CN205173516U - Butterfly valve - Google Patents
Butterfly valve Download PDFInfo
- Publication number
- CN205173516U CN205173516U CN201521021528.3U CN201521021528U CN205173516U CN 205173516 U CN205173516 U CN 205173516U CN 201521021528 U CN201521021528 U CN 201521021528U CN 205173516 U CN205173516 U CN 205173516U
- Authority
- CN
- China
- Prior art keywords
- valve rod
- valve
- butterfly
- gland
- butterfly 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 claims abstract description 18
- 210000004907 gland Anatomy 0.000 claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052802 copper Inorganic materials 0.000 claims abstract description 11
- 239000010949 copper Substances 0.000 claims abstract description 11
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 238000012856 packing Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 239000000945 filler Substances 0.000 abstract 2
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a butterfly valve, including valve body, butterfly plate and valve rod, set up flutedly on the inner chamber of valve body, the built -in U -shaped sealing washer that is equipped with the cross -section for the U -shaped of recess, the radial internal surface and the butterfly plate of U -shaped sealing washer correspond the sealed butt of formation, be provided with sealed counterpoise spring between the radial surface of U -shaped sealing washer and the grooved underside, be provided with sealing filler between valve rod and the valve body, sealing filler be provided with gland outward, the gland suit on the valve rod, the valve rod on still the cover position sleeve and ball headrest piece be equipped with, be provided with compression spring between gland's the up end and the lower terminal surface of position sleeve, ball headrest piece connect by an underplate and a spherical plush copper and constitute, just spherical plush copper down, correspond on the up end of position sleeve and be equipped with the confession the spherical cavity of spherical plush copper embedding, through adopting above -mentioned structure, the utility model provides a butterfly valve that sealing performance is better.
Description
Technical field
The utility model relates to a kind of butterfly valve.
Background technique
Butterfly valve is a kind of conventional valve, but the sealability of existing butterfly valve is usually poor, thus in use there is disclosure risk.
Summary of the invention
For the deficiencies in the prior art, the utility model provides the better butterfly valve of a kind of sealability.
For achieving the above object, the utility model provides a kind of butterfly valve, include valve body, butterfly plate and valve rod, described valve rod is located on valve body, described butterfly plate is installed on valve rod, and correspondence is arranged in body cavity, the inner chamber of described valve body offers groove, the U-shaped seal ring that cross section is U-shaped is equiped with in described groove, the inner radial surface of described U-shaped seal ring is corresponding with butterfly plate to be formed to seal and abuts, sealing compensation spring is provided with between the radially-outer surface of described U-shaped seal ring and groove floor, stuffing box packing is provided with between described valve rod and valve body, described stuffing box packing is outside equipped with Gland, described Gland is set on valve rod, described valve rod is also set with setting sleeve and bulb pad, Compress Spring is provided with between the upper-end surface of Gland and the lower end surface of setting sleeve, described Compress Spring is also set on valve rod, described bulb pad is connected and composed by a basal disc and a spherical plush copper, and described spherical male upside down, the corresponding spherical cavity be provided with for described spherical plush copper embedding on the upper-end surface of setting sleeve, described valve rod is also bolted and fixed with a nut, and described nut is positioned at above bulb pad, and corresponding formation with the basal disc of bulb pad abuts.
The beneficial effects of the utility model are: adopt said structure, by the setting of described U-shaped seal ring and sealing compensation spring, described butterfly plate is that floating seal is in body cavity, simultaneously because being provided with Compress Spring between the upper-end surface of described Gland and the lower end surface of setting sleeve, therefore under the effect of Compress Spring, described valve rod also can axial float when driving butterfly plate to rotate together, this floating type sealing is sealed and matched firmly compared to traditional, sealing effect is better, and the wearing and tearing in energy automatic compensation sealing face, greatly extend the working life of butterfly valve.Separately, be slidably matched by the sphere of spherical cavity on spherical plush copper on described bulb pad and setting sleeve, after can making valve rod butterfly plate rotating together in drive, can self-alignment, make above-mentioned this floating type be sealed in rotation after can reach balance fast.
The utility model can be set to the curved setting of sealing surface that described butterfly plate abuts against with U-shaped seal ring further.By above-mentioned setting, can make between butterfly plate with seal ring, to form better floating seal and coordinate.
The sealing surface that the utility model also can be set to described butterfly plate abuts against with U-shaped seal ring further is also coated with wear-resistant material layer.By above-mentioned setting, the working life of valve can be extended further.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A portion enlarged view of Fig. 1;
Fig. 3 is the B portion enlarged view of Fig. 1.
Embodiment
Give a kind of butterfly valve as shown in Figure 1, 2, 3, include valve body 1, butterfly plate 2 and valve rod 3, described valve rod 3 is located on valve body 1, described butterfly plate 2 is installed on valve rod 3, and correspondence is arranged in valve body 1 inner chamber, the inner chamber of described valve body 1 offers groove 4, the U-shaped seal ring 5 that cross section is U-shaped is equiped with in described groove 4, the inner radial surface of described U-shaped seal ring 5 is corresponding with butterfly plate 2 to be formed to seal and abuts, and the curved setting of sealing surface 21 that described butterfly plate 2 abuts against with U-shaped seal ring 5, and be coated with wear-resistant material layer 6.Sealing compensation spring 7 is provided with between the radially-outer surface of described U-shaped seal ring 5 and groove 4 bottom surface, stuffing box packing 8 is provided with between described valve rod 3 and valve body 1, described stuffing box packing 8 is outside equipped with Gland 9, described Gland 9 is set on valve rod 3, described valve rod 3 is also set with setting sleeve 10 and bulb pad 11, Compress Spring 12 is provided with between the upper-end surface of Gland 9 and the lower end surface of setting sleeve 10, described Compress Spring 12 is also set on valve rod 3, described bulb pad 11 is connected and composed by a basal disc 111 and a spherical plush copper 112, and described spherical plush copper 112 down, the corresponding spherical cavity 101 be provided with for described spherical plush copper 112 embedding on the upper-end surface of setting sleeve 10, described valve rod 3 is also bolted and fixed with a nut 13, and described nut 13 is positioned at above bulb pad 11, and corresponding formation with the basal disc 111 of bulb pad 11 abuts.By adopting said structure, the utility model provides the better butterfly valve of a kind of sealability.
Claims (3)
1. a butterfly valve, include valve body, butterfly plate and valve rod, described valve rod is located on valve body, described butterfly plate is installed on valve rod, and correspondence is arranged in body cavity, it is characterized in that: the inner chamber of described valve body offers groove, the U-shaped seal ring that cross section is U-shaped is equiped with in described groove, the inner radial surface of described U-shaped seal ring is corresponding with butterfly plate to be formed to seal and abuts, sealing compensation spring is provided with between the radially-outer surface of described U-shaped seal ring and groove floor, stuffing box packing is provided with between described valve rod and valve body, described stuffing box packing is outside equipped with Gland, described Gland is set on valve rod, described valve rod is also set with setting sleeve and bulb pad, Compress Spring is provided with between the upper-end surface of Gland and the lower end surface of setting sleeve, described Compress Spring is also set on valve rod, described bulb pad is connected and composed by a basal disc and a spherical plush copper, and described spherical male upside down, the corresponding spherical cavity be provided with for described spherical plush copper embedding on the upper-end surface of setting sleeve, described valve rod is also bolted and fixed with a nut, and described nut is positioned at above bulb pad, and corresponding formation with the basal disc of bulb pad abuts.
2. a kind of butterfly valve according to claim 1, is characterized in that: the curved setting of sealing surface that described butterfly plate abuts against with U-shaped seal ring.
3. a kind of butterfly valve according to claim 1 and 2, is characterized in that: the sealing surface that described butterfly plate abuts against with U-shaped seal ring is also coated with wear-resistant material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521021528.3U CN205173516U (en) | 2015-12-10 | 2015-12-10 | Butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521021528.3U CN205173516U (en) | 2015-12-10 | 2015-12-10 | Butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205173516U true CN205173516U (en) | 2016-04-20 |
Family
ID=55737510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521021528.3U Expired - Fee Related CN205173516U (en) | 2015-12-10 | 2015-12-10 | Butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205173516U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937653A (en) * | 2016-05-25 | 2016-09-14 | 江苏中昊船用阀门制造有限公司 | Elastic self-sealing three-eccentric center butterfly valve |
-
2015
- 2015-12-10 CN CN201521021528.3U patent/CN205173516U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937653A (en) * | 2016-05-25 | 2016-09-14 | 江苏中昊船用阀门制造有限公司 | Elastic self-sealing three-eccentric center butterfly valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Method for manufacturing butterfly valve Effective date of registration: 20180228 Granted publication date: 20160420 Pledgee: Ruian Zhejiang rural commercial bank Limited by Share Ltd Square Branch Pledgor: Zhejiang Lianda Valve Co., Ltd. Registration number: 2018110000003 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190402 Granted publication date: 20160420 Pledgee: Zhejiang Ruian Rural Commercial Bank Co., Ltd. Plaza Science and Technology Branch Pledgor: Zhejiang Lianda Valve Co., Ltd. Registration number: 2018110000003 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Method for manufacturing butterfly valve Effective date of registration: 20190402 Granted publication date: 20160420 Pledgee: Zhejiang Ruian Rural Commercial Bank Co., Ltd. Plaza Science and Technology Branch Pledgor: Zhejiang Lianda Valve Co., Ltd. Registration number: 2019990000284 |
|
| PM01 | Change of the registration of the contract for pledge of patent right | ||
| PM01 | Change of the registration of the contract for pledge of patent right |
Change date: 20190402 Registration number: 2018110000003 Pledgee after: Zhejiang Ruian Rural Commercial Bank Co., Ltd. Plaza Science and Technology Branch Pledgee before: Ruian Zhejiang rural commercial bank Limited by Share Ltd Square Branch |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200421 Granted publication date: 20160420 Pledgee: Zhejiang Ruian Rural Commercial Bank Co., Ltd. Plaza Science and Technology Branch Pledgor: ZHEJIANG LIANDA VALVE Co.,Ltd. Registration number: 2019990000284 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20191210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |