CN215088103U

CN215088103U - Handheld spray gun convenient to disassemble

Info

Publication number: CN215088103U
Application number: CN202120303291.7U
Authority: CN
Inventors: 朱占松; 苏俊有
Original assignee: Foshan Sanfu Coating Technology Co ltd
Current assignee: Foshan Sanfu Coating Technology Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-12-10
Anticipated expiration: 2031-02-03

Abstract

The utility model relates to a hand-held type spray gun convenient to dismantle, its technical scheme main points are: the powder charging device comprises a gun body, a gun head, a powder guide pipe, a gas-powder mixing pipe, a discharge needle for charging powder with negative electricity and a high-voltage bag for providing static electricity for the discharge needle; the gun head is in threaded connection with the head of the gun body; an output channel for outputting powder with negative electricity is arranged in the gun head; the discharge needle is arranged in the output channel; the powder guide pipe, the gas guide pipe and the gas-powder mixing pipe are all arranged in the gun body; one end of the gas guide pipe and one end of the powder guide pipe are both communicated with one end of the gas-powder mixing pipe; the other end of the gas-powder mixing pipe is communicated with the output channel; the high-voltage pack is electrically connected with the discharge needle; this application has convenient to detach and abluent effect.

Description

Handheld spray gun convenient to disassemble

Technical Field

The utility model relates to a spray gun technical field, more specifically say, it relates to a hand-held type spray gun convenient to dismantle.

Background

At present, electrostatic spraying is a coating method which utilizes the corona discharge principle to charge atomized coating under the action of a high-voltage direct-current electric field and is adsorbed on the surface of a positively charged substrate for discharge; atomized coatings generally refer to powders that are uniformly dispersed; in the case of coating by this method, the powder is usually atomized by means of an apparatus such as a spray gun to achieve uniform spraying.

In addition, current spray guns include: a gun body and a gun head; the rifle body is connected with the rifle head, and the powder is followed rifle head blowout through the rifle body, and rifle head department can remain the powder, and the rifle head is difficult to follow the rifle body and dismantles, leads to being difficult to remaining the powder on the rifle head and washs, consequently, it is very necessary with abluent convenient to detach's hand-held type spray gun to study a convenient to detach.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a convenient to detach's hand-held type spray gun has convenient to detach and cleaning function advantage.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a readily detachable handheld spray gun comprising: the powder charging device comprises a gun body, a gun head, a powder guide pipe, an air-powder mixing pipe, a discharge needle for charging powder with negative electricity and a high-voltage bag for providing static electricity for the discharge needle; the gun head is in threaded connection with the head of the gun body; an output channel for outputting powder with negative electricity is arranged in the gun head; the discharge needle is arranged in the output channel; the powder guide pipe, the gas guide pipe and the gas-powder mixing pipe are all arranged in the gun body; one end of the gas guide pipe and one end of the powder guide pipe are both communicated with one end of the gas-powder mixing pipe; the other end of the gas-powder mixing pipe is communicated with the output channel; the high-voltage pack is electrically connected with the discharge needle.

Optionally, the gun body includes: a barrel portion and a hand-held portion; the handheld part is fixedly connected with the tail part of the gun barrel part; the powder guide pipe and the air guide pipe are both arranged in the handheld part; the gas-powder mixing pipe is arranged in the gun barrel part; the high-pressure bag is arranged in the gun barrel part; the gun head is in threaded connection with the head of the gun barrel part.

Optionally, the method further includes: a powder pipe joint and a gas pipe joint; the powder pipe joint and the gas pipe joint are both arranged on the handheld part; the powder pipe joint is fixedly connected with the other end of the powder guide pipe; the air pipe joint is fixedly connected with the other end of the air guide pipe.

Optionally, the device further comprises an elbow; one end of the bent pipe is connected with one end of the gas-powder mixing pipe, and the other end of the bent pipe is connected with one end of the powder guide pipe.

Optionally, the lance tip comprises: the inner sleeve, the clamping ring and the outer sleeve; the outer peripheral surface of the inner sleeve on the inner peripheral surface of the clamping ring is fixedly connected; the outer peripheral surface of the clamping ring is clamped with the inner peripheral surface of the outer sleeve; the outer sleeve is in threaded connection with the head of the gun body; the inner side wall of the inner sleeve forms a conveying channel; the inner sleeve is provided with a conveying hole for outputting the powder in the output channel; the discharge needle is arranged in the inner sleeve.

Optionally, a diffusion plate is further included; the diffusion plate is arranged on the discharge needles.

Optionally, the device further comprises a hook; the hook is arranged on the gun body.

To sum up, the utility model discloses following beneficial effect has:

1. the gun head is connected with the head of the gun body through the threads, so that the gun head and the gun body can be detached, the gun head can be conveniently cleaned, and the discharge needle can be conveniently cleaned;

2. through the arrangement of the bent pipe, an included angle between the powder guide pipe and the gas-powder mixing pipe is an obtuse angle, so that powder in the powder guide pipe can easily enter the gas-powder mixing pipe, and the powder accumulation phenomenon is not easy to generate;

3. through the setting of couple, be convenient for lay of this spray gun, and be convenient for take of this spray gun.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is an assembly view of the present invention;

fig. 3 is an exploded view of the present invention;

FIG. 4 is a schematic view of the structure of the inner sleeve and the diffuser plate in the second embodiment.

In the figure: 1. a gun body; 11. a barrel portion; 12. a hand-held portion; 121. a powder pipe joint; 122. a gas pipe joint; 13. hooking; 2. a gun head; 21. an inner sleeve; 22. a snap ring; 23. an outer sleeve; 24. an output channel; 3. a powder guide pipe; 4. an air duct; 5. a gas-powder mixing pipe; 6. a discharge needle; 7. a high-voltage pack; 8. bending the pipe; 9. and a diffusion plate.

Detailed Description

In order to make the objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like are used for descriptive purposes only and are not intended to indicate or imply that the referenced device or element must be in a particular orientation, constructed and operated, and therefore should not be construed as limiting the present invention.

The present invention will be described in detail with reference to the accompanying drawings and examples.

Example one

The utility model provides a hand-held type spray gun convenient to dismantle, as shown in fig. 1-3, include:

the powder spraying gun comprises a gun body 1, a gun head 2, a powder guide pipe 3, a gas guide pipe 4, a gas-powder mixing pipe 5, a discharge needle 6 for charging powder with negative electricity and a high-voltage bag 7 for providing static electricity for the discharge needle 6; the gun head 2 is in threaded connection with the head of the gun body 1; an output channel 24 for outputting powder with negative electricity is arranged in the gun head 2; the discharge needles 6 are arranged in the output channel 24; the powder guide pipe 3, the gas guide pipe 4 and the gas-powder mixing pipe 5 are all arranged in the gun body 1; one end of the gas guide pipe 4 and one end of the powder guide pipe 3 are both communicated with one end of the gas-powder mixing pipe 5; the other end of the gas-powder mixing pipe 5 is communicated with an output channel 24; the high-voltage bag 7 is electrically connected with the discharge needle 6.

In practical application, powder enters the gas-powder mixing pipe 5 through the powder guide pipe 3, compressed gas is input to the gas-powder mixing pipe 5 through the gas guide pipe 4, the compressed gas conveys the powder in the gas-powder mixing pipe 5 to the output channel 24, so that the powder is output from the output channel 24, and in the process, the high-voltage bag 7 is electrified to generate static electricity for matching with the discharge needle 6 to charge the powder in the output channel 24 with negative electricity; through the threaded connection of rifle head 2 and the rifle body 1 head, realized dismantling of rifle head 2 and the rifle body 1, the dismouting of the rifle head 2 of being convenient for to the washing of rifle head 2 is convenient for, and then is convenient for wash discharge needle 6.

