CN205578858U - But switch discharge valve - Google Patents
But switch discharge valve Download PDFInfo
- Publication number
- CN205578858U CN205578858U CN201620277186.XU CN201620277186U CN205578858U CN 205578858 U CN205578858 U CN 205578858U CN 201620277186 U CN201620277186 U CN 201620277186U CN 205578858 U CN205578858 U CN 205578858U
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- Prior art keywords
- exhaust passage
- valve
- knob
- sealing washer
- air bleeding
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- 238000007789 sealing Methods 0.000 claims abstract description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 230000000740 bleeding effect Effects 0.000 claims description 28
- 241001149930 Protura <class> Species 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 239000012535 impurity Substances 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
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- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The utility model discloses a but switch discharge valve, can vertically install the peak in the heating pipeline system, through the effective gas of the separation of the aquatic in the discharge pipe system of this discharge valve, thereby prevent the interior negative pressure that produces of pipe -line system, improve pipe -line system's safety in utilization, its structure includes the valve body, a valve cove, floater and exhaust passage etc, add knob and the knob ejector pin isotructure that manually to end at the exhaust passage top, thereby the convenient exhaust passage of closing under needs maintenance or emergency, simultaneously, establish the filter screen in the water inlet of valve body lower extreme, can prevent effectively that impurity from getting into in the discharge valve to guarantee discharge valve's safety in utilization, in addition, floater ejector pin and knob ejector pin adopt sealed conical head and the mode that seal ring made sealing contact to carry out opening and close of exhaust passage, and combined sealing is more reliable for this kind of conical surface, has also promoted discharge valve's result of use, and the discharge valve function after the improvement is abundanter, various, to system protection also reasonable more, safety.
Description
Technical field
This utility model relates to a kind of air bleeding valve being installed on hot duct system, specifically refers to switchable air bleeding valve.
Background technology
Air bleeding valve is a kind of common pipeline valve, it is installed on the aerofluxus of the pipelines such as independent heating system, central heating system, heating boiler, central air-conditioning, floor heating and solar heating system more, this is because generally all dissolved with certain air in water in pipeline, and the dissolubility of air raises along with temperature and reduces；nullSo，Gas the most gradually is separated from the water out in water cycle process，And formation air pocket of gradually getting together、The air pockets such as gas column，Because tubing has water persistently to supplement，Therefore gas also the most often produces，And air bleeding valve is a kind of drain tap being installed on tubing peak，Its Main Function is release heating system and the interior air pocket produced of water supply line，Its operation principle is to arrange a ball float with push rod in the valve pocket that valve body and valve gap are constituted，The exhaust passage of valve pocket it is communicated with in valve gap，When the volume of air in pipeline、When air pressure etc. change，May result in the water level in valve pocket and produce change the most accordingly，Then ball float just floats along with lifting is made in the change of water level，Thus seal with thimble and open and close exhaust passage，Although this structure well solves the exhausting problem of hot duct system，But have been found that in actually used，When needs are safeguarded or in emergency circumstances must shut off exhaust passage，Existing air bleeding valve is due to not cut-off structure，Therefore more inconvenience is used when running into above-mentioned situation；Simultaneously as the bore of exhaust passage is typically designed less, and the water in tubing also can be mingled with some impurity, the iron filings such as peeled off in pipeline, the grains of sand etc. mixed, these impurity enter air bleeding valve along with water, exhaust passage can be caused to block, thus affect the safety in utilization of air bleeding valve；It addition, the structure design that the push rod on existing ball float seals keying exhaust passage is less reliable, there is the phenomenons such as sealing leak during use, have impact on the using effect of air bleeding valve.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the defect of prior art to provide one to possess filtering function and cutoff function, and the reliable switchable air bleeding valve of exhaust sealing.
Technical problem of the present utility model is achieved through the following technical solutions:
A kind of switchable air bleeding valve, including valve body and the valve gap being sealingly mounted at body top, between this valve body and valve gap constitute valve pocket and in set ball float, valve body lower end is communicated with the water inlet of valve pocket, the exhaust passage of valve pocket it is communicated with in valve gap, ball float top is provided with ball float push rod, this ball float push rod stretches into and seals keying exhaust passage, described top, exhaust passage is provided with the knob that axial seal is moved, the upper sealing washer that setting-in is arranged it is provided with in exhaust passage, described knob lower end is provided with knob push rod, the bottom of this knob push rod is provided with sealing conehead, and sealing conehead is moved by the axial seal of knob and is in sealing contact with described upper sealing washer and opens and closes exhaust passage.
It is provided with drainage screen in described water inlet.
Being provided with the lower sealing washer that setting-in is arranged in described exhaust passage, this lower sealing washer is positioned at below upper sealing washer, and described ball float push rod upper end is provided with and is in sealing contact with described lower sealing washer and opens and closes the sealing conehead of exhaust passage.
The lower interior shoulder arranged for described lower sealing washer setting-in it is provided with in described exhaust passage.
The upper interior shoulder arranged for described upper sealing washer setting-in it is provided with in described exhaust passage.
Described valve gap side is provided with the air vent of exhaust passage, installs exhaust joint in this air vent.
Described exhaust passage is connected with interconnection by vertical passageway and forms " ┣ " type shape three circulation passage；Described upper and lower seal washer is all embedded in and is arranged in vertical passageway, and described air vent is arranged on the end of interconnection, and the level height of described upper sealing washer is less than the level height of air vent.
The described knob axial seal moving structure at top, exhaust passage is that knob thread is connected in top, exhaust passage, is provided with the "O"-ring that setting-in is fixing on knob, and this "O"-ring is in sealing contact in exhaust passage.
Compared with prior art, this utility model be mainly have additional at the top, exhaust passage of air bleeding valve can the knob structure of manual shutoff exhaust passage, thus convenient in needs maintenance or in emergency circumstances close exhaust passage；Meanwhile, in the water inlet of valve body lower end, set drainage screen, can effectively prevent impurity from entering in air bleeding valve, to ensure the safety in utilization of air bleeding valve；Additionally; ball float push rod and knob push rod are all the keyings that the mode using sealing conehead and seal washer to make to be in sealing contact is exhausted passage; it is relatively reliable that this conical surface combines sealing; also the using effect of air bleeding valve is improved; air bleeding valve function after improvement is more rich, various, safety the most reasonable to system protection.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model.
Fig. 2 is the sectional structure schematic diagram of valve gap.
Detailed description of the invention
By above-mentioned accompanying drawing, this utility model embodiment will be elaborated again below.
As shown in Fig. 1 ~ Fig. 2,1. valve body, 11. valve pockets, 12. water inlets, 2. valve gap, 21. exhaust passages, 211. vertical passageways, 212. interconnections, 22. air vents, on 23. in shoulder, take in 24. times, 3. ball float, 31. ball float push rods, 4. knob, 41. knob push rods, 5. "O"-ring, 6. exhaust joint, 7. upper sealing washer, 8. lower sealing washer, 9. drainage screen, 10. seal conehead.
Switchable air bleeding valve, as it is shown in figure 1, it is a kind of drain tap being vertically arranged to hot duct system peak, the gas that can effectively be separated in the water in offtake piping system by this air bleeding valve, thus in preventing tubing, produce negative pressure, improve the safety in utilization of tubing.
Described air bleeding valve includes that the valve body 1 being positioned at bottom and thread seal are connected to the valve gap 2 at valve body 1 top, valve body 1 bottom is offered water inlet 12 and is connected with tubing, drainage screen 9 it is provided with in water inlet 12, can be used for the impurity mixed in drainage, and cause aerofluxus to be lost efficacy to prevent impurity from entering air bleeding valve.
Valve pocket 11 is constituted between described valve body 1 and valve gap 2, it is that the water of the air by upper strata and lower floor is constituted in valve pocket under normality, being provided with the ball float 3 swimming in the water surface in valve pocket 11, this ball float top is provided with hard-wired ball float push rod 31, and is provided with sealing conehead 10 in the upper end of ball float push rod.
Exhaust passage 21 as shown in Figure 2 it is provided with in described valve gap 2, this exhaust passage is connected with interconnection 212 by vertical passageway 211 and forms " ┣ " type shape three circulation passage, vertical passageway 211 connects with valve pocket 11 downwards, vertical passageway 211 extends upward through valve gap 2 top, the connection of interconnection 212 one end is at the middle part of vertical passageway 211, the other end runs through valve gap 2 side and is set to air vent 22, threaded exhaust joint 6 it is provided with in air vent, this exhaust joint outer surface is provided with pawl shape and structure, to facilitate flexible pipe to install, by flexible pipe by outside the excessive gas discharge chamber in valve pocket 11.
Described ball float push rod 31 stretches in the vertical passageway 211 of exhaust passage 21, set interior shoulder 24 in this vertical passageway and lower sealing washer 8 is set for setting-in, and ball float push rod 31 can not only be used for the guiding of ball float 3 lifting activity in being fitted in vertical passageway 211, the sealing conehead 10 that can drive again ball float push rod 31 along with the lifting of ball float 3 is in sealing contact with lower sealing washer 8 composition, thus opens and closes exhaust passage 21.
The sealing of exhaust passage 21 is opened and closed by ball float push rod 31: slowly gather when the gas in tubing enters valve pocket 11, and pressure rises in causing valve pocket 11, when gas pressure is more than tubing pressure, gas will force the water level decreasing in valve pocket 11, then ball float 3 declines the most therewith, then the sealing conehead 10 of ball float push rod 31 upper end just departs from lower sealing washer 8, thus opens exhaust passage 21, is discharged by air vent 22 by the excessive gas in valve pocket 11；In once gas discharge makes valve pocket 11, pressure tends to be steady, then water level again rises and drives ball float 3 to rise the most therewith, then seal conehead 10 and reseal contact lower sealing washer 8, be i.e. re-closing off exhaust passage 21.
Additionally, cause the water level decreasing in valve pocket 11 when producing negative pressure in tubing, then can be opened exhaust passage 21 by the ball float 3 declined equally, now the pressure in external atmosphere pressure force rate tubing is big, then ambient atmosphere enters tubing by exhaust passage 21, occurs that negative pressure endangers in preventing from tubing.
The top, vertical passageway 211 of described exhaust passage 21 is provided with threaded knob 4, this knob upper end is exposed convenient to operate, lower end is provided with the knob push rod 41 stretched in exhaust passage 21, it also is provided with in the bottom of knob push rod sealing conehead 10, and on knob 4, it being additionally provided with the "O"-ring 5 that setting-in is fixing, this "O"-ring is in sealing contact in exhaust passage 21；Therefore, move when operation knob 4 rotation can make knob and knob push rod 41 form axial seal.
Simultaneously, it is additionally provided with interior shoulder 23 in exhaust passage 21 and makees setting-in setting for upper sealing washer 7, this upper sealing washer is arranged on the top of lower sealing washer 8, and the level height of upper sealing washer 7 is less than the level height of air vent 22, the sealing conehead 10 of knob push rod 41 bottom will be in sealing contact upper sealing washer 7 along with moving axially, i.e. moving up and down, thus opens and closes exhaust passage 21.
The sealing of exhaust passage 21 is opened and closed by knob push rod 41: when needs are safeguarded or are in an emergency, can manually tighten knob 4 makes the sealing conehead 10 of knob push rod 41 lower end be in sealing contact upper sealing washer 7, then exhaust passage 21 just can be forced closed, and the knob 4 under normality is at open mode, normally use with easy to exhaust valve.
This utility model is applicable to the aerofluxus of the hot duct systems such as ground heating system, solar heating system, heating system, central air-conditioning, diverse in function, use safety, it is simple to popularization and application.
The above is only better embodiment of the present utility model, therefore all equivalence changes done according to structure, feature and the principle described in this utility model patent claim or modification, all should be included in this utility model patent claim.
Claims (8)
- null1. a switchable air bleeding valve，Including valve body (1) and the valve gap (2) that is sealingly mounted at valve body (1) top，Between this valve body (1) and valve gap (2) constitute valve pocket (11) and in set ball float (3)，Valve body (1) lower end is communicated with the water inlet (12) of valve pocket (11)，The exhaust passage (21) of valve pocket (11) it is communicated with in valve gap (2)，Ball float (3) top is provided with ball float push rod (31)，This ball float push rod stretches into and seals keying exhaust passage (21)，It is characterized in that described exhaust passage (21) top is provided with the knob (4) that axial seal is moved，The upper sealing washer (7) that setting-in is arranged it is provided with in exhaust passage (21)，Described knob (4) lower end is provided with knob push rod (41)，The bottom of this knob push rod is provided with sealing conehead (10)，And sealing conehead is moved by the axial seal of knob (4) and is in sealing contact and opens and closes exhaust passage (21) with described upper sealing washer (7).
- Switchable air bleeding valve the most according to claim 1, it is characterised in that be provided with drainage screen (9) in described water inlet (12).
- Switchable air bleeding valve the most according to claim 1, the lower sealing washer (8) that setting-in is arranged it is provided with in it is characterized in that described exhaust passage (21), this lower sealing washer is positioned at upper sealing washer (7) lower section, and described ball float push rod (31) upper end is provided with and is in sealing contact with described lower sealing washer (8) and opens and closes the sealing conehead (10) of exhaust passage (21).
- Switchable air bleeding valve the most according to claim 3, it is characterised in that be provided with the lower interior shoulder (24) arranged for described lower sealing washer (8) setting-in in described exhaust passage (21).
- Switchable air bleeding valve the most according to claim 1, it is characterised in that be provided with the upper interior shoulder (23) arranged for described upper sealing washer (7) setting-in in described exhaust passage (21).
- Switchable air bleeding valve the most according to claim 3, it is characterised in that described valve gap (2) side is provided with the air vent (22) of exhaust passage (21), installs exhaust joint (6) in this air vent.
- Switchable air bleeding valve the most according to claim 6, it is characterised in that described exhaust passage (21) is connected with interconnection (212) by vertical passageway (211) and forms " ┣ " type shape three circulation passage；Described upper and lower seal washer is all embedded in and is arranged in vertical passageway (211), and described air vent (22) is arranged on the end of interconnection (212), and the level height of described upper sealing washer (7) is less than the level height of air vent (22).
- Switchable air bleeding valve the most according to claim 1, it is characterized in that the described knob (4) the axial seal moving structure at exhaust passage (21) top is that knob (4) is threaded in exhaust passage (21) top, being provided with the "O"-ring (5) that setting-in is fixing on knob (4), this "O"-ring is in sealing contact in exhaust passage (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620277186.XU CN205578858U (en) | 2016-04-06 | 2016-04-06 | But switch discharge valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620277186.XU CN205578858U (en) | 2016-04-06 | 2016-04-06 | But switch discharge valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205578858U true CN205578858U (en) | 2016-09-14 |
Family
ID=56864345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620277186.XU Active CN205578858U (en) | 2016-04-06 | 2016-04-06 | But switch discharge valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205578858U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623518A (en) * | 2020-06-24 | 2020-09-04 | 广东万家乐燃气具有限公司 | An exhaust structure and an electric water heater with the exhaust structure |
| CN111928001A (en) * | 2020-08-27 | 2020-11-13 | 山西桐鑫宇环保设备有限公司 | Automatic exhaust valve |
| CN115306798A (en) * | 2022-07-12 | 2022-11-08 | 中国船舶重工集团公司第七一九研究所 | A kind of automatic air release device and control method for hydraulic system |
-
2016
- 2016-04-06 CN CN201620277186.XU patent/CN205578858U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623518A (en) * | 2020-06-24 | 2020-09-04 | 广东万家乐燃气具有限公司 | An exhaust structure and an electric water heater with the exhaust structure |
| CN111928001A (en) * | 2020-08-27 | 2020-11-13 | 山西桐鑫宇环保设备有限公司 | Automatic exhaust valve |
| CN115306798A (en) * | 2022-07-12 | 2022-11-08 | 中国船舶重工集团公司第七一九研究所 | A kind of automatic air release device and control method for hydraulic system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |