Spray gun convenient to disassemble and assemble quickly

Abstract

The utility model relates to the field of spray guns, in particular to a spray gun convenient to quickly disassemble and assemble, which comprises a gun barrel, one end of the gun barrel extends along the axial direction to form a spraying end, the other end of the gun barrel extends along the axial direction to form a holding end, a mounting plate is detachably inserted on the spraying end, and a through mounting hole is formed on the mounting plate. A through hole is formed in the mounting plate, a lantern ring used for adjusting the hole diameter is coaxially and detachably inserted in the mounting hole, a through sleeving hole is formed in the lantern ring, and a positioning buckle capable of penetrating through the through hole and being clamped on the mounting plate is formed at one end of the lantern ring. A user can conveniently adjust the opening and closing of the air inlet at any time in the operation process, so that accurate control over the spraying effect is achieved, the lantern ring is detachably inserted into the mounting hole, lantern rings with sleeving holes with different inner diameters can be mounted according to the requirements of the sleeving holes in the lantern ring, then the use adaptability and flexibility can be improved, and therefore use can be convenient and fast.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of spray gun, concretely relates to spray gun convenient to quickly dismount. BACKGROUND

[0002] As a kind of spraying tool, spray gun can uniformly spray liquid or gas through spray head, and is widely used in many industries and fields. Among them, including but not limited to: automobile industry, construction industry, aerospace industry, woodworking industry, metal processing industry and hand-painted toy and other product fields,

[0003] There are many types of spray guns, and the existing spray pen type spray gun is one of the spray guns, which has the advantages of no color trace, uniform color, natural and soft transition, etc. Its basic structure includes nozzle, spray pen body, valve button, air inlet valve, main machine air pump, air pipe interface, pigment container and other components. When using, press the valve button, make high-pressure air spray out, and guide to the spray pen nozzle, the spray needle connected with the pigment container has a gap, the pigment is contacted by high-pressure air spray, and is blown into atomized state through the air outlet hole of the nozzle, and then is transmitted to the workpiece surface.

[0004] The existing technology discloses a kind of combination type simple mini spray pen in Chinese patent with publication number CN 215705426 U, including spray pen body, and air pump combination part is arranged on spray pen body, air pump combination part is used to connect air pump, the clamping portion is arranged at the end of the spray pen body;It also includes first clamping body and second clamping body, the first clamping body and the second clamping body are detachably fixed on the clamping portion, the first clamping body and the second clamping body are respectively arranged with first mounting portion and second mounting portion at the end thereof, and the first mounting portion and the second mounting portion are used to fix spray pen accessory. Different spray pen accessories can be fixed by the first clamping body and the second clamping body, such as the first clamping body is used to clamp and fix marker, and the second clamping body is used to clamp and fix paint spray tank, to realize the combined use of the functions of spray pen. Increase the use diversity of spray pen, reduce material waste,

[0005] However, although spray pen type spray gun is widely used in many fields, there are still some defects, first, the first clamping body and the second clamping body in the above-mentioned prior art are detachably arranged, but the split arrangement of the first clamping body and the second clamping body leads to high transportation and use cost of clamping body, and different clamping bodies need to be disassembled and assembled frequently, which is not conducive to quick replacement and affects the stable mounting effect of clamping body and spray gun, leading to poor stability of clamping body connecting pigment container, affecting use, secondly, the spraying control key of existing spray gun is generally arranged at the top of spray gun, and the use of clamping body connecting pigment container needs to occupy a large use space, leading to difficult hand control of spray gun, thereby being not conducive to the convenient use of spray gun. UTILITY MODEL CONTENT

[0006] The utility model discloses a purpose is to solve above-mentioned defect, provide the quick dismounting of convenient of spray gun, to solve the technical problem of the existing spray gun not easy to carry out quick dismounting in above-mentioned background art and the setting structure of spray gun not easy to use, influence the stability and reliability of use.

[0007] The utility model discloses a purpose is realized through the following way:

[0008] The utility model discloses a spray gun of convenient quick dismounting, including gun barrel, be provided with the air inlet valve for connecting host gas pump on the gun barrel, the one end of gun barrel forms the spraying end along the axial extension, and the other end of gun barrel forms the holding end along the axial extension, be provided with the air inlet on the gun barrel of air inlet valve intercommunication, the inside of spraying end forms the airflow channel with air inlet intercommunication, the side of spraying end is provided with the control key for controlling air inlet and switch, the detachable plug connection of installing plate has on spraying end, the installing hole of opening has on installing plate, the detachable plug -in of sleeve ring for adjusting the aperture has in the installing hole coaxial center, the inside of sleeve ring forms the sleeve joint hole of intercommunication, and the one end of sleeve ring forms the positioning buckle that can be used to pass through the through -hole and hold on installing plate, positioning buckle is provided with two or more than, and positioning buckle interval distribution along the circumference direction of sleeve ring.

