CN201739570U - Automatic exhaust valve - Google Patents
Automatic exhaust valve Download PDFInfo
- Publication number
- CN201739570U CN201739570U CN2010202872948U CN201020287294U CN201739570U CN 201739570 U CN201739570 U CN 201739570U CN 2010202872948 U CN2010202872948 U CN 2010202872948U CN 201020287294 U CN201020287294 U CN 201020287294U CN 201739570 U CN201739570 U CN 201739570U
- Authority
- CN
- China
- Prior art keywords
- valve
- cavity
- automatic control
- control pressure
- valve seat
- 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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- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The utility model relates to an automatic exhaust valve, used for discharging air in a container. The structure of the automatic exhaust valve comprises a valve base and a valve body, the bottom of the valve base is provided with a water inlet, the valve body is installed at the upper end of the valve base, the valve base and the valve body are provided with cavities mutually communicated from upper to lower, the upper and lower two ends of the valve cavity are respectively provided with an upper valve and a lower valve capable of sealing the valve cavity, the valve base is provided with a floater, the floater is disposed at the lower side of the lower valve sheet and corresponds to the lower valve sheet. The automatic exhaust valve, compared with the prior art, is advantaged by simple structure and convenient and reliable operation; since the two ends of the valve body are provided with valve sheets, the valve body can only perform a one-way exhaust; when water is filled in the container, the floater pushes the lower valve to go up to seal the cavity of the valve body, preventing water from flowing out, the upper valve sheet opens to discharge air; when water in the container is discharged, water pressure goes down, the lower valve sheet goes down, the upper valve sheet goes down to baffle the cavity of the valve body, preventing outdoor air from entering.
Description
Technical field
The utility model relates to a kind of outlet valve, especially relates to a kind of automatic control pressure vent.
Background technique
Outlet valve is mainly in various sealing liquid pipelines or container, and in order to getting rid of the air of assembling in pipeline or the container, or the micro-air that higher position in the container is assembled is disposed in the atmosphere, to improve the utilization efficiency of the pipeline and the pump housing.When having negative pressure to produce in the pipe, need the air in the pipe to be discharged with outlet valve, do not damage with protection pipeline or container because of negative pressure.This just requires when supplying water in container, needs in time the gas in the container to be discharged, and after container is full of water, and exhaust process should finish to make the water can not be excessive.For reaching this exhaust requirements, existing outlet valve normally is installed in the top of a closed container, drives valve block by piston and moves, and pass through spring reset, the pressure difference that is produced by damping phenomena promotes valve block and piston overcomes spring force rising closed valve, makes the water can not be excessive.Because the rising of valve block need overcome spring power and could realize, its pressure difference needs are very big, not easy to operate, and owing to the elastic fatigue of spring, also can have influence on the effect of its exhaust.
Summary of the invention
Technical problem to be solved in the utility model is the defective that overcomes above-mentioned prior art, and a kind of automatic control pressure vent is provided, and this automatic control pressure vent is simple in structure, rate of fault is low, easy and simple to handle reliable.
For solving the problems of the technologies described above, the technical solution of the utility model is as follows: a kind of automatic control pressure vent, comprise valve seat and valve body, be provided with water intake in the valve seat bottom, it is characterized in that: described valve body is installed in the upper end of valve seat, is provided with the cavity of up/down perforation in valve seat and the valve body, but and the upper/lower terminal of valve cavity be respectively equipped with the closed valve cavity on valve block and lower valve, be provided with float in valve seat, described float places the below of lower valve, and float is corresponding with lower valve.
The described valve block of going up is made up of baffle plate and diaphragm, and described baffle plate is provided with several through holes, and diaphragm places on the baffle plate, and covers through hole.
Described diaphragm is the thin structure of thick middle periphery, and is provided with Cylindrical object at the middle part, and this Cylindrical object is plugged in the middle jack of baffle plate.
The described valve block of going up places on the interior boss of valve cavity.
Described lower valve top is provided with the valve film, and the bottom is provided with mass.
On valve body, be provided with bonnet, between described bonnet and the valve body for being threaded.
Described bonnet is provided with vent.
Described float is hollow structure and lower ending opening, and its opening end is corresponding with the water intake of valve seat, and this float places on the interior lower convex platform of valve seat cavity.