Further, as shown in fig. 1 and 2, the gun body 1 includes: a barrel portion 11 and a grip portion 12; the handheld part 12 is fixedly connected with the tail part of the gun barrel part 11; the powder guide pipe 3 and the air guide pipe 4 are both arranged in the handheld part 12; the gas-powder mixing pipe 5 is arranged in the gun barrel part 11; the high-pressure bag 7 is arranged in the gun barrel part 11; the gun head 2 is in threaded connection with the head of the gun barrel part 11.

In practical application, the handheld part 12 is held, so that the gun head 2 faces to a position to be sprayed, then powder is controlled to be output from the powder guide pipe 3, compressed gas is output from the gas guide pipe 4, the powder can be output from the output channel 24 through the gas-powder mixing pipe 5, and the powder with negative electricity is adsorbed to the position to be sprayed; the handheld portion 12 is the slope setting with barrel portion 11 in this application, through the setting of handheld portion 12, is convenient for through the position of handheld portion 12 control rifle head 2 to be convenient for control the spun position of powder, be convenient for carry out the spraying.

Further, as shown in fig. 1 and 2, the method further includes: powder pipe joint 121 and gas pipe joint 122; the powder pipe joint 121 and the gas pipe joint 122 are both arranged on the handheld part 12; the powder pipe joint 121 is fixedly connected with the other end of the powder guide pipe 3; the air pipe joint 122 is fixedly connected with the other end of the air pipe 4.

In practical application, the powder pipe joint 121 is connected to a powder supply pipeline for conveying powder into the powder guide pipe 3, and the gas pipe joint 122 is connected to a gas supply pipeline for conveying compressed gas into the gas guide pipe 4; all set up on handheld portion 12 through powder coupling 121 and adapter 122, be convenient for to carry the powder in the powder guide pipe 3 to and be convenient for carry compressed gas in the gas guide pipe 4, so that compressed gas mixes with the powder in gas-powder mixing tube 5, and outside with this spray gun of powder blowout through compressed gas.

Further, as shown in fig. 1, it also includes an elbow 8; one end of the bent pipe 8 is connected with one end of the gas-powder mixing pipe 5, and the other end of the bent pipe is connected with one end of the powder guide pipe 3; through the setting of return bend 8 for lead powder pipe 3 and 5 intercommunications of gas powder hybrid tube, and make the contained angle between powder pipe 3 and the gas powder hybrid tube 5 be the obtuse angle, make the powder in the powder pipe 3 change get into in the gas powder hybrid tube 5, difficult production long-pending powder phenomenon.

Further, as shown in fig. 1 and 2, the lance tip 2 comprises: an inner sleeve 21, a clamping ring 22 and an outer sleeve 23; the inner sleeve 21 on the inner circumferential surface of the clamping ring 22 is fixedly connected with the outer circumferential surface of the inner sleeve; the outer peripheral surface of the clamping ring 22 is clamped with the inner peripheral surface of the outer sleeve 23; the outer sleeve 23 is in threaded connection with the head of the gun body 1; the inner side wall of the inner sleeve 21 forms a conveying channel; the inner sleeve 21 is provided with a conveying hole for outputting the powder in the output channel 24; the discharge needles 6 are arranged in the inner sleeve 21.

In the application, the inner wall of the outer sleeve 23 is provided with an internal thread, and the head of the gun barrel part 11 is provided with an external thread; the conveying holes are long-strip-shaped, and the space for spraying the powder is reduced by the arrangement of the conveying holes, so that the spraying position of the powder is more conveniently controlled; through the cooperation of internal thread and external screw thread, realize outer tube 23 and the threaded connection of barrel portion 11, the threaded connection of outer tube 23 and barrel portion 11 of being convenient for.

Further, as shown in fig. 3, a hook 13 is further included; the hook 13 is arranged on the gun barrel part 11; through the setting of couple 13, be convenient for lay of this spray gun, if after finishing using, can hang this spray gun on wall or other buildings through couple 13, and through the mode of hanging, be convenient for take to this spray gun.

