CN103672086A - Valve special for pressure-bearing water storing device - Google Patents
Valve special for pressure-bearing water storing device Download PDFInfo
- Publication number
- CN103672086A CN103672086A CN201310737521.0A CN201310737521A CN103672086A CN 103672086 A CN103672086 A CN 103672086A CN 201310737521 A CN201310737521 A CN 201310737521A CN 103672086 A CN103672086 A CN 103672086A
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- CN
- China
- Prior art keywords
- air inlet
- valve
- valve body
- pressure bearing
- safety valve
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 39
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 238000009736 wetting Methods 0.000 claims description 28
- 210000004907 gland Anatomy 0.000 claims description 6
- 238000007789 sealing Methods 0.000 abstract description 5
- 230000035945 sensitivity Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Images
Classifications
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
-
- 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
- F16K17/048—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 combined with other safety valves, or with pressure control devices
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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
- F16K17/12—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side weight-loaded
-
- 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
- F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
- F16K24/04—Devices, e.g. valves, for venting or aerating enclosures for venting only
- F16K24/042—Devices, e.g. valves, for venting or aerating enclosures for venting only actuated by a float
- F16K24/044—Devices, e.g. valves, for venting or aerating enclosures for venting only actuated by a float the float being rigidly connected to the valve element, the assembly of float and valve element following a substantially translational movement when actuated, e.g. also for actuating a pilot valve
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Details Of Valves (AREA)
- Float Valves (AREA)
Abstract
The invention belongs to the technical field of air inlet valves of pressure-bearing water storing devices and particularly relates to a valve special for a pressure-bearing water storing device. The valve special for the pressure-bearing water storing device mainly solves the technical problems that an existing valve special for a pressure-bearing water storing device is opened manually and is not convenient to use and poor in sealing performance and water leaks from an air inlet valve. The valve special for the pressure-bearing water storing device comprises an air filtering device, an air inlet device, an air inlet and outlet control device, a guiding frame, a valve body and a valve cover. The upper portion of the guiding frame is arranged on a boss on the middle upper portion of an inner cavity of the valve body, and the air inlet and outlet control device is arranged on the upper portion of the inner cavity of the valve body so that a floater can be located in the guiding frame. The valve cover is connected with the upper portion of the valve body, and the air inlet and outlet control device is fixed in the inner cavity of the valve body. An inner screw hole of a connection bend of the air inlet device is connected with the upper portion of an air inlet nozzle of a valve element of the air inlet and outlet control device, and the air inlet device is arranged on the upper end face of the valve cover. The filtering device is arranged on the valve cover and covers the air inlet device. The valve special for the pressure-bearing water storing device has the advantages that high sensitivity and automatic opening are achieved, the sealing performance is good and water does not leak when faults exist.
Description
Technical field
The invention belongs to the suction valve technical field of water system pressure bearing stored wetting system, be specifically related to a kind of pressure bearing stored wetting system special valve.
Background technique
Pressure bearing stored wetting system is a water cell in water system, in water system, supplies water in normal situation, and pressure bearing stored wetting system is a part for pipeline, has the hydraulic pressure equating with pressure of supply water.And while breaking down (such as hydraulic pressure deficiency, Pipeline damage, overhaul of the equipments etc.) in water supply, water stored in pressure bearing stored wetting system can continue to provide life and process water for user.Pressure bearing stored wetting system in use, when outside water system is cut off the water and pipe-line system is high-order while forming negative pressure, although pressure bearing stored wetting system inside has been full of water, user still there will be the problem that flows not water outlet while opening with water valve.
Notification number is that the patent of CN102425696B discloses a kind of special manual suction valve installing in pressure bearing stored wetting system, this patent solved pressure bearing stored wetting system externally water system cut off the water and flow the problem of not water outlet while forming negative pressure pipe-line system is high-order, but shortcoming that this patent exists manually opened inconvenience, poor sealing and suction valve to leak.
Summary of the invention
The object of the invention is the technical problem of leaking in order to solve manually opened inconvenience, poor sealing and the suction valve of existing pressure bearing stored wetting system special valve existence, a kind of pressure bearing stored wetting system special valve is provided.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of pressure bearing stored wetting system special valve, it comprises air filter, air inlet system, enter air outlet control device, leading truck, valve body and valve gap, the top of described leading truck is contained on the boss of body cavity middle and upper part setting, entering air outlet control device is arranged on the top of body cavity and makes float be arranged in leading truck, valve gap is connected with the top of valve body and will enters air outlet control device and is fixed in body cavity, the inner bolt hole of the connection elbow of air inlet system is connected with the air inlet nozzle top of entering the spool of air outlet control device and air inlet system is contained on the upper-end surface of valve gap, air filter is located on valve gap and by air inlet system and covers.
