Powder electrostatic hand spray gun

By adding a shielding shell and a protective shell to the nozzle of the electrostatic powder spray gun, the problems of powder splashing and easy nozzle damage are solved, achieving more efficient spraying and nozzle protection, and improving the performance of the spray gun.

CN223570969UActive Publication Date: 2025-11-21CHANGZHOU MINGJIE INTELLIGENT EQUIP CO LTD
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Patent Information

Application Number
CN202423025618.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2025-11-21
Estimated Expiration
2034-12-09

AI Technical Summary

Technical Problem

Existing electrostatic powder spray guns are prone to powder splattering during use, and the nozzles are easily damaged or clogged, resulting in poor spraying effect and insufficient protective performance.

Method used

A powder electrostatic hand spray gun was designed, with a detachable shield and a protective shell on the outside of the nozzle. The shield is fixed by a magnetic ring, and the protective shell is connected by a thread, which are used to prevent powder from splashing and to protect the nozzle, respectively.

Benefits of technology

It effectively prevents powder splashing, improves spraying efficiency and environmental protection, protects nozzles from collisions and foreign object blockage, and extends the service life of spray guns.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223570969U_ABST
    Figure CN223570969U_ABST
Patent Text Reader

Abstract

The utility model relates to a powder electrostatic hand spray gun which comprises a spray gun body, a spray head is arranged on the side face of the spray gun body, a nozzle is connected to the side face of the spray head in an embedded mode, a shielding shell is arranged outside the spray head, a shielding cover is fixedly connected to the side face of the shielding shell, and the shielding shell is symmetrically distributed. The shielding shells are spliced together, and the outer portion of the shielding cover is fixedly connected with a handle. According to the spray gun, the detachable shielding shell is additionally arranged outside the spray head, so that the spray nozzle on the spray head is protected in the use process of the spray gun, most of powder is attached to a sprayed object when the powder is sprayed out of the spray nozzle in the subsequent use process, meanwhile, the powder of different degrees is splashed out, and the spraying effect of the spray gun is improved. When the powder is splashed, the powder can be blocked by the blocking shell and the blocking cover, so that the negative influence of the splashed powder on the surrounding environment is avoided, the powder blocking function is well achieved, and the practicability is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of powder spray gun, concretely to powder electrostatic hand spray gun. BACKGROUND

[0002] The powder electrostatic hand spray gun is a device for implementing paint and powder paint, is a paint atomizer and an electrostatic electrode generator, and is different from traditional solvent-based paint, does not discharge polluting gas or liquid in the coating process, is very environmentally friendly to processing environment or the processed itself, and has become one of indispensable means in the surface treatment industry.

[0003] According to the public patent CN210585456U, the powder spray gun body is fixedly connected with the output end of the soft tube, the output end of the soft tube is fixedly connected with the connecting head, the outer wall of the connecting head is movably connected with the nozzle, the outer wall of the powder spray gun body is fixedly connected with the U-shaped plate and the motor, the lower surface of the U-shaped plate is fixedly connected with the deflection mechanism, the top end of the deflection mechanism is fixedly connected with the outer wall of the connecting head, and the outer wall of the powder spray gun body is fixedly connected with the auxiliary mechanism. The utility model can reduce the labor intensity of workers, greatly save the physical strength of workers, avoid the problem of arm soreness and fatigue of workers, reduce the rest time, and further improve the efficiency of workers' spraying operation.

[0004] In the process of realizing the utility model, it is found that at least the following problems in the prior art have not been solved: 1. The traditional powder electrostatic hand spray gun is used in the form of spraying, so that the paint will splash out from around the nozzle during implementation, thereby affecting the surrounding environment of the spray gun, and the shielding effect of the powder splash is poor; 2. Most of the powder electrostatic hand spray guns have poor shielding effect of the powder splash, and the key to the spraying structure is the nozzle. Once the nozzle is damaged or blocked by foreign matter, the spraying effect of the spray gun will be poor, and even the phenomenon of being unable to use will occur, and the protection performance is poor. Therefore, a new technical scheme needs to be designed to solve the problem. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the defects of the prior art, adapting to the actual needs, and providing a powder electrostatic hand spray gun to solve the technical problem of poor shielding effect of the powder splash of the current powder electrostatic hand spray gun.

[0006] In order to achieve the purpose of the utility model, the utility model adopts the technical scheme that designs a powder electrostatic hand spray gun, comprising a spray gun main body, a spray head is arranged on the side of the spray gun main body, the spray head is connected with a spray nozzle through the way of inlaying on the side of the spray head, a shielding shell is arranged on the outside of the spray head, a cover is fixedly connected on the side of the shielding shell, the shielding shells are symmetrically distributed, the shielding shells are spliced together, a handle is fixedly connected on the outside of the cover, and an arc-shaped opening is arranged on the front end of the cover.

[0007] Preferably, an annular plate is fixedly connected on the outside of the spray head, a magnetic ring is fixedly connected on the side of the annular plate, a metal strip is fixedly connected on the back of the shielding shell, and the metal strip is embedded in the inside of the magnetic ring.

[0008] Preferably, a conveying pipe is arranged on the bottom of the spray gun main body, the conveying pipe is communicated with the spray head, a trigger is arranged on the side of the spray gun main body, an external interface is arranged on the bottom of the spray gun main body, and a hook is arranged on the top of the spray gun main body.

[0009] Preferably, a feeding pipe is arranged on the bottom of the spray gun main body, the top of the feeding pipe is communicated with the conveying pipe, and the other end of the conveying pipe is communicated with the spray head.

[0010] Preferably, a protective shell is arranged in front of the spray head, the protective shell is arranged on the outside of the spray nozzle, an anti-skid block is fixedly connected on the side of the protective shell, an external thread ring is fixedly connected in front of the spray head, and the protective shell is connected with the external thread ring through the way of thread connection.

[0011] Preferably, a protective pad is connected in the inside of the protective shell through the way of adhesion, and an external thread block is fixedly connected on the top of the spray gun main body.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The utility model discloses a powder electrostatic hand spray gun, comprising a spray gun main body, a spray head is arranged on the side of the spray gun main body, the spray head is connected with a spray nozzle through the way of inlaying on the side of the spray head, a shielding shell is arranged on the outside of the spray head, a cover is fixedly connected on the side of the shielding shell, the shielding shells are symmetrically distributed, the shielding shells are spliced together, a handle is fixedly connected on the outside of the cover, and an arc-shaped opening is arranged on the front end of the cover.

[0014] 2. The utility model discloses a protective shell structure is installed to the outside of the nozzle to can completely cover the whole nozzle, when the spray gun is used, when it is idle after use, can use the protective shell structure to play the effect of protection, only need to twist the protective shell and enter the outer thread ring of the front of the spray head, so can isolate the nozzle and the external space, can better avoid the collision of external things to the nozzle and the phenomenon of some foreign matter blockage, better improve the protection effect of the nozzle. BRIEF DESCRIPTION OF DRAWINGS

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

[0016] Figure 2 It is the spray head structure schematic diagram of the utility model;

[0017] Figure 3 It is the shielding shell structure schematic diagram of the utility model;

[0018] Figure 4 It is the protective shell of the utility model.

[0019] In the drawing: 1, spray gun main part;2, delivery pipe;3, feed pipe orifice;4, external interface;5, hook;6, trigger;7, spray head;8, nozzle;9, outer thread block;10, outer thread ring;11, protective shell;12, protective pad block;13, antiskid block;14, annular plate;15, magnetic attraction ring;16, shielding shell;17, cover;18, handle;19, metal strip;20, arc mouth. DETAILED DESCRIPTION

[0020] The utility model is further explained below in connection with the drawings and examples:

[0021] Example 1: powder electrostatic hand spray gun, refer to Figures 1 to 4, including the lance body 1, the side of the lance body 1 is provided with a spray head 7, the side of the spray head 7 is connected with a nozzle 8 in an inlaid manner, the outside of the spray head 7 is provided with a shielding shell 16, the side of the shielding shell 16 is fixedly connected with a cover 17, the shielding shell 16 is in a symmetrical distribution form and is spliced together, since the shielding shell 16 is provided in a two-piece structure, the assembly and installation thereof are facilitated, the outside of the cover 17 is fixedly connected with a handle 18, an arc-shaped opening 20 is formed at the front end position of the cover 17, by additionally providing the detachable shielding shell 16 outside the spray head 7, during the use of the spray gun, only the two-piece shielding shell 16 needs to be embedded into the inside of the magnetic ring 15, so that the installation work of the shielding shell 16 can be realized, so as to protect the nozzle 8 on the spray head 7, so that during the subsequent use, most of the powder sprayed from the nozzle 8 adheres to the sprayed object, and the different degrees of powder splashed out are blocked by the shielding shell 16 and the cover 17, thereby avoiding the negative influence of the splashed powder on the surrounding environment, and better achieving the powder shielding function.

[0022] Specifically, referring to Figures 1 to 4 The outside of the spray head 7 is fixedly connected with a ring-shaped plate 14, the side of the ring-shaped plate 14 is fixedly connected with a magnetic ring 15, the back of the shielding shell 16 is fixedly connected with a metal strip 19, the metal strip 19 is embedded into the inside of the magnetic ring 15, and the ring-shaped plate 14 and the shielding shell 16 are connected in a magnetic attraction manner, so that the installation thereof is facilitated.

[0023] Further, referring to Figures 1 to 4 The bottom of the lance body 1 is provided with a conveying pipe 2, the conveying pipe 2 communicates with the spray head 7, the side of the lance body 1 is provided with a trigger 6, the bottom of the lance body 1 is provided with an external interface 4, and the top of the lance body 1 is provided with a hook 5, since the hook 5 is provided, the staff can conveniently hang and place the spray gun, and the operation is facilitated.

[0024] It is worth noting that, referring to Figures 1 to 4 The bottom of the lance body 1 is provided with a feeding pipe opening 3, the top of the feeding pipe opening 3 communicates with the conveying pipe 2, and the other end of the conveying pipe 2 communicates with the spray head 7, since the conveying pipe 2 is made of hard material, the service life of the structure can be better improved, and damage will not easily occur when being collided.

[0025] It is worth noting that, referring to Figures 1 to 4The front of the spray head 7 is provided with a protective shell 11, which covers the outside of the nozzle 8, the side of the protective shell 11 is fixedly connected with an anti-skid block 13, the front of the spray head 7 is fixedly connected with an external thread ring 10, the protective shell 11 is connected with the external thread ring 10 in a threaded manner, the protective shell 11 structure is installed on the outside of the nozzle 8, so that the entire nozzle 8 can be completely covered, when it is idle after use, the protective shell 11 structure can be used to protect the nozzle 8, only need to screw the protective shell 11 into the external thread ring 10 in front of the spray head 7, so that the nozzle 8 is isolated from the outside space, so that the collision of external things on the nozzle 8 and the blockage of foreign matters can be avoided, and the protection effect of the nozzle 8 is improved.

[0026] It is worth mentioning that, referring to Figures 1 to 4 The inside of the protective shell 11 is connected with a protective pad 12 in a bonding manner, the top of the spray gun body 1 is fixedly connected with an external thread block 9, due to the external thread block 9, in order to avoid the loss of the protective shell 11, it can be stored on the external thread block 9.

[0027] In the process of using the spray gun, only need to connect the spray gun and the powder container and the pressurizing equipment or control device, then can operate the spray gun to realize the effect of powder spraying, at the same time, since the detachable shielding shell 16 is additionally arranged outside the spray head 7, the shielding effect can be realized by using the shielding shell 16, only need to embed the two half shielding shells 16 into the inside of the magnetic ring 15, the metal strip 19 at the tail of the shielding shell 16 is connected in the inside of the magnetic ring 15 by magnetic attraction, so that the installation work of the shielding shell 16 is realized, the nozzle 8 on the spray head 7 is protected, when the powder is sprayed from the nozzle 8 in the subsequent use process, most of the powder is attached to the sprayed object, at the same time, the different degree of powder splashing is blocked by the shielding shell 16 and the cover 17, so that the negative influence of the splashing powder on the surrounding environment is avoided, the powder shielding function is better, finally, when the spray gun is limited after use, the protective shell 11 structure is arranged outside the nozzle 8, so that the whole nozzle 8 is completely covered, the protection effect can be realized by using the protective shell 11 structure, only need to screw the protective shell 11 into the external thread ring 10 in front of the spray head 7, so that the nozzle 8 is isolated from the external space, so that the collision of external things on the nozzle 8 and the phenomenon of some foreign matter blocking can be avoided, the protection effect of the nozzle 8 is better improved, when the spray gun is used, only need to unscrew the protective shell 11 and screw it on the external thread block 9 for fixing, so that the protective shell 11 is not easy to lose when used.

[0028] In addition, the components designed in the utility model are general standard components or components known by those skilled in the art, the structure and principle of which can be known by the technical personnel through a technical manual or through a conventional experimental method, and the technical personnel in the art can completely realize it without further description, and the content protected by the utility model does not involve improvement of the internal structure and method.

[0029] The embodiments of the utility model disclose preferable embodiments, but are not limited to this, and those skilled in the art can easily understand the spirit of the utility model according to the above-mentioned embodiments, and make different inferences and changes, but as long as it does not deviate from the spirit of the utility model, it is within the protection scope of the utility model.

Claims

1. A powder electrostatic hand spray gun, comprising a spray gun body (1), characterized in that, The spray gun body (1) has a nozzle (7) on its side. The nozzle (7) is connected to a nozzle (8) by an inlay. The nozzle (7) has a shield (16) on its outside. The shield (16) is fixedly connected to a cover (17) on its side. The shield (16) is symmetrically distributed and spliced ​​together. The cover (17) is fixedly connected to a handle (18) on its outside. The cover (17) has an arc-shaped opening (20) at its front end.

2. The powder electrostatic hand spray gun as described in claim 1, characterized in that, The nozzle (7) is fixedly connected to an annular plate (14), and a magnetic ring (15) is fixedly connected to the side of the annular plate (14). A metal strip (19) is fixedly connected to the back of the shielding shell (16), and the metal strip (19) is embedded inside the magnetic ring (15).

3. The powder electrostatic hand spray gun as described in claim 1, characterized in that, The bottom of the spray gun body (1) is provided with a delivery pipe (2), which is connected to the nozzle (7). The side of the spray gun body (1) is provided with a trigger (6). The bottom of the spray gun body (1) is provided with an external interface (4). The top of the spray gun body (1) is provided with a hook (5).

4. The powder electrostatic hand spray gun as described in claim 3, characterized in that, The bottom of the spray gun body (1) is provided with a feed inlet (3), the top of the feed inlet (3) is connected to the conveying pipe (2), and the other end of the conveying pipe (2) is connected to the nozzle (7).

5. The powder electrostatic hand spray gun as described in claim 1, characterized in that, The nozzle (7) is provided with a protective shell (11) in front of it. The protective shell (11) covers the outside of the nozzle (8). The anti-slip block (13) is fixedly connected to the side of the protective shell (11). The external threaded ring (10) is fixedly connected to the front of the nozzle (7). The protective shell (11) is connected to the external threaded ring (10) by a threaded connection.

6. The powder electrostatic hand spray gun as described in claim 5, characterized in that, The protective shell (11) is connected to the protective pad (12) by adhesive bonding, and the top of the spray gun body (1) is fixedly connected to the external thread block (9).

Citation Information

Patent Citations

  • Novel manual electrostatic powder spray gun

    CN210585456U