Large-flow miniature water pump

Abstract

A first cavity, a second cavity and a third cavity which are mutually independent and communicated with two opposite ends of a cylinder body are arranged in the cylinder body, the first cavity is communicated with a water inlet pipeline, the second cavity is communicated with a water outlet pipeline, two ends of the first cavity are provided with first one-way valves which are reversely arranged, and two ends of the second cavity are provided with second one-way valves. The first one-way valve and the second one-way valve on the same side are oppositely arranged and are communicated with a liquid storage cavity, and a leather cup capable of intermittently deforming is arranged in each liquid storage cavity. Air pressure in the liquid storage cavities on the two sides can be sequentially, continuously and alternately changed, so that liquid in the water inlet pipeline continuously, sequentially and alternately enters the liquid storage cavities on the two sides and continuously, sequentially and alternately converges into the water drainage pipeline to flow out, the water outlet flow is large, good sealing effect and noise reduction effect can be ensured through the structure of the device, and the service life of the device is prolonged. And production, processing and assembling are facilitated, and the production cost is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to micro water pump technical field, especially relates to large flow micro water pump. BACKGROUND

[0002] Micro water pump is very widely used in daily production and life, its volume is smaller, and the pump inner cavity and pressure are smaller, and the water output is generally smaller. At present, there are also some improved large flow micro water pump, adopt multi-cavity structure design to increase the flow of liquid in unit time, every cavity and water inlet and water outlet need to be provided with check valve, improve the sealing between every check valve and cavity can more effectively increase the water output of water pump, but at the same time, the motor needs to overcome the larger resistance to provide servo driving force, the motor load is larger, and its running noise is larger. UTILITY MODEL CONTENTS

[0003] In view of the above problems in prior art, the utility model provides large flow micro water pump, can change the air pressure in two side liquid storage cavities in order continuously and alternately, make the liquid in water inlet pipeline continuously enter two side liquid storage cavities in order and rotate, and continuously gather into the drainage pipeline and flow out, the water output is large, and the utility model can ensure better sealing effect and noise reduction effect through its own structure, and it is convenient for production and assembly, and the production cost is lower.

[0004] To solve the above technical problems, a technical scheme adopted by the utility model is as follows:

[0005] Large flow micro water pump, micro water pump includes cylinder body, cylinder body outer wall is equipped with water inlet pipeline and water outlet pipeline, and cylinder body is equipped with control part and more than one liquid storage cavity, the control part is transmission connected with driving device and can open or close the connecting passage between every liquid storage cavity and water inlet pipeline or water outlet pipeline under the driving of driving device, wherein,

[0006] Two opposite ends of the cylinder body are A end and B end respectively, the first cavity, the second cavity and the third cavity are independently arranged in the cylinder body, the first cavity, the second cavity and the third cavity are parallelly arranged and are all connected with the A end and the B end respectively, the first cavity is connected with the water inlet pipeline, the second cavity is connected with the water outlet pipeline, the control part is arranged in the third cavity, both ends of the control part are provided with a pusher respectively, and the driving device can drive the transmission device to drive the control part to swing in the third cavity to drive the two pushers to reciprocate towards the two sides of the third cavity in turn.

[0007] The A end and the B end are sequentially provided with a leather bowl and a cover plate from inside to outside, the two leather bowls are symmetrically arranged, and the two cover plates are symmetrically arranged, each leather bowl is made of flexible material and is matched and embedded in one end of the cylinder body, and each cover plate is matched and covered on the leather bowl and can be detachably fixed on the A end or the B end of the cylinder body.

[0008] Each of the leather cups is respectively provided with a positioning part and a deformation part, each of the positioning parts is provided with a first one-way valve and a second one-way valve, the first one-way valve and the second one-way valve on each of the leather cups are reversely arranged and slidably arranged on the leather cup, the first one-way valves on the two leather cups are reversely arranged on the two sides of the first cavity and are in communication with the first cavity, and the second one-way valves on the two leather cups are reversely arranged on the two sides of the second cavity and are in communication with the second cavity; each of the deformation parts is matched arranged on the side of a pushing piece and can be bulged outward when the pushing piece is extruded, or can be recessed inward when the pressure on the outside of the pushing piece is increased.

[0009] Each of the cover plates is formed with a liquid storage cavity, and each of the liquid storage cavities is matched arranged on the periphery of a positioning part and a deformation part.

[0010] When the liquid enters the first cavity from the water inlet pipeline, the driving device drives the pushing piece at one end of the control piece to press against the deformation part at the B end, the liquid pushes away the first one-way valve at the A end and enters the liquid storage cavity at the A end, when the other pushing piece presses against the deformation part at the A end, the liquid in the liquid storage cavity at the A end pushes away the second one-way valve at the A end and enters the second cavity, and is discharged from the water outlet pipeline, at the same time, the liquid in the first cavity pushes away the first one-way valve at the B end and enters the liquid storage cavity at the B end.

[0011] As a further elaboration of the above technical solution:

[0012] In the above technical solution, each of the first one-way valve and the second one-way valve comprises an umbrella and a valve plate, each of the valve plates is embedded on a positioning part, and a first through hole and a plurality of second through grooves which are circumferentially arranged on the periphery thereof are arranged on the valve plate, each of the umbrellas is in the structure of an umbrella and comprises an umbrella part and a handle part, each of the umbrella parts is matched arranged in a first through hole and can slide along the first through hole, and each of the handle parts can completely cover all the second through grooves on the periphery of the first through hole.

[0013] In the above technical solution, two positioning columns which are arranged in parallel are arranged on each of the valve plates, a first through hole is arranged at the axis of each of the positioning columns, a plurality of second through grooves are arranged on the periphery of each of the first through holes, and two umbrellas are oppositely arranged and slidably arranged on a first through hole; two third through holes are arranged on each of the positioning parts, and a positioning column is matched embedded in each of the third through holes.

[0014] In the above technical solution, each of the liquid storage chambers includes a fourth chamber, a fifth chamber, and a sixth chamber, and the fourth and fifth chambers are respectively matched and covered around the periphery of a positioning post, and the sixth chamber is matched and covered around the periphery of the deformed part and communicates with the fourth and fifth chambers respectively.

[0015] In the above technical solution, each of the pushing components includes two flexible plugs arranged parallel to one end of the control component, and each of the deformable parts is provided with two blind holes that are adapted to the flexible plugs one by one.

[0016] In the above technical solution, the driving device is a circular motion driving device and is detachably fixed to the outer wall of the cylinder body through the base. The transmission device includes an eccentric wheel that is drivenly connected to the output shaft of the driving device. The eccentric wheel passes through the center of the control component and is drivenly connected to it.

[0017] In the above technical solution, the cylinder body is also provided with a first bearing for supporting the output shaft.

[0018] In the above technical solution, a second bearing is also fitted around the periphery of the eccentric wheel, and the second bearing is fitted onto the control component.

[0019] Compared with the prior art, the beneficial effects of this utility model are as follows: By setting a diaphragm and a cover plate at both opposite ends of the cylinder body, a liquid storage chamber can be formed on both sides. By setting a first one-way valve and a second one-way valve in opposite directions on each diaphragm, the two first one-way valves and two second one-way valves at both ends are reversed. The two first one-way valves are connected to the water inlet pipe, and the two second one-way valves are connected to the water outlet pipe. By intermittently squeezing the two diaphragm by a control component that can continuously swing, the air pressure in the liquid storage chambers on both sides can be continuously and intermittently increased and decreased, so that the liquid in the water inlet pipe continuously and sequentially enters the liquid storage chambers on both sides and continuously and sequentially flows into the drain pipe and flows out, resulting in a large water flow rate. By setting the one-way valve as an umbrella-shaped structure with the valve plate, the structure is simple and can ensure good sealing and noise reduction through its own structure. It is also easy to manufacture and assemble, and the production cost is low. Attached Figure Description

[0020] Figure 1 This is a structural schematic diagram of this embodiment;

[0021] Figure 2 This is an exploded structural diagram of this embodiment (the transmission device is not exploded);

[0022] Figure 3 This is an exploded structural diagram of the leather cup and cover plate at end A or B in this embodiment;

[0023] Figure 4 This is a schematic diagram of the valve plate structure in this embodiment;

[0024] Figure 5 This is a schematic diagram of the cylinder block in this embodiment;

[0025] Figure 6 This is an exploded view of the transmission device in this embodiment.

[0026] In the diagram: 20, cylinder body; 21, end A; 22, end B; 30, control component; 40, drive device; 50, pushing component; 60, transmission device; 70, leather cup; 71, positioning part; 72, deformable part; 80, cover plate; 91, first one-way valve; 92, second one-way valve; 100, base; 1, water inlet pipe; 2, water outlet pipe; 3, liquid storage chamber; 301, fourth chamber; 302, fifth chamber; 303, sixth chamber; 4, first chamber; 5, second chamber; 6, third chamber; 7, umbrella pin; 701, umbrella part; 702, handle part; 8, valve plate; 801, first through hole; 802, second through groove; 803, positioning pin; 9, third through hole; 11, flexible plug; 12, blind hole; 13, output shaft; 14, eccentric wheel; 15, first bearing; 16, second bearing. Detailed Implementation

[0027] The present invention will now be described in further detail with reference to the accompanying drawings.

[0028] The embodiments described with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application. In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as limiting this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "several" or "more than" means two or more, unless otherwise explicitly specified. In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances. In this application, unless otherwise expressly specified and limited, "above" or "below" a second feature can include direct contact between the first and second features, or it can include contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of a second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" of a second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0029] like Figures 1-2 As shown, a high-flow-rate micro water pump includes a cylinder body 20. The outer wall of the cylinder body 20 is provided with an inlet pipe 1 and an outlet pipe 2. Inside the cylinder body 20, there is a control component 30 and one or more liquid storage chambers 3. The control component 30 is connected to a drive device 40 and can open or close the connection between each liquid storage chamber 3 and the inlet pipe 1 or the outlet pipe 2 under its drive.

[0030] The cylinder body 20 has two opposite ends, A end 21 and B end 22, respectively. The cylinder body 20 has three independent chambers: a first chamber 4, a second chamber 5, and a third chamber 6. The first chamber 4, the second chamber 5, and the third chamber 6 are arranged in parallel and are all connected to the A end 21 and the B end 22 respectively. The first chamber 4 is connected to the water inlet pipe 1. The second chamber 5 is connected to the water outlet pipe 2. The third chamber 6 has a control component 30. Each end of the control component 30 has a pusher 50. The drive device 40 can drive the transmission device 60 to drive the control component 30 to swing in the third chamber 6 so that the two pushers 50 move back and forth towards the two sides of the third chamber 6.

[0031] Both ends A21 and B22 are provided with a leather cup 70 and a cover plate 80 from the inside to the outside. The two leather cups 70 are arranged symmetrically, and the two cover plates 80 are arranged symmetrically. Each leather cup 70 is made of flexible material and is fitted into one end of the cylinder body 20. Each cover plate 80 is fitted onto a leather cup 70 and can be detachably fixed to end A21 or end B22 of the cylinder body 20.

[0032] Each cup 70 is provided with a positioning part 71 and a deformation part 72. Each positioning part 71 is provided with a first one-way valve 91 and a second one-way valve 92. The first one-way valve 91 and the second one-way valve 92 on each cup 70 are arranged in opposite directions and are slidably mounted on the cup 70. The first one-way valves 91 on the two cups 70 are arranged in opposite directions on both sides of the first cavity 4 and are connected to it. The second one-way valves 92 on the two cups 70 are arranged in opposite directions on both sides of the second cavity 5 and are connected to it. Each deformation part 72 is matched and provided on the side of a pressing member 50 and can bulge outward when it is squeezed, or fall back or sink inward when the pressure on its outer side increases.

[0033] Each cover plate 80 has a liquid storage cavity 3, and each liquid storage cavity 3 is matched and covered around a positioning part 71 and a deformable part 72.

[0034] like Figure 2As shown, the working process of this utility model is as follows: Liquid enters the first chamber 4 from the inlet pipe 1. The drive device 40 drives the control component 30 to oscillate through the transmission device 60. The pusher 50 at one end presses against the deformed part 72 of end B 22. The air pressure in the liquid storage chamber 3 of end B 22 increases and presses the first one-way valve 91 of end B 22 tightly against the cup 70. The air pressure in the liquid storage chamber 3 of end A 21 is smaller. The liquid pushes open the first one-way valve 91 of end A 21 and enters the liquid storage chamber 3 of end A. Inside, the drive device 40 drives and controls the 30 components to oscillate, pressing the pusher 50 at the other end against the deformed part 72 of end A 21. The pressure in the liquid storage chamber 3 of end A 21 increases, and the liquid pushes open the second one-way valve 92 of end A 21, enters the second chamber 5, and is discharged from the outlet pipe 2. At the same time, due to the restoration of the deformed part 72 at end B or the depression inside the box, the air pressure in the liquid storage chamber 3 of end B 22 decreases, and the liquid in the first chamber 4 pushes open the first one-way valve 91 of end B 22, entering the liquid storage chamber 3 of end B 22. This cycle repeats, with the liquid entering the liquid storage chambers 3 on both sides of the cylinder body 20 in turn and successively flowing into the second chamber 5 and being discharged from the outlet pipe 2.

