Height-adjustable cleaning brush for public area

By adjusting the length at the bottom of the cleaning brush handle, the problem of existing cleaning brushes touching pedestrians when used in public areas is solved, and convenient height adjustment is achieved.

CN223799751UActive Publication Date: 2026-01-16TIANJIN HUIZHI PROPERTY CO LTD
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Patent Information

Application Number
CN202520367771.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-05
Publication Date
2026-01-16
Estimated Expiration
2035-03-05

AI Technical Summary

Technical Problem

The existing cleaning brushes cannot be adjusted in length, which makes them easy to bump into pedestrians when used in public areas, and they are also inconvenient to operate.

Method used

The length of the cleaning brush can be adjusted by operating it from the bottom of the handle, using the threaded connection between the screw and the extension rod, thus avoiding the need to retract the cleaning brush close to the body.

Benefits of technology

It allows for cleaning in public areas without retracting the device from the body, avoiding contact with pedestrians, and is simple and convenient to operate.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223799751U_ABST
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Abstract

The utility model discloses a public area height-adjustable cleaning brush which comprises a cleaning brush body and a mounting frame, the cleaning brush body is mounted at the bottom of the mounting frame, an extension rod is fixedly connected to the middle of the side end of the mounting frame, a cavity is formed in the middle of the extension rod, a sleeve is arranged on the side, away from the mounting frame, of the extension rod, and the cavity is communicated with the cavity. A channel is formed in the middle of the sleeve, a limiting cylinder is fixedly connected to the end, away from the mounting frame, of the sleeve, a rotating cover is arranged at the end, away from the mounting frame, of the sleeve, a lead screw is fixedly connected to the middle of the rotating cover, one end of the lead screw penetrates through the middle of the extension rod and is in threaded connection with the extension rod, and the lead screw extends into the cavity; and two first sliding rails are symmetrically and fixedly connected to the surface of the extension rod. The screw rod is rotated by manually rotating the rotating cover, and the extension rod in threaded connection with the screw rod enters or extends out of the sleeve, so that the cleaning height of the cleaning brush main body is adjusted, the structure is simple, and the operation is convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cleaning brush technical field, especially in public area adjustable height's cleaning brush. BACKGROUND

[0002] Cleaning brush is the necessity in people's daily life, when cleaning glass or wall surface, in order to clean glass or wall surface better, need to use cleaning brush. But the length of commonly used cleaning brush cannot be adjusted, cannot be adjusted according to the height of glass or wall surface that need to be cleaned, lead to cleaning brush is inconvenient when cleaning low glass or wall surface.

[0003] The utility model discloses a wall cleaning brush with telescopic function, including connecting cylinder, the connecting cylinder inside sliding installation has the connecting column, the top of connecting column is fixedly connected with support, through the first clamping plate and the second clamping plate are away from each other after rotating the compression plate, and the connecting column can slide in the connecting cylinder to adjust the height of drum, when the height of drum is adjusted, the second connecting plate passes through from two spheres, can fixed compression plate, prevent the connecting ring from appearing loose, through the limiting post in the limiting groove sliding, can prevent the connecting column from rotating when moving vertically, and the antiskid pad can increase the friction between connecting column and connecting ring, prevent the connecting column from appearing sliding after adjusting height.

[0004] The cleaning brush of the above scheme can quickly adjust the length of the cleaning brush by pulling the connecting column out of the connecting cylinder and then rotating the compression plate in the opposite direction to lock the connecting column, but the cleaning brush needs to be pulled back close to the body during adjustment, which leads to the cleaning brush being easily touched by pedestrians when used in public areas. Utility model content

[0005] The utility model discloses a public area adjustable height's cleaning brush, can be adjusted from the length of cleaning brush of the handle bottom operation, make cleaning brush when adjusting not to pull back close to the body, avoid touching the pedestrian.

[0006] In order to achieve the above object, the height-adjustable cleaning brush for public area is provided, which comprises a cleaning brush body and a mounting frame, the cleaning brush body is installed at the bottom of the mounting frame, the middle part of the side end of the mounting frame is fixedly connected with an extension rod, the middle part of the extension rod is provided with a cavity, the side of the extension rod away from the mounting frame is provided with a sleeve, the middle part of the sleeve is provided with a channel, and the channel penetrates through both ends of the sleeve, the end of the extension rod away from the mounting frame extends into the channel and is slidably connected with the channel, the end of the sleeve away from the mounting frame is fixedly connected with a limiting cylinder, and the middle part of the limiting cylinder is in communication with the channel, the end of the sleeve away from the mounting frame is provided with a rotating cover, and the limiting cylinder is located in the rotating cover and is rotatably connected with the rotating cover, the middle part of the rotating cover is fixedly connected with a lead screw, and the end of the lead screw away from the rotating cover penetrates through the channel, one end of the lead screw penetrates through the middle part of the extension rod and is threadedly connected with the extension rod, and the lead screw extends into the cavity, the surface of the extension rod is symmetrically fixedly connected with two first sliding rails, and the first sliding rails extend into the sleeve and are slidably connected with the inner wall of the sleeve. The length of the cleaning brush can be adjusted from the bottom of the handle of the cleaning brush, so that the cleaning brush does not need to be retracted close to the body during adjustment, and the pedestrians are avoided from being touched.

