CN219356613U

CN219356613U - Spray gun

Info

Publication number: CN219356613U
Application number: CN202320548963.XU
Authority: CN
Inventors: 金霍
Original assignee: Shanghai Jinbida Sign Engineering Co ltd
Current assignee: Shanghai Jinbida Sign Engineering Co ltd
Priority date: 2023-03-18
Filing date: 2023-03-18
Publication date: 2023-07-18
Anticipated expiration: 2033-03-18

Abstract

The application relates to the technical field of plate paint spraying, and solves the problem of poor safety protection performance of a handheld spray gun; the gun body is provided with a locking mechanism, the locking mechanism comprises a locking block, a spring for driving the locking block to slide away from the gun body and a connecting piece arranged on the peripheral side surface of the gun body, and the connecting piece is provided with a movable groove for accommodating the locking block and the spring; the protective cover is sleeved at one end of the gun body and is provided with a connecting part, the connecting part is provided with a mounting cavity for the connecting piece to slide in along the axial direction of the gun body, and the connecting part is communicated with the cavity wall of the mounting cavity and is provided with a connecting groove for the locking block to be matched and inserted. The paint mist dispersing in the air during paint spraying can be reduced, the possibility of being inhaled by workers is reduced, the protective cover is connected with the gun body in a clamping mode after rotating, and the paint mist spraying device is compact and stable in connection structure and convenient and fast to operate.

Description

Spray gun

Technical Field

The application relates to the technical field of plate paint spraying, in particular to a spray gun.

Background

The paint spraying work is needed to be carried out on plates such as metal, wood and the like in the production process, and the spray gun is spraying equipment which uses liquid or compressed air to quickly release the paint as power, so that the paint can be dispersed into fine mist drops, and then the fine mist drops can be uniformly applied to the surfaces of the plates.

But a large amount of paint mist generated during paint spraying can be dispersed towards the direction of the spray gun, and part of paint mist is sprayed on the surface of the plate and then is sputtered, so that on one hand, paint is smeared on a watchcase of the spray gun and is inconvenient to clean, on the other hand, the paint mist contains a large amount of harmful substances, and for the spray gun which needs to be manually operated by a worker, the sputtered paint mist is easily inhaled by the worker during work, so that great damage is caused to a body, and the safety protection performance is poor.

Disclosure of Invention

In order to overcome the defect of poor safety protection performance of a handheld spray gun, the application provides a spray gun.

The application provides a spray gun, adopts following technical scheme:

a spray gun comprises a gun body and a protective cover detachably sleeved on the gun body; the gun body is provided with a locking mechanism, the locking mechanism comprises a locking block, a spring for driving the locking block to slide away from the gun body, and a connecting piece arranged on the peripheral surface of the gun body, and the connecting piece is provided with a movable groove for accommodating the locking block and the spring; the protective cover is sleeved at one end of the gun body and is provided with a connecting part, the connecting part is provided with a mounting cavity which is provided with an opening and is used for enabling the connecting piece to axially rotate and slide in along the gun body, and the connecting part is communicated with the cavity wall of the mounting cavity and is provided with a connecting groove for enabling the locking block to be matched and inserted.

Through adopting above-mentioned technical scheme, when spraying paint, thereby the protection casing can reduce the paint mist that disperses to the air and reduce by the absorptive possibility of staff, can also reduce the paint mist and sputter the possibility on one's body the staff, has improved the safety protection performance of spray gun. When the protective cover is installed, the protective cover is sleeved to the position of the gun body corresponding to the locking mechanism, and then the protective cover is rotated to enable the locking block to be clamped into the connecting groove; when the protective cover needs to be disassembled, the locking block is pressed to be separated from the connecting groove, and then the protective cover is reversely rotated to separate the connecting piece from the mounting cavity, so that the protective cover can be removed for cleaning or replacement; the protection casing adopts the mode of rotating back and rifle body joint, and connection structure is inseparabler and stable, and the operation is convenient and fast more.

Optionally, the both sides of latch segment are provided with first spacing portion, be provided with on the connecting piece with first spacing portion cooperation is connected and is used for restricting the latch segment breaks away from the second spacing portion of connecting piece.

Through adopting above-mentioned technical scheme, the connecting piece is fixed in on the rifle body, thereby the retaining block realizes the sliding connection with the connecting piece through first spacing portion and the cooperation of the spacing portion of second, has improved locking mechanical structure's structural stability.

Optionally, an inclined plane is arranged in the direction of the locking block sliding into the installation cavity.

Through adopting above-mentioned technical scheme, when the protection casing rotates and makes the connecting piece slide into the installation intracavity, thereby the inclined plane can have the guide effect to push down the latch segment towards the direction of spring compression, the installation of protection casing and rifle body of being convenient for.

Optionally, the locking mechanism further comprises a guide post arranged on the surface of the gun body for sleeving the spring.

Through adopting above-mentioned technical scheme, the guide post can provide the guide effect for the deformation of spring, has further improved locking mechanical system's structural stability.

