Multicolor roller brush with dustproof sleeve

Abstract

The utility model belongs to the technical field of roller brushes, and particularly relates to a multicolor roller brush with a dustproof sleeve, which comprises a roller brush body. The side wall of one side of the roller brush body is rotationally connected with a connecting rod; a dustproof sleeve column is arranged on one side of the roller brush body; one end of the dustproof sleeve column is rotationally connected with a rotating column; a through groove is formed in one end of the dustproof sleeve column; the top of the dustproof sleeve column is fixedly connected with a fixed frame; the top of the inner side of the fixing frame is fixedly connected with a first spring column. In the working process, when the inner side wall of the sliding block is attached to the outer side wall of the roller brush body, the rotating tooth column can extrude the teeth, so that the teeth enter the inner side of the first sliding groove through the second spring column, and at the moment, the teeth are not engaged with the tooth column any more; according to the whole device, the roller brush body can be supported through the sliding blocks, so that the roller brush body is more stable on the inner side of the dustproof sleeve column, and the situation that the roller brush body and the inner wall of the dustproof sleeve column are not tightly attached due to size reduction, and finally the dustproof sleeve column falls off is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of roller brushes, in particular to a multi-color roller brush with a dust cover. Background Art

[0002] The roller brush is a processing tool used for large-area coating. The coating effect varies depending on its material. After coating, if the roller brush is placed on the ground, impurities will adhere to the surface of the roller brush. Therefore, it needs to be wrapped with a dust cover.

[0003] In the current prior art, a multi-color roller brush with a dust cover is usually composed of a dust cover and a roller brush. When it is needed, the dust cover can be opened and the roller brush can be placed inside the dust cover to achieve a sealing effect on the roller brush.

[0004] The existing multi-color roller brush with a dust cover is prone to the roller brush not fitting tightly enough with the inner wall of the dust cover when working, and the dust cover may fall off, because the size of the dust cover itself is fixed when closing roller brushes of different sizes. Therefore, a multi-color roller brush with a dust cover is proposed to solve the above problem. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the utility model provides a multi-color roller brush with a dust cover.

[0006] The technical solution adopted by the utility model to solve its technical problems is as follows: the utility model comprises a multi-color roller brush with a dust cover, comprising a roller brush body; a side wall of one side of the roller brush body is rotatably connected to a connecting rod; a dust cover column is arranged on one side of the roller brush body; one end of the dust cover column is rotatably connected to a rotating column; one end of the dust cover column is provided with a through groove; the top of the dust cover column is fixedly connected to a fixing frame; the top of the inner side of the fixing frame is fixedly connected to a first spring column; a plurality of first tooth grooves are arranged on the end of the rotating column away from the dust cover column; a first limiting block is slidably matched with the inner side of the fixing frame; a plurality of first limiting blocks are fixedly connected to one end of the first spring column near the first limiting block The locking block is provided at one end of the rotating column away from the first limit block; a support block is fixedly connected to the top of the dust sleeve column; a tooth column is rotatably connected to the inner side of the support block; the tooth column and the second tooth groove are meshed with each other; a slider is slidably connected to the inner side of the dust sleeve column; a plurality of first sliding grooves are provided on the inner side of the slider; a pair of second spring columns are fixedly connected to the side wall of the inner side of the first sliding groove away from the tooth column; teeth are slidably connected to the inner side of the first sliding groove; the teeth are connected to the second spring column; the tooth column and the teeth are meshed with each other; a first sealing sleeve column is fixedly connected to the inner side wall of the rotating column; the first sealing sleeve column and the inner side wall of the dust sleeve column are connected to each other.

[0007] Preferably, a pair of slide rails are fixedly connected to the side wall of the dust cover column close to the through groove; a plurality of sets of third tooth grooves are provided on the side wall of the inner side of the slide rail close to the dust cover column; a third spring column is fixedly connected to the side wall of the inner side of the slide rail away from the dust cover column; an extrusion plate is fixedly connected to one end of the third spring column close to the dust cover column; the extrusion plate is arranged on the inner side of the slide rail; a blocking plate is slidably matched with the inner side of the slide rail; and a pair of clamping plates are rotatably connected to one end of the blocking plate close to the dust cover column.

