CN204493752U - A kind of can the stop valve of flow setting type - Google Patents
A kind of can the stop valve of flow setting type Download PDFInfo
- Publication number
- CN204493752U CN204493752U CN201520148766.4U CN201520148766U CN204493752U CN 204493752 U CN204493752 U CN 204493752U CN 201520148766 U CN201520148766 U CN 201520148766U CN 204493752 U CN204493752 U CN 204493752U
- Authority
- CN
- China
- Prior art keywords
- valve
- rod
- gear
- setting type
- flow setting
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of can the stop valve of flow setting type, belong to valve technology field, aim to provide the stop valve of a kind of Absorbable organic halogens control media by flow quantity in valve, its technological scheme is as follows, a kind of can the stop valve of flow setting type, comprise valve body, flap, valve rod, valve gap and handwheel, described valve body has inlet passage and outlet passage, described valve body is provided with the position-limit mechanism that restriction valve rod rotates.
Description
Technical field
The utility model relates to a kind of valve, more particularly, it relate to a kind of can the stop valve of flow setting type.
Background technique
Stop valve, also known as pipe valve valve, belongs to forced seal formula valve, so when valve closing, must apply pressure, do not leak with forced seal face to flap.When medium is by when entering valve below flap, the resistance overcome required for steering force, be the frictional force of valve rod and filler and the thrust produced by the pressure of medium, the power of the force rate valve opening door of closing valve is large, so the diameter of valve rod wants large, otherwise the fault of valve rod bending can be there is.Three kinds are divided into: Flange joint, screwed connection, to be welded to connect by Placement.After occurring from self-packing valve, the MEDIA FLOW of stop valve enters valve pocket to just changing by above flap, and at this moment under pressure medium effect, the power of closing valve is little, and the power of valve opening door is large, and the diameter of valve rod can correspondingly reduce.Meanwhile, under medium effect, the valve of this form is also tighter.China's valve " three changes are given " once specified, the flow direction of stop valve, adopted from top to bottom without exception.Stop valve open time, the Lift of flap, for nominal diameter 25% ~ 30% time. flow has reached maximum, represent valve reach fully open position.So the fully open position of stop valve, should be decided by the stroke of flap.
At present, application number be 201120457293.8 Chinese patent disclose a kind of stop valve, it comprises valve body, valve seat, flap, valve rod, valve gap and handwheel, valve seat is arranged in valve body, supports flap, and valve gap is arranged on above valve body, described valve rod is arranged in valve gap and valve body, lower end connects flap, and flap is the direct effect part that described stop valve regulates pipeline medium flow velocity, and handwheel is installed on the top of valve rod.Although this stop valve can make people by rotating handwheel to regulate the work of pipeline medium flow velocity, when needs stable flow velocity, the flow because of medium is crossed conference and is promoted valve gap and make valve rod moves, thus rate-of flow cannot be stablized.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is the stop valve providing a kind of Absorbable organic halogens control media by flow quantity in valve.
For achieving the above object, the utility model provides following technological scheme: a kind of can the stop valve of flow setting type, comprise valve body, flap, valve rod, valve gap and handwheel, described valve body has inlet passage and outlet passage, described valve body is provided with the position-limit mechanism that restriction valve rod rotates.
By adopting technique scheme, valve body is provided with the position-limit mechanism controlling valve rod and rotate, namely control by position-limit mechanism the position that valve rod rotates, to locate valve rod, valve rod can not be rotated under unartificial effect, so just, can while the flow velocity regulating the flowing of pipeline medium, the flow because of medium can also be prevented excessive and change the position of flap, thus making rate-of flow be in stable state.
The utility model is set to further: described position-limit mechanism comprises gear, strut, positioning rod and extension spring, described geared sleeve is located on valve rod, described strut is fixedly installed on valve body, one end and the strut of described positioning rod are hinged, the other end be provided with locating piece and with gear clamping, one end of described extension spring to be set on valve rod and above gear, the other end and positioning rod hinged.
By adopting technique scheme, geared sleeve is located on valve rod, strut is fixed on valve body, one end and the strut of positioning rod are hinged, the other end, by locating piece and gears meshing, by the clockwise and anticlockwise arranging control gear of locating piece, thus prevents the reversion of valve rod in the process of being rotated by handwheel actuate valve stem, and after determining the position of flap, with engaging of gear, valve rod can not be rotated by locating piece again, thus guarantee that rate-of flow is in stable state.
