CN209012437U - A kind of noiseless type power station check-valves of pressure release type - Google Patents
A kind of noiseless type power station check-valves of pressure release type Download PDFInfo
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- CN209012437U CN209012437U CN201821587756.0U CN201821587756U CN209012437U CN 209012437 U CN209012437 U CN 209012437U CN 201821587756 U CN201821587756 U CN 201821587756U CN 209012437 U CN209012437 U CN 209012437U
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Abstract
The utility model discloses a kind of noiseless type power station check-valves of pressure release type, including valve body, the lower end of the valve body is provided with pedestal, and there are two regulating valves for corresponding installation at the one side position of pedestal for the lower end of valve body, the upper end of the valve body is provided with valve deck, and one end of valve body is provided with water inlet, the other end of the valve body is provided with water outlet.The utility model facilitates the corresponding angle for adjusting current limiting plate and valve interior wall by flow control valve, realize the current-limiting function of valve body, the non-return of valve body and the effect of pressure release are realized by pressure relief mechanism, the case where avoiding pipeline from leading to explosion since pressure difference is excessive, decompression function can also be automatically closed, the case where preventing fluid from flowing back by pressure release passage, it is convenient in valve body installation by horizontal thread bar and longitudinal screw bar, alignment correction is carried out to the inlet and outlet of valve body, fast and easy installation, further improve the installation effectiveness of valve body, ensure the leakproofness of valve body installation.
Description
Technical field
The utility model relates to power station check-valves technical field, specifically a kind of noiseless type power station check-valves of pressure release type.
Background technique
Power station check-valves is divided by structure, can be divided into lift check valve, swing check valve and three kinds of butterfly swing check valve.
Lift check valve can be divided into vertical and two kinds horizontal.Swing check valve is divided into single-lobe formula, Double-disc type and three kinds of multi-clove type.Butterfly
Formula check-valves is that through type, above several check-valves can be divided into three kinds of threaded connection, flanged joint and welding in type of attachment.
Fluid is set to flow back once the problem of existing check-valves duct height and temperature change generates excessive pressure difference
Situation, and Fluid pressure can not release, and the case where Pipeline damage will easily occur, when serious, pipeline will appear explosion, cause
Unexpected to occur, there are serious security risks, and fluid intracorporal for valve can not carry out current limliting, be easy to cause in valve body
Flow velocity it is too fast and lead to the problem of pressure difference, while valve body is during installation, is influenced to will lead into water by topography or other factors
The installation of the position of mouth flange and delivery port flanges is inaccurate, and then influences the leakproofness of valve body.Therefore, those skilled in the art mention
A kind of noiseless type power station check-valves of pressure release type is supplied, to solve the problems mentioned in the above background technology.
Summary of the invention
The purpose of this utility model is to provide a kind of noiseless type power station check-valves of pressure release type, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions: a kind of noiseless type power station non-return of pressure release type
Valve, including valve body, the lower end of the valve body are provided with pedestal, and the lower end of valve body corresponding peace at the one side position of pedestal
For dress there are two regulating valve, the upper end of the valve body is provided with valve deck, and one end of valve body is provided with water inlet, the valve body it is another
One end is provided with water outlet, and the end surface of the valve body is embedded at a side position of water inlet is provided with flow adjusting
Valve, and one end of valve body is embedded at a side position of flow control valve and is provided with the first relief tube, the valve body it is another
The insertion at a side position of water outlet is held to be provided with the second relief tube, the upper surface of the valve deck is provided with valve plug adjusting
Wheel, the upper end of the valve deck is provided with pressure relief mechanism, the upper end of the pressure relief mechanism at an end position of the second relief tube
It is provided with decompression control valve, and the side of pressure relief mechanism is provided with pressure gauge, the valve body is internally provided with valve plug, the valve
Lid is internally provided with valve cover cavity, and the upper surface insertion of valve deck is provided with third relief tube.
Pacify as a further solution of the present invention: the lower end of the flow control valve is located at the interior location of valve body
Equipped with current limiting plate, the current limiting plate is a kind of circular configuration, and current limiting plate is a kind of component of stainless steel material.
The pressure relief mechanism is internally provided with spring, and pressure relief mechanism as a further solution of the present invention,
Be internally located at the lower end position of spring and be provided with compression bar, being internally located at the lower end position of compression bar for the pressure relief mechanism is set
It is equipped with pressure-releasing chamber, the compression bar is a kind of hollow structure of T-shape, and the side of compression bar corresponds to an end position of the second relief tube
Place is corresponded to lower end offers port at the position of pressure-releasing chamber.
The water inlet and pressure relief mechanism are connected by the perforation of the first relief tube as a further solution of the present invention,
It connects, the water outlet and pressure relief mechanism are connected by the perforation of the second relief tube, and the valve cover cavity and pressure relief mechanism are let out by third
Pressure pipe perforation connection, the pressure-releasing chamber and the second relief tube are penetrated through by compression bar and are connected, and the decompression control valve passes through with compression bar
Spring is fixedly connected, and first relief tube and pressure gauge perforation connect.
One end of the regulating valve is provided with horizontal thread bar as a further solution of the present invention, and adjusts
One end of valve is provided with shaft at the position of pedestal, and the outside vertical of the horizontal thread bar is connected with longitudinal screw bar,
The upper end of the longitudinal screw bar is vertically connected with top plate.
The horizontal thread bar is vertical with longitudinal screw bar as a further solution of the present invention, connect, and horizontal
It is adapted to threaded rod with longitudinal screw bar, there are two the longitudinal screw bar is arranged altogether, the top plate and pedestal pass through longitudinal direction
Threaded rod and the rotation connection of horizontal thread bar.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model facilitates the corresponding angle for adjusting current limiting plate and valve interior wall by flow control valve, convenient for control
The intracorporal water flow of valve, is furthermore achieved the current-limiting function of valve body, enhances the practicability of valve body.
2, the non-return of valve body and the effect of pressure release may be implemented by pressure relief mechanism, non-return is played when Fluid pressure is normal
Function, play the function of pressure release in the excessive Shi Zeneng of Fluid pressure, avoid pipeline cause since pressure difference is excessive explosion the case where,
Unexpected generation is prevented, more decompression function can be automatically closed, prevent fluid from going out by pressure release passage when Fluid pressure is normal
The case where now flowing back.
3, convenient in valve body installation by horizontal thread bar and longitudinal screw bar, to the inlet and outlet of valve body into
Row alignment correction, fast and easy installation, avoid valve body during installation by topography or other factors influenced and cause water inlet or
Water outlet installation site is inaccurate, so as to cause valve body installation poor sealing effect the problem of, further improve the peace of valve body
Fill efficiency, it is ensured that the leakproofness of valve body installation.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the noiseless type power station check-valves of pressure release type；
Fig. 2 is the structural schematic diagram of pressure relief mechanism in a kind of noiseless type power station check-valves of pressure release type；
Fig. 3 is the installation signal of horizontal thread bar and longitudinal screw bar in a kind of noiseless type power station check-valves of pressure release type
Figure.
In figure: 1, valve body；2, regulating valve；201, top plate；202, horizontal thread bar；203, longitudinal screw bar；204, shaft；
3, water inlet；4, flow control valve；401, current limiting plate；5, the first relief tube；6, pressure gauge；7, decompression control valve；8, pressure release machine
Structure；9, valve plug regulating wheel；10, the second relief tube；11, valve deck；12, water outlet；13, valve plug；14, valve cover cavity；15, third pressure release
Pipe；16, spring；17, compression bar；18, pressure-releasing chamber；19, pedestal.
Specific embodiment
Please refer to Fig. 1~3, in the utility model embodiment, a kind of noiseless type power station check-valves of pressure release type, including valve body
1, the lower end of valve body 1 is provided with pedestal 19, and the lower end of valve body 1 corresponds to there are two installations at the one side position of pedestal 19
Regulating valve 2, the upper end of valve body 1 is provided with valve deck 11, and one end of valve body 1 is provided with water inlet 3, the other end setting of valve body 1
There is water outlet 12, the end surface of valve body 1 is embedded at a side position of water inlet 3 and is provided with flow control valve 4, and valve body
1 one end is embedded at a side position of flow control valve 4 and is provided with the first relief tube 5, and the other end of valve body 1 is close to water outlet
Insertion is provided with the second relief tube 10 at one side position of mouth 12, and the upper surface of valve deck 11 is provided with valve plug regulating wheel 9, valve deck 11
Upper end pressure relief mechanism 8 is provided at an end position of the second relief tube 10, the upper end of pressure relief mechanism 8 is provided with pressure release tune
Valve 7 is saved, and the side of pressure relief mechanism 8 is provided with pressure gauge 6, valve body 1 is internally provided with valve plug 13, the inside setting of valve deck 11
There is valve cover cavity 14, and the upper surface insertion of valve deck 11 is provided with third relief tube 15.
The lower end of flow control valve 4, which is located at the interior location of valve body 1, is equipped with current limiting plate 401, and current limiting plate 401 is one kind
Circular configuration, and current limiting plate 401 be a kind of stainless steel material component, by flow control valve 4 facilitate adjust current limiting plate 401 with
The current-limiting function of valve body 1 is furthermore achieved convenient for the water flow in application valve body 1 in the corresponding angle of 1 inner wall of valve body.
Pressure relief mechanism 8 is internally provided with spring 16, and sets at the lower end position for being internally located at spring 16 of pressure relief mechanism 8
It is equipped with compression bar 17, pressure-releasing chamber 18 is provided at the lower end position for being internally located at compression bar 17 of pressure relief mechanism 8, compression bar 17 is one kind
The hollow structure of T-shape, and the side of compression bar 17 corresponds at an end position of the second relief tube 10 and lower end corresponds to pressure-releasing chamber 18
Position at offer port, water inlet 3 and pressure relief mechanism 8 are connected by the perforation of the first relief tube 5, water outlet 12 and pressure release
Mechanism 8 is connected by the perforation connection of the second relief tube 10, valve cover cavity 14 and pressure relief mechanism 8 by the perforation of third relief tube 15, is let out
Chamber 18 and the second relief tube 10 is pressed to connect by the perforation of compression bar 17, decompression control valve 7 is fixedly connected with compression bar 17 by spring 16,
First relief tube 5 is connected with the perforation of pressure gauge 6, can be by the first relief tube 5 by the water in water inlet 3 when valve body 1 works
Flowing pressure discharges into the pressure-releasing chamber 18 in pressure relief mechanism 8, then drives compression bar 17 to move up by spring 16 by decompression control valve 7, from
And penetrate through the port of 17 side of compression bar and the Single port of the second relief tube 10, and then make the hydraulic pressure in the first relief tube 5 by letting out
It presses chamber 18 to enter in the second relief tube 10, then valve body 1 is flowed into close to one end of water outlet 12, convenient for subtracting by the second relief tube 10
The differential water pressures at the both ends of small valve body 1 achieve the effect that quick pressure releasing, while the hydraulic pressure in the first relief tube 5 can pass through pressure-releasing chamber
18 flow into third relief tube 15, then are flowed into valve cover cavity 14 by third relief tube 15, and then the valve on valve deck 11 can be enhanced
The strength of adjustment for filling in regulating wheel 9, facilitates valve plug regulating wheel 9 can be with easy adjustment valve plug 13, convenient for opening valve plug 13, further
The case where realizing the Fluid pressure in water inlet line, achieve the effect that pressure release, pipeline is avoided to lead to explosion since pressure difference is excessive, Du
Unexpected generation absolutely when the Fluid pressure in valve body 1 is normal, adjusts compression bar 17 by spring 16 using decompression control valve 7
It moves down, so that the port of 17 side of compression bar and the port of 10 one end of the second relief tube is staggered, the pressure in pressure-releasing chamber 18 can be cut off,
And then the case where pressure release work can be stopped, preventing fluid from flowing back by pressure release passage.
One end of regulating valve 2 is provided with horizontal thread bar 202, and one end of regulating valve 2 is set at the position of pedestal 19
It is equipped with shaft 204, the outside vertical of horizontal thread bar 202 is connected with longitudinal screw bar 203, and the upper end of longitudinal screw bar 203 is hung down
Direct-connected to be connected to top plate 201, horizontal thread bar 202 is vertical with longitudinal screw bar 203 to be connect, and horizontal thread bar 202 and longitudinal spiral shell
Rasp bar 203 is adapted, and for longitudinal screw bar 203 altogether there are two settings, top plate 201 and pedestal 19 pass through longitudinal screw bar 203 and cross
It is rotatablely connected to threaded rod 202, horizontal thread bar 202 can be rotated by regulating valve 2, driven by horizontal thread bar 202 vertical
It is moved upwards to threaded rod 203, and then longitudinal screw bar 203 can jack up top plate 201, and the height of the jack-up of top plate 201
Range conveniently carries out alignment correction to the water inlet 3 and water outlet 12 of valve body 1 in 3-5cm during installation, is convenient for Fast Installation,
It avoids valve body 1 from being influenced during installation by topography or other factors and causes water inlet 3 or 12 installation site of water outlet inaccurate,
So as to cause valve body 1 install poor sealing effect the problem of, further improve the installation effectiveness of valve body 1, it is ensured that valve body 1 install
Leakproofness.
It is above-described, the only preferable specific embodiment of the utility model, but the protection scope of the utility model is simultaneously
It is not limited to this, anyone skilled in the art within the technical scope disclosed by the utility model, according to this reality
It is subject to equivalent substitution or change with novel technical solution and its utility model design, should all covers the protection in the utility model
Within the scope of.
Claims (6)
1. a kind of noiseless type power station check-valves of pressure release type, including valve body (1), which is characterized in that the lower end of the valve body (1) is set
It is equipped with pedestal (19), and there are two regulating valves for corresponding installation at the one side position of pedestal (19) for the lower end of valve body (1)
(2), the upper end of the valve body (1) is provided with valve deck (11), and one end of valve body (1) is provided with water inlet (3), the valve body
(1) the other end is provided with water outlet (12), and the end surface of the valve body (1) is embedding at a side position of water inlet (3)
Enter to be provided with flow control valve (4), and one end of valve body (1) is embedded at a side position of flow control valve (4) and is provided with
First relief tube (5), the other end of the valve body (1) are embedded at a side position of water outlet (12) and are provided with the second pressure release
It manages (10), the upper surface of the valve deck (11) is provided with valve plug regulating wheel (9), and the upper end of the valve deck (11) is close to the second pressure release
It manages and is provided with pressure relief mechanism (8) at an end position of (10), the upper end of the pressure relief mechanism (8) is provided with decompression control valve (7),
And the side of pressure relief mechanism (8) is provided with pressure gauge (6), the valve body (1) is internally provided with valve plug (13), the valve deck
(11) be internally provided with valve cover cavity (14), and the upper surface insertion of valve deck (11) is provided with third relief tube (15).
2. the noiseless type power station check-valves of a kind of pressure release type according to claim 1, which is characterized in that the flow is adjusted
The lower end of valve (4), which is located at the interior location of valve body (1), to be equipped with current limiting plate (401), and the current limiting plate (401) is a kind of circle
Structure, and current limiting plate (401) is a kind of component of stainless steel material.
3. the noiseless type power station check-valves of a kind of pressure release type according to claim 1, which is characterized in that the pressure relief mechanism
(8) be internally provided with spring (16), and compression bar is provided at the lower end position for being internally located at spring (16) of pressure relief mechanism (8)
(17), pressure-releasing chamber (18), the compression bar are provided at the lower end position for being internally located at compression bar (17) of the pressure relief mechanism (8)
It (17) is a kind of hollow structure of T-shape, and at an end position of the side corresponding second relief tube (10) of compression bar (17) under
It holds and offers port at the position of corresponding pressure-releasing chamber (18).
4. the noiseless type power station check-valves of a kind of pressure release type according to claim 1 or 3, which is characterized in that the water inlet
Mouthful (3) and pressure relief mechanism (8) are connected by the first relief tube (5) perforation, and the water outlet (12) and pressure relief mechanism (8) pass through the
Two relief tubes (10) perforation connection, the valve cover cavity (14) and pressure relief mechanism (8) are connected by third relief tube (15) perforation, institute
It states pressure-releasing chamber (18) and the second relief tube (10) to connect by compression bar (17) perforation, the decompression control valve (7) and compression bar (17)
It is fixedly connected by spring (16), first relief tube (5) and pressure gauge (6) perforation connect.
5. the noiseless type power station check-valves of a kind of pressure release type according to claim 1, which is characterized in that the regulating valve
(2) one end is provided with horizontal thread bar (202), and one end of regulating valve (2) is provided at the position of pedestal (19) and turns
The outside vertical of axis (204), the horizontal thread bar (202) is connected with longitudinal screw bar (203), the longitudinal screw bar
(203) upper end is vertically connected with top plate (201).
6. the noiseless type power station check-valves of a kind of pressure release type according to claim 5, which is characterized in that the horizontal thread
Bar (202) is vertical with longitudinal screw bar (203) to be connect, and horizontal thread bar (202) is adapted with longitudinal screw bar (203), institute
It states there are two the total settings of longitudinal screw bar (203), the top plate (201) and pedestal (19) pass through longitudinal screw bar (203) and cross
It is rotatablely connected to threaded rod (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821587756.0U CN209012437U (en) | 2018-09-28 | 2018-09-28 | A kind of noiseless type power station check-valves of pressure release type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821587756.0U CN209012437U (en) | 2018-09-28 | 2018-09-28 | A kind of noiseless type power station check-valves of pressure release type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209012437U true CN209012437U (en) | 2019-06-21 |
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ID=66834629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821587756.0U Active CN209012437U (en) | 2018-09-28 | 2018-09-28 | A kind of noiseless type power station check-valves of pressure release type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209012437U (en) |
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2018
- 2018-09-28 CN CN201821587756.0U patent/CN209012437U/en active Active
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