CN214248314U

CN214248314U - Wafer type butterfly valve for remotely monitoring sealing performance

Info

Publication number: CN214248314U
Application number: CN202022746041.9U
Authority: CN
Inventors: 王营军
Original assignee: Tianjin Dongyi Taohong Intelligent Control Equipment Co Ltd
Current assignee: Tianjin Dongyi Taohong Intelligent Control Equipment Co Ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-09-21
Anticipated expiration: 2030-11-24

Abstract

The utility model discloses a wafer butterfly valve for remote monitoring sealing performance, which comprises a ceramic valve plate and a mechanical rotation box, wherein the rotation input end of the mechanical rotation box is movably connected with a hand wheel through a rotating shaft, the upper end surface of the mechanical rotation box is provided with an angle gauge, one side end surface of the mechanical rotation box is provided with a control panel, the control panel is electrically connected with a touch screen, one side of the touch screen is electrically provided with a signal transmission module, the rotation output end below the mechanical rotation box is vertically connected with a valve rod through a fixing nut, the ceramic valve plate is horizontally welded on the valve rod, the outer end of the ceramic valve plate is wrapped with a ceramic gasket, the outer end of the ceramic gasket is tightly connected with a valve frame through a polytetrafluoroethylene sealing ring, the polytetrafluoroethylene sealing ring and the middle of the valve frame are fixedly provided with a plurality of pressure sensors, the upper side and the lower, the utility model discloses can remote monitoring leakproofness, have the advance, be suitable for the popularization.

Description

Wafer type butterfly valve for remotely monitoring sealing performance

Technical Field

The utility model relates to a butterfly valve specifically is a wafer formula butterfly valve of remote monitoring leakproofness.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. 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 butterfly valve has the advantages of simple structure, small volume, light weight, less material consumption, small installation size, small driving moment, simple and convenient operation and rapidness, and simultaneously has good flow regulation function and sealing closing characteristic, thereby being one of the fastest valve varieties developed in the last ten years. Butterfly valves are widely used. The variety and number of uses thereof are still continuously expanding and are developing toward high temperature, high pressure, large caliber, high sealing property, long life, excellent regulation property, and one-valve multi-function. The reliability and other performance indexes of the composite material reach higher levels.

However, the butterfly valve in the current market does not have the function of remotely monitoring whether the butterfly valve is tightly closed, if the valve disc is aged, the sealing performance is reduced, and online monitoring cannot be realized, so that safety accidents are caused in life or industrial use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wafer formula butterfly valve of remote monitoring leakproofness to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a wafer butterfly valve for remotely monitoring sealing performance comprises a ceramic valve plate and a mechanical rotating box, wherein a rotating input end of the mechanical rotating box is movably connected with a hand wheel through a rotating shaft, an angle gauge is arranged on the upper end face of the mechanical rotating box, a control panel is arranged on one side end face of the mechanical rotating box, a touch screen is electrically connected onto the control panel, a signal transmission module is electrically arranged on one side of the touch screen, a rotating output end below the mechanical rotating box is vertically connected with a valve rod through a fixing nut, the ceramic valve plate is horizontally welded onto the valve rod, a ceramic gasket is wrapped at the outer end of the ceramic valve plate, a valve frame is tightly connected at the outer end of the ceramic gasket through a polytetrafluoroethylene sealing ring, a plurality of pressure sensors are fixedly arranged between the polytetrafluoroethylene sealing ring and the valve frame, and an operating plate is integrally connected to the upper side and the lower side of the valve frame, the operating plate is provided with an operating hole, and the lower end of the valve rod penetrates through the valve frame and is connected with a valve seat through a threaded end.

Preferably, the valve rod with be protruding formula integrative welding between the ceramic valve plate, the area of contact of increase face of cylinder improves the firmness of device.

Preferably, the valve rod penetrates through a plurality of main fixing external members and is welded on the back of the ceramic valve plate, and stability is further enhanced.

Preferably, the outer end of the main fixing external member extends out and is welded with a plurality of triangular fixing members, and the triangular stability is strongest.

Preferably, the pressure sensor is electrically connected with the signal transmission module through a wire, so that remote data transmission of pressure is realized, and the tightness can be remotely monitored.

Preferably, a plurality of flange mounting holes are formed in the valve frame at equal intervals, so that flange mounting is facilitated.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a wafer formula butterfly valve of remote monitoring leakproofness, the utility model discloses a pressure sensor and the signal transmission module that set up can detect the pressure between ceramic valve plate and the valve frame, judge from this whether closely close of ceramic valve plate, pass through signal transmission module simultaneously with this pressure signal remote transmission to outside computer, through the contrast with the default of pressure sensor when zonulae occludens, just can clear control the utility model discloses a leakproofness, and polytetrafluoroethylene sealing washer and ceramic packing ring through setting up provides thereby double-deck elastic seal relation further improves the utility model discloses a leakproofness. And the polytetrafluoroethylene gasket has stable chemical properties and strong corrosion resistance, so the polytetrafluoroethylene gasket has long service life, long service life and good application prospect, and is worthy of popularization, and frequent replacement is not required.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is the back structure schematic diagram of the ceramic valve plate of the present invention.

In the figure: 1-a control panel; 2-touch screen; 3-a signal transmission module; 4-fixing the nut; 5-an operation panel; 6-valve stem; 7-flange mounting holes; 8-an operation hole; 9-valve seat; 10-a rotating shaft; 11-a hand wheel; 12-a ceramic valve plate; 13-polytetrafluoroethylene sealing ring; 14-a pressure sensor; 15-an angle gauge; 16-a mechanical rotation box; 17-a ceramic gasket; 18-a primary fixation kit; 19-a triangular fixing member; 20-a threaded end; 21-valve frame.

