CN206368778U - A kind of vavuum pump - Google Patents
A kind of vavuum pump Download PDFInfo
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- CN206368778U CN206368778U CN201621053360.9U CN201621053360U CN206368778U CN 206368778 U CN206368778 U CN 206368778U CN 201621053360 U CN201621053360 U CN 201621053360U CN 206368778 U CN206368778 U CN 206368778U
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Abstract
The utility model discloses a kind of vavuum pump, belong to vacuum pump technology field.The purpose of this utility model is to solve the anticorrosive problem of vavuum pump and the automatic loading water problem of industrial centrifugal pump.Vavuum pump of the present utility model has detection and liquid level detection, solenoid electric valve is set in air-breathing, gas exhaust inspecting pipeline, during vacuum operation is inhaled, after medium reaches predetermined fluid level, level detection mechanism on vavuum pump can send electric signal automatically, and electric-control system is connected to after electric signal, start the main motor of pump according to predetermined control program, close and inhale vacuum motor, while closing air-breathing, gas exhaust inspecting pipeline by solenoid electric valve.Vavuum pump of the present utility model is electromechanical integration equipment, can inhale vacuum, the air of quick blowdown pump intracavitary, it is to avoid leave air chamber dead angle in pump chamber high level simultaneously from the high pressure chest of centrifugal pump, low pressure chamber.
Description
Technical field
The present invention relates to a kind of vavuum pump, more particularly to a kind of diaphragm type vavuum pump belongs to vacuum pump technology field.
Background technology
Vavuum pump be using machinery, physics, chemically or physically chemical method be evacuated to being taken out container and obtained very
Empty device or equipment.
Divide every utilization mechanical movement (rotate or slide) to obtain the pump of vacuum, referred to as mechanical vacuum by operation principle
Pump.Oil-sealed rotary pump is divided into positive displacement vacuum pump and kinetic vacuum pump by its principles and structure feature.
Positive displacement vacuum pump is to complete air-breathing and exhaust using the mechanical periodicity of pump chamber to reach the true of pumping purpose
Empty pump.Gas is compressed before discharge pump chamber.This pump is divided into reciprocating and rotary two kinds.
Reciprocating vacuum pump is moved back and forth using pump chamber inner carrier, and gas is sucked, compressed and is discharged.Also known as piston type
Vavuum pump；Gas is sucked, compressed and discharged using the rotary motion of pump chamber inner rotor part by rotary vacuum pump.
The vacuum that usual oil-sealed rotary pump is obtained is relatively low, more as rough vacuum pump.Further, since universal machine vavuum pump
Parts are manufactured mainly for this medium designs of air, when in medium containing corrosive gas or easily contacting other media, commonly
Oil-sealed rotary pump can not meet use requirement.Subject matter is that contact corrosion medium causes the metal or other materials of vavuum pump
Expect parts failure.Especially when it is centrifugal pump automatic loading water that vavuum pump, which is used for, the problem of conventional vacuum pump is present is：Or it is true
Reciprocal of duty cycle can not meet water requirement in air-breathing；Or the requirement of anti-centrifugal pump internal corrosion medium can not be met.
The content of the invention
The present invention proposes that the invention aims to solve the anticorrosive of vavuum pump in order to solve the above problems
Problem and a kind of diaphragm type vavuum pump proposed.The vavuum pump can effectively prevent from inhaling vacuum process by special structure design
The erosion of intermediary's confrontation vavuum pump, and enough vacuum can be obtained, by appropriately configured electric-control system, vavuum pump can realize machine
Electrical integrated control.
The vavuum pump of the present invention, for solving when sucting water problems certainly of centrifugal pump, not only can effectively prevent medium
Corrode, moreover it is possible to which, while the low pressure chamber, pump high pressure chest from centrifugal pump inhale vacuum, the remnants efficiently reduced in centrifugal pump high pressure chest are empty
Gas, realizes that quick, thorough exhaust fills pump.
The purpose of the present invention is achieved through the following technical solutions：A kind of vavuum pump, it is characterised in that by transmission mechanism
(100) vacuum mechanism (200), level detection mechanism (300), air-breathing control piper (400), gas exhaust inspecting pipeline (500) group, are inhaled
Into.
In addition, a kind of vavuum pump, it is characterised in that the transmission mechanism (100), by motor (101), active conical tooth
Take turns (102), dynamic bevel gear (103), main shaft (104), bearing (105), eccentric block (106), swing rod (107), transmission bracket
(108), bearing pin (109) is constituted.
The transmission mechanism (100) is characterized in：Drive bevel gear (102) on motor (101), and nibble therewith
The dynamic bevel gear (103) of conjunction, constitutes rectangular axis reducing gear, drive shaft (104) rotation；Main shaft (104) drives eccentric block
(106), moved reciprocatingly by bearing (105) band driven fork (107), constitute crank and rocker mechanism.The mechanism of the above two is motor
Gyration, slow down diaphragm support (201), diaphragm (202), the pressing plate (203) for becoming and being changed into inhaling backward on vacuum mechanism (200)
Straight reciprocating motion.The transmission mechanism (100) can be single-stage speed reducing mechanism or more step reduction mechanism, this hair
Bright not limited to this.
