CN211624364U

CN211624364U - Pressure-limiting self-locking type marine precision stop valve

Info

Publication number: CN211624364U
Application number: CN202020179710.6U
Authority: CN
Inventors: 陈法华; 赵倩倩; 张建国; 葛永和; 侍德友
Original assignee: Binhai Jinsheng Machinery Co ltd
Current assignee: Binhai Jinsheng Machinery Co ltd
Priority date: 2020-02-18
Filing date: 2020-02-18
Publication date: 2020-10-02
Anticipated expiration: 2030-02-18

Abstract

The utility model discloses a voltage limiting is from locking-type marine precision stop valve, including valve body and the hand wheel of setting on valve body, four ring channels have been seted up on the hand wheel, and the inside of ring channel is provided with coupling mechanism, coupling mechanism includes first half ring spare and second half ring spare, the one end that the hinge was kept away from to first half ring spare is provided with first protruding piece, the one end that the hinge was kept away from to second half ring spare is provided with the protruding piece of second, first through-hole has been seted up on the first protruding piece, the second through-hole has been seted up on the protruding piece of second, be provided with same hexagon bolt on first protruding piece and the protruding piece of second, the protruding piece of second is kept away from one side welding of first protruding piece and is had the screens post. The utility model discloses make the switching valve body that people can relax more, laborsaving effectual, slowed down hexagon nut's rusty ization speed simultaneously, prolonged holistic life, and simple structure, the practicality is strong.

Description

Pressure-limiting self-locking type marine precision stop valve

Technical Field

The utility model relates to a stop valve technical field especially relates to a pressure limiting is from locking-type marine precision stop valve.

Background

The stop valve is also called stop valve, belonging to forced sealing type valve, so when the valve is closed, it must apply pressure to valve clack to force sealing surface not to leak, when the medium is fed into the valve from below the valve clack, the resistance force which must be overcome by operation force is the friction force of valve stem and packing material and the thrust force produced by pressure of medium, the force for closing the valve is greater than the force for opening the valve, so the diameter of valve stem is greater, otherwise the failure of stem top bending can occur.

The existing stop valve still has certain disadvantages in practical use: most of the existing stop valves adopt hand wheels to open and close the valves, but because the stop valves have large opening and closing resistance, the hand wheels consume a large amount of labor, and the labor-saving effect is poor, so that the pressure-limiting self-locking marine precision stop valve is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a pressure-limiting self-locking type marine precision stop valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a pressure-limiting self-locking type marine precision stop valve comprises a valve body and a hand wheel arranged on the valve body, wherein four annular grooves are formed in the hand wheel, a connecting mechanism is arranged inside the annular grooves, an extension rod is arranged on the connecting mechanism, the connecting mechanism comprises a first half ring piece and a second half ring piece, the first half ring piece is movably connected with the second half ring piece through a hinge, a first protruding block is arranged at one end, away from the hinge, of the first half ring piece, a second protruding block is arranged at one end, away from the hinge, of the second half ring piece, a first through hole is formed in the first protruding block, a second through hole is formed in the second protruding block, the same hexagonal bolt is arranged on the first protruding block and the second protruding block, a clamping column is welded at one side, away from the first protruding block, of the second protruding block, and a hexagonal clamping groove is formed in the clamping column, the inside joint of hexagonal draw-in groove has hexagon nut, the lateral surface of screens post is provided with annular arch, and the one end of screens post is provided with dampproofing piece, the one end surface of dampproofing piece has been seted up and has been accomodate the groove, and the internal surface of accomodating the groove sets up threaded hole, the rubber packing ring has been cup jointed on the screens post.

Preferably, four annular grooves are equidistantly distributed on the hand wheel, and the extension rod is connected to the first half ring piece in a welded mode.

Preferably, the aperture of the first through hole is equal to the aperture of the second through hole, and the hexagon bolt penetrates through the first through hole and the second through hole.

Preferably, the thickness of the hexagonal nut is larger than that of the clamping column, and the hexagonal nut is sleeved on the hexagonal bolt in a threaded mode.

Preferably, the moisture-proof block is connected to the hexagon bolt through a threaded hole, and the moisture-proof block is made of stainless steel.

Preferably, the extension rod is sleeved with a rubber sleeve, the outer surface of the rubber sleeve is provided with a plurality of anti-slip grooves, and the anti-slip grooves are arranged in a mutually crossed manner.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in through setting up ring channel, coupling mechanism, extension rod, first half ring spare, the half ring spare of second, hinge, first protruding piece, the protruding piece of second, first through-hole, second through-hole, hex bolts, screens post, hexagonal draw-in groove and hexagon nut, increase the length of power arm through the extension rod that sets up for the headstock valve body that people can relax more, laborsaving effectual, and simple structure, the practicality is strong.

2. The utility model discloses in through setting up annular arch, dampproofing piece, accomodating groove, screw hole and rubber packing ring, can carry out seal installation to hexagon nut, slowed down hexagon nut's rust-forming speed, prolonged holistic life.

3. The utility model discloses in through setting up the rubber sleeve, can improve the comfort level when people grip the extension rod, satisfied actual user demand.

To sum up, the utility model discloses make the headstock gear body that people can relax more, laborsaving effectual, slowed down hexagon nut's rusty ization speed simultaneously, prolonged holistic life, and simple structure, the practicality is strong.

Drawings

Fig. 1 is a schematic view of the overall structure of a pressure-limiting self-locking marine precision stop valve provided by the present invention;

fig. 2 is a side sectional view of the connection mechanism of the pressure-limiting self-locking marine precision stop valve provided by the utility model;

fig. 3 is an enlarged view of a position a in fig. 2 of the pressure-limiting self-locking marine precision stop valve provided by the utility model;

fig. 4 is a partial structure diagram of an extension rod in the second embodiment of the pressure-limiting self-locking marine precision stop valve provided by the present invention.

In the figure: the valve comprises a valve body 1, a hand wheel 2, an annular groove 3, a connecting mechanism 4, an extension rod 5, a first half ring piece 6, a second half ring piece 7, a hinge 8, a first protruding block 9, a second protruding block 10, a first through hole 11, a second through hole 12, a hexagonal bolt 13, a clamping column 14, a hexagonal clamping groove 15, a hexagonal nut 16, an annular protrusion 17, a damp-proof block 18, a containing groove 19, a threaded hole 20, a rubber gasket 21 and a rubber sleeve 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The first embodiment is as follows:

referring to fig. 1-3, a pressure-limiting self-locking type marine precision stop valve comprises a valve body 1 and a hand wheel 2 arranged on the valve body 1, wherein four annular grooves 3 are formed on the hand wheel 2, a connecting mechanism 4 is arranged inside the annular grooves 3, an extension rod 5 is arranged on the connecting mechanism 4, the connecting mechanism 4 comprises a first half ring member 6 and a second half ring member 7, the first half ring member 6 is movably connected with the second half ring member 7 through a hinge 8, a first protruding block 9 is arranged at one end of the first half ring member 6 away from the hinge 8, a second protruding block 10 is arranged at one end of the second half ring member 7 away from the hinge 8, a first through hole 11 is formed in the first protruding block 9, a second through hole 12 is formed in the second protruding block 10, the same hexagon bolt 13 is arranged on the first protruding block 9 and the second protruding block 10, a clamping column 14 is welded at one side of the second protruding block 10 away from the first protruding block 9, and the inside of screens post 14 has seted up hexagonal draw-in groove 15, and the inside joint of hexagonal draw-in groove 15 has hexagon nut 16, and the lateral surface of screens post 14 is provided with annular arch 17, and the one end of screens post 14 is provided with dampproofing piece 18, and the one end surface of dampproofing piece 18 has seted up and has accomodate groove 19, and the internal surface of accomodating groove 19 has seted up screw hole 20, has cup jointed rubber packing ring 21 on the screens post 14.

Four ring channels 3 equidistance distribute on hand wheel 2, extension rod 5 welded connection is on first half ring spare 6, the aperture of first through-hole 11 equals the aperture of second through-hole 12, hexagon bolt 13 runs through first through-hole 11 and second through-hole 12, hexagon nut 16's thickness is greater than the thickness of

screens post

14, and 16 screw threads of hexagon nut cup joint on hexagon bolt 13, dampproofing piece 18 passes through threaded connection 20 threaded connection on hexagon bolt 13 of screw hole, and dampproofing piece 18 is made for stainless steel.

Example two:

referring to fig. 1-4, a pressure-limiting self-locking type marine precision stop valve comprises a valve body 1 and a hand wheel 2 arranged on the valve body 1, wherein four annular grooves 3 are formed on the hand wheel 2, a connecting mechanism 4 is arranged inside the annular grooves 3, an extension rod 5 is arranged on the connecting mechanism 4, the connecting mechanism 4 comprises a first half ring member 6 and a second half ring member 7, the first half ring member 6 is movably connected with the second half ring member 7 through a hinge 8, a first protruding block 9 is arranged at one end of the first half ring member 6 away from the hinge 8, a second protruding block 10 is arranged at one end of the second half ring member 7 away from the hinge 8, a first through hole 11 is formed in the first protruding block 9, a second through hole 12 is formed in the second protruding block 10, the same hexagon bolt 13 is arranged on the first protruding block 9 and the second protruding block 10, a clamping column 14 is welded at one side of the second protruding block 10 away from the first protruding block 9, and the inside of screens post 14 has seted up hexagonal draw-in groove 15, and the inside joint of hexagonal draw-in groove 15 has hexagon nut 16, and the lateral surface of screens post 14 is provided with annular arch 17, and the one end of screens post 14 is provided with dampproofing piece 18, and the one end surface of dampproofing piece 18 has seted up and has accomodate groove 19, and the internal surface of accomodating groove 19 has seted up screw hole 20, has cup jointed rubber packing ring 21 on the screens post 14.

Four 3 equidistance distributions of ring channel are on

hand wheel

2, 5 welded connection of extension rod is on first half ring spare 6, the aperture of first through-hole 11 equals the aperture of second through-hole 12, hex bolts 13 runs through first through-hole 11 and second through-hole 12, the thickness of hex nuts 16 is greater than the thickness of screens post 14, and the 16 screw threads of hex nuts cup joints on hex bolts 13, dampproofing piece 18 passes through screw hole 20 threaded connection on hex bolts 13, and dampproofing piece 18 is made for stainless steel matter, rubber sleeve 22 has been cup jointed on extension rod 5, and a plurality of non slipping spur grooves have been seted up to the surface of rubber sleeve 22, a plurality of non slipping spur grooves cross arrangement each other.

