CN220770294U

CN220770294U - Ball valve capable of preventing water hammer

Info

Publication number: CN220770294U
Application number: CN202322460885.0U
Authority: CN
Inventors: 张成群; 张洪军; 邓建平; 沈开儒; 王忠杰; 张中安; 刘军; 夏建珍
Original assignee: Xuteng Valve Group Co ltd
Current assignee: Xuteng Valve Group Co ltd
Priority date: 2023-09-11
Filing date: 2023-09-11
Publication date: 2024-04-12
Anticipated expiration: 2033-09-11

Abstract

The utility model discloses a waterproof hammer ball valve, and relates to the technical field of ball valves. This waterproof hammer ball valve, through the setting of resistance mechanism, thereby in this waterproof hammer ball valve use, can be when the user rotates the handle, synchronous drive spliced pole removes, and then contact with the block and compress telescopic spring, make the dynamics that the handle needs constantly increase, thereby slow down the opening and closing speed of valve body, avoid appearing the water hammer phenomenon, simultaneously through the setting of knob, screw rod, slider, thereby can adjust telescopic spring's compression stroke, and then can adjust the dynamics that the handle needs of rotating, so as to adapt to different personnel and use, and then improved the practicality of this waterproof hammer ball valve.

Description

Ball valve capable of preventing water hammer

Technical Field

The utility model relates to the technical field of ball valves, in particular to a water hammer-proof ball valve.

Background

Ball valves are typically a ball with a through hole mounted on a valve seat and are turned on and off by rotation of the ball. The ball valve has the advantages of small fluid resistance, simple structure, compactness, reliability, convenient operation, rapid opening and closing, wide application range and the like, and is widely applied to the fields of petroleum, petrochemical industry, chemical industry, metallurgy, electric power, water conservancy, water heating, urban construction, fire control, machinery, coal, food, ships, power stations, ocean engineering and the like.

In the process of opening or closing the ball valve in the prior art, if the opening and closing speed is too high, a water hammer is easy to form, the valve seat is easy to loosen or damage under the influence of the water hammer, and finally the tightness and the service life of the valve can be influenced.

Disclosure of Invention

The utility model aims to provide a waterproof hammer ball valve, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a waterproof hammer ball valve, includes the valve body, the top surface of valve body is provided with the mount pad, and the inside rotation of mount pad is connected with the valve rod, the outer wall bolt fastening of valve rod has the handle, and the outer wall equidistance of valve rod is provided with the spliced pole, the top of mount pad corresponds the spliced pole and is provided with resistance mechanism.

Preferably, the resistance mechanism comprises a shell, the bottom fixed connection of shell is at the top of mount pad, the inner wall laminating of shell is provided with first backup pad, and the top equidistance of first backup pad is provided with telescopic spring, telescopic spring's another tip fixedly connected with second backup pad, and the outer wall laminating of second backup pad sets up the inner wall at the shell, the top fixedly connected with of second backup pad holds up the piece, and holds up the top both sides of piece and establish to the inclined plane form, the spacing groove has been seted up to the top of shell corresponds the piece, and the preceding terminal surface sliding connection of holding up the piece is at the inner wall of spacing groove, the top of second backup pad passes through telescopic spring extrusion setting at the top inner wall of shell.

Preferably, the bottom fixedly connected with fixed block of first backup pad, and the laminating of one side of fixed block is provided with the slider.

Preferably, one side of the fixed block, which is close to the sliding block, is correspondingly arranged in an inclined plane shape, and one side of the sliding block is rotationally connected with a screw rod.

Preferably, the outer wall thread of the screw rod is connected inside one side of the shell, and the other end part of the screw rod is fixedly connected with a rotary handle.

Preferably, one side of the mounting seat is fixedly connected with a support frame, the other end part of the support frame is fixedly connected with a fixing sleeve, the inner wall of the fixing sleeve is fixedly connected with a sleeve, and the inner wall of the sleeve is slidably connected with a sleeve rod.

Preferably, a connecting rod is fixedly connected to one end of the loop bar, one end of the connecting rod is fixedly connected to the outer wall of the valve rod, the end of the sleeve penetrates through a negative pressure hole, the negative pressure hole is communicated with the inner wall of the sleeve, the aperture of the negative pressure hole is smaller than the diameter of the inner wall of the sleeve, and the outer wall of the loop bar is attached to the inner wall of the sleeve.

Compared with the prior art, the utility model has the beneficial effects that: the ball valve is used for preventing water hammer;

1. through the setting of resistance mechanism to in this waterproof hammer ball valve use, can be when the user rotates the handle, synchronous drive spliced pole removes, and then contact with the block and compress to telescopic spring, make the dynamics that the handle needs constantly increase, thereby slow down the opening and closing speed of valve body, avoid appearing the water hammer phenomenon, simultaneously through the setting of knob, screw rod, slider, thereby can adjust telescopic spring's compression stroke, and then can adjust the dynamics that the handle needs of rotating, so as to adapt to different personnel and use, and then improved the practicality of this waterproof hammer ball valve.

2. Through sleeve pipe, loop bar, negative pressure hole's setting to in this waterproof hammer ball valve use, can be when the user rotates the handle, synchronous drive the loop bar shrink into the sleeve pipe in, simultaneously through the setting of negative pressure hole, thereby produce the resistance at the loop bar shrink sleeve pipe in-process, simultaneously when reverse rotation handle will the loop bar take out sleeve pipe in-process, the air current produces the resistance because of the negative pressure hole, slows down the velocity of flow, thereby forms the negative pressure, and then further slows down the opening and closing speed of valve body, has guaranteed the barrier propterty of this waterproof hammer ball valve.

Drawings

FIG. 1 is a schematic overall structure of the present utility model;

FIG. 2 is a schematic view of the entire partial structure of the present utility model;

FIG. 3 is a schematic view of the resistance mechanism of the present utility model;

fig. 4 is a schematic structural view of the connection state of the sleeve and the sleeve according to the present utility model.

In the figure: 1. a valve body; 2. a mounting base; 3. a valve stem; 4. a handle; 5. a connecting column; 7. a support frame; 8. a fixed sleeve; 9. a sleeve; 10. a loop bar; 11. a connecting rod; 12. a negative pressure hole; 6. a resistance mechanism; 601. a housing; 602. a first support plate; 603. a telescopic spring; 604. a second support plate; 605. a block; 606. a limit groove; 607. a fixed block; 608. a slide block; 609. a screw; 610. and (5) rotating the handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a waterproof hammer ball valve, including valve body 1, the top surface of valve body 1 is provided with mount pad 2, and the inside rotation of mount pad 2 is connected with valve rod 3, and the outer wall bolt of valve rod 3 is fixed with handle 4, then the outer wall equidistance of valve rod 3 is provided with spliced pole 5, and the top of mount pad 2 corresponds spliced pole 5 and is provided with resistance mechanism 6, further resistance mechanism 6 includes casing 601, and the bottom of casing 601 is fixedly connected at the top of mount pad 2, and the inner wall laminating of casing 601 is provided with first backup pad 602, then the top equidistance of first backup pad 602 is provided with expansion spring 603, and the other end fixedly connected with second backup pad 604 of expansion spring 603, and the outer wall laminating of second backup pad 604 is provided with the inner wall of casing 601, then the top fixedly connected with stop 605, and the top both sides of stop 605 are set up to the slope form, and the top of casing 601 corresponds stop 605 and is provided with spacing groove 606, then the front and back terminal surface sliding connection in spacing groove 606, and the top of second backup pad 604 is set up at the top of casing 601 through expansion spring 603 extrusion, and the inner wall 607 laminating is provided with first backup pad 602, and the other end is provided with a side of screw rod 608 is connected with a side of screw rod 609 that is connected with one side of screw rod 609 that is fixedly connected with one side of screw rod 609, and screw rod 609 is fixedly connected with one side of screw rod 609, and is fixedly connected with one side of screw rod side of the end of the screw rod is fixedly connected with the other side of the screw rod is connected with the side of the screw rod 609;

more specifically, in the use process of the waterproof hammer ball valve in the embodiment, firstly, the top surface of the valve body 1 is provided with the mounting seat 2, the inside of the mounting seat 2 is rotationally connected with the valve rod 3, the outer wall of the valve rod 3 is fixedly provided with the handle 4 through bolts, and meanwhile, the bottom of the valve rod 3 is provided with the ball body, so that when a user needs to open or close the valve body 1, the ball body can be driven to rotate by ninety degrees through clockwise rotation of the handle 4, and further the opening and closing state of the valve body 1 is realized;

then, connecting columns 5 are equidistantly arranged on the outer wall of the valve rod 3, so that when a user rotates the handle 4, the two connecting columns 5 are synchronously driven to move, then, an expansion spring 603 is equidistantly arranged on the top of the first supporting plate 602, the other end part of the expansion spring 603 is fixedly connected with a second supporting plate 604, the top of the second supporting plate 604 is fixedly connected with a blocking block 605, the two sides of the top of the blocking block 605 are in an inclined plane shape, firstly, when the valve body 1 is in a fully opened or fully closed state, the outer wall of the connecting column 5 is in contact with the bottommost end of one inclined plane of the blocking block 605, and when the handle 4 is rotated, the connecting column 5 is in contact with one inclined plane of the blocking block 605, so that the blocking block 605 is pressed, the blocking block 605 is retracted into the inner wall of the shell 601 and compresses the expansion spring 603, the force required by rotating the handle 4 is continuously increased, and the opening and closing speed of the valve body 1 is slowed down, and a water hammer phenomenon is avoided;

then, the side, which is close to the slide block 608, of the fixing block 607 is correspondingly arranged to be inclined, one side of the slide block 608 is rotationally connected with a screw rod 609, the outer wall of the screw rod 609 is in threaded connection with the inside of one side of the shell 601, meanwhile, the other end part of the screw rod 609 is fixedly connected with a rotary handle 610, so that the screw rod 609 can be driven to rotate by rotating the rotary handle 610, the slide block 608 is pushed, the fixing block 607 is enabled to move upwards, at the moment, the top of the second supporting plate 604 is arranged on the inner wall of the top of the shell 601 in an extrusion mode through the telescopic spring 603, so that the telescopic spring 603 can be compressed, initial force required by rotating the handle 4 is continuously improved, and force required by rotating the handle 4 can be adjusted, so that the device is suitable for different people to use;

through as described above to in this waterproof hammer ball valve use, can be when the user rotates handle 4, synchronous drive spliced pole 5 removes, and then contact with the block 605 and compress to extension spring 603, make the dynamics that rotates handle 4 needs constantly increase, thereby slow down the opening and closing speed of valve body 1, avoid appearing the water hammer phenomenon, simultaneously through the setting of spiral handle 610, screw 609, slider 608, thereby can adjust the compression stroke of extension spring 603, and then can adjust the dynamics that rotates handle 4 needs, so as to adapt to different personnel and use, and then improved the practicality of this waterproof hammer ball valve.

Embodiment two:

on the basis of the embodiment, one side of the mounting seat 2 is fixedly connected with the support frame 7, the other end part of the support frame 7 is fixedly connected with the fixing sleeve 8, the inner wall of the fixing sleeve 8 is fixedly connected with the sleeve 9, then the inner wall of the sleeve 9 is slidably connected with the sleeve rod 10, one end part of the sleeve rod 10 is fixedly connected with the connecting rod 11, one end part of the connecting rod 11 is fixedly connected with the outer wall of the valve rod 3, meanwhile, the end part of the sleeve 9 is provided with a negative pressure hole 12 in a penetrating way, the negative pressure hole 12 is communicated with the inner wall of the sleeve 9, the aperture of the negative pressure hole 12 is smaller than the diameter of the inner wall of the sleeve 9, and then the outer wall of the sleeve rod 10 is attached to the inner wall of the sleeve 9;

more specifically, in this embodiment, when the handle 4 is turned by the user in the use process of the waterproof hammer ball valve, the sleeve rod 10 is slidably connected to the inner wall of the sleeve 9, one end of the sleeve rod 10 is fixedly connected to the connecting rod 11, and one end of the connecting rod 11 is fixedly connected to the outer wall of the valve rod 3, so that the sleeve rod 10 is synchronously driven to retract into the sleeve 9, at this time, the outer wall of the sleeve rod 10 is attached to the inner wall of the sleeve 9, so that air on the inner wall of the sleeve 9 is pushed in the moving process of the sleeve rod 10, at this time, the end of the sleeve 9 is penetrated and provided with the negative pressure hole 12, the negative pressure hole 12 is communicated with the inner wall of the sleeve 9, and the aperture of the negative pressure hole 12 is smaller than the diameter of the inner wall of the sleeve 9, so that the air flow generates resistance due to the negative pressure hole 12, the flow speed is slowed down, and the resistance is generated in the process of the sleeve rod 10 is further shrunk into the sleeve 9, and at the same time, the air flow generates resistance due to the negative pressure hole 12, so that the negative pressure is generated to the sleeve rod 10 under the atmosphere, the resistance is further slowed down, and the opening and closing speed of the waterproof hammer ball valve body 1 is further guaranteed, and the waterproof performance is further guaranteed;

through the above, thereby in this waterproof hammer ball valve use, can be when the user rotates handle 4, synchronous drive loop bar 10 shrink into sleeve pipe 9, simultaneously through the setting of negative pressure hole 12, thereby produce the resistance at loop bar 10 shrink into sleeve pipe 9 in-process, simultaneously when reverse rotation handle 4 with loop bar 10 take out sleeve pipe 9 in-process, the air current produces the resistance because of negative pressure hole 12, slows down the velocity of flow, thereby form the negative pressure, and then further slow down the opening and closing speed of valve body 1, guaranteed the barrier propterty of this waterproof hammer ball valve.

