CN218935468U

CN218935468U - Self-locking safety ball valve

Info

Publication number: CN218935468U
Application number: CN202222521529.0U
Authority: CN
Inventors: 陈建安
Original assignee: Kunshan Laiheng Clean Materials Co ltd
Current assignee: Kunshan Laiheng Clean Materials Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-04-28
Anticipated expiration: 2032-09-23

Abstract

The utility model provides a self-locking safety ball valve. The self-locking safety ball valve comprises a ball valve body, wherein a valve rod is rotationally connected to the ball valve body, a rotating handle is fixedly connected to the top of the valve rod, a circular plate is fixedly connected to the outer surface of the valve rod, a first jack and a second jack are formed in the bottom of the circular plate, a fixed block is fixedly connected to the ball valve body, a sliding block is slidingly connected to the right side of the fixed block, a bolt is fixedly connected to the top of the sliding block, and a compression spring is arranged between the bottom of the sliding block and the ball valve body. According to the self-locking safety ball valve, through the matched use of the plug pin, the first jack and the second jack, the circular plate can be locked, and further the locking of the valve rod is realized, so that the valve rod can be fixed under the condition of opening or closing, accidental opening or closing of the valve body caused by false touch is avoided, and the use safety is improved.

Description

Self-locking safety ball valve

Technical Field

The utility model relates to the field of ball valves, in particular to a self-locking safety ball valve.

Background

The ball valve, the opening and closing piece (sphere) is driven by the valve rod and rotates around the axis of the ball valve. The device can also be used for regulating and controlling fluid, wherein the hard seal V-shaped ball valve has strong shearing force between the V-shaped ball core and the metal valve seat of the hard alloy for surfacing, and is particularly suitable for mediums containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the flow direction switching of the medium on the pipeline, and simultaneously can close any channel to connect the other two channels.

In the related art, when the ball valve is closed, the valve rod is still in the movable condition, and in the use process, if a worker carelessly touches the valve rod, the valve rod can be rotated to open the valve again, so that a large amount of medium in the pipeline can be leaked, and resource waste and safety accidents are caused.

Therefore, it is necessary to provide a self-locking safety ball valve to solve the above technical problems.

Disclosure of Invention

The utility model provides a self-locking safety ball valve, which solves the problems in the background technology.

In order to solve the technical problems, the self-locking safety ball valve comprises a ball valve body, wherein a valve rod is rotationally connected to the ball valve body, a rotating handle is fixedly connected to the top of the valve rod, a circular plate is fixedly connected to the outer surface of the valve rod, a first jack and a second jack are formed in the bottom of the circular plate, a first fixed block is fixedly connected to the ball valve body, a sliding block is slidingly connected to the right side of the first fixed block, a bolt is fixedly connected to the top of the sliding block, and a compression spring is arranged between the bottom of the sliding block and the ball valve body.

Preferably, the plug pin is matched with the first jack and the second jack.

Preferably, the left side fixedly connected with triangle connecting block of first fixed block, the bottom of triangle connecting block is fixed in on the ball valve body.

Preferably, the inside of ball valve body is provided with the filter screen, the bottom of ball valve body is provided with the drain, the outside threaded connection of drain has the closing cap.

Preferably, the right side fixedly connected with sealing frame of ball valve body, sealing baffle has to slide to seal the inside of frame.

Preferably, the bottom of the sealing baffle plate penetrates through the sealing frame and extends to the inside of the sealing frame, the bottom of the sealing baffle plate is fixedly connected with a second fixing block, and the second fixing block is fixed to the bottom of the sealing frame through a bolt.

Compared with the related art, the self-locking safety ball valve provided by the utility model has the following beneficial effects:

the utility model provides a self-locking safety ball valve, which is characterized in that when a valve body is in a closed state, a rotating handle and the valve body are in a horizontal state, when the valve body is opened, a sliding block is required to be manually pressed, so that the sliding block downwards presses a compression spring, the sliding block downwards moves, the bolt downwards moves to withdraw from a first jack and lose the fixation of a circular plate, so that the valve rod can rotate, the rotating handle is rotated to drive the valve rod to rotate, the valve body is opened, the valve rod rotates to drive the first jack and the second jack to move circularly, the valve rod rotates for 90 degrees, the second jack is aligned with the bolt, after the sliding block is released, the compression spring is reset due to elastic force, the bolt is inserted into the second jack to fix the circular plate, so that the valve rod is fixed, the locking of the circular plate can be realized through the matching use of the bolt and the first jack and the second jack, the valve rod can be fixed under the condition of opening or closing, the valve rod can be prevented from being accidentally opened or closed due to false touch, and the safety of the use is improved.

Drawings

FIG. 1 is a schematic view of a first embodiment of a self-locking safety ball valve according to the present utility model;

FIG. 2 is an enlarged view of a portion of the view A shown in FIG. 1;

FIG. 3 is a bottom view of the circular plate of FIG. 1;

fig. 4 is a schematic structural view of a second embodiment of a self-locking safety ball valve provided by the present utility model.

Reference numerals in the drawings: 1. a ball valve body; 2. a valve stem; 3. a rotating handle; 4. a circular plate; 5. a first jack; 6. a second jack; 7. a first fixed block; 8. a sliding block; 9. a plug pin; 10. a compression spring; 11. a triangular connecting block; 12. a filter screen; 13. a sewage outlet; 14. a cover; 15. a sealing frame; 16. a sealing baffle; 17. and a second fixed block.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1, fig. 2, and fig. 3 in combination, fig. 1 is a schematic structural diagram of a first embodiment of a self-locking safety ball valve according to the present utility model; FIG. 2 is an enlarged view of a portion of the view A shown in FIG. 1; fig. 3 is a bottom view of the circular plate shown in fig. 1. The self-locking safety ball valve comprises a ball valve body 1, wherein a valve rod 2 is rotationally connected to the ball valve body 1, a rotating handle 3 is fixedly connected to the top of the valve rod 2, a circular plate 4 is fixedly connected to the outer surface of the valve rod 2, a first insertion hole 5 and a second insertion hole 6 are formed in the bottom of the circular plate 4, a first fixing block 7 is fixedly connected to the ball valve body 1, a sliding block 8 is slidingly connected to the right side of the first fixing block 7, a bolt 9 is fixedly connected to the top of the sliding block 8, and a compression spring 10 is arranged between the bottom of the sliding block 8 and the ball valve body 1.

The latch 9 is adapted to both the first jack 5 and the second jack 6.

The left side fixedly connected with triangle connecting block 11 of first fixed block 7, the bottom of triangle connecting block 11 is fixed in on the ball valve body 1, through the setting of triangle connecting block 11 can increase the stability of first fixed block 7, has increased stability and the intensity of support.

The working principle of the self-locking safety ball valve provided by the utility model is as follows:

when the valve body 1 is in a closed state, the rotating handle 3 and the valve body 1 are in a horizontal state, when the valve body 1 is opened, the sliding block 8 needs to be manually pressed, so that the sliding block 8 downwards extrudes the compression spring 10, the bolt 9 downwards moves when the sliding block 8 downwards moves, the first jack 5 is withdrawn, the fixation of the circular plate 4 is lost, the fixation of the valve rod 2 is lost, the valve rod 2 can rotate, the rotating handle 3 is rotated to drive the valve rod 2 to rotate, the valve body 1 is opened, the valve rod 2 rotates to drive the first jack 5 and the second jack 6 to move circularly, the valve rod 2 rotates by 90 degrees, the second jack 6 is aligned with the bolt 9, and after the sliding block 8 is released, the compression spring 10 is reset due to elastic force, the bolt 9 is inserted into the second jack 6 to fix the circular plate 4, and the valve rod 2 is fixed.

when the valve body 1 is in a closed state, the rotating handle 3 and the valve body 1 are in a horizontal state, when the valve body 1 is opened, the sliding block 8 needs to be manually pressed, the sliding block 8 downwards extrudes the compression spring 10, the sliding block 8 downwards moves, the bolt 9 downwards moves to withdraw from the first jack 5, the fixation of the circular plate 4 is lost, thereby the fixation of the valve rod 2 is lost, the valve rod 2 can rotate, the rotating handle 3 is rotated to drive the valve rod 2 to rotate, the valve body 1 is opened, the valve rod 2 can drive the first jack 5 and the second jack 6 to move circularly when rotating, the valve rod 2 rotates by 90 degrees, the second jack 6 is aligned with the bolt 9, after the sliding block 8 is released, the compression spring 10 is reset due to elastic force, the bolt 9 is inserted into the second jack 6 to fix the circular plate 4, thereby the valve rod 2 is fixed, the circular plate 4 is locked through the matched use of the bolt 9 and the first jack 5 and the second jack 6, the locking of the valve rod 2 is realized, the valve rod 2 can be opened or closed, the valve body 2 can be opened or closed under the condition that the valve body is opened or closed, the accidental opening and the accidental opening of the valve body is avoided.

Second embodiment

Referring to fig. 4 in combination, another self-locking safety ball valve is proposed according to a second embodiment of the present application based on the self-locking safety ball valve provided in the first embodiment of the present application. The second embodiment is merely a preferred manner of the first embodiment, and implementation of the second embodiment does not affect the implementation of the first embodiment alone.

Specifically, the second embodiment of the present application provides a self-locking safety ball valve, which is characterized in that a filter screen 12 is disposed in the ball valve body 1, a drain outlet 13 is disposed at the bottom of the ball valve body 1, and a sealing cover 14 is screwed on the outside of the drain outlet 13.

The right side fixedly connected with sealing frame 15 of ball valve body 1, sealing frame 15's inside slides has sealing baffle 16.

The bottom of sealing baffle 16 runs through sealing frame 15 and extends to sealing frame 15's inside, sealing baffle 16's bottom fixedly connected with second fixed block 17, second fixed block 17 passes through the bottom of bolt fastening in sealing frame 15, with the bolt back of unscrewing for second fixed block 17 and sealing frame 15 separation, sealing baffle 16 can the landing downwards for sealing frame 15 opens, can not block the medium.

the filter screen 12 can play a role in filtering media inside the valve body 1, the situation that the valve body 1 is blocked is avoided, the sealing baffle 16 is pushed upwards and then is abutted to the top of the inner wall of the sealing frame 15, the media can be blocked, the sealing cover 14 can be opened later, and impurities are removed through the drain 13.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. The utility model provides a from locking-type safety ball valve, includes ball valve body (1), its characterized in that: the ball valve is characterized in that the ball valve body (1) is rotationally connected with a valve rod (2), the top of the valve rod (2) is fixedly connected with a rotating handle (3), the outer surface of the valve rod (2) is fixedly connected with a circular plate (4), the bottom of the circular plate (4) is provided with a first inserting hole (5) and a second inserting hole (6), the ball valve body (1) is fixedly connected with a first fixing block (7), the right side of the first fixing block (7) is slidingly connected with a sliding block (8), the top of the sliding block (8) is fixedly connected with a bolt (9), and a compression spring (10) is arranged between the bottom of the sliding block (8) and the ball valve body (1).

2. Self-locking safety ball valve according to claim 1, characterized in that the plug pin (9) is adapted to both the first and second plug holes (5, 6).

3. The self-locking safety ball valve according to claim 1, wherein a triangular connecting block (11) is fixedly connected to the left side of the first fixed block (7), and the bottom of the triangular connecting block (11) is fixed on the ball valve body (1).

4. The self-locking safety ball valve according to claim 1, wherein a filter screen (12) is arranged in the ball valve body (1), a drain outlet (13) is arranged at the bottom of the ball valve body (1), and a sealing cover (14) is connected to the external thread of the drain outlet (13).

5. Self-locking safety ball valve according to claim 1, characterized in that the right side of the ball valve body (1) is fixedly connected with a sealing frame (15), and the inside of the sealing frame (15) is sliding with a sealing baffle (16).

6. The self-locking safety ball valve according to claim 5, wherein the bottom of the sealing baffle (16) penetrates through the sealing frame (15) and extends to the inside of the sealing frame (15), a second fixing block (17) is fixedly connected to the bottom of the sealing baffle (16), and the second fixing block (17) is fixed to the bottom of the sealing frame (15) through bolts.