CN2212670Y - Unloading one-way valve - Google Patents
Unloading one-way valve Download PDFInfo
- Publication number
- CN2212670Y CN2212670Y CN 94244842 CN94244842U CN2212670Y CN 2212670 Y CN2212670 Y CN 2212670Y CN 94244842 CN94244842 CN 94244842 CN 94244842 U CN94244842 U CN 94244842U CN 2212670 Y CN2212670 Y CN 2212670Y
- Authority
- CN
- China
- Prior art keywords
- valve
- unloading
- way valve
- cylinder block
- air
- 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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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Compressor (AREA)
- Safety Valves (AREA)
Abstract
The utility model discloses an unloading one-way valve, which comprises a valve body, a gas intake cavity, a gas outlet cavity and a one-way valve element. The unloading one-way valve is characterized in that the valve body is provided with an unloading valve assembly which is provided with a pipe joint connected with the gas storage barrel of an air compressor. The unloading one-way valve has the advantages that the unloading one-way valve can unload in time when the air pressure of the air storage barrel of the air compressor achieves the specified value, and the air compressor has no load to be continuously moved. The service life of the compressor is prolonged.
Description
The utility model relates to engineering part, is a kind of unloading one-way valve; Relating to elastic fluid pump in other words conj.or perhaps, is a kind of parts of the elastic fluid pump that is used for compressing.
Existing compressor, though the off-load part is also arranged, but when air compressor reaches certain pressure, air compressor continues motion, but the gas that produces can not be from existing this off-load part discharge fully, and the gas receiver internal pressure continues to rise, at this moment, air compressor just is still having under the situation of load and works, thereby has increased compressor load, just might damage air compressor or reduce working life of air compressor.
The purpose of this utility model provides a kind of and one-way valve combines the unloading one-way valve that air compressor is worked under zero load situation.
Technical solution of the present utility model is: a kind of unloading one-way valve, comprise valve body, air-inlet cavity, outlet chamber and one-way valve element, the difference of itself and prior art is: unloading valve component is housed on the valve body, has on the unloading valve component to be used for the pipe joint that is connected with the air compressor gas receiver.
Unloading valve component in the utility model comprises a cylinder block that is loaded on the valve body, piston is equipped with in the front portion in the cylinder block, piston is loaded on a push rod front end, valve block is equipped with in the push rod rear end, the valve seat with holes that the valve block inboard is and inboard wall of cylinder block is fixed, valve seat and piston space are equipped with spring, and piston nose is the cylinder head that pipe joint is housed, air-inlet cavity in cylinder block rear end and the valve body communicates, and also has the off-load relief opening on the cylinder block.Certainly, also can adopt other suitable concrete structures.
Cylinder block in the utility model is positioned at the top of valve body; Air-inlet cavity and one-way valve element are positioned on the same axis.Certainly, also can adopt other suitable structural types.
The utility model has the advantages that: can timely off-load when air compressor gas receiver air pressure reaches specified value, make air compressor continue motion down zero load substantially, avoid damaging air compressor and prolong air compressor working life.Structure is comparatively simple, cost of production is lower, and its price is about 1/2 of an old-fashioned unloading valve.Good social and economic benefit are arranged.The utility model also can be made into the different series product of size dimension, is applicable to the air compressor of plurality of specifications.Which kind of because unloading valve and one-way valve mechanism are that separate groups lumps together, therefore, keep in repair all very convenient no matter for failure cause.Also, can the fault-free use need not maintenance in several years because the sealing part of unloading valve adopts the valve block of 30CrMnSi made, and its reliability is very high.
The utility model is described in further detail below in conjunction with drawings and Examples:
Accompanying drawing is the structural representation of a kind of unloading one-way valve of the present utility model.
Accompanying drawing has been described an embodiment of the present utility model.Comprise a check valve body 12 in this embodiment, air-inlet cavity 19 and outlet chamber 20 are arranged in the check valve body 12, with outlet chamber 20 intersections the one-way valve element of being made up of spool 15, valve gap 16, spring 17 is housed at air-inlet cavity 19, more than be same as existing common non-return valve for air compressor structure substantially.On valve body 12 tops a cylinder block 14 is housed, piston 7 is equipped with in the front portion in the cylinder block 14, piston 7 is loaded on the front end of a piston mandril 13, ring-shaped valve 10 is equipped with in piston mandril 13 rear ends, the valve seat with holes 9 that ring-shaped valve 10 inboards are and cylinder body 14 inwalls are fixed, 7 in valve seat 9 and piston are equipped with spring 8, and piston 7 front ends are the cylinder head 2 that pipe joint 1 is housed, air-inlet cavity 19 in cylinder block 14 rear ends and the check valve body 12 communicates, and also has off-load relief opening 21(1-4 on the cylinder block 14).
The installation method of the foregoing description is: check valve body is installed on the air compressor gas receiver, and another screw socket is connected with the exhausting cold air copper pipe, and the pipe joint 1 of off-load part is connected with the air compressor gas receiver by a thin copper tube.Its working principle is; when air compressor is worked; its gas receiver reaches certain value with pressure, and air compressor is when working on, and piston, spring (according to required pressure design) in the off-load part move under the effect of gas receiver pressure; and promotion push rod; push rod is ring-shaped valve 10 jack-up, so the gas that air compressor produces is just by the emptying automatically of off-load part; air compressor is worked on, the working life of protection air compressor and prolongation air compressor under uncharge substantially situation.
Claims (4)
1, a kind of unloading one-way valve comprises valve body, air-inlet cavity, outlet chamber and one-way valve element, it is characterized in that: unloading valve component is housed on the valve body, has on the unloading valve component to be used for the pipe joint that is connected with the air compressor gas receiver.
2, unloading one-way valve according to claim 1, it is characterized in that: unloading valve component comprises a cylinder block that is loaded on the valve body, piston is equipped with in the front portion in the cylinder block, piston is loaded on a push rod front end, and valve block is equipped with in the push rod rear end, and the valve block inboard is and the fixing valve seat with holes of inboard wall of cylinder block, valve seat and piston space are equipped with spring, piston nose is the cylinder head that pipe joint is housed, and the air-inlet cavity in cylinder block rear end and the valve body communicates, and also has the off-load relief opening on the cylinder block.
3, unloading one-way valve according to claim 2 is characterized in that: cylinder block is positioned at the top of valve body; Air-inlet cavity and one-way valve element are positioned on the same axis.
4, unloading one-way valve according to claim 2 is characterized in that: the valve block that is used for pressure release in the described off-load assembly adopts ring-shaped valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94244842 CN2212670Y (en) | 1994-12-28 | 1994-12-28 | Unloading one-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94244842 CN2212670Y (en) | 1994-12-28 | 1994-12-28 | Unloading one-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2212670Y true CN2212670Y (en) | 1995-11-15 |
Family
ID=33850812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94244842 Expired - Fee Related CN2212670Y (en) | 1994-12-28 | 1994-12-28 | Unloading one-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2212670Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016311A (en) * | 2012-12-17 | 2013-04-03 | 上海抛丸机械设备制造有限公司 | Unloading one-way valve applied to back flushing and dust cleaning system of dust collector |
| CN108119347A (en) * | 2017-12-19 | 2018-06-05 | 浙江强盛压缩机制造有限公司 | A kind of double acting control device of air compressor machine off-load cylinder |
-
1994
- 1994-12-28 CN CN 94244842 patent/CN2212670Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016311A (en) * | 2012-12-17 | 2013-04-03 | 上海抛丸机械设备制造有限公司 | Unloading one-way valve applied to back flushing and dust cleaning system of dust collector |
| CN103016311B (en) * | 2012-12-17 | 2016-02-17 | 上海抛丸机械设备制造有限公司 | A kind of unloading one-way valve being applied to vacuum cleaner reverse gas cleaning system |
| CN108119347A (en) * | 2017-12-19 | 2018-06-05 | 浙江强盛压缩机制造有限公司 | A kind of double acting control device of air compressor machine off-load cylinder |
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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 |