[0035] like Figure 3 As shown, each of the first one-way valves 91 and the second one-way valve 92 includes an umbrella pin 7 and a valve plate 8. Each valve plate 8 is embedded in a positioning part 71 and has a first through hole 801 and several second through grooves 802 surrounding it in the circumferential direction. Each umbrella pin 7 has an umbrella structure and includes an umbrella part 701 and a handle part 702. Each umbrella part 701 is matched and installed in a first through hole 801 and can slide along it. Each handle part 702 can completely cover all the second through grooves 802 around a first through hole 801. During operation, when the pressure on the side of the handle 702 on the umbrella pin 7 increases, the air or hydraulic pressure will push the umbrella part 701 to slide in the first through hole 701 and move it away from the valve plate. Liquid can pass through the valve plate 8 through the gap between the umbrella part 701 and the first through hole 802. When the pressure on the side of the umbrella part 701 on the umbrella pin 7 increases, the air or hydraulic pressure will press the umbrella part 701 tightly against the valve plate 8, and the liquid cannot pass through the valve plate 8. The umbrella part 701 with a large surface area and the slender handle 702 can ensure smooth sliding on the valve plate 8 and low noise, as well as a high one-way sealing effect.

[0036] like Figure 4 As shown, each valve plate 8 is provided with two parallel positioning posts 803, each positioning post 803 is provided with a first through hole 801 at its axis, and each first through hole 801 is provided with several second through grooves 802 around its periphery. Two umbrella pins 7 are arranged facing each other and are slidably mounted on a first through hole 801 respectively. Each positioning part 71 is provided with two third through holes 9, and each third through hole 9 is fitted with a positioning post 803.

[0037] like Figure 5As shown, each liquid storage chamber 3 includes a fourth chamber 301, a fifth chamber 302 and a sixth chamber 303. The fourth chamber 301 and the fifth chamber 302 are respectively matched and covered around a positioning post 803. The sixth chamber 303 is matched and covered around the deformable part 72 and is connected to the fourth chamber 301 and the fifth chamber 302 respectively.

[0038] like Figure 6 As shown, the drive device 40 is a circular motion drive device and is detachably fixed to the outer wall of the cylinder 10 via the base 100. The transmission device 60 includes an eccentric wheel 14 that is connected to the output shaft 13 of the drive device 40. The eccentric wheel 14 passes through the center of the control member 30 and is connected to it. The cylinder 20 is also provided with a first bearing 15 for supporting the output shaft 13 of the drive device. A second bearing 16 is also fitted around the eccentric wheel 14 and is fitted onto the control member 30. Each push member 50 includes two flexible plugs 11 arranged parallel to one end of the control member. Each deformable part 72 is provided with two blind holes 12 that are adapted to the flexible plugs 11.

[0039] This invention utilizes a piston cup 70 and a cover plate 80 at two opposite ends of the cylinder body 20 to form a liquid storage chamber 3 on both sides. Each piston cup 70 is equipped with a first one-way valve 91 and a second one-way valve 92 arranged in opposite directions. The first one-way valves 91 and 92 are connected to the inlet pipe 1, and the second one-way valves 92 are connected to the outlet pipe 2. A control component 30 capable of continuous oscillation intermittently squeezes the piston cups 70, achieving continuous intermittent and alternating increases and decreases in air pressure within the liquid storage chambers 3. This allows liquid from the inlet pipe 1 to continuously and sequentially enter the liquid storage chambers 3 on both sides and continuously and sequentially flow into the outlet pipe 2, resulting in a large outflow rate. By designing the one-way valve as an umbrella-like structure with a valve plate, the structure is simple, ensuring good sealing and noise reduction, and is easy to manufacture and assemble, resulting in low production costs.

[0040] The above does not limit the technical scope of this utility model. Any modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of this utility model shall still fall within the scope of the technical solution of this utility model.

