CN215214774U

CN215214774U - Corrosion-resistant V-shaped eccentric compound butterfly plate type butterfly valve

Info

Publication number: CN215214774U
Application number: CN202120836124.9U
Authority: CN
Inventors: 闫秦峰
Original assignee: Nanjing Automatic Control Instrument Co ltd
Current assignee: Nanjing Automatic Control Instrument Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-12-17
Anticipated expiration: 2031-04-22

Abstract

The utility model discloses a corrosion-resistant eccentric double entry butterfly plate type butterfly valve of V type, including mechanical box, the bottom connection of mechanical box has been installed flange, and the inboard rotation of flange has been installed the butterfly plate, the front surface one end of mechanical box rotates and has been installed the bull stick, the one end connection of bull stick has been installed the hand wheel, the connection has been installed the handle on the hand wheel, the through-hole has been seted up to the inboard of hand wheel; when this butterfly valve uses, can be directly with the spacing one end of installing at the bull stick of hand wheel, conveniently drive the bull stick through the hand wheel and rotate, thereby the state of opening and close of control butterfly valve, after the use, dismantle the hand wheel of installation and take off, avoid irrelevant personnel to rotate the hand wheel, the security when this butterfly valve uses has been improved, in the fixed in-process of butterfly valve installation, accessible cassette card is established on connecting tube's flange when the butterfly valve installation, make things convenient for the screw to counterpoint, assist the installation, convenience and efficiency when improving the installation, the device's practicality has been improved.

Description

Corrosion-resistant V-shaped eccentric compound butterfly plate type butterfly valve

Technical Field

The utility model belongs to the technical field of the butterfly valve, concretely relates to eccentric double entry butterfly plate type butterfly valve of corrosion-resistant V type.

Background

A butterfly valve, also called a flap valve, is a regulating valve with a simple structure, and can be used for on-off control of low-pressure pipeline media, namely a valve with a closing part (a valve clack or a butterfly plate) which is a disc and rotates around a valve shaft to open and close, and 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 pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved. The reliability and other performance indexes of the composite material reach higher levels.

The existing corrosion-resistant V-shaped eccentric compound butterfly plate type butterfly valve has the corrosion-resistant effect by coating various coatings on the surface of the butterfly valve when the butterfly valve is used generally, but a common hand wheel is fixedly arranged on the butterfly valve when the butterfly valve is used generally, and the hand wheel is difficult to disassemble after the butterfly valve is opened and closed, so that irrelevant personnel can rotate the hand wheel to influence the use of the butterfly valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a corrosion-resistant eccentric double entry butterfly plate type butterfly valve of V type, with the eccentric double entry butterfly plate type butterfly valve of the current corrosion-resistant V type who proposes in solving above-mentioned background art, when the butterfly valve is used usually, through at the various coatings of butterfly valve surface coating, thereby play corrosion-resistant effect, nevertheless this butterfly valve is usually when using, hand wheel fixed mounting commonly used is on the butterfly valve, after the butterfly valve is opened and close, the hand wheel is difficult to dismantle, probably lead to irrelevant personnel to rotate the hand wheel, influence the problem of the use of this butterfly valve.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an eccentric double entry butterfly plate type butterfly valve of corrosion-resistant V type, includes mechanical box, the bottom of mechanical box is connected and has been installed flange, just the butterfly plate has been installed in flange's inboard rotation, the bull stick has been installed in the rotation of the front surface one end of mechanical box, the hand wheel has been installed in the one end connection of bull stick, the handle has been installed in the connection on the hand wheel, the through-hole has been seted up to the inboard of hand wheel, the hand wheel passes through the one end that the through-hole inserted the bull stick, simultaneously the round pin card has been inserted on the bull stick.

Preferably, the edge of the connecting flange is provided with a screw hole, and the edge of the top of the front surface of the connecting flange is welded with an integrated clamping seat.

Preferably, two clamping seats are symmetrically arranged on the surfaces of the two ends of the connecting flange, and the clamping seats are in half circular ring structures.

Preferably, the handle is sleeved with an anti-slip sleeve, and the anti-slip sleeve is provided with an anti-slip bulge.

Preferably, one end of the rotating rod is set to be a limiting rod structure.

Preferably, a pin hole is formed in one end of the rotating rod, the pin clamp is installed in the pin hole in a limiting mode, and the hand wheel passes through the pin clamp limiting hole.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) when the butterfly valve is used, a hand wheel of the common butterfly valve is fixedly installed, the hand wheel on the butterfly valve is provided with a structure capable of being conveniently disassembled and assembled, when the butterfly valve is used, the hand wheel can be directly limited and installed at one end of the rotating rod, the rotating rod is conveniently driven to rotate through the hand wheel, so that the opening and closing state of the butterfly valve is controlled, after the butterfly valve is used, the installed hand wheel is disassembled and taken down, irrelevant personnel are prevented from rotating the hand wheel, the hand wheel is convenient to disassemble and assemble, and the stability and convenience of the butterfly valve in use are improved;

(2) in this butterfly valve installation fixed process, counterpoint between butterfly valve and the pipeline is usually required, is provided with the cassette through flange one side at this butterfly valve, and accessible cassette card is established on connecting tube's flange when the butterfly valve installation, makes things convenient for the screw to counterpoint, assists the installation, improves the convenience and the efficiency when installing, has improved the device's practicality.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a left side view structural schematic diagram of the hand wheel of the present invention;

fig. 3 is a schematic diagram of the right-side view structure of the connecting flange of the present invention;

in the figure: 1. a handle; 2. a hand wheel; 3. a connecting flange; 4. a rotating rod; 5. a mechanical box; 6. a butterfly plate; 7. a card holder; 8. a screw hole; 9. a through hole; 10. and (6) pinning.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: the utility model provides a corrosion-resistant eccentric double entry butterfly plate type butterfly valve of V type, including mechanical box 5, flange 3 has been installed in the bottom connection of mechanical box 5, and flange 3's inboard is rotated and has been installed butterfly plate 6, the front surface one end of mechanical box 5 is rotated and has been installed bull stick 4, the hand wheel 2 has been installed in the one end connection of bull stick 4, handle 1 has been installed in the connection on the hand wheel 2, through-hole 9 has been seted up to the inboard of hand wheel 2, hand wheel 2 inserts the one end of bull stick 4 through-hole 9, it has the round pin card 10 to insert simultaneously on the bull stick 4, when this butterfly valve uses, can directly with 2 spacing installations of hand wheel in the one end of bull stick 4, conveniently drive bull stick 4 through hand wheel 2 and rotate, thereby the on-off state of control butterfly valve, after the butterfly valve uses, dismantle the hand wheel 2 of installation and take off, avoid irrelevant personnel to rotate hand wheel 2, improve the security and the convenience of butterfly valve.

For better use, in this embodiment, preferably, an anti-slip sleeve is sleeved on the handle 1, and an anti-slip protrusion is disposed on the anti-slip sleeve, so as to facilitate gripping and rotation, and improve comfort during use, and for better limiting the hand wheel 2, in this embodiment, preferably, one end of the rotating rod 4 is set to be a limiting rod structure, so as to prevent the hand wheel 2 from rotating after being installed, and for better use, in this embodiment, preferably, one end of the rotating rod 4 is provided with a pin hole, a pin clamp 10 is limitedly installed in the pin hole, and the hand wheel 2 is limited by the pin clamp 10 to prevent the hand wheel 2 from falling off during use, in this embodiment, for better installation, preferably, the edge of the connecting flange 3 is provided with a screw hole 8, and the edge of the top of the front surface of the connecting flange 3 is welded and provided with an integrated clamp seat 7, so as to facilitate auxiliary installation, and for better installation, preferably, two clamping seats 7 are symmetrically arranged on the surfaces of the two ends of the connecting flange 3, and the clamping seats 7 are in a half circular ring structure, so that the pipelines at the two ends of the connecting flange 3 can be conveniently connected.

The utility model discloses a theory of operation and use flow: when the butterfly valve is used, a hand wheel 2 of a common butterfly valve is fixedly arranged at one end of a rotating rod 4, the hand wheel 2 on the butterfly valve is provided with a structure capable of being conveniently disassembled and assembled, when the butterfly valve is used, a through hole 9 is formed in the inner side of the hand wheel 2, the hand wheel 2 is inserted into one end of the rotating rod 4 through the through hole 9, the through hole 9 and the rotating rod 4 are in regular shapes, the hand wheel 2 can be prevented from rotating after being installed, a pin clamp 10 is inserted into one end of the rotating rod 4, the hand wheel 2 is prevented from being unstably installed through the pin clamp 10, the rotating rod 4 is conveniently driven to rotate through the installed hand wheel 2, the opening and closing state of the butterfly valve is controlled, after the butterfly valve is used, the installed hand wheel 2 is disassembled and taken down, irrelevant personnel are prevented from rotating the hand wheel 2, the hand wheel 2 is convenient to disassemble and assemble and convenient to control, meanwhile, in the butterfly valve installation and fixation process, alignment fixation between the butterfly valve and a pipeline is usually needed, a clamping seat 7 is arranged on one side of a connecting flange 3 of the butterfly valve, the accessible cassette 7 is hung and is established on connecting tube's flange when the butterfly valve is installed, makes things convenient for screw 8 to counterpoint, assists the installation, and the screw in bolt of being convenient for improves the convenience and the efficiency when installing, has improved the device's practicality.

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

Claims

1. A corrosion-resistant eccentric compound butterfly plate type butterfly valve of V type, includes machinery box (5), the bottom connection of machinery box (5) has been installed flange (3), and the inboard rotation of flange (3) has been installed butterfly plate (6), its characterized in that: the utility model discloses a mechanical box, including machinery box (5), the front surface one end of machinery box (5) is rotated and is installed bull stick (4), the one end of bull stick (4) is connected and is installed hand wheel (2), connect on hand wheel (2) and have been installed handle (1), through-hole (9) have been seted up to the inboard of hand wheel (2), hand wheel (2) insert the one end of bull stick (4) through-hole (9), simultaneously it has round pin card (10) to insert on bull stick (4).

2. A corrosion resistant V-shaped eccentric compound butterfly plate type butterfly valve according to claim 1, wherein: screw holes (8) are formed in the edge of the connecting flange (3), and an integrated clamping seat (7) is welded to the edge of the top of the front surface of the connecting flange (3).

3. A corrosion resistant V-shaped eccentric compound butterfly plate type butterfly valve according to claim 2, wherein: two clamping seats (7) are symmetrically arranged on the surfaces of the two ends of the connecting flange (3), and the clamping seats (7) are of half circular ring structures.

4. A corrosion resistant V-shaped eccentric compound butterfly plate type butterfly valve according to claim 1, wherein: the handle (1) is sleeved with an anti-slip sleeve, and the anti-slip sleeve is provided with anti-slip bulges.

5. A corrosion resistant V-shaped eccentric compound butterfly plate type butterfly valve according to claim 1, wherein: one end of the rotating rod (4) is of a limiting rod structure.

6. A corrosion resistant V-shaped eccentric compound butterfly plate type butterfly valve according to claim 1, wherein: a pin hole is formed in one end of the rotating rod (4), the pin clamp (10) is installed in the pin hole in a limiting mode, and the hand wheel (2) passes through the pin clamp (10) limiting hole.