CN210800175U - Air valve of spray gun - Google Patents
Air valve of spray gun Download PDFInfo
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- CN210800175U CN210800175U CN201921528687.0U CN201921528687U CN210800175U CN 210800175 U CN210800175 U CN 210800175U CN 201921528687 U CN201921528687 U CN 201921528687U CN 210800175 U CN210800175 U CN 210800175U
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- thimble
- seat
- air valve
- sealing
- spray gun
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Abstract
The utility model discloses a spray gun air valve, including thimble guide holder, air disk seat, air valve rod and compression spring, be equipped with the seal receptacle on the air valve rod, seal receptacle and air valve rod structure as an organic whole, be equipped with the rubber sleeve on the seal receptacle, the air valve rod is fixed with the one end of thimble, the thimble other end runs through the thimble guide holder and fixes with the coupling assembling of spray gun handle. Carry out inside seal through the seal receptacle on the air valve pole to the valve port of air valve seat, the seal receptacle is sealed for the gomphosis formula to the sealed of valve port, and the rubber cover on the cooperation seal receptacle reaches seamless effect, has improved the leakproofness of air valve. When not using the spray gun, gasket and seal cover can provide sealed effect to the linking department and the gas vent of thimble and thimble guide holder seat mouth respectively, have avoided the coating of spray gun internal reflux to get into the thimble guide holder through the linking gap and the gas vent of thimble and thimble guide holder seat mouth in, lead to the fact the phenomenon of corruption, damage to the thimble guide holder.
Description
Technical Field
The utility model relates to a spray gun equipment technical field specifically is a spray gun air valve.
Background
A spray gun is a device that uses a quick release of liquid or compressed air as a motive force. The spray gun is divided into a normal pressure type spray gun and a pressurized spray gun. The spray gun can be directly used for loading paint in the application of the spray gun in the industry, namely a simple spray gun can be installed in automatic equipment, such as an automatic glue sprayer, an automatic glue spreader, an automatic paint sprayer, a coating machine and other spraying equipment.
The inside air valve that all is equipped with of spray gun, present air valve all adopt the thimble to run through the mode that air disk seat and thimble seat linked up, drive sealing device on the thimble seat through the thimble and provide sealedly to the inlet port, and this mode belongs to valve body external seal structure, and external seal structure produces the linking gap easily when sealing device links up with the inlet port, leads to the not enough condition of sealing.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a spray gun air valve has solved external seal structure when sealing device links up with the inlet port, produces easily and links up the gap, leads to the not enough condition of sealing.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a spray gun air valve, includes thimble guide holder, air disk seat, air valve rod and compression spring, be equipped with the seal receptacle on the air valve rod, seal receptacle and air valve rod structure as an organic whole, be equipped with the rubber sleeve on the seal receptacle, the air valve rod is fixed with the one end of thimble, the thimble other end runs through the thimble guide holder and fixes with the coupling assembling of spray gun handle, be equipped with gasket and seal cover on the thimble, the seal cover is located the inside of thimble guide holder, be equipped with the fixed cover of thimble on the seal cover, the inner wall of the fixed cover of thimble is fixed with the thimble, the outer wall of the fixed cover of thimble passes through the link and fixes with the inner wall of seal cover, compression spring one end is fixed with the inner wall of thimble guide holder, and the other end is fixed with.
Preferably, the sealing sheet is matched with the seat opening of the thimble guide seat in size, the sealing sheet and the thimble are of an integrated structure, and a rubber gasket is bonded on the end face of the embedded seat opening of the sealing sheet and the thimble guide seat.
Preferably, the sealing sleeve is matched with the thimble guide seat in size, a rubber sleeve is arranged on the outer wall of the seat body of the sealing sleeve, and the rubber sleeve is nested on the sealing sleeve and is fixed through strong glue.
Preferably, the size of the valve port of the sealing seat is matched with that of the valve port of the air valve seat, a rubber cover is arranged on the seat body of the sealing seat, and the rubber cover is nested on the sealing seat and is fixed through strong glue.
Preferably, the air holes are uniformly distributed on the thimble guide seat and communicated with the inside of the thimble guide seat.
(III) advantageous effects
The utility model provides a spray gun air valve. The method has the following beneficial effects:
1. this air valve mainly carries out internal seal through the seal receptacle on the air valve pole to the valve port of air disk seat, and the seal receptacle is sealed for the gomphosis formula to the sealed of valve port, and the rubber cover on the cooperation seal receptacle reaches seamless effect, the effectual leakproofness that improves the air valve.
2. Through the interpolation of gasket and seal cover, when not using the spray gun, gasket and seal cover can provide sealed effect to linking department and the gas vent of thimble and thimble guide holder seat mouth respectively, have avoided the coating of spray gun internal reflux to lead to the fact the phenomenon of corruption, damage to the thimble guide holder in getting into the thimble guide holder through linking gap and the gas vent of thimble and thimble guide holder seat mouth.