The utility model is set to further: described locating piece is cuboid block, and the middle part of described cuboid block is fixedly connected with positioning rod is vertical, and the two ends of described cuboid block are provided with plane of inclination, and described plane of inclination is used for the one-way rotation of limiting gear.
By adopting technique scheme, the middle part of cuboid block is fixedly connected with and forms T-shaped with positioning rod, plane of inclination is arranged to towards the one side of gear at the two ends of cuboid block, make gear can back down plane of inclination in the process rotated forward and the impact of cuboid block clamping can not be subject to, the reversion of gear effectively can be prevented again by the another side of cuboid block top incline and gears meshing, thus valve rod can not be rotated again, and then guarantee that rate-of flow is in stable state.
The utility model is set to further: described positioning rod is vertical with valve rod to be arranged.
By adopting technique scheme, arranging by positioning rod is vertical with valve rod, can make cuboid block on positioning rod can be more abundant with Gear Contact, guarantee cuboid block and stable coordinating between gear.
Accompanying drawing explanation
Fig. 1 is that the utility model can the structural representation of stop valve embodiment of flow setting type;
Fig. 2 is that the utility model can the position-limit mechanism structural representation of rotating forward of stop valve embodiment of flow setting type;
Fig. 3 is that the utility model can the position-limit mechanism structural representation of reversion of stop valve embodiment of flow setting type.
Reference character: 1, valve body; 11, inlet passage; 12, outlet passage; 2, flap; 3, valve rod; 4, valve gap; 5, handwheel; 6, gear; 7, strut; 8, positioning rod; 81, cuboid block; 82, plane of inclination; 9, extension spring.
Embodiment
Referring to figs. 1 through Fig. 3, the utility model can the stop valve embodiment of flow setting type be described further.
Can the stop valve of flow setting type, comprise valve body 1, flap 2, valve rod 3, valve gap 4 and handwheel 5, described valve body 1 has inlet passage 11 and outlet passage 12, described valve body 1 is provided with the position-limit mechanism that restriction valve rod 3 rotates.
Described position-limit mechanism comprises gear 6, strut 7, positioning rod 8 and extension spring 9, described gear 6 is set on valve rod 3, described strut 7 is fixedly installed on valve body 1, one end and the strut 7 of described positioning rod 8 are hinged, the other end be provided with locating piece and with gear 6 clamping, one end of described extension spring 9 to be set on valve rod 3 and above gear 6, the other end and positioning rod 8 hinged.
In the present embodiment, the teeth groove of gear 6 is square.
Described locating piece is cuboid block 81, and the middle part of described cuboid block 81 is fixedly connected with positioning rod 8 is vertical, and the two ends of described cuboid block 81 are provided with plane of inclination 82, and described plane of inclination 82 is for the one-way rotation of limiting gear 6.
Described positioning rod 8 is vertical with valve rod 3 to be arranged.
Specific implementation process: in the present embodiment, with gear 6 clockwise direction of Figure of description 2 for safety check opening direction, when flap 2 opened by needs, by operator's rotation hand wheel 5, utilize the rotation of handwheel 5 actuate valve stem 3, valve rod 3 is made to move up and drive flap 2 to move up, thus be communicated with inlet passage 11 and outlet passage 12, when flap 2 is opened to certain position, it is also a certain amount of by the medium in valve body 1, can rotate clockwise by driven gear 6 in the process that valve rod 3 rotates, due to the setting of plane of inclination 82 arranged on cuboid block 81, in the process that gear 6 rotates, plane of inclination 82 can be pushed open by its gear teeth, thus interlock positioning rod 8 rotates to away from gear 6 direction around the place hinged with strut 7, because extension spring 9 connects positioning rod 8 with valve body 1(as shown in Figure of description 1), the power stretched is produced in the process that its extension spring 9 rotates at positioning rod 8, thus one end of inclination cuboid block 81 can be embedded timely when running into teeth groove, prevent operator when not rotating handwheel 5, by the gear teeth of cuboid block 81 gear 6 of can conflicting firmly of the one side of plane of inclination 82 dorsad, prevent the reversion of valve rod 3, thus play location valve rod 3, and then play the object that the position controlling flap 2 reaches control flow, when needs will be closed, only strut 7 need be dialed to the position as shown in Figure of description 3, gear 6 just can rotate counterclockwise easily, valve rod 3 is driven, and flap is 2-in-1 closes, thus throttle down, in like manner, under these circumstances, its valve rod 3 can not be reversed by gear 6 and engaging of cuboid block 81, ensures that flap 2 can not be opened.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. can the stop valve of flow setting type, comprise valve body, flap, valve rod, valve gap and handwheel, described valve body has inlet passage and outlet passage, it is characterized in that: described valve body is provided with the position-limit mechanism that restriction valve rod rotates.
2. according to claim 1 a kind of can the stop valve of flow setting type, it is characterized in that: described position-limit mechanism comprises gear, strut, positioning rod and extension spring, described geared sleeve is located on valve rod, described strut is fixedly installed on valve body, one end and the strut of described positioning rod are hinged, the other end be provided with locating piece and with gear clamping, one end of described extension spring to be set on valve rod and above gear, the other end and positioning rod hinged.
3. according to claim 2 a kind of can the stop valve of flow setting type, it is characterized in that: described locating piece is cuboid block, the middle part of described cuboid block is fixedly connected with positioning rod is vertical, and the two ends of described cuboid block are provided with plane of inclination, and described plane of inclination is used for the one-way rotation of limiting gear.
4. according to claim 2 a kind of can the stop valve of flow setting type, it is characterized in that: described positioning rod is vertical with valve rod to be arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520148766.4U CN204493752U (en) | 2015-03-17 | 2015-03-17 | A kind of can the stop valve of flow setting type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520148766.4U CN204493752U (en) | 2015-03-17 | 2015-03-17 | A kind of can the stop valve of flow setting type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204493752U true CN204493752U (en) | 2015-07-22 |
Family
ID=53573071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520148766.4U Expired - Fee Related CN204493752U (en) | 2015-03-17 | 2015-03-17 | A kind of can the stop valve of flow setting type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204493752U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805399A (en) * | 2016-05-18 | 2016-07-27 | 四川大学 | Valve opening and closing assisting device |
| CN107061750A (en) * | 2016-02-10 | 2017-08-18 | 艾默生过程管理调节技术塔尔萨有限公司 | The heat of torsionspring actuating moves valve |
-
2015
- 2015-03-17 CN CN201520148766.4U patent/CN204493752U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061750A (en) * | 2016-02-10 | 2017-08-18 | 艾默生过程管理调节技术塔尔萨有限公司 | The heat of torsionspring actuating moves valve |
| CN107061750B (en) * | 2016-02-10 | 2020-10-16 | 艾默生过程管理调节技术塔尔萨有限公司 | Torsion spring actuated thermal valve |
| US11085551B2 (en) | 2016-02-10 | 2021-08-10 | Emerson Process Management Regulator Technologies Tulsa, Llc | Torsional spring actuated thermal valve |
| CN105805399A (en) * | 2016-05-18 | 2016-07-27 | 四川大学 | Valve opening and closing assisting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204493752U (en) | A kind of can the stop valve of flow setting type | |
| CN203940020U (en) | A kind of high leak tightness flow control valve | |
| CN204985842U (en) | Two tee bend switching -over stop valves | |
| CN204493740U (en) | A kind of stop valve of Double-clack | |
| CN206017914U (en) | A kind of lift check valve with flow control function | |
| CN201363445Y (en) | Partial regulating ball valve | |
| CN206017880U (en) | A kind of Multifunctional stop valve | |
| CN204942608U (en) | Duplex handover security control valve unit | |
| CN209325072U (en) | A kind of modified wedge action valve | |
| CN205745354U (en) | Detachable water conservancy control valve capable of being recycled | |
| CN213419923U (en) | Double-clip butterfly valve convenient to maintain | |
| CN107917201A (en) | A kind of butterfly valve with self-lubricating function | |
| CN202972004U (en) | Double-blocking-up type fixed ball valve | |
| CN206368972U (en) | A kind of novel cutoff valve | |
| CN204784998U (en) | Promptly open and close gate valve | |
| CN206234455U (en) | Stop valve | |
| CN204756042U (en) | Throttle is by multi -functional water injection valve of non return | |
| CN205896217U (en) | Heavy -calibre hangs down moment of torsion bivalve lamella stop valve | |
| CN205956426U (en) | A valve | |
| CN201129541Y (en) | Non-return and cut-off integrated valve | |
| CN208634488U (en) | Hydraulic control device is used in a kind of closing of valve | |
| CN204756018U (en) | Multifunctional control valve | |
| CN218031709U (en) | Control valve head of central water purifier | |
| CN202834121U (en) | Novel energy-saving type butterfly valve | |
| CN205937905U (en) | Gate valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20170317 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |