CN104373648A - Multifunctional safety isolation valve for expansion water tank - Google Patents
Multifunctional safety isolation valve for expansion water tank Download PDFInfo
- Publication number
- CN104373648A CN104373648A CN201410626119.XA CN201410626119A CN104373648A CN 104373648 A CN104373648 A CN 104373648A CN 201410626119 A CN201410626119 A CN 201410626119A CN 104373648 A CN104373648 A CN 104373648A
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- China
- Prior art keywords
- water tank
- valve
- valve body
- nut
- swelling water
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/06—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with special arrangements for adjusting the opening pressure
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a multifunctional safety isolation valve for an expansion water tank. The isolation valve comprises a valve body, wherein a valve base is installed at the lower end of the valve body in a screwed mode, a valve clack, a spring base, a spring and a spring guiding pad are sequentially installed in the valve body from top to bottom, a locking nut and an adjusting nut are sequentially installed to the outer wall of the upper end of the valve body in a screwed mode, and the locking nut and the adjusting nut make close contact with each other and are fixed in a locked mode; an air suction pipe which is inserted below the liquid level of the expansion water tank is installed at the lower end of the valve base in a screwed mode, an exhaust channel and an air suction channel are formed in the valve base, an opening communicated with the upper end of the air suction channel is formed in the right side wall of the valve base, and a barrel-shaped channel connector pipe is arranged in the position, corresponding to the opening, of the valve body and sequentially provided with filtering nuts, and a filter element is arranged in each filtering nut. The multifunctional safety isolation valve is compact in structure, and the positive pressure and negative pressure limiting functions, the filtering function and the like are integrated; isolation can be effectively performed within a pressure limiting range, and safe and reliable work is achieved; the requirement for filtering out dust is met, and the special requirements for corrosion resistance, weather resistance and the like are met.
Description
technical field:
The present invention relates to the accessory of cold liquid machine (or claiming water chiller) conventional swelling water tank, particularly relate to a kind of swelling water tank multifunctional safe separating valve.
background technique:
Along with the fast development of the nearly more than two decades of cold liquid machine, its product function and safety protection are also being constantly brought forth new ideas.At present, cold liquid machine is widely used in the industries such as power electronics, military affairs and aviation, power station, Laser Equipment, cabinet-type air conditioner cooling, semiconductor equipment and supercomputer.In vehicle-mounted, carrier-borne field, mainly solve the heat radiations such as high-power radar transmitter group, laser, electronics rack and high power module, the relative product for civilian use, its function and performance index require all have bigger difference.
Cold liquid machine generally includes two major cycle, namely utilizes cold carrying agent (cooling liquid) to circulate except the heat in unloading, and this heat is passed to refrigeration agent; Utilize refrigerant circulation (compressor operating pattern) to remove heat in cold carrying agent simultaneously, and by final heat dissipation to outdoor air.When having specific demand, as in the winter time, refrigerant circulation does not work, and cold carrying agent circulation will be switched to outdoor radiator, directly by the heat dissipation in load to outdoor air.Must use water tank in such refrigerant circulation, water tank is divided into open tank (being often referred to swelling water tank) and closed type water tank (separately need join expansion drum) according to demand.When use swelling water tank, because needs communicate with the external world, keep an atmospheric pressure in case, so need to open wide or install a simple venting gas appliance in tank top.Like this, when external dust is many, very easily enter swelling water tank, cause liquid contamination.Meanwhile, swelling water tank has thicker pressure-bearing wall unlike closed type water tank, and the safety valve on market also can not be used for swelling water tank substantially.So, to the swelling water tank having specific use, new projects also progressively receive publicity.
summary of the invention:
In order to make up prior art problem, the object of this invention is to provide a kind of swelling water tank multifunctional safe separating valve, be applicable to the cold liquid machines such as vehicle-mounted, carrier-borne, realize the isolation of swelling water tank, there is certain positive and negative pressure limit value, content with funtion integration, simplified design trend.
Technological scheme of the present invention is as follows:
Swelling water tank multifunctional safe separating valve, comprise valve body, it is characterized in that: the lower end of described valve body screws and is provided with valve seat, in valve body, flap, spring seat, spring, spring guiding pad are installed from top to bottom successively, the upper end outer wall of valve body screws successively and is provided with locking nut and adjusting nut, locking nut and adjusting nut close contact are locked; Described valve seat lower end screws the sucking pipe being provided with and inserting below swelling water tank liquid level, the air intake passage that valve seat is provided with the exhaust passage of genesis analysis, lower end is connected with sucking pipe, the right side wall of valve seat has the opening be connected with air intake passage upper end, the valve body of described opening opposite position is provided with cylinder-shaped channel interface pipe, channel interface pipe filters nut successively, filters in nut and be provided with filtration core.
Described swelling water tank multifunctional safe separating valve, it is characterized in that: described lower spring end is fixed on spring seat, upper end is set on the cylinder section of the lower end of spring guiding pad.
Described swelling water tank multifunctional safe separating valve, is characterized in that: match with flap in the upper end, exhaust passage on described valve seat, valve seat two ends are equipped with outside thread, and one end is tightened in valve body, and the other end is tightened in the preset screw in swelling water tank item face.
Described swelling water tank multifunctional safe separating valve, is characterized in that: the air intake passage both sides on described valve seat also can be provided with the inclined hole with sucking pipe jointing UNICOM on valve seat.
Described swelling water tank multifunctional safe separating valve, is characterized in that: described filtration nut interior isolating plate, and isolating plate is provided with uniform mesh, and the inner chamber on the right side of isolating plate is built with filtration core; Filter nut left end outer wall to be provided with in being combined on the outside thread on valve body lateral access mouthpiece, right-hand member inwall is provided with external internal thread.
Described swelling water tank multifunctional safe separating valve, is characterized in that: described filtration core can adopt high efficiency filter cotton.
The present invention has following beneficial effect compared to existing technology:
1, product with compact structure, is blended in one by functions such as positive and negative pressure limiting and filtrations.
2, can effectively isolate within the scope of pressure limiting, safe and reliable work.
3, during superpressure, by installing the filter core of different brackets, the requirements such as filter dirt are met.
4, different series product can be developed, meet the specific demands such as corrosion-resistant, weatherability.
5, processing is simple, and easy for installation, cost is low.
accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of valve body of the present invention.
Fig. 3 is the plan view of valve body of the present invention.
Fig. 4 is the structural representation that the present invention filters nut.
embodiment:
See accompanying drawing:
Swelling water tank multifunctional safe separating valve, comprise valve body 1, the lower end of valve body 1 screws and is provided with valve seat 2, in valve body 2, flap 3, spring seat 4, spring 5, spring guiding pad 6 are installed from top to bottom successively, the upper end outer wall of valve body 1 screws successively and is provided with locking nut 7 and adjusting nut 8, locking nut 7 and adjusting nut 8 close contact are locked; Valve seat 2 lower end screws the sucking pipe 9 being provided with and inserting swelling water tank B below liquid level A, the air intake passage 11 that valve seat 2 is provided with the exhaust passage 10 of genesis analysis, lower end is connected with sucking pipe, the right side wall of valve seat 2 has the opening 12 be connected with air intake passage 11 upper end, the valve body 1 of opening 12 opposite position is provided with cylinder-shaped channel interface pipe 13, channel interface pipe 13 filters nut 14 successively, filters in nut 14 and be provided with filtration core 15.
Spring 5 lower end is fixed on spring seat 4, and upper end is set on the cylinder section of the lower end of spring guiding pad 6.
Match with flap 3 in upper end, exhaust passage 10 on valve seat 2, valve seat 2 two ends are equipped with outside thread 16, and one end is tightened in valve body 1, and the other end is tightened in the preset screw in swelling water tank B item face.
Filter nut 8 internal insulation plate 17, isolating plate 17 is provided with uniform mesh 18, and the inner chamber 22 on the right side of isolating plate 17 is built with filtration core 15; Filter nut 8 left end outer wall to be provided with in being combined on the outside thread 19 on valve body lateral access mouthpiece, right-hand member inwall is provided with external internal thread 20.
Filtration core 15 can adopt high efficiency filter cotton.
Air intake passage 11 both sides on valve seat 2 also can be provided with the inclined hole 21 with sucking pipe jointing UNICOM on valve seat, increase circulation area.
Multifunctional safe separating valve malleation limit value:
The pressure that be can bear by swelling water tank and the cold carrying agent maximum liquid supply pressure that can provide that circulates is determined, so the present invention should have the adjustable function of exhaust pressure.The present invention is adjusted by adjusting nut 8 and realizes the impacting force of spring 5.When swelling water tank internal pressure is higher than malleation limit value, internal gas enters in air through valve seat 2, valve body 1 internal control, filtration core 15 and filtration nut 14.Because swelling water tank installs this valve additional, voltage limiting value is not high, usually between 0.02bar ~ 1.0bar.For this reason, valve seat 2 and flap 3 form a seal ring area should be enough large, when low pressure, can produce enough unlatching thrust.Meanwhile, the parts such as flap 3, spring seat 4, spring 5, spring guiding pad 6, under the prerequisite ensureing size and precision, control its weight.Finally, spring 5 determines relevant design parameter again according to composite factor.
Multifunctional safe separating valve negative pressure limit value:
Depend on that sucking pipe 9 inserts level h in swelling water tank and fluid density.Wherein, sucking pipe 9 inserts level h, is the negative pressure limit value that can bear according to swelling water tank and determines.When swelling water tank internal pressure is lower than negative pressure limit value, extraneous gas after filtration nut 14, filtration core 15, valve body 1 internal control, valve seat 2 and sucking pipe 9 sucks in swelling water tank B, and collect in swelling water tank B napex air chamber, until internal pressure returns to more than negative pressure limit value.Usual negative pressure limit value is at-0.01 bar ~-0.1 bar.Be calculate with water, insert level h, between 102 mm ~ 1020 mm.So the overall length of sucking pipe 9 should according to actual conditions value.
There are 2 passages valve seat 2 inside, and 1 is exhaust passage 10, and another 1 is air intake passage 11; Ф d
1for the latus rectum on exhaust passage, corresponding flap 3 lower end surface; Ф d
2for the latus rectum of air intake passage 11, consider that aperture is little, gettering quantity is inadequate, can beat inclined hole 21 in its both sides, increases circulation area; Valve seat two ends are outside thread, and one end is tightened in valve body 3 lower end mouth, and the other end is tightened in screw preset on swelling water tank item face.
Filter nut 13 inside and be provided with uniform mesh 18, for exhaust and isolation filtration core 15; Be provided with one section of inner chamber 22, for loading filtration core 15; One end is outside thread 19, and be tightened in valve body 1 lateral port, the other end can be internal thread 20, and for external connection, but not necessarily will connect.
The filtration grade of filtration core 11 is answered usage requirement and determines, as adopted high efficiency filter cotton.
The main materials such as sucking pipe 9, valve seat 2, valve body 1, locking nut 7, adjusting nut 8 and filtration nut 14 can be stainless steel or brass etc.; Spring 5 can adopt spring steel etc.; Flap 3, spring seat 4 and spring guiding pad 6 can adopt stainless steel or nonmetallic material etc. as required, specifically can design according to use occasion, be not limited thereto.
Claims (6)
1. a swelling water tank multifunctional safe separating valve, comprise valve body, it is characterized in that: the lower end of described valve body screws and is provided with valve seat, in valve body, flap, spring seat, spring, spring guiding pad are installed from top to bottom successively, the upper end outer wall of valve body screws successively and is provided with locking nut and adjusting nut, locking nut and adjusting nut close contact are locked; Described valve seat lower end screws the sucking pipe being provided with and inserting below swelling water tank liquid level, the air intake passage that valve seat is provided with the exhaust passage of genesis analysis, lower end is connected with sucking pipe, the right side wall of valve seat has the opening be connected with air intake passage upper end, the valve body of described opening opposite position is provided with cylinder-shaped channel interface pipe, channel interface pipe filters nut successively, filters in nut and be provided with filtration core.
2. swelling water tank multifunctional safe separating valve according to claim 1, it is characterized in that: described lower spring end is fixed on spring seat, upper end is set on the cylinder section of the lower end of spring guiding pad.
3. swelling water tank multifunctional safe separating valve according to claim 1, it is characterized in that: match with flap in the upper end, exhaust passage on described valve seat, valve seat two ends are equipped with outside thread, and one end is tightened in valve body, and the other end is tightened in the preset screw in swelling water tank item face.
4. swelling water tank multifunctional safe separating valve according to claim 1, is characterized in that: the air intake passage both sides on described valve seat also can be provided with the inclined hole with sucking pipe jointing UNICOM on valve seat.
5. swelling water tank multifunctional safe separating valve according to claim 1, is characterized in that: described filtration nut interior isolating plate, and isolating plate is provided with uniform mesh, and the inner chamber on the right side of isolating plate is built with filtration core; Filter nut left end outer wall to be provided with in being combined on the outside thread on valve body lateral access mouthpiece, right-hand member inwall is provided with external internal thread.
6. swelling water tank multifunctional safe separating valve according to claim 1, is characterized in that: described filtration core can adopt high efficiency filter cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410626119.XA CN104373648B (en) | 2014-11-08 | 2014-11-08 | A kind of expansion tank multifunctional safe isolating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410626119.XA CN104373648B (en) | 2014-11-08 | 2014-11-08 | A kind of expansion tank multifunctional safe isolating valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104373648A true CN104373648A (en) | 2015-02-25 |
| CN104373648B CN104373648B (en) | 2016-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410626119.XA Active CN104373648B (en) | 2014-11-08 | 2014-11-08 | A kind of expansion tank multifunctional safe isolating valve |
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| CN (1) | CN104373648B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317283A (en) * | 2018-04-11 | 2018-07-24 | 温州达尔捷机械制造有限公司 | A kind of adjustable positive/negative-pressure filtering protecting device for tank |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2503731A1 (en) * | 1975-01-30 | 1976-08-05 | Porsche Ag | LOCKING DEVICE FOR VENTILATION LINES OF FUEL TANK IN MOTOR VEHICLES |
| CN2789542Y (en) * | 2005-03-18 | 2006-06-21 | 杨明 | Multifunction solar energy water heater valve |
| CN202280888U (en) * | 2011-10-22 | 2012-06-20 | 森森水族股份有限公司 | Water tank overflow valve |
| CN103362188A (en) * | 2012-03-28 | 2013-10-23 | 陈土和 | Pressure-storing and energy-saving washing tank and pressure-reducing water drain valve |
| CN103807474A (en) * | 2012-11-05 | 2014-05-21 | 马格纳斯泰尔汽车技术两合公司 | Valve assembly for pressure storage vessel |
-
2014
- 2014-11-08 CN CN201410626119.XA patent/CN104373648B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2503731A1 (en) * | 1975-01-30 | 1976-08-05 | Porsche Ag | LOCKING DEVICE FOR VENTILATION LINES OF FUEL TANK IN MOTOR VEHICLES |
| CN2789542Y (en) * | 2005-03-18 | 2006-06-21 | 杨明 | Multifunction solar energy water heater valve |
| CN202280888U (en) * | 2011-10-22 | 2012-06-20 | 森森水族股份有限公司 | Water tank overflow valve |
| CN103362188A (en) * | 2012-03-28 | 2013-10-23 | 陈土和 | Pressure-storing and energy-saving washing tank and pressure-reducing water drain valve |
| CN103807474A (en) * | 2012-11-05 | 2014-05-21 | 马格纳斯泰尔汽车技术两合公司 | Valve assembly for pressure storage vessel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317283A (en) * | 2018-04-11 | 2018-07-24 | 温州达尔捷机械制造有限公司 | A kind of adjustable positive/negative-pressure filtering protecting device for tank |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104373648B (en) | 2016-09-28 |
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