CN204647404U - What a kind of roll extrusion was fixing can pressure release compound seal valve seat construction - Google Patents
What a kind of roll extrusion was fixing can pressure release compound seal valve seat construction Download PDFInfo
- Publication number
- CN204647404U CN204647404U CN201520221496.5U CN201520221496U CN204647404U CN 204647404 U CN204647404 U CN 204647404U CN 201520221496 U CN201520221496 U CN 201520221496U CN 204647404 U CN204647404 U CN 204647404U
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- Prior art keywords
- valve seat
- ring
- scraping blade
- spheroid
- delta
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 13
- 238000010276 construction Methods 0.000 title claims abstract description 13
- 238000001125 extrusion Methods 0.000 title claims abstract description 13
- 238000007790 scraping Methods 0.000 claims abstract description 31
- 238000002788 crimping Methods 0.000 claims abstract description 5
- 230000007423 decrease Effects 0.000 claims abstract description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
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- Safety Valves (AREA)
Abstract
What roll extrusion was fixing can a pressure release compound seal valve seat construction, comprises spheroid, valve seat, valve body, delta-ring, scraping blade, helical spring, seal ring; Spheroid and valve seat are arranged in valve body; Valve body has spring eye, can install helical spring, helical spring one end withstands on valve seat; Delta-ring is arranged on valve seat, and an angle of delta-ring closely cooperates with spheroid under helical spring effect; Valve seat and valve body fitting surface are provided with seal ring; Valve seat has groove, and scraping blade is arranged in groove, and scraping blade one end coordinates with spheroid, and one end that scraping blade contacts with spheroid is provided with the step of decline, and valve seat slotted eye inner circle is elongate sides, and elongate sides can upwards crimping bag pressure scraping blade.The utility model makes the installation of scraping blade more firm, effectively can prevent it from loosening or blowout, improve the reliability of valve base sealing pair.
Description
Technical field
The utility model relates to the valve seat of a kind of ball-valve structure, particularly ball valve and the sealing configuration of spheroid.
Background technique
The sealing of valve is the most important index of valve mass, the spheroid of ball valve and the sealing of valve base chamber, be related to when ball valve is closed and whether pipeline can be blocked completely, the sealing life of valve is also the quality life-span of valve, for improving the sealability between valve seat and spheroid, the valve seat of ball valve increases scraping blade, present scraping blade is mounted in the groove of valve seat, fixing insecure, in case of high pressures, scraping blade may blow out by medium, and the scraping blade of blowout may be cut off by spheroid in opening-closing process, and then affects the overall sealing performance of valve seat.
Model utility content
The utility model aim to provide a kind of roll extrusion fixing can pressure release compound seal valve seat construction, make the installation of scraping blade more firm, effectively can prevent it from loosening or blowout, improve the reliability of valve base sealing pair.
What roll extrusion was fixing can a pressure release compound seal valve seat construction, comprises spheroid, valve seat, valve body, delta-ring, scraping blade, helical spring, seal ring; Spheroid and valve seat are arranged in valve body; Be provided with helical spring in valve body, helical spring one end withstands on valve seat; Delta-ring is arranged on valve seat, and an angle of delta-ring closely cooperates with spheroid under helical spring effect; Valve seat and valve body fitting surface are provided with seal ring; Described scraping blade is arranged in the groove on valve seat, and scraping blade one end coordinates with spheroid, and scraping blade and spheroid abutting end are provided with the step of decline, and described valve seat is elongate sides at scraping blade step place, elongated crimping bag pressure scraping blade upwards.
Further, described valve seat has longitudinal exhaust port, longitudinal exhaust port is sensible described delta-ring from valve seat upper end.
Further, described longitudinal exhaust port has two groups, and two groups of longitudinal exhaust ports are arranged symmetrically with, and often group has 5-25 exhaust ports.
Further, described valve seat is provided with valve seat pressure ring, and valve seat pressure ring is arranged in the groove on valve seat, and valve seat pressure ring contacts with a limit of delta-ring.
Further, described valve seat and valve body fitting surface are provided with graphite rope.
Further, described valve seat and valve body fitting surface are also provided with the second seal ring.
Further, described seal ring and the second seal ring are O RunddichtringO.
The utility model makes the installation of scraping blade more firm, effectively can prevent it from loosening or blowout, improve the reliability of valve base sealing pair.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the A portion enlarged diagram shown in Fig. 1;
Fig. 3 be the utility model valve seat upper air-vent schematic diagram is set.
In figure: 1-spheroid, 2-delta-ring, 3-scraping blade, 4-valve seat, 5-graphite rope, 6-seal ring, 7-second seal ring, 8-valve body, 9-helical spring, 10-exhaust port, 11-valve seat pressure ring, 12-crimping, 13-step.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, below in conjunction with accompanying drawing, the utility model is further elaborated.
As shown in Figure 1, 2, 3, what a kind of roll extrusion of the utility model was fixing can pressure release compound seal valve seat construction, comprises spheroid 1, valve seat 4, valve body 8, delta-ring 2, scraping blade 3, helical spring 9, seal ring 6; Described spheroid 1 is arranged in valve body 8 with valve seat 4; Be provided with helical spring 9 in valve body 8, one end of helical spring 9 withstands on valve seat 4; Delta-ring 2 is arranged on spheroid 1 and valve seat 4 connecting part, and an angle of delta-ring 2 closely cooperates with spheroid 1 under helical spring 9 acts on; Valve seat 4 and valve body 8 fitting surface are provided with seal ring 6; Described scraping blade 3 is arranged in the groove on valve seat, and scraping blade 3 one end coordinates with spheroid 1, and scraping blade 3 and spheroid 1 abutting end are provided with the step 13 of decline, and described valve seat 4 is elongate sides at scraping blade step 13 place, and elongate sides has crimping 12 bag pressure scraping blade 3 upwards.
Further, described valve seat 4 has longitudinal exhaust port 10, longitudinal exhaust port 10 is sensible described delta-ring 2 from valve seat 4 upper end.After having exhaust port, in valve closing process, the air in delta-ring groove can be discharged, and prevents from being blown out by delta-ring after gas pressurized in groove and cutting off.And, under the state having exhaust hole, delta-ring is installed, utilizes exhaust hole it can be fixed in seal groove better, not easily skid off.
Further, described longitudinal exhaust port 10 has two groups, and two groups of longitudinal exhaust ports 10 are arranged symmetrically with, and often group has 5 ~ 25 exhaust ports.
Further, described valve seat 4 is provided with valve seat pressure ring 11, and valve seat pressure ring 11 is arranged in the groove on valve seat 4, and valve seat pressure ring 4 contacts with a limit of delta-ring 2.
Further, described valve seat 4 is provided with graphite rope 5 with valve body 8 fitting surface.
Further, described valve seat 4 is also provided with the second seal ring 7 with valve body 8 fitting surface.
Further, described seal ring 6 and the second seal ring 7 are O RunddichtringO.
Certainly; the utility model also can have other various embodiments; when not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art can make various corresponding change and distortion according to the utility model, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the utility model.
Claims (7)
1. what roll extrusion was fixing can a pressure release compound seal valve seat construction, it is characterized in that: comprise spheroid (1), valve seat (4), valve body (8), delta-ring (2), scraping blade (3), helical spring (9), seal ring (6); Described spheroid (1) and valve seat (4) are arranged in valve body (8); Be provided with helical spring (9) in valve body (8), one end of helical spring (9) withstands on valve seat (4); Delta-ring (2) is arranged on valve seat (4), and an angle of delta-ring (2) closely cooperates with spheroid (1) under helical spring (9) effect; Valve seat (4) and valve body (8) fitting surface are provided with seal ring (6); Described scraping blade (3) is arranged in the groove on valve seat (4), scraping blade (3) one end coordinates with spheroid (1), scraping blade (3) and spheroid (1) abutting end are provided with the step (13) of decline, described valve seat (4) is elongate sides at scraping blade step (13) place, and elongate sides has crimping (12) bag pressure scraping blade (3) upwards.
2. what roll extrusion according to claim 1 was fixing can pressure release compound seal valve seat construction, it is characterized in that: described valve seat (4) has longitudinal exhaust port (10), longitudinal exhaust port (10) is sensible described delta-ring (2) from valve seat (4) upper end.
3. what roll extrusion according to claim 2 was fixing can pressure release compound seal valve seat construction, and it is characterized in that: described longitudinal exhaust port (10) has two groups, two groups of longitudinal exhaust ports (10) are arranged symmetrically with, and often group has 5-25 exhaust ports.
4. what roll extrusion according to claim 1 was fixing can pressure release compound seal valve seat construction, it is characterized in that: described valve seat (4) is provided with valve seat pressure ring (11), valve seat pressure ring (11) is arranged in the groove on valve seat (4), and valve seat pressure ring (4) contacts with a limit of delta-ring (2).
5. what roll extrusion according to claim 1 was fixing can pressure release compound seal valve seat construction, it is characterized in that: described valve seat (4) and valve body (8) fitting surface are provided with graphite rope (5).
6. what roll extrusion according to claim 1 was fixing can pressure release compound seal valve seat construction, it is characterized in that: described valve seat (4) and valve body (8) fitting surface are also provided with the second seal ring (7).
7. what roll extrusion according to claim 6 was fixing can pressure release compound seal valve seat construction, it is characterized in that: described seal ring (6) and the second seal ring (7) are O RunddichtringO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520221496.5U CN204647404U (en) | 2015-04-13 | 2015-04-13 | What a kind of roll extrusion was fixing can pressure release compound seal valve seat construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520221496.5U CN204647404U (en) | 2015-04-13 | 2015-04-13 | What a kind of roll extrusion was fixing can pressure release compound seal valve seat construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204647404U true CN204647404U (en) | 2015-09-16 |
Family
ID=54100157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520221496.5U Active CN204647404U (en) | 2015-04-13 | 2015-04-13 | What a kind of roll extrusion was fixing can pressure release compound seal valve seat construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204647404U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426054A (en) * | 2018-02-24 | 2018-08-21 | 江苏盐电阀门有限公司 | A kind of reliable sealing valve |
| CN109764146A (en) * | 2019-03-14 | 2019-05-17 | 江苏神通阀门股份有限公司 | A kind of double-seal ball valve structure with pressure relief device |
-
2015
- 2015-04-13 CN CN201520221496.5U patent/CN204647404U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426054A (en) * | 2018-02-24 | 2018-08-21 | 江苏盐电阀门有限公司 | A kind of reliable sealing valve |
| CN109764146A (en) * | 2019-03-14 | 2019-05-17 | 江苏神通阀门股份有限公司 | A kind of double-seal ball valve structure with pressure relief device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 67, Section 1, Xueshan Avenue, Dayi County, Chengdu City, Sichuan Province, 611330 Patentee after: Chengdu Chenggao Valve Co.,Ltd. Address before: 611330 Industrial Avenue, Jinyuan Town, Dayi County, Chengdu City, Sichuan Province Patentee before: CHENGDU CHENG GAO VALVE Co.,Ltd. |
|
| CP03 | Change of name, title or address |