Pressure-adjustable paint spraying gun

Abstract

The utility model discloses a pressure-adjustable paint spraying gun which comprises a paint spraying gun body, an air cavity connected with an air pipe, a paint pressure cylinder, a connecting pipe and a spray head which are arranged on the left side of the paint spraying gun body, and a movable plate which has an adjusting function and moves left and right in the air cavity, a paint spraying pipe is fixedly connected to the left side of the paint spraying gun body, a mounting pipe fixed to the right end of the connecting pipe is inserted into the left side of the paint spraying pipe, the paint spraying pipe and the mounting pipe are fixed through a limiting mechanism arranged on the outer side of the paint spraying pipe, and the limiting mechanism drives the mounting pipe and the paint spraying pipe to form a detachable structure. According to the pressure-adjustable paint spraying gun, the pressure of the paint spraying gun can be conveniently adjusted, the mounting pipe and the paint spraying pipe can be conveniently detached through the arrangement of the limiting structure, transverse movement or vertical movement of the paint spraying gun body can be better achieved for spraying, and the actual spraying efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the related technical field of paint spraying gun, concretely is a paint spraying gun of adjustable pressure. BACKGROUND

[0002] The paint spraying gun refers to a kind of equipment using liquid or compressed air as power, paint is placed in container, paint in container enters paint spraying gun, and paint is sprayed outward by compressed air, so that paint can be sprayed very efficiently and uniformly;

[0003] For example, the publication number CN216025667U discloses a paint spraying gun convenient to clean, relating to the technical field of paint spraying gun, including gun body, the top end of gun body is equipped with gun body, the inside one side of gun body is equipped with valve rod, and the surface one side of gun body is equipped with valve door trigger, the bottom end of gun body is equipped with compressed air interface, one end of gun body is equipped with anti-suction tank, and the end of anti-suction tank away from gun body is equipped with blow nozzle, the bottom end one side of gun body is equipped with paint tank, the inside of gun body is equipped with handle, the inside of anti-suction tank is fixed with inner container, inner thread groove is formed on the inner wall of inner container, and the inside one end of inner container is equipped with main lead-through, the utility model not only uses flexible and convenient, improves paint spraying quality, reduces the paint accumulation amount in the inside of gun body, prolongs the service life of paint spraying gun, but also is convenient for staff to clean, maintain related components of paint spraying gun, and enhances the use convenience of paint spraying gun;

[0004] However, the prior art has the problems that it is inconvenient to adjust the pressure of paint spraying gun, the angle of the spray head of paint spraying gun is fixed, the angle and area of spraying are limited, and the actual spraying efficiency needs to be improved, for example, the above-mentioned comparative patent has the problem.

[0005] Therefore, we propose a paint spraying gun with adjustable pressure to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a paint spraying gun with adjustable pressure to solve the problem that it is inconvenient to adjust the pressure of paint spraying gun, the angle of the spray head of paint spraying gun is fixed, the angle and area of spraying are limited, and the actual spraying efficiency needs to be improved.

[0007] To achieve the above object, the utility model provides the following technical scheme: a paint spraying gun with adjustable pressure, comprising a paint spraying gun body, a gas cavity connected with a gas pipe, a paint pressure cylinder, a connecting pipe and a spray head arranged on the left side of the paint spraying gun body.

[0008] Further comprising:

[0009] The movable plate has a regulating function and moves left and right inside the air cavity;

[0010] The left side of the paint spraying gun body is fixedly connected with a paint spraying pipe, and the left side of the paint spraying pipe is inserted with a mounting pipe fixed to the right end of the connecting pipe.

[0011] Preferably, the air cavity is fixed below the right end handle of the paint spraying gun body, and the right end of the air cavity is threadedly connected with a connecting bolt for adjustment.

[0012] Preferably, the left side of the connecting bolt is rotatably connected with the movable plate, and the movable plate is attached to the inner wall of the upper end of the air cavity.

[0013] Preferably, the upper and lower ends of the mounting pipe are fixedly connected with protrusions for positioning, and the protrusions are clamped to the left end of the paint spraying pipe.

[0014] Preferably, a sealing ring is attached between the right end of the mounting pipe and the inner side of the paint spraying pipe.

[0015] Preferably, the limiting mechanism is composed of a connecting sleeve, a connecting disc, a connecting rod and a connecting plate.

[0016] Preferably, the connecting sleeve is threadedly connected to the outer surface of the paint spraying pipe, and the left end of the connecting sleeve is rotatably connected with the connecting disc, and the upper and lower ends of the connecting disc are hingedly connected with the connecting rod.

[0017] Preferably, the left end of the connecting rod is fixedly connected with the connecting plate, and the connecting rod drives the connecting plate to form a turnover structure outside the paint spraying pipe, and the connecting plate is sleeved on the outer surface of the protrusion and presses and positions the protrusion.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows: the paint spraying gun with adjustable pressure can adjust the size of the gas flow by moving the movable plate in the air cavity through the connecting bolt, thereby adjusting the pressure of the paint spraying gun, and the mounting pipe and the paint spraying pipe can be easily disassembled through the limiting structure, the angle of the connecting pipe and the spray head can be adjusted by rotating the mounting pipe, and the horizontal or vertical movement of the paint spraying gun body can be better realized during the spraying process, thereby improving the actual spraying efficiency.

