CN211937472U - Paint spray gun - Google Patents
Paint spray gun Download PDFInfo
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- CN211937472U CN211937472U CN202020509237.3U CN202020509237U CN211937472U CN 211937472 U CN211937472 U CN 211937472U CN 202020509237 U CN202020509237 U CN 202020509237U CN 211937472 U CN211937472 U CN 211937472U
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Abstract
The utility model discloses a paint spray gun, which comprises a gun body, a gas switch component, a discharging switch component, a spray head component and a handle, wherein the gun body is respectively provided with a gas switch mounting hole, a discharging switch rear mounting hole, a discharging cavity and a discharging switch front mounting hole; the gun body is respectively provided with an air inlet channel, a connecting channel and an air outlet channel, the air inlet channel is communicated with the air switch mounting hole, one end of the connecting channel is communicated with the air switch mounting hole, and the other end of the connecting channel is communicated with the air outlet channel; the spray head component comprises a discharging seat, a discharging nozzle and a spray head fixing head, the discharging seat and the discharging nozzle are fixed at the end part of the discharging cavity by the spray head fixing head, a gas outlet cavity is formed between the discharging seat and the discharging nozzle, a sealing plug is arranged on a gas outlet channel, the other end of the gas outlet channel is communicated with the gas outlet cavity, and a gas outlet hole communicated with the gas outlet cavity is formed in the discharging nozzle. The utility model discloses a fine design of air passage for the atmospheric pressure circulation is at the internal portion of rifle, and very convenient to use can effectually avoid spouting the situation that the material blockked up, improves the effect that spouts the material and use.
Description
Technical Field
The utility model relates to a spray gun technical field especially relates to a coating spray gun.
Background
The paint spray gun is a tool for spraying paint, and the requirement of people on the spraying effect is continuously improved, so that the improvement of spraying equipment is endless; the spray gun uses compressed air to rapidly release the compressed air as power to spray the coating, so that the structure of an air passage inside the spray gun is particularly important and determines the spraying effect.
A kind of paint spray gun of Chinese patent, patent application No. 201721147674. X, disclose a kind of paint spray gun, including the rifle body, connect integrative handle with the rifle body, trigger mounted on rifle body, and set up the spray nozzle in the anterior extremity of the rifle body, the rear end of the rifle body has flow control switch and air pressure control switch I separately, the bottom end of the handle has and air compressor air inlet; the method is characterized in that: one side of the rear end part of the gun body is connected with an air valve communicated with the air inlet, and an air pressure adjusting switch II and an air pipe joint are arranged on the air valve; the front end part of the gun body is connected with a paint storage bottle, and the paint storage bottle is fixedly connected with the gun body through a connecting structure; the coating storage bottle comprises a bottle body and a bottle cap, and a discharge hole is formed in the bottle cap and fixedly connected with the connecting structure; the bottle cap is provided with an air inlet joint and a safety valve respectively, and the air inlet joint is connected with the air pipe joint through an air pipe. The spray gun operates the pull handle, control the pressurized air to enter into the coating storage bottle through an external air pipe and extrude the coating in the bottle body, the market also has connected to the spray gun head through an external air pipe, spray out the coating through the pressurized air; when the structure is used, the pipelines through which the pressure air passes are arranged outside, and the structure is troublesome. The external pipeline easily causes the hook to be broken, and has potential safety hazards in use.
The spray gun structure that also has on the market, pressure air passes through inside when using, but this kind of inside air flue sets up on ejection of compact control case subassembly's valve rod, forms to communicate with each other through the mounting hole of case subassembly, and this kind of structural design of giving vent to anger through the case subassembly, not only troublesome but also will pass through case subassembly and mounting hole, and the requirement sealed to the installation is very high, uses along with the frequent operation of case subassembly at later stage and leads to the gas leakage easily to cause the trouble for the use.
Disclosure of Invention
The utility model provides a paint spray gun for solving the technical problem, the structural design of giving vent to anger is more reasonable, improves the effect that spouts the material and use.
In order to solve the technical problem, the utility model adopts the technical scheme that: a coating spray gun comprises a gun body, a gas switch assembly, a discharge switch assembly, a spray head assembly and a handle, wherein the gun body is respectively provided with a gas switch mounting hole, a discharge switch rear mounting hole, a discharge cavity and a discharge switch front mounting hole communicated with the discharge cavity; the gun body is provided with an air inlet channel, a connecting channel and an air outlet channel respectively, the air inlet channel is communicated with the air switch mounting hole, one end of the connecting channel is communicated with the air switch mounting hole, and the other end of the connecting channel is communicated with the air outlet channel; the spray head component comprises a discharging seat, a discharging nozzle and a spray head fixing head, the discharging seat and the discharging nozzle are fixed at the end part of the discharging cavity by the spray head fixing head, a gas outlet cavity is formed between the discharging seat and the discharging nozzle, the gas outlet channel is provided with a sealing plug, the other end of the gas outlet cavity is communicated with the gas outlet cavity, and the discharging nozzle is provided with a plurality of gas outlet holes communicated with the gas outlet cavity.
The gun body comprises a main body part and a handle part, the air inlet channel and the connecting channel are arranged on the handle part, the connecting channel is arranged on one side face of the handle part and bypasses the mounting hole behind the discharging switch, and the air outlet channel is arranged on the main body part.
The connecting channel is V-shaped and is provided with a processing hole at the intersection of the V-shaped, and the sealing cap is arranged at the processing hole.
One end of the discharging seat extends into the discharging cavity and is provided with a sealing step abutted against the gun body, a sealing groove is formed in the end face of the discharging seat, and the end of the discharging nozzle is abutted against the sealing groove.
The discharging nozzle is provided with an air inlet inclined plane corresponding to the air outlet cavity and forms a fixed support against the step, the air outlet hole is formed in the air inlet inclined plane, and the end part of the spray head fixing head is fastened and supported against the fixed support against the step.
The discharging switch assembly comprises a valve core rear seat, a positioning seat, a valve core rod, a return spring, a positioning sealing piece and a sealing end socket, wherein the valve core rear seat is provided with an adjusting screw hole, a discharging flow adjusting cap is arranged on the adjusting screw hole, and the end part of the discharging flow adjusting cap is abutted to the end part of the positioning seat.
The upper end of the handle is hinged with the main body part of the gun body, and the length of the handle corresponds to that of the handle part of the gun body.
Adopt above technical scheme, the utility model discloses following beneficial effect has:
compared with the prior art, the utility model arranges the air outlet channel on the gun body and is communicated with the air inlet channel through the connecting channel, wherein the connecting channel is connected with the air inlet channel through the air switch component, the spray head component is arranged at the end part of the gun body to form an air outlet cavity communicated with the air outlet channel, the discharge nozzle in the spray head component is provided with an air outlet hole communicated with the air outlet cavity, and the air inlet channel, the connecting channel, the air outlet cavity and the air outlet hole form a complete air channel; the discharging nozzle can be communicated with the discharging cavity when the discharging switch component is in an opening state, so that the coating in the discharging cavity is sprayed out through the gas pressure in the discharging nozzle in the spray head component; the fine design of the air passage that is used for atmospheric pressure circulation in this practicality is inside the rifle body, not only avoids the external gas pipeline of current spray gun and embeds the defect that brings in ejection of compact control case subassembly, and very convenient to use moreover, ejection of compact chamber and ejection of compact mouth are adjacent, can effectually avoid spouting the situation that the material blockked up, improve the effect of spouting the material and using.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
fig. 2 is a perspective sectional view of the present invention;
fig. 3 is an enlarged view of a portion a in fig. 1.
Detailed Description
The invention is further explained by combining the attached drawings.
