CN203404411U - Underwater valve - Google Patents
Underwater valve Download PDFInfo
- Publication number
- CN203404411U CN203404411U CN201320492375.5U CN201320492375U CN203404411U CN 203404411 U CN203404411 U CN 203404411U CN 201320492375 U CN201320492375 U CN 201320492375U CN 203404411 U CN203404411 U CN 203404411U
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- valve
- valve body
- nut
- underwater
- ring
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Abstract
Provided is an underwater valve. An underwater valve comprises a valve body, two spheres, a valve seat supporting ring, two valve rods, two supporting boxes, two driving connection plates and two connection bodies, wherein the two spheres can be arranged in two valve cavities of a flow channel of the valve body in a rotating mode, the valve seat supporting ring is arranged between the two spheres and the valve body, the two valve rods are connected with the two spheres, the two supporting boxes are arranged at the upper ends of the valve body and between the two valve rods, the two driving connection plates are connected to the upper ends of the two supporting boxes, and the two connection bodies are connected to the front end and the rear end of the valve body. Sliding bearings are arranged between the supporting boxes and the valve rods, the valve body, the connection bodies, the supporting boxes, the valve rods and the like form a sealed cavity through seal elements and fasteners, a medium can be prevented from leaking out, and meanwhile the design of a water-proof ring can prevent sea water from entering the valve. According to the underwater valve, a nickel-based alloy layer is adopted to achieve the same function of an all nickel-based alloy valve, so that product cost is saved. The underwater valve has the advantages of being reasonable in material selection, novel in structure, good in process and stable in comprehensive performance.
Description
Technical field
The utility model relates to a kind of valve, is specifically related to a kind of deep-sea underwater valve.
Background technique
Ocean has abundant energy resources, and the development and utilization of marine energy is seized of very important status in energy development.Marine energy exploitation is had relatively high expectations to equipment, especially the design of valve under water, manufacture, installation etc. is had to strict requirement.
Underwater valve claims again sea cock and valve (Subsea valve), is the valvular general designation being used on submarine pipeline.At present, under water the main pooled applications of valve on the subsea manifold and conveyance conduit of marine oil and gas engineering.Due to valve under water under water cannot maintenance, repair, replacing, so valve is under water had to higher reliability and better serviceability requirement.Particularly be used in the valve under water of natural gas line, because natural gas line has the features such as pipeline pressure is high, flow velocity is fast, in the course of the work, valve internal will bear the pressure of fed sheet of a media under water, the outside pressure that will bear seawater, dives under water darker, and external pressure is larger.Meanwhile, seawater also has etching characteristic, so all higher to the requirement of selection, structure and the processing technology of valve under water.
In prior art, need badly a kind of selection rationally, novel structure, good manufacturability, underwater valve that combination property is stable.
Summary of the invention
The purpose of this utility model is the deficiency existing in order to overcome prior art, provide a kind of selection rationally, novel structure, good manufacturability, underwater valve that combination property is stable.
The utility model is achieved through the following technical solutions: a kind of underwater valve, comprise valve body, two spheroids in rotatable two valve chambers that are arranged at valve body inner flow passage, be arranged at the valve seat bracing ring between two spheroids and valve body, two valve rods that are connected with two spheroids, be arranged at the upper end portion of valve body and two support boxes between two valve rods, two that are connected in two support box upper ends drive connecting plate and pass through bolt, nut is connected in two connecting bodys of valve body rear and front end, between support box and valve rod, be provided with sliding bearing, the inner chamber of the inner chamber of described valve body and two described connecting bodys is all piled and is welded with nickel base alloy layer.
The utility model adopts two sphere structures designs, independent sealed between two spheroids and valve seat, when a ball seal structure breaks down, also has another spheroid can realize sealing function, has improved reliability.Valve body and connecting body need to adopt high strength alloy steel, under internal pressure and external pressure effect, still can guarantee good mechanical property, and amount of deformation is in the permission range of material and seal request.Corrosion resistant nickel-base alloy layer thickness is greater than 3mm, meets dielectric corrosion and life of product requirement.Valve seat and valve rod are all selected high corrosion resistant aluminium alloy material, and spherome surface sprayed wc alloy improves surface hardness and anti-scuffing function.By screw bolt and nut, valve body and connecting body are coupled together, a cavity of inner formation, meets pressure medium and carries requirement.
Described bolt is connected with cover type nut, the front end of cover type nut and the outer surface of described connecting body touch, between the front end of cover type nut and this connecting body, be provided with nut seal circle, the exposed parts of described bolt, described nut are all between cover type nut and connecting body, this structure stops seawater to produce corrosion, the working life of having improved fastening piece to the screw thread position of bolt, nut.
