CN220539142U

CN220539142U - Wall spraying device

Info

Publication number: CN220539142U
Application number: CN202322053712.7U
Authority: CN
Inventors: 吴鸿宣; 周立君; 李维东; 马庆祥
Original assignee: Shanghai Baoye Group Corp Ltd
Current assignee: Shanghai Baoye Group Corp Ltd
Priority date: 2023-08-01
Filing date: 2023-08-01
Publication date: 2024-02-27
Anticipated expiration: 2033-08-01

Abstract

The utility model discloses a wall surface spraying device which comprises a base (1) with a roller (11) at the bottom, a dissolving bin arranged in the base (1), a spraying accessory (5) and a leveling accessory (6) which are arranged on the base (1), wherein the spraying accessory (5) and the leveling accessory (6) are arranged side by side and are arranged at the front end of the base (1), the spraying accessory (5) comprises a spray pipe (55) with a plurality of spray heads, the spray pipe (55) is communicated with the dissolving bin, and the leveling accessory (6) comprises a scraping plate (61). This wall spraying device can make level to the wall of unevenness in the spraying process, improves the spraying effect, reduces the manual work, promotes construction speed.

Description

Wall spraying device

Technical Field

The utility model relates to the technical field of spraying equipment, in particular to a wall surface spraying device.

Background

In building and fitment in-process, most building wall need carry out spraying such as emulsion paint, and traditional wall is multi-purpose to brush the mode and is handled, and the engineering time is long, and it is inhomogeneous to brush to still utilize a large amount of manual labor, in order to make the construction effect more outstanding, and reduce artifical promotion construction speed.

The wall spraying equipment in the prior art can not level uneven wall surfaces in the spraying process, can only spray the wall surfaces no matter the wall surfaces are level, and can cause uneven and irregular wall surfaces in the spraying process.

In summary, how to effectively solve the problem that the traditional wall surface spraying device cannot level an uneven wall surface in the spraying process is a problem that needs to be solved by those skilled in the art at present.

Disclosure of Invention

The utility model aims to provide a wall surface spraying device which can level uneven wall surfaces in the spraying process, improve the spraying effect, reduce manpower and improve the construction speed.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a wall spraying device, includes the bottom have the base of gyro wheel, set up in the inside dissolving the storehouse of base, install in spraying accessory and the accessory of making level on the base, spraying accessory and accessory of making level set up side by side and set up in the front end of base, spraying accessory is including the spray tube that has a plurality of shower nozzles, the spray tube with dissolve the storehouse intercommunication, the accessory of making level includes the scraper blade.

Optionally, the device further comprises a collecting box mounted on the front side wall of the base, and the collecting box is positioned on one side close to the scraping plate;

the front side wall of the base is provided with a dovetail groove, an insert block is connected in the dovetail groove, and the front side wall of the insert block is fixedly connected with the rear side wall of the collecting box.

Optionally, the spout has been seted up to the top surface front end of base, the bottom coupling assembling of spraying accessory and leveling accessory install in the spout and with spout sliding connection.

Optionally, the top surface of base is in the both ends of spout are fixed mounting respectively and are had drive unit and settled the board, the rigid coupling has the lead screw axle on drive unit's the one end, just the other end of lead screw axle rotates to be connected in settled the board, spraying accessory and leveling accessory's lower part coupling assembling with lead screw axle threaded connection, the lead screw axle is along the horizontal direction.

Optionally, the connecting assembly comprises a connecting block with a threaded ring and a sliding block fixed on the bottom surface of the connecting block, wherein the sliding block is connected in the sliding groove, and the threaded ring is connected to the screw shaft.

Optionally, the connecting assembly further comprises an electric push rod fixed on the top surface of the connecting block, the telescopic end of the electric push rod is fixedly connected with the bottom surfaces of the spraying accessory and the support frame of the leveling accessory through a top plate, and the electric push rod is in the vertical direction;

the periphery of the electric push rod is provided with a protection frame, and the bottom surface of the protection frame is fixedly connected with the top surface of the connecting block.

Optionally, the device further comprises a water pump arranged in the base, wherein the water absorbing end of the water pump is arranged in the dissolution bin, the other end of the water pump is fixedly connected with a rubber tube, and the other end of the rubber tube is communicated with the inlet of the spray pipe;

the rubber tube is in the base, and the surplus length of the rubber tube is greater than the whole length of the screw shaft.

