CN213839562U

CN213839562U - Multifunctional stop valve

Info

Publication number: CN213839562U
Application number: CN202022488053.6U
Authority: CN
Inventors: 李嘉伟; 李佰章
Original assignee: Yongjia Haochangwei Valve Co ltd
Current assignee: Yongjia Haochangwei Valve Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-07-30
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses a multifunctional stop valve, which comprises a main body, wherein one end of the top of the main body is fixedly connected with a fixed frame, the inner part of the fixed frame is movably connected with a first screw rod, a first nut is movably sleeved on the outer side of the surface of the first screw rod, the top of the first screw rod penetrates through the top of the main body and extends to the inner part of the main body, the top of the first screw rod is fixedly connected with a fixed chuck, and the inner part of the main body is movably connected with a movable ring; through the mount, first screw rod, first nut and the fixed dop of design, be convenient for fix the connection pad to fix the aqueduct, through shift ring, sealing washer, connecting block, second screw rod and the second nut that is equipped with, be convenient for remove the shift ring, make sealing washer and go-between laminate each other, prevent to take place the seepage, solved because the process of installation is comparatively loaded down with trivial details, lead to the problem that the installation effectiveness of device reduces.

Description

Multifunctional stop valve

Technical Field

The utility model belongs to the technical field of the stop valve, concretely relates to multifunctional stop valve.

Background

The stop valve is also called a stop valve, belonging to a forced sealing type valve, so when the valve is closed, pressure must be applied to a valve clack to prevent a sealing surface from leaking, when a medium enters the valve from the lower part of the valve clack, the resistance to be overcome by an operating force is the friction force of a valve rod and a filler and the thrust generated by the pressure of the medium, the force for closing the valve is larger than the force for opening the valve, so the diameter of the valve rod is larger, otherwise, the failure of the valve rod bending can occur, and the stop valve is divided into three types according to the connection mode: the valve is characterized in that the valve body is provided with a valve clack, a valve rod is arranged in the valve cavity, the valve clack is connected with a stop valve, the stop valve is connected with a flange, a screw thread and a welding joint, after the self-sealing valve appears, the medium flow direction of the stop valve enters the valve cavity from the upper part of the valve clack, at the moment, the force for closing the valve is small under the action of medium pressure, the force for opening the valve is large, the diameter of the valve rod can be correspondingly reduced, and meanwhile, the valve is tighter under the action of the medium.

When the existing device is installed, the installation efficiency of the device is reduced due to the fact that the installation process is complex, however, water flow cannot be cut off timely when water inside the device flows back, and therefore the multifunctional stop valve is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multifunctional stop valve to propose current device when installing in solving above-mentioned background art, because the process of installation is comparatively loaded down with trivial details, lead to the installation effectiveness of device to reduce, the problem of cutting off rivers that can not be timely when nevertheless installing inside water and flowing back.

In order to achieve the above object, the utility model provides a following technical scheme: a multifunctional stop valve comprises a main body, wherein a fixing frame is fixedly connected to one end of the top of the main body, a first screw rod is movably connected to the inside of the fixing frame, a first nut is movably sleeved on the outer side of the surface of the first screw rod, the top of the first screw rod penetrates through the top of the main body and extends to the inside of the main body, a fixed chuck is fixedly connected to the top of the first screw rod, a moving ring is movably connected to the inside of the main body, a sealing ring is fixedly connected to one side of the moving ring, a connecting block is fixedly connected to one end of one side of the moving ring, a second screw rod is fixedly connected to one side of the connecting block, a connecting ring is fixedly connected to one end of the main body, a limiting block is fixedly connected to one end of the inner side of the connecting ring, one end of the second screw rod penetrates through the inside of the limiting block and extends to the outside, a second nut is movably sleeved on the outer side of the surface of the second screw rod, the inner side of the fixed clamping head is movably connected with a connecting disc, and the other side of the connecting disc is fixedly connected with a water guide pipe.

