CN205298695U - Butterfly valve sealed firmly with end contrary mechanism - Google Patents
Butterfly valve sealed firmly with end contrary mechanism Download PDFInfo
- Publication number
- CN205298695U CN205298695U CN201521066558.6U CN201521066558U CN205298695U CN 205298695 U CN205298695 U CN 205298695U CN 201521066558 U CN201521066558 U CN 201521066558U CN 205298695 U CN205298695 U CN 205298695U
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- CN
- China
- Prior art keywords
- valve
- inserting column
- plate
- intermediate bar
- limiting plate
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model belongs to the valve field especially relates to a butterfly valve sealed firmly with end contrary mechanism, its characterized in that: the fixed plate is fixed in in the valve body cavity and its be located the fluid issuing side of valve plate, it is located to end contrary board in the valve body cavity and its be located the fluid issuing side of fixed plate, the first limiting plate of intermediate lever is located the fluid entrance side of fixed plate and its with the one end of intermediate lever links to each other, intermediate lever second limiting plate is located the fluid issuing side of ending contrary board and its other end with the intermediate lever is continuous, on insert the top that the post is located the intermediate lever, on insert the post one end be fixed in on the fixed plate and its other end pass and end contrary board and insert the post limiting plate on with and link to each other, the one end of underthrust post is fixed in and its other end passes only contrary board and underthrust post limiting plate links to each other on the fixed plate, set up the last through -hole that is located the intermediate lever top on the fixed plate and set up the lower through -hole that is located the intermediate lever below.
Description
Technical field
This utility model belongs to valve field, particularly relates to a kind of hard seal butterfly valve with non-return mechanism.
Background technology
Valve is the control parts in fluid delivery system, has cut-off, adjustment, water conservancy diversion, prevents the functions such as adverse current, voltage stabilizing, shunting or overflow pressure relief. Hard seal butterfly valve is again flap valve, is the adjustment valve of a kind of simple in construction, simultaneously can be used for the on-off control of low pressure pipeline medium. Hard seal butterfly valve acts primarily as cut-out and throttling action on pipeline. Butterfly valve opening and closing element is a discoidal butterfly plate, rotates around the axis of himself in valve body, thus reaching the purpose opening and closing or regulating. Hard seal butterfly valve is smelted on the pipeline carrying various corrosivity, non-corrosive fluids medium engineering and generation environment-friendly system suitable in producer, coal gas, steam, natural gas, town gas, air, chemical industry, for regulating and block the flowing of medium. Hard seal butterfly valve can be divided into manual hard seal butterfly valve, pneumatic hard seal butterfly valve, electronic hard seal butterfly valve.
Existing hard seal butterfly valve does not have non-return mechanism, it is impossible to realize stopping that fluid drives in the wrong direction, therefore, it is necessary to prior art is improved.
Summary of the invention
This utility model is for above-mentioned technical problem, it is provided that a kind of hard seal butterfly valve with non-return mechanism stopping that fluid drives in the wrong direction.
The technical scheme that this utility model adopts is:
A kind of hard seal butterfly valve with non-return mechanism, it is characterized in that: include valve body, valve plate, valve rod, valve rod rotation control mechanism, fixing plate, retaining board, intermediate bar, intermediate bar the first limiting plate, intermediate bar the second limiting plate, upper inserting column, lower inserting column, upper inserting column limiting plate, lower inserting column limiting plate, the inside of described valve body offers valve cavity, described valve plate is positioned at described valve cavity and it is fixed on described valve rod, the upper end of described valve rod is connected with the valve rod rotation control mechanism being arranged at above valve body, the lower end of described valve rod is fixed in described valve body, described fixing plate is fixed in described valve cavity and it is positioned at the fluid issuing side of described valve plate, described retaining board is positioned at described valve cavity and it is positioned at the fluid issuing side of described fixing plate, described intermediate bar is arranged in described fixing plate, in retaining board, the length of described intermediate bar is more than described fixing plate, the thickness sum of retaining board, described intermediate bar the first limiting plate is positioned at the fluid inlet side of described fixing plate and it is connected with one end of described intermediate bar, described intermediate bar the second limiting plate is positioned at the fluid issuing side of described retaining board and it is connected with the other end of described intermediate bar, described upper inserting column is positioned at the top of described intermediate bar, one end of described upper inserting column is fixed on described fixing plate and its other end is connected through retaining board with upper inserting column limiting plate, the length of described upper inserting column is more than the thickness of described retaining board, described lower inserting column is positioned at the lower section of described intermediate bar, one end of described lower inserting column is fixed on described fixing plate and its other end is connected through retaining board with lower inserting column limiting plate, the length of described lower inserting column is more than the thickness of described retaining board, described fixing plate offers the upper through hole above centrally located bar and offers the lower through-hole below centrally located bar.
Described retaining board is fixed with the first sealing-plug, the second sealing-plug towards the side of fixing plate, and described first sealing-plug is inserted in described upper through hole, and described second sealing-plug is inserted in described lower through-hole.
Described upper through hole, lower through-hole are cylindricality through hole, and described first sealing-plug, the second sealing-plug are tapered.
The beneficial effects of the utility model are:
1, fix plate in this utility model, retaining board defines non-return mechanism, when valve plate is in opening, fluid is along upper through hole, lower through-hole and flows out through fixing gap between plate, retaining board, when fluid drives in the wrong direction, fixing plate, retaining board fit together, and stop that fluid drives in the wrong direction;
2, the setting of intermediate bar, intermediate bar the first limiting plate, intermediate bar the second limiting plate, can ensure that retaining board moves flexibly, can prevent again retaining board from departing from fixing plate;
3, the setting of upper inserting column, lower inserting column, fixing plate will not spin;
4, the setting of upper inserting column limiting plate, lower inserting column limiting plate, it is prevented that retaining board departs from fixing plate;
5, when fluid drives in the wrong direction, the first sealing-plug, the second sealing-plug block through hole, lower through-hole respectively, and sealing effectiveness is good.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail:
In figure, 1-valve body, 2-valve plate, 3-valve rod, 4-valve rod rotation control mechanism, 5-fixes plate, 6-retaining board, 7-intermediate bar, 8-intermediate bar the first limiting plate, 9-intermediate bar the second limiting plate, the upper inserting column of 10-, inserting column under 11-, the upper inserting column limiting plate of 12-, inserting column limiting plate under 13-, 14-valve cavity, the upper through hole of 15-, 16-lower through-hole, 17-the first sealing-plug, 18-the second sealing-plug.
Embodiment
As shown in Figure 1, a kind of hard seal butterfly valve with non-return mechanism, including valve body 1, valve plate 2, valve rod 3, valve rod rotation control mechanism 4, fixing plate 5, retaining board 6, intermediate bar 7, intermediate bar the first limiting plate 8, intermediate bar the second limiting plate 9, upper inserting column 10, lower inserting column 11, upper inserting column limiting plate 12, lower inserting column limiting plate 13, the inside of valve body 1 offers valve cavity 14, valve plate 2 is positioned at valve cavity 14 and it is fixed on valve rod 3, the upper end of valve rod 3 is connected with the valve rod rotation control mechanism 4 being arranged at above valve body 1, the lower end of valve rod 3 is fixed in valve body 1, fixing plate 5 is fixed in valve cavity 14 and it is positioned at the fluid issuing side of valve plate 2, retaining board 6 is positioned at valve cavity 14 and it is positioned at the fluid issuing side of fixing plate 5, intermediate bar 7 is arranged in fixing plate 5, in retaining board 6, the length of intermediate bar 7 is more than fixing plate 5, the thickness sum of retaining board 6, intermediate bar the first limiting plate 8 is positioned at the fluid inlet side of fixing plate 5 and it is connected with one end of intermediate bar 7, intermediate bar the second limiting plate 9 is positioned at the fluid issuing side of retaining board 6 and it is connected with the other end of intermediate bar 7, the top of the centrally located bar 7 of upper inserting column 10, one end of upper inserting column 10 is fixed on fixing plate 5 and its other end is connected through retaining board 6 with upper inserting column limiting plate 12, the length of upper inserting column 10 is more than the thickness of retaining board 6, the lower section of the centrally located bar 7 of lower inserting column 11, one end of lower inserting column 11 is fixed on fixing plate 5 and its other end is connected through retaining board 6 with lower inserting column limiting plate 13, the length of lower inserting column 11 is more than the thickness of retaining board 6, fixing plate 5 offers the upper through hole 15 above centrally located bar 7 and offers the lower through-hole 16 below centrally located bar 7.
Retaining board 6 is fixed with first sealing-plug the 17, second sealing-plug 18 towards the side of fixing plate 5, and the first sealing-plug 17 is inserted in through hole 15, and the second sealing-plug 18 is inserted in lower through-hole 16.
Upper through hole 15, lower through-hole 16 are cylindricality through hole, and first sealing-plug the 17, second sealing-plug 18 is tapered.
Above 1 embodiment of the present utility model is described in detail, but described content has been only preferred embodiment of the present utility model, it is impossible to be considered for limiting practical range of the present utility model. All equalizations made according to this utility model application range change and improvement etc., all should still belong within patent covering scope of the present utility model.
Claims (3)
1. a hard seal butterfly valve with non-return mechanism, it is characterized in that: include valve body, valve plate, valve rod, valve rod rotation control mechanism, fixing plate, retaining board, intermediate bar, intermediate bar the first limiting plate, intermediate bar the second limiting plate, upper inserting column, lower inserting column, upper inserting column limiting plate, lower inserting column limiting plate, the inside of described valve body offers valve cavity, described valve plate is positioned at described valve cavity and it is fixed on described valve rod, the upper end of described valve rod is connected with the valve rod rotation control mechanism being arranged at above valve body, the lower end of described valve rod is fixed in described valve body, described fixing plate is fixed in described valve cavity and it is positioned at the fluid issuing side of described valve plate, described retaining board is positioned at described valve cavity and it is positioned at the fluid issuing side of described fixing plate, described intermediate bar is arranged in described fixing plate, in retaining board, the length of described intermediate bar is more than described fixing plate, the thickness sum of retaining board, described intermediate bar the first limiting plate is positioned at the fluid inlet side of described fixing plate and it is connected with one end of described intermediate bar, described intermediate bar the second limiting plate is positioned at the fluid issuing side of described retaining board and it is connected with the other end of described intermediate bar, described upper inserting column is positioned at the top of described intermediate bar, one end of described upper inserting column is fixed on described fixing plate and its other end is connected through retaining board with upper inserting column limiting plate, the length of described upper inserting column is more than the thickness of described retaining board, described lower inserting column is positioned at the lower section of described intermediate bar, one end of described lower inserting column is fixed on described fixing plate and its other end is connected through retaining board with lower inserting column limiting plate, the length of described lower inserting column is more than the thickness of described retaining board, described fixing plate offers the upper through hole above centrally located bar and offers the lower through-hole below centrally located bar.
2. a kind of hard seal butterfly valve with non-return mechanism according to claim 1, it is characterized in that: described retaining board is fixed with the first sealing-plug, the second sealing-plug towards the side of fixing plate, described first sealing-plug is inserted in described upper through hole, and described second sealing-plug is inserted in described lower through-hole.
3. a kind of hard seal butterfly valve with non-return mechanism according to claim 2, it is characterised in that: described upper through hole, lower through-hole are cylindricality through hole, and described first sealing-plug, the second sealing-plug are tapered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521066558.6U CN205298695U (en) | 2015-12-18 | 2015-12-18 | Butterfly valve sealed firmly with end contrary mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521066558.6U CN205298695U (en) | 2015-12-18 | 2015-12-18 | Butterfly valve sealed firmly with end contrary mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205298695U true CN205298695U (en) | 2016-06-08 |
Family
ID=56471597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521066558.6U Expired - Fee Related CN205298695U (en) | 2015-12-18 | 2015-12-18 | Butterfly valve sealed firmly with end contrary mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205298695U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895159A (en) * | 2015-12-18 | 2017-06-27 | 纽威阀门有限公司 | A kind of Novel hard-seal butterfly valve |
-
2015
- 2015-12-18 CN CN201521066558.6U patent/CN205298695U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895159A (en) * | 2015-12-18 | 2017-06-27 | 纽威阀门有限公司 | A kind of Novel hard-seal butterfly valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160608 Termination date: 20171218 |