CN208907472U - Fixation cone valve with anti-cavitation decrease of noise functions - Google Patents
Fixation cone valve with anti-cavitation decrease of noise functions Download PDFInfo
- Publication number
- CN208907472U CN208907472U CN201920177787.7U CN201920177787U CN208907472U CN 208907472 U CN208907472 U CN 208907472U CN 201920177787 U CN201920177787 U CN 201920177787U CN 208907472 U CN208907472 U CN 208907472U
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- CN
- China
- Prior art keywords
- cavitation
- decrease
- conservancy diversion
- water conservancy
- energy dissipating
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of fixation cone valves with anti-cavitation decrease of noise functions, including pod and the taper valve body for being mounted on pod housing cavity, water conservancy diversion covers in downstream side and is equipped with closing flange, closing chamber is collectively formed in the inner cavity of closing flange and water conservancy diversion over body case, it closes flange and is equipped with the energy dissipating cylinder being located in closing chamber, energy dissipating cylinder is equipped with the drainage cavity being connected to closing flange, for energy dissipating cylinder in close to the closed at one end of taper valve body, energy dissipating cylinder offers multiple energy dissipatings head-on collision holes for being connected to closing chamber and drainage cavity being evenly arranged along peripheral wall.The fixation cone valve have the function of it is simple and reliable for structure, can inhibit cavitation erosion, have the advantages that energy-eliminating noise-reducing.
Description
Technical field
The utility model relates generally to the anti-cavitation noise reduction technology of fixed cone valve, more particularly to a kind of with anti-cavitation drop
The fixation cone valve for function of making an uproar.
Background technique
Fixed cone valve is usually used in turbine-generator units bypass, dam or other needs and discharges water place, is normally at pipeline
End.
As fixed cone valve is widely applied, cone valve is fixed in diversion, water supply and is also placed in pipeline as disappearing
Energy threshold and flow regulating valve use, and exit velocity is high after fixed cone valve valve, and the impact kinetic energy that high flow rate is formed is vibrated generating and made an uproar
Sound has very big harm using safe to pipe-line system.
Utility model content
The technical problems to be solved in the utility model be overcome the deficiencies of the prior art and provide it is a kind of it is simple and reliable for structure,
It can inhibit cavitation erosion, the fixation cone valve with decrease of noise functions.
In order to solve the above technical problems, the utility model uses following technical scheme:
A kind of fixation cone valve with anti-cavitation decrease of noise functions, including water conservancy diversion over body case and be mounted in water conservancy diversion over body case
The taper valve body of chamber, the water conservancy diversion over body case are equipped with closing flange, the closing flange and water conservancy diversion over body case in downstream side
Closing chamber is collectively formed in the inner cavity in downstream side, and the closing flange is equipped with the energy dissipating cylinder being located in closing chamber, the energy dissipating cylinder
Equipped with the drainage cavity being connected to closing flange, in close to the closed at one end of taper valve body, energy dissipating cylinder opens up energy dissipating cylinder along peripheral wall
There are multiple energy dissipating head-on collision holes for being connected to closing chamber and drainage cavity being evenly arranged.
As a further improvement of the above technical scheme:
Energy dissipating head-on collision hole is set as bellmouth, and the bellmouth is greater than close to the aperture of closing chamber side close to draining
The aperture of chamber side.
The water conservancy diversion over body case is disposed around cone valve in the guide shell for being provided with both ends perforation in closing chamber, the guide shell
The periphery in ontology downstream side.
The guide shell offers multiple water conservancy diversion through-holes being evenly arranged along peripheral wall.
The pod inner walls are equipped with connecting rib, and the guide shell is fixed on connecting rib.
The energy dissipating cylinder is equipped with guiding cone, the miner diameter end direction of the guiding cone in one end close to taper valve body
Guide shell.
There is cavity inside the guiding cone, connection water conservancy diversion tube inner chamber and guiding cone are offered in the guiding cone
The concora crush hole of cavity.
The closing flange is detachably connected by bolt and the formation of water conservancy diversion over body case.
Impurity elimination operation port is offered on the water conservancy diversion over body case, and lid is installed in the impurity elimination operation port.
Compared with the prior art, the advantages of the utility model are:
1, the fixation cone valve with anti-cavitation decrease of noise functions of the utility model is installed in the downstream side of water conservancy diversion over body case
There is closing flange, closing chamber is collectively formed with the inner cavity of water conservancy diversion over body case, that is, the back pressure after increasing fixed cone valve valve, drop
Low water flow rate degree can play the role of significantly inhibiting cavitation erosion, reduce vibration and noise.
2, the fixation cone valve with anti-cavitation decrease of noise functions of the utility model, energy dissipating head-on collision hole make water flow from energy dissipating
Cylinder peripheral wall flows into form head-on collision energy dissipating to drainage cavity center, significantly improves the effect of energy dissipation of whole device, and energy dissipating cylinder position
In the middle part of integrated piping, noise is smaller.
3, the fixation cone valve with anti-cavitation decrease of noise functions of the utility model, overall structure are simple and reliable.
Detailed description of the invention
Fig. 1 is the overlooking structure diagram of the utility model.
Fig. 2 is the main cross section structure diagram of the utility model.
Fig. 3 is enlarged structure schematic diagram at the A of Fig. 2.
Each label indicates in figure:
1, water conservancy diversion over body case；11, connecting rib；12, impurity elimination operation port；13, lid；2, taper valve body；3, method is closed
It is blue；4, closing chamber；5, energy dissipating cylinder；51, drainage cavity；52, energy dissipating head-on collision hole；6, guide shell；61, water conservancy diversion through-hole；7, guiding cone；
71, concora crush hole.
Specific embodiment
The utility model is described in further details below with reference to Figure of description and specific embodiment.
Fig. 1 to Fig. 3 shows a kind of embodiment of fixation cone valve of the utility model with anti-cavitation decrease of noise functions, packet
Water conservancy diversion over body case 1 and the taper valve body 2 for being mounted on 1 inner cavity of water conservancy diversion over body case are included, water conservancy diversion over body case 1 is equipped with envelope in downstream side
Flange 3 is closed, closing chamber 4 is collectively formed in the inner cavity for closing flange 3 and 1 downstream side of water conservancy diversion over body case, and closing flange 3, which is equipped with, to be located at
Energy dissipating cylinder 5 in closing chamber 4, energy dissipating cylinder 5 are equipped with the drainage cavity 51 being connected to closing flange 3, and energy dissipating cylinder 5 is in close to cone valve sheet
Body 2 it is closed at one end, energy dissipating cylinder 5 along peripheral wall offer it is multiple be evenly arranged for being connected to disappearing for closing chamber 4 and drainage cavity 51
Can clash hole 52.When operation, water flows through the effect of taper valve body 2 and drains into closing chamber 4, drains into drainage cavity by energy dissipating head-on collision hole 52
51, finally it is discharged from drainage cavity 51.For traditional structure, which is equipped in the downstream side of water conservancy diversion over body case 1
Flange 3 is closed, closing chamber 4 is collectively formed with the inner cavity in 1 downstream side of water conservancy diversion over body case, that is, after increasing fixed cone valve valve
Back pressure reduces water velocity, can play the role of significantly inhibiting cavitation erosion, reduce vibration and noise；Energy dissipating head-on collision hole 52 makes
Water flow flows into form head-on collision energy dissipating from 5 peripheral wall of energy dissipating cylinder to 51 center of drainage cavity, significantly improves the effect of energy dissipation of whole device,
And energy dissipating cylinder 5 is located in the middle part of integrated piping, and noise is smaller；The overall structure of the fixation cone valve is simple and reliable.
In the present embodiment, energy dissipating head-on collision hole 52 is set as bellmouth, and bellmouth is greater than close to the aperture of 4 side of closing chamber to be leaned on
The aperture of nearly 51 side of drainage cavity.In the structure, on the one hand the setting of bellmouth plays the role of drainage, on the other hand makes water
The head-on collision effect of energy dissipation of stream is obvious.
In the present embodiment, in the guide shell 6 for being provided with both ends perforation in closing chamber 4, guide shell 6 encloses to be set water conservancy diversion over body case 1
In the periphery in 2 downstream side of taper valve body.The guide shell 6 can make water flow form vortex effect of energy dissipation in its inner cavity, then cooperate and disappear
The throttling energy dissipating of energy cylinder 5 head-on collision energy dissipating and taper valve body 2, further improves integrally-built effect of energy dissipation.
In the present embodiment, guide shell 6 offers multiple water conservancy diversion through-holes 61 being evenly arranged along peripheral wall.The water conservancy diversion through-hole 61
Setting can further improve effect of energy dissipation so that water flow is spread out by water conservancy diversion through-hole 61 into closing chamber 4.
In the present embodiment, 1 inner wall of water conservancy diversion over body case is equipped with connecting rib 11, and guide shell 6 is fixed on connecting rib 11.Even
Connecing gusset 11 is mainly that guide shell 6 provides fixed installation basis, simple for structure.
In the present embodiment, energy dissipating cylinder 5 in close to taper valve body 2 one end be equipped with guiding cone 7, guiding cone 7 it is small
Diameter end is towards guide shell 6.The guiding cone 7 can carry out water conservancy diversion to 6 inner cavity another part water flow of guide shell, and it is rapid can to play reduction
Flow noise effect.
In the present embodiment, there is cavity inside guiding cone 7, connection 6 inner cavity of guide shell is offered in guiding cone 7 and is led
The concora crush hole 71 of 7 cavity of flow cone body.It is mainly used for loss of weight for cavity is arranged inside guiding cone 7, it is integrally-built negative to mitigate
It carries, and the setting in concora crush hole 71 can make cavity water-filling, to guarantee that pressure at both sides balances, guiding cone 7 be prevented to be deformed.
In the present embodiment, closing flange 3 is detachably connected by bolt and the formation of water conservancy diversion over body case 1.Setting is convenient in this way
Components in closing chamber 4 are overhauled and are replaced.
In the present embodiment, impurity elimination operation port 12 is offered on water conservancy diversion over body case 1, lid 13 is installed in impurity elimination operation port 12.
Equally distributed impurity elimination operation port 12 can play the role of clearing up sundries, and lid 13 can guarantee the close of the normal operating conditions heart
Feng Xing.
Although the utility model is disclosed as above with preferred embodiment, it is not intended to limit the utility model.It is any
Those skilled in the art, in the case where not departing from technical solutions of the utility model range, all using the disclosure above
Technology contents many possible changes and modifications are made to technical solutions of the utility model, or be revised as the equivalent of equivalent variations
Embodiment.Therefore, all contents without departing from technical solutions of the utility model, according to the utility model technical spirit to the above reality
Any simple modifications, equivalents, and modifications that example is done are applied, should all be fallen in the range of technical solutions of the utility model protection.
Claims (10)
1. a kind of fixation cone valve with anti-cavitation decrease of noise functions, including water conservancy diversion over body case (1) and it is mounted on water conservancy diversion over body case
(1) the taper valve body (2) of inner cavity, it is characterised in that: the water conservancy diversion over body case (1) is equipped with closing flange (3) in downstream side,
The inner cavity of closing flange (3) and water conservancy diversion over body case (1) is collectively formed closing chamber (4), and the closing flange (3) is equipped with position
In the energy dissipating cylinder (5) in closing chamber (4), the energy dissipating cylinder (5) is equipped with the drainage cavity (51) being connected to closing flange (3), energy dissipating
Cylinder (5) in closed at one end close to taper valve body (2), energy dissipating cylinder (5) along peripheral wall offer it is multiple be evenly arranged for connecting
Hole (52) are clashed in the energy dissipating of logical closing chamber (4) and drainage cavity (51).
2. the fixation cone valve according to claim 1 with anti-cavitation decrease of noise functions, it is characterised in that: the energy dissipating pair
It hits hole (52) and is set as bellmouth, the bellmouth is greater than close to the aperture of closing chamber (4) side close to drainage cavity (51) side
Aperture.
3. the fixation cone valve according to claim 2 with anti-cavitation decrease of noise functions, it is characterised in that: the pod
Shell (1) is disposed around taper valve body in the guide shell (6) for being provided with both ends perforation in closing chamber (4), the guide shell (6)
(2) periphery in downstream side.
4. the fixation cone valve according to claim 3 with anti-cavitation decrease of noise functions, it is characterised in that: the guide shell
(6) multiple water conservancy diversion through-holes (61) being evenly arranged are offered along peripheral wall.
5. the fixation cone valve according to claim 4 with anti-cavitation decrease of noise functions, it is characterised in that: the pod
Shell (1) inner wall is equipped with connecting rib (11), and the guide shell (6) is fixed on connecting rib (11).
6. the fixation cone valve according to claim 5 with anti-cavitation decrease of noise functions, it is characterised in that: the energy dissipating cylinder
(5) guiding cone (7) are equipped in one end close to taper valve body (2), the miner diameter end of the guiding cone (7) is towards guide shell
(6)。
7. the fixation cone valve according to claim 6 with anti-cavitation decrease of noise functions, it is characterised in that: the deflection cone
There is inside body (7) cavity, connection guide shell (6) inner cavity and guiding cone (7) cavity are offered on the guiding cone (7)
Concora crush hole (71).
8. the fixation cone valve according to any one of claim 1 to 7 with anti-cavitation decrease of noise functions, feature exist
In: the closing flange (3) is formed with water conservancy diversion over body case (1) by bolt and is detachably connected.
9. the fixation cone valve according to any one of claim 1 to 7 with anti-cavitation decrease of noise functions, feature exist
In: it is offered impurity elimination operation port (12) on the water conservancy diversion over body case (1), lid (13) is installed on the impurity elimination operation port (12).
10. the fixation cone valve according to claim 8 with anti-cavitation decrease of noise functions, it is characterised in that: the water conservancy diversion
It is offered on over body case (1) impurity elimination operation port (12), lid (13) is installed on the impurity elimination operation port (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920177787.7U CN208907472U (en) | 2019-01-30 | 2019-01-30 | Fixation cone valve with anti-cavitation decrease of noise functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920177787.7U CN208907472U (en) | 2019-01-30 | 2019-01-30 | Fixation cone valve with anti-cavitation decrease of noise functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208907472U true CN208907472U (en) | 2019-05-28 |
Family
ID=66615019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920177787.7U Expired - Fee Related CN208907472U (en) | 2019-01-30 | 2019-01-30 | Fixation cone valve with anti-cavitation decrease of noise functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208907472U (en) |
-
2019
- 2019-01-30 CN CN201920177787.7U patent/CN208907472U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190528 Termination date: 20210130 |