CN201818809U - Automatic compensation two-way hard-sealing butterfly valve with movable valve seat - Google Patents
Automatic compensation two-way hard-sealing butterfly valve with movable valve seat Download PDFInfo
- Publication number
- CN201818809U CN201818809U CN2010205719920U CN201020571992U CN201818809U CN 201818809 U CN201818809 U CN 201818809U CN 2010205719920 U CN2010205719920 U CN 2010205719920U CN 201020571992 U CN201020571992 U CN 201020571992U CN 201818809 U CN201818809 U CN 201818809U
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- valve
- valve seat
- cyclizations
- valve body
- trim ring
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- 238000007789 sealing Methods 0.000 title abstract description 22
- 210000004907 gland Anatomy 0.000 claims abstract description 8
- 239000002131 composite material Substances 0.000 claims abstract description 5
- 238000007363 ring formation reaction Methods 0.000 claims description 29
- 230000000694 effects Effects 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 238000012856 packing Methods 0.000 abstract 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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Abstract
The utility model relates to an automatic compensation two-way hard-sealing butterfly valve with a movable valve seat, which comprises a valve body, a valve rod, the valve seat and a support, wherein the valve rod is arranged in the valve body, a butterfly plate is fixedly arranged in the middle of the valve rod through a cylindrical pin, a pressure plate is fixedly arranged on the butterfly plate through a hexagon socket head cap head screw, the upper end of the valve body is fixedly connected with the support through a hexagon head bolt and a spring washer, and a packing gland and a double-stage worm gear transmission device are arranged on the support; and the lower end of the valve body is fixedly connected with a bottom cover through the hexagon socket head cap head screw and a gasket, a composite bearing and a packing are arranged between the upper part of the valve body and the valve rod, the valve seat is arranged on the side of the valve body, in which the butterfly plate is built in, and a seal ring is arranged between the valve seat and the butterfly plate. The automatic compensation two-way hard-sealing butterfly valve has the benefits that when a damaged seal pair can be replaced; furthermore, zero-leakage sealing can be realized in positive and negative directions; and automatic compensation can be carried out after abrasion of the seal pair, and the compensation dosage can be regulated to realize permanent automatic compensation.
Description
Technical field
The utility model relates to a kind of automatic compensation activity valve seat two-way hard seal butterfly valve.
Background technique
At present, known automatic compensation activity valve seat two-way hard seal butterfly valve can only be realized sealing in the sealing direction of regulation, can not all realize sealing by positive and negative both direction; Sealing pair can not compensate after the sealing pair wearing and tearing automatically through switch and use for a long time; Butterfly valve in using, pipeline is restricted.The valve seat of known automatic compensation activity valve seat two-way hard seal butterfly valve and valve body are the integral type casting, can not change the sealing pair of butterfly valve when the prooving of valve seat with after damaging, and have a strong impact on the working life of butterfly valve.
The model utility content
The purpose of this utility model provides a kind of automatic compensation activity valve seat two-way hard seal butterfly valve, overcome known automatic compensation activity valve seat two-way hard seal butterfly valve can not positive and negative both direction all realize sealing with the sealing pair wearing and tearing after the deficiency that can not compensate automatically.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of automatic compensation activity valve seat two-way hard seal butterfly valve, comprise valve body, valve rod, valve seat and support, establish valve rod in the described valve body, the valve rod middle part is fixed with butterfly plate by straight pin, be fixed with pressing plate by the hexagon socket head fillister head screw on the butterfly plate, the valve body upper end is by hexagon head bolt and the fixedly connected support of spring washer, and support is provided with Gland and twin-stage worm gearing, and Gland is fixed by hexagon nut and stud; Valve body lower end connects bottom by hexagon socket head fillister head screw and spacers, the inboard jointing with bottom of valve body is provided with splits annulus, be provided with composite bearing and filler between valve body top and the valve rod, the side that valve body is built-in with butterfly plate is provided with valve seat, be provided with seal ring between valve seat and the butterfly plate, valve seat one end is by the fixedly connected valve seat trim ring of hexagon socket head fillister head screw, be equipped with valve seat insert between valve seat trim ring and the valve seat, valve seat trim ring outer end is provided with fixedly trim ring of four cyclizations and four cyclizations, and four cyclizations and four cyclizations fixedly trim ring are fixedlyed connected by hexagon head bolt; The valve seat the other end is provided with fixedly trim ring of valve seat trim ring, four cyclizations and four cyclizations, and four cyclizations and four cyclizations fixedly trim ring are fixedlyed connected by interior hexagonal flush end Cock screw, are provided with cylindroid helicalcoil compression spring between valve seat trim ring and four cyclizations.
The beneficial effects of the utility model are:
1, the utility model automatically the sealing pair of compensation activity valve seat two-way hard seal butterfly valve can change, wherein sealing pair is made of seal ring and valve seat, when sealing pair has replaceable sealing pair when damaging, prolongs the working life of butterfly valve;
2, the utility model can compensate after the wearing and tearing of compensation activity valve seat two-way hard seal butterfly valve sealing pair automatically automatically, and can regulate compensation rate, realizes permanent compensation automatically;
3, the utility model automatically the positive and negative both direction of compensation activity valve seat two-way hard seal butterfly valve can both realize sealing zero leakage.
Description of drawings
With reference to the accompanying drawings the utility model is described in further detail below.
Fig. 1 is the sectional view of the described automatic compensation activity valve seat two-way hard seal butterfly valve of the utility model embodiment;
Fig. 2 is the partial enlarged drawing of A among Fig. 1;
Fig. 3 is the partial enlarged drawing of B among Fig. 1.
Among the figure:
1, bottom; 2, hexagon socket head fillister head screw; 3, pad; 4, split annulus; 5, valve body; 6, hexagon head bolt; 7, valve seat insert; 8, hexagon socket head fillister head screw; 9, valve rod; 10, hexagon socket head fillister head screw; 11, pressing plate; 12, butterfly plate; 13, straight pin; 14, seal ring; 15, valve seat; 16, valve seat trim ring; 17, cylindroid helicalcoil compression spring; 18, four cyclizations; 19, interior hexagonal flush end Cock screw; 20, the fixing trim ring of four cyclizations; 21, composite bearing; 22, filler; 23, support; 24, hexagon head bolt; 25, spring washer; 26, Gland; 27, hexagon nut; 28, stud; 29, twin-stage worm gearing.
Embodiment
As Figure 1-3, the described a kind of automatic compensation activity valve seat two-way hard seal butterfly valve of the utility model embodiment, comprise valve body 5, valve rod 9, valve seat 15 and support 23, it is characterized in that: establish valve rod 9 in the described valve body 5, valve rod 9 middle parts are fixed with butterfly plate 12 by straight pin 13, be fixed with pressing plate 11 by hexagon socket head fillister head screw 10 on the butterfly plate 12, valve body 5 upper ends are by hexagon head bolt 24 and spring washer 25 fixedly connected supports 23, support 23 is provided with Gland 26 and twin-stage worm gearing 29, and Gland 26 is fixing by hexagon nut 27 and stud 28; Valve body 5 lower ends are by hexagon socket head fillister head screw 2 and pad 3 fixedly connected bottoms 1, valve body 5 inboard jointings with bottom 1 are provided with splits annulus 4, be provided with composite bearing 21 and filler 22 between valve body 5 tops and the valve rod 9, the side that valve body 5 is built-in with butterfly plate 12 is provided with valve seat 15, be provided with seal ring 14 between valve seat 15 and the butterfly plate 12, valve seat 15 1 ends are by hexagon socket head fillister head screw 8 fixedly connected valve seat trim rings 16, be equipped with valve seat insert 7 between valve seat trim ring 16 and the valve seat 15, valve seat trim ring 16 outer ends be provided with four cyclizations 18 and four cyclizations fixedly trim ring 20, four cyclizations 18 and four cyclizations fixedly trim ring 20 fixedly connected by hexagon head bolt 6; Valve seat 5 the other ends are provided with fixedly trim ring 20 of valve seat trim ring 16, four cyclizations 18 and four cyclizations, four cyclizations 18 and four cyclizations fixedly trim ring 20 are fixedlyed connected by interior hexagonal flush end Cock screw 19, are provided with cylindroid helicalcoil compression spring 17 between valve seat trim ring 16 and four cyclizations 18.
As shown in Figure 1, when butterfly valve bore pipeline medium from the backpressure turned left in the right side, under the active force of pipeline medium and cylindroid helicalcoil compression spring 17, valve seat 15 can form an effective seal specific pressure to seal ring 14; Meeting valve seat 15 can compensate automatically because the butterfly plate 12 that pressure medium causes is lifted the displacement amount realization sealing that plate and machining error and gap bring under the effect of cylindroid helicalcoil compression spring 17 simultaneously; To sum up 2 described, so the positive and negative both direction of this new type auto compensation activity valve seat two-way hard seal butterfly valve can both realize sealing zero leakage.
Shown in Fig. 2-3, when the sealing pair of seal ring 14 and valve seat 15 compositions wore and tore, valve seat 15 moved the automatic compensation that realizes sealing to seal ring 14 under the effect of cylindroid helicalcoil compression spring 17.When cylindroid helicalcoil compression spring 17 ineffective power, can realize again cylindroid helicalcoil compression spring 17 active forces, thereby reach the permanent purpose of compensation automatically by hexagonal flush end Cock screw 19 in regulating.
Claims (1)
1. automatic compensation activity valve seat two-way hard seal butterfly valve, comprise valve body (5), valve rod (9), valve seat (15) and support (23), it is characterized in that: establish valve rod (9) in the described valve body (5), valve rod (9) middle part is fixed with butterfly plate (12) by straight pin (13), butterfly plate (12) is gone up and is fixed with pressing plate (11) by hexagon socket head fillister head screw (10), valve body (5) upper end is by hexagon head bolt (24) and the fixedly connected support of spring washer (25) (23), support (23) is provided with Gland (26) and twin-stage worm gearing (29), and Gland (26) is fixing by hexagon nut (27) and stud (28); Valve body (5) lower end is by hexagon socket head fillister head screw (2) and the fixedly connected bottom of pad (3) (1), the inboard jointing with bottom (1) of valve body (5) is provided with splits annulus (4), be provided with composite bearing (21) and filler (22) between valve body (5) top and the valve rod (9), the side that valve body (5) is built-in with butterfly plate (12) is provided with valve seat (15), be provided with seal ring (14) between valve seat (15) and the butterfly plate (12), valve seat (15) one ends are by the fixedly connected valve seat trim ring of hexagon socket head fillister head screw (8) (16), be equipped with valve seat insert (7) between valve seat trim ring (16) and the valve seat (15), valve seat trim ring (16) outer end is provided with fixedly trim ring (20) of four cyclizations (18) and four cyclizations, and four cyclizations (18) and four cyclizations fixedly trim ring (20) are fixedlyed connected by hexagon head bolt (6); Valve seat (5) the other end is provided with fixedly trim ring (20) of valve seat trim ring (16), four cyclizations (18) and four cyclizations, four cyclizations (18) and four cyclizations fixedly trim ring (20) are fixedlyed connected by interior hexagonal flush end Cock screw (19), are provided with cylindroid helicalcoil compression spring (17) between valve seat trim ring (16) and four cyclizations (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205719920U CN201818809U (en) | 2010-07-05 | 2010-10-22 | Automatic compensation two-way hard-sealing butterfly valve with movable valve seat |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020247407.1 | 2010-07-05 | ||
| CN201020247407 | 2010-07-05 | ||
