CN211875219U

CN211875219U - Silt-proof butterfly valve

Info

Publication number: CN211875219U
Application number: CN201922320122.XU
Authority: CN
Inventors: 朱德才
Original assignee: Tianjin Kaiyuan Third Valve Co ltd
Current assignee: Tianjin Kaiyuan Third Valve Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-11-06
Anticipated expiration: 2029-12-23

Abstract

The utility model relates to a butterfly valve technical field just discloses a prevent silt type butterfly valve, which comprises a valve body, the top fixed mounting of valve body has the valve post. This prevent silt type butterfly valve, through the inside at the valve body and be located the valve plate openly the grafting filter screen can effectually block one side at the filter screen with silt, prevent that silt from getting into the adhesion on the valve plate, also avoided silt to get into in the gap of connection of valve body and valve rod simultaneously, thereby cause the butterfly valve to open and close the difficulty, even cause the valve rod wearing and tearing, lead to reducing butterfly valve life's problem, the filter screen inserts from row husky subassembly bottom, when the tip at the inserted pin at filter screen top inserts the tip groove of roof in the valve body, block the board cover in the picture peg surface and insert the inner wall of valve body, then sheathe loose axle in the bottom of picture peg and rotate the loose axle after that, make the locating lever card of the loose axle left and right sides in the constant head tank of row husky subassembly left and right sides inner wall.

Description

Silt-proof butterfly valve

Technical Field

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

Background

The butterfly valve is one of various valve types, is named because the valve plate of its control switch is similar to butterfly, and is called the flap valve, is a regulating valve with simple structure, and the butterfly valve is the most extensive application range among the existing valves, and the butterfly valve that can be used for the on-off control of low pressure pipeline medium means that the closing member is a disc, and the valve that rotates around the valve shaft to reach opening and closing, and the valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive medium, mainly plays the effect of cutting off and throttling on the pipeline, and the butterfly valve opening and closing member is a disc-shaped butterfly plate, rotates around its own axis in the valve body, thereby reaches the purpose of opening and close or adjusting.

But current butterfly valve has when in-service use and can not separate the fender to silt, uses for a long time, and silt easily forms the dirty dirt of one deck at the inner wall of butterfly valve, clears up inconvenient shortcoming, simultaneously, if contain silt among the liquid, gets into very easily in the joint gap of valve body and valve rod, causes the butterfly valve to open and close the difficulty, still can cause the valve rod wearing and tearing, has reduced the life of butterfly valve, so the utility model provides a prevent silt type butterfly valve.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a prevent silt type butterfly valve possesses and prevents silt, is convenient for clear up advantages such as silt, has solved current butterfly valve silt and has easily formed the dirty dirt of one deck at the inner wall of butterfly valve when in-service use, clears up inconvenient shortcoming, and silt gets into in the joint gap of valve body and valve rod very easily, causes the butterfly valve to open and close the difficulty, and valve rod wearing and tearing reduce the life's of butterfly valve problem.

(II) technical scheme

For realizing the above-mentioned silt of preventing, be convenient for clear up the purpose of silt, the utility model provides a following technical scheme: the utility model provides a prevent silt type butterfly valve, includes the valve body, the top fixed mounting of valve body has the valve column, the inside movable mounting of valve column has the valve rod, the bottom fixed mounting of valve rod has the valve plate, the top fixed mounting of valve rod has the rotation cover, it has the dwang to peg graft in the inside of rotation cover, the bottom fixed mounting of valve body has the husky subassembly of row, the inner wall of valve body and the positive movable mounting that is located the valve plate have the filter screen, the top fixed mounting of filter screen has the inserted pin, the bottom fixed mounting of filter screen has the picture peg, the movable mounting of the surface of picture peg has the blocking board, the bottom movable mounting of picture peg has the loose axle, the left and right sides fixedly connected with locating lever of loose axle, the bottom movable mounting of.

Preferably, the valve body is made of manganese steel, the valve body is cylindrical, the top of the valve body is provided with a pin slot corresponding to the rod hole and the inserted pin corresponding to the valve rod, and the bottom of the valve body is provided with a slot corresponding to the filter screen.

Preferably, the valve plate is made of stainless steel, the valve plate is circular, and a sealing ring made of an anti-corrosion adhesive is fixedly mounted on the side edge of the valve plate.

Preferably, the filter screen is made of stainless steel, and the distance between the filter screen and the valve plate is larger than the radius of the valve plate.

Preferably, the blocking plate is made of stainless steel, the blocking plate is U-shaped, the center of the blocking plate is provided with a jack corresponding to the inserting plate, and the thickness of the blocking plate is equal to that of the filter screen.

Preferably, the sand discharge assembly and the valve body are integrated, the sand discharge assembly is made of manganese steel, positioning grooves corresponding to the positioning rods are formed in the inner walls of the left side and the right side of the sand discharge assembly, and threads meshed with the sealing cover are formed in the bottom of the outer side edge of the sand discharge assembly.

(III) advantageous effects

Compared with the prior art, the utility model provides a prevent silt type butterfly valve possesses following beneficial effect:

the silt-proof butterfly valve has the advantages that the filter screen is inserted into the valve body and positioned on the front face of the valve plate, silt can be effectively blocked at one side of the filter screen, the silt is prevented from entering and adhering to the valve plate, meanwhile, the problem that the service life of the butterfly valve is reduced due to the fact that the silt enters a connecting gap between the valve body and the valve rod and is difficult to open and close the butterfly valve, and even the valve rod is abraded is solved, the filter screen is inserted from the bottom of the silt discharging assembly, when an inserting pin at the top of the filter screen is inserted into a pin slot of the top wall in the valve body, the blocking plate is sleeved on the surface of the inserting plate and inserted into the inner wall of the valve body, then the movable shaft is sleeved at the bottom of the inserting plate, the movable shaft is rotated, positioning rods at the left side and the right side of the movable shaft are clamped in positioning slots of the inner walls, therefore, the utility model provides a prevent silt type butterfly valve.

Drawings

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

FIG. 2 is a schematic side sectional view of the present invention;

fig. 3 is a schematic view of the blocking plate structure of the present invention.

In the figure: 1 valve body, 2 valve posts, 3 valve rods, 4 valve plates, 5 rotating sleeves, 6 rotating rods, 7 sand discharging assemblies, 8 filter screens, 9 inserting tips, 10 inserting plates, 11 blocking plates, 12 movable shafts, 13 positioning rods and 14 sealing covers.

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. 1-3, a silt-proof butterfly valve comprises a valve body 1, a valve post 2 is fixedly installed at the top of the valve body 1, a valve rod 3 is movably installed inside the valve post 2, a valve plate 4 is fixedly installed at the bottom of the valve rod 3, the valve plate 4 is made of stainless steel, the valve plate 4 is circular, a sealing ring made of anti-corrosion glue is fixedly installed at the side edge of the valve plate 4, a rotating sleeve 5 is fixedly installed at the top of the valve rod 3, a rotating rod 6 is inserted inside the rotating sleeve 5, a sand discharging assembly 7 is fixedly installed at the bottom of the valve body 1, a filter screen 8 is movably installed on the inner wall of the valve body 1 and positioned on the front surface of the valve plate 4, the filter screen 8 is made of stainless steel, the distance between the filter screen 8 and the valve plate 4 is larger than the radius of the valve plate 4, a plug pin 9 is fixedly installed at the top of the filter screen 8, the valve body 1 is made of manganese steel, the valve body 1 is cylindrical, the bottom of valve body 1 has been seted up and has been corresponded the slot with filter screen 8, the bottom fixed mounting of filter screen 8 has picture peg 10, the surface movable mounting of picture peg 10 has blocking board 11, blocking board 11 is the stainless steel, blocking board 11's shape is' U 'shape, blocking board 11's center has been seted up and has been corresponded the jack with picture peg 10, blocking board 11's thickness equals with filter screen 8's thickness, picture peg 10's bottom movable mounting has loose axle 12, the left and right sides fixedly connected with locating lever 13 of loose axle 12, the bottom movable mounting of sediment outflow subassembly 7 has closing cap 14, sediment outflow subassembly 7 is a whole with valve body 1, sediment outflow subassembly 7's material is the manganese steel, the constant head tank that corresponds with locating lever 13 is seted up to the inner wall of sediment outflow subassembly 7 left and right sides, the bottom of sediment outflow subassembly 7 outside limit is seted up the screw thread that mutually meshes with closing.

In conclusion, the silt-proof butterfly valve can effectively block silt at one side of the filter screen 8 by inserting the filter screen 8 into the valve body 1 and on the front side of the valve plate 4, so as to prevent silt from entering and adhering to the valve plate 4, and simultaneously avoid the problem that the butterfly valve is difficult to open and close and even the valve rod 3 is abraded due to the silt entering into the connecting gap between the valve body 1 and the valve rod 3, thereby reducing the service life of the butterfly valve, the filter screen 8 is inserted from the bottom of the silt discharging component 7, when the insert pin 9 at the top of the filter screen 8 is inserted into the pin slot of the inner top wall of the valve body 1, the blocking plate 11 is sleeved on the surface of the insert plate 10 and inserted into the inner wall of the valve body 1, then the movable shaft 12 is sleeved on the bottom of the insert plate 10, the movable shaft 12 is rotated, so that the positioning rods 13 at the left side and the right side of the movable shaft 12 are, the degree of difficulty of clearance silt is compared traditional butterfly valve clearance silt and is littleer, so the utility model provides a prevent silt type butterfly valve.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element. 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. The utility model provides a prevent silt type butterfly valve, includes valve body (1), its characterized in that: the top fixed mounting of valve body (1) has valve post (2), the inside movable mounting of valve post (2) has valve rod (3), the bottom fixed mounting of valve rod (3) has valve plate (4), the top fixed mounting of valve rod (3) has rotation cover (5), the inside of rotating cover (5) is pegged graft and is had dwang (6), the bottom fixed mounting of valve body (1) has sand discharging assembly (7), the front movable mounting that the inner wall of valve body (1) just is located valve plate (4) has filter screen (8), the top fixed mounting of filter screen (8) has inserted tip (9), the bottom fixed mounting of filter screen (8) has picture peg (10), the surface movable mounting of picture peg (10) has blocking plate (11), the bottom movable mounting of picture peg (10) has loose axle (12), the left and right sides fixed connection of loose axle (12) has locating lever (13), the bottom of the sand discharge assembly (7) is movably provided with a sealing cover (14).

2. The mud resistant butterfly valve of claim 1, wherein: the valve body (1) is made of manganese steel, the valve body (1) is cylindrical, pin grooves corresponding to a rod hole and an inserting pin (9) corresponding to the valve rod (3) are formed in the top of the valve body (1), and inserting grooves corresponding to the filter screen (8) are formed in the bottom of the valve body (1).

3. The mud resistant butterfly valve of claim 1, wherein: the valve plate (4) is made of stainless steel, the valve plate (4) is circular, and the side edge of the valve plate (4) is fixedly provided with a sealing ring made of an anti-corrosion adhesive material.

4. The mud resistant butterfly valve of claim 1, wherein: the filter screen (8) is made of stainless steel, and the distance between the filter screen (8) and the valve plate (4) is larger than the radius of the valve plate (4).

5. The mud resistant butterfly valve of claim 1, wherein: the material of blocking board (11) is stainless steel, blocks the shape of board (11) and is 'U' shape, blocks the center of board (11) and offers the jack that corresponds with picture peg (10), blocks the thickness of board (11) and is equal with the thickness of filter screen (8).

6. The mud resistant butterfly valve of claim 1, wherein: arrange husky subassembly (7) and valve body (1) and be a whole, arrange the material of husky subassembly (7) and be the manganese steel, arrange the constant head tank that husky subassembly (7) left and right sides was seted up and is corresponded with locating lever (13), arrange the bottom on husky subassembly (7) outside limit and seted up the screw thread with closing cap (14) intermeshing.