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. 1-2, the present invention provides a technical solution: the utility model provides a wafer formula butterfly valve of remote monitoring leakproofness, includes ceramic valve plate 12 and mechanical rotation box 16, machinery rotates box 16 and rotates the input and has hand wheel 11 through pivot 10 swing joint, machinery rotates box 16 up end and is provided with angle gauge 15, machinery is rotated and is provided with control panel 1 on the 16 side end face of box, electric connection has touch screen 2 on control panel 1, touch screen 2 one side electric property is provided with signal transmission module 3, machinery rotates box 16 below and rotates the output and is connected with valve rod 6 through fixation nut 4 is perpendicular, the welding of level is gone up to valve rod 6 has ceramic valve plate 12, pottery valve plate 12 outer end cladding has ceramic packing ring 17, the outer end of ceramic packing ring 17 closely is connected with valve frame 21 through polytetrafluoroethylene sealing washer 13, polytetrafluoroethylene sealing washer 13 with a plurality of pressure sensor 14 of fixed mounting in the middle of valve frame 21, the upper side and the lower side of the valve frame 21 are both integrally connected with an operating plate 5, an operating hole 8 is formed in the operating plate 5, and the lower end of the valve rod 6 penetrates through the valve frame 21 and is connected with a valve seat 9 through a threaded end 20.

Valve rod 6 with be the integrative welding of convex formula between the ceramic valve plate 12, the area of contact of increase face of cylinder, improve the tightness of device, valve rod 6 runs through the welding of a plurality of main fixed external member 18 in ceramic valve plate 12 back further strengthens the steadiness, the welding is stretched out to main fixed external member 18 outer end has a plurality of triangle mounting 19, and triangle-shaped stability is strongest, pressure sensor 14 passes through wire electric connection signal transmission module 3 realizes the remote data transmission of pressure, can remote monitoring leakproofness, a plurality of flange mounting hole 7 has been seted up to equidistant on valve frame 21, the flange mounting of being convenient for.

The working principle is as follows: the utility model relates to a wafer butterfly valve of remote monitoring leakproofness, during the use, the operating personnel is through rotating hand wheel 11, hand wheel 11 pivoted angle is through pivot 10 even axle transmission to mechanical rotation box 16 in, mechanical rotation box 16 is inside to drive valve rod 6 through gear engagement, thereby realize that ceramic valve plate 12 wafer-like opens double aperture, flow efficiency improves, after shutoff ceramic valve plate 12, the operating personnel observes hand wheel 11 through angle gauge 15 and rotates the angle and return to zero, but because mechanical rotation appears the device ageing, angle gauge 15 appears the error, consequently detect the pressure value between ceramic valve plate 12 and valve frame 21 through pressure sensor 14, judge whether closely connected between the two, pressure sensor 14 passes through the data line with pressure signal transmission module 3 remote transmission to the external computer simultaneously, the staff can compare this pressure value with the initial value, just can remote monitoring the utility model discloses a leakproofness.

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. The utility model provides a wafer formula butterfly valve of remote monitoring leakproofness which characterized in that: the mechanical rotary valve comprises a ceramic valve plate (12) and a mechanical rotary box (16), wherein the mechanical rotary box (16) is provided with a rotary input end which is movably connected with a hand wheel (11) through a rotary shaft (10), an angle device (15) is arranged on the upper end face of the mechanical rotary box (16), a control panel (1) is arranged on one side end face of the mechanical rotary box (16), a touch screen (2) is electrically connected onto the control panel (1), a signal transmission module (3) is electrically arranged on one side of the touch screen (2), a rotary output end below the mechanical rotary box (16) is vertically connected with a valve rod (6) through a fixing nut (4), the ceramic valve plate (12) is horizontally welded onto the valve rod (6), a ceramic gasket (17) is wrapped at the outer end of the ceramic valve plate (12), and a valve frame (21) is tightly connected to the outer end of the ceramic gasket (17) through a polytetrafluoroethylene sealing ring (13), polytetrafluoroethylene sealing washer (13) with fixed mounting has a plurality of pressure sensor (14) in the middle of valve frame (21), the equal body coupling in both sides has operation panel (5) about valve frame (21), operation hole (8) have been seted up on operation panel (5), valve rod (6) lower extreme runs through valve frame (21) are connected with disk seat (9) through screw thread end (20).

2. The wafer-type butterfly valve for remotely monitoring the tightness according to claim 1, wherein: the valve rod (6) and the ceramic valve plate (12) are welded in a protruding mode.

3. The wafer-type butterfly valve for remotely monitoring the tightness according to claim 1, wherein: the valve rod (6) penetrates through a plurality of main fixing kits (18) and is welded to the back of the ceramic valve plate (12).

4. The wafer-type butterfly valve of claim 3, wherein said butterfly valve further comprises: the outer end of the main fixing suite (18) is welded with a plurality of triangular fixing pieces (19) in an extending mode.

5. The wafer-type butterfly valve for remotely monitoring the tightness according to claim 1, wherein: the pressure sensor (14) is electrically connected with the signal transmission module (3) through a lead.

6. The wafer-type butterfly valve for remotely monitoring the tightness according to claim 1, wherein: a plurality of flange mounting holes (7) are formed in the valve frame (21) at equal intervals.