No-clean air brush

Abstract

The utility model relates to a no-clean air brush in the field of air brushes, which comprises a brush body, an air inlet valve arranged on the brush body and used for being connected with an air source, an air inlet channel formed inside the brush body, an air nozzle arranged at one end of the brush body, a trigger hinged on the brush body and used for controlling the air inlet valve to be communicated with the air inlet channel, and a mounting seat connected on the brush body. A connecting piece is detachably inserted into the mounting base through a mounting hole, a needle head is detachably connected to the end, close to the air nozzle, of the connecting piece, the connecting piece is detachably connected with a material bottle, an air inlet extending towards the feeding channel is formed in the bottom wall of the connecting hole, and an adjusting piece used for driving the connecting piece to move in the axial direction of the mounting hole is arranged on the mounting base; a user can adjust the atomization amount of spraying according to specific spraying requirements through the adjusting piece, normal mist output of the material bottle during negative pressure spraying is ensured through the design of the air inlet in the bottom wall of the connecting hole, and the use stability and practicability are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of spray pen, concretely relates to a cleaning-free spray pen. BACKGROUND

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

[0003] A combined simple mini spray pen in the prior art comprises a spray pen body, a gas pump combination part is arranged on the spray pen body, the gas pump combination part is used to connect a gas pump, the spray pen body is provided with a clamping part at its end portion;It also includes a first clamping body and a second clamping body, the first clamping body and the second clamping body are detachably fixed on the clamping part, the first clamping body and the second clamping body are respectively provided with a first mounting part and a second mounting part at their end portions, and the first mounting part and the second mounting part are used to fix the spray pen accessories. Different spray pen accessories can be fixed and placed by the first clamping body and the second clamping body, such as the first clamping body for clamping and fixing a marker, and the second clamping body for clamping and fixing a paint spray tank, to realize the combined use of the spray pen without the functions, increase the use diversity of the spray pen, and reduce material waste.

[0004] However, although the existing spray pen plays an important role in multiple fields, it still has some obvious defects. The existing spray pen is not easy to adjust the atomization amount of spraying according to the demand, so it is difficult to control the size of the atomization amount, which leads to unstable spraying effect, is not conducive to the use of spray pen, and under the spraying of spray pen, negative pressure is generated at the nozzle of coating, which causes the coating to be atomized and sprayed. Under the negative pressure for a long time, the spray mist is prone to be abnormal, thereby affecting the normal spraying of the spray pen, and the existing coating spray head structure is complex, is not easy to disassemble and replace, and due to the complex structure, the cleaning process is often very tedious and time-consuming, thereby affecting the normal use effect of the spray pen. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the above defects, providing a cleaning-free spray pen to solve the technical problems of the existing spray pen in the above background technology, such as not easy to adjust the atomization amount of spraying and stable spraying mist, and the spray head structure of spraying is complex and not easy to disassemble and replace quickly, affecting use.

[0006] The utility model aims at solving the above defects, providing a cleaning-free spray pen to solve the technical problems of the existing spray pen in the above background technology, such as not easy to adjust the atomization amount of spraying and stable spraying mist, and the spray head structure of spraying is complex and not easy to disassemble and replace quickly, affecting use.

[0007] A kind of wash-free spray pen, including pen body, be provided with the air inlet valve for connecting air source on pen body, the inside of pen body is formed with air inlet channel, air inlet valve is connected with one end of air inlet channel, one end of the pen body is provided with the air jet nozzle with the air inlet channel is communicated, pen body is hinged with the trigger for controlling air inlet valve and air inlet channel is communicated, pen body is connected with mounting seat, mounting seat is detachably inserted with connecting piece in mounting hole in it, the end of connecting piece close to air jet nozzle is detachably connected with needle, the end of connecting piece away from air jet nozzle is detachably connected with bottle through connecting hole, connecting piece is provided with the feed channel for being communicated with needle and connecting hole, the bottom wall of connecting hole is provided with the air inlet that extends to feed channel, mounting seat is provided with the adjusting piece for driving connecting piece to move along the axial direction of mounting hole, so that connecting piece can drive needle to move away from air jet nozzle.

[0008] Further in the above description, one end of the pen body extends axially to form a spraying end, the other end of the pen body forms a holding end, the air jet nozzle is mounted on the spraying end, and the tail rod is connected to the holding end.

[0009] The air inlet channel is communicated with the spraying end and the holding end.

[0010] Further in the above description, the air inlet valve is mounted on the end of the pen body close to the holding end, a sliding channel extending to the holding end is formed in the pen body, and a control member for controlling the opening and closing of the air inlet valve is arranged in the sliding channel, one end of the control member extends to the trigger and is in abutting contact with the trigger.

[0011] The trigger is connected to the pen body through the hinge member, and the abutting contact between the trigger and the control member allows the control member to move along the sliding channel when the trigger is pressed, so as to control the communication between the air inlet valve and the external air source, and allow the gas to pass through the air inlet valve into the air inlet channel and be discharged from the air jet nozzle.

[0012] Further in the above description, a threaded hole is formed in the mounting seat, the threaded hole extends to the mounting hole, the adjusting member is connected to the threaded hole through the thread, and one end of the adjusting member extends to the mounting hole through the threaded hole and is in abutting contact with the connecting member.

[0013] Specifically, the rotating movement of the adjusting member along the threaded hole towards the bottle allows the end of the adjusting member to abut against the connecting member and drive the connecting member to move along the axial direction of the mounting hole, so that the connecting member drives the needle to move towards the tail rod, and at this time, the amount of spray mist sprayed by the needle can be adjusted.

[0014] Conversely, the manual pushing of the bottle allows the connecting member to move along the mounting hole towards the air jet nozzle, so that the connecting member drives the needle to move towards the air jet nozzle, and the amount of spray mist sprayed can be conveniently adjusted according to the demand.

[0015] Further in the above description, the inside of the connecting hole is formed with a threaded part for threaded connection with the material bottle, and the threaded connection of the material bottle with the connecting hole forms a gap, one end of the air inlet extends to the material supply channel and communicates with the bottle mouth of the material bottle.

[0016] The air can enter the connecting hole through the gap and enter the material bottle through the air inlet, thereby preventing the negative pressure of the material bottle from affecting the normal use of the mist, and improving the stability and reliability of the spraying use.

[0017] Further in the above description, the inside of the air jet nozzle is provided with an air jet channel communicating with the air inlet channel.

[0018] The needle is subjected to negative pressure through the air jet channel, so that the paint in the material bottle is guided out of the needle along the spraying channel.

[0019] Further in the above description, the top of the pen body is provided with a pin hole, and the bottom of the mounting seat is inserted and assembled with the pin hole through a positioning pin.

[0020] The positioning pin connected by the mounting seat can be quickly inserted and assembled with the pin hole on the pen body, improving the convenience of installation.

[0021] The beneficial effects of the utility model: the hinge design of the trigger makes the user control the communication state of the air inlet valve and the air inlet channel through simple action, so as to easily open or close the spray pen, the mounting hole on the mounting seat makes the connecting piece can be conveniently inserted and installed, this detachable connection mode is convenient for users to replace or clean according to needs, the connecting piece as a key component connecting the needle and the material bottle communicates through the material supply channel, the detachable connection of the needle and the material bottle makes it convenient to replace different specifications or types of needle and material bottle to adapt to different spraying needs, and when the needle is blocked, it can be directly disassembled and discarded, thereby playing the effect of cleaning-free, the adjusting piece on the mounting seat can adjust the axial movement of the connecting piece along the mounting hole, adjust the distance between the needle and the nozzle, so that the user can control the atomization amount of spraying according to the specific spraying needs, at the same time, the air inlet design of the bottom wall of the connecting hole makes the gas can penetrate into the connecting hole and enter the material bottle from the air inlet to play the air inlet effect, ensure the normal mist of the material bottle in the negative pressure spraying, improve the stability and practicability of use. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a schematic perspective view of the overall structure of the embodiment;

[0023] Figure 2 It is a sectional view of the embodiment;

[0024] Figure 3 It is a schematic view of the mounting structure of the connecting piece in the embodiment;

[0025] Figure 4An exploded view of the present embodiment;

[0026] The reference signs in the figures are as follows:

[0027] 100 - body, 101 - air inlet channel, 102 - sliding channel, 103 - spraying end, 104 - holding end; 200 - mounting seat, 201 - mounting hole, 202 - threaded hole; 300 - connecting piece, 301 - connecting hole, 302 - feeding channel, 303 - air inlet;

[0028] 1 - air inlet valve, 2 - air jet nozzle, 3 - trigger, 4 - needle, 5 - material bottle, 6 - adjusting piece, 7 - tail rod, 8 - air jet channel, 9 - control piece, 10 - positioning pin, 11 - pin hole. DETAILED DESCRIPTION

[0029] The present utility model will be described in further detail below in combination with the drawings and specific embodiments.

[0030] The present embodiment, with reference to Figures 1-4 A specific embodiment of the present utility model is a cleaning-free spray pen, which comprises a body 100, an air inlet valve 1 for connecting an air source is arranged on the body 100, an air inlet channel 101 is formed in the interior of the body 100, the air inlet valve 1 is connected with one end of the air inlet channel 101, a jet nozzle 2 in communication with the air inlet channel 101 is arranged on one end of the body 100, a trigger 3 for controlling the communication between the air inlet valve 1 and the air inlet channel 101 is hingedly connected on the body 100, a mounting seat 200 is connected on the body 100, a connecting piece 300 is detachably inserted into the mounting seat 200 through a mounting hole 201, a needle 4 is detachably connected on one end of the connecting piece 300 close to the jet nozzle 2, a material bottle 5 is detachably connected on one end of the connecting piece 300 away from the jet nozzle 2 through a connecting hole 301, a feeding channel 302 for communicating with the needle 4 and the connecting hole 301 is arranged in the connecting piece 300, an air inlet 303 extending to the feeding channel 302 is arranged on the bottom wall of the connecting hole 301, an adjusting piece 6 for driving the connecting piece 300 to move along the axial direction of the mounting hole 201 is arranged on the mounting seat 200, so that the connecting piece 300 can drive the needle 4 to move away from the jet nozzle 2.

[0031] Specifically, the bottle opening end of the material bottle 5 is threadedly connected with the connecting hole 301, and the mist outlet part of the needle 4 corresponds to the air outlet of the jet nozzle 2, so that the gas sprayed from the air jet channel 8 can form a certain negative pressure at the mist outlet part of the needle 4, so that the paint (pigment, paint, etc.) in the material bottle 5 can be sucked out and sprayed by the gas, forming a mist spraying.

[0032] The one end of the pen body 100 extends axially to form a spraying end 103, the other end of the pen body 100 forms a holding end 104, the air jet nozzle 2 is installed on the spraying end 103, and the tail rod 7 is connected to the holding end 104. The inside of the air jet nozzle 2 is provided with an air jet channel 8 in communication with the air inlet channel 101.

[0033] The air inlet channel 101 is in communication with the spraying end 103 and the holding end 104. The needle 4 generates negative pressure through the air jet channel 8, so that the paint in the bottle 5 is guided out of the needle 4 along the spraying channel.

[0034] The air inlet valve 1 is installed on the end of the pen body 100 close to the holding end 104, the pen body 100 is provided with a sliding channel 102 extending to the holding end 104, and the sliding channel 102 is provided with a control member 9 for controlling the opening and closing of the air inlet valve 1. One end of the control member 9 extends to the trigger 3 and is in contact with the trigger 3.

[0035] The trigger 3 is connected to the pen body 100 by a hinge member, and the trigger 3 is in contact with the control member 9, so that pressing the trigger 3 can move the control member 9 along the sliding channel 102, thereby controlling the communication between the air inlet valve 1 and the external gas source through the control member 9, so that the gas enters the air inlet channel 101 through the air inlet valve 1 and is guided out of the air jet nozzle 2.

[0036] The mounting seat 200 is provided with a threaded hole 202, and the threaded hole 202 extends to the mounting hole 201 at one end. The adjusting member 6 is connected to the threaded hole 202 by threads, and one end of the adjusting member 6 extends to the mounting hole 201 through the threaded hole 202 and is in contact with the connecting member 300.

[0037] Specifically, the adjusting member 6 is a bolt, and the rotation and movement of the adjusting member 6 along the threaded hole 202 to the bottle 5 causes the end of the adjusting member 6 to press against the connecting member 300 and move the connecting member 300 along the axis of the mounting hole 201, thereby moving the connecting member 300 and the needle 4 towards the tail rod 7. At this time, the amount of spray mist sprayed by the air jet nozzle 2 on the needle 4 can be adjusted.

[0038] Conversely, by manually pushing the bottle 5, the connecting member 300 moves along the mounting hole 201 towards the air jet nozzle 2, thereby moving the connecting member 300 and the needle 4 towards the air jet nozzle 2, so that the amount of spray mist sprayed can be conveniently adjusted and controlled according to the needs.

[0039] For example, the needle 4 is a standard injection needle 4 instead of a traditional nozzle, the spraying needle 4 has low cost and can be used for spraying various colors, and the detachable installation of the needle 4 allows it to be discarded after use or when it is blocked, thereby achieving the effect of no cleaning.

[0040] The detachable connection of the material bottle 5 makes it possible to use different material bottles 5 according to requirements, and the needle 4 can be replaced without cleaning the spray pen.

[0041] The connecting hole 301 is internally formed with a threaded part for threaded connection with the material bottle 5, and the threaded connection of the material bottle 5 with the connecting hole 301 forms a gap, and one end of the air inlet 303 extends to the feeding channel 302 and communicates with the bottle mouth of the material bottle 5.

[0042] The gap allows air to enter the connecting hole 301 and enter the material bottle 5 through the air inlet 303, thereby preventing the negative pressure of the material bottle 5 from affecting the normal use of the mist, and improving the stability and reliability of the spraying use.

[0043] Specifically, the connecting piece 300 is a key component for connecting the needle 4 and the material bottle 5 and is connected through the feeding channel 302. The detachable connection of the needle 4 and the material bottle 5 makes it easy to replace different specifications or types of needles 4 and material bottles 5 to adapt to different spraying requirements, adjust the distance between the needle 4 and the nozzle, and enable the user to control the atomization amount of spraying according to specific spraying requirements.

[0044] The top of the pen body 100 is provided with three pin holes 11, and the bottom of the mounting seat 200 is inserted and assembled with the three pin holes 11 through three positioning pins 10.

[0045] The positioning pin 10 connected through the mounting seat 200 can be quickly inserted and assembled with the pin hole 11 on the pen body 100, improving the convenience of installation.

[0046] The specific use structure in the embodiment is as follows:

[0047] The needle 4 is installed at one end of the connecting piece 300, and the bottle mouth end of the material bottle 5 is paired with the connecting hole 301 of the connecting piece 300, so that they are connected through the threaded part. The assembled needle 4, connecting piece 300 and material bottle 5 are installed on the mounting hole 201, the needle 4 extends to the air jet nozzle 2 through the mounting hole 201, and the connecting piece 300 is paired and connected with the mounting hole 201.

[0048] The hinged design of the trigger 3 enables the user to control the communication state of the air inlet valve 1 with the air inlet channel 101 through simple actions. By pulling the trigger 3, the air pen can be easily opened or closed, so that the air source outside the air pen enters the air inlet channel 101 and is discharged from the air jet channel 8 of the air jet nozzle 2, thereby generating negative pressure at the end of the needle 4, sucking the paint in the paint bottle 5 out and atomizing and spraying under air pressure. When it is necessary to adjust the atomization amount, the adjusting member 6 is rotated, the adjusting member 6 moves along the threaded hole 202 towards the paint bottle 5, the end of the adjusting member 6 provides a pressing thrust to the connecting member 300, the connecting member 300 can move along the mounting hole 201, so that the needle 4 moves away from the air jet nozzle 2, thereby adjusting the atomization amount of the spray. Conversely, rotating the adjusting member 6 moves towards the air jet nozzle 2, and by manually pushing the connecting member 300 towards the air jet nozzle 2, the needle 4 is driven to move towards the air jet nozzle 2. At the same time, the air inlet 303 at the bottom wall of the connecting hole 301 is designed to enable the gas to penetrate into the connecting hole 301 and enter the paint bottle 5 through the air inlet 303, thereby ensuring the normal misting of the paint bottle 5 during negative pressure spraying and improving the stability and practicability of use.

[0049] The above is only a 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 a preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content without departing from the scope of the present application, and any simple modification, equivalent change and modification of the above embodiment within the scope of the present application are all within the scope of the present application.

Claims

1. A cleanable spray pen, comprising a pen body, a gas inlet valve is arranged on the pen body for connecting a gas source, an air inlet channel is formed in the pen body, and the gas inlet valve is connected with one end of the air inlet channel, characterized in that: One end of the pen body is provided with a gas nozzle in communication with the air inlet channel, the pen body is hingedly connected with a trigger for controlling the air inlet valve to communicate with the air inlet channel, the pen body is connected with a mounting seat, the mounting seat is detachably inserted with a connecting piece through a mounting hole, one end of the connecting piece close to the gas nozzle is detachably connected with a needle, one end of the connecting piece away from the gas nozzle is detachably connected with a bottle through a connecting hole, the connecting piece is provided with a feeding channel for communicating with the needle and the connecting hole, the bottom wall of the connecting hole is provided with an air inlet extending to the feeding channel, the mounting seat is provided with an adjusting piece for driving the connecting piece to move along the axial direction of the mounting hole, so that the connecting piece can drive the needle to move away from the gas nozzle.

2. A no-rinse spray bottle according to claim 1, wherein: One end of the pen body extends axially to form a spraying end, the other end of the pen body forms a holding end, the gas nozzle is mounted on the spraying end, and the holding end is connected with a tail rod.

3. A no-rinse spray bottle according to claim 2, wherein: The air inlet valve is mounted on the end of the pen body close to the holding end, a sliding channel extending to the holding end is formed in the pen body, and a control piece for controlling the air inlet valve is arranged in the sliding channel, one end of the control piece extends to the trigger and is in abutting contact with the trigger.

4. A no-rinse spray bottle according to claim 1, wherein: The mounting seat is provided with a threaded hole, the threaded hole extends through the mounting hole at one end, the adjusting piece is connected with the threaded hole through threads, and one end of the adjusting piece extends to the mounting hole through the threaded hole and is in abutting contact with the connecting piece.

5. A no rinse spray bottle according to claim 1 wherein: The connecting hole is internally formed with a threaded portion for threadedly connecting with the bottle, the threaded connection between the bottle and the connecting hole forms a gap, one end of the air inlet extends to the feeding channel and is in communication with the bottle mouth of the bottle.

6. A wash-free marker according to any one of claims 1 to 5, wherein: The gas nozzle is internally provided with a gas channel in communication with the air inlet channel.

7. A wash-free marker according to any one of claims 1 to 5, wherein: The top of the pen body is provided with a pin hole, and the bottom of the mounting seat is inserted and assembled with the pin hole through a positioning pin.

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