A liquid variable capacity water pump capable of generating nano bubbles and its application method

Abstract

The invention relates to a liquid variable displacement water pump capable of generating nanobubbles and an application method thereof, comprising a pump body shell, a partition plate is arranged in the middle of the pump body shell, a first sealing bearing is arranged on the partition plate, an aeration blade is arranged on the output shaft of a driving motor, a dust filter screen and a microporous screen are arranged on the partition plate, and a water inlet pipe and an air inlet pipe are also connected to the pump body shell; a plurality of piston cylinders are arranged in annular distribution on the inner wall of a second chamber, a piston is arranged in the piston cylinder, a nanobubble generating head passing through the pump body shell is detachably connected at one end of the piston cylinder, and a guide sleeve for guiding the piston and an elastic reset member for resetting the piston are arranged at the other end; a liquid inlet groove is arranged at the end of the piston cylinder; a cam mechanism for driving the movement of a plurality of pistons is arranged on the output shaft of the driving motor; by applying the method of the application, aeration mixing and compression are integrated in a water pump, and the pump has the ability to filter and remove impurities from water bodies, thereby reducing the cost of the equipment.

Description

Technical Field

[0001] The present invention relates to the technical field of liquid variable displacement water pumps, and more specifically, to a liquid variable displacement water pump capable of generating nano bubbles and an application method thereof. Background Art

[0002] Micro-nano bubbles have a wide range of uses in the fields of water treatment, health care, food processing, industrial production, environmental protection, scientific research, etc. With the continuous development and improvement of nanotechnology, the application prospects and market space will be more extensive;

[0003] At present, the device for generating micro-nano bubbles usually includes multiple links, such as a gas mixing unit for mixing liquid and air, a pressure tank for increasing the pressure, a water pump, a nano nozzle, etc. The overall volume of the device is large and requires a large space. At the same time, the efficiency of nano bubble generation is not high. There is a need for a liquid variable displacement water pump that can generate nano bubbles and effectively reduce the volume of the equipment and has high efficiency, and an application method thereof. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a liquid variable displacement water pump capable of generating nanobubbles in view of the above-mentioned defects of the prior art, and also to provide an application method of the liquid variable displacement water pump capable of generating nanobubbles.

[0005] The technical solution adopted by the present invention to solve its technical problem is:

[0006] A liquid variable displacement water pump capable of generating nanobubbles is constructed, wherein the pump housing comprises a closed pump housing, a longitudinal annular partition is arranged in the middle of the pump housing, and the partition divides the interior of the pump housing into a first chamber and a second chamber; a driving motor and a waterproof housing for protecting the driving motor are fixedly arranged in the first chamber, a first sealed bearing matched with an output shaft of the driving motor is arranged on the partition, and the output shaft of the driving motor passes through the partition, and a rotating seat matched with the output shaft of the driving motor is arranged in the second chamber; an air mixing blade is arranged on the output shaft of the driving motor, and the direction of the air mixing blade driving the water flow is toward the partition, and the partition is provided with holes for water flow to pass through and a cover on the hole. a dust filter and a microporous mesh, the pump body shell is also connected to a water inlet pipe and an air inlet pipe connected to the first chamber; the inner wall of the second chamber is annularly distributed with a plurality of piston cylinders, a piston is arranged in the piston cylinder, one end of the piston cylinder is detachably connected with a nano bubble generating head passing through the pump body shell, and the other end is provided with a guide sleeve for guiding the piston and an elastic reset member for resetting the piston; a liquid inlet groove is arranged at the end of the piston cylinder; a cam mechanism for driving the movement of the plurality of pistons is arranged on the output shaft of the drive motor; the cam mechanism is rotationally connected to the output shaft of the drive motor; a reducer is arranged on the partition, and the reducer is driven by the output shaft of the drive motor and is used to reduce the rotation speed of the cam mechanism.

[0007] The liquid variable displacement water pump capable of generating nanobubbles described in the present invention, wherein the reducer comprises a mounting tube penetrated and fixed on the partition, and both ends of the mounting tube are provided with first sealed bearings that cooperate with the output shaft of the drive motor; a sun gear is fixed on the output shaft of the drive motor, an inner gear ring is provided on the side surface of the cam mechanism, and one end of the mounting tube is rotatably provided with a plurality of planetary gears that mesh with the sun gear and the inner gear ring.

[0008] The liquid variable displacement water pump capable of generating nanobubbles described in the present invention further includes a second sealed bearing, the outer ring of the second sealed bearing is seal-welded to the side surface of the inner gear ring, and the inner ring sealing sleeve of the second sealed bearing is arranged at the end of the mounting tube.

[0009] In the liquid variable displacement water pump capable of generating nanobubbles described in the present invention, the gas mixing blades include a fixing ring fixedly sleeved on the output shaft of the driving motor, and a plurality of blades are evenly distributed on the outer surface of the fixing ring.

[0010] The liquid variable displacement water pump capable of generating nanobubbles of the present invention comprises a dividing net for dividing bubbles provided at one end of the blade away from the fixing ring, and the mesh size of the dividing net is larger than the mesh size of the microporous net.

[0011] The liquid variable displacement water pump capable of generating nanobubbles of the present invention has an annular gap between the outer surface of the waterproof shell and the inner wall of the pump body shell, and the end of the dividing net extends into the gap.

[0012] The liquid variable displacement water pump capable of generating nanobubbles of the present invention comprises a nanobubble generating head comprising a threaded mounting seat, a through hole is provided on the threaded mounting seat, and one or more layers of nano-mesh are provided in the through hole.

[0013] A method for applying a liquid variable displacement water pump capable of generating nanobubbles, using the liquid variable displacement water pump capable of generating nanobubbles as described above, wherein the method comprises the following steps:

[0014] Water and air are introduced into the first chamber through the water inlet pipe and the air inlet pipe respectively, and the driving motor drives the mixing blade to rotate. The mixing blade rotates to mix water and gas, and the mixed liquid is sent into the second chamber. The dust filter filters the liquid passing through it, and the microporous mesh separates bubbles.

[0015] The driving motor relies on the reducer to decelerate the cam mechanism, and the cam mechanism rotates to contact and press multiple pistons in sequence; the squeezed piston will squeeze the corresponding piston cylinder, change the volume in the piston cylinder, and the pressure in the piston cylinder will increase to squeeze the internal mixed gas liquid out of the pump body shell through the nano bubble generating head to form a liquid containing nano bubbles; the unsqueezed piston will be reset to the initial state under the action of the elastic reset member, at this time the liquid inlet groove will be opened, and the mixed gas liquid in the second chamber will enter the piston cylinder through the liquid inlet groove; the piston cylinder is provided with a mounting hole corresponding to the threaded mounting seat and a sealing ring for sealing the mounting connection.

[0016] The beneficial effects of the present invention are as follows: water and air are respectively introduced into the first chamber through the water inlet pipe and the air inlet pipe, the driving motor drives the mixing blade to rotate, the mixing blade rotates to mix water and gas, and the mixed liquid is sent into the second chamber, the dust filter screen filters the liquid passing through it, and the microporous net performs bubble segmentation; the driving motor relies on the reducer to reduce the speed of the cam mechanism, and the cam mechanism rotates to contact and press multiple pistons in sequence; the squeezed piston squeezes the corresponding piston cylinder, changes the volume in the piston cylinder, and the pressure in the piston cylinder increases to squeeze the internal mixed liquid out of the pump body shell from the nano bubble generating head to form a liquid containing nano bubbles; the unsqueezed piston will reset to the initial state under the action of the elastic reset member, at this time the liquid inlet tank will open, and the mixed liquid in the second chamber will enter the piston cylinder from the liquid inlet tank; by using the method of the present application, a liquid containing nano bubbles can be continuously and uninterruptedly generated, and the integrity is good and the integration is high, the mixing and compression are integrated in one water pump, and the ability to filter and remove impurities from the water body is combined, thereby reducing the cost of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. The drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work:

[0018] Figure 1 It is a cross-sectional view of a liquid variable displacement water pump capable of generating nano bubbles according to a preferred embodiment of the present invention. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the following will be described clearly and completely in combination with the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are partial embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the protection scope of the present invention.

[0020] The liquid variable displacement water pump capable of generating nano bubbles in a preferred embodiment of the present invention is as follows: Figure 1As shown, it includes a closed pump body shell 1, a longitudinal annular partition 2 is arranged in the middle of the pump body shell 1, and the partition 2 divides the interior of the pump body shell 1 into a first chamber and a second chamber; a driving motor 3 and a waterproof shell 30 for protecting the driving motor are fixedly arranged in the first chamber, a first sealed bearing 20 matched with the output shaft of the driving motor is arranged on the partition 2, and the output shaft of the driving motor 3 passes through the partition 2, and a rotating seat 4 matched with the output shaft of the driving motor 3 is arranged in the second chamber; an air mixing blade 31 is arranged on the output shaft of the driving motor 3, and the direction of the air mixing blade 31 driving the water flow to flow toward the partition 2, and the partition 2 is provided with a hole 21 for water flow to pass through and a dust filter 22 and a microporous mesh 23 covering the hole, and the pump body shell 1 is also connected to a water inlet pipe 10 and an air inlet pipe 11 connected to the first chamber; the inner wall of the second chamber is annular A plurality of piston cylinders 5 are arranged in a shaped distribution, a piston 6 is arranged in the piston cylinder 5, one end of the piston cylinder 5 is detachably connected with a nano bubble generating head 7 penetrating the pump body shell 1, and the other end is provided with a guide sleeve 50 for guiding the piston 6 and an elastic reset member 51 for resetting the piston; a liquid inlet groove 52 is arranged at the end of the piston cylinder 5 (the liquid inlet groove 52 is located on the inner wall of the piston cylinder, one end of the liquid inlet groove 52 extends into the middle of the piston cylinder 5, and the other end is connected to the end of the piston cylinder 5. The number of liquid inlet grooves 52 can be one or more, and the size can be designed according to the actual size of the piston cylinder 5); a cam mechanism 8 for driving the movement of multiple pistons 6 is arranged on the output shaft of the driving motor 3; the cam mechanism 8 is rotatably connected to the output shaft of the driving motor 3; a reducer 9 is arranged on the partition 2, and the reducer 9 is driven by the output shaft of the driving motor 3, and is used to reduce the rotation speed of the cam mechanism 8;

[0021] Water and air are introduced into the first chamber through the water inlet pipe 10 and the air inlet pipe 11 respectively, and the driving motor 3 drives the mixing blade 31 to rotate. The mixing blade 31 rotates to mix water and gas, and sends the mixed liquid (through the holes, multiple holes can be set as needed) into the second chamber, the dust filter 22 filters the liquid passing through it, and the microporous mesh 23 performs bubble segmentation; the driving motor 3 relies on the reducer 9 to reduce the speed of the cam mechanism 8, and at the same time increases the output torque of the cam mechanism 8. The cam mechanism 8 rotates and presses multiple pistons 6 in turn; the squeezed piston 6 squeezes the corresponding piston cylinder 5, changes the volume in the piston cylinder 5, and the pressure in the piston cylinder 5 increases, squeezing the internal mixed liquid out of the pump body shell 1 through the nano bubble generating head 7 to form a liquid containing nano bubbles; the unsqueezed piston 6 will be reset to or maintained in the initial state under the action of the elastic reset member 51, at this time, the liquid inlet tank 52 will open without the obstruction of the piston 6, and the mixed liquid in the second chamber will enter the piston cylinder 6 from the liquid inlet tank 52;

[0022] By applying the method of the present application, it is possible to continuously and uninterruptedly generate liquid containing nanobubbles (by relying on multiple piston cylinders 5), thereby improving output efficiency, and having good integrity and high integration, integrating gas mixing and compression in one water pump, greatly reducing the overall volume of existing equipment, and having the ability to filter and remove impurities from water bodies, thereby reducing the cost of the equipment.

[0023] Preferably, the reducer 9 includes a mounting tube 90 which is passed through and fixed on the partition 2, and both ends of the mounting tube 90 are provided with first sealed bearings 20 which match with the output shaft of the driving motor 3; a sun gear 91 is fixed on the output shaft of the driving motor 3, an inner gear ring 92 is provided on the side surface of the cam mechanism 8, and one end of the mounting tube 90 is rotatably provided with a plurality of planetary gears 93 which mesh with both the sun gear 91 and the inner gear ring 92;

[0024] During operation, the rotational connection relationship of the cam mechanism 8 is determined by the output shaft of the driving motor 3 to limit the position of the cam mechanism 8. When the output shaft of the driving motor 3 rotates, it will drive the coaxially fixed sun gear 91 to rotate, and then drive the inner ring 92 to rotate through multiple planetary gears 93, and then drive the cam mechanism 8 to rotate through the inner ring 92, thereby achieving the purpose of deceleration and increasing the output torque. It has good integrity and stability, and provides reliable output for the subsequent extrusion piston 6 action while also taking into account the function of driving the mixing blade 31 to rotate at a higher speed through the output shaft of the driving motor 3.

[0025] Preferably, it further comprises a second sealed bearing 94, the outer ring of the second sealed bearing 94 is sealed and welded to the side surface of the inner gear ring 92, and the inner ring sealing sleeve of the second sealed bearing 94 is arranged at the end of the mounting tube 90;

[0026] The purpose of adopting this design is to maintain the sealing performance of the reducer 9, avoid contamination of the gas-mixed liquid in the second chamber, and extend the service life of the equipment.

[0027] Preferably, the mixing blade 31 includes a fixing ring 310 fixedly sleeved on the output shaft of the driving motor 3, a plurality of blades 311 are evenly distributed on the outer surface of the fixing ring 310, a dividing net 312 for dividing bubbles is provided at one end of the blade 311 away from the fixing ring 310, the mesh size of the dividing net 312 is larger than the mesh size of the microporous net, an annular gap exists between the outer surface of the waterproof housing 30 and the inner wall of the pump housing 1, and the end of the dividing net 312 extends into the gap;

[0028] With this special design of the gas mixing blade 31, the multiple blades 311 constituting the main body are used to quickly stir the water flow to achieve gas mixing. At the same time, the multiple dividing nets 312 are used to preliminarily divide and disperse the water flow and gas entering the first chamber, so as to ensure the efficiency of the subsequent gas mixing operation.

[0029] Preferably, the nano bubble generating head 7 includes a threaded mounting seat 70, a through hole 71 is provided on the threaded mounting seat 70, and one or more layers of nano mesh 72 are provided in the through hole 71; accordingly, a mounting hole 53 corresponding to the threaded mounting seat 70 and a sealing ring 54 for sealing the mounting connection are configured on the piston cylinder 5; with this mounting structure, assembly and maintenance are relatively convenient.

[0030] A method for applying a liquid variable displacement water pump capable of generating nanobubbles, using the liquid variable displacement water pump capable of generating nanobubbles as described above, wherein the method comprises the following steps:

[0031] Water and air are introduced into the first chamber through the water inlet pipe and the air inlet pipe respectively, and the driving motor drives the mixing blade to rotate. The mixing blade rotates to mix water and gas, and the mixed liquid is sent into the second chamber. The dust filter filters the liquid passing through it, and the microporous mesh separates bubbles.

[0032] The driving motor decelerates the cam mechanism by means of a reducer, and the cam mechanism rotates to contact and press multiple pistons in sequence; the squeezed piston squeezes the corresponding piston cylinder, changes the volume in the piston cylinder, and the pressure in the piston cylinder increases, squeezing the gas-mixed liquid inside out of the pump housing through the nano bubble generating head, forming a liquid containing nano bubbles; the unsqueezed piston will be reset to the initial state under the action of the elastic reset member, at which time the liquid inlet tank will open, and the gas-mixed liquid in the second chamber will enter the piston cylinder through the liquid inlet tank;

[0033] By applying the method of the present application, it is possible to continuously and uninterruptedly generate liquid containing nanobubbles (by relying on multiple piston cylinders 5), thereby improving output efficiency, and having good integrity and high integration, integrating gas mixing and compression in one water pump, greatly reducing the overall volume of existing equipment, and having the ability to filter and remove impurities from water bodies, thereby reducing the cost of the equipment.

[0034] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the appended claims of the present invention.

Claims

1. A liquid variable displacement water pump capable of generating nanobubbles, characterized in that: It includes a closed pump body shell, a longitudinal annular partition is arranged in the middle of the pump body shell, and the partition divides the interior of the pump body shell into a first chamber and a second chamber; a driving motor and a waterproof shell for protecting the driving motor are fixedly arranged in the first chamber, a first sealed bearing matched with the output shaft of the driving motor is arranged on the partition, and the output shaft of the driving motor passes through the partition, and a rotating seat matched with the output shaft of the driving motor is arranged in the second chamber; an air mixing blade is arranged on the output shaft of the driving motor, and the direction of the air mixing blade driving the water flow is toward the partition, and the partition is provided with holes for water flow to pass through and a dust filter and a microporous mesh covering the holes, The pump body shell is also connected to a water inlet pipe and an air inlet pipe connected to the first chamber; the inner wall of the second chamber is provided with a plurality of piston cylinders in an annular distribution, a piston is provided in the piston cylinder, one end of the piston cylinder is detachably connected with a nano bubble generating head passing through the pump body shell, and the other end is provided with a guide sleeve for guiding the piston and an elastic reset member for resetting the piston; a liquid inlet groove is provided at the end of the piston cylinder; a cam mechanism for driving the movement of the plurality of pistons is provided on the output shaft of the drive motor; the cam mechanism is rotationally connected to the output shaft of the drive motor; a reducer is provided on the partition, and the reducer is driven by the output shaft of the drive motor and is used to reduce the rotation speed of the cam mechanism.

2. The liquid variable displacement water pump capable of generating nanobubbles according to claim 1, characterized in that: The reducer includes a mounting tube that is passed through and fixed on the partition, and both ends of the mounting tube are provided with first sealed bearings that cooperate with the output shaft of the drive motor; a sun gear is fixed on the output shaft of the drive motor, and an inner gear ring is provided on the side surface of the cam mechanism, and one end of the mounting tube is rotatably provided with a plurality of planetary gears that mesh with the sun gear and the inner gear ring.

3. The liquid variable displacement water pump capable of generating nanobubbles according to claim 2, characterized in that: It also includes a second sealed bearing, the outer ring of the second sealed bearing is sealed and welded to the side surface of the inner gear ring, and the inner ring sealing sleeve of the second sealed bearing is arranged at the end of the mounting tube.

4. The liquid variable displacement water pump capable of generating nanobubbles according to claim 1, characterized in that: The mixing blade comprises a fixing ring fixedly sleeved on the output shaft of the driving motor, and a plurality of blades are evenly distributed on the outer surface of the fixing ring.

5. The liquid variable displacement water pump capable of generating nanobubbles according to claim 4, characterized in that: A dividing net for dividing bubbles is arranged at one end of the blade away from the fixing ring, and the mesh size of the dividing net is larger than the mesh size of the microporous net.

6. The liquid variable displacement water pump capable of generating nanobubbles according to claim 5, characterized in that: An annular gap exists between the outer surface of the waterproof shell and the inner wall of the pump body shell, and the end of the dividing net extends into the gap.

7. The liquid variable displacement water pump capable of generating nanobubbles according to claim 1, characterized in that: The nano bubble generating head comprises a threaded mounting seat, a through hole is arranged on the threaded mounting seat, and one or more layers of nano mesh are arranged in the through hole; a mounting hole corresponding to the threaded mounting seat and a sealing ring for sealing the mounting connection are arranged on the piston cylinder.

8. An application method of a liquid variable displacement water pump capable of generating nanobubbles, using the liquid variable displacement water pump capable of generating nanobubbles as claimed in any one of claims 1 to 7, characterized in that: The method comprises the following steps: Water and air are introduced into the first chamber through the water inlet pipe and the air inlet pipe respectively, and the driving motor drives the mixing blade to rotate. The mixing blade rotates to mix water and gas, and the mixed liquid is sent into the second chamber. The dust filter filters the liquid passing through it, and the microporous mesh separates bubbles. The driving motor relies on the reducer to decelerate the cam mechanism, and the cam mechanism rotates to contact and press multiple pistons in sequence; the squeezed piston will squeeze the corresponding piston cylinder, change the volume in the piston cylinder, and the increased pressure in the piston cylinder will squeeze the internal mixed gas liquid out of the pump body shell through the nano bubble generating head to form a liquid containing nano bubbles; the unsqueezed piston will be reset to the initial state under the action of the elastic reset member, at this time the liquid inlet tank will open, and the mixed gas liquid in the second chamber will enter the piston cylinder through the liquid inlet tank.

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