CN209213014U

CN209213014U - A kind of butterfly valve with handle locking mechanism

Info

Publication number: CN209213014U
Application number: CN201822136170.9U
Authority: CN
Inventors: 章文忠
Original assignee: HUBEI TAIHE PETROCHEMICAL EQUIPMENT Co Ltd
Current assignee: HUBEI TAIHE PETROCHEMICAL EQUIPMENT Co Ltd
Priority date: 2018-12-19
Filing date: 2018-12-19
Publication date: 2019-08-06
Anticipated expiration: 2028-12-19

Abstract

The utility model provides a kind of butterfly valve with handle locking mechanism, including valve body, valve shaft and butterfly plate, wearing layer is equipped in valve body, valve body is equipped with the valve body hole passed through for valve shaft, valve shaft is located at the connection of the part in valve channel butterfly plate, the valve shaft upper end is equipped with control handle, the downside of control handle is arranged in limit handle, the one end for limiting handle is connect with control handle by pin rotation, it limits and is equipped with spring between handle and control handle, valve body upper end is equipped with support plate, and the spacing bayonet limited to limit handle is equipped on the outside of support plate.The butterfly valve can carry out limitation locking to handle, prevent valve shaft from rotating and influence the open/close states of valve.

Description

A kind of butterfly valve with handle locking mechanism

Technical field

The utility model belongs to valve technology field, in particular to a kind of butterfly valve with handle locking mechanism.

Background technique

Butterfly valve is called flap valve, is a kind of simple regulating valve of structure, can be used for the switch control of low pressure pipeline medium, butterfly Valve refers to that closure member (flap or butterfly plate) is disk, and a kind of valve of open and close is reached around valve shaft rotation.

Valve can be used for controlling empty gas and water, steam, various corrosive medias, mud, oil product, liquid metal and radioactivity The flowing of the various types fluid such as medium.Cutting and throttling action are mainly played on pipeline.Butterfly valve opening and closing element is a disc Butterfly plate, in valve body around its own axis rotate, to achieve the purpose that opening and closing or adjusting.

Existing butterfly valve does not have locking device, in use Chang Yinwei maloperation or touching handle revolves valve shaft Turn to change the open/close states of valve.

Summary of the invention

The technical problem to be solved by the utility model is to provide a kind of butterfly valves with handle locking mechanism, can be to handle Limitation locking is carried out, prevents valve shaft from rotating and influences the open/close states of valve.

It is a kind of with handle locking mechanism that in order to solve the above technical problems, the technical scheme adopted by the utility model is: Butterfly valve, including valve body, valve shaft and butterfly plate, valve body is interior to be equipped with wearing layer, and valve body is equipped with the valve body hole passed through for valve shaft, valve shaft position Butterfly plate is connected in the part in valve channel, the valve shaft upper end is equipped with control handle, and control handle is arranged in limit handle Downside, the one end for limiting handle are connect by pin rotation with control handle, limit and be equipped with spring between handle and control handle, Valve body upper end is equipped with support plate, and the spacing bayonet limited to limit handle is equipped on the outside of support plate.

In preferred scheme, the shape of the support plate is sector, the quantity of spacing bayonet be it is multiple, on the outside of support plate Arc circle distribution.

In preferred scheme, the valve shaft and control handle link position section are polygon, and control handle one end is equipped with With the mounting hole of the polygon of valve shaft cooperation, valve shaft upper end is equipped with stop nut.

In preferred scheme, the valve shaft is located at the part two sides in valve channel and connects semicircular filter plate, the filter The vertical butterfly plate setting of plate.

In preferred scheme, the circumference of the butterfly plate is equipped with sealing ring.

In preferred scheme, the butterfly plate is equipped with reinforcing rib.

A kind of butterfly valve with handle locking mechanism provided by the utility model, under the action of the spring, limit handle and limit Position is clasped, the rotation of limit fastener limitation limit handle, so that the maloperation that valve is caused when not operating valve is prevented, when When needing opening/shutting valve, it is only necessary to hold control handle and limit handle, compressed spring makes limit handle be detached from limit fastener Limit, i.e., the open/close states of changeable valve.

Detailed description of the invention

The utility model is described in further detail with reference to the accompanying drawings and examples:

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the mounting structure schematic diagram for controlling handle；

In figure: valve body 1, valve shaft 2, butterfly plate 3, wearing layer 4 control handle 5, limit handle 6, spring 7, support plate 8, limit Bayonet 9, mounting hole 10, stop nut 11, filter plate 12, sealing ring 13, reinforcing rib 14.

Specific embodiment

As shown in Figure 1 and 2, a kind of butterfly valve with handle locking mechanism, including valve body 1, valve shaft 2 and butterfly plate 3 are set in valve body 1 There is wearing layer 4,4 material of wearing layer is nitrile rubber or fluorubber, and valve body 1 is equipped with the valve body hole passed through for valve shaft 2, valve Axis 2 is located at the connection of the part in 1 channel of valve body butterfly plate 3, and 2 upper end of valve shaft is equipped with control handle 5, and the limit setting of handle 6 exists The downside of handle 5 is controlled, limit 6 one end of handle is connect with control handle 5 by pin rotation, limit handle 6 and control handle 5 Between be equipped with spring 7,1 upper end of valve body is equipped with support plate 8, and the limiting card limited to limit handle 6 is equipped on the outside of support plate 8 Mouth 9.

