Trowelling device for whitewashing wall

Abstract

The utility model discloses a trowelling device for whitewashing a wall, which comprises a protective frame, a whitewashing roller is arranged in the protective frame, a connecting shaft for the whitewashing roller to rotate is arranged in the center of the whitewashing roller, the whitewashing roller and the connecting shaft are coaxially arranged, the connecting shaft is in threaded connection with the protective frame, the connecting shaft penetrates through two sides of the protective frame, and the protective frame is provided with a plurality of grooves. And one side of the protective frame is fixedly connected with a side plate. Through cooperative use of the connecting shaft and the painting roller, the wall surface can be painted and flattened, a rotary threaded rod is matched with a side plate for use, a scraping plate can move downwards, the scraping plate can make contact with the external wall surface, bulged hard blocks on the wall surface can be conveniently leveled, the practicability of the device is improved, a limiting ring is loosened, and the wall surface can be brushed and flattened. And the connecting shaft is rotated, the connecting shaft and the painting roller can be detached, the painting roller can be replaced conveniently, and the protective frame is arranged, so that paint can be prevented from splashing to the hand of a user when the wall surface is painted and troweled.

Description

Technical Field

[0001] The utility model belongs to the technical field of whitewashed walls, in particular to a smoothing device for whitewashed walls. Background Art

[0002] Whitewashed wall means a wall painted with white lime or plastered with lime or other paints. The smoothing device used for whitewashed wall mostly refers to a whitewash brush, which refers to a tool for removing or applying made of bundles of wool, such as a brush, a hair brush, or a board brush, especially a tool for makeup and powdering or a protective layer applied to the surface of a building.

[0003] The patent application publication number CN212176436U discloses a wall paint brush for construction, including a paint mechanism and a grip mechanism, wherein the grip mechanism is fixedly installed at the bottom of the paint mechanism; the paint mechanism includes a fixed rod, the left side of the top of the fixed rod is fixedly connected to a vertical rod, the right side of the vertical rod is fixedly connected to a paint rod, the surface of the paint rod is sleeved with a paint barrel, and the right side of the surface of the paint rod is threadedly connected to a threaded block; the grip mechanism includes a frame rod. The utility model realizes a wall paint brush for construction through the mutual cooperation of the paint mechanism and the grip mechanism, so that the wall paint brush can flexibly adjust its own length according to actual needs, and the adjustment length range is large, so that it is convenient for the staff to paint the building wall, which is conducive to the construction wall painting work, and the replacement of the paint barrel is also convenient and quick, with high practicality, suitable for popularization and use.

[0004] However, the wall plaster brush for construction provided in the above technical solution still has many disadvantages in actual use, such as simple structure and single function. When encountering hard blocks protruding from the wall during wall plastering, it is not convenient to flatten the hard blocks and external tools are needed, which makes wall plastering more troublesome and leads to poor practicality. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] A smoothing device for plastering walls comprises a protective frame, wherein a paint brush roller is arranged inside the protective frame, a connecting shaft for rotating the paint brush roller is arranged at the center of the paint brush roller, the paint brush roller and the connecting shaft are coaxially arranged, the connecting shaft and the protective frame are threadedly connected, and the connecting shaft passes through both sides of the protective frame, one side of the protective frame is fixedly connected to a side plate, the center of the side plate is threadedly connected to a threaded rod, and the end of the threaded rod is rotatably connected to a scraper.

[0008] Preferably, one end of the connecting shaft is a plum blossom-shaped structure, and the other end of the connecting shaft is threadedly connected to a limiting ring, and one side of the limiting ring is fitted with one side of the protective frame.

[0009] Preferably, a disc is fixedly connected to the top of the protective frame, the central axis of the disc coincides with the vertical center line of the protective frame, a rotating column is rotatably connected to the top center of the disc, an annular groove is opened on the outer periphery of the top of the disc, and the central axis of the annular groove coincides with the central axis of the disc.

[0010] Preferably, the top of the rotating column is fixedly connected to a support plate, both ends of the support plate are provided with threaded holes, the support plate is threadedly connected to a fixing rod through the threaded holes, the bottom end of the fixing rod is opposite to the annular groove, and the outer diameter of the fixing rod is equal to the width of the annular groove.

[0011] Preferably, the top of the support plate is threadedly connected to a carrier, a rotating block is arranged in the middle of the carrier, two sides of the rotating block are in contact with the inner wall of the carrier, and the rotating block and the carrier are connected via a threaded shaft.

[0012] Preferably, a telescopic rod is fixedly connected to one side of the rotating block, a handle is fixedly connected to the end of the telescopic rod, and the end of the handle is embedded in the interior of the handle.

[0013] Preferably, a protective rubber ring is provided on the outside of the handle, a plurality of rubber strips are fixedly connected to the outside of the protective rubber ring, and the protective rubber ring and the rubber strips form an integrated structure, and a hanging ring is threadedly connected to one end of the handle away from the telescopic rod.