[0008] Preferably, a drainage plate is provided at one end of the dust cover column away from the fixed frame; a plurality of support columns are fixedly connected to the side wall of the inner side of the dust cover column away from the fixed frame; a support ring is fixedly connected to one end of the support column away from the drainage plate; the support ring is provided on the inner side of the dust cover column, and the support ring is in a suspended state.

[0009] Preferably, a second limit block is fixedly connected to one end of the first limit block close to the fixed frame; a limit column is slidably matched with the inner side of the second limit block; and the limit column is connected to the side wall of the fixed frame.

[0010] Preferably, the inner side of the support block is rotatably connected with a plurality of sets of fitting wheels; the outer side walls of the fitting wheels fit in with the outer side walls of the gear columns.

[0011] Preferably, a second sealing sleeve column is fixedly connected to one end of the dust sleeve column close to the through groove; and a sealing ring is fixedly connected to one end of the second sealing sleeve column away from the dust sleeve column.

[0012] Preferably, a first magnetic plate is fixedly connected to the side wall of the inner side of the first slide groove away from the support block; a second magnetic plate is fixedly connected to the side wall of the tooth close to the second spring column; the first magnetic plate and the second magnetic plate are both arranged on the inner side of a pair of second spring columns.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model provides a multi-color roller brush with a dust-proof sleeve, wherein the rotating column drives the first sealing sleeve column to rotate by rotating the rotating column, thereby deforming the first sealing sleeve column, so that the first sealing sleeve column seals one end of the dust-proof sleeve column, so that the roller brush body is sealed inside the dust-proof sleeve column; and in the process of rotating the rotating column, the tooth column is driven to rotate by the second tooth groove, and the rotating tooth column can push the slider to move downward through the tooth teeth, so that the slider squeezes and fixes the roller brush body inside the dust-proof sleeve column; and according to the different sizes of the roller brush body itself, when the inner wall of the slider and the outer wall of the roller brush body fit each other, the rotating tooth column can squeeze the tooth teeth, so that the tooth teeth enter the inner side of the first slide groove through the second spring column, at this time, the tooth teeth are no longer meshed with the tooth column; the overall device can support the roller brush body through the slider, so that the roller brush body is more stable inside the dust-proof sleeve column, and reduces the situation that the roller brush body and the inner wall of the dust-proof sleeve column are not closely fitted due to the size reduction, and finally the dust-proof sleeve column will fall off.

[0015] 2. The utility model provides a multi-color roller brush with a dust cover, which allows the card plate to enter the inner side of the slide rail, and operates the extrusion plate to move away from the dust cover column, and allows the card plate to enter the connection between the extrusion plate and the third tooth groove, and releases the extrusion plate, which can be squeezed by the third spring column. At this time, the third tooth groove and the card plate are engaged with each other, so that the blocking plate can be fixed on the outside of the dust cover column; the blocking plate can close the through groove, thereby reducing the occurrence of external impurities entering the inside of the dust cover column through the inside of the through groove, and the overall device improves the cleanliness of the inside of the dust cover column. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0017] In the attached picture:

[0018] Figure 1 It is a three-dimensional diagram of the roller brush of the utility model;

[0019] Figure 2 It is a three-dimensional diagram of the dust cover column in the utility model;

[0020] Figure 3 It is a three-dimensional diagram of the drainage plate in the utility model;

[0021] Figure 4 It is a three-dimensional diagram of the fixed frame in the utility model;

[0022] Figure 5 yes Figure 4 Enlarged view of point A.

[0023] Legend:

[0024] 1. Roller brush body; 11. Connecting rod; 12. Dust cover column; 13. Rotating column; 14. Through groove; 15. Fixed frame; 16. First spring column; 17. First tooth groove; 18. First limiting block; 19. Block; 110. Second tooth groove; 111. Support block; 112. Tooth column; 113. Sliding block; 114. First slide groove; 115. Second spring column; 116. Tooth; 117. First sealing sleeve column; 2. Slide rail; 21. Third tooth groove; 22. Third spring column; 23. Extrusion plate; 24. Blocking plate; 25. Card; 3. Drain plate; 31. Support column; 32. Support ring; 4. Second limiting block; 41. Limiting column; 5. Fitting wheel; 6. Second sealing sleeve column; 61. Sealing ring; 7. First magnetic plate; 71. Second magnetic plate. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Specific examples are given below.