Described in it, air filter is comprised of buckle closure and air filtering core, and buckle closure is drum body, and the sidewall of buckle closure is evenly provided with 4～8 square vents, the cylindrical body that air filtering core is hollow, and air filtering core is located on the inwall of buckle closure.
Described in it, air inlet system is comprised of safe valve gap, cone-shaped sealed gland, safety valve and connection elbow, centre at safe valve gap is provided with cone shape hole, cone seal is set in the cone shape hole of safety valve lid, the afterbody of safe valve gap is connected with the front end of safety valve, the tail end of safety valve is connected with the front end that connects elbow, connects the tail end of elbow and the air inlet nozzle of spool and is connected.
Described in it, enter air outlet control device by spool, seal rubber pad, " U " type spring, tolerance control panel and float form, one side at spool is provided with air inlet nozzle, the lower end that the tail end of tolerance control panel and spool are arranged on air inlet nozzle bottom attachment post be on one side connected and be positioned at air inlet nozzle below, seal rubber pad is contained in the tolerance control panel groove corresponding with air inlet nozzle lower end, the afterbody opening end of " U " type spring is located on the spring seat that spool is arranged on air inlet nozzle both sides, the head of " U " type spring is contained in the groove making progress of tolerance control panel front end end setting, the leading portion on " U " type spring both sides is arranged in the draw-in groove under shed that tolerance control panel leading portion both sides arrange, the peg of float is suspended on tolerance control panel and makes float be arranged in leading truck through the cruciform vent arranging on tolerance control panel.
Described in it, the top of leading truck is cirque body, and the inner side of leading truck annulus is provided with several guide rods vertically downward, and the upper end of guide rod is concordant with the upper-end surface of annulus.
Described in it, the profile of valve body is that cylindrical, middle and upper part is that truncated cone, middle and lower part are that Hexagon and bottom are cylindrically to form by top, the inner chamber of valve body is that cylindrical, middle part is that truncated cone and bottom are cylindrically to form by top, circular cone place at body cavity middle part is provided with annular boss, in the outside at the upper and lower two ends of valve body, is provided with outside thread.
Described in it, valve upper part of the cover profile is circular lid, and the profile of bonnet lower is hexagon; The inner chamber of valve gap be cylindrical and within it wall be provided with internal thread.
Described in it, safety valve is comprised of Safety valve body, ball float and bottom, Safety valve body is three-way type body, the rear end of Safety valve body is provided with internal thread, the front end of Safety valve body is provided with outside thread, the 3rd port of Safety valve body is provided with internal thread, and bottom is contained on the 3rd port of Safety valve body and ball float is arranged in the 3rd valve opening of Safety valve body.
The present invention adopts above technological scheme, valve body adopts broad mouth type structure, in body cavity and equipment, water body feature is more approaching, when pressure bearing stored wetting system inflow is zero, the inner water rate of holding is that 100%(was when both existed without air) situation under, as long as user opens with water switch, only a small amount of current can cause the reduction of water level in Special valve body, make float that downward displacement occur and open the inlet hole of spool, water in equipment can normally be flowed out, solve manually operated valve and open inconvenient technical problem; Between each component of special valve, be provided with a plurality of seal rings, solved the bad technical problem of special valve sealing effect; Special valve is provided with safety valve, and when special valve breaks down into water, water enters in safety valve, and ball float rises with the increase of rate of water added and shifts to cone-shaped sealed gland, prevents that the water that special valve enters from flowing to outside, solved the technical problem that special valve leaks.Therefore, compare watertight advantage when the present invention has highly sensitive automatic unlatching, good airproof performance and fault with background technique.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A-A sectional drawing of Fig. 1;
Fig. 3 is the B-B sectional drawing of Fig. 1;
Fig. 4 is the C-C sectional drawing of Fig. 1;
Fig. 5 is the worm's eye view of Fig. 1.
Embodiment
As shown in accompanying drawing 1～5, a kind of pressure bearing stored wetting system special valve shown in the present embodiment, it comprises air filter, air inlet system, enter air outlet control device, leading truck 2, valve body 1 and valve gap 17, the top of described leading truck 2 is contained on the annular boss of valve body 1 inner chamber middle and upper part setting, entering air outlet control device is arranged on the top of valve body 1 inner chamber and makes float 20 be arranged in leading truck 2, the spool 4 that enters air outlet control device is provided with seal ring c3 with the joint of the upper-end surface of valve body 1, the top of valve gap 17 and valve body 1 is threaded connection and will enters air outlet control device and is fixed in valve body 1 inner chamber, the afterbody inner bolt hole of the connection elbow 8 of air inlet system is threaded connection and air inlet system is contained on the upper-end surface of valve gap 17 with the air inlet nozzle top of entering the spool 4 of air outlet control device, the joint that connects elbow 8 afterbody inner bolt holes and spool 4 air inlet nozzles is provided with seal ring b7, air filter is located on valve gap 17 and by air inlet system and covers.
Above-mentioned air filter is comprised of buckle closure 13 and air filtering core 6, and buckle closure 13 is drum body, is evenly provided with 4～8 square vents on the sidewall of buckle closure 13, the cylindrical body that air filtering core 6 is hollow, and air filtering core 6 is located on the inwall of buckle closure 13.
Above-mentioned air inlet system is by safe valve gap 14, cone-shaped sealed gland 12, safety valve and connection elbow 8 form, front end at safe valve gap 14 is provided with cylindrical hole, the centre of safe valve gap 14 is provided with cone shape hole, the afterbody of safe valve gap 14 is provided with interior threaded hole and communicates with cone shape hole and cylindrical hole, cone-shaped sealed gland 12 is located in the cone shape hole of safe valve gap 14, the afterbody of safe valve gap 14 and the front end of safety valve are threaded connection, the tail end of safety valve is threaded connection with the front end that connects elbow 8, safety valve is provided with seal ring a9 with the joint that connects elbow 8, connecting the tail end of elbow 8 and the air inlet nozzle of spool 4 is threaded connection.
Above-mentionedly enter air outlet control device by spool 4, seal rubber pad 5, " U " type spring 18, tolerance control panel 19 and float 20 form, spool 4 is circular flat plate body, its size matches with the internal diameter of valve gap 17, in the lower end surface of spool 4, be provided with an annular boss, the diameter of the external diameter of annular boss and valve body 1 top inner chamber matches, one side at spool 4 is provided with air inlet nozzle, the tail end of tolerance control panel 19 and spool 4 be arranged on the lower end of air inlet nozzle bottom attachment post on one side hinged and be positioned at air inlet nozzle below, seal rubber pad 5 is contained in tolerance control panel 19 groove corresponding with air inlet nozzle lower end 21, the afterbody opening end of " U " type spring 18 is located on the spring seat that spool 4 is arranged on air inlet nozzle both sides, the head of " U " type spring 18 is contained in the groove making progress 24 of tolerance control panel 19 front end ends settings, the leading portion on " U " type spring 18 both sides is arranged in the draw-in groove 23 under shed that tolerance control panel 19 leading portion both sides arrange, the peg of float 20 is suspended on tolerance control panel 19 and makes float 20 be arranged in leading truck 2 through the cruciform vent 22 arranging on tolerance control panel 19.
The top of above-mentioned leading truck 2 is cirque body, and the inner side of leading truck 2 annulus is provided with 4 guide rods vertically downward, and the upper end of guide rod is concordant with the upper-end surface of annulus.
The profile of above-mentioned valve body 1 is that cylindrical, middle and upper part is that truncated cone, middle and lower part are that Hexagon and bottom are cylindrically to form by top, the inner chamber of valve body 1 is that cylindrical, middle part is that truncated cone and bottom are cylindrically to form by top, circular cone place at valve body 1 inner chamber middle part is provided with annular boss, in the outside at valve body two ends Shang Xia 1, is provided with outside thread.
The profile on above-mentioned valve gap 17 tops is circular lid, and the profile of valve gap 17 bottoms is hexagon; The inner chamber of valve gap 17 be cylindrical and within it wall be provided with internal thread.
Above-mentioned safety valve is comprised of Safety valve body 10, ball float 11 and bottom 16, Safety valve body 10 is three-way type body, the rear end of Safety valve body 10 is provided with internal thread, the front end of Safety valve body 10 is provided with outside thread, the 3rd port of Safety valve body 10 is provided with internal thread, bottom 16 is contained on the 3rd port of Safety valve body 10 and ball float 11 is arranged in the 3rd valve opening of Safety valve body 10, and the lower end surface of bottom 16 is provided with groove.
When the present invention uses, be contained in the top of pressure bearing stored wetting system, when water filling in equipment, owing to entering the tolerance control panel 19 of air outlet control device and the air inlet nozzle of spool 4 in opening state, in equipment, original air is discharged through air inlet nozzle and the air inlet system of spool 4; After the in-built full water of equipment, water level in valve body 1 chamber raises, float 20 is under buoyancy of water effect, pulling force to tolerance control panel 19 reduces, tolerance control panel 19 is return under the effect of " U " type spring 18, make seal rubber pad 5 be close to the vent of the air inlet nozzle of spool 4, vent is sealed; When the water of pressure bearing stored wetting system reduces, float 20 is left behind the end of tolerance control panel 19 under Action of Gravity Field, thereby make seal rubber pad 5 depart from the vent of the air inlet nozzle of spool 4, outside air enters in air filter by the filtration of filter core, then by air inlet system with enter air outlet control device and enter in pressure bearing stored wetting system, avoid generation negative pressure in pressure bearing stored wetting system, thereby guarantee the normal use of pressure bearing stored wetting system.
Claims (8)
1. a pressure bearing stored wetting system special valve, it is characterized in that: comprise air filter, air inlet system, enter air outlet control device, leading truck (2), valve body (1) and valve gap (17), the top of described leading truck (2) is contained on the boss of valve body (1) inner chamber middle and upper part setting, entering air outlet control device is arranged on the top of valve body (1) inner chamber and makes float (20) be arranged in leading truck (2), valve gap (17) is connected with the top of valve body (1) and will enters air outlet control device and is fixed in valve body (1) inner chamber, the inner bolt hole of the connection elbow (8) of air inlet system is connected and air inlet system is contained on the upper-end surface of valve gap (17) with the air inlet nozzle top of entering the spool (4) of air outlet control device, air filter is located at valve gap (17) above and air inlet system is covered.
2. a kind of pressure bearing stored wetting system special valve according to claim 1, it is characterized in that: described air filter is comprised of buckle closure (13) and air filtering core (6), buckle closure (13) is drum body, the sidewall of buckle closure (13) is evenly provided with 4～8 square vents, the cylindrical body that air filtering core (6) is hollow, air filtering core (6) is located on the inwall of buckle closure (13).
3. a kind of pressure bearing stored wetting system special valve according to claim 1, it is characterized in that: described air inlet system is comprised of safe valve gap (14), cone-shaped sealed gland (12), safety valve and connection elbow (8), centre at safe valve gap (14) is provided with cone shape hole, cone-shaped sealed gland (12) is located in the cone shape hole of safe valve gap (14), the afterbody of safe valve gap (14) is connected with the front end of safety valve, the tail end of safety valve is connected with the front end that connects elbow (8), and the tail end that connects elbow (8) is connected with the air inlet nozzle of spool (4).
4. a kind of pressure bearing stored wetting system special valve according to claim 1, it is characterized in that: described enters air outlet control device by spool (4), seal rubber pad (5), " U " type spring (18), tolerance control panel (19) and float (20) form, one side at spool (4) is provided with air inlet nozzle, the lower end that the tail end of tolerance control panel (19) and spool (4) are arranged on air inlet nozzle bottom attachment post be on one side connected and be positioned at air inlet nozzle below, seal rubber pad (5) is contained in tolerance control panel (19) groove corresponding with air inlet nozzle lower end (21), the afterbody opening end of " U " type spring (18) is located at spool (4) and is arranged on the spring seat of air inlet nozzle both sides, the head of " U " type spring (18) is contained in the groove making progress (24) of tolerance control panel (19) front end end setting, the leading portion on " U " type spring (18) both sides is arranged in the draw-in groove under shed (23) that tolerance control panel (19) leading portion both sides arrange, the peg of float (20) is suspended on tolerance control panel (19) above and makes float (20) be arranged in leading truck (2) through the upper cruciform vent (22) arranging of tolerance control panel (19).
5. a kind of pressure bearing stored wetting system special valve according to claim 1, it is characterized in that: the top of described leading truck (2) is cirque body, the inner side of leading truck (2) annulus is provided with several guide rods vertically downward, and the upper end of guide rod is concordant with the upper-end surface of annulus.
6. a kind of pressure bearing stored wetting system special valve according to claim 1, it is characterized in that: the profile of described valve body (1) is that cylindrical, middle and upper part is that truncated cone, middle and lower part are that Hexagon and bottom are cylindrically to form by top, the inner chamber of valve body (1) is that cylindrical, middle part is that truncated cone and bottom are cylindrically to form by top, circular cone place at valve body (1) inner chamber middle part is provided with annular boss, in the outside at the upper and lower two ends of valve body (1), is provided with outside thread.
7. a kind of pressure bearing stored wetting system special valve according to claim 1, is characterized in that: the profile on described valve gap (17) top is circular lid, and the profile of valve gap (17) bottom is hexagon; The inner chamber of valve gap (17) be cylindrical and within it wall be provided with internal thread.
8. a kind of pressure bearing stored wetting system special valve according to claim 3, it is characterized in that: described safety valve is comprised of Safety valve body (10), ball float (11) and bottom (16), Safety valve body (10) is three-way type body, the rear end of Safety valve body (10) is provided with internal thread, the front end of Safety valve body (10) is provided with outside thread, the 3rd port of Safety valve body (10) is provided with internal thread, and bottom (16) is contained on the 3rd port of Safety valve body (10) and ball float (11) is arranged in the 3rd valve opening of Safety valve body (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310737521.0A CN103672086B (en) | 2013-12-27 | 2013-12-27 | A kind of pressure bearing stored wetting system special valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310737521.0A CN103672086B (en) | 2013-12-27 | 2013-12-27 | A kind of pressure bearing stored wetting system special valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103672086A true CN103672086A (en) | 2014-03-26 |
| CN103672086B CN103672086B (en) | 2016-01-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310737521.0A Expired - Fee Related CN103672086B (en) | 2013-12-27 | 2013-12-27 | A kind of pressure bearing stored wetting system special valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103672086B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113314799A (en) * | 2021-06-07 | 2021-08-27 | 吴彼懋 | Lithium battery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101761686A (en) * | 2008-12-23 | 2010-06-30 | 王贵林 | Special inlet and exhaust valve arranged on pressure water tank |
| US20110308632A1 (en) * | 2009-02-25 | 2011-12-22 | Studor S.A. | Closing and Sealing Means for Air Admittance Valves in Sanitary Waste Water Pipe Systems |
| CN102494177A (en) * | 2011-12-21 | 2012-06-13 | 王贵林 | Automatic special valve arranged on pressure bearing water storage equipment |
| CN102425696B (en) * | 2011-12-21 | 2013-02-13 | 王贵林 | Special manual air inlet valve for device in bearing water storage equipment |
| CN203670960U (en) * | 2013-12-27 | 2014-06-25 | 忻州市飞鸣节水设备有限公司 | Special valve for pressure bearing water storing device |
-
2013
- 2013-12-27 CN CN201310737521.0A patent/CN103672086B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101761686A (en) * | 2008-12-23 | 2010-06-30 | 王贵林 | Special inlet and exhaust valve arranged on pressure water tank |
| US20110308632A1 (en) * | 2009-02-25 | 2011-12-22 | Studor S.A. | Closing and Sealing Means for Air Admittance Valves in Sanitary Waste Water Pipe Systems |
| CN102494177A (en) * | 2011-12-21 | 2012-06-13 | 王贵林 | Automatic special valve arranged on pressure bearing water storage equipment |
| CN102425696B (en) * | 2011-12-21 | 2013-02-13 | 王贵林 | Special manual air inlet valve for device in bearing water storage equipment |
| CN203670960U (en) * | 2013-12-27 | 2014-06-25 | 忻州市飞鸣节水设备有限公司 | Special valve for pressure bearing water storing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113314799A (en) * | 2021-06-07 | 2021-08-27 | 吴彼懋 | Lithium battery |
| CN113314799B (en) * | 2021-06-07 | 2022-09-27 | 江苏天辉锂电池有限公司 | Lithium battery |
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| Publication number | Publication date |
|---|---|
| CN103672086B (en) | 2016-01-06 |
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Granted publication date: 20160106 Termination date: 20181227 |
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