[0007] According to the height-adjustable cleaning brush for public area, the outer side end of the rotating cover is provided with anti-skid patterns. The anti-skid patterns are used for increasing the friction of the surface of the rotating cover, and facilitating the rotation of the rotating cover.

[0008] According to the height-adjustable cleaning brush for public area, the cavity is slidably connected with a limiting slider, and the end of the lead screw away from the rotating cover penetrates through the middle part of the limiting slider and is rotatably connected with the limiting slider. The limiting slider cooperates with the lead screw to limit the length of the extension rod extending out of the sleeve, and the limiting slider can support the lead screw to avoid deformation of the lead screw.

[0009] According to the height-adjustable cleaning brush for public area, the inner wall of the cavity is symmetrically fixedly connected with two second sliding rails, and the two second sliding rails respectively penetrate through the limiting slider and are slidably connected with the limiting slider. The second sliding rails play a guiding role on the limiting slider, and improve the stability of the extension rod extending out of the sleeve.

[0010] According to the height-adjustable cleaning brush for public area, the extension rod and the sleeve are made of aluminum alloy material. The aluminum alloy material reduces the weight of the extension rod and the sleeve, and reduces the working burden of the cleaning brush during use.

[0011] The above-mentioned scheme has the beneficial effects that the rotating cover is manually rotated, the lead screw is rotated, the extension rod threadedly connected with the lead screw enters or extends out of the sleeve, and the height that can be cleaned by the cleaning brush body is adjusted, so that the structure is simple and the operation is convenient.

[0012] The additional aspects and advantages of the present application will be given in part in the following description, become apparent from the following description, or be understood by those skilled in the art from the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0013] The present application will be further described below in conjunction with the drawings and examples;

[0014] Figure 1 It is a perspective view of the height-adjustable cleaning brush for public area of the present application;

[0015] Figure 2 It is a sectional view of the rotating cover, sleeve and extension rod cooperation of the height-adjustable cleaning brush for public area of the present application;

[0016] Figure 3 It is Figure 2 It is an enlarged view of A in the middle;

[0017] Figure 4 It is Figure 2 It is an enlarged view of B in the middle.

[0018] Legend:

[0019] 1, rotating cover; 2, sleeve; 3, cleaning brush main body; 4, mounting frame; 5, extension rod; 6, first slide rail; 7, screw rod; 8, chamber; 9, passage; 10, limiting cylinder; 11, limiting sliding block; 12, second slide rail. DETAILED DESCRIPTION

[0020] This part will describe the specific embodiments of the present application in detail, the preferred embodiments of the present application are shown in the drawings, the role of the drawings is to supplement the description of the text part with figures, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the present application, but it cannot be understood as the limitation of the protection scope of the present application.

