CN203286009U - Electric rotation-free supercritical throttle valve - Google Patents
Electric rotation-free supercritical throttle valve Download PDFInfo
- Publication number
- CN203286009U CN203286009U CN2013203274521U CN201320327452U CN203286009U CN 203286009 U CN203286009 U CN 203286009U CN 2013203274521 U CN2013203274521 U CN 2013203274521U CN 201320327452 U CN201320327452 U CN 201320327452U CN 203286009 U CN203286009 U CN 203286009U
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- China
- Prior art keywords
- valve
- valve body
- spool
- pressing plate
- seat
- 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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- 238000012856 packing Methods 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 4
- 239000010959 steel Substances 0.000 claims abstract description 4
- 239000000945 filler Substances 0.000 claims description 15
- 210000003371 toe Anatomy 0.000 claims description 9
- 210000004907 gland Anatomy 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000003628 erosive effect Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Lift Valve (AREA)
- Mechanically-Actuated Valves (AREA)
- Sliding Valves (AREA)
Abstract
The utility model relates to the field of throttle valves, in particular to an electric rotation-free supercritical throttle valve. The electric rotation-free supercritical throttle valve comprises a valve body, a sealing ring, a valve seat, a flow equalizing cover, a valve element, a valve rod, a pressing plate locking mechanism, a guide mechanism, a bearing mechanism, a packing mechanism and a support. The valve seat is arranged in the valve body in a clearance fit mode. The valve body, the valve element and the valve seat are made of heat resistant steel F91. The electric rotation-free supercritical throttle valve has the advantages of being simple in design, convenient to maintain, capable of being used below 600 DEG C, capable of carrying out micro-adjustment on flow, good in abrasive resistance and erosion resistance and long in service life.
Description
Technical field
The utility model relates to the throttle valve field, particularly a kind of electronic overcritical throttle valve without spin.
Background technique
Throttle valve is by changing throttling cross section or chock length to control the valve of fluid flow.Outside shape structure and stop valve and the indistinction of throttle valve, just the shape of their open-shut device is different.It is streamlined that the open-shut device of throttle valve is mostly circular cone, changes channel cross-sectional area by it and reach adjust flux and pressure.Throttle valve is for do to reduce pressure medium in the great situation of Pressure Drop.
At present the throttle valve that adopts of state time generator group and boiler all exists to make and requires the shortcomings such as high, easy leakage, working life be short.Below traditional throttle valve design serviceability temperature 550 degree, valve body, spool, seat material adopt 12Cr1MoV, thus wear-resisting property and anti-erosion property poor.
Summary of the invention
In order to address the above problem, the utility model proposes a kind of electronic overcritical throttle valve without spin, easy to maintenance, easy to operate, adopt wear resistance and the good material of erosion wear resistance, increased working life.
, in order to reach the foregoing invention purpose, the utility model proposes scheme:
electronic overcritical throttle valve without spin, it comprises valve body, seal ring, valve seat, the current-sharing cover, spool, valve rod, the pressing plate locking mechanism, guide mechanism, gear mechanism, filling body and support, spool is positioned in the middle of valve body, it is between spool and valve body that valve seat is loaded on below spool, seal ring is housed below valve seat, the spool upper end connects valve rod, the current-sharing cover is equipped with in the spool outside, the spool top is filling body, filling body passes through pressing plate locking mechanism fixing and locking on valve body, guide mechanism is equipped with in pressing plate locking mechanism top, gear mechanism is equipped with in the guide mechanism top, gear mechanism is fixedly connected on valve body by bracket institution, support upper end support and connection gear mechanism lower end, the support lower end connects the valve body middle-end, valve rod is successively from filling body, pass in pressing plate locking mechanism and guide mechanism, screw in finally in connection bearing mechanism, described valve seat is that Spielpassung is arranged in valve body, the material of described valve body, spool and valve seat adopts refractory steel F91.
Described gear mechanism comprises bearing, Cock screw, bearing gland and Stem Mut, Stem Mut is tightened on the valve rod upper end, bearing is arranged on below Stem Mut, and namely between support and Stem Mut, bearing gland is pressed on bearing and by Cock screw and is fixed on support.
Described filling body comprises hold-down grid, filler, splits annulus, square toes rank end Cock screw and Packing seat, Packing seat is loaded on above the current-sharing cover, filler is loaded on above Packing seat, hold-down grid is positioned at above filler, hold-down grid also is pressed abd fixed on filler and Packing seat in valve body by the pressing plate locking mechanism, filler outside valve body top rail is to square toes rank end Cock screw is housed, and end Cock screw top in square toes rank is equipped with and is split annulus, is fixed on the valve body outside.
Described pressing plate locking mechanism comprises straight pin, swing bolt, spring washer and nut, and straight pin is connected to the swing bolt lower end on valve body, and hold-down grid is passed in the swing bolt upper end, and by nut and spring washer, hold-down grid is fixed on valve body.
Described guide mechanism comprises front guide plate, rear deflector and hex head bolt, and front guide plate and rear deflector are fixed together by hex head bolt, is enclosed within the valve rod outside, is located at the filling body top.
The utility model has the advantages that simplicity of design, easy to maintenance, can use below 600 degree, can regulate the trace of flow, have good wear resistance and erosion wear resistance, extend working life.
Description of drawings
Fig. 1 is schematic diagram of the present utility model.
Embodiment
, for the utility model is further illustrated, below in conjunction with Figure of description, be introduced:
with reference to accompanying drawing, electronic overcritical throttle valve without spin, it comprises valve body 1, seal ring 2, valve seat 3, current-sharing cover 4, spool 5, valve rod 6, the pressing plate locking mechanism, guide mechanism, gear mechanism, filling body and support 16, spool 5 is positioned in the middle of valve body 1, it is between spool 5 and valve body 1 that valve seat 3 is loaded on below spool 5, seal ring 2 is housed below valve seat 3, spool 5 upper ends connect valve rod 6, current-sharing cover 4 is equipped with in spool 5 outsides, spool 5 tops are filling bodies, filling body passes through pressing plate locking mechanism fixing and locking on valve body 1, guide mechanism is equipped with in pressing plate locking mechanism top, gear mechanism is equipped with in the guide mechanism top, gear mechanism is fixedly connected on valve body 1 by support 16, support 16 support and connection gear mechanism lower ends, upper end, support 16 lower ends connect valve body 1 middle-end, valve rod 6 is successively from filling body, pass in pressing plate locking mechanism and guide mechanism, screw in finally in connection bearing mechanism, described valve seat 3 is that Spielpassung is arranged in valve body 1, the material of described valve body 1, spool 5 and valve seat 3 adopts refractory steel F91.
Described gear mechanism comprises bearing 12, Cock screw 13, bearing gland 14 and Stem Mut 15, Stem Mut 15 is tightened on valve rod 6 upper ends, bearing 12 is arranged on below Stem Mut 15, be that between support 16 and Stem Mut 15, bearing gland 14 is pressed on bearing and by Cock screw 13 and is fixed on support 16.
Described filling body comprises hold-down grid 19, filler 20, splits annulus 21, square toes rank end Cock screw 22 and Packing seat 23, Packing seat 23 is loaded on above current-sharing cover 4, filler 20 is loaded on above Packing seat 23, hold-down grid 19 is positioned at above filler 20, hold-down grid 19 also is pressed abd fixed on filler 20 and Packing seat 23 in valve body 1 by the pressing plate locking mechanism, on filler 20 outside valve bodies 1, square toes rank end Cock screw 22 is housed laterally, end Cock screw 22 tops, square toes rank are equipped with and are split annulus 21, are fixed on valve body 1 outside.
Described pressing plate locking mechanism comprises straight pin 7, swing bolt 8, spring washer 9 and nut 10, straight pin 7 is connected to swing bolt 8 lower ends on valve body 1, hold-down grid 19 is passed in swing bolt 8 upper ends, and by nut 10 and spring washer 9, hold-down grid 19 is fixed on valve body 1.
Described guide mechanism comprises front guide plate 17, rear deflector 18 and hex head bolt 11, and front guide plate 17 and rear deflector 18 are enclosed within valve rod 6 outsides together by hex head bolt 11 is fixing, are located at the filling body top.
Claims (5)
1. electronic overcritical throttle valve without spin, it comprises valve body, seal ring, valve seat, the current-sharing cover, spool, valve rod, the pressing plate locking mechanism, guide mechanism, gear mechanism, filling body and support, spool is positioned in the middle of valve body, it is between spool and valve body that valve seat is loaded on below spool, seal ring is housed below valve seat, the spool upper end connects valve rod, the current-sharing cover is equipped with in the spool outside, the spool top is filling body, filling body passes through pressing plate locking mechanism fixing and locking on valve body, guide mechanism is equipped with in pressing plate locking mechanism top, gear mechanism is equipped with in the guide mechanism top, gear mechanism is fixedly connected on valve body by bracket institution, support upper end support and connection gear mechanism lower end, the support lower end connects the valve body middle-end, valve rod is successively from filling body, pass in pressing plate locking mechanism and guide mechanism, screw in finally in connection bearing mechanism, it is characterized in that described valve seat is that Spielpassung is arranged in valve body, the material of described valve body, spool and valve seat adopts refractory steel F91.
2. electronic overcritical throttle valve without spin according to claim 1, it is characterized in that described gear mechanism comprises bearing, Cock screw, bearing gland and Stem Mut, Stem Mut is tightened on the valve rod upper end, bearing is arranged on below Stem Mut, be that between support and Stem Mut, bearing gland is pressed on bearing and by Cock screw and is fixed on support.
3. electronic overcritical throttle valve without spin according to claim 1, it is characterized in that described filling body comprises hold-down grid, filler, splits annulus, square toes rank end Cock screw and Packing seat, Packing seat is loaded on above the current-sharing cover, filler is loaded on above Packing seat, hold-down grid is positioned at above filler, hold-down grid also is pressed abd fixed on filler and Packing seat in valve body by the pressing plate locking mechanism, filler outside valve body top rail is to square toes rank end Cock screw is housed, end Cock screw top, square toes rank is equipped with and is split annulus, is fixed on the valve body outside.
4. electronic overcritical throttle valve without spin according to claim 1, it is characterized in that described pressing plate locking mechanism comprises straight pin, swing bolt, spring washer and nut, straight pin is connected to the swing bolt lower end on valve body, hold-down grid is passed in the swing bolt upper end, and by nut and spring washer, hold-down grid is fixed on valve body.
5. electronic overcritical throttle valve without spin according to claim 1, it is characterized in that described guide mechanism comprises front guide plate, rear deflector and hex head bolt, front guide plate and rear deflector are fixed together by hex head bolt, are enclosed within the valve rod outside, are located at the filling body top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203274521U CN203286009U (en) | 2013-06-07 | 2013-06-07 | Electric rotation-free supercritical throttle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203274521U CN203286009U (en) | 2013-06-07 | 2013-06-07 | Electric rotation-free supercritical throttle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203286009U true CN203286009U (en) | 2013-11-13 |
Family
ID=49542371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203274521U Expired - Fee Related CN203286009U (en) | 2013-06-07 | 2013-06-07 | Electric rotation-free supercritical throttle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203286009U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964040A (en) * | 2015-07-03 | 2015-10-07 | 南通国电电站阀门有限公司 | Supercritical high-temperature and high-pressure solid-forged pneumatic drain throttle valve |
| CN107314116A (en) * | 2017-06-23 | 2017-11-03 | 南通国电电站阀门股份有限公司 | A kind of overcritical pneumatic cut-off throttle valve of heavy caliber pressure-releasing type |
-
2013
- 2013-06-07 CN CN2013203274521U patent/CN203286009U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104964040A (en) * | 2015-07-03 | 2015-10-07 | 南通国电电站阀门有限公司 | Supercritical high-temperature and high-pressure solid-forged pneumatic drain throttle valve |
| CN107314116A (en) * | 2017-06-23 | 2017-11-03 | 南通国电电站阀门股份有限公司 | A kind of overcritical pneumatic cut-off throttle valve of heavy caliber pressure-releasing type |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 226557, Taoyuan West Road, Chengnan street, Rugao City, Jiangsu, Nantong province 1 Patentee after: Nantong State Electric Power Valve Co., Ltd. Address before: 226557, Taoyuan West Road, Taoyuan Town, Nantong City, Jiangsu, Rugao 1 Patentee before: Nantong State Electric Power Valve Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 Termination date: 20200607 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |