CN114922801A - High-pressure pneumatic diaphragm pump - Google Patents

High-pressure pneumatic diaphragm pump Download PDF

Info

Publication number
CN114922801A
CN114922801A CN202210450597.4A CN202210450597A CN114922801A CN 114922801 A CN114922801 A CN 114922801A CN 202210450597 A CN202210450597 A CN 202210450597A CN 114922801 A CN114922801 A CN 114922801A
Authority
CN
China
Prior art keywords
sliding plate
diaphragm
liquid
sets
connecting rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210450597.4A
Other languages
Chinese (zh)
Other versions
CN114922801B (en
Inventor
叶晓华
叶贵福
林旭克
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Jofee Pump Co ltd
Original Assignee
Shanghai Jofee Pump Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Jofee Pump Co ltd filed Critical Shanghai Jofee Pump Co ltd
Priority to CN202210450597.4A priority Critical patent/CN114922801B/en
Publication of CN114922801A publication Critical patent/CN114922801A/en
Application granted granted Critical
Publication of CN114922801B publication Critical patent/CN114922801B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00Machines, pumps, or pumping installations having flexible working members
    • F04B43/02Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/025Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms two or more plate-like pumping members in parallel
    • F04B43/026Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms two or more plate-like pumping members in parallel each plate-like pumping flexible member working in its own pumping chamber
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00Machines, pumps, or pumping installations having flexible working members
    • F04B43/0009Special features
    • F04B43/0081Special features systems, control, safety measures
    • F04B43/009Special features systems, control, safety measures leakage control; pump systems with two flexible members; between the actuating element and the pumped fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00Machines, pumps, or pumping installations having flexible working members
    • F04B43/02Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/06Pumps having fluid drive
    • F04B43/073Pumps having fluid drive the actuating fluid being controlled by at least one valve
    • F04B43/0736Pumps having fluid drive the actuating fluid being controlled by at least one valve with two or more pumping chambers in parallel

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)

Abstract

The application relates to a high-pressure pneumatic diaphragm pump, relates to the field of diaphragm pumps, and aims to solve the problem that the existing diaphragm pump intermittently discharges liquid and has low discharge efficiency; the pressure regulating subassembly includes pressure regulating box and sliding plate, and the pressure regulating box sets up on the pump body, and the sliding plate separates into two cavitys with the inside of pressure regulating box, and the sliding plate slides along the direction that sets up in the stock solution chamber and sets up in the inside of pressure regulating box, and when the sliding plate slides, the stock solution intracavity pressure increase that is located sliding plate slip direction one side makes the liquid entering drain pipe of stock solution intracavity, and the stock solution intracavity pressure that is located to deviate from sliding plate slip direction one side reduces the liquid entering stock solution intracavity that makes the feed liquor pipe. This application improves the effect of liquid discharge efficiency through two sets of stock solution chambeies alternately flowing back.

Description

High-pressure pneumatic diaphragm pump
Technical Field
The application relates to the field of diaphragm pumps, in particular to a high-pressure pneumatic diaphragm pump.
Background
The pneumatic diaphragm pump is a novel liquid material conveying device, and can replace submersible pumps, sewage pumps, centrifugal pumps and other devices. Because of its ability to transport liquids containing solid particles, it is used in an increasing number of industries, such as petrochemicals, coatings, marine vessels, water treatment, food, paper, mining, and the like.
The Chinese utility model with application number 202020186931.6 discloses a high-pressure pneumatic double diaphragm pump, which comprises a pump body, wherein the pump body comprises a left liquid cavity, a left gas cavity, an intermediate body, a right gas cavity and a pressurizing gas cavity which are sequentially arranged from left to right; the left liquid cavity and the left gas cavity are separated by a left diaphragm, and the edge of the left diaphragm is fixed on the intermediate body; the right liquid cavity and the pressurized gas cavity are separated by a right diaphragm, and the edge of the right diaphragm is fixed on the intermediate body; two ends of the diaphragm connecting rod are respectively inserted into the left gas cavity and the right gas cavity, the left diaphragm pressing plate is arranged at the left end of the diaphragm connecting rod, and the right diaphragm pressing plate is arranged at the right end of the diaphragm connecting rod; the left gas cavity is communicated with the pressurized gas cavity, the gas valve assembly inflates gas to the left gas cavity, and high-pressure gas enters the pressurized gas cavity through the left diaphragm bolt, the diaphragm connecting rod and the right diaphragm bolt after entering the left diaphragm bolt communicating hole through the vent hole in the diaphragm connecting rod, so that the pressurized gas cavity is filled with the high-pressure gas together. The utility model discloses a play liquid pressure has obtained the good effect that compares out liquid pressure with traditional diaphragm pump and doubles.
In view of the above-mentioned related art, the inventors found that the following drawbacks exist: after the liquid discharge of left liquid intracavity, need gas injection in the gas cavity of right side, both sides diaphragm will move right thereupon, causes vacuum phenomenon to left liquid cavity, and then makes liquid be inhaled left liquid intracavity, and the rethread injects the liquid discharge that the air made left liquid intracavity in the gas cavity of left side, and consequently the liquid discharge of the device is an intermittent type process, leads to the efficiency of liquid when discharging to be lower.
Disclosure of Invention
In order to improve the discharge efficiency of liquid, the application provides a high pressure pneumatic diaphragm pump.
The application provides a high-pressure pneumatic diaphragm pump adopts following technical scheme:
a high-pressure pneumatic diaphragm pump comprises a pump body, a liquid inlet pipe and a liquid outlet pipe, wherein the pump body is sequentially provided with a pneumatic assembly, a pressure regulating assembly and a liquid storage cavity from the middle part to two sides, the liquid inlet pipe and the liquid outlet pipe are communicated with the liquid storage cavity, and one-way plugging pieces are arranged at the joints of the liquid storage cavity, the liquid inlet pipe and the liquid outlet pipe;
the pressure regulating assembly comprises a pressure regulating box and a sliding plate, the pressure regulating box is arranged on the pump body, the sliding plate divides the interior of the pressure regulating box into two cavities, the sliding plate is arranged in the pressure regulating box in a sliding mode along the arrangement direction of the liquid storage cavity, when the sliding plate slides, the pressure intensity in the liquid storage cavity positioned on one side of the sliding direction of the sliding plate is increased, so that liquid in the liquid storage cavity enters the liquid outlet pipe, and the pressure intensity in the liquid storage cavity positioned on one side of the sliding plate, which is far away from the sliding direction of the sliding plate, is reduced, so that liquid in the liquid inlet pipe enters the liquid storage cavity;
the pneumatic assembly is used for driving the sliding plate to slide.
Through adopting above-mentioned technical scheme, be provided with two sets of stock solutions chambeies on the pump body, when the pneumatic component drive sliding plate slides, the inside pressure in two sets of stock solutions chambeies can be adjusted to during the liquid entering drain pipe of making the inside liquid in stock solution chamber and the liquid entering stock solution chamber that makes in the feed liquor pipe, make two sets of stock solutions chambeies realize alternately flowing back, thereby improved the liquid discharge efficiency of this diaphragm pump.
Optionally, the liquid storage cavity is composed of a fluid cover and a diaphragm, the fluid cover is arranged on the pump body, the diaphragm is arranged on one side, close to the pressure regulating box, of the fluid cover, a connecting assembly is arranged between the diaphragm and the sliding plate, and the sliding plate pushes and pulls the diaphragm through the connecting assembly.
