CN203549022U - Bypass differential pressure valve - Google Patents
Bypass differential pressure valve Download PDFInfo
- Publication number
- CN203549022U CN203549022U CN201320668585.5U CN201320668585U CN203549022U CN 203549022 U CN203549022 U CN 203549022U CN 201320668585 U CN201320668585 U CN 201320668585U CN 203549022 U CN203549022 U CN 203549022U
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- Prior art keywords
- valve
- blow
- valve body
- line
- water outlet
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 73
- 239000013049 sediment Substances 0.000 claims abstract description 6
- 230000006835 compression Effects 0.000 claims description 31
- 238000007906 compression Methods 0.000 claims description 31
- 238000007789 sealing Methods 0.000 claims description 21
- 238000013022 venting Methods 0.000 claims description 11
- 230000033001 locomotion Effects 0.000 claims description 7
- 239000012530 fluid Substances 0.000 abstract description 12
- 238000007599 discharging Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 17
- 230000009467 reduction Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model provides a bypass differential pressure valve, and belongs to the technical field of mechanical equipment. The bypass differential pressure valve solves the technical problems that an existing bypass differential pressure valve is simple in structure, single in function and the like. The bypass differential pressure valve comprises a valve body, a water inlet and a water outlet. A valve cavity is arranged in the valve body, the water inlet is located in one end of the valve body and communicated with the valve cavity, the water outlet is located in the lateral of the valve body and communicated with the valve cavity, a valve element and an adjustment lever are arranged, between the water outlet and the water inlet, in the valve cavity, a spring is arranged between the inner end of the adjustment lever and the valve element, an adjusting device enabling the adjustment lever to axially move is arranged at the outer end of the adjustment lever, and blowdown apparatus capable of discharging sediment sundries in the valve cavity is arranged on one side of the valve body and is communicated with the valve cavity between the water outlet and the water inlet. The bypass differential pressure valve is provided with the blowdown apparatus and an air exhausting device, so the sediments in the valve body and gas in the valve can be controlled to be discharged, and fluid in the valve body can circulate smoothly and beneficially.
Description
Technical field
The utility model belongs to mechanical equipment technical field, relates to a kind of valve, particularly a kind of bypass compression difference limen.
Background technique
Usually said bypass compression difference limen is a kind of any external power that do not need, and relies on the pressure of pipe network self just can keep the relatively constant control valve unit of pressure reduction at valve two ends, can effectively keep equipment not damaged.Common bypass compression difference limen is divided into two kinds of normal close type and open types, normal close type is usually used in water pipe and the return pipe of fuel oil or heat source gas, and between the water collecting and diversifying device of central air-conditioner, as once measuring flow, the bypass of second side variable flow system is installed, the excess Temperature that can effectively protect fuel oil, combustion gas unit can not cause because flow is too small damages, and phenomenon appears damaging in the partial freezing that also can effectively protect handpiece Water Chilling Units to cause because flow is too small; Open type is the central heating system in and thermal source Gao district large for height difference; during use, by height difference, set the pressure reduction of this valve; drawdown pump, safety check are installed in return pipe appropriate location, Bing Di district; the backwater decompressor that modulating valve forms; by modulating valve, regulate and set return pipe pressure; so both can guarantee that high district user there will not be turned letter phenomenon, and can protect again low district equipment can not damage because of overpressure.
Along with going from bad to worse of environment, contaminated water or air-capacitor easily cause the phenomenons such as obstruction of pipeline, and what single filtration blowdown valve was regular will change cleaning, and multifunction valve is by the trend developing after being.Differential-pressure bypass valve structure is more single now, and function is also more single.
China's patent (CN201679965U) discloses a kind of adjustable pressure difference bypass valve.This adjustable pressure difference bypass valve comprises oblique pedestal, oblique pedestal is connected respectively with water intake and the water outlet of bypass valve, has bypass adjustment sleeve in oblique pedestal, and bypass adjustment sleeve outer wall cover has bypass spring, bypass spring top is bypass bar, and bypass bar is connected to adjustable with oblique block body axis.This adjustable pressure difference bypass valve is compared with existing differential-pressure bypass valve, and the pressure reduction being conditioned can regulate, and this adjustable pressure difference bypass valve is installed on the water route that water collecting and diversifying device end is applicable to different pressures.
The adjustable pressure difference bypass valve that above-mentioned patent provides, can only adjust manifold pressure balance, and structure is single, and function singleness changes that to clean blowdown etc. very inconvenient under to serious pollution environment to it, have certain narrow limitation.
Summary of the invention
The problems referred to above that the utility model exists for existing technology, provide a kind of bypass compression difference limen, and technical problem to be solved in the utility model is: how can make bypass compression difference limen can also have the multiple functions such as blowdown when having the pressure reduction of adjusting.
The utility model object can realize by following technical proposal:
A kind of bypass compression difference limen, described bypass compression difference limen comprises valve body, water intake and water outlet, in described valve body, be provided with valve pocket, described water intake is positioned at described valve body one end and is connected with described valve pocket, described water outlet is positioned at described valve body sidepiece and is connected with described valve pocket, it is characterized in that, in valve pocket between described water outlet and described water intake, be provided with spool and adjustable lever, between described adjustable lever the inner and described spool, be provided with spring, described adjustable lever outer end is provided with the controlling device that makes described adjustable lever axial motion, described valve body one side is provided with and can makes the drainage device that in described valve pocket, sediment miscellaneous object is discharged, described drainage device is connected with the valve pocket between water intake with described water outlet.
Its principle is as follows: this bypass compression difference limen comprises valve body, water intake and water outlet, in valve body, be provided with valve pocket, water intake is positioned at valve body one end and is connected with valve pocket, water outlet is positioned at valve body sidepiece and is connected with valve pocket, in valve pocket between water outlet and water intake, be provided with spool and adjustable lever, between adjustable lever the inner and spool, be provided with spring, adjustable lever outer end is provided with the controlling device that makes adjustable lever axial motion, valve body one side is provided with and can makes the drainage device that in valve pocket, sediment miscellaneous object is discharged, drainage device is connected with the valve pocket between water intake with water outlet, flowing medium enters valve pocket through water intake, the process of discharging from water outlet again, when there is no pressure, spring extends promotion spool and moves to water intake, so just can block water intake and water outlet, when hydrodynamic pressure is larger, by spool to spring energized, spring contraction, spool also moves with it, fluid just can be discharged from water outlet, pressure is larger, spring contraction more, the velocity of discharge of fluid is faster, can automatically eliminate the flow deviation that the fluctuation of main line internal pressure causes, in the time of need to changing the setting pressure reduction of bypass compression difference limen, adjust controlling device, change adjustable lever is adjustable pressure difference with respect to the position of water outlet, and when adjustable lever is the closer to water intake, spool need to be subject to larger pressure could make fluid from discharging from water outlet by Compress Spring, while having object or impurity in valve, can open the drainage device of bypass valve lower end, can be conducive to like this object and discharge from the drainage device of lower end, guarantee that flow of fluid is smooth and easy, the foreign material in cleaning valve body are also convenient.
In above-mentioned a kind of bypass compression difference limen, described valve body opposite side is provided with the venting gas appliance that can make described valve intracavity gas discharge, described venting gas appliance comprises exhaust duct and seal bar one, described exhaust duct one end and the described water outlet described exhaust duct sidepiece that is connected with valve pocket between water intake offers relief opening, and described seal bar one the inner is provided with seal ring and is threaded in the described exhaust duct the other end.When gas is too much in valve, can open the venting gas appliance of bypass valve, rotary seal bar one, is provided with by its inner that seal ring is opened or closed exhaust pipeline, and while opening, gas will be from discharging from relief opening by exhaust duct, be conducive to the flow of fluid in valve, to better control fluid pressure.
In above-mentioned a kind of bypass compression difference limen, described controlling device comprises handwheel sleeve, and described handwheel sleeve is threaded in the outer surface of described valve body and is connected with described adjustable lever outer end.By the rotation of handwheel sleeve, can change the position of the adjustable lever being connected with it, thereby reach the object that regulates pressure difference.
In above-mentioned a kind of bypass compression difference limen, described drainage device comprises that blow-off line, seal bar two and sealing cover emit, described blow-off line sidepiece is installed with blow down branch, described blow down branch one end is connected with described blow-off line, the described blow down branch the other end and described sealing emit lid to be spirally connected, and described seal bar two is threaded in the lower end of described blow-off line and can axial motion seals described blow-off line.By two pairs of blow-off lines of seal bar, seal obstruction, can effectively prevent leak of liquid.
In above-mentioned a kind of bypass compression difference limen, as another kind of scheme, described drainage device comprises that blow-off line and sealing cover emit, and described blow-off line is inner to be connected with described valve pocket, and described sealing emits lid to be screwed onto described blow-off line outer end.Open sealing cover and emit, deposition foreign material just can be discharged from blow-off line, simple in structure.
In above-mentioned a kind of bypass compression difference limen, as preferably, described sealing emits lid to be also provided with flexible harness with described blow-off line outer end to be connected.When twisting off sealing, emit lid while carrying out blowdown, sealing emits lid to be connected with blow-off line by flexible harness, can not lose easy-to-operat.
Compared with prior art, advantage of the present invention is as follows:
1, this bypass compression difference limen is provided with drainage device, and effectively the foreign material in expulsion valve, are conducive to flowing of the interior liquid of valve.
2, this bypass compression difference limen is provided with venting gas appliance, can be conducive to the gas purging in valve, to adjust the hydrodynamic pressure in valve body.
Accompanying drawing explanation
Fig. 1 is the perspective view of this bypass compression difference limen.
Fig. 2 is another perspective view of this bypass compression difference limen.
Fig. 3 is the structural representation of facing of this bypass compression difference limen.
Fig. 4 is A-A sectional structure schematic diagram in Fig. 3.
Fig. 5 is the backsight structural representation of this bypass compression difference limen.
Fig. 6 is B-B sectional structure schematic diagram in Fig. 5.
Fig. 7 is the perspective view of this bypass compression difference limen in embodiment two.
In figure, 1, valve body; 2, water intake; 3, water outlet; 4, valve pocket; 5, adjustable lever; 6, spool; 7, spring; 8, drainage device; 9, venting gas appliance; 10, exhaust duct; 11, seal bar one; 12, relief opening; 13, seal ring; 14, handwheel sleeve; 15, blow-off line; 16, lid is emitted in sealing; 17, seal bar two; 18, blow down branch; 19, flexible harness.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Embodiment one
As Fig. 1, shown in Fig. 3 and Fig. 4, this bypass compression difference limen comprises valve body 1, water intake 2 and water outlet 3, in valve body 1, be provided with valve pocket 4, water intake 2 is positioned at valve body 1 one end and is connected with valve pocket 4, water outlet 3 is positioned at valve body 1 sidepiece and is connected with valve pocket 4, in valve pocket 4 between water outlet 3 and water intake 2, be provided with spool 6 and adjustable lever 5, between adjustable lever 5 the inners and spool 6, be provided with spring 7, adjustable lever 5 outer ends are provided with the controlling device that makes adjustable lever 5 axial motions, valve body 1 one sides are provided with the drainage device 8 that can make the interior sediment miscellaneous object of valve pocket 4 discharge, drainage device 8 is connected with the valve pocket 4 between water intake 2 with water outlet 3, flowing medium enters valve pocket 4 through water intake 2, the process of discharging from water outlet 3 again, when there is no pressure, spring 7 extends promotion spool 6 and moves to water intake 2, so just can block water intake 2 and water outlet 3, when hydrodynamic pressure is larger, by 6 pairs of spring 7 application of forces of spool, spring 7 shrinks, and spool 6 also moves with it, fluid just can be discharged from water outlet 3, pressure is larger, and it is more that spring 7 shrinks, and the velocity of discharge of fluid is faster, can automatically eliminate the flow deviation that the fluctuation of main line internal pressure causes, in the time of need to changing the setting pressure reduction of bypass compression difference limen, adjust controlling device, the original position that changes adjustable lever 5 is adjustable pressure difference, while having object or impurity in valve, can open the drainage device 8 of bypass valve lower end, can be conducive to like this object and discharge from the drainage device 8 of lower end, guarantee that flow of fluid is smooth and easy.
As shown in Figure 2, Figure 5 and Figure 6, valve body 1 opposite side is provided with the venting gas appliance 9 that can make the interior gas of valve pocket 4 discharge, venting gas appliance 9 comprises exhaust duct 10 and seal bar 1, exhaust duct 10 one end and water outlet 3 exhaust duct 10 sidepieces that are connected with valve pocket 4 between water intake 2 offer relief opening 12, and seal bar one 11 the inners are provided with seal ring 13 and are threaded in exhaust duct 10 the other ends.When gas is too much in valve, can open the venting gas appliance 9 of bypass valve, rotary seal bar 1, by its inner, be provided with that seal ring 13 is opened or closed exhaust pipeline 10, while opening, gas will be from discharging from relief opening 12 by exhaust duct 10, be conducive to the flow of fluid in valve, to better control fluid pressure.
As shown in Figures 1 to 7, this controlling device comprises handwheel sleeve 14, and handwheel sleeve 14 is threaded in the outer surface of valve body 1 and is connected with adjustable lever 5 outer ends.By the rotation of handwheel sleeve 14, can change the position of the adjustable lever 5 being connected with it, thereby reach the object that regulates pressure difference, or directly in adjustable lever 5 outer ends, adjusting screw is installed, adjusting screw is cemented in adjustable lever 5 outer ends and is spirally connected with valve body 1.
As shown in Figures 1 to 7, drainage device 8 comprises that blow-off line 15, seal bar 2 17 and sealing cover emit, blow-off line 15 sidepieces are installed with blow down branch 18, blow down branch 18 one end are connected with blow-off line 15, blow down branch 18 the other ends and sealing are emitted and are covered 16 and be spirally connected, seal bar 2 17 is threaded in the lower end of blow-off line 15 and can axial motion seals blow-off line 15, by 2 17 pairs of blow-off lines 15 of seal bar are installed, seals obstruction, can effectively prevent leak of liquid; Sealing is emitted and is covered 16 and be also provided with flexible harness 19 with blow-off line 15 outer ends and be connected.When needs blowdown, rotary seal bar 2 17 to blow-off line 15 communicates with blow down branch 18, twists off sealing and emits and cover 16 and carry out blowdown, seals to emit to cover 16 and be connected with blow-off line 15 by flexible harness 19, can not lose easy-to-operat.
Embodiment two
As shown in Figure 7, the present embodiment and embodiment one are roughly the same, difference is, drainage device 8 in the present embodiment comprises that blow-off line 15 and sealing cover emit, blow-off line 15 is inner to be connected with valve pocket 4, seals to emit to cover 16 and be screwed onto blow-off line 15 outer ends, opens sealing cover and emits, deposition foreign material just can be discharged from blow-off line 15, convenience simple in structure.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used 1 herein, valve body; 2, water intake; 3, water outlet; 4, valve pocket; 5, adjustable lever; 6, spool; 7, spring; 8, drainage device; 9, venting gas appliance; 10, exhaust duct; 11, seal bar one; 12, relief opening; 13, seal ring; 14, handwheel sleeve; 15, blow-off line; 16, lid is emitted in sealing; 17, seal bar two; 18, blow down branch; 19, the term such as flexible harness, but do not get rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (6)
1. a bypass compression difference limen, described bypass compression difference limen comprises valve body (1), water intake (2) and water outlet (3), in described valve body (1), be provided with valve pocket (4), described water intake (2) is positioned at described valve body (1) one end and is connected with described valve pocket (4), described water outlet (3) is positioned at described valve body (1) sidepiece and is connected with described valve pocket (4), it is characterized in that, in valve pocket (4) between described water outlet (3) and described water intake (2), be provided with spool (6) and adjustable lever (5), between described adjustable lever (5) the inner and described spool (6), be provided with spring (7), described adjustable lever (5) outer end is provided with the controlling device that makes described adjustable lever (5) axial motion, described valve body (1) one side is provided with the drainage device (8) that can make the interior sediment miscellaneous object of described valve pocket (4) discharge, described drainage device (8) is connected with the valve pocket (4) between water intake (2) with described water outlet (3).
2. a kind of bypass compression difference limen according to claim 1, it is characterized in that, described valve body (1) opposite side is provided with the venting gas appliance (9) that can make the interior gas of described valve pocket (4) discharge, described venting gas appliance (9) comprises exhaust duct (10) and seal bar one (11), described exhaust duct (10) one end and described water outlet (3) described exhaust duct (10) sidepiece that is connected with valve pocket (4) between water intake (2) offers relief opening (12), described seal bar one (11) the inner is provided with seal ring (13) and is threaded in described exhaust duct (10) the other end.
3. a kind of bypass compression difference limen according to claim 1 and 2, is characterized in that, described controlling device comprises handwheel sleeve (14), and described handwheel sleeve (14) is threaded in the outer surface of described valve body (1) and is connected with described adjustable lever (5) outer end.
4. a kind of bypass compression difference limen according to claim 1 and 2, it is characterized in that, described drainage device (8) comprises that blow-off line (15), seal bar two (17) and sealing cover emit, described blow-off line (15) sidepiece is installed with blow down branch (18), described blow down branch (18) one end is connected with described blow-off line (15), described blow down branch (18) the other end and described sealing emit lid (16) to be spirally connected, and described seal bar two (17) is threaded in the lower end of described blow-off line (15) and can axial motion seals described blow-off line (15).
5. a kind of bypass compression difference limen according to claim 1 and 2, it is characterized in that, described drainage device (8) comprises that blow-off line (15) and sealing emit lid (16), described blow-off line (15) is inner to be connected with described valve pocket (4), and described sealing emits lid (16) to be screwed onto described blow-off line (15) outer end.
6. a kind of bypass compression difference limen according to claim 4, is characterized in that, described sealing emits lid (16) to be also provided with flexible harness (19) with described blow-off line (15) outer end to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320668585.5U CN203549022U (en) | 2013-10-28 | 2013-10-28 | Bypass differential pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320668585.5U CN203549022U (en) | 2013-10-28 | 2013-10-28 | Bypass differential pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203549022U true CN203549022U (en) | 2014-04-16 |
Family
ID=50467141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320668585.5U Expired - Fee Related CN203549022U (en) | 2013-10-28 | 2013-10-28 | Bypass differential pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203549022U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559451A (en) * | 2017-08-25 | 2018-01-09 | 浙江春晖智能控制股份有限公司 | A kind of built-in by-pass valve body applied to the control of wall hanging furnace system reclaimed water road |
| WO2022016878A1 (en) * | 2020-07-21 | 2022-01-27 | 浙江达柏林阀门有限公司 | Differential pressure bypass device for water distributing and collecting device of floor heating system |
-
2013
- 2013-10-28 CN CN201320668585.5U patent/CN203549022U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559451A (en) * | 2017-08-25 | 2018-01-09 | 浙江春晖智能控制股份有限公司 | A kind of built-in by-pass valve body applied to the control of wall hanging furnace system reclaimed water road |
| WO2022016878A1 (en) * | 2020-07-21 | 2022-01-27 | 浙江达柏林阀门有限公司 | Differential pressure bypass device for water distributing and collecting device of floor heating system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TAO SUFU Free format text: FORMER OWNER: ZHUO DANCHUN Effective date: 20140904 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140904 Address after: Taizhou City, Zhejiang province 317608 Yuhuan County Lu Pu Zhen Pharmaceutical Packaging Industrial Park of Zhejiang Wofan Energy Technology Co. Ltd. Patentee after: Tao Sufu Address before: Taizhou City, Zhejiang province 317608 Yuhuan County Lu Pu town Xuanmen industrial city Zhejiang world HVAC technology Co Ltd Patentee before: Zhuo Danchun |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20171028 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |