A real stone paint spraying gun with cleaning function

Abstract

The utility model relates to spray gun technical field especially has a kind of cleaning function's real stone paint spray gun, including operating handle subassembly, operating handle subassembly rear end is fixed with material passing subassembly through sleeve joint barrel subassembly, material passing subassembly outside is fixedly connected with positioning support, positioning support lower end is fixedly connected with handle cleaning subassembly, material passing subassembly rear end is installed with spray nozzle subassembly, material passing subassembly includes material passing gun pipe, material passing gun pipe front end is fixedly connected with expansion barrel, expansion barrel front end is penetrated and is equipped with guide hole, expansion barrel front end and rear end are fixedly connected with rubber sealing ring, the outside of material passing gun pipe rear end is equipped with fourth thread, spray nozzle subassembly includes spray nozzle, and spray nozzle inside is equipped with spray hole, in the utility model, the real stone paint spray gun cleaning device can split spray head and gun body, completely remove stubborn residue in the wall, avoid blockage and component wear and tear, improve cleaning effect, shorten time length, guarantee subsequent spraying quality, prolong equipment service life.

Description

Technical Field

[0001] This utility model relates to the field of spray gun technology, specifically to a real stone paint spray gun with a cleaning function. Background Technology

[0002] A stone paint spray gun is a specialized coating tool for applying stone paint. Powered by compressed air or a high-pressure pump, it atomizes granular stone paint and sprays it onto the surface of substrates such as walls, quickly forming a coating with the texture of natural stone. Its core advantage lies in its ability to precisely control the amount of paint sprayed, the atomization effect, and the spraying distance, ensuring uniform coating thickness and regular particle distribution, while also improving construction efficiency and reducing paint waste. It is suitable for various scenarios such as indoor and outdoor walls and columns to meet the needs of stone-like decoration. After use, the real stone paint spray gun must be cleaned in time. Because real stone paint contains granular fillers, residual paint will dry and solidify at the nozzle, gun body channel and valve, clogging the outlet and preventing normal spraying next time. It will also affect the atomization effect of the paint, resulting in uneven coating thickness and messy particle distribution. At the same time, the dried paint will wear down the precision parts inside the gun and shorten the service life of the equipment. The actual cleaning process of stone paint spray guns presents significant inconveniences. The core problem stems from their own structural design and the characteristics of key components. The outlet diameter of this type of spray gun is usually set to be relatively small. Although this design can meet the needs of spraying operations, it brings trouble to the cleaning process. Due to the narrow outlet, the solid particles of stone paint remaining on the inner wall after spraying are difficult to completely remove by conventional methods. These stubborn residual particles not only prolong the cleaning time, but also directly affect the subsequent cleaning effect, and may even have a potential impact on the quality of the next spraying operation. Therefore, a stone paint spray gun with a cleaning function is proposed to address the above problems. Utility Model Content

[0003] The purpose of this invention is to provide a real stone paint spray gun with a cleaning function to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: A stone paint spray gun with a cleaning function includes an operating handle assembly. The rear end of the operating handle assembly is fixed to a material feeding assembly via a sleeve assembly. A positioning bracket is fixedly connected to the outside of the material feeding assembly. A handle cleaning assembly is fixedly connected to the lower end of the positioning bracket. A nozzle assembly is installed at the rear end of the material feeding assembly. The material feeding assembly includes a material feeding gun barrel. An extension cylinder is fixedly connected to the front end of the material feeding gun barrel. A guide hole is opened through the front end of the extension cylinder. Rubber sealing rings are fixedly connected to both the front and rear ends of the extension cylinder. A fourth thread is opened on the outside of the rear end of the material feeding gun barrel. The nozzle assembly includes a nozzle. A spray hole is opened on the inside of the nozzle. A connecting post is fixedly connected to the front end of the nozzle. A screw cylinder is fixedly connected to the front end of the connecting post. A fifth thread is opened on the inside of the screw cylinder.

[0005] As a further optimization of this utility model, the operating handle assembly includes a control handle, the rear end of which has a first thread, and the rear end of which is fixedly connected to a guide post. The outer side of the first thread can be fixed to a second thread opened on the inner side of the cylinder.

[0006] As a further optimization of this utility model, the guide post can be inserted into the interior of the guide hole, and the rear end of the control handle can be sealed to the front end of the expansion cylinder through a rubber sealing ring.

[0007] As a further optimization of this utility model, a crimping ring is fixedly connected to the fixed cylinder near the rear end. The inner side of the crimping ring is a hollow structure. The fixed cylinder and the crimping ring are sleeved on the outside of the feed gun barrel. The crimping ring is located at the rear end of the expansion cylinder.

[0008] As a further optimization of this utility model, the positioning bracket is fixedly connected to the outer side of the feed gun barrel, and the positioning bracket is fixedly connected to the outer side of the handle near its lower end.

[0009] As a further optimization of this utility model, the handle has a storage groove on its inner side, the lower end of the storage groove has a thread, a guide rod for cleaning the feed gun barrel is inserted into the inner side of the storage groove, the guide rod has a third thread near its lower end, the guide rod is screwed to the thread of the storage groove through the third thread, and a top post for cleaning the spray hole is fixedly connected to the top of the guide rod.

[0010] As a further optimization of this utility model, the nozzle is fixedly connected to a protective cover, the screw barrel is installed on the outside of the feed gun tube through the fifth thread, and the front end of the nozzle can be pressed against the rubber sealing ring fixed at the rear end of the feed gun tube.

[0011] Compared with the prior art, the beneficial effects of this utility model are: In this invention, the cleaning device for a stone paint spray gun, through the inclusion of a handle cleaning assembly, a material feeding assembly, and a nozzle assembly, can separate the nozzle and gun body into multiple sections, creating a gap between the nozzle and the gun pipe. This allows for the thorough scraping of stubborn stone paint residue from the inner walls of the gun pipe and nozzle, effectively preventing the residual paint from drying and clogging the outlet and causing wear on precision components inside the gun. This not only improves the cleaning effect and shortens the cleaning time but also ensures the atomization effect of the paint in subsequent spraying operations, ensuring uniform coating thickness and regular particle distribution. Furthermore, it extends the service life of the spray gun and maintains stable equipment performance. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is an exploded structural diagram of the entire utility model; Figure 3 A schematic diagram of the component structure is provided for the operation of this utility model; Figure 4 This is a cross-sectional structural diagram of the sleeve assembly of this utility model; Figure 5 This is a schematic diagram showing the disassembled structure of the handle cleaning component of this utility model; Figure 6 This is a cross-sectional structural diagram of the material feeding assembly of this utility model; Figure 7 This utility model Figure 6 A schematic diagram of the structure at point A; Figure 8 This is a cross-sectional structural diagram of the nozzle assembly of this utility model.

[0013] In the diagram: 1. Operating handle assembly; 11. Control handle; 12. First thread; 13. Guide post; 2. Sleeve assembly; 21. Fixed sleeve; 22. Second thread; 23. Crimping ring; 3. Positioning bracket; 4. Handle cleaning assembly; 41. Handle handle; 42. Storage slot; 43. Guide rod; 44. Top post; 45. Third thread; 5. Feeding assembly; 51. Feeding gun barrel; 52. Expansion tube; 53. Guide hole; 54. Rubber sealing ring; 55. Fourth thread; 6. Nozzle assembly; 61. Nozzle; 62. Spray hole; 63. Protective cover; 64. Connecting post; 65. Screw barrel; 66. Fifth thread. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0016] Please see Figures 1-8 This utility model provides a technical solution: A real stone paint spray gun with cleaning function includes an operating handle assembly 1. The rear end of the operating handle assembly 1 is fixed to a material feeding assembly 5 via a sleeve assembly 2. A positioning bracket 3 is fixedly connected to the outside of the material feeding assembly 5. A handle cleaning assembly 4 is fixedly connected to the lower end of the positioning bracket 3. A nozzle assembly 6 is installed at the rear end of the material feeding assembly 5. The material feeding assembly 5 includes a material feeding gun barrel 51. An extension tube 52 is fixedly connected to the front end of the material feeding gun barrel 51. A guide hole 53 is opened through the front end of the extension tube 52. Rubber sealing rings 54 are fixedly connected to both the front and rear ends of the extension tube 52. A fourth thread 55 is opened on the outside of the rear end of the material feeding gun barrel 51. The nozzle assembly 6 includes a nozzle 61. A spray hole 62 is opened on the inside of the nozzle 61. A connecting post 64 is fixedly connected to the front end of the nozzle 61. A screw barrel 65 is fixedly connected to the front end of the connecting post 64. A fifth thread 66 is opened on the inside of the screw barrel 65.

[0017] As a further implementation of this solution, the operating handle assembly 1 includes a control handle 11. The control handle 11 has a first thread 12 at its rear end. A guide post 13 is fixedly connected to the rear end of the control handle 11. The outer side of the first thread 12 can be threadedly connected to the second thread 22 opened on the inner side of the fixed cylinder 21. Through the above settings, this structure makes the assembly and disassembly of the control handle 11 and the fixed cylinder 21 convenient and efficient, providing a basis for subsequent disassembly and cleaning of the gun body. At the same time, the stability of the threaded connection can prevent the connection from loosening due to vibration during spraying, ensuring stable spraying pressure. As a further implementation of this solution, the guide post 13 can be inserted into the guide hole 53, and the rear end of the control handle 11 can be sealed to the front end of the expansion tube 52 through the rubber sealing ring 54. With the above settings, the plug-in design facilitates the assembly and guidance of the fixed tube 21 and the control handle 11. The sealing effect of the rubber sealing ring 54 can prevent the real stone paint from leaking during spraying, and after disassembly, the connection between the expansion tube 52 and the control handle 11 can be directly exposed, allowing residual paint to be cleaned without dead corners, and avoiding the drying of residual paint at the sealing point, which may cause subsequent sealing failure. As a further implementation of this solution, a crimping ring 23 is fixedly connected to the fixed cylinder 21 near the rear end. The inner side of the crimping ring 23 is hollow. The fixed cylinder 21 and the crimping ring 23 are sleeved on the outside of the feed gun tube 51. The crimping ring 23 is located at the rear end of the expansion cylinder 52. Through the above arrangement, the crimping ring 23 achieves tight fixation between the control handle 11 and the feed gun tube 51 by squeezing the expansion cylinder 52. The hollow structure does not obstruct the delivery of the real stone paint, and the fixation can be released by simply rotating the fixed cylinder 21 during disassembly. No complicated operation is required, which shortens the cleaning preparation time and avoids the fixed structure from obstructing the cleaning path. As a further implementation of this solution, the inner side of the positioning bracket 3 is fixedly connected to the outer side of the feed gun barrel 51, and the position of the positioning bracket 3 near the lower end is fixedly connected to the outer side of the handle 41. Through the above settings, the connection structure provides stable support for the cleaning component handle 41, and the handle 41 can be used as a handle to facilitate the painting operation. As a further implementation of this solution, a storage groove 42 is provided on the inner side of the handle 41. The lower end of the storage groove 42 is threaded, and a guide rod 43 for cleaning the feed gun barrel 51 is inserted into the inner side of the storage groove 42. A third thread 45 is provided near the lower end of the guide rod 43. The guide rod 43 is screwed to the thread of the storage groove 42 through the third thread 45. A top post 44 for cleaning the nozzle 62 is fixedly connected to the top of the guide rod 43. With the above settings, the guide rod 43 and the top post 44 can be stored when cleaning is not required to prevent loss. At the same time, the connection between the handle 41 and the guide rod 43 allows the guide rod 43 to be removed, which is convenient for the guide rod 43 and the top post 44 to be used for cleaning later. The top post 44 can accurately extend into the nozzle 62 to scrape away stubborn residues, and the guide rod 43 can thoroughly clean the inner wall of the feed gun barrel 51. The two work together to achieve full coverage cleaning of the gun body channel and the nozzle, and completely solve the problem of difficult-to-remove residues in narrow channels. As a further implementation of this solution, a protective cover 63 is fixedly connected to the outside of the nozzle 61. The screw barrel 65 is spirally installed on the outside of the feed gun barrel 51, which is opened on the fourth thread 55, through the fifth thread 66. The front end of the nozzle 61 can be pressed against the rubber sealing ring 54 fixed at the rear end of the feed gun barrel 51. Through the above settings, the spiral installation facilitates the quick separation of the nozzle 61 and the feed gun barrel 51. The gap formed after separation allows residual paint generated during cleaning to fall off smoothly, avoiding accumulation and secondary pollution. At the same time, the pressing and sealing of the rubber sealing ring 54 can ensure the sealing during spraying. After separation, the connection surface between the rear end of the feed gun barrel 51 and the nozzle 61 can be exposed, ensuring that the residue in this part is completely removed.

