CN102410182B - Controllable pneumatic double diaphragm pump - Google Patents
Controllable pneumatic double diaphragm pump Download PDFInfo
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- CN102410182B CN102410182B CN201110381626.8A CN201110381626A CN102410182B CN 102410182 B CN102410182 B CN 102410182B CN 201110381626 A CN201110381626 A CN 201110381626A CN 102410182 B CN102410182 B CN 102410182B
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- slide plate
- air cavity
- diaphragm pump
- double diaphragm
- controllable pneumatic
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Abstract
The invention relates to a double diaphragm pump, in particular to a controllable pneumatic double diaphragm pump, aiming to solve the problems that the traditional double diaphragm pump is inaccurate in guide rod control, complicated in design, high in loss of parts and high in repair rate. In order to realize the aim of solving the problems in the traditional double diaphragm pump, the controllable pneumatic double diaphragm pump comprises a left air cavity chamber, a right air cavity chamber and a middle actuating device, wherein the left air cavity chamber and the right air cavity chamber are connected with an upper discharge tube and a lower feed tube; diaphragms are respectively arranged in the left air cavity chamber and the right air cavity chamber and are connected through a center slide bar; the actuating device comprises a balance adjustment device, an exhaust silencer and a balance admission pipe, wherein the balance adjustment device is connected with the balance admission pipe and the exhaust silencer; and inner side walls of the left air cavity chamber and the right air cavity chamber are provided with airflow holes for communication of the actuating device. From the technical scheme, the actuating device adopts the balance adjustment device, the exhaust silencer and the balance admission pipe instead of parts such as the guide rod and the like in the prior art.
Description
Technical field
The present invention relates to a kind of two diaphragm pump, specially refer to a kind of controllable pneumatic double diaphragm pump.
Background technique
Membrane pump with pneumatic drive is a kind of Novel conveyer tool, is a kind of pump class of current latest domestic grain husk.Employing pressurized air is power source, and for various corrosive liquids, with the liquid of particle, high viscosity, volatile, inflammable, hypertoxic liquid, all can be taken out light and exhaust.It has four kinds of materials membrane pump with pneumatic drive: engineering plastics, aluminum alloy, cast iron, stainless steel.Membrane pump with pneumatic drive adopts respectively nitrile butadiene rubber, neoprene, fluorine rubber, teflon, poly-four or six ethene according to liquid mediums.To meet the needs of different user.Be placed in various special occasions, be used for pumping the medium that kind of conventional pumps can not be aspirated, all obtained satisfied effect.Owing to being used as power by atmosphere, so flow is initiatively reconciled with the variation of back pressure (resistance to flow output), be suitable for the fluid of medium-high viscosity.And the operation point of centrifugal pump thereby water to be benchmark set, if for the slightly high fluid of viscosity, necessary supporting speed reducer or variable-frequency governor, cost is just progressive greatly, for gear pump be also difference so.Reliable and cost is low with pneumatic pump in inflammable and explosive environment, as the conveying of fuel, gunpowder, explosive, because: the first, not all rightly after ground connection can produce spark; The second, in work, empty calory produces, and machine can be not overheated; Three, fluid can be not overheated because the stirring of membrane pump with pneumatic drive convection cell is minimum.The severe central authorities in building site, as build the discharge of wastewater of building site, industrial and mineral, because the impurity in sewage is many and composition is huge, pipeline is easy to infraction, like this electric pump is just formed to the too high environment of load, the motor feels hot rapid wear.Membrane pump with pneumatic drive can be adjustable by particle and flow, during pipeline infraction, initiatively prevents to sluggishness.Little being easy to of other pneumatic diaphragm pump volume moved, unnecessary ground, and occupation of land face is minimum, settles easy economy.Can be used as and move formula material-handling pump.In the material that has harmfulness, corruption property is processed, diaphragm pump can by material and the external world completely from every.Or assure and there is no contaminating impurity raw material in some experiments.Can be used for carrying the more unsteady fluid of chemical temper, as: sensitive material, flocculation liquid etc.This is because the shearing force of diaphragm pump is low, little to the physical influence of material, because membrane pump with pneumatic drive has above feature, so membrane pump with pneumatic drive has just progressively been invaded the market of other pumps since being born, and occupies a part wherein in the world.As: spray paint, membrane pump with pneumatic drive has occupied absolute leading position in ceramics, and in other some industries, as expanding its market share in environmental protection, waste water treatment, building, blowdown, fine chemistry industry, and there is the irreplaceable status of other pumps.
But the guide rod control problem inaccuracy of existing diaphragm pump, and design is complicated, parts loss is high, the problem that anti-revisionist rate is high.
Summary of the invention
The present invention is for solving the deficiency of conventional art, a kind of controllable pneumatic double diaphragm pump is provided, mainly to solve the guide rod control problem inaccuracy of two diaphragm pump in the past, and design is complicated, parts loss is high, the problem that anti-revisionist rate is high, this patent has thoroughly been broken away from conventional art and with the combination of guide rod and air pressure, has been promoted the principle of barrier film, and this patent power only utilizes the ventilation of air pressure to become the function that can complete whole product.
For completing foregoing invention object, the present invention is achieved in that a kind of controllable pneumatic double diaphragm pump, and it is that left and right gas chamber and middle drive unit form; Described left and right air cavity energy top discharge pipe is connected with lower supply pipe; In described left and right air cavity, be provided with barrier film, by center slide bar, connect; It is characterized in that: described drive unit is to consist of balance regulator, air exhaust muffler device, balance suction tude, described balance regulator connects balance suction tude and venting gas appliance; The madial wall of described left and right gas chamber has airflow hole, the communicating of drive unit.From above-mentioned technological scheme, this drive unit is by balance regulator, air exhaust muffler device, balance suction tude, and there is no to adopt the parts of some guide rods and so in the past.
Technique scheme is further improved: described balance regulator is perpendicular to left and right air cavity, be placed between the air cavity of left and right, described balance regulator is to consist of enclosing cover, seal ring, active slide plate, isolation pad, driven slide plate and central shaft location card; Described central shaft location card and two slide plates and a middle pad are neatly installed it from centre by holding down bolt; Above active slide plate, isolation pad and driven slide plate, all have lifting hole(eyelet), by suspention axle, passed, be fixed on outer covering.
Between described driven slide plate and housing, be provided with ball seat, marble, spring, ball seat is arranged on housing, and spring is placed on ball seat, and marble are seated on spring; The another side of marble is pushed down by driven slide plate; And on driven slide plate, be provided with marble chute, between active slide plate and the lower end of driven slide plate, have and establish described holding down bolt and central shaft location card; The two ends of described center slide bar are provided with boss, and central shaft location card is stuck in the middle of two boss; This part is mainly used in allowing two slips back and forth when empty at ball seat of initiatively slide plate and driven slide plate; Prevent from swinging boundary.
Between described active slide plate and driven slide plate, be provided with a weighing apparatus pressing spring and press positioning block with weighing apparatus, described weighing apparatus presses positioning block to be installed in weighing apparatus pressing spring, is installed on weighing apparatus pressing spring and is blocked and squeeze in the localization frame of two slide plates.This part mainly plays balanced action for slide plate in driving air cavity; Can be not unbalance when swinging.
On described driven slide plate, be also provided with slide block; This slide block is arranged in the slide block localization frame on driven slide plate, and described slide block is corresponding with the inlet hole in chamber, left and right and the relief opening of air exhaust muffler device.This slide block swing into, on the suction port communicating with chamber, left and right and the relief opening that communicates with silencing apparatus, slidably reciprocate; Constantly from left chamber vent, move on to right chamber vent, middle through relief opening.Because slide block horizontally slips, make left and right chamber is inflated from external gas from mutual replacement, thereby the barrier film promoting in the chamber of left and right moves around; And then discharge liquid and inspiration liquid.
Technique scheme is done to further refinement, and described left and right gas chamber is by enclosing cover, cavity shell, and connecting bolt, outer pad, outer seal ring, barrier film, interior seal ring, internal gasket, pneumatic throw-out collar and inner cap form; Described cavity shell is clamped in middle by enclosing cover and inner cap; Described outer pad, outer seal ring, barrier film, interior seal ring, internal gasket are connected bolt and from center, pass successively fixing; The top of connecting bolt is connected with center slide bar.This scheme closely cooperates by barrier film and two chambers; Thereby stop liquid to infilter the other end of barrier film; And then the drive part of pump is damaged; Utilize center slide bar to connect in the gas chamber of left and right, two mutual only vertical barrier films are linked into an integrated entity.
Technique scheme is further improved, and the upper end of described left and right air cavity connects top discharge pipe by non-return valve, and the lower end of described left and right air cavity connects lower supply pipe by non-return valve.
Technique scheme is further improved, in the upper end of left and right air cavity, is connected with barometer.Pressure in two air cavitys is carried out to self-regulation, and setting pressure etc.
Technique scheme is further improved, at the outlet end of controllable pneumatic double diaphragm pump, is provided with pressure controlled valve.By pressure controlled valve, for the liquid outlet quantity of outlet, control, because this patent realizes by air pressure, therefore, only by liquid outlet quantity is controlled, just can allow miscellaneous part automatically regulate according to this water-outlet quantity.
Technique scheme is further improved, and described cavity shell consists of a C shape fastening piece and lock ring screw, described C shape fastening piece by after lock ring screw lock ring by the shell clamping of enclosing cover and drive unit.By the fastening piece of C shape, can conveniently adjust the seal degree of air cavity, after using for a long time, tend to occur the situation of leakage, by C shape fastening piece, can regulate at any time, can not dismantle any other parts.
Accompanying drawing explanation
Fig. 1 is the ssembly drawing of patent of the present invention.
Fig. 2 is air cavity inner piece ssembly drawing.
Fig. 3 is the connection diagram of two air cavitys.
Fig. 4 is the packing figure of drive unit.
Embodiment
For more concrete and detailed explanation structure of the present invention, below in conjunction with accompanying drawing, be further elaborated.
As shown in the figure, this patent integral body is divided into five parts, is respectively left air cavity 1, drive unit 2, right air cavity 3, top discharge pipe 4, lower supply pipe 5; The outside of described left air cavity 1 and right air cavity 3 again respectively with the material loading pipeline section one 51 of supply pipe; Left air cavity 1 and right air cavity 3 separate 31 by barrier film, are divided into two chambers, one be liquid container half be air chamber; Described barrier film, by outer pad 32, outer seal ring and interior seal ring, internal gasket 37 clampings, is passed by connecting bolt.The structure of two chambers is identical; Position is relative; Two chambers are that the shell edge by enclosing cover 11, cavity shell and drive unit forms jointly, and described cavity shell is to consist of C shape fastening piece 12 and lock ring screw 13; The shell edge of described enclosing cover 11, cavity shell and drive unit has formed gas chamber jointly; By tightening of C shape fastening piece and lock ring screw, formation is sealed and matched with barrier film.Barrier film in Liang Ge gas chamber connects by center slide-bar.
Its integral body of the drive unit of described intermediate portion is divided into two-part, and front half part is balance regulator; And latter half part is exhaust silencer 21 and balance suction tude, described balance regulator is perpendicular to left and right air cavity, be placed between the air cavity of left and right, described balance regulator is to consist of enclosing cover 22, seal ring 23, active slide plate 24, isolation pad, driven slide plate 25 and central shaft location card 26; Described central shaft location card 26 and two slide plates and a middle pad are neatly installed it from centre by holding down bolt 27; Above active slide plate 24, isolation pad and driven slide plate 25, all have lifting hole(eyelet), by suspention axle 29, passed, be fixed on outer covering; On described driven slide plate 25, be also provided with slide block 28; This slide block 28 is arranged in the slide block localization frame on driven slide plate; The inlet hole 201,202 in described slide block and chamber, left and right and the relief opening 203 of air exhaust muffler device are corresponding.
Between described driven slide plate and housing, be provided with ball seat, marble, spring, ball seat is arranged on housing, and spring is placed on ball seat, and marble are seated on spring; The another side of marble is pushed down by driven slide plate; And be provided with marble chute on driven slide plate, such its main purpose of marble of establishing between active sliding block and the lower end of driven slide plate is to make convenient the moving about between two pores of slide block, prevents from being lived by air pressure gas, and immotile state.
Between described active slide plate and driven slide plate, be provided with a weighing apparatus pressing spring and press positioning block with weighing apparatus, described weighing apparatus presses positioning block to be installed in weighing apparatus pressing spring, is installed on weighing apparatus pressing spring and is blocked and squeeze in the localization frame of two slide plates; The gas that is over because drive unit is in-built therefore, there will be unbalance situation in sliding process; And added said structure, the balance that will become of the slip between slide plate so.
Lower supply pipe is to be connected with the material loading pipeline section of two air cavity one by ball valve; A chamber is opened due to air inlet so therein; When liquid outwards will be squeezed, the ball valve of this chamber lower end can naturally be closed under pressure, prevents liquid backflow; And the exhaust of the suitable chance of another cavity; Inspiration liquid, and its lower end ball valve should be in open mode; Allow liquid enter in cavity, now the ball valve of upper outlet is in closed condition.Both sides have alternately just completed the function of drawing liquid and discharge opeing mutually like this.
Claims (6)
1. a controllable pneumatic double diaphragm pump, it is to consist of left and right gas chamber and middle drive unit; The top discharge pipe of described left and right air cavity is connected with lower supply pipe; In described left and right air cavity, be provided with barrier film, by center slide bar, connect; It is characterized in that: described drive unit is to consist of balance regulator, air exhaust muffler device, balance suction tude, described balance regulator connects balance suction tude and venting gas appliance; The madial wall of described left and right gas chamber has airflow hole, communicates with drive unit; Described balance regulator, perpendicular to left and right air cavity, is placed between the air cavity of left and right, and described balance regulator is to consist of enclosing cover, seal ring, active slide plate, isolation pad, driven slide plate and central shaft location card; Described central shaft location card and two slide plates and a middle pad are neatly installed it from centre by holding down bolt; Above active slide plate, isolation pad and driven slide plate, all have lifting hole(eyelet), by suspention axle, passed, be fixed on outer covering;
Between described driven slide plate and housing, be provided with ball seat, marble, spring, ball seat is arranged on housing, and spring is placed on ball seat, and marble are seated on spring; The another side of marble is pushed down by driven slide plate;
And on driven slide plate, be provided with marble chute, between active slide plate and the lower end of driven slide plate, be provided with described holding down bolt and central shaft location card; The two ends of described center slide bar are provided with boss, and central shaft location card is stuck in the middle of two boss;
Between described active slide plate and driven slide plate, be provided with a weighing apparatus pressing spring and press positioning block with weighing apparatus, described weighing apparatus presses positioning block to be installed in weighing apparatus pressing spring, is blocked and squeezes in the localization frame of two slide plates;
On described driven slide plate, be also provided with slide block; This slide block is arranged in the slide block localization frame on driven slide plate;
Described slide block is corresponding with the inlet hole in chamber, left and right and the relief opening of air exhaust muffler device.
2. a kind of controllable pneumatic double diaphragm pump according to claim 1, is characterized in that: described left and right gas chamber is by enclosing cover, cavity shell, and connecting bolt, outer pad, outer seal ring, barrier film, interior seal ring, internal gasket, pneumatic throw-out collar and inner cap form; Described cavity shell is clamped in middle by enclosing cover and inner cap; Described outer pad, outer seal ring, barrier film, interior seal ring, internal gasket are connected bolt and from center, pass successively fixing; The top of connecting bolt is connected with center slide bar.
3. a kind of controllable pneumatic double diaphragm pump according to claim 1, is characterized in that: the upper end of described left and right air cavity connects top discharge pipe by non-return valve, and the lower end of described left and right air cavity connects lower supply pipe by non-return valve.
4. a kind of controllable pneumatic double diaphragm pump according to claim 1, is characterized in that: the upper end at left and right air cavity is connected with barometer.
5. a kind of controllable pneumatic double diaphragm pump according to claim 1, is characterized in that: the outlet end at controllable pneumatic double diaphragm pump is provided with pressure controlled valve.
6. a kind of controllable pneumatic double diaphragm pump according to claim 2, it is characterized in that: described cavity shell consists of a C shape fastening piece and lock ring screw, described C shape fastening piece by after lock ring screw lock ring by the shell clamping of enclosing cover and drive unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110381626.8A CN102410182B (en) | 2011-11-28 | 2011-11-28 | Controllable pneumatic double diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110381626.8A CN102410182B (en) | 2011-11-28 | 2011-11-28 | Controllable pneumatic double diaphragm pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102410182A CN102410182A (en) | 2012-04-11 |
| CN102410182B true CN102410182B (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110381626.8A Expired - Fee Related CN102410182B (en) | 2011-11-28 | 2011-11-28 | Controllable pneumatic double diaphragm pump |
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| Country | Link |
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| CN (1) | CN102410182B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206655805U (en) * | 2017-04-22 | 2017-11-21 | 李金权 | A kind of multi-functional sewage pump installation |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5378122A (en) * | 1993-02-16 | 1995-01-03 | Wilden Pump & Engineering Co. | Air driven diaphragm pump |
| CN1099103A (en) * | 1993-07-20 | 1995-02-22 | 格雷科有限公司 | Double diaphragm pump with two-stage air valve |
| US5667368A (en) * | 1995-12-01 | 1997-09-16 | Pulsafeeder, Inc. | Diaphragm metering pump including improved leak detection diaphragm |
| CN1373293A (en) * | 2001-01-23 | 2002-10-09 | Yts股份有限公司 | Restarting device of crossover valve for pump |
| US6644941B1 (en) * | 2002-04-18 | 2003-11-11 | Ingersoll-Rand Company | Apparatus and method for reducing ice formation in gas-driven motors |
| CN101449060A (en) * | 2006-04-19 | 2009-06-03 | 威尔顿泵业工程公司 | Air driven pump with performance control |
| CN201786618U (en) * | 2010-09-30 | 2011-04-06 | 潘万桑 | Pneumatic type double-diaphragm pump |
| CN202746157U (en) * | 2011-11-28 | 2013-02-20 | 陈昌金 | Controllable type pneumatic double diaphragm pump |
-
2011
- 2011-11-28 CN CN201110381626.8A patent/CN102410182B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5378122A (en) * | 1993-02-16 | 1995-01-03 | Wilden Pump & Engineering Co. | Air driven diaphragm pump |
| CN1099103A (en) * | 1993-07-20 | 1995-02-22 | 格雷科有限公司 | Double diaphragm pump with two-stage air valve |
| US5667368A (en) * | 1995-12-01 | 1997-09-16 | Pulsafeeder, Inc. | Diaphragm metering pump including improved leak detection diaphragm |
| CN1373293A (en) * | 2001-01-23 | 2002-10-09 | Yts股份有限公司 | Restarting device of crossover valve for pump |
| US6644941B1 (en) * | 2002-04-18 | 2003-11-11 | Ingersoll-Rand Company | Apparatus and method for reducing ice formation in gas-driven motors |
| CN101449060A (en) * | 2006-04-19 | 2009-06-03 | 威尔顿泵业工程公司 | Air driven pump with performance control |
| CN201786618U (en) * | 2010-09-30 | 2011-04-06 | 潘万桑 | Pneumatic type double-diaphragm pump |
| CN202746157U (en) * | 2011-11-28 | 2013-02-20 | 陈昌金 | Controllable type pneumatic double diaphragm pump |
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| Publication number | Publication date |
|---|---|
| CN102410182A (en) | 2012-04-11 |
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| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: JIN BANGZHONG Effective date: 20140123 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Changjin Inventor before: Chen Changjin Inventor before: Jin Bangzhong |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: CHEN CHANGJIN JIN BANGZHONG TO: CHEN CHANGJIN |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20140123 Address after: Taizhou City, Zhejiang province 318057 Pengjie town Luqiao District Peng District 5 Building No. 28 vibration Applicant after: Chen Changjin Address before: Taizhou City, Zhejiang province 318057 Pengjie town Luqiao District Peng District 5 Building No. 28 vibration Applicant before: Chen Changjin Applicant before: Jin Bangzhong |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20161128 |