Drawings
FIG. 1 is a schematic view of the overall connection structure of the present invention;
FIG. 2 is a schematic view of the connection structure of the thimble according to the present invention;
fig. 3 is a schematic view of the structure of the sealing sleeve of the present invention.
In the figure, a thimble guide seat-1, an air valve seat-2, an air valve rod-3, a thimble-4, an air hole-5, an air inlet-6, a valve port-7, a sealing seat-8, a compression spring-9, a sealing sheet-10, a sealing sleeve-11, a thimble fixing sleeve-12 and a connecting frame-13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, an embodiment of the present invention provides a technical solution: a spray gun air valve comprises a thimble guide seat 1, an air valve seat 2, an air valve rod 3 and a compression spring 9, wherein a sealing seat 8 is arranged on the air valve rod 3, the sealing seat 8 and the air valve rod 3 are of an integrated structure, a rubber sleeve is arranged on the sealing seat 8, the air valve rod 3 is fixed with one end of a thimble 4, the other end of the thimble 4 penetrates through the thimble guide seat 1 to be fixed with a connecting component of a spray gun handle, a sealing sheet 10 and a sealing sleeve 11 are arranged on the thimble 4, the sealing sleeve 11 is positioned in the thimble guide seat 1, a thimble fixing sleeve 12 is arranged on the sealing sleeve 11, the inner wall of the thimble fixing sleeve 12 is fixed with the thimble 4, the outer wall of the thimble fixing sleeve 12 is fixed with the inner wall of the sealing sleeve 11 through a connecting frame 13, one end of the compression spring 9 is fixed with the inner wall, one end of the air valve seat 2 is provided with an air inlet 6, and the other end is provided with a valve port 7.
The sealing piece 10 is consistent with the seat mouth size matching of the thimble guide seat 1, the sealing piece 10 and the thimble 4 are of an integrated structure, and a rubber gasket is bonded on the end face of the seat mouth embedding of the sealing piece 10 and the thimble guide seat 1. When the thimble runs through the thimble guide holder, the needle body produces the linking gap with thimble guide holder linking department easily, and when using the spray gun, in the easy entering linking gap of atomizing coating, the gasket can provide sealed effect to the seat mouth of thimble guide holder, has avoided atomizing coating to get into.
The size of the interior of the sealing sleeve 11 is consistent with that of the interior of the thimble guide seat 1, a rubber sleeve is arranged on the outer wall of the seat body of the sealing sleeve 11, and the rubber sleeve is nested on the sealing sleeve 11 and is fixed through strong glue. When the spray gun is not used, the sealing sleeve can seal the air hole, so that atomized coating is prevented from flowing into the thimble guide seat through the air hole.
The size of the sealing seat 8 is matched with that of the valve port 7 of the air valve seat 2, a rubber cover is arranged on the seat body of the sealing seat 8, and the rubber cover is nested on the sealing seat 8 and is fixed through strong glue. The valve port and the seal seat which are matched with each other are consistent, so that the valve port can be better sealed, the generation of a joint gap is avoided, and the seal performance of the seal seat is enhanced by the rubber cover.
The air holes 5 are uniformly distributed on the thimble guide seat 1 and communicated with the inside of the thimble guide seat 1. The plurality of air holes ensure the transmission quantity of the gas.
The working principle is as follows: the thimble 4 is connected with the handle of the spray gun through the connecting assembly, when the spray gun is used, the handle can drive the air valve rod 3 through the thimble 4 by pulling the handle, the movement of the air valve rod 3 can make the sealing seat 8 leave the valve port 7 of the air valve seat 2, so that the whole air valve is in an open state, at the moment, the fixing piece 10 on the thimble 4 moves along with the thimble 4, the sealing sleeve 11 in the thimble guide seat 1 also moves along with the thimble 4, the air hole 5 is opened by the movement of the sealing sleeve 11, the air can enter from the air inlet 6 of the air valve seat 2, the air is transmitted into the thimble guide seat 1 through the valve port 7, after the use of the spray gun is finished, the handle is released, the thimble 4 automatically resets under the action of the compression spring 9, so that the sealing seat 8 on the air valve rod 3 provides sealing for the valve port 7 of the air valve seat 3, and the entry of, at this time, the sealing sheet 10 and the sealing sleeve 11 will provide sealing for the thimble 4 and the seat opening and the air hole 5 of the thimble guide 1, respectively.
The utility model discloses a thimble guide seat 1, an air valve seat 2, an air valve rod 3, a thimble 4, an air hole 5, an air inlet 6, a valve port 7, a seal seat 8, a compression spring 9, a sealing sheet 10, a sealing sleeve 11, a thimble fixing sleeve 12, a connecting frame 13, all parts are general standard parts or parts known by technicians in the field, the structure and the principle of the parts can be known by technical manuals or by conventional experimental methods, the problem solved by the utility model is that when an external seal structure is connected with the air inlet, a connecting gap is easy to generate, and the condition of insufficient sealing is caused, the air valve of the utility model mainly carries out internal sealing on the valve port 7 of the air valve seat 2 through the seal seat 8 on the air valve rod 3, the seal of the valve port 7 by the seal seat 8 is embedded seal, and the effect of seamless connection is achieved by matching with a rubber cover on the seal seat 8, the effectual leakproofness that has improved the air valve, through gasket 10 and the addition of seal cover 11, when not using the spray gun, gasket 10 and seal cover 11 can provide sealed effect to linking department and gas pocket 5 of thimble 4 and 1 seat mouth of thimble guide holder respectively, and the coating of having avoided the spray gun internal reflux gets into thimble guide holder 1 through linking gap and gas pocket 5 of thimble 4 and 1 seat mouth of thimble guide holder in, leads to the fact the phenomenon of corruption, damage to thimble guide holder 1.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A spray gun air valve characterized by: comprises a thimble guide seat (1), an air valve seat (2), an air valve rod (3) and a compression spring (9), wherein a sealing seat (8) is arranged on the air valve rod (3), the sealing seat (8) and the air valve rod (3) are of an integrated structure, a rubber sleeve is arranged on the sealing seat (8), the air valve rod (3) is fixed with one end of a thimble (4), the other end of the thimble (4) penetrates through the thimble guide seat (1) to be fixed with a connecting component of a spray gun handle, a sealing sheet (10) and a sealing sleeve (11) are arranged on the thimble (4), the sealing sleeve (11) is positioned inside the thimble guide seat (1), a thimble fixing sleeve (12) is arranged on the sealing sleeve (11), the inner wall of the thimble fixing sleeve (12) is fixed with the thimble (4), the outer wall of the thimble fixing sleeve (12) is fixed with the inner wall of the sealing sleeve (11) through a connecting, one end of the compression spring (9) is fixed with the inner wall of the thimble guide seat (1), the other end of the compression spring is fixed with the sealing seat (8), one end of the air valve seat (2) is provided with an air inlet hole (6), and the other end of the air valve seat is provided with a valve port (7).
2. A spray gun air valve as claimed in claim 1, wherein: the size of the seat opening of the sealing sheet (10) and the thimble guide seat (1) is matched consistently, the sealing sheet (10) and the thimble (4) are of an integrated structure, and a rubber gasket is bonded on the end face of the seat opening embedded part of the sealing sheet (10) and the thimble guide seat (1).
3. A spray gun air valve as claimed in claim 1, wherein: the size of the sealing sleeve (11) is matched with the size of the inside of the thimble guide seat (1) uniformly, a rubber sleeve is arranged on the outer wall of the seat body of the sealing sleeve (11), and the rubber sleeve is nested on the sealing sleeve (11) and is fixed through strong glue.
4. A spray gun air valve as claimed in claim 1, wherein: the air valve is characterized in that the sealing seat (8) is matched with a valve port (7) of the air valve seat (2) in size consistently, a rubber cover is arranged on a seat body of the sealing seat (8), and the rubber cover is nested on the sealing seat (8) and is fixed through strong glue.
5. A spray gun air valve as claimed in claim 1, wherein: the air holes (5) are uniformly distributed on the thimble guide seat (1) and are communicated with the inside of the thimble guide seat (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921528687.0U CN210800175U (en) | 2019-09-16 | 2019-09-16 | Air valve of spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921528687.0U CN210800175U (en) | 2019-09-16 | 2019-09-16 | Air valve of spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210800175U true CN210800175U (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921528687.0U Active CN210800175U (en) | 2019-09-16 | 2019-09-16 | Air valve of spray gun |
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| Country | Link |
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| CN (1) | CN210800175U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236965A (en) * | 2021-03-25 | 2021-08-10 | 上海舜华新能源系统有限公司 | Thimble type conveying channel, clamping jaw type valve body structure and hydrogenation gun |
-
2019
- 2019-09-16 CN CN201921528687.0U patent/CN210800175U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236965A (en) * | 2021-03-25 | 2021-08-10 | 上海舜华新能源系统有限公司 | Thimble type conveying channel, clamping jaw type valve body structure and hydrogenation gun |
| CN113236965B (en) * | 2021-03-25 | 2023-03-14 | 上海舜华新能源系统有限公司 | Jaw type valve body structure and hydrogenation gun |
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