Optionally, one side of the connecting portion is provided with a baffle plate for limiting the protection cover to rotate along the axial direction of the gun body until the connecting portion is connected with the locking block and then continuously rotates.

Through adopting above-mentioned technical scheme, the baffle can avoid connecting portion and latch segment to continue to rotate and make the unlocking of protection casing and rifle body after being connected, has further improved the stability and the convenience of protection casing and rifle body mounting structure.

Optionally, the circumference surface of the gun body is provided with a locating plate, the side face of the connecting part is abutted to the locating plate, and the protection cover rotates along the axial direction of the gun body to enable the connecting piece to slide into the installation cavity.

Through adopting above-mentioned technical scheme, the locating plate can play the restriction effect to the edge rifle body axial slip of protection casing to make the protection casing slide to the position that connecting portion corresponds locking mechanical system, rotate the protection casing again and make connecting portion and locking mechanical system be connected, need not the staff and carry out the calibration of position to connecting portion and locking mechanical system, improved the convenience of protection casing installation.

Optionally, the protective cover is made of a transparent material.

Through adopting above-mentioned technical scheme, transparent protection casing is convenient for the staff observe whether the spray gun sprays the panel surface uniformly, and the staff of being convenient for sprays paint the work.

Optionally, a sponge layer is adhered to the inner surface of the protective cover, which is close to the opening.

Through adopting above-mentioned technical scheme, the protection casing can withstand the paint mist of sputtering, and after long-time use, paint mist can condense at the internal surface of protection casing, and the sponge layer can reduce the paint and follow the opening of protection casing and drop down to the possibility on the panel.

In summary, the present application includes at least one of the following beneficial effects:

1. the protective cover can reduce paint mist dispersed into the air, so that the possibility of being inhaled by a worker is reduced, the possibility of the paint mist being sputtered onto the worker is also reduced, and the safety protection performance of the spray gun is improved;

2. the protective cover is clamped with the gun body after rotating, so that the connecting structure is more compact and stable;

3. the locking block is driven to be clamped into the connecting groove through the spring, so that the protective cover and the gun body are mounted, the protective cover is mounted and dismounted more conveniently and rapidly, and the protective cover is convenient to clean or replace;

4. the sponge layer capable of absorbing paint is arranged on the inner surface of the opening of the protective cover, so that the possibility that paint drops onto a plate in the paint spraying process can be reduced, and the paint spraying effect on the surface of the plate is improved.

Drawings

FIG. 1 is a schematic view of the structure of a spray gun in an embodiment of the present application;

FIG. 2 is a cross-sectional view of the attachment of the shield to the gun body in an embodiment of the present application;

FIG. 3 is an exploded view of a locking mechanism in an embodiment of the present application;

fig. 4 is a schematic structural view of a protective cover in an embodiment of the present application.

Reference numerals illustrate: 1. a gun body; 2. a protective cover; 21. a relief groove; 3. a connection part; 31. a mounting cavity; 32. a connecting groove; 33. a baffle; 4. a locking mechanism; 5. a connecting piece; 51. a movable groove; 52. a second limit part; 6. a locking block; 61. a first limit part; 62. an inclined plane; 63. a cylinder; 7. a spring; 8. a guide post; 9. a positioning plate; 10. a sponge layer.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

Referring to fig. 1, the embodiment of the application discloses a spray gun, including a gun body 1 and a protective cover 2 detachably sleeved on the gun body 1, in this embodiment, the protective cover 2 is arranged at a position close to a spray head of the gun body 1 and is arranged in a horn shape with an opening gradually increasing toward the spray head direction. The protective cover 2 can reduce paint mist dispersed into the air, so that the possibility of being inhaled by workers is reduced, the safety protection performance of the spray gun is improved, and the detachable connecting sleeve is convenient to clean or replace.

Referring to fig. 2 and 3, a locking mechanism 4 is provided on a gun body 1, the locking mechanism 4 comprises a locking block 6, a spring 7 and a connecting piece 5, the connecting piece 5 is arranged on the surface of the periphery of the gun body 1 and is provided with a movable groove 51 for accommodating the locking block 6 and the spring 7, the spring 7 drives the locking block 6 to slide away from the gun body 1, two sides of the locking block 6 are provided with first limiting parts 61, the connecting piece 5 is provided with second limiting parts 52 which are matched and connected with the first limiting parts 61 and are used for limiting the locking block 6 to be separated from the connecting piece 5, wherein the first limiting parts 61 are limiting blocks which are horizontally extended from two side walls of the locking block 6 close to one end of the gun body 1, the second limiting parts 52 are limiting grooves which are formed in the connecting piece 5 and are communicated with the movable groove 51, and the limiting grooves are formed along the sliding direction of the locking block 6. In order to further improve the structural stability of the locking mechanism 4, the locking mechanism 4 further comprises a guide post 8 arranged on the surface of the gun body 1 and positioned in the limiting groove, a cylinder 63 is also arranged in the locking block 6 at a position corresponding to the guide post 8, and two ends of the spring 7 are respectively sleeved on the guide post 8 and the cylinder 63.

Referring to fig. 2 and 4, one end of the gun body 1 sleeved with the protective cover 2 is provided with a connecting part 3 matched and connected with the locking mechanism 4, the connecting part 3 is provided with an installation cavity 31 with an opening for the connecting piece 5 to axially rotate and slide in along the gun body 1, and the connecting part 3 is communicated with the cavity wall of the installation cavity 31 and provided with a connecting groove 32 for the matched and spliced locking block 6. In order to avoid interference with the locking mechanism 4 when the protection cover 2 rotates, the protection cover 2 is further provided with a relief groove 21 communicating with the mounting cavity 31.

Referring to fig. 2 and 3, in order to improve the convenience of the installation of the shield 2, the locking block 6 is provided with a slope 62 in a direction of sliding into the installation cavity 31, and the slope 62 can have a guiding effect so that the connection part 3 presses down the locking block 6 toward the direction in which the spring 7 is compressed; one side of the connecting part 3 is provided with a baffle 33 which limits the protective cover 2 to rotate along the axial direction of the gun body 1 until the connecting part 3 is connected with the locking block 6 and then continues to rotate. In addition, the circumference surface of the gun body 1 is also provided with a positioning plate 9, the positioning plate 9 can be annular, the protective cover 2 is sleeved on the gun body 1 in a sliding way so that the side face of the connecting part 3 is abutted on the positioning plate 9, and the protective cover 2 rotates along the axial direction of the gun body 1 so that the connecting piece 5 slides into the mounting cavity 31, so that the position calibration of the connecting part 3 and the locking mechanism 4 by workers is not needed.

The locking mechanism 4 and the corresponding connecting portion 3 may be provided one for easy installation, and in order to make the connection of the shield 2 and the gun body 1 more compact, the locking mechanism 4 and the corresponding connecting portion 3 are preferably provided in two opposite directions.

As a preferred embodiment, the protective cover 2 is made of a transparent material such as plastic or acryl so as to facilitate the painting work of the worker.

Referring to fig. 2, a ring of sponge layer 10 is adhered to the inner surface of the protective cover 2 near the opening, and the sponge layer 10 has water absorbability so as to absorb paint sliding off the inner surface of the protective cover 2.

The implementation principle of the spray gun in the embodiment of the application is as follows:

before paint spraying, the protective cover 2 can be installed, the protective cover 2 is sleeved on the gun body 1 through the position of the abdication groove 21 corresponding to the locking mechanism 4, the connecting part 3 is abutted against the positioning plate 9, and then the protective cover 2 is rotated to enable the locking block 6 to be clamped into the connecting groove 32, so that the protective cover 2 is installed, and the safety protection performance of the spray gun is improved; when the protective cover 2 needs to be disassembled, the locking block 6 is pressed to be separated from the connecting groove 32, and then the protective cover 2 is reversely rotated to separate the connecting piece 5 from the mounting cavity 31, so that the protective cover 2 can be removed.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A spray gun, characterized in that: comprises a gun body (1) and a protective cover (2) which is detachably sleeved on the gun body (1); the gun body (1) is provided with a locking mechanism (4), the locking mechanism (4) comprises a locking block (6), a spring (7) for driving the locking block (6) to slide away from the gun body (1) and a connecting piece (5) arranged on the peripheral side surface of the gun body (1), and the connecting piece (5) is provided with a movable groove (51) for accommodating the locking block (6) and the spring (7); the protective cover (2) is sleeved at one end of the gun body (1) and is provided with a connecting part (3), the connecting part (3) is provided with a mounting cavity (31) with an opening, the connecting part (5) axially rotates and slides in the gun body (1), and the connecting part (3) is communicated with the cavity wall of the mounting cavity (31) and is provided with a connecting groove (32) for matched and spliced by the locking block (6).

2. A spray gun according to claim 1, wherein: the two sides of the locking block (6) are provided with first limiting parts (61), and the connecting piece (5) is provided with second limiting parts (52) which are connected with the first limiting parts (61) in a matching way and used for limiting the locking block (6) to be separated from the connecting piece (5).

3. A spray gun according to claim 1, wherein: an inclined surface (62) is arranged in the direction of the locking block (6) sliding into the mounting cavity (31).

4. A spray gun according to claim 1, wherein: the locking mechanism (4) further comprises a guide post (8) which is arranged on the surface of the gun body (1) and sleeved by the spring (7).

5. A spray gun according to claim 1, wherein: one side of the connecting part (3) is provided with a baffle plate (33) which limits the protective cover (2) to axially rotate along the gun body (1) until the connecting part (3) is connected with the locking block (6) and then continuously rotates.

6. A spray gun according to claim 1, wherein: the gun is characterized in that a locating plate (9) is arranged on the peripheral side surface of the gun body (1), the side face of the connecting part (3) is abutted to the locating plate (9), and the protective cover (2) rotates along the axial direction of the gun body (1) so that the connecting piece (5) slides into the mounting cavity (31).

7. A spray gun according to claim 1, wherein: the protective cover (2) is made of transparent material.

8. A spray gun according to claim 1, wherein: the inner surface of the protective cover (2) close to the opening is stuck with a sponge layer (10).