Working principle: when the waterproof hammer ball valve is used, firstly, when the valve body 1 is in a fully opened or fully closed state, the outer wall of the connecting column 5 is in contact with the bottommost end of one side inclined surface of the blocking block 605, and when the handle 4 is rotated, the connecting column 5 is in contact with one side inclined surface of the blocking block 605, so that the blocking block 605 is pressed, the blocking block 605 is retracted into the inner wall of the shell 601 and compresses the telescopic spring 603, so that the force required for rotating the handle 4 is continuously increased, the opening and closing speed of the valve body 1 is slowed down, and the phenomenon of water hammer is avoided;

then, the slider 608 can be pushed by rotating the rotary handle 610, so that the fixed block 607 moves upwards, and the telescopic spring 603 is compressed, so that the initial force required by rotating the handle 4 is continuously improved, and the force required by rotating the handle 4 can be adjusted, so that the device is suitable for different people to use;

then when the user rotates the handle 4, the sleeve rod 10 is synchronously driven to retract into the sleeve 9, so that air on the inner wall of the sleeve 9 is pushed in the moving process of the sleeve rod 10, the air flow is enabled to generate resistance due to the negative pressure hole 12, the flow speed is slowed down, and then resistance is generated in the retracting process of the sleeve rod 10 into the sleeve 9, meanwhile, when the sleeve rod 10 is pulled out of the sleeve 9, the air flow is enabled to generate resistance due to the negative pressure hole 12, the flow speed is slowed down, negative pressure is formed, the resistance is generated on the sleeve rod 10 under the atmospheric pressure, the opening and closing speed of the valve body 1 is further slowed down, and the protective performance of the waterproof hammer ball valve is guaranteed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 utility model provides a waterproof hammer ball valve, includes valve body (1), its characterized in that: the top surface of the valve body (1) is provided with a mounting seat (2), and the inside of the mounting seat (2) is rotationally connected with a valve rod (3);

the outer wall of the valve rod (3) is fixedly provided with a handle (4) through bolts, connecting columns (5) are equidistantly arranged on the outer wall of the valve rod (3), and a resistance mechanism (6) is arranged at the top of the mounting seat (2) corresponding to the connecting columns (5);

the resistance mechanism (6) comprises:

the device comprises a shell (601), wherein the bottom of the shell (601) is fixedly connected to the top of a mounting seat (2), a first supporting plate (602) is attached to the inner wall of the shell (601), telescopic springs (603) are equidistantly arranged on the top of the first supporting plate (602), a second supporting plate (604) is fixedly connected to the other end of each telescopic spring (603), and the outer wall of each second supporting plate (604) is attached to the inner wall of the shell (601);

the top fixedly connected with of second backup pad (604) is blocked piece (605), and blocks the top both sides of piece (605) and establish to the inclined plane form, spacing groove (606) have been seted up corresponding to block (605) in the top of casing (601), and the front and back terminal surface sliding connection of piece (605) is at the inner wall of spacing groove (606), the top of second backup pad (604) is through extension spring (603) extrusion setting at the top inner wall of casing (601).

2. The waterproof hammer ball valve according to claim 1, wherein a fixed block (607) is fixedly connected to the bottom of the first support plate (602), and a slider (608) is attached to one side of the fixed block (607).

3. The ball valve according to claim 2, wherein the side of the fixed block (607) close to the slide block (608) is provided with an inclined surface, and a screw (609) is rotatably connected to one side of the slide block (608).

4. A water hammer resistant ball valve according to claim 3, wherein the outer wall of the screw (609) is screwed inside one side of the housing (601), and the other end of the screw (609) is fixedly connected with a knob (610).

5. The waterproof hammer ball valve according to claim 1, wherein one side of the mounting seat (2) is fixedly connected with a supporting frame (7), the other end part of the supporting frame (7) is fixedly connected with a fixing sleeve (8), the inner wall of the fixing sleeve (8) is fixedly connected with a sleeve (9), and the inner wall of the sleeve (9) is slidably connected with a sleeve rod (10).

6. The waterproof hammer ball valve according to claim 5, wherein one end part of the sleeve rod (10) is fixedly connected with a connecting rod (11), one end part of the connecting rod (11) is fixedly connected with the outer wall of the valve rod (3), the end part of the sleeve pipe (9) is provided with a negative pressure hole (12) in a penetrating mode, the negative pressure hole (12) is communicated with the inner wall of the sleeve pipe (9), the aperture of the negative pressure hole (12) is smaller than the diameter of the inner wall of the sleeve pipe (9), and the outer wall of the sleeve rod (10) is attached to the inner wall of the sleeve pipe (9).