Decoration whitewashing device

By introducing a paint extraction mechanism into the decorative and decoration whitening coating device, the problem of falling and uneven whitening caused by excessive paint during the whitening coating process is solved, and a more uniform and efficient whitening effect is achieved.

CN223034451UActive Publication Date: 2025-06-27SHENG HENGTAI (BEIJING) CONSTRUCTION CO LTD
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Patent Information

Application Number
CN202421974467.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-15
Publication Date
2025-06-27
Estimated Expiration
2034-08-15

AI Technical Summary

Technical Problem

When the existing decorative and decoration whitening device is rolling whitening, excessive paint conveyed by whitening cannot be effectively collected, resulting in the paint being easily dropped and filtered paint accumulation, resulting in the problem of uneven whitening.

Method used

A decorative and decoration whitening device is designed, including a paint extraction mechanism, which includes a recycling tube, a recycling pump and a recycling hose, which can recycle excess paint from the rolling whitening mechanism to avoid paint falling and uneven whitening.

Benefits of technology

Through the use of the paint extraction mechanism, the problem of paint falling and uneven whitening is effectively avoided, ensuring the uniformity and efficiency of the whitening process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a decoration whitewashing device, including outside handle, electricity storage box, control panel and belt universal wheel frame, outside handle is installed and connected to the left end position of belt universal wheel frame, the inside of belt universal wheel frame is provided with electricity storage box, the upper end of electricity storage box is provided with control panel, the inside of belt universal wheel frame is provided with the control panel, the inside of belt universal wheel frame is provided with the control panel, the inside of belt universal wheel frame is provided with the control panel, the inside of belt universal wheel frame is provided with the control panel, the inside of belt universal wheel frame is provided with the control panel. A storage box body is arranged at the position, located on the frame with the universal wheels, of the front end of the power storage box body, observation windows are arranged on the inner sides of the two ends of the storage box body, a uniform stirring and adding mechanism is arranged in the middle of the inner side of the storage box body, and a whitewashing lifting mechanism is arranged at the front end of the storage box body; a rolling whitewashing mechanism is arranged at the front end of the whitewashing lifting mechanism, and an extraction conveying mechanism is arranged on the left side of the upper end of the whitewashing lifting mechanism. The decoration whitewashing device disclosed by the utility model has the technical effects that the paint pumping-back mechanism is used for pumping and recycling, so that paint dripping and uneven rolling whitewashing are avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of decoration, in particular to a whitening device for decoration. Background Art

[0002] Decoration, also known as decoration or decoration, refers to a set of construction plans and design plans formed based on certain design concepts and aesthetic rules, which are carried out within a certain area and scope, including water and electricity construction, walls, floors, ceilings, landscaping, etc. When decorating and renovating, whitewashing equipment is needed to facilitate the use of whitewashing.

[0003] The existing Chinese patent CN221372805U disclosed a decorative whitening device on July 19, 2024, including a supporting device for holding paint and spraying it under pressure, a roller brush device for rolling the wall up and down is installed at the front end of the supporting device, and also includes a re-brushing device installed on the roller brush device for secondary rolling the wall and elastically sticking to the wall; the re-brushing device includes a re-brushing frame, a second roller brush is rotatably installed in the re-brushing frame, a second nozzle is arranged on the second roller brush, a mounting plate is arranged at the rear of the re-brushing frame, and a plurality of connecting rods are evenly arranged between the mounting plate and the re-brushing frame, and a spring is installed on the outside of the connecting rod.

[0004] However, when the above-mentioned decorative whitewashing device is rolling whitewashing, the excess paint conveyed by the whitewashing cannot be effectively collected, so that when the filtered paint is added, the paint is easy to fall on the ground, and the accumulation of the filtered paint makes it easy to cause uneven whitewashing during rolling whitewashing. Utility Model Content

[0005] The utility model discloses a decoration whitening device, which aims to solve the technical problem that when the above-mentioned decoration whitening device is rolling whitening, the excessive paint conveyed by the whitening cannot be effectively collected, so that when adding filtered paint, the paint is easy to fall on the ground, and the accumulation of filtered paint makes it easy to cause uneven whitening during rolling whitening.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A decoration and painting device includes an outer handle, a power storage box body, a control panel, and a frame with universal wheels. The outer handle is installed and connected to the left end of the frame with universal wheels. Inside the frame with universal wheels is arranged the power storage box body. On the upper end of the power storage box body is set the control panel. In front of the power storage box body and on the frame with universal wheels is arranged a storage box body. Observation windows are arranged on the inner sides at both ends of the storage box body. In the middle of the inner side of the storage box body is arranged a uniform stirring and adding mechanism. In front of the storage box body is arranged a painting lifting mechanism. In front of the painting lifting mechanism is arranged a rolling painting mechanism. On the upper left side of the painting lifting mechanism is arranged a pumping and conveying mechanism. On the upper right side of the painting lifting mechanism is arranged a paint recycling mechanism;

[0008] The paint recycling mechanism includes a recovery pipe, a recovery pump, and a recovery hose. The recovery pipe is arranged at the rear end of the recovery pump. The recovery hose is arranged at the front end of the recovery pump. The recovery hose is connected to the rolling painting mechanism. The recovery pipe is connected to the storage box body. The recovery pump is connected to the painting lifting mechanism.

[0009] By setting the outer handle structure, personnel can hold the outer handle on the frame with universal wheels to push. The power storage box body can be charged for portable use. The control panel is installed on the upper end of the power storage box body, which is convenient for corresponding operation and control. During painting, the uniform stirring and adding mechanism can add paint raw materials into the storage box body for storage. The pumping and conveying mechanism can pump the paint in the storage box body for conveying, so that it is conveyed to the rolling painting mechanism for addition. When the rolling painting mechanism makes rolling contact with an external object, it can perform rolling painting on the external object. The rolling painting mechanism can change the painting height position through the painting lifting mechanism. The paint recycling mechanism can recycle the excess paint of the rolling painting mechanism, avoiding the situation of paint dropping and uneven painting caused by excessive paint. The paint recycled by the paint recycling mechanism can be conveyed back to the storage box body.

[0010] In a preferred solution, the uniform stirring and adding mechanism includes a first coupling, a hopper with a control valve, a shunt liquid pipe, a shunt main pipe, stirring sub-rods, a stirring main rod, and a stirring motor. The output end of the stirring motor is provided with the first coupling. The first coupling is provided with the stirring main rod at its lower end. Stirring sub-rods are arranged on the peripheral side of the stirring main rod. Hoppers with control valves are arranged on both sides of the stirring motor. The shunt main pipe is arranged at the lower end of the hopper with a control valve. The shunt liquid pipe is arranged inside the shunt main pipe. The hopper with a control valve and the stirring motor are installed and connected to the storage box body.

[0011] By setting the uniform stirring and adding mechanism structure, uniform stirring and addition can be achieved.

[0012] In a preferred embodiment, the extraction and conveying mechanism includes a box extraction pipe, an extraction pump, and a conveying hose. The box extraction pipe is provided at the rear end of the extraction pump, and the conveying hose is provided at the front end of the extraction pump. The conveying hose is connected to the rolling whitewashing mechanism, and the extraction pump is connected to the whitewashing lifting mechanism.

[0013] By providing the extraction and conveying mechanism structure, it is possible to extract and convey for use.

[0014] In a preferred embodiment, the rolling whitewashing mechanism includes a whitewashing roller, a recovery housing, a rotating motor, a connecting end plate, a connecting arm plate, and a hollow sleeve frame. The connecting arm plate is provided in the middle of the front end of the connecting end plate. The hollow sleeve frame is provided at the front end of the connecting arm plate. The whitewashing roller is provided inside the hollow sleeve frame. The rotating motor is provided on the left end of the whitewashing roller on the hollow sleeve frame. The recovery housing is provided at the lower end of the hollow sleeve frame. The upper end of the hollow sleeve frame is connected to the conveying hose.

[0015] By providing the rolling whitewashing mechanism structure, it is possible to perform rolling whitewashing.

[0016] In a preferred embodiment, the whitewashing lifting mechanism includes a placement seat, a lead screw motor, a lead screw body, and a lead screw slider. The lead screw body is provided in the middle of the front end of the placement seat. The internal lead screw of the lead screw body is connected to the output end of the lower lead screw motor through a coupling. The lead screw slider is provided on the circumferential side of the internal lead screw of the lead screw body. The lead screw slider is connected to the rolling whitewashing mechanism.

[0017] By providing the whitewashing lifting mechanism structure, it is possible to drive for lifting and whitewashing.

[0018] In a preferred embodiment, the stirring main rod is centered on the axis, and both ends of the stirring main rod are symmetrical.

[0019] By providing the stirring main rod structure, it is possible to perform stable stirring for use.

[0020] In a preferred embodiment, a recovery bottom pipe is provided at the lowest point of the lower end of the recovery housing, and the recovery bottom pipe is connected to a recovery hose.

[0021] By providing the recovery bottom pipe structure, it is possible to collect and discharge the paint collected by the recovery housing. The paint can be conveyed into the recovery hose through the recovery bottom pipe for recovery.

[0022] As can be seen from the above, a decoration and painting whitening device includes an outer handle, a power storage box body, a control panel, and a frame with universal wheels. The outer handle is installed and connected to the left end of the frame with universal wheels. The power storage box body is arranged inside the frame with universal wheels. The control panel is arranged at the upper end of the power storage box body. A storage box body is arranged on the frame with universal wheels at the front end of the power storage box body. Observation windows are arranged on the inner sides at both ends of the storage box body. A uniform stirring and adding mechanism is arranged in the middle inside the storage box body. A painting whitening lifting mechanism is arranged at the front end of the storage box body. A rolling painting whitening mechanism is arranged at the front end of the painting whitening lifting mechanism. An extraction and conveying mechanism is arranged on the upper left side of the painting whitening lifting mechanism. A paint back-extraction mechanism is arranged on the upper right side of the painting whitening lifting mechanism. The decoration and painting whitening device provided by the present invention has the technical effect of avoiding paint dripping and uneven rolling painting whitening by means of the paint back-extraction mechanism for extraction and recovery. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 FIG. 1 is a schematic three-dimensional structure diagram of a decoration and painting whitening device proposed by the present invention.

[0024] Figure 2 FIG. 2 is a schematic structure diagram of a uniform stirring and adding mechanism of a decoration and painting whitening device proposed by the present invention.

[0025] Figure 3 FIG. 3 is a schematic structure diagram of a painting whitening lifting mechanism, an extraction and conveying mechanism, a paint back-extraction mechanism, and a rolling painting whitening mechanism of a decoration and painting whitening device proposed by the present invention.

[0026] Figure 4 FIG. 4 is a schematic structure diagram of a rolling painting whitening machine of a decoration and painting whitening device proposed by the present invention.

[0027] Figure 5 FIG. 5 is a schematic non-sectional structure diagram of a rolling painting whitening machine of a decoration and painting whitening device proposed by the present invention.

[0028] In the attached drawings: 1. Outer handle; 2. Battery storage box body; 3. Control panel; 4. Uniform stirring and adding mechanism; 41. Hopper with control valve; 42. Shunt liquid pipe; 43. Shunt main pipe; 44. Stirring sub-rod; 45. Stirring main rod; 46. Stirring motor; 40. First coupling; 5. Whitewashing lifting mechanism; 51. Placing seat; 52. Lead screw motor; 53. Lead screw body; 54. Lead screw slider; 6. Frame with universal wheels; 7. Rolling whitewashing mechanism; 71. Whitewashing roller; 72. Recovery cover; 73. Rotating motor; 74. Connecting end plate; 75. Connecting arm plate; 76. Hollow sleeve frame; 77. Recovery bottom pipe; 8. Observation window; 9. Storage box body; 10. Extraction and conveying mechanism; 101. Box extraction pipe; 102. Extraction pump; 103. Conveying hose; 11. Paint back-extraction mechanism; 111. Recovery pipe; 112. Recovery pump; 113. Recovery hose. Detailed implementation mode

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the attached 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.

[0030] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the attached drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0031] Refer to Figures 1 - 5, A decorative and finishing whitening device, including an outer handle 1, a power storage box 2, a control panel 3, and a frame with universal wheels 6. The outer handle 1 is installed and connected to the left end of the frame with universal wheels 6, so that personnel can hold it and push. Inside the frame with universal wheels 6, there is a power storage box 2, which can be charged and used for carrying. On the upper end of the power storage box 2, there is a control panel 3, which is convenient for operation and control. At the front end of the power storage box 2 on the frame with universal wheels 6, there is a storage box 9, which can store paint for carrying. Inside both ends of the storage box 9, there are observation windows 8, through which it is convenient to check the height position of the paint. In the middle of the inside of the storage box 9, there is a uniform stirring and adding mechanism 4, which can add two materials for stirring and adding. At the front end of the storage box 9, there is a whitening lifting mechanism 5, and at the front end of the whitening lifting mechanism 5, there is a rolling whitening mechanism 7. Thus, the rolling whitening mechanism 7 can change the whitening height position through the whitening lifting mechanism 5. On the upper left side of the whitening lifting mechanism 5, there is a pumping and conveying mechanism 10, which can pump the paint in the storage box 9 for conveying, so that it is conveyed to the rolling whitening mechanism 7 for adding. On the upper right side of the whitening lifting mechanism 5, there is a paint recycling mechanism 11, which can recycle the excess paint in the rolling whitening mechanism 7, avoiding the situation of paint dropping and uneven whitening caused by too much paint;

[0032] The paint recycling mechanism 11 includes a recycling pipe 111, a recycling pump 112, and a recycling hose 113. At the rear end of the recycling pump 112, there is a recycling pipe 111, which is connected to the storage box 9. Thus, the recycling pump 112 can convey the recycled and pumped paint to the storage box 9 through the recycling pipe 111 for secondary use. At the front end of the recycling pump 112, there is a recycling hose 113, which is connected to the rolling whitening mechanism 7. The recycling pump 112 can recycle and pump the excess paint in the rolling whitening mechanism 7 through the recycling hose 113, thus avoiding the paint dropping on the ground and the situation of uneven whitening caused by too much paint. The recycling pump 112 is installed and connected to the whitening lifting mechanism 5, so that it can be stably placed and used.

[0033] Refer to Figure 1 and Figure 2, in a preferred embodiment, the uniform stirring and adding mechanism 4 includes a first coupling 40, a hopper with a control valve 41, a liquid diversion pipe 42, a main diversion pipe 43, stirring sub-rods 44, a main stirring rod 45, and a stirring motor 46. The output end of the stirring motor 46 is equipped with the first coupling 40, and the lower end of the first coupling 40 is installed with the main stirring rod 45. Thus, when the output end of the stirring motor 46 drives the first coupling 40 to rotate, the first coupling 40 can drive the main stirring rod 45 to rotate. The circumferential side of the main stirring rod 45 is fixedly connected with the stirring sub-rods 44, so that the main stirring rod 45 can drive the stirring sub-rods 44 to rotate. On both sides of the stirring motor 46, there are hoppers with control valves 41. The lower end of the hopper with a control valve 41 is fixedly connected with the main diversion pipe 43. When the valve of the hopper with a control valve 41 is opened, the paint material can be transported into the main diversion pipe 43. The inner side of the main diversion pipe 43 is fixedly connected with the liquid diversion pipe 42, so that the paint can be diverted and transported through the liquid diversion pipe 42. The diverted paint can be efficiently dispersed and mixed through the rotation of the stirring sub-rods 44. The hopper with a control valve 41 and the stirring motor 46 are correspondingly installed and connected to the storage box 9, so that they can be stably installed and used;

[0034] Taking the main stirring rod 45 as the axis center, and the two ends of the main stirring rod 45 are in a symmetrical state, so that it can be stably placed and used.

[0035] Refer to Figure 1 and Figure 3 , in a preferred embodiment, the extraction and transportation mechanism 10 includes a box extraction pipe 101, an extraction pump 102, and a transportation hose 103. The box extraction pipe 101 is installed at the rear end of the extraction pump 102, and the extraction pump 102 can extract the paint in the storage box 9 through the box extraction pipe 101 for transportation. The transportation hose 103 is installed at the front end of the extraction pump 102, so that the extraction pump 102 can transport the extracted paint into the transportation hose 103. The transportation hose 103 is connected to the rolling whitewashing mechanism 7, so that the paint can be transported into the rolling whitewashing mechanism 7 for addition. The extraction pump 102 is fixedly connected to the whitewashing lifting mechanism 5, so that it can be stably placed and used.