The lower outside of described valve seat is a Pierced structure.
Described lower valve places on the interior convex platform of valve seat cavity.
The beneficial effects of the utility model, the utility model are compared with prior art, and are simple in structure, convenient and reliable operation, and rate of fault is low; Owing to be provided with valve block at the valve body two ends, make valve body can only carry out unidirectional exhaust; When water was full of container, float rose, and promoted lower valve and rise, thereby the closed valve cavity makes the water can not be excessive, and last valve block is opened, the gas discharge; Hydraulic pressure descends when the water in the container is emitted, and float descends, and lower valve descends under action of gravity, and last valve block descends, and blocks valve cavity, has stopped that air outside enters.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is specifically described: a kind of automatic control pressure vent comprises valve seat 1 and valve body 2, is provided with water intake 4 in the valve seat bottom, and described valve body 2 is installed in the upper end of valve seat 1, and both can closely cooperate by mutual clamping and be integral; Can certainly connect with other modes, for example can be to be threaded.In the upper end of valve body 2 bonnet 3 is installed, can be integral by being threaded between valve body 2 and the bonnet 3, described nut 3 is provided with vent, and perhaps nut 3 is a Pierced structure, thereby convenient the gas that comes out from valve body 2 cavitys is discharged.Be provided with the cavity of up/down perforation in described valve seat 1 and the valve body 2, but and the upper/lower terminal of valve cavity 5 be respectively equipped with the closed valve cavity on valve block 6 and lower valve 7.Be provided with float 9 in the above-mentioned valve seat 1, described float 9 place lower valve 7 below, and corresponding with lower valve 7.Valve seat 1 internal upper part is provided with convex platform 11, and the bottom is provided with lower convex platform 12.
The above-mentioned valve block 6 of going up is made up of baffle plate 61 and diaphragm 62, and described baffle plate 61 is provided with several through holes 63, and diaphragm 62 places on the baffle plate 61, and covers the through hole 63 of baffle plate 61; Described baffle plate 61 can place on the interior boss 41 of valve cavity, and diaphragm 62 can blow open under the effect of air-flow.
Above-mentioned diaphragm 62 is the thin structure of thick middle periphery, and is provided with Cylindrical object at the middle part, and this Cylindrical object is plugged in the jack 64 of baffle plate 61 centres, with convenient fixedly diaphragm 62; When gas enters valve body, blow the periphery of diaphragm 62 open, thereby gas is overflowed, the periphery falling that gas is discharged rear film 62 resets better reduction and smooth.
The top of above-mentioned lower valve 7 is valve film 71, and its underpart is provided with mass 72, adjusts moving up and down of lower valve 7 with this; This lower valve places on the interior convex platform 11 of valve seat 1 cavity.When the valve film 71 of lower valve 7 be adsorbed onto valve cavity 5 below the time, can move down under the action of gravity of mass on the convex platform 11 of valve seat 1.
Above-mentioned float 9 is hollow structure and lower ending opening, and this opening is corresponding with the water intake 41 of valve seat 1, forms the water intake of valve seat 1.This float 9 places on the lower convex platform 12 of valve seat bottom inner chamber, is used to locate float 9.Lower outside at valve seat 1 is a Pierced structure, is convenient to the discharge of current.
Above-mentioned outlet valve is installed in the top of container, promptly is installed on the shell of tank body, and its mounting type can place valve seat 1 and valve body 2 in the container, and the upper end of valve body 2 is passed the shell of tank body and is integral by being threaded with outside bonnet 3.Between valve body 2 and frame 10, be provided with seal washer 8.
Its working principle is, when being full of water in the container, water enters into this drain valve from the water intake 41 of valve seat 1 below of outlet valve, because the pressure official post float 9 that produces rises, float 9 promotes lower valve 7 and rises until the lower end that closes valve cavity, and water can not be overflowed from valve cavity, and the diaphragm of last valve block 6 is under the effect of gas, open, the gas in the container is discharged from the last valve block of valve cavity.After gas was discharged, last valve block 6 resetted, and then stoped air outside to enter into valve body, made valve body only carry out unidirectional exhaust.When the water in the container was emitted, hydraulic pressure descended, and float descends, thereby lower valve is moved down under the effect of gravity, moved on the convex platform 11 in valve seat 1 cavity, set back; Lower valve, last valve block restart motion again during to next exhaust.And because the counterweight effect on the lower valve moves down lower valve under action of gravity.