[0027] See also Figure 1 - Figure 5The utility model provides a multi-color roller brush with a dust cover, comprising a roller brush body 1; a connecting rod 11 is rotatably connected to a side wall of one side of the roller brush body 1; a dust cover column 12 is arranged on one side of the roller brush body 1; a rotating column 13 is rotatably connected to one end of the dust cover column 12; a through groove 14 is provided at one end of the dust cover column 12; a fixing frame 15 is fixedly connected to the top of the dust cover column 12; a first spring column 16 is fixedly connected to the top of the inner side of the fixing frame 15; a plurality of first tooth grooves 17 are provided at one end of the rotating column 13 away from the dust cover column 12; a first limiting block 18 is slidably matched with the inner side of the fixing frame 15; a plurality of card blocks 19 are fixedly connected to one end of the first limiting block 18 close to the first spring column 16; a through groove 14 is provided at one end of the dust cover column 12; a fixing frame 15 is fixedly connected to the top of the inner side of the fixing frame 15; a plurality of first tooth grooves 17 are provided at one end of the rotating column 13 away from the dust cover column 12; a first limiting block 18 is slidably matched with the inner side of the fixing frame 15; a plurality of card blocks 19 are fixedly connected to one end of the first limiting block 18 close to the first spring column 16; a plurality of card blocks 19 are fixedly connected to one end of the rotating column 13 away from ... A plurality of second tooth grooves 110 are provided at one end of a limit block 18; a support block 111 is fixedly connected to the top of the dust cover column 12; a tooth column 112 is rotatably connected to the inner side of the support block 111; the tooth column 112 and the second tooth groove 110 are meshed with each other; a slider 113 is slidably connected to the inner side of the dust cover column 12; a plurality of first slide grooves 114 are provided inside the slider 113; a pair of second spring columns 115 are fixedly connected to the side wall of the inner side of the first slide groove 114 away from the tooth column 112; teeth 116 are slidably connected to the inner side of the first slide groove 114; the teeth 116 and the second spring column 115 are connected with each other; the tooth column 112 and the teeth 116 are meshed with each other; the inner side wall of the rotating column 13 is fixedly connected to the first sealing sleeve column 1 17; the first sealing sleeve column 117 is connected to the inner wall of the dust sleeve column 12; when working, the first sealing sleeve column 117 is made of elastic material. After the roller brush body 1 and the connecting rod 11 are used, the roller brush body 1 is placed on the inner side of the dust sleeve column 12, and the connecting rod 11 is placed on the inner side of the through groove 14 at this time; the first limit block 18 is moved to the inner side of the fixed frame 15, and the first spring column 16 and the clamping block 19 are engaged with each other, so that the first limit block 18 can be fixed on the top of the rotating column 13. At this time, the first limit block 18 and the first tooth groove 17 are engaged with each other, so that the rotating column 13 can only move in one direction; by rotating the rotating column 13, the rotating column 13 drives the first sealing sleeve column 117 to rotate, so that the first sealing sleeve column 117 is deformed, The first sealing sleeve column 117 is used to seal one end of the dust sleeve column 12, so that the roller brush body 1 is sealed inside the dust sleeve column 12; and in the process of the rotation of the rotating column 13, the tooth column 112 is driven to rotate through the second tooth groove 110, and the rotating tooth column 112 can push the slider 113 to move downward through the tooth 116, so that the slider 113 squeezes and fixes the roller brush body 1 inside the dust sleeve column 12; and according to the different sizes of the roller brush body 1 itself, when the inner wall of the slider 113 and the outer wall of the roller brush body 1 fit each other, the rotating tooth column 112 can squeeze the tooth 116, so that the tooth 116 enters the inner side of the first slide groove 114 through the second spring column 115, and at this time, the tooth 116 is no longer engaged with the tooth column 112;The overall device can support the roller brush body 1 through the slider 113, so that the roller brush body 1 is more stable inside the dust cover column 12, and the dust cover column 12 is not tightly fitted with the inner wall of the roller brush body 12 due to the size reduction, which eventually causes the dust cover column 12 to fall off. ;

[0028] like Figure 2 and Figure 4 As shown, a pair of slide rails 2 are fixedly connected to the side wall of the dust cover column 12 near the through groove 14; a plurality of third tooth grooves 21 are provided on the side wall of the inner side of the slide rail 2 near the dust cover column 12; a third spring column 22 is fixedly connected to the side wall of the inner side of the slide rail 2 away from the dust cover column 12; an extrusion plate 23 is fixedly connected to one end of the third spring column 22 near the dust cover column 12; the extrusion plate 23 is arranged on the inner side of the slide rail 2; a blocking plate 24 is slidably matched with the inner side of the slide rail 2; a pair of card plates 25 are rotatably connected to one end of the blocking plate 24 near the dust cover column 12; when working, the blocking plate 24 is operated to make the card plate The plate 25 enters the inner side of the slide rail 2, and operates the extrusion plate 23 to move away from the dust cover column 12, and makes the card plate 25 enter the connection between the extrusion plate 23 and the third tooth groove 21, and releases the extrusion plate 23. The extrusion plate 23 can be squeezed by the third spring column 22. At this time, the third tooth groove 21 and the card plate 25 are engaged with each other, so that the blocking plate 24 can be fixed on the outside of the dust cover column 12; the blocking plate 24 can close the through groove 14, thereby reducing the occurrence of external impurities entering the dust cover column 12 through the inner side of the through groove 14. The overall device improves the cleanliness of the inside of the dust cover column 12.

[0029] like Figure 3 As shown, a drainage plate 3 is provided at one end of the dust-proof sleeve column 12 away from the fixed frame 15; a plurality of groups of support columns 31 are fixedly connected to the side wall of the inner side of the dust-proof sleeve column 12 away from the fixed frame 15; a support ring 32 is fixedly connected to one end of the support column 31 away from the drainage plate 3; the support ring 32 is arranged on the inner side of the dust-proof sleeve column 12, and the support ring 32 is in a suspended state; during operation, when the roller brush body 1 enters the inner side of the dust-proof sleeve column 12, the roller brush body 1 is placed on the inner side of the support ring 32, and the roller brush body 1 can be suspended by the cooperation between the support columns 31 and the support ring 32; the moisture attached to the surface of the roller brush body 1 can be discharged to the outside through the drainage plate 3, thereby reducing the occurrence of moisture attached to the surface of the roller brush body 1 accumulating inside the dust-proof sleeve column 12; and the drainage plate 3 can block external impurities, thereby reducing the occurrence of external impurities entering the dust-proof sleeve column 12 through the drainage plate 3.

[0030] like Figure 1 - Figure 2As shown, the first limit block 18 is fixedly connected to the second limit block 4 at one end close to the fixed frame 15; the inner side of the second limit block 4 is slidably matched with the limit column 41; the limit column 41 is connected to the side wall of the fixed frame 15; during operation, when the first limit block 18 is installed on the inner side of the fixed frame 15, the second limit block 4 cooperates with the limit column 41 to make the first limit block 18 more stable, thereby reducing the occurrence of the first limit block 18 detaching from the inner side of the fixed frame 15; and improving the stability of the first limit block 18 during operation.

[0031] like Figure 2 As shown, the inner side of the support block 111 is rotatably connected with a plurality of groups of fitting wheels 5; the outer side wall of the fitting wheel 5 fits with the outer side wall of the tooth column 112; during operation, the fitting wheel 5 rotates together with the rotation of the tooth column 112, and the fitting wheel 5 can reduce the friction between the contact surface of the tooth column 112 and the support block 111, thereby increasing the service life of the support block 111 and the tooth column 112.

[0032] like Figure 1 As shown, the dust-proof sleeve column 12 is fixedly connected to the second sealing sleeve column 6 at one end close to the through groove 14; the second sealing sleeve column 6 is fixedly connected to the sealing ring 61 at one end away from the dust-proof sleeve column 12; during operation, when the roller brush body 1 is placed on the inner side of the dust-proof sleeve column 12, the second sealing sleeve column 6 and the sealing ring 61 cooperate with each other to seal the outer side wall of the connecting rod 11, thereby reducing the occurrence of external impurities entering the interior of the dust-proof sleeve column 12 through the connection between the connecting rod 11 and the through groove 14.

[0033] like Figure 5 As shown, a first magnetic plate 7 is fixedly connected to the side wall of the inner side of the first slide groove 114 away from the support block 111; a second magnetic plate 71 is fixedly connected to the side wall of the tooth 116 close to the second spring column 115; the first magnetic plate 7 and the second magnetic plate 71 are both arranged on the inner side of a pair of second spring columns 115; when working, the first magnetic plate 7 and the second magnetic plate 71 repel each other due to magnetic force, so that the end of the tooth 116 is more closely attached to the contact surface of the tooth column 112, thereby improving the stability of the tooth column 112 when the slider 113 is driven to move through the tooth 116.

[0034] Working principle: During operation, the first sealing sleeve column 117 is made of elastic material. After the roller brush body 1 and the connecting rod 11 are used, the roller brush body 1 is placed inside the dust sleeve column 12, and the connecting rod 11 is placed inside the through groove 14 at this time; the first limit block 18 is moved to the inside of the fixed frame 15, and the first spring column 16 and the clamping block 19 are engaged with each other, so that the first limit block 18 can be fixed on the top of the rotating column 13. At this time, the first limit block 18 and the first tooth groove 17 are engaged with each other, so that the rotating column 13 can only move in one direction; by rotating the rotating column 13, the rotating column 13 drives the first sealing sleeve column 117 to rotate, so that the first sealing sleeve column 117 is deformed, so that the first sealing sleeve column 117 is pressed against the dust sleeve column 12 One end is closed, so that the roller brush body 1 is closed inside the dust cover column 12; and in the process of rotation of the rotating column 13, the tooth column 112 is driven to rotate through the second tooth groove 110, and the rotating tooth column 112 can push the slider 113 downward through the tooth teeth 116, so that the slider 113 squeezes and fixes the roller brush body 1 inside the dust cover column 12; and according to the different sizes of the roller brush body 1 itself, when the inner wall of the slider 113 and the outer wall of the roller brush body 1 fit each other, the rotating tooth column 112 can squeeze the tooth teeth 116, so that the tooth teeth 116 enter the inner side of the first slide groove 114 through the second spring column 115, at this time, the tooth teeth 116 are no longer meshed with the tooth column 112; the overall device can be moved by the slider 1 13 supports the roller brush body 1, so that the roller brush body 1 is more stable on the inner side of the dust cover column 12, and reduces the situation that the dust cover column 12 will fall off due to the insufficient fit between the roller brush body 1 and the inner wall of the dust cover column 12 due to the size reduction; operate the blocking plate 24 to make the card plate 25 enter the inner side of the slide rail 2, and operate the extrusion plate 23 to move away from the dust cover column 12, and make the card plate 25 enter the connection between the extrusion plate 23 and the third tooth groove 21, release the extrusion plate 23, and the extrusion plate 23 can be squeezed by the third spring column 22. At this time, the third tooth groove 21 and the card plate 25 are meshed with each other, so that the blocking plate 24 can be fixed on the outside of the dust cover column 12; the blocking plate 24 can be 4 performs sealing work, thereby reducing the occurrence of external impurities entering the dust cover column 12 through the inner side of the through groove 14, and the overall device improves the cleanliness of the dust cover column 12; when the roller brush body 1 enters the inner side of the dust cover column 12, the roller brush body 1 is placed on the inner side of the support ring 32, and the roller brush body 1 can be suspended in the air through the cooperation between the support column 31 and the support ring 32; the moisture attached to the surface of the roller brush body 1 can be discharged to the outside through the drainage plate 3, thereby reducing the occurrence of moisture attached to the surface of the roller brush body 1 accumulating inside the dust cover column 12; and the drainage plate 3 can block external impurities, thereby reducing the occurrence of external impurities entering the dust cover column 12 through the drainage plate 3;When the first limit block 18 is installed on the inner side of the fixed frame 15, the second limit block 4 cooperates with the limit column 41 to make the first limit block 18 more stable, thereby reducing the possibility of the first limit block 18 being separated from the inner side of the fixed frame 15; improving the stability of the first limit block 18 when working; during the rotation of the tooth column 112, the fitting wheel 5 rotates together, and the fitting wheel 5 can reduce the friction between the contact surface of the tooth column 112 and the support block 111, thereby improving the working life of the support block 111 and the tooth column 112; when the roller brush After the body 1 is placed inside the dust cover column 12, the second sealing cover column 6 and the sealing ring 61 cooperate with each other to seal the outer wall of the connecting rod 11, thereby reducing the possibility of external impurities entering the dust cover column 12 through the connection between the connecting rod 11 and the through groove 14; the first magnetic plate 7 and the second magnetic plate 71 repel each other due to magnetic force, so that the end of the tooth 116 is more closely attached to the contact surface of the tooth column 112, thereby improving the stability of the tooth column 112 when the slider 113 moves through the tooth 116. ;