[0036] Refer to Figure 1 , Figure 3 and Figure 4, in a preferred embodiment, the rolling whitewashing mechanism 7 includes a whitewashing roller 71, a recovery housing 72, a rotating motor 73, a connecting end plate 74, a connecting arm plate 75, and a hollow sleeve frame 76. In the middle of the front end of the connecting end plate 74, a connecting arm plate 75 is fixedly connected. At the front end of the connecting arm plate 75, a hollow sleeve frame 76 is installed. Inside the hollow sleeve frame 76, a whitewashing roller 71 is rotatably installed. At the left end of the whitewashing roller 71 located on the hollow sleeve frame 76, a rotating motor 73 is installed. The rotating motor 73 can drive the whitewashing roller 71 to rotate, so as to perform rolling whitewashing on external objects. At the lower end of the hollow sleeve frame 76, a recovery housing 72 is installed, which can collect paint centrally. The upper end of the hollow sleeve frame 76 is connected to the conveying hose 103, so that the hollow sleeve frame 76 can receive the paint conveyed by the conveying hose 103 for use;

[0037] At the lowest position of the lower end of the recovery housing 72, a recovery bottom pipe 77 is installed. The recovery bottom pipe 77 is connected to the recovery hose 113, so that the paint collected by the recovery housing 72 can be conveyed into the recovery hose 113 through the recovery bottom pipe 77 for recovery.

[0038] Referring to Figure 1 and Figure 3 , in a preferred embodiment, the whitewashing lifting mechanism 5 includes a placement seat 51, a lead screw motor 52, a lead screw body 53, and a lead screw slider 54. In the middle of the front end of the placement seat 51, a lead screw body 53 is installed. The lead screw inside the lead screw body 53 is connected to the output end of the lower lead screw motor 52 through a coupling. On the circumferential side of the lead screw inside the lead screw body 53, a lead screw slider 54 is installed. Thus, when the output end of the lead screw motor 52 drives the coupling to rotate forward and backward, the lead screw inside the lead screw body 53 can be driven to rotate forward and backward. When the lead screw inside the lead screw body 53 rotates forward and backward, the lead screw slider 54 on the circumferential side can move up and down. The lead screw slider 54 is connected to the rolling whitewashing mechanism 7, so that the whitewashing position of the rolling whitewashing mechanism 7 can be changed.

[0039] Working principle: During use, the operator holds the outer handle 1 on the frame 6 with universal wheels and pushes it. The battery storage box 2 can be charged and carried for use. On the upper end of the battery storage box 2, a control panel 3 is installed, which is convenient for corresponding operation and control. When whitewashing, the paint raw materials can be added to the storage box 9 through the uniform stirring and adding mechanism 4 for storage. The extraction and conveying mechanism 10 can extract the paint from the storage box 9 and convey it, so that it is conveyed into the rolling whitewashing mechanism 7 for addition. When the rolling whitewashing mechanism 7 makes rolling contact with external objects, it can perform rolling whitewashing on the external objects. The rolling whitewashing mechanism 7 can change the whitewashing height position through the whitewashing lifting mechanism 5. The paint back extraction mechanism 11 can recover the excess paint of the rolling whitewashing mechanism 7, avoiding the situation of paint dropping and uneven whitewashing caused by excessive paint. The paint recovered by the paint back extraction mechanism 11 can be conveyed into the storage box 9.

[0040] As described above, it is only the preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. The substitution may be the substitution of some structures, devices, method steps, or a complete technical solution. Any equivalent substitution or change made according to the technical solution of the present utility model and its inventive concept shall be covered within the protection scope of the present utility model.