Through adopting above-mentioned technical scheme, the sliding plate slides in the inside of pressure regulating box, can realize the push-and-pull diaphragm through coupling assembling to change the inside pressure in stock solution chamber, coupling assembling makes the emergence deformation that the diaphragm can be comparatively stable, avoids causing the damage of diaphragm when pushing and pulling the diaphragm.
Optionally, the coupling assembling includes connecting rod and two sets of splint, the one end of connecting rod set up in on the sliding plate, it is two sets of splint all set up on the connecting rod, set up the perforation that supplies the connecting rod to wear to establish on the diaphragm, it is two sets of splint are located the both sides of diaphragm respectively, and are two sets of movable butt between the splint.
Through adopting above-mentioned technical scheme, wear to establish the perforation with the one end that the connecting rod was kept away from the sliding plate, realize the butt between the two sets of splint on the rethread connecting rod, press from both sides the diaphragm through two sets of splint, improve the area of contact of connecting rod and diaphragm, thereby when the sliding plate drives the connecting rod motion, can make the diaphragm motion through splint, can improve the change difference in stock solution intracavity inner space, thereby improve the stock solution volume in stock solution chamber, make this diaphragm pump can discharge more liquid in unit interval, further improve the emission efficiency of diaphragm pump.
Optionally, the clamping plate close to the sliding plate is fixedly connected to the connecting rod, a first thread is arranged on the outer peripheral wall of one end, far away from the sliding plate, of the connecting rod, the clamping plate far away from the sliding plate is sleeved outside the first thread, a first nut is connected to the connecting rod in a threaded manner, and the first nut is used for driving the clamping plate far away from the sliding plate to abut against the clamping plate close to the sliding plate.
Through adopting above-mentioned technical scheme, make the connecting rod keep away from the perforation back that the diaphragm was passed to the one end of sliding plate, locate the connecting rod with the splint cover, two sets of splint are located the both sides of diaphragm this moment, carry out the centre gripping to the diaphragm through two sets of splint, and the first nut of installation makes the butt between two sets of splint to can press from both sides tight diaphragm clamp and fix, improve the leakproofness between diaphragm and the splint, and simple structure, the installation of being convenient for.
Optionally, the peripheral wall of one end of the connecting rod, which is far away from the sliding plate, is provided with a second thread, the connecting rod is in threaded connection with two groups of second nuts, the two groups of second nuts are respectively located on two groups of sides, which are far away from each other, of the clamping plates, and the second nuts are movably abutted to the clamping plates.
Through adopting above-mentioned technical scheme, rotate two sets of second nuts and can drive two sets of splint and be close to each other, through adjusting the position of two sets of second nuts on the connecting rod to can adjust two sets of splint to the tight position of diaphragm clamp, with the rate of tension of adjusting the diaphragm, make the push-and-pull to the diaphragm more accurate to the inside pressure influence of stock solution chamber, realization extraction and the discharge liquid that can be better.
Optionally, the pneumatic assembly comprises an inflation piece and two groups of air guide tubes, two ends of each air guide tube are communicated with two cavities located on the same side of the sliding plate, the cavities communicated with the air guide tubes are different, and the output end of the inflation piece is communicated with the two groups of air guide tubes.
Through adopting above-mentioned technical scheme, aerify the piece and pass through the air duct and inject into gas to the inside of cavity, and can inject into gas in to the cavity of difference through different air ducts to make the atmospheric pressure in the cavity change, slide towards different directions with the drive sliding plate, make the sliding plate slide more stably.
Optionally, a first electromagnetic valve is arranged between the inflating part and the air inlet end of one group of air guide tubes, and a second electromagnetic valve is arranged between the inflating part and the air inlet end of the other group of air guide tubes.
Through adopting above-mentioned technical scheme, opening or closing of first solenoid valve of control and second solenoid valve can realize aerifing in the piece is to one of them a set of air duct to make the inside atmospheric pressure increase of a set of cavity, slide with the drive sliding plate, full automatic control need not artifical regulation and control, make the diaphragm pump use more convenient.
Optionally, two sets of through holes respectively communicated with the two cavities are formed in the pressure regulating box, third electromagnetic valves used for opening and closing the through holes are arranged at the through holes and electrically connected with the first electromagnetic valve and the second electromagnetic valve, and when the inflating part injects gas into the cavity on one side of the sliding plate, the third electromagnetic valves communicated with the through holes on the other side of the sliding plate are opened.
