CN204647400U - A kind of spring energy-storage seal ring seal ball-valve - Google Patents
A kind of spring energy-storage seal ring seal ball-valve Download PDFInfo
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- CN204647400U CN204647400U CN201520358331.2U CN201520358331U CN204647400U CN 204647400 U CN204647400 U CN 204647400U CN 201520358331 U CN201520358331 U CN 201520358331U CN 204647400 U CN204647400 U CN 204647400U
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- valve
- seal ring
- spring energy
- spheroid
- storage
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Abstract
The utility model discloses a kind of spring energy-storage seal ring seal ball-valve, comprise valve body, connecting body, spheroid, valve seat, upper valve rod, lower valve rod, valve gap and drive unit, valve body two ends are fixedly connected with described connecting body, spheroid and valve seat is provided with in valve body chamber, be provided with valve seat edge circle between spheroid and valve seat, the junction point of valve seat and connecting body is respectively equipped with spring and spring energy-storage seal ring; Spheroid top is connected with C type key by upper valve rod, C type key top is connected with drive unit, the valve gap and land that are mutually permanently connected is provided with outside upper valve rod and valve body, upper valve rod and valve gap, valve gap and valve body, between valve body and connecting body, be respectively equipped with spring energy-storage seal ring, bottom spheroid, be fixedly connected with lower valve rod.The utility model adopts split-type structural, easy for installation, good seal performance, and has the advantages such as low temperature resistant, corrosion-resistant, wear-resistant, antistatic, and can perfectly adaptively to use with external pipe, applies widely.
Description
Technical field
The utility model relates to a kind of valve body structure, is specifically related to a kind of spring energy-storage seal ring seal ball-valve.
Background technique
Spring energy-storage seal ring seal ball-valve adopts spring energy-storage seal ring as Sealing at each leakage point of valve, break the conventional sealing principle of rubber o-ring as Sealing, spring energy-storage seal ring adopts corrosion-resistant, the material making that resistance to low temperature is superior, make valve can long-term work under strong corrosive media operating mode, also can long-term work under low temperature and ultralow-temperature operation conditions.Sealability is reliable, efficiently solves the aging defect causing valve leak because of Sealing, improves the working life of valve greatly.This kind of valve can be used in oil, petrochemical industry, rock gas, the industry fields such as desalination of sea water.
Spring energy-storage seal ring seal ball-valve ubiquity complex structure in the market, cost of production is higher, and uses also inconvenient, poor sealing performance, many defects such as adaptability is not extensive.
Summary of the invention
Goal of the invention: the purpose of this utility model is to solve deficiency of the prior art, provides that a kind of structure is simple, good seal performance and the seal ball-valve of spring energy-storage ring structure easy to use.
Technological scheme: a kind of spring energy-storage seal ring seal ball-valve described in the utility model, comprise valve body, connecting body, spheroid, valve seat, upper valve rod, lower valve rod, valve gap and drive unit, described valve body two ends are fixedly connected with described connecting body, spheroid and valve seat is provided with in described valve body chamber, be provided with valve seat between described spheroid and described valve seat to inlay and enclose, the junction point of described valve seat and described connecting body is respectively equipped with spring and spring energy-storage seal ring; Described spheroid top is connected with C type key by upper valve rod, described C type key top is connected with drive unit, the valve gap and land that are mutually permanently connected is provided with outside described upper valve rod and described valve body, described upper valve rod and described valve gap, described valve gap and described valve body, between described valve body and described connecting body, be respectively equipped with spring energy-storage seal ring, bottom described spheroid, be fixedly connected with lower valve rod; Described valve body outer side surface is also respectively equipped with bleeder valve, blowdown valve.
Further, described valve body is split-type structural, and be provided with a spheroid and two valve seats in described valve cavity, each valve seat is provided with twice spring energy-storage seal ring.
Further, described connecting body and described valve body are bolted to connection, and described connecting body are also provided with flange end, NPT threaded end, socket weld ends, docking welding end.
Further, the junction point of described connecting body and described valve seat, valve body is provided with spring energy-storage seal ring, and the junction point of described valve body and described lower valve rod is provided with spring energy-storage seal ring, and the junction point of described valve gap and described valve body is provided with spring energy-storage seal ring.
Further, described valve seat is also provided with valve seat pressure ring, described valve seat pressure ring is fixedly connected with by screw with described valve seat.