| CN2010205719920U CN201818809U (en) | 2010-07-05 | 2010-10-22 | Automatic compensation two-way hard-sealing butterfly valve with movable valve seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201818809U true CN201818809U (en) | 2011-05-04 |
Family
ID=43916761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205719920U Expired - Fee Related CN201818809U (en) | 2010-07-05 | 2010-10-22 | Automatic compensation two-way hard-sealing butterfly valve with movable valve seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201818809U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644763A (en) * | 2012-05-10 | 2012-08-22 | 温州蓝天管件阀门有限公司 | Valve seat structure with adjustable pretension |
| CN104315161A (en) * | 2014-10-16 | 2015-01-28 | 开封瑞科阀门有限公司 | Sealing ring and floating valve seat replaceable type ultralow temperature polytetrafluoroethylene sealed butterfly valve |
| CN104482228A (en) * | 2014-12-11 | 2015-04-01 | 天津国际机械有限公司 | Bidirectional metal seal hydraulic control butterfly valve |
| CN105626881A (en) * | 2014-10-31 | 2016-06-01 | 江苏神通阀门股份有限公司 | Valve seat structure for synthesis gas butterfly valve |
| CN106151544A (en) * | 2016-08-23 | 2016-11-23 | 欧冠阀门科技有限公司 | A kind of butterfly valve of double eccentric conical valve seat metal hard-sealing |
| CN107355548A (en) * | 2017-08-15 | 2017-11-17 | 王中杰 | The butterfly valve of double plate double-valve-seat bidirectional metal sealings |
| CN111649138A (en) * | 2019-03-04 | 2020-09-11 | 安徽大众阀门有限公司 | A kind of compensation butterfly valve and preparation method thereof |
| CN113339530A (en) * | 2021-05-11 | 2021-09-03 | 超达阀门集团股份有限公司 | Three-eccentric high-temperature butterfly valve with bidirectional sealing function |
| CN116221425A (en) * | 2023-03-17 | 2023-06-06 | 苏州博坦流体控制技术有限公司 | A Low Leakage High Temperature Butterfly Valve |
-
2010
- 2010-10-22 CN CN2010205719920U patent/CN201818809U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644763A (en) * | 2012-05-10 | 2012-08-22 | 温州蓝天管件阀门有限公司 | Valve seat structure with adjustable pretension |
| CN102644763B (en) * | 2012-05-10 | 2014-09-03 | 温州蓝天管件阀门有限公司 | Valve seat structure with adjustable pretension |
| CN104315161A (en) * | 2014-10-16 | 2015-01-28 | 开封瑞科阀门有限公司 | Sealing ring and floating valve seat replaceable type ultralow temperature polytetrafluoroethylene sealed butterfly valve |
| CN104315161B (en) * | 2014-10-16 | 2017-05-17 | 开封瑞科阀门有限公司 | Ultralow temperature polytetrafluoroethylene sealed butterfly valve with replaceable sealing ring and floating valve seat |
| CN105626881A (en) * | 2014-10-31 | 2016-06-01 | 江苏神通阀门股份有限公司 | Valve seat structure for synthesis gas butterfly valve |
| CN104482228A (en) * | 2014-12-11 | 2015-04-01 | 天津国际机械有限公司 | Bidirectional metal seal hydraulic control butterfly valve |
| CN106151544A (en) * | 2016-08-23 | 2016-11-23 | 欧冠阀门科技有限公司 | A kind of butterfly valve of double eccentric conical valve seat metal hard-sealing |
| CN107355548A (en) * | 2017-08-15 | 2017-11-17 | 王中杰 | The butterfly valve of double plate double-valve-seat bidirectional metal sealings |
| CN111649138A (en) * | 2019-03-04 | 2020-09-11 | 安徽大众阀门有限公司 | A kind of compensation butterfly valve and preparation method thereof |
| CN113339530A (en) * | 2021-05-11 | 2021-09-03 | 超达阀门集团股份有限公司 | Three-eccentric high-temperature butterfly valve with bidirectional sealing function |
| CN116221425A (en) * | 2023-03-17 | 2023-06-06 | 苏州博坦流体控制技术有限公司 | A Low Leakage High Temperature Butterfly Valve |
| CN116221425B (en) * | 2023-03-17 | 2025-08-19 | 苏州博坦流体控制技术有限公司 | Low-leakage high-temperature butterfly valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110504 Termination date: 20121022 |