CN201815422U - Electric spray gun capable of adjusting air inlet pressure of storage container - Google Patents
Electric spray gun capable of adjusting air inlet pressure of storage container Download PDFInfo
- Publication number
- CN201815422U CN201815422U CN2010205322136U CN201020532213U CN201815422U CN 201815422 U CN201815422 U CN 201815422U CN 2010205322136 U CN2010205322136 U CN 2010205322136U CN 201020532213 U CN201020532213 U CN 201020532213U CN 201815422 U CN201815422 U CN 201815422U
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- Prior art keywords
- spray gun
- storage container
- hole
- seat
- spool
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Abstract
An electric spray gun capable of adjusting the air inlet pressure of a storage container comprises an electric motor, a gun body seat, a handle 20 and a spray nozzle 3, wherein a guide shaft sleeve 6 is fixed in an inner cavity of the gun body seat; a thimble 4 capable of moving axially is arranged in the guide shaft sleeve and is connected with a trigger 10; the spray nozzle 3 is detachably fixed on the spray gun seat 7 through the threaded connection of a screw cap 1; a liquid outlet hole on the spray nozzle 3 corresponds to the thimble 4; a storage container 5 is connected with the front part of the gun body seat; the guide shaft sleeve 6 is communicated with the inner cavity of the storage container 5 through a pipeline 23, so as to form a liquid channel; an air channel in the gun body seat is communicated with the inner cavity of the storage container 5 through a pipeline 24, so as to from a gas channel; a one-way valve 14 is arranged on the gas channel in a position on an upper cover of the storage container 5, and comprises an outer sleeve 15, an inner sleeve 16 and a valve core 17; the valve core is mounted between the outer sleeve and the inner sleeve; a return spring 19 is arranged between the valve core and the inner sleeve; and an adjuster 22 can adjust the elastic force of the return spring 19.
Description
Technical field
The utility model relates to a kind of electric spray gun that utilizes Compressed Gas spraying liquid lacquer or similar viscous liquid, especially can regulate the electric spray gun of liquid storage container admission pressure.
Background technology
In the prior art, spray gun for paint relies on compressed-air actuated flowing fast that liquid such as the processed medium in the storage container such as liquid state lacquer or coating are produced air pressure, force liquid through guideway and nozzle ejection, for guarantee spraying in the storage container liquid continuously, the storage container inner chamber need be communicated with compressed air channel, make the liquid in the storage container under compressed-air actuated effect, flow into guideway, guarantee that again the liquid in the storage container is not excessive simultaneously.Therefore, generally, be provided with an area and the suitable thin type elastic sealing element of the inboard area of lid in the inboard of storage container loam cake, on this elastic sealing element, have some seams.When electric spray gun is not worked, elastic sealing element will stitch airtightly under the effect of elastic properties of materials, can prevent that the liquid in the storage container from overflowing from loam cake.When electric spray gun was worked, the air flue of compressed air in rifle body seat entered in the storage container, and the seam on the thin type elastic sealing element of loam cake inboard is blown open, and compressed air enters in the storage container, forced spraying in the storage container liquid continuously.But owing to be subjected to the influence of elastic sealing element material, especially the long-term use of seal is easily worn out and is caused losing efficacy, the sensitivity of the seam closure or openness on the elastic sealing element is descended greatly, tend to occur that seam on the elastic sealing element can't be opened or can not closed phenomenon, and enter in the storage container gas pressure and can not regulate, not only influence the normal use of electric spray gun, and seriously placed restrictions on the serviceability of electric spray gun.
Summary of the invention
The purpose of this utility model provides and a kind ofly overcomes above-mentioned defective, and simple in structure, functional reliability is high, can effectively regulate the electric spray gun of storage container admission pressure.
The utility model includes motor, rifle body seat, handle, nozzle and storage container, the inner chamber of rifle body seat is fixed with guideway, being provided with in the guideway can axially movable thimble, thimble is connected with the plate machine, nozzle is fixed on the spray gun seat removably by being threaded of nut, and the fluid hole on the nozzle is corresponding with thimble; Storage container is connected with the front portion of rifle body seat, guideway is by the pipeline formation fluid passage that communicates with the inner chamber of storage container, air duct in the rifle body seat adopts the pipeline formation gas passage that communicates with the storage container inner chamber, loam cake or upper cover base place that described gas passage is positioned at storage container are provided with check valve, described check valve includes overcoat, interior cover and spool, spool is installed between overcoat and the interior cover, between spool and interior cover, be provided with back-moving spring, adjuster can contact with back-moving spring, to regulate the elastic force size of back-moving spring.
