CN103671997A - Pressure relief device - Google Patents
Pressure relief device Download PDFInfo
- Publication number
- CN103671997A CN103671997A CN201310753228.3A CN201310753228A CN103671997A CN 103671997 A CN103671997 A CN 103671997A CN 201310753228 A CN201310753228 A CN 201310753228A CN 103671997 A CN103671997 A CN 103671997A
- Authority
- CN
- China
- Prior art keywords
- pressure relief
- plate
- dividing plate
- partition plate
- present
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 10
- 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
- 238000005516 engineering process Methods 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
- 238000007789 sealing Methods 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K39/00—Devices for relieving the pressure on the sealing faces
- F16K39/04—Devices for relieving the pressure on the sealing faces for sliding valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention provides a pressure relief device, comprising: 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 invention adopts a special structure with a pressure equalizing function, and can realize the cutting off and opening of the clapboard under the working condition of large pressure difference.
Description
Technical field
The present invention 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.Yet 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 art designs people is based on research for many years and field experience and professional knowledge, in conjunction with actual service condition and structure technology demand, positive improvement and bring new ideas in addition, to realizing, a kind ofly can substitute existing dividing plate, realize the pressure relief device that under large pressure reduction operating mode, fluid cuts off and opens.
Summary of the invention
The object of this invention is to provide the specialized structure that a kind of employing has 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 present invention proposes a kind of pressure relief device, and 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 along described dividing plate movement direction, to move in described installation notch.
Compared with prior art, the present invention has following characteristics and advantage:
1, the present invention 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 present invention is simple in structure, opens and closes flexibly, easy for installation, has realized the function that fluid was cut off and opened to balance.
Accompanying drawing explanation
Accompanying drawing described here is only for task of explanation, and is not intended to limit by any way scope disclosed by the invention.In addition, the shape of each parts in figure and proportional sizes etc. are only schematically, for helping the understanding of the present invention, are not shape and the proportional sizes that specifically limits each parts of the present invention.Those skilled in the art, under instruction of the present invention, can select various possible shapes and proportional sizes to implement the present invention as the case may be.
Fig. 1 is the structural representation of pressure relief device of the present invention.
Description of reference numerals:
1-dividing plate; 2-pressure relief plate; 3-driving mechanism; 11-installs notch.
Embodiment
With the description of the specific embodiment of the invention, can more be well understood to details of the present invention by reference to the accompanying drawings.But the specific embodiment of the present invention described here,, for explaining object of the present invention, is only limitation of the present invention and can not be understood as by any way.Under instruction of the present invention, technician can conceive based on possible distortion arbitrarily of the present invention, and these all should be regarded as belonging to scope of the present invention.
Please refer to the structural representation that Fig. 1 is pressure relief device of the present invention.As shown in Figure 1, pressure relief device of the present invention, 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 present invention 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 notch 11 is installed, 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 on dividing plate that acts on; While 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 present invention can successively open by pressure relief plate 2 and dividing plate 1 under large pressure reduction operating mode, realizes flexible cut-out and the unlatching of fluid.In the present invention, driving mechanism 3 can adopt screw mechanism or other known drive units, and the present invention is not described in detail the concrete structure of driving mechanism 3.
The present invention in use, be take and the dividing plate that moves up and down is set in industrial fluids pipeline is described as example, in opening pressure relief device process, before promoting dividing plate, first opens pressure relief 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.When closing pressure relief device, first, driving mechanism 3 counterrotatings, drive pressure relief plate 2 thereupon descending, dividing plate 1 under the effect of deadweight with pressure relief plate 2 DL synchronizations, until dividing plate 1 resets, fluid is cut off, afterwards, pressure relief plate 2 continues to move down by 11 sealings of installation notch, realizes the thorough cut-out of fluid passage.
Pressure relief device of the present invention is 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 on dividing plate that acts on.
Detailed explanation for the respective embodiments described above, its object is only the present invention to make an explanation, so that can understand better the present invention, but, it is limitation of the present invention that these descriptions can not be construed to any reason, particularly, each feature of describing in different mode of executions is combination in any mutually also, 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 along described dividing plate movement direction, to move in described installation notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310753228.3A CN103671997A (en) | 2013-12-31 | 2013-12-31 | Pressure relief device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310753228.3A CN103671997A (en) | 2013-12-31 | 2013-12-31 | Pressure relief device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103671997A true CN103671997A (en) | 2014-03-26 |
Family
ID=50310405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310753228.3A Pending CN103671997A (en) | 2013-12-31 | 2013-12-31 | Pressure relief device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103671997A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4029294A (en) * | 1974-10-04 | 1977-06-14 | Mcevoy Oilfield Equipment Co. | High pressure valve |
| CN2072623U (en) * | 1990-06-09 | 1991-03-06 | 曲波 | Heavy calibre orifice valve |
| CN202171025U (en) * | 2011-08-19 | 2012-03-21 | 南通市电站阀门有限公司 | Gate valve with balanced type valve plate |
| CN203641545U (en) * | 2013-12-31 | 2014-06-11 | 北京京诚科林环保科技有限公司 | Pressure relief device |
-
2013
- 2013-12-31 CN CN201310753228.3A patent/CN103671997A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4029294A (en) * | 1974-10-04 | 1977-06-14 | Mcevoy Oilfield Equipment Co. | High pressure valve |
| CN2072623U (en) * | 1990-06-09 | 1991-03-06 | 曲波 | Heavy calibre orifice valve |
| CN202171025U (en) * | 2011-08-19 | 2012-03-21 | 南通市电站阀门有限公司 | Gate valve with balanced type valve plate |
| CN203641545U (en) * | 2013-12-31 | 2014-06-11 | 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 |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140326 |