CN213451739U - Butterfly valve for sewage discharge - Google Patents

Abstract

The utility model relates to a sewage discharge technical field especially relates to a butterfly valve for sewage discharge, which comprises a valve body, the inside of valve body is provided with control mechanism, there is the drain pipe one side of valve body through installation mechanism and inlet tube intercommunication and the opposite side intercommunication of valve body, the inside of inlet tube has from left to right set gradually filtering mechanism, cleans mechanism and mechanism that opens and shuts, filtering mechanism includes the inside filter screen of vertical cartridge at the inlet tube, the inlet tube below intercommunication that the valve body one side was kept away from to the filter screen has the blow off pipe, the one end outside thread bush that the inlet tube was kept away from to the blow off pipe is equipped with the baffle. The utility model discloses a set up filtering mechanism, be convenient for filter the impurity in the sewage, can carry out periodic cleaning to the impurity that filters, avoid impurity to cause wearing and tearing to the surface of butterfly plate, reduce the life of butterfly valve, under the mechanism of opening and shutting and cleaning mutually supporting of mechanism, can clear up the filter screen, avoid the filter screen to take place to block up, influence the water yield.

Description

Butterfly valve for sewage discharge

Technical Field

The utility model relates to a sewage discharge technical field especially relates to a butterfly valve for sewage discharge.

Background

A butterfly valve, also called a flap valve, is a regulating valve with a simple structure, can be used for on-off control of low-pressure pipeline media, and is a valve, the closing part of which is a disk 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 butterfly valve mainly plays a role in cutting off and throttling on a pipeline, a filtering system is not arranged in the existing butterfly valve for sewage discharge, impurities doped in water enable the butterfly plate to be easily abraded when the butterfly plate rotates, and the service life of the butterfly valve is shortened.

Disclosure of Invention

The utility model aims at solving the problem that impurities in sewage can not be filtered in the prior art, and providing a butterfly valve for sewage discharge.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a butterfly valve for sewage discharge, includes the valve body, the inside of valve body is provided with control mechanism, there is the drain pipe one side of valve body through installation mechanism and inlet tube intercommunication and the opposite side intercommunication of valve body, the inside of inlet tube has from left to right set gradually filtering mechanism, cleans mechanism and opening and shutting mechanism, filtering mechanism includes vertical cartridge at the inside filter screen of inlet tube, the filter screen is kept away from the inlet tube below intercommunication of valve body one side and is had the blow off pipe, the one end outside thread bush that the inlet tube was kept away from to the blow off pipe is equipped with the baffle the equal vertical cover in the both ends outside of drain pipe is equipped with the joint No. one of them one No. connect.

Preferably, control mechanism includes that vertical rotation connects the butterfly plate in the valve body inside, butterfly plate and mechanism sliding connection that opens and shuts, the vertical rotation axis of being connected with the valve body rotation that is connected in top of butterfly plate, the one end horizontally connect who keeps away from the butterfly plate of rotation axis has the handle, the upper surface vertical of valve body is connected with two stoppers with handle looks adaptation.

Preferably, the installation mechanism comprises a second connector vertically connected to the outer sides of the two ends of the water inlet pipe, and a plurality of bolts are inserted in the outer sides of the second connector and the first connector close to the water inlet pipe at equal intervals by taking the water inlet pipe as a circle center.

Preferably, the opening and closing mechanism comprises a fixed plate which is vertically inserted into the water inlet pipe and is close to the inside of one end of the valve body, one surface of the fixed plate, which is far away from the valve body, is horizontally connected with a U-shaped plate, the fixed plate and the U-shaped plate are jointly slidably connected with a movable plate matched with the fixed plate, and the outer sides of the movable plates are symmetrically provided with reset mechanisms.

Preferably, canceling release mechanical system is including connecting the slider in the fly leaf outside, the inside common level of fixed plate and U template is seted up with the spout of slider looks adaptation, the inside spout of fixed plate is close to the one end horizontally connect of valve body has with slider fixed connection's spring.

Preferably, clean the mechanism and include two connecting rods of horizontal connection at the fly leaf near the blow off pipe one side, two the common vertical ring that is connected with of one end that the fly leaf was kept away from to the connecting rod the U template is close to the one side rotation of ring and is connected with the hob with ring sliding connection, the one end vertical connection that the U template was kept away from to the hob has the brush that contacts with the filter screen.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a set up opening and closing that control mechanism can control the butterfly valve, through setting up filtering mechanism, be convenient for filter the impurity in the sewage, can regularly clear up the impurity that filters, avoid impurity to cause wearing and tearing to the surface of butterfly plate, reduce the life of butterfly valve, under the mechanism of opening and shutting and cleaning mutually supporting of mechanism, can clear up the filter screen, avoid the filter screen to take place to block up, influence the water yield, through setting up installation mechanism, be convenient for dismantle the part that drives the butterfly plate, change the sealing washer in the butterfly plate outside, under the cooperation of the mechanism of opening and shutting, when dismantling the butterfly plate, need not dry the log raft of pipeline inside, the efficiency of changing the sealing washer is improved.

