CN201795097U - Two-way air vent valve - Google Patents
Two-way air vent valve Download PDFInfo
- Publication number
- CN201795097U CN201795097U CN2010205241482U CN201020524148U CN201795097U CN 201795097 U CN201795097 U CN 201795097U CN 2010205241482 U CN2010205241482 U CN 2010205241482U CN 201020524148 U CN201020524148 U CN 201020524148U CN 201795097 U CN201795097 U CN 201795097U
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Abstract
The utility model relates to a two-way air vent valve, which belongs to the technical field of valves. The two-way air vent valve consists of two integrated one-way valve bodies, and is provided with a first valve port, a second valve port and a third valve port. An air inlet cavity of the first one-way valve body and an air outlet cavity of the second one-way valve body are communicated with each other, and are converged at the first valve port; the air outlet cavity of the first one-way valve body leads to the second valve body; and the air inlet cavity of the second one-way valve body leads to the third valve port. The two-way air vent valve can divert harmful gases and external air flowing into and out of a closed container of suction equipment respectively so as to avoid the shortcoming that the harmful gases and the external air all pass through a gas treatment device of the suction equipment to cause the waste of treatment materials and corrosion and damage to the suction equipment in the operation of the conventional suction equipment.
Description
Technical field
The utility model relates to a kind of vent valve that is used to inhale on the pumping equipments such as excrement, soil pick-up or suction powder, belongs to valve technology field.
Background technique
The existing pumping equipments such as the car inhaling excrement, soil pick-up or inhale powder or jar station that are used to aspirate on air-channel system at it gas treatment equipments such as deodorizer or filter all are installed in order to prevent stink or to contain the harmful gas befouling environment of powder.But the suction air-channel system of these existing pumping equipments generally all is a two-way working, and when vacuum pump suction seal container (generally being tank body) made seal container in negative pressure, the harmful gas in the seal container discharged after passing through gas treatment equipment; When vacuum pump aspirates atmosphere and add malleation in seal container, outside air still enters in the seal container through gas treatment equipment, this moment, air-flow can be brought the processing material in the gas treatment equipment (as deodorant or filtrate) in vacuum pump and the seal container in the lump, such one is to cause to handle the unnecessary waste of material, the 2nd, may cause corrosion and infringement to pumping equipment (as vacuum pump and seal container).
The model utility content
The technical problems to be solved in the utility model is, the vent valve that can effectively shunt harmful gas and air when proposing to realize on a kind of suction air-channel system that is used for pumping equipment two-way suction.
The utility model is that the technological scheme that solves the problems of the technologies described above proposition is: a kind of two-way vent valve, this two-way vent valve are made of two check valve body that are connected as a single entity and have first valve port, second valve port and the 3rd valve port; Two outlet chamber of the air-inlet cavity of one of described check valve body and check valve body is communicated with and converges in first valve port, and the outlet chamber of one of described check valve body leads to second valve port, and two air-inlet cavity of described check valve body leads to the 3rd valve port.
Two-way vent valve of the present utility model situation in use has: 1) earlier first valve port is connected on the suction gas circuit of pumping equipment, second valve port is connected on the gas treatment equipment (as deodorizer or filter) simultaneously, and makes that the 3rd valve port is uncovered to be communicated with atmosphere; 2) when being negative pressure in the seal container (as tank body) of vacuum pump suction pumping equipment, harmful gas in the seal container (as stink or contain powder gas) enters two outlet chamber of the air-inlet cavity of one of check valve body and check valve body simultaneously from first valve port, at this moment, one of check valve body is opened and second the closing of check valve body, harmful gas drains into gas treatment equipment from second valve port after entering the outlet chamber of one of check valve body, handles the back discharging through gas treatment equipment at last; 2) when vacuum pump aspirates atmosphere and add malleation in seal container, outside air enters two air-inlet cavity of check valve body from the 3rd valve port, therefore two of check valve body made, outside air enters the air-inlet cavity of one of two outlet chamber of check valve body and check valve body simultaneously, at this moment, under the pumping action of first valve port, outside air can only be admitted to pressurization in the seal container and can not enter gas treatment equipment from one of check valve body from first valve port.
By as seen above-mentioned, beneficial effect after using two-way vent valve of the present utility model on the suction air-channel system of existing pumping equipment is: in the suction seal container negative pressure and to seal container under two kinds of situations of pressurizeing, harmful gas and outside air are being carried out effective shunting (be discharge after harmful gas is distributed to gas treatment equipment and outside air directly be distributed in the seal container without gas treatment equipment) respectively through two-way vent valve of the present utility model, harmful gas and outside air all cause the disadvantage of processing waste of material and corrosion-damaged pumping equipment (as vacuum pump and seal container) when therefore having avoided existing pumping equipment operation through gas treatment equipment.
Improvement of the technical scheme is: one of described check valve body comprises the first valve seat mouth and the ball that places on the first valve seat mouth; Two of described check valve body comprises the second valve seat mouth, muscle cover, is formed on pilot hole, spool and spring that muscle puts, described spool is made of the valve rod and the valve circle that link to each other, described valve rod passes pilot hole, described valve circle is positioned on the second valve seat mouth, two the inwall of described spring one end against the valve circle the other end against check valve body.
Further improvement in the technical proposal is: described valve seat mouth is provided with chamfering, and described valve circle is circular cone shape, is provided with guide sleeve in the described pilot hole, and described valve rod passes guide sleeve.
Further improving again of technique scheme is: the described second valve seat mouth is provided with circumferential groove, is provided with seal ring in the described groove.
Description of drawings
Below in conjunction with accompanying drawing two-way vent valve of the present utility model is described further.
Fig. 1 is the structural representation of two-way vent valve of the present utility model.
Fig. 2 be among Fig. 1 A-A to view.
Embodiment
A kind of embodiment of the two-way vent valve of the utility model as depicted in figs. 1 and 2, this two-way vent valve is to be constituted and had first valve port 3, second valve port 4 and the 3rd valve port 5 by two check valve body that are connected as a single entity 1,2; Wherein, first valve port 3 is used to be connected to suction gas circuit (such as inhaling excrement, soil pick-up or inhaling the powder car or the suction gas circuit at jar station), second valve port 4 is used to be connected to gas treatment equipment (such as deodorizer or filter), and the 3rd valve port 5 is used to be communicated with atmosphere (such as uncovered).22 outlet chamber 7 of the air-inlet cavity 6 of one of check valve body 1 and check valve body is communicated with and converges in first valve port 3, and the outlet chamber 8 of one of check valve body 1 leads to second valve port 4, and 22 air-inlet cavity 9 of check valve body leads to the 3rd valve port 5.
As depicted in figs. 1 and 2, one of check valve body 1 comprises the first valve seat mouth 10 and the ball 11 that places on the first valve seat mouth 10.22 of check valve body comprises the second valve seat mouth 20, muscle cover 13, is formed on pilot hole 12, spool and spring 14 on the muscle cover 13, spool is made of the valve rod 15 and the valve circle 16 that link to each other, be provided with guide sleeve 17 in the pilot hole 12, valve rod 15 passes the guide sleeve 17 in the pilot hole 12, valve circle 16 is positioned on the second valve seat mouth 20, spring 14 1 ends are against valve circle 16, and spring 14 the other ends are against 22 inwall of check valve body.The first valve seat mouth 10 and the second valve seat mouth 20 are equipped with chamfering, and valve circle 16 is circular cone shape.The second valve seat mouth 20 is provided with circumferential groove, is provided with seal ring 18 in groove.
Situation during use has: 1) earlier first valve port 3 is connected on the pumping equipment suction gas circuit of (as inhaling excrement, soil pick-up or inhaling the powder car or jar station), simultaneously second valve port 4 is connected on the gas treatment equipment (as deodorizer or filter), and makes that the 3rd valve port 5 is uncovered to be communicated with atmosphere; 2) when being negative pressure in the seal container (as tank body) of vacuum pump suction pumping equipment, harmful gas in the tank body (as stink or contain powder gas) enters 22 outlet chamber 7 of the air-inlet cavity 6 of one of check valve body 1 and check valve body simultaneously from first valve port 3, at this moment, harmful gas overcomes the deadweight jack-up ball 11 of ball 11, therefore one of check valve body 1 is opened, and 22 spool 13 of check valve body is in closed condition under spring 14 effects, outlet chamber 8 backs that harmful gas enters one of check valve body 1 drain into gas treatment equipment from second valve port 4, handle the back discharging through gas treatment equipment at last; 3) when vacuum pump aspirates atmosphere and add malleation in tank body, outside air enters 22 air-inlet cavity 9 of check valve body from the 3rd valve port 5, outside air pressuring spring 14 jack-up spools 13, therefore 22 of check valve body is made, outside air enters the air-inlet cavity 6 of one of 22 outlet chamber 7 of check valve body and check valve body 1 simultaneously, at this moment, under the pumping action of first valve port 3, outside air can only be admitted to pressurization in the seal container and can not enter gas treatment equipment from one of check valve body from first valve port 3.
In the two-way vent valve of above-mentioned the utility model embodiment, the concrete structure of two check valve body 1,2 also can have other variation, such as: 1) also spring can be set in one of check valve body 1, perhaps adopt and 22 of check valve body identical structures; 22 valve circle 16 of check valve body also can make into spherical; 2) guide sleeve 17 also can omit; Or the like.All employings are equal to replaces the technological scheme that forms, and all drops on the protection domain of the utility model requirement.
Claims (4)
1. two-way vent valve is characterized in that: this two-way vent valve is made of two check valve body that are connected as a single entity and has first valve port, second valve port and the 3rd valve port; Two outlet chamber of the air-inlet cavity of one of described check valve body and check valve body is communicated with and converges in first valve port, and the outlet chamber of one of described check valve body leads to second valve port, and two air-inlet cavity of described check valve body leads to the 3rd valve port.
2. according to the described two-way vent valve of claim 1, it is characterized in that: one of described check valve body comprises the first valve seat mouth and the ball that places on the first valve seat mouth; Two of described check valve body comprises the second valve seat mouth, pilot hole, spool and spring, described spool is made of the valve rod and the valve circle that link to each other, described valve rod passes pilot hole, and described valve circle is positioned on the second valve seat mouth, two the inwall of described spring one end against the valve circle the other end against check valve body.
3. according to the described two-way vent valve of claim 2, it is characterized in that: described valve seat mouth is provided with chamfering, and described valve circle is circular cone shape, is provided with guide sleeve in the described pilot hole, and described valve rod passes guide sleeve.
4. according to the described two-way vent valve of claim 3, it is characterized in that: the described second valve seat mouth is provided with circumferential groove, is provided with seal ring in the described groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205241482U CN201795097U (en) | 2010-09-10 | 2010-09-10 | Two-way air vent valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205241482U CN201795097U (en) | 2010-09-10 | 2010-09-10 | Two-way air vent valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201795097U true CN201795097U (en) | 2011-04-13 |
Family
ID=43850005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205241482U Expired - Lifetime CN201795097U (en) | 2010-09-10 | 2010-09-10 | Two-way air vent valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201795097U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148244A (en) * | 2013-02-25 | 2013-06-12 | 中国科学院地理科学与资源研究所 | Automatic switch valve capable of automatically selecting water supply or water discharge based on suction |
| EP3149371A4 (en) * | 2014-05-26 | 2018-01-10 | Kratos OY | Valve |
| CN108199203A (en) * | 2018-03-23 | 2018-06-22 | 深圳市光辉电器实业有限公司 | A kind of cable connector connector for being used for wind-powered electricity generation or photovoltaic apparatus |
| CN108413072A (en) * | 2018-05-23 | 2018-08-17 | 徐楠 | Gravity switching valve |
| CN109231748A (en) * | 2018-09-29 | 2019-01-18 | 福建龙马环卫装备股份有限公司 | A kind of shunt deodoration system and fecal suction truck |
| CN110805687A (en) * | 2019-11-28 | 2020-02-18 | 安徽江淮汽车集团股份有限公司 | Water-blocking ventilation box and gearbox |
| CN114526336A (en) * | 2022-01-11 | 2022-05-24 | 中国神华煤制油化工有限公司 | Sealing structure and circulating pump |
-
2010
- 2010-09-10 CN CN2010205241482U patent/CN201795097U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148244A (en) * | 2013-02-25 | 2013-06-12 | 中国科学院地理科学与资源研究所 | Automatic switch valve capable of automatically selecting water supply or water discharge based on suction |
| EP3149371A4 (en) * | 2014-05-26 | 2018-01-10 | Kratos OY | Valve |
| CN108199203A (en) * | 2018-03-23 | 2018-06-22 | 深圳市光辉电器实业有限公司 | A kind of cable connector connector for being used for wind-powered electricity generation or photovoltaic apparatus |
| CN108413072A (en) * | 2018-05-23 | 2018-08-17 | 徐楠 | Gravity switching valve |
| CN109231748A (en) * | 2018-09-29 | 2019-01-18 | 福建龙马环卫装备股份有限公司 | A kind of shunt deodoration system and fecal suction truck |
| CN110805687A (en) * | 2019-11-28 | 2020-02-18 | 安徽江淮汽车集团股份有限公司 | Water-blocking ventilation box and gearbox |
| CN114526336A (en) * | 2022-01-11 | 2022-05-24 | 中国神华煤制油化工有限公司 | Sealing structure and circulating pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110413 |
|
| CX01 | Expiry of patent term |