Claims (10)
1. automatic control pressure vent, comprise valve seat and valve body, be provided with water intake in the valve seat bottom, it is characterized in that: described valve body is installed in the upper end of valve seat, be provided with the cavity of up/down perforation in described valve seat and the valve body, but and the upper/lower terminal of valve cavity be respectively equipped with the closed valve cavity on valve block and lower valve, in valve seat, be provided with float, described float places the below of lower valve, and float is corresponding with lower valve.
2. a kind of automatic control pressure vent according to claim 1 is characterized in that: the described valve block of going up is made up of baffle plate and diaphragm, and described baffle plate is provided with several through holes, and diaphragm places on the baffle plate, and covers through hole.
3. a kind of automatic control pressure vent according to claim 2 is characterized in that: described diaphragm is the thin structure of thick middle periphery, and is provided with Cylindrical object at the middle part, and this Cylindrical object is plugged in the middle jack of baffle plate.
4. according to claim 2 or 3 described automatic control pressure vents, it is characterized in that: the described valve block of going up places on the interior boss of valve cavity.
5. according to claim 1 or 2 or 3 described a kind of automatic control pressure vents, it is characterized in that: described lower valve top is provided with the valve film, and the bottom is provided with mass.
6. according to claim 1 or 2 or 3 described a kind of automatic control pressure vents, it is characterized in that: on valve body, be provided with bonnet, between described bonnet and the valve body for being threaded.
7. a kind of automatic control pressure vent according to claim 6 is characterized in that: described bonnet is provided with vent.
8. according to claim 1 or 2 or 3 described a kind of automatic control pressure vents, it is characterized in that: described float is hollow structure and lower ending opening, and this opening is corresponding with the water intake of valve seat, and this float places on the interior lower convex platform of valve seat cavity.
9. according to claim 1 or 2 or 3 described a kind of automatic control pressure vents, it is characterized in that: the outside, bottom of described valve seat is Pierced structure.
10. according to claim 1 or 2 or 3 described a kind of automatic control pressure vents, it is characterized in that: described lower valve places on the interior convex platform of valve seat cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202872948U CN201739570U (en) | 2010-08-03 | 2010-08-03 | Automatic exhaust valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202872948U CN201739570U (en) | 2010-08-03 | 2010-08-03 | Automatic exhaust valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201739570U true CN201739570U (en) | 2011-02-09 |
Family
ID=43554845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202872948U Expired - Fee Related CN201739570U (en) | 2010-08-03 | 2010-08-03 | Automatic exhaust valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201739570U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345761A (en) * | 2010-08-03 | 2012-02-08 | 上海首科环保科技有限公司 | Automatic exhaust valve |
| CN103174859A (en) * | 2011-12-26 | 2013-06-26 | 上海大郡动力控制技术有限公司 | One-way water-discharging two-way gas-guiding valve used for automatic water discharging of motor shell |
| CN112762188A (en) * | 2020-12-22 | 2021-05-07 | 海南广源隆节能环保股份有限公司 | One-way pressure-reducing exhaust device and photoelectric control water-cyclone siphon system |
-
2010
- 2010-08-03 CN CN2010202872948U patent/CN201739570U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345761A (en) * | 2010-08-03 | 2012-02-08 | 上海首科环保科技有限公司 | Automatic exhaust valve |
| CN102345761B (en) * | 2010-08-03 | 2014-08-27 | 上海首科环保科技有限公司 | Automatic exhaust valve |
| CN103174859A (en) * | 2011-12-26 | 2013-06-26 | 上海大郡动力控制技术有限公司 | One-way water-discharging two-way gas-guiding valve used for automatic water discharging of motor shell |
| CN103174859B (en) * | 2011-12-26 | 2016-06-01 | 上海大郡动力控制技术有限公司 | Valve for the self-draining unidirectional two-way inducing QI that discharges water of motor case |
| CN112762188A (en) * | 2020-12-22 | 2021-05-07 | 海南广源隆节能环保股份有限公司 | One-way pressure-reducing exhaust device and photoelectric control water-cyclone siphon system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20130803 |