CN216242437U

CN216242437U - Low-noise cut-off ball valve

Info

Publication number: CN216242437U
Application number: CN202122852213.5U
Authority: CN
Inventors: 刘玉贵; 张典
Original assignee: Jiangsu Henghe Group Co ltd
Current assignee: Jiangsu Henghe Group Co ltd
Priority date: 2021-11-20
Filing date: 2021-11-20
Publication date: 2022-04-08
Anticipated expiration: 2031-11-20

Abstract

The utility model discloses a low-noise cut-off ball valve, which comprises a valve body and a ball body arranged in the valve body, wherein an upper cover is fixedly connected on the valve body, a lower cover is detachably arranged at the bottom end of the upper cover, the ball body is arranged in the upper cover, a baffle plate is arranged in a flow passage of the ball body, at least one through hole is formed in the baffle plate, one end of the valve body is connected with a through pipe, a clamping shaft is arranged on the inner wall of the pipeline of the through pipe, through the matching use of the arranged through pipe, a spring, a baffle shaft, the baffle plate and the like, when the ball valve works, water flow is led in from one end of the through pipe, under the matching use of a movable rod and the spring, the baffle shaft can be pushed to slide out of the through pipe, the baffle plate reduces the friction impact of the water flow on the ball valve, simultaneously reduces the sound generated when the ball valve is contacted with the through the valve, greatly reduces the flow velocity of the fluid through the valve, thereby effectively inhibiting the noise generated when the cut-off ball valve is opened and closed under high pressure difference, the working environment of the valve is improved.

Description

Low-noise cut-off ball valve

Technical Field

The utility model relates to the technical field of ball valves, in particular to a low-noise cut-off ball valve.

Background

The ball valve, the on-off piece is driven by the valve rod, and the valve of rotary motion is made to the duplex winding ball valve axis, it is used for fluidic regulation and control also to do, wherein have very strong shearing force between its V type ball core of hard seal V type ball valve and the metal disk seat of build-up welding carbide, specially adapted contains the fibre, the medium of small solid particle etc. and the multiple-way ball valve not only can nimble control medium's confluence, reposition of redundant personnel, and the switching of flow direction on the pipeline, also can close arbitrary passageway simultaneously and make two other passageways link to each other, this type of valve generally should horizontal installation in the pipeline, the ball valve divide into according to the drive mode: pneumatic ball valves, electric ball valves, manual ball valves.

Present cut-off ball valve in the use, the pressure differential of valve both sides is very big, fluid velocity is very high, when the fluid passes through the ball valve runner with very high speed, can produce the torrent, flash distillation and air pocket scheduling problem, cause wearing and tearing and injury of valve body and spheroid, simultaneously, cut off high noise and the strong vibration that the ball valve opened and close the in-process and also caused the energy loss of valve, bring very big harm to operating personnel's health, and inconvenient in time overhauls the valve ball, we provide a low noise cut-off ball valve for this and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a low-noise cut-off ball valve, which solves the problem that the noise generated in the work of the cut-off ball valve is inconvenient to effectively reduce in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a low-noise cut-off ball valve comprises a valve body and a ball body arranged in the valve body, wherein an upper cover is fixedly connected on the valve body, the bottom end of the upper cover is detachably provided with a lower cover, the ball body is arranged in the upper cover, a flow passage of the ball body is internally provided with a baffle plate, the baffle plate is provided with at least one through hole, one end of the valve body is connected with a through pipe, the inner wall of the through pipe is provided with a clamping shaft, a movable rod parallel to the through pipe is movably inserted in the middle of the clamping shaft, one end of the movable rod, opposite to the ball body, is connected with a blocking shaft, one end of the stop shaft is connected with a spring which is sleeved on the outer surface of the movable rod, the other end of the spring is abutted against one end of the clamping shaft, the surface of the valve body is also provided with a fixing piece, the inner walls of the fixing pieces are respectively in close contact with the corresponding outer surfaces of the upper cover and the lower cover.

Preferably, the fence is provided with a limiting block at one end opposite to the through pipe, the limiting block is in contact with the blocking shaft, the other end of the fence is connected with a cutoff paddle, and the cutoff paddle is rotatably arranged on the outer surface of the ball body.

Preferably, the blocking shaft is of a round table structure, and the outer surface of one end of the blocking shaft is in sliding clamping connection with the inner wall of the corresponding end of the through pipe.

Preferably, the lower cover is provided with a convex plate, and the upper cover is provided with a groove matched with the convex plate.

Preferably, a nut is fixedly arranged on the surface of the lower cover, a nut corresponding to the position of the lower cover is arranged on the surface of the upper cover, and the nut on the upper cover is in threaded connection with the nut on the outer surface of the lower cover through a bolt.

