CN210218721U

CN210218721U - Butterfly valve convenient to seal and maintain

Info

Publication number: CN210218721U
Application number: CN201920630436.7U
Authority: CN
Inventors: Weihui Xiang; 项伟慧
Original assignee: Zhejiang Langer Valve Technology Co Ltd
Current assignee: Zhejiang Langer Valve Technology Co Ltd
Priority date: 2019-05-06
Filing date: 2019-05-06
Publication date: 2020-03-31
Anticipated expiration: 2029-05-06

Abstract

The utility model discloses a butterfly valve convenient to sealed maintenance, which comprises a valve body, the inside fixedly connected with disk seat of valve body, the bottom swing joint of valve body inner chamber has the valve rod, the left side swing joint of valve rod has the fixed block, the inside threaded connection of fixed block has first bolt, the right-hand member of first bolt runs through fixed block and valve rod in proper order and extends to the outside of valve rod, the left side fixedly connected with valve plate of fixed block, the surface of valve plate and the inner wall swing joint of disk seat, the sealing washer standing groove has been seted up to the inside of valve body, the inside swing joint of sealing washer standing groove has the sealing washer. The utility model discloses a cooperation that sets up valve rod, fixed block, valve plate, sealing washer standing groove, sealing washer, connecting block, kelly and second bolt is used, makes the butterfly valve convenient to use, and the sealing washer is convenient for change to the butterfly valve, can satisfy people's demand, is favorable to people's use.

Description

Butterfly valve convenient to seal and maintain

Technical Field

The utility model relates to the technical field of valves, specifically butterfly valve for convenient sealed maintenance.

Background

The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, the pipeline mainly plays a role in cutting off and throttling, and the butterfly valve is also called as a flap valve and is a regulating valve with simple structure, the butterfly valve used for the on-off control of low-pressure pipeline media is a valve which is opened and closed by a closing member (a valve clack or a butterfly plate) which is a disc and rotates around a valve shaft, a valve rod of the butterfly valve penetrates out of the wall of a valve body, a sealing ring is arranged between the valve rod and the wall of the valve body, in order to prevent that the interior fluid medium of butterfly valve from outwards leaking along the valve rod, can rub with the sealing washer when the valve rod rotates, make the sealing washer wearing and tearing, for keeping sealing performance, need change the sealing washer, it is inconvenient that the sealing washer is changed to present common butterfly valve, can not satisfy people's demand, is unfavorable for people's use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a butterfly valve convenient to sealed maintenance possesses the advantage of butterfly valve convenient to use, has solved the inconvenient problem of butterfly valve use.

In order to achieve the above object, the utility model provides a following technical scheme: the butterfly valve convenient for sealing maintenance comprises a valve body, wherein a valve seat is fixedly connected inside the valve body, a valve rod is movably connected at the bottom of an inner cavity of the valve body, a fixed block is movably connected at the left side of the valve rod, a first bolt is connected with the inner thread of the fixed block, the right end of the first bolt sequentially penetrates through the fixed block and the valve rod and extends to the outside of the valve rod, a valve plate is fixedly connected at the left side of the fixed block, the surface of the valve plate is movably connected with the inner wall of the valve seat, a sealing ring placing groove is formed inside the valve body, a sealing ring is movably connected inside the sealing ring placing groove, the inner wall of the sealing ring is movably connected with the surface of the valve rod, a connecting block is fixedly connected at the right side of the sealing ring, clamping rods are movably connected at the top and the bottom of, the inside threaded connection of valve body has the second bolt, the right-hand member of second bolt runs through valve body and kelly in proper order and extends to the outside of kelly, the outside swing joint that the top of valve rod runs through the valve body and extends to the valve body has the handle.

Preferably, the top fixedly connected with fixed plate of valve body, the inside swing joint of fixed plate has the connecting plate, the surface of connecting plate and the inner wall swing joint of fixed plate, the inside threaded connection of fixed plate has the third bolt, the top of third bolt runs through fixed plate and connecting plate in proper order and extends to the outside of connecting plate.