Optionally, the spraying accessory still includes the first flexible jar that is fixed in the built-in inslot of first support frame, with the flexible end of first flexible jar passes through the first side bearer of U font union coupling, the both ends of U font pipe are fixed to run through the both ends of side bearer, the spray tube is along vertical direction, the both ends of spray tube are fixed in respectively the upper and lower both ends of U font pipe, the built-in groove set up in on the side of first support frame orientation wall, first flexible jar along the horizontal direction and with the screw shaft is perpendicular.

Optionally, the leveling accessory further comprises a second telescopic cylinder fixed in the groove of the second support frame, the scraping plate is fixedly connected with the telescopic end of the second telescopic cylinder, the scraping plate is parallel to the spray pipe, and the second telescopic cylinder is parallel to the first telescopic cylinder.

Optionally, the lateral wall rigid coupling of second support frame has the limit board, fixed mounting has the air-blower in the back lateral wall of limit board, the air-out end activity rigid coupling of air-blower has a plurality of air cock, the air cock is fixed to run through to the preceding lateral wall of limit board.

The wall surface spraying device has the beneficial effects that the wall surface spraying device comprises the base, the dissolving bin, the spraying accessory and the leveling accessory, the bottom of the base is provided with the rollers, the rollers are fixedly connected to the four corners of the bottom surface of the base, the pushing handle is fixedly connected to the rear side wall of the base, the base is easy to drive to move, and the labor is saved.

The spraying accessory and the leveling accessory are arranged on the base, are arranged side by side, are arranged at the front end of the base, are close to the wall surface with spraying and are easy to spray; the spraying accessory and the leveling accessory can be more compact, and the occupied space is smaller.

The dissolving bin is arranged in the base, and paint and other coatings are arranged in the dissolving bin. The spraying accessory comprises a spray pipe, the spray pipe is provided with a plurality of spray heads, the spray pipe is communicated with the dissolution bin, the spray heads are aligned to the wall surface, and the paint is sprayed from the spray heads to the wall surface. The leveling accessory comprises a scraping plate, the scraping plate is in contact with the wall surface, and the wall surface is leveled through the scraping plate.

According to the wall surface spraying device provided by the utility model, the spray pipe and the scraping plate are in close contact with the wall surface, the wall surface is leveled by the scraping plate before spraying, and the flatness of the wall surface is improved; and at the same time, the coating effect of the paint can be increased.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a wall surface spraying device according to an embodiment of the present utility model;

FIG. 2 is a schematic illustration of the spray fitting of FIG. 1;

FIG. 3 is a schematic view of the leveling fitting of FIG. 1.

The figures are marked as follows:

1-a base; 11-a roller; 12-sliding grooves; 13-a dovetail groove; 14-pushing the handle; 2-an electric motor; 21-a screw shaft; 22-mounting plates; 3-a collection box; 31-plug blocks; 4-a rubber tube; 5-spraying fittings; 51-a first support frame; 52-built-in groove; 53-U-shaped tube; 54-a first telescopic cylinder; 55-spraying pipe; 56-a first side frame; 6-leveling fittings; 61-scraping plate; 62-a second support frame; 7-edge connection plates; 71-air tap; 72-blower; 81-sliding blocks; 82-connecting blocks; 83-threaded ring; 84-protecting the frame; 85-an electric push rod; 86-roof.

Detailed Description

The utility model aims at providing a wall surface spraying device which can level uneven wall surfaces in the spraying process, improves the spraying effect, reduces manpower and improves the construction speed.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a wall surface spraying device according to an embodiment of the present utility model; FIG. 2 is a schematic illustration of the spray fitting of FIG. 1; FIG. 3 is a schematic view of the leveling fitting of FIG. 1.

In a specific embodiment, the wall surface spraying device provided by the utility model comprises a base 1 with rollers 11 at the bottom, a dissolving bin arranged in the base 1, a spraying accessory 5 and a leveling accessory 6 which are arranged on the base 1, wherein the spraying accessory 5 and the leveling accessory 6 are arranged side by side and are arranged at the front end of the base 1, the spraying accessory 5 comprises a spray pipe 55 with a plurality of spray heads, the spray pipe 55 is communicated with the dissolving bin, and the leveling accessory 6 comprises a scraping plate 61.

In the above-mentioned structure, wall spraying device includes base 1, dissolves storehouse, spraying accessory 5 and accessory 6 of making level, and the bottom of base 1 has gyro wheel 11, specifically rigid coupling gyro wheel 11 on the four corners of the bottom surface of base 1, rigid coupling pushing handle 14 on the rear side wall of base 1, easily drives base 1 and removes, comparatively saves effort.

The spraying accessory 5 and the leveling accessory 6 are arranged on the base 1, the spraying accessory 5 and the leveling accessory 6 are arranged side by side, the spraying accessory 5 and the leveling accessory 6 are arranged at the front end of the base 1, the spraying accessory 5 and the leveling accessory 6 are closer to a wall surface with spraying, and spraying is easy to perform; the spray fitting 5 and leveling fitting 6 can be more compact and occupy less space.

The dissolving bin is arranged in the base 1, and the paint such as paint is filled in the dissolving bin. The spray fitting 5 comprises a spray pipe 55, the spray pipe 55 is provided with a plurality of spray heads, the spray pipe 55 is communicated with the dissolution bin, the spray heads are aligned with the wall surface, and the paint is sprayed from the spray heads to the wall surface. The leveling fitting 6 includes a blade 61, the blade 61 is in contact with the wall surface, and the wall surface is leveled by the blade 61.

According to the wall surface spraying device provided by the utility model, the spray pipe 55 and the scraping plate 61 are in close contact with the wall surface, the scraping plate 61 is used for leveling the wall surface before spraying, and the flatness of the wall surface is improved; and at the same time, the coating effect of the paint can be increased.

On the basis of the specific embodiment, the device further comprises a collecting box 3 arranged on the side wall of the base 1, wherein the collecting box 3 is positioned on one side close to the scraping plate 61;

the front side wall of the base 1 is provided with a dovetail groove 13, an insert block 31 is connected in the dovetail groove 13, and the front side wall of the insert block 31 is fixedly connected with the rear side wall of the collecting box 3.

In some embodiments, the collecting box 3 is installed on the front side wall of the base 1, the collecting box 3 is located on one side close to the scraping plate 61, the collecting box 3 is located below the scraping plate 61, scraped wall skins fall into the collecting box 3 to be collected uniformly, and accordingly the workload of cleaning the ground is reduced.

Optionally, two parallel dovetail grooves 13 are formed in the front side wall of the base 1, and the dovetail grooves 13 are vertical in the vertical direction. The bottom of the dovetail groove 13 is not communicated, and the dovetail insert block 31 is movably inserted into the dovetail groove 13. The front side wall of the insert 31 is fixedly connected with the rear side wall of the collecting box 3, thereby connecting the collecting box 3 with the base 1. When in connection, the collecting box 3 and the insert block 31 are inserted into the dovetail groove 13 from top to bottom, so that the connection is firm. When the collection box 3 needs to be taken down, the collection box 3 and the insert block 31 slide upwards to be taken down, and the connection and the disassembly are convenient.

Of course, the collecting box 3 and the base 1 can be detachably connected through bolts, so that the wall skin in the collecting box 3 can be cleaned conveniently.

In another more reliable embodiment, on the basis of any one of the above embodiments, the front end of the top surface of the base 1 is provided with a chute 12, and the bottom connecting components of the spraying accessory 5 and the leveling accessory 6 are installed in the chute 12 and are slidably connected with the chute 12.

In some embodiments, a through chute 12 is formed at the front end of the top surface of the base 1, and the chute 12 is longer. The bottom connecting components of the spraying accessory 5 and the leveling accessory 6 are arranged in the chute 12, and the bottom connecting components of the spraying accessory 5 and the leveling accessory 6 are in sliding connection with the chute 12, that is to say, the spraying accessory 5 and the leveling accessory 6 are moved within the length range of the chute 12 according to the spraying position under the condition that the base 1 is not moved, so that the spraying range is enlarged, and the spraying efficiency is improved.

On the basis of the above-mentioned embodiments, the top surface of the base 1 is fixedly provided with a driving component and a setting plate 22 at two ends of the chute 12, one end of the driving component is fixedly connected with a screw shaft 21, the other end of the screw shaft 21 is rotatably connected in the setting plate 22, and the lower connecting components of the spraying accessory 5 and the leveling accessory 6 are in threaded connection with the screw shaft 21, and the screw shaft 21 is in the horizontal direction.

In some embodiments, a driving component, specifically, a motor 2, is fixed on the top surface of the base 1 at one end of the chute 12, a mounting plate 22 is fixed on the top surface of the base 1 at the other end of the chute 12, a screw shaft 21 is connected between the motor 2 and the mounting plate 22, the screw shaft 21 is in the horizontal direction, and the axial direction of the screw shaft 21 is the same as the length direction of the chute 12. One end of the motor 2 is fixedly connected with a screw shaft 21, the other end of the screw shaft 21 is rotationally connected in the setting plate 22, and the motor 2 rotates to drive the screw shaft 21 to rotate. The lower connecting components of the spraying accessory 5 and the leveling accessory 6 are sleeved on the screw shaft 21 and are in threaded connection with the screw shaft 21.

The motor 2 is mounted on the base 1, the screw shaft 21 is rotated by the motor 2, the paint fitting 5 and the leveling fitting 6 are moved on the screw shaft 21, and the nozzle 55 and the scraper 61 can be moved. The spraying accessory 5 and the leveling accessory 6 realize mechanical driving, so that the labor intensity is reduced, and the working efficiency is improved.

On the basis of the above-described embodiments, the connection assembly includes a connection block 82 having a screw ring 83 and a slider 81 fixed to the bottom surface of the connection block 82, the slider 81 being coupled to the slide groove 12, the screw ring 83 being coupled to the screw shaft 21.

In some embodiments, the connection assembly comprises a connection block 82 and a sliding block 81, the connection block 82 is provided with a threaded ring 83, the threaded ring 83 is connected to the screw shaft 21, and the threaded movement is smooth.

The slider 81 is fixed in the bottom surface of connecting block 82, and the slider 81 is connected in spout 12, and slider 81 can follow spout 12 and remove, and both clearance fit not only guarantees to remove smoothly, can guarantee again that the cooperation is inseparable, reduces and rocks.

On the basis of the above-mentioned each concrete embodiment, the connecting assembly further includes an electric push rod 85 fixed on the top surface of the connecting block 82, the telescopic end of the electric push rod 85 is fixedly connected with the bottom surfaces of the supporting frames of the spraying accessory 5 and the leveling accessory 6 through a top plate 86, and the electric push rod 85 is along the vertical direction;

the outer periphery of the electric push rod 85 is provided with a protection frame 84, and the bottom surface of the protection frame 84 is fixedly connected with the top surface of the connecting block 82.

In some embodiments, the connection assembly further comprises an electric push rod 85, the electric push rod 85 is fixed on the top surface of the connection block 82, the upper end of the telescopic end of the electric push rod 85 is fixedly connected with the top plate 86, and the top surface of the top plate 86 is fixedly connected with the bottom surfaces of the spraying accessory 5 and the support frame of the leveling accessory 6, so that the connection is firm. The electric push rod 85 drives the spraying accessory 5 and the leveling accessory 6 to move up and down along the vertical direction through the electric push rod 85, so that the vertical spraying range is enlarged.

The protection frame 84 surrounds the outer periphery of the electric push rod 85, and the bottom surface of the protection frame 84 is fixedly connected with the top surface of the connecting block 82, so that the electric push rod 85 is protected through the protection frame 84.

In another more reliable embodiment, on the basis of any one of the above embodiments, the device further comprises a water pump arranged in the base 1, wherein a water absorbing end of the water pump is arranged in the dissolution bin, the other end of the water pump is fixedly connected with a rubber tube 4, and the other end of the rubber tube 4 is communicated with an inlet of the spray tube 55;

the rubber tube 4 has a margin in the base 1, and the margin length of the rubber tube 4 is longer than the entire length of the screw shaft 21.

In some specific embodiments, a water pump is arranged beside the dissolution bin in the base 1, one water absorbing end of the water pump is arranged in the dissolution bin, the other end of the water pump is fixedly connected with a rubber tube 4, the other end of the rubber tube 4 movably penetrates through the top wall of the base 1, the other end of the rubber tube 4 is communicated with the inlet of the spray tube 55, and the paint in the dissolution bin is transported to the spray tube 55 through the rubber tube 4 and the water pump.

The length of the rubber tube 4 is longer, and the base 1 has a surplus length, and the surplus length of the rubber tube 4 is larger than the whole length of the screw shaft 21, so that the rubber tube 4 is not affected by the movement of the spraying fitting 5 and the leveling fitting 6 to transport paint.

In another more reliable embodiment, on the basis of any one of the above embodiments, the spraying accessory 5 further includes a first telescopic cylinder 54 fixed in the inner groove 52 of the first support frame 51, a first side frame 56 connected to the telescopic end of the first telescopic cylinder 54 through a U-shaped pipe 53, two ends of the U-shaped pipe 53 fixedly penetrate through two ends of the side frame, the spray pipe 55 is in a vertical direction, two ends of the spray pipe 55 are respectively fixed at the upper end and the lower end of the U-shaped pipe 53, the inner groove 52 is opened on a side surface of the first support frame 51 facing the wall surface, and the first telescopic cylinder 54 is in a horizontal direction and perpendicular to the screw shaft 21.

In some embodiments, the spraying accessory 5 further includes a first telescopic cylinder 54 and a first side frame 56, the first telescopic cylinder 54 is fixed in the built-in groove 52 of the first support frame 51, and the built-in groove 52 is formed on the side surface of the first support frame 51 facing the wall surface, so that the structure is compact, and space is saved.

The first side frame 56 is connected with the telescopic end of the first telescopic cylinder 54 through the U-shaped pipe 53, two ends of the U-shaped pipe 53 fixedly penetrate through two ends of the side frame, the spray pipe 55 is in the vertical direction, two ends of the spray pipe 55 are respectively fixed at the upper end and the lower end of the U-shaped pipe 53, the spray pipe 55 is installed through the U-shaped pipe 53, and connection is convenient.

The first telescopic cylinder 54 is in the horizontal direction and perpendicular to the screw shaft 21, and the spray pipe 55 is driven to push forwards through the first telescopic cylinder 54, so that the spray pipe 55 can be in close contact with a wall surface, and the push rod is used for spraying.

On the basis of the above-mentioned embodiments, the leveling fitting 6 further comprises a second telescopic cylinder fixed in the groove of the second support frame 62, the scraper 61 is fixedly connected with the telescopic end of the second telescopic cylinder, the scraper 61 is parallel to the spray pipe 55, and the second telescopic cylinder is parallel to the first telescopic cylinder 54.

In some embodiments, the telescopic end of the second telescopic cylinder is fixedly connected with the scraping plate 61, and optionally, the scraping plate 61 is conical and sharp. The second telescopic cylinder can push the scraping plate 61 forward, so that the scraping plate 61 can be in close contact with the wall surface, and the wall surface can be leveled through the scraping plate 61.

On the basis of the above embodiments, the outer side wall of the second support frame 62 is fixedly connected with the side connecting plate 7, the blower 72 is fixedly installed in the rear side wall of the side connecting plate 7, the air outlet end of the blower 72 is movably fixedly connected with a plurality of air nozzles 71, and the air nozzles 71 fixedly penetrate through the front side wall of the side connecting plate 7.

In some embodiments, the outer side wall of the second support frame 62 is fixedly connected with the side board 7, the blower 72 is mounted on one side wall of the side board 7, the air outlet end of the blower 72 is movably fixedly connected with a plurality of air nozzles 71, and the air nozzles 71 are fixedly penetrated through the other side wall of the side board 7. When the scraping plate 61 is leveled, a certain amount of wall skin which does not fall off remains on the wall surface, and the wall skin can be blown onto the wall surface through the air tap 71 by the air blower 72 during the blowing process, and falls into the collecting box 3.

To sum up, the wall surface is leveled by the scraper 61, when the scraper 61 is leveled, a certain amount of non-dropped wall surface remains on the wall surface, the wall surface can be blown on the wall surface by the air tap 71 through the air generated by the air blower 72, the wall surface drops into the collecting box 3 in the blowing process, and the spray pipe 55 can spray the paint on the wall surface. The spraying accessory 5 and the leveling accessory 6 are transversely moved, the scraping plate 61 is driven by the second telescopic cylinder to be far away from the wall surface, at the moment, the leveling device moves, air generated by the blower 72 is blown onto the wall surface after spraying is finished by the air nozzle 71, and drying of the spraying material is accelerated; simultaneously carry out electric putter 85's joining in support frame bottom, can make the support frame rise, and then improve the spraying scope of wall, improve the practicality of device.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The wall surface spraying device provided by the utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a wall spraying device, its characterized in that, including base (1) that the bottom has gyro wheel (11), set up in the inside dissolving bin of base (1), install in spraying accessory (5) and the accessory (6) of making level on base (1), spraying accessory (5) and accessory (6) of making level set up side by side and set up in the front end of base (1), spraying accessory (5) are including spray tube (55) that have a plurality of shower nozzles, spray tube (55) with dissolve bin intercommunication, accessory (6) of making level include scraper blade (61).

2. The wall painting device according to claim 1, characterized by further comprising a collecting box (3) mounted on the front side wall of the base (1), the collecting box (3) being located on the side close to the scraper (61);

the front side wall of the base (1) is provided with a dovetail groove (13), an inserting block (31) is connected in the dovetail groove (13), and the front side wall of the inserting block (31) is fixedly connected with the rear side wall of the collecting box (3).

3. The wall surface spraying device according to claim 1, wherein a chute (12) is formed in the front end of the top surface of the base (1), and the bottom connecting assembly of the spraying accessory (5) and the leveling accessory (6) is installed in the chute (12) and is in sliding connection with the chute (12).

4. A wall surface spraying device according to claim 3, characterized in that the top surface of the base (1) is fixedly provided with a driving part and a placement plate (22) at two ends of the chute (12), one end of the driving part is fixedly connected with a screw shaft (21), the other end of the screw shaft (21) is rotationally connected in the placement plate (22), the lower connecting component of the spraying accessory (5) and the leveling accessory (6) is in threaded connection with the screw shaft (21), and the screw shaft (21) is in a horizontal direction.

5. The wall surface spraying device according to claim 4, characterized in that the connecting assembly comprises a connecting block (82) with a threaded ring (83) and a sliding block (81) fixed on the bottom surface of the connecting block (82), the sliding block (81) is connected in a sliding groove (12), and the threaded ring (83) is connected to the screw shaft (21).

6. The wall surface spraying device according to claim 5, wherein the connecting assembly further comprises an electric push rod (85) fixed on the top surface of the connecting block (82), a telescopic end of the electric push rod (85) is fixedly connected with the spraying accessory (5) and the bottom surface of the supporting frame of the leveling accessory (6) through a top plate (86), and the electric push rod (85) is in the vertical direction;

the periphery of electric putter (85) is provided with protection frame (84), the bottom surface rigid coupling of protection frame (84) the top surface of connecting block (82).

7. The wall surface spraying device according to claim 4, further comprising a water pump arranged in the base (1), wherein the water absorbing end of the water pump is arranged in the dissolution bin, the other end of the water pump is fixedly connected with a rubber tube (4), and the other end of the rubber tube (4) is communicated with the inlet of the spray tube (55);

the rubber tube (4) has a surplus in the base (1), and the surplus length of the rubber tube (4) is larger than the whole length of the screw shaft (21).

8. The wall surface spraying device according to any one of claims 4 to 7, wherein the spraying accessory (5) further comprises a first telescopic cylinder (54) fixed in a built-in groove (52) of the first supporting frame (51), and a first side frame (56) connected with a telescopic end of the first telescopic cylinder (54) through a U-shaped pipe (53), two ends of the U-shaped pipe (53) are fixedly penetrated through two ends of the side frame, the spray pipe (55) is in a vertical direction, two ends of the spray pipe (55) are respectively fixed at the upper end and the lower end of the U-shaped pipe (53), the built-in groove (52) is formed in a side surface, facing the wall surface, of the first supporting frame (51), and the first telescopic cylinder (54) is in a horizontal direction and perpendicular to the screw shaft (21).

9. The wall surface spraying device according to claim 8, wherein the leveling fitting (6) further comprises a second telescopic cylinder fixed in a groove of a second support frame (62), the scraper (61) is fixedly connected with a telescopic end of the second telescopic cylinder, the scraper (61) is parallel to the spray pipe (55), and the second telescopic cylinder is parallel to the first telescopic cylinder (54).

10. The wall spraying device according to claim 9, wherein an edge connection plate (7) is fixedly connected to the outer side wall of the second support frame (62), a blower (72) is fixedly installed in the rear side wall of the edge connection plate (7), a plurality of air nozzles (71) are movably fixedly connected to the air outlet end of the blower (72), and the air nozzles (71) fixedly penetrate through the front side wall of the edge connection plate (7).