CN219327794U

CN219327794U - Novel metal hard seal worm gear transmission flange type butterfly valve

Info

Publication number: CN219327794U
Application number: CN202320191716.9U
Authority: CN
Inventors: 卓佳成; 易娇娜; 卓乌笔
Original assignee: Shanghai Rogers Valve Co ltd
Current assignee: Shanghai Rogers Valve Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-07-11
Anticipated expiration: 2033-02-13

Abstract

The utility model provides a novel metal hard seal worm gear transmission flange type butterfly valve, which comprises a worm gear transmission flange type butterfly valve main body and a distance measuring mechanism, wherein the inner side surface of the worm gear transmission flange type butterfly valve main body is rotationally connected with a transmission shaft, the outer side surface of the transmission shaft is provided with a sealing mechanism, the top of the worm gear transmission flange type butterfly valve main body is fixedly connected with a worm gear transmission flange type butterfly valve top cover, the outer side surface of the worm gear transmission flange type butterfly valve top cover is provided with the distance measuring mechanism, one side surface of the worm gear transmission flange type butterfly valve top cover is rotationally connected with a rotating shaft, the outer side surface of the rotating shaft is fixedly connected with a fixed block, one side surface of the fixed block is fixedly connected with a mandrel, the outer side surface of the mandrel is rotationally connected with a pawl, the inner side surface of the worm gear transmission flange type butterfly valve top cover is fixedly connected with a ratchet wheel, one end cover of the rotating shaft is provided with a measuring groove, and the outer side surface of the measuring groove is fixedly connected with a hand wheel.

Description

Novel metal hard seal worm gear transmission flange type butterfly valve

Technical Field

The utility model relates to the technical field related to worm gear flange type butterfly valves, in particular to a novel metal hard seal worm gear flange type butterfly valve.

Background

The butterfly valve is simple in structure, small in size and light in weight, only comprises a few parts, can be quickly opened and closed only by rotating ninety degrees, is simple to operate, has good fluid control characteristics, is arranged in the diameter direction of a pipeline, is in a cylindrical channel of a valve body of the butterfly valve, rotates around an axis, is in a full-open state when rotating to ninety degrees, and has the thickness which is the only resistance when a medium flows through the valve body when in a full-open position, so that the pressure drop generated by the valve is small, and has good flow control characteristics; the butterfly plate adopts double eccentric, opening and closing are rapid, the operation is light and labor-saving, the service life is long, the valve rod is of an integral metal hard sealing valve, the sealing ring is of a composite structure of a flexible graphite plate and a stainless steel plate, the valve rod is arranged on the valve body, the sealing surface of the butterfly plate is overlaid with stainless steel, the sealing ring of the soft sealing valve is made of nitrile rubber/fluororubber and the like, the valve seat of the valve body is overlaid with stainless steel, the worm wheel butterfly valve is simple in structure, small in size and light in weight, consists of only a few parts, can be opened and closed rapidly only by rotating ninety degrees, the operation is simple, meanwhile, the valve has good fluid control characteristics, when the flange butterfly valve is in a completely opened position, and in the use process, the butterfly plate of the valve is in the valve, the valve opening and closing state cannot be known in time, and the valve is in an incorrect state due to misoperation, so that a novel metal hard sealing worm wheel flange type butterfly valve is particularly needed.

However, in the existing worm gear flange butterfly valves, most of worm gear flange butterfly valves are in the valve during the use process, the butterfly plate of the valve is positioned in the valve, the opening and closing states of the valve cannot be known in time, and the valve is in an incorrect state due to misoperation.

Disclosure of Invention

The utility model aims to provide a novel metal hard-seal worm-wheel transmission flange type butterfly valve, which aims to solve the problem that in the prior art, the butterfly plate of a valve is positioned in the valve in the working process of the worm-wheel transmission flange type butterfly valve, so that the opening and closing state of the valve cannot be known in time, and the valve is in an incorrect state due to misoperation.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel metal hard seal worm gear flange formula butterfly valve, includes worm gear flange formula butterfly valve main part and range finding mechanism, and wherein range finding mechanism is including pivot, fixed block, mandrel, pawl, ratchet, end cover, measuring tank and hand wheel, the inboard surface rotation of worm gear flange formula butterfly valve main part is connected with the transmission shaft, the outside surface of transmission shaft is provided with sealing mechanism, the top fixedly connected with worm gear flange formula butterfly valve top cap of worm gear flange formula butterfly valve main part, the outside surface of worm gear flange formula butterfly valve top cap is provided with range finding mechanism.