Preferably, the valve rod is connected with a fourth bolt through internal threads, and the top end of the fourth bolt penetrates through the valve rod and the handle in sequence and extends to the outside of the handle.

Preferably, the surface of the handle is fixedly connected with an anti-slip sleeve, and the surface of the anti-slip sleeve is provided with anti-slip lines.

Preferably, the surface of the connecting block is provided with a through hole, and the through hole is movably connected with the surface of the clamping rod.

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

1. the utility model discloses a cooperation that sets up valve rod, fixed block, valve plate, sealing washer standing groove, sealing washer, connecting block, kelly and second bolt is used, makes the butterfly valve convenient to use, and the sealing washer is convenient for change to the butterfly valve, can satisfy people's demand, is favorable to people's use.

2. The utility model discloses a set up fixed plate, connecting plate and third bolt, be convenient for fix the position of valve rod, through setting up the fourth bolt, the dismouting handle of being convenient for, through setting up the through-hole, make the kelly be convenient for fix the position of connecting block and sealing washer.

Drawings

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

FIG. 2 is a right side view of the structure of the present invention;

fig. 3 is a schematic view of the structure of the sealing ring of the present invention.

In the figure: 1 valve body, 2 disk seats, 3 valve rods, 4 fixed blocks, 5 valve plates, 6 first bolts, 7 sealing ring placing grooves, 8 sealing rings, 9 connecting blocks, 10 clamping rods, 11 second bolts, 12 handles, 13 fixed plates, 14 connecting plates, 15 third bolts, 16 fourth bolts, 17 anti-skidding sleeves and 18 through holes.

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, the butterfly valve convenient for sealing and maintenance includes a valve body 1, a fixing plate 13 is fixedly connected to the top of the valve body 1, a connecting plate 14 is movably connected to the inside of the fixing plate 13, the surface of the connecting plate 14 is movably connected to the inner wall of the fixing plate 13, a third bolt 15 is connected to the inner thread of the fixing plate 13, the top end of the third bolt 15 sequentially penetrates through the fixing plate 13 and the connecting plate 14 and extends to the outside of the connecting plate 14, the fixing plate 13, the connecting plate 14 and the third bolt 15 are arranged to facilitate the fixing of the position of the valve rod 3, a valve seat 2 is fixedly connected to the inside of the valve body 1, a valve rod 3 is movably connected to the bottom of the inner cavity of the valve body 1, a fourth bolt 16 is connected to the inner thread of the valve rod 3, the top end of the fourth bolt 16 sequentially penetrates through the valve rod 3, the left side of the valve rod 3 is movably connected with a fixed block 4, the inside of the fixed block 4 is in threaded connection with a first bolt 6, the right end of the first bolt 6 sequentially penetrates through the fixed block 4 and the valve rod 3 and extends to the outside of the valve rod 3, the left side of the fixed block 4 is fixedly connected with a valve plate 5, the surface of the valve plate 5 is movably connected with the inner wall of the valve seat 2, the inside of the valve body 1 is provided with a sealing ring placing groove 7, the inside of the sealing ring placing groove 7 is movably connected with a sealing ring 8, the inner wall of the sealing ring 8 is movably connected with the surface of the valve rod 3, the right side of the sealing ring 8 is fixedly connected with a connecting block 9, the surface of the connecting block 9 is provided with a through hole 18, the through hole 18 is movably connected with the surface of a clamping rod 10, the clamping rod 10 is convenient to fix the positions of the connecting block 9 and the sealing ring 8 through the through hole 18, the inside threaded connection of valve body 1 has second bolt 11, the right-hand member of second bolt 11 runs through valve body 1 and kelly 10 in proper order and extends to the outside of kelly 10, the top of valve rod 3 runs through valve body 1 and extends to the outside swing joint of valve body 1 has handle 12, the fixed surface of handle 12 is connected with antiskid cover 17, the surface of antiskid cover 17 is provided with anti-skidding line, through setting up valve rod 3, fixed block 4, valve plate 5, sealing washer standing groove 7, sealing washer 8, connecting block 9, kelly 10 and second bolt 11's cooperation is used, make the butterfly valve convenient to use, butterfly valve is convenient for change sealing washer 8, can satisfy people's demand, be favorable to people's use.

During the use, fix fixed block 4 on valve rod 3 through first bolt 6, make valve plate 5 be convenient for the dismouting, thereby be convenient for maintain valve plate 5, unscrew second bolt 11, take off kelly 10 from valve body 1, pull out sealing washer 8 from sealing washer standing groove 7, change new sealing washer 8, unscrew third bolt 15, take out valve rod 3 from valve body 1, maintain valve rod 3, make the butterfly valve convenient to use, butterfly valve is convenient for change sealing washer 8, can satisfy people's demand, be favorable to people's use.

In summary, the following steps: this butterfly valve convenient to sealed maintenance through valve rod 3, fixed block 4, valve plate 5, sealing washer standing groove 7, sealing washer 8, connecting block 9, kelly 10 and second bolt 11, has solved the inconvenient problem of butterfly valve 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. Butterfly valve convenient to sealed maintenance, including valve body (1), its characterized in that: the valve comprises a valve body (1), a valve seat (2) is fixedly connected to the inside of the valve body (1), a valve rod (3) is movably connected to the bottom of an inner cavity of the valve body (1), a fixed block (4) is movably connected to the left side of the valve rod (3), a first bolt (6) is connected to the inner thread of the fixed block (4), the right end of the first bolt (6) sequentially penetrates through the fixed block (4) and the valve rod (3) and extends to the outside of the valve rod (3), a valve plate (5) is fixedly connected to the left side of the fixed block (4), the surface of the valve plate (5) is movably connected with the inner wall of the valve seat (2), a sealing ring placing groove (7) is formed in the valve body (1), a sealing ring (8) is movably connected to the inside of the sealing ring placing groove (7), the inner wall of the sealing ring (8) is movably connected with the surface, the top and the equal swing joint in bottom of valve body (1) inner chamber have kelly (10), the other end of kelly (10) runs through connection piece (9) and valve body (1) in proper order and extends to the outside of valve body (1), the inside threaded connection of valve body (1) has second bolt (11), the right-hand member of second bolt (11) runs through valve body (1) and kelly (10) in proper order and extends to the outside of kelly (10), the outside swing joint that the top of valve rod (3) runs through valve body (1) and extends to valve body (1) has handle (12).

2. The butterfly valve facilitating seal maintenance of claim 1, wherein: the top fixedly connected with fixed plate (13) of valve body (1), the inside swing joint of fixed plate (13) has connecting plate (14), the surface of connecting plate (14) and the inner wall swing joint of fixed plate (13), the inside threaded connection of fixed plate (13) has third bolt (15), the top of third bolt (15) runs through fixed plate (13) and connecting plate (14) in proper order and extends to the outside of connecting plate (14).

3. The butterfly valve facilitating seal maintenance of claim 1, wherein: the internal thread of the valve rod (3) is connected with a fourth bolt (16), and the top end of the fourth bolt (16) penetrates through the valve rod (3) and the handle (12) in sequence and extends to the outside of the handle (12).

4. The butterfly valve facilitating seal maintenance of claim 1, wherein: the surface of the handle (12) is fixedly connected with an anti-slip sleeve (17), and anti-slip lines are arranged on the surface of the anti-slip sleeve (17).

5. The butterfly valve facilitating seal maintenance of claim 1, wherein: the surface of the connecting block (9) is provided with a through hole (18), and the through hole (18) is movably connected with the surface of the clamping rod (10).