CN210949297U

CN210949297U - Automatic pneumatic liquid pump

Info

Publication number: CN210949297U
Application number: CN201921885926.8U
Authority: CN
Inventors: 余鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-07-07
Anticipated expiration: 2029-11-04

Abstract

The utility model relates to an automatic pneumatic liquid pump, which comprises an outer pipe body, a drain pipe and a water inlet pipe, wherein the outer pipe body is provided with a first air port, a second air port, a first valve needle and a second valve needle, a control component which separates the second valve needle from the second air port when the first valve needle is sealed with the first air port and separates the first valve needle from the first air port when the second valve needle is sealed with the second air port is arranged in the outer pipe body, the control component comprises a buoy, a driving rod and a driving arm, the buoy is sleeved with the drain pipe, the driving rod penetrates through the buoy, the driving rod is arranged above the buoy and is provided with an upper stop dog, a lower stop dog is arranged below the buoy, a spring is arranged between the lower stop dog and the buoy, one end of the driving arm is hinged with the driving rod, the driving arm is hinged with the drain pipe through the first hinge shaft, the first valve needle and the, the first valve needle and the second valve needle move synchronously along the up-and-down direction. The utility model discloses a liquid pump can realize automatic cycle drawing liquid.

Description

Automatic pneumatic liquid pump

Technical Field

The utility model relates to an automatic pneumatic drawing liquid pump.

Background

The pump is a machine that delivers or pressurizes a fluid and transfers mechanical energy of a prime mover or other external energy to the fluid to increase the energy of the fluid. The reciprocating pump is a pump which utilizes the reciprocating motion of a piston to convey liquid, energy is directly conveyed in the form of static pressure energy by the reciprocating motion of the piston, and the liquid is incompressible, so that the liquid can bear high pressure and obtain high lift when the piston pumps the liquid; the rotor pump is composed of a static outer tube body and a rotating rotor, energy is directly acted on liquid in a static pressure mode by one side, which is contacted with the liquid, of the rotor in the pump body, the liquid is discharged by virtue of the extrusion effect of the rotating rotor, and meanwhile, a space is reserved at the other side to form low pressure so as to enable the liquid to be continuously sucked.

Disclosure of Invention

The utility model aims at: in order to overcome the defects of the prior art, the utility model provides an automatic pneumatic liquid pump, which uses compressed air to send liquid from one position to another position, and has good liquid pumping effect and low manufacturing cost.

The technical scheme of the utility model: an automatic pneumatic liquid pump comprises an outer pipe body, a drain pipe and a water inlet pipe which are positioned at the upper end and the lower end of the outer pipe body, wherein a check valve assembly is arranged on the water inlet pipe, the lower end of the drain pipe is arranged in the outer pipe body and extends towards the water inlet pipe, a first air port and a second air port are arranged on the outer pipe body, a first valve needle penetrating the first air port and a second valve needle penetrating the second air port are also arranged in the outer pipe body, a control assembly used for separating the second valve needle from the second air port when the first valve needle is attached and sealed with the first air port and separating the first valve needle from the first air port when the second valve needle is attached and sealed with the second air port is also arranged in the outer pipe body, the control assembly comprises a buoy, a driving rod and a driving arm, the buoy is sleeved on the drain pipe in a sliding manner, the driving rod penetrates through the buoy, an upper stop block, the upper stop dog is located above the buoy, the lower stop dog is located below the buoy, a spring is arranged between the lower stop dog and the buoy, one end of the driving arm is a hinged end, the other end of the driving arm is a free end, the hinged end is hinged with the upper end of the driving rod, the driving arm is hinged with a drain pipe through a first hinged shaft, the first valve needle and the second valve needle are hinged with the driving arm through a second hinged shaft, the first hinged shaft and the second hinged shaft are arranged in parallel, and the first valve needle and the second valve needle move synchronously in the vertical direction.

By adopting the technical scheme, the first air port is connected with an air inlet pipe, the air inlet pipe can enter compressed air, the second air port is connected with an exhaust pipe, when the pump body is vertically immersed in liquid, the exhaust pipe and the air port are exposed, the hydraulic pressure at the moment is greater than the air pressure in the pump body, the liquid enters the outer pipe body upwards, the liquid pushes up the valve core of the one-way valve component, the one-way valve component is opened upwards, the outer pipe body at the moment continues to feed water upwards to push the buoy upwards, the buoy rises in the outer pipe body and abuts against the upper stop dog, the driving rod can be driven to synchronously move upwards, so that the hinged end of the driving arm is driven to move upwards, the free end moves downwards, the first valve needle and the second valve needle hinged on the driving arm simultaneously move upwards or downwards, the second air port is closed, the first air port is opened, the, the air pressure is higher than the hydraulic pressure, the liquid can be upwards discharged through the drain pipe under the action of compressed air, the liquid level in the pump is gradually reduced, the buoy also compresses the spring along with the liquid level reduction, when the spring is compressed to a certain degree, the buoy can drive the driving rod to synchronously move downwards so as to drive the hinged end of the driving arm to move downwards and the free end to move upwards, so that the first valve needle and the second valve needle synchronously move downwards or upwards, the second air port is opened, the first air port is closed, the compressed air of the outer pipe body is discharged through the second air port, after the compressed air is discharged, the air pressure of the pump body is lower than the hydraulic pressure, the pump at the moment continuously feeds the liquid, the automatic liquid feeding and discharging of the pump body are realized through the pressure difference between the compressed air and the liquid, the continuous circulation is carried out until the liquid can not fill the outer pipe body or the compressed air, the invention is powered by compressed air, which eliminates the spark danger of the electric pump, and has good liquid pumping effect, low manufacturing cost and long service life.

The utility model discloses a further setting: the first air port is an air inlet, the second air port is an air outlet, a first sealing surface is arranged on the inner wall of the first air port, a second sealing surface is arranged on the inner wall of the second air port, a first valve head which can be attached to the first sealing surface to seal the first air port is further arranged on the first valve needle, a second valve head which can be attached to the second sealing surface to seal the second air port is arranged on the second valve needle, the first sealing surface is located below the first valve head, the second sealing surface is located above the second valve head, and the valve needle is arranged close to the hinged end relative to the second hinged shaft.

Adopt above-mentioned further setting, the realization buoy that can be fine upwards, the air inlet admits air, and the buoy is downward, and the gas vent is given vent to anger, and realizes closing of gas port through sealed face and the sealed of valve head, and the leakproofness is good, simple structure, and processing is convenient.

The utility model discloses a further setting again: the check valve component comprises a floating ball and a third sealing surface, the third sealing surface is arranged on the inner wall of a water inlet pipe in an outer pipe body, a fourth sealing surface which can be attached and sealed with the third sealing surface is arranged on the lower end surface of the floating ball, a plurality of anti-falling columns are arranged on the periphery of the third sealing surface, a mounting plate is arranged on each anti-falling column, the lower ends of the anti-falling columns are fixed with the water inlet pipe or are arranged integrally, a containing cavity is formed by the mounting plate, the anti-falling columns and the water inlet pipe, the floating ball can float in the containing cavity, and the lower end of the water outlet pipe penetrates through the mounting plate and.

By adopting the above further arrangement, the mounting plate, the anti-drop column and the water inlet pipe form the accommodating cavity, the structure is simple, the excessive displacement of the floating ball can be effectively prevented, the floating ball cannot reset and form sealing with the third sealing surface, when the floating ball floats upwards in the accommodating cavity, the fourth sealing surface is separated from the third sealing surface, and the water inlet pipe at the moment can be filled with liquid.

The utility model discloses a still further set up: the first valve needle and the second valve are symmetrically distributed on two sides of the drain pipe, the driving arms are provided with two groups corresponding to the first valve needle and the second valve needle, the middle parts of the driving arms are provided with movable grooves, the lower ends of the first valve needle and the second valve needle are hinged in the corresponding movable grooves through second hinge shafts, a mounting seat is hinged between the hinged ends of the two driving arms, the mounting seat is fixedly arranged at the upper end of the driving rod, and a balancing weight is hinged between the free ends of the two driving arms.

By adopting the above further arrangement, the assembly structure of the first valve needle and the second valve needle is simple, and the mounting seat and the counterweight block are correspondingly arranged, so that the driving arm is more stable in up-and-down swinging.

The utility model discloses a still further set up: the outer tube body is internally provided with a first magnet arranged above the hinged end corresponding to the driving arm and a second magnet arranged above the free end corresponding to the driving arm, the first magnet can adsorb the hinged end of the driving arm, and the second magnet can adsorb the free end of the driving arm.

Adopt above-mentioned still further setting again, first gas port when sealed, the free end is adsorbed by second magnet, when the second gas port is sealed, the hinged end is adsorbed by first magnet for the leakproofness between valve head and the sealed face is better, can not open easily.

The utility model discloses a still further set up: the fourth sealed surface of floater is spherical to be set up, and the upper end of floater has seted up the hole, and the floater lateral wall has seted up the side opening near the drain pipe position, the hole and side opening switch on.

By adopting the above further arrangement, the fourth sealing surface is spherical, so that liquid can overflow from the side edge, part of the liquid flows into the outer tube body, part of the liquid enters from the side hole of the floating ball, and the upper hole of the floating ball flows out of the drainage tube.

The utility model discloses a still further set up: a plurality of filtering holes are arranged on the water inlet pipe positioned outside the outer pipe body.

With the above still further arrangement, the filter holes can filter impurities in the liquid.

The utility model discloses a still further set up: the upper surface of the outer pipe body is provided with two hanging rings which are distributed on two sides of the drain pipe.

With still further arrangement as described above, the suspension ring allows the pump to be suspended vertically submerged in the fluid in the sump or well.

The utility model discloses a still further set up: a one-way valve is also arranged in the upper end part of the drain pipe.

With the above still further arrangement, the liquid discharged upward is prevented from flowing back into the drain pipe.

Drawings

FIG. 1 is a block diagram of an embodiment of the present invention;

FIG. 2 is an internal structural view of an embodiment of the present invention;

FIG. 3 is a cross-sectional view of one side of a second port in an embodiment of the invention;

FIG. 4 is a cross-sectional view of one side of a first port in an embodiment of the invention;

FIG. 5 is a cross-sectional view of one side of an actuator arm in an embodiment of the invention;

FIG. 6 is an enlarged view of a portion I of FIG. 2;

FIG. 7 is a structural diagram of the floating ball and the water inlet pipe in the embodiment of the present invention;

FIG. 8 is a perspective view of a valve needle according to an embodiment of the present invention;

FIG. 9 is a partial enlarged view of portion A of FIG. 3;

fig. 10 is a partially enlarged view of a portion B in fig. 4;

FIG. 11 is an enlarged view of a portion C of FIG. 5;

fig. 12 is a partially enlarged view of the portion III in fig. 8.

The outer tube body 1, the drain pipe 2, the water inlet pipe 3, the first air port 11, the second air port 12, the first valve needle 5, the second valve needle 6, the buoy 71, the driving rod 72, the driving arm 73, the upper stop 721, the lower stop 722, the spring 74, the hinged end 731, the free end 732, the first hinged shaft 8, the second hinged shaft 9, the first sealing surface 111, the second sealing surface 121, the first valve head 51, the second valve head 61, the movable groove 733, the mounting seat 101, the counterweight block 102, the first magnet 131, the second magnet 132, the hanging ring 14, the check valve 15, the floating ball 41, the third sealing surface 42, the fourth sealing surface 411, the anti-drop column 161, the mounting plate 162, the accommodating cavity 16, the upper hole 171, the side hole 172, and the filter hole 18.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper and lower … …) in the description of the present invention are only used to explain the relative position relationship between the components, the movement, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a number" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1-12, the automatic pneumatic liquid pump of the present invention comprises an outer tube 1, a water discharging tube 2 and a water inlet tube 3 located at the upper and lower ends of the outer tube 1, a check valve assembly is disposed on the water inlet tube 3, the lower end of the water discharging tube 2 is disposed in the outer tube 1 and extends toward the water inlet tube 3, the outer tube 1 is provided with a first air port 11 and a second air port 12, the outer tube 1 is further provided with a first valve needle 5 penetrating the first air port 11 and a second valve needle 6 penetrating the second air port 12, the outer tube 1 is further provided with a control assembly for separating the second valve needle 6 from the second air port 12 when the first valve needle 5 is attached and sealed with the first air port 11 and separating the first valve needle 5 from the first air port 11 when the second valve needle is attached and sealed with the second air port 12, the control assembly comprises a float 71, a driving rod 72 and a driving arm 73, the buoy 71 is sleeved on the drain pipe 2 in a sliding manner, the driving rod 72 is arranged in a manner of penetrating through the buoy 71, an upper stop 721 and a lower stop 722 are arranged on the driving rod 72, the upper stop 721 is positioned above the buoy 71, the lower stop 722 is positioned below the buoy 71, a spring 74 is arranged between the lower stop 722 and the buoy 71, one end of the driving arm 73 is a hinged end 731, the other end of the driving arm 73 is a free end 732, the hinged end 731 is hinged with the upper end of the driving rod 72, the driving arm 73 is hinged with the drain pipe 2 through a first hinged shaft 8, the first valve needle 5 and the second valve needle 6 are hinged with the driving arm 73 through a second hinged shaft 9, the first hinged shaft 8 and the second hinged shaft 9 are arranged in parallel, and the first valve needle 5 and the second valve needle 6 synchronously move along the up and down direction; the first air port 11 is an air inlet, the second air port 12 is an air outlet, a first sealing surface 111 is arranged on the inner wall of the first air port 11, a second sealing surface 121 is arranged on the inner wall of the second air port 12, the first valve needle 5 is also provided with a first valve head 51 which can be attached to the first sealing surface 111 to seal the first air port 11, the second valve needle 6 is provided with a second valve head 61 which can be attached to the second sealing surface 121 to seal the second air port 12, the first sealing surface 111 is positioned below the first valve head 51, the second sealing surface 121 is positioned above the second valve head 61, and the valve needle is arranged close to a hinge end 731 relative to the second hinge shaft 9; the first valve needle 5 and the second valve needle 6 are symmetrically distributed at two sides of the drain pipe 2, two groups of driving arms 73 are arranged corresponding to the first valve needle 5 and the second valve needle 6, a movable groove 733 is arranged at the middle part of each driving arm 73, the lower ends of the first valve needle 5 and the second valve needle 6 are hinged in the corresponding movable groove 733 through a second hinge shaft 9, an installation seat 101 is hinged between the hinge ends 731 of the two driving arms 73, the installation seat 101 is fixedly arranged at the upper end of the driving rod 72, and a balancing weight 102 is hinged between the free ends 732 of the two driving arms 73; the outer tube 1 is provided with a first magnet 131 arranged above a hinge end 731 of the driving arm 73 and a second magnet 132 arranged above a free end 732, wherein the first magnet 131 can absorb the hinge end 731 of the driving arm 73, and the second magnet 132 can absorb the free end 732 of the driving arm 73. The air inlet 11 is connected with an air inlet pipe, the air inlet pipe can be filled with compressed air, the air outlet 12 is connected with an air outlet pipe, when the pump body is vertically immersed in liquid, the water outlet pipe 2 and the air outlet are exposed, the hydraulic pressure at the moment is greater than the air pressure in the pump body, the liquid enters the outer pipe body 1 upwards, the liquid pushes up the valve core of the one-way valve component, the one-way valve component is opened upwards, the outer pipe body 1 at the moment continues to enter water upwards to push the buoy 71 upwards, the buoy 71 ascends in the outer pipe body 1 to abut against the upper stop block 721 and then can drive the driving rod 72 to synchronously move upwards, so that the hinged end 731 of the driving arm 73 is driven to move upwards, the free end 732 moves downwards to enable the first and

second valve needles

5 and 6 hinged on the driving arm 73 to simultaneously move upwards or downwards to realize the closing of the air outlet 12, the, the air pressure is higher than the hydraulic pressure, the liquid can be discharged upwards through the drain pipe 2 under the action of compressed air, the liquid level in the pump is gradually reduced, the buoy 71 also compresses the spring 74 along with the liquid level reduction, when the spring 74 is compressed to a certain degree, the buoy 71 can drive the driving rod 72 to synchronously move downwards so as to drive the hinged end 731 of the driving arm 73 to move downwards, the free end 732 moves upwards so as to synchronously move downwards or upwards the first valve needle 5 and the second valve needle 6, the opening of the second exhaust port 12 is realized, the air inlet 11 is closed, the compressed air in the outer pipe body 1 is discharged through the exhaust port 12, after the compressed air is discharged, the air pressure of the pump body is lower than the hydraulic pressure, the pump at the moment continuously feeds the liquid, the automatic liquid feeding and discharging of the pump body are realized through the pressure difference between the compressed air and the liquid, the continuous circulation is realized until the liquid can not fill the outer pipe, in addition, the invention is powered by compressed air, which eliminates the spark danger of the electric pump, and has good liquid pumping effect, low manufacturing cost and long service life.

The utility model discloses a concrete embodiment, outer body 1 upper surface on be equipped with two rings 14, rings 14 distribute in the both sides of drain pipe 2. The lifting eye 14 allows the pump to be suspended vertically submerged in the fluid in the sump or well.

The utility model discloses a concrete embodiment, still be equipped with check valve 15 in the upper end of drain pipe 2. The liquid discharged upward is prevented from flowing back into the drain pipe 2.

The specific embodiment of the utility model, the check valve assembly include floater 41 and third sealed face 42, third sealed face 42 set up on being in outer body 1 inner wall of inlet tube 3, the terminal surface is equipped with can with third sealed face 42 laminating sealed fourth sealed face 411 under the floater 41, be equipped with a plurality of anticreep posts 161 in third sealed face 42 periphery, anticreep post 161 facial make-up is equipped with mounting panel 162, anticreep post 161 lower extreme and inlet tube 3 fixed or integrative setting, mounting panel 162, anticreep post 161 and inlet tube 3 form holding chamber 16, floater 41 can float in holding chamber 16, the lower extreme of drain pipe 3 wear to establish mounting panel 162 and extend to holding chamber 16; the fourth sealing surface 411 of the floating ball 41 is spherically arranged, an upper hole 171 is formed at the upper end of the floating ball 41, a side hole 172 is formed at the position, close to the drain pipe 2, of the side wall of the floating ball 41, and the upper hole 171 is communicated with the side hole 172. The mounting plate 162, the anti-drop column 161 and the water inlet pipe 3 form an accommodating cavity 16, the structure is simple, the excessive displacement of the floating ball 41 can be effectively prevented, the floating ball cannot be reset to form a seal with the third sealing surface 42, when the floating ball 41 floats upwards in the accommodating cavity 6, the fourth sealing surface 411 is separated from the third sealing surface 42, and at the moment, the water inlet pipe 3 can be filled with liquid; and the fourth sealing surface 411 is spherical, so that liquid can overflow from the side, part of the liquid flows into the outer tube 1, part of the liquid enters from the side hole 172 of the floating ball 41, and the upper hole 171 of the floating ball 41 flows out into the drain pipe 3.

The specific embodiment of the utility model provides a plurality of filtration holes 18 have been seted up on being located the outer inlet tube 3 of outer body 1. The filter holes 18 can filter impurities in the liquid.

Claims

1. An automatic pneumatic liquid pump is characterized by comprising an outer pipe body, drain pipes and a water inlet pipe, wherein the drain pipes and the water inlet pipe are positioned at the upper end and the lower end of the outer pipe body, a check valve assembly is arranged on the water inlet pipe, the lower end of the drain pipe is arranged in the outer pipe body and extends towards the water inlet pipe, a first air port and a second air port are arranged on the outer pipe body, a first valve needle penetrating through the first air port and a second valve needle penetrating through the second air port are further arranged in the outer pipe body, a control assembly used for separating the second valve needle from the second air port when the first valve needle is attached and sealed with the first air port and separating the first valve needle from the first air port when the second valve needle is attached and sealed with the second air port is further arranged in the outer pipe body, the control assembly comprises a buoy, a driving rod and a driving arm, the buoy is sleeved on the drain pipe in a sliding manner, the driving rod penetrates, the upper stop dog is located above the buoy, the lower stop dog is located below the buoy, a spring is arranged between the lower stop dog and the buoy, one end of the driving arm is a hinged end, the other end of the driving arm is a free end, the hinged end is hinged with the upper end of the driving rod, the driving arm is hinged with a drain pipe through a first hinged shaft, the first valve needle and the second valve needle are hinged with the driving arm through a second hinged shaft, the first hinged shaft and the second hinged shaft are arranged in parallel, and the first valve needle and the second valve needle move synchronously in the vertical direction.

2. The automatic pneumatic liquid pump according to claim 1, wherein the first air port is an air inlet, the second air port is an air outlet, a first sealing surface is disposed on an inner wall of the first air port, a second sealing surface is disposed on an inner wall of the second air port, the first valve needle is further provided with a first valve head which can be attached to the first sealing surface to seal the first air port, the second valve needle is provided with a second valve head which can be attached to the second sealing surface to seal the second air port, the first sealing surface is located below the first valve head, the second sealing surface is located above the second valve head, and the valve needle is disposed near the hinge end relative to the second hinge shaft.

3. The automatic pneumatic liquid pump according to claim 1 or 2, wherein the check valve assembly includes a floating ball and a third sealing surface, the third sealing surface is disposed on an inner wall of the inlet pipe in the outer pipe body, a lower end surface of the floating ball is provided with a fourth sealing surface capable of being attached to the third sealing surface, a plurality of anti-dropping pillars are disposed on an outer periphery of the third sealing surface, a mounting plate is mounted on the anti-dropping pillars, a lower end of the anti-dropping pillars is fixed to or integrally disposed with the inlet pipe, the mounting plate, the anti-dropping pillars and the inlet pipe form a receiving cavity, the floating ball can float in the receiving cavity, and a lower end of the outlet pipe penetrates through the mounting plate and extends into the receiving cavity.

4. The automatic pneumatic liquid pump according to claim 3, wherein the first valve needles and the second valve needles are symmetrically distributed on both sides of the drain pipe, two sets of driving arms are provided corresponding to the first valve needles and the second valve needles, a movable groove is provided in the middle of the driving arm, the lower ends of the first valve needles and the second valve needles are hinged in the corresponding movable grooves through second hinge shafts, a mounting seat is hinged between the hinge ends of the two driving arms, the mounting seat is fixedly provided at the upper end of the driving arm, and a balancing weight is hinged between the free ends of the two driving arms.

5. An automatic pneumatic liquid pump according to claim 4, wherein the outer tube has a first magnet disposed over the hinged end of the drive arm and a second magnet disposed over the free end of the drive arm, the first magnet being adapted to attract the hinged end of the drive arm and the second magnet being adapted to attract the free end of the drive arm.

6. The automatic pneumatic liquid pump according to claim 5, wherein the fourth sealing surface of the floating ball is spherical, an upper hole is formed at the upper end of the floating ball, a side hole is formed at a position of the side wall of the floating ball, which is close to the drain pipe, and the upper hole is communicated with the side hole.

7. The automatic pneumatic liquid pump according to claim 6, wherein the inlet tube is provided with a plurality of filtering holes.

8. An automatic pneumatic liquid pump according to claim 7, wherein the outer body has two rings on its upper surface, the rings being disposed on opposite sides of the drain pipe.

9. An automated pneumatic liquid aspiration pump according to claim 8, wherein a one-way valve is further provided in the upper end of the drain tube.