CN207421338U - A kind of diaphragm mud-discharge valve - Google Patents
A kind of diaphragm mud-discharge valve Download PDFInfo
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- 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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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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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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 |
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CN201721470855.6U CN207421338U (en) | 2017-11-07 | 2017-11-07 | A kind of diaphragm mud-discharge valve |
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CN207421338U true CN207421338U (en) | 2018-05-29 |
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CN201721470855.6U Active CN207421338U (en) | 2017-11-07 | 2017-11-07 | A kind of diaphragm mud-discharge valve |
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CN (1) | CN207421338U (en) |
Cited By (1)
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 |
-
2017
- 2017-11-07 CN CN201721470855.6U patent/CN207421338U/en active Active
Cited By (2)
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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