 230 to the handle support. The shaft rod assembly 210 includes a bolt 211, a first nut 212, and a second nut 213. The bolt 211 is connected to the connecting hole 120. The first nut 212 and the second nut 213 are arranged on the bolt 211 and located on the two ends of the protruding connecting portion 110. The first nut 212 and the second nut 213 are used to tighten the protruding connecting portion 110, thereby achieving the effect of fixedly mounting the bolt 211 to the protruding connecting portion 110.
[0042] Further, referring to Figures 2 to 5The bolt 211 includes a head 211a and a screw rod 211b, the head 211a is located at one end of the bolt 211 away from the convex connecting part 110, the first end cover 220 is provided with a center hole 222 in the center, the diameter of the head 211a is greater than the diameter of the center hole 222, so that the first end cover 220 is installed on the screw rod 211b through the center hole 222, the first end cover 220 is located between the head 211a and the first nut 212, the second end cover 230 is provided with a avoiding hole 231 in the center, so that the second end cover 230 is installed on the screw rod 211b through the avoiding hole 231, and the second end cover 230 is located between the first end cover 220 and the first nut 212.
[0043] In the first end cover 220, the center hole 222 is provided in the center to enable the first end cover 220 to be rotatably installed on the screw rod 211b through the center hole 222, the diameter of the head 211a of the screw rod 211b is greater than the diameter of the center hole 222, so that the first end cover 220 is limited between the head 211a of the screw rod 211b and the first nut 212, and the first end cover 220 cannot be separated from one side of the head 211a of the screw rod 211b.
[0044] Specifically, in one embodiment, when the end of the drum cover 300 is clamped between the first end cover 220 and the second end cover 230, the first end cover 220 is tightly fitted in the accommodating groove 221 of the second end cover 230, so as to prevent the second end cover 230 from being separated from the first end cover 220 when the drum cover 300 is rolled on the surface of the brush tree trunk, thereby causing the drum cover 300 to be loose or separated. In other embodiments, the first end cover 220 and the second end cover 230 are connected by a buckle connection, so that the end of the drum cover 300 is stably embedded in the accommodating groove 221 of the first end cover 220, thereby avoiding the drum cover 300 from being easily separated, and the structure design is more stable and reliable. The buckle connection can adopt the existing convex buckle and card slot cooperation mode, of course, the first end cover 220 and the second end cover 230 can also be fixedly installed relative to each other by a bolt connection mode.
[0045] The assembly process of the roller brush is as follows: firstly, the bolt 211 is inserted into the center hole 222 from the side away from the accommodating groove 221, so that the first end cover 220 is rotatably installed on the bolt 211, the first end cover 220 is installed into one end of the roller sleeve 300, the accommodating groove 221 is arranged outward, then the end of the roller sleeve 300 is accommodated into the accommodating groove 221, and the second end cover 230 is buckled into the accommodating groove 221, so as to fix one end of the roller sleeve 300, the first nut 212 is screwed onto the bolt 211, after installation, the bolt 211 is inserted into the connecting hole 120, and finally the second nut 213 is screwed from the end away from the first nut 212, so that the first nut 212 and the second nut 213 are located on both sides of the protruding connecting part 110, and the first nut 212 and the second nut 213 are screwed to one end of the protruding connecting part 110, so that the bolt 211 is relatively fixed with the handle support 100, and the above achieves the effect that one end of the roller sleeve 300 is rotatably connected to the protruding connecting part 110, and the other end is also arranged as above, so that the roller sleeve 300 is rotatably installed on the handle support 110.
[0046] Preferably, referring to Figure 5 , the screw rod 211b comprises a threaded part 211c and a smooth part 211d, the first nut 212 and the second nut 213 are located on the threaded part 211c, and the first end cover 220 and the second end cover 230 are located on the smooth part 211d. Through the arrangement of the smooth part 211d and the arrangement of the first end cover 220 and the second end cover 230 on the smooth part 211d, the design of the screw rod 211b comprising the threaded part 211c and the smooth part 211d enables the first nut 212 and the second nut 213 to be firmly fixed on the threaded part 211c, thereby effectively preventing the loosening of the connecting assembly 200 during use and ensuring the stability of the roller brush during operation. The arrangement of the smooth part 211d enables the first end cover 220 and the second end cover 230 to rotate relatively freely, which is very important for the use of the roller brush, because it needs to rotate flexibly during cleaning in order to better fit the surface of different shapes of tree trunks.
[0047] Further, the diameter of the center hole 222 is smaller than the diagonal distance of the first nut 212, so that the position of the first end cover 220 is limited between the head 211a and the first nut 212 when the first end cover 220 is rotatably installed on the bolt 211, which can make the assembly process simple. Specifically, during the assembly process, the bolt 211 will not fall into the roller sleeve 300 after the first end cover 220 is installed, affecting the assembly speed.
[0048] Preferably, the diameter of the avoiding hole 231 is greater than the diagonal distance of the first nut 212, so that the assembly steps can be optimized, and the installation steps of the second end cover 230 can be before or after the installation of the first nut 212.
[0049] In the embodiment, the roller sleeve 300 is of a water-absorbing fleece structure, and the fleece material has good water-absorbing performance, can effectively absorb and hold the whitening agent or other protective agent, thereby ensuring uniform coating in the coating operation, and due to the soft and deformable characteristics, the water-absorbing fleece can closely fit the surface of the trunk, ensure uniform coating of the paint, reduce paint waste, and improve the coating effect, wherein it can be understood that the structure of the roller sleeve 300 shown in the drawings is only a schematic diagram for explanation and illustration, and does not show the specific actual structure of the roller sleeve 300.
