CN207229783U - A kind of three-eccentric-butterfly-valve sealing ring and a kind of three-eccentric-butterfly-valve - Google Patents
A kind of three-eccentric-butterfly-valve sealing ring and a kind of three-eccentric-butterfly-valve Download PDFInfo
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- CN207229783U CN207229783U CN201720386574.6U CN201720386574U CN207229783U CN 207229783 U CN207229783 U CN 207229783U CN 201720386574 U CN201720386574 U CN 201720386574U CN 207229783 U CN207229783 U CN 207229783U
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- butterfly
- valve
- sealing ring
- eccentric
- ring
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- 238000007789 sealing Methods 0.000 title claims abstract description 85
- 239000000945 filler Substances 0.000 claims description 11
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000007906 compression Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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Abstract
A kind of three-eccentric-butterfly-valve sealing ring and a kind of three-eccentric-butterfly-valve are the utility model is related to, the three-eccentric-butterfly-valve sealing ring includes the sealing ring with seal ring seal face, is circular rings when sealing ring is uncompressed；The three-eccentric-butterfly-valve includes above-mentioned three-eccentric-butterfly-valve sealing ring, its is easy to process, and is easily guaranteed that machining accuracy, improves an assembly yield；Its sealed reliable, simple and reasonable, production cost is low, service life length.
Description
Technical field
It the utility model is related to valve technology field, and in particular to a kind of three-eccentric-butterfly-valve sealing ring and a kind of three eccentricity butterfly
Valve.
Background technology
At present, with the development of valve gate technology, three-eccentric-butterfly-valve obtains increasingly being to be widely applied.
Existing three-eccentric-butterfly-valve, its sealing ring generally use three eccentricity structure, it is more in the presence of processing consuming man-hour, and adds
Work required precision is high, the problems such as an assembly yield is low.
Utility model content
It is existing to solve the purpose of this utility model is to provide a kind of three-eccentric-butterfly-valve sealing ring and a kind of three-eccentric-butterfly-valve
Processing present in some three-eccentric-butterfly-valves expends man-hour, and requirement on machining accuracy is high, the problems such as an assembly yield is low.
To achieve the above object, on the one hand the utility model provides a kind of three-eccentric-butterfly-valve sealing ring, including with sealing
The sealing ring of ring sealing surface, is circular rings when sealing ring is uncompressed.
Alternatively, seal ring seal face is the outer edge surface in the section of sealing ring.
Alternatively, seal ring seal face is semicircle.
Alternatively, it is non-circular after sealing ring is compressed.
On the other hand the utility model provides a kind of three-eccentric-butterfly-valve, including valve body, be provided with main shaft in valve body, in valve body
Runner inner cavity is provided with, runner inner cavity is provided with butterfly plate, is set on butterfly plate inclined just like three described in the utility model one side
Heart butterfly valve seal ring.
Alternatively, valve seat is provided with valve body, heap is welded with wearable hard alloy on valve seat.
Alternatively, sealing surface of seat is provided with valve seat, after sealing ring is compressed, seal ring seal face and sealing surface of seat
Fit, form linear sealing structure.
Alternatively, the outside of the upper and lower part of main shaft is arranged with axle sleeve respectively, and filler sky is respectively arranged with the outside of axle sleeve
Gap, is respectively arranged with filler in filler gap, the middle part of main shaft is provided with the key being connected with butterfly plate.
Alternatively, sealing ring is provided with sealing ring inner ring, and butterfly plate boss outer rim, sealing ring inner ring and butterfly are provided with butterfly plate
Gap is set between plate boss outer rim.
Alternatively, sealing ring is provided with sealing ring end face, is provided with the position abutted against on butterfly plate with sealing ring end face
Butterfly plate end face, is provided with annular groove on butterfly plate end face, gasket seal is set in annular groove.
The utility model method has the following advantages that：
The three-eccentric-butterfly-valve sealing ring and three-eccentric-butterfly-valve of the utility model, can solve existing three-eccentric-butterfly-valve and be deposited
Processing expend man-hour, and requirement on machining accuracy is high, the problems such as an assembly yield is low；It is by using the close of circular rings
Seal ring, makes it easy to process, and is easily guaranteed that machining accuracy, improves an assembly yield；Its sealed reliable, conjunction simple in structure
Reason, production cost bottom, service life length.
Brief description of the drawings
Fig. 1 is the structure diagram of the three-eccentric-butterfly-valve sealing ring of the utility model；
Fig. 2 be the three-eccentric-butterfly-valve sealing ring of the utility model compression before and after state vs' schematic diagram；
Fig. 3 is the whole valve assembling structure schematic diagram of the three-eccentric-butterfly-valve of the utility model；
Fig. 4 is the butterfly plate structure diagram of the three-eccentric-butterfly-valve of the utility model；
Fig. 5 is partial structurtes enlarged diagram at the S of the sealing state of the three-eccentric-butterfly-valve of the utility model.
In figure, 1 is valve body, and 101 be runner inner cavity, and 102 be valve seat, and 103 be sealing surface of seat, and 104 close for abrasion-resistive hard
Gold, 2 be main shaft, and 3 be butterfly plate, and 301 be annular groove, and 302 be butterfly plate boss outer rim, and 303 be butterfly plate end face, and 4 be sealing ring, 401
It is sealing ring inner ring for seal ring seal face, 402,403 be sealing ring end face, and 5 be axle sleeve, and 6 be filler, and 7 be key, and 8 be sealing
Gasket, 9 be gap.
Embodiment
The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.
Embodiment 1
A kind of three-eccentric-butterfly-valve sealing ring, as depicted in figs. 1 and 2, including the sealing ring 4 with seal ring seal face 401,
It is circular rings when sealing ring 4 is uncompressed.
As it can be seen that the three-eccentric-butterfly-valve sealing ring of the present embodiment, it makes it easy to add by using the sealing ring of circular rings
Work, and it is easily guaranteed that machining accuracy, improve an assembly yield.
Embodiment 2
A kind of three-eccentric-butterfly-valve sealing ring, it is similar to Example 1, the difference is that seal ring seal face 401 is sealing ring
The outer edge surface in 4 section.In such manner, it is possible to convenient processing, and improve sealing effect.
Preferably, seal ring seal face 401 is semicircle.In such manner, it is possible to easy to assembling, and ensure sealing effect.
Preferably, it is non-circular after sealing ring 4 is compressed.In this way, sealing ring 4 can need freely to become according to actual condition
Shape, ensures sealing structure and sealing effect.
Embodiment 3
A kind of three-eccentric-butterfly-valve, as shown in Figures 3 to 5, including valve body 1, is provided with main shaft 2 in valve body 1, is set in valve body 1
Runner inner cavity 101 is equipped with, runner inner cavity 101 is provided with butterfly plate 3, is provided with butterfly plate 3 as described in embodiment 1 or embodiment 2
Three-eccentric-butterfly-valve sealing ring.
As it can be seen that the three-eccentric-butterfly-valve of the present embodiment, it is by using the three eccentricity butterfly as described in embodiment 1 or embodiment 2
Valve packing ring, i.e., its make it easy to process, and be easily guaranteed that machining accuracy, improve again by the sealing ring using circular rings
Assembly yield；Its sealed reliable, simple and reasonable, production cost bottom, service life length.
Embodiment 4
A kind of three-eccentric-butterfly-valve, it is similar to Example 3, the difference is that valve seat 102 is provided with valve body 1, valve seat 102
Upper heap is welded with wearable hard alloy 104.In such manner, it is possible to improve intensity, service life is improved.
Preferably, sealing surface of seat 103 is provided with valve seat 102, after sealing ring 4 is compressed, seal ring seal face 401 with
Sealing surface of seat 103 fits, and forms linear sealing structure.In such manner, it is possible to ensure sealing effect.
Preferably, the outside of the upper and lower part of main shaft 2 is arranged with axle sleeve 5 respectively, and the outside of axle sleeve 5 is respectively arranged with filler
Gap, is respectively arranged with filler 6 in filler gap, the middle part of main shaft 2 is provided with the key 7 being connected with butterfly plate 3.Main shaft 2
Butterfly plate 3 is driven to transmit moment of torsion by key 7.In this way, axle sleeve 5 and filler 6 can play support and sealing function to main shaft 2, and
It is easily installed, improves the firm stable of installation.
Preferably, sealing ring 4 is provided with sealing ring inner ring 402, and butterfly plate boss outer rim 302, sealing ring are provided with butterfly plate 3
Gap 9 is set between inner ring 402 and butterfly plate boss outer rim 302.In such manner, it is possible to ensure that sealing ring 4 is real in compression process is assembled
Existing Free Transform, after the deformation of sealing ring 4, ensures that seal ring seal face 401 forms linear sealing structure with sealing surface of seat 103.
Preferably, sealing ring 4 is provided with sealing ring end face 403, the position abutted against on butterfly plate 3 with sealing ring end face 403
Place is provided with butterfly plate end face 303, and annular groove 301 is provided with butterfly plate end face 303；Gasket seal 8 is set in annular groove 301.This
Sample, can be conducive to improve sealing performance.
It should be noted that a kind of three-eccentric-butterfly-valve sealing ring of the utility model and a kind of three-eccentric-butterfly-valve, mainly into
Above-mentioned improvement is gone, other unmentioned function, component and structures, when needed, can use can realize in the prior art
The component and structure of corresponding function are implemented.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, the these modifications or improvements on the basis of without departing from the utility model spirit, belonging to the utility model will
Seek the scope of protection.
Claims (8)
1. a kind of three-eccentric-butterfly-valve sealing ring, including the sealing ring (4) with seal ring seal face (401), it is characterised in that close
It is circular rings when seal ring (4) is uncompressed, is non-circular after being compressed；
Further, sealing ring (4) is provided with sealing ring inner ring (402), and three-eccentric-butterfly-valve includes butterfly plate (3), and butterfly plate is set on (3)
Butterfly plate boss outer rim (302) is equipped with, gap (9) are set between sealing ring inner ring (402) and butterfly plate boss outer rim (302).
2. three-eccentric-butterfly-valve sealing ring as claimed in claim 1, it is characterised in that seal ring seal face (401) are sealing ring
(4) outer edge surface in section.
3. three-eccentric-butterfly-valve sealing ring as claimed in claim 2, it is characterised in that seal ring seal face (401) are semicircle.
4. a kind of three-eccentric-butterfly-valve, including valve body (1), valve body (1) is interior to be provided with main shaft (2), and valve body is provided with runner in (1)
Chamber (101), runner inner cavity (101) are provided with butterfly plate (3), are set on butterfly plate (3) just like any one of claim 1-3
Three-eccentric-butterfly-valve sealing ring.
5. three-eccentric-butterfly-valve as claimed in claim 4, it is characterised in that valve seat (102), valve seat are provided with valve body (1)
(102) heap is welded with wearable hard alloy (104) on.
6. three-eccentric-butterfly-valve as claimed in claim 5, it is characterised in that valve seat is provided with sealing surface of seat on (102)
(103), after sealing ring (4) is compressed, seal ring seal face (401) fit with sealing surface of seat (103), form linear sealing knot
Structure.
7. three-eccentric-butterfly-valve as claimed in claim 6, it is characterised in that the outside of the upper and lower part of main shaft (2) covers respectively
Equipped with axle sleeve (5), filler gap is respectively arranged with the outside of axle sleeve (5), filler (6), main shaft (2) are respectively arranged with filler gap
Middle part be provided with the key (7) being connected with butterfly plate (3).
8. three-eccentric-butterfly-valve as claimed in claim 6, it is characterised in that sealing ring (4) is provided with sealing ring end face (403),
Butterfly plate end face (303) is provided with the position abutted against on butterfly plate (3) with sealing ring end face (403), on butterfly plate end face (303)
It is provided with annular groove (301)；Gasket seal (8) is set in annular groove (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720386574.6U CN207229783U (en) | 2017-04-13 | 2017-04-13 | A kind of three-eccentric-butterfly-valve sealing ring and a kind of three-eccentric-butterfly-valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720386574.6U CN207229783U (en) | 2017-04-13 | 2017-04-13 | A kind of three-eccentric-butterfly-valve sealing ring and a kind of three-eccentric-butterfly-valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207229783U true CN207229783U (en) | 2018-04-13 |
Family
ID=61839628
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720386574.6U Active CN207229783U (en) | 2017-04-13 | 2017-04-13 | A kind of three-eccentric-butterfly-valve sealing ring and a kind of three-eccentric-butterfly-valve |
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| CN (1) | CN207229783U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949249A (en) * | 2017-04-13 | 2017-07-14 | 航天长征化学工程股份有限公司 | Three-eccentric butterfly valve sealing ring and three-eccentric butterfly valve |
-
2017
- 2017-04-13 CN CN201720386574.6U patent/CN207229783U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949249A (en) * | 2017-04-13 | 2017-07-14 | 航天长征化学工程股份有限公司 | Three-eccentric butterfly valve sealing ring and three-eccentric butterfly valve |
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