CN209725269U - A kind of low noise gate valve - Google Patents
A kind of low noise gate valve Download PDFInfo
- Publication number
- CN209725269U CN209725269U CN201920375971.2U CN201920375971U CN209725269U CN 209725269 U CN209725269 U CN 209725269U CN 201920375971 U CN201920375971 U CN 201920375971U CN 209725269 U CN209725269 U CN 209725269U
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- valve
- noise abatement
- runner
- disk
- valve body
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Abstract
The utility model discloses a kind of low noise gate valves, including valve body, the runner for flow of media is equipped in valve body, the direction vertical with runner is equipped with valve chamber in valve body, valve plate is equipped in valve chamber, the valve rod that drive valve plate moves up and down in valve chamber is installed on valve plate, valve body is equipped with the valve deck with valve chamber sealing cooperation, the valve rod is pierced by from valve deck and is connected with the handwheel that driving stem moves up and down, the runner includes flowing into runner and outflow runner, the valve body, which is located to flow into, is equipped with noise abatement disk mounting base on the outside of runner, the noise abatement disk mounting base and flow between runner be equipped with noise abatement disk, the noise abatement disk is equipped with multiple noise abatement holes, the port in the bore gravity flow influent stream road in the noise abatement hole is gradually reduced to valve plate.The utility model has the beneficial effects that being provided with noise abatement hole, flows through medium and flow into runner by flow velocity increase when noise abatement hole and pressure reduction, pressure medium reduces the surge that valve plate generates after reducing, to reduce noise.
Description
Technical field
The utility model relates to valve field, in particular to a kind of low noise gate valve.
Background technique
Gate valve refers to the valve that flashboard is moved along the vertical direction of valve rod.Gate valve can only make standard-sized sheet in pipeline and complete close is blocked up
It cuts and uses, cannot make adjustments and throttle.Gate valve is used as cut-off medium, and wherein medium includes water, and oil, steam leads at work
Crossing certain external power makes handwheel driving stem so that valve plate is pressed to body base by force the transmission of valve plate, passes through body base and valve
Cooperation between plate is for guaranteeing the leakproofness of gate valve.
Gate valve generally comprises valve body, valve rod and valve plate, and the both ends of valve body are equipped with runner, and runner port is equipped with flange, valve body
It is attached by flange and pipeline.Valve plate abuts to form sealing with runner, and runner is in off state；It circulates when valve plate moves up and is
Open state.In the open state, medium flows through valve body and generates to valve plate bottom impacts noise easy to form to existing gate valve, together
Shi Jiezhi generates impact to valve plate bottom and is also easy to flow into medium in valve chamber, influences valve rod operation.
Utility model content
The gate valve that the technical problem to be solved by the present invention is to provide a kind of noises is small, is sealed.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions: a kind of low noise gate valve,
Including valve body, the runner for flow of media is equipped in valve body, the interior direction vertical with runner of valve body is equipped with valve chamber, sets in valve chamber
There is valve plate, the valve rod that drive valve plate moves up and down in valve chamber is installed on valve plate, valve body is equipped with and valve chamber sealing cooperation
Valve deck, the valve rod are pierced by from valve deck and are connected with the handwheel that driving stem moves up and down, and the runner includes flowing into
Runner and outflow runner, the valve body, which is located to flow into, is equipped with noise abatement disk mounting base on the outside of runner, the noise abatement disk mounting base and stream
Noise abatement disk is equipped between influent stream road, the noise abatement disk is equipped with multiple noise abatement holes, the bore gravity flow influent stream road in the noise abatement hole
Port is gradually reduced to valve plate.
By using above-mentioned technical proposal, due to being provided with noise abatement hole, and the port in the bore gravity flow influent stream road in noise abatement hole
It is gradually reduced to valve plate, i.e., medium flows through inflow runner and is gradually reduced by being equivalent to the channel flowed through when noise abatement hole, to be situated between
Mass flow speed increases and pressure reduces, and pressure medium reduces the surge that valve plate generates after reducing, to reduce noise.
Be further arranged to: the noise abatement disk mounting base is equipped with the first short slot, and the valve body is equipped with the second short slot, institute
Noise abatement disk mounting base is stated to be fastened between first short slot and second short slot.
By using above-mentioned technical proposal, the first short slot and the second short slot are set, make noise abatement disk card set into two short slots it
Between, it is fixed on noise abatement disk between noise abatement disk mounting base and valve body, is not likely to produce translation.
It is further arranged to: being fixedly connected between the noise abatement disk mounting base and the valve body by flange.
By using above-mentioned technical proposal, flanged joint is convenient for the installation and removal of noise abatement disk.
Be further arranged to: the center of circle of the noise abatement disk is equipped with a noise abatement hole, and the circumferential direction of noise abatement disk is equipped with six and subtracts
It makes an uproar hole, the noise abatement hole in circumferential direction is evenly distributed.
By using above-mentioned technical proposal, so that medium is flowed through noise abatement disk by circumferential equally distributed setting makes medium pressure
Power is evenly distributed, in case noise abatement disk unbalance stress causes to damage.
It is further arranged to: being equipped with the first sealing between the noise abatement disk and the noise abatement disk mounting base and the valve body
Circle.
By using above-mentioned technical proposal, the first sealing ring, which is arranged, to be made to form sealing between noise abatement disk mounting base and valve body.
Be further arranged to: the valve body is equipped with third short slot towards valve plate, and the second sealing is equipped in the third short slot
Circle, the valve plate are equipped with the 4th short slot, are equipped with third sealing ring in the 4th short slot, second sealing ring and described the
Three sealing rings offset.
By using above-mentioned technical proposal, reinforced between valve body and valve plate by the second sealing ring of setting and third sealing ring
Sealing performance.
Be further arranged to: the valve plate is equipped with diaphragm seal towards body base.
By using above-mentioned technical proposal, diaphragm seal is set in valve plate bottom, when moving up valve plate, valve plate and the second sealing
Sealing is formed between circle.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment；
Fig. 2 is the enlarged diagram in Fig. 1 at A；
Fig. 3 is the schematic diagram of noise abatement disk in the present embodiment；
In figure: 1, valve body；2, valve chamber；3, valve plate；4, valve rod；5, valve deck；6, handwheel；7, runner is flowed into；8, runner is flowed out；
9, noise abatement disk mounting base；10, noise abatement disk；11, noise abatement hole；12, the first short slot；13, the second short slot；14, the first sealing ring；15,
Third short slot；16, the second sealing ring；17, the 4th short slot；18, third sealing ring；19, diaphragm seal.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, practical to this in order to which the technical solution of the utility model is more clearly understood
It is novel to be described in further detail.The direction being previously mentioned and position term, for example, "upper", "lower", "front", "rear", " left side ", "
The right side ", "inner", "outside" etc. are only direction or position with reference to attached drawing, and therefore, the direction and position term used is to illustrate
And understand the utility model, it should be understood that specific embodiment described herein only to explain the utility model, is not used to
Limit the utility model.
Referring to figs. 1 to Fig. 3, the utility model provides a kind of low noise gate valve, including valve body 1, is equipped in valve body 1 for medium
The runner of circulation, the interior direction vertical with runner of valve body 1 are equipped with valve chamber 2, valve plate 3 are equipped in valve chamber 2, is installed on valve plate 3
The valve rod 4 that drive valve plate 3 moves up and down in valve chamber 2, valve body 1 are equipped with the valve deck 5 with the sealing cooperation of valve chamber 2, the valve rod 4
The handwheel 6 that driving stem 4 moves up and down is pierced by and is connected with from valve deck 5, and the runner includes flowing into runner 7 and outflow
Runner 8, the valve body 1, which is located to flow into, is equipped with noise abatement disk mounting base 9 on the outside of runner 7, the noise abatement disk mounting base 9 with flow into runner
It is equipped with noise abatement disk 10 between 7, is fixedly connected between the noise abatement disk mounting base 9 and the valve body 1 by flange.It is described to subtract
It makes an uproar and is equipped with the first sealing ring 14 between disk 10 and the noise abatement disk mounting base 9 and the valve body 1.The noise abatement disk 10 is equipped with more
The port in a noise abatement hole 11, the bore gravity flow influent stream road 7 in the noise abatement hole 11 is gradually reduced to valve plate 3.The noise abatement disk installation
Seat 9 is equipped with the first short slot 12, and the valve body 1 is equipped with the second short slot 13, and the noise abatement disk mounting base 9 is fastened on described first
Between short slot 12 and second short slot 13, sets the card of noise abatement disk 10 between two short slots, noise abatement disk 10 is made to be fixed on noise abatement
Between disk mounting base 9 and valve body 1, it is not likely to produce translation.First sealing ring 14 is also disposed at the first short slot 12 and second and lacks
Between slot 13, make to form sealing between 1 three of noise abatement disk 10, noise abatement disk mounting base 9 and valve body.The valve body 1 is set towards valve plate 3
There is third short slot 15, the second sealing ring 16 is equipped in the third short slot 15, the valve plate 3 is equipped with the 4th short slot 17, described
Third sealing ring 18 is equipped in 4th short slot 17, second sealing ring 16 and the third sealing ring 18 offset.
Preferably, the center of circle of the noise abatement disk 10 is equipped with a noise abatement hole 11, and the circumferential direction of noise abatement disk 10 is equipped with six and subtracts
It makes an uproar hole 11, the noise abatement hole 11 in circumferential direction is evenly distributed.So that medium is flowed through noise abatement disk 10 by circumferential equally distributed setting makes
Pressure medium is evenly distributed, in case 10 unbalance stress of noise abatement disk causes to damage.
In addition, the valve plate 3 is equipped with diaphragm seal 19 towards 1 bottom of valve body, valve plate 3 is set to move up runner in the open state
When, sealing is formed between valve plate 3 and the second sealing ring 16, prevents medium from entering valve chamber 2.
Due to being provided with noise abatement hole 11, and the port in the bore gravity flow influent stream road 7 in noise abatement hole 11 is gradually reduced to valve plate 3,
I.e. medium flows through inflow runner and is gradually reduced by being equivalent to the channel flowed through when noise abatement hole 11, so that velocity of medium increases and presses
Power reduces, and pressure medium reduces the surge that valve plate 3 generates after reducing, to reduce noise.In addition, the first sealing of setting
The 14, second sealing ring 16, third sealing ring 18 and diaphragm seal 19 are enclosed, keeps the sealing performance of gate valve more preferable.
Above embodiments are only the explanation to the utility model, are not limitations of the present invention, for this
For the those of ordinary skill in field, without departing from the principle of this utility model, several deformations can also be made and changed
Into these are all within the protection scope of the present invention, therefore the protection scope of the utility model patent should be with claim
It is quasi-.
Claims (7)
1. it is equipped with the runner for flow of media a kind of low noise gate valve, including valve body, in valve body, the side vertical with runner in valve body
It is equipped with valve chamber upwards, valve plate is equipped in valve chamber, is installed with the valve rod that drive valve plate moves up and down in valve chamber on valve plate, on valve body
Equipped with the valve deck with valve chamber sealing cooperation, the valve rod is pierced by from valve deck and is connected with the hand that driving stem moves up and down
Wheel, it is characterised in that: the runner includes flowing into runner and outflow runner, and the valve body, which is located to flow into, is equipped with noise abatement on the outside of runner
Disk mounting base, the noise abatement disk mounting base and flow between runner be equipped with noise abatement disk, the noise abatement disk be equipped with multiple noise abatement holes,
The port in the bore gravity flow influent stream road in the noise abatement hole is gradually reduced to valve plate.
2. a kind of low noise gate valve according to claim 1, it is characterised in that: the noise abatement disk mounting base is equipped with first
Short slot, the valve body are equipped with the second short slot, and the noise abatement disk mounting base is fastened on first short slot and second short slot
Between.
3. a kind of low noise gate valve according to claim 1, it is characterised in that: the noise abatement disk mounting base and the valve body
Between be fixedly connected by flange.
4. a kind of low noise gate valve according to claim 1, it is characterised in that: the center of circle of the noise abatement disk is equipped with one and subtracts
It makes an uproar hole, the circumferential direction of noise abatement disk is equipped with six noise abatement holes, and the noise abatement hole in circumferential direction is evenly distributed.
5. a kind of low noise gate valve according to claim 1, it is characterised in that: the noise abatement disk and the noise abatement disk are installed
The first sealing ring is equipped between seat and the valve body.
6. a kind of low noise gate valve according to claim 1, it is characterised in that: the valve body is lacked towards valve plate equipped with third
Slot, the second sealing ring is equipped in the third short slot, and the valve plate is equipped with the 4th short slot, is equipped with third in the 4th short slot
Sealing ring, second sealing ring and the third sealing ring offset.
7. a kind of low noise gate valve according to claim 1, it is characterised in that: the valve plate is equipped with close towards body base
Mounting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920375971.2U CN209725269U (en) | 2019-03-22 | 2019-03-22 | A kind of low noise gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920375971.2U CN209725269U (en) | 2019-03-22 | 2019-03-22 | A kind of low noise gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209725269U true CN209725269U (en) | 2019-12-03 |
Family
ID=68688158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920375971.2U Active CN209725269U (en) | 2019-03-22 | 2019-03-22 | A kind of low noise gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209725269U (en) |
-
2019
- 2019-03-22 CN CN201920375971.2U patent/CN209725269U/en active Active
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| GR01 | Patent grant |