CN202733075U - Air-control one-way air valve - Google Patents
Air-control one-way air valve Download PDFInfo
- Publication number
- CN202733075U CN202733075U CN 201220321346 CN201220321346U CN202733075U CN 202733075 U CN202733075 U CN 202733075U CN 201220321346 CN201220321346 CN 201220321346 CN 201220321346 U CN201220321346 U CN 201220321346U CN 202733075 U CN202733075 U CN 202733075U
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- CN
- China
- Prior art keywords
- valve
- piston
- valve pocket
- 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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- Multiple-Way Valves (AREA)
Abstract
The utility model relates to the technical field of air valves and particularly relates to an air-control one-way air valve. The air-control one-way air valve comprises a valve body, wherein the two ends of the valve body are respectively connected with a valve cover and a connector, a valve chamber I is formed between the valve cover and the valve body, a valve chamber II is formed in the valve body, and a valve chamber III is formed in the connector; the valve chamber I, the valve chamber II and the valve chamber III are communicated with one another; and a piston I is arranged in the valve chamber I, a spring I is arranged between the piston I and the valve body, a valve rod is arranged in the valve chamber II, one end of the valve rod is fixedly connected with the piston I, a piston II is arranged in the valve chamber III, a spring II is arranged between the piston II and the connector, and an air outlet is connected to the outer end of the valve chamber III. The air-control one-way air valve is simple in structure, low in manufacturing cost and beneficial to popularization and application.
Description
Technical field
The utility model relates to the air valve technical field, particularly a kind of gas control Non-return air valve.
Background technique
Non-return air valve is as the conventional machinery component unit, and common by people, it is widely used in the control of pipeline gas in the chemical field, general manually control and electric control, manually the control operation trouble of adopting of Non-return air valve; Electric control then need provide power supply, and electric control air valve general structure is comparatively complicated, and fabricating cost is high, and breaks down easily.
The model utility content
The purpose of this utility model is for the defective of prior art and deficiency, provides a kind of simple in structure, the gas control Non-return air valve that fabricating cost is low.
For achieving the above object, the utility model is by the following technical solutions:
A kind of gas control Non-return air valve described in the utility model comprises valve body, and described valve body two ends are connected with respectively valve gap and connecting head, form valve pocket one between described valve gap and the valve body, form valve pocket two in the described valve body, form valve pocket three in the described connecting head; Described valve pocket one, valve pocket two and valve pocket three are interconnected; Be provided with piston one in the described valve pocket one, be provided with spring one between piston one and the valve body, be provided with valve rod in the described valve pocket two, valve rod one end is fixedly connected with piston one, be provided with piston two in the described valve pocket three, spring two between piston two and the connecting head, and described valve pocket three outer ends are connected with the air outlet; Described valve body is provided with suction port, and suction port is communicated with valve pocket two; Described valve body is provided with gas control hole and pore one, and gas control hole and pore one are communicated with, and described valve gap is provided with pore two, and pore two is communicated with valve pocket one.
Further, described piston two is provided with seal ring near valve pocket two.
The utility model beneficial effect is: the utility model is by to gas control hole inflation, by piston one, valve rod, between the piston two mutually, realize interconnecting between suction port and the air outlet, to open the utility model.The utility model is simple in structure, and fabricating cost is low, is beneficial to and applies.
Description of drawings
Fig. 1 is sectional structure schematic representation of the present utility model.
Among the figure:
1, valve gap; 2, pore two; 3, piston one; 4, pore one;
5, valve body; 6, gas control hole; 7, connecting head; 8, valve pocket three;
9, air outlet; 10, spring one; 11, valve pocket one; 12, valve rod;
13, valve pocket two; 14, suction port; 15, piston two; 16, seal ring;
17, spring two.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As shown in Figure 1, a kind of gas control Non-return air valve described in the utility model comprises valve body 5, and described valve body 5 two ends are fixedly connected with respectively valve gap 1 and connecting head 7, also are valve body 5, and valve gap 1 and connecting head 7 consist of the utility model agent structure.
Form valve pocket 1 between described valve gap 1 and the valve body 5, be provided with piston 1 in the described valve pocket 1, be provided with spring 1 between piston 1 and the valve body 5.