Described valve body is provided with respectively upper mounted plate and bottom plate by bearing pin in upper end portion and the underpart of described spheroid, between spheroid and upper mounted plate, bottom plate, is provided with positioning bearing.Upper mounted plate and bottom plate have effectively improved the centering of spheroid, avoid spheroid to depart from center and produce leakage and increasing friction force, and the moment of torsion while driving is only born in valve rod operation, does not bear moment of flexure, and operational torque is little, convenient operated valve under water.
Described valve seat bracing ring is provided with spring groove, in this spring groove, be provided with spring, the bottom at spring groove is supported in one end of spring, the other end of spring is supported on described valve body, between valve seat bracing ring and valve body, be also provided with valve seat lip-type packing and valve seat O RunddichtringO, between valve seat bracing ring and corresponding spheroid, be provided with valve seat triangular sealing ring and valve seat secondary seal circle.Between valve seat bracing ring and spheroid, adopt double sealing structure, arbitrary seal ring lost efficacy, another seal ring can also effectively stop dielectric leakage, and valve seat triangular sealing ring is the rubber parts with premium properties, there is very strong self-healing function, even if there is impurity damage Sealing in medium, can not lose efficacy easily yet, make the utlity model has good reliability.
Arranged outside in described bolt between described valve body and described connecting body has valve body waterproof ring, is provided with valve body lip-shaped sealed ring and valve body 0 RunddichtringO between described valve body and described connecting body in the inner side of described bolt.
Between described support box and described valve body, be provided with lip-type packing and support box waterproof ring, between described support box and described driving connecting plate, be provided with O RunddichtringO, between described support box and described valve rod, be provided with gland, between gland and valve rod, be provided with valve rod O RunddichtringO, between gland and support box, be provided with gland O RunddichtringO, between gland, valve rod and support box three, be provided with valve rod lip-shaped sealed ring.
On described driving connecting plate, be connected with driving head bolt and driving head nut, drive between connecting plate and driving head nut and be provided with nut waterproof ring, described driving connecting plate upper end is also provided with driving head, drives between connecting plate and driving head and is provided with driving head waterproof ring and valve rod waterproof ring.
Between valve seat bracing ring and valve body, valve body and connecting body, valve body and support box, valve rod and gland, driving connecting plate and driving head, driving connecting plate and support box, gland and valve body, select lip-type packing and O type to seal.The feature such as wherein, lip-type packing has that installation precision is high, good stability, decompression antiknock split.O RunddichtringO can effectively stop seawater to enter valve corrosion parts.Adopt two combination seals to make valve performance more reliable.Nut arranges waterproof ring, stops seawater to enter corrosion screw thread.
The beneficial effects of the utility model are: the utility model adopts double spherical sealing configuration, and two independently sealing configurations are provided, and can realize the function of two deck valve doors, weight is 2/3rds of a deck valve door, lighter during installation, time saving and energy saving, reliability is also improved simultaneously.The nickel-base alloy of valve body, connecting body inner chamber built-up welding highly corrosion resistant, can realize the function same with full nickel-base alloy valve, saves product cost, meets energy-conservation requirement.Valve body, connecting body, support box, valve rod etc. form the cavity of a sealing by Sealing and fastening piece, can stop medium to external leakage, and the design of waterproof ring simultaneously can stop seawater to enter valve.The utlity model has selection rationally, novel structure, good manufacturability, advantage that combination property is stable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the plan structure schematic diagram of Fig. 1;
Fig. 3 is cross-sectional view of the present utility model;
Fig. 4 is the structure for amplifying schematic diagram of the A portion of Fig. 3;
Fig. 5 is the structure for amplifying schematic diagram of the B portion of Fig. 3;
Fig. 6 is the structure for amplifying schematic diagram of the C portion of Fig. 3;
Fig. 7 is the structure for amplifying schematic diagram of the D portion of Fig. 3;
Fig. 8 is the structure for amplifying schematic diagram of the E portion of Fig. 3.
In the drawings: 1-valve body; 2-bearing pin; 3-bottom plate; 4-spheroid; 5-positioning bearing; 6-spacer; 7-nut; 8-bolt; 9-cover type nut; 10-connecting body; 11-static spring; 12-valve rod; 13-Upper gasket; 14-sliding bearing; 15-driving head nut; 16-support box; 17-holding down bolt; 18-driving key; 19-hexagon socket head cap screw; 20-elasticity bearing pin; 21-O RunddichtringO; 22-drives connecting plate; 23-upper mounted plate; 24-hanger; 25-valve seat bracing ring; The lip-type packing of 26-valve seat; 27-valve seat O RunddichtringO; 28-spring; 29-valve seat triangular sealing ring; 30-valve seat secondary seal circle; 31-valve rod lip-shaped sealed ring; 32-valve rod O RunddichtringO; 33-gland O RunddichtringO; 34-valve body lip-shaped sealed ring; 35-valve body 0 RunddichtringO; 36-support box seal ring; 37-nut seal circle; 38-valve body waterproof ring; 39-driving head waterproof ring; 40-driving head bolt; 41-valve rod waterproof ring; 42-driving head; 43-gland; 44-lip-shaped sealed ring; 45-nut waterproof ring.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
As Figure 1-Figure 8, a kind of underwater valve, comprises valve body 1, bearing pin 2, bottom plate 3, spheroid 4, positioning bearing 5, spacer 6, nut 7, bolt 8, cover type nut 9, connecting body 10, static spring 11, valve rod 12, Upper gasket 13, sliding bearing 14, driving head nut 15, support box 16, holding down bolt 17, driving key 18, hexagon socket head cap screw 19, elasticity bearing pin 20, O RunddichtringO 21, drive connecting plate 22, upper mounted plate 23, hanger 24, valve seat bracing ring 25, valve seat lip-type packing 26, valve seat O RunddichtringO 27, spring 28, valve seat triangular sealing ring 29, valve seat secondary seal circle 30, valve rod lip-shaped sealed ring 31, valve rod O RunddichtringO 32, gland O RunddichtringO 33, valve body lip-shaped sealed ring 34, valve body 0 RunddichtringO 35, support box seal ring 36, nut seal circle 37, valve body waterproof ring 38, driving head waterproof ring 39, driving head bolt 40, valve rod waterproof ring 41, driving head 42, gland 43, lip-shaped sealed ring 44, nut waterproof ring 45, these parts form complete two spheroid underwater valves.
The inner chamber built-up welding nickel base alloy layer of valve body 1 and connecting body 10, couples together valve body 1 and connecting body 10 by bolt 8 and nut 7, forms a cavity, meets pressure medium and carries requirement.There are cover type nut 9 and nut seal circle 37 in nut 7 outsides, stop seawater to enter corrosion screw thread.Spheroid 4, upper mounted plate 23, bottom plate 3 and bearing pin 2 are housed in the inner chamber of valve body 1 and connecting body 10, in upper mounted plate 23, bottom plate 3, positioning bearing 5 are housed, formed spheroid fixed system.Valve seat bracing ring 25, valve seat lip-type packing 26, valve seat O RunddichtringO 27, spring 28, valve seat triangular sealing ring 29, valve seat secondary seal circle 30, formed valve base sealing system.Spheroid 4 is sticked to form sealing pair with valve seat triangular sealing ring 29, valve seat secondary seal circle 30, in closed position, stops upstream medium to leak downstream.Static spring 11 on valve rod 12, Upper gasket 13 form valve rod assembly.The sliding bearing 14 of support box 16 interior installations, lip-type packing 44, support box seal ring 36, O RunddichtringO 21 form support box assembly, and valve rod assembly and support box assembly are packed in valve body 1.Pack valve rod lip-shaped sealed ring 31 into support box assembly, pack the assembly of gland 43, valve rod O RunddichtringO 32, gland O RunddichtringO 33 into support box assembly again, load onto and screwed in place bolt 17, then load onto successively driving connecting plate 22, hexagon socket head cap screw 19, valve rod waterproof ring 41, driving head waterproof ring 39, driving key 18, elasticity bearing pin 20, driving head 42, nut waterproof ring 45, driving head bolt 40 and driving head nut 15.
Finally should be noted that; above content is only in order to illustrate the technical solution of the utility model; but not restriction to the utility model protection domain; the simple modification that those of ordinary skill in the art carries out the technical solution of the utility model or be equal to replacement, does not all depart from essence and the scope of technical solutions of the utility model.
Claims (7)
1. a underwater valve, it is characterized in that: described underwater valve comprises valve body, two spheroids in rotatable two valve chambers that are arranged at valve body inner flow passage, be arranged at the valve seat bracing ring between two spheroids and valve body, two valve rods that are connected with two spheroids, be arranged at the upper end portion of valve body and two support boxes between two valve rods, two that are connected in two support box upper ends drive connecting plate and pass through bolt, nut is connected in two connecting bodys of valve body rear and front end, between support box and valve rod, be provided with sliding bearing, the inner chamber of the inner chamber of described valve body and two described connecting bodys is all piled and is welded with nickel base alloy layer.
2. underwater valve according to claim 1, it is characterized in that: described bolt is connected with cover type nut, the front end of cover type nut and the outer surface of described connecting body touch, between the front end of cover type nut and this connecting body, be provided with nut seal circle, the exposed parts of described bolt, described nut are all between cover type nut and connecting body.
3. underwater valve according to claim 1, is characterized in that: described valve body is provided with respectively upper mounted plate and bottom plate by bearing pin in upper end portion and the underpart of described spheroid, between spheroid and upper mounted plate, bottom plate, is provided with positioning bearing.
4. underwater valve according to claim 1, it is characterized in that: described valve seat bracing ring is provided with spring groove, in this spring groove, be provided with spring, the bottom at spring groove is supported in one end of spring, the other end of spring is supported on described valve body, between valve seat bracing ring and valve body, be also provided with valve seat lip-type packing and valve seat O RunddichtringO, between valve seat bracing ring and corresponding spheroid, be provided with valve seat triangular sealing ring and valve seat secondary seal circle.
5. according to the underwater valve described in claim 1,2,3 or 4, it is characterized in that: the arranged outside in described bolt between described valve body and described connecting body has valve body waterproof ring, between described valve body and described connecting body, in the inner side of described bolt, be provided with valve body lip-shaped sealed ring and valve body 0 RunddichtringO.
6. according to the underwater valve described in claim 1,2,3 or 4, it is characterized in that: between described support box and described valve body, be provided with lip-type packing and support box waterproof ring, between described support box and described driving connecting plate, be provided with O RunddichtringO, between described support box and described valve rod, be provided with gland, between gland and valve rod, be provided with valve rod O RunddichtringO, between gland and support box, be provided with gland O RunddichtringO, between gland, valve rod and support box three, be provided with valve rod lip-shaped sealed ring.
7. according to the underwater valve described in claim 1,2,3 or 4, it is characterized in that: on described driving connecting plate, be connected with driving head bolt and driving head nut, drive between connecting plate and driving head nut and be provided with nut waterproof ring, described driving connecting plate upper end is also provided with driving head, drives between connecting plate and driving head and is provided with driving head waterproof ring and valve rod waterproof ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320492375.5U CN203404411U (en) | 2013-08-13 | 2013-08-13 | Underwater valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320492375.5U CN203404411U (en) | 2013-08-13 | 2013-08-13 | Underwater valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203404411U true CN203404411U (en) | 2014-01-22 |
Family
ID=49940348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320492375.5U Expired - Lifetime CN203404411U (en) | 2013-08-13 | 2013-08-13 | Underwater valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203404411U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398189A (en) * | 2013-08-13 | 2013-11-20 | 天津诺威流体控制科技有限公司 | Subsea valve |
| CN105333171A (en) * | 2015-11-27 | 2016-02-17 | 扬中市通发实业有限公司 | Automatic electric-heating ball valve |
| CN105736731A (en) * | 2016-04-28 | 2016-07-06 | 苏州纽威阀门股份有限公司 | Ball valve |
| CN106015624A (en) * | 2016-07-25 | 2016-10-12 | 昆山维萨阀门有限公司 | Self-pressure-release type valve seat and double-ball fixed ball valve |
-
2013
- 2013-08-13 CN CN201320492375.5U patent/CN203404411U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398189A (en) * | 2013-08-13 | 2013-11-20 | 天津诺威流体控制科技有限公司 | Subsea valve |
| CN105333171A (en) * | 2015-11-27 | 2016-02-17 | 扬中市通发实业有限公司 | Automatic electric-heating ball valve |
| CN105333171B (en) * | 2015-11-27 | 2017-12-15 | 扬中市通发实业有限公司 | A kind of automatic electric-heating ball valve |
| CN105736731A (en) * | 2016-04-28 | 2016-07-06 | 苏州纽威阀门股份有限公司 | Ball valve |
| CN106015624A (en) * | 2016-07-25 | 2016-10-12 | 昆山维萨阀门有限公司 | Self-pressure-release type valve seat and double-ball fixed 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 |
Effective date of registration: 20180328 Address after: 300000 north side of Yixing Wanda Group, Beichen District, Tianjin Patentee after: TIANJIN HUAYOU HANWEI TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 300402 north side of Yixing Wanda Group, Beichen District, Tianjin Patentee before: TIANJIN NUOWEI FLUID CONTROL TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140122 |
|
| CX01 | Expiry of patent term |