Hydrostatic pressure release device for polar raft

Abstract

The utility model discloses a polar raft hydrostatic pressure releasing device which comprises a mounting seat, a mounting shell is fixedly connected to the lower end of the mounting seat, a spring cutter is inserted into the mounting shell, a diaphragm unlocking device is assembled at the upper end of the mounting seat, and the diaphragm unlocking device is matched with the spring cutter. Water flow can be extruded into a sleeving groove from a water inlet hole by water pressure, meanwhile, the water pressure can extrude a sealing diaphragm to move into a cavity shell of the sealing diaphragm, and therefore a supporting disc can be driven to move, a limiting column can be driven to move, the limiting column is pulled out of a limiting hole, at the moment, a blade seat is unlocked, and the blade seat can be pushed out by a compressed first spring; when the polar raft is used, the rope sleeved in the rope penetrating pipe is cut off, at the moment, the rope binding the polar raft is unlocked, the supporting blocks are evenly and fixedly connected to the inner bottom face of the sleeving groove, so that water flow can enter the polar raft more quickly, and the rope unlocking speed of the polar raft is increased.

Description

Technical Field

[0001] The utility model relates to a polar raft hydrostatic pressure release device and the technical field, in particular to a polar raft hydrostatic pressure release device. Background Art

[0002] In order to avoid accidents and to survive in time on ships, ships are usually equipped with polar rafts. Nowadays, polar rafts are usually tied to ships by ropes. Therefore, when an accident occurs on the ship, the ropes can be quickly unlocked and the polar raft can be quickly deployed. It has become a top priority. The hydrostatic pressure release device can cut the rope by water pressure. It is widely used on the ropes tied to the polar raft. However, the diaphragm and the base of the current hydrostatic pressure release device are usually fitted together, which causes the water flow to enter slowly, and then causes the process of cutting the rope to be slow. In response to the above problems, a polar raft hydrostatic pressure release device is proposed. Utility Model Content

[0003] The purpose of the present utility model is to provide a polar raft hydrostatic pressure release device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a polar raft hydrostatic pressure release device, comprising a mounting seat, the lower end of which is fixedly connected to a mounting shell, a spring cutter is inserted into the mounting shell, and the upper end of the mounting seat is equipped with a diaphragm unlocker, and the diaphragm unlocker cooperates with the spring cutter.

[0005] Preferably, the mounting seat includes a mounting seat body, the upper end of the mounting seat body is integrally formed with a socket groove, the middle part of the socket groove is integrally formed with a limited position socket, the inner bottom surface of the socket groove is evenly fixedly connected with a support block, and the mounting seat body is located in the socket groove and is penetrated by multiple water inlet holes.

[0006] Preferably, the mounting shell includes a mounting shell body, a rope passing tube is integrally formed on the right side of the mounting shell body, and the middle portion of the rope passing tube is connected to the inner cavity of the mounting shell body.

[0007] Preferably, the spring cutting knife includes a support seat, which is inserted into the mounting shell body and fixedly connected to the mounting shell body by screws. The support seat is located in the mounting shell body and is squeezed with a first spring. The squeeze of the first spring is fixedly connected to a blade seat. The right side of the blade seat is fixedly connected to a blade. A limiting hole is provided on the blade seat, and the limiting hole is opposite to the limiting socket up and down.

[0008] Preferably, the diaphragm unlocker includes a cavity shell, the upper end of the cavity shell is fixedly connected to a one-way valve, the lower end of the cavity shell is sleeved with a sealing diaphragm, the middle part of the sealing diaphragm is fixedly connected to a support plate, the lower side of the support plate is plugged with a limiting column, the lower end of the limiting column is plugged into the limiting socket, and the lower side of the limiting column passes through the mounting shell body and is plugged together with the limiting hole, and the upper side of the support plate is squeezed with a second spring.

[0009] The beneficial effects of the utility model are:

[0010] When the bundled polar raft of the present invention falls into the water, the water flow will be squeezed into the socket groove from the water inlet by the water pressure. At the same time, the water pressure will squeeze the sealing diaphragm to move into its cavity shell, thereby also driving the support plate to move, and then driving the limit column to move, so that the limit column is pulled out from the limit hole. At this time, the blade seat is unlocked, and the blade seat is pushed out by the compressed first spring to cut the rope connected to the rope through the tube. At this time, the rope binding the polar raft is unlocked, and the inner bottom surface of the socket groove of the utility model is evenly fixedly connected with the support blocks, so that the water flow can enter more quickly, thereby accelerating the speed of unlocking the rope. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the disassembly of the structure of the utility model;

[0013] Figure 3 This is a schematic diagram of the mounting base structure of the utility model.

[0014] In the figure: mounting seat 1, mounting seat body 11, socket groove 12, limiting jack 13, support block 14, water inlet hole 15, mounting shell 2, mounting shell body 21, rope passing tube 22, spring cutter 3, support seat 31, screw 32, first spring 33, blade seat 34, limiting hole 35, diaphragm unlocker 4, cavity shell 41, one-way valve 42, sealing diaphragm 43, support plate 44, limiting column 45, second spring 46. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0016] See also Figure 1-3The utility model provides a technical solution: a polar raft hydrostatic pressure release device, comprising a mounting seat 1, the lower end of the mounting seat 1 is fixedly connected to a mounting shell 2, a spring cutter 3 is inserted into the mounting shell 2, and the upper end of the mounting seat 1 is equipped with a diaphragm unlocker 4, and the diaphragm unlocker 4 cooperates with the spring cutter 3.

[0017] Specifically, the mounting base 1 includes a mounting base body 11, the upper end of the mounting base body 11 is integrally formed with a socket groove 12, the middle part of the socket groove 12 is integrally formed with a limited position socket 13, the inner bottom surface of the socket groove 12 is evenly fixedly connected with a support block 14, and the mounting base body 11 is located in the socket groove 12 and is penetrated by multiple water inlet holes 15.

[0018] Specifically, the mounting shell 2 includes a mounting shell body 21 , a rope passing tube 22 is integrally formed on the right side of the mounting shell body 21 , and the middle portion of the rope passing tube 22 is connected to the inner cavity of the mounting shell body 21 .

[0019] Specifically, the spring cutting knife 3 includes a support seat 31, which is inserted into the mounting shell body 21 and fixedly connected to the mounting shell body 21 by screws 32. The support seat 31 is located in the mounting shell body 21 and is squeezed with a first spring 33. The first spring 33 is fixedly connected to a blade seat 34. A blade is fixedly connected to the right side of the blade seat 34. A limiting hole 35 is provided on the blade seat 34, and the limiting hole 35 is opposite to the limiting socket 13 up and down.

[0020] Specifically, the diaphragm unlocker 4 includes a cavity shell 41, the upper end of the cavity shell 41 is fixedly connected to the one-way valve 42, the lower end of the cavity shell 41 is sleeved with a sealing diaphragm 43, the middle part of the sealing diaphragm 43 is fixedly connected to a support plate 44, and the lower side of the support plate 44 is inserted with a limiting column 45, the lower end of the limiting column 45 is inserted into the limiting socket 13, and the lower side of the limiting column 45 passes through the mounting shell body 21 and is inserted together with the limiting hole 35, and the upper side of the support plate 44 is squeezed with a second spring 46.

[0021] Working principle: When the bundled polar raft falls into the water, the water flow will be squeezed into the socket groove 12 from the water inlet hole 15 by the water pressure. At the same time, the water pressure will squeeze the sealing diaphragm 43 to move into its cavity shell 41, thereby also driving the support plate 44 to move, and then driving the limit column 45 to move, so that the limit column 45 is pulled out from the limit hole 35. At this time, the blade seat 34 is unlocked, and the blade seat 34 will be pushed out by the compressed first spring 33, cutting off the rope that is sleeved in the rope passing tube 22. At this time, the rope that binds the polar raft is unlocked, and the inner bottom surface of the socket groove 12 of the utility model is evenly fixedly connected with the support block 14 to support its sealing diaphragm 43, so that the water flow can enter more quickly, thereby speeding up the speed of unlocking the rope.

[0022] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A polar raft hydrostatic pressure relief device, comprising a mounting seat (1), characterized in that: The lower end of the mounting seat (1) is fixedly connected to a mounting shell (2), a spring cutter (3) is inserted into the mounting shell (2), and the upper end of the mounting seat (1) is equipped with a diaphragm unlocker (4), which cooperates with the spring cutter (3).

2. The polar raft hydrostatic pressure relief device according to claim 1, characterized in that: The mounting seat (1) comprises a mounting seat body (11), a sleeve groove (12) is integrally formed at the upper end of the mounting seat body (11), a limited insertion hole (13) is integrally formed in the middle of the sleeve groove (12), a support block (14) is evenly fixedly connected to the inner bottom surface of the sleeve groove (12), and a plurality of water inlet holes (15) are penetrated through the mounting seat body (11) located in the sleeve groove (12).

3. The polar raft hydrostatic pressure relief device according to claim 2, characterized in that: The mounting shell (2) comprises a mounting shell body (21), a rope passing tube (22) is integrally formed on the right side of the mounting shell body (21), and the middle portion of the rope passing tube (22) is connected to the inner cavity of the mounting shell body (21).

4. The polar raft hydrostatic pressure relief device according to claim 3, characterized in that: The spring cutting knife (3) includes a support seat (31), the support seat (31) is inserted into the mounting shell body (21), and the support seat (31) is fixedly connected to the mounting shell body (21) through a screw (32), the support seat (31) is located in the mounting shell body (21) and is squeezed with a first spring (33), the squeeze of the first spring (33) is fixedly connected to a blade seat (34), the right side of the blade seat (34) is fixedly connected to a blade, and a limiting hole (35) is provided on the blade seat (34), and the limiting hole (35) is opposite to the limiting plug hole (13) in upper and lower directions.

5. The polar raft hydrostatic pressure relief device according to claim 4, characterized in that: The diaphragm unlocker (4) includes a cavity shell (41), the upper end of the cavity shell (41) is fixedly connected to a one-way valve (42), the lower end of the cavity shell (41) is sleeved with a sealing diaphragm (43), the middle part of the sealing diaphragm (43) is fixedly connected to a support plate (44), the lower side of the support plate (44) is plugged with a limiting column (45), the lower end of the limiting column (45) is plugged into the limiting plug hole (13), and the lower side of the limiting column (45) passes through the mounting shell body (21) and is plugged into the limiting hole (35), and the upper side of the support plate (44) is squeezed with a second spring (46).

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