Brush device for courtyard sweeper

Abstract

The brush device for the courtyard sweeper comprises a base plate, a through hole is formed in the upper portion of the base plate, a base is welded to one side of the base plate, a first air cylinder is installed in the base, a piston rod is installed on one side of the first air cylinder, and a connecting block is installed on one side of the piston rod. A lower swing arm is installed below the connecting block, a first fixing frame is installed on one side of the lower swing arm, and a first movable rod is installed in the first fixing frame. According to the brush device for the courtyard sweeper, through the arrangement of the base, the first air cylinder, the piston rod, the connecting block, a lower swing arm, a first fixing frame, a first movable rod and a second brush disc, in the using process of the brush device, the first air cylinder drives the piston rod to stretch out and draw back and drives the lower swing arm to press downwards, and the inclination angle of the second brush disc during sweeping can be changed; after inclination, only part of the brushes make contact with the ground, abrasion of the second brush disc can be reduced, and the service life of the second brush disc is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of brush devices, in particular to a brush device for a courtyard sweeper. Background Technique

[0002] A sweeper refers to a sweeping robot, which will become an essential cleaning helper for every family like white goods in the near future. The product will also develop from primary intelligence to a higher level of intelligence, gradually replacing manual cleaning. With the continuous improvement of the domestic living standard in China, the sweeping robots that were originally sold in the European and American markets have entered ordinary people's homes and are accepted by more and more people. Sweepers have the advantages of environmental protection, energy saving, and high efficiency. When a courtyard sweeper works, a brush device is needed to clean the ground to meet the sweeping requirements.

[0003] The existing brush device of a courtyard floor washer cannot adjust the position of the brush during use. The contact area between the brush and the ground is large, the brush wears out greatly, the service life is not long, the brush needs to be replaced frequently, and the working efficiency is low. Therefore, a brush device for a courtyard sweeper needs to be proposed. Summary of the Invention

[0004] The purpose of the utility model is to provide a brush device for a courtyard sweeper to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: A brush device for a courtyard sweeper, including a chassis. A through hole is opened above the chassis. One side of the chassis is welded with a base. One side of the base is movably connected with a first cylinder. One side of the first cylinder is provided with a piston rod. One side of the piston rod is provided with a connecting block. A lower swing arm is installed below the connecting block. One side of the lower swing arm is provided with a first fixing frame. A first movable rod is installed inside the first fixing frame. One side of the chassis is provided with a first fixing seat. A first toggle bolt penetrates through the inside of the first fixing seat. A first motor is installed above the first fixing seat. A first brush disc is installed at the output end below the first motor. One side of the lower swing arm is provided with a second fixing frame. A second cylinder penetrates through the inside of the second fixing frame. One side of the second cylinder is provided with a telescopic rod. One side of the lower swing arm is provided with a movable arm. One side of the movable arm is provided with a second fixing seat. A second toggle bolt penetrates through the inside of the second fixing seat. A second motor is installed above the second fixing seat. A second brush disc is installed at the output end below the second motor.

[0006] Preferably, the connecting block and the first cylinder form a telescopic structure through the piston rod, and the connecting block is arranged in a "C" - shaped structure.

[0007] Preferably, the lower swing arm forms a rotating structure with the first fixing bracket through the first movable rod, and the lower swing arm is welded to the connecting block.

[0008] Preferably, the telescopic rod forms a telescopic structure with the second fixing bracket through the second cylinder, and the second cylinders are symmetrically arranged with respect to the central axis of the chassis.

[0009] Preferably, the movable arm forms a rotating structure with the telescopic rod through the second movable rod, and the movable arms are symmetrically arranged with respect to the central axis of the chassis.