Claims

1. A large-flow micro water pump, comprising a cylinder body, a water inlet pipeline and a water outlet pipeline arranged on the outer wall of the cylinder body, a control member and one or more liquid storage cavities arranged in the cylinder body, the control member being in transmission connection with a driving device and being capable of opening or closing a connecting passage between each of the liquid storage cavities and the water inlet pipeline or the water outlet pipeline under the driving of the driving device; characterized in that, two opposite ends of the cylinder body are respectively an A end and a B end, a first cavity, a second cavity and a third cavity are arranged in the cylinder body independently of each other, the first cavity, the second cavity and the third cavity are arranged in parallel and are all connected to the A end and the B end respectively, the first cavity is connected to the water inlet pipeline, the second cavity is connected to the water outlet pipeline, the control member is arranged in the third cavity, both ends of the control member are respectively provided with a pushing member, and the driving device can drive a transmission device to drive the control member to swing in the third cavity to drive the two pushing members to reciprocate towards the two sides of the third cavity in sequence. The A end and the B end are sequentially provided with a leather cup and a cover plate from the inside to the outside, the two leather cups are symmetrically arranged, and the two cover plates are symmetrically arranged; each of the leather cups is made of a flexible material and is matched and embedded in one end of the cylinder body, and each of the cover plates is matched and arranged on one of the leather cups and is detachably and fixedly arranged on the A end or the B end of the cylinder body. Each of the leather cups is respectively provided with a positioning portion and a deformation portion, each of the positioning portions is provided with a first one-way valve and a second one-way valve, the first one-way valve and the second one-way valve on each of the leather cups are reversely arranged and are slidably arranged on the leather cup, the first one-way valves on the two leather cups are reversely arranged on the two sides of the first cavity and are connected to the first cavity, the second one-way valves on the two leather cups are reversely arranged on the two sides of the second cavity and are connected to the second cavity, and each of the deformation portions is matched and arranged beside one of the pushing members and can bulge outward when the pushing member is extruded or can fall back or recess inward when the pressure on the outside of the pushing member increases. Each of the cover plates is formed with one of the liquid storage cavities, and each of the liquid storage cavities is matched and arranged on the periphery of one of the positioning portions and the deformation portions. When liquid enters the first cavity from the water inlet pipeline, the pushing member at one end of the control member driven by the driving device is pressed against the deformation portion of the B end, the liquid pushes away the first one-way valve of the A end and enters the liquid storage cavity of the A end, when the other pushing member is pressed against the deformation portion of the A end, the liquid in the liquid storage cavity of the A end pushes away the second one-way valve of the A end and enters the second cavity, and is discharged from the water outlet pipeline, at the same time, the liquid in the first cavity pushes away the first one-way valve of the B end and enters the liquid storage cavity of the B end. Each of the first one-way valve and the second one-way valve comprises a valve plate and a valve plate, each of the valve plate is embedded on one of the positioning portions, and a first through hole and a plurality of second through grooves are arranged on the valve plate, each of the umbrella is in the structure of an umbrella and comprises a umbrella part and a handle part, each of the umbrella part is matched and arranged in one of the first through hole and can slide along the first through hole, and each of the handle part can completely cover all of the second through grooves on the periphery of the first through hole.

2. The micro water pump of large flow rate according to claim 1, wherein ​ 3. The micro water pump of large flow rate according to claim 2, wherein Two positioning columns are arranged in parallel on each valve plate, and a first through hole is arranged at the axis of each positioning column, and a plurality of second through slots are arranged around each first through hole, and two umbrella-shaped parts are arranged oppositely and are slidably arranged on the first through holes respectively.

4. The micro water pump of large flow rate according to claim 3, wherein Each liquid storage cavity comprises a fourth cavity, a fifth cavity and a sixth cavity, and the fourth cavity and the fifth cavity are respectively matched and arranged around the positioning column, and the sixth cavity is matched and arranged around the deformation part and is respectively communicated with the fourth cavity and the fifth cavity.

5. The micro water pump of large flow rate according to claim 1, wherein Each push piece comprises two flexible plugs arranged in parallel at one end of the control piece, and two blind holes matched with the flexible plugs are arranged on each deformation part.

6. The micropump of any one of claims 1 to 5, wherein The driving device is a circumferential motion driving device and is detachably arranged on the outer wall of the cylinder body through the base, the transmission device comprises an eccentric wheel in transmission connection with the output shaft of the driving device, and the eccentric wheel penetrates through the center of the control piece and is in transmission connection with the control piece.

7. The large flow rate micro water pump according to claim 6, wherein A first bearing for supporting the output shaft is further arranged on the cylinder body.

8. The large flow rate micro water pump according to claim 6, wherein A second bearing is further matched and arranged around the eccentric wheel, and the second bearing is matched and arranged on the control piece.

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