CN218377710U - Flange type electric butterfly valve - Google Patents

Abstract

The utility model discloses a flange formula electric butterfly valve, its structure includes: the bottom valve is mechanically connected with the driving box at the top, the controller is arranged on the driving box and connected with a wiring terminal of the motor through a wire, and a rod body in the middle of the hand wheel is arranged at the top of the driving box and mechanically connected with the bottom valve at the bottom through the driving box; has the advantages that: the utility model discloses general riser drives the closing plate and removes, and then changes the clearance of valve plate and valve body bottom, and the closing plate moves down when opening and clears up the sediment and has avoided impurity to cause the sealing washer wearing and tearing, and the valve plate has smoothly reduced the resistance more when opening simultaneously, and the closing plate rises again when the valve plate is closed and carries on spacingly to the valve plate, has improved the leakproofness.

Description

Flange type electric butterfly valve

Technical Field

The utility model relates to a flange formula electric butterfly valve belongs to the valve field.

Background

The butterfly valve has the advantages of simple structure, small volume, light weight, simple operation and good fluid control characteristic, only consists of a few parts, and can be quickly opened and closed only by rotating 90 degrees. The butterfly plate of butterfly valve installs in the diametral direction of pipeline, and when the flange butterfly valve was in the complete opening position, butterfly plate thickness was the only resistance when the medium flowed through the valve body, and consequently the produced pressure drop through this valve is very little, so has better flow control characteristic, and there is the sediment bottom the valve plate easily when current butterfly valve is closing, leads to the sealing washer and deposits the impurity friction in easily when opening, and then leads to the inside fish tail of valve body and makes the sealing washer damage.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a flange formula electric butterfly valve to solve current butterfly valve plate bottom when closing and deposit easily, lead to the sealing washer and deposit the impurity friction in easily when opening, and then lead to the problem that the inside fish tail of valve body and messenger's sealing washer damaged.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a flange formula electric butterfly valve, its structure includes: the bottom valve is mechanically connected with the driving box at the top, the controller is arranged on the driving box and connected with a wiring terminal of the motor through a wire, and a rod body in the middle of the hand wheel is arranged at the top of the driving box and is mechanically connected with the bottom valve at the bottom through the driving box;

the foot valve includes: the valve body is connected with the driving box through the connecting seat at the top, the sealing ring is sleeved on the outer edge of the valve plate, the valve body is movably connected with a main shaft of the valve plate, and the cleaning part is arranged at the bottom of the valve body and is in clearance fit with the bottom of a shaft lever of the valve plate.

Preferably, the cleaning part includes: drain pipe, water valve, underframe, closing plate, riser, fixed ear, the water valve is connected through the drain pipe with the outlet of underframe side, the closing plate is installed in the cell body of underframe through the riser of bottom, the closing plate middle part is equipped with the through-hole, and the axis swing joint through-hole and valve plate, the underframe is through the fixed ear of welded fastening in both sides and the mutual lock of valve body surface.

Preferably, the bottom of the valve body is provided with a slotted hole matched with the sealing plate, the gap of the bottom is controlled by the up-and-down movement of the sealing valve, when the valve needs to be opened, the sealing valve at the bottom moves down, so that water flow washes the bottom, and meanwhile, the resistance of opening and closing the valve plate is reduced.

Preferably, the lifter adopts an electric push rod structure and is connected with an internal control unit of the controller at the top through a wire, the inside of the lifter adopts a direct current motor to drive a reduction gear to control the sealing plate to move up and down along a movable shaft of the valve plate, and the lifter can be more conveniently controlled through the driving of the direct current motor and has a compact structure.

Preferably, the outer edge of the sealing plate is provided with more than two sealing rings, the sealing rings are nested in a gap between the sealing plate and the bottom frame, a sealing gasket is laid in a groove body at the top of the sealing plate, the sealing gasket at the top can be matched with the valve plate to improve the sealing performance, and the sealing plate is convenient to move up and down.

Preferably, the sealing plate is made of metal, so that the pressure resistance effect can be improved.

Advantageous effects

The utility model relates to a flange formula electric butterfly valve has following effect: the utility model discloses general riser drives the closing plate and removes, and then changes the clearance of valve plate and valve body bottom, and the closing plate moves down when opening and clears up the sediment and has avoided impurity to cause the sealing washer wearing and tearing, and the valve plate has smoothly reduced the resistance more when opening simultaneously, and the closing plate rises again when the valve plate is closed and carries on spacingly to the valve plate, has improved the leakproofness.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a flange type electric butterfly valve of the present invention.

Fig. 2 is a schematic cross-sectional view of the bottom valve of the present invention.

Fig. 3 is a schematic cross-sectional view of the cleaning portion of the present invention.

Fig. 4 is a schematic structural view of the connection between the cleaning part and the valve body.

In the figure: the device comprises a bottom valve-1, a driving box-2, a controller-3, a motor-4, a hand wheel-5, a valve body-11, a connecting seat-12, a valve plate-13, a sealing ring-14, a cleaning part-15, a drain pipe-151, a water valve-152, a bottom frame-153, a sealing plate-154, a lifter-155 and a fixing lug-156.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1 to 4, the present invention provides a flange type electric butterfly valve, which comprises: the structure includes: bottom valve 1, drive case 2, controller 3, motor 4, hand wheel 5, bottom valve 1 is connected with 2 mechanical connections of drive case at top, and controller 3 installs and is connected with motor 4's binding post through the wire at drive case 2, and the body of rod at 5 middle parts of hand wheel is installed at the top of drive case 2, and through 1 mechanical connection of bottom valve of drive case 2 and bottom, bottom valve 1 includes: the valve body 11 is connected with the driving box 2 through the connecting seat 12 at the top, the sealing ring 14 is sleeved on the outer edge of the valve plate 13, the valve body 11 is movably connected with a main shaft of the valve plate 13, and the cleaning part 15 is arranged at the bottom of the valve body 11 and is in clearance fit with the bottom of a shaft rod of the valve plate 13.

Preferably, the cleaning portion 15 includes: the water outlet pipe 151, the water valve 152, the bottom frame 153, the sealing plate 154, the lifter 155, the fixing lug 156, the water valve 152 is connected with the water outlet on the side of the bottom frame 153 through the water outlet pipe 151, the sealing plate 154 is installed in the trough body of the bottom frame 153 through the lifter 155 on the bottom, the middle part of the sealing plate 154 is provided with a through hole and is movably connected with the middle shaft of the valve plate 13 through the through hole, the bottom frame 153 is mutually buckled with the outer surface of the valve body 11 through the fixing lug 156 fixed on the two sides by welding, the bottom of the valve body 11 is provided with a slotted hole matched with the sealing plate 154, the gap on the bottom is controlled by the up-and-down movement of the sealing valve 154, when the valve needs to be opened, the sealing valve 154 on the bottom moves downwards to enable water flow to wash the bottom, meanwhile, the resistance of opening and closing of the valve plate 13 is reduced, the lifter 155 is of an electric push rod structure and is connected with an internal control unit of the controller 3 at the top through a wire, a direct-current motor is adopted inside the lifter 155 to drive a reduction gear to control the sealing plate 154 to move up and down along a movable shaft of the valve plate 13, the control can be more conveniently performed through the driving of the direct-current motor, the structure is compact, more than two sealing rings are arranged on the outer edge of the sealing plate 154, the sealing rings are embedded in a gap between the sealing plate 154 and the bottom frame 153, a sealing gasket is laid in a groove at the top of the sealing plate 154, the sealing gasket at the top can be matched with the valve plate 13 to improve the sealing performance, the up and down movement is facilitated, and the sealing plate 154 is made of metal and can improve the compression resistance effect.

The utility model discloses foretell riser 155 drives the closing plate 154 and removes, and then changes the clearance bottom valve plate 13 and valve body 11, and closing plate 154 moves down when opening and clears up the sediment and has avoided impurity to cause the sealing washer wearing and tearing, and valve plate 13 has more smoothly reduced the resistance when opening simultaneously, and closing plate 154 rises again when valve plate 13 is closed and carries on spacingly to valve plate 13, has improved the leakproofness.

When in use: the drive box 2 of the bottom valve 1 is used for connecting the motor 4 with the hand wheel 5, the controller 3 can be remotely driven to drive the motor 4 to open the valve plate 13, and the valve plate 13 can also be directly and manually opened through the hand wheel 5.

Because rivers do not flow for a long time when valve plate 13 is closed, and then a large amount of impurity can deposit in the junction of valve plate 13 and valve body 11, in-process sealing washer 14 that opens and shuts when valve plate 13 can rub with impurity, and then lead to sealing washer 14 impaired easily, the through-hole is seted up to this design in valve body 11 bottom, and seal through closing plate 154, closing plate 154 reciprocates through riser 155 control, when closing plate 154 moves down, the bottom produces the space, rivers flow through fast, erode the impurity of bottom, the resistance also can be littleer when motor 4 drives the rotation of valve plate 13 this moment.

And when sealing plate 154 moved down, in partial rivers can get into drain pipe 151 through the slotted hole of underframe 153 side, open water valve 152 this moment and just can take a sample and observe quality of water, sealing plate 154 can just rise when valve plate 13 is closed, through the sealed pad at sealing plate 154 top closely laminating with sealing washer 14, can improve the leakproofness greatly.

The foregoing has described only the basic principles and preferred embodiments of the present invention and many variations and modifications may be made by those skilled in the art in light of the foregoing description, which variations and modifications are intended to be within the scope of the invention.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. A flange formula electric butterfly valve, its structure includes: bottom valve (1), drive case (2), controller (3), motor (4), hand wheel (5), its characterized in that:

the bottom valve (1) is mechanically connected with the driving box (2) at the top, the controller (3) is arranged on the driving box (2) and is connected with a wiring terminal of the motor (4) through a lead, and the rod body in the middle of the hand wheel (5) is arranged at the top of the driving box (2) and is mechanically connected with the bottom valve (1) at the bottom through the driving box (2);

the foot valve (1) comprises: valve body (11), connecting seat (12), valve plate (13), sealing washer (14), clean portion (15), valve body (11) are connected with drive box (2) through connecting seat (12) at top, sealing washer (14) registrate is along the outer of valve plate (13), valve body (11) and the main shaft swing joint of valve plate (13), clean portion (15) are installed in the bottom of valve body (11) to with the bottom clearance fit of valve plate (13) axostylus axostyle.

2. The flange-type electric butterfly valve of claim 1, wherein: the cleaning section (15) includes: drain pipe (151), water valve (152), underframe (153), closing plate (154), riser (155), fixed ear (156), water valve (152) are connected with the outlet of underframe (153) side through drain pipe (151), install in the cell body of underframe (153) lifter (155) through the bottom closing plate (154), closing plate (154) middle part is equipped with the through-hole, and passes through the axis swing joint of through-hole with valve plate (13), underframe (153) are through fixed ear (156) and the mutual lock of valve body (11) surface of welded fastening in both sides.

3. The flange-type electric butterfly valve of claim 1, wherein: the bottom of the valve body (11) is provided with a slotted hole matched with the sealing plate (154).

4. A flange-type electric butterfly valve according to claim 2, characterized in that: the lifter (155) adopts an electric push rod structure and is connected with an internal control unit of the controller (3) at the top through a lead.

5. A flange-type electric butterfly valve according to claim 2, wherein: the outer edge of the sealing plate (154) is provided with more than two sealing rings which are nested in a gap between the sealing plate (154) and the bottom frame (153), and a sealing gasket is laid in a groove body at the top of the sealing plate (154).

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