The utility model discloses a portable spray gun convenient to dismantle, through the threaded connection of rifle head 2 and rifle body 1 head, realized the dismantling of rifle head 2 and rifle body 1, the dismouting of the rifle head 2 of being convenient for to the washing of rifle head 2 of being convenient for, and then be convenient for to the washing of discharge needle 6; the bent pipe 8 is arranged, so that the powder guide pipe 3 is communicated with the gas-powder mixing pipe 5, and an included angle between the powder guide pipe 3 and the gas-powder mixing pipe 5 is an obtuse angle, so that powder in the powder guide pipe 3 can easily enter the gas-powder mixing pipe 5, and the powder accumulation phenomenon is not easy to generate; through the setting of couple 13, be convenient for lay of this spray gun, and be convenient for take of this spray gun.

Example two

As shown in fig. 4, the difference from the first embodiment is that a diffusion plate 9 is further included; the diffusion plate 9 is arranged on the discharge needles 6; specifically, the delivery hole is circular, one end of the discharge needle 6 is arranged in the inner sleeve 21, and the other end of the discharge needle passes through the delivery hole and extends out of the inner sleeve 21; the diffusion plate 9 is arranged at the other end of the discharge needle 6; the arrangement of the diffusion plate 9 facilitates the powder sprayed from the inner sleeve 21, namely, the powder sprayed from the conveying holes to be diffused more uniformly to the periphery, so that the atomization effect of the powder sprayed by the spray gun is better.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A hand-held spray gun convenient to dismantle, characterized by, includes: the powder charging device comprises a gun body, a gun head, a powder guide pipe, an air-powder mixing pipe, a discharge needle for charging powder with negative electricity and a high-voltage bag for providing static electricity for the discharge needle; the gun head is in threaded connection with the head of the gun body; an output channel for outputting powder with negative electricity is arranged in the gun head; the discharge needle is arranged in the output channel; the powder guide pipe, the gas guide pipe and the gas-powder mixing pipe are all arranged in the gun body; one end of the gas guide pipe and one end of the powder guide pipe are both communicated with one end of the gas-powder mixing pipe; the other end of the gas-powder mixing pipe is communicated with the output channel; the high-voltage pack is electrically connected with the discharge needle.

2. The easy to detach hand-held spray gun of claim 1 wherein the gun body comprises: a barrel portion and a hand-held portion; the handheld part is fixedly connected with the tail part of the gun barrel part; the powder guide pipe and the air guide pipe are both arranged in the handheld part; the gas-powder mixing pipe is arranged in the gun barrel part; the high-pressure bag is arranged in the gun barrel part; the gun head is in threaded connection with the head of the gun barrel part.

3. The easy to detach hand-held spray gun of claim 2 further comprising: a powder pipe joint and a gas pipe joint; the powder pipe joint and the gas pipe joint are both arranged on the handheld part; the powder pipe joint is fixedly connected with the other end of the powder guide pipe; the air pipe joint is fixedly connected with the other end of the air guide pipe.

4. The easy-to-detach handheld spray gun of claim 3 further comprising an elbow; one end of the bent pipe is connected with one end of the gas-powder mixing pipe, and the other end of the bent pipe is connected with one end of the powder guide pipe.

5. The easy to detach handheld spray gun of claim 1 wherein the lance tip comprises: the inner sleeve, the clamping ring and the outer sleeve; the outer peripheral surface of the inner sleeve on the inner peripheral surface of the clamping ring is fixedly connected; the outer peripheral surface of the clamping ring is clamped with the inner peripheral surface of the outer sleeve; the outer sleeve is in threaded connection with the head of the gun body; the inner side wall of the inner sleeve forms a conveying channel; the inner sleeve is provided with a conveying hole for outputting the powder in the output channel; the discharge needle is arranged in the inner sleeve.

6. The easy-to-detach handheld spray gun according to any one of claims 1 to 5, further comprising a diffuser plate; the diffusion plate is arranged on the discharge needles.

7. The easy-to-detach handheld spray gun according to any one of claims 1 to 5, further comprising a hook; the hook is arranged on the gun body.