CN214578909U

CN214578909U - Anti-leakage butterfly valve

Info

Publication number: CN214578909U
Application number: CN202120357988.2U
Authority: CN
Inventors: 马锦云; 张青山
Original assignee: Jiangsu Tongyu Machinery Co ltd
Current assignee: Jiangsu Tongyu Machinery Co ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-11-02
Anticipated expiration: 2031-02-07

Abstract

The utility model discloses a prevent leaking butterfly valve relates to butterfly valve technical field, which comprises a valve body, the right side of valve body upper surface is inlayed and is had first seal bearing, first bull stick has been placed on the upper portion of valve body, the first card frame of right side fixedly connected with of valve body inner wall, a set of stop gear is installed to the inner wall of first card frame, first current-limiting plate has been placed to the inside of valve body, has the second current-limiting plate, the upper end of second bull stick and the lower part fixed connection of second current-limiting plate surface, adjustment mechanism is installed in the left side of valve body upper surface. The utility model relates to a rational in infrastructure, it can set up through the cooperation between first bull stick, first carriage, first current-limiting plate, stop gear, second bull stick, second carriage and the second current-limiting plate, to the valve body is inside to carrying out twice current-limiting, and then makes the device prevent leaking effectually, through setting up adjustment mechanism for the device prevent leaking the effect easily and adjust, and then makes the application scope of device bigger.

Description

Anti-leakage butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field specifically is a prevent leaking butterfly valve.

Background

The butterfly valve is a regulating valve with simple structure, and can be used for on-off control of low-pressure pipeline medium, i.e. a valve whose closing member is a disk and can be rotated around valve shaft to open and close, and can be used for controlling flow of various fluids of air, water, steam, oil product, liquid metal and radioactive medium, etc..

The butterfly valve is used in the control to rivers mostly in the life, and current butterfly valve mostly only sets up once the current-limiting, and the device prevents leaking the effect not good, and the inside current-limiting effect of device is difficult to adjust simultaneously for the application scope of device is less. To this end, we provide a leak-proof butterfly valve that solves the above problems.

SUMMERY OF THE UTILITY MODEL

One) technical problem to be solved

The utility model aims at providing a prevent leaking butterfly valve in order to compensate the not enough of prior art.

II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a leakage-proof butterfly valve comprises a valve body, wherein a first sealing bearing is embedded on the right side of the upper surface of the valve body, a first rotating rod is placed on the upper portion of the valve body, a first clamping frame is fixedly connected to the right side of the inner wall of the valve body, a group of limiting mechanisms are installed on the inner wall of the first clamping frame, the bottom end of the first rotating rod sequentially penetrates through the first sealing bearing and the first clamping frame and extends into the first clamping frame, the outer surface of the first rotating rod is fixedly connected with the inner ring of the first sealing bearing, a first flow limiting plate is placed inside the valve body, the bottom end of the first rotating rod is fixedly connected with the upper portion of the outer surface of the first flow limiting plate, a second clamping frame is fixedly connected to the left side of the inner wall of the valve body, a groove is formed in the inner wall of the second clamping frame, a second sealing bearing is embedded on the left side of the bottom surface of the valve body, a second rotating rod is placed at the bottom of the valve body and sequentially penetrates through the second sealing bearing and the second clamping frame and extends into the second clamping frame, a second flow limiting plate is placed inside the valve body, the upper end of the second rotating rod is fixedly connected with the lower portion of the outer surface of the second flow limiting plate, and an adjusting mechanism is installed on the left side of the upper surface of the valve body.

Further, stop gear includes the circular slot, the inner wall of first card frame is seted up to the circular slot, the inner wall fixedly connected with expanding spring of circular slot, expanding spring keeps away from the spacing ball of one end fixedly connected with of circular slot.

Furthermore, a group of limiting grooves matched with the limiting balls are formed in the outer surface of the first flow limiting plate, and the outer surface of the first flow limiting plate is matched with the inner wall of the first clamping frame.

Further, adjustment mechanism includes a piston cylinder, the piston cylinder is inlayed in the upper surface of valve body, the inner wall sliding connection of piston cylinder has the piston, the upper surface threaded connection of piston cylinder has the threaded rod, the threaded rod runs through the piston cylinder and extends to the inside of piston cylinder, and the bottom of threaded rod is connected with the upper surface rotation of piston, the inner wall fixedly connected with gasbag of recess, the inside of piston cylinder is linked together through the inside of breather pipe with the gasbag.

Further, the equal fixedly connected with mounting panel of the left and right sides face of valve body, two a set of mounting hole has all been seted up to the surface of mounting panel.

Furthermore, a third sealing bearing is arranged at the penetrating position of the second rotating rod and the second clamping frame and the penetrating position of the first rotating rod and the first clamping frame.

The three beneficial effects are as follows:

compared with the prior art, this prevent leaking butterfly valve possesses following beneficial effect:

first, the utility model discloses a cooperation setting between first bull stick, first carriage, first flow restriction board, stop gear, second bull stick, second carriage and the second flow restriction board, rotatory first bull stick for first flow restriction board is located the inside of first carriage, and rotatory second bull stick makes the second flow restriction board be located the inside of second carriage, to the valve body inside to carrying out twice current-limiting, and then makes the device prevent leaking effectually.

Two, the utility model discloses a set up adjustment mechanism, the rotary threaded rod drives the piston downstream for the inside air of piston cylinder flows to the inside of gasbag through the breather pipe, adjusts the inflation degree of gasbag, makes the surface of gasbag and the surface of second current-limiting plate contact, plays spacing when the surface of second current-limiting plate, makes the device prevent leaking the effect easily and adjusts, and then makes the application scope of device bigger.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 3 is a schematic top view of the cross-sectional structure of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3 according to the present invention;

fig. 5 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.

In the figure: 1. a valve body; 2. a first sealed bearing; 3. a first rotating lever; 4. a first card frame; 5. a limiting mechanism; 6. a second card frame; 7. a groove; 8. a second sealed bearing; 9. a second rotating rod; 10. a second restrictor plate; 11. an adjustment mechanism; 12. a first restrictor plate; 13. a circular groove; 14. a tension spring; 15. a limiting ball; 16. a limiting groove; 17. a piston cylinder; 18. a piston; 19. a threaded rod; 20. an air bag; 21. a breather pipe; 22. mounting a plate; 23. mounting holes; 24. and a third sealed bearing.

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.

As shown in fig. 1-5, the utility model provides a technical solution: a leakage-proof butterfly valve comprises a valve body 1, a first sealing bearing 2 is inlaid on the right side of the upper surface of the valve body 1, a first rotating rod 3 is placed on the upper portion of the valve body 1, a first clamping frame 4 is fixedly connected to the right side of the inner wall of the valve body 1, a group of limiting mechanisms 5 are installed on the inner wall of the first clamping frame 4, the bottom end of the first rotating rod 3 sequentially penetrates through the first sealing bearing 2 and the first clamping frame 4 and extends into the first clamping frame 4, the outer surface of the first rotating rod 3 is fixedly connected with an inner ring of the first sealing bearing 2, a first flow limiting plate 12 is placed inside the valve body 1, the bottom end of the first rotating rod 3 is fixedly connected with the upper portion of the outer surface of the first flow limiting plate 12, a second clamping frame 6 is fixedly connected to the left side of the inner wall of the valve body 1, a groove 7 is formed in the inner wall of the second clamping frame 6, a second sealing bearing 8 is inlaid on the left side of the bottom surface of the valve body 1, a second rotating rod 9 is placed at the bottom of the valve body 1, the second bull stick 9 runs through second sealed bearing 8 and second card frame 6 in proper order and extends to the inside of second card frame 6, and second current limiting plate 10 has been placed to the inside of valve body 1, and the upper end of second bull stick 9 and the lower part fixed connection of second current limiting plate 10 surface, and adjustment mechanism 11 is installed in the left side of valve body 1 upper surface.

Further, stop gear 5 includes circular slot 13, and circular slot 13 is seted up in the inner wall of first card frame 4, and the inner wall fixedly connected with expanding spring 14 of circular slot 13, expanding spring 14 keep away from the spacing ball 15 of one end fixedly connected with of circular slot 13. The outer surface of the first flow restriction plate 12 is limited, so that the outer surface of the first flow restriction plate 12 is stable in structure.

Furthermore, a set of limiting grooves 16 matched with the limiting balls 15 are formed in the outer surface of the first flow limiting plate 12, and the outer surface of the first flow limiting plate 12 is matched with the inner wall of the first clamping frame 4. The clamping effect of the outer surface of the limiting ball 15 and the outer surface of the first flow limiting plate 12 is better.

Further, adjustment mechanism 11 includes piston cylinder 17, and piston cylinder 17 inlays in the upper surface of valve body 1, and piston cylinder 17's inner wall sliding connection has piston 18, and piston cylinder 17's upper surface threaded connection has threaded rod 19, and threaded rod 19 runs through piston cylinder 17 and extends to the inside of piston cylinder 17, and the bottom of threaded rod 19 and the upper surface of piston 18 rotate and be connected, and the inner wall fixedly connected with gasbag 20 of recess 7, and the inside of piston cylinder 17 is linked together through breather pipe 21 and the inside of gasbag 20. The threaded rod 19 is rotated to adjust the expansion state of the air bag 20, so that the leakage-proof effect of the device is better.

Further, the equal fixedly connected with mounting panel 22 of the left and right sides face of valve body 1, a set of mounting hole 23 has all been seted up to the surface of two mounting panels 22. The device may be secured by bolts extending through the mounting holes 23.

Furthermore, a third sealing bearing 24 is arranged at the penetrating position of the second rotating rod 9 and the second clamping frame 6 and the penetrating position of the first rotating rod 3 and the first clamping frame 4. The rotation of the first rotating rod 3 and the second rotating rod 9 is smoother, and the operation of the device is more convenient.

The working principle is as follows: the device can be fixed by penetrating the bolt through the mounting hole 23, the first rotating rod 3 is rotated to enable the first flow limiting plate 12 to be positioned inside the first clamping frame 4, the limiting ball 15 drives the limiting ball 15 to move outwards under the action of the elastic force of the telescopic spring 14, so that the outer surface of the limiting ball 15 is clamped with the inner wall of the limiting groove 16, and the outer surface of the first current limiting plate 12 is stable in structure, the water in the valve body 1 is limited for the first time, the second rotating rod 9 is rotated to enable the second flow limiting plate 10 to be positioned in the second clamping frame 6, the threaded rod 19 is rotated to drive the piston 18 to move downwards, so that the air inside the piston cylinder 17 flows to the inside of the air bag 20 through the vent tube 21, the degree of expansion of the air bag 20 is adjusted, the outer surface of the air bag 20 is contacted with the outer surface of the second flow restriction plate 10 to secondarily restrict the flow of water inside the valve body 1, so that the leakage prevention effect of the device is better.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "fixedly," "mounted," "connected," and "connected" are to be construed broadly, e.g., "mounted" may be fixedly connected, or detachably connected, or integrally connected; "connected" may be mechanically or electrically connected; "connected" may be directly connected or indirectly connected through an intermediate member, or may be internal or external to two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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 prevent leaking butterfly valve, includes valve body (1), its characterized in that: the right side of the upper surface of the valve body (1) is inlaid with a first sealing bearing (2), the upper portion of the valve body (1) is placed with a first rotating rod (3), the right side of the inner wall of the valve body (1) is fixedly connected with a first clamping frame (4), the inner wall of the first clamping frame (4) is provided with a group of limiting mechanisms (5), the bottom end of the first rotating rod (3) sequentially penetrates through the first sealing bearing (2) and the first clamping frame (4) and extends to the inside of the first clamping frame (4), the outer surface of the first rotating rod (3) is fixedly connected with the inner ring of the first sealing bearing (2), the inside of the valve body (1) is placed with a first flow limiting plate (12), the bottom end of the first rotating rod (3) is fixedly connected with the upper portion of the outer surface of the first flow limiting plate (12), the left side of the inner wall of the valve body (1) is fixedly connected with a second clamping frame (6), and the inner wall of the second clamping frame (6) is provided with a groove (7), the left side of valve body (1) bottom surface is inlayed and is had second sealed bearing (8), second bull stick (9) have been placed to valve body (1) bottom, second bull stick (9) run through second sealed bearing (8) and second card frame (6) in proper order and extend to the inside of second card frame (6), second current limiting plate (10) have been placed to the inside of valve body (1), the upper end of second bull stick (9) and the lower part fixed connection of second current limiting plate (10) surface, adjustment mechanism (11) are installed in the left side of valve body (1) upper surface.

2. A leak-resistant butterfly valve as claimed in claim 1, wherein: stop gear (5) are including circular slot (13), the inner wall of first card frame (4) is seted up in circular slot (13), the inner wall fixedly connected with expanding spring (14) of circular slot (13), the spacing ball (15) of one end fixedly connected with of circular slot (13) are kept away from in expanding spring (14).

3. A leak-resistant butterfly valve as claimed in claim 2, wherein: the outer surface of the first current limiting plate (12) is provided with a group of limiting grooves (16) matched with the limiting balls (15), and the outer surface of the first current limiting plate (12) is matched with the inner wall of the first clamping frame (4).

4. A leak-resistant butterfly valve as claimed in claim 1, wherein: adjustment mechanism (11) include piston cylinder (17), piston cylinder (17) are inlayed in the upper surface of valve body (1), the inner wall sliding connection of piston cylinder (17) has piston (18), the upper surface threaded connection of piston cylinder (17) has threaded rod (19), threaded rod (19) run through piston cylinder (17) and extend to the inside of piston cylinder (17), and the bottom of threaded rod (19) is connected with the upper surface rotation of piston (18), the inner wall fixedly connected with gasbag (20) of recess (7), the inside of piston cylinder (17) is linked together through the inside of breather pipe (21) and gasbag (20).

5. A leak-resistant butterfly valve as claimed in claim 1, wherein: the equal fixedly connected with mounting panel (22) of the left and right sides face of valve body (1), two a set of mounting hole (23) have all been seted up to the surface of mounting panel (22).

6. A leak-resistant butterfly valve as claimed in claim 1, wherein: and a third sealing bearing (24) is arranged at the penetrating position of the second rotating rod (9) and the second clamping frame (6) and the penetrating position of the first rotating rod (3) and the first clamping frame (4).