Double-fluid aerial fog spray gun

By setting a partition plate inside the gun body and a spiral blade inside the mixing cylinder, and using an electric motor to drive the rotating shaft to rotate the spiral blade, the problem of uneven mixing in dual-fluid aerosol spray guns is solved, achieving uniform mixing of fluids and improving spraying effect.

CN223875273UActive Publication Date: 2026-02-06JIANGSU MINWEI MECHANICAL & ELECTRICAL CO LTD
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Patent Information

Application Number
CN202423161971.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2026-02-06
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

The existing dual-fluid aerosol spray gun has a simple structure and lacks a mixing structure in the mixing chamber, resulting in uneven mixing of the two fluids.

Method used

A partition plate is installed inside the gun body to divide it into two chambers, and a spiral blade is installed inside the mixing cylinder. An electric motor drives the drive shaft to rotate the rotating shaft and the spiral blade, so as to achieve full mixing of the fluid.

Benefits of technology

This achieves uniform mixing of the two fluids, improving coating quality and efficiency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223875273U_ABST
    Figure CN223875273U_ABST
Patent Text Reader

Abstract

The utility model provides a double-fluid aerial fog spray gun, which belongs to the technical field of aerial fog spray guns and comprises a gun body, a nozzle and a spray nozzle. The partition plate is fixed on the inner wall of the gun body and divides the interior of the gun body into two cavities; one end of the mixing barrel is mounted on one side of the gun body; the connecting mechanism is connected with the mixing barrel so as to fix the mixing barrel at the end part of the gun body; the atomizing head is connected to the other side end of the mixing barrel; the two mounting plates are fixed on the inner wall of the mixing barrel; the rotating shaft is rotationally connected to the two mounting plates; the spiral sheet is fixed on the circumferential surface of the rotating shaft; according to the mixing device disclosed by the utility model, the spiral sheet is arranged in the mixing cylinder, so that when two fluids enter the mixing cylinder from the two cavities respectively, the driving shaft is driven to rotate by starting of the electric motor, the driving shaft drives the rotating shaft to rotate through the connecting shaft, the rotating shaft drives the spiral sheet to rotate, and the rotating spiral sheet can better mix the two fluids.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of gas mist spray gun, specifically relates to a double-fluid gas mist spray gun. BACKGROUND

[0002] Double-fluid gas mist spray gun is a kind of tool for spraying operation, and its working principle is based on the mixing and atomization of double-fluid.It is mainly composed of spray gun body, and the spray gun body includes gun body, gun head and gun handle.Independent paint channel and gas channel are arranged in the gun body, the paint channel is connected with external paint supply device to introduce the paint to be sprayed, and the gas channel is connected with external gas source to provide power for atomization process.A mixing chamber is arranged at the gun head portion, and the paint channel and the gas channel are both connected to the mixing chamber, so that the paint and the gas are fully mixed.The outlet of the mixing chamber is equipped with atomizing nozzle, and the mixed paint and gas are converted into fine mist and sprayed out, so that uniform spraying on the surface of target object is realized.

[0003] The existing double-fluid gas mist spray gun structure is relatively simple, and does not have a mixing structure in the mixing chamber, so that the two fluids entering the mixing chamber are prone to uneven mixing when mixing. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a double-fluid gas mist spray gun, and aims at solving the problem that the double-fluid gas mist spray gun structure in the prior art is relatively simple, does not have a mixing structure in the mixing chamber, so that the two fluids entering the mixing chamber are prone to uneven mixing when mixing.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A double-fluid gas mist spray gun, comprising:

[0007] Gun body;

[0008] Partition plate, fixed on the inner wall of the gun body, divides the gun body into two chambers;

[0009] Mixing cylinder, one end of which is installed on one side of the gun body;

[0010] Connecting mechanism, connected with the mixing cylinder to realize fixing the mixing cylinder to the end of the gun body;

[0011] Atomizing head, connected to the other side end of the mixing cylinder;

[0012] Two mounting plates are arranged, and both are fixed on the inner wall of the mixing cylinder;

[0013] Shaft, rotatably connected to the two mounting plates;

[0014] Spiral piece, fixed on the circumferential surface of the rotating shaft;

[0015] Drive shaft, movably penetrating the partition plate and extending outward, the extending end of the drive shaft being connected with the rotating shaft;

[0016] Electric motor, fixed on one side end of the gun body, and the output end of the electric motor movably penetrating into the gun body and being fixed with the end of the drive shaft.

[0017] As a preferred scheme of the utility model, the circumferential surface of the drive shaft is fixed with two limiting blocks, one end of the rotating shaft is fixed with a connecting shaft, two limiting grooves are formed in the circumferential inner wall of the connecting shaft, and the connecting shaft is aligned with the two limiting blocks and is sleeved on the surface of the drive shaft through the two limiting grooves.

[0018] As a preferred scheme of the utility model, the connection part of the gun body and the mixing cylinder is provided with a threaded groove, and a threaded sleeve is threadedly connected at the threaded groove.

[0019] As a preferred scheme of the utility model, a plurality of positioning holes are formed in one side end of the gun body, a plurality of positioning rods are fixed on one side end of the mixing cylinder, and the plurality of positioning rods are movably inserted into the plurality of positioning holes.

[0020] As a preferred scheme of the utility model, the circumferential surface of the mixing cylinder is fixed with a fixing ring, the end of the threaded sleeve is fixed with a pushing ring, the pushing ring is slidingly connected to the circumferential surface of the mixing cylinder, the fixing ring is located in the pushing ring, the cross section of the pushing ring is inverted "concave", and one side end of the mixing cylinder is fixed with a sealing ring.

[0021] As a preferred scheme of the utility model, the circumferential surface of the gun body is fixed with a rear handle, and the circumferential surface of the mixing cylinder is fixed with a front handle.

[0022] As a preferred scheme of the utility model, one side end of the gun body is further fixed with a paint pipe and an air pipe, and the paint pipe and the air pipe are connected with the two chambers respectively.

[0023] Compared with the prior art, the utility model has the advantages that:

[0024] 1、In the utility model, the spiral piece arranged in the mixing cylinder can drive the drive shaft to rotate through the electric motor when two kinds of fluids enter the mixing cylinder from the two chambers, the rotating shaft is driven to rotate through the connecting shaft, and the rotating spiral piece can better mix the two kinds of fluids.

[0025] 2、The utility model discloses a connecting mechanism is equipped with, can connect the gun body and mixed cylinder, and the threaded sleeve can drive the push ring to move simultaneously, and the push ring moves simultaneously and makes abuts fixed ring, can better connect the gun body and mixed cylinder together, and cooperate with the sealing ring that is equipped with, can make the gun body and mixed cylinder connect after better sealing. BRIEF DESCRIPTION OF DRAWINGS

[0026] The accompanying drawings are included to provide a further understanding of the present utility model, and constitute a part of the specification, and are used together with the embodiments of the present utility model to explain the present utility model, and do not constitute the limitation to the present utility model. In the drawings:

[0027] Figure 1 It is the perspective view in the utility model;

[0028] Figure 2 It is the explosion view in the utility model;

[0029] Figure 3 It is the partial explosion view in the utility model;

[0030] Figure 4 It is the sectional view in the utility model.

[0031] In the drawing: 1, gun body;2, mixed cylinder;3, atomizing head;4, partition;5, electric motor;6, drive shaft;7, limit block;8, connecting shaft;9, limit slot;10, threaded groove;11, threaded sleeve;12, push ring;13, fixed ring;14, rotating shaft;15, helical blade;16, mounting plate;18, positioning hole;19, positioning rod;20, rear handle;21, front handle;22, sealing ring;23, paint pipe;24, air pipe. DETAILED DESCRIPTION

[0032] The technical scheme in the embodiments of the present utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all the embodiments, and all other embodiments obtained by the person skilled in the art without creative labor based on the embodiments in the present utility model belong to the protection scope of the present utility model.

[0033] EMBODIMENT

[0034] Please refer to Figures 1-4 The utility model provides the following technical scheme:

[0035] A double-fluid gas mist spray gun, comprising:

[0036] Gun body 1;

[0037] The partition plate 4 is fixed to the inner wall of the gun body 1, and divides the gun body 1 into two chambers;

[0038] The mixing barrel 2 is installed at one side of the gun body 1;

[0039] The connecting mechanism is connected with the mixing barrel 2 to fix the mixing barrel 2 to the end of the gun body 1;

[0040] The atomizing head 3 is connected to the other side end of the mixing barrel 2;

[0041] The mounting plates 16 are provided with two, and are fixed to the inner wall of the mixing barrel 2;

[0042] The rotating shaft 14 is rotatably connected to the two mounting plates 16;

[0043] The helical blade 15 is fixed to the circumferential surface of the rotating shaft 14;

[0044] The driving shaft 6 is movably penetrated through the partition plate 4 and outwardly extends, and the extending end of the driving shaft 6 is connected with the rotating shaft 14;

[0045] The electric motor 5 is fixed to one side end of the gun body 1, and the output end of the electric motor 5 is movably penetrated into the gun body 1 and fixed to the end of the driving shaft 6.

[0046] In the embodiment of the utility model, the gun body is composed of the gun body 1, the mixing barrel 2 and the atomizing head 3, the partition plate 4 divides the gun body 1 into two chambers, which are the paint chamber and the gas chamber respectively, and is connected with the external supply device through the paint pipe 23 and the gas pipe 24 respectively, the atomizing head 3 plays a role of atomizing and spraying the mixture, it needs to be explained that how the paint pipe 23 and the gas pipe 24 are connected with the external supply device to realize the fluid supply into the gun body 1 is the common knowledge of the person skilled in the art, and how the atomizing head 3 atomizes is also the common knowledge of the person skilled in the art, and how to supply the fluid and atomize does not belong to the object protected by the utility model, and the electric motor 5 also belongs to the prior art, therefore, the part is not described in detail, the electric motor 5 drives the driving shaft 6 to rotate, the driving shaft 6 can drive the rotating shaft 14 to rotate through the connecting shaft 8, the mounting plate 16 is used for supporting the rotating shaft 14 and is rotatably connected with the rotating shaft 14, the rotating shaft 14 can make the helical blade 15 rotate, therefore, the fluid from the two chambers into the mixing barrel 2 can be fully mixed under the driving of the rotating helical blade 15, and finally is sprayed through the atomizing head 3, the atomizing head 3 is screw-connected to the end of the mixing barrel 2 to facilitate dismounting.

[0047] Specifically, the circumferential surface of the driving shaft 6 is fixed with two limiting blocks 7, one end of the rotating shaft 14 is fixed with the connecting shaft 8, the circumferential inner wall of the connecting shaft 8 is provided with two limiting grooves 9, and the connecting shaft 8 is aligned with the two limiting blocks 7 and is sleeved on the surface of the driving shaft 6 through the two limiting grooves 9.

[0048] In the embodiment: by setting the limiting block 7 and the connecting shaft 8, the connecting shaft 8 is sleeved on the surface of the driving shaft 6 through two limiting grooves 9 respectively aligned with two limiting blocks 7, the limiting block 7 is embedded in the limiting groove 9, the driving shaft 6 drives the connecting shaft 8 to rotate when the driving shaft 6 rotates, so that the rotating shaft 14 rotates.

[0049] Specifically, the connection between the gun body 1 and the mixing cylinder 2 is provided with a threaded groove 10, and a threaded sleeve 11 is threadedly connected at the threaded groove 10 on the surface of the gun body 1 and the mixing cylinder 2.

[0050] In the embodiment: when the gun body 1 and the mixing cylinder 2 are abutted, the threaded sleeve 11 is threadedly connected at the threaded groove 10 on the surface of the gun body 1 and the mixing cylinder 2, which can fix the two, and is convenient to disassemble and replace.

[0051] Specifically, a plurality of positioning holes 18 are formed in one side end of the gun body 1, and a plurality of positioning rods 19 are fixed to one side end of the mixing cylinder 2, and the plurality of positioning rods 19 are respectively movably inserted into the plurality of positioning holes 18.

[0052] In the embodiment: when the threaded sleeve 11 threadedly connects the gun body 1 and the mixing cylinder 2, the mixing cylinder 2 is aligned with the gun body 1, and the plurality of positioning rods 19 are inserted into the plurality of positioning holes 18, and the positioning hole 18 and the positioning rod 19 are respectively provided with three and are distributed in a triangular shape, which can better fix the gun body 1 and the mixing cylinder 2, so that the threads on the gun body 1 and the mixing cylinder 2 are aligned, and the threaded sleeve 11 is conveniently threadedly connected to fix the gun body 1 and the mixing cylinder 2.

[0053] Specifically, a fixed ring 13 is fixed to the circumferential surface of the mixing cylinder 2, an end of the threaded sleeve 11 is fixed with a pushing ring 12, the pushing ring 12 is slidingly connected to the circumferential surface of the mixing cylinder 2, the fixed ring 13 is located in the pushing ring 12, the cross section of the pushing ring 12 is inverted "concave", and a sealing ring 22 is fixed to one side end of the mixing cylinder 2.

[0054] In the embodiment: when the threaded sleeve 11 is threadedly connected to the gun body 1, the pushing ring 12 will rotate and move, and because the cross section of the pushing ring 12 is inverted "concave", the inner wall of the pushing ring 12 will abut against the fixed ring 13 when the pushing ring 12 moves, and the fixed ring 13 is driven to the side close to the gun body 1, and through the sealing ring 22, the sealing ring 22 is extruded on the gun body 1 close to the mixing cylinder 2, so that the gun body 1 and the mixing cylinder 2 are connected and the sealing property is stronger.

[0055] Specifically, a rear handle 20 is fixed to the circumferential surface of the gun body 1, and a front handle 21 is fixed to the circumferential surface of the mixing cylinder 2.

[0056] In the embodiment: through the rear handle 20 and the front handle 21, the two are distributed in front and back, which is convenient to hold the gun body.

[0057] The working principle and use process of the utility model: when using the device, firstly splice the gun body 1, the mixing cylinder 2 and the atomizing head 3, the atomizing head 3 is screwed on the mixing cylinder 2, when the mixing cylinder 2 is connected on the gun body 1, make the limiting block 7 and the limiting slot 9 align, and the three positioning holes 18 and the positioning rod 19 align, slide the side close to the gun body 1, then make the threaded sleeve 11 screw on the threaded groove 10 on the gun body 1, make the mixing cylinder 2 and the gun body 1 connect more sealed by pushing the ring 12 against the fixed ring 13,

[0058] At this time, use the paint pipe 23 and the air pipe 24 to pass two kinds of fluid into the gun body 1, and move the electric motor 5, the electric motor 5 drives the driving shaft 6 to rotate, the driving shaft 6 can drive the rotating shaft 14 to rotate through the connecting shaft 8, the mounting plate 16 is used for supporting the rotating shaft 14, and the rotating shaft 14 is rotatably connected with the rotating shaft 14, the rotating shaft 14 can make the helical blade 15 rotate, therefore the fluid from the two cavities into the mixing cylinder 2 can be fully mixed under the driving of the rotating helical blade 15, and finally sprayed through the atomizing head 3.

[0059] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A dual fluid aerosol spray gun characterized by, The utility model relates to a kind of spray gun, including: Gun body (1); Partition plate (4), fixed on the inner wall of the gun body (1), the gun body (1) is divided into two chambers by it; Mixing cylinder (2), one end is installed in the side of the gun body (1); Connecting mechanism, with the mixing cylinder (2) is connected to realize its fixed end of the gun body (1); Atomizing head (3), is connected to the other side end of the mixing cylinder (2); Mounting plate (16), it is equipped with two, and is fixed on the inner wall of the mixing cylinder (2); Rotating shaft (14), is rotatably connected on two mounting plates (16); Spiral blade (15), is fixed on the circumferential surface of the rotating shaft (14); Drive shaft (6), is movably penetrated partition plate (4) and extends outward, and the extension end of the drive shaft (6) is connected with the rotating shaft (14); Electric motor (5), is fixed on the side end of the gun body (1), and the output end of the electric motor (5) is movably penetrated to the gun body (1) with the end of the drive shaft (6) fixed.

2. A dual fluid aerosol spray gun according to claim 1 wherein, The circumferential surface of the drive shaft (6) is fixed with two limit blocks (7), one end of the rotating shaft (14) is fixed with connecting shaft (8), two limit grooves (9) are formed in the circumferential inner wall of the connecting shaft (8), and the connecting shaft (8) is aligned with two limit blocks (7) respectively through two limit grooves (9) and is sleeved on the surface of the drive shaft (6).

3. A dual fluid aerosol spray gun according to claim 2 wherein, Threaded groove (10) is arranged at the connection between the gun body (1) and the mixing cylinder (2), and the threaded sleeve (11) is screwed in the threaded groove (10).

4. A dual fluid aerosol spray gun according to claim 3 wherein, A plurality of positioning holes (18) are formed in the side end of the gun body (1), and a plurality of positioning rods (19) are fixed on the side end of the mixing cylinder (2), and the plurality of positioning rods (19) are movably inserted into the plurality of positioning holes (18) respectively.

5. A dual fluid aerosol spray gun according to claim 4 wherein, The circumferential surface of the mixing cylinder (2) is fixed with a fixing ring (13), the end of the threaded sleeve (11) is fixed with a pushing ring (12), the pushing ring (12) is slidingly connected to the circumferential surface of the mixing cylinder (2), the fixing ring (13) is located in the pushing ring (12), the cross section of the pushing ring (12) is concave, and the side end of the mixing cylinder (2) is fixed with a sealing ring (22).

6. A dual fluid aerosol spray gun according to claim 5 wherein, The circumferential surface of the gun body (1) is fixed with a rear handle (20), and the circumferential surface of the mixing cylinder (2) is fixed with a front handle (21).

7. A dual fluid aerosol spray gun according to claim 6 wherein, The side end of the gun body (1) is also fixed with a paint pipe (23) and an air pipe (24), and the paint pipe (23) and the air pipe (24) are connected with the two chambers respectively.