Preferably, a fixed sleeve is fixedly connected to the middle of the top end of the main body, a third screw rod is movably connected to the inside of the fixed sleeve, a rotating disc is fixedly connected to the top end of the third screw rod, a first guide plate is fixedly connected to the top end of the inside of the main body, a second guide plate is fixedly connected to the bottom end of the inside of the main body, the bottom of the third screw rod penetrates through the inside of the fixed sleeve and the top surface of the main body and extends to the inside of the main body, a movable sleeve is movably connected to the bottom end of the main body, a flow limiting plate is movably connected to the bottom end of the movable sleeve, a sealing plate is fixedly connected to the bottom of the movable sleeve, a movable block is fixedly connected to one end of the flow limiting plate, a guide rod is movably connected to the inside of the movable block, a fixed block is fixedly connected to the top end of the inside of the movable sleeve, and a fixed plate is fixedly connected to the bottom end of the inside of the movable sleeve, the top middle part fixedly connected with telescopic link of current-limiting plate, the top fixedly connected with spring of fixed plate, the top fixedly connected with mounting panel of telescopic link.

Preferably, the cross section of the fixed chuck is in an L shape, and the diameter of the seal ring is equal to the diameter of the connecting disc.

Preferably, the first nut is located on the inner side of the fixing frame, and one side surface of the second nut is attached to the surface of the limiting block.

Preferably, the width of the inner side of the fixed chuck is equal to the width of the connecting disc plus the width of the sealing ring, and the bottom of the first screw penetrates through the inside of the fixed frame and extends to the outside.

Preferably, the other end of the guide rod is fixedly connected with the inner wall of the main body, the number of the moving blocks and the number of the guide rod are two, the two moving blocks are respectively located at two ends of the current-limiting plate, and the guide rod is respectively located inside the two moving blocks.

Preferably, the telescopic rod is located inside the movable sleeve, the top of the telescopic rod penetrates through the inside of the fixed plate and extends to the inside of the movable sleeve, the spring is located between the fixed plate and the mounting plate, and the telescopic rod is located on the inner side of the spring.

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

1. through the mount, first screw rod, first nut and the fixed dop of design, be convenient for fix the connection pad to fix the aqueduct, through shift ring, sealing washer, connecting block, second screw rod and the second nut that is equipped with, be convenient for remove the shift ring, make sealing washer and go-between laminate each other, prevent to take place the seepage, solved because the process of installation is comparatively loaded down with trivial details, lead to the problem that the installation effectiveness of device reduces.

2. Through the current-limiting plate, closing plate, telescopic link, mounting panel, fixed plate and the spring of design, be convenient for when water flows back, produce pressure to the current-limiting plate for the current-limiting plate removes downwards, carries out the shutoff to main part inner channel, and through the movable block and the guide bar that are equipped with, the current-limiting plate of being convenient for reciprocates, prevents that the current-limiting plate from rotating, has solved the problem that can not be timely cut off rivers when device inside water flows back.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the connection ring structure of the present invention;

FIG. 3 is a schematic structural view of the restrictor plate of the present invention;

fig. 4 is a schematic view of the internal structure of the movable sleeve of the present invention.

In the figure: 1. a main body; 2. a fixed mount; 3. a first screw; 4. a first nut; 5. fixing the chuck; 6. a moving ring; 7. a seal ring; 8. connecting blocks; 9. a second screw; 10. a connecting ring; 11. a limiting block; 12. a second nut; 13. a connecting disc; 14. a water conduit; 15. fixing the sleeve; 16. a third screw; 17. rotating the disc; 18. a first baffle; 19. a second baffle; 20. moving the sleeve; 21. a restrictor plate; 22. a sealing plate; 23. a moving block; 24. a guide bar; 25. a fixed block; 26. a fixing plate; 27. a telescopic rod; 28. a spring; 29. and (7) mounting the plate.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a multifunctional stop valve comprises a main body 1, wherein one end of the top of the main body 1 is fixedly connected with a fixed frame 2, the inside of the fixed frame 2 is movably connected with a first screw rod 3, the outer side of the surface of the first screw rod 3 is movably sleeved with a first nut 4, the top of the first screw rod 3 penetrates through the top of the main body 1 and extends to the inside of the main body 1, the top of the first screw rod 3 is fixedly connected with a fixed chuck 5, the inside of the main body 1 is movably connected with a moving ring 6, one side of the moving ring 6 is fixedly connected with a sealing ring 7, one end of one side of the moving ring 6 is fixedly connected with a connecting block 8, one side of the connecting block 8 is fixedly connected with a second screw rod 9, one end of the main body 1 is fixedly connected with a connecting ring 10, one end of the inner side of the connecting ring 10 is fixedly connected with a limiting block 11, one end of the second screw rod 9 penetrates through the inside of the limiting block 11 and extends to the outside, the outer side of the second screw rod 9 is movably sleeved with a second nut 12, the inner side of the fixed chuck 5 is movably connected with a connecting disc 13, and the other side of the connecting disc 13 is fixedly connected with a water guide pipe 14.

In this embodiment, firstly, each part is installed, the first nut 4 is rotated, so that the first screw rod 3 moves to the outside of the fixing frame 2, the fixing chuck 5 is driven to move, the connecting disc 13 is placed in the main body 1, the first nut 4 is rotated again, so that the first screw rod 3 moves downwards, the fixing chuck 5 is driven to move downwards, the fixing chuck 5 clamps the outer side of the surface of the connecting disc 13, the second nut 12 is rotated, the second screw rod 9 moves in the second nut 12 and the limiting block 11, the moving ring 6 is driven to move, the sealing ring 7 moves towards the connecting disc 13, the surface of the sealing ring 7 is attached to the surface of the connecting disc 13, the second nut 12 is screwed, the sealing ring 7 is more stably contacted with the connecting disc 13, and the use is convenient.

Specifically, a fixed sleeve 15 is fixedly connected to the middle of the top end of the main body 1, a third screw 16 is movably connected to the inside of the fixed sleeve 15, a rotating disc 17 is fixedly connected to the top end of the third screw 16, a first guide plate 18 is fixedly connected to the top end of the inside of the main body 1, a second guide plate 19 is fixedly connected to the bottom end of the inside of the main body 1, the bottom of the third screw 16 penetrates through the inside of the fixed sleeve 15 and the top surface of the main body 1 and extends to the inside of the main body 1, a movable sleeve 20 is movably connected to the bottom end of the main body 1, a current limiting plate 21 is movably connected to the bottom end of the movable sleeve 20, a sealing plate 22 is fixedly connected to the bottom end of the movable sleeve 20, a movable block 23 is fixedly connected to one end of the current limiting plate 21, a guide rod 24 is movably connected to the inside of the movable block 23, a fixed block 25 is fixedly connected to the top end of the inside of the movable sleeve 20, a fixed plate 26 is fixedly connected to the bottom end of the inside of the movable sleeve 20, the top middle part fixedly connected with telescopic link 27 of current-limiting plate 21, the top fixedly connected with spring 28 of fixed plate 26, the top fixedly connected with mounting panel 29 of telescopic link 27.

In this embodiment, the rotating disc 17 is rotated to drive the third screw 16 to rotate, so that the movable sleeve 20 can move upwards, the fixed plate 26 is driven to move upwards, so that the current limiting plate 21 moves upwards, the sealing plate 22 is not blocked any more, so that the water in the main body 1 can flow, when the water flows back, pressure can be caused on the current limiting plate 21, so that the current limiting plate 21 moves downwards, the sealing plate 22 is driven to move downwards, the inside of the main body 1 is blocked again, the telescopic rod 27 can be prevented from moving downwards when the movable sleeve 20 moves upwards through the spring 28, the current limiting plate 21 does not move upwards, the sealing plate 22 cannot be driven to move upwards, and the use is convenient.

Specifically, the cross-sectional shape of the fixed chuck 5 is L-shaped, and the diameter of the seal ring 7 is equal to the diameter of the connection plate 13.

In this embodiment, conveniently fix dop 5 and fix connection pad 13, cover connection pad 13's surface through sealing washer 7 convenience, prevent the seepage, convenient to use.

Specifically, the first nut 4 is located on the inner side of the fixing frame 2, and a side surface of the second nut 12 is attached to a surface of the limiting block 11.

In this embodiment, the first nut 4 is prevented from moving outside the surface of the first screw 3 when the first nut 4 is rotated, which is convenient to use.

Specifically, the inner width of the fixed chuck 5 is equal to the width of the connecting disc 13 plus the width of the sealing ring 7, and the bottom of the first screw 3 penetrates through the inside of the fixed frame 2 and extends to the outside.

In this embodiment, prevent that connection pad 13 from removing in the inboard of fixed dop 5 for sealing washer 7 can get into the inboard of fixed dop 5, conveniently makes connection pad 13 fix between fixed dop 5 and sealing washer 7, convenient to use.

Specifically, the other end of the guide rod 24 is fixedly connected with the inner wall of the main body 1, the number of the moving blocks 23 and the number of the guide rod 24 are two, the two moving blocks 23 are respectively located at two ends of the current limiting plate 21, and the guide rod 24 is respectively located inside the two moving blocks 23.

In this embodiment, the guide rod 24 can prevent the restrictor plate 21 from moving during the ascending process, and the use is convenient.

Specifically, the telescopic rod 27 is located inside the moving sleeve 20, the top of the telescopic rod 27 penetrates through the inside of the fixed plate 26 and extends to the inside of the moving sleeve 20, the spring 28 is located between the fixed plate 26 and the mounting plate 29, and the telescopic rod 27 is located inside the spring 28.

In this embodiment, the movable sleeve 20 drives the fixed plate 26 and the spring 28 to move upwards, so as to drive the mounting plate 29 and the telescopic rod 27 to move upwards, and thus drive the restrictor plate 21 and the sealing plate 22 to move upwards, which is convenient to use.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A multifunctional stop valve, includes main part (1), its characterized in that: the top end of the main body (1) is fixedly connected with a fixing frame (2), the inside of the fixing frame (2) is movably connected with a first screw (3), a first nut (4) is movably sleeved on the outer side of the surface of the first screw (3), the top of the first screw (3) penetrates through the top of the main body (1) and extends into the main body (1), a fixed clamping head (5) is fixedly connected with the top of the first screw (3), a moving ring (6) is movably connected with the inside of the main body (1), a sealing ring (7) is fixedly connected in one side of the moving ring (6), a connecting block (8) is fixedly connected with one end of one side of the moving ring (6), a second screw (9) is fixedly connected with one side of the connecting block (8), a connecting ring (10) is fixedly connected with one end of the main body (1), and a limiting block (11) is fixedly connected with one end of the inner side of the connecting ring (10), one end of the second screw rod (9) penetrates through the inside of the limiting block (11) and extends to the outside, a second nut (12) is movably sleeved on the outer side of the surface of the second screw rod (9), the inner side of the fixed clamping head (5) is movably connected with a connecting disc (13), and the other side of the connecting disc (13) is fixedly connected with a water guide pipe (14).

2. The multi-functional stop valve of claim 1, wherein: the middle part of the top end of the main body (1) is fixedly connected with a fixed sleeve (15), the inside of the fixed sleeve (15) is movably connected with a third screw (16), the top end of the third screw (16) is fixedly connected with a rotating disc (17), the top end of the inside of the main body (1) is fixedly connected with a first guide plate (18), the bottom end of the inside of the main body (1) is fixedly connected with a second guide plate (19), the bottom of the third screw (16) penetrates through the inside of the fixed sleeve (15) and the top surface of the main body (1) and extends to the inside of the main body (1), the bottom end of the main body (1) is movably connected with a movable sleeve (20), the bottom end of the movable sleeve (20) is movably connected with a current limiting plate (21), the bottom of the movable sleeve (20) is fixedly connected with a sealing plate (22), and one end of the current limiting plate (21) is fixedly connected with a movable block (23), the inside swing joint of movable block (23) has guide bar (24), the inside top fixedly connected with fixed block (25) of movable sleeve (20), the inside bottom fixedly connected with fixed plate (26) of movable sleeve (20), the top middle part fixedly connected with telescopic link (27) of current-limiting plate (21), the top fixedly connected with spring (28) of fixed plate (26), the top fixedly connected with mounting panel (29) of telescopic link (27).

3. The multi-functional stop valve of claim 1, wherein: the cross section of the fixed clamping head (5) is L-shaped, and the diameter of the sealing ring (7) is equal to that of the connecting disc (13).

4. The multi-functional stop valve of claim 1, wherein: the first nut (4) is located on the inner side of the fixing frame (2), and one side surface of the second nut (12) is attached to the surface of the limiting block (11).

5. The multi-functional stop valve of claim 1, wherein: the inner side width of the fixed chuck (5) is equal to the width of the connecting disc (13) and the width of the sealing ring (7), and the bottom of the first screw (3) penetrates through the inner part of the fixing frame (2) and extends to the outside.

6. A multi-function shut-off valve as defined in claim 2, wherein: the other end of each guide rod (24) is fixedly connected with the inner wall of the main body (1), the number of the moving blocks (23) and the number of the guide rods (24) are two, the two moving blocks (23) are respectively located at two ends of the current limiting plate (21), and the guide rods (24) are respectively located inside the two moving blocks (23).

7. A multi-function shut-off valve as defined in claim 2, wherein: the telescopic rod (27) is positioned inside the movable sleeve (20), the top of the telescopic rod (27) penetrates through the inside of the fixed plate (26) and extends to the inside of the movable sleeve (20), the spring (28) is positioned between the fixed plate (26) and the mounting plate (29), and the telescopic rod (27) is positioned on the inner side of the spring (28).