CN206539713U - A kind of plough groove type butterfly valve - Google Patents

Abstract

The utility model discloses a kind of plough groove type butterfly valve, including rectangle staving, the left and right ends of the rectangle staving are respectively equipped with water inlet pipe and outlet pipe, dividing plate is vertically arranged with the middle part of the rectangle staving, limbers is offered in the middle part of the dividing plate, the upper end of the rectangle staving, which is bolted, is provided with closure, the top of the closure is installed with water-sealed bearing, the inner ring inwall of the water-sealed bearing is welded with valve rod, the bottom outer wall of the valve rod is welded with flap, the flap is set for rectangular slab, and the left side wall of flap and the right side wall of dividing plate offset；The plough groove type butterfly valve, it is simple to operate, the anti-pressure ability of flap is substantially increased, good airproof performance, security performance is high, is adapted to large-scale promotion.

Description

A kind of plough groove type butterfly valve

Technical field

The utility model is related to valve technology field, specially a kind of plough groove type butterfly valve.

Background technology

Butterfly valve is called flap valve, is a kind of regulating valve simple in construction, what the switch available for low pressure pipeline medium was controlled Butterfly valve refers to closure member（Flap or butterfly plate）For disk, a kind of valve of open and close is reached around valve shaft rotation, valve can For controlling all kinds such as empty gas and water, steam, various Korrosionsmediums, mud, oil product, liquid metal and radiating medium The flowing of fluid.It is main on pipeline to play cut-out and throttling action.Butterfly valve opening and closing element is a discoidal butterfly plate, in valve body Rotated around the axis of its own, so as to reach the purpose for opening and closing or adjusting.

The flap of traditional plough groove type butterfly valve is that disk rotates to reach open and close around valve shaft, is closed in flap When, not against thing around flap, this pressure differential for resulting in flap both sides is acted directly on to be connected on valve rod with flap, such as Fruit pressure is excessive may to cause the damage of valve rod, and if flap is uneven in the impact lower stress of current, it is possible to occur Rotation, flow backwardses damage water pump, it is therefore desirable to improve.

Utility model content

The purpose of this utility model is to provide a kind of plough groove type butterfly valve, with asking for solving to propose in above-mentioned background technology Topic.

To achieve the above object, the utility model provides following technical scheme：A kind of plough groove type butterfly valve, including rectangular-shape barrel Body, the left and right ends of the rectangle staving, which are respectively equipped with the middle part of water inlet pipe and outlet pipe, the rectangle staving, to be vertically arranged with Limbers is offered in the middle part of dividing plate, the dividing plate, the upper end of the rectangle staving, which is bolted, is provided with closure, institute The top for stating closure is installed with water-sealed bearing, and the inner ring inwall of the water-sealed bearing is welded with valve rod, the valve rod Bottom outer wall is welded with flap, and the flap is set for rectangular slab, and the left side wall of flap and the right side wall of dividing plate offset.

It is preferred that, the top of the staving of the rectangle staving offers annular inserting groove, and the lower end of the closure is provided with Annular plugboard corresponding with annular inserting groove, the lower end of the annular plugboard is plugged on the inside of annular inserting groove.

It is preferred that, the lower end of the annular plugboard is set for tip shape.

It is preferred that, the left and right sides on the top of the valve rod is welded with the body of rod.

It is preferred that, the upper end of the closure, which is welded with to fasten, connects post, it is described fasten to connect post and fasten by back-moving spring with the body of rod connect.

It is preferred that, the inwall of the annular inserting groove is provided with rubber layer.

Compared with prior art, the beneficial effects of the utility model are：The plough groove type butterfly valve, it is simple to operate, greatly improve The anti-pressure ability of flap, good airproof performance, security performance is high, is adapted to large-scale promotion.

Brief description of the drawings

Fig. 1 is the utility model structural representation；

Fig. 2 is the utility model rectangle staving structural representation；

Fig. 3 is the utility model sealing cover structure schematic diagram.

In figure：1 rectangle staving, 2 water inlet pipes, 3 outlet pipes, 4 dividing plates, 5 limbers, 6 closures, 7 water-sealed bearings, 8 valve rods, 9 flaps, 10 annular inserting grooves, 11 annular plugboards, 12 bodies of rod, 13, which are fastened, connects post, 14 back-moving springs, 15 bolts.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.

Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：A kind of plough groove type butterfly valve, including rectangle staving 1, The left and right ends of the rectangle staving 1 are respectively equipped with water inlet pipe 2 and outlet pipe 3, and the middle part of the rectangle staving 1 is vertically arranged with Dividing plate 4, the middle part of the dividing plate 4 offers limbers 5, and the upper end of the rectangle staving 1 is installed with close by bolt 15 Capping 6, the top of the closure 6 is installed with water-sealed bearing 7, and the inner ring inwall of the water-sealed bearing 7 is welded with valve rod 8, the bottom outer wall of the valve rod 8 is welded with flap 9, and the flap 9 is set for rectangular slab, and the left side wall and dividing plate 4 of flap 9 Right side wall offset.

Specifically, the top of the staving of the rectangle staving 1 offers annular inserting groove 10, the lower end of the closure 6 Provided with annular plugboard 11 corresponding with annular inserting groove 10, the lower end of the annular plugboard 11 is plugged on annular inserting groove 10 Inside.Improve the stability and sealing of closure 6.

Specifically, the lower end of the annular plugboard 11 is set for tip shape.The lower end grafting of convenient annular plugboard 11 In the inside of annular inserting groove 10.

Specifically, the left and right sides on the top of the valve rod 8 is welded with the body of rod 12.Need to reverse valve rod 8 manually, pass through bar Body 12 is convenient to reverse valve rod 8.

Specifically, the upper end of the closure 6, which is welded with to fasten, connects post 13, and described fasten connects post 13 with the body of rod 12 by resetting bullet Spring 14, which is fastened, to be connect.When water pump is stopped, in the presence of the elastic force of back-moving spring 14, flap 9 is centered on valve rod 8 to left-handed Turn, limbers 5 is blocked.

Specifically, the inwall of the annular inserting groove 10 is provided with rubber layer.Improve sealing.

The plough groove type butterfly valve, connects water inlet pipe 2 with the water side of water pump when using, outlet pipe 3 and high water tower etc. Water inlet is connected, and operationally, flap 9 is to right rotation centered on valve rod 8 in the presence of current, and current pass through water flowing for water pump Hole 5, when water pump is stopped, in the presence of the elastic force of back-moving spring 14, flap 9, to anticlockwise, is incited somebody to action centered on valve rod 8 Limbers 5 is blocked, and now the right side wall of the left side wall of flap 9 and dividing plate 4 offsets, and substantially increases the anti-pressure ability of flap 9, peace Full performance is good；The lower end of annular plugboard 11 is plugged on the inside of annular inserting groove 10.Improve the stability of closure 6 and close Feng Xing；The lower end of annular plugboard 11 is set for tip shape, and the lower end of convenient annular plugboard 11 is plugged on annular inserting groove 10 Inside；Need to reverse valve rod 8 manually, valve rod 8 is reversed by the way that the body of rod 12 is convenient；When water pump is stopped, in back-moving spring In the presence of 14 elastic force, flap 9, to anticlockwise, limbers 5 is blocked centered on valve rod 8.Therefore the plough groove type butterfly valve, is grasped Make simple, substantially increase the anti-pressure ability of flap 9, good airproof performance, security performance is high, is adapted to large-scale promotion.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of plough groove type butterfly valve, including rectangle staving（1）, it is characterised in that：The rectangle staving（1）Left and right ends difference Provided with water inlet pipe（2）And outlet pipe（3）, the rectangle staving（1）Middle part be vertically arranged with dividing plate（4）, the dividing plate（4）'s Middle part offers limbers（5）, the rectangle staving（1）Upper end pass through bolt（15）It is installed with closure（6）, it is described Closure（6）Top be installed with water-sealed bearing（7）, the water-sealed bearing（7）Inner ring inwall be welded with valve rod（8）, The valve rod（8）Bottom outer wall be welded with flap（9）, the flap（9）Set for rectangular slab, and flap（9）Left side wall With dividing plate（4）Right side wall offset.

2. a kind of plough groove type butterfly valve according to claim 1, it is characterised in that：The rectangle staving（1）Staving top End offers annular inserting groove（10）, the closure（6）Lower end be provided with and annular inserting groove（10）Corresponding annular grafting Plate（11）, the annular plugboard（11）Lower end be plugged on annular inserting groove（10）Inside.

3. a kind of plough groove type butterfly valve according to claim 2, it is characterised in that：The annular plugboard（11）Lower end be Tip shape is set.

4. a kind of plough groove type butterfly valve according to claim 1, it is characterised in that：The valve rod（8）Top left and right two Side is welded with the body of rod（12）.

5. a kind of plough groove type butterfly valve according to claim 1 or 4, it is characterised in that：The closure（6）Upper end welding Fasten and connect post（13）, described fasten connect post（13）With the body of rod（12）Pass through back-moving spring（14）Fasten and connect.

6. a kind of plough groove type butterfly valve according to claim 2, it is characterised in that：The annular inserting groove（10）Inwall set There is rubber layer.