[0050] In the embodiment, referring to Figure 1 and Figure 3 , the handle support 100 includes a handle 140 and a bracket 130, and the extension direction of the handle 140 is arranged perpendicularly to the concentric shafts of the two connecting assemblies 200, so that the comfort in use can be effectively improved, hand fatigue is reduced, and the user can more easily master the control of the roller brush during use, such a design enables the user to hold the handle 140 in a more natural posture, so that the user can better apply force when brushing the trunk, and the operation flexibility and stability of the roller brush are improved.
[0051] From the above description, it can be seen that the above-mentioned embodiments of the utility model realize the following technical effects:
[0052] The trunk roller brush of the utility model, by installing connecting assembly 200 on both sides of handle 140 support 100 respectively, two ends of roller sleeve 300 are installed on both sides of handle 140 support 100 respectively through two connecting assemblies 200, roller sleeve 300 is hollow and roller sleeve 300 is deformable cloth or elastic material to make that when rolling brush, roller sleeve 300 can elastically deform to realize the coating effect of good to the arc surface or cylindrical surface of the trunk or column, wherein connecting assembly 200 includes shaft rod assembly 210, first end cover 220 and second end cover 230, shaft rod assembly 210 is installed on handle 140 support 100, first end cover 220 and second end cover 230 are rotatably installed on handle 140 support 100 through shaft rod assembly 210, first end cover 220 is installed into one end of sleeve and the accommodation groove 221 on first end cover 220 faces outward, this end roller sleeve 300 is accommodated in accommodation groove 221, and the other end roller sleeve 300 is installed on the other connecting assembly 200 through the second end cover 230 buckling in the accommodation groove 221 of first end cover 220, so as to realize the fixation of this end roller sleeve 300, through the above method, the other end roller sleeve 300 is installed on the other connecting assembly 200, so as to realize the installation of roller sleeve 300, the roller sleeve 300 is simple in dismounting structure, and can realize the quickness of roller sleeve 300.
[0053] It should be noted that in the description of the present application, unless otherwise explicitly specified and limited, the terms "set, connect, connected, install" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be in contact or integrally connected, and for those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0054] In the description of the present application, it should be understood that the orientation words such as "front, rear, upper, lower, left, right", "transverse, longitudinal, vertical, vertical, horizontal" and "top, bottom" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, without the opposite description, these orientation words do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the protection scope of the present application; in addition, the orientation words "inner, outer" refer to the inner and outer relative to the contour of each component.
[0055] In addition, it should be noted that in the description of the present application, the terms "first", "second" and the like are used to limit the parts, only for the convenience of distinguishing the corresponding parts, if there is no further declaration, the above terms do not have special meaning, therefore it cannot be understood as a limitation on the protection scope of the present application.
[0056] It should be noted that if the present application has a directional indication in the embodiments, the directional indication is only used to explain the relative position relationship, movement condition and the like between the components in a certain attitude, if the certain attitude changes, the directional indication also changes accordingly.
[0057] The above is the preferred embodiment of the present application, it should be pointed out that for those skilled in the art, without departing from the principle of the present application, a number of improvements and refinements can be made, these improvements and refinements are also considered within the protection scope of the present application.
Claims
1. A drum brush for tree trunks, characterized in that The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial.
2. The log roller brush of claim 1 wherein, The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial.
3. The log roller brush of claim 1 wherein, The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial.
4. A log roller brush according to any one of claims 1 to 3, characterised in that The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial.
5. A log roller brush according to claim 4, wherein The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the two connection assemblies (200) are coaxial. The utility model relates to a handle support (100) and a drum cover (300) are connected, and the drum cover (300) is provided with two connection assemblies (200), and the 6. A log roller brush according to claim 5, wherein The bolt (211) comprises a head (211a) and a screw rod (211b), the head (211a) is located at one end of the bolt (211) away from the convex connecting part (110), the first end cover (220) is provided with a central hole (222) in the center, the diameter of the head (211a) is greater than the diameter of the central hole (222), so that the first end cover (220) is installed on the screw rod (211b) through the central hole (222), the first end cover (220) is located between the head (211a) and the first nut (212), the second end cover (230) is provided with a relief hole (231) in the center, so that the second end cover (230) is installed on the screw rod (211b) through the relief hole (231), and the second end cover (230) is located between the first end cover (220) and the first nut (212).
7. A log roller brush according to claim 6, wherein The screw rod (211b) comprises a threaded part (211c) and a smooth part (211d), the first nut (212) and the second nut (213) are located on the threaded part (211c), and the first end cover (220) and the second end cover (230) are located on the smooth part (211d).
8. A log roller brush according to claim 7, characterised in that The diameter of the central hole (222) is smaller than the diagonal distance of the first nut (212), so that the position of the first end cover (220) is limited between the head (211a) and the first nut (212) when the first end cover (220) is rotatably installed on the bolt (211).
9. A log roller brush according to any one of claims 1 to 3, characterized in that The drum cover (300) is made of plush cloth structure, sponge or rubber material.
10. A log roller brush according to any one of claims 1 to 3, characterized in that The handle support (100) comprises a handle (140) and a frame body (130), the extension direction of the handle (140) is perpendicular to the concentric shaft of the two connecting assemblies (200).