[0019] 1. The air cavity, the connecting bolt and the movable plate are provided, the movable plate is moved in the air cavity by the connecting bolt, the size of the gas flow can be adjusted, thereby the pressure of the paint spraying gun can be adjusted.

[0020] 2、It is provided with a paint spraying pipe and a mounting pipe, the mounting pipe is inserted into the paint spraying pipe, the mounting pipe drives the protruding block to be clamped in the corresponding position on the left side of the paint spraying pipe, the angle of the connecting pipe and the spray head can be adjusted, and the paint spraying can be transversely or vertically moved.

[0021] 3、It is provided with a limiting mechanism, the limiting mechanism comprises a connecting sleeve, a connecting disc, a connecting rod and a connecting plate, through the limiting mechanism, the paint spraying pipe and the connecting pipe can be installed and positioned, and the installation and positioning are very convenient. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a schematic view of the overall structure in the southwest direction of the utility model;

[0023] Figure 2 It is a schematic view of the overall structure in the southeast direction of the utility model;

[0024] Figure 3 It is a schematic view of the exploded structure of the air cavity, the connecting bolt and the movable plate of the utility model;

[0025] Figure 4 It is a schematic view of the overall structure of the paint spraying pipe, the connecting pipe, the spray head and the limiting mechanism of the utility model;

[0026] Figure 5 It is a schematic view of the exploded structure of the paint spraying pipe, the connecting pipe, the mounting pipe and the sealing ring of the utility model;

[0027] Figure 6 It is a schematic view of the structure of the connecting disc, the connecting rod, the connecting disc, the connecting sleeve and the paint spraying pipe in the overturning state of the utility model;

[0028] Figure 7 It is a schematic view of the structure of the connecting pipe, the spray head and the paint spraying pipe in the angle adjusting state of the utility model.

[0029] In the drawing: 1, paint spraying gun body; 2, air cavity; 3, connecting bolt; 4, movable plate; 5, paint pressure cylinder; 6, paint spraying pipe; 7, connecting pipe; 8, spray head; 9, mounting pipe; 10, protruding block; 11, sealing ring; 12, connecting sleeve; 13, connecting disc; 14, connecting rod; 15, connecting plate. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] Please refer to Figures 1-7 .

[0032] In order to solve the problem that the pressure of the paint spraying gun cannot be adjusted conveniently, the angle of the nozzle 8 of the paint spraying gun is fixed, the angle and area of the spraying are limited, and the actual spraying efficiency needs to be improved in the prior art, the technical scheme is adopted, a paint spraying gun with adjustable pressure is provided with a paint spraying gun body 1, a gas cavity 2 connected with a gas pipe, a paint pressure cylinder 5, a connecting pipe 7 and a nozzle 8 arranged on the left side of the paint spraying gun body 1, a movable plate 4 with an adjusting function and moving left and right in the gas cavity 2, a paint spraying pipe 6 fixedly connected to the left side of the paint spraying gun body 1, and a mounting pipe 9 fixed to the right end of the connecting pipe 7 inserted into the left side of the paint spraying pipe 6, the paint spraying pipe 6 and the mounting pipe 9 are fixed by a limiting mechanism arranged on the outer side of the paint spraying pipe 6, and the limiting mechanism drives the mounting pipe 9 and the paint spraying pipe 6 to form a detachable structure;

[0033] As shown in Figure 1 , Figure 2 and Figure 3 , first, the paint is appropriately placed in the paint pressure cylinder 5, and the paint pressure cylinder 5 is installed on the paint spraying gun body 1, then according to the actual spraying requirements, the connecting bolt 3 screwed on the right end of the gas cavity 2 is rotated, the left side of the connecting bolt 3 and the movable plate 4 are rotated, the movable plate 4 attached to the inner side of the upper end of the gas cavity 2 moves left and right in the gas cavity 2, so that the size of the opening on the upper end of the gas cavity 2 can be adjusted, the size of the gas flow can be adjusted by adjusting the size of the opening, and the size of the spraying pressure can be adjusted, and the left side of the paint spraying gun body 1 is fixedly connected with the paint spraying pipe 6, and the left side of the paint spraying pipe 6 is provided with the connecting pipe 7 and the nozzle 8;

[0034] When spraying, as shown in Figure 1 and Figure 2 , the handle at the lower end of the paint spraying gun body 1 is held, the paint in the paint pressure cylinder 5 is pressed out by starting the switch button, and the compressed air is rapidly released as power to spray the paint through the paint spraying pipe 6, the connecting pipe 7 and the nozzle 8 outward for spraying operation, the paint spraying gun body 1 and the paint pressure cylinder 5 are both existing mature technologies, and will not be described in detail, when the connecting pipe 7 and the nozzle 8 are arranged horizontally as shown in Figure 1 , the paint spraying gun body 1 can be held to move vertically for spraying operation, when it is needed to move the paint spraying gun body 1 horizontally for spraying, first, the paint spraying gun body 1 is closed, as shown in Figure 4 , Figure 5 , Figure 6 and Figure 7As shown, the limiting mechanism is composed of the connecting sleeve 12, the connecting disc 13, the connecting rod 14 and the connecting plate 15, first, rotate the connecting sleeve 12 which is threadedly connected to the outer surface of the paint spraying pipe 6, rotate the connecting sleeve 12 and the connecting disc 13, and move the connecting disc 13 leftwards with the connecting sleeve 12, so that the connecting disc 13 moves the connecting plate 15 leftwards together with the connecting rod 14, thereby loosening the pressing positioning of the protrusion 10, then overturn the connecting rod 14, rotate the connecting rod 14 on the connecting disc 13, rotate the connecting plate 15 with the connecting rod 14 to disengage from the protrusion 10, thereby loosening the limiting between the mounting pipe 9 and the paint spraying pipe 6;

[0035] Then pull the connecting pipe 7 leftwards, the connecting pipe 7 moves the mounting pipe 9 and the protrusion 10 out of the left side of the paint spraying pipe 6, disassemble the connecting pipe 7, then adjust the connecting pipe 7 and the spray head 8 to be vertically arranged, then insert the mounting pipe 9 into the left side of the paint spraying pipe 6, at this time, the mounting pipe 9 moves the protrusion 10 to be clamped at the front and back ends of the left side of the paint spraying pipe 6, then rotate the connecting disc 13 at the left end of the connecting sleeve 12, so that the connecting disc 13 moves the connecting rod 14 and the connecting plate 15 to be correspondingly arranged with the protrusion 10, then overturn the connecting rod 14 to move the connecting plate 15 to be sleeved on the outer surface of the protrusion 10, then overturn the connecting sleeve 12 which is threadedly connected to the outer surface of the paint spraying pipe 6, so that the connecting sleeve 12 moves the connecting disc 13 and the connecting rod 14 rightwards to press and limit the protrusion 10, thereby facilitating the limiting between the mounting pipe 9 and the paint spraying pipe 6, and the sealing ring 11 is arranged between the mounting pipe 9 and the paint spraying pipe 6, which improves the sealing effect of the connecting part and prevents leakage, and the state is adjusted as Figure 7 As shown, start the paint spraying gun body 1 to perform the spraying operation, at this time, the paint spraying gun body 1 can be held to move horizontally, and the spray head 8 is provided with a plurality of spray heads, which can increase the spraying area and adjust the spraying direction, thereby greatly improving the actual spraying efficiency.

[0036] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An adjustable pressure spray gun, comprising a spray gun body (1), an air chamber (2) connected to an air pipe, a paint pressure cylinder (5), a connecting pipe (7) disposed on the left side of the spray gun body (1), and a nozzle (8); Its features are, Also includes: A movable plate (4) with adjustment function that moves left and right inside the air cavity (2); The left side of the spray gun body (1) is fixedly connected to a spray pipe (6), and the left side of the spray pipe (6) is connected to an installation pipe (9) fixed at the right end of the connecting pipe (7). The spray pipe (6) and the installation pipe (9) are fixed together by a limiting mechanism set outside the spray pipe (6). The limiting mechanism drives the installation pipe (9) and the spray pipe (6) to form a disassembly structure.

2. The adjustable pressure spray gun according to claim 1, characterized in that: The air chamber (2) is fixed below the right end handle of the paint gun body (1), and the right end of the air chamber (2) is threaded with a connecting bolt (3) for adjustment.

3. The adjustable pressure spray gun according to claim 2, characterized in that: The left side of the connecting bolt (3) is rotatably connected to a movable plate (4), and the movable plate (4) is fitted against the inner wall of the upper end of the air cavity (2).

4. The adjustable pressure spray gun according to claim 1, characterized in that: Both ends of the mounting tube (9) are fixedly connected with protrusions (10) for positioning, and the protrusions (10) are engaged with the left end of the paint spraying tube (6).

5. The adjustable pressure spray gun according to claim 4, characterized in that: A sealing ring (11) is provided between the right end of the mounting tube (9) and the inner side of the paint spraying tube (6).

6. The adjustable pressure spray gun according to claim 1, characterized in that: The limiting mechanism is composed of a connecting sleeve (12), a connecting plate (13), a connecting rod (14), and a connecting plate (15).

7. The adjustable pressure spray gun according to claim 6, characterized in that: The connecting sleeve (12) is threaded onto the outer surface of the paint spray tube (6), and the left end of the connecting sleeve (12) is rotatably connected to the connecting plate (13), and the upper and lower ends of the connecting plate (13) are hinged to the connecting rod (14).

8. The adjustable pressure spray gun according to claim 7, characterized in that: The left end of the connecting rod (14) is fixedly connected to the connecting plate (15), and the connecting rod (14) drives the connecting plate (15) to form a flip structure on the outside of the paint spray tube (6). At the same time, the connecting plate (15) is sleeved on the outer surface of the protrusion (10) and presses and positions the protrusion (10).

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