CN214500067U

CN214500067U - Valve with good sealing performance

Info

Publication number: CN214500067U
Application number: CN202022898976.9U
Authority: CN
Inventors: 朱建兵; 沙雷; 夏建华
Original assignee: Yancheng Dafeng Zhongyi Machinery Co ltd
Current assignee: Yancheng Dafeng Zhongyi Machinery Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-10-26
Anticipated expiration: 2030-12-03

Abstract

The utility model provides a valve that leakproofness is good, a serial communication port, includes the valve body, be equipped with the disk seat on the valve body, be equipped with first pivot, second pivot and third pivot in the disk seat, first pivot cup joints in the second pivot, the second pivot with first pivot all penetrates in the valve body, first pivot top and second pivot top are all worn out the disk seat, the top of first pivot is equipped with first hand wheel, the top of second pivot is equipped with the second hand wheel, the third pivot is in be equipped with the valve plate in the valve body, the bottom of second pivot is equipped with stop gear, the top of third pivot is equipped with the drive wheel, the bottom of first pivot is equipped with the drive wheel, the drive wheel with the drive wheel passes through the chain and connects. The utility model discloses a second hand wheel rotates the second pivot and drives stop gear and support the valve plate, guarantees the fixed of valve plate, has improved the leakproofness of valve.

Description

Valve with good sealing performance

Technical Field

The utility model relates to the technical field of valves, especially, relate to a valve that leakproofness is good.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. 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 valves are further classified into cast iron valves, cast steel valves, stainless steel valves (201, 304, 316, etc.), chrome molybdenum steel valves, chrome molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, nonstandard valves, etc. according to the material.

In the prior art, when the valve is closed, due to the extrusion of a circulating medium, the internal closing part of the valve is impacted by external force, so that the sealing part slightly moves, and the leakage phenomenon at the joint occurs.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of the prior art and providing a valve with good sealing performance.

A valve with good sealing performance is characterized by comprising a valve body, wherein a valve seat is arranged on the valve body, a first rotating shaft, a second rotating shaft and a third rotating shaft are arranged in the valve seat, the first rotating shaft is connected to the second rotating shaft in a sleeved mode, the second rotating shaft and the first rotating shaft penetrate into the valve body, the top end of the first rotating shaft and the top end of the second rotating shaft penetrate out of the valve seat, a first hand wheel is arranged at the top end of the first rotating shaft, a second hand wheel is arranged at the top end of the second rotating shaft, a valve plate is arranged in the valve body through the third rotating shaft, a limiting mechanism is arranged at the bottom end of the second rotating shaft, a driving wheel is arranged at the top end of the third rotating shaft, a driving wheel is arranged at the bottom end of the first rotating shaft, and the driving wheel is connected with the driving wheel through a chain;

stop gear is equipped with stopper, first connecting block and second connecting block, first connecting block is established the stopper below just supports the stopper, first connecting block with second connecting block tip all is equipped with the connection ejector pin, the ejector pin is connected to the connection ejector pin.

Preferably, the third pivot with the valve plate all is equipped with two and establishes the second pivot both sides.

Preferably, a protruding block is arranged below the valve body, a groove is correspondingly formed in the valve body, and the second connecting block enters the groove along the second rotating shaft.

Preferably, the second connecting block is a sliding block, and the second connecting block is provided with a thread matched with the first rotating shaft.

Preferably, the first connecting block is a movable block, and a contact surface of the first connecting block and the second rotating shaft is a smooth surface.

Preferably, the width of the side surface, abutted against the valve plate, of the ejector block is larger than the diameter of the third rotating shaft, and a rubber pad is arranged on the side surface, abutted against the valve plate, of the ejector block.

The utility model has the advantages that:

through the rotation of cup jointing the epaxial first pivot of second commentaries on classics for the drive wheel passes through the chain and drives the drive wheel rotation, and then rotates the valve plate through the third pivot, makes the valve body cut off inside passage, rotates second pivot control stop gear's kicking block again and supports the valve plate, guarantees that the valve plate does not receive external force and leads to rotating, has improved the leakproofness.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, together with the description of embodiments of the invention, and are not intended to limit the invention. In the drawings:

FIG. 1 is a schematic view of an unclosed valve plate;

FIG. 2 is a schematic view of a valve plate closure configuration;

labeled as: 1-valve body, 2-valve seat, 3-first hand wheel, 4-second hand wheel, 5-first rotating shaft, 6-second rotating shaft, 7-driving wheel, 8-driving wheel, 9-third rotating shaft, 10-valve plate, 11-limiting block, 12-first connecting block, 13-second connecting block, 14-connecting ejector rod, 15-ejector block, 16-rubber pad and 17-chain.

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.

According to the figures 1 and 2, a valve with good sealing performance comprises a valve body 1, a valve seat 2 is arranged on the valve body 1, a first rotating shaft 5, a second rotating shaft 6 and a third rotating shaft 9 are arranged in the valve seat 2, the first rotating shaft 5 is sleeved on the second rotating shaft 6, the second rotating shaft 6 and the first rotating shaft 5 penetrate into the valve body 1, the top end of the first rotating shaft 5 and the top end of the second rotating shaft 6 penetrate out of the valve seat 2, a first hand wheel 3 is arranged at the top end of the first rotating shaft 5, a second hand wheel 4 is arranged at the top end of the second rotating shaft 6, a valve plate 10 is arranged in the valve body 1 of the third rotating shaft 9, a limiting mechanism is arranged at the bottom end of the second rotating shaft 6, a driving wheel 8 is arranged at the top end of the third rotating shaft 9, a driving wheel 7 is arranged at the bottom end of the first rotating shaft 5, and the driving wheel 8 is connected with the driving wheel 7 through a chain 17;

stop gear is equipped with stopper 11, first connecting block 12 and second connecting block 13, and first connecting block 12 is established in stopper 11 below and is supported stopper 11, and first connecting

block

12 and 13 tip of second connecting block all are equipped with connection ejector pin 14, and connection ejector pin 14 connects kicking block 15. The side of the top block 15 against the valve plate 10 is provided with a rubber pad 16.

The working principle is as follows: when the valve is closed, the first hand wheel 3 is rotated to drive the first rotating shaft 5 to rotate, the driving wheel 7 is driven to rotate, the driving wheel 7 rotates through the chain 17 to drive the driving wheel 8 to rotate, the third rotating shaft 9 sleeved with the driving wheel 8 is driven by the driving wheel 8 to rotate, and the valve plate 10 rotates along with the rotation of the third rotating shaft 9 until the valve plate 10 is perpendicular to the circulation direction.

The second wheel 4 is rotated, so that the second connecting block 13 is lifted along with the rotation of the second rotating shaft 6 through the rotation of the second rotating shaft 6 until the second connecting block 13 abuts against the first connecting block 12. In the process of ascending the second connecting block 13, the connecting ejector rod 14 drives the top block 15 to ascend and approach the valve plate 10 at the same time until the rubber pad 16 of the top block 15 abuts against the valve plate 10.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A valve with good sealing performance is characterized by comprising a valve body, wherein a valve seat is arranged on the valve body, a first rotating shaft, a second rotating shaft and a third rotating shaft are arranged in the valve seat, the first rotating shaft is connected to the second rotating shaft in a sleeved mode, the second rotating shaft and the first rotating shaft penetrate into the valve body, the top end of the first rotating shaft and the top end of the second rotating shaft penetrate out of the valve seat, a first hand wheel is arranged at the top end of the first rotating shaft, a second hand wheel is arranged at the top end of the second rotating shaft, a valve plate is arranged in the valve body through the third rotating shaft, a limiting mechanism is arranged at the bottom end of the second rotating shaft, a driving wheel is arranged at the top end of the third rotating shaft, a driving wheel is arranged at the bottom end of the first rotating shaft, and the driving wheel is connected with the driving wheel through a chain;

2. The valve as claimed in claim 1, wherein two third shafts and two valve plates are provided on both sides of the second shaft.

3. The valve with good sealing performance as claimed in claim 1, wherein a protruding block is disposed below the valve body and a groove is correspondingly disposed inside the valve body, and the second connecting block enters the groove along the second rotation axis.

4. The valve of claim 1, wherein the second connecting block is a sliding block, and the second connecting block is provided with a thread matching the first rotating shaft.

5. The valve with good sealing performance as claimed in claim 1, wherein the first connecting block is a movable block and a contact surface with the second rotating shaft is a smooth surface.

6. The valve as claimed in claim 1, wherein the width of the side of the top block against the valve plate is greater than the diameter of the third shaft, and a rubber pad is disposed on the side of the top block against the valve plate.