CN118009042B - A sea valve - Google Patents
A sea valveInfo
- Publication number
- CN118009042B CN118009042B CN202410367350.5A CN202410367350A CN118009042B CN 118009042 B CN118009042 B CN 118009042B CN 202410367350 A CN202410367350 A CN 202410367350A CN 118009042 B CN118009042 B CN 118009042B
- Authority
- CN
- China
- Prior art keywords
- valve
- connecting rod
- valve body
- rotating shaft
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
- F16K1/2042—Special features or arrangements of the sealing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
- F16K27/0227—Check valves or pivoted valves with the valve members swinging around an axis located at the edge of or outside the valve member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a sea valve which comprises a valve body, a driving part and a valve cover, wherein two ends of the valve body are opened, a sealing surface is arranged in the valve body, one opening end of the valve body penetrates through the sealing surface, a rotating shaft is rotatably supported in the valve body, the rotating shaft is fixed with a first connecting rod, the first connecting rod is hinged with a second connecting rod, the second connecting rod is hinged with a connecting block, the third connecting rod is respectively hinged with the valve body and the connecting block, a telescopic cylinder is respectively connected with the valve body and the connecting block, the valve cover is arranged in the valve body and connected with the rotating shaft, and the end surface of the valve cover can be clung to the sealing surface. The telescopic cylinder in the invention can drive the rotating shaft to rotate, and the rotating shaft can drive the valve cover to realize the abutting of the sealing surface when rotating, thereby realizing the on-off of the valve body, the sea valve has simple and reliable structure, small volume and further lightening the weight, the installation and maintenance cost of the sea valve is reduced, the valve cover can flexibly act on the premise of meeting the requirement of a large drift diameter, and the driving part can reliably drive the valve cover to swing, so that the sea valve can reliably realize on-off.
Description
Technical Field
The invention relates to the field of sea valves, in particular to a sea valve.
Background
The marine log is generally provided with an electromagnetic sensor and a Doppler transducer for measuring the speed of the ship, and the electromagnetic sensor and the Doppler transducer are in contact with seawater when in use, otherwise, the marine log cannot work normally, so that a sea going valve is required to be used, the sea going valve is arranged on a ship bottom base, and after the sea going valve is opened, the electromagnetic sensor and the Doppler transducer can extend out of a ship bottom plate through the sea going valve and contact with the seawater.
The sea valve used by the conventional log is generally a ball valve or a gate valve, and the ball valve or the gate valve with larger drift diameter generally has the defects of large volume, large weight and the like, the sea valve needs larger installation space and is not beneficial to being installed in a narrow hull bottom cabin, and meanwhile, the structure for controlling the on-off of the valve body is complex and has high failure rate.
Therefore, how to provide a sea valve, which can overcome the above problems, is a problem that a person skilled in the art needs to solve.
Disclosure of Invention
In view of this, the present invention provides a sea valve.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
A sea valve comprising:
The two ends of the valve body are opened, a sealing surface is arranged in the valve body, and one opening end of the valve body penetrates through the sealing surface;
The driving part comprises a rotating shaft, a first connecting rod, a second connecting rod, a third connecting rod and a telescopic cylinder, wherein the rotating shaft is rotatably supported in the valve body, one end of the rotating shaft is fixed with one end of the first connecting rod after penetrating through a valve wall of the valve body, the length direction of the rotating shaft is perpendicular to the length direction of the first connecting rod, the other end of the first connecting rod is hinged with one end of the second connecting rod, the other end of the second connecting rod is hinged with the connecting rod, the other end of the second connecting rod is provided with a second hinging shaft, one end of the third connecting rod is hinged with the valve body, the other end of the third connecting rod is hinged with the connecting rod, the other end of the third connecting rod is provided with a fourth hinging shaft, the fixed end of the telescopic cylinder is hinged with the valve body, the telescopic end of the telescopic cylinder is connected with the connecting rod, the first hinging shaft, the second hinging shaft, the third hinging shaft and the fifth hinging shaft are parallel to the shaft, the second hinging shaft and the fourth hinging shaft are overlapped with the first hinging shaft, the fourth hinging shaft and the telescopic cylinder are arranged in the direction of the telescopic shaft;
The valve cover is arranged in the valve body and connected with the rotating shaft, one end face of the valve cover can be clung to the sealing face, and the valve cover can seal an opening end of the valve body corresponding to the sealing face.
