CN206539746U - A kind of spring loaded safe valve of energy sediment prevention intrusion - Google Patents
A kind of spring loaded safe valve of energy sediment prevention intrusion Download PDFInfo
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- CN206539746U CN206539746U CN201720257399.0U CN201720257399U CN206539746U CN 206539746 U CN206539746 U CN 206539746U CN 201720257399 U CN201720257399 U CN 201720257399U CN 206539746 U CN206539746 U CN 206539746U
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Abstract
The utility model discloses a kind of spring loaded safe valve of energy sediment prevention intrusion, include valve body, valve body is provided centrally with air inlet, the upper end of air inlet is formed with valve port, valve element is provided with valve body, the lower surface of valve element is engaged with the valve port, the top of valve body, which is equipped with one, can adjust the adjusting rod of axial location, spring is provided between the adjusting rod and the valve element, adjusting rod is provided centrally with gas outlet, the upper end of adjusting rod is provided with dust cap, the opening being made up of 4 opening sheets is set on dust cap, opening closes to form a sealing plane when being in safety valve.The utility model has the advantage of：It is simple in construction, compact, by the setting of dust cap, so as to be prevented effectively from inside the silt in external world intrusion safety valve, it is ensured that safety valve can be chronically at effective status, improve the service life of safety valve, it is ensured that the safe operation of equipment.
Description
Technical field
The utility model is related to safety valve manufacturing technology field, especially a kind of direct load of spring of energy sediment prevention intrusion
Formula safety valve.
Background technology
Safety valve is that opening and closing element is lower in normally off 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.Safety valve belongs to automatic valve class, is mainly used in boiler, on pressure vessels and pipes, and control pressure is no more than setting, to people
Body safety and equipment have run important protective effect.
Just because of the special working condition of safety valve, when equipment is normally run, safety valve will not be opened, because
This, safety valve may be chronically at the state being not used, and when equipment pressure exceedes limit value, safety valve then serve to
Close important protective effect.In order to ensure safety valve can normal work, it is necessary to regularly checked safety valve, checking
In often understand some safety valves due to for a long time without using and fail or due to external substance enter safety valve in and cause safety valve
Can not normally it use, the failure of safety valve can influence the security that equipment is run.
The content of the invention
Technical problem to be solved in the utility model be for prior art present situation there is provided simple in construction, compact, make
With long lifespan, a kind of spring loaded safe valve of energy sediment prevention intrusion of release pressure can be adjusted.
The utility model solve the technical scheme that is used of above-mentioned technical problem for：
It is a kind of can sediment prevention intrusion spring loaded safe valve, include valve body, valve body be provided centrally with into
Gas port, the upper end of air inlet, which is formed with valve port, valve body, is provided with valve element, and the lower surface of valve element is engaged with the valve port, valve
The top of body, which is equipped with one, can adjust the adjusting rod of axial location, and spring is provided between the adjusting rod and the valve element, adjust
Pole is provided centrally with gas outlet, and the upper end of adjusting rod is provided with sets what is be made up of 4 opening sheets on dust cap, dust cap
Opening, opening closes to form a sealing plane when being in safety valve.
The technical measures of optimization also include：
The lower end of above-mentioned dust cap, which is extended radially inwardly, is formed with rib, and the upper periphery of adjusting rod offers neck,
Rib is embedded in the neck.
Above-mentioned adjusting rod is connected with the valve body screw thread.
A nut is provided with the middle part of above-mentioned adjusting rod, the upper surface of the lower surface of the nut and the valve body is affixed.
The bottom of above-mentioned valve element is equipped with sealing gasket, and the lower surface of the sealing gasket coordinates with the sealing valve port.
The top of above-mentioned valve element is convexly equipped with spring base, and the lower end of spring is placed on outside the spring base；The lower end of adjusting rod is set
A cavity is equipped with, the upper end of spring is placed in the cavity.
The utility model it is a kind of can sediment prevention intrusion spring loaded safe valve, it is simple in construction, compact, by
The upper end of adjusting rod is provided with the opening for setting and being made up of 4 opening sheets on dust cap, dust cap, and opening is closed when being in safety valve
Close and form a sealing plane, so as to be prevented effectively from inside the silt in external world intrusion safety valve, it is ensured that safety valve can be chronically at
Effective status, improves the service life of safety valve, it is ensured that the safe operation of equipment；And during safety valve opening, opening sheet is outside
Turn over so that at the opening of dust cap open, do not interfere with the pressure release of safety valve.
In addition, adjusting rod is assembled with valve body, by the adjustment to adjusting rod axial location, so as to reach by adjusting bullet
Spring precompression carrys out the purpose of regulation safety valve release pressure.
Brief description of the drawings
Fig. 1 is the three-dimensional structure diagram of the utility model safety valve；
Cross section structure diagram when Fig. 2 is the utility model safe valve closed mode；
Cross section structure diagram when Fig. 3 is the utility model safety valve opening.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
It is structural representation of the present utility model as shown in Figure 1 to Figure 3,
Reference therein is：Valve body 1, valve port 1a, air inlet 11, valve element 2, spring base 21, adjusting rod 3, gas outlet
31st, neck 32, cavity 33, spring 4, dust cap 5, opening sheet 51, rib 52, nut 6, sealing gasket 7.
As shown in Figure 1 to Figure 3,
It is a kind of can sediment prevention intrusion spring loaded safe valve, include valve body 1, valve body 1 is provided centrally with
Air inlet 11, the upper end of air inlet 11, which is formed with valve port 1a, valve body 1, is provided with valve element 2, the lower surface of valve element 2 and the valve
Mouth 1a is engaged, and the top of valve body 1, which is equipped with one, can adjust the adjusting rod 3 of axial location, the adjusting rod 3 and the valve element 2
Between be provided with spring 4, adjusting rod 3 is provided centrally with gas outlet 31, and the upper end of adjusting rod 3 is provided with dust cap 5, dust cap
The opening being made up of 4 opening sheets 51 is set on 5, and opening closes to form a sealing plane when being in safety valve.
In embodiment, the lower end of dust cap 5, which is extended radially inwardly, is formed with rib 52, and the upper periphery of adjusting rod 3 is opened up
There is neck 32, rib 52 is embedded in the neck 32.
Dust cap 5 is made of elastomeric material makes dust cap 5 have certain elasticity, during assembling, the rib 52 of its lower end
Can easily it buckle into neck 32.
In embodiment, adjusting rod 3 is threadedly coupled with the valve body 1.
In embodiment, the middle part of adjusting rod 3 is provided with a nut 6, the upper table of the lower surface of the nut 6 and the valve body 1
Face is affixed.
Length that the adjustment of the axial location of adjusting rod 3 is threaded into is adjusted, simple in construction, easy to adjust；Set
Nut 6 can prevent the loosening of adjusting rod 3 and influence the setting pressure of safety valve.
In embodiment, the bottom of valve element 2 is equipped with sealing gasket 7, and the lower surface of the sealing gasket 7 is matched somebody with somebody with valve port 1a sealings
Close.
Set sealing gasket 7 to ensure that the sealing between valve element 2 and valve port 1a, one layer is coated in the lower surface of sealing gasket 7
Molybdenum disulfide powder, can prevent safety valve sealing gasket 7 and valve port 1a in the case where not opening for a long time from occurring sticky.
In embodiment, the top of valve element 2 is convexly equipped with spring base 21, and the lower end of spring 4 is placed on outside the spring base 21；Adjusting rod
3 lower end is provided with a cavity 33, and the upper end of spring 4 is placed in the cavity 33.
The setting of spring base 21 and cavity 33, can not only play position-limiting action, make the easier for installation of spring 4,
Make the structure of whole safety valve more compact.
Operation principle：
External screw thread is offered on the outer wall of valve body 1, safety valve is loaded on required position using the external screw thread.When entering air inlet
When the gas pressure of mouth 11 is less than the pressure of spring 4, valve element 2 is pressed on valve port 1a and forms sealing, and safety valve is closed；This
When, 4 opening sheets 51 at the opening of dust cap 5 close and form a sealing plane, so that the impurity for avoiding the external world enters peace
The normal of safety valve is influenceed to use in full valve.
When equipment pressure is higher than setting pressure, the gas pressure into air inlet 11 will be greater than the pressure of spring 4, so that
Overcome the elastic force of spring 4, valve element 2 is pushed up, depart from valve element 2 and valve port 1a, so that safety valve is opened；Safety valve is opened
Open, the gas outlet 31 that the gas of air inlet 11 just enters in adjusting rod 3, and make to prevent by the opening sheet 51 on dust cap 5 is turned-out
Opened at the opening of dirt cap 5, reach the purpose of pressure release and ensure the safety of equipment.
Most preferred embodiment of the present utility model has been illustrated, the various change or remodeling made by those of ordinary skill in the art
All without departing from scope of the present utility model.
Claims (6)
1. a kind of spring loaded safe valve of energy sediment prevention intrusion, includes in valve body (1), described valve body (1)
The heart is provided with air inlet (11), it is characterized in that：The upper end of described air inlet (11) is formed with valve port (1a), described valve body
(1) valve element (2) is provided with, the lower surface of described valve element (2) is engaged with the valve port (1a), described valve body (1)
Top, which is equipped with one, can adjust the adjusting rod (3) of axial location, and bullet is provided between the adjusting rod (3) and the valve element (2)
Spring (4), described adjusting rod (3) is provided centrally with gas outlet (31), and the upper end of described adjusting rod (3) is provided with dust cap
(5) opening being made up of 4 opening sheets (51), is set on described dust cap (5), and opening closes to form one when being in safety valve
Sealing plane.
2. a kind of spring loaded safe valve of energy sediment prevention intrusion according to claim 1, it is characterized in that：It is described
The lower end of dust cap (5) extend radially inwardly and be formed with rib (52), the upper periphery of described adjusting rod (3) offers card
In groove (32), the embedded neck (32) of described rib (52).
3. a kind of spring loaded safe valve of energy sediment prevention intrusion according to claim 2, it is characterized in that：It is described
Adjusting rod (3) be threadedly coupled with the valve body (1).
4. a kind of spring loaded safe valve of energy sediment prevention intrusion according to claim 3, it is characterized in that：It is described
Adjusting rod (3) in the middle part of be provided with a nut (6), the upper surface of the lower surface and the valve body (1) of the nut (6) is affixed.
5. a kind of spring loaded safe valve of energy sediment prevention intrusion according to claim 4, it is characterized in that：It is described
The bottom of valve element (2) be equipped with sealing gasket (7), the lower surface of the sealing gasket (7) is sealed with the valve port (1a) to be coordinated.
6. a kind of spring loaded safe valve of energy sediment prevention intrusion according to claim 5, it is characterized in that：It is described
The top of valve element (2) be convexly equipped with spring base (21), the lower end of described spring (4) is placed on the spring base (21) outside；Described
The lower end of adjusting rod (3) is provided with a cavity (33), and the upper end of described spring (4) is placed in the cavity (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720257399.0U CN206539746U (en) | 2017-03-16 | 2017-03-16 | A kind of spring loaded safe valve of energy sediment prevention intrusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720257399.0U CN206539746U (en) | 2017-03-16 | 2017-03-16 | A kind of spring loaded safe valve of energy sediment prevention intrusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206539746U true CN206539746U (en) | 2017-10-03 |
Family
ID=59942817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720257399.0U Active CN206539746U (en) | 2017-03-16 | 2017-03-16 | A kind of spring loaded safe valve of energy sediment prevention intrusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206539746U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943989A (en) * | 2021-03-18 | 2021-06-11 | 国网河南省电力公司南阳供电公司 | Dustproof cap, SF6 circuit breaker |
| CN114540560A (en) * | 2021-12-21 | 2022-05-27 | 内蒙古高等级公路建设开发有限责任公司 | Steel slag environment-friendly treatment device |
-
2017
- 2017-03-16 CN CN201720257399.0U patent/CN206539746U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943989A (en) * | 2021-03-18 | 2021-06-11 | 国网河南省电力公司南阳供电公司 | Dustproof cap, SF6 circuit breaker |
| CN114540560A (en) * | 2021-12-21 | 2022-05-27 | 内蒙古高等级公路建设开发有限责任公司 | Steel slag environment-friendly treatment device |
| CN114540560B (en) * | 2021-12-21 | 2022-12-30 | 内蒙古高速公路集团有限责任公司 | Steel slag environment-friendly treatment device |
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