[0018] Workflow: During installation, connect component 1 to the delivery pipe for real stone paint spraying, align guide post 13 with guide hole 53 and insert it until the rear end of control handle 11 is in contact with the front end of rubber sealing ring 54. Then push the fixing cylinder 21, which is fitted on the outside of the feed gun barrel 51, forward. When the second thread 22 contacts the outside of the first thread 12, rotate the fixing cylinder 21. The spiral installation will cause the fixing cylinder 21 and the crimping ring 23 to move forward until the crimping ring 23 presses against the rear end of the expansion cylinder 52, thus tightly fixing control handle 11 and feed gun barrel 51. The rubber sealing ring 54 at the front end seals the expansion cylinder 52 and control handle 11. Then, fit the fifth thread 66 of the screw cylinder 65 onto the rear end of control handle 11, so that the fifth thread 66 contacts the fourth thread 55. Then, rotate the nozzle 61 to move the nozzle 61 forward until the front end of the nozzle 61 presses against the rubber sealing ring 54 at the rear end, thereby completing the assembly between the nozzle 61 and the feed gun barrel 51. When in use, the existing handle on the control handle 11 controls the switch of the internal channel of the control handle 11. The pump body of the high-pressure sprayer pressurizes the real stone paint to enter the inside of the control handle 11 through the delivery pipe, and then enters the spray hole 62 through the inside of the material gun tube 51, thereby being sprayed out. During cleaning, by rotating the lower end of the guide rod 43, the third thread 45 and the receiving groove 42 are disengaged. Then, the guide rod 43 and the top column 44 are pulled out from the inside of the handle 41. The fixed cylinder 21 is rotated to disengage the second thread 22 from the fourth thread 55. At this time, the control handle 11 can be separated from the feed gun barrel 51. Rotating the nozzle 61 drives the connecting column 64 and the screw barrel 65 to move backward until there is a gap of one centimeter between the nozzle 61 and the feed gun barrel 51. At this time, the top column 44 and the guide rod 43 are inserted into the inside of the feed gun barrel 51 until they are disengaged from the rear end of the feed gun barrel 51. At this time, the real stone paint scraped off falls from the gap between the connecting columns 64 and the gap between the nozzle 61 and the feed gun barrel 51. At the same time, the top column 44 enters the inside of the spray hole 62 and scrapes off the real stone paint on the inner wall of the spray hole 62 through the top column 44, thereby completing the cleaning. Based on the above principles, when cleaning the inner wall of the stone paint spray gun, the device can separate the nozzle and the stone paint spray gun into multiple sections, leaving a certain distance between the nozzle and the gun pipe. This allows for the cleaning of the stone paint and nozzle on the hard-to-clean inner wall of the gun pipe. No stone paint residue will remain after cleaning, improving the cleaning effect, reducing cleaning time, and ensuring the quality of the next spraying operation.

[0019] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A stone paint spray gun with a cleaning function, comprising an operating handle assembly (1), characterized in that: The operation fixes the rear end of component (1) to the feed assembly (5) via the sleeve assembly (2). The feed assembly (5) is fixedly connected to the outside of the positioning bracket (3). The lower end of the positioning bracket (3) is fixedly connected to the handle cleaning assembly (4). The rear end of the feed assembly (5) is equipped with a nozzle assembly (6). The feeding assembly (5) includes a feeding gun barrel (51), an extension cylinder (52) is fixedly connected to the front end of the feeding gun barrel (51), a guide hole (53) is opened through the front end of the extension cylinder (52), a rubber sealing ring (54) is fixedly connected to the front end and the rear end of the extension cylinder (52), and a fourth thread (55) is opened on the outer side of the rear end of the feeding gun barrel (51). The nozzle assembly (6) includes a nozzle (61), a spray hole (62) is provided on the inner side of the nozzle (61), a connecting post (64) is fixedly connected to the front end of the nozzle (61), a screw cylinder (65) is fixedly connected to the front end of the connecting post (64), and a fifth thread (66) is provided on the inner side of the screw cylinder (65).

2. The stone paint spray gun with cleaning function according to claim 1, characterized in that: The operating assembly (1) includes a control handle (11), the rear end of which is provided with a first thread (12), and a guide post (13) is fixedly connected to the rear end of the control handle (11). The outer side of the first thread (12) can be threadedly connected to the second thread (22) opened on the inner side of the fixed cylinder (21).

3. A real stone paint spray gun with cleaning function according to claim 2, characterized in that: The guide post (13) can be inserted into the interior of the guide hole (53), and the rear end of the control handle (11) can be sealed to the front end of the expansion tube (52) through the rubber sealing ring (54).

4. A real stone paint spray gun with cleaning function according to claim 2, characterized in that: A crimping ring (23) is fixedly connected to the fixed cylinder (21) near the rear end. The inner side of the crimping ring (23) is hollow. The fixed cylinder (21) and the crimping ring (23) are sleeved on the outside of the feed gun tube (51). The crimping ring (23) is located at the rear end of the expansion cylinder (52).

5. A real stone paint spray gun with cleaning function according to claim 1, characterized in that: The positioning bracket (3) is fixedly connected to the outside of the feed gun barrel (51) on the inside, and the positioning bracket (3) is fixedly connected to the outside of the handle (41) near the lower end.

6. A real stone paint spray gun with cleaning function according to claim 5, characterized in that: The handle (41) has a storage groove (42) on its inner side. The lower end of the storage groove (42) has a thread. A guide rod (43) for cleaning the feed gun barrel (51) is inserted into the inner side of the storage groove (42). A third thread (45) is provided near the lower end of the guide rod (43). The guide rod (43) is screwed to the thread of the storage groove (42) through the third thread (45). A top post (44) for cleaning the nozzle (62) is fixedly connected to the top of the guide rod (43).

7. A real stone paint spray gun with cleaning function according to claim 1, characterized in that: A protective cover (63) is fixedly connected to the outside of the nozzle (61). The screw barrel (65) is spirally installed on the outside of the feed gun tube (51) through the fifth thread (66) on the fourth thread (55). The front end of the nozzle (61) can be pressed against the rubber sealing ring (54) fixed at the rear end of the feed gun tube (51).

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