[0010] Preferably, the movable arm is threadedly connected to the second fixing seat through the second U-bolt, and the second fixing seat is arranged in an "L" shape.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] 1. For the brush device for a courtyard sweeper, through the settings of the base, the first cylinder, the piston rod, the connecting block, the lower swing arm, the first fixing bracket, the first movable rod and the second brush disc, during the use of the device, the first cylinder drives the piston rod to expand and contract, driving the lower swing arm to press down, which can change the inclination angle of the second brush disc during sweeping. After tilting, only part of the bristles contact the ground, reducing the wear of the second brush disc and extending the service life of the second brush disc.

[0013] 2. For the brush device for a courtyard sweeper, through the settings of the second fixing bracket, the second cylinder, the telescopic rod, the movable arm, the second movable rod, the second fixing seat, the second U-bolt, the second motor and the second brush disc, during the use of the device, the second cylinder drives the telescopic rod to expand and contract, driving the movable arm to swing left and right, which can adjust the position of the second brush disc during sweeping, increasing the sweeping area and making the cleaning more comprehensive.

[0014] 3. For the brush device for a courtyard sweeper, through the settings of the second fixing seat, the second U-bolt, the second motor and the second brush disc, during the use of the device, removing one of the second U-bolts can rotate the orientation of the second fixing seat, making the direction of the second brush disc face upward, which is convenient for disassembling and replacing the new second brush disc. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0016] Figure 2 is a schematic diagram of the structure of the lower swing arm of the present utility model;

[0017] Figure 3 is a schematic diagram of the structure of the lower swing arm of the present utility model;

[0018] Figure 4 is a schematic diagram of the structure of the brush disc of the present utility model.

[0019] In the figure: 1, chassis; 2, through hole; 3, base; 4, first cylinder; 5, piston rod; 6, connecting block; 7, lower swing arm; 8, first fixing frame; 9, first movable rod; 10, first fixing seat; 11, first ram's horn bolt; 12, first motor; 13, first brush disc; 14, second fixing frame; 15, second cylinder; 16, telescopic rod; 17, movable arm; 18, second movable rod; 19, second fixing seat; 20, second ram's horn bolt; 21, second motor; 22, second brush disc. Specific implementation mode

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0021] Please refer to Figures 1-3 , the present invention provides a technical solution: a brush device for a courtyard sweeper, including a chassis 1, a base 3 is welded on one side of the chassis 1, a first cylinder 4 is installed inside the base 3, a piston rod 5 is installed on one side of the first cylinder 4, a connecting block 6 is installed on one side of the piston rod 5, a lower swing arm 7 is installed below the connecting block 6, a first fixing frame 8 is installed on one side of the lower swing arm 7, a first movable rod 9 is installed inside the first fixing frame 8, a first fixing seat 10 is installed on one side of the chassis 1, and a first ram's horn bolt 11 passes through the inside of the first fixing seat 10. The connecting block 6 and the first cylinder 4 form a telescopic structure through the piston rod 5, which can press down the lower swing arm 7. The lower swing arm 7 and the first fixing frame 8 form a rotating structure through the first movable rod 9. The cooperation of the first cylinder 4 and the lower swing arm 7 can change the inclined position of the second brush disc 22, reduce the contact area between the brush and the ground, reduce the wear of the second brush disc 22, and extend the service life of the second brush disc 22. Removing one of the first ram's horn bolts 11 can rotate the orientation of the first fixing seat 10, which is convenient for disassembling and replacing the new first brush disc 13. The first motor 12 drives the first brush disc 13 to clean the ground;

[0022] Please refer to Figures 2-4, a second fixing bracket 14 is installed on one side of the lower control arm 7. A second air cylinder 15 penetrates through the interior of the second fixing bracket 14. One side of the second air cylinder 15 is equipped with a telescopic rod 16. One side of the lower control arm 7 is installed with a movable arm 17. One side of the movable arm 17 is installed with a second fixing seat 19. Above the second fixing seat 19, a second motor 21 is installed. The output end below the second motor 21 is installed with a second brush disc 22. The telescopic rod 16 forms a telescopic structure with the second fixing bracket 14 through the second air cylinder 15. The movable arm 17 forms a rotating structure with the telescopic rod 16 through the second movable rod 18. The cooperation of the second air cylinder 15 and the movable arm 17 can move the second brush disc 22 left and right, increasing the area of floor sweeping and making the cleaning more comprehensive. Removing one of the second knuckle bolts 20 can rotate the orientation of the second fixing seat 19, facilitating the disassembly and replacement of the new second brush disc 22. The second motor 21 drives the second brush disc 22 to perform floor cleaning.

