CN202733075U - Air-control one-way air valve - Google Patents

Air-control one-way air valve Download PDF

Info

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
Authority
CN
China
Prior art keywords
valve
piston
valve pocket
air
pocket
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
Application number
CN 201220321346
Other languages
Chinese (zh)
Inventor
蒋孟杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO SHENGDA SUN PNEUMATIC MACHINERY CO Ltd
Original Assignee
NINGBO SHENGDA SUN PNEUMATIC MACHINERY CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NINGBO SHENGDA SUN PNEUMATIC MACHINERY CO Ltd filed Critical NINGBO SHENGDA SUN PNEUMATIC MACHINERY CO Ltd
Priority to CN 201220321346 priority Critical patent/CN202733075U/en
Application granted granted Critical
Publication of CN202733075U publication Critical patent/CN202733075U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • 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

A kind of gas control Non-return air valve
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).
CN 201220321346 2012-07-02 2012-07-02 Air-control one-way air valve Expired - Fee Related CN202733075U (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN202901414U (en) Novel pressure release valve
CN201982396U (en) Super-pressure hydraulic control check valve
CN103438238B (en) Three way type Pilot operated check valve
CN203656208U (en) Pilot pressure-differential type low-energy-consumption large-flow electromagnetic valve
CN203548411U (en) Novel hydraulic oil cylinder unloading structure
CN202733075U (en) Air-control one-way air valve
CN202023786U (en) Butterfly valve switch cylinder
CN203413168U (en) Anti-reversion valve for rotary motor of excavator
CN202852066U (en) Single electric control two-position five-way solenoid valve
CN203374552U (en) Boosting air cylinder
CN204201180U (en) A kind of leading type multifunctional electromagnetic valves
CN103335159B (en) Two-position two-way bidirectional pressure control valve
CN203892652U (en) Piston type pressure regulator
CN201696375U (en) Soft starting valve with rapid pressure relief
CN203036028U (en) Block check valve
CN202531906U (en) Two-position five-way valve
CN201771885U (en) Integral hydraulic oil cylinder
CN202327173U (en) Rod-core integrated conical-surface valve
CN202597790U (en) Check valve component
CN202100808U (en) Low power consumption mini-size movable iron core of electromagnetic valve
CN203336000U (en) Two-position two-way bidirectional pressure control valve
CN202746473U (en) Simple air spring
CN203421231U (en) Ultra-low pressure constant pressure check valve
CN202789495U (en) Mortar pump double mortar suction and discharge ball valve tandem structure
CN203431238U (en) Three-way type hydraulically-controlled check valve

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