CN213942727U

CN213942727U - Micro-bubble water pump

Info

Publication number: CN213942727U
Application number: CN202022561928.0U
Authority: CN
Inventors: 黄旭锋
Original assignee: Ningbo Chuandu Fluid Technology Co ltd
Current assignee: Ningbo Chuandu Fluid Technology Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-08-13
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a microbubble water pump, including pump head body and side cap, be equipped with intake antrum, source water cavity, high-pressure chamber in the pump head body, intake antrum and high-pressure chamber respectively with water inlet, delivery port switch-on, be equipped with the air inlet with source water cavity switch-on the side cap, go into the high-pressure chamber behind the water pressure boost of source water cavity, still including accuse stream subassembly and accuse gas subassembly, form the vacuum cavity between accuse stream subassembly and the pump head body, still be equipped with first runner in the pump head body, the vacuum cavity is put through with source water cavity through first runner, constitute the accuse stream subassembly that seals the water lantern ring and control water lantern ring department water route seal or switch on in the water route of intake antrum and vacuum cavity switch-on, constitute on the gas circuit of vacuum cavity and air inlet switch-on the gas circuit and seal the gas control gas subassembly that the gas lantern ring department gas circuit sealed or switch on. The utility model discloses the regulation of effective control water flow and air flow guarantees the best aqueous vapor mixing ratio for the final microbubble water quality that produces is better.

Description

Micro-bubble water pump

Technical Field

The utility model relates to a fluid conveying equipment technical field, concretely relates to microbubble water pump.

Background

Researches show that in the production process of the micro-bubble water, micro water molecules and oxygen anions beneficial to the body can be split, and the optimal relieving effect can be produced on the body and mind of a user by the aid of visual and tactile feelings. Therefore, the method for producing micro-bubble water is an important issue for related industries.

A good microbubble water generating device must be able to generate the finest water bubbles in the most efficient process, so as to meet the needs of modern people. In the traditional micro-bubble water generating device, gas and water are mixed in a mixing tank and then are discharged by a water tap to form micro-bubble water, but the existing equipment cannot well control the proportion of water quantity and air quantity, so that the quality of the generated micro-bubble water is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a microbubble water pump for the regulation of effective control water flow and air flow guarantees the best aqueous vapor mixing ratio, makes the final microbubble water quality that produces better.

In order to solve the technical problem, the utility model discloses a following scheme:

the utility model provides a microbubble water pump, includes pump head body and side cap, is equipped with intake antrum, source water cavity, high-pressure chamber in the pump head body, intake antrum and high-pressure chamber respectively with water inlet, delivery port switch-on, be equipped with the air inlet with source water cavity switch-on the side cap, go into high-pressure chamber after the water pressure boost of source water intracavity, still include accuse stream subassembly and accuse gas subassembly, form the vacuum chamber between accuse stream subassembly and the pump head body, still be equipped with first runner in the pump head body, the vacuum chamber is switched on with source water cavity through first runner, constitute the accuse stream subassembly that seals the water lantern ring and control water lantern ring department water route seal or switch-on the water route of intake antrum and vacuum chamber switch-on, constitute on the gas circuit of vacuum chamber and air inlet switch-on seal the gas lantern ring and control the accuse gas subassembly that the gas circuit of control lantern ring department gas circuit seal or switch-on.

The scheme is that a flow control assembly is arranged in a pump head body, a vacuum cavity is formed between the flow control assembly and a pump head body, an air control assembly is arranged between the vacuum cavity and an air inlet, when the micro-bubble water pump does not work, the flow control assembly controls a water path at a water sealing sleeve ring to be sealed, and the air control assembly controls an air path at the rear end of the air inlet to be sealed; when the micro bubble water pump works, water flow or air in a vacuum cavity of the micro bubble water pump is sucked away to form a certain vacuum degree, at the moment, the water path at the position of the water sealing sleeve ring is controlled by the flow control assembly to be communicated, the air path between the air inlet and the vacuum cavity is controlled by the air control assembly to be communicated, the communicated water flow is related to the vacuum degree in the vacuum cavity with the air flow, the higher the vacuum degree is, the larger the communicated water flow is, the smaller the vacuum degree is, the communicated water flow is, and the vacuum degree in the vacuum cavity when the micro bubble water pump works can be adjusted by adjusting the working voltage (power) of the micro bubble water pump.