Drawings

FIG. 1 is a schematic structural view of a butterfly valve for discharging sewage according to the present invention;

FIG. 2 is a sectional view of a portion of the butterfly valve for discharging sewage according to the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;

FIG. 4 is an exploded view of a portion of the butterfly valve for discharging sewage according to the present invention;

fig. 5 is a schematic view of the local structure of the butterfly valve for sewage discharge according to the present invention.

In the figure: 1. a valve body; 2. a water inlet pipe; 3. a blow-off pipe; 4. a baffle plate; 5. a first connector; 6. a second joint; 7. a bolt; 8. a drain pipe; 9. a butterfly plate; 10. a rotating shaft; 11. a handle; 12. a limiting block; 13. a fixing plate; 14. a U-shaped plate; 15. a chute; 16. a movable plate; 17. a slider; 18. a spring; 19. a connecting rod; 20. a circular ring; 21. a screw rod; 22. a brush; 23. and (5) filtering by using a filter screen.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-5, the butterfly valve for sewage discharge comprises a valve body 1, a control mechanism is arranged inside the valve body 1, the control mechanism comprises a butterfly plate 9 vertically and rotatably connected inside the valve body 1, the butterfly plate 9 is slidably connected with an opening and closing mechanism, a rotating shaft 10 rotatably connected with the valve body 1 is vertically connected above the butterfly plate 9, one end of the rotating shaft 10 far away from the butterfly plate 9 is horizontally connected with a handle 11, and two limiting blocks 12 matched with the handle 11 are vertically connected on the upper surface of the valve body 1; drive rotation axis 10 through rotating handle 11 and rotate for butterfly plate 9 can rotate, reaches the effect of opening and closing, through setting up stopper 12, plays certain limiting displacement to handle 11, avoids butterfly plate 9 turned angle too big, and the leakproofness is not good enough when leading to closing.

One side of the valve body 1 is communicated with the water inlet pipe 2 through an installation mechanism, the other side of the valve body 1 is communicated with a water outlet pipe 8, the installation mechanism comprises a second connector 6 which is vertically connected to the outer sides of two ends of the water inlet pipe 2, and a plurality of bolts 7 are commonly and equidistantly inserted between one second connector 6 and the outer side of a first connector 5 close to the water inlet pipe 2 by taking the water inlet pipe 2 as a circle center; through setting up No. one and connecting 5 and No. two and connect 6, under the effect of bolt 7, No. one connects 5 and No. two and connects 6 and also can dismantle together, be convenient for after the sealing washer in the butterfly plate 9 outside is worn and torn, dismantle the part that will have butterfly plate 9 from valve body 1, replace the sealing washer in the butterfly plate 9 outside, under the mutually supporting of mechanism that opens and shuts, make butterfly plate 9 after dismantling, water also can not flow from inlet tube 2, make the water drainage that need not be inside the pipeline dry when replacing the sealing washer.

The inside of the water inlet pipe 2 is sequentially provided with a filtering mechanism, a cleaning mechanism and an opening and closing mechanism from left to right, the filtering mechanism comprises a filter screen 23 vertically inserted in the water inlet pipe 2, the lower part of the water inlet pipe 2, which is far away from one side of the valve body 1, of the filter screen 23 is communicated with a drain pipe 3, the outer side of one end, which is far away from the water inlet pipe 2, of the drain pipe 3 is sheathed with a baffle 4 in a threaded manner, the outer sides of two ends of a drain pipe 8 are vertically sheathed with a connector 5, one connector 5 is fixedly connected with an installation mechanism, the opening and closing mechanism comprises a fixed plate 13 vertically inserted in the water inlet pipe 2, which is close to the inside of one end of the valve body 1, one side, which is far away from the valve body 1, of the fixed plate 13 is horizontally connected with a U-shaped plate, the inner parts of the fixed plate 13 and the U-shaped plate 14 are jointly horizontally provided with a sliding chute 15 matched with the sliding block 17, one end, close to the valve body 1, of the sliding chute 15 in the fixed plate 13 is horizontally connected with a spring 18 fixedly connected with the sliding block 17, the cleaning mechanism comprises two connecting rods 19 horizontally connected to one side, close to the sewage discharge pipe 3, of the movable plate 16, one ends, far away from the movable plate 16, of the two connecting rods 19 are jointly and vertically connected with a circular ring 20, one side, close to the circular ring 20, of the U-shaped plate 14 is rotatably connected with a spiral rod 21 in sliding connection with the circular ring 20, and one end, far away from the U-shaped; butterfly plate 9 is in the pivoted, under the mutually supporting of spout 15 and slider 17, promote fly leaf 16 and remove in the inside of U template 14, under connecting rod 19 and ring 20's effect, it rotates to drive hob 21, thereby it is rotatory to drive brush 22, clean filter screen 23, prevent that filter screen 23 from taking place to block up, can filter the impurity in the sewage through setting up filter screen 23, impurity after the filtration is located the inside of blow off pipe 3, can regularly clear up impurity under the effect of baffle 4, avoid impurity to cause wearing and tearing to the surface of butterfly plate 9, influence the life of butterfly valve.