Referring to fig. 1 to 3, the utility model provides a coating spray gun, including the rifle body 1, gas switch module 2, discharging switch module 3, shower nozzle subassembly and handle 5, be provided with gas switch mounting hole 6, discharging switch back mounting hole 7, discharging cavity 8 and discharging switch front mounting hole 9 communicated with discharging cavity 8 on the rifle body 1 respectively, gas switch module 2 is installed in gas switch mounting hole 6, discharging switch module 3 is installed in discharging switch back mounting hole 7 and discharging switch front mounting hole 9; the gun body 1 is respectively provided with an air inlet channel 10, a connecting channel 11 and an air outlet channel 12, the air inlet channel 10 is communicated with the air switch mounting hole 6, one end of the connecting channel 11 is communicated with the air switch mounting hole 6, and the other end of the connecting channel is communicated with the air outlet channel 12; the nozzle component comprises a discharging seat 13, a discharging nozzle 14 and a nozzle fixing head 15, the nozzle fixing head 15 fixes the discharging seat 13 and the discharging nozzle 14 at the end part of the discharging cavity 8 and forms a gas outlet cavity 16 between the discharging seat 13 and the discharging nozzle 14, the gas outlet channel 12 is provided with a sealing plug 17, the other end of the gas outlet cavity 16 is communicated with the gas outlet cavity 16, and the discharging nozzle 14 is provided with a plurality of gas outlet holes 18 communicated with the gas outlet cavity 16.
The gun body 1 comprises a main body part 19 and a handle part 20, the air inlet channel 10 and the connecting channel 11 are arranged on the handle part 20, the connecting channel 11 is arranged on one side surface of the handle part 20 and bypasses the discharge switch rear mounting hole 7, and the air outlet channel 12 is arranged on the main body part 19; the connecting channel 11 is in a V shape, a processing hole 21 is formed at the intersection of the V shape, and a sealing cap 22 is installed at the processing hole 21; the air inlet channel 10, the connecting channel 11 and the air outlet channel 12 are arranged at different parts of the gun body 1 to form a communicable air channel, the structural design is reasonable, and the use effect is improved.
One end of the discharging seat 13 extends into the discharging cavity 8 and is provided with a sealing step 23 abutted against the gun body 1, a sealing groove 24 is arranged on the end face of the discharging seat 13, and the end part of the discharging nozzle 14 is abutted against the sealing groove 24; an air inlet inclined plane 25 corresponding to the air outlet cavity 16 is arranged on the discharging nozzle 14 and forms a fixed abutting step 26, the air outlet hole 18 is arranged on the air inlet inclined plane 25, and the end part of the nozzle fixing head 15 is fastened and abutted against the fixed abutting step 26; therefore, the sealing performance of the joints of all the parts is improved, the gas outlet pressure of gas is ensured, and the sealing gasket can be added at each joint of the sprayer assembly to improve the sealing performance of the connection.
The discharging switch component 3 comprises a valve core rear seat 27, a positioning seat 28, a valve core rod 29, a return spring 30, a positioning sealing piece 31 and a sealing end head 32, wherein the valve core rear seat 27 is provided with an adjusting screw hole 33, a discharging flow adjusting cap 34 is arranged on the adjusting screw hole 33, and the end part of the discharging flow adjusting cap 34 is abutted against the end part of the positioning seat 28; the screwed material flow adjusting cap 34 can push against the positioning seat 28 to move so as to drive the valve core rod to move, thereby adjusting the gap between the sealing end head 32 and the material outlet seat 13 and achieving the purpose of adjusting the material spraying flow; the regulation of the discharge flow is arranged at the rear end part of the gun body 1, so that the regulation and the use are more convenient.
The upper end of handle 5 is articulated with the main part 19 of rifle body 1, and the length of handle 5 corresponds with the handle portion 20 length of rifle body 1, and the length of handle 5 sets up with the handle portion 20 length adaptation of rifle body 1, and finger portion pulls control, facilitate the use when can better conveniently gripping.
When using, the port department of inlet channel 10 connects the external pipeline of air supply, can connect the coating storage bottle in 8 below departments of the ejection of compact chamber of the rifle body 1, pull handle 5 with gas switch module 2, ejection of compact switch module 3 is opened in step, ejection of compact chamber 8 is communicating with the ejection of compact mouth 14 of shower nozzle subassembly this moment, simultaneously the pressure gas in the inlet channel 10 loops through the hookup passageway 11, outlet channel 12, air outlet chamber 16 and venthole 18 flow, thereby it passes through ejection of compact chamber 8, ejection of compact mouth 14 blowout to form the high atmospheric pressure difference at the ejection of compact mouth 14 department of shower nozzle subassembly with the coating storage bottle.
The paint spray gun provided by the embodiment of the present invention is described in detail above, and the principle and the implementation of the present invention are explained by applying a specific example, and the description of the above embodiment is only used to help understanding the technical solution disclosed by the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (7)
1. A coating spray gun comprises a gun body, a gas switch assembly, a discharge switch assembly, a spray head assembly and a handle, wherein the gun body is respectively provided with a gas switch mounting hole, a discharge switch rear mounting hole, a discharge cavity and a discharge switch front mounting hole communicated with the discharge cavity; the method is characterized in that: the gun body is provided with an air inlet channel, a connecting channel and an air outlet channel respectively, the air inlet channel is communicated with the air switch mounting hole, one end of the connecting channel is communicated with the air switch mounting hole, and the other end of the connecting channel is communicated with the air outlet channel; the spray head component comprises a discharging seat, a discharging nozzle and a spray head fixing head, the discharging seat and the discharging nozzle are fixed at the end part of the discharging cavity by the spray head fixing head, a gas outlet cavity is formed between the discharging seat and the discharging nozzle, the gas outlet channel is provided with a sealing plug, the other end of the gas outlet cavity is communicated with the gas outlet cavity, and the discharging nozzle is provided with a plurality of gas outlet holes communicated with the gas outlet cavity.
2. A paint spray gun according to claim 1, wherein: the gun body comprises a main body part and a handle part, the air inlet channel and the connecting channel are arranged on the handle part, the connecting channel is arranged on one side face of the handle part and bypasses the mounting hole behind the discharging switch, and the air outlet channel is arranged on the main body part.
3. A paint spray gun according to claim 2, wherein: the connecting channel is V-shaped and is provided with a processing hole at the intersection of the V-shaped, and the sealing cap is arranged at the processing hole.
4. A paint spray gun according to claim 1, wherein: one end of the discharging seat extends into the discharging cavity and is provided with a sealing step abutted against the gun body, a sealing groove is formed in the end face of the discharging seat, and the end of the discharging nozzle is abutted against the sealing groove.
5. A paint spray gun according to claim 4, characterized in that: the discharging nozzle is provided with an air inlet inclined plane corresponding to the air outlet cavity and forms a fixed support against the step, the air outlet hole is formed in the air inlet inclined plane, and the end part of the spray head fixing head is fastened and supported against the fixed support against the step.
6. A paint spray gun according to claim 1, wherein: the discharging switch assembly comprises a valve core rear seat, a positioning seat, a valve core rod, a return spring, a positioning sealing piece and a sealing end socket, wherein the valve core rear seat is provided with an adjusting screw hole, a discharging flow adjusting cap is arranged on the adjusting screw hole, and the end part of the discharging flow adjusting cap is abutted to the end part of the positioning seat.
7. A paint spray gun according to claim 1, wherein: the upper end of the handle is hinged with the main body part of the gun body, and the length of the handle corresponds to that of the handle part of the gun body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020509237.3U CN211937472U (en) | 2020-04-09 | 2020-04-09 | Paint spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020509237.3U CN211937472U (en) | 2020-04-09 | 2020-04-09 | Paint spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211937472U true CN211937472U (en) | 2020-11-17 |
Family
ID=73161089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020509237.3U Active CN211937472U (en) | 2020-04-09 | 2020-04-09 | Paint spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211937472U (en) |
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2020
- 2020-04-09 CN CN202020509237.3U patent/CN211937472U/en active Active
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