Overcoat in the check valve is cylindric, one end of its outer round surface is fixed in the respective aperture seat of storage container loam cake or upper cover base, circumferential surface is provided with through hole to an end of pipeline, its inwall of the other end of overcoat can match with the outer round surface of interior cover, and described spool can be any of spheroid, bullet, plane lamina.
Described spool is preferably spheroid, and an end inner chamber that is arranged with through hole outside can be equipped with catch, and the central authorities of this catch are provided with a through hole, and this through-hole diameter is less than the diameter of spool spheroid.Cover is cylindric in described, the part that matches with overcoat is provided with diameter and the degree of depth all greater than the hole slot of spool sphere diameter, the spool spheroid is placed in this hole slot and can moves axially, the below of described hole slot has the through hole that can place back-moving spring, the end of this through hole is provided with screw thread, described adjuster is a bolt, and the bolt end can contact back-moving spring by the screw thread of interior cover hole slot below.The pipeline that constitutes fluid passage can be located at the pipeline that constitutes gas passage and be used to be connected in the cylinder of storage container and rifle body seat.
Described rifle body seat comprises back pedestal and spray gun seat, the inner chamber of back pedestal is fixed with coupling sleeve and can be threaded with the employing of spray gun seat, the inner chamber of coupling sleeve is provided with the projection that can match with spray gun seat helicla flute, on rear lance, be provided with button, described button is fixed on the rear lance by bearing pin versatilely, one end is that hand is pressed portion, and its other end is the hooked part that can be meshed with the groove on the spray gun seat, the button hand press portion below be provided with back-moving spring.
Also be provided with the displacement tuyere between nozzle and the nut, the central authorities of described displacement tuyere be provided with nozzle on the corresponding outlet opening of fluid hole, described outlet opening both sides are separately installed with the form switch, described form switch can rotate around bolt or minor axis, the form switch radially be provided with a gas outlet hole, be provided with at the opposite side of gas outlet hole and dial handle.
The utility model is owing to be covered with check valve on storage container, when electric spray gun is worked, the compressed air that motor produces moves down the spheroid in the valve through the gas passage of rifle body seat and the resistance that overcomes the check valve back-moving spring, and compressed air just can enter the gas passage and the storage container of rifle body seat and force liquid lacquer or similar liquids to spray from nozzle.If electric spray gun quits work, because of there not being compressed air, under the effect of back-moving spring, the spool in the valve just enclosed storage container leads to the gas passage of rifle body seat, and liquid state in the pedestal is coated with lacquer or similar liquid body enters rifle body seat and leak thereby avoid spraying.In addition, in check valve, be provided with the adjusting device that to regulate back-moving spring elastic force, and then reach the purpose that adjusting enters gas pressure in the storage container, improved the serviceability and the functional reliability of electric spray gun greatly.
Description of drawings
Fig. 1 is the structural representation of utility model;
Fig. 2 is a shaft side figure of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail:
The utility model comprises motor, rifle body seat, handle 20, nozzle 3, rifle body seat comprises back pedestal 13 and spray gun seat 7, spray gun seat 7 inner chambers are fixed with guideway 6, being provided with in the described guideway can axially movable thimble 4, thimble is connected with plate machine 10 by connector, nozzle 3 is fixed on the spray gun seat 7 removably by being threaded of nut 1, and the fluid hole on the nozzle 3 is corresponding with thimble 4.Motor is contained in the afterbody of back pedestal 13, the front end inner chamber of described back pedestal 13 is provided with coupling sleeve 12, guideway 6 is by the pipeline 23 formation fluid passage that communicates with the inner chamber of storage container 5, gas passage in the rifle body seat is communicated by the inner chamber of pipeline 24 with storage container 5, described gas passage is provided with check valve 14 at the loam cake or the upper cover base 11 of storage container 5, described check valve 14 includes overcoat 15, interior cover 16 and spool spheroid 17, spool spheroid 17 is installed between overcoat and the interior cover, is provided with back-moving spring 19 between spool spheroid 17 and interior cover 16.Overcoat 15 in the check valve 14 is cylindric, and an end of its outer round surface is fixed in the respective aperture seat of storage container loam cake or upper cover base.Described overcoat 15 is provided with through hole in the end towards pipeline 24, its inwall of the other end of overcoat 15 can match with the outer round surface of interior cover 16, the inner chamber that is provided with through hole one end at overcoat 15 can be equipped with catch 18, the central authorities of this catch are provided with a through hole, and its diameter of the through hole in the catch is less than the diameter of spool spheroid 17.Certainly, overcoat 15 is provided with the inner chamber of through hole one end also can not install catch 18, and at this moment, its diameter of the through hole of overcoat 15 is less than the diameter of spool spheroid 17.Interior cover 16 is cylindric, the part that matches with overcoat 15 is provided with diameter and the degree of depth all greater than the hole slot of spool spheroid 17 diameters, spool spheroid 17 is placed in this hole slot, the below of described hole slot has the through hole that can place back-moving spring 19, the end of this through hole is provided with screw thread, and bolt 26 can contact back-moving spring 19 by being threaded.The pipeline 23 that constitutes fluid passage can be located at the pipeline 24 that constitutes gas passage and be used to be connected in the cylinder 25 of storage container and rifle body seat.
Also be provided with displacement tuyere 2 between nozzle 3 and the nut 1, the central authorities of displacement tuyere 2 be provided with nozzle 3 on the corresponding outlet opening of fluid hole, described outlet opening both sides are separately installed with the form switch, described form switch can rotate around bolt or minor axis, the form switch radially be provided with a gas outlet hole, be provided with at the opposite side of gas outlet hole and dial handle.When need change the shape that liquid sprays, as long as stir handle, the angle between gas outlet hole on the change form switch and the nozzle central authorities fluid hole can realize.If make the shape of liquid ejection is fan-shaped or oval, but the moving handle of dialling of plate, make the fluid hole of the close nozzle central authorities of gas outlet hole on the form switch, at this moment, compressed air is through the liquid generation pressure of gas outlet hole to the fluid hole ejection, and the liquid that makes it to spray forms fan-shaped or ellipticity.
When electric spray gun is worked, gas passage and the pipeline 24 of compressed air in rifle body seat that motor produces, overcome the resistance of check valve back-moving spring 19, promotion spool spheroid 17 moves down and enters in the storage container 5, at this moment, under compressed-air actuated effect, force liquid state lacquer or similar liquids in the storage container 5 to enter guideway 6 again through the fluid hole ejection of nozzle 3 by pipeline 23, control panel machine 10 can be regulated the gap between thimble 4 and nozzle 3 fluid holes.If electric spray gun quits work, under the effect of back-moving spring 19, spool spheroid 17 can be sealed the through hole of catch 18 and the through hole of overcoat 15 ends, prevents that effectively liquid state lacquer in the spray gun seat 7 from entering the spray gun seat and leak.Turn bolt 26 can change the elastic force of back-moving spring 19, regulates the purpose that enters gas pressure in the storage container 5 thereby reach.
Claims (9)
1. can regulate the electric spray gun that the storage container air inlet is pressed for one kind, comprise motor, rifle body seat, handle (20), nozzle (3), the inner chamber of rifle body seat is fixed with guideway (6), being provided with in the described guideway can axially movable thimble (4), thimble (4) is connected with plate machine (10), nozzle (3) is fixed on the spray gun seat (7) removably by being threaded of nut (1), fluid hole on the nozzle (3) is corresponding with thimble (4), it is characterized in that: storage container (5) is connected with the front portion of rifle body seat, guideway (6) is by pipeline (23) the formation fluid passage that communicates with the inner chamber of storage container (5), air duct in the rifle body seat adopts pipeline (24) the formation gas passage that communicates with the inner chamber of storage container (5), loam cake or upper cover base place (11) that described gas passage is positioned at storage container (5) are provided with check valve (14), described check valve (14) includes overcoat (15), interior cover (16) and spool (17), spool is installed between overcoat and the interior cover, between spool and interior cover, be provided with back-moving spring (19), adjuster (26) can contact with back-moving spring (19), to regulate the elastic force size of back-moving spring (19).
2. electric spray gun according to claim 1, it is characterized in that: the overcoat (15) in the check valve (14) is cylindric, one end of its outer round surface is fixed in the respective aperture seat of storage container loam cake or upper cover base (11), described overcoat (15) is provided with through hole at the end towards pipeline (24), its inwall of the other end of overcoat (15) can match with the outer round surface of interior cover (16), and described spool (17) can be any of spheroid, bullet, plane lamina.
3. electric spray gun according to claim 2, it is characterized in that: described spool (17) is a spheroid, the inner chamber that is provided with through hole one end at overcoat (15) can be equipped with catch (18), and the central authorities of this catch are provided with a through hole, and described catch through-hole diameter is less than the diameter of spool spheroid (17).
4. according to the electric spray gun of claim 2 or 3, it is characterized in that: cover (16) is cylindric in described, the part that matches with overcoat (15) is provided with diameter and the degree of depth all greater than the hole slot of spool spheroid (17) diameter, spool spheroid (17) is placed in this hole slot and can moves axially, the below of described hole slot has the through hole that can place back-moving spring (19), the end of this through hole is provided with screw thread, described adjuster (26) is a bolt, and the bolt end can contact back-moving spring (19) by the screw thread of interior cover (16) hole slot below.
5. according to the electric spray gun of claim 4, it is characterized in that: the pipeline (23) that constitutes fluid passage can be located at the pipeline (24) that constitutes gas passage and be used to be connected in the cylinder (25) of storage container and rifle body seat.
6. according to claim 1 or 2 described electric spray guns, it is characterized in that: described rifle body seat comprises back pedestal (13) and spray gun seat (7), the inner chamber of back pedestal is fixed with coupling sleeve (12) and can be threaded with the employing of spray gun seat, the inner chamber of coupling sleeve (12) is provided with the projection that can match with spray gun seat (7) helicla flute (21), on rear lance (13), be provided with button (8), described button (8) is fixed on the rear lance by bearing pin versatilely, one end is that hand is pressed portion (8-1), the hooked part (8-2) of its other end for being meshed with the groove (22) on the spray gun seat, the below of pressing portion (8-1) at the button hand is provided with back-moving spring (9).
7. electric spray gun according to claim 4, it is characterized in that: described rifle body seat comprises back pedestal (13) and spray gun seat (7), the inner chamber of back pedestal is fixed with coupling sleeve (12) and can be threaded with the employing of spray gun seat, the inner chamber of coupling sleeve (12) is provided with the projection that can match with spray gun seat (7) helicla flute (21), on rear lance (13), be provided with button (8), described button (8) is fixed on the rear lance by bearing pin versatilely, one end is that hand is pressed portion (8-1), the hooked part (8-2) of its other end for being meshed with the groove on the spray gun seat, the below of pressing portion (8-1) at the button hand is provided with back-moving spring (9).
8. according to claim 1 or 2 described electric spray guns, it is characterized in that: be provided with displacement tuyere (2) between nozzle (3) and the nut (1), the central authorities of described displacement tuyere (2) are provided with nozzle (3) and go up the corresponding outlet opening of fluid hole, described outlet opening both sides are separately installed with the form switch, described form switch can rotate around bolt or minor axis, the form switch radially be provided with a gas outlet hole, be provided with at the opposite side of gas outlet hole and dial handle.
9. electric spray gun according to claim 7, it is characterized in that: be provided with displacement tuyere (2) between nozzle (3) and the nut (1), the central authorities of described displacement tuyere (2) are provided with nozzle (3) and go up the corresponding outlet opening of fluid hole, described outlet opening both sides are separately installed with the form switch, described form switch can rotate around bolt or minor axis, the form switch radially be provided with a gas outlet hole, be provided with at the opposite side of gas outlet hole and dial handle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010205322136U CN201815422U (en) | 2010-09-17 | 2010-09-17 | Electric spray gun capable of adjusting air inlet pressure of storage container |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010205322136U CN201815422U (en) | 2010-09-17 | 2010-09-17 | Electric spray gun capable of adjusting air inlet pressure of storage container |
Publications (1)
Publication Number | Publication Date |
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CN201815422U true CN201815422U (en) | 2011-05-04 |
Family
ID=43913394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2010205322136U Expired - Lifetime CN201815422U (en) | 2010-09-17 | 2010-09-17 | Electric spray gun capable of adjusting air inlet pressure of storage container |
Country Status (1)
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CN (1) | CN201815422U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102160769A (en) * | 2011-05-13 | 2011-08-24 | 罗运高 | Multi-functional dust collector |
-
2010
- 2010-09-17 CN CN2010205322136U patent/CN201815422U/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102160769A (en) * | 2011-05-13 | 2011-08-24 | 罗运高 | Multi-functional dust collector |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20110504 |
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CX01 | Expiry of patent term |