CN207421338U - A kind of diaphragm mud-discharge valve - Google Patents

A kind of diaphragm mud-discharge valve Download PDF

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Publication number
CN207421338U
CN207421338U CN201721470855.6U CN201721470855U CN207421338U CN 207421338 U CN207421338 U CN 207421338U CN 201721470855 U CN201721470855 U CN 201721470855U CN 207421338 U CN207421338 U CN 207421338U
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valve
valve body
diaphragm
flap
mud
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CN201721470855.6U
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Chinese (zh)
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王远标
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Individual
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Individual
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Abstract

The utility model discloses a kind of diaphragm mud-discharge valves,Including upper valve body,Lower valve body,Elastic diaphragm,Valve shaft,Top board,Lower platen,Connecting pole,Valve seat,Flap and resetting spring,Upper valve body is vertically connected with lower valve body and surrounds pressure cavities,Elastic diaphragm is arranged between upper valve body and lower valve body and pressure cavities is divided into the upper cavity arranged up and down,Lower chamber,Upper valve body surface is equipped with valve closing import,The valve opening import of lower valve body surface,Elastic diaphragm upper surface is provided with top board,Elastic diaphragm lower surface is provided with lower platen,The central through hole that valve shaft upper end is equipped with through lower valve body lower end successively with lower platen,Elastic diaphragm,Top board connects,Valve shaft lower end is connected with flap,Flap and valve seat contact seal,Valve seat is connected by connecting pole with lower valve body,Resetting spring is sleeved on outside valve shaft and arranged between lower valve body and flap,Resetting spring is in compressive state;The utility model closed performance is good.

Description

A kind of diaphragm mud-discharge valve
Technical field
The utility model belongs to mud valve technical field, is specifically related to a kind of diaphragm mud-discharge valve.
Background technology
Mud valve is mainly used for urban water plant, the sedimentation basin bottom reason discharge sludge of sewage treatment plant, traditional mud valve It is made of valve body, piston, valve rod, flap, by the axial movement of hydraulic strip piston and valve rod along valve rod, so as to ovable valve stem The flap closure or openness of the other end, by analysis, traditional mud valve can generate mechanical wear, cause its service life It is short.
Chinese utility model patent《A kind of mud valve》(publication number:204114306U;Publication date 2015-01-21) in it is public A kind of mud valve is opened, including valve body, valve rod, valve deck and the valve plate arranged on valve rod lower end, valve body is equipped with mud discharging mouth, valve plate It is matched with mud discharging mouth;The mud valve further include the cylinder sleeve that is arranged at valve inner and with the matching used piston of cylinder sleeve, valve Bar is arranged in piston and cylinder sleeve;By analysis, unlatching and closure by the motion control of the piston mud valve so that Mud valve generates mechanical wear.
The content of the invention
In view of this, the purpose of this utility model is to provide a kind of diaphragm mud-discharge valve, by elastic diaphragm set by Pressure cavities are divided into the upper cavity arranged up and down, lower chamber, by the upward inside cavity charged pressure medium of valve opening import, make Valve shaft move upwards until flap separated with valve seat, so as to fulfill the unlatching of the utility model, mud discharging can be carried out;By closing The downward inside cavity charged pressure medium of valve import makes valve shaft move downward up to flap and valve seat contact seal, so as to fulfill The closing of the utility model;During being somebody's turn to do, elastic diaphragm is instead of traditional piston so that the utility model will not generate machine Tool is worn;In addition, since resetting spring upper end props up lower valve body, resetting spring lower end props up flap, and resetting spring is in Compressive state, making the utility model, the elastic force of resetting spring makes flap automatically reset under abnormal operation, reaches sealing effect Fruit.
In order to achieve the above object, a kind of diaphragm mud-discharge valve of the utility model, including upper valve body, lower valve body, elasticity every Diaphragm, valve shaft, top board, lower platen, connecting pole, valve seat, flap and resetting spring, the upper valve body are arranged up and down with lower valve body And the two is bolted and surrounds pressure cavities, elastic diaphragm is arranged between upper valve body and lower valve body and by pressure cavities The upper cavity arranged up and down, lower chamber are divided into, upper valve body surface is equipped with the valve closing import connected with upper cavity, lower valve body surface Equipped with the valve opening import connected with lower chamber, lower valve body lower end is equipped with central through hole, and elastic diaphragm upper surface is provided with pressure Plate, elastic diaphragm lower surface are provided with lower platen, valve shaft upper end through central through hole successively with lower platen, elastic diaphragm, Top board connects, and valve shaft lower end is connected with flap, and flap and valve seat contact seal, valve seat are connected by connecting pole with lower valve body, Resetting spring is sleeved on outside valve shaft, and resetting spring upper end props up lower valve body, and resetting spring lower end props up flap, at resetting spring In compressive state.
Further, the central through hole internal circular surfaces are equipped with the lubricant grease accumulator tank being coaxial therewith.
Further, the central through hole internal circular surfaces are equipped with the groove being coaxial therewith, and groove is for 3 and axial successively along it It arranges, is both provided with O-ring seal in any groove, O-ring seal contacts sealing with valve shaft.
Further, the lubricant grease accumulator tank there are one being set between described two neighboring groove.
Further, the flap outer surface is coated with rubber layer.
Further, the valve shaft upper end is equipped with the cylindrical boss upwardly extended, and cylindrical boss is equipped with external screw thread, pushes Plate, elastic diaphragm, top board are equipped with the first through hole passed through for cylindrical boss, are bolted with outside cylindrical boss anti- Pine thickeies nut, and locking thickening nut lower end compresses top board.
Further, the elastic diaphragm has circular egative film, the annular side upwardly extended along circular egative film outer rim, edge The outwardly extending horizontal shade in annular side upper end, annular side upper end diameter are more than its lower end diameter, and horizontal shade is clamped in Between upper valve body, lower valve body, horizontal shade is equipped with the second through hole passed through for bolt.
Further, the elastic diaphragm is thickening nitrile rubber diaphragm.
The beneficial effects of the utility model are:
1. a kind of diaphragm mud-discharge valve of the utility model is by elastic diaphragm instead of traditional piston so that this practicality It is new to generate mechanical wear;Meanwhile the utility model, under abnormal operation, abnormal operation refers to that this practicality is new When type is applied to water factory pond, runs into and cut off the water, stop pressure or solenoid valve matching used with the utility model damage repair, reset The elastic force of spring makes flap automatically reset, and reaches sealing effect, avoids water factory's pond leak, so as to reduce the loss of owner.
2. a kind of diaphragm mud-discharge valve of the utility model stores lubricant grease by lubricant grease accumulator tank, move valve shaft It is more smoothly.
3. a kind of diaphragm mud-discharge valve of the utility model in central through hole internal circular surfaces by setting 3 grooves, any recessed O-ring seal is both provided in slot, O-ring seal contacts sealing with valve shaft, is effectively guaranteed between lower valve body and valve shaft Leakproofness.
Between 4. lubricant grease accumulator tank is arranged on two neighboring groove by a kind of diaphragm mud-discharge valve of the utility model, prevent Only lubricant grease overflows.
Description of the drawings
In order to make the purpose of this utility model, technical solution and advantageous effect clearer, the utility model provides as follows Attached drawing illustrates:
Fig. 1 is a kind of front section view of diaphragm mud-discharge valve of the utility model;
Fig. 2 is the enlarged diagram at A in Fig. 1;
Reference numeral:1- upper valve bodies;2- lower valve bodies;3- elastic diaphragms;4- valve shafts;5- top boards;6- lower platens;7- connects Connect column;8- valve seats;9- flaps;10-O type sealing rings;11- lubricant grease accumulator tanks;The locking thickening nuts of 12-;13- resets bullet Spring.
Specific embodiment
Below in conjunction with attached drawing, the preferred embodiment of the utility model is described in detail.
As shown in Figure 1 to Figure 2;A kind of diaphragm mud-discharge valve of the utility model, including upper valve body 1, lower valve body 2, elasticity every Diaphragm 3, valve shaft 4, top board 5, lower platen 6, connecting pole 7, valve seat 8, flap 9 and resetting spring 13.Upper valve body 1 and lower valve body 2 It arranges up and down and the two is bolted and surrounds pressure cavities;Preferably, upper valve body 1 and the material of lower valve body 2 use Spheroidal graphite cast-iron.Elastic diaphragm 3 is arranged between upper valve body 1 and lower valve body 2 and pressure cavities is divided into the epicoele arranged up and down Body, lower chamber;Preferably, for elastic diaphragm 3 to thicken nitrile rubber diaphragm, thickness 10mm, pressure reaches 4.0mpa;Bullet Property diaphragm 3 there is circular egative film, the annular side that is upwardly extended along circular egative film outer rim, extend outwardly along annular side upper end Horizontal shade, annular side upper end diameter is more than its lower end diameter, and horizontal shade is clamped between upper valve body 1, lower valve body 2, Horizontal shade is equipped with the second through hole passed through for bolt.1 surface of upper valve body is equipped with the valve closing import connected with upper cavity;Lower valve 2 surface of body is equipped with the valve opening import connected with lower chamber, and 2 lower end of lower valve body is equipped with central through hole.Central through hole internal circular surfaces are set There is the lubricant grease accumulator tank 11 being coaxial therewith;Preferably, central through hole internal circular surfaces are equipped with the groove being coaxial therewith, and groove is 3 and along its axially arrange successively, O-ring seal 10 is both provided in any groove, O-ring seal 10 contacts close with valve shaft 4 Envelope;Appoint and set there are one the lubricant grease accumulator tank 11 between two neighboring groove.3 upper surface of elastic diaphragm is provided with pressure Plate 5,3 lower surface of elastic diaphragm are provided with lower platen 6;4 upper end of valve shaft through central through hole successively with lower platen 6, elasticity every Diaphragm 3, top board 5 connect;Preferably, 4 upper end of valve shaft is equipped with the cylindrical boss upwardly extended, and cylindrical boss is equipped with outer spiral shell Line, lower platen 6, elastic diaphragm 3, top board 5 are equipped with the first through hole passed through for cylindrical boss, outside cylindrical boss Portion is bolted with locking thickening nut 12, and 12 lower end of locking thickening nut compresses top board 5.4 lower end of valve shaft is connected with flap 9, valve Valve 9 contacts sealing with valve seat 8;Preferably, 9 outer surface of flap is coated with rubber layer;Valve seat 8 is connected by connecting pole 7 and lower valve body 2 It connects.Resetting spring 13 is sleeved on outside valve shaft 4, and 13 upper end of resetting spring props up lower valve body 2, and 13 lower end of resetting spring props up flap 9, resetting spring 13 is in compressive state.
The principle of present embodiment:By the upward inside cavity charged pressure medium of valve opening import, move upwards valve shaft 4 Until flap 9 is separated with valve seat 8, so as to fulfill the unlatching of present embodiment, mud discharging can be carried out;It is downward by valve closing import Inside cavity charged pressure medium moves downward valve shaft 4 until flap 9 contacts sealing with valve seat 8, so as to fulfill embodiment Closing, here, the pressure medium can be water or gas.During being somebody's turn to do, no mechanical wear.It is recessed by 3 Slot realize it is multi-stage sealed between lower valve body 2 and valve shaft 4, meanwhile, by lubricant grease accumulator tank 11 ensure valve shaft 4 move more To be smooth.Present embodiment is durable, more than service life prolonged for another ten years.It, can when present embodiment is applied to water factory pond It can run into and cut off the water, stop pressure or the situation of solenoid valve matching used with present embodiment damage repair, the bullet of resetting spring 13 Power makes flap 9 automatically reset, and reaches sealing effect, avoids water factory's pond leak.
Finally illustrate, preferred embodiment above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, to the greatest extent Pipe has been described in detail the utility model by above preferred embodiment, but those skilled in the art should manage Solution, can in the form and details make it various changes, without departing from the utility model claims book institute The scope of restriction.

Claims (8)

1. a kind of diaphragm mud-discharge valve, it is characterised in that:Including upper valve body, lower valve body, elastic diaphragm, valve shaft, top board, under Pressing plate, connecting pole, valve seat, flap and resetting spring, the upper valve body is arranged up and down with lower valve body and the two is bolted And surround pressure cavities, elastic diaphragm be arranged between upper valve body and lower valve body and pressure cavities are divided into arrange up and down it is upper Cavity, lower chamber, upper valve body surface are equipped with the valve closing import connected with upper cavity, and lower valve body surface is equipped with what is connected with lower chamber Valve opening import, lower valve body lower end are equipped with central through hole, and elastic diaphragm upper surface is provided with top board, elastic diaphragm lower surface Lower platen is provided with, valve shaft upper end is connected through central through hole with lower platen, elastic diaphragm, top board successively, valve shaft lower end It is connected with flap, flap and valve seat contact seal, valve seat are connected by connecting pole with lower valve body, and resetting spring is sleeved on outside valve shaft Portion, resetting spring upper end prop up lower valve body, and resetting spring lower end props up flap, and resetting spring is in compressive state.
2. a kind of diaphragm mud-discharge valve as described in claim 1, it is characterised in that:The central through hole internal circular surfaces be equipped with Its coaxial lubricant grease accumulator tank.
3. a kind of diaphragm mud-discharge valve as claimed in claim 2, it is characterised in that:The central through hole internal circular surfaces be equipped with Its coaxial groove, groove are axially arranged successively for 3 and along it, and O-ring seal, O-shaped sealing are both provided in any groove Circle contacts sealing with valve shaft.
4. a kind of diaphragm mud-discharge valve as claimed in claim 3, it is characterised in that:It is set between described two grooves of arbitrary neighborhood There are one the lubricant grease accumulator tanks.
5. such as a kind of diaphragm mud-discharge valve of Claims 1 to 4 any one of them, it is characterised in that:The flap appearance bread It is covered with rubber layer.
6. such as a kind of diaphragm mud-discharge valve of Claims 1 to 4 any one of them, it is characterised in that:The valve shaft upper end is equipped with The cylindrical boss upwardly extended, cylindrical boss are equipped with external screw thread, and lower platen, elastic diaphragm, top board, which are equipped with, to be used for The first through hole that cylindrical boss passes through, is bolted with locking thickening nut outside cylindrical boss, side pressure under locking thickening nut Tight top board.
7. such as a kind of diaphragm mud-discharge valve of Claims 1 to 4 any one of them, it is characterised in that:The elastic diaphragm tool There are circular egative film, the annular side upwardly extended along circular egative film outer rim, along the outwardly extending horizontal shade in annular side upper end, Annular side upper end diameter is more than its lower end diameter, and horizontal shade is clamped between upper valve body, lower valve body, and horizontal shade, which is equipped with, to be used In the second through hole that bolt passes through.
8. a kind of diaphragm mud-discharge valve as claimed in claim 7, it is characterised in that:The elastic diaphragm is the thickening fine rubber of fourth Glue film.
CN201721470855.6U 2017-11-07 2017-11-07 A kind of diaphragm mud-discharge valve Active CN207421338U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721470855.6U CN207421338U (en) 2017-11-07 2017-11-07 A kind of diaphragm mud-discharge valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721470855.6U CN207421338U (en) 2017-11-07 2017-11-07 A kind of diaphragm mud-discharge valve

Publications (1)

Publication Number Publication Date
CN207421338U true CN207421338U (en) 2018-05-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721470855.6U Active CN207421338U (en) 2017-11-07 2017-11-07 A kind of diaphragm mud-discharge valve

Country Status (1)

Country Link
CN (1) CN207421338U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110345301A (en) * 2019-07-30 2019-10-18 中信戴卡股份有限公司 A kind of bottom quantifies mud valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110345301A (en) * 2019-07-30 2019-10-18 中信戴卡股份有限公司 A kind of bottom quantifies mud valve
CN110345301B (en) * 2019-07-30 2024-03-15 中信戴卡股份有限公司 Quantitative mud valve at bottom of case

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