CN206159640U - Depressurization assembly of angle type step -down governing valve - Google Patents
Depressurization assembly of angle type step -down governing valve Download PDFInfo
- Publication number
- CN206159640U CN206159640U CN201621039155.7U CN201621039155U CN206159640U CN 206159640 U CN206159640 U CN 206159640U CN 201621039155 U CN201621039155 U CN 201621039155U CN 206159640 U CN206159640 U CN 206159640U
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- CN
- China
- Prior art keywords
- down block
- decompression
- style
- angle
- hypertension
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a depressurization assembly of angle type step -down governing valve, depressurization assembly include the superimposed hypertension pill of a plurality of, the hypertension pill be provided with step down district and earial drainage district on its periphery, be provided with a plurality of step -down hole in the district that steps down, the hollow out construction of earial drainage district for setting up on the hypertension pill, the quantity in its step -down hole of a plurality of hypertension pill from the top down reduces in proper order, the step -down district and the dislocation of earial drainage district of two adjacent hypertension pills stack. The utility model discloses can adapt to the multi stage decompression under the high temperature high pressure.
Description
Technical field
The utility model is related to a kind of regulating valve, more particularly to a kind of down block of angle-style decompression regulating valve.
Background technology
Angular septum valve be for regulating valve in high pressure or High Pressure Difference, have the severe service bar of serious cavitation, erosion
The product that the serious problems such as short life, valve rod easy fracture, bushing be easy to fall off under part are developed.It is shared using throttling form
Pressure reduction, reduces cavitation erosion, erosion, flow disturbing destruction, substantially increases the service life of regulating valve.Valve body is square, and valve plug is
Sleeve stable steering, can avoid the excessive phenomenon such as do not open, be not closed completely of out-of-balance force.Existing angle type control valve often by
In Fluid pressure is excessive, antihypertensive effect is bad, cavitation and noise are produced.But existing angle type control valve is often due to fluid pressure
Power is excessive, antihypertensive effect is bad, produces cavitation and noise.
Utility model content
The purpose of this utility model is to provide a kind of down block of angle-style decompression regulating valve, under can adapt to HTHP
Multilevel decompression, and cypriot valve components open during its step-down rate of change be variable.
There is provided following technical scheme：A kind of down block of angle-style decompression regulating valve, including valve body, valve gap and valve rod,
The bottom of valve rod is provided with valve plug, and the side and bottom of valve body are respectively arranged with inlet and liquid outlet, described step-down group
Part is located at valve gap lower end, it is characterised in that：It is provided for fixing the fixation of down block between described down block and valve gap
Block, described down block include tubular structure stream cover, positioned at stream cover lower end and structure annular in shape step-down part,
Positioned at step-down lower and the base of body cavity bottom is connected to, described fixed block is threadedly coupled with body cavity
And it is butted on stream cover upper surface, described valve plug is placed in the stream cover of down block and is depressured the inwall of part and up and down movable sets
Put realization to open and closed, down block includes the hypertension pill of several superpositions, described hypertension pill is arranged on its periphery
There are depressor area and earial drainage area, several decompression holes be provided with depressor area, earial drainage area is the engraved structure arranged on hypertension pill,
The quantity of several hypertension pills its decompression hole from top to bottom is sequentially reduced, and the depressor area of two neighboring hypertension pill and earial drainage area misplace
Stack.
The utility model is further arranged to, and described depressor area and earial drainage area are in hypertension pill in multigroup setting, step-down
Area and earial drainage area interval setting.
The utility model is further arranged to, and described earial drainage area is arranged in the area of hypertension pill not less than depressor area.
The utility model is further arranged to, and is provided with end face corresponding with down block on described stream cover and passes through
The step-down metering orifice of decompression hole.
The utility model is further arranged to, and the periphery of described step-down part is also welded with and is socketed on each step-down
The collar of piece, the collar is used for sealing on the outside of hypertension pill.
The utility model is further arranged to, described fixed block and flow cover upper surface between be provided with pad and close
Feng Jian.
The utility model is further arranged to, and described stream covers and arranged on the upper and circumferential side wall of inlet correspondence position
The guiding surface for having and extending to inner side downwards.
The utility model is further arranged to, and on the described circumferential side wall for flowing cover several openings are provided with.
The utility model has the advantages that：Fluid is entered from inlet, when through down block, can be passed through
Multilevel decompression, valve plug can realize the regulation to valve body flow, and down block from top to bottom during up and down motion
During, because the quantity of hypertension pill decompression hole from top to bottom is gradually decreased, the step-down adjustment of precise treatment, valve can be realized
The step-down rate of change of plug is curvilinear structures.
Description of the drawings
Fig. 1 is the structural representation of regulating valve in the present embodiment；
Fig. 2 is the structural representation of down block in the present embodiment；
Fig. 3 a are the structural representation that cover vertical direction sectional view is flowed in the present embodiment；
Fig. 3 b are the structural representation of sectional view in the present embodiment；
Fig. 4 a, 4b, 4c, 4d are respectively the structural representation of multilevel decompression piece.
Label implication is as follows in figure：1- valve bodies；11- inlets；12- liquid outlets：2- valve gaps；3- end caps；4- fixed blocks；5-
Down block；51- flows cover；51a- openings；51b- is depressured metering orifice；51c- guiding surfaces；52- is depressured part；52a- drops
Nip；52b- earial drainages area；521- hypertension pills；522- decompression holes；53- bases：The 54- collars；6- valve rods；7- valve plugs；71- is reserved
Face.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to scope of the present utility model.
As shown in Figures 1 to 4, a kind of angle-style self sealss decompression regulating valve, including valve body 1, valve gap 2 and valve rod 6, valve rod 6
Bottom be provided with valve plug 7, the side and bottom of valve body 1 are respectively arranged with inlet 11 and liquid outlet 12, the outside of valve gap 2
It is provided with the end cap 3 for valve gap 2 to be fixedly connected on valve body 1；The lower end of valve gap 2 is fixedly installed down block 5, described drop
It is provided for fixing the fixed block 4 of down block 5 between pressure component 5 and valve gap 2, described down block 5 includes tubulose knot
The stream cover 51 of structure, positioned at the step-down part 52 of stream 51 lower ends of cover and structure annular in shape, positioned at the step-down lower end of part 52 and company
The base 53 of the inner chamber bottom of valve body 1 is connected to, described fixed block 4 covers 51 with being threadedly coupled on the inner chamber of valve body 1 and being butted on stream
Upper surface, described valve plug 7 is placed in upper and lower movable setting of the inwall of stream cover 51 and step-down part 52 of down block 5 and realizes
Open and closed.
As shown in Fig. 4 a, 4b, 4c, 4d, in the present embodiment, down block 5 includes the hypertension pill 521 of several superpositions, institute
The hypertension pill 521 stated is arranged at intervals with some groups of area identical depressor area 52a and earial drainage area 52b on its periphery, step-down
Several decompression holes 522 are provided with area 52a, earial drainage area 52b is the engraved structure arranged on hypertension pill 521, several drops
The quantity of its decompression hole 522 from top to bottom of compressing tablet 521 is sequentially reduced, the depressor area 52a of two neighboring hypertension pill 521 and earial drainage area
52b dislocation is stacked, and fluid sequentially passes through decompression hole and earial drainage area 52b when through multilevel decompression piece 521, realizes multilevel decompression.
Stream cover 51 on the circumferential side wall of the correspondence position of inlet 11 on be provided with and downwards to inner side extend guiding surface 51c,
Can be applied under hyperbaric environment and use, fluid through down block 5, the setting of guiding surface 51c can slowing down fluid to equal
On the compression shock of stream cover 51, stream cover 51 with the step-down stream that passes through decompression hole 522 is provided with the corresponding end face of down block 5
Metering-orifice 51b, fluid, can be after step-down metering orifice 51b, then through step-down part 52 after the side wall of stream cover 51 is reached
Step-down is realized, after eventually arriving at its inside circumference, is discharged from liquid outlet 12.The periphery of step-down part 52 is also welded with socket
In the collar 54 of each hypertension pill 521, the collar 54 is used to seal the outside of hypertension pill 521.
In the present embodiment, fixed block 4 and it is provided with pad and seal bond between the upper surface of stream cover 51 and (omits in accompanying drawing
Mark), ensure that down block 5 coordinates with the fixing seal before the inner chamber of valve body 1.
In the present embodiment, stream cover 51 circumferential side wall on be provided with several openings 51a, when valve gap 2 gradually up
During motion, the setting of opening 51a can be easy to regulating valve to realize directly circulation, and now valve is in non-step-down shape
State.
The utility model has the advantages that：Fluid is entered from inlet 11, when through down block 5, can
Through multilevel decompression, valve plug 7 can realize the regulation to the flow of valve body 1 during up and down motion, and down block 5 exists
During from top to bottom, because the quantity of the decompression hole 522 from top to bottom of hypertension pill 521 is gradually decreased, precision can be realized
The step-down adjustment of change, the step-down rate of change of valve plug 7 is curvilinear structures.
The above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from the utility model know-why, some improvement and modification, above-mentioned vacation can also be made
If these improve and modification also should be regarded as protection domain of the present utility model.
Claims (8)
1. a kind of down block of angle-style decompression regulating valve, including valve body, valve gap and valve rod, the bottom of valve rod is provided with valve
Plug, the side and bottom of valve body are respectively arranged with inlet and liquid outlet, and described down block is located at valve gap lower end, its feature
It is：It is provided for fixing the fixed block of down block between described down block and valve gap, described down block includes
Have the stream cover of tubular structure, positioned at the step-down part of stream cover lower end and structure annular in shape, positioned at step-down lower and company
The base of body cavity bottom is connected to, described fixed block covers upper surface with being threadedly coupled on body cavity and being butted on stream,
Described valve plug is placed in upper and lower movable setting of the inwall of the stream cover of down block and step-down part and realizes opening and closed, drops
Pressure component includes the hypertension pill of several superpositions, and described hypertension pill is provided with depressor area and earial drainage area on its periphery, drops
Be provided with several decompression holes on nip, earial drainage area is the engraved structure arranged on hypertension pill, several hypertension pills on to
The quantity of lower its decompression hole is sequentially reduced, and the depressor area of two neighboring hypertension pill and the dislocation of earial drainage area are stacked.
2. the down block of a kind of angle-style decompression regulating valve according to claim 1, it is characterised in that：Described depressor area
And earial drainage area in hypertension pill in multigroup setting, depressor area and earial drainage area interval setting.
3. the down block of a kind of angle-style decompression regulating valve according to claim 2, it is characterised in that：Described earial drainage area
Arrange not less than depressor area in the area of hypertension pill.
4. the down block of a kind of angle-style decompression regulating valve according to claim 1, it is characterised in that：Described stream cover
The step-down metering orifice for passing through decompression hole is provided with upper end face corresponding with down block.
5. the down block of a kind of angle-style decompression regulating valve according to claim 1, it is characterised in that：Described decompression portion
The periphery of part is also welded with the collar for being socketed on each hypertension pill, and the collar is used for sealing on the outside of hypertension pill.
6. the down block of a kind of angle-style decompression regulating valve according to claim 1, it is characterised in that：Described fixed block
Pad and seal bond are provided between the upper surface for flowing cover.
7. the down block of a kind of angle-style decompression regulating valve according to claim 1, it is characterised in that：Described stream cover
The guiding surface for being provided with the upper and circumferential side wall of inlet correspondence position and extending to inner side downwards.
8. the down block of a kind of angle-style decompression regulating valve according to claim 1, it is characterised in that：Described stream cover
Circumferential side wall on be provided with several openings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621039155.7U CN206159640U (en) | 2016-08-29 | 2016-08-29 | Depressurization assembly of angle type step -down governing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621039155.7U CN206159640U (en) | 2016-08-29 | 2016-08-29 | Depressurization assembly of angle type step -down governing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206159640U true CN206159640U (en) | 2017-05-10 |
Family
ID=58650531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621039155.7U Expired - Fee Related CN206159640U (en) | 2016-08-29 | 2016-08-29 | Depressurization assembly of angle type step -down governing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206159640U (en) |
-
2016
- 2016-08-29 CN CN201621039155.7U patent/CN206159640U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The East Village Industrial Road in Yongjia County Oubei town Wenzhou city Zhejiang province 325000 No. 4 Patentee after: Zhejiang union automatic control valve Co., Ltd. Address before: The East Village Industrial Road in Yongjia County Oubei town Wenzhou city Zhejiang province 325000 No. 4 Patentee before: Yongjia auto control valve Co., Ltd. |
|
| 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: 20170510 Termination date: 20190829 |