The working principle is as follows: can control to open and close through setting up control mechanism, under the cooperation of mechanism that opens and shuts, the butterfly valve drives fly leaf 16 at the pivoted in-process and removes, under the effect of cleaning the mechanism, fly leaf 16 drives ring 20 and removes thereby drive hob 21 and rotate, make brush 22 can clear up the surface of filter screen 23, it takes place to block up to place filter screen 23, through setting up filter mechanism, be convenient for filter impurity such as the aquatic pea gravel, avoid impurity to cause wearing and tearing to the surface of butterfly plate 9, thereby the life of butterfly valve has been reduced, through setting up installation mechanism, be convenient for dismantle the part that will drive butterfly plate 9 from the butterfly valve, make the replacement to butterfly plate 9 outside sealing washer more convenient.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A butterfly valve for sewage discharge comprises a valve body (1) and is characterized in that a control mechanism is arranged inside the valve body (1), one side of the valve body (1) is communicated with the water inlet pipe (2) through the mounting mechanism, the other side of the valve body (1) is communicated with the water outlet pipe (8), the interior of the water inlet pipe (2) is sequentially provided with a filtering mechanism, a cleaning mechanism and an opening and closing mechanism from left to right, the filtering mechanism comprises a filter screen (23) which is vertically inserted in the water inlet pipe (2), a sewage discharge pipe (3) is communicated below the water inlet pipe (2) on one surface of the filter screen (23) far away from the valve body (1), a baffle (4) is sleeved outside the outer side of one end of the sewage draining pipe (3) far away from the water inlet pipe (2) in a threaded manner, the outer sides of the two ends of the drain pipe (8) are vertically sleeved with a connector (5), and one of the connectors (5) is fixedly connected with the mounting mechanism.

2. The butterfly valve for sewage discharge according to claim 1, wherein the control mechanism comprises a butterfly plate (9) vertically and rotatably connected inside the valve body (1), the butterfly plate (9) is slidably connected with the opening and closing mechanism, a rotating shaft (10) rotatably connected with the valve body (1) is vertically connected above the butterfly plate (9), a handle (11) is horizontally connected to one end of the rotating shaft (10) far away from the butterfly plate (9), and two limit blocks (12) matched with the handle (11) are vertically connected to the upper surface of the valve body (1).

3. The butterfly valve for sewage discharge according to claim 1, wherein the mounting mechanism comprises a second connector (6) vertically connected to the outer side of the two ends of the water inlet pipe (2), wherein a plurality of bolts (7) are commonly inserted in the outer side of the first connector (5) close to the water inlet pipe (2) at equal intervals by taking the water inlet pipe (2) as a circle center, and one of the second connector (6) and the first connector (5) are inserted in the outer side of the water inlet pipe (2).

4. The butterfly valve for sewage discharge according to claim 2, wherein the opening and closing mechanism comprises a fixed plate (13) vertically inserted into one end of the water inlet pipe (2) close to the valve body (1), one surface of the fixed plate (13) far away from the valve body (1) is horizontally connected with a U-shaped plate (14), the fixed plate (13) and the U-shaped plate (14) are jointly and slidably connected with a movable plate (16) matched with the fixed plate (13), and the outer sides of the movable plate (16) are symmetrically provided with a resetting mechanism.

5. The butterfly valve for sewage discharge according to claim 4, wherein the reset mechanism comprises a sliding block (17) connected to the outer side of the movable plate (16), the fixed plate (13) and the U-shaped plate (14) are jointly horizontally provided with a sliding groove (15) matched with the sliding block (17), and one end of the sliding groove (15) inside the fixed plate (13) close to the valve body (1) is horizontally connected with a spring (18) fixedly connected with the sliding block (17).

6. The butterfly valve for sewage discharge according to claim 5, wherein the cleaning mechanism comprises two connecting rods (19) horizontally connected to one side of the movable plate (16) close to the sewage discharge pipe (3), one ends of the two connecting rods (19) far away from the movable plate (16) are vertically connected with a circular ring (20) together, one side of the U-shaped plate (14) close to the circular ring (20) is rotatably connected with a screw rod (21) in sliding connection with the circular ring (20), and one end of the screw rod (21) far away from the U-shaped plate (14) is vertically connected with a brush (22) in contact with a filter screen (23).

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