Compared with the prior art, the sea valve has the advantages that the valve body, the driving part and the valve cover positioned in the valve body are designed, the telescopic cylinder in the driving part can drive the rotating shaft to rotate, and the valve cover can be driven to tightly abut against the sealing surface when the rotating shaft rotates, so that the on-off of the valve body is realized, the sea valve is simple and reliable in structure, small in size and further capable of reducing the weight, the installation and maintenance cost of the sea valve is reduced, the valve cover can flexibly act on the premise of meeting the large drift diameter, and the driving part can reliably drive the valve cover to swing, so that the sea valve can reliably realize on-off.
Preferably, the driving part further comprises a screw, a nut, a connector and a first spring, the nut is arranged on the screw in a rotating mode, one end of the screw is fixed with the connector, the connector is fixed with the telescopic end of the telescopic cylinder, the length direction of the rod of the screw is the same as the telescopic direction of the telescopic end of the telescopic cylinder, the connecting block is provided with a hole and is slidably sleeved on the screw, the first spring is sleeved on the screw, two ends of the first spring are respectively abutted with the nut and the connecting block, and the connector can be abutted with the connecting block. The tight force of support of valve gap and sealed face is adjustable, and the flexible end of flexible jar can not take place to damage at the in-process of retracting.
Preferably, the driving part further comprises a connecting piece, the connecting piece is located in the valve body, one end of the connecting piece is fixed with the rotating shaft, and the other end of the connecting piece is connected with the valve cover. The valve cover and the rotating shaft can be reliably connected and fixed.
Preferably, the valve cover further comprises a balancing piece, wherein the balancing piece comprises a connecting rod, a sealing gasket, a pressing ring, a balancing valve core and a second spring, one end face of the valve cover is vertically fixed with two connecting plates I which are parallel to each other, one end of the connecting piece, which is far away from the rotating shaft, is provided with two connecting plates II which are parallel to each other, the face of each connecting plate I is parallel to the face of each connecting plate II, and the two connecting plates II are arranged between the two connecting plates I; the connecting rod is inserted on the first connecting plates and the second connecting plates at the same time, the rod center line of the connecting rod is parallel to the axis line of the rotating shaft, a mounting groove is formed in one end face of the valve cover, which is provided with the first connecting plates, a through hole is formed in the bottom wall of the mounting groove, the sealing gasket is tightly embedded in the mounting groove, the pressing ring is tightly embedded in the mounting groove and tightly presses the sealing gasket, the balance valve core is arranged between the second connecting plates and comprises a coaxially arranged abutting pipe and a limiting rod, one end of the abutting pipe is closed, the pipe length direction of the abutting pipe is perpendicular to the rod length direction of the connecting rod, the limiting rod is fixed with the closed end of the abutting pipe, the limiting rod is inserted in the through hole, a running water gap is formed between the limiting rod and the through hole, a strip hole is formed in the side wall of the abutting pipe, the long hole direction of the strip hole is identical to the pipe length direction of the abutting pipe, the connecting rod is arranged in the strip hole in a penetrating way, one end of the connecting rod is closed, the groove is formed in the side wall of the connecting rod, the abutting pipe is provided with a groove, the abutting pipe is internally provided with a spring, the abutting pipe is abutted against the second end of the limiting spring is abutted against the groove, and the other end of the limiting spring is abutted against the groove is arranged on the groove, and the other end of the groove is abutted against the end is closed end, the outer wall of the closed end of the abutting pipe can be abutted with the sealing gasket in a sealing mode. When the valve cover is closed, the valve cover can reliably abut against the sealing surface.
Preferably, a plurality of rings of sealing convex rings are coaxially arranged on the outer side of the closed end of the abutting pipe, and the sealing convex rings can tightly abut against the sealing gasket. The closed end of the abutting pipe can be effectively abutted against the sealing gasket, and the tightness between the sealing gasket and the abutting pipe is ensured.
Preferably, a gap is formed between the side wall of the connecting rod and the hole wall of one side of the strip hole, which is close to the limiting rod. The abutting pipe has a certain moving stroke in the direction away from the valve cover.
Preferably, a sealing member is plugged at the inner side of an opening end of the valve body, the sealing member is provided with a sealing surface, a communication opening communicated with the opening end of the valve body is formed in the sealing surface, and the valve cover can plug the communication opening. The machining precision of the valve body can be further reduced, and the economical efficiency of machining and manufacturing is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is an overall isometric view of a sea valve;
FIG. 2 is a second overall isometric view of a sea valve;
FIG. 3 is a partial isometric view of a sea valve;
FIG. 4 is a partial isometric view of a sea valve II;
FIG. 5 is a partial isometric view of a sea valve;
FIG. 6 is a partial isometric view of a sea valve;
FIG. 7 is a partial isometric view of a sea valve;
FIG. 8 is a partial isometric view of a sea valve;
fig. 9 is a partial isometric view of a sea valve.
In the figure:
the valve comprises a valve body 1, a rotating shaft 2, a connecting rod 3, a connecting rod two, a connecting rod 5, a connecting rod three, a telescopic cylinder 7, a screw rod 8, a nut 9, a connector 10, a spring one 11, a connecting piece 12, a valve cover 13, a mounting groove 130, a through hole 131, a connecting rod 14, a limiting groove 140, a sealing gasket 15, a pressing ring 16, a balancing valve core 17, a abutting pipe 170, a strip hole 1700, a sealing convex ring 1701, a limiting rod 171, a spring two, a connecting plate one 19, a connecting plate two and a sealing piece 21.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention discloses a sea valve, which is characterized in that a valve body 1, a driving part and a valve cover 13 positioned in the valve body 1 are designed, a telescopic cylinder 7 in the driving part can drive a rotating shaft 2 to rotate, and the rotating shaft 2 can drive the valve cover 13 to tightly press a sealing surface when rotating, so that the on-off of the valve body 1 is realized;
The shape of the opening end of the valve body 1 can be determined according to the actual use requirement, namely, the valve body can be adapted to rectangular or special-shaped sea holes, so that the application universality of the valve body is improved;
The telescopic cylinder 7 in the driving part drives the rotating shaft 2 through the first connecting rod 3, the second connecting rod 4, the connecting block 5 and the third connecting rod 6, the telescopic cylinder 7 can realize large-torque rotation of the rotating shaft 2 by small thrust, and meanwhile, the telescopic cylinder 7 responds quickly, so that the sea valve can be quickly opened and closed;
by designing the first spring 11, the valve cover 13 can be reliably abutted against the sealing surface, and the telescopic end of the telescopic cylinder 7 cannot be damaged in the retraction process;
The size of the abutting force between the valve cover 13 and the sealing surface can be adjusted by designing the nut 9;
the abutting force between the abutting pipe 170 and the sealing gasket 15 comes from the elastic force of the second spring 18;
By designing the sealing piece 21, the processing precision of the valve body 1 can be reduced and the processing and manufacturing economy of the sea valve can be improved on the premise that the valve cover 13 can effectively realize the on-off of a waterway.
Examples
Referring to fig. 1-9, which are schematic views of the whole and part of the structure of an embodiment of the present invention, the present invention specifically discloses a sea valve, which is installed on the bottom of a ship, and the sea valve comprises:
The electromagnetic sensor and the Doppler transducer are arranged on the ship body, and can be in contact with the sea water when the valve body 1 is in a conducting state, so that the speed of the ship body is measured;
The driving part comprises a rotating shaft 2, a first connecting rod 3, a second connecting rod 4, a connecting block 5, a third connecting rod 6 and a telescopic cylinder 7, wherein the rotating shaft 2 is rotatably supported in the valve body 1, one end of the rotating shaft 2 is fixed with one end of the first connecting rod 3 after penetrating through the valve wall of the valve body 1, the length direction of the rotating shaft 2 is perpendicular to the length direction of the first connecting rod 3, the other end of the first connecting rod 3 is hinged with one end of the second connecting rod 4 and is provided with a first hinging axis, the other end of the second connecting rod 4 is hinged with the connecting block 5 and is provided with a second hinging axis, one end of the third connecting rod 6 is hinged with the valve body 1 and is provided with a third hinging axis, the other end of the third connecting rod 6 is hinged with the connecting block 5 and is provided with a fourth hinging axis, the fixed end of the telescopic cylinder 7 is hinged with the valve body 1 and is provided with a fifth hinging axis, and the telescopic end of the telescopic cylinder 7 is connected with the connecting block 5; the first hinge axis, the second hinge axis, the third hinge axis and the fifth hinge axis are all parallel to the axis of the rotating shaft 2, the second hinge axis coincides with the fourth hinge axis, the connecting block 5 is arranged between the first hinge axis and the third hinge axis, the telescopic direction of the telescopic end of the telescopic cylinder 7 is perpendicular to the axis of the rotating shaft 2, the telescopic cylinder 7 in the embodiment is an electric push rod, and when the telescopic end of the telescopic cylinder 7 extends or retracts, the rotating shaft 2 can realize forward rotation or reverse rotation, namely, the linear motion of the telescopic end of the telescopic cylinder 7 can be converted into the rotation of the rotating shaft 2, and the telescopic cylinder 7 is connected with a controller on a ship body.
The valve wall of the valve body 1 is provided with a hole and is tightly embedded with a copper sleeve, the outer side wall of the copper sleeve is coated with quick-drying epoxy resin, so that the copper sleeve and the valve body 1 are sealed and fixed, the rotating shaft 2 is coaxial and slides tightly to penetrate through the inner side of the copper sleeve, and the copper sleeve can avoid abrasion of the valve body 1.
The valve cover 13, the valve cover 13 is arranged in the valve body 1, the valve cover 13 has various shapes, in this embodiment, the valve cover 13 is circular, the valve cover 13 is connected with the rotating shaft 2, when the rotating shaft 2 rotates, the valve cover 13 can swing around the rotating shaft 2, one end surface of the valve cover 13 can be tightly attached to the sealing surface, and the valve cover 13 can seal one opening end of the valve body 1 corresponding to the sealing surface, so that the sea valve is closed.
Further specifically, the driving part further comprises a screw rod 8, a nut 9, a connector 10 and a first spring 11, the nut 9 is arranged on the screw rod 8 in a rotating mode, the connector 10 is fixedly arranged at one end of the screw rod 8, the connector 10 is fixedly arranged at the telescopic end of the telescopic cylinder 7, the rod length direction of the screw rod 8 is identical to the telescopic direction of the telescopic end of the telescopic cylinder 7, the connecting block 5 is perforated and slidably sleeved on the screw rod 8, the first spring 11 is sleeved on the screw rod 8, two ends of the first spring 11 are respectively abutted with the nut 9 and the connecting block 5, the connector 10 can be abutted with the connecting block 5, when the telescopic end of the telescopic cylinder 7 is retracted, the screw rod 8 moves and drives the connecting block 5 to move through the nut 9 and the first spring 11, so that rotation of the rotating shaft 2 is achieved, after the valve cover 13 is tightly attached to the sealing surface, the valve cover 13 is tightly abutted against the sealing surface due to the fact that the first spring 11 is arranged, the elastic force of the first spring 11 acts on the sealing surface, the telescopic end of the telescopic cylinder 7 still retracts, so that the telescopic cylinder 7 is damaged, on the side, the valve cover 13 is guaranteed to be stably abutted against the sealing surface, and simultaneously, the sealing surface 9 can be adjusted, and the rotating force of the rotating shaft 2 can be greatly adjusted when the valve cover is tightly pushed by the nut 9, and the sealing surface is greatly stretched.
Further specifically, the driving part further comprises a connecting piece 12, the connecting piece 12 is located in the valve body 1, one end of the connecting piece 12 is fixed with the rotating shaft 2, the other end of the connecting piece 12 is connected with the valve cover 13, and the design ensures that the valve cover 13 can be reliably connected with the rotating shaft 2.
Further specifically, the balance piece comprises a connecting rod 14, a sealing washer 15, a compression ring 16, a balance valve core 17 and a second spring 18,
Two connecting plates I19 which are parallel to each other are vertically fixed on one end face of the valve cover 13, two connecting plates II 20 which are parallel to each other are arranged at one end of the connecting piece 12 far away from the rotating shaft 2, the plate faces of the connecting plates I19 are parallel to the plate faces of the connecting plates II 20, and the two connecting plates II 20 are arranged between the two connecting plates I19;
The connecting rod 14 is inserted into the two first connecting plates 19 and the two second connecting plates 20 at the same time, so that the connecting piece 12 and the valve cover 13 are fixed, and the rod center line of the connecting rod 14 is parallel to the shaft center line of the rotating shaft 2;
A circular mounting groove 130 is formed in one end face of the valve cover 13, provided with the first connecting plate 19, a circular through hole 131 is formed in the middle of the bottom wall of the mounting groove 130, the sealing gasket 15 is tightly embedded in the mounting groove 130, the compression ring 16 is tightly embedded in the mounting groove 130 and compresses the sealing gasket 15, namely, the sealing gasket 15 is ensured not to be separated from the mounting groove 130;
The balance valve core 17 is arranged between the two second connecting plates 20 and comprises a butt pipe 170 and a limiting rod 171 which are coaxially arranged, one end of the butt pipe 170 is closed, the pipe length direction of the butt pipe 170 is perpendicular to the rod length direction of the connecting rod 14, the limiting rod 171 is fixed with the closed end of the butt pipe 170, the limiting rod 171 is inserted into the through hole 131, a running water gap is reserved between the limiting rod 171 and the through hole 131, a strip hole 1700 is formed in the side wall of the butt pipe 170, the hole length direction of the strip hole 1700 is the same as the pipe length direction of the butt pipe 170, the connecting rod 14 is penetrated in the strip hole 1700, a limiting groove 140 is formed in the side wall of the connecting rod 14, a second spring 18 is arranged in the butt pipe 170, one end of the second spring 18 is in butt joint with the inner wall of the closed end of the butt pipe 170, the other end of the second spring 18 is in butt joint with the groove bottom wall of the limiting groove 140, and the outer wall of the closed end of the butt pipe 170 is in sealing butt joint with the sealing gasket 15;
In the state that the valve body 1 is free of water or the valve cover 13 is in an opened state, the abutting force between the abutting pipe 170 and the sealing gasket 15 is from the elastic force of the second spring 18, in the state that the valve cover 13 is closed, the abutting force between the abutting pipe 170 and the sealing gasket 15 is from the elastic force of the second spring 18 and the upward pressure of the seawater to the valve cover 13, and because the valve body 1 is arranged at the bottom of the ship, the bottom of the ship is positioned below the sea level, the seawater can upwards push the valve cover 13, and further compression of the valve cover 13 and the sealing surface is realized;
When the valve cover 13 is not in a sealing and abutting state with the sealing surface, when the valve cover 13 needs to be closed, the water pressure in the space above the valve cover 13 overcomes the elasticity of the second spring 18 and pushes the abutting pipe 170 to move, the abutting pipe 170 is separated from a tightly abutting state with the sealing gasket 15 after moving, at the moment, the through hole 131 is conducted, the water pressure above and below the valve cover 13 can be balanced due to the conduction of the through hole 131, and at the moment, the valve cover 13 can be smoothly closed, namely, the valve cover 13 and the sealing surface are smoothly sealed and abutted.
The outer side of the closed end of the abutting pipe 170 is coaxially provided with a plurality of rings of sealing convex rings 1701, the sealing convex rings 1701 can tightly abut against the sealing gasket 15, and the sealing abutting of the closed end of the abutting pipe 170 and the sealing gasket 15 is ensured due to the design of the plurality of sealing convex rings 1701.
The side wall of the connecting rod 14 and the hole wall of one side of the strip hole 1700, which is close to the limiting rod 171, have a gap, namely, when the abutting pipe 170 compresses the second spring 18, a certain movement stroke of the abutting pipe 170 in the direction away from the valve cover 13 is ensured.
The sealing element 21 is plugged at the inner side of the opening end of the valve body 1 close to the ship bottom, the sealing element 21 is provided with a sealing surface, a circular communication opening communicated with the opening end of the valve body 1 is formed in the sealing surface, the valve cover 13 can plug the communication opening, one end face of the valve cover 13 far away from the connecting plate 19 is provided with a circular bulge, a through hole 131 is arranged in the middle of the circular bulge, after the valve cover 13 is buckled, the circular bulge can be tightly embedded in the communication opening, the plugging effect on the communication opening can be improved, the sealing element 21 is designed, the sealing surface and the valve cover 13 can be sealed and abutted, meanwhile, the processing precision of the valve body 1 is reduced, the sealing reliability is guaranteed, and meanwhile, the production and processing cost of the sea valve is low.
When the sea valve is used, the telescopic end of the telescopic cylinder 7 retracts or extends, when the telescopic end of the telescopic cylinder 7 acts, the rotating shaft 2 rotates, and the rotating shaft 2 drives the valve cover 13 to swing, so that the sealing abutting and separating of the valve cover 13 and the sealing surface are realized;
When the valve cover 13 needs to be closed, the valve cover 13 swings and is about to be abutted against the sealing surface, water above the valve cover 13 can push the abutting pipe 170 to move, after the abutting pipe 170 moves, the through hole 131 is conducted, water pressure above and below the valve cover 13 can be balanced, and at the moment, the valve cover 13 can be reliably abutted against the sealing surface in a sealing mode.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A sea valve, comprising:
the valve comprises a valve body (1), wherein two ends of the valve body (1) are open, a sealing surface is arranged in the valve body (1), and one open end of the valve body (1) penetrates through the sealing surface;
The driving part comprises a rotating shaft (2), a first connecting rod (3), a second connecting rod (4), a connecting block (5), a third connecting rod (6) and a telescopic cylinder (7), wherein the rotating shaft (2) is rotatably supported in the valve body (1), one end of the rotating shaft (2) is fixed with one end of the first connecting rod (3) after penetrating through a valve wall of the valve body (1), the length direction of the rotating shaft (2) is perpendicular to the length direction of the first connecting rod (3), the other end of the first connecting rod (3) is hinged with one end of the second connecting rod (4) and is provided with a first hinging axis, the other end of the second connecting rod (4) is hinged with the connecting block (5) and is provided with a second hinging axis, one end of the third connecting rod (6) is hinged with the valve body (1) and is provided with a fourth hinging axis, the fixed end of the telescopic cylinder (7) is hinged with the valve body (1) and is provided with a fifth hinging axis, the fifth hinging axis and the fourth hinging axis are coincident with the fifth hinging axis and the fourth hinging axis (5), the connecting block (5) is arranged between the first hinging axis and the third hinging axis, and the telescopic direction of the telescopic end of the telescopic cylinder (7) is perpendicular to the axis of the rotating shaft (2);
The valve cover (13) is arranged in the valve body (1), the valve cover (13) is connected with the rotating shaft (2), one end face of the valve cover (13) can be clung to the sealing face, and the valve cover (13) can seal one opening end of the valve body (1) corresponding to the sealing face;
The driving part further comprises a connecting piece (12), the connecting piece (12) is positioned in the valve body (1), one end of the connecting piece (12) is fixed with the rotating shaft (2), and the other end of the connecting piece (12) is connected with the valve cover (13);
The balance piece comprises a connecting rod (14), a sealing gasket (15), a balance valve core (17) and a spring II (18), wherein two connecting plates I (19) which are parallel to each other are vertically fixed on one end face of the valve cover (13), two connecting plates II (20) which are parallel to each other are arranged at one end of the connecting piece (12) far away from the rotating shaft (2), the plate face of the connecting plates I (19) is parallel to the plate face of the connecting plates II (20), the two connecting plates II (20) are arranged between the two connecting plates I (19), the connecting rod (14) is simultaneously inserted on the two connecting plates I (19) and the two connecting plates II (20), the rod center line of the connecting rod (14) is parallel to the axial center line of the rotating shaft (2), a mounting groove (130) is formed in one end face of the connecting plate I (19), a through hole (131) is formed in the groove bottom wall of the mounting groove (130), the sealing gasket (15) is tightly embedded in the mounting groove (130), the connecting rod (14) is arranged between the two connecting plates II (17) and the connecting plates (170) are coaxially arranged at one end of the connecting rod (170), the pipe length direction of the abutting pipe (170) is perpendicular to the pipe length direction of the connecting rod (14), the limiting rod (171) is fixed with the closed end of the abutting pipe (170), the limiting rod (171) is inserted into the through hole (131), a running water gap is reserved between the limiting rod (171) and the through hole (131), a strip hole (1700) is formed in the side wall of the abutting pipe (170), the hole length direction of the strip hole (1700) is the same as the pipe length direction of the abutting pipe (170), the connecting rod (14) is penetrated into the strip hole (1700), a limiting groove is formed in the side wall of the connecting rod (14), a second spring (18) is arranged in the abutting pipe (170), one end of the second spring (18) is abutted against the inner wall of the closed end of the abutting pipe (170), the other end of the second spring (18) is abutted against the groove bottom wall of the limiting groove, and the outer wall of the abutting pipe (170) can be tightly abutted against the sealing gasket (15).
2. The sea valve according to claim 1, wherein the driving part further comprises a screw rod (8), a nut (9), a connector (10) and a first spring (11), the nut (9) is rotatably arranged on the screw rod (8), one end of the screw rod (8) is fixedly provided with the connector (10), the connector (10) is fixedly connected with the telescopic end of the telescopic cylinder (7), the rod length direction of the screw rod (8) is the same as the telescopic direction of the telescopic end of the telescopic cylinder (7), the connecting block (5) is perforated and is slidably sleeved on the screw rod (8), the first spring (11) is sleeved on the screw rod (8), two ends of the first spring (11) are respectively abutted with the nut (9) and the connecting block (5), and the connector (10) can be abutted with the connecting block (5).
3. Sea valve according to claim 1, characterized in that the balancing member further comprises a pressure ring (16), the pressure ring (16) being tightly fitted in the mounting groove (130) and pressing the sealing gasket (15).
4. A sea valve according to claim 3, characterized in that the outer side of the closed end of the abutment tube (170) is coaxially provided with a multi-turn sealing collar (1701), said sealing collar (1701) being capable of tightly abutting the sealing gasket (15).
5. A sea valve according to claim 3, wherein the side wall of the connecting rod (14) has a gap with the wall of the side wall of the elongated hole (1700) near the stop rod (171).
6. Sea valve according to claim 1, characterized in that a sealing element (21) is plugged inside an open end of the valve body (1), the sealing element (21) being provided with the sealing surface, on which sealing surface a communication opening is provided which communicates with the open end of the valve body (1), the valve cap (13) being capable of plugging the communication opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410367350.5A CN118009042B (en) | 2024-03-28 | 2024-03-28 | A sea valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410367350.5A CN118009042B (en) | 2024-03-28 | 2024-03-28 | A sea valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118009042A CN118009042A (en) | 2024-05-10 |
| CN118009042B true CN118009042B (en) | 2025-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410367350.5A Active CN118009042B (en) | 2024-03-28 | 2024-03-28 | A sea valve |
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| Country | Link |
|---|---|
| CN (1) | CN118009042B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118150855A (en) * | 2024-02-19 | 2024-06-07 | 中国船舶集团有限公司第七零七研究所九江分部 | Ship speed measuring rod lifting device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334920B (en) * | 2013-07-12 | 2015-12-09 | 株洲南方阀门股份有限公司 | A kind of tilt-disc check valve |
| CN104976393B (en) * | 2014-04-14 | 2020-03-10 | 艾默生过程管理调节技术公司 | Emergency shut-off valve |
| CN205745338U (en) * | 2016-05-18 | 2016-11-30 | 福建天广消防有限公司 | A kind of novel interior ftercompction rotating vane type alarm valve |
| CN111365473A (en) * | 2020-03-26 | 2020-07-03 | 韩国昊 | Low-torque long-service-life butterfly valve |
| CN212672486U (en) * | 2020-06-23 | 2021-03-09 | 迦密阀门有限公司 | Slow-closing check valve |
| CN217653247U (en) * | 2022-05-27 | 2022-10-25 | 启东明峰机械有限公司 | Pneumatic feeding combination valve |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118150855A (en) * | 2024-02-19 | 2024-06-07 | 中国船舶集团有限公司第七零七研究所九江分部 | Ship speed measuring rod lifting device |
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| CN118009042A (en) | 2024-05-10 |
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