Preferably, the top of upper cover rotates to peg graft and has the valve rod, the top fixedly connected with handle of valve rod, just the bottom of valve rod with spheroidal top is connected.

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

1. through the siphunculus that sets up, the spring, keep off the cooperation use of axle and breast board etc, when ball valve during operation, rivers are leading-in by the one end of siphunculus, use down in the cooperation of movable rod and spring, can promote to keep off in the axle roll-off siphunculus, the breast board reduces rivers and strikes the friction of ball valve, the sound that produces when both contact has also been reduced simultaneously, greatly reduce the velocity of flow that the fluid passes through the valve, thereby restrain effectively and cut off the ball valve and open and close the noise that produces in the twinkling of an eye under the high pressure difference, the operational environment of valve has been improved.

2. The oar that dams that sets up is convenient for reduce the impact force of flowing water exhaust, has effectively reduced the noise that cuts off the ball valve production, and the detachable lower cover, the valve ball of being convenient for in the valve body are overhauld, and the bolt is used with the cooperation of nut, is convenient for further strengthen upper cover and lower cover stability between the two.

Drawings

Fig. 1 is a schematic view showing a specific structure of the low-noise cut-off ball valve of the present invention.

Fig. 2 is a partially cut-away structural schematic diagram of a valve body in the low-noise cut-off ball valve.

Fig. 3 is a schematic view of a ball of the low noise cut-off ball valve from another view angle.

In the figure: 1. a valve body; 11. an upper cover; 111. a groove; 12. a bolt; 13. a nut; 14. a lower cover; 141. a convex plate; 15. a handle; 16. a fixing member; 2. pipe passing; 21. clamping a shaft; 22. a movable rod; 23. A spring; 24. a blocking shaft; 3. a sphere; 31. a breast board; 32. a limiting block; 33. a cutoff paddle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a low-noise cut-off ball valve comprises a valve body 1 and a ball body 3 arranged in the valve body 1, wherein an upper cover 11 is fixedly connected on the valve body 1, a lower cover 14 is detachably arranged at the bottom end of the upper cover 11, the ball body 3 is arranged in the upper cover 11, a baffle plate 31 is arranged in a flow passage of the ball body 3, at least one through hole is formed in the baffle plate 31, one end of the valve body 1 is connected with a through pipe 2, a clamping shaft 21 is arranged on the inner wall of the through pipe 2, a movable rod 22 parallel to the through pipe 2 is movably inserted in the middle of the clamping shaft 21, one end of the movable rod 22 opposite to the ball body 3 is connected with a baffle shaft 24, one end of the baffle shaft 24 is connected with a spring 23, the spring 23 is sleeved on the outer surface of the movable rod 22, the other end of the spring 23 is abutted against one end of the clamping shaft 21, a fixing member 16 is further arranged on the surface of the valve body 1, and the inner wall of the fixing member 16 is respectively in close contact with the corresponding outer surfaces of the upper cover 11 and the lower cover 14, detachable lower cover 14 is convenient for overhaul the valve ball in the disk seat, the breast board 31 of setting, the fluidic resistance of ball valve switching-off in-process has been increased effectively, when ball valve during operation, rivers are leading-in by the one end of siphunculus 2, make the rivers of pouring into contact with fender axle 24, use down in the cooperation of movable rod 22 and spring 23, can promote in keeping off axle 24 roll-off siphunculus 2, reduce the friction impact of rivers to the ball valve, the sound that produces when also having reduced both contacts simultaneously, greatly reduce the velocity of flow that the fluid passes through the valve, thereby restrain effectively and cut off the ball valve and open and close the noise that produces in the twinkling of an eye under the high pressure difference, the operational environment of valve has been improved.

The relative siphunculus 2's of breast board 31 one end is provided with stopper 32, stopper 32 contacts with fender axle 24, the other end of breast board 31 is connected with the interception oar 33, interception oar 33 rotates and settles on spheroid 3's surface, stopper 32 and fender axle 24's contact, make the clearance of leaving one section distance between the two, be convenient for make during rivers pour into the runner in spheroid 3, the interception oar 33 of setting is convenient for reduce flowing water exhaust impact force, the noise that the ball valve produced has effectively been reduced and has been cut off.

The stop shaft 24 is in a circular truncated cone structure, the outer surface of one end of the stop shaft 24 is in sliding clamping connection with the inner wall of the corresponding end of the through pipe 2, the stop shaft 24 in the circular truncated cone structure is arranged, and when the ball valve is not used, the stop shaft 24 is convenient to be always clamped on the inner wall of one end of the through pipe 2.

The lower cover 14 is provided with a convex plate 141, the upper cover 11 is provided with a groove 111 matched with the convex plate 141, and the convex plate 141 is slidably clamped in the groove 111, so that the upper cover 11 and the lower cover 14 are tightly fixed together.

The surface of the lower cover 14 is fixed with a nut 13, the surface of the upper cover 11 is provided with a nut 13 corresponding to the position of the lower cover 14, the nut 13 on the upper cover 11 is in threaded connection with the nut 13 on the outer surface of the corresponding lower cover 14 through a bolt 12, the bolt 12 is matched with the nut 13 for use, so that the upper cover 11 and the lower cover 14 are further fixed, and the stability between the upper cover 11 and the lower cover 14 is enhanced.

The top of upper cover 11 is rotated and is pegged graft there is the valve rod, and the top fixedly connected with handle 15 of valve rod, and the bottom of valve rod is connected with spheroid 3's top, through drive handle 15, drives the valve rod of connection to drive spheroid 3 and rotate in step, be convenient for carry out effectual regulation to opening and close of ball valve.

The working principle is as follows: when the novel ball valve is used, an operator firstly drives the handle 15 to drive the connected valve rod, so that the ball valve is driven to synchronously rotate and the ball valve is convenient to adjust, when the ball valve works, water flow is guided in by one end of the through pipe 2, the injected water flow is contacted with the baffle shaft 24, under the matched use of the movable rod 22 and the spring 23, the baffle shaft 24 can be pushed to slide out of the through pipe 2, the friction impact of the water flow on the ball valve is reduced, meanwhile, the sound generated when the water flow is contacted with the ball valve is also reduced, the flow speed of fluid passing through the valve is greatly reduced, the stop block 32 is contacted with the baffle shaft 24, a gap with a certain distance is reserved between the water flow and the baffle shaft, the water flow is convenient to be injected into a flow channel in the ball valve 3, the arranged interception paddle 33 is convenient to reduce the impact force of flowing water discharge, the noise generated by cutting off is reduced, and the noise generated in the moment of opening and closing the ball valve under high pressure difference is effectively inhibited, the working environment of the valve is improved, when the ball valve needs to be overhauled, the rotating bolt 12 is adjusted to be separated from the screw caps 13 on the upper cover plate and the lower cover plate respectively, the convex plate 141 on the lower cover 14 slides out of the groove 111 in the upper cover 11 when the lower cover 14 slides, the lower cover 14 is convenient to disassemble, and therefore the ball valve in the upper cover 11 is inspected and maintained.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The low-noise cut-off ball valve is characterized by comprising a valve body (1) and a ball body (3) installed in the valve body (1), wherein an upper cover (11) is fixedly connected to the valve body (1), a lower cover (14) is detachably installed at the bottom end of the upper cover (11), the ball body (3) is arranged in the upper cover (11), a baffle plate (31) is arranged in a flow channel of the ball body (3), at least one through hole is formed in the baffle plate (31), one end of the valve body (1) is connected with a through pipe (2), a clamping shaft (21) is arranged on the inner wall of the pipeline of the through pipe (2), a movable rod (22) parallel to the through pipe (2) is movably inserted in the middle of the clamping shaft (21), the movable rod (22) is connected with a blocking shaft (24) opposite to one end of the ball body (3), one end of the blocking shaft (24) is connected with a spring (23), the spring (23) is sleeved on the outer surface of the movable rod (22), the other end of the spring (23) is abutted to one end of the clamping shaft (21), a fixing piece (16) is further arranged on the surface of the valve body (1), and the inner wall of the fixing piece (16) is respectively in close contact with the corresponding outer surfaces of the upper cover (11) and the lower cover (14).

2. A low noise shut off ball valve as defined in claim 1, wherein: the breast board (31) is relative the one end of siphunculus (2) is provided with stopper (32), stopper (32) with the fender axle (24) contacts, the other end of breast board (31) is connected with cutoff oar (33), cutoff oar (33) rotate to be settled on the surface of spheroid (3).

3. A low noise shut off ball valve as defined in claim 1, wherein: keep off axle (24) and be the round platform structure, just the one end surface of keeping off axle (24) with the corresponding one end inner wall slip joint of siphunculus (2).

4. A low noise shut off ball valve as defined in claim 1, wherein: the lower cover (14) is provided with a convex plate (141), and the upper cover (11) is provided with a groove (111) matched with the convex plate (141).

5. A low noise shut off ball valve as defined in claim 1, wherein: the surface of the lower cover (14) is fixedly provided with a nut (13), the surface of the upper cover (11) is provided with a nut (13) corresponding to the position of the lower cover (14), and the nut (13) on the upper cover (11) is in threaded connection with the nut (13) on the outer surface of the lower cover (14) through a bolt (12).

6. A low noise shut off ball valve as defined in claim 1, wherein: the top of upper cover (11) rotates to peg graft and has the valve rod, the top fixedly connected with handle (15) of valve rod, just the bottom of valve rod with the top of spheroid (3) is connected.