Form valve pocket 2 13 in the described valve body 5, be provided with valve rod 12 in the described valve pocket 2 13, valve rod 12 1 ends are fixedly connected with piston 1.
Form valve pocket 38 in the described connecting head 7; Be provided with piston 2 15 in the described valve pocket 38, spring 2 17 between piston 2 15 and the connecting head 7, described valve pocket 38 outer ends are connected with air outlet 9.Described piston 2 15 is provided with seal ring 16 near valve pocket 2 13.
Described valve pocket 1, valve pocket 2 13 and valve pocket 38 are interconnected.Described valve body 5 is provided with suction port 14, and suction port 14 is communicated with valve pocket 2 13.
Described valve body 5 is provided with gas control hole 6 and pore 1, and gas control hole 6 and pore 1 are communicated with, and described valve gap 1 is provided with pore 22, and pore 22 is communicated with valve pocket 1.
Working principle: originally, the utility model is in closes, and piston 1 arranges near valve gap 1, piston 2 15 closeding valve cavities 2 13, when needing to open the utility model, 6 is interior abundant to the gas control hole, gas is through pore 1, and pore 22 enters in the valve pocket 1, and pushing piston 1 moves right under the effect that overcomes spring 1, valve rod 12 also moves right, back down piston 2 15, described valve pocket 2 13 and valve pocket 38 are communicated with, and the gas in the suction port 14 is through valve pocket 2 13, valve pocket 38, again 9 discharges through the air outlet.In the time of need closing the utility model, stop to gas control hole 6 air feed, piston 1 is return under the effect of spring 1, and piston 2 15 is return under the effect of spring 2 17.
The above only is preferred embodiments of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (2)
1. gas control Non-return air valve, comprise valve body (5), described valve body (5) two ends are connected with respectively valve gap (1) and connecting head (7), it is characterized in that: form valve pocket one (11) between described valve gap (1) and the valve body (5), form valve pocket two (13) in the described valve body (5), form valve pocket three (8) in the described connecting head (7); Described valve pocket one (11), valve pocket two (13) and valve pocket three (8) are interconnected; Be provided with piston one (3) in the described valve pocket one (11), be provided with spring one (10) between piston one (3) and the valve body (5), be provided with valve rod (12) in the described valve pocket two (13), valve rod (12) one ends are fixedly connected with piston one (3), be provided with piston two (15) in the described valve pocket three (8), spring two (17) between piston two (15) and the connecting head (7), described valve pocket three (8) outer ends are connected with air outlet (9); Described valve body (5) is provided with suction port (14), and suction port (14) is communicated with valve pocket two (13); Described valve body (5) is provided with gas control hole (6) and pore one (4), and gas control hole (6) and pore one (4) is communicated with, and described valve gap (1) is provided with pore two (2), and pore two (2) is communicated with valve pocket one (11).
2. gas control Non-return air valve according to claim 1 is characterized in that: described piston two (15) is provided with seal ring (16) near valve pockets two (13).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220321346 CN202733075U (en) | 2012-07-02 | 2012-07-02 | Air-control one-way air valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220321346 CN202733075U (en) | 2012-07-02 | 2012-07-02 | Air-control one-way air valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202733075U true CN202733075U (en) | 2013-02-13 |
Family
ID=47658776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201220321346 Expired - Fee Related CN202733075U (en) | 2012-07-02 | 2012-07-02 | Air-control one-way air valve |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202733075U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103291980A (en) * | 2013-06-09 | 2013-09-11 | 山东派克诺尔机器有限公司 | Air control hydraulic one-way valve |
CN106402438A (en) * | 2016-10-21 | 2017-02-15 | 钟立朋 | Multi-purpose type air control one-way valve structure |
-
2012
- 2012-07-02 CN CN 201220321346 patent/CN202733075U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103291980A (en) * | 2013-06-09 | 2013-09-11 | 山东派克诺尔机器有限公司 | Air control hydraulic one-way valve |
CN106402438A (en) * | 2016-10-21 | 2017-02-15 | 钟立朋 | Multi-purpose type air control one-way valve structure |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20150702 |
|
EXPY | Termination of patent right or utility model |