CN219639166U - Hydraulic duplex safety valve for ship - Google Patents
Hydraulic duplex safety valve for ship Download PDFInfo
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- CN219639166U CN219639166U CN202321337527.4U CN202321337527U CN219639166U CN 219639166 U CN219639166 U CN 219639166U CN 202321337527 U CN202321337527 U CN 202321337527U CN 219639166 U CN219639166 U CN 219639166U
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- valve
- overflow
- valve body
- safety valve
- marine hydraulic
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- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model discloses a marine hydraulic duplex safety valve, which relates to the technical field of marine safety valves and comprises a valve body, wherein one end of the valve body is inserted with a first overflow valve, the other end of the valve body is inserted with a second overflow valve, the top of the valve body is provided with a first top interface and a second top interface, the periphery of the top of the valve body is provided with mounting slots, and the bottom of the valve body is provided with a mounting base. The first overflow valve and the second overflow valve are DBD direct-acting overflow valves, the marine hydraulic double-connected safety valve adopts a double-connected design, the response speed is higher, the internal leakage is larger, the system pressure can be controlled more timely, the design of the marine hydraulic double-connected safety valve is flexible under the combined action of the mounting slot, the mounting base and the fixed screw groove of the valve body, the marine hydraulic double-connected safety valve can be adjusted according to actual conditions, the marine hydraulic double-connected safety valve is suitable for various designs of ships, the marine hydraulic double-connected safety valve adopts a simple structural design, the failure rate is lower, and the reliability is higher.
Description
Technical Field
The utility model relates to the technical field of marine safety valves, in particular to a marine hydraulic duplex safety valve.
Background
The marine hydraulic safety valve is a safety device for ships. When the pressure in the ship steering engine hydraulic system exceeds a preset value, the automatic opening and releasing pressure is used for protecting the system from being damaged by the excessively high pressure, the hydraulic system is an important hydraulic original in the steering engine hydraulic system, plays a role in safety in the steering engine hydraulic system, mainly protects rudder blades, prevents torrents or obstacles from obstructing rudder blade steering, and plays a role in high-load split. The following problems exist in the prior art:
1. the existing marine hydraulic safety valve has higher internal leakage, the response time of the traditional marine hydraulic safety valve is longer, and when the system pressure exceeds a set value, the valve can be opened after a period of time, so that the system pressure is continuously increased, and the response speed of the system is slower;
2. the existing marine hydraulic safety valve has the defects of high failure rate, high maintenance and replacement of parts due to complex structural design and a plurality of vulnerable parts, and high failure rate; meanwhile, the existing marine hydraulic safety valve is usually required to be installed in a vertical position, the installation requirement is high, and the weight and the size of the marine hydraulic safety valve are required to be considered, so that the design of a ship is influenced.
Disclosure of Invention
In order to solve the technical problems, the utility model adopts the following technical scheme:
the marine hydraulic duplex safety valve comprises a valve body, wherein a first overflow valve is inserted into one end of the valve body, a second overflow valve is inserted into the other end of the valve body, a first top interface and a second top interface are arranged at the top of the valve body, mounting slots are formed in the periphery of the top of the valve body, a mounting base is arranged at the bottom of the valve body, and the first overflow valve comprises a first connecting pipeline; the second overflow valve comprises a second connecting pipeline; the first top interface comprises a first internal leakage interface; the second top port includes a second internal leakage port.
The technical scheme of the utility model is further improved as follows: the inside one end of first connecting tube is provided with first check valve, the one end of first check valve is provided with first interior discharge.
The technical scheme of the utility model is further improved as follows: the first overflow valve is connected with the second top port in a penetrating way through the first connecting pipeline.
The technical scheme of the utility model is further improved as follows: one end of the second connecting pipeline is provided with a second one-way valve, and one side of the second one-way valve is provided with a second inner leakage opening.
The technical scheme of the utility model is further improved as follows: the second overflow valve is connected with the first top port in a penetrating way through a second connecting pipeline.
The technical scheme of the utility model is further improved as follows: the first top interface further comprises a first fixing screw groove, and the second top interface further comprises a second fixing screw groove.
The technical scheme of the utility model is further improved as follows: the first overflow valve and the second overflow valve are DBD direct-acting overflow valves.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a marine hydraulic double-acting safety valve, which is matched with a second connecting pipeline, a second inner drain and a second one-way valve structure of a second overflow valve under the combined action of a first connecting pipeline, a first one-way valve and a first inner drain of a first overflow valve, wherein the first overflow valve is in through connection with a second top interface through the first connecting pipeline, the second overflow valve is in through connection with the first top interface through the second connecting pipeline, the types of the first overflow valve and the second overflow valve are DBD direct-acting overflow valves, the marine hydraulic double-acting safety valve adopts a double-acting design, the response speed is faster, the inner drain is larger, and the system pressure can be controlled more timely.
2. The utility model provides a marine hydraulic duplex safety valve, which is characterized in that under the combined action of mounting slots formed in the periphery of the top of a valve body and a mounting base arranged at the bottom of the valve body, a first top connector also comprises a first fixing screw groove, a second top connector also comprises a second fixing screw groove, the conventional marine hydraulic safety valve is usually required to be mounted at a vertical position, the mounting requirement is higher, and the weight and the size of the marine hydraulic safety valve are required to be considered, so that the design of a ship is influenced. The marine hydraulic duplex safety valve is flexible in design, can be adjusted according to actual conditions, is suitable for various designs of ships, adopts a simple structural design, and is low in failure rate and high in reliability.
Drawings
FIG. 1 is a schematic structural view of a marine hydraulic double safety valve of the present utility model;
FIG. 2 is a schematic cross-sectional structure of the marine hydraulic duplex safety valve of the utility model;
FIG. 3 is a schematic top view of the hydraulic double safety valve for a ship;
fig. 4 is a schematic view of the bottom structure of the hydraulic duplex safety valve for a ship according to the present utility model.
In the figure: 1. a valve body; 2. a first overflow valve; 3. a mounting base; 4. a first top interface; 5. a second top interface; 6. installing a slot; 7. a second overflow valve; 21. a first internal vent; 22. a first one-way valve; 23. a first connecting pipe; 71. a second connecting pipe; 72. a second one-way valve; 73. a second internal vent; 41. a first internal leakage interface; 42. a first fixing screw groove; 51. a second internal leakage interface; 52. and a second fixing screw groove.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1-4, the utility model provides a marine hydraulic duplex safety valve, which comprises a valve body 1, wherein one end of the valve body 1 is inserted with a first overflow valve 2, the other end of the valve body 1 is inserted with a second overflow valve 7, and the top of the valve body 1 is provided with a first top connector 4 and a second top connector 5.
Example 2
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides the following technical solutions: preferably, the first overflow valve 2 comprises a first connecting pipeline 23, a first check valve 22 is arranged at one end inside the first connecting pipeline 23, a first inner drain 21 is arranged at one end of the first check valve 22, the first overflow valve 2 is in through connection with the second top interface 5 through the first connecting pipeline 23, the second overflow valve 7 comprises a second connecting pipeline 71, a second check valve 72 is arranged at one end of the second connecting pipeline 71, a second inner drain 73 is arranged at one side of the second check valve 72, the second overflow valve 7 is in through connection with the first top interface 4 through the second connecting pipeline 71, and the types of the first overflow valve 2 and the second overflow valve 7 are DBD direct-acting overflow valves.
In this embodiment, under the combined action of the first connecting pipeline 23, the first check valve 22 and the first internal drain 21 of the first overflow valve 2, the structure of the second connecting pipeline 71, the second internal drain 73 and the second check valve 72 of the second overflow valve 7 is matched, the first overflow valve 2 is in through connection with the second top interface 5 through the first connecting pipeline 23, the second overflow valve 7 is in through connection with the first top interface 4 through the second connecting pipeline 71, and the types of the first overflow valve 2 and the second overflow valve 7 are DBD direct-acting overflow valves.
Example 4
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides the following technical solutions: preferably, the first top interface 4 includes a first internal leakage interface 41, the second top interface 5 includes a second internal leakage interface 51, the first top interface 4 further includes a first fixing groove 42, the second top interface 5 further includes a second fixing groove 52, the top of the valve body 1 is provided with mounting slots 6 around, and the bottom of the valve body 1 is provided with a mounting base 3.
In this embodiment, under the combined action of the installation slots 6 formed around the top of the valve body 1 and the installation base 3 formed at the bottom of the valve body 1, the first top connector 4 further includes the first fixing screw groove 42, the second top connector 5 further includes the second fixing screw groove 52, and the conventional marine hydraulic safety valve usually needs to be installed in a vertical position, so that the installation requirement is high, and the weight and the volume of the marine hydraulic safety valve need to be considered, so that the design of the ship is affected. The marine hydraulic duplex safety valve is flexible in design, can be adjusted according to actual conditions, is suitable for various designs of ships, adopts a simple structural design, and is low in failure rate and high in reliability.
The working principle of the marine hydraulic duplex safety valve is specifically described below.
As shown in fig. 1-4, under the combined action of the first connecting pipeline 23, the first one-way valve 22 and the first internal leakage port 21 of the first overflow valve 2, the first overflow valve 2 is in through connection with the second top port 5 through the first connecting pipeline 23, and the second overflow valve 7 is in through connection with the first top port 4 through the second connecting pipeline 71, and the types of the first overflow valve 2 and the second overflow valve 7 are DBD direct acting overflow valves, the marine hydraulic double safety valve adopts a double design, the response speed is faster, the internal leakage amount is larger, the system pressure can be controlled more timely, under the combined action of the mounting slots 6 formed at the periphery of the top of the valve body 1 and the mounting base 3 arranged at the bottom of the valve body 1, the first top port 4 also comprises the first fixing screw groove 42, the second top port 5 also comprises the second fixing screw groove 52, and the conventional marine hydraulic safety valve is usually required to be mounted at a vertical position, and the marine hydraulic double safety valve is required to be mounted in a high size and has a small design in consideration of the weight and influence on the marine hydraulic safety valve. The marine hydraulic duplex safety valve is flexible in design, can be adjusted according to actual conditions, is suitable for various designs of ships, adopts a simple structural design, and is low in failure rate and high in reliability.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (7)
1. The marine hydraulic duplex safety valve comprises a valve body (1), and is characterized in that: one end of the valve body (1) is inserted with a first overflow valve (2), the other end of the valve body (1) is inserted with a second overflow valve (7), the top of the valve body (1) is provided with a first top interface (4) and a second top interface (5), mounting slots (6) are formed in the periphery of the top of the valve body (1), the bottom of the valve body (1) is provided with a mounting base (3), and the first overflow valve (2) comprises a first connecting pipeline (23); the second overflow valve (7) comprises a second connecting pipeline (71); the first top interface (4) comprises a first internal leakage interface (41); the second top interface (5) comprises a second internal leakage interface (51).
2. The marine hydraulic double safety valve according to claim 1, wherein: the inside one end of first connecting pipeline (23) is provided with first check valve (22), the one end of first check valve (22) is provided with first interior bleeder (21).
3. The marine hydraulic double safety valve according to claim 2, wherein: the first overflow valve (2) is connected with the second top joint (5) in a penetrating way through a first connecting pipeline (23).
4. The marine hydraulic double safety valve according to claim 1, wherein: one end of the second connecting pipeline (71) is provided with a second one-way valve (72), and one side of the second one-way valve (72) is provided with a second inner drain (73).
5. The marine hydraulic duplex safety valve according to claim 4, wherein: the second overflow valve (7) is connected with the first top joint (4) in a penetrating way through a second connecting pipeline (71).
6. The marine hydraulic double safety valve according to claim 1, wherein: the first top interface (4) further comprises a first fixing screw groove (42), and the second top interface (5) further comprises a second fixing screw groove (52).
7. The marine hydraulic double safety valve according to claim 1, wherein: the model of the first overflow valve (2) and the model of the second overflow valve (7) are DBD direct-acting overflow valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321337527.4U CN219639166U (en) | 2023-05-20 | 2023-05-20 | Hydraulic duplex safety valve for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321337527.4U CN219639166U (en) | 2023-05-20 | 2023-05-20 | Hydraulic duplex safety valve for ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219639166U true CN219639166U (en) | 2023-09-05 |
Family
ID=87816754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321337527.4U Active CN219639166U (en) | 2023-05-20 | 2023-05-20 | Hydraulic duplex safety valve for ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219639166U (en) |
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2023
- 2023-05-20 CN CN202321337527.4U patent/CN219639166U/en active Active
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