CN209164662U - The inclined disc type non-return valve of high temperature and pressure - Google Patents
The inclined disc type non-return valve of high temperature and pressure Download PDFInfo
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- CN209164662U CN209164662U CN201822062854.9U CN201822062854U CN209164662U CN 209164662 U CN209164662 U CN 209164662U CN 201822062854 U CN201822062854 U CN 201822062854U CN 209164662 U CN209164662 U CN 209164662U
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- valve
- spring
- flap
- small end
- end cover
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Abstract
The utility model discloses a kind of inclined disc type non-return valves of high temperature and pressure, comprising: valve body, it is with valve inlet, valve export, the left side wall and right side wall of valve body are provided with the small end cover installing port of coaxial arrangement, small end cover installing port is provided with small end cover, and valve body is provided with the spring assembly mounting hole communicated with small end cover installing port；The flap being set at valve body inlet；It is set to the valve deck of body top, sealing ring is provided between valve interior wall；It is set to the torque spring component of two spring assembly mounting holes, flap two sides are provided with the torque spring for assisting flap accurately to return to sealing station, and the torque spring other end is provided with the torque spring adjustment structure on the inside of small end cover；It is set to the flap balance weight at flap rear portion.The valve can be normally-open in the pressure medium effect lower valve of very little, and can guarantee that valve is closed rapidly when needing non-return.
Description
Technical field
The utility model relates to valve fields, more particularly, to a kind of inclined disc type non-return valve of high temperature and pressure.
Background technique
Development with from Thermal Power Generation Industry to ultra supercritical, the continuous expansion in nuclear power market, chemical industry is towards superhigh temperature height
The conversion of service condition is pressed, the drawback that conventional check valves are higher since there are cracking pressures, flow resistance is big does not adapt to market
The needs of development, we have developed inclined disc type non-return valve thus, for preventing pipeline medium from flowing backwards.It can be applied to pressure rating 1
(Class150 to Class4500), all kinds of operating conditions that temperature is subzero 29 degree to 650 degree, are suitable for water, steam, oil to~76MPa
All kinds of media such as product, gas.
Utility model content
The purpose of this utility model is to provide a kind of inclined disc type non-return valves of high temperature and pressure, make in the pressure medium of very little
Can be normally-open with lower valve, and can guarantee that valve is closed rapidly when needing non-return.
In order to solve the above technical problems, the utility model provides a kind of inclined disc type non-return valve of high temperature and pressure comprising:
Valve body, with valve inlet, valve export, the left side wall and right side wall of valve body are provided with the small end of coaxial arrangement
Lid installing port, small end cover installing port are provided with small end cover, and valve body is provided with the spring assembly installation communicated with small end cover installing port
Hole；
The flap being set at valve body inlet；
It is set to the valve deck of body top, sealing ring is provided between valve interior wall；
It is set to the torque spring component of two spring assembly mounting holes, flap two sides are provided with for assisting flap accurate
The torque spring of sealing station is returned to, the torque spring other end is provided with the torque spring adjustment structure on the inside of small end cover；
It is set to the flap balance weight at flap rear portion.
Further, torque spring adjustment structure includes: the spring adjustment block being connected with torque spring, the connection of spring adjustment block
In small end cover, end sealing ring is provided between small end cover and spring adjustment block.
Further, torque spring component includes:
It is installed on the spring pocket of spring assembly mounting hole, torque spring installation passage is set in spring pocket, spring pocket is close to valve
Valve end is provided with bushing；
Further, spring pocket is equipped with flap locating piece.
Further, it is attached between spring adjustment block and small end cover by straight pin.
Further, body top is provided with the pressing plate above valve deck, and pendant collet, valve are provided between pressing plate and valve deck
Gasket ring is provided between the sealing ring installed and pendant collet between lid and valve body.
The utility model has the following beneficial effects: 1. valve opening pressure are small；2. valve flow resistance coefficient is low；3. valve distinguishes pass
Impact force is smaller when closing, noise is lower；4. middle part sealed reliable；5. long service life.
Detailed description of the invention
Fig. 1 is the inclined disc type non-return valve cross-sectional view of high temperature and pressure.
Fig. 2 is the cross-sectional view of the inclined disc type non-return valve other direction of high temperature and pressure.
Fig. 3 is cross-sectional view at spring pocket in the inclined disc type non-return valve of high temperature and pressure.
Fig. 4 is valve flap structure schematic diagram.
Fig. 5 is B direction view in Fig. 4.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
In conjunction with specific embodiments, the utility model is further described in face.
As shown in Figure 1-3, a kind of inclined disc type non-return valve of high temperature and pressure comprising: valve body 1, flap 2, valve deck 3, sealing ring
4, gasket ring 5, pendant collet 6, pressing plate 7, bushing 8, spring pocket 9, torque spring 10, spring adjustment block 11, straight pin 12, end sealing ring
13, small end cover 14, flap locating piece 15, flap balance weight 16.
Referring to Fig. 1, the valve body 1 of valve chamber is inside set, with valve inlet, valve export, valve inlet is located at valve shown in Fig. 1
The left side of body, valve export are located at the right side of valve body shown in Fig. 1, and referring to fig. 2, the left side wall and right side wall of valve body are provided with coaxial
The small end cover installing port of arrangement, small end cover installing port are provided with small end cover 14, and small end cover passes through spiral shell when not adjusting torque spring
Bolt and be fixed on valve body, when needing to adjust torque spring torque magnitude, then laying down bolt between small end cover and valve body then can be with
Small end cover is rotated, and then allows small end cover to drive the rotation of spring adjustment block, and then allow spring adjustment block that torque spring is driven to be turned round
The adjustment of power size.Valve body is provided with the spring assembly mounting hole communicated with small end cover installing port.And it is set to two spring assemblies
Torque spring is then mounted on flap two sides by the torque spring component of mounting hole, and the setting of flap two sides is used to assist flap accurate
The torque spring 10 for returning to sealing station then can control the reset work of valve, and the torque spring other end is provided with positioned at small end
The torque spring adjustment structure of inside is covered, which includes: the spring adjustment block 11 being connected with torque spring,
Spring adjustment block 11 is connected to small end cover 14, and end sealing ring 13 is provided between small end cover and spring adjustment block.Spring adjustment block
It is attached between small end cover by straight pin 12.
Referring to Fig. 1, flap 2 is provided at valve body inlet, flap rear portion (flap is far from valve inlet side) is provided with valve
Valve balance weight 16.Rear portion balance block size is distinguished to change the center of gravity of moving component by adjusting valve, and making the center of gravity of flap, (Fig. 3 shows
Go out flap center of gravity G) it is located at rear portion under center of rotation, both can guarantee in this way can be normal in the pressure medium effect lower valve of very little
It opens, and can guarantee that valve is closed rapidly when needing non-return.
As can be seen from Figure 4 and Figure 5, flap balance weight 16 is a boss at flap rear portion, is an entirety with flap.
It is set to the valve deck 3 of body top, sealing ring 4 is provided between valve interior wall.
Torque spring component includes: the spring pocket 9 for being installed on spring assembly mounting hole, and torque spring installation is set in spring pocket
Channel, spring pocket are provided with bushing 8 close to flap end.
Spring pocket is equipped with flap locating piece 15, convex in flap to guarantee that valve clack sealing surface can coincide always with valve seat orifice
Ear and valve body inner convex platform joint increase a flap locating piece 15, and the inner hole sleeve of flap locating piece is in the outer of spring pocket when installation
On circle.
Body top is provided with the pressing plate 7 above valve deck, is provided with pendant collet 6 between pressing plate and valve deck, valve deck with
Gasket ring 5 is provided between the sealing ring installed between valve body and pendant collet.
In the middle part of valve and two side ends are all made of pressure self-sealing structure, and under the promotion of medium power, valve deck 3 is moved up,
Spring adjustment block 11 is mobile to two sides, to make sealing ring 4 and hair the case where holding sealing ring 13 to compress, prevented valve leakage out of steam system
It is raw.
Valve motion component uses eccentric structure, and sealing surface uses spherical surface form, referring to fig. 2, the pivot center O1 of flap 2
Deviate certain distance with the center line of spring pocket 9, offset distance is 2-3mm in this patent, under the action of medium power, flap with
Spring pocket center line O2 rotates upwards for standard shaft reaches automatic opening valve；When valve inlet loses pressure (as pumped
Parking), flap is made downwards by the pressure medium of outlet end and the collective effect of spring force, flap using spring pocket center line as standard shaft
Rotary motion, to reach automatic-closing valve.
Inclined disc type non-return valve is manufactured and designed according to national and foreign standards such as GB, API, ASME, for preventing pipeline medium
It flows backwards.Can be applied to 1~76MPa of pressure rating, (Class150 to Class4500), temperature are subzero 29 degree to 650 degree each
Class operating condition is suitable for all kinds of media such as water, steam, oil product, gas.The inclined disc type non-return valve of pressure≤10MPa (Class600)
Middle part uses flange connection, uses pressure self-tightening knot in the middle part of the inclined disc type non-return valve of pressure >=15MPa (Class900)
Structure.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific implementation of the utility model
Example, and in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit of the utility model
And range.
Claims (6)
1. a kind of inclined disc type non-return valve of high temperature and pressure, characterized in that it comprises:
Valve body, with valve inlet, valve export, the left side wall and right side wall of the valve body are provided with the small end of coaxial arrangement
Lid installing port, the small end cover installing port are provided with small end cover, and the valve body is provided with the spring communicated with small end cover installing port
Component mounting hole；
The flap being set at valve body inlet；
It is set to the valve deck of body top, sealing ring is provided between valve interior wall；
It is set to the torque spring component of two spring assembly mounting holes, flap two sides are provided with for assisting flap accurately to return to
The torque spring of sealing station, the torque spring other end are provided with the torque spring adjustment structure on the inside of small end cover；
It is set to the flap balance weight at flap rear portion.
2. the inclined disc type non-return valve of high temperature and pressure according to claim 1, which is characterized in that the torque spring adjustment structure
It include: the spring adjustment block being connected with torque spring, the spring adjustment block is connected to small end cover, the small end cover and spring tune
End sealing ring is provided between monolith.
3. the inclined disc type non-return valve of high temperature and pressure according to claim 2, which is characterized in that the torque spring component packet
It includes:
It is installed on the spring pocket of spring assembly mounting hole, torque spring installation passage is set in the spring pocket, the spring pocket leans on
Nearly flap end is provided with bushing.
4. the inclined disc type non-return valve of high temperature and pressure according to claim 3, which is characterized in that the spring pocket is equipped with flap
Locating piece.
5. the inclined disc type non-return valve of high temperature and pressure according to claim 2, which is characterized in that the spring adjustment block and small end
It is attached between lid by straight pin.
6. the inclined disc type non-return valve of high temperature and pressure according to claim 1, which is characterized in that the body top is provided with position
Pressing plate above valve deck is provided with pendant collet, the sealing installed between the valve deck and valve body between the pressing plate and valve deck
Gasket ring is provided between ring and pendant collet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822062854.9U CN209164662U (en) | 2018-12-10 | 2018-12-10 | The inclined disc type non-return valve of high temperature and pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822062854.9U CN209164662U (en) | 2018-12-10 | 2018-12-10 | The inclined disc type non-return valve of high temperature and pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209164662U true CN209164662U (en) | 2019-07-26 |
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ID=67342899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822062854.9U Active CN209164662U (en) | 2018-12-10 | 2018-12-10 | The inclined disc type non-return valve of high temperature and pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209164662U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810684A (en) * | 2020-07-17 | 2020-10-23 | 哈电集团哈尔滨电站阀门有限公司 | Low flow resistance slow-closing check valve |
-
2018
- 2018-12-10 CN CN201822062854.9U patent/CN209164662U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810684A (en) * | 2020-07-17 | 2020-10-23 | 哈电集团哈尔滨电站阀门有限公司 | Low flow resistance slow-closing check valve |
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