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A multi-color roller brush with a dust cover, comprising a roller brush body (1); characterized in that: A connecting rod (11) is rotatably connected to a side wall of one side of the roller brush body (1); a dust cover column (12) is provided on one side of the roller brush body (1); a rotating column (13) is rotatably connected to one end of the dust cover column (12); a through groove (14) is provided at one end of the dust cover column (12); a fixing frame (15) is fixedly connected to the top of the dust cover column (12); a first spring column (16) is fixedly connected to the top of the inner side of the fixing frame (15); a plurality of first tooth grooves (17) are provided at one end of the rotating column (13) away from the dust cover column (12); a first limiting block (18) is slidably matched at the inner side of the fixing frame (15); a plurality of clamping blocks (19) are fixedly connected to one end of the first limiting block (18) close to the first spring column (16); a plurality of second tooth grooves (110) are provided at one end of the rotating column (13) away from the first limiting block (18); ) is fixedly connected to the top of the rotating column (111); a tooth column (112) is rotatably connected to the inner side of the supporting block (111); the tooth column (112) and the second tooth groove (110) are meshed with each other; a slider (113) is slidably connected to the inner side of the dust cover column (12); a plurality of first slide grooves (114) are provided on the inner side of the slider (113); a pair of second spring columns (115) are fixedly connected to the side wall of the inner side of the first slide groove (114) away from the tooth column (112); teeth (116) are slidably connected to the inner side of the first slide groove (114); the teeth (116) and the second spring column (115) are connected to each other; the tooth column (112) and the teeth (116) are meshed with each other; a first sealing sleeve column (117) is fixedly connected to the inner side wall of the rotating column (13); the first sealing sleeve column (117) and the inner side wall of the dust cover column (12) are connected to each other.

2. A multi-color roller brush with a dust cover according to claim 1, characterized in that: A pair of slide rails (2) are fixedly connected to the side wall of the dust cover column (12) on the side close to the through groove (14); a plurality of third tooth grooves (21) are provided on the side wall of the inner side of the slide rail (2) on the side close to the dust cover column (12); a third spring column (22) is fixedly connected to the side wall of the inner side of the slide rail (2) away from the dust cover column (12); an extrusion plate (23) is fixedly connected to one end of the third spring column (22) close to the dust cover column (12); the extrusion plate (23) is arranged on the inner side of the slide rail (2); a blocking plate (24) is slidably matched on the inner side of the slide rail (2); a pair of clamping plates (25) are rotatably connected to one end of the blocking plate (24) close to the dust cover column (12).

3. The multi-color roller brush with a dust cover according to claim 1, characterized in that: A liquid discharge plate (3) is provided at one end of the dust cover column (12) away from the fixed frame (15); a plurality of groups of support columns (31) are fixedly connected to the side wall of the inner side of the dust cover column (12) away from the fixed frame (15); a support ring (32) is fixedly connected to one end of the support column (31) away from the liquid discharge plate (3); the support ring (32) is provided on the inner side of the dust cover column (12), and the support ring (32) is in a suspended state.

4. The multi-color roller brush with a dust cover according to claim 1, characterized in that: A second limit block (4) is fixedly connected to one end of the first limit block (18) close to the fixed frame (15); a limit column (41) is slidably engaged inside the second limit block (4); and the limit column (41) is connected to a side wall of the fixed frame (15).

5. The multi-color roller brush with a dust cover according to claim 1, characterized in that: The inner side of the support block (111) is rotatably connected to a plurality of sets of fitting wheels (5); the outer side walls of the fitting wheels (5) fit in with the outer side walls of the toothed columns (112).

6. The multi-color roller brush with a dust cover according to claim 1, characterized in that: A second sealing sleeve column (6) is fixedly connected to one end of the dustproof sleeve column (12) close to the through groove (14); and a sealing ring (61) is fixedly connected to one end of the second sealing sleeve column (6) away from the dustproof sleeve column (12).

7. The multi-color roller brush with a dust cover according to claim 1, characterized in that: A first magnetic plate (7) is fixedly connected to a side wall of the inner side of the first sliding groove (114) away from the support block (111); a second magnetic plate (71) is fixedly connected to a side wall of the tooth (116) close to the second spring column (115); the first magnetic plate (7) and the second magnetic plate (71) are both arranged on the inner side of a pair of second spring columns (115).

Images