Spray gun structure for electrostatic spraying of paint

Abstract

The spray gun structure comprises a spray gun body, a fixed shell is fixedly connected to the outer wall of the front end of the spray gun body, a spray head assembly is fixedly connected to the inner wall of the fixed shell, and a dismounting mechanism is arranged on the outer wall of the front end of the spray head assembly. The dismounting mechanism comprises a fixing ring rigidly connected to the outer wall of the front end of the spray head assembly, a fixing pipe is rotationally connected to the outer wall of the fixing ring, and a nozzle is arranged on the outer wall of the front end of the fixing ring. The spray gun structure for electrostatic coating spraying is simple in structure and convenient to use, the nozzles and the like of the spray gun structure can be rapidly switched according to use requirements of different application scenes, and loss and the like caused by mistaken touch of operators can be effectively avoided.

Description

Technical Field

[0001] This utility model relates to the field of spray guns, and in particular to a spray gun structure for electrostatic spraying of coatings. Background Technology

[0002] Electrostatic spraying is a very common coating technology, widely used in industrial coating. It is also a highly efficient and environmentally friendly coating method. Electrostatic spraying guns are common industrial coating equipment that use electrostatic principles to spray the coating onto the workpiece surface after charging it. The operator controls the spraying of the coating by pressing a trigger. The design of the nozzle directly affects the uniformity and coverage of the spraying, making it an indispensable piece of equipment in modern coating technology.

[0003] Some electrostatic spray guns may be accidentally triggered after the work is completed, which may cause unnecessary losses. In addition, some electrostatic spray guns cannot be fitted with nozzles for different spray patterns and can only be used to spray a single flat surface. They are not suitable for different occasions and different needs, and cannot meet most of the user's needs.

[0004] Therefore, those skilled in the art have provided a spray gun structure for electrostatic spraying of coatings to solve the problems mentioned in the background art. Summary of the Invention

[0005] The main objective of this invention is to propose a spray gun structure for electrostatic spraying of coatings, in order to overcome the shortcomings of the existing technology.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A spray gun structure for electrostatic spraying of coatings includes a spray gun body, a fixed outer shell fixedly connected to the outer wall of the front end of the spray gun body, a nozzle assembly fixedly connected to the inner wall of the fixed outer shell, a disassembly mechanism provided on the outer wall of the front end of the nozzle assembly, the disassembly mechanism including a fixed ring rigidly connected to the outer wall of the front end of the nozzle assembly, a fixed tube rotatably connected to the outer wall of the fixed ring, and a nozzle provided on the outer wall of the front end of the fixed ring.

[0008] The spray gun body is equipped with a locking mechanism. The locking mechanism includes a limiting shell fixedly connected to the outer wall of one side of the spray gun body. A button is slidably connected to the inner wall of the limiting shell. An external sliding post is fixedly connected to the outer wall of the button near the spray gun body. The outer wall of the external sliding post has multiple through grooves. The outer wall of the external sliding post away from the button has multiple locking holes. The inner wall of the external sliding post has multiple slide tracks. A central sliding post is slidably connected to the inner wall of the external sliding post. The outer wall of the central sliding post has multiple protrusions fixedly connected to the outer wall. The outer wall of the central sliding post away from the button has multiple openings.

[0009] An inner sliding column is slidably connected to the inner wall of the central sliding column, and multiple locking blocks are fixedly connected to the outer wall of the inner sliding column. A limit post is fixedly connected to the outer wall of the inner sliding column on the side away from the button, and a spring is fixedly connected to the outer wall of the limit post on the side away from the inner sliding column.

[0010] By adopting the above design, pressing the button moves the central sliding column inward, causing the inner sliding column to move backward. Simultaneously, the locking block moves along the opening. Releasing the button after the locking block has moved it allows the locking block to move along the locking slot. A spring then engages the locking block with the locking groove, locking the handle. To unlock, pressing the button moves the inner sliding column backward, causing the locking block to move along the opening. Releasing the button after the locking block has moved it allows it to move along the locking slot and then along the through groove, unlocking the handle.

[0011] Furthermore, the fixing ring and the fixing tube are connected by threads, and the nozzle is engaged with the fixing ring. Thus, when different scenarios and needs arise, rotating the fixing tube will loosen the fixing ring, allowing the nozzle to be removed and replaced to address different scenarios or requirements. After replacement, rotating the fixing tube will clamp the fixing ring, securing the nozzle for use.

[0012] Furthermore, the protrusions slide within the through groove and the slide rail respectively, while the locking block slides within the opening. Thus, the angle of the central sliding post can be limited by the sliding of the protrusions within the through groove and the slide rail respectively.

[0013] Furthermore, a switch groove is provided in the middle of the lower surface of the spray gun body, and a handle is fixedly connected to the middle of the inner wall on both sides of the switch groove. A locking groove is provided at the upper end of the outer wall of the front end of the handle. In this way, the overall operation of the equipment can be controlled by setting the handle.

[0014] Furthermore, a spray gun handle is fixedly connected to the rear end of the lower surface of the spray gun body. This spray gun handle improves user comfort.

[0015] Furthermore, a conduit is fixedly connected to the outer wall of the rear end of the spray gun handle. This conduit is used to guide the paint into the spray gun.

[0016] Furthermore, a base plate is fixedly connected to the lower surface of the spray gun handle. This base plate is used to facilitate the stable placement of the spray gun on a supporting surface such as the ground or a table.

[0017] Furthermore, a hook is fixedly connected to the rear end of the upper surface of the spray gun. This hook can also be used to store and store the spray gun in a suspended or other manner.

[0018] Compared with the prior art, the present invention has a simple structure and is easy to use. Its nozzles and other components can be quickly switched according to the usage requirements of different application scenarios, and can effectively avoid losses caused by accidental touches by operators. Attached Figure Description

[0019] Figure 1 This is an isometric view of the structure of a spray gun for electrostatic spraying of coatings proposed in this utility model;

[0020] Figure 2 This is a front view of the structure of a spray gun for electrostatic spraying of coatings proposed in this utility model;

[0021] Figure 3 This is a side sectional view of the structure of a spray gun for electrostatic spraying of coatings proposed in this utility model;

[0022] Figure 4 This is a schematic diagram of the handle structure of a spray gun for electrostatic spraying of coatings proposed in this utility model;

[0023] Figure 5 This is a schematic diagram of the locking mechanism of a spray gun structure for electrostatic spraying of coatings proposed in this utility model;

[0024] Figure 6 This is a schematic diagram of the central sliding column structure of a spray gun for electrostatic spraying of coatings proposed in this utility model;

[0025] Figure 7 This is a schematic diagram of the external sliding column structure of a spray gun for electrostatic spraying of coatings proposed in this utility model;

[0026] Figure 8 This is a schematic diagram of the internal sliding column structure of a spray gun for electrostatic spraying of coatings proposed in this utility model;

[0027] Figure 9 This is a rear sectional view of the structure of a spray gun for electrostatic spraying of coatings proposed in this utility model;

[0028] Figure 10 This is a schematic diagram of the disassembly mechanism of a spray gun structure for electrostatic spraying of coatings proposed in this utility model.

[0029] Legend:

[0030] 1. Disassembly mechanism; 101. Nozzle; 102. Fixing ring; 103. Fixing tube; 2. Nozzle assembly; 3. Fixing housing; 4. Locking mechanism; 401. Limiting shell; 402. Button; 403. External sliding column; 404. Middle sliding column; 405. Internal sliding column; 406. Limiting column; 407. Spring; 408. Handle; 5. Spray gun body; 6. Hook; 7. Guide tube; 8. Spray gun grip; 9. Base plate; 10. Locking groove; 11. Protrusion; 12. Opening; 13. Through groove; 14. Locking port; 15. Slide rail; 16. Locking block; 17. Switch groove. Detailed Implementation

[0031] 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.

[0032] Reference Figure 1-10 The spray gun structure for electrostatic spraying of coatings provided in this embodiment includes a spray gun body 5. A fixed outer shell 3 is fixedly connected to the outer wall of the front end of the spray gun body 5. A nozzle assembly 2 is fixedly connected to the inner wall of the fixed outer shell 3. A disassembly mechanism 1 is provided on the outer wall of the front end of the nozzle assembly 2. The disassembly mechanism 1 includes a fixed ring 102 rigidly connected to the outer wall of the front end of the nozzle assembly 2. A fixed tube 103 is rotatably connected to the outer wall of the fixed ring 102. A nozzle 101 is provided on the outer wall of the front end of the fixed ring 102.

[0033] The spray gun body 5 is equipped with a locking mechanism 4. The locking mechanism 4 includes a limiting shell 401 fixedly connected to the outer wall of one side of the spray gun body 5. A button 402 is slidably connected to the inner wall of the limiting shell 401. An outer sliding post 403 is fixedly connected to the outer wall of the button 402 near the spray gun body 5. The outer wall of the outer sliding post 403 has multiple through grooves 13. The outer wall of the outer sliding post 403 away from the button 402 has multiple locking holes 14. The inner wall of the outer sliding post 403 has multiple slides 15. A middle sliding post 404 is slidably connected to the inner wall of the outer sliding post 403. Multiple protrusions 11 are fixedly connected to the outer wall of the middle sliding post 404. The outer wall of the middle sliding post 404 away from the button 402 has multiple openings 12.

[0034] An inner sliding post 405 is slidably connected to the inner wall of the middle sliding post 404. Multiple locking blocks 16 are fixedly connected to the outer wall of the inner sliding post 405. A limit post 406 is fixedly connected to the outer wall of the inner sliding post 405 on the side away from the button 402. A spring 407 is fixedly connected to the outer wall of the limit post 406 on the side away from the inner sliding post 405.

[0035] Pressing button 402 causes the central sliding column 404 to move inward. As the central sliding column 404 moves, the inner sliding column 405 also moves backward. Simultaneously, the locking block 16 moves along the opening 12. After the locking block 16 moves, release button 402. At this point, the locking block 16 moves along the locking port 14. Through spring 407, the locking block 16 engages with the locking groove 10, thus locking the handle 408. To unlock, press button 402 to move the inner sliding column 405 backward. The locking block 16 moves along the opening 12. After the locking block 16 has moved, release button 402. At this point, the locking block 16 moves along the locking port 14 and then along the through groove 13, thus unlocking the handle 408.

[0036] The fixing ring 102 and the fixing tube 103 are connected by threads. The nozzle 101 is engaged with the fixing ring 102. When different scenarios and needs arise, rotating the fixing tube 103 will loosen the fixing ring 102, allowing the nozzle 101 to be removed and replaced to meet different scenarios or needs. After replacement, rotating the fixing tube 103 will clamp the fixing ring 102, fixing the nozzle 101 in place, and it is then ready for use. The protrusions 11 slide within the through groove 13 and the slide rail 15, respectively, while the locking block 16 slides within the opening 12. The sliding of the protrusions 11 within the through groove 13 and the slide rail 15 restricts the movement of the central sliding column. At an angle of 404, a switch groove 17 is provided in the middle of the lower surface of the spray gun body 5. A handle 408 is fixedly connected to the middle of the inner wall on both sides of the switch groove 17. A locking groove 10 is provided at the upper end of the outer wall of the front end of the handle 408. The overall operation can be controlled by setting the handle 408. A spray gun handle 8 is fixedly connected to the rear end of the lower surface of the spray gun body 5. The spray gun handle 8 can improve the user's comfort. A guide tube 7 is fixedly connected to the outer wall of the rear end of the spray gun handle 8. The paint can enter the spray gun by setting the guide tube 7. A base plate 9 is fixedly connected to the lower surface of the spray gun handle 8. The spray gun can be placed on the ground by setting the base plate 9. A hook 6 is fixedly connected to the rear end of the upper surface of the spray gun body 5. The spray gun can be hung on the wall by setting the hook 6.

[0037] When the spray gun structure of this embodiment is required, first determine the shape of the nozzle 101 to be used. By rotating the fixing tube 103, the fixing tube 103 will loosen the fixing ring 102. When the fixing ring 102 is loosened, the nozzle 101 can be removed and replaced to meet different scenarios or different needs. After replacement, rotate the fixing tube 103 to clamp the fixing ring 102, which will fix the nozzle 101. Then the device can be used. Then unlock the handle 408 of the device. First, press the button 402 to move the internal sliding column 405 backward. The locking block 16 will move along the opening 12. After the movement is complete, release button 402. At this time, locking block 16 will move along locking port 14 and then along through groove 13, thus unlocking handle 408. After use, you can press button 402 to move the middle sliding column 404 inward. When the middle sliding column 404 moves, the inner sliding column 405 will also move backward. While the inner sliding column 405 moves, locking block 16 will move along opening 12. After locking block 16 moves, release button 402. At this time, locking block 16 will move along locking port 14. At this time, through spring 407, locking block 16 will engage with locking groove 10, thus locking handle 408.

[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A spray gun structure for electrostatic spraying of coatings, comprising a spray gun body (5), characterized in that: A fixed outer shell (3) is fixedly connected to the outer wall of the front end of the spray gun body (5). A nozzle assembly (2) is fixedly connected to the inner wall of the fixed outer shell (3). A disassembly mechanism (1) is provided on the outer wall of the front end of the nozzle assembly (2). The disassembly mechanism (1) includes a fixed ring (102) rigidly connected to the outer wall of the front end of the nozzle assembly (2). A fixed tube (103) is rotatably connected to the outer wall of the fixed ring (102). A nozzle (101) is provided on the outer wall of the front end of the fixed ring (102). The spray gun body (5) is provided with a locking mechanism (4). The locking mechanism (4) includes a limiting shell (401) fixedly connected to the outer wall of one side of the spray gun body (5). A button (402) is slidably connected to the inner wall of the limiting shell (401). An external sliding column (403) is fixedly connected to the outer wall of the button (402) near the spray gun body (5). The outer wall of the external sliding column (403) is provided with multiple through grooves (13). The outer wall of the external sliding column (403) away from the button (402) is provided with multiple locking holes (14). The inner wall of the external sliding column (403) is provided with multiple slides (15). A middle sliding column (404) is slidably connected to the inner wall of the external sliding column (403). A number of protrusions (11) are fixedly connected to the outer wall of the middle sliding column (404). A number of openings (12) are provided on the outer wall of the middle sliding column (404) away from the button (402). The inner wall of the central sliding column (404) is slidably connected to an inner sliding column (405), and the outer wall of the inner sliding column (405) is fixedly connected to a plurality of locking blocks (16). The outer wall of the inner sliding column (405) away from the button (402) is fixedly connected to a limit post (406), and the outer wall of the limit post (406) away from the inner sliding column (405) is fixedly connected to a spring (407).

2. The spray gun structure for electrostatic spraying of coatings according to claim 1, characterized in that: The fixing ring (102) and the fixing tube (103) are connected by threads, and the nozzle (101) is engaged with the fixing ring (102).

3. The spray gun structure for electrostatic spraying of coatings according to claim 1, characterized in that: The protrusions (11) slide inside the through groove (13) and the slide (15) respectively, and the locking block (16) slides inside the opening (12).

4. The structure of a spray gun for electrostatic spraying of coatings according to claim 1, characterized in that: A switch groove (17) is provided in the middle of the lower surface of the spray gun body (5). A handle (408) is fixedly connected to the middle of the inner wall on both sides of the switch groove (17). A locking groove (10) is provided at the upper end of the outer wall of the front end of the handle (408).

5. The structure of a spray gun for electrostatic spraying of coatings according to claim 1, characterized in that: The spray gun handle (8) is fixedly connected to the rear end of the lower surface of the spray gun body (5).

6. The spray gun structure for electrostatic spraying of coatings according to claim 5, characterized in that: The outer wall of the rear end of the spray gun handle (8) is fixedly connected to a conduit (7).

7. The structure of a spray gun for electrostatic spraying of coatings according to claim 5, characterized in that: The lower surface of the spray gun handle (8) is fixedly connected to a base plate (9).

8. The structure of a spray gun for electrostatic spraying of coatings according to claim 1, characterized in that: The upper surface of the spray gun body (5) is fixedly connected to a hook (6) at the rear end.

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