Preferably, the sealing mechanism comprises a butterfly plate, a mounting groove, a metal sealing ring, a bolt, a gasket and a nut, wherein the butterfly plate is fixedly connected with the outer side surface of the transmission shaft, the mounting groove is formed in the outer side surface of the butterfly plate, the metal sealing ring is slidingly connected with the inner side surface of the mounting groove, the bolt is slidingly connected with one side surface of the butterfly plate, the gasket is sleeved on the outer side surface of the bolt, and the nut is in threaded connection with the other end of the bolt.

Preferably, the bolts are distributed at equal intervals, the bolts penetrate through the butterfly plate and the metal sealing ring, and the gaskets are symmetrically arranged on two sides of the butterfly plate.

Preferably, the range finding mechanism comprises a rotating shaft, a fixed block, a mandrel, a pawl, a ratchet wheel, an end cover, a measuring groove and a hand wheel, wherein the rotating shaft is connected with one side surface of the top cover of the worm wheel transmission flange type butterfly valve in a rotating mode, the fixed block is fixedly connected with the outer side surface of the rotating shaft, the mandrel is fixedly connected with one side surface of the fixed block, the pawl is connected with the outer side surface of the mandrel in a rotating mode, the ratchet wheel is fixedly connected with the inner side surface of the top cover of the worm wheel transmission flange type butterfly valve, the end cover is fixedly connected with one end of the rotating shaft, the measuring groove is formed in the surface of the end cover, and the hand wheel is fixedly connected with the outer side surface of the measuring groove.

Preferably, the rotating shaft extends and penetrates through the inside of the top cover of the worm gear flange type butterfly valve, the fixing block is sleeved on the surface of the rotating shaft and is cylindrical, the mandrel is symmetrically arranged, and the pawl is matched with the ratchet wheel for use.

Compared with the prior art, the utility model has the beneficial effects that: this novel metal seal worm wheel transmission flange formula butterfly valve, through the pivot, the fixed block, the mandrel, the pawl, the ratchet, the end cover, measuring tank and hand wheel's setting, in the in-process of using, the hand wheel drives the pivot rotatory, the pivot drives the fixed block rotatory, the pawl passes through the mandrel and installs in the fixed block surface, pawl and ratchet cooperation use, make the fixed block can only rotate to a direction, and make the hand wheel also can only rotate to a direction through the pivot, because the angle of every turn minimum is determined by pawl and ratchet, ratchet interval on the ratchet is the same, the step regulation has been realized, and can obtain the effect of the opening and close state of hand wheel in comparison with initial state pivoted angle through the position that measuring tank was located, and the effect that can step regulation has been reached.

Drawings

FIG. 1 is a schematic side view of the overall structure of the present utility model;

FIG. 2 is a schematic side view of the overall structure of the present utility model;

FIG. 3 is a schematic side view of the butterfly plate and metal seal ring mating structure of the present utility model;

FIG. 4 is an enlarged view of the utility model at A in FIG. 1;

FIG. 5 is an enlarged view of the utility model at B in FIG. 1;

FIG. 6 is an enlarged view of FIG. 2 at C in accordance with the present utility model;

fig. 7 is an enlarged view of fig. 3D in accordance with the present utility model.

In the figure: 1. a worm gear drive flange butterfly valve body; 2. a transmission shaft; 3. a sealing mechanism; 301. a butterfly plate; 302. a mounting groove; 303. a metal seal ring; 304. a bolt; 305. a gasket; 306. a nut; 4. worm wheel transmission flange type butterfly valve top cover; 5. a distance measuring mechanism; 501. a rotating shaft; 502. a fixed block; 503. a mandrel; 504. a pawl; 505. a ratchet wheel; 506. an end cap; 507. a measuring tank; 508. and a hand wheel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, the present utility model provides a technical solution: the utility model provides a novel metal hard seal worm gear flange formula butterfly valve, including worm gear flange formula butterfly valve main part 1 and range finding mechanism 5, wherein range finding mechanism 5 is including pivot 501, fixed block 502, mandrel 503, pawl 504, ratchet 505, end cover 506, measuring groove 507 and hand wheel 508, the inboard surface rotation of worm gear flange formula butterfly valve main part 1 is connected with transmission shaft 2, the outside surface of transmission shaft 2 is provided with sealing mechanism 3, the top fixedly connected with worm gear flange formula butterfly valve top cap 4 of worm gear flange formula butterfly valve main part 1, the outside surface of worm gear flange formula butterfly valve top cap 4 is provided with range finding mechanism 5.

Further, sealing mechanism 3 is including butterfly plate 301, mounting groove 302, metal seal 303, bolt 304, packing ring 305 and nut 306, the outside surface fixedly connected with butterfly plate 301 of transmission shaft 2, mounting groove 302 has been seted up to the outside surface of butterfly plate 301, the inside surface sliding connection of mounting groove 302 has metal seal 303, the one side surface sliding connection of butterfly plate 301 has bolt 304, the outside surface cover of bolt 304 is equipped with packing ring 305, the other end threaded connection of bolt 304 has nut 306, through the setting of butterfly plate 301, mounting groove 302, metal seal 303, bolt 304, packing ring 305 and nut 306, in the in-process of using, metal seal 303 is installed through mounting groove 302 to butterfly plate 301, metal seal 303 is used for guaranteeing the airtight of butterfly plate 301 and worm wheel transmission flange formula butterfly valve main part 1, prevent that the liquid from passing through, and fix metal seal 303 through bolt 304 and nut 306.

Further, the bolts 304 are distributed at equal intervals, the bolts 304 penetrate through the butterfly plate 301 and the metal sealing ring 303, the gaskets 305 are symmetrically arranged on two sides of the butterfly plate 301, and the tight fit of the connection positions of the butterfly plate 301, the bolts 304 and the nuts 306 is ensured through the arrangement of the gaskets 305.

Further, range finding mechanism 5 includes pivot 501, fixed block 502, mandrel 503, pawl 504, ratchet 505, end cover 506, measuring groove 507 and hand wheel 508, one side surface rotation of worm gear flange formula butterfly valve top cap 4 is connected with pivot 501, the outside surface fixedly connected with fixed block 502 of pivot 501, one side surface fixedly connected with mandrel 503 of fixed block 502, the outside surface rotation of mandrel 503 is connected with pawl 504, the inside surface fixedly connected with ratchet 505 of worm gear flange formula butterfly valve top cap 4, the one end fixedly connected with end cover 506 of pivot 501, measuring groove 507 has been seted up on the surface of end cover 506, the outside surface fixedly connected with hand wheel 508 of measuring groove 507, through the setting of pivot 501, fixed block 502, mandrel 503, pawl 504, ratchet 505, end cover 506, measuring groove 507 and hand wheel 508, in the course of using, hand wheel 508 drives pivot 501 and drives fixed block 502 to rotate, pawl 504 is installed in fixed block 502 surface through mandrel 503, pawl 504 and ratchet 505 cooperate the use, make fixed block 502 can only rotate to a direction, and through making hand wheel 508 rotate only to a direction, the ratchet 508 is compared with ratchet 505, the current state that the ratchet has been obtained by the ratchet that the ratchet has rotated the angle of the ratchet has been compared with the ratchet 505 at the initial state of the same time, the state of the moment, and the open and close state has been achieved by the ratchet has been compared with the ratchet 505, the state that the state of the valve is achieved.

Further, the rotating shaft 501 extends to penetrate into the worm gear flange type butterfly valve top cover 4, the fixing block 502 is sleeved on the surface of the rotating shaft 501 and is cylindrical, the mandrel 503 is symmetrically arranged, the pawl 504 is matched with the ratchet 505 for use, the hand wheel 508 can only rotate towards one direction under the action of the pawl 504 and the ratchet 505, and the problem that the valve is closed due to improper operation after the valve is opened is avoided.

Working principle: the inner side surface of the worm gear flange type butterfly valve main body 1 is rotationally connected with a transmission shaft 2, the outer side surface of the transmission shaft 2 is provided with a sealing mechanism 3, the top of the worm gear flange type butterfly valve main body 1 is fixedly connected with a worm gear flange type butterfly valve top cover 4, the outer side surface of the worm gear flange type butterfly valve top cover 4 is provided with a distance measuring mechanism 5, the sealing mechanism 3 comprises a butterfly plate 301, a mounting groove 302, a metal sealing ring 303, a bolt 304, a gasket 305 and a nut 306, the butterfly plate 301 is provided with the metal sealing ring 303 through the mounting groove 302, the metal sealing ring 303 is used for ensuring the sealing of the butterfly plate 301 and the inner wall of the worm gear flange type butterfly valve main body 1, liquid is prevented from passing through, the metal sealing ring 303 is fixed through the bolt 304 and the nut 306, the joint of the butterfly plate 301 and the bolt 304 and the nut 306 is tightly attached through the arrangement of the gasket 305, the connection is airtight, the distance measuring mechanism 5 comprises a rotating shaft 501, a fixed block 502, a mandrel 503, a pawl 504, a ratchet wheel 505, an end cover 506, a measuring groove 507 and a hand wheel 508, wherein the hand wheel 508 drives the rotating shaft 501 to rotate, the rotating shaft 501 drives the fixed block 502 to rotate, the pawl 504 is arranged on the surface of the fixed block 502 through the mandrel 503, the pawl 504 is matched with the ratchet wheel 505 to be used, the fixed block 502 can rotate in one direction only, the hand wheel 508 can also rotate in one direction through the rotating shaft 501, the ratchet interval on the ratchet wheel 505 is the same because the lowest rotation angle is determined by the pawl 504 and the ratchet wheel 505, the step adjustment is realized, the rotation angle of the hand wheel 508 compared with the initial state can be obtained through the position of the measuring groove 507, the opening and closing state of the current valve is obtained, the pawl 504 is matched with the ratchet wheel 505 to be used, the hand wheel 508 can rotate in one direction only through the action of the pawl 504 and the ratchet wheel 505, the problem that the valve is closed by accident due to improper operation after the valve is opened is avoided, and the novel metal hard-seal worm gear transmission flange type butterfly valve is completed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel metal hard seal worm gear flange formula butterfly valve, includes worm gear flange formula butterfly valve main part (1) and range finding mechanism (5), wherein range finding mechanism (5) are including pivot (501), fixed block (502), mandrel (503), pawl (504), ratchet (505), end cover (506), measuring groove (507) and hand wheel (508), its characterized in that: the novel butterfly valve is characterized in that the transmission shaft (2) is rotationally connected to the inner side surface of the worm gear flange type butterfly valve body (1), the sealing mechanism (3) is arranged on the outer side surface of the transmission shaft (2), the worm gear flange type butterfly valve top cover (4) is fixedly connected to the top of the worm gear flange type butterfly valve body (1), and the ranging mechanism (5) is arranged on the outer side surface of the worm gear flange type butterfly valve top cover (4).

2. The novel metal-to-metal sealed worm gear flange butterfly valve of claim 1, wherein: sealing mechanism (3) are including butterfly plate (301), mounting groove (302), metal seal circle (303), bolt (304), packing ring (305) and nut (306), the outside fixed surface of transmission shaft (2) is connected with butterfly plate (301), mounting groove (302) have been seted up on the outside surface of butterfly plate (301), the inboard surface sliding connection of mounting groove (302) has metal seal circle (303), and one side surface sliding connection of butterfly plate (301) has bolt (304), the outside surface cover of bolt (304) is equipped with packing ring (305), the other end threaded connection of bolt (304) has nut (306).

3. The novel metal-to-metal sealed worm gear flange butterfly valve of claim 2, wherein: the bolts (304) are distributed at equal intervals, the bolts (304) penetrate through the butterfly plate (301) and the metal sealing ring (303), and the gaskets (305) are symmetrically arranged on two sides of the butterfly plate (301).

4. The novel metal-to-metal sealed worm gear flange butterfly valve of claim 1, wherein: ranging mechanism (5) are including pivot (501), fixed block (502), mandrel (503), pawl (504), ratchet (505), end cover (506), measuring groove (507) and hand wheel (508), one side surface rotation of worm gear flange formula butterfly valve top cap (4) is connected with pivot (501), the outside fixed surface of pivot (501) is connected with fixed block (502), one side surface fixedly connected with mandrel (503) of fixed block (502), the outside surface rotation of mandrel (503) is connected with pawl (504), the inboard surface fixedly connected with ratchet (505) of worm gear flange formula butterfly valve top cap (4), one end fixedly connected with end cover (506) of pivot (501), measuring groove (507) have been seted up on the surface of end cover (506), the outside surface fixedly connected with hand wheel (508) of measuring groove (507).

5. The novel metal-to-metal sealed worm gear flange butterfly valve of claim 4, wherein: the rotating shaft (501) extends to penetrate through the worm gear flange type butterfly valve top cover (4), the fixing block (502) is sleeved on the surface of the rotating shaft (501) and is cylindrical, the mandrel (503) is symmetrically arranged, and the pawl (504) is matched with the ratchet wheel (505).