The quantity at least two of the limit fastener 9, the angle of two limit pulling buckles 9 are 90 degree, are closed respectively in valve Engaging limit is carried out to limit handle 6 when closing and opening opens, guarantees that valve is remained on or off state, is prevented because accidentally touching control Handle 5 makes valve shaft 2 rotate and change open/close states.

When specifically used, when needing to change valve state, operator holds control handle 5 and limit handle 6 simultaneously, Compressed spring 7 is rotated up limit handle 6, to make to limit the limit that handle 6 is detached from limit fastener 9, rotation control handle 5, it drives valve shaft 2 to rotate simultaneously, changes the open state of valve, unclamp limit handle 6, in the effect of spring 7, limit handle 6 It rotates down, limit handle 6 is installed on again in limit fastener 9, completes the locking of valve.

In the present embodiment, limit fastener 9 is the inclined surface parallel with limit handle 6 with the contact surface of limit handle 6.

Preferably, the shape of the support plate 8 is sector, the quantity of spacing bayonet 9 be it is multiple, along 8 outside of support plate Arc circle distribution.By the way that the limit of handle 6 will be limited in the limit fastener 9 of different location, the adjusting of flow, Er Qiebao are realized Valve is demonstrate,proved in use, will not there is a situation where accidentally touch.

The valve shaft 2 is polygon with control 5 link position section of handle, and control 5 one end of handle is equipped with to be cooperated with valve shaft 2 Polygon mounting hole 10,2 upper end of valve shaft be equipped with stop nut 11.Control handle 5 is detachably connected with valve shaft 2, facilitates valve The filling of door filler and the replacement for controlling handle 5.

Preferably, the valve shaft 2 is located at the semicircular filter plate 12 of the connection of the part two sides in 1 channel of valve body, the filter plate 12 vertical butterfly plates 3 are arranged.

When butterfly plate 3 is parallel to water (flow) direction setting, valve is in the open state, and filter plate 12 and water (flow) direction are hung down at this time Directly, so as to being filtered to circulation medium.

The circumference of the butterfly plate 3 is equipped with sealing ring 13.Improve the leakproofness of butterfly plate 3 and valve body 1.

The butterfly plate 3 is equipped with reinforcing rib 14.Since butterfly valve is generally used for the switch control of large diameter pipeline, frequent Opening and closing and fluid scour process in easily cause the damage of butterfly plate, by the way that reinforcing rib 14 is arranged, improve the strong of butterfly plate 3 Degree.

The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model System, the technical solution that the protection scope of the utility model should be recorded with claim, the technical solution recorded including claim The equivalents of middle technical characteristic are protection scope.Equivalent replacement i.e. within this range is improved, also in the utility model Protection scope within.

Claims

1. a kind of butterfly valve with handle locking mechanism, including valve body (1), valve shaft (2) and butterfly plate (3), valve body (1) is interior equipped with wear-resisting Layer (4), valve body (1) are equipped with the valve body hole passed through for valve shaft (2), and valve shaft (2) is located at the connection of the part in valve body (1) channel butterfly Plate (3), it is characterised in that: valve shaft (2) upper end is equipped with control handle (5), and limit handle (6) setting is in control handle (5) Downside, the one end for limiting handle (6) connect with control handle (5) by pin rotation, limit handle (6) and controls handle (5) spring (7) are equipped between, valve body (1) upper end is equipped with support plate (8), be equipped on the outside of support plate (8) to limit handle (6) into The spacing bayonet (9) of row limit.

2. a kind of butterfly valve with handle locking mechanism according to claim 1, it is characterised in that: the support plate (8) Shape is sector, and the quantity of spacing bayonet (9) is multiple, the arc circle distribution on the outside of support plate (8).

3. a kind of butterfly valve with handle locking mechanism according to claim 1, it is characterised in that: the valve shaft (2) and control Handle (5) link position section processed is polygon, and control handle (5) one end is equipped with the installation of the polygon cooperated with valve shaft (2) Hole (10), valve shaft (2) upper end are equipped with stop nut (11).

4. a kind of butterfly valve with handle locking mechanism according to claim 1, it is characterised in that: the valve shaft (2) is located at Part two sides in valve body (1) channel connect semicircular filter plate (12), vertical butterfly plate (3) setting of the filter plate (12).

5. a kind of butterfly valve with handle locking mechanism according to claim 1, it is characterised in that: the circle of the butterfly plate (3) Side is equipped with sealing ring (13).

6. a kind of butterfly valve with handle locking mechanism according to claim 1, it is characterised in that: set on the butterfly plate (3) There are reinforcing rib (14).