CN219570868U

CN219570868U - Butterfly valve with high-performance seal

Info

Publication number: CN219570868U
Application number: CN202222573886.1U
Authority: CN
Inventors: 马东飞; 李阳
Original assignee: Vof Valve Manufacturing Co ltd
Current assignee: Vof Valve Manufacturing Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-08-22
Anticipated expiration: 2032-09-28

Abstract

The utility model belongs to the technical field of butterfly valves, in particular to a butterfly valve with high-performance seal, which aims at the problem that a handle of a conventional high-performance butterfly valve lacks a positioning structure so that the seal stability is not guaranteed, and the utility model provides the following scheme that: the shell is rotationally provided with a main shaft, and the bottom end of the main shaft is fixedly provided with a valve plate; the control assembly comprises a handle and a worm wheel, the worm wheel is fixedly arranged at the top end of the main shaft, the front side of the handle is provided with jacks, and a plurality of jacks are arranged in an annular equidistant manner; the positioning assembly comprises a bolt and a connecting frame, wherein the bolt is movably inserted into the corresponding jack, and the bolt is fixedly connected to the front side of the connecting frame. According to the butterfly valve, the positioning assembly is arranged on the butterfly valve shell to fix the handle, so that the sealing stability of the butterfly valve is ensured, the butterfly valve is convenient to control to open and close, and the use effect is improved.

Description

Butterfly valve with high-performance seal

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a butterfly valve with high-performance sealing.

Background

The high-performance butterfly valve sealing ring is made of polytetrafluoroethylene generally, has excellent sealing performance, reliable service life and cost performance, and has wide application in the field of industrial automation control. Especially, the application in industries such as petroleum, chemical industry, electric power, air separation, high-rise building, water treatment and the like is very mature.

However, the handle of the conventional high-performance butterfly valve lacks a positioning structure, so that the sealing stability is not ensured; we therefore propose a butterfly valve with a high performance seal to address this problem.

Disclosure of Invention

The utility model aims to solve the defect that the sealing stability cannot be ensured due to the lack of a positioning structure of a handle of a conventional high-performance butterfly valve, and provides a butterfly valve with high-performance sealing.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a butterfly valve having a high performance seal, comprising:

the shell is rotationally provided with a main shaft, and the bottom end of the main shaft is fixedly provided with a valve plate;

the control assembly comprises a handle and a worm wheel, the worm wheel is fixedly arranged at the top end of the main shaft, a worm is fixedly arranged at the rear side of the handle, the worm is rotationally connected to the top of the shell, the worm is meshed with the worm wheel, the front side of the handle is provided with a plurality of jacks which are arranged in an annular equidistant manner

The positioning assembly comprises a bolt and a connecting frame, wherein the bolt is movably inserted into the corresponding jack, and the bolt is fixedly connected to the front side of the connecting frame.

Preferably, the positioning assembly further comprises a fixing frame and a positioning plate, the connecting frame is sleeved on the outer side of the fixing frame in a sliding mode, the fixing frame is fixedly connected to the front side of the shell, a positioning groove is formed in the inner wall of the top of the fixing frame, and the positioning plate is movably clamped in the positioning groove.

Preferably, the bottom fixed mounting of locating plate has the diaphragm, the bottom fixedly connected with riser of diaphragm, vertical hole has been seted up to the bottom of connecting frame, riser sliding connection is in vertical hole.

Preferably, the bottom fixedly connected with positioning spring of diaphragm, positioning spring's bottom fixed connection is on the bottom inner wall of connecting frame.

Preferably, a connecting spring is fixedly connected to the inner wall of the front side of the connecting frame, and the rear end of the connecting spring is fixedly connected to the front side of the fixing frame.

Preferably, the bottom of the vertical plate is fixedly connected with a pulling plate.

Preferably, a vertical rod is fixedly installed on the inner wall of the bottom of the connecting frame, and the transverse plate is sleeved on the outer side of the vertical rod in a sliding manner.

Preferably, a positioning shaft is fixedly arranged in the shell, and the valve plate is rotatably sleeved on the outer side of the positioning shaft.

According to the butterfly valve with high-performance sealing, the handle is fixed through the matching of the bolt and the jack, so that the rotation of the main shaft and the valve plate is rotationally fixed, and the movement of the connecting frame and the bolt is limited through the matching of the positioning plate and the positioning groove, so that the sealing stability of the butterfly valve is improved;

according to the butterfly valve with high-performance sealing, the vertical plate, the transverse plate and the positioning plate are driven to move downwards by pulling the pulling plate downwards, so that the positioning plate is separated from the positioning groove, then the vertical plate is driven to move backwards by pulling the pulling plate rightwards, the connecting frame is driven to move backwards by the vertical plate, the bolt is driven to move backwards, the bolt is separated from the jack, the fixation of the handle is relieved, the worm is driven to rotate by rotating the handle, the spindle is driven to rotate by meshing with the worm wheel, and the valve plate is driven to rotate by the spindle, so that the butterfly valve is controlled to be opened and closed;

the butterfly valve is reasonable in structural design, the positioning assembly is arranged on the butterfly valve shell to fix the handle, so that the sealing stability of the butterfly valve is guaranteed, the butterfly valve is convenient to control to open and close, the using effect is improved, and the reliability is high.

Drawings

FIG. 1 is a schematic perspective view of a butterfly valve with a high performance seal according to the present utility model;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic cross-sectional view of a butterfly valve with a high performance seal in accordance with the present utility model;

FIG. 4 is a schematic left-hand view of a butterfly valve with a high performance seal according to the present utility model;

fig. 5 is a partial enlarged view of a portion B in fig. 4.

In the figure: 1. a housing; 2. a main shaft; 3. a valve plate; 4. a worm wheel; 5. a worm; 6. a handle; 7. a jack; 8. a plug pin; 9. a connection frame; 10. a fixed frame; 11. a cross plate; 12. pulling a plate; 13. a riser; 14. a positioning spring; 15. a positioning plate; 16. and positioning the shaft.

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.

Referring to fig. 1-5, a butterfly valve having a high performance seal, comprising:

the device comprises a shell 1, a main shaft 2 is rotatably arranged in the shell 1, and a valve plate 3 is fixedly arranged at the bottom end of the main shaft 2;

the control assembly comprises a handle 6 and a worm wheel 4, the worm wheel 4 is fixedly arranged at the top end of the main shaft 2, a worm 5 is fixedly arranged at the rear side of the handle 6, the worm 5 is rotationally connected to the top of the shell 1, the worm 5 is meshed with the worm wheel 4, insertion holes 7 are formed in the front side of the handle 6, the insertion holes 7 are arranged in an annular equidistant mode, further the handle 6 can be made of aluminum bronze alloy, and the excellent performance of aluminum bronze comprises high strength, hardness, corrosion resistance and wear resistance, so that the use requirement of the handle 6 can be met;

the positioning assembly comprises a bolt 8 and a connecting frame 9, the bolt 8 is movably inserted into the corresponding jack 7, and the bolt 8 is fixedly connected to the front side of the connecting frame 9.

In this embodiment, the locating component still includes fixed frame 10 and locating plate 15, and connecting frame 9 slip cup joints in the outside of fixed frame 10, and fixed frame 10 fixed connection has seted up the constant head tank on the top inner wall of fixed frame 10 at casing 1, and locating plate 15 activity joint is in the constant head tank, and the bottom fixed mounting of locating plate 15 has diaphragm 11, and the bottom fixedly connected with riser 13 of diaphragm 11, and vertical hole has been seted up to the bottom of connecting frame 9, and riser 13 sliding connection is in vertical downthehole.

In this embodiment, the bottom of the transverse plate 11 is fixedly connected with a positioning spring 14, the bottom end of the positioning spring 14 is fixedly connected to the bottom inner wall of the connecting frame 9, the transverse plate 11 is reset, the connecting spring is fixedly connected to the front inner wall of the connecting frame 9, the rear end of the connecting spring is fixedly connected to the front side of the fixing frame 10, and the connecting frame 9 is reset.

In this embodiment, the bottom fixedly connected with arm-tie 12 of riser 13 is convenient for stimulate riser 13 and removes, and fixed mounting has the montant on the bottom inner wall of connecting frame 9, and diaphragm 11 slides and cup joints in the outside of montant, leads diaphragm 11, and fixed mounting has locating shaft 16 in the casing 1, and valve block 3 rotates the outside of cup joint at locating shaft 16, rotates the location to valve block 3.

In this embodiment, when in use, fix handle 6 through the cooperation of bolt 8 and jack 7 to rotate fixedly to the rotation of main shaft 2 and valve block 3, restrict the removal of linking frame 9 and bolt 8 through the cooperation of locating plate 15 and constant head tank, so as to promote the seal stability of butterfly valve, drive riser 13 through pulling down arm-tie 12, diaphragm 11 and locating plate 15 downward movement, make locating plate 15 break away from the constant head tank, then pull arm-tie 12 to the right and drive riser 13 backward movement, riser 13 drives linking frame 9 backward movement, and then drive bolt 8 backward movement, make bolt 8 break away from jack 7, remove the fixation to handle 6, so that rotatory handle 6 drives worm 5 rotation, worm 5 drives main shaft 2 rotation through the meshing with worm wheel 4, main shaft 2 drives the rotation of valve block 3, thereby realize opening and shutting the control of butterfly valve.

Claims

1. A butterfly valve having a high performance seal, comprising:

the device comprises a shell (1), wherein a main shaft (2) is rotatably arranged in the shell (1), and a valve plate (3) is fixedly arranged at the bottom end of the main shaft (2);

the control assembly comprises a handle (6) and a worm wheel (4), wherein the worm wheel (4) is fixedly arranged at the top end of the main shaft (2), a worm (5) is fixedly arranged at the rear side of the handle (6), the worm (5) is rotationally connected to the top of the shell (1), the worm (5) is meshed with the worm wheel (4), inserting holes (7) are formed in the front side of the handle (6), and a plurality of inserting holes (7) are arranged at equal intervals in a ring shape;

the positioning assembly comprises a bolt (8) and a connecting frame (9), wherein the bolt (8) is movably inserted into a corresponding jack (7), and the bolt (8) is fixedly connected to the front side of the connecting frame (9).

2. The butterfly valve with high-performance sealing according to claim 1, wherein the positioning assembly further comprises a fixing frame (10) and a positioning plate (15), the connecting frame (9) is sleeved on the outer side of the fixing frame (10) in a sliding mode, the fixing frame (10) is fixedly connected to the front side of the shell (1), a positioning groove is formed in the inner wall of the top of the fixing frame (10), and the positioning plate (15) is movably clamped in the positioning groove.

3. The butterfly valve with high-performance sealing according to claim 2, wherein a transverse plate (11) is fixedly installed at the bottom of the positioning plate (15), a vertical plate (13) is fixedly connected to the bottom of the transverse plate (11), a vertical hole is formed in the bottom of the connecting frame (9), and the vertical plate (13) is slidably connected in the vertical hole.

4. A butterfly valve with high-performance sealing according to claim 3, characterized in that the bottom of the cross plate (11) is fixedly connected with a positioning spring (14), and the bottom end of the positioning spring (14) is fixedly connected to the bottom inner wall of the connecting frame (9).

5. A butterfly valve with high performance sealing according to claim 1 or 2, characterized in that the inner wall of the front side of the connecting frame (9) is fixedly connected with a connecting spring, the rear end of which is fixedly connected to the front side of the fixing frame (10).

6. A butterfly valve with high performance sealing according to claim 3, characterized in that the bottom of the riser (13) is fixedly connected with a pulling plate (12).

7. A butterfly valve with high-performance sealing according to claim 3, characterized in that the inner wall of the bottom of the connecting frame (9) is fixedly provided with a vertical rod, and the transverse plate (11) is sleeved on the outer side of the vertical rod in a sliding manner.

8. The butterfly valve with high-performance sealing according to claim 1, wherein a positioning shaft (16) is fixedly arranged in the housing (1), and the valve plate (3) is rotatably sleeved on the outer side of the positioning shaft (16).