[0021] Refer to Figures 1-4The utility model discloses a height adjustable cleaning brush for public area, which comprises a cleaning brush body 3 and a mounting frame 4, the cleaning brush body 3 is installed at the bottom of the mounting frame 4, the middle part of the side end of the mounting frame 4 is fixedly connected with an extension rod 5, the middle part of the extension rod 5 is provided with a cavity 8, a limiting sliding block 11 is slidably connected in the cavity 8, one end of a screw rod 7 away from a rotating cover 1 penetrates through the middle part of the limiting sliding block 11 and is rotatably connected with the limiting sliding block 11, the limiting sliding block 11 cooperates with the screw rod 7 to limit the length of the extension rod 5 extending out of a sleeve 2, and the limiting sliding block 11 can support the screw rod 7 to avoid deformation of the screw rod 7, two second sliding rails 12 are symmetrically fixedly connected to the inner wall of the cavity 8, and the two second sliding rails 12 respectively penetrate through the limiting sliding block 11 and are slidably connected with the limiting sliding block 11, the second sliding rail 12 plays a guiding role on the limiting sliding block 11, improves the stability of the extension rod 5 extending out of the sleeve 2, one side of the extension rod 5 away from the mounting frame 4 is provided with the sleeve 2, the middle part of the sleeve 2 is provided with a channel 9, the channel 9 penetrates through both ends of the sleeve 2, one end of the extension rod 5 away from the mounting frame 4 extends into the channel 9 and is slidably connected with the channel 9, one end of the sleeve 2 away from the mounting frame 4 is fixedly connected with a limiting cylinder 10, the middle part of the limiting cylinder 10 is communicated with the channel 9, one end of the sleeve 2 away from the mounting frame 4 is provided with the rotating cover 1, and the limiting cylinder 10 is located in the rotating cover 1 and is rotatably connected with the rotating cover 1, the outer side end of the rotating cover 1 is provided with anti-skid patterns, the anti-skid patterns are used for increasing the friction force of the surface of the rotating cover 1, facilitating rotation of the rotating cover 1, the middle part of the rotating cover 1 is fixedly connected with the screw rod 7, one end of the screw rod 7 penetrates through the channel 9, one end of the screw rod 7 penetrates through the middle part of the extension rod 5 and is threadedly connected with the extension rod 5, and the screw rod 7 extends into the cavity 8, the surface of the extension rod 5 is symmetrically fixedly connected with two first sliding rails 6, and the first sliding rail 6 extends into the sleeve 2 and is slidably connected with the inner wall of the sleeve 2, the extension rod 5 and the sleeve 2 adopt aluminum alloy material, the aluminum alloy material reduces the weight of the extension rod 5 and the sleeve 2, and reduces the working burden when the cleaning brush is used.

[0022] Working principle: when the cleaning height of the cleaning brush is adjusted, the rotating cover 1 is rotated, the screw rod 7 is rotated in the extension rod 5, the extension rod 5 is extended out of or into the sleeve 2 through the threaded connection of the screw rod 7 and the connecting rod, the first sliding rail 6 avoids the extension rod 5 driving the cleaning brush body 3 to rotate, so that the height of the wall or glass that can be cleaned by the cleaning brush body 3 is changed.

[0023] The utility model has been described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A height-adjustable cleaning brush for public areas, comprising: The utility model provides a cleaning brush body (3) and mounting frame (4), its characterized in be, the cleaning brush body (3) is installed in mounting frame (4) bottom, the side end middle part fixed connection of mounting frame (4) is equipped with extension rod (5), the middle part of extension rod (5) is equipped with chamber (8), the side of extension rod (5) away from mounting frame (4) is equipped with sleeve (2), the middle part of sleeve (2) is equipped with passageway (9), and passageway (9) penetrates sleeve (2) both ends, the one end of extension rod (5) away from mounting frame (4) extends to passageway (9) and is connected with passageway (9) sliding, the one end of sleeve (2) away from mounting frame (4) is fixedly connected with limit cylinder (10), and the middle part of limit cylinder (10) is communicated with passageway (9), the one end of sleeve (2) away from mounting frame (4) is equipped with rotary cover (1), and limit cylinder (10) is located in rotary cover (1) and is connected with rotary cover (1) rotation, the middle part of rotary cover (1) is fixedly connected with screw rod (7), and the one end of screw rod (7) away from rotary cover (1) passes through passageway (9), one end of screw rod (7) penetrates the middle part of extension rod (5) and is connected with extension rod (5) screw, and screw rod (7) extends to chamber (8), the surface of extension rod (5) is fixedly connected with two first sliding rails (6) symmetrically, and first sliding rail (6) extends to sleeve (2) and is connected with sleeve (2) inner wall sliding.

2. The height-adjustable cleaning brush for public areas according to claim 1, characterized in that, The outside end of rotary cover (1) is equipped with antiskid pattern.

3. The height-adjustable cleaning brush for public areas according to claim 1, characterized in that, The chamber (8) is slidably connected with a limiting slider (11), and the one end of the screw rod (7) away from the rotary cover (1) penetrates the middle part of the limiting slider (11) and is rotatably connected with the limiting slider (11).

4. The height-adjustable cleaning brush for public areas according to claim 3, characterized in that, The inner wall of the chamber (8) is fixedly connected with two second sliding rails (12) symmetrically, and the two second sliding rails (12) respectively penetrate the limiting slider (11) and are slidably connected with the limiting slider (11).

5. The height-adjustable cleaning brush for public areas according to claim 1, characterized in that, The extension rod (5) and the sleeve (2) are made of aluminum alloy.

Citation Information

Patent Citations

  • Wall surface cleaning brush with telescopic function

    CN219374545U