Claims

1. A decorative whitening device, comprising an outer handle (1), a battery box (2), a control panel (3) and a frame with universal wheels (6), wherein the outer handle (1) is mounted and connected to the left end of the frame with universal wheels (6), the battery box (2) is arranged on the inner side of the frame with universal wheels (6), and the control panel (3) is arranged on the upper end of the battery box (2), characterized in that: The front end of the power storage box (2) is located on a universal wheel frame (6) and is provided with a storage box (9); observation windows (8) are provided inside the two ends of the storage box (9); a uniform stirring and adding mechanism (4) is provided in the middle of the inner side of the storage box (9); a white coating lifting mechanism (5) is provided at the front end of the storage box (9); a rolling white coating mechanism (7) is provided at the front end of the white coating lifting mechanism (5); an extraction and conveying mechanism (10) is provided on the left side of the upper end of the white coating lifting mechanism (5); and a paint retracting mechanism (11) is provided on the right side of the upper end of the white coating lifting mechanism (5); The paint re-extraction mechanism (11) comprises a recovery pipe (111), a recovery pump (112) and a recovery hose (113); the recovery pipe (111) is arranged at the rear end of the recovery pump (112); the recovery hose (113) is arranged at the front end of the recovery pump (112); the recovery hose (113) is connected to the rolling white coating mechanism (7); the recovery pipe (111) is connected to the storage box (9); and the recovery pump (112) is connected to the white coating lifting mechanism (5).

2. A decorative whitening device according to claim 1, characterized in that: The uniform stirring and adding mechanism (4) comprises a first coupling (40), a hopper with a control valve (41), a diverting liquid pipe (42), a diverting main pipe (43), a stirring branch rod (44), a stirring main rod (45) and a stirring motor (46); the output end of the stirring motor (46) is provided with the first coupling (40); the lower end of the first coupling (40) is provided with a stirring main rod (45); the surrounding side of the stirring main rod (45) is provided with a stirring branch rod (44); the two sides of the stirring motor (46) are provided with a hopper with a control valve (41); the lower end of the hopper with a control valve (41) is provided with a diverting main pipe (43); the inner side of the diverting main pipe (43) is provided with a diverting liquid pipe (42); the hopper with a control valve (41) and the stirring motor (46) are installed and connected to the storage box (9).

3. A decorative whitening device according to claim 1, characterized in that: The extraction and conveying mechanism (10) comprises a box extraction pipe (101), an extraction pump (102) and a conveying hose (103); the box extraction pipe (101) is arranged at the rear end of the extraction pump (102); the conveying hose (103) is arranged at the front end of the extraction pump (102); the conveying hose (103) is connected to the rolling white coating mechanism (7); and the extraction pump (102) is connected to the white coating lifting mechanism (5).

4. A decorative whitening device according to claim 3, characterized in that: The rolling white coating mechanism (7) comprises a white coating roller (71), a recovery cover (72), a rotating motor (73), a connecting end plate (74), a connecting arm plate (75) and a hollow sleeve (76); a connecting arm plate (75) is arranged in the middle of the front end of the connecting end plate (74); a hollow sleeve (76) is arranged at the front end of the connecting arm plate (75); a white coating roller (71) is arranged on the inner side of the hollow sleeve (76); the left end of the white coating roller (71) is located on the hollow sleeve (76) and a rotating motor (73) is arranged; a recovery cover (72) is arranged at the lower end of the hollow sleeve (76); and the upper end of the hollow sleeve (76) is connected to the conveying hose (103).

5. A decorative whitening device according to claim 1, characterized in that: The white coating lifting mechanism (5) comprises a placement seat (51), a screw motor (52), a screw body (53) and a screw slider (54); the screw body (53) is arranged in the middle of the front end of the placement seat (51); the internal screw of the screw body (53) is connected to the output end of the lower end screw motor (52) through a coupling; the screw slider (54) is arranged around the internal screw of the screw body (53); and the screw slider (54) is connected to the rolling white coating mechanism (7).

6. A decorative whitening device according to claim 2, characterized in that: The stirring main rod (45) is the axis center, and the two ends of the stirring main rod (45) are in a symmetrical state.

7. A decorative whitening device according to claim 4, characterized in that: A recovery bottom pipe (77) is provided at the lowest point of the lower end of the recovery cover (72), and the recovery bottom pipe (77) is connected to the recovery hose (113).

Citation Information

Patent Citations

  • Decoration whitewashing device

    CN221372805U