CN2837547Y - Pneumatic pump and spraying coater thereof - Google Patents
Pneumatic pump and spraying coater thereof Download PDFInfo
- Publication number
- CN2837547Y CN2837547Y CN 200520091320 CN200520091320U CN2837547Y CN 2837547 Y CN2837547 Y CN 2837547Y CN 200520091320 CN200520091320 CN 200520091320 CN 200520091320 U CN200520091320 U CN 200520091320U CN 2837547 Y CN2837547 Y CN 2837547Y
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- CN
- China
- Prior art keywords
- valve
- spool
- master cylinder
- round platform
- radial hole
- 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 - Fee Related
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- Reciprocating Pumps (AREA)
Abstract
The utility model provides a novel pneumatic pump, which comprises a main gas cylinder, a main plunger, a pilot valve I, a pilot valve II, a reversing valve and a gas distributing block, wherein the main piston is arranged in the main gas cylinder and divides the main gas cylinder into two chambers, and the pilot valve I and the pilot valve II are arranged at both ends of the main gas cylinder and are respectively communicated with cavity bodies at both ends of a valve core of the reversing valve; the reversing valve is connected with the gas distributing block, and the gas distributing block is used for controlling a gas inlet passage of the main air cylinder. The utility model is characterized in that the utility model is provided with an exhaust valve, and the exhaust valve is connected with the reversing valve in parallel; a valve core of the exhaust valve is linked with the valve core of the reversing valve, and the valve core of the exhaust valve is used for controlling an exhaust passage of the main air cylinder; thus, waste gas can be smoothly exhausted out and the leakage can not be caused. The utility model also provides an airless sprayer which mainly comprises a novel pump, a paint pump, a strum and a high pressure filter. The pneumatic pump drives the paint pump, the paint pump suck paint insides via the strum and the paint is sprayed out via the high pressure filter. The novel pneumatic pump and the airless sprayer provided by the utility model has the advantages that the reversing action is accurate, the leakage phenomenon can not occur and the continuous operation time is long.
Description
Technical field
The utility model relates to pneumatic pump, specifically, and the automatic reverse pump.
Background technique
Be widely used in the painting work of all trades and professions at present, but this spraying machine in use also exposes some problems, the changement commutation is not in place, leaks easily, and stream time is short.
Summary of the invention
The purpose of this utility model is to provide that a kind of commutation puts in place, leak free pneumatic pump and spraying machine thereof.
The utility model provides a kind of novel pneumatic pump, comprise master cylinder (11), main piston (12), pilot valve I (13), pilot valve II (14), selector valve (15), distribution piece (16), main piston (12) places master cylinder (11) lining that master cylinder (11) is divided into two Room, pilot valve I (13) and pilot valve II (14) place the two ends of master cylinder (11), and communicate with selector valve (15) spool two ends cavity respectively, selector valve (15) links to each other with distribution piece (16), the intake duct of distribution piece (16) control master cylinder (11), it is characterized in that: be provided with outlet valve (17), the cavity of resorption that outlet valve (17) spool forms communicates with the cavity of resorption of described selector valve (15), the epicoele that outlet valve (17) spool forms communicates with the epicoele of described selector valve (15), the spool of outlet valve (17) is by the spool control of selector valve (15), the air outlet flue of the spool control selector valve (15) of outlet valve (17).
The spool interlock of the spool of outlet valve (17) and selector valve (15), the air outlet flue of the spool control selector valve (15) of outlet valve (17).Like this, waste gas can be discharged smoothly, can not cause leakage.
The novel pneumatic pump that the utility model provides, upper air-vent and following exhaust port can be arranged on its outlet valve (17) valve body, outlet valve (17) spool two ends have axial bore respectively, the outer end of axial bore communicates with epicoele and the cavity of resorption that spool forms respectively, and the inner end of axial bore communicates with radial hole in the upper and lower round platform of spool respectively; When spool will descend terminal point, radial hole under the spool in the round platform communicates with following exhaust port on the valve body, radial hole in the last round platform begins to depart from the upper air-vent on the valve body thus, when spool will be gone up terminal point, radial hole on the spool in the round platform communicates with upper air-vent on the valve body, and the radial hole in the following round platform begins to depart from the following exhaust port on the valve body thus.
The novel pneumatic pump that the utility model provides, its selector valve (15) spool can pass through shift fork (18) and link to each other with outlet valve (17) spool with distribution piece (16).Like this, distribution piece (16) and outlet valve (17) can rationally be arranged, in order to avoid be suspended on selector valve (15) side, produce bending force.
The utility model also provides a kind of airless sprayer, mainly comprise pneumatic pump (1), paint pump (2), suction screen (3), high pressure filter (4), pneumatic pump drives paint pump (2), paint pump (2) sucks coating by suction screen (3), spray through high pressure filter (4) again, pneumatic pump, (1) comprises master cylinder (11), main piston (12), pilot valve I (13), pilot valve II (14), selector valve (15), distribution piece (16), main piston (12) places master cylinder (11) lining that master cylinder (11) is divided into two Room, pilot valve I (13) and pilot valve II (14) place the two ends of master cylinder (11), and communicate with selector valve (15) spool two ends cavity respectively, selector valve (15) links to each other with distribution piece (16), the intake duct of distribution piece (16) control master cylinder (11), it is characterized in that: be provided with outlet valve (17), outlet valve (17) is in parallel with described selector valve (15), the spool interlock of the spool of outlet valve (17) and selector valve (15), the air outlet flue of the spool control selector valve (15) of outlet valve (17).Like this, waste gas can be discharged smoothly, can not cause leakage.
The airless sprayer that the utility model provides, upper air-vent and following exhaust port can be arranged on its outlet valve (17) valve body, outlet valve (17) spool two ends have axial bore respectively, the outer end of axial bore communicates with epicoele and the cavity of resorption that spool forms respectively, and the inner end of axial bore communicates with radial hole in the upper and lower round platform of spool respectively; When spool will descend terminal point, radial hole under the spool in the round platform communicates with following exhaust port on the valve body, radial hole in the last round platform begins to depart from the upper air-vent on the valve body thus, when spool will be gone up terminal point, radial hole on the spool in the round platform communicates with upper air-vent on the valve body, and the radial hole in the following round platform begins to depart from the following exhaust port on the valve body thus.
The airless sprayer that the utility model provides, its selector valve (15) spool can pass through shift fork (18) and link to each other with outlet valve (17) spool with distribution piece (16).Like this, distribution piece (16) and outlet valve (17) can rationally be arranged, in order to avoid be suspended on selector valve (15) side, produce bending force.
The novel pneumatic pump that the utility model provides and the advantage of airless sprayer thereof are: commutation puts in place, can not leak, and stream time is long.
Description of drawings
Fig. 1 is a novel pneumatic pump structure schematic representation;
Fig. 2 is the reversing principle figure of novel pneumatic pump;
Fig. 3 is the structural representation of airless sprayer.
Embodiment
Embodiment 1
A kind of airless sprayer mainly comprises pneumatic pump (1), paint pump (2), suction screen (3), high pressure filter (4), and pneumatic pump drives paint pump (2), and paint pump (2) sucks coating by suction screen (3), sprays through high pressure filter (4) again.Pneumatic pump, comprise master cylinder (11), main piston (12), pilot valve I (13), pilot valve II (14), selector valve (15), distribution piece (16), main piston (12) places master cylinder (11) lining that master cylinder (11) is divided into two Room, pilot valve I (13) and pilot valve II (14) place the two ends of master cylinder (11), and communicate with selector valve (15) spool two ends cavity respectively, selector valve (15) links to each other with distribution piece (16), the intake duct of distribution piece (16) control master cylinder (11), pneumatic pump is provided with outlet valve (17), outlet valve (17) is in parallel with described selector valve (15), the spool interlock of the spool of outlet valve (17) and selector valve (15), the air outlet flue of the spool control selector valve (15) of outlet valve (17).
Upper air-vent and following exhaust port can be arranged on outlet valve (17) valve body, outlet valve (17) spool two ends have axial bore respectively, the outer end of axial bore communicates with epicoele and the cavity of resorption that spool forms respectively, and the inner end of axial bore communicates with radial hole in the upper and lower round platform of spool respectively; When spool will descend terminal point, radial hole under the spool in the round platform communicates with following exhaust port on the valve body, radial hole in the last round platform begins to depart from the upper air-vent on the valve body thus, when spool will be gone up terminal point, radial hole on the spool in the round platform communicates with upper air-vent on the valve body, and the radial hole in the following round platform begins to depart from the following exhaust port on the valve body thus.
Selector valve (15) spool links to each other with outlet valve (17) spool with distribution piece (16) by shift fork (18).
The working principle of this airless sprayer:
When being about under the main piston (12) to following initial point, run into the push rod of pilot valve II (14), pilot valve II (14) is opened, pressurized air enters the epicoele of selector valve (15) by pilot valve II (14), it is descending to promote selector valve (15) spool, and goes downwards to down initial point by shift fork (18) promotion distribution piece (16), and pressurized air enters cylinder (11) cavity of resorption by middle window, lower window, it is up to promote main piston (12), realizes commutation.
When being about under selector valve (15) spool to following initial point, radial hole under the spool in the round platform communicates with following exhaust port on the valve body, radial hole under the cavity of resorption that air in selector valve (15) cavity of resorption forms by outlet valve (17) spool, the axial bore of outlet valve (17) spool, the spool in the round platform and the following exhaust port on the valve body communicate with atmosphere, outlet valve (17) spool begins up under the promotion of shift fork (18), and outlet valve (17) is realized commutation.
Vice versa.
The characteristics of this airless sprayer are as follows:
1, the pressure ratio of equipment is:, can satisfy the needs that spray paint under the general condition.
2, paint pump (2) cylinder body and piston rod adopt the 38CcrMoAr material, carry out nitriding treatment and precision grinding, make paint pump (2) cylinder body and piston rod reach very high roughness and have increased the wear-resisting property and the working life of accessory firmly.
3, pneumatic pump and paint pump (2) design mix body structure, filter (4) connected with being connected with spherical joint of paint pump (2), had reached seal request, was convenient to disassemble and repair.
4, master cylinder (11) body and function alloy cast aluminium has guaranteed the bearing capacity of master cylinder (11) body, has alleviated the weight of equipment.
5, key position has adopted the seal ring that Reinforced Nylon is made, and has increased the reliability of sealing.
6, compressed-air actuated interface is placed directly in the centre of distribution window, and the pressure loss is little.
7, selector valve (15) is arranged on the top of distributing valve, promotes distribution piece (16) commutation by shift fork, has reduced the volume of equipment.
8, be provided with outlet valve (17) on the next door of selector valve (15), solved the exhausting problem of selector valve (15).
Claims (6)
1, a kind of novel pneumatic pump, comprise master cylinder (11), main piston (12), pilot valve I (13), pilot valve II (14), selector valve (15), distribution piece (16), main piston (12) places master cylinder (11) lining that master cylinder (11) is divided into two Room, pilot valve I (13) and pilot valve II (14) place the two ends of master cylinder (11), and communicate with selector valve (15) spool two ends cavity respectively, selector valve (15) links to each other with distribution piece (16), the intake duct of distribution piece (16) control master cylinder (11), it is characterized in that: be provided with outlet valve (17), the cavity of resorption that outlet valve (17) spool forms communicates with the cavity of resorption of described selector valve (15), the epicoele that outlet valve (17) spool forms communicates with the epicoele of described selector valve (15), the spool of outlet valve (17) is by the spool control of selector valve (15), the air outlet flue of the spool control selector valve (15) of outlet valve (17).
2, according to the described novel pneumatic pump of claim 1, it is characterized in that: upper air-vent and following exhaust port are arranged on described outlet valve (17) valve body, outlet valve (17) spool two ends have axial bore respectively, the outer end of axial bore communicates with epicoele and the cavity of resorption that spool forms respectively, and the inner end of axial bore communicates with radial hole in the upper and lower round platform of spool respectively; When spool will descend terminal point, radial hole under the spool in the round platform communicates with following exhaust port on the valve body, radial hole in the last round platform begins to depart from the upper air-vent on the valve body thus, when spool will be gone up terminal point, radial hole on the spool in the round platform communicates with upper air-vent on the valve body, and the radial hole in the following round platform begins to depart from the following exhaust port on the valve body thus.
3, according to the described novel pneumatic pump of claim 1, it is characterized in that: described selector valve (15) spool links to each other with outlet valve (17) spool with distribution piece (16) by shift fork (18).
4, a kind of spraying machine, mainly comprise pneumatic pump (1), paint pump (2), suction screen (3), high pressure filter (4), pneumatic pump drives paint pump (2), paint pump (2) sucks coating by suction screen (3), spray through high pressure filter (4) again, pneumatic pump (1) comprises master cylinder (11), main piston (12), pilot valve I (13), pilot valve II (14), selector valve (15), distribution piece (16), main piston (12) places master cylinder (11) lining that master cylinder (11) is divided into two Room, pilot valve I (13) and pilot valve II (14) place the two ends of master cylinder (11), and communicate with selector valve (15) spool both sides cavity respectively, selector valve (15) links to each other with distribution piece (16), the intake duct of distribution piece (16) control master cylinder (11), it is characterized in that: be provided with outlet valve (17), outlet valve (17) is in parallel with described selector valve (15), the spool interlock of the spool of outlet valve (17) and selector valve (15), the air outlet flue of the spool control selector valve (15) of outlet valve (17).
5, according to the described spraying machine of claim 4, it is characterized in that: upper air-vent and following exhaust port are arranged on described outlet valve (17) valve body, outlet valve (17) spool two ends have axial bore respectively, the outer end of axial bore communicates with epicoele and the cavity of resorption that spool forms respectively, and the inner end of axial bore communicates with radial hole in the upper and lower round platform of spool respectively; When spool will descend terminal point, radial hole under the spool in the round platform communicates with following exhaust port on the valve body, radial hole in the last round platform departs from the upper air-vent on the valve body, when spool will be gone up terminal point, radial hole on the spool in the round platform communicates with upper air-vent on the valve body, and the radial hole in the following round platform departs from the following exhaust port on the valve body.
6, according to the described spraying machine of claim 4, it is characterized in that: described selector valve (15) spool links to each other with outlet valve (17) spool with distribution piece (16) by shift fork (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520091320 CN2837547Y (en) | 2005-06-16 | 2005-06-16 | Pneumatic pump and spraying coater thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520091320 CN2837547Y (en) | 2005-06-16 | 2005-06-16 | Pneumatic pump and spraying coater thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2837547Y true CN2837547Y (en) | 2006-11-15 |
Family
ID=37392032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520091320 Expired - Fee Related CN2837547Y (en) | 2005-06-16 | 2005-06-16 | Pneumatic pump and spraying coater thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2837547Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101502823B (en) * | 2009-03-12 | 2010-09-29 | 袁铁柱 | Non-gaseous coating apparatus |
| CN103657919A (en) * | 2013-10-24 | 2014-03-26 | 江苏凯富铸业有限公司 | Paint spraying machine used for casting in V method |
-
2005
- 2005-06-16 CN CN 200520091320 patent/CN2837547Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101502823B (en) * | 2009-03-12 | 2010-09-29 | 袁铁柱 | Non-gaseous coating apparatus |
| CN103657919A (en) * | 2013-10-24 | 2014-03-26 | 江苏凯富铸业有限公司 | Paint spraying machine used for casting in V method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |