CN201815423U - Electric spray gun capable of preventing liquid from reflowing - Google Patents
Electric spray gun capable of preventing liquid from reflowing Download PDFInfo
- Publication number
- CN201815423U CN201815423U CN201020532255XU CN201020532255U CN201815423U CN 201815423 U CN201815423 U CN 201815423U CN 201020532255X U CN201020532255X U CN 201020532255XU CN 201020532255 U CN201020532255 U CN 201020532255U CN 201815423 U CN201815423 U CN 201815423U
- Authority
- CN
- China
- Prior art keywords
- spray gun
- seat
- nozzle
- hole
- inner chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
An electric spray gun capable of preventing liquid from reflowing comprises a motor, a gun seat, a handle 20 and a nozzle 3. The gun seat comprises a back seat 13 and a spray gun seat 7, a guiding shaft sleeve 6 is fixed in an inner cavity of the spray gun seat 7, an ejector pin 4 capable of moving axially is arranged in the guiding shaft sleeve and connected with a trigger 10, the nozzle 3 is detachably fixedly connected to the spray gun seat 7, and a liquid discharging hole on the nozzle 3 corresponds to the ejector pin 4. The motor is installed at the rear of a back seat 13, an inner cavity at the front end of the back seat is provided with a connecting sleeve 12, an inner cavity of connecting sleeve is provided with valve 11 capable of preventing liquid paint or similar liquid from flowing into the back seat, the valve comprises an outer sleeve 14, a fastening ring 15 and a stop sheet 16, the outer surface of the fastening ring 15 matches with the inner surface of the outer sleeve 14, the stop sheet 16 capable of sliding axially is installed between the outer sleeve and the fastening ring, and the outer surface of the outer sleeve tightly matches with the inner surface of the connecting sleeve.
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, relates in particular to a kind of liquid that prevents and flows into the electric spray gun in the rifle body seat back cavity.
Background technology
In the prior art, spray gun for paint is realized painting by the thimble in the control rifle body seat guideway and the gap of jet expansion or the atomizing ejection of coating or stop to spray, for preventing that the processed medium in the storage container from flowing into rifle body seat through guideway, at the thimble outer surface plastic seal is installed, this plastic seal be provided with the contacted flange of guideway inwall and two cross sections be semicircular sleeve pipe, each sleeve pipe all has groove, can match with the ledge on the thimble to make it to be fixed on the thimble.This plastic seal that is fixed on the thimble, there are defectives such as complex structure, cost height, installation inconvenience, and owing to the long-time friction of flange on the plastic seal and the guideway inwall slit that produces easy to wear, cause its sealing property to reduce, the back cavity that paint or liquid such as coating easily enter rifle body seat by this slit influences the insulating properties of motor coil, makes the electric spray gun cisco unity malfunction even scraps.
Summary of the invention
The purpose of this utility model provides a kind of simple in structure, good seal performance, and can prevent that liquid lacquer or similar liquid body are back to the electric spray gun in the rifle body seat back cavity.
The utility model includes motor, rifle body seat, handle, nozzle, and described rifle body seat comprises back pedestal and spray gun seat, and back pedestal adopts with the spray gun seat and is threaded; The inner chamber of spray gun seat is fixed with guideway, and being provided with in the guideway can axially movable thimble, and thimble is connected with the plate machine, and 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; Motor is contained in the afterbody of back pedestal, the front end inner chamber of described back pedestal is provided with coupling sleeve, the inner chamber of coupling sleeve is provided with and can prevents that liquid from flowing into the valve of back pedestal, and described valve includes overcoat, snap ring and non-return sheet, and the non-return sheet is installed between overcoat and the snap ring and can endwisely slips.
The outer surface of described valve overcoat and the inner surface of coupling sleeve closely cooperate, and the outer surface of snap ring matches with the inner surface of overcoat.The overcoat of valve is cylindrical, extends to an annular platform to central authorities around its inner chamber, and the middle part of this platform is provided with a through hole, and an end face of non-return sheet can be covered in the edge of this through hole.For improving sealing property, the non-return sheet is coniform with respect to an end face of overcoat, and the other end of non-return sheet is provided with slide bar.Snap ring is the cylinder of hollow, and its inner chamber radially is provided with the rib more than two or two, and the crossing place of above-mentioned rib is provided with through hole, and the slide bar of non-return sheet can slide in this through hole.Be with back-moving spring on the described slide bar, under the effect of this back-moving spring, can make the taper seat of non-return sheet be close to the edge of overcoat inner chamber platform through hole.
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 of button is that hand is pressed portion, 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 the inner chamber at coupling sleeve is provided with valve, when electric spray gun work, the resistance that the compressed air that motor produces overcomes back-moving spring makes the non-return sheet in the valve move axially to the nozzle direction, compressed air just can enter in the storage container by the gas passage of spray gun seat, and liquid lacquer or similar liquids are sprayed from nozzle.If electric spray gun quits work, because of there not being compressed air, under the effect of back-moving spring, the edge of the inner chamber annular platform through hole of non-return sheet in the valve and overcoat is close to, thereby prevent that effectively liquid state lacquer or similar liquids in the spray gun seat from entering back pedestal afterbody and damaging motor, improved the service life 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 is provided with coupling sleeve 12, the inner chamber of coupling sleeve is provided with and can prevents that liquid lacquer or similar liquids from flowing into the valve 11 of back pedestal, described valve includes overcoat 14, snap ring 15 and non-return sheet 16, the outer surface of snap ring 15 matches with the inner surface of overcoat 14, non-return sheet 16 is installed between overcoat and the snap ring and can endwisely slips, and the inner surface of the outer surface of overcoat 14 and coupling sleeve 12 closely cooperates.Valve overcoat 14 is cylindrical, extends to an annular platform 14-1 to central authorities around its inner chamber, and the middle part of this platform is provided with a through hole, and the tapered end face of non-return sheet 16 can be covered in the edge of this through hole.Non-return sheet 16 is provided with slide bar 9 on the opposite other end of tapered end face.Snap ring 15 is the cylinder of hollow, and its inner chamber radially is provided with three ribs, and these three rib phase crossing places are provided with a through hole, and the slide bar 9 on the non-return sheet can endwisely slip in this through hole.Back-moving spring 17 skies are enclosed within on the slide bar 9.When electric spray gun is not worked, under the effect of back-moving spring 17, can make the taper seat of non-return sheet 16 be adjacent to the edge of overcoat 14 inner chamber annular platform through holes, flow in the back pedestal 13 to influence the insulating properties of motor coil to stop the liquid in the spray gun 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.
Claims (8)
1. electric spray gun that can prevent that liquid from refluxing, comprise motor, rifle body seat, handle (20), nozzle (3), described rifle body seat comprises back pedestal (13) and spray gun seat (7), back pedestal adopts with the spray gun seat and is threaded, motor is contained in the afterbody of back pedestal, spray gun seat (7) inner chamber 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: the front end inner chamber of described back pedestal (13) is provided with coupling sleeve (12), the inner chamber of coupling sleeve (12) is provided with and can prevents that liquid from flowing into the valve (11) of back pedestal, described valve includes overcoat (14), snap ring (15) and non-return sheet (16), non-return sheet (16) are installed between overcoat (14) and the snap ring (15) and can endwisely slip.
2. electric spray gun according to claim 1 is characterized in that: its outer surface of overcoat (14) in the described valve (11) and the inner surface of coupling sleeve (12) closely cooperate, and the outer surface of snap ring (15) matches with the inner surface of overcoat (14).
3. according to claim 1 or 2 described electric spray guns, it is characterized in that: valve overcoat (14) is cylindrical, extend to an annular platform (14-1) to central authorities around its inner chamber, the middle part of this platform is provided with a through hole, and an end face of non-return sheet can be covered in the edge of this through hole.
4. electric spray gun according to claim 3, it is characterized in that: the non-return sheet (16) of valve is coniform with respect to an end face of overcoat (14), the other end of non-return sheet (16) is provided with slide bar (9), snap ring (15) is the cylinder of hollow, its inner chamber radially is provided with the rib more than two or two, the crossing place of above-mentioned rib is provided with through hole, slide bar on the non-return sheet (9) can slide in this through hole, be with back-moving spring (17) on the described slide bar (9), under the effect of back-moving spring (17), can make the taper seat of non-return sheet (16) be close to the edge of overcoat inner chamber platform (14-1) through hole.
5. according to claim 1 or 2 described electric spray guns, it is characterized in that: 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 of described button 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 (5).
6. electric spray gun according to claim 4, it is characterized in that: 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 (5).
7. 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.
8. according to claim 4 or 6 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) 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 |
|---|---|---|---|
| CN201020532255XU CN201815423U (en) | 2010-09-17 | 2010-09-17 | Electric spray gun capable of preventing liquid from reflowing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020532255XU CN201815423U (en) | 2010-09-17 | 2010-09-17 | Electric spray gun capable of preventing liquid from reflowing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201815423U true CN201815423U (en) | 2011-05-04 |
Family
ID=43913395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020532255XU Expired - Lifetime CN201815423U (en) | 2010-09-17 | 2010-09-17 | Electric spray gun capable of preventing liquid from reflowing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201815423U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105521888A (en) * | 2016-01-27 | 2016-04-27 | 浙江普莱得电器有限公司 | Spray gun |
| CN111050922A (en) * | 2017-09-14 | 2020-04-21 | 瓦格纳喷涂技术有限公司 | Airless spray gun with improved trigger assembly |
-
2010
- 2010-09-17 CN CN201020532255XU patent/CN201815423U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105521888A (en) * | 2016-01-27 | 2016-04-27 | 浙江普莱得电器有限公司 | Spray gun |
| CN111050922A (en) * | 2017-09-14 | 2020-04-21 | 瓦格纳喷涂技术有限公司 | Airless spray gun with improved trigger assembly |
| US10940498B2 (en) | 2017-09-14 | 2021-03-09 | Wager Spray Tech Corporation | Airless spray gun with improved trigger assembly |
| CN111050922B (en) * | 2017-09-14 | 2022-06-21 | 瓦格纳喷涂技术有限公司 | Airless spray gun with improved trigger assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2001066261A3 (en) | Modular fluid spray gun | |
| CN203899782U (en) | Water mist spray head with automatic switching function | |
| CN215429666U (en) | Spray head for automobile hub paint spraying | |
| CN101607253B (en) | Universal rotating spray head of high-pressure and high-temperature cleaning machine | |
| CN201815423U (en) | Electric spray gun capable of preventing liquid from reflowing | |
| CN107683179A (en) | Pressure feed accessory adapters for airless spray gun | |
| CN201815424U (en) | Electric spray gun | |
| CN204724352U (en) | A kind of energy-saving environmental protection multifunction spray gun | |
| CN2912817Y (en) | Two-phase incised type inner atomization lance | |
| CN104741262B (en) | Split type handheld spray gun | |
| CN202667059U (en) | Valve needle structure of electronic spray gun | |
| CN217489621U (en) | Special shower nozzle of fire-fighting lance | |
| CN201283320Y (en) | Double-layer atomising spraying nozzle | |
| CN201586585U (en) | Nozzle structure of electric spray gun | |
| CN210906629U (en) | DC atomizing water gun and water sprayer | |
| CN201287086Y (en) | Washing-disinfecting spray head | |
| CN208244990U (en) | A kind of electrostatic gun | |
| CN202823694U (en) | External-mix type adjustable low-dispersion atomizing spray gun and spraying assembly thereof | |
| CN203695274U (en) | Electric spraying gun capable of remotely spraying | |
| CN215902002U (en) | Real mineral varnish spraying gun | |
| CN103055459B (en) | Rotation type foam fire suppression device | |
| CN209237224U (en) | It is a kind of to be atomized hydraulic giant with the direct current for being quickly converted function | |
| CN201815422U (en) | Electric spray gun capable of adjusting air inlet pressure of storage container | |
| CN208998089U (en) | A kind of fluorine-containing liquid waste spray gun | |
| CN211489557U (en) | Spray gun type punch lubricating mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110504 |