CN212028591U - Underwater accident valve - Google Patents
Underwater accident valve Download PDFInfo
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- CN212028591U CN212028591U CN202020573840.8U CN202020573840U CN212028591U CN 212028591 U CN212028591 U CN 212028591U CN 202020573840 U CN202020573840 U CN 202020573840U CN 212028591 U CN212028591 U CN 212028591U
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Abstract
The utility model discloses an accident valve under water, the valve body subassembly is connected with hydraulic driver, which comprises a valve body, the disk seat subassembly, the flashboard, the grease squirt, the pneumatic cylinder, a spring, the bleeder valve, provide the hydraulic oil of certain pressure in to the pneumatic cylinder through external pressure source, the drive pneumatic cylinder removes, final drive valve rod and the reciprocal linear motion of flashboard, as fluid pipeline's controlling means, under normal operating condition, open the valve through hydraulic drive, the switch-on pipeline, when meetting emergency, the hydraulic pressure source disconnection, the valve is closed rapidly under the effect of spring force, the circulation of cut-off pipeline medium, valve tip interface adopts standard flange joint, convenient and fast is dismantled in the installation. The straight-through drift diameter has small fluid resistance, quick and convenient opening and closing, no restriction on medium flow direction and unique pressure compensation mechanism, and meets the working conditions under different water depths.
Description
Technical Field
The utility model belongs to the technical field of the oil machinery and specifically relates to an accident valve under water is related to.
Background
The underwater accident valve is a typical underwater gate valve, the underwater gate valve is used in valves of the whole underwater drilling production system, the using amount is the largest, the technical content is high, the underwater accident valve is also one of important components in a BOP (blow-off gas valve) set, an underwater wellhead device, an underwater Christmas tree, an underwater manifold and other systems, and the performance of the underwater accident valve is directly related to the reliability and the safety of the underwater system.
The hydraulic valve opens or adjusts the valve through hydraulic pressure, provides the hydraulic oil of certain pressure in the pneumatic cylinder through external pressure source, drives the pneumatic cylinder and removes, drives valve rod and flashboard reciprocal linear motion finally.
Disclosure of Invention
In order to solve the problem, the utility model provides an accident valve under water, accident valve under water comprises valve body assembly and hydraulic driver, is a typical safe gate valve that became invalid under water, provides the hydraulic oil of certain pressure in to the pneumatic cylinder through external pressure source, and the drive pneumatic cylinder removes, finally drives the reciprocal linear motion of valve rod and flashboard, the utility model discloses the theory of operation is: as a control device of the fluid pipeline, under the normal working state, the valve is opened through hydraulic drive, and the pipeline is communicated. When an emergency occurs, the hydraulic source is disconnected, the valve is rapidly closed under the action of the spring force, and the circulation of pipeline media is cut off.
In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme: an underwater accident valve is characterized by comprising a valve body assembly and a hydraulic driver, wherein the valve body assembly comprises a valve body, a tail rod is arranged at the axis of the valve body, a valve rod cover is arranged at the right end of the tail rod, which extends out of the valve body, a sealing assembly is arranged between the right end of the valve body and the tail rod, a flashboard is connected and arranged at the left side of the tail rod, and a valve seat assembly is arranged outside the flashboard; the right end of the hydraulic driver is connected with the valve body assembly, a plug assembly is arranged above the outer side of the joint, an oil injector is arranged below the outer side, a valve rod assembly is arranged at the right axis of the hydraulic driver, a wear-resisting ring is sleeved on the right side of the valve rod assembly, a sealing device is sequentially arranged on the left side of the wear-resisting ring, a packing gland is connected to the left side of the sealing device, a first relief valve is arranged below the sealing device, an outer cover and a valve cover are connected through a flange type bolt, a stop ring, a check ring and a second O-shaped ring are arranged at the joint, a hydraulic cylinder is arranged in the middle of the hydraulic driver, springs are uniformly and symmetrically distributed on the outer side of the hydraulic cylinder, a first piston is arranged inside the hydraulic cylinder, a sealing ring is arranged on the right side of the contact surface of the first piston and the hydraulic cylinder, and a second relief valve is arranged in the middle of the second piston.
Furthermore, the sealing assembly is sequentially provided with a first spacer ring, a first rod seal and a first gasket from left to right, and the right side of the first gasket is provided with a first O-shaped ring.
Furthermore, a cushion ring is arranged at the joint of the left side of the valve body and the hydraulic driver, and a stud at the joint of the cushion ring and the hydraulic driver is matched with a nut.
Furthermore, the sealing device is provided with a second spacer ring, a second rod seal and a second gasket from right to left.
Furthermore, a cover plate is arranged outside the left end of the hydraulic driver, and the cover plate is matched with the outer cover through a plug and a plug.
The utility model has the advantages that:
the valve end interface adopts standard flange connection, and the installation is dismantled convenient and fast. The straight-through type drift diameter has small fluid resistance, rapid and convenient opening and closing, and the medium flow direction is not limited. The unique pressure compensation mechanism meets the working conditions under different water depths.
Drawings
Fig. 1 is a front view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the sealing assembly of the valve body assembly of the present invention.
Fig. 3 is a top view of the overall structure of the present invention.
Fig. 4 is a schematic structural diagram of the hydraulic actuator of the present invention.
Fig. 5 is a schematic structural diagram of a sealing device of the hydraulic actuator of the present invention.
Wherein, 1-valve body component, 11-valve body, 12-valve seat component, 13-rod sealing I, 14-gasket I, 15-spacer ring I, 16-valve rod cover, 17-first O-shaped ring, 18-sealing component, 19-flashboard, 110-tail rod, 111-stud, 112-nut, 113-backing ring;
2-hydraulic drive, 21-valve cover, 22-oil injector, 23-plug assembly, 24-wear ring, 25-rod seal two, 26-gasket two, 27-spacer ring two, 28-first relief valve, 29-second O-ring, 210-sealing device, 211-gland, 212-plug, 213-valve rod assembly, 214-retainer ring, 215-stop ring, 216-plug, 217-flange bolt, 218-housing, 219-cover plate, 220-hydraulic cylinder, 221-spring, 222-spring retainer ring, 223-first piston, 224-seal ring, 225-wear ring, 226-second piston, 227-second relief valve.
Detailed Description
The following description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings of fig. 1-5, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.
An underwater accident valve is characterized by comprising a valve body assembly 1 and a hydraulic driver 2, wherein the valve body assembly 1 comprises a valve body 11, a tail rod 110 is arranged at the axis of the valve body 11, a valve rod cover 16 is arranged at the right end of the tail rod 110, which extends out of the valve body 11, a sealing assembly 18 is arranged between the right end of the valve body 11 and the tail rod 110, a flashboard 19 is connected to the left side of the tail rod 110, and a valve seat assembly 12 is arranged outside the flashboard 19; the right end of the hydraulic driver 2 is connected with the valve body assembly 1, a plug assembly 23 is arranged above the outer side of the connection, an oil injector 22 is arranged below the outer side, a valve rod assembly 213 is arranged at the right axis of the hydraulic driver 2, a wear-resisting ring 24 is sleeved on the right side of the valve rod assembly 213, a sealing device 210 is sequentially arranged on the left side of the wear-resisting ring 24, a packing gland 211 is connected to the left side of the sealing device 210, a first relief valve 28 is arranged below the sealing device 210, the outer cover 218 is connected with the valve cover 21 through a flange bolt 217, a stop ring 215, a retainer ring 214 and a second O-shaped ring 29 are arranged at the connection, a hydraulic cylinder 220 is arranged in the middle of the hydraulic driver 2, springs 221 are uniformly and symmetrically distributed on the outer side of the hydraulic cylinder 220, a first piston 223 is arranged inside the hydraulic cylinder 220, a seal ring 224 is arranged, a second piston 226 is arranged on the left side of the first piston 223, a wear-resisting ring 225 is arranged on the contact surface of the second piston 226 and the hydraulic cylinder 220, and a second release valve 227 is arranged in the middle of the second piston 226; the sealing assembly 18 is sequentially provided with a first spacer ring 15, a first rod sealing 13 and a first gasket 14 from left to right, and the right side of the first gasket 14 is provided with a first O-shaped ring 17; a gasket ring 113 is arranged at the joint of the left side of the valve body 11 and the hydraulic driver 2, and a stud 111 at the joint of the gasket ring 113 and the hydraulic driver 2 is matched with a nut 112; the sealing device 210 is provided with a second spacer ring 27, a second rod seal 25 and a second gasket 26 from right to left; a cover plate 219 is arranged outside the left end of the hydraulic driver 2, and the cover plate 219 is matched with the outer cover 218 through a plug 212 and a plug 216.
The hydraulic cylinder assembly is arranged in the outer cover, the step at the upper end of the hydraulic cylinder is connected with the spring retainer ring, oil is injected into the working cavity through the oil injector, the hydraulic cylinder is pushed to slide along the outer diameter surface of the piston, the spring retainer ring is pushed, and meanwhile, the valve rod is moved by compressing the spring so that the flashboard reciprocates; the underwater accident valve is provided with a pressure compensation mechanism, so that the underwater accident valve can be suitable for working conditions with different water depths; the tail rod is arranged at the bottom of the valve body, so that the pressure of the valve cavity can be effectively balanced, and the tail rod cover are convenient for observing the opening and closing states of the valve; when an emergency occurs, the hydraulic source is disconnected, the valve is rapidly closed under the action of the spring force, and the circulation of pipeline media is cut off.
Referring to figures 1 to 4 of the drawings: when the valve is closed, the spring in the driver is in an original state, when the valve is opened, hydraulic oil is injected into a working cavity of the hydraulic cylinder through an oil injector hole in the side surface of the piston, the hydraulic cylinder is pushed by hydraulic pressure, the hydraulic cylinder drives the spring retainer ring to move, meanwhile, the spring is compressed, finally, the valve rod and the gate plate are driven to move downwards, and at the moment, the valve is opened;
when hydraulic pressure force is removed or power is lost, the spring is in a compression state at the moment, upward elastic force drives the spring retainer ring and the hydraulic cylinder to move upwards, the spring resets to drive the valve rod assembly and the flashboard to move upwards, and the valve is closed at the moment.
The unique pressure compensation mechanism meets the working conditions under different water depths. As shown in figure 3 of the attached drawings, the piston can move up and down according to different water depths and different pressures, and the pressure compensation function is achieved.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used for the transformation, or directly or indirectly applied to other related technical fields, which are all included in the same way in the patent protection scope of the present invention.
Claims (5)
1. An underwater accident valve is characterized by comprising a valve body assembly and a hydraulic driver, wherein the valve body assembly comprises a valve body, a tail rod is arranged at the axis of the valve body, a valve rod cover is arranged at the right end of the tail rod, which extends out of the valve body, a sealing assembly is arranged between the right end of the valve body and the tail rod, a flashboard is connected and arranged at the left side of the tail rod, and a valve seat assembly is arranged outside the flashboard;
the right end of the hydraulic driver is connected with the valve body assembly, a plug assembly is arranged above the outer side of the joint, an oil injector is arranged below the outer side, a valve rod assembly is arranged at the right axis of the hydraulic driver, a wear-resisting ring is sleeved on the right side of the valve rod assembly, a sealing device is sequentially arranged on the left side of the wear-resisting ring, a packing gland is connected to the left side of the sealing device, a first relief valve is arranged below the sealing device, an outer cover and a valve cover are connected through a flange type bolt, a stop ring, a check ring and a second O-shaped ring are arranged at the joint, a hydraulic cylinder is arranged in the middle of the hydraulic driver, springs are uniformly and symmetrically distributed on the outer side of the hydraulic cylinder, a first piston is arranged inside the hydraulic cylinder, a sealing ring is arranged on the right side of the contact surface of the first piston and the hydraulic cylinder, and a second relief valve is arranged in the middle of the second piston.
2. An underwater accident valve according to claim 1, wherein the sealing assembly is provided with a first spacer ring, a first rod seal and a first gasket from left to right in sequence, and the right side of the first gasket is provided with a first O-ring.
3. An underwater accident valve according to claim 1, wherein a grommet is provided at the connection of the left side of the valve body and the hydraulic driver, and a stud at the connection of the grommet and the hydraulic driver is adapted to a nut.
4. An underwater accident valve according to claim 1, wherein the sealing means is provided with a second spacer ring, a second rod seal and a second gasket from right to left.
5. An underwater accident valve according to claim 1, wherein a cover plate is provided on the outside of the left end of the hydraulic actuator, and the cover plate and the outer cover are adapted to each other by a plug and a plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020573840.8U CN212028591U (en) | 2020-04-17 | 2020-04-17 | Underwater accident valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020573840.8U CN212028591U (en) | 2020-04-17 | 2020-04-17 | Underwater accident valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212028591U true CN212028591U (en) | 2020-11-27 |
Family
ID=73495131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020573840.8U Active CN212028591U (en) | 2020-04-17 | 2020-04-17 | Underwater accident valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212028591U (en) |
-
2020
- 2020-04-17 CN CN202020573840.8U patent/CN212028591U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230425 Address after: No. 16, Xihenggang Street, Yangchenghu Town, Xiangcheng District, Suzhou City, Jiangsu Province, 215138 Patentee after: Suzhou Dawson Drilling and Production Equipment Co.,Ltd. Address before: 215137 Taiping Town, Suzhou, Jiangsu, Xiangcheng District Patentee before: SUZHOU DOUSON DRILLING & PRODUCTION EQUIPMENT Co.,Ltd. |