In addition, a kind of vavuum pump, it is characterised in that the suction vacuum mechanism (200), by diaphragm support (201), film
Piece (202), pressing plate (203), working chamber (204), suction muffler interface (205), inlet valve (206), suction muffler (207), valve body
(208), discharge chamber (209), discharge chamber interface (210), air bleeding valve (211) composition.
It is described suction vacuum mechanism (200) be characterized in：The outer fin (202-2) of diaphragm (202) be transmitted support (108) with
Valve body (208) is clamped and fixed, and interior fin (202-3) is clamped and with diaphragm support by diaphragm support (201), pressing plate (203)
(201) reciprocatingly moved together by swing rod (107) driving；Matrix (202-1) is unfettered.
The inlet valve (206) is made up of valve block (206-1), valve seat (206-2), trip bolt (206-3).Valve block
(206-1) is fixed on the centre screwed hole of valve seat (206-2) by trip bolt (206-3) by mounting hole (206-6)
On (206-5), the valve block scope of freedom (206-8) is unfettered.The operation principle of inlet valve (206) is：When air-flow is moved from bottom to top
When dynamic, air-flow pushes up valve opening piece working face (206-7) by passage (206-4), is allowed between valve seat working face (206-10)
Gas channel is formed, inlet valve (206) is automatically opened up, and gas passes through；When air-flow is moved from top to bottom, air-flow promotes valve block certainly
By face (206-8), then moved downward with moving valve plate working face (206-7), be allowed to and valve seat working face (206-10) is closely pasted
Close, gas can not automatically be closed by inlet valve (206), inlet valve (206).
The structure ＆ working mechanism of air bleeding valve (211) is identical with inlet valve (206), but installation direction is opposite.
In addition, a kind of vavuum pump, it is characterised in that the level detection mechanism (300), by support (301), liquid level
(302), cushion chamber (303) are switched to constitute.Support (301) is arranged on the entrance method of pump intake pipeline (606) and pump volute (603)
Between orchid, cushion chamber (303) and pumping intake piping inner chamber (605) and pump low pressure chamber (604) mutually UNICOM.
The liquid-level switch (302), which is not limited to simply floating ball lever meter or other, similar functions, can send out
Go out the liquid level gauge of automatically controlled signal, the invention is not restricted to this.
In addition, a kind of vavuum pump, it is characterised in that the air-breathing control piper (400), by connecting pump tube (401), even
Valve pipe (402), suction vacuum inlet pipe (403), stop valve (404), control valve (405) composition.
Connecting pump tube (401) head end connection pump high pressure chest (602), the entrance of end connection stop valve (404)；Connect valve pipe
(402) outlet of head end connection stop valve (404), the entrance of end connection control valve (405)；Inhale vacuum inlet pipe (403) first
The outlet of end connection control valve (405), end connection suction muffler interface (205).
In addition, a kind of vavuum pump, it is characterised in that the gas exhaust inspecting pipeline (500), by exhaust exit pipe
(501), control valve (502), connect valve pipe (503) composition.
Exhaust exit pipe (501) head end connection discharge chamber interface (210), end connection control valve (502) entrance, connects valve pipe
(503) outlet of head end connection control valve (502), end imports recovery pond.
A kind of vavuum pump of the present invention, so works：
A, open before pump, the outlet valve of centrifugal pump (600) is closed, and the stop valve (404) on air-breathing control piper (400) is beaten
Open.Now, pump high pressure chest (602), pump low pressure chamber (604), pumping intake piping inner chamber (605), cushion chamber (303) are full of air.
B, when opening pump, the motor (101) on transmission device (100) starts first, while control valve (405), control valve
(502) electric place's conducting position is obtained, pump motor (601) wouldn't start, and air-breathing control piper (400) conducting pump high pressure chest (602) is with inhaling
Air cavity (207), gas exhaust inspecting pipeline (500) conducting discharge chamber (209) and recovery pond.Motor (101) drives drive bevel gear
(102) engagement dynamic bevel gear (103) drives main shaft (104) to rotate, and main shaft (104) driving eccentric block (106) is by outside it
Bearing (105) band driven fork (107) swing, swing rod (107) pass through bearing pin (109) drive diaphragm support (201), diaphragm
(202) interior fin (202-3), pressing plate (203) does straight reciprocating motion.
When the interior fin (202-3) of diaphragm (202) is moved from bottom to top, working chamber (204) expansion, air pressure reduction, in
It is that air bleeding valve (211) is closed, while inlet valve (206) is opened, the sky in pumping intake piping inner chamber (605), pump low pressure chamber (604)
Gas, buffered chamber (303), suction muffler (207), inlet valve (206) flow into working chamber (204)；Air in pump high pressure chest (602)
Suction muffler (207) is flowed into through air-breathing control piper (400), then working chamber (204) is flowed into through inlet valve (206).
When the interior fin (202-3) of diaphragm (202) is moved from top to bottom, working chamber (204) reduces, air pressure rise, in
It is that inlet valve (206) is closed, while air bleeding valve (211) is opened.Air in working chamber (204) is through air bleeding valve (211), discharge chamber
(209), discharge chamber interface (210) enter gas exhaust inspecting pipeline (500), then through exhaust exit pipe (501), control valve (502), connect
Valve pipe (503) is discharged into recovery pond.
