CN206708473U - A kind of deadweight safety valve - Google Patents
A kind of deadweight safety valve Download PDFInfo
- Publication number
- CN206708473U CN206708473U CN201720555766.5U CN201720555766U CN206708473U CN 206708473 U CN206708473 U CN 206708473U CN 201720555766 U CN201720555766 U CN 201720555766U CN 206708473 U CN206708473 U CN 206708473U
- Authority
- CN
- China
- Prior art keywords
- piston
- bonnet
- safety valve
- layer
- hole
- 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 kind of deadweight safety valve,Including bonnet,The upper surface of the bonnet is welded with valve hole,The side in the valve hole is fixedly connected with relief hole,The lower surface of the relief hole is fixedly connected with catch bar,The bottom of the bonnet is connected with piston,One end of the piston is connected with pull lever,The lower surface of the pull lever is welded with diaphragm seal,The lower surface of the piston is fixedly connected with spring,Can body is connected with below the piston,The periphery of the spring is socketed with lubricating layer,The lower surface of the lubricating layer is connected with steel plate,The outer wall of the lubricating layer is socketed with heat-insulation layer,This deadweight safety valve is simple in construction,Part corrosion fatigue life is permanent,To the automatically controlling at any time of the pressure progress in system,Use manpower and material resources sparingly,And pressure is timely in regulator control system,Automatically,The system pressure caused by the complicated damage of itself is avoided to fix a breakdown,It it also avoid the destruction to system pipeline not in time of artificial regulatory.
Description
Technical field
Safety valve technical field is the utility model is related to, specially a kind of deadweight safety valve.
Background technology
Safety valve is that opening and closing element is in normally off under by external force effect, when the pressure medium rise in equipment or pipeline is super
When crossing setting, by outside system discharge medium prevent the pressure medium in pipeline or equipment from exceeding the particular usage valve of specified value
Door, the mode for being traditionally used for pressure in regulating system is manual adjustment and machine adjustments, and manual adjustment is for pressure in system
Regulation and control it is inaccurate not in time, it is impossible to the safety of protective conduit system, machine adjustments are complicated, easily influenceed to lead by weather etc.
Cause service life relatively low, pressure inside the tank can not be excluded when impaired in time, be hiding harm to pipe-line system, it is impossible to meet people
Demand.
The content of the invention
The purpose of this utility model is to provide a kind of deadweight safety valve, asked with solve to propose in above-mentioned background technology
Topic.
To achieve the above object, the utility model provides following technical scheme：A kind of deadweight safety valve, including bonnet, institute
The upper surface for stating bonnet is welded with valve hole, and the side in the valve hole is fixedly connected with relief hole, the following table of the relief hole
Face is fixedly connected with catch bar, and the bottom of the bonnet is connected with piston, and one end of the piston is connected with pull lever, the drawing
The lower surface of lever is welded with diaphragm seal, and the lower surface of the piston is fixedly connected with spring, is connected with below the piston
Can body, the periphery of the spring are socketed with lubricating layer, and the lower surface of the lubricating layer is connected with steel plate, the outer wall of the lubricating layer
Heat-insulation layer is socketed with, the lower surface of the steel plate is provided with hydraulic layer, and the center bottom of the hydraulic layer is connected with inflow pipe, institute
The outer wall for stating inflow pipe is socketed with air layer, and the bottom of the air layer is connected with connecting hole, the bottom welding of the connecting hole
There is inlet valve.
Preferably, the quantity of the steel plate is two, and hydraulic layer is arranged between steel plate.
Preferably, the spring is shaped as spiral shape, and the material of spring is aluminium alloy.
Preferably, the inwall of the piston clamping and bonnet, the size of the piston and bonnet matches, and the material of piston
Expect for stainless steel.
Preferably, the relief hole is shaped as cylindrical hole.
Preferably, the material of the bonnet is stainless steel, and the inwall of bonnet is connected in the upper surface of can body.
Compared with prior art, the beneficial effects of the utility model are：This deadweight safety valve is simple in construction, and part is corrosion-resistant
Life-span is permanent, by the excessive gas pressure in flow ipe, jacks up steel plate by spring when gas pressure is too high, Jin Erla
Lever controls the folding of relief hole with catch bar respectively, to the automatically controlling at any time of the pressure progress in system, saves manpower
Material resources, and pressure in time, automatically, avoids the system pressure caused by the complicated damage of itself and excluded in regulator control system
Failure, it also avoid the destruction to system pipeline not in time of artificial regulatory.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is overlooking the structure diagram of the present utility model.
In figure：1- relief holes；2- valves hole；3- bonnets；4- heat-insulation layers；5- inlet valves；6- catch bars；7- pull lever；8-
Piston；9- hydraulic layers；10- connecting holes；11- flows into pipe；12- air layers；13- steel plates；14- springs；15- lubricating layers；16- tanks
Body；17- diaphragm seals.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of deadweight safety valve, including bonnet 3, it is described
The upper surface of bonnet 3 is welded with valve hole 2, and the side in the valve hole 2 is fixedly connected with relief hole 1, under the relief hole 1
Surface is fixedly connected with catch bar 6, and the bottom of the bonnet 3 is connected with piston 8, and one end of the piston 8 is connected with pull lever
7, the lower surface of the pull lever 7 is welded with diaphragm seal 17, and the lower surface of the piston 8 is fixedly connected with spring 14, the work
The lower section of plug 8 is connected with can body 16, and the periphery of the spring 14 is socketed with lubricating layer 15, the lower surface clamping of the lubricating layer 15
There is steel plate 13, the outer wall of the lubricating layer 15 is socketed with heat-insulation layer 4, and the lower surface of the steel plate 13 is provided with hydraulic layer 9, described
The center bottom of hydraulic layer 9, which is connected with, flows into pipe 11, and the outer wall for flowing into pipe 11 is socketed with air layer 12, the air layer 12
Bottom be connected with connecting hole 10, the bottom of the connecting hole 10 is welded with inlet valve 5, and the liquid of safety valve can be effectively realized for this
Voltage-controlled system.
The quantity of the steel plate 13 is two, and hydraulic layer 9 is arranged between steel plate 13, and the spring 14 is shaped as spiral shell
Shape is revolved, and the material of spring 14 is the size of aluminium alloy, the clamping of piston 8 and the inwall of bonnet 3, the piston 8 and bonnet 3
Match, and the material of piston 8 is stainless steel, realizes piston movement, the relief hole 1 is shaped as cylindrical hole, the bonnet 3
Material be stainless steel, and the inwall of bonnet 3 is connected in the upper surface of can body 16.
Operation principle：Pipe 11 will be flowed into be connected with the pipeline of safety valve need to be installed, when pressure is excessive in system, pressure will
Pressure is transmitted on steel plate 13, is transmitted pressure to spring 14 by hydraulic layer 9, is reached spring 14 after coefficient of elasticity set in advance
Deformation is produced, therefore is moved with piston 8, the catch bar 6 that piston 8 is connected drives diaphragm seal 17 to be moved with pull lever 7,
By outside excess pressure removal system.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of deadweight safety valve, including bonnet（3）, it is characterised in that：The bonnet（3）Upper surface be welded with valve hole
（2）, the valve hole（2）Side be fixedly connected with relief hole（1）, the relief hole（1）Lower surface be fixedly connected with and push away
Lever（6）, the bonnet（3）Bottom be connected with piston（8）, the piston（8）One end be connected with pull lever（7）, it is described
Pull lever（7）Lower surface be welded with diaphragm seal（17）, the piston（8）Lower surface be fixedly connected with spring（14）, it is described
Piston（8）Lower section be connected with can body（16）, the spring（14）Periphery be socketed with lubricating layer（15）, the lubricating layer（15）
Lower surface be connected with steel plate（13）, the lubricating layer（15）Outer wall be socketed with heat-insulation layer（4）, the steel plate（13）Following table
Face is provided with hydraulic layer（9）, the hydraulic layer（9）Center bottom be connected with inflow pipe（11）, it is described to flow into pipe（11）It is outer
Wall is socketed with air layer（12）, the air layer（12）Bottom be connected with connecting hole（10）, the connecting hole（10）Bottom
It is welded with inlet valve（5）.
A kind of 2. deadweight safety valve according to claim 1, it is characterised in that：The steel plate（13）Quantity be two,
And hydraulic layer（9）It is arranged at steel plate（13）Between.
A kind of 3. deadweight safety valve according to claim 1, it is characterised in that：The spring（14）Be shaped as spiral
Shape, and spring（14）Material be aluminium alloy.
A kind of 4. deadweight safety valve according to claim 1, it is characterised in that：The piston（8）Clamping and bonnet（3）'s
Inwall, the piston（8）With bonnet（3）Size match, and piston（8）Material be stainless steel.
A kind of 5. deadweight safety valve according to claim 1, it is characterised in that：The relief hole（1）Be shaped as cylindricality
Hole.
A kind of 6. deadweight safety valve according to claim 1, it is characterised in that：The bonnet（3）Be shaped as hemisphere,
The bonnet（3）Material be stainless steel, and bonnet（3）Inwall be connected in can body（16）Upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720555766.5U CN206708473U (en) | 2017-05-18 | 2017-05-18 | A kind of deadweight safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720555766.5U CN206708473U (en) | 2017-05-18 | 2017-05-18 | A kind of deadweight safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206708473U true CN206708473U (en) | 2017-12-05 |
Family
ID=60464798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720555766.5U Expired - Fee Related CN206708473U (en) | 2017-05-18 | 2017-05-18 | A kind of deadweight safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206708473U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979365A (en) * | 2017-05-18 | 2017-07-25 | 盐城欧润石化设备制造有限公司 | A kind of deadweight safety valve |
-
2017
- 2017-05-18 CN CN201720555766.5U patent/CN206708473U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979365A (en) * | 2017-05-18 | 2017-07-25 | 盐城欧润石化设备制造有限公司 | A kind of deadweight safety valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 Termination date: 20200518 |