CN208295157U - A kind of eccentric-butterfly-valve structure being applicable in valve seat soft and hard seal - Google Patents
A kind of eccentric-butterfly-valve structure being applicable in valve seat soft and hard seal Download PDFInfo
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- CN208295157U CN208295157U CN201820899375.XU CN201820899375U CN208295157U CN 208295157 U CN208295157 U CN 208295157U CN 201820899375 U CN201820899375 U CN 201820899375U CN 208295157 U CN208295157 U CN 208295157U
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Abstract
The utility model relates to a kind of eccentric-butterfly-valve structure, specifically a kind of eccentric-butterfly-valve structure for being applicable in valve seat soft and hard seal belongs to eccentric-butterfly-valve technical field.It includes valve body, valve plate, valve shaft, bottom cover, valve seat gland and valve seat, pass through valve seat gland bolt connecting valve seat gland at left and right sides of valve body, valve seat is equipped between valve seat gland and valve body, valve plate, valve seat gland inner side end is equipped with the sealing bulge loop of protrusion, sealing bulge loop inner ring and outer ring is respectively equipped with inner seal ring slot and external seal annular groove, the inner side end of inner seal ring slot is inclined-plane, bulge loop is sealed by seat compression, the interior outer end of valve seat, which is respectively protruding into inner seal ring slot and external seal annular groove, realizes sealing.The utility model structure is simple, compact, reasonable, can exchange the high-performance valve seat that installation various working requires, to meet the different demands of client, while also considerably reduce production energy consumption, saved social resources.
Description
Technical field
The utility model relates to a kind of eccentric-butterfly-valve structure, specifically a kind of eccentric butterfly for being applicable in valve seat soft and hard seal
Valve arrangement belongs to eccentric-butterfly-valve technical field.
Background technique
In the prior art, eccentric-butterfly-valve structure is single, and a kind of valve body can only cooperate a kind of valve seat of structure, does not have and exchanges
Structure, high production cost, the period is long, and social resources waste is serious, while being also the convenience for directly affecting client.Therefore, this
Just to the design of eccentric-butterfly-valve modular construction, more stringent requirements are proposed.
Summary of the invention
In place of the purpose of this utility model is to overcome above-mentioned deficiency, a kind of the inclined of valve seat soft and hard seal is applicable in provide
Heart butterfly valve structure can exchange the high-performance valve seat that installation various working requires, to meet the different demands of client, and meanwhile it is also big
Amplitude reduction production energy consumption, has saved social resources.
According to technical solution provided by the utility model, a kind of eccentric-butterfly-valve structure being applicable in valve seat soft and hard seal includes valve
Body, valve plate, valve shaft, bottom cover, valve seat gland and valve seat, valve shaft lower part are protruded into valve body and connect valve plate, and valve shaft is able to drive valve
Plate rotates in valve body；It is equipped with gland at valve shaft and valve body upper end opening, seal assembly, sealing group are equipped between valve shaft and valve body
Part is compressed by gland, and valve body lower end is bolted bottom cover by bottom cover；It is connected at left and right sides of valve body by valve seat gland bolt
Valve seat gland is equipped with valve seat between valve seat gland and valve body, valve plate, valve seat gland inner side end is equipped with the sealing bulge loop of protrusion,
Sealing bulge loop inner ring and outer ring is respectively equipped with inner seal ring slot and external seal annular groove, sealing bulge loop by seat compression, valve seat it is interior
Outer end, which is respectively protruding into inner seal ring slot and external seal annular groove, realizes sealing.
Further, seal assembly includes packing press ring, filler, filler base ring and bushing, packing press ring, filler, filler
Base ring and bushing are successively sleeved between valve shaft and valve body from top to bottom.
Further, stop collar is equipped between valve plate and valve body.
Further, bottom cover sealing ring is equipped between bottom cover and valve body, bottom cover sealing ring is realized between bottom cover and valve body
Sealing.
Further, valve shaft center had both deviateed valve plate center, has also offset from valve body center.
Further, valve seat is soft sealing valve seat, and soft sealing valve seat outer ring axially extends to valve seat gland side outer first
Closure gasket groove radially extends then along external seal annular groove and is covered with outer seal ring slot formation outer ring sealing, soft sealing valve seat inner ring
Contact inner seal ring slot bottom end face, which is axially extended to, along the inner seal ring slot of valve seat gland forms inner ring sealing.
Further, soft sealing valve seat is made of tetrafluoride material.
Further, valve seat includes the hard sealing ring towards valve seat gland and the soft seal ring towards valve body, hard
Sealing ring is made of metal material, and hard sealing ring outer ring is protruded into outer seal ring slot formation outer ring and sealed, in hard sealing ring
Circle protrudes into inner seal ring slot bottom end face and forms inner ring sealing, and soft seal ring side abuts hard sealing ring, and soft seal ring is another
Side abuts valve body and valve plate.
Further, hard sealing ring is made of metal material, and soft seal ring is made of soft nonmetallic materials.
Further, valve seat is hard seal valve seat, and hard seal valve seat is made of metal material, is set in the middle part of hard seal valve seat
There is U-shaped elastic structure, the U-shaped elastic structure of hard seal valve seat is pressed on valve body and valve plate, and hard seal valve seat outer ring is protruded into outer
Closure gasket groove forms outer ring sealing, and hard seal valve seat inner ring protrudes into inner seal ring slot bottom end face and forms inner ring sealing.
Compared with the prior art the utility model has the advantage that
The utility model structure is simple, compact, reasonable, can exchange the high-performance valve seat that installation various working requires, with
Meet the different demands of client, while also considerably reducing production energy consumption, saves social resources；Valve seat gland can either incite somebody to action
Seat compression is supported on valve plate, and excellent sealing can be formed between valve seat and valve plate.
Detailed description of the invention
Fig. 1 is one structure chart of the utility model embodiment.
Fig. 2 is two structure chart of the utility model embodiment.
Fig. 3 is three structure chart of the utility model embodiment.
Description of symbols: 1- valve body, 2- valve plate, 3- valve shaft, 4- gland, 5- packing press ring, 6- filler, 7- filler bottom
Ring, 8- bushing, 9- stop collar, 10- valve seat gland ring, 11- retaining ring, 12- bottom cover sealing ring, 13- bottom cover, 14- bottom cover spiral shell
Bolt, 15- valve seat gland bolt, 16- valve seat gland, 16.1- sealing bulge loop, 16.2- inner seal ring slot, 16.3- external seal annular groove,
17- soft sealing valve seat, 18- hard sealing ring, 19- soft seal ring, the hard seal valve seat of 20-, 20.1-U shape elastic construction.
Specific embodiment
The utility model will be further described in conjunction with the embodiment in attached drawing below:
As shown in Fig. 1 ~ 3, the utility model mainly includes valve body 1, valve plate 2, valve shaft 3, bottom cover 13, valve seat gland 16 and valve
Seat.
3 lower part of valve shaft is protruded into valve body 1 and connects valve plate 2, and valve shaft 3 is able to drive valve plate 2 and rotates in valve body.Valve shaft 3
With gland 4 is equipped at 1 upper end opening of valve body, seal assembly is equipped between valve shaft 3 and valve body 1, seal assembly is pressed by gland 4
Tightly.
The seal assembly includes packing press ring 5, filler 6, filler base ring 7 and bushing 8, packing press ring 5, filler 6, filler
Base ring 7 and bushing 8 are successively sleeved between valve shaft 3 and valve body 1 from top to bottom.
It is equipped with stop collar 9 between the valve plate 2 and valve body 1, the slewing area of valve plate 2 is limited by stop collar 9.
1 lower end of valve body connects bottom cover 13 by bottom cover bolt 14, and bottom cover sealing ring 12 is equipped between bottom cover 13 and valve body 1,
Bottom cover sealing ring 12 realizes the sealing between bottom cover 13 and valve body 1.
Pass through 15 connecting valve seat gland 16 of valve seat gland bolt, valve seat gland 16 and valve body 1, valve plate 2 at left and right sides of valve body 1
Between be equipped with valve seat, 16 inner side end of valve seat gland be equipped with protrusion sealing bulge loop 16.1, seal 16.1 inner ring and outer ring of bulge loop
It is respectively equipped with inner seal ring slot 16.2 and external seal annular groove 16.3, sealing bulge loop 16.1 divides seat compression, the interior outer end of valve seat
It does not protrude into and realizes sealing in inner seal ring slot 16.2 and external seal annular groove 16.3, valve seat inner ring is pressed on by 16 inner ring of valve seat gland
On valve plate, the support to valve seat is realized.
Both 2 center of valve plate had been deviateed, has also offset from 1 center of valve body in 3 center of valve shaft.The eccentric effect of valve shaft 3 makes valve quilt
After unlatching valve plate can be detached from rapidly valve seat, the unnecessary excessive compression for significantly eliminating valve plate and valve seat, scrape phenomenon,
Alleviate unlatching resistance away from, reduce abrasion, improve longer seat life.What is scraped is greatly lowered while also making eccentric-butterfly-valve
Hard seal valve seat can also be used, butterfly valve is improved in the application of high-temperature field, fire proof seal valve seat in addition can also be used.
In embodiment one as shown in Figure 1, the valve seat is soft sealing valve seat 17, and soft sealing valve seat 17 uses tetrafluoride material
Production, 17 outer ring of soft sealing valve seat axially extends to external seal annular groove 16.3 to 16 side of valve seat gland first, then along outer close
Seal ring slot 16.3, which radially extends, is covered with the formation of external seal annular groove 16.3 outer ring sealing.17 inner ring of soft sealing valve seat is along valve seat gland
16 inner seal ring slot 16.2 axially extends to contact 16.2 bottom face of inner seal ring slot and forms inner ring sealing.
In embodiment two as shown in Figure 2, the valve seat include hard sealing ring 18 towards valve seat gland 16 and towards
The soft seal ring 19 of valve body 1, hard sealing ring 18 are made of metal material, and outer seal ring is protruded into 18 outer ring of hard sealing ring
Slot 16.3 forms outer ring sealing, and 18 inner ring of hard sealing ring protrudes into 16.2 bottom face of inner seal ring slot and forms inner ring sealing.It is soft
Sealing ring 19 is made of soft nonmetallic materials, and 19 side of soft seal ring abuts hard sealing ring 18, soft seal ring 19
The other side abuts valve body 1 and valve plate 2.In use, if soft seal ring 19 generates damage, hard sealing ring 18 still can be generated
Sealing function.
In embodiment three as shown in Figure 3, the valve seat is hard seal valve seat 20, and hard seal valve seat 20 uses metal material
It makes, U-shaped elastic structure 20.1 is equipped in the middle part of hard seal valve seat 20, the U-shaped elastic structure 20.1 of hard seal valve seat 20 is pressed on
On valve body 1 and valve plate 2, hard 20 outer ring of seal valve seat is protruded into the formation of external seal annular groove 16.3 outer ring and is sealed, in hard seal valve seat 20
Circle protrudes into 16.2 bottom face of inner seal ring slot and forms inner ring sealing.
The utility model structure is simple, compact, reasonable, can exchange the high-performance valve seat that installation various working requires, with
Meet the different demands of client, while also considerably reducing production energy consumption, saves social resources；Valve seat gland can either incite somebody to action
Seat compression is supported on valve plate, and excellent sealing can be formed between valve seat and valve plate.
Claims (10)
1. a kind of eccentric-butterfly-valve structure for being applicable in valve seat soft and hard seal, including valve body (1), valve plate (2), valve shaft (3), bottom cover
(13), valve seat gland (16) and valve seat, valve shaft (3) lower part are protruded into valve body (1) and are connected valve plate (2), and valve shaft (3) is able to drive
Valve plate (2) rotates in valve body；Be equipped with gland (4) at valve shaft (3) and valve body (1) upper end opening, valve shaft (3) and valve body (1) it
Between be equipped with seal assembly, seal assembly by gland (4) compress, valve body (1) lower end by bottom cover bolt (14) connection bottom cover
(13), it is characterized in that: passing through valve seat gland bolt (15) connecting valve seat gland (16), valve seat gland at left and right sides of valve body (1)
(16) valve seat is equipped between valve body (1), valve plate (2), valve seat gland (16) inner side end is equipped with the sealing bulge loop of protrusion
(16.1), sealing bulge loop (16.1) inner ring and outer ring is respectively equipped with inner seal ring slot (16.2) and external seal annular groove (16.3), close
Bulge loop (16.1) are sealed by seat compression, the interior outer end of valve seat is respectively protruding into inner seal ring slot (16.2) and external seal annular groove (16.3)
Middle realization sealing.
2. a kind of eccentric-butterfly-valve structure for being applicable in valve seat soft and hard seal as described in claim 1, it is characterized in that: the sealing group
Part includes packing press ring (5), filler (6), filler base ring (7) and bushing (8), packing press ring (5), filler (6), filler base ring
(7) it is successively sleeved between valve shaft (3) and valve body (1) from top to bottom with bushing (8).
3. a kind of eccentric-butterfly-valve structure for being applicable in valve seat soft and hard seal as described in claim 1, it is characterized in that: the valve plate
(2) stop collar (9) are equipped between valve body (1).
4. a kind of eccentric-butterfly-valve structure for being applicable in valve seat soft and hard seal as described in claim 1, it is characterized in that: the bottom cover
(13) bottom cover sealing ring (12) are equipped between valve body (1), bottom cover sealing ring (12) is realized between bottom cover (13) and valve body (1)
Sealing.
5. a kind of eccentric-butterfly-valve structure for being applicable in valve seat soft and hard seal as described in claim 1, it is characterized in that: the valve shaft
(3) center had both deviateed valve plate (2) center, has also offset from valve body (1) center.
6. a kind of eccentric-butterfly-valve structure for being applicable in valve seat soft and hard seal as described in claim 1, it is characterized in that: the valve seat is
Soft sealing valve seat (17), soft sealing valve seat (17) outer ring axially extend to external seal annular groove to valve seat gland (16) side first
(16.3), it is radially extended then along external seal annular groove (16.3) and is covered with external seal annular groove (16.3) formation outer ring sealing, it is soft close
Envelope valve seat (17) inner ring axially extends to contact inner seal ring slot along the inner seal ring slot (16.2) of valve seat gland (16)
(16.2) bottom face forms inner ring sealing.
7. a kind of eccentric-butterfly-valve structure for being applicable in valve seat soft and hard seal as claimed in claim 6, it is characterized in that: the soft seal
Valve seat (17) is made of tetrafluoride material.
8. a kind of eccentric-butterfly-valve structure for being applicable in valve seat soft and hard seal as described in claim 1, it is characterized in that: the valve seat packet
Include the hard sealing ring (18) towards valve seat gland (16) and the soft seal ring (19) towards valve body (1), hard sealing ring
(18) it is made of metal material, hard sealing ring (18) outer ring protrudes into external seal annular groove (16.3) and forms outer ring sealing, hard
Sealing ring (18) inner ring protrudes into inner seal ring slot (16.2) bottom face and forms inner ring sealing, and soft seal ring (19) side is against hard
Matter sealing ring (18), soft seal ring (19) other side abut valve body (1) and valve plate (2).
9. a kind of eccentric-butterfly-valve structure for being applicable in valve seat soft and hard seal as claimed in claim 8, it is characterized in that: the hard is close
Seal ring (18) is made of metal material, and soft seal ring (19) is made of soft nonmetallic materials.
10. a kind of eccentric-butterfly-valve structure for being applicable in valve seat soft and hard seal as described in claim 1, it is characterized in that: the valve seat
For hard seal valve seat (20), hard seal valve seat (20) is made of metal material, and U-shaped elasticity is equipped in the middle part of hard seal valve seat (20)
The U-shaped elastic structure (20.1) of structure (20.1), hard seal valve seat (20) is pressed on valve body (1) and valve plate (2), hard sealing valve
Seat (20) outer ring protrudes into external seal annular groove (16.3) and forms outer ring sealing, and hard seal valve seat (20) inner ring protrudes into inner seal ring slot
(16.2) bottom face forms inner ring sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820899375.XU CN208295157U (en) | 2018-06-08 | 2018-06-08 | A kind of eccentric-butterfly-valve structure being applicable in valve seat soft and hard seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820899375.XU CN208295157U (en) | 2018-06-08 | 2018-06-08 | A kind of eccentric-butterfly-valve structure being applicable in valve seat soft and hard seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208295157U true CN208295157U (en) | 2018-12-28 |
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ID=64701928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820899375.XU Active CN208295157U (en) | 2018-06-08 | 2018-06-08 | A kind of eccentric-butterfly-valve structure being applicable in valve seat soft and hard seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208295157U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533771A (en) * | 2018-06-08 | 2018-09-14 | 无锡美瑞克阀门制造有限公司 | A kind of eccentric-butterfly-valve structure being applicable in valve seat soft and hard seal |
-
2018
- 2018-06-08 CN CN201820899375.XU patent/CN208295157U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533771A (en) * | 2018-06-08 | 2018-09-14 | 无锡美瑞克阀门制造有限公司 | A kind of eccentric-butterfly-valve structure being applicable in valve seat soft and hard seal |
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