The upper and lower continuous reciprocating motion of interior fin (202-3) of diaphragm (202), pumping intake piping inner chamber (605), pump low pressure chamber
(604) air in, the air in cushion chamber (303), pump high pressure chest (602), through suction muffler (207) by inlet valve (206) no
Disconnected suction, then constantly discharged through air bleeding valve (211), pressure is persistently reduced, and then the liquid level of pumping intake piping inner chamber (605) is in air
Persistently raised in the presence of pressure, until entering cushion chamber (303).
C, when the liquid level in cushion chamber (303) is raised and floats the ball float of liquid-level switch (302), liquid-level switch (302)
Electric signal is sent, while starting pump motor (601), closing control valve (405), control valve (502), motor (101).Now,
Liquid level in the low pressure chamber (604) of centrifugal pump (600), high pressure chest (602), which is met, opens pump requirement, and centrifugal pump (600), which enters, to be started
Running status.
D, when being again started up after centrifugal pump (600) termination of pumping, if the liquid level in cushion chamber (303) is sufficiently high, and can float
When playing the ball float of liquid-level switch (302), pump can be directly initiated；If liquid level can not float the ball float of liquid-level switch (302),
Then electric-control system automatic start motor (101), transmission mechanism (100), inhale vacuum mechanism (200) and devote oneself to work, until cushion chamber
(303) the liquid level rise in, and floats the ball float of liquid-level switch (302), then sends and opens pump signal and start centrifugal pump (600)
On pump motor (601), pump startup simultaneously runs.
Beneficial effect：
Present invention contrast prior art has following innovative point：
1. vavuum pump has detection and liquid level detection, Mechatronics control can be realized.Electricity is set in air-breathing, gas exhaust inspecting pipeline
Magnetic control valve, medium is reached after predetermined fluid level, and the liquid level gauge in device can send control signal automatically, and control main motor starts,
Inhale vacuum motor to stop, automatically cutting off air-breathing, gas exhaust inspecting pipeline.
2. traditional inhalation methods of vacuum can only be inhaled from low pressure chamber by breaking through conventional vacuum pump, using the high pressure from centrifugal pump
The method that chamber, low pressure chamber inhale vacuum simultaneously, gettering efficiency is high, can quick blowdown pump chamber air.Centrifugal pump can effectively be discharged high
Press the air of intracavitary, it is ensured that impeller periphery is full of medium, it is to avoid leave air chamber dead angle in pump high pressure chest.
3. vavuum pump is simple in construction, reliable, fault rate is low.Not high, the device fabrication to equipment requirement on machining accuracy
Cost is relatively low, and cost performance is higher.
4. vavuum pump uses bevel gear reducing mechanism, whole device vertical straight line is arranged, coordinate the crank of optimization design
Rocker device, saves space, and device modeling is attractive in appearance.
Present invention contrast prior art has following remarkable advantage：
1. Adaptability of medium is wide.The vavuum pump of the present invention has detection and liquid level detection, automatically controls medium liquid level, prevents medium
Erosion to inhaling the working chamber in vacuum mechanism, inlet valve, air bleeding valve, extends the service life of parts, drops to fault rate.
Conventional vacuum pump no this item function.
2. the vaccum pump unit flexible arrangement of the present invention, can arrange suction vacuum holding according to field condition, pump configuration feature
Put, be adapted to upgrading Ordinary Centrifugal Pumps, make self priming centrifugal pump.Tradition inhales vacuum plant and can be only installed at pump
On body；Conventional vacuum pump can only be arranged independently.
3. the vavuum pump of the present invention is applicable pump category extensively, centrifugal pump of horizontal axis, vertical centrifugal pump, single-stage can be suitably used for double
The automatic loading water of a variety of centrifugal pumps such as sucking pump, multistage pump.
4. the vavuum pump of the present invention can inhale vacuum simultaneously from centrifugal pump high pressure chest, low pressure chamber.Tradition inhales vacuum plant, vacuum
Pump can only inhale vacuum from centrifugal pump low pressure chamber.
5. compared with conventional vacuum pump, vacuum pump structure of the present invention is simple, reliability is high, easy to maintenance.Vacuum is inhaled in maintenance
During device, it is not necessary to disassemble centrifugal pump.
6. applying vavuum pump of the present invention, pump chamber filling medium when opening pump is not sent out dirt centrifugal pump shaft seal " dry grinding " and showed
As being conducive to extending the service life of pump seal, reducing equipment failure rate, overcome vacuum aided self priming pump at this point
It is not enough.
Brief description of the drawings
Fig. 1 is the suction vacuum schematic diagram of vavuum pump of the present invention
Fig. 2 is vavuum pump agent structure assembling schematic diagram of the present invention
Fig. 3 is the diaphragm structure schematic diagram of vavuum pump of the present invention
Fig. 4 is the eccentric block structure schematic diagram of vavuum pump of the present invention
Fig. 5 is inlet valve (air bleeding valve) structural representation of vavuum pump of the present invention
Fig. 6 is the valve structure schematic diagram on vavuum pump inlet valve (air bleeding valve) of the present invention
Fig. 7 is the valve seat construction schematic diagram on vavuum pump inlet valve (air bleeding valve) of the present invention
Fig. 8 is the divergence type schematic layout diagram of vavuum pump of the present invention.
The anti-spraying baffle arrangement figure that Fig. 9 is used when being vavuum pump divergence type arrangement of the present invention.
Level detection mechanism structure chart when Figure 10 is vavuum pump divergence type arrangement of the present invention.
Wherein：100. the main shaft 105. of 103. dynamic bevel gear of transmission mechanism 101. motor, 102. drive bevel gear 104.
The bearing pin of 108. transmission bracket of bearing 106. eccentric block, 107. swing rod 109.
106-1. keyway 106-2. mounting holes
The suction muffler of 200. 204. working chamber of suction vacuum mechanism 201. diaphragm support, 202. diaphragm, 203. pressing plate 205. connects
The air bleeding valve of 210. discharge chamber interface of mouth 206. inlet valve, 207. suction muffler, 208. valve body, 209. discharge chamber 211.
Fin in the outer fin 202-3. of 202-1. matrixes 202-2.
206-1. valve block 206-2. valve seat 206-3. trip bolt 206-4. passage 206-5. screwed holes 206-6.
The 206-10. valve seats work of mounting hole 206-7. valve block working face 206-8. valve blocks scope of freedom 206-9. valve block fastening effects face
Face
The cushion chamber of 300. level detection mechanism, 301. support, 302. liquid-level switch 303.
The connecting pump tube 402. of 400. air-breathing control piper 401. connects valve pipe 403. and inhales the stop valve of vacuum inlet pipe 404.
405. control valve
The control valve 503. of 500. gas exhaust inspecting pipeline, 501. exhaust exit pipe 502. connects valve pipe
The pump intake of 600. centrifugal pump, 601. pump motor, 602. pump high pressure chest, 603. pump volute, 604. pump low pressure chamber 605.
The pump intake pipeline of tube cavity 606.
The anti-spraying of 700. level detection mechanism, 701. divergence type support, 702. liquid-level switch, 703. cushion chamber 704. is kept off
The anti-spray chamber of plate 705.
The 704-1. baffle plate arms of angle
The cushion chamber of 800. low pressure air suction pipeline, 801. 802. stop valve of pump intake pipeline adapter 803. is taken over
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.Fig. 1 is the schematic diagram of vavuum pump of the present invention, figure
2 be vavuum pump agent structure assembling schematic diagram of the present invention, is also the main structure chart of the embodiment of the present invention one.Fig. 3 to 7 is this hair
The component structural schematic diagram of bright vavuum pump embodiment one.
The present invention basic thought be：Transmission device (100) on vavuum pump, the gyration of motor (101) is converted
To inhale the straight reciprocating motion of the diaphragm support (201) on vacuum mechanism (200), diaphragm (202), pressing plate (203), work as diaphragm
(202) when interior fin (202-3) is moved from bottom to top, working chamber (204) expansion, air pressure reduction, air bleeding valve (211) is closed,
Inlet valve (206) is opened simultaneously, cushion chamber (303), pump low pressure chamber (604), the air in pump high pressure chest (602), through suction muffler
(207), inlet valve (206) flows into working chamber (204)；When the interior fin (202-3) of diaphragm (202) is moved from top to bottom, work
Make chamber (204) diminution, air pressure rise, then inlet valve (206) closing, while air bleeding valve (211) is opened.In working chamber (204)
Air, be discharged into recovery pond through air bleeding valve (211).
The upper and lower continuous reciprocating motion of interior fin (202-3) of diaphragm (202), cushion chamber (303) and pump high pressure chest (602),
Air in pump low pressure chamber (604), is constantly sucked, air bleeding valve (211) is constantly discharged through suction muffler (207) by inlet valve (206),
Pump chamber air pressure is persistently reduced, and then the liquid level of pumping intake piping inner chamber (605) is constantly improve.
When the liquid level in cushion chamber (303) is raised and floats the ball float of liquid-level switch (302), liquid-level switch (302) hair
Go out electric signal, while starting pump motor (601), closing control valve (405), control valve (502), motor (101).Now, from
Heart pump (600) intracavitary liquid level meets and opens pump requirement, into startup optimization state.
According to illustrated embodiment one, a kind of vavuum pump by transmission mechanism (100), inhales vacuum mechanism (200), liquid level
Testing agency (300), air-breathing control piper (400), gas exhaust inspecting pipeline (500) composition.
According to illustrated embodiment one, the transmission mechanism (100), by motor (101), drive bevel gear (102), by mantle
Gear (103), main shaft (104), bearing (105), eccentric block (106), swing rod (107), transmission bracket (108), bearing pin (109) group
Into.Drive bevel gear (102) on motor (101), and the dynamic bevel gear (103) being engaged with, constitute rectangular axis
Reducing gear, drive shaft (104) rotation；Main shaft (104) driving eccentric block (106) rotation, passes through bearing (105) band driven fork
(107) crank and rocker mechanism is constituted, reciprocally swinging is done.The mechanism of the above two is the gyration of motor, and slowing down to become is changed into inhaling backward
The interior fin (202-3) of diaphragm support (201), diaphragm (202) on vacuum mechanism (200), the linear reciprocation fortune of pressing plate (203)
It is dynamic.
In addition, according to illustrated embodiment one, the suction vacuum mechanism (200), by diaphragm support (201), diaphragm (202),
Pressing plate (203), working chamber (204), suction muffler interface (205), inlet valve (206), suction muffler (207), valve body (208), exhaust
Chamber (209), discharge chamber interface (210), air bleeding valve (211) composition.The outer fin (202-2) of diaphragm (202) is transmitted support
(108) clamped and fixed with valve body (208), interior fin (202-3) is clamped by diaphragm support (201), pressing plate (203), and with film
Plate rack (201) is reciprocatingly moved by swing rod (107) driving.
In addition, according to illustrated embodiment one, the level detection mechanism (300), by support (301), liquid-level switch
(302), cushion chamber (303) is constituted.Support (301) be arranged on pump intake pipeline (606) and pump volute (603) inlet flange it
Between, cushion chamber (303) and pumping intake piping inner chamber (605) and pump low pressure chamber (604) mutually UNICOM.
In addition, according to illustrated embodiment one, the air-breathing control piper (400) by connecting pump tube (401), connects valve pipe
(402) vacuum inlet pipe (403), stop valve (404), control valve (405) composition, are inhaled.Connecting pump tube (401) head end connects pump high pressure
Chamber (602), the entrance of end connection stop valve (404)；The even outlet of valve pipe (402) head end connection stop valve (404), end connects
Connect the entrance of control valve (405)；Inhale the outlet of vacuum inlet pipe (403) head end connection control valve (405), end connection suction muffler
Interface (205).
In addition, according to illustrated embodiment one, the gas exhaust inspecting pipeline (500), by exhaust exit pipe (501), control valve
(502) valve pipe (503) composition, is connect.Exhaust exit pipe (501) head end connection discharge chamber interface (210), end connection control valve
(502) entrance, connects valve pipe (503) head end connection control valve (502) outlet, and end imports recovery pond.
A kind of vavuum pump described in embodiments of the invention one, so works：
A, open before pump, the outlet valve of centrifugal pump (600) is closed, and the stop valve (404) on air-breathing control piper (400) is beaten
Open.Now, pump high pressure chest (602), pump low pressure chamber (604), pumping intake piping inner chamber (605), cushion chamber (303) are full of air.
B, when opening pump, the motor (101) on transmission device (100) starts first, while control valve (405), control valve
(502) electric place's conducting position is obtained, pump motor (601) wouldn't start, and air-breathing control piper (400) conducting pump high pressure chest (602) is with inhaling
Air cavity (207), gas exhaust inspecting pipeline (500) conducting discharge chamber (209) and recovery pond.Motor (101) drives drive bevel gear
(102) engagement dynamic bevel gear (103) drives main shaft (104) to rotate, and main shaft (104) driving eccentric block (106) is by outside it
Bearing (105) band driven fork (107) swing, swing rod (107) pass through bearing pin (109) drive diaphragm support (201), diaphragm
(202) interior fin (202-3), pressing plate (203) does straight reciprocating motion.
When the interior fin (202-3) of diaphragm (202) is moved from bottom to top, working chamber (204) expansion, air pressure reduction, in
It is that air bleeding valve (211) is closed, while inlet valve (206) is opened, the sky in pumping intake piping inner chamber (605), pump low pressure chamber (604)
Gas, buffered chamber (303), suction muffler (207), inlet valve (206) flow into working chamber (204)；Air in pump high pressure chest (602)
Suction muffler (207) is flowed into through air-breathing control piper (400), then working chamber (204) is flowed into through inlet valve (206).
When the interior fin (202-3) of diaphragm (202) is moved from top to bottom, working chamber (204) reduces, air pressure rise, in
It is that inlet valve (206) is closed, while air bleeding valve (211) is opened.Air in working chamber (204) is through air bleeding valve (211), discharge chamber
(209), discharge chamber interface (210) enters gas exhaust inspecting pipeline (500), through exhaust exit pipe (501), control valve (502), connects valve
Pipe (503) is discharged into recovery pond.
The upper and lower continuous reciprocating motion of interior fin (202-3) of diaphragm (202), pumping intake piping inner chamber (605), pump low pressure chamber
(604) air in, the air in cushion chamber (303), pump high pressure chest (602), through suction muffler (207) by inlet valve (206) no
Disconnected suction, then constantly discharged through air bleeding valve (211), pressure is persistently reduced, and then the liquid level of pumping intake piping inner chamber (605) is in air
It is constantly improve in the presence of pressure, until entering cushion chamber (303).
C, when the liquid level in cushion chamber (303) is raised and floats the ball float of liquid-level switch (302), liquid-level switch (302)
Electric signal is sent, while starting pump motor (601), closing control valve (405), control valve (502), motor (101).Now,
Liquid level in the low pressure chamber (604) of centrifugal pump (600), high pressure chest (602), which is met, opens pump requirement, and centrifugal pump enters startup optimization
State.
D, when being again started up after centrifugal pump (600) termination of pumping, if the liquid level in cushion chamber (303) is sufficiently high, and can float
When playing the ball float of liquid-level switch (302), pump can be directly initiated；If liquid level can not float the ball float of liquid-level switch (302),
Electric-control system automatic start motor (101), transmission mechanism (100), suction vacuum mechanism (200) are devoted oneself to work, until cushion chamber
(303) the liquid level rise in, and floats the ball float of liquid-level switch (302), then sends and opens pump signal and start centrifugal pump (600)
On pump motor (601), pump startup simultaneously runs.
Fig. 3 is the diaphragm structure schematic diagram of vavuum pump of the present invention, and the diaphragm (202) is by natural rubber or other elastic materials
Material is made, and is the revolving body being rotarily formed around vertical axis by the figure that section is " H " type.The diaphragm (202) is by matrix
The outer fin (202-2) of (202-1), distribution symmetrical above and below, interior fin (202-3) composition of distribution symmetrical above and below.Outer fin
The edge profiled outline of (202-2) is semicircle, and radius is R1；The edge profiled outline of interior fin (202-3) is semicircle, half
Footpath is R2.The knuckle of outer fin (202-2), interior fin (202-3) and matrix (202-1) intersection is r.
Fig. 4 is the structural representation of the eccentric block (106) of vavuum pump of the present invention, eccentric block (106) the outline center
There is eccentric throw E between 02 and mounting hole (106-2) center 01, mounting hole (106-2) is provided with keyway (106-1), keyway
(106-1) is located at 01 and 02 line direction, close to 02 side.
Fig. 5 is inlet valve (air bleeding valve) structural representation of vavuum pump of the present invention.The inlet valve (206) is by valve block
(206-1), valve seat (206-2), trip bolt (206-3) composition.Valve block (206-1) is by trip bolt (206-3) by installing
Hole (206-6) is fixed on the centre screwed hole (206-5) of valve seat (206-2), and the valve block scope of freedom (206-8) be not by about
Beam.The operation principle of inlet valve (206) is：When air-flow is moved from bottom to top, air-flow pushes up valve opening piece by passage (206-4)
Working face (206-7), is allowed between valve seat working face (206-10) form gas channel, inlet valve (206) is automatically opened up, gas
Body passes through；When air-flow is moved from top to bottom, air-flow promotes the valve block scope of freedom (206-8), then band moving valve plate working face (206-
7) move downward, be allowed to be brought into close contact with valve seat working face (206-10), gas can not pass through inlet valve (206), inlet valve
(206) it is automatic to close.
The structure ＆ working mechanism of air bleeding valve (211) is identical with inlet valve (206), and installation direction is opposite.
Fig. 6 is the valve structure schematic diagram on vavuum pump inlet valve (air bleeding valve) of the present invention, and valve block (206-1) is by natural rubber
Glue or other elastomeric materials are made, and its inner round portion is provided with mounting hole (206-6), a diameter of d1, and valve block working face (206-7) is
Plane, a diameter of D, valve block fastening effect face (206-9) is plane, and diameter d2, the valve block scope of freedom (206-8) is the conical surface.
Fig. 7 is the valve seat construction schematic diagram on vavuum pump inlet valve (air bleeding valve) of the present invention, valve seat (206-2) upper surface valve
Seat working face (206-10) is plane, and centre is provided with the outside of screwed hole (206-5), screwed hole (206-5) provided with multiple logical
Stomata (206-4), number of air hole is N.
Fig. 8 is the principle schematic of vavuum pump embodiment two of the present invention, and vavuum pump and the centrifugal pump that it is dragged are each only
Vertical arrangement.
According to illustrated embodiment of the present invention two, a kind of vavuum pump by transmission mechanism (100), inhales vacuum mechanism
(200), level detection mechanism (700), air-breathing control piper (400), gas exhaust inspecting pipeline (500), low pressure air suction pipeline (800)
Composition.
In addition, according to illustrated embodiment two, the level detection mechanism (700) is opened by divergence type support (701), liquid level
Close (702), cushion chamber (703), anti-spraying baffle plate (704), anti-spray chamber (705) composition.
In addition, according to illustrated embodiment two, the low pressure air suction pipeline (800) is by pump intake pipeline adapter (801), cut-off
Valve (802), cushion chamber adapter (803) composition.
The operation principle of vavuum pump embodiment two of the present invention and embodiment one is essentially identical, and its main difference is：
1st, the level detection mechanism (700) in embodiment two together with transmission mechanism (100), inhale vacuum mechanism (200), with from
Heart pump (600) each independently installed arrangement, it is necessary to increase low pressure air suction pipeline (800), come connect pumping intake piping inner chamber (605) with
Anti- spray chamber (705) on level detection mechanism (700).And the level detection mechanism (300) in embodiment one is together with installed in it
On transmission mechanism (100), inhale vacuum mechanism (200), with centrifugal pump (600) assemble and be integrated into a whole, pumping intake piping
Inner chamber (605) and low pressure chamber (604) are directly connected with the cushion chamber (303) on level detection mechanism (300).
2nd, the cushion chamber (703) of the level detection mechanism (700) in embodiment two by anti-spraying baffle plate (704) bottom every
Separate out an anti-spray chamber (705).Anti-spraying baffle plate and blowout prevention are not provided with level detection mechanism (300) in embodiment one
Chamber.
Vavuum pump described in embodiment two so works：
A, open before pump, the outlet valve of centrifugal pump (600) is closed, stop valve (404), (802) are opened.Now, pump high pressure chest
(602), pump low pressure chamber (604), pumping intake piping inner chamber (605), cushion chamber (703), anti-spray chamber (705) are full of air.
B, when opening pump, the motor (101) on transmission device (100) starts first, while control valve (405), control valve
(502) electric place's conducting position is obtained, pump motor (601) wouldn't start, and air-breathing control piper (400) conducting pump high pressure chest (602) is with inhaling
Air cavity (207), gas exhaust inspecting pipeline (500) conducting discharge chamber (209) and recovery pond, low pressure air suction pipeline (800) conducting are pumped into
Mouth tube cavity (605) and anti-spray chamber (705).Motor (101) driving drive bevel gear (102) engagement dynamic bevel gear (103) band
Dynamic main shaft (104) is rotated, and main shaft (104) driving eccentric block (106) is put by its outside bearing (105) band driven fork (107)
Dynamic, swing rod (107) drives diaphragm support (201), the interior fin (202-3) of diaphragm (202), pressing plate (203) by bearing pin (109)
Do straight reciprocating motion.
When the interior fin (202-3) on diaphragm (202) is moved from bottom to top, working chamber (204) expansion, air pressure reduction,
Then air bleeding valve (211) is closed, while inlet valve (206) is opened, the sky in pumping intake piping inner chamber (605), pump low pressure chamber (604)
Gas, enters anti-spray chamber (705) through low pressure air suction pipeline (800) and enters back into cushion chamber (703), then through suction muffler (207), inlet valve
(206) working chamber (204) is flowed into；Air in pump high pressure chest (602) flows into suction muffler (207) through air-breathing control piper (400),
Again working chamber (204) is flowed into through inlet valve (206).
When the interior fin (202-3) on diaphragm (202) is moved from top to bottom, working chamber (204) reduces, air pressure rise,
Then inlet valve (206) is closed, while air bleeding valve (211) is opened.Air in working chamber (204) is through air bleeding valve (211), exhaust
Chamber (209), discharge chamber interface (210) enter gas exhaust inspecting pipeline (500), through exhaust exit pipe (501), control valve (502), connect
Valve pipe (503) is discharged into recovery pond.
The upper and lower continuous reciprocating motion of interior fin (202-3) on diaphragm (202), pump low pressure chamber (604), anti-spray chamber
(705), the air in cushion chamber (703) and pump high pressure chest (602), is constantly sucked through suction muffler (207) by inlet valve (206),
Constantly discharged through air bleeding valve (211) again, the air pressure in pump chamber is persistently reduced, then pumping intake piping inner chamber (605), pump low pressure chamber
(604), the liquid level of pump high pressure chest (602) is persistently raised, and the liquid level of subsequent cushion chamber (703) is then also persistently raised.
C, when the liquid level in cushion chamber (703) is raised and floats the ball float of liquid-level switch (702), liquid-level switch (702)
Electric signal is sent, while starting pump motor (601), closing control valve (405), control valve (502), motor (101).Now,
The liquid level of centrifugal pump (600) intracavitary, which is met, opens pump requirement, and centrifugal pump enters startup optimization state.
D, when being again started up after centrifugal pump (600) termination of pumping, if the liquid level in cushion chamber (703) is sufficiently high, and can float
When playing the ball float of liquid-level switch (702), pump can be directly initiated；It is when liquid level can not float the ball float of liquid-level switch (702), then automatically controlled
System automatic start motor (101), transmission mechanism (100), suction vacuum mechanism (200) are devoted oneself to work, until in cushion chamber (703)
Liquid level rise, and float the ball float of liquid-level switch (702), then send the pump for opening pump signal and starting on centrifugal pump (600)
Motor (601), pump startup is simultaneously run.
Fig. 9 is that vacuum vavuum pump of the present invention separates the anti-spraying baffle arrangement figure used during arrangement with the pump housing.Anti-spraying
Baffle plate (704) is inpolygon, can be quadrangle, pentagon or triangle, the invention is not restricted to this.Its function is anti-
Only medium takes over (803) by cushion chamber and directly sprays into cushion chamber (703) at a high speed.
The structure chart of level detection mechanism (700) when Figure 10 is vavuum pump divergence type arrangement of the present invention, according to institute of the present invention
Show embodiment two, the level detection mechanism (700), by divergence type support (701), liquid-level switch (702), cushion chamber (703),
Anti-spraying baffle plate (704), anti-spray chamber (705) are constituted.
Claims (8)
1. a kind of vavuum pump, is arranged using divergence type, it is characterised in that including：Transmission mechanism (100), suction vacuum mechanism
(200), level detection mechanism (700), air-breathing control piper (400), gas exhaust inspecting pipeline (500), low pressure air suction pipeline
(800), transmission mechanism (100) is arranged on the top for inhaling vacuum mechanism (200), inhales vacuum mechanism (200) and is arranged on level sensing
The top of mechanism (300), when the gas in centrifugal pump (600) is constantly sucked vacuum mechanism (200) sucking-off and is discharged to outside system,
Medium liquid level in pump is risen to after certain altitude, the internal liquid-level switch of the cushion chamber (303) in level detection mechanism (300)
(302) motor (101) power-off on electric signal, control transmission mechanism (100) is sent, vacuum mechanism (200) is inhaled and is stopped, prevent
Transmission bracket on erosion of the medium only conveyed to suction vacuum mechanism (200), transmission mechanism (100), transmission mechanism (100)
(108) ring flange of bottom is connected with the ring flange on valve body (208) top and compresses diaphragm (202) outer fin (202-2) jointly,
Swing rod (107) on transmission mechanism (100) is cut with scissors with inhaling the diaphragm support (201) on vacuum mechanism (200) by bearing pin (109)
Connect, when swing rod (107) moves reciprocatingly, drive diaphragm support (201), the interior fin (202-3) of diaphragm (202), pressing plate (203)
Also move reciprocatingly, the cushion chamber (303) in valve body (208) and level detection mechanism (300) on suction vacuum mechanism (200) is outside
The topmost position connection of cylinder.
2. a kind of vavuum pump according to claim 1, it is characterised in that the transmission mechanism (100) includes：Motor
(101), drive bevel gear (102), dynamic bevel gear (103), main shaft (104), bearing (105), eccentric block (106), swing rod
(107), transmission bracket (108), bearing pin (109), the gearratio of transmission mechanism (100) is 1 to 50, the bias of eccentric block (106)
It is 5 to 50mm away from E, the internal diameter A of transmission bracket (108) is 150 to 1000mm.
3. a kind of vavuum pump according to claim 1, it is characterised in that the suction vacuum mechanism (200), including：Diaphragm
Support (201), diaphragm (202), pressing plate (203), working chamber (204), suction muffler interface (205), inlet valve (206), suction muffler
(207), valve body (208), discharge chamber (209), discharge chamber interface (210), air bleeding valve (211), the thickness of diaphragm matrix (202-1)
H is 3 to 30mm, and the edge profiled outline of outer fin (202-2) is semicircle, and radius R1 is the interior fin (202-3) 5 to 20mm
Edge profiled outline be semicircle, radius R2 is outer fin (202-2), interior fin (202-3) and matrix (202- 5 to 20mm
1) the knuckle r of intersection is 2 to 10mm, and the outer diameter D 2 of diaphragm (202) outer fin (202-2) is 150 to 600mm, diaphragm
(202) the internal diameter D1 of interior fin (202-3) is 100 to 500mm, and the diameter d1 of the mounting hole (206-6) of inlet valve (206) is 5
To 20mm, the diameter D of valve block working face (206-7) is 30 to 200mm, and the diameter d2 in valve block fastening effect face (206-9) is 10
To 50mm, the valve block scope of freedom (206-8) is that the quantity N of the passage (206-4) on taper surface, valve seat (206-2) is 3 to 10
Individual, diameter d is 5 to 60mm.
4. a kind of vavuum pump according to claim 1, it is characterised in that the level detection mechanism (300), including：Machine
Seat (301), liquid-level switch (302), cushion chamber (303), the intracavity diameter A of support (301) is 100 to 1000mm.
5. a kind of vavuum pump according to claim 1, it is characterised in that the air-breathing control piper (400), including：Connect
Pump line (401), even valve pipe (402), suction vacuum inlet pipe (403), stop valve (404), control valve (405), connecting pump tube (401),
Even valve pipe (402), the caliber of suction vacuum inlet pipe (403) are 10 to 100mm.
6. a kind of vavuum pump according to claim 1, it is characterised in that the gas exhaust inspecting pipeline (500), including：Row
Gas outlet (501), control valve (502), connect valve pipe (503), exhaust exit pipe (501), connect the caliber of valve pipe (503) for 10 to
100mm。
7. a kind of vavuum pump according to claim 1, it is characterised in that the level detection mechanism (700), including：Point
Release support (701), liquid-level switch (702), cushion chamber (703), open flow water baffle plate (704), anti-spray chamber (705), cushion chamber
(703), the intracavity diameter B of anti-spray chamber (705) is 100 to 1000mm, and anti-spraying baffle plate (704) is inpolygon, thereon
The wide size C of the baffle plate arm of angle (704-1) be 10 to 50mm.
8. a kind of vavuum pump according to claim 1, it is characterised in that the low pressure air suction pipeline (800), including：Pump
Suction line adapter (801), stop valve (802), cushion chamber adapter (803), pump intake pipeline adapter (801), cushion chamber adapter
(803) caliber is 10 to 100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621053360.9U CN206368778U (en) | 2016-08-30 | 2016-08-30 | A kind of vavuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621053360.9U CN206368778U (en) | 2016-08-30 | 2016-08-30 | A kind of vavuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206368778U true CN206368778U (en) | 2017-08-01 |
Family
ID=59389508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621053360.9U Expired - Fee Related CN206368778U (en) | 2016-08-30 | 2016-08-30 | A kind of vavuum pump |
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| Country | Link |
|---|---|
| CN (1) | CN206368778U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194653A (en) * | 2016-08-30 | 2016-12-07 | 高芊 | A kind of vacuum pump |
-
2016
- 2016-08-30 CN CN201621053360.9U patent/CN206368778U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194653A (en) * | 2016-08-30 | 2016-12-07 | 高芊 | A kind of vacuum pump |
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Granted publication date: 20170801 Termination date: 20180830 |