[0023] Working principle: When using the brush device for the garden sweeper, first connect the chassis 1 to the sweeper through the through hole 2 by connecting to the external power supply. The telescopic movement of the first air cylinder 4 can drive the lower control arm 7 to press down, so that the second brush disc 22 can be adjusted to be inclined, reducing the wear of the second brush disc 22 during use and extending its service life. The telescopic movement of the second air cylinder 15 can drive the movable arm 17 to swing left and right, adjusting the left and right positions of the second brush disc 22 during floor sweeping, increasing the cleaning area and shortening the floor sweeping time. The first motor 12 and the second motor 21 drive the first brush disc 13 and the second brush disc 22 to rotate respectively to clean the floor. When the device is not in use, cut off the external power supply of the device. The model of the first air cylinder 4 is [model number not provided], the model of the second air cylinder 15 is YNT-03, and the models of the first motor 12 and the second motor 21 are [model numbers not provided]. Just like this, the use process of the brush device for the garden sweeper is completed.

[0024] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A brush device for a garden sweeper, comprising a chassis (1), characterized in that: A through hole (2) is provided on the upper side of the chassis (1); a base (3) is welded to one side of the chassis (1); a first cylinder (4) is movably connected to one side of the base (3); a piston rod (5) is installed on one side of the first cylinder (4); a connecting block (6) is installed on one side of the piston rod (5); a lower swing arm (7) is installed below the connecting block (6); a first fixing frame (8) is installed on one side of the lower swing arm (7); a first movable rod (9) is installed inside the first fixing frame (8); a first fixing seat (10) is installed on one side of the chassis (1); a first horn bolt (11) penetrates inside the first fixing seat (10); a first fixing seat (10) is installed above the first fixing seat (10); A first motor (12) is provided, a first brush plate (13) is installed at the output end below the first motor (12), a second fixing frame (14) is installed on one side of the lower swing arm (7), a second cylinder (15) is passed through the interior of the second fixing frame (14), a telescopic rod (16) is installed on one side of the second cylinder (15), a movable arm (17) is installed on one side of the lower swing arm (7), a second fixing seat (19) is installed on one side of the movable arm (17), a second clevis bolt (20) is passed through the interior of the second fixing seat (19), a second motor (21) is installed above the second fixing seat (19), and a second brush plate (22) is installed at the output end below the second motor (21).

2. A brush device for a garden sweeper according to claim 1, characterized in that: The connecting block (6) forms a telescopic structure with the first cylinder (4) via the piston rod (5), and the connecting block (6) is arranged in a "C"-shaped structure.

3. The brush device for a garden sweeper according to claim 1, characterized in that: The lower swing arm (7) forms a rotating structure with the first fixed frame (8) via a first movable rod (9), and the first movable rod (9) passes through the lower swing arm (7) and the first fixed frame (8).

4. The brush device for a garden sweeper according to claim 1, characterized in that: The telescopic rod (16) forms a telescopic structure with the second fixing frame (14) via the second cylinder (15), and the second cylinder (15) is symmetrically arranged with respect to the central axis of the chassis (1).

5. The brush device for a garden sweeper according to claim 1, characterized in that: The movable arm (17) forms a rotating structure with the telescopic rod (16) via the second movable rod (18), and the movable arm (17) is symmetrically arranged with respect to the central axis of the chassis (1).

6. The brush device for a garden sweeper according to claim 1, characterized in that: The movable arm (17) is threadedly connected to the second fixing seat (19) via a second clevis bolt (20); the second fixing seat (19) is arranged in an "L"-shaped structure.

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