CN204387352U - A kind of wide sealing is to folder butterfly valve - Google Patents
A kind of wide sealing is to folder butterfly valve Download PDFInfo
- Publication number
- CN204387352U CN204387352U CN201420771784.3U CN201420771784U CN204387352U CN 204387352 U CN204387352 U CN 204387352U CN 201420771784 U CN201420771784 U CN 201420771784U CN 204387352 U CN204387352 U CN 204387352U
- Authority
- CN
- China
- Prior art keywords
- valve
- shaped
- valve seat
- valve rod
- dish plate
- 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
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 17
- 238000005498 polishing Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model relates to a kind of wide sealing to folder butterfly valve, described valve seat is one-body molded wide the seal valve seat made of rubber, in the middle part of valve seat, upper end radial direction is shaped with a stem sleeve coordinated with valve rod, and this stem sleeve embeds in the made valve rod mounting hole in valve body top; The axial two ends outer rim of valve seat is all shaped with edge bulge loop, the interior side ring surface of this edge bulge loop coated valve body radial end face, and is shaped with the radial end face that an outer positioning convex ring embeds valve end in the outer of edge bulge loop; Be shaped with a cambered surface coaxially arched upward in the middle part of valve base inner wall protruding, the inner radial wall of this cambered surface projection coordinates effective sealing to block runner with dish plate; Be shaped with a bracing ring outside cambered surface projection, this bracing ring is inlaid in the corresponding middle part annular groove made of valve seat.The utility model is convenient to install, and structural strength is high, good seal performance, promotes packaging efficiency, effectively prevents from revealing occurring, and structure is simple, valve long service life.
Description
Technical field
The utility model belongs to valve field, and especially a kind of wide sealing is to folder butterfly valve.
Background technique
Engineering pipeline transportation art valve use widely, the basic structure of present valve is co-axial seal setting-in valve seat in valve body, radial installation valve rod on valve body, valve rod in valve body is fixedly mounted with dish plate, dish plate coordinates with valve base sealing, dish plate rotation or movement thus the runner opened and closed in valve seat under the driving of valve rod.Valve body outer radial is shaped with multiple flange plate for being connected with pipeline, and flange plate is shaped with bolt mounting holes.Now, the sealing surface of valve seat normally adopts sulfuration process to be attached to fixed in valve body, and compared with cold setting process step, vulcanizing treatment is longer for process time, and work efficiency is low.
Model utility content
The purpose of this utility model is to overcome the deficiencies in the prior art part, provide a kind of reasonable in design, structure is simple, wide sealing of easy to operate, long service life be to folder butterfly valve.
The utility model solves its technical problem and takes following technological scheme to realize:
A kind of wide sealing is to folder butterfly valve, comprise valve body, valve rod, valve seat, dish plate and locating stud, in the middle part of valve body, longitudinally a valve rod is installed, valve seat is axially installed with in valve body, on valve rod in valve seat, radial direction is provided with dish plate, this dish plate is fixedly mounted with by centralized positioning pin and valve rod, it is characterized in that:
Described valve seat is one-body molded wide the seal valve seat made of rubber, and in the middle part of valve seat, upper end radial direction is shaped with a stem sleeve coordinated with valve rod, and this stem sleeve embeds in the made valve rod mounting hole in valve body top;
The axial two ends outer rim of valve seat is all shaped with edge bulge loop, the interior side ring surface of this edge bulge loop coated valve body radial end face, and is shaped with the radial end face that an outer positioning convex ring embeds valve end in the outer of edge bulge loop; Be shaped with a cambered surface coaxially arched upward in the middle part of valve base inner wall protruding, the inner radial wall of this cambered surface projection coordinates effective sealing to block runner with dish plate; Be shaped with a bracing ring outside cambered surface projection, this bracing ring is inlaid in the corresponding middle part annular groove made of valve seat.
And described valve outer wall spaced radial is shaped with multiple mounting plate, on the plurality of mounting plate, equal symmetry is shaped with elongated hole.
And described valve rod top is round bar, valve rod lower end is made as positive six prism structures, and the valve rod of these positive six prismatic parts is coaxially inlaid in regular hexagon valve rod mounting hole made in the middle part of dish plate; Dish plate is double-sided symmetrical structure; Dish plate outer rim adopts polishing treatment to be hemisphere face.
Advantage of the present utility model and good effect are:
1, the support performance of the rubber gasket of this butterfly valve is good, firmly stable, simple and compact for structure, effectively prevents from revealing occurring, ensure to support moment not yielding again, machining accuracy is high, and valve seat is not yielding, the deformation effects such as tolerance is little, the expansion upheaval of valve seat are little, the long service life of valve seat.
2, the utility model is convenient to install, and structural strength is high, good seal performance, obviously promotes packaging efficiency, and structure is simple, valve long service life.
Accompanying drawing explanation
Fig. 1 is the utility model structural front view;
Fig. 2 cuts open right elevation in Fig. 1;
Fig. 3 is the A portion partial enlarged drawing of Fig. 2.
Embodiment
Below in conjunction with accompanying drawing, also by specific embodiment, the utility model is described in further detail, and following examples are descriptive, are not determinate, can not limit protection domain of the present utility model with this.
A kind of wide sealing is to folder butterfly valve, comprise valve body 2, valve rod 1, valve seat 4, dish plate 5 and locating stud 6, in the middle part of valve body, longitudinally a valve rod is installed, in valve body, is axially installed with valve seat, on valve rod in valve seat, radial direction is provided with dish plate, and this dish plate is fixedly mounted with by centralized positioning pin and valve rod.
Valve outer wall spaced radial is shaped with multiple mounting plate 3, and on the plurality of mounting plate, equal symmetry is shaped with elongated hole, is convenient to be connected with piping flange.
Innovative point of the present utility model is:
Described valve rod top is round bar, and valve rod lower end is made as positive six prism structures, and the valve rod of these positive six prismatic parts is coaxially inlaid in regular hexagon valve rod mounting hole made in the middle part of dish plate; Dish plate is double-sided symmetrical structure, and dish plate smooth surface is smooth, the rotation under the twisting force of valve rod of dish plate, thus the keying of control valve; Dish plate outer rim adopts polishing treatment to be hemisphere face, reduces operational torque, dish plate and being sealed and matched of valve seat when ensureing sealing.
Described valve seat is one-body molded wide the seal valve seat made of rubber, in the middle part of valve seat, upper end radial direction is shaped with a stem sleeve coordinated with valve rod 9, this stem sleeve embeds in the made valve rod mounting hole in valve body top and strengthens valve seat installation stability, this stem sleeve strengthens valve stem seal, reduces valve rod moment of torsion.
Shown in accompanying drawing 3, the axial two ends outer rim of valve seat is all shaped with edge bulge loop 8, the interior side ring surface of this edge bulge loop coated valve body radial end face, and the radial end face being shaped with that in the outer of edge bulge loop an outer positioning convex ring embeds valve end, effectively ensure the positioning precision of valve seat.
Be shaped with a cambered surface coaxially arched upward in the middle part of valve base inner wall protruding, the inner radial wall of this cambered surface projection coordinates effective sealing to block runner with dish plate;
In order to ensure installation precision and the stability of valve seat further, a bracing ring 11 is shaped with outside cambered surface projection, this bracing ring is inlaid in the corresponding middle part annular groove made of valve seat, effectively prevent valve seat from moving axially, good stability, and middle part is shaped with the valve seat intensity of bracing ring greatly, avoids valve seat to swell and be out of shape.
This valve seat adopts assembling mode of colding pressing to install.
Although disclose embodiment of the present utility model and accompanying drawing for the purpose of illustration, but it will be appreciated by those skilled in the art that: in the spirit and scope not departing from the utility model and claims, various replacement, change and amendment are all possible, therefore, scope of the present utility model is not limited to the content disclosed in embodiment and accompanying drawing.
Claims (3)
1. one kind wide sealing is to folder butterfly valve, comprise valve body, valve rod, valve seat, dish plate and locating stud, in the middle part of valve body, longitudinally a valve rod is installed, valve seat is axially installed with in valve body, on valve rod in valve seat, radial direction is provided with dish plate, this dish plate is fixedly mounted with by centralized positioning pin and valve rod, it is characterized in that:
Described valve seat is one-body molded wide the seal valve seat made of rubber, and in the middle part of valve seat, upper end radial direction is shaped with a stem sleeve coordinated with valve rod, and this stem sleeve embeds in the made valve rod mounting hole in valve body top;
The axial two ends outer rim of valve seat is all shaped with edge bulge loop, the interior side ring surface of this edge bulge loop coated valve body radial end face, and is shaped with the radial end face that an outer positioning convex ring embeds valve end in the outer of edge bulge loop; Be shaped with a cambered surface coaxially arched upward in the middle part of valve base inner wall protruding, the inner radial wall of this cambered surface projection coordinates effective sealing to block runner with dish plate; Dish plate outer rim adopts polishing treatment to be hemisphere face.
2. wide sealing according to claim 1 is to folder butterfly valve, and it is characterized in that: described valve outer wall spaced radial is shaped with multiple mounting plate, on the plurality of mounting plate, equal symmetry is shaped with elongated hole.
3. wide sealing according to claim 1 is to folder butterfly valve, it is characterized in that: described valve rod top is round bar, valve rod lower end is made as positive six prism structures, and the valve rod of these positive six prismatic parts is coaxially inlaid in regular hexagon valve rod mounting hole made in the middle part of dish plate; Dish plate is double-sided symmetrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420771784.3U CN204387352U (en) | 2014-12-09 | 2014-12-09 | A kind of wide sealing is to folder butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420771784.3U CN204387352U (en) | 2014-12-09 | 2014-12-09 | A kind of wide sealing is to folder butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204387352U true CN204387352U (en) | 2015-06-10 |
Family
ID=53360074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420771784.3U Expired - Fee Related CN204387352U (en) | 2014-12-09 | 2014-12-09 | A kind of wide sealing is to folder butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204387352U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339444A (en) * | 2017-02-10 | 2017-11-10 | 上海冠龙阀门自控有限公司 | It is a kind of with broadside backrest type rubber valve seat sealing structure to pressing from both sides butterfly valve |
| CN110206898A (en) * | 2019-07-04 | 2019-09-06 | 湖南联诚轨道装备有限公司 | A kind of rail locomotive butterfly valve |
-
2014
- 2014-12-09 CN CN201420771784.3U patent/CN204387352U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339444A (en) * | 2017-02-10 | 2017-11-10 | 上海冠龙阀门自控有限公司 | It is a kind of with broadside backrest type rubber valve seat sealing structure to pressing from both sides butterfly valve |
| CN110206898A (en) * | 2019-07-04 | 2019-09-06 | 湖南联诚轨道装备有限公司 | A kind of rail locomotive 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 |
Granted publication date: 20150610 Termination date: 20161209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |