CN2434496Y - Three lead screw type pipeline blankoff flange valve - Google Patents
Three lead screw type pipeline blankoff flange valve Download PDFInfo
- Publication number
- CN2434496Y CN2434496Y CN 00234610 CN00234610U CN2434496Y CN 2434496 Y CN2434496 Y CN 2434496Y CN 00234610 CN00234610 CN 00234610 CN 00234610 U CN00234610 U CN 00234610U CN 2434496 Y CN2434496 Y CN 2434496Y
- Authority
- CN
- China
- Prior art keywords
- blind plate
- lead screw
- screw type
- utility
- type pipeline
- 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
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Abstract
The utility model discloses a three lead screw type pipeline blind plate valve which is mainly used in a device and a pipeline of a petrochemical industry. Two purpose-made triangular flanges are used as a valve body. An 8-shaped blind plate is used as a switching element. Three lead screws and a nut mechanism are used as a driving and locking mechanism. The utility model has the advantages of convenient operation, high switching speed, reliable sealing performance, and low labor intensity. The utility model can be operated by one person. The utility model changes the straggling operating mode of switching technology of an existing blind plate.
Description
The utility model belongs to the pipe valve technical field, and what relate generally to is a kind of three lead screw type pipeline blank-plate valve.
In the device and pipeline of petroleum chemical industry, because the needs of operating procedure, or, use blind plate in the place that often need end for a long time, because can not guaranteeing not take place, the valve of other type corrodes the leakage that causes.Existing blind plate has two kinds, and a kind of is circular blind plate, is a circular solids metal; Another kind is a figure of eight blind plate, its outer appearance 8 words, and the one end has through hole, and the other end is a blind plate.They are placed in a pair of flange.In operation, blind off a line, unclamp the flange bolt in one week earlier, pry open flange again, then blind plate is placed between two flanges, tight a bolt again, realize ending of pipeline thus as need.Equally, make pipeline unimpeded, also will unclamp bolt earlier, pry open flange again, remove blind plate then, tight a bolt again, realize that pipeline is unimpeded as need.The subject matter that the aforesaid operations method exists has: the one, and the operation effort, and need many people coordinating operation, working efficiency is lower; The 2nd, blind plate is long switching time, can make medium leakage in the pipe, causes potential safety hazard.
The purpose of this utility model promptly produces thus, proposes a kind of three lead screw type pipeline blank-plate valve.Use this blank-plate valve can not only keep long-term no failure operation, and the blind plate easy switching is quick, simple to operate, be convenient to observe.
For achieving the above object, the utility model is achieved through the following technical solutions: it mainly is made up of two flanges triangular in shape, blind plate and three double helix leading screws, two flanges are symmetrical arranged, and make in opposite directions three double helix leading screw fixed connections of (or relatively) motion for whole by making two flanges; Blind plate is arranged between two flanges.
The utility model design concept novelty, because it adopts leading screw-nut body to make transmission and fastening device, therefore, it is quick to have the convenience of unlatching, reliable lock, switching blind plate, and can change the mode of operation that existing blind plate handoff technique falls behind by the advantage of one man operation.Because the valve body of three lead screw type pipeline blank-plate valve and the sealing of figure-eight blank are static sealings, therefore have sealing reliably, can guarantee long-term leak free work.Because gasket seal is assemblied on the figure-eight blank, so can the online replacing of carrying out pad.
The utility model accompanying drawing is a structural representation.
In conjunction with the accompanying drawings, it is as follows to provide embodiment of the present utility model:
As shown in the figure: present embodiment mainly is made up of left triangle flange 1, " 8 " word blind plate 2, right triangle flange 3, three double helix leading screws 4 and gasket seal 5.Left triangle flange 1 is symmetrical arranged with right triangle flange 3, triangle part at left triangle flange 1 is respectively arranged with left-handed nut, corresponding position at right triangle flange 3 and left triangle flange 1 is provided with the right-handed nut, and they link together by three double helix leading screws 4." 8 " word blind plate 2 is arranged between left and right flanges, and its middle part is porose, and double helix leading screw 4 can pass through and supporting " 8 " word blind plate 2.Gasket seal 5 is assemblied in the groove of " 8 " word blind plate.During operation, clockwise rotate double helix leading screw 4 successively, left triangle flange 1 and right triangle flange 3 will be made move toward one another, and their convex surface will be pressed into the concave surface of " 8 " word blind plate 2, because leading screw-nut body has self-locking performance, so its sealability is very reliable.When needs carry out the blind plate switching, rotate counterclockwise double helix leading screw 4 successively, left triangle flange 1 and right triangle flange 3 will be done relative movement, left and right sides triangle flange is opened, carry " 8 " word blind plate 2 gently,, all can realize the conversion of " 8 " word blind plate 2 to either party rotation.After converting, clockwise rotate double helix leading screw 4 more successively, " 8 " word blind plate 2 promptly is locked between the left and right triangle flange.
Claims (3)
1, a kind of three lead screw type pipeline blank-plate valve, comprise two symmetrically arranged flanges (1) (3) and be arranged on blind plate (2) between two flanges, it is characterized in that: described flange (1) (3) is a triangle, by making this two flange make in opposite directions three double helix leading screws (4) fixed connection of (or relatively) motion for whole.
2, three lead screw type pipeline blank-plate valve according to claim 1, it is characterized in that: described blind plate (2) is " 8 " word blind plate, its middle part is porose, also can be changed between two flanges (1) (3) along it by screw (4) supporting.
3, three lead screw type pipeline blank-plate valve according to claim 2 is characterized in that: be provided with gasket seal (5) in the groove of described " 8 " word blind plates (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00234610 CN2434496Y (en) | 2000-05-12 | 2000-05-12 | Three lead screw type pipeline blankoff flange valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00234610 CN2434496Y (en) | 2000-05-12 | 2000-05-12 | Three lead screw type pipeline blankoff flange valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2434496Y true CN2434496Y (en) | 2001-06-13 |
Family
ID=33596665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00234610 Expired - Fee Related CN2434496Y (en) | 2000-05-12 | 2000-05-12 | Three lead screw type pipeline blankoff flange valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2434496Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003768A (en) * | 2015-06-29 | 2015-10-28 | 上海外高桥造船有限公司 | Duplex blind plate flange |
| CN107420568A (en) * | 2017-09-01 | 2017-12-01 | 浙江威腾阀门有限公司 | A kind of glasses valve |
| CN109519647A (en) * | 2017-09-20 | 2019-03-26 | 沈阳铝镁设计研究院有限公司 | A kind of 8 word blind plates |
-
2000
- 2000-05-12 CN CN 00234610 patent/CN2434496Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003768A (en) * | 2015-06-29 | 2015-10-28 | 上海外高桥造船有限公司 | Duplex blind plate flange |
| CN107420568A (en) * | 2017-09-01 | 2017-12-01 | 浙江威腾阀门有限公司 | A kind of glasses valve |
| CN107420568B (en) * | 2017-09-01 | 2023-07-28 | 浙江威腾阀门有限公司 | Glasses valve |
| CN109519647A (en) * | 2017-09-20 | 2019-03-26 | 沈阳铝镁设计研究院有限公司 | A kind of 8 word blind plates |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |