CN203641545U - Pressure relief device - Google Patents
Pressure relief device Download PDFInfo
- Publication number
- CN203641545U CN203641545U CN201320891920.8U CN201320891920U CN203641545U CN 203641545 U CN203641545 U CN 203641545U CN 201320891920 U CN201320891920 U CN 201320891920U CN 203641545 U CN203641545 U CN 203641545U
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- CN
- China
- Prior art keywords
- pressure relief
- plate
- dividing plate
- model
- utility
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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
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 11
- 238000005192 partition Methods 0.000 abstract description 10
- 239000012530 fluid Substances 0.000 description 12
- 230000009467 reduction Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
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Abstract
The utility model provides a pressure relief device, pressure relief device includes: the movable partition plate is provided with an installation notch along the moving direction of the partition plate; the pressure relief plate can be movably arranged in the mounting groove opening along the moving direction of the partition plate; and the driving mechanism is connected with the pressure relief plate and drives the pressure relief plate to move in the mounting groove opening along the movement direction of the partition plate. Before lifting the partition plate, the pressure relief plate is opened, and then the partition plate is opened. On the contrary, when the partition plate is closed, the partition plate is closed firstly, and then the pressure relief plate is closed. The utility model discloses a special structure with voltage-sharing function can realize that the baffle cuts off and opens under big pressure differential operating mode.
Description
Technical field
The utility model relates to a kind of pressure relief device, the pressure relief device that particularly a kind of large pressure reduction industrial fluids pipe-line system is used.
Background technique
In many industrial fluids pipe-line systems, isolation mounting need to be set.But before and after isolation mounting, pressure reduction is larger, is not easy to the keying of dividing plate, so be urgently further improved.
Because above-mentioned existing isolation mounting is large at opening and closing process central diaphragm both sides pressure reduction, open and close difficult shortcoming, this Technology design people is based on research for many years and field experience and professional knowledge, in conjunction with actual service condition and structure technology demand, actively improvement and bring new ideas in addition, can substitute existing dividing plate to realizing one, realize the pressure relief device that under large pressure reduction operating mode, fluid cuts off and opens.
Model utility content
The purpose of this utility model is to provide a kind of employing and has the specialized structure of uniform voltage function, can realize the pressure relief device that dividing plate cuts off and opens and closes under large pressure reduction operating mode.
For achieving the above object, the utility model proposes a kind of pressure relief device, described pressure relief device comprises: mobile dividing plate offers installation notch along dividing plate movement direction on described dividing plate; Pressure relief plate, that can move along described dividing plate movement direction is arranged in described installation notch; Driving mechanism, is connected with described pressure relief plate, and described driving mechanism drives described pressure relief plate to move along described dividing plate movement direction in described installation notch.
Compared with prior art, the utlity model has following characteristics and advantage:
1, the utility model moves along partition movement direction by pressure relief plate, opens pressure relief opening, and the pressure of dividing plate both sides is tended to balance, and prevents that pressure reduction is excessive, realizes uniform voltage function, reduces the blind plate power on dividing plate, meets process requirements.
2, the utility model is simple in structure, opens and closes flexibly, easy for installation, has realized the function that fluid was cut off and opened to balance.
Brief description of the drawings
Accompanying drawing described here is only for task of explanation, and is not intended to limit by any way the utility model scope of disclosure.In addition, shape and the proportional sizes etc. of the each parts in figure is only schematically, for helping understanding of the present utility model, is not shape and the proportional sizes that specifically limits the each parts of the utility model.Those skilled in the art, under instruction of the present utility model, can select various possible shapes and proportional sizes to implement the utility model as the case may be.
Fig. 1 is the structural representation of the utility model pressure relief device.
Description of reference numerals:
1-dividing plate; 2-pressure relief plate; 3-driving mechanism; 11-installs notch.
Embodiment
With the description of the utility model embodiment, can more be well understood to details of the present utility model by reference to the accompanying drawings.But embodiment of the present utility model described here,, for explaining the purpose of this utility model, is only to restriction of the present utility model and can not be understood as by any way.Under instruction of the present utility model, technician can conceive based on possible distortion arbitrarily of the present utility model, and these all should be regarded as belonging to scope of the present utility model.
Please refer to the structural representation that Fig. 1 is the utility model pressure relief device.As shown in Figure 1, the utility model pressure relief device, for the keying of fluid passage, this pressure relief device comprises dividing plate 1, pressure relief plate 2 and driving mechanism 3, and dividing plate 1 can move under external force drives, in the present embodiment, dividing plate 1 is yo-yo fashion, but the utility model is also not limited to move up and down, can also be according to actual conditions needs, move left and right or move forward and backward or other move mode, to realize keying.The installation notch 11 offering along partition movement direction on dividing plate 1, pressure relief plate 2 is installed on to be installed in notch 11, pressure relief plate 2 matches with the side frame that notch 11 is installed, between the lower edge of the upper limb of pressure relief plate 2 and dividing plate 1 upper sid strip, there is certain spacing, pressure relief plate 2 can be moved up and down along the side frame that notch 11 is installed.Driving mechanism 3 is arranged at dividing plate 1 top, and be connected with pressure relief plate 2, driving mechanism 3 drives pressure relief plate 2 to move up and down in installation notch 11, on pressure relief plate 2, move, make pressure relief plate 2 bottoms and install between notch 11 to form pressure relief opening, a part of high-pressure liquid flows to low voltage side through pressure relief opening, the pressure of dividing plate 1 both sides is tended to balance, excessive to prevent pressure reduction, realize uniform voltage function, reduce the blind plate power acting on dividing plate; In the time moving to the lower edge of dividing plate 1 upper sid strip on pressure relief plate 1, driving mechanism 3 drives pressure relief plate 2 and dividing plate 1 to move synchronously, and start-stop device is opened, and fluid passage connects.The utility model can, under large pressure reduction operating mode, successively be opened by pressure relief plate 2 and dividing plate 1, realizes flexible cut-out and the unlatching of fluid.In the utility model, driving mechanism 3 can adopt screw mechanism or other known drive units, and the utility model is not described in detail the concrete structure of driving mechanism 3.
The utility model in use, describes as example so that the dividing plate that moves up and down to be set in industrial fluids pipeline, when opening in pressure relief device process, first opens pressure relief plate promoting before dividing plate, after open dividing plate.Otherwise, while closing dividing plate, first close dividing plate, after close pressure relief plate.Specifically, first, driving mechanism 3 drives pressure relief plate 2 up, thereby pressure relief plate 2 is opened, part fluid is through pressure relief plate 2 bottoms and the pressure relief opening pressure release forming between notch 11 is installed, the pressure of dividing plate 1 both sides is tended to balance, to reduce the rising resistance of dividing plate 1, be beneficial to the lifting of dividing plate 1; Next, on pressure relief plate 2, move and join with dividing plate 1, on pressure relief plate 2 continues, moving, driving on dividing plate 1 and move, dividing plate 1 is opened gradually, realizing fluid passage and open completely.In the time closing pressure relief device, first, driving mechanism 3 counterrotatings, drive pressure relief plate 2 thereupon descending, dividing plate 1 deadweight effect under with pressure relief plate 2 DL synchronizations, until dividing plate 1 reset by fluid cut off, afterwards, pressure relief plate 2 continues to move down installation notch 11 is sealed, and realizes the thorough cut-out of fluid passage.
The utility model pressure relief device, compared with traditional push-pull valve, adopts two dividing plate (dividing plate and pressure relief plate) structures, realizes uniform voltage function, reduces the blind plate power acting on dividing plate.
For the detailed explanation of the respective embodiments described above, its object is only the utility model to make an explanation, so that can understand better the utility model, but, it is to restriction of the present utility model that these descriptions can not be construed to any reason, particularly, also combination in any mutually of each feature of describing in different mode of executions, thereby form other mode of executions, except there being clearly contrary description, these features should be understood to can be applied in any one mode of execution, and are also not only confined to described mode of execution.
Claims (1)
1. a pressure relief device, is characterized in that, described pressure relief device comprises:
Mobile dividing plate offers installation notch along dividing plate movement direction on described dividing plate;
Pressure relief plate, that can move along described dividing plate movement direction is arranged in described installation notch;
Driving mechanism, is connected with described pressure relief plate, and described driving mechanism drives described pressure relief plate to move along described dividing plate movement direction in described installation notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320891920.8U CN203641545U (en) | 2013-12-31 | 2013-12-31 | Pressure relief device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320891920.8U CN203641545U (en) | 2013-12-31 | 2013-12-31 | Pressure relief device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203641545U true CN203641545U (en) | 2014-06-11 |
Family
ID=50872790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320891920.8U Expired - Lifetime CN203641545U (en) | 2013-12-31 | 2013-12-31 | Pressure relief device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203641545U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671997A (en) * | 2013-12-31 | 2014-03-26 | 北京京诚科林环保科技有限公司 | Pressure relief device |
-
2013
- 2013-12-31 CN CN201320891920.8U patent/CN203641545U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671997A (en) * | 2013-12-31 | 2014-03-26 | 北京京诚科林环保科技有限公司 | Pressure relief device |
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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: 20140611 |
|
| CX01 | Expiry of patent term |