CN220302771U

CN220302771U - Bidirectional hard sealing butterfly valve

Info

Publication number: CN220302771U
Application number: CN202321882311.6U
Authority: CN
Inventors: 程耕耘; 张俊; 朱磊; 晏灿明
Original assignee: Zhejiang Langge Valve Technology Co ltd
Current assignee: Zhejiang Langge Valve Technology Co ltd
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2024-01-05
Anticipated expiration: 2033-07-18

Abstract

The utility model discloses a bidirectional hard sealing butterfly valve, and particularly relates to the technical field of butterfly valves. This two-way hard seal butterfly valve, through sealing valve mechanism subassembly and the limiting plate that sets up, accomplish the seal to sealing valve mechanism subassembly and valve body department to prevented that sealing valve mechanism subassembly from passing through the impact of rivers, the condition that causes sealing valve mechanism subassembly angle to incline takes place, and then ensured sealing valve mechanism subassembly to carry out the leakproofness of choked flow, the stamping force dispersion of rivers to sealing valve mechanism subassembly is accomplished to the mode that adopts the reposition of redundant personnel simultaneously, has reduced the impact force that sealing valve mechanism subassembly received.

Description

Bidirectional hard sealing butterfly valve

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a bidirectional hard sealing butterfly valve.

Background

The butterfly valve is also called as a flap valve, and is a regulating valve with simple structure, and the butterfly valve capable of being used for the on-off control of low-pressure pipeline medium is a valve in which a closing member (a valve clack or a butterfly plate) is a disc and rotates around a valve shaft to achieve 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 mediums, slurry, oil products, liquid metal, radioactive mediums and the like. The pipe is mainly used for cutting and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly valve opening and closing piece in the valve body, so that the purpose of opening and closing or adjusting is achieved.

The existing bidirectional hard sealing butterfly valve generally adopts a flow blocking mode to seal water flow, so that the valve is loosened after long-time use, a certain deviation exists between the tightness of the valve and the tightness of the butterfly valve, the subsequent tightness of the bidirectional hard sealing butterfly valve to water flow is reduced, the use effect of the bidirectional hard sealing butterfly valve is affected, and the sealing effect of the bidirectional hard sealing butterfly valve cannot be met.

Disclosure of Invention

The utility model aims to provide a bidirectional hard sealing butterfly valve, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a two-way hard seal butterfly valve, includes the valve body, the both sides fixedly connected with ring flange of valve body, and the inner wall fixedly connected with link of valve body, the other end fixedly connected with protective housing of link, and the inner wall of protective housing is provided with adjustment mechanism subassembly, the outer wall fixedly connected with sealing valve mechanism subassembly of adjustment mechanism subassembly, the inner wall fixedly connected with limiting plate of valve body, and the adjustment tank has been seted up to the outer wall of limiting plate, the inner wall of adjustment tank is provided with the expansion ring.

Preferably, the adjusting mechanism assembly comprises an adjusting valve, the outer wall bearing of the adjusting valve is connected with a protective shell, the inner wall of the adjusting valve is fixedly connected with a fixing frame, and the inner wall of the fixing frame is fixedly connected with a fixing rod.

Preferably, the outer wall bearing of dead lever is connected with the protective housing, and the outer wall fixedly connected with conical gear No. one of dead lever, conical gear No. one's outer wall meshing is connected with two conical gears.

Preferably, the inner wall fixedly connected with transfer line of two conical gear, and the transfer line constitutes revolution mechanic through two conical gear, the inner wall fixedly connected with regulation pole of transfer line.

Preferably, the sealing valve mechanism assembly comprises a fixed ring, the inner wall of the fixed ring is fixedly connected with an adjusting rod, the fixed ring forms a rotating structure through the adjusting rod, and the outer wall bearing of the fixed ring is connected with the valve body.

Preferably, the outer wall fixedly connected with valve of solid fixed ring, and the both sides of valve are provided with the flow distribution plate, the contained angle between flow distribution plate and the solid fixed ring horizontal plane is 20 degrees.

Preferably, the buffer grooves are formed in one side of the flow distribution plate, the number of the buffer grooves is six, every three buffer grooves are a group, and the two groups of buffer grooves are symmetrically arranged by taking the perpendicular bisectors of the flow distribution plate as symmetry axes.

Compared with the prior art, the utility model has the beneficial effects that: the two-way hard seal butterfly valve;

1. through the sealing valve mechanism assembly and the limiting plate, the inclined design is adopted to match with the extrusion expansion mode, so that bidirectional sealing of the butterfly valve is guaranteed, the sealing valve mechanism assembly is regulated through the regulating mechanism assembly, at the moment, the sealing valve mechanism assembly is in contact with the expansion ring, so that the expansion ring is stressed to expand, sealing of the sealing valve mechanism assembly and the valve body is completed, the situation that the sealing valve mechanism assembly is inclined in angle due to impact of water flow is prevented, sealing performance of flow blocking of the sealing valve mechanism assembly is guaranteed, meanwhile, stamping force dispersion of water flow on the sealing valve mechanism assembly is completed in a split-flow mode, and impact force born by the sealing valve mechanism assembly is reduced;

2. through the adjustment mechanism subassembly that sets up, adopt gear train transmission, the spacing mode of cooperation limiting plate, accomplish the regulation to the butterfly valve to make things convenient for the staff to carry out the fast adjustment to the butterfly valve, practiced thrift the time that the staff adjusted the butterfly valve, improved the efficiency that the staff adjusted the butterfly valve, prevented simultaneously that butterfly valve angle regulation deviation is too big, influence the butterfly valve to the circulation effect of rivers, and then ensured the stability that the butterfly valve controlled, increased overall device's practicality.

Drawings

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

FIG. 2 is a schematic illustration of the connection of the adjustment mechanism assembly to the sealing valve mechanism assembly of the present utility model;

FIG. 3 is a schematic view of the internal structure of the sealing valve mechanism assembly of the present utility model;

fig. 4 is a schematic diagram of a connection structure between a flange and a limiting plate according to the present utility model.

In the figure: 1. a valve body; 2. a flange plate; 3. a connecting frame; 4. a protective shell; 5. an adjustment mechanism assembly; 501. a regulating valve; 502. a fixing frame; 503. a fixed rod; 504. a first bevel gear; 505. a secondary bevel gear; 506. a transmission rod; 507. an adjusting rod; 6. a sealing valve mechanism assembly; 601. a fixing ring; 602. a valve; 603. a diverter plate; 604. a buffer tank; 7. a limiting plate; 8. an adjustment tank; 9. an expansion loop.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Example one:

referring to fig. 1-2, the present utility model provides a technical solution: the two-way hard sealing butterfly valve comprises a valve body 1, flange plates 2 are fixedly connected to two sides of the valve body 1, a connecting frame 3 is fixedly connected to the inner wall of the valve body 1, a protective shell 4 is fixedly connected to the other end of the connecting frame 3, an adjusting mechanism assembly 5 is arranged on the inner wall of the protective shell 4, a sealing valve mechanism assembly 6 is fixedly connected to the outer wall of the adjusting mechanism assembly 5, a limiting plate 7 is fixedly connected to the inner wall of the valve body 1, an adjusting groove 8 is formed in the outer wall of the limiting plate 7, and an expansion ring 9 is arranged on the inner wall of the adjusting groove 8;

the adjusting mechanism assembly 5 comprises an adjusting valve 501, a protective shell 4 is connected to an outer wall bearing of the adjusting valve 501, a fixing frame 502 is fixedly connected to the inner wall of the adjusting valve 501, a fixing rod 503 is fixedly connected to the inner wall of the fixing frame 502, when a worker needs to use a butterfly valve, the adjusting valve 501 is rotated, and at the moment, the adjusting valve 501 drives the fixing frame 502 with the fixed inner wall to rotate, and the fixing rod 503 is rotated due to the fact that the fixing rod 503 is fixedly connected to the inner wall of the fixing frame 502;

the outer wall bearing of the fixed rod 503 is connected with the protective shell 4, the outer wall of the fixed rod 503 is fixedly connected with a first conical gear 504, the outer wall of the first conical gear 504 is connected with a second conical gear 505 in a meshed manner, at the moment, the fixed rod 503 drives the first conical gear 504 with the outer wall fixed to rotate, and the second conical gear 505 is connected with the outer wall of the first conical gear 504 in a meshed manner, so that the second conical gear 505 rotates through the first conical gear 504;

the inner wall fixedly connected with transfer line 506 of two conical gear 505, and transfer line 506 constitutes revolution mechanic through two conical gear 505, and the inner wall fixedly connected with of transfer line 506 adjusts pole 507, and two conical gear 505 drive the inner wall fixed transfer line 506 and rotate this moment to make transfer line 506 drive adjust pole 507 and rotate, and then drive the sealed valve mechanism subassembly 6 that the outer wall is fixed through adjusting pole 507 and adjust.

The implementation mode specifically comprises the following steps: through the adjustment mechanism subassembly 5 that sets up, adopt gear train transmission, the spacing mode of cooperation limiting plate 7, accomplish the regulation to the butterfly valve to make things convenient for the staff to carry out the fast adjustment to the butterfly valve, practiced thrift the time that the staff adjusted the butterfly valve, improved the efficiency that the staff adjusted the butterfly valve, prevented simultaneously that butterfly valve angle regulation deviation is too big, influenced the butterfly valve to the circulation effect of rivers, and then ensured the stability that the butterfly valve controlled, increased overall device's practicality.

Example two:

referring to fig. 1-4, the present utility model provides a technical solution: the sealing valve mechanism assembly 6 comprises a fixed ring 601, an adjusting rod 507 is fixedly connected to the inner wall of the fixed ring 601, the fixed ring 601 forms a rotating structure through the adjusting rod 507, a valve body 1 is connected to an outer wall bearing of the fixed ring 601, and when a worker needs to close the butterfly valve, the adjusting mechanism assembly 5 is started to enable the adjusting mechanism assembly 5 to drive the fixed ring 601 to rotate;

the outer wall of the fixed ring 601 is fixedly connected with a valve 602, two sides of the valve 602 are provided with a splitter plate 603, an included angle between the splitter plate 603 and the horizontal plane of the fixed ring 601 is 20 degrees, at the moment, the fixed ring 601 drives the valve 602 with the fixed outer wall to rotate, so that the splitter plate 603 with the fixed outer wall of the valve 602 is in contact with the expansion ring 9, and the expansion ring 9 is extruded by the splitter plate 603;

buffer grooves 604 have been seted up to one side of flow distribution plate 603, and buffer grooves 604's quantity has six, every three buffer grooves 604 is a set of, and two sets of buffer grooves 604 use the perpendicular bisector of flow distribution plate 603 to set up as symmetry axis symmetry, expansion ring 9 atress inflation is expanded along the adjustment tank 8 that limiting plate 7 inner wall was seted up this moment, thereby guarantee the leakproofness that flow distribution plate 603 is connected with valve body 1 through expansion ring 9, simultaneously through the buffer grooves 604 that flow distribution plate 603 openly seted up, reduce the impact force of rivers to flow distribution plate 603, in order to prevent that flow distribution plate 603 from taking place the slope, the condition that causes flow distribution plate 603 to leak takes place.

The implementation mode specifically comprises the following steps: through sealing valve mechanism subassembly 6 and limiting plate 7 that set up, adopt slope design cooperation extrusion inflation's mode, with the bidirectional seal of guarantee butterfly valve, through the regulation of adjustment mechanism subassembly 5 to sealing valve mechanism subassembly 6, sealing valve mechanism subassembly 6 and expansion ring 9 contact this moment, so that expansion ring 9 atress expands, accomplish the seal of sealing valve mechanism subassembly 6 and valve body 1 department, thereby sealing valve mechanism subassembly 6 through the impact of rivers, the condition that causes sealing valve mechanism subassembly 6 angle slope takes place, and then sealing valve mechanism subassembly 6 carries out the leakproofness of choked flow, the impact force dispersion of rivers to sealing valve mechanism subassembly 6 is accomplished to the mode of reposition of redundant personnel simultaneously, the impact force that sealing valve mechanism subassembly 6 received has been reduced.

Working principle: when the two-way hard sealing butterfly valve is used, the flange plates 2 fixed at the two ends of the valve body 1 are respectively connected with a pipeline, when a worker needs to use the butterfly valve, the regulating valve 501 drives the fixed frame 502 with the fixed inner wall to rotate, the fixed rod 503 is fixedly connected with the inner wall of the fixed frame 502 to enable the fixed rod 503 to rotate, the fixed rod 503 drives the first conical gear 504 with the fixed outer wall to rotate, and the second conical gear 505 is connected with the outer wall of the first conical gear 504 in a meshed manner to enable the second conical gear 505 to rotate through the first conical gear 504;

at this time, the two-number bevel gear 505 drives the transmission rod 506 with the fixed inner wall to rotate, so that the transmission rod 506 drives the adjusting rod 507 to rotate, and then the sealing valve mechanism assembly 6 with the fixed outer wall is driven by the adjusting rod 507 to adjust, at this time, the sealing valve mechanism assembly 6 is disconnected with the limiting plate 7, and then the sealing valve mechanism assembly 6 is rotated to 90 degrees, so that the stability of butterfly valve circulation is ensured, and when a worker needs to close the butterfly valve, the adjusting mechanism assembly 5 is started, so that the adjusting mechanism assembly 5 drives the fixing ring 601 to rotate;

at this time, the fixed ring 601 drives the valve 602 with the fixed outer wall to rotate, so that the splitter plate 603 with the fixed outer wall of the valve 602 contacts with the expansion ring 9, the expansion ring 9 is extruded by the splitter plate 603, at this time, the expansion ring 9 is forced to expand along the adjusting groove 8 formed in the inner wall of the limiting plate 7, so that the tightness of the connection between the splitter plate 603 and the valve body 1 is guaranteed through the expansion ring 9, and meanwhile, the impact force of water flow on the splitter plate 603 is reduced through the buffer groove 604 formed in the front of the splitter plate 603, so that the splitter plate 603 is prevented from inclining, and the leakage of the splitter plate 603 is caused.

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 two-way hard seal butterfly valve, includes valve body (1), its characterized in that: the two sides of the valve body (1) are fixedly connected with flange plates (2), the inner wall of the valve body (1) is fixedly connected with a connecting frame (3), the other end of the connecting frame (3) is fixedly connected with a protective shell (4), the inner wall of the protective shell (4) is provided with an adjusting mechanism assembly (5), and the outer wall of the adjusting mechanism assembly (5) is fixedly connected with a sealing valve mechanism assembly (6);

the inner wall fixedly connected with limiting plate (7) of valve body (1), and adjusting groove (8) have been seted up to the outer wall of limiting plate (7), the inner wall of adjusting groove (8) is provided with expansion ring (9).

2. The bidirectional hard sealing butterfly valve according to claim 1, wherein the adjusting mechanism assembly (5) comprises an adjusting valve (501), a protective shell (4) is connected to an outer wall bearing of the adjusting valve (501), a fixing frame (502) is fixedly connected to an inner wall of the adjusting valve (501), and a fixing rod (503) is fixedly connected to an inner wall of the fixing frame (502).

3. The bidirectional hard sealing butterfly valve according to claim 2, wherein the outer wall bearing of the fixed rod (503) is connected with a protective housing (4), and the outer wall of the fixed rod (503) is fixedly connected with a first conical gear (504), and the outer wall of the first conical gear (504) is in meshed connection with a second conical gear (505).

4. A bi-directional hard seal butterfly valve according to claim 3, wherein the inner wall of the secondary bevel gear (505) is fixedly connected with a transmission rod (506), and the transmission rod (506) forms a rotating structure through the secondary bevel gear (505), and the inner wall of the transmission rod (506) is fixedly connected with an adjusting rod (507).

5. The bidirectional hard sealing butterfly valve according to claim 1, wherein the sealing valve mechanism assembly (6) comprises a fixed ring (601), an adjusting rod (507) is fixedly connected to the inner wall of the fixed ring (601), the fixed ring (601) forms a rotating structure through the adjusting rod (507), and a valve body (1) is connected to an outer wall bearing of the fixed ring (601).

6. The bidirectional hard sealing butterfly valve according to claim 5, wherein the outer wall of the fixed ring (601) is fixedly connected with a valve (602), two sides of the valve (602) are provided with a splitter plate (603), and an included angle between the splitter plate (603) and the horizontal plane of the fixed ring (601) is 20 degrees.

7. The bi-directional hard seal butterfly valve of claim 6, wherein a buffer slot (604) is formed on one side of the splitter plate (603), six buffer slots (604) are provided, each three buffer slots (604) are in a group, and the two groups of buffer slots (604) are symmetrically arranged with a perpendicular bisector of the splitter plate (603) as a symmetry axis.