Spray gun pressure adjusting device

Abstract

The utility model discloses a spray gun pressure adjusting device which comprises a pipeline, a spray head is arranged at the tail end of the pipeline, a fixing plate is arranged on the outer wall of the pipeline, an adjusting valve is arranged on the fixing plate in a penetrating mode, a rotating disc is arranged at the upper end of the adjusting valve, an installation cover is arranged above the pipeline, and a limiting mechanism used for limiting the rotating disc is arranged in the installation cover. A connecting mechanism used for being connected with the fixing plate is arranged on the outer wall of the mounting cover. According to the utility model, the ratchet wheel is matched with the pawl, the adjusting valve is protected by the mounting cover, and the position of the turntable is limited, so that the misoperation phenomenon in the operation process of the spray gun is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of spray guns, in particular to a spray gun pressure regulating device. Background Art

[0002] A spray gun is a device that uses liquid or compressed air to release quickly as power. There are two types of spray guns: general pressure type and pressurized type. There are also pressure spray guns, Carle spray guns, and automatic recovery spray guns. The application of spray guns in the industry can be directly loaded with paint, that is, a simple spray gun, which can be installed in automated equipment, such as automatic glue spraying machines, automatic glue coating machines, automatic paint spraying machines, coating machines and other spraying equipment.

[0003] During use, the pressure of the spray gun will be adjusted according to the use requirements. However, the regulating device for regulating the pressure of the spray gun in the prior art is generally exposed to the outside, and there is no restriction on the regulating device, which causes people to operate incorrectly during operation. Some devices with restrictions on the regulating device are generally fixedly connected to the spray gun, which brings certain troubles to people when the regulating device needs to be repaired or replaced. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art. By setting the coordination of the ratchet and the pawl and installing the cover to protect the regulating valve, the position of the turntable is restricted to avoid misoperation during the operation of the spray gun, and a spray gun pressure regulating device is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A spray gun pressure regulating device comprises a pipeline, a nozzle is arranged at the end of the pipeline, a fixing plate is arranged on the outer wall of the pipeline, a regulating valve is penetrated through the fixing plate, a turntable is arranged on the upper end of the regulating valve, a mounting cover is arranged above the pipeline, a limiting mechanism for limiting the turntable is arranged inside the mounting cover, and a connecting mechanism for connecting with the fixing plate is arranged on the outer wall of the mounting cover.

[0007] Preferably, the limiting mechanism includes a ratchet wheel arranged in the mounting cover, an operating rod is rotatably connected to the upper end of the mounting cover, a pawl cooperating with the ratchet wheel is provided on the outer wall of the operating rod, and a torsion spring is provided at the rotatably connected part of the operating rod and the mounting cover.

[0008] Preferably, the connection mechanism comprises a plurality of circumferentially arranged connection ears arranged on the outer wall of the mounting cover, and the side wall of the fixing plate is provided with a plurality of circumferentially arranged mounting ears cooperating with the plurality of connection ears.

[0009] Preferably, the outer wall of the turntable is provided with a plurality of circumferentially arranged slots, and the inner wall of the ratchet is provided with a plurality of circumferentially arranged blocks, and the plurality of blocks cooperate with the plurality of slots.

[0010] Preferably, a rotating rod is rotatably connected to the upper end of the mounting cover, a connecting plate is provided at the lower end of the rotating rod, and the connecting plate is connected to the ratchet wheel via two symmetrically arranged connecting rods.

[0011] Preferably, the plurality of connecting ears are all penetrated by fixing bolts, and the plurality of fixing bolts are respectively matched with the plurality of mounting ears.

[0012] Beneficial effects of the utility model:

[0013] 1. By setting the coordination between the ratchet and the pawl and installing the cover to protect the regulating valve, the position of the turntable is restricted to avoid misoperation during the operation of the spray gun.

[0014] 2. The installation cover can be installed by connecting the multiple mounting ears and the connecting ears with multiple fixing bolts, which brings certain convenience to the maintenance and replacement of the regulating valve in the later stage. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a bottom view schematic diagram of the overall structure of the utility model;

[0017] Figure 3 It is a bottom view schematic diagram of the internal structure of the installation cover of the utility model.

[0018] In the figure: 1 pipeline, 2 nozzle, 3 fixing plate, 4 regulating valve, 5 turntable, 6 slot, 7 mounting ear, 8 mounting cover, 9 connecting ear, 10 fixing bolt, 11 rotating rod, 12 operating rod, 13 ratchet, 14 block, 15 connecting plate, 16 connecting rod, 17 ratchet. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0021] Reference Figure 1-3 The spray gun pressure regulating device comprises a pipeline 1, a nozzle 2 is arranged at the end of the pipeline 1, a fixing plate 3 is arranged on the outer wall of the pipeline 1, a regulating valve 4 is penetrated on the fixing plate 3, a turntable 5 is arranged on the upper end of the regulating valve 4, a mounting cover 8 is arranged above the pipeline 1, a limiting mechanism for limiting the turntable 5 is arranged in the mounting cover 8, the limiting mechanism comprises a ratchet 13 arranged in the mounting cover 8, an operating rod 12 is penetrated and rotatably connected at the upper end of the mounting cover 8, a pawl 17 cooperating with the ratchet 13 is arranged on the outer wall of the operating rod 12, a torsion spring is arranged at the rotational connection between the operating rod 12 and the mounting cover 8, the position of the turntable 5 is limited by the cooperation of the ratchet 13 and the pawl 17, and the protection of the regulating valve 4 by the mounting cover 8, so as to avoid the occurrence of misoperation during the operation of the spray gun.

[0022] The outer wall of the mounting cover 8 is provided with a connecting mechanism for connecting with the fixing plate 3, and the connecting mechanism includes a plurality of circumferentially arranged connecting ears 9 arranged on the outer wall of the mounting cover 8, and the side wall of the fixing plate 3 is provided with a plurality of circumferentially arranged mounting ears 7 that cooperate with the plurality of connecting ears 9.

[0023] The outer wall of the rotating disk 5 is provided with a plurality of circumferentially arranged slots 6 , and the inner wall of the ratchet 13 is provided with a plurality of circumferentially arranged blocks 14 , and the plurality of blocks 14 match the plurality of slots 6 .

[0024] A rotating rod 11 is rotatably connected to the upper end of the mounting cover 8 , and a connecting plate 15 is provided at the lower end of the rotating rod 11 . The connecting plate 15 is connected to the ratchet 13 via two symmetrically arranged connecting rods 16 .

[0025] Fixing bolts 10 are passed through the multiple connecting ears 9, and the multiple fixing bolts 10 are respectively matched with the multiple mounting ears 7. The multiple mounting ears 7 are connected to the connecting ears 9 by the multiple fixing bolts 10, so as to realize the installation of the mounting cover 8, which brings certain convenience to people's maintenance and replacement of the regulating valve 4 in the later stage.

[0026] When the utility model is used, when the regulating valve 4 is limited, the multiple clamping blocks 14 in the installation cover 8 and the multiple connecting ears 9 are rotated to a relative position, and then the installation cover 8 is sleeved on the upper end of the fixing plate 3. At this time, the multiple clamping blocks 14 are in the multiple clamping grooves 6, and the multiple fixing bolts 10 are rotated so that the multiple fixing bolts 10 connect the multiple mounting ears 7 with the connecting ears 9, thereby realizing the installation of the installation cover 8, which brings certain convenience for people to repair and replace the regulating valve 4 in the later stage;

[0027] When adjusting the regulating valve 4, the operating rod 12 is rotated to rotate the pawl 17 on the outer wall of the operating rod 12, so that the pawl 17 releases the restriction on the ratchet 13, and then the rotating rod 11 is rotated to make the rotating rod 11 drive the connecting plate 15 to rotate, and the ratchet 13 is rotated by the connection of the two connecting rods 16 between the connecting plate 15 and the ratchet 13, and then the multiple card slots 6 and the card block 14 cooperate to make the ratchet 13 drive the turntable 5 to rotate, thereby operating the regulating valve 4, and after the operation, the pawl 17 returns to the starting position to restrict the turntable 5, so as to avoid the regulating valve 4 being exposed to the outside and the occurrence of misoperation.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A spray gun pressure regulating device, comprising a pipeline (1), characterized in that: A nozzle (2) is provided at the end of the pipeline (1), a fixing plate (3) is provided on the outer wall of the pipeline (1), a regulating valve (4) is provided through the fixing plate (3), a rotating disk (5) is provided at the upper end of the regulating valve (4), a mounting cover (8) is provided above the pipeline (1), a limiting mechanism for limiting the rotating disk (5) is provided inside the mounting cover (8), and a connecting mechanism for connecting to the fixing plate (3) is provided on the outer wall of the mounting cover (8).

2. The spray gun pressure regulating device according to claim 1, characterized in that: The limiting mechanism comprises a ratchet (13) arranged in the mounting cover (8); an operating rod (12) is rotatably connected to the upper end of the mounting cover (8); a ratchet pawl (17) matching with the ratchet (13) is arranged on the outer wall of the operating rod (12); and a torsion spring is arranged at the rotatably connected portion between the operating rod (12) and the mounting cover (8).

3. The spray gun pressure regulating device according to claim 2, characterized in that: The connection mechanism comprises a plurality of circumferentially arranged connection ears (9) arranged on the outer wall of the installation cover (8), and the side wall of the fixing plate (3) is provided with a plurality of circumferentially arranged installation ears (7) matching with the plurality of connection ears (9).

4. The spray gun pressure regulating device according to claim 3, characterized in that: The outer wall of the rotating disk (5) is provided with a plurality of circumferentially arranged clamping grooves (6), and the inner wall of the ratchet wheel (13) is provided with a plurality of circumferentially arranged clamping blocks (14), and the plurality of clamping blocks (14) cooperate with the plurality of clamping grooves (6).

5. The spray gun pressure regulating device according to claim 4, characterized in that: A rotating rod (11) is rotatably connected to the upper end of the mounting cover (8), and a connecting plate (15) is provided at the lower end of the rotating rod (11). The connecting plate (15) is connected to the ratchet (13) via two symmetrically arranged connecting rods (16).

6. The spray gun pressure regulating device according to claim 5, characterized in that: The plurality of connection ears (9) are all provided with fixing bolts (10) penetrating therethrough, and the plurality of fixing bolts (10) are respectively matched with the plurality of mounting ears (7).

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