Through adopting above-mentioned technical scheme, aerify when piece is gaseous to the inside injection of a set of cavity, for the slip of sliding plate, need make the inside gas outgoing of another set of cavity, the third solenoid valve that corresponds the through-hole department of intercommunication on the cavity this moment opens, the discharge of the air of being convenient for, and third solenoid valve and first solenoid valve and second solenoid valve electric connection realize the automatic control of third solenoid valve to realize the better function of diaphragm pump inner structure.
Optionally, one-way shutoff piece is the ball valve, is located the liquid storage chamber with the ball valve flow direction of feed liquor pipe junction is by feed liquor pipe orientation liquid storage chamber, is located the liquid storage chamber with the ball valve flow direction of drain pipe junction is by liquid storage chamber orientation drain pipe.
Through adopting above-mentioned technical scheme, the case of ball valve is alloy steel spray welding usually, and the sealing washer is the alloy steel build-up welding, makes the ball valve can not produce too big wearing and tearing in the switch chamber, is applicable to the valve as the liquid pipeline that discharges and contain solid particle, and the ball valve is sealed to be the manual grinding, knows that case and sealing washer coincide completely just can use, and the leakproofness is better.
Optionally, the diaphragm is made of an elastic material.
Through adopting above-mentioned technical scheme, can make the diaphragm take place deformation when pushing and pulling the diaphragm to increase or reduce.
In summary, the present application includes at least the following advantageous technical effects:
through the two groups of liquid storage cavities arranged on the pump body, when the pneumatic assembly drives the sliding plate to slide, the sliding plate can adjust the pressure intensity inside the two groups of liquid storage cavities, so that liquid inside the liquid storage cavities enters the liquid outlet pipe and liquid inside the liquid inlet pipe enters the liquid storage cavities, cross liquid drainage of the two groups of liquid storage cavities is realized, and the liquid discharge efficiency of the diaphragm pump is improved;
the connecting rod can be driven to move by sliding the sliding plate, so that the two groups of clamping plates are driven to move, the clamping plates push and pull the diaphragm, so that the diaphragm is deformed, the pressure change in the liquid storage cavity is changed, the liquid in the liquid storage cavity enters the liquid outlet pipe and the liquid in the liquid inlet pipe enters the liquid storage cavity, and the using effect is good;
through opening or closing of control first solenoid valve, second solenoid valve, can make to aerify the piece and to pouring into gas in a set of cavity, the third solenoid valve is automatic opens simultaneously and makes the air escape in another set of cavity, thereby makes the control sliding plate remove to push and pull the diaphragm, realize adjusting the pressure in the stock solution intracavity, full automatic control makes the diaphragm pump use more convenient.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1;
FIG. 2 is a schematic sectional view of embodiment 1;
FIG. 3 is an exploded view of the reservoir shown in example 1;
FIG. 4 is a schematic sectional view of embodiment 2.
Reference numerals: 1. a pump body; 2. a pneumatic assembly; 21. an inflatable member; 22. an air duct; 23. a first solenoid valve; 24. a second solenoid valve; 25. a third solenoid valve; 3. a voltage regulating component; 31. a pressure regulating box; 311. a through hole; 32. a sliding plate; 4. a liquid storage cavity; 41. a fluid cap; 42. a diaphragm; 5. a liquid inlet pipe; 6. a liquid outlet pipe; 7. a one-way plugging member; 8. a connecting assembly; 81. a connecting rod; 811. a first thread; 812. a first nut; 813. a second thread; 814. a second nut; 82. and (4) clamping the plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a high-pressure pneumatic diaphragm pump.
Example 1:
referring to fig. 1 and 2, high-pressure pneumatic diaphragm pump includes the pump body 1, pneumatic subassembly 2, pressure regulating subassembly 3, stock solution chamber 4, feed liquor pipe 5, drain pipe 6 and one-way shutoff piece 7 all set up on the pump body 1, control pressure regulating subassembly 3 through pneumatic subassembly 2 so that the inside pressure increase of stock solution chamber 4 or reduce, thereby make the liquid of stock solution chamber 4 inside get into in drain pipe 6 or make the liquid in the feed liquor pipe 5 enter into stock solution chamber 4, feed liquor pipe 5 and drain pipe 6 all communicate with stock solution chamber 4, one-way shutoff piece 7 sets up in stock solution chamber 4 and feed liquor pipe 5, the hookup location of drain pipe 6, make the one-way flow of liquid, pneumatic subassembly 2, the outside of pressure regulating subassembly 3 is provided with the safety cover, in order to protect the inner structure normal work.
Referring to fig. 1 and 2, in order to improve the efficiency of the diaphragm 42 pump for transferring liquid, the pressure regulating assembly 3 and the liquid storage cavity 4 are both provided with two sets, the pneumatic assembly 2 is arranged in the middle of the pump body 1, the pressure regulating assembly 3 and the liquid storage cavity 4 are sequentially arranged on two sides of the pneumatic assembly 2, when the pressure inside one set of liquid storage cavity 4 is increased to discharge liquid to the liquid outlet pipe 6, the pressure inside the other set of liquid storage cavity 4 is reduced to enable liquid in the liquid inlet pipe 5 to enter the liquid storage cavity 4.
Referring to fig. 2 and 3, in order to adjust the pressure inside liquid storage cavity 4, pressure regulating assembly 3 includes pressure regulating box 31 and sliding plate 32, pressure regulating box 31 is fixed connection on the pump body 1, sliding plate 32 separates the inside of pressure regulating box 31 into two cavitys, sliding plate 32 is along the inside of setting direction sliding connection in pressure regulating box 31 of liquid storage cavity 4, and fixedly connected with spacing strip on the inner wall of pressure regulating box 31, set up the spout with spacing strip sliding adaptation on the sliding plate 32, in order to improve the sliding stability of sliding plate 32, drive sliding plate 32 through pneumatic assembly 2 and slide, when sliding plate 32 slides, the pressure increases in the liquid storage cavity 4 that is located sliding plate 32 slip direction one side, the pressure decreases in the liquid storage cavity 4 that is located the side that deviates from sliding plate 32 slip direction one side;
the liquid storage cavity 4 is composed of a fluid cover 41 and a diaphragm 42, the fluid cover 41 is fixedly connected to the pump body 1, the diaphragm 42 is fixedly connected to one side, close to the pressure regulating box 31, of the fluid cover 41 through screws, the diaphragm 42 is made of soft elastic materials, a connecting assembly 8 is arranged between the diaphragm 42 and the sliding plate 32, and the sliding plate 32 pushes and pulls the diaphragm 42 through the connecting assembly 8 to enable the diaphragm 42 to deform, so that the pressure intensity inside the liquid storage cavity 4 is regulated;
in order to make the sliding plate 32 slide and better drive the diaphragm 42 to deform, the connecting assembly 8 comprises a connecting rod 81 and two sets of clamping plates 82, one end of the connecting rod 81 is fixedly connected to the sliding plate 32, a hole for the connecting rod 81 to penetrate is formed in the pressure regulating box 31, a rubber ring attached to the outer peripheral wall of the connecting rod 81 is fixedly connected in the hole, a through hole for the connecting rod 81 to penetrate is formed in the diaphragm 42, the two sets of clamping plates 82 are respectively arranged on two sides of the diaphragm 42, the diaphragm 42 is fixed by movably abutting between the two sets of clamping plates 82, in the embodiment, the clamping plate 82 close to the sliding plate 32 is fixedly connected to the connecting rod 81, the connecting rod 81 is perpendicular to the sliding plate 32, a first thread 811 is carved on the outer peripheral wall of one end of the connecting rod 81 far away from the sliding plate 32, the clamping plate 82 far away from the sliding plate 32 is sleeved outside the first thread 811, and a first nut 812 is connected to the connecting rod 81 through a thread, first nut 812 is used for the drive to keep away from splint 82 of sliding plate 32 with be close to splint 82 butt of sliding plate 32 realizes that two sets of splint 82 press from both sides tight fixedly to diaphragm 42, when sliding plate 32 slided this moment, can drive connecting rod 81 and splint 82 motion to make diaphragm 42 take place deformation, and splint 82 has increased the area of contact with diaphragm 42, when splint 82 made diaphragm 42 move, can improve the change difference of stock solution chamber 4 inner space, thereby improve stock solution chamber 4's stock solution volume, make this diaphragm 42 pump can discharge more liquid in unit interval, improve diaphragm 42 pump's discharge efficiency.
Referring to fig. 2, in order to drive the sliding plate 32 to slide inside the adjusting boxes, the pneumatic assembly 2 includes an inflating part 21 and two sets of air ducts 22, the two sets of air ducts 22 are both fixedly connected between the two adjusting boxes, both ends of the air duct 22 are communicated with two cavities located on the same side of the sliding plate 32, and the effect of providing pressure through the two cavities at the same time is maintained, so that the present invention increases other effects while maintaining the original effect of the existing diaphragm pump, and the cavities communicated with the two sets of air ducts 22 are different, and the output end of the inflating part 21 is communicated with both sets of air ducts 22, in this embodiment, the inflating part 21 is an air pump, a first electromagnetic valve 23 is fixedly installed between the air pump and the air inlet end of one set of air ducts 22, a second electromagnetic valve 24 is fixedly connected between the air pump and the air inlet end of the other set of air ducts 22, and by controlling the opening or closing of the first electromagnetic valve 23 and the second electromagnetic valve 24, the inflation piece 21 can be inflated into one set of air ducts 22, so that the internal air pressure of one set of cavities is increased to drive the sliding plate 32 to slide, when gas is injected into one set of cavities, in order to facilitate the sliding of the sliding plate 32, the gas in the other set of cavities needs to be discharged, therefore, two sets of through holes 311 respectively communicated with the two cavities are formed in the pressure regulating box 31, third electromagnetic valves 25 for opening and closing the through holes 311 are fixedly installed at the through holes 311, the third electromagnetic valves 25 are electrically connected with the first electromagnetic valve 23 and the second electromagnetic valve 24, when gas is injected into the cavities on one side of the sliding plate 32 by the inflation piece 21, the third electromagnetic valve 25 at the through hole 311 communicated with the cavities on the other side of the sliding plate 32 is opened to facilitate the discharging of the air, the third electromagnetic valve 25 is started with the starting of the first electromagnetic valve 23 and the second electromagnetic valve 24, and the automatic control of the third electromagnetic valve 25 is realized, thereby achieving better operation of the internal structure of the diaphragm 42 pump.
Referring to fig. 2, for realizing the one-way flow of liquid, in this embodiment, one-way shutoff piece 7 is the ball valve, and the ball valve flow direction that is located stock solution chamber 4 and feed liquor pipe 5 junction is by feed liquor pipe 5 towards stock solution chamber 4, and the ball valve flow direction that is located stock solution chamber 4 and drain pipe 6 junction is by stock solution chamber 4 towards drain pipe 6.
The implementation principle of the embodiment 1 is as follows: when this diaphragm 42 pump uses, inject into gas in the different cavitys in pressure regulating box 31 in to pressure regulating subassembly 3 through pneumatic subassembly 2, slide to the direction of difference with drive sliding plate 32, sliding plate 32 slides and carries out the push-and-pull to diaphragm 42 through coupling assembling 8, make the inside pressure increase of a set of stock solution chamber 4, the inside pressure of another set of stock solution chamber 4 reduces, the inside pressure reduction of stock solution chamber 4 can make the liquid in feed liquor pipe 5 pass one-way shutoff piece 7 and get into stock solution chamber 4, the inside pressure increase of stock solution chamber 4 can make the inside liquid of stock solution chamber 4 pass one-way shutoff piece 7 and get into in drain pipe 6, and two sets of stock solution chambers 4 alternately realize flowing back and drawing liquid, improve liquid transportation's efficiency.
Example 2:
referring to fig. 4, a second thread 813 is carved on the outer peripheral wall of one end of the connecting rod 81, which is far away from the sliding plate 32, two sets of second nuts 814 are connected to the connecting rod 81 through threads, the two sets of clamping plates 82 are all sleeved outside the second thread 813, the two sets of second nuts 814 are respectively located on one sides, which are far away from each other, of the two sets of clamping plates 82, the second nuts 814 movably abut against the clamping plates 82, the positions of the second nuts 814 on the connecting rod 81 can be adjusted by rotating the two sets of second nuts 814, and then the positions of the two sets of clamping plates 82 are adjusted, the closer the two sets of clamping plates 82 are to the adjusting box, the greater the tightness of the clamping plates 82 after clamping the diaphragm 42 is increased, so that the influence of the push-pull of the diaphragm 42 on the pressure inside the liquid storage cavity 4 is more accurate, and the liquid can be better extracted and discharged.
The implementation principle of the embodiment 2 is as follows: through adjusting the position that is close to the second nut 814 of pressure regulating box 31 one side, locate a set of splint 82 cover on connecting rod 81, insert the perforation on the diaphragm 42 with connecting rod 81 again, and then install another splint 82 and second nut 814, through adjusting the position of two sets of second nuts 814 on connecting rod 81, thereby can adjust two sets of splint 82 to the tight position of diaphragm 42 clamp, with the rate of tension of adjusting diaphragm 42, it is more accurate to the inside pressure influence of stock solution chamber 4 to make the push-and-pull to diaphragm 42, realization extraction and discharge liquid that can be better.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A high-pressure pneumatic diaphragm pump, comprising a pump body (1), characterized in that: the pump body (1) is sequentially provided with a pneumatic assembly (2), a pressure regulating assembly (3) and a liquid storage cavity (4) from the middle part to two sides, and further comprises a liquid inlet pipe (5) and a liquid outlet pipe (6) which are communicated with the liquid storage cavity (4), and the joints of the liquid storage cavity (4) and the liquid inlet pipe (5) and the liquid outlet pipe (6) are provided with one-way plugging pieces (7);
the pressure regulating assembly (3) comprises a pressure regulating box (31) and a sliding plate (32), the pressure regulating box (31) is arranged on the pump body (1), the sliding plate (32) divides the interior of the pressure regulating box (31) into two cavities, the sliding plate (32) is arranged in the pressure regulating box (31) in a sliding mode along the arrangement direction of the liquid storage cavity (4), when the sliding plate (32) slides, the pressure in the liquid storage cavity (4) on one side of the sliding direction of the sliding plate (32) is increased, so that liquid in the liquid storage cavity (4) enters the liquid outlet pipe (6), and the pressure in the liquid storage cavity (4) on one side of the sliding direction of the sliding plate (32) is reduced, so that liquid in the liquid inlet pipe (5) enters the liquid storage cavity (4);
the pneumatic assembly (2) is used for driving the sliding plate (32) to slide.
2. A high pressure air diaphragm pump according to claim 1, wherein: the liquid storage cavity (4) is composed of a fluid cover (41) and a diaphragm (42), the fluid cover (41) is arranged on the pump body (1), the diaphragm (42) is arranged on one side, close to the pressure regulating box (31), of the fluid cover (41), a connecting assembly (8) is arranged between the diaphragm (42) and the sliding plate (32), and the sliding plate (32) pushes and pulls the diaphragm (42) through the connecting assembly (8).
3. A high pressure air diaphragm pump according to claim 2, wherein: coupling assembling (8) include connecting rod (81) and two sets of splint (82), the one end of connecting rod (81) set up in on sliding plate (32), two sets of splint (82) all set up on connecting rod (81), set up the perforation that supplies connecting rod (81) to wear to establish on diaphragm (42), two sets of splint (82) are located the both sides of diaphragm (42) respectively, and are two sets of movable butt between splint (82).
4. A high pressure air diaphragm pump according to claim 3, wherein: the clamping plate (82) close to the sliding plate (32) is fixedly connected to the connecting rod (81), the outer peripheral wall of one end, far away from the sliding plate (32), of the connecting rod (81) is provided with a first thread (811), the clamping plate (82) far away from the sliding plate (32) is sleeved outside the first thread (811), the connecting rod (81) is connected with a first nut (812) in a threaded mode, and the first nut (812) is used for driving the clamping plate (82) far away from the sliding plate (32) to abut against the clamping plate (82) close to the sliding plate (32).
5. A high pressure air diaphragm pump according to claim 3, wherein: the outer peripheral wall of one end, far away from the sliding plate (32), of the connecting rod (81) is provided with second threads (813), two sets of second nuts (814) are connected to the connecting rod (81) in a threaded mode, the two sets of second nuts (814) are located on two sets of sides, far away from each other, of the clamping plates (82), and the second nuts (814) are movably abutted to the clamping plates (82).
6. A high pressure air diaphragm pump according to claim 1, wherein: the pneumatic component (2) comprises an inflating part (21) and two groups of air guide pipes (22), the two ends of each air guide pipe (22) are communicated with two cavities which are positioned on the same side of the sliding plate (32), the two groups of cavities communicated with the air guide pipes (22) are different, and the output end of the inflating part (21) is communicated with the two groups of air guide pipes (22).
7. A high pressure air diaphragm pump according to claim 6, wherein: a first electromagnetic valve (23) is arranged between the air charging piece (21) and the air inlet end of one group of air guide pipes (22), and a second electromagnetic valve (24) is arranged between the air charging piece (21) and the air inlet end of the other group of air guide pipes (22).
8. A high pressure air diaphragm pump according to claim 7, wherein: the pressure regulating box (31) is provided with two groups of through holes (311) which are respectively communicated with the two cavities, the through holes (311) are provided with third electromagnetic valves (25) which are used for opening and closing the through holes (311), the third electromagnetic valves (25) are electrically connected with the first electromagnetic valves (23) and the second electromagnetic valves (24), and when the air inflation piece (21) injects air into the cavity on one side of the sliding plate (32), the third electromagnetic valves (25) at the through holes (311) which are communicated with the cavity on the other side of the sliding plate (32) are opened.
9. A high pressure air diaphragm pump according to claim 1, wherein: one-way shutoff piece (7) are the ball valve, are located stock solution chamber (4) with the ball valve flow direction of feed liquor pipe (5) junction is by feed liquor pipe (5) towards stock solution chamber (4), is located stock solution chamber (4) with the ball valve flow direction of drain pipe (6) junction is by stock solution chamber (4) towards drain pipe (6).
10. A high pressure air diaphragm pump according to claim 2, wherein: the diaphragm (42) is made of an elastic material.
CN202210450597.4A 2022-04-27 2022-04-27 High-pressure pneumatic diaphragm pump Active CN114922801B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210450597.4A CN114922801B (en) 2022-04-27 2022-04-27 High-pressure pneumatic diaphragm pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210450597.4A CN114922801B (en) 2022-04-27 2022-04-27 High-pressure pneumatic diaphragm pump

Publications (2)

Publication Number Publication Date
CN114922801A true CN114922801A (en) 2022-08-19
CN114922801B CN114922801B (en) 2023-11-28

Family

ID=82806720

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210450597.4A Active CN114922801B (en) 2022-04-27 2022-04-27 High-pressure pneumatic diaphragm pump

Country Status (1)

Country Link
CN (1) CN114922801B (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0018143A1 (en) * 1979-04-13 1980-10-29 Wilden Pump & Engineering Co. Air driven diaphragm pump
EP0781922A1 (en) * 1995-12-28 1997-07-02 Van Wijk Engineering B.V. Double-acting membrane pump
CN200943571Y (en) * 2006-09-07 2007-09-05 陈黎明 Pneumatic double diaphragm pump
CN206257031U (en) * 2016-11-30 2017-06-16 天津市帕瑞铭达科技有限公司 A kind of novel pneumatic barrier film pump installation
CN208416888U (en) * 2018-06-25 2019-01-22 苏州罗曼奇机械科技有限公司 One kind distribution valve assembly on double diaphragm diaphragm pumps
CN110735782A (en) * 2019-07-22 2020-01-31 六安永贞匠道机电科技有限公司 Flexible pneumatic driving method of diaphragm pumps
CN211648416U (en) * 2020-02-20 2020-10-09 奥锐力实业(广州)有限公司 High-pressure pneumatic double-diaphragm pump
CN212337589U (en) * 2020-07-28 2021-01-12 星宇电子(宁波)有限公司 Energy-saving external control type pneumatic diaphragm pump
CN213360087U (en) * 2020-08-13 2021-06-04 四川锦盛油田技术服务有限公司 Continuous automatic agent injection device for natural gas well
CN114320848A (en) * 2021-11-23 2022-04-12 嘉善边锋机械股份有限公司 Diaphragm pump with solar term function

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0018143A1 (en) * 1979-04-13 1980-10-29 Wilden Pump & Engineering Co. Air driven diaphragm pump
EP0781922A1 (en) * 1995-12-28 1997-07-02 Van Wijk Engineering B.V. Double-acting membrane pump
CN200943571Y (en) * 2006-09-07 2007-09-05 陈黎明 Pneumatic double diaphragm pump
CN206257031U (en) * 2016-11-30 2017-06-16 天津市帕瑞铭达科技有限公司 A kind of novel pneumatic barrier film pump installation
CN208416888U (en) * 2018-06-25 2019-01-22 苏州罗曼奇机械科技有限公司 One kind distribution valve assembly on double diaphragm diaphragm pumps
CN110735782A (en) * 2019-07-22 2020-01-31 六安永贞匠道机电科技有限公司 Flexible pneumatic driving method of diaphragm pumps
CN211648416U (en) * 2020-02-20 2020-10-09 奥锐力实业(广州)有限公司 High-pressure pneumatic double-diaphragm pump
CN212337589U (en) * 2020-07-28 2021-01-12 星宇电子(宁波)有限公司 Energy-saving external control type pneumatic diaphragm pump
CN213360087U (en) * 2020-08-13 2021-06-04 四川锦盛油田技术服务有限公司 Continuous automatic agent injection device for natural gas well
CN114320848A (en) * 2021-11-23 2022-04-12 嘉善边锋机械股份有限公司 Diaphragm pump with solar term function

Also Published As

Publication number Publication date
CN114922801B (en) 2023-11-28

Similar Documents

Publication Publication Date Title
US657007A (en) Valve for pneumatic tires of bicycles.
CN113389913A (en) Air bag valve
CN114922801A (en) High-pressure pneumatic diaphragm pump
CN113175032B (en) Pressure water supply device
CN213156642U (en) Pulse water pump and tooth washing device
CN210769237U (en) Pump and liquid conveying equipment
EP0168656B1 (en) An automatic degassing device in a reciprocating pump
CA2404427A1 (en) Valve assembly for a pressure flush system
CN216692240U (en) Vacuum grey water valve for ship
CN209943054U (en) Diaphragm pump with function of preventing diaphragm capsule from being shriveled
CN215253187U (en) Pressure water supply device
CN214789054U (en) Right-angle steering type fluid on-off pneumatic control valve
CA1201933A (en) Air operated diaphragm pump system
CN109307453B (en) Toy water gun with two water storage tanks
CN2260934Y (en) Diaphrgm type liquid-level automatic control valve
CN208519011U (en) A kind of booster pump recycling gas
CA1108007A (en) Pumps
CN221220707U (en) Pneumatic high-pressure pump
EP0200510A2 (en) Improvements in or relating to pumps
CN221442801U (en) Wear-resistant emulsion pump unloading valve
CN111395485B (en) Intelligent control interface valve for sewage collection and variable control method
CN211774188U (en) Novel vertical diaphragm air pressure tank
JPS56163770A (en) Liquid injector
CN218933312U (en) Air bag type constant pressure water supplementing device
CN219526336U (en) Tank-type filtering device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant