CN209705298U - A kind of surge reliever - Google Patents
A kind of surge reliever Download PDFInfo
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- CN209705298U CN209705298U CN201822232315.5U CN201822232315U CN209705298U CN 209705298 U CN209705298 U CN 209705298U CN 201822232315 U CN201822232315 U CN 201822232315U CN 209705298 U CN209705298 U CN 209705298U
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- valve seat
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Abstract
The utility model discloses a kind of surge relievers, comprising: the first cavity and the second cavity is arranged inside in valve body, and inlet is offered on the first cavity, offers liquid outlet on the second cavity；Valve seat is fixed at the valve inner, and liquid-passing hole is offered on the side wall of valve seat, and liquid-passing hole is connected to the second cavity；Cylinder body, is fixed at the upper end of the valve seat and the cylinder body is connect with the valve seal；Piston is arranged in the valve inner and can move up and down along the axial direction of the valve body, and side wall and the inboard wall of cylinder block of piston are equipped with, and bottom and the valve seat of piston are equipped with；When the piston is moving up, liquid-passing hole is connected to the first cavity, and the valve of relief valve is opened；When the piston is moving down, liquid-passing hole is covered by piston, and the valve of relief valve is closed；Exhaust pipe is used for suction and discharge when piston motion.Its scope of application is wider, high pressure resistant, simple and compact for structure, convenient and practical.
Description
Technical field
The utility model relates to valve design fields, and in particular to a kind of surge reliever.
Background technique
General water attack release valve is diaphragm type, the use of temperature is 0~60 DEG C.It uses pressure, for heavy caliber: making
It is greater than 1.0MPa with pressure；For small-bore, pressure-bearing also only has 2.5MPa.It is long with the continuous improvement of domestic hydrotechnics
Distance, high pressure, temperature resistant range are wide, and some working environments already exceed 100 DEG C, and surge reliever originally cannot fit
With.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of surge relievers, and the scope of application is wider, high pressure resistant,
It is simple and compact for structure, it is convenient and practical.
In order to solve the above-mentioned technical problem, the utility model provides a kind of surge reliever, comprising:
Valve body is hollow structure, and the first cavity and the second cavity are provided in the valve body, is opened on first cavity
Equipped with inlet, liquid outlet is offered on second cavity；
Valve seat is fixed at the valve inner, and liquid-passing hole, the liquid-passing hole are offered on the side wall of the valve seat
It is connected to the second cavity；
Cylinder body, is fixed at the upper end of the valve seat and the cylinder body is connect with the valve seal；
Piston is arranged in the valve inner and can move up and down along the axial direction of the valve body, the side of the piston
The upper end of wall is equipped with by multiple first sealing rings with inboard wall of cylinder block, and bottom and the valve seat of the piston are equipped with；When
When the piston upwards, the liquid-passing hole is connected to the first cavity, and the valve of the relief valve is opened；When the piston to
When lower movement, the liquid-passing hole is covered by the piston, and the valve of the relief valve is closed；
Exhaust pipe is used for suction and discharge when piston motion, and exhaust outlet is offered on the cylinder body, and the exhaust outlet, which is located at, lives
At the lateral wall of plug and inboard wall of cylinder block cooperation, one end of the exhaust pipe and the external of valve body are connected to, the exhaust pipe it is another
End is connected to exhaust outlet.
Preferably, being provided with opening up groove body in the piston, the inner cavity of the groove body and cylinder body cooperates shape
At pressure regulating cavity.
Preferably, further including valve deck, the valve deck is located at the upside of the valve body, offers on the valve deck logical
Hole, the through-hole are connected to pressure regulating cavity.
Preferably, the radial cross-section of the upper piston area is 1.6-3 times of the radial cross-section of piston lower portion.
Preferably, the piston is connect with opening degree indicating mechanism.
Preferably, the junction of the valve seat and valve body is provided with the second sealing ring.
Preferably, the piston base is provided with gasket, the gasket is located at the piston and the valve seat
Between.
The utility model has the beneficial effects that
1, for the utility model relative to traditional diaphragm type bleeder valve, the scope of application is wider, high pressure resistant.
2, the utility model can control opening and closing by the medium in pipeline, be not required to separately add driving source.
3, the utility model is simple and compact for structure, convenient and practical.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the diagrammatic cross-section one of the utility model, is used to show exhaust pipe；
Fig. 3 is the diagrammatic cross-section two of the utility model, is used to show piston, valve seat and cylinder.
Figure label explanation: 10, valve body；11, the first cavity；12, the second cavity；13, inlet；14, liquid outlet；20,
Valve seat；21, liquid-passing hole；30, cylinder body；40, piston；41, pressure regulating cavity；42, the first sealing ring；43, gasket；50, aperture
Instruction；60, valve deck；61, through-hole；70, exhaust pipe.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
Referring to Fig.1 shown in-Fig. 3, the utility model discloses a kind of surge reliever, including valve body 10, valve seat 20, cylinder
Body 30, piston 40 and exhaust pipe 70.
Valve body 10 is hollow structure, is provided with the first cavity 11 and the second cavity 12 in valve body 10, on the first cavity 11
Inlet 13 is offered, offers liquid outlet 14 on the second cavity 12.
Valve seat 20 is fixed inside valve body 10, and liquid-passing hole 21, liquid-passing hole 21 are offered on the side wall of valve seat 20
It is connected to the second cavity 12.
Cylinder body 30, is fixed at the upper end of valve seat 20 and cylinder body 30 and valve body 10 are tightly connected.
Piston 40 is arranged in 10 inside of valve body and can move up and down along the axial direction of valve body 10, the side wall of piston 40
Upper end is equipped with by multiple first sealing rings 42 and 30 inner wall of cylinder body, and bottom and the valve seat 20 of piston 40 are equipped with；When
When piston 40 moves upwards, liquid-passing hole 21 is connected to the first cavity 11, and the valve of relief valve is opened；When piston 40 moves downward
When, liquid-passing hole 21 is covered by piston 40, and the valve of relief valve is closed.
Exhaust pipe 70 is used for suction and discharge when piston 40 moves, offers exhaust outlet on cylinder body 30, exhaust outlet is located at piston
At 40 lateral wall and 30 inner wall cooperation of cylinder body, be connected to outside one end of exhaust pipe 70 and valve body 10, exhaust pipe 70 it is another
End is connected to exhaust outlet.When piston 40 moves upwards, 70 air inlet of exhaust pipe, when piston 40 moves downward, 70 row of exhaust pipe
Gas.Due to being provided with multiple first sealing rings 42 between piston 40 and cylinder body 30, and the two sides up and down of exhaust outlet are all provided with first
Sealing ring 42.
Opening up groove body is provided in piston 40, the inner cavity of groove body and cylinder body 30 cooperatively forms pressure regulating cavity
41.When the pressure of pressure regulating cavity 41 is greater than the first cavity 11, piston 40 is moved downward, and the valve body 10 of relief valve is closed, when
When the pressure of pressure regulating cavity 41 is less than the first cavity 11, piston 40 is moved upwards, and the valve body 10 of relief valve is opened.Piston can lead to
The medium crossed in pipeline opens and closes to control, and is not required to separately add driving source.
The utility model further includes valve deck 60, and valve deck 60 is located at the upside of valve body 10, offers through-hole 61 on valve deck 60, is led to
Hole 61 is connected to pressure regulating cavity 41.By through-hole 61, staff can external pressure regulating mechanism, pressure regulating mechanism is to pressure
Water flow or gas are injected in power adjusting cavity 41, to change the pressure in pressure regulating cavity 41.
In the present embodiment, the radial cross-section on 40 top of piston is 1.6-3 times of the radial cross-section of 40 lower part of piston.
Piston 40 is 40 structure of differential type piston i.e. in the utility model.The purpose of this design is to guarantee piston top and the bottom in identical pressure
Under power, bleeder valve is in close state.
In addition, piston 40 indicates that 50 mechanisms are connect with aperture.The top of valve deck 60 can by the indicating arm of indicating mechanism,
By watching indicating arm, the aperture of valve can be intuitively judged.
The junction of valve seat 20 and valve body 10 is provided with the second sealing ring.Second sealing ring may make valve seat 20 and valve body
10 fit closely.
40 bottom of piston is provided with gasket 43, gasket 43 is between piston 40 and valve seat 20.When piston 40 to
Under move to bottom, gasket 43 may make piston 40 and valve seat 20 to be in close contact.
The selection of material, when nominal pressure is not more than PN40, valve body and valve deck select spheroidal graphite cast-iron, and nominal pressure is higher than
When PN40, valve body and valve deck select cast steel；Valve seat, cylinder body and piston select SS304 stainless steel；Other parts are also selected stainless
Steel；Sealing element, sealing ring select FKM (fluorubber), gasket to select RPTFE, Glais ring: FKM+RPTFE.Due to making for these selections
With the high pressure resistant high temperature resistant of surge reliever in the utility model is resistant to 120 DEG C of high temperature, the high pressure of resistance to 10MPa.
Embodiment described above is only preferred embodiments for fully illustrating the utility model, the utility model
Protection scope it is without being limited thereto.Those skilled in the art made equivalent substitute or change on the basis of the utility model
It changes, both is within the protection scope of the present invention.The protection scope of the utility model is subject to claims.
Claims (7)
1. a kind of surge reliever characterized by comprising
Valve body is hollow structure, and the first cavity and the second cavity are provided in the valve body, is offered on first cavity
Inlet offers liquid outlet on second cavity；
Valve seat is fixed at the valve inner, and liquid-passing hole, the liquid-passing hole and are offered on the side wall of the valve seat
The connection of two cavitys；
Cylinder body, is fixed at the upper end of the valve seat and the cylinder body is connect with the valve seal；
Piston is arranged in the valve inner and can move up and down along the axial direction of the valve body, the side wall of the piston
Upper end is equipped with by multiple first sealing rings with inboard wall of cylinder block, and bottom and the valve seat of the piston are equipped with；When described
When piston upwards, the liquid-passing hole is connected to the first cavity, and the valve of the relief valve is opened；When the piston is transported downwards
When dynamic, the liquid-passing hole is covered by the piston, and the valve of the relief valve is closed；
Exhaust pipe is used for suction and discharge when piston motion, and exhaust outlet is offered on the cylinder body, and the exhaust outlet is located at piston
At lateral wall and inboard wall of cylinder block cooperation, one end of the exhaust pipe and the external of valve body be connected tos, the other end of the exhaust pipe and
Exhaust outlet connection.
2. surge reliever as described in claim 1, which is characterized in that opening up groove body is provided in the piston,
The inner cavity of the groove body and cylinder body cooperatively forms pressure regulating cavity.
3. surge reliever as claimed in claim 2, which is characterized in that further include valve deck, the valve deck is located at the valve body
Upside, offer through-hole on the valve deck, the through-hole is connected to pressure regulating cavity.
4. surge reliever as described in claim 1, which is characterized in that the radial cross-section of the upper piston area is under piston
1.6-3 times of the radial cross-section in portion.
5. surge reliever as described in claim 1, which is characterized in that the piston is connect with opening degree indicating mechanism.
6. surge reliever as described in claim 1, which is characterized in that the junction of the valve seat and valve body is provided with second
Sealing ring.
7. surge reliever as described in claim 1, which is characterized in that the piston base is provided with gasket, described close
Packing is between the piston and the valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822232315.5U CN209705298U (en) | 2018-12-28 | 2018-12-28 | A kind of surge reliever |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822232315.5U CN209705298U (en) | 2018-12-28 | 2018-12-28 | A kind of surge reliever |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209705298U true CN209705298U (en) | 2019-11-29 |
Family
ID=68638682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822232315.5U Active CN209705298U (en) | 2018-12-28 | 2018-12-28 | A kind of surge reliever |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209705298U (en) |
-
2018
- 2018-12-28 CN CN201822232315.5U patent/CN209705298U/en active Active
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