[0014] Beneficial Effects

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model can paint and smooth the wall surface through the coordinated use of the connecting shaft and the paint roller. The rotating threaded rod and the use of the side plate can move the scraper downward, and the scraper can be brought into contact with the external wall surface, which is convenient for scraping off the raised hard blocks on the wall surface, thereby improving the practicality of the device. The limiting ring is loosened and the connecting shaft is rotated, so the connecting shaft and the paint roller can be disassembled, which is convenient for replacing the paint roller. The provision of a protective frame can prevent paint from splashing onto the user's hands when painting and smoothing the wall surface. The loosening of the threaded shaft and the use of the carrier can make the rotating block slightly rotate up and down, which is convenient for adjusting the inclination angle of the telescopic rod and the handle. The support plate can be rotated through the rotating column, which is convenient for adjusting the direction of the handle and convenient for the user to smooth in different directions. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the bottom three-dimensional structure of the utility model;

[0019] Figure 3 It is a schematic diagram of a partial three-dimensional structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of the protection frame of the utility model;

[0021] Figure 5 It is a schematic diagram of the overall front view structure of the utility model.

[0022] The corresponding relationship between the illustrations and component names in the figure is as follows:

[0023] 1. Protective frame; 2. Paint roller; 3. Connecting shaft; 4. Side plate; 5. Threaded rod; 6. Scraper; 7. Limiting ring; 8. Disc; 9. Rotating column; 10. Ring groove; 11. Support plate; 12. Fixed rod; 13. Carrier; 14. Rotating block; 15. Threaded shaft; 16. Telescopic rod; 17. Handle; 18. Protective rubber ring; 19. Hanging ring. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0027] See also Figure 1-5 The utility model provides an embodiment of a smoothing device for whitewashing walls, comprising a protective frame 1, a paint roller 2 is arranged inside the protective frame 1, a connecting shaft 3 for the paint roller 2 to rotate is arranged at the center of the paint roller 2, the paint roller 2 and the connecting shaft 3 are coaxially arranged, the connecting shaft 3 and the protective frame 1 are threadedly connected, and the connecting shaft 3 passes through both sides of the protective frame 1, one side of the protective frame 1 is fixedly connected to a side plate 4, the center of the side plate 4 is threadedly connected to a threaded rod 5, the end of the threaded rod 5 is rotatably connected to a scraper 6, through the coordinated use of the connecting shaft 3 and the paint roller 2, the wall surface can be whitewashed and smoothed, the threaded rod 5 is rotated, and the use of the side plate 4 can make the scraper 6 move downward, so that the scraper 6 can come into contact with the external wall surface, which is convenient for leveling the raised hard blocks on the wall surface, thereby improving the practicality of the device.

[0028] In this embodiment, one end of the connecting shaft 3 is a plum blossom-shaped structure, and the other end of the connecting shaft 3 is threadedly connected to a limiting ring 7. One side of the limiting ring 7 fits with one side of the protective frame 1. By loosening the limiting ring 7 and rotating the connecting shaft 3, the connecting shaft 3 and the paint roller 2 can be disassembled to facilitate the replacement of the paint roller 2. The setting of the protective frame 1 can prevent paint from splashing onto the user's hands when painting and smoothing the wall.

[0029] In this embodiment, a disc 8 is fixedly connected to the top of the protective frame 1, and the central axis of the disc 8 coincides with the vertical center line of the protective frame 1. A rotating column 9 is rotatably connected to the top center of the disc 8. An annular groove 10 is provided on the outer periphery of the top of the disc 8, and the central axis of the annular groove 10 coincides with the central axis of the disc 8. A supporting plate 11 is fixedly connected to the top of the rotating column 9, and a carrier 13 is threadedly connected to the top of the supporting plate 11. A rotating block 14 is arranged in the middle of the carrier 13. Both sides of the rotating block 14 fit with the inner wall of the carrier 13. The rotating block 14 and the carrier 13 are connected by a threaded shaft 15. A telescopic rod 16 is fixedly connected to one side of the rotating block 14, and a handle 17 is fixedly connected to the end of the telescopic rod 16. Loosening the threaded shaft 15 and cooperating with the use of the carrier 13 can make The rotating block 14 rotates slightly up and down to facilitate the adjustment of the inclination angle of the telescopic rod 16 and the handle 17. The end of the handle 17 is embedded in the interior of the handle 17, and a protective rubber ring 18 is provided on the outside of the handle 17. Threaded holes are provided at both ends of the support plate 11, and the support plate 11 is threadedly connected with a fixing rod 12 through the threaded holes. The bottom end of the fixing rod 12 is opposite to the annular groove 10, and the outer diameter of the fixing rod 12 is equal to the width of the annular groove 10. The support plate 11 can be rotated by the rotating column 9, which is convenient for adjusting the direction of the handle 17, and is convenient for the user to smooth in different directions. The fixing rod 12 is rotated so that the bottom end of the fixing rod 12 contacts the annular groove 10, and the friction between the annular groove 10 and the fixing rod 12 is used to facilitate the rotation of the support plate 11 to a certain position for fixing.

[0030] A plurality of rubber strips are fixedly connected to the outer side of the protective rubber ring 18, and the protective rubber ring 18 and the rubber strips form an integrated structure. A hanging ring 19 is threadedly connected to the end of the handle 17 away from the telescopic rod 16. The device can be held by the handle 17. The coordinated use of the protective rubber ring 18 and the rubber strip can play an anti-slip role when holding the device. The telescopic rod 16 can be used to adjust the length of the device, which is convenient for adjusting the leveling position when in use. The setting of the hanging ring 19 makes it easy to hang and place the device, making it easy to place the device.

[0031] Working principle: When using the device, first hold the device through the handle 17. The protective rubber ring 18 and the rubber strip can play a role in preventing slipping when holding the device. The telescopic rod 16 can be used to adjust the length of the device, which is convenient for adjusting the leveling position during use. The setting of the hanging ring 19 is convenient for hanging and placing the device, making it easy to place the device. The wall surface can be painted and leveled by the coordinated use of the connecting shaft 3 and the paint roller 2. The rotating threaded rod 5 and the side plate 4 can move the scraper 6 downward, so that the scraper 6 can contact the external wall surface, which is convenient for leveling the raised hard blocks on the wall surface, thereby improving the practicality of the device and loosening the limit. Ring 7, rotate the connecting shaft 3, the connecting shaft 3 and the paint roller 2 can be disassembled, and the paint roller 2 is easy to replace. The setting of the protective frame 1 can prevent paint from splashing onto the user's hands when painting and smoothing the wall. Loosen the threaded shaft 15, and use the carrier 13 to make the rotating block 14 slightly rotate up and down, which is convenient for adjusting the inclination angle of the telescopic rod 16 and the handle 17. The support plate 11 can be rotated through the rotating column 9 to facilitate adjusting the direction of the handle 17, which is convenient for the user to smooth in different directions. Rotate the fixing rod 12 so that the bottom end of the fixing rod 12 contacts the annular groove 10, and use the friction between the annular groove 10 and the fixing rod 12 to facilitate rotating the support plate 11 to a certain position for fixing.

[0032] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.

Claims

1. A plastering device for plastering walls, comprising a protective frame (1), characterized in that: A paint roller (2) is arranged inside the protective frame (1), a connecting shaft (3) for rotating the paint roller (2) is arranged at the center of the paint roller (2), the paint roller (2) and the connecting shaft (3) are coaxially arranged, the connecting shaft (3) and the protective frame (1) are threadedly connected, and the connecting shaft (3) passes through both sides of the protective frame (1), one side of the protective frame (1) is fixedly connected to a side plate (4), the center of the side plate (4) is threadedly connected to a threaded rod (5), and the end of the threaded rod (5) is rotatably connected to a scraper (6).

2. The smoothing device for plastering walls according to claim 1, characterized in that: One end of the connecting shaft (3) is a plum blossom-shaped structure, and the other end of the connecting shaft (3) is threadedly connected to a limiting ring (7), and one side of the limiting ring (7) is in contact with one side of the protective frame (1).

3. The smoothing device for plastering walls according to claim 1, characterized in that: A disc (8) is fixedly connected to the top of the protection frame (1), the central axis of the disc (8) coincides with the vertical center line of the protection frame (1), a rotating column (9) is rotatably connected to the center of the top of the disc (8), an annular groove (10) is provided on the periphery of the top of the disc (8), and the central axis of the annular groove (10) coincides with the central axis of the disc (8).

4. The smoothing device for plastering walls according to claim 3, characterized in that: The top of the rotating column (9) is fixedly connected to a support plate (11), both ends of the support plate (11) are provided with threaded holes, the support plate (11) is threadedly connected to a fixing rod (12) through the threaded holes, the bottom end of the fixing rod (12) is opposite to the annular groove (10), and the outer diameter of the fixing rod (12) is equal to the width of the annular groove (10).

5. The smoothing device for plastering walls according to claim 4, characterized in that: The top of the support plate (11) is threadedly connected to a carrier (13), a rotating block (14) is arranged in the middle of the carrier (13), two sides of the rotating block (14) are in contact with the inner wall of the carrier (13), and the rotating block (14) and the carrier (13) are connected via a threaded shaft (15).

6. The smoothing device for plastering walls according to claim 5, characterized in that: A telescopic rod (16) is fixedly connected to one side of the rotating block (14), a handle (17) is fixedly connected to the end of the telescopic rod (16), and the end of the handle (17) is embedded in the interior of the handle (17).

7. The smoothing device for plastering walls according to claim 6, characterized in that: A protective rubber ring (18) is provided on the outer side of the handle (17), a plurality of rubber strips are fixedly connected to the outer side of the protective rubber ring (18), and the protective rubber ring (18) and the rubber strips form an integrated structure. One end of the handle (17) away from the telescopic rod (16) is threadedly connected to a hanging ring (19).

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