[0009] Further in the above description, the installing plate is provided with a plug-in groove for matching with the spraying end, and the plug-in groove is provided on the installing plate.

[0010] Specifically, the plug-in groove matches with the external shape of the spraying end, so that the plug-in groove can be plugged into the spraying end. The spraying end is provided with a buckle protrusion for holding the installing plate, and the plug-in groove is provided with a buckle slot for matching with the buckle protrusion, so that the installing plate can be stably installed on the spraying end.

[0011] Further in the above description, the installing hole is provided with one or more than one positioning slot inside, and the positioning slots are distributed around the inner diameter of the installing hole.

[0012] Optionally, in an embodiment, the installing hole is provided for plugging in a paint container for spraying. Specifically, the installing hole in the present example can be used for plugging in a paint bottle.

[0013] Optionally, in an embodiment, the installing hole is provided for coaxially plugging in a detachable sleeve ring, so that the aperture for installing the paint container can be adjusted by plugging the sleeve ring into the sleeve joint hole, thereby being applicable to the installation and use of different paint containers.

[0014] Further in the above description, the sleeve ring is provided with a holding part, and the outer surface of the holding part is provided with a positioning protrusion matching with the position and number of the positioning slots, and the positioning protrusion is distributed around the outer surface of the sleeve ring.

[0015] The positioning protrusion and the positioning groove are matched, so that the sleeve ring can be stably inserted into the mounting hole, rotation of the sleeve ring along the inner diameter of the mounting hole is prevented, and stability and reliability of installation of the paint container are improved.

[0016] Further in the above description, an inclined insertion slope is arranged on the outer side of the positioning buckle, and a notch is cut on the positioning buckle.

[0017] The insertion slope is arranged to facilitate insertion of the positioning buckle from one end of the mounting hole and exit of the positioning buckle from the other end of the mounting hole, and the positioning buckle is clamped on the mounting plate, so that movement of the sleeve ring along the axial direction of the mounting hole is prevented.

[0018] Optionally, the positioning buckle of the sleeve ring is extruded from the outside to the sleeve hole, so that the positioning buckle can be buckled off the mounting plate, and the sleeve ring can be disassembled.

[0019] Further in the above description, a sleeve groove is arranged on the end of the sleeve ring close to the positioning buckle, a sealing ring is sleeved on the sleeve groove, and a plurality of protruding reinforcing ribs are arranged in the sleeve hole.

[0020] The sealing ring can improve the stability and reliability of the connection between the sleeve ring and the mounting hole.

[0021] Further in the above description, a nozzle is connected to the end of the spraying end away from the holding end, and one end of the nozzle is in communication with the airflow channel.

[0022] The utility model discloses the beneficial effects: through the communication of airflow channel and air inlet, it has guaranteed that the airflow can reach the spraying end smoothly, provides stable airflow support for spraying operation, through the control key of side surface setting, the switch of air inlet is adjusted in time in the operation process of user, thereby realizing accurate control to spraying effect, and the mounting plate is detachably inserted on the spraying end, and according to the need of user, replacement or cleaning is convenient, the flexibility of spray gun is improved, the establishment of mounting hole provides the convenience for the insertion of sleeve ring, through the positioning buckle of one end of sleeve ring, can pass through the through -hole and hold on the mounting plate, ensure the stable installation of sleeve ring in the mounting hole, improve the connection strength between sleeve ring and mounting plate, further strengthen the stability and durability of spray gun, the sleeve hole formed in the sleeve ring, make according to the demand installation of different inner diameter sleeve hole of sleeve hole, and then the adaptability and flexibility of use can be improved, so that convenient use can be carried out. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the use structure schematic view of this embodiment one;

[0024] Figure 2 It is the sectional view of this embodiment one;

[0025] Figure 3 It is the whole explosion structure schematic view of this embodiment;

[0026] Figure 4 It is the structure schematic view of the sleeve ring in this embodiment;

[0027] Figure 5 It is the first direction use structure schematic view of this embodiment two;

[0028] Figure 6 It is the second direction use structure schematic view of this embodiment two;

[0029] Figure 7 It is the sectional view of this embodiment two;

[0030] The reference signs in the figure are: 100 - gun rod, 101 - spraying end, 102 - holding end, 103 - air inlet, 104 - air flow channel, 200 - air inlet valve, 300 - control key, 400 - mounting plate, 401 - mounting hole, 402 - plug-in slot, 403 - positioning slot, 500 - sleeve ring, 501 - sleeve joint hole, 502 - positioning buckle, 503 - positioning protrusion, 504 - notch, 505 - sleeve joint slot, 506 - reinforcing rib, 507 - clamping part, 600 - sealing ring, 700 - nozzle. DETAILED DESCRIPTION

[0031] The utility model will be described in further detail in combination with the drawings and specific embodiments.

[0032] Embodiment one

[0033] This embodiment, refer to Figures 1-3 The specific implementation of the quick dismounting spray gun comprises a gun rod 100, an air inlet valve 200 for connecting a host air pump is arranged on the gun rod 100, an spraying end 101 is formed on one end of the gun rod 100 along the axial direction, and a holding end 102 is formed on the other end of the gun rod 100 along the axial direction, an air inlet 103 in communication with the air inlet valve 200 is arranged on the gun rod 100, an air flow channel 104 in communication with the air inlet 103 is formed in the inside of the spraying end 101, a control key 300 for controlling the air inlet 103 to open and close is arranged on the side of the spraying end 101, a mounting plate 400 is detachably inserted on the spraying end 101, a mounting hole 401 in communication is formed on the mounting plate 400, a sleeve ring 500 for adjusting the aperture is detachably inserted in the mounting hole 401 along the coaxial center, a sleeve joint hole 501 in communication is formed in the inside of the sleeve ring 500, a positioning buckle 502 for passing through the through hole and clamping on the mounting plate 400 is formed on one end of the sleeve ring 500, four positioning buckles 502 are arranged, and the four positioning buckles 502 are distributed along the circumferential direction of the sleeve ring 500.

[0034] The mounting plate 400 is provided with a plug-in groove 402 for plugging into the spraying end 101. The plug-in groove 402 is in communication with the mounting plate 400. Specifically, the plug-in groove 402 is matched with the external shape of the spraying end 101, so that the plug-in groove 402 can be plugged into the spraying end 101. The spraying end 101 is provided with a buckle protrusion for clamping the mounting plate 400. The plug-in groove 402 is provided with a buckle slot 504 matched with the buckle protrusion for clamping, so that the mounting plate 400 can be stably mounted on the spraying end 101.

[0035] The mounting hole 401 is internally provided with four positioning grooves 403 which are circumferentially and arrayed distributed along the inner diameter of the mounting hole 401.

[0036] The sleeve ring 500 is formed with a clamping portion 507. The outer surface of the clamping portion 507 is provided with positioning protrusions 503 matched with the position and number of the positioning grooves 403. The positioning protrusions 503 are circumferentially and arrayed distributed along the outer surface of the sleeve ring 500. The end of the sleeve ring 500 close to the positioning buckle 502 is provided with a sleeve groove 505. The sleeve groove 505 is sleeved with a sealing ring 600. The inside of the sleeve hole 501 is provided with a plurality of protruding reinforcing ribs 506 which are circumferentially and arrayed distributed along the inner diameter of the sleeve hole 501. The sealing ring 600 can improve the stability and reliability of the connection between the sleeve ring 500 and the mounting hole 401.

[0037] The positioning protrusions 503 and the positioning grooves 403 are matched, so that the sleeve ring 500 can be stably plugged into the mounting hole 401. The sleeve ring 500 is prevented from rotating along the inner diameter of the mounting hole 401, so as to improve the stability and reliability of the installation of the paint container.

[0038] The outer side of the positioning buckle 502 is provided with an inclined plug-in slope. The positioning buckle 502 is cut to form a slot 504. The plug-in slope can facilitate the positioning buckle 502 to pass through one end of the mounting hole 401 and pass out from the other end of the mounting hole 401. The positioning buckle 502 is clamped with the mounting plate 400, so as to prevent the sleeve ring 500 from moving along the axial direction of the mounting hole 401.

[0039] Optionally, the positioning buckle 502 of the sleeve ring 500 is extruded into the sleeve hole 501 from the outside, so that the positioning buckle 502 can be unbuckled from the mounting plate 400, and the sleeve ring 500 can be disassembled.

[0040] The spraying end 101 is connected with a nozzle 700 at the end away from the holding end 102. One end of the nozzle 700 is in communication with the airflow channel 104.

[0041] The specific use principle in the embodiment is as follows:

[0042] The air inlet valve 200 is threadedly connected with the air inlet 103, and the air inlet valve 200 is connected with the external host air pump, the airflow channel 104 is in conductive connection with the air inlet 103, so that the airflow generated by the host air pump can smoothly reach the spraying end 101, and stable airflow support is provided for the spraying operation. By arranging the control key 300 on the side of the spraying end 101, specifically, the control key 300 is arranged on the left side or the right side of the spraying end 101. When the control key 300 is pressed, the air inlet 103 is in communication with the airflow channel 104, and when the control key 300 is released, it is closed. It is convenient for the user to adjust the on-off of the air inlet 103 at any time during the operation process, so as to realize accurate control of the spraying effect, and the side of the control key 300 is arranged, so that the pigment container can be arranged above the gun barrel, and the space is utilized. The mounting plate 400 is detachably inserted into the spraying end 101 through the insertion slot 402, and the detachable arrangement facilitates the user to replace or clean as needed, thereby improving the flexibility of the spray gun. The mounting hole 401 on the mounting plate 400 is arranged to be used for inserting the pigment container, specifically, the mounting hole 401 is used for inserting the paint bottle, and the positioning groove 403 inside the mounting hole 401 is arranged to reduce the contact area with the paint bottle insertion, thereby facilitating subsequent insertion and extraction.

[0043] Example two

[0044] In this embodiment, referring to Figures 4-7 The difference between this embodiment and example one is that the positioning groove 403 in the mounting hole 401 is arranged to facilitate the insertion of the sleeve ring 500, so that the sleeve ring 500 is paired with the positioning groove 403 through the positioning protrusion 503, the positioning buckle 502 at one end of the sleeve ring 500 is inserted through the mounting hole 401 and clamped on the mounting plate 400, the stable installation of the sleeve ring 500 in the mounting hole 401 is ensured, the connection strength between the sleeve ring 500 and the mounting plate 400 is improved, and the stability and durability of the spray gun are further enhanced. The sleeve hole 501 formed in the sleeve ring 500 can be installed with sleeve rings 500 of different inner diameters according to the needs of the sleeve hole 501, specifically, the sleeve hole 501 of the sleeve ring 500 in this embodiment is used for inserting a marker pen, and when the marker pen is inserted through the sleeve hole 501, the positioning buckle 502 is further clamped and fixed with the mounting plate 400 by the marker pen, so as to improve the stability of the installation, and further improve the adaptability and flexibility of use, thereby facilitating convenient use.

[0045] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the present application is disclosed as above in the preferred embodiment, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the disclosed technical content without departing from the technical solution of the present application, and any equivalent embodiment with equivalent changes is equivalent to the above embodiment. Any simple modification, equivalent change and modification of the above embodiment according to the present application technical solution are within the scope of the present application technical solution.

Claims

1. A spray gun which is convenient to disassemble and assemble quickly, comprising a gun barrel, an air inlet valve for connecting a main air pump is arranged on the gun barrel, an axial extension is formed at one end of the gun barrel to form a spraying end, and an axial extension is formed at the other end of the gun barrel to form a holding end, an air inlet is arranged on the gun barrel and communicated with the air inlet valve, characterized in that: The inside of the spraying end is formed with an airflow channel communicated with the air inlet, the side of the spraying end is provided with a control key for controlling the air inlet to open and close, the spraying end is detachably inserted with a mounting plate, the mounting plate is provided with a through mounting hole, the inside of the mounting hole is detachably inserted with a sleeve ring for adjusting the aperture, the inside of the sleeve ring is formed with a through sleeve hole, one end of the sleeve ring is formed with a positioning buckle for passing through the through hole and clamping on the mounting plate, the positioning buckle is provided with two or more than two, and the positioning buckles are distributed along the circumferential direction of the sleeve ring.

2. The quick detachable spray gun of claim 1, wherein: The mounting plate is provided with a plug-in groove for being plugged in the spraying end.

3. The quick detachable spray gun of claim 1, wherein: The inside of the mounting hole is provided with one or more than one positioning groove, and the positioning grooves are distributed along the inner diameter of the mounting hole.

4. The quick detachable spray gun of claim 3, wherein: The sleeve ring is formed with a clamping part, the outer surface of the clamping part is provided with a positioning protrusion matched with the position and number of the positioning grooves, and the positioning protrusions are distributed along the outer surface of the sleeve ring.

5. The quick detachable spray gun of claim 1, wherein: The outer side of the positioning buckle is provided with an inclined plug-in slope, and the positioning buckle is cut to form a notch.

6. The quick detachable spray gun according to any one of claims 1-5, wherein: The end of the sleeve ring close to the positioning buckle is provided with a sleeve groove, the sleeve groove is sleeved with a sealing ring, the inside of the sleeve hole is provided with a plurality of protruding reinforcing ribs, and the reinforcing ribs are distributed along the inner diameter of the sleeve hole.

7. The quick detachable spray gun according to any one of claims 1-5, wherein: The end of the spraying end away from the holding end is connected with a nozzle, and one end of the nozzle is communicated with the airflow channel.

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