Spray gun cleaning device
By introducing a cleaning roller and annular spray element into the spray gun cleaning device, combined with a spray pipe and solvent control valve, multi-mode cleaning of the spray gun is realized, solving the problem of poor cleaning effect in the prior art and significantly improving the cleaning effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN HUAZHONGYUAN TECH CO LTD
- Filing Date
- 2025-04-24
- Publication Date
- 2026-04-28
AI Technical Summary
Existing spray gun cleaning devices have a single cleaning mode and poor cleaning effect.
Design a spray gun cleaning device, comprising a cleaning tank, a cleaning roller, a drive mechanism, an annular spray element, a spray pipe, and a solvent control valve. The spray gun is cleaned by brushing with the cleaning roller and rinsing from multiple angles with the annular spray element, combined with the spraying of solvent.
It enables multi-mode cleaning of the spray gun, significantly improving the cleaning effect.
Smart Images

Figure CN224168135U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of spray gun cleaning equipment, and in particular to a spray gun cleaning device. Background Technology
[0002] Spray guns generally need to be cleaned after a certain period of use to remove dirt, residue, or paint from the surface of the nozzle. Existing spray gun cleaning devices typically only have a spray mechanism to spray and clean the nozzle, resulting in a single cleaning mode and poor cleaning effect.
[0003] Therefore, there is a need to provide a spray gun cleaning device to solve the above-mentioned technical problems. Utility Model Content
[0004] This invention provides a spray gun cleaning device to solve the problems of limited cleaning modes and poor cleaning effect in existing spray gun cleaning devices.
[0005] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows: a spray gun cleaning device, which includes: a cleaning tank, a cleaning roller, a drive mechanism, an annular spraying component, a spray pipe, a solvent conduit, and a solvent control valve. The solvent control valve includes an input port, a first output port, and a second output port. The cleaning tank is provided with an installation chamber and a cleaning chamber.
[0006] The drive mechanism and the solvent control valve are fixedly installed in the mounting cavity. The cleaning roller is rotatably installed in the cleaning cavity. The cleaning roller is connected to the output end of the drive mechanism. The spray pipe is fixedly installed in the cleaning cavity. The spray pipe is connected to the first output port. The spray pipe is parallel to the rotation axis of the cleaning roller. The spray pipe has a plurality of first spray holes on the side near the cleaning roller.
[0007] The annular spray element is fixedly disposed in the cleaning chamber. The annular spray element is connected to the second output port through the solvent conduit. The inner side of the annular spray element is provided with a plurality of second spray holes.
[0008] The cleaning tank has a first opening on one side corresponding to the position of the cleaning roller, and a second opening on one side corresponding to the position of the annular spray element.
[0009] In this utility model, the annular spraying component includes an inner lower frame base and an upper frame cover plate. The middle of the lower frame base and the upper frame cover plate are both through-connected. An annular guide groove is provided between the lower frame base and the upper frame cover plate. A plurality of second spray holes are connected to the annular guide groove. A connecting hole is provided on one side of the lower frame base and is connected to the annular guide groove. The solvent conduit is connected to the connecting hole.
[0010] The upper frame cover plate has an annular surface inclined towards the area above the second opening on its inner side. A plurality of second spray holes are disposed on the annular surface and are distributed in a ring along the circumference of the annular surface.
[0011] Optionally, the plurality of second nozzles are all oriented toward the same point on the axial center line of the annular setting surface.
[0012] Optionally, the multiple second nozzles are all oriented toward different points on the axial center line of the annular setting surface.
[0013] In this invention, a drain hopper is provided at the bottom of the cleaning chamber, and the drain hopper has a drain outlet at its bottom. The circumference of the inner contour of the drain hopper near the drain outlet is smaller than the circumference of the inner contour away from the drain outlet.
[0014] In this invention, the circumferential surface of the cleaning roller is provided with bristles made of nylon.
[0015] In this invention, the driving mechanism is a pneumatic motor, the air pipe passes through the cleaning tank and connects the pneumatic motor to an external air compressor, and the solvent delivery pipe passes through the cleaning tank and connects the solvent control valve to an external solvent pump.
[0016] In this utility model, a partition plate is fixedly installed inside the cleaning tank, which separates the mounting cavity and the cleaning cavity. An mounting plate is fixedly installed inside the cleaning cavity. The cleaning roller is rotatably disposed between the partition plate and the mounting plate. The annular spraying element is fixedly disposed between the mounting plate and the inner wall of the cleaning tank.
[0017] In this utility model, the cleaning box includes a main body and a lid. The lid is encapsulated on one side of the main body. One side of the lid is rotatably connected to the main body. The other side of the lid is detachably connected to the main body via a latch. The first opening and the second opening are provided on the lid. Z-shaped connecting plates for fixed installation are provided at both ends of one side of the main body.
[0018] Compared with the prior art, the advantages of this utility model are as follows: The spray gun cleaning device of this utility model has a cleaning roller and an annular spraying component set in the cleaning chamber. The cleaning roller can work with the solvent sprayed from the spray pipe to brush the spray gun, and the annular spraying component can rinse the circumference of the spray gun from multiple angles, which has two different cleaning modes and good cleaning effect. Attached Figure Description
[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments are briefly introduced below. The drawings described below are only the corresponding drawings of some embodiments of this utility model.
[0020] Figure 1 This is a schematic diagram of a preferred embodiment of the spray gun cleaning device of this utility model.
[0021] Figure 2 This is a schematic diagram of the internal structure of the spray gun cleaning device of this utility model.
[0022] Figure 3 This is a schematic diagram of the annular spray component of the spray gun cleaning device of this utility model.
[0023] Figure 4 This is a structural schematic diagram of the spray gun cleaning device of this utility model from another perspective. Detailed Implementation
[0024] 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 skilled in the art without creative effort are within the protection scope of the present utility model.
[0025] The directional terms mentioned in this utility model, such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", "top" and "bottom", are only for reference to the orientation of the accompanying drawings. The directional terms used are for the purpose of explaining and understanding this utility model, and are not intended to limit this utility model.
[0026] The terms "first" and "second" in this utility model are used for descriptive purposes only and should not be construed as indicating or implying relative importance, nor as a restriction on the order of events.
[0027] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, a connection can be a detachable connection or a connection of an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0028] Existing spray gun cleaning devices have a single cleaning mode and poor cleaning effect.
[0029] The following is a preferred embodiment of a spray gun cleaning device provided by this utility model that can solve the above-mentioned technical problems.
[0030] Please refer to Figure 1 and Figure 2 In the diagram, units with similar structures are represented by the same labels.
[0031] This embodiment provides a spray gun cleaning device, which includes: a cleaning tank 11, a cleaning roller 12, a drive mechanism 14, an annular spray element 13, a spray pipe 16, a solvent conduit 17, and a solvent control valve 15. The solvent control valve 15 includes an inlet, a first outlet, and a second outlet. The cleaning tank 11 is provided with a mounting cavity 1191 and a cleaning cavity 1192 separated.
[0032] In this embodiment, the drive mechanism 14 and the solvent control valve 15 are fixedly installed in the mounting cavity 1191, the cleaning roller 12 is rotatably installed in the cleaning cavity 1192, the cleaning roller 12 is connected to the output end of the drive mechanism 14, and the spray pipe 16 is fixedly installed in the cleaning cavity 1192. The spray pipe 16 is connected to the first output port and is parallel to the rotation axis of the cleaning roller 12. Multiple first spray holes 161 for spraying solvent are provided on the side of the spray pipe 16 near the cleaning roller 12. While the cleaning roller 12 cleans the spray gun, the spray pipe 16 sprays solvent onto both the spray gun and the cleaning roller 12, achieving a better cleaning effect.
[0033] In addition, the annular spray nozzle 13 is fixedly installed inside the cleaning chamber 1192. The annular spray nozzle 13 is connected to the second output port through the solvent conduit 17. The inner surface of the annular spray nozzle 13 is provided with multiple second spray holes 1322 for spraying solvent. The multiple second spray holes 1322 can rinse the circumference of the brushed spray gun from multiple angles. By cleaning the spray gun in two different modes, a good cleaning effect can be obtained.
[0034] In this embodiment, a first opening 116 is provided on one side of the cleaning tank 11 corresponding to the position of the cleaning roller 12, and a second opening 117 is provided on the position corresponding to the position of the annular spray member 13. The spray gun moves to the first opening 116 to be brushed by the cleaning roller 12, and moves to the second opening 117 to be rinsed by the annular spray member 13.
[0035] Please refer to Figure 3In this embodiment, the annular spray component 13 includes an internal lower frame base 131 and an upper frame cover plate 132, both of which are through-type components. An annular guide groove 133 is provided between the lower frame base 131 and the upper frame cover plate 132. Multiple second spray holes 1322 communicate with the annular guide groove 133. A connecting hole 1311 communicating with the annular guide groove 133 is provided on one side of the lower frame base 131, and a solvent conduit 17 is connected to the connecting hole 1311. The solvent control valve 15 delivers solvent into the annular guide groove 133 through the solvent conduit 17 and sprays it through the multiple second spray holes 1322.
[0036] The upper frame cover plate 132 has an annular surface 1321 on its inner side that is inclined toward the area above the second opening 117. A plurality of second nozzles 1322 are disposed on the annular surface 1321 and are distributed in a ring along the circumference of the annular surface 1321.
[0037] Optionally, the multiple second nozzles 1322 are all oriented towards the same point on the axial center line of the annular setting surface 1321, so that the multiple second nozzles 1322 concentrate on spraying and rinsing the set position of the spray gun. The spray gun moves up and down relative to the second opening 117, so that the multiple second nozzles 1322 can concentrate on spraying and rinsing different positions of the spray gun.
[0038] Optionally, the multiple second nozzles 1322 are all oriented toward different points on the axial center line of the annular setting surface 1321, so that the multiple second nozzles 1322 can spray and wash a large area on the spray gun.
[0039] Please refer to Figure 4 In this embodiment, a drain hopper 118 is provided at the bottom of the cleaning chamber 1192, with a drain outlet 1181 at the bottom of the drain hopper 118. The circumference of the inner contour of the drain hopper 118 near the drain outlet 1181 is smaller than the circumference of the inner contour away from the drain outlet 1181. For example, the drain hopper 118 can be a frustum-shaped structure or a frustum-shaped structure. The liquid sprayed by the annular spray member 13 and the spray pipe 16 after spraying the cleaning spray gun can be discharged through the drain outlet 1181.
[0040] Please refer to Figure 2 In this embodiment, the circumferential surface of the cleaning roller 12 is provided with nylon bristles, which are not easy to damage the spray gun, while also providing a good cleaning effect on the spray gun.
[0041] In this embodiment, the drive mechanism 14 is a pneumatic motor, the air pipe passes through the cleaning tank 11 and connects the pneumatic motor and an external air compressor, and the solvent delivery pipe passes through the cleaning tank 11 and connects the solvent control valve 15 and an external solvent pump.
[0042] In this embodiment, a partition plate 18 is fixedly installed inside the cleaning tank 11, which divides the tank into an installation cavity 1191 and a cleaning cavity 1192. An installation plate 19 is fixedly installed inside the cleaning cavity 1192. A cleaning roller 12 is rotatably installed between the partition plate 18 and the installation plate 19. An annular spraying element 13 is fixedly installed between the installation plate 19 and the inner wall of the cleaning tank 11.
[0043] In this embodiment, the cleaning tank 11 includes a main body 111 and a lid 112. The lid 112 is sealed to one side of the main body 111. One side of the lid 112 is rotatably connected to the main body 111 via a hinge structure 115, and the other side of the lid 112 is detachably connected to the main body 111 via a latch 114. Thus, after unlocking the latch 114, the lid 112 can be flipped open to allow for cleaning, component replacement, or maintenance of the interior of the cleaning tank 11.
[0044] The first opening 116 and the second opening 117 are provided on the cover 112. Z-shaped connecting plates 113 are provided at both ends of one side of the main body 111. The connecting plates 113 can be used to fix the cleaning box 11 to the corresponding frame.
[0045] When using the spray gun cleaning device of this embodiment, the spray gun can first be moved to the first opening 116, where it contacts the cleaning roller 12. The cleaning roller 12 cleans the spray gun, while the spray pipe 16 sprays solvent onto both the spray gun and the cleaning roller 12. After cleaning, the spray gun moves to the second opening 117, where multiple second spray holes 1322 can rinse the circumference of the cleaned spray gun from multiple angles. The liquid from the annular spray element 13 and the spray pipe 16 after cleaning the spray gun can be discharged through the drain port 1181.
[0046] This completes the cleaning process of the spray gun by the spray gun cleaning device of this preferred embodiment.
[0047] The spray gun cleaning device of this preferred embodiment has a cleaning roller and an annular spray nozzle installed in the cleaning chamber. The cleaning roller can work with the solvent sprayed from the spray pipe to brush the spray gun, and the annular spray nozzle can rinse the circumference of the spray gun from multiple angles, which has two different cleaning modes and good cleaning effect.
[0048] In summary, although the present invention has been disclosed above with reference to preferred embodiments, the above preferred embodiments are not intended to limit the present invention. Those skilled in the art can make various modifications and refinements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be determined by the scope defined in the claims.
Claims
1. A spray gun cleaning device, characterized in that, include: The cleaning chamber includes a cleaning roller, a drive mechanism, an annular spray component, a spray pipe, a solvent conduit, and a solvent control valve. The solvent control valve includes an inlet, a first outlet, and a second outlet. The cleaning chamber is divided into an installation chamber and a cleaning chamber. The drive mechanism and the solvent control valve are fixedly installed in the mounting cavity. The cleaning roller is rotatably installed in the cleaning cavity. The cleaning roller is connected to the output end of the drive mechanism. The spray pipe is fixedly installed in the cleaning cavity. The spray pipe is connected to the first output port. The spray pipe is parallel to the rotation axis of the cleaning roller. The spray pipe has a plurality of first spray holes on the side near the cleaning roller. The annular spray element is fixedly disposed in the cleaning chamber. The annular spray element is connected to the second output port through the solvent conduit. The inner side of the annular spray element is provided with a plurality of second spray holes. The cleaning tank has a first opening on one side corresponding to the position of the cleaning roller, and a second opening on one side corresponding to the position of the annular spray element.
2. The spray gun cleaning device according to claim 1, characterized in that, The annular spray component includes an internal lower frame base and an upper frame cover plate. The middle of the lower frame base and the upper frame cover plate are both through-type. An annular guide groove is provided between the lower frame base and the upper frame cover plate. A plurality of second spray holes are connected to the annular guide groove. A connection hole is provided on one side of the lower frame base, which is connected to the annular guide groove. The solvent conduit is connected to the connection hole.
3. The spray gun cleaning device according to claim 2, characterized in that, The inner side of the upper frame cover plate is provided with an annular setting surface that is inclined towards the area above the second opening. A plurality of second spray holes are arranged on the annular setting surface, and the plurality of second spray holes are distributed in a ring along the circumference of the annular setting surface.
4. The spray gun cleaning device according to claim 3, characterized in that, The multiple second nozzles are all oriented toward the same point on the axial center line of the annular setting surface.
5. The spray gun cleaning device according to claim 3, characterized in that, The multiple second nozzles are all oriented toward different points on the axial center line of the annular setting surface.
6. The spray gun cleaning device according to claim 1, characterized in that, The bottom of the cleaning chamber is provided with a drain hopper, and the bottom of the drain hopper has a drain outlet. The circumference of the inner contour of the drain hopper near the drain outlet is smaller than the circumference of the inner contour away from the drain outlet.
7. The spray gun cleaning device according to claim 1, characterized in that, The circumferential surface of the cleaning roller is provided with nylon bristles.
8. The spray gun cleaning device according to claim 1, characterized in that, The drive mechanism is a pneumatic motor. An air pipe passes through the cleaning tank and connects the pneumatic motor to an external air compressor. A solvent delivery pipe passes through the cleaning tank and connects the solvent control valve to an external solvent pump.
9. The spray gun cleaning device according to claim 1, characterized in that, A partition plate is fixedly installed inside the cleaning tank, which separates the mounting cavity and the cleaning cavity. An mounting plate is fixedly installed inside the cleaning cavity. The cleaning roller is rotatably disposed between the partition plate and the mounting plate. The annular spray component is fixedly disposed between the mounting plate and the inner wall of the cleaning tank.
10. The spray gun cleaning device according to claim 1, characterized in that, The cleaning tank includes a main body and a lid. The lid is encapsulated on one side of the main body. One side of the lid is rotatably connected to the main body, and the other side of the lid is detachably connected to the main body via a latch. The first opening and the second opening are provided on the lid. Z-shaped connecting plates for fixed installation are provided at both ends of one side of the main body.