Further, fire proof seal circle and Packing seat is also provided with between described upper valve rod and described valve gap.
Further, described valve gap and described land are connected by pin locates, and is fixed by screw, bolt.
Further, the joint of described upper valve rod and described spheroid is provided with electrostatic spring and steel ball, and the joint of described lower valve rod and described spheroid is provided with friction pad, is also provided with Nonlubricated bearing outside described upper valve rod.
Further, described spring energy-storage seal ring adopts PTFE and ELGILOY bi-material to make.
Further, the seal ring spirotallic gasket that adopts stainless steel sheets and Expanded graphite to form and spring energy-storage seal ring.
Beneficial effect: the utility model has following beneficial effect:
1 spring energy-storage seal ring seal ball-valve, mainly based on fixing spherical ball valve, has two Trimmed sums discharge function;
2. ball valve design has antistatic, and the anti-pressure of valve rod goes out structure;
3. fire protection design is according to API 607/API 6FA, and fire-protection rating is high;
4. the sealing of valve seat can be soft seal, also can be the hard sealing of metal to metal;
5. to have side to fill split type for valve mechanism, top dress integral type;
6. the different Placements such as end is connected with flange end, NPT threaded end, socket weld ends, docking welding end;
7. according to actual conditions and medium character, valve design is applicable to normal temperature, low temperature, and ultralow temperature is corrosion-resistant, wear-resistant mixture condition of Denging;
8. the driving mode such as driving mode has: handle, and worm-gear driven is electronic, pneumatic, surges, gas-liquid linked.
Accompanying drawing explanation
Fig. 1 is the utility model ball valve valve opening state structural representation;
Fig. 2 is I place's close-up schematic view of Fig. 1;
Fig. 3 is II place's close-up schematic view of Fig. 1.
Embodiment
A kind of spring energy-storage seal ring seal ball-valve as shown in Fig. 1 to Fig. 3, comprise valve body 1, connecting body 2, spheroid 4, valve seat 5, upper valve rod 11, lower valve rod 12, valve gap 3 and drive unit 24, described valve body 1 two ends are fixedly connected with described connecting body 2, spheroid 4 and valve seat 5 is provided with in described valve body 1 chamber, be provided with valve seat between described spheroid 4 and described valve seat 5 and inlay circle 6, described valve seat 5 is respectively equipped with spring 8 and spring energy-storage seal ring 9 with the junction point of described connecting body 2; Described spheroid 4 top is connected with C type key 13 by upper valve rod 12, described C type key 13 top is connected with drive unit 24, the valve gap 3 and land 16 that are mutually permanently connected is provided with outside described upper valve rod 11 and described valve body 1, described upper valve rod 11 and described valve gap 3, described valve gap 3 and described valve body 1, between described valve body 1 and described connecting body 2, be respectively equipped with spring energy-storage seal ring 9, bottom described spheroid 4, be fixedly connected with lower valve rod 12; Described valve body 1 outer side surface is also respectively equipped with bleeder valve, blowdown valve.
As the further optimization of the present embodiment, in order to improve sealability, fire prevention, high temperature-proof, antistatic etc. and the Adapter Property of this product, described valve body 1 is three-body type structure, is provided with a spheroid 4 and two valve seats 5 in described valve body 1 cavity.Described connecting body 2 is fixedly connected with by bolt 23 with described valve body 1, described connecting body 2 is also provided with flange end, NPT threaded end, socket weld ends, docking welding end.Described connecting body 2 and described valve seat 5, valve body 1, and described valve body 1 and described lower valve rod 12, described valve gap 3 is respectively equipped with seal ring 7 with the junction point of described valve body 1.Described valve seat 5 is also provided with valve seat pressure ring 10, and described valve seat pressure ring 10 is fixedly connected with by screw 25 with described valve seat 5.Fire proof seal circle 14 and Packing seat 15 is also provided with between described upper valve rod 11 and described valve gap 5.Described valve gap 5 is connected by pin 20 with described land 16, and is fixed by screw 25, bolt 23.Described upper valve rod 11 is provided with electrostatic spring 21 and steel ball 22 with the joint of described spheroid 4, and described lower valve rod 12 is provided with friction pad 27 with the joint of described spheroid 4, is also provided with Nonlubricated bearing 17 outside described upper valve rod 11.Described spring energy-storage seal ring 9 adopts PTFE and ELGILOY bi-material to make.Described seal ring 7 adopts the spiral wound gasket of stainless steel sheets and Expanded graphite composition.The top of described valve body 1 is fixed by hanger 19 and described connecting body 2, and the bottom of described valve body 1 is fixed by support 18 and described connecting body 2.Wherein also be provided with O type circle 26 between upper valve rod 11 and described valve body 1, the driving mode such as drive unit 24 can adopt worm-gear driven, electronic, pneumatic, surges, gas-liquid linked.
The working state of ball valve valve described in the utility model comprises: spheroid passage overlaps with valve channel, and valve is in opening state, and according to installation needs, medium can enter from any one end of valve.Valve drives upper valve rod clockwise direction half-twist from reaching to close by worm gear drive, and valve closing, blocks the flowing medium entering valve passage.Valve is opened from closing to, drives upper valve rod counterclockwise half-twist, valve opening, as shown in Figure 1, connect flowing medium in pipeline by worm gear drive.
Assembly process of the present utility model:
(1) spheroid is loaded valve body;
(2) screw is respectively charged in the tapped hole on valve body two sides;
(3) be respectively charged into upper valve rod, lower valve rod, load screw and fix lower valve rod;
(4) spring energy-storage seal ring and Nonlubricated bearing are loaded valve gap successively;
(5) valve gap is loaded valve rod from top to bottom, load screw, screw up with a wrench;
(6) spring energy-storage seal ring assembly is loaded valve seat;
(7) spring is loaded successively in the spring eye of about two bodies, spring energy-storage seal ring is loaded left and right body;
(8) valve seat installing seal ring is loaded left and right body;
(9) about two bodies are respectively charged into valve body, then load onto support, hanger screws on nut, use torque wrench tightening nut;
(10) Packing seat and fire proof seal circle are loaded valve gap relevant position;
(11) land is contained on valve gap, is then respectively charged into screw, screw up with a wrench;
(12) finally load onto worm gear drive in land position, then screw on stud and nut respectively, screw up with a wrench;
(13) debug worm wheel head in the position of valve opening and closedown respectively, valve sets installs into.
This seal ball-valve follows API 6D completely, the design principle of PAI 6A, ASME VIII and ASME B16.34 standard, is provided with full-bore and the large series of undergauge two.The channel internal diameter of whole-through diameter ball valve is consistent with pipeline internal diameter, and not only fluid resistance is minimum, is also convenient to pipeline cleaning.And the fluid resistance of reducing ball valve is more much lower than the fluid resistance of identical bore stop valve.
Valve body adopts forging or bar machine shaping, the internationally recognized material of strict employing: ASTM A105N, ASTM A 350LF2/LF3/LF6, ASTM A182 F304/F316/F316L/F44/F51/F53/F55, HASTELLOY C 276, INCONEL625/825, MENEL 400; Soft seal loop material has: PTFE, RPTFE, PCTFE, PPL, NYLON, DEVLON, PEEK etc.Metallic sealing material has: Tungsten carbite (TC) to Tungsten carbite (TC), chromium carbide to chromium carbide, STL6 to STL6, STL21 to STL21, STL6 to STL12, STL12 to STL21.Tungsten carbite, chromium carbide adopts supersonic spray coating technology, and adhesive strength is large, and hardness is high.STL can adopt the method for surfacing or built-up welding to cover the sealing surface position of spheroid and valve seat, both wear-resisting, corrosion-resistant again, is applicable in harsh work condition environment.
The technical parameter of this seal ball-valve is:
Valve latus rectum: 2 " ~ 24 " 50 ~ 600mm;
Pressure rating: 150LB ~ 2500LB, 1.6MPa ~ 42MPa, 2000PSI ~ 10000PSI;
Applicable temperature :-196 DEG C ~ 200 DEG C;
Design standard presses API 608, ISO 17292, API 6D, API 6A etc.;
Structure length specifies numerical value by company standard or client;
End connects: flange presses ASME B16.5, API 6A-6B/6BX,
SOCKET WELDING connecting end: ASME B16.11,
Butt welding connecting end: ASME B16.25;
The relevant criterion such as test and inspection presses API6D, API 6A, AIP 598, ISO 5208.
The utility model adopts split-type structural, easy for installation, good seal performance, and the advantages such as tool is low temperature resistant, corrosion-resistant, wear-resistant, antistatic, and can perfect adaptation use with external pipe, and application widely.
Claims (9)
1. a spring energy-storage seal ring seal ball-valve, it is characterized in that: comprise valve body, connecting body, spheroid, valve seat, upper valve rod, lower valve rod, valve gap and drive unit, described valve body two ends are fixedly connected with described connecting body, spheroid and valve seat is provided with in described valve body chamber, be provided with valve seat between described spheroid and described valve seat to inlay and enclose, the junction point of described valve seat and described connecting body is respectively equipped with spring and spring energy-storage seal ring; Described spheroid top is connected with C type key by upper valve rod, described C type key top is connected with drive unit, the valve gap and land that are mutually permanently connected is provided with outside described upper valve rod and described valve body, described upper valve rod and described valve gap, described valve gap and described valve body, between described valve body and described connecting body, be respectively equipped with spring energy-storage seal ring, bottom described spheroid, be fixedly connected with lower valve rod; Described valve body outer side surface is also respectively equipped with bleeder valve, blowdown valve.
2. a kind of spring energy-storage seal ring seal ball-valve according to claim 1, is characterized in that: described valve body is three-body type structure, and be provided with a spheroid and two valve seats in described valve cavity, each valve seat is provided with twice spring energy-storage seal ring.
3. a kind of spring energy-storage seal ring seal ball-valve according to claim 1, is characterized in that: described connecting body and described valve body are bolted to connection, described connecting body is also provided with flange end, NPT threaded end, socket weld ends, docking welding end.
4. a kind of spring energy-storage seal ring seal ball-valve according to claim 1, it is characterized in that: the junction point of described connecting body and described valve seat, valve body is provided with spring energy-storage seal ring, the junction point of described valve body and described lower valve rod is provided with spring energy-storage seal ring, and the junction point of described valve gap and described valve body is provided with spring energy-storage seal ring.
5. a kind of spring energy-storage seal ring seal ball-valve according to claim 1, it is characterized in that: described valve seat is also provided with valve seat pressure ring, described valve seat pressure ring is fixedly connected with by screw with described valve seat.
6. a kind of spring energy-storage seal ring seal ball-valve according to claim 1, is characterized in that: be also provided with fire proof seal circle and Packing seat between described upper valve rod and described valve gap.
7. a kind of spring energy-storage seal ring seal ball-valve according to claim 1, is characterized in that: described valve gap and described land are connected by pin locates, and is fixed by screw, bolt.
8. a kind of spring energy-storage seal ring seal ball-valve according to claim 1, it is characterized in that: the joint of described upper valve rod and described spheroid is provided with electrostatic spring and steel ball, the joint of described lower valve rod and described spheroid is provided with friction pad, is also provided with Nonlubricated bearing outside described upper valve rod.
9. a kind of spring energy-storage seal ring seal ball-valve according to claim 1, is characterized in that: described spring energy-storage seal ring adopts PTFE and ELGILOY bi-material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520358331.2U CN204647400U (en) | 2015-05-29 | 2015-05-29 | A kind of spring energy-storage seal ring seal ball-valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520358331.2U CN204647400U (en) | 2015-05-29 | 2015-05-29 | A kind of spring energy-storage seal ring seal ball-valve |
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| CN204647400U true CN204647400U (en) | 2015-09-16 |
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| CN201520358331.2U Active CN204647400U (en) | 2015-05-29 | 2015-05-29 | A kind of spring energy-storage seal ring seal ball-valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930213A (en) * | 2015-05-29 | 2015-09-23 | 嘉兴五洲阀门有限公司 | Spring energy storage seal ring seal ball valve |
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- 2015-05-29 CN CN201520358331.2U patent/CN204647400U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930213A (en) * | 2015-05-29 | 2015-09-23 | 嘉兴五洲阀门有限公司 | Spring energy storage seal ring seal ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200116 Address after: Wenzhou city Longwan District Yongqiang High-tech Industrial Park in Zhejiang province 325000 Patentee after: Wuzhou Valve Co., Ltd. Address before: 314300 No. 88 Haihe River Road, Haiyan Economic Development Zone, Jiaxing, Zhejiang Patentee before: Jiaxing Wuzhou Valve Co., Ltd. |