CN203585454U - Signal regulation type check valve - Google Patents
Signal regulation type check valve Download PDFInfo
- Publication number
- CN203585454U CN203585454U CN201320794786.XU CN201320794786U CN203585454U CN 203585454 U CN203585454 U CN 203585454U CN 201320794786 U CN201320794786 U CN 201320794786U CN 203585454 U CN203585454 U CN 203585454U
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- CN
- China
- Prior art keywords
- valve
- valve body
- valve plate
- flow switch
- baffle
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052802 copper Inorganic materials 0.000 claims abstract description 20
- 239000010949 copper Substances 0.000 claims abstract description 20
- 230000006978 adaptation Effects 0.000 claims description 6
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 230000000670 limiting effect Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000725 suspension Substances 0.000 abstract 2
- 238000007789 sealing Methods 0.000 description 8
- 241001347978 Major minor Species 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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- Details Of Valves (AREA)
- Check Valves (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a signal regulation type check valve which comprises a main valve body, an auxiliary valve body, a valve cover, a valve plate and a valve rod. The valve cover is provided with a baffle-type flow switch extending into the auxiliary valve body; a block piece of the baffle-type flow switch is not in contact with the valve plate in a normal state; the flow switch is connected with a water pump by a signal; and when the valve plate is opened to be in contact with the block piece of the baffle-type flow switch, the baffle-type flow switch carries out flow regulation on water supply of the water pump. The signal regulation type check valve has limiting effects on flow and a flow velocity of water in the valve body and flow and a flow velocity of the pump. Even under the condition that the flow switch is damaged, the valve plate also can be normally opened and is limited. A valve plate suspension loop and a valve body suspension loop are limited by copper sleeves; both ends of the valve rod are limited by limiting blocks; meanwhile, the signal regulation type check valve has a simple structure and low manufacturing accuracy, adopts a small number of parts, is low in production cost and has a long service life; and a boss on the valve plate takes an effect of a counter weight so as to further reduce the opening speed of the valve plate and protect the valve plate.
Description
Technical field
The utility model relates to Swing check valve, relates in particular to Signal Regulation formula safety check.
Background technique
At present, Swing check valve is mainly used on the pipeline of the industries such as oil, chemical industry, pharmacy, metallurgy, coal, power industry, urban water supply and sewerage, the power that in tube road, water pump and motor pushing media flow produce and opening and closing automatically, its Main Function is to prevent that medium from flowing backwards, preventing water pump and drive motor reversion thereof, ensures network security operation.Existing Swing check valve, it comprises valve body, valve gap, valve rod, valve plate.Common opening and closing are exactly that valve plate rotates and carries out opening and closing around the valve rod on valve body.This Swing check valve is opened infinite place while putting in place, and when valve plate impact valve body wall, valve plate just stops.This stop mode is large to valve plate, valve body infringement, and impact noise is large.Meanwhile, flow, the flow velocity of this structure to water in valve body is uncontrollable, and flow, flow velocity to water pump are also uncontrollable.If the flow of water pump, flow velocity are excessive, the excessive velocities that valve plate is opened, valve plate produces strong collision to valve body wall when valve body upper valve rod rotate in place, and noise is large.It is cracked that shock can cause valve plate frequently, cannot guarantee that valve plate normally opens, and while closing, valve plate produces strong collision too to valve body sealing surface, and this shock causes valve plate cracked too, cannot guarantee that valve plate normally closes.In addition, also there is defect in the means of fixation of valve rod in existing Swing check valve, and when only a screw is fixing, valve plate is easily vibration on valve rod, when valve rod two ends adopt snap ring, because vibration causes clamping ring falling, cannot guarantee that valve plate normally moves.In addition, the existing Swing check valve complex structure with oil cylinder Slow Close, accuracy of manufacturing is high, and component are many, and cost of production is high.
Model utility content
The technical problems to be solved in the utility model is subject to the reliably spacing damage causing valve plate of impact of water flow impact pressure while being existing Swing check valve opening and closing, a kind of Signal Regulation formula safety check is provided for this reason.
The technical solution of the utility model is: Signal Regulation formula safety check, it comprises main valve body, auxiliary valve body, valve gap, valve plate and valve rod, described valve gap is provided with the flow switch that stretches into auxiliary valve body inside, under the catch normality of described flow switch, do not contact with valve plate, flow switch is connected with water pump signal, and when valve plate unlatching contacts with the catch of flow switch, flow switch supplies water and carries out Flow-rate adjustment water pump.
The improvement of such scheme is on described valve gap, to be also provided with the position-limited lever that stretches into auxiliary valve body inside, and the catch that the length that described position-limited lever is positioned at auxiliary valve body inside is less than flow switch is positioned at the length of auxiliary valve body inside.
The further improvement of such scheme is that described position-limited lever end is socketed with spring, and the end of described spring exceeds the end of position-limited lever.
The further improvement of such scheme is adaptive limited location piece between described valve rod two ends and auxiliary valve body inwall.
Further improving again of such scheme is that described valve plate is provided with valve plate hangers, in described valve plate hangers, adaptation has the first copper sheathing, described main valve body inwall is provided with the main valve body hangers that can engage valve plate hangers, and the interior adaptation of described main valve body hangers has the second copper sheathing with the first copper sheathing close contact.
The another improvement of such scheme is that described valve plate forms boss away from one end outwardly convex of valve gap.
The beneficial effects of the utility model are: on valve gap, set up the flow switch being connected with water pump signal, when valve plate is opened into the catch that clashes into flow switch, flow switch disconnects and makes water pump carry out stepless speed regulation reduction water pump flow velocity, guarantee valve plate opening and closing within the scope of normal angled, even if the arranging of position-limited lever guaranteed that flow switch breaks down and also can control valve plate opening and closing within the scope of normal angled, strengthen the spacing reliability of valve plate, effectively extended the working life of valve plate; Valve plate hangers and copper sheathing with effectively reduce valve plate rocking at the volley coordinating of main valve body hangers and copper sheathing, valve lever clamp is held in the limiting stopper of auxiliary valve body, has effectively prevented the vibration of valve rod; Boss on valve plate has played the effect of counterweight, has further reduced the opening speed of valve plate, has protected valve plate.
Accompanying drawing explanation
Fig. 1 is the utility model schematic diagram;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the valve plate opening state schematic diagram of Fig. 2;
In figure, 1, main valve body, 2, major-minor valve body connecting bolt, 3, major-minor valve body O RunddichtringO, 4, main valve body sealing copper band, 5, valve rod, 6, valve plate sealing copper band, 7, valve plate, 8, baffle-type flow switch, 9, position-limited lever, 10, valve gap O RunddichtringO, 11, valve gap clamping bolt, 12, valve gap, 13, auxiliary valve body, 14, boss, 15, limiting stopper, 16, main valve body hangers, 17, the second copper sheathing, 18, valve plate hangers, 19, the first copper sheathing, 20, spring.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1, Figure 2, Figure 3 shows, the utility model comprises main valve body 1, auxiliary valve body 13, valve gap 12, valve plate 7 and valve rod 5, valve gap is provided with the baffle-type flow switch 8 that stretches into auxiliary valve body inside, under the catch normality of baffle-type flow switch, do not contact with valve plate, baffle-type flow switch is connected with water pump signal, and when valve plate unlatching contacts with the catch of baffle-type flow switch, baffle-type flow switch supplies water and carries out Flow-rate adjustment water pump.
Main valve body is connected by major-minor valve body connecting bolt 2 with auxiliary valve body, in order to strengthen sealing effect, can be provided with in major-minor valve body connecting bolt joint major-minor valve body O RunddichtringO 3, sealing surface on main valve body is provided with main valve body sealing copper band 4, the sealing surface of valve plate is provided with valve plate sealing copper band 6, valve gap is fixedly connected on auxiliary valve body by valve gap clamping bolt 11, is provided with valve gap O RunddichtringO between valve gap clamping bolt 11 and auxiliary valve body.
When pump capacity is excessive, valve plate 7 is opened rapidly, until bump against baffle-type flow switch 8, baffle-type flow switch 8 disconnects, and after baffle-type flow switch 8 disconnects, provides signal feed water pump, and water pump is by stepless speed regulation, reduce water pump flow velocity, guarantee valve plate 7 opening and closing within the scope of normal angled, by the flow and the flow velocity that change water pump input valve body, valve plate 7 is carried out to opening and closing, effectively extended the working life of valve plate.
In order to prevent that the catch of baffle-type flow switch from being broken by valve plate or occurring that chance failure causes carrying out valve plate opening angle reliably spacing; can on valve gap, also be provided with the position-limited lever 9 that stretches into auxiliary valve body inside; the catch that the length that position-limited lever is positioned at auxiliary valve body inside is less than baffle-type flow switch is positioned at the length of auxiliary valve body inside; guarantee that so first valve plate contacts catch while opening; when catch damage come off or when bending valve plate continue to lift with position-limited lever and contact; limited bar stops can not strike valve body, plays the effect of protection valve plate.Preferably at the end of position-limited lever, be socketed with spring 20; the end of spring exceeds the end of position-limited lever, make valve plate first with spring contact, after the compressed deformation of spring, contact with position-limited lever again; spring plays the effect that slows down impact force, has protected valve plate also to protect position-limited lever.
Valve plate 7 is provided with symmetrical valve plate hangers 18, in two hangers, adaptation has the second copper sheathing 17 respectively, the main valve body with it position of correspondence is provided with left and right main valve body hangers 16, in hangers, adaptation has the first copper sheathing 19 respectively, valve plate two hangers and the second copper sheathing are stuck in main valve body hangers and the first copper sheathing, by copper sheathing, rub spacing, prevent the vibration of valve plate, make valve body more stable.
In order to prevent that valve rod from double swerve occurring when rotating, can be between valve rod two ends and auxiliary valve body inwall adaptive limited location piece 15, limiting stopper can be and the integrated projection of auxiliary valve body inwall, also can be to be fixedly connected between valve rod two ends and auxiliary valve body inwall by modes such as welding, limiting stopper left and right has clamped valve rod, stop valve rod double swerve, make valve body more stable.
Speed while opening in order to reduce valve plate extends the working life of valve plate, can also away from one end outwardly convex of valve gap, form boss 14 at valve plate, and boss plays the effect of counterweight, while allowing valve plate be subject to water impact, slowly opens.
By reference to the accompanying drawings the utility model is exemplarily described above; obviously the utility model specific implementation is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technological scheme carry out; or without improving, design of the present utility model and technological scheme are directly applied to other occasion, all within protection domain of the present utility model.
Claims (6)
1. Signal Regulation formula safety check, it comprises main valve body (1), auxiliary valve body (13), valve gap (12), valve plate (7) and valve rod (5), it is characterized in that described valve gap is provided with the baffle-type flow switch (8) that stretches into auxiliary valve body inside, under the catch normality of described baffle-type flow switch, do not contact with valve plate, flow switch is connected with water pump signal, and when valve plate unlatching contacts with the catch of baffle-type flow switch, baffle-type flow switch supplies water and carries out Flow-rate adjustment water pump.
2. Signal Regulation formula safety check as claimed in claim 1, it is characterized in that being also provided with on described valve gap the position-limited lever (9) that stretches into auxiliary valve body inside, the catch that the length that described position-limited lever is positioned at auxiliary valve body inside is less than baffle-type flow switch is positioned at the length of auxiliary valve body inside.
3. Signal Regulation formula safety check as claimed in claim 2, is characterized in that described position-limited lever end is socketed with spring (20), and the end of described spring exceeds the end of position-limited lever.
4. Signal Regulation formula safety check as claimed in claim 3, is characterized in that adaptive limited location piece (15) between described valve rod two ends and auxiliary valve body inwall.
5. Signal Regulation formula safety check as claimed in claim 4, it is characterized in that described valve plate is provided with valve plate hangers (18), in described valve plate hangers, adaptation has the first copper sheathing (19), described main valve body inwall is provided with the main valve body hangers (16) that can engage valve plate hangers, and the interior adaptation of described main valve body hangers has the second copper sheathing (17) with the first copper sheathing close contact.
6. the Signal Regulation formula safety check as described in as arbitrary in claim 1-4, is characterized in that described valve plate forms boss (14) away from one end outwardly convex of valve gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320794786.XU CN203585454U (en) | 2013-12-06 | 2013-12-06 | Signal regulation type check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320794786.XU CN203585454U (en) | 2013-12-06 | 2013-12-06 | Signal regulation type check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203585454U true CN203585454U (en) | 2014-05-07 |
Family
ID=50583374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320794786.XU Expired - Lifetime CN203585454U (en) | 2013-12-06 | 2013-12-06 | Signal regulation type check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203585454U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286908A (en) * | 2016-08-24 | 2017-01-04 | 英诺威阀业有限公司 | A kind of quiet Slow Close Valve of high-performance |
| CN106885026A (en) * | 2017-03-17 | 2017-06-23 | 江苏爵格工业设备有限公司 | A kind of unidirectional flame proof valve of normally closed type |
| CN106989192A (en) * | 2017-02-27 | 2017-07-28 | 江苏爵格工业设备有限公司 | A kind of unidirectional flame proof valve of air flow blowing formula |
| CN110296079A (en) * | 2018-03-21 | 2019-10-01 | 东莞市新清机械科技有限公司 | Double cosine line rotor gas compressors |
| CN111577946A (en) * | 2020-05-08 | 2020-08-25 | 重庆美的通用制冷设备有限公司 | Fluid Controls and Refrigeration Equipment |
| CN112167037A (en) * | 2019-07-01 | 2021-01-05 | 欧亚农技有限公司 | Water culture tray |
-
2013
- 2013-12-06 CN CN201320794786.XU patent/CN203585454U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286908A (en) * | 2016-08-24 | 2017-01-04 | 英诺威阀业有限公司 | A kind of quiet Slow Close Valve of high-performance |
| CN106989192A (en) * | 2017-02-27 | 2017-07-28 | 江苏爵格工业设备有限公司 | A kind of unidirectional flame proof valve of air flow blowing formula |
| CN106885026A (en) * | 2017-03-17 | 2017-06-23 | 江苏爵格工业设备有限公司 | A kind of unidirectional flame proof valve of normally closed type |
| CN110296079A (en) * | 2018-03-21 | 2019-10-01 | 东莞市新清机械科技有限公司 | Double cosine line rotor gas compressors |
| CN112167037A (en) * | 2019-07-01 | 2021-01-05 | 欧亚农技有限公司 | Water culture tray |
| CN112167037B (en) * | 2019-07-01 | 2023-12-22 | 欧亚农技有限公司 | Shui Peituo disk |
| CN111577946A (en) * | 2020-05-08 | 2020-08-25 | 重庆美的通用制冷设备有限公司 | Fluid Controls and Refrigeration Equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |
|
| CX01 | Expiry of patent term |