The working principle is as follows: when the valve body 1 needs to be opened or closed, people can realize through the hand wheel 2, also can realize through the extension rod 5, and the concrete process of using the extension rod 5 is as follows: the extension rod 5 is lifted upwards manually, so that the extension rod 5 moves to the position on the same plane as the hand wheel 2, and then the extension rod 5 is pulled hard, so that the hand wheel 2 rotates, the operation is very simple, the labor-saving effect is good, and the installation process of the extension rod 5 is specifically as follows: the first half ring member 6 is pressed against the inner surface of the annular groove 3, then the second half ring member 7 is rotated by the action of the hinge 8, so that the first convex block 9 and the second convex block 10 are attached together, then the hexagon nut 16 is clamped on the clamping column 14 by the hexagon clamping groove 15, then the hexagon bolt 13 penetrates through the first through hole 11 and the second through hole 12 until the end part of the hexagon bolt 13 is pressed against the hexagon nut 16, then the hexagon bolt 13 is screwed until the hexagon nut 16 is tightly sleeved on the hexagon bolt 13, at this time, the fixed connection of the first half ring member 6 and the second half ring member 7 is completed, the inner diameter of the annular structure formed by the first half ring member 6 and the second half ring member 7 is larger than the inner diameter of the annular groove 3, so that the extension rod 5 can rotate, the rubber gasket 21 is sleeved on the clamping column 14, and the damp-proof block 18 is screwed on the hexagon bolt 13 by the threaded hole 20 until tightening, this moment dampproofing piece 18 will be in rubber packing ring 21 realization and the sealed mounting of annular arch 17, accomodate groove 19 promptly and keep apart with external environment, slowed down hexagon nut 16's rust rate, compare in embodiment one, the comfort level when extension rod 5 is gripped to people can be improved through the rubber sleeve 22 that sets up in embodiment two, actual user demand has been satisfied, the utility model discloses make the headstock valve body 1 that people can relax more, laborsaving effectual, slowed down hexagon nut 16's rust rate simultaneously, prolonged holistic life, and simple structure, the practicality is strong.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A pressure-limiting self-locking marine precision stop valve comprises a valve body (1) and a hand wheel (2) arranged on the valve body (1), and is characterized in that four annular grooves (3) are formed in the hand wheel (2), a connecting mechanism (4) is arranged inside each annular groove (3), an extension rod (5) is arranged on each connecting mechanism (4), each connecting mechanism (4) comprises a first half ring piece (6) and a second half ring piece (7), each first half ring piece (6) is movably connected with each second half ring piece (7) through a hinge (8), a first protruding block (9) is arranged at one end, away from the hinge (8), of each first half ring piece (6), a second protruding block (10) is arranged at one end, away from the hinge (8), of each second half ring piece (7), a first through hole (11) is formed in each first protruding block (9), the improved anti-theft device is characterized in that a second through hole (12) is formed in the second protruding block (10), the same hexagon bolt (13) is arranged on the first protruding block (9) and the second protruding block (10), one side, away from the first protruding block (9), of the second protruding block (10) is welded with a clamping column (14), a hexagonal clamping groove (15) is formed in the clamping column (14), a hexagon nut (16) is clamped in the hexagonal clamping groove (15), an annular bulge (17) is arranged on the outer side face of the clamping column (14), a damp-proof block (18) is arranged at one end of the clamping column (14), a containing groove (19) is formed in the outer surface of one end of the damp-proof block (18), a threaded hole (20) is formed in the inner surface of the containing groove (19), and a rubber gasket (21) is sleeved on the clamping column (14).

2. The pressure-limiting self-locking marine precision stop valve according to claim 1, characterized in that four annular grooves (3) are equidistantly distributed on the hand wheel (2), and the extension rod (5) is welded and connected to the first half ring member (6).

3. The pressure-limiting self-locking marine precision stop valve according to claim 1, characterized in that the aperture of the first through hole (11) is equal to the aperture of the second through hole (12), and the hexagonal bolt (13) penetrates through the first through hole (11) and the second through hole (12).

4. The pressure-limiting self-locking marine precision stop valve according to claim 1, characterized in that the thickness of the hexagonal nut (16) is larger than that of the clamping column (14), and the hexagonal nut (16) is sleeved on the hexagonal bolt (13) in a threaded manner.

5. The pressure-limiting self-locking marine precision stop valve according to claim 1, characterized in that the moisture-proof block (18) is screwed on the hexagon bolt (13) through a threaded hole (20), and the moisture-proof block (18) is made of stainless steel.

6. The pressure-limiting self-locking marine precision stop valve according to claim 1, characterized in that the extension rod (5) is sleeved with a rubber sleeve (22), and the outer surface of the rubber sleeve (22) is provided with a plurality of anti-slip grooves which are arranged in a mutually crossing manner.