Preferably, the flow control assembly comprises a control rod, a first pressure sensing diaphragm, a first spring, a diaphragm pressing plate and a fastening connecting rod, the periphery of the first pressure sensing diaphragm is fixed between the pump cover and the pump head body in a sealing manner, the first pressure sensing diaphragm and the pump cover form an atmospheric cavity, the pump cover is provided with an atmospheric hole, the middle part of the first pressure sensing diaphragm is pressed on the pressing plate at the top end of the control rod through the diaphragm pressing plate, the side surface of the control rod is provided with a limited flow groove, a water sealing ring is formed by the control rod body and is positioned below the limited flow groove, the water sealing ring is sealed by a water sealing cushion, the lower end of the control rod is connected with a second pressure sensing diaphragm, an outer pressing part is arranged in the high pressure cavity, the outer pressing part is provided with a sliding groove with an upward opening, the bottom surface of the second pressure sensing diaphragm is pressed between the outer pressing part and the pump head body in a sealing manner in the circumferential direction, the lower end of the fastening connecting rod penetrates through the diaphragm pressing plate, the first pressure sensing diaphragm, the control rod and the second pressure sensing diaphragm and extends into the sliding groove, the lower end of the fastening connecting rod is provided with an inner pressing piece and a nut which are used for pressing the second pressure sensing diaphragm, one end of the first spring acts on the control rod, the other end of the first spring acts on the inner wall of the vacuum cavity, and the control rod controls the sealing or the conduction of a water path between the water inlet cavity and the vacuum cavity under the combined action of the pressure in the atmosphere cavity, the pressure in the vacuum cavity and the first spring.

Preferably, be equipped with the support in the intake antrum, be equipped with the influent stream way of intercommunication water inlet and intake antrum on the support, the support lower extreme compresses tightly in second pressure sensing diaphragm top surface circumference, and the support top is compressed tightly has the water sealing pad that is used for sealed water sealing lantern ring.

Preferably, the air control assembly comprises a second spring, a third pressure sensing diaphragm and an adjusting block, an adjusting hole communicated with the air inlet is formed in the side cover body, an adjusting cavity used for installing the adjusting block is formed in the side cover body, the upper end of the adjusting block is in threaded sealing connection with the adjusting cavity, the lower end of the adjusting block is matched with the adjusting hole, an air passing cavity is formed between the adjusting block and the adjusting cavity, the periphery of the third pressure sensing diaphragm is tightly pressed between the side cover and the pump head body in a sealing mode, one end of the second spring acts on the third pressure sensing diaphragm, the other end of the second spring acts on the pump head body, a first air hole is formed in the third pressure sensing diaphragm, the first air hole is communicated with the vacuum cavity through a second air hole, an air cavity is formed between the third pressure sensing diaphragm and the side cover, an air sealing sleeve ring used for sealing an air path between the first air hole and the air cavity is arranged on the side cover body, the air cavity is communicated with the air passing cavity through the third air hole, and the third pressure sensing diaphragm is arranged in the vacuum cavity under internal pressure, The air passage at the air sealing sleeve ring is controlled to be sealed or communicated under the combined action of the pressure in the air cavity and the second spring.

Preferably, still include the pressure release subassembly, the pressure release subassembly includes fourth pressure sensing diaphragm, third spring, threaded rod, the peripheral sealed pressure of fourth pressure sensing diaphragm compresses tightly between side cap lower extreme and pump head body, be equipped with the compression chamber on the side cap body, the compression intracavity is provided with left flange and right flange to the beginning, third spring one end acts on right flange, the other end acts on left flange and compresses tightly fourth pressure sensing diaphragm through left flange, the threaded rod transversely passes the side cap and is connected with right flange side, be equipped with second runner and third runner on the pump head body, third runner and high-pressure chamber switch-on, second runner department is equipped with and constitutes the mouth of a river by the pump head body, the water route between mouth of a river and the third runner is sealed or is switched on through fourth pressure sensing diaphragm and third spring control.

Preferably, the high-pressure cavity is surrounded by a lantern ring formed by the pump head body.

The utility model discloses beneficial effect who has:

1. the micro-bubble water pump of the utility model is suitable for pressure and non-pressure water sources. When the water-saving air-saving device does not work, the flow control assembly and the air control assembly have water and air cut-off functions; when the micro-bubble water pump works, the output flow and the inlet flow of the micro-bubble water pump can be adjusted by adjusting the working voltage (power) of the micro-bubble water pump, so that the water-gas mixing proportion is optimal, and the quality of generated micro-bubble water is higher.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure A-A in FIG. 1.

Reference numerals: 01-water inlet, 02-water inlet flow passage, 03-water inlet cavity, 04-water sealing cushion, 05-vacuum cavity, 06-first pressure sensing diaphragm, 07-pump cover, 08-atmospheric hole, 09-atmospheric hole, 10-pressure plate, 11-flow limiting groove, 12-first spring, 13-fastening connecting rod, 14-water sealing ring, 15-control rod, 16-water outlet, 17-support, 18-external pressing piece, 19-second pressure sensing diaphragm, 20-nut, 21-sliding groove, 22-internal pressing piece, 23-source water cavity, 24-high pressure cavity, 25-pump head body, 26-ring, 27-first flow passage, 28-second spring, 29-second air hole, 30-third pressure sensing diaphragm, 31-sealing ring, 32-a regulating cavity, 33-a regulating block, 34-a first air hole, 35-a third air hole, 36-an air passing cavity, 37-a regulating hole, 38-an air hole, 39-a side cover, 40-a threaded rod, 41-a right convex plate, 42-a third spring, 43-a left convex plate, 44-a fourth pressure sensing diaphragm, 45-a water sealing port, 46-a second flow passage, 47-a third flow passage, 48-an air cavity, 49-an air sealing ring and 50-a diaphragm pressing plate.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and the terms are only for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that, unless otherwise explicitly specified or limited, the terms "disposed," "opened," "mounted," "connected," and "connected" are to be construed broadly, e.g., as either a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

A micro-bubble water pump comprises a pump head body 25 and a side cover 39, wherein a water inlet cavity 03, a source water cavity 23 and a high pressure cavity 24 are arranged in the pump head body 25, the water inlet cavity 03 and the high-pressure cavity 24 are respectively communicated with the water inlet 01 and the water outlet 16, the side cover 39 is provided with an air inlet 38 communicated with the source water cavity 23, water in the source water cavity 23 enters the high-pressure cavity 24 after being pressurized, the water-saving water pump further comprises a flow control assembly and an air control assembly, a vacuum cavity 05 is formed between the flow control assembly and the body of the pump head body 25, a first flow passage 27 is further arranged in the pump head 25, the vacuum cavity 05 is communicated with the source water cavity 23 through the first flow passage 27, the water inlet cavity 03 and the water channel communicated with the vacuum cavity 05 form a water sealing sleeve ring 14 and a flow control assembly for controlling the water channel at the water sealing sleeve ring 14 to be sealed or communicated, and the air channel communicated with the vacuum cavity 05 and the air inlet 38 form an air sealing sleeve ring 49 and an air control assembly for controlling the air channel at the air sealing sleeve ring 49 to be sealed or communicated.

As shown in fig. 1 and 2, the embodiment is suitable for a micro-bubble water pump with a pressure and non-pressure water source, when the micro-bubble water pump does not work, the flow control assembly controls the water path sealing at the water sealing sleeve ring 14, and the gas control assembly controls the gas path sealing at the rear end of the gas inlet 38; when the micro bubble water pump works, water flow or air in the vacuum cavity 05 is sucked away to form a certain vacuum degree, at the moment, the flow control assembly controls the water path at the water sealing lantern ring 14 to be communicated, the air control assembly controls the air path between the air inlet 38 and the vacuum cavity 05 to be communicated, the communicated water flow and the air flow are related to the vacuum degree in the vacuum cavity 05, the higher the vacuum degree is, the larger the communicated flow is, the smaller the vacuum degree is, the communicated flow is, and the vacuum degree in the vacuum cavity 05 when the micro bubble water pump works can be adjusted by adjusting the working voltage (power) of the micro bubble water pump.

Example 2

The flow control assembly comprises a control rod 15, a first pressure sensing diaphragm 06, a first spring 12, a diaphragm pressing plate 50 and a fastening connecting rod 13, wherein the periphery of the first pressure sensing diaphragm 06 is fixed between a pump cover 07 and a pump head body 25 in a sealing manner, the first pressure sensing diaphragm 06 and the pump cover 07 form an atmospheric cavity 09, the pump cover 07 is provided with an atmospheric hole 08, the middle part of the first pressure sensing diaphragm 06 is pressed on a pressing plate 10 at the top end of the control rod 15 through the diaphragm pressing plate 50, the side surface of the control rod 15 is provided with a flow limiting groove 11, a water sealing sleeve ring 14 is formed by a control rod 15 body and is positioned below the flow limiting groove 11, the water sealing sleeve ring 14 is sealed by a water sealing pad 04, the lower end of the control rod 15 is connected with a second pressure sensing diaphragm 19, an outer pressing part 18 is arranged in a high pressure cavity 24, the outer pressing part 18 is provided with a sliding groove 21 with an upward opening, the bottom surface of the second pressure sensing diaphragm 19 is circumferentially and is pressed between the outer pressing part 18 and the pump head body 25 body in a sealing manner, the lower end of the fastening connecting rod 13 penetrates through the diaphragm pressing plate 50, the diaphragm pressing plate, The first pressure sensing diaphragm 06, the control rod 15 and the second pressure sensing diaphragm 19 extend into the sliding groove 21, the lower end of the fastening connecting rod 13 is provided with an inner pressing piece 22 and a nut 20 which are used for pressing the second pressure sensing diaphragm 19 tightly, one end of the first spring 12 acts on the control rod 15, the other end of the first spring acts on the inner wall of the vacuum cavity 05, and the control rod 15 controls the sealing or the conduction of a water path between the water inlet cavity 03 and the vacuum cavity 05 under the combined action of the pressure in the atmosphere cavity 09, the pressure in the vacuum cavity 05 and the first spring 12.

The specific working principle of the flow control assembly of the embodiment is as follows:

as shown in fig. 1, when the micro-bubble water pump does not work, the sum of the acting force of the pressure in the vacuum cavity 05 and the elastic force of the first spring 12 on the first pressure sensing diaphragm 06 is larger than the acting force of the pressure in the atmosphere cavity 09 on the first pressure sensing diaphragm 06, and the control rod 15 seals the water sealing collar 14 under the combined action of the acting forces; when the micro bubble water pump works, water flow or air in the vacuum cavity 05 is sucked away to form a certain vacuum degree, at the moment, the sum of acting forces of the pressure in the vacuum cavity 05 and the elastic force of the first spring 12 on the first pressure sensing diaphragm 06 is smaller than the acting force of the pressure in the atmospheric cavity 09 on the first pressure sensing diaphragm 06, the control rod 15 moves downwards (in the direction of the water inlet cavity 03) under the combined action of the acting forces, the side wall of the control rod 15 is provided with the limited flow groove 11, namely the control rod 15 at the lower end of the water sealing lantern ring 14 is provided with no limited flow groove, the side wall of the control rod 15 above the water sealing lantern ring 14 is provided with the limited flow groove 11, the control rod 15 moves downwards to enable the water sealing lantern ring 14 to be just separated from the water sealing pad 04, and then continues to move downwards, at the moment, the water inlet cavity 03 is communicated with the vacuum cavity 05 through the limited flow groove 11, when the limited flow groove 11 of the control rod 15 just moves downwards to the water inlet cavity 03, at the flow passage communicated with the vacuum cavity 05 is smaller, the flow pumped by the micro-bubble water pump is small, if the control rod 15 moves downwards continuously, the part of the control rod 15 with the flow limiting groove 11 moves downwards to the water inlet cavity 03 for a longer distance, the flow passage area of the water inlet cavity 03 communicated with the vacuum cavity 05 through the flow limiting groove 11 is increased, and the flow pumped by the micro-bubble water pump is increased. Therefore, the vacuum in the vacuum cavity 05 can be adjusted by adjusting the working voltage (power) of the micro-bubble water pump, and the downward movement distance of the control rod 15 is further adjusted, so that the function of adjusting the output flow of the micro-bubble water pump is achieved.

Example 3

As shown in fig. 1, a support 17 is arranged in the water inlet cavity 03, a water inlet flow passage 02 communicating the water inlet 01 with the water inlet cavity 03 is arranged on the support 17, the lower end of the support 17 is used for compressing the circumference of the top surface of the second pressure sensing diaphragm 19, and the top end of the support 17 compresses a water sealing pad 04 of the water sealing sleeve ring 14.

Example 4

The air control component comprises a second spring 28, a third pressure sensing diaphragm 30 and an adjusting block 33, an adjusting hole 37 communicated with an air inlet 38 is arranged on a side cover 39 body, the upper end of the adjusting hole 37 is large, short and small and is arranged in a conical shape, an adjusting cavity 32 used for installing the adjusting block 33 is arranged in the side cover 39 body, the upper end of the adjusting block 33 is in threaded sealing connection with the adjusting cavity 32, the lower end of the adjusting cavity is matched with the adjusting hole 37, an air passing cavity 36 is formed between the adjusting block 33 and the adjusting cavity 32, the periphery of the third pressure sensing diaphragm 30 is tightly sealed and pressed between the side cover 39 and a pump head body 25, one end of the second spring 28 acts on the third pressure sensing diaphragm 30, the other end acts on the pump head body 25, a first air hole 34 is arranged on the third pressure sensing diaphragm 30, the first air hole 34 is communicated with a vacuum cavity 05 through a second air hole 29, an air cavity 48 is formed between the third pressure sensing diaphragm 30 and the side cover 39, an air sealing collar 49 used for sealing an air passage between the first air hole 34 and the air cavity 48 is arranged on the side cover 39 body, the air cavity 48 is communicated with the air passing cavity 36 through the third air hole 35, and the third pressure sensing diaphragm 30 controls the sealing or the communication of the air passage at the air sealing collar 49 under the combined action of the pressure in the vacuum cavity 05, the pressure in the air cavity 48 and the second spring 28.

The specific working principle of the gas control assembly in the embodiment is as follows:

as shown in fig. 2, when the micro bubble water pump is not in operation, the sum of the acting force of the pressure in the vacuum chamber 05 and the elastic force of the second spring 28 on the third pressure sensing diaphragm 30 is larger than the acting force of the pressure in the air chamber 48 on the third pressure sensing diaphragm 30, and the third pressure sensing diaphragm 30 seals the air sealing collar 49 under the combined action of the acting forces; when the micro bubble water pump works, water flow or air in the vacuum cavity 05 is sucked away to form a certain vacuum degree, the vacuum cavity 05 is communicated with the second air hole 29, at the moment, the sum of the acting force of the pressure in the vacuum cavity 05 and the elastic force of the second spring 28 on the third pressure sensing diaphragm 30 is smaller than the acting force of the pressure in the air cavity 48 on the third pressure sensing diaphragm 30, the pressure in the air cavity 48 acts on the third pressure sensing diaphragm 30 to compress the second spring 28, so that the air passage at the air sealing sleeve ring 19 is communicated, external air enters the vacuum cavity 05 from the first air hole 34, because the adjusting hole 37 is arranged in a conical shape with a large upper part and a small lower part, the lower end of the adjusting block 33 is matched with the shape of the adjusting hole 37, the adjusting block 33 is in threaded connection with the adjusting cavity 32, when the adjusting block 33 is rotated to move upwards, the air quantity entering the air cavity 36 through the adjusting hole 37 is larger, otherwise, the air quantity entering the air cavity 36 is smaller, and the air quantity mixed with source water entering the vacuum cavity 05 can be effectively controlled, the greater the vacuum degree of the vacuum chamber 05, the greater the degree of compression of the second spring 28, and the greater the amount of intake air, and if the water pressure in the vacuum chamber 05 is too high, the third pressure sensing diaphragm 30 will be pressed to the right side to seal the air sealing collar 49, thus ensuring that no water will flow out from the air inlet 38.

Example 5

The micro-bubble water pump also comprises a pressure relief assembly, the pressure relief assembly comprises a fourth pressure sensing diaphragm 44, a third spring 42 and a threaded rod 40, the periphery of the fourth pressure sensing diaphragm 44 is tightly pressed between the lower end of the side cover 39 and the pump head body 25 in a sealing manner, a compression cavity is arranged on the body of the side cover 39, a left convex plate 43 and a right convex plate 41 are oppositely arranged in the compression cavity, one end of the third spring 42 acts on the right convex plate 41, the other end of the third spring acts on the left convex plate 43 and tightly presses the fourth pressure sensing diaphragm 44 through the left convex plate 43, bulges on the two convex plates are used for limiting the third spring 42, the situation that the third spring 42 is displaced during compression to influence the working stability of the pressure relief assembly is avoided, the threaded rod 40 transversely penetrates through the side cover 39 to be connected with the side face of the right convex plate 41, a second flow passage 46 and a third flow passage 47 are arranged on the body of the pump head body 25, the second flow passage 47, the water path between the water seal port 45 and the third flow passage 47 is sealed or conducted by the fourth pressure sensing diaphragm 44 and the third spring 42.

The specific working principle of the pressure relief assembly of the embodiment is as follows:

as shown in fig. 2, when the water pressure in the high pressure chamber 24 is too high, the internal water pressure pushes the fourth pressure sensing diaphragm 44 rightward, and compresses the third spring 42, so that the water path at the water sealing port 45 is conducted, the water in the high pressure chamber 24 enters the second flow channel 46 through the third flow channel 47, and then enters the source water chamber 23, so as to form a backflow pressure relief effect, maintain a stable working pressure inside the pump head body 25, and the compression degree of the third spring 42 can be adjusted by adjusting the contact length between the threaded rod 40 and the side cover 39, so as to adjust the water pressure required by the water flow in the high pressure chamber 24 to overcome the counter force of the third spring 42, thereby achieving the water pressure adjustment effect in the high pressure chamber 24.

Specifically, the high-pressure chamber 24 is surrounded by a collar 26 formed by the body of the pump head body 25.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and the technical essence of the present invention is that within the spirit and principle of the present invention, any simple modification, equivalent replacement, and improvement made to the above embodiments are all within the protection scope of the technical solution of the present invention.

Claims

1. A micro-bubble water pump comprises a pump body (25) and a side cover (39), wherein a water inlet cavity (03), a source water cavity (23) and a high-pressure cavity (24) are arranged in the pump body (25), the water inlet cavity (03) and the high-pressure cavity (24) are respectively communicated with a water inlet (01) and a water outlet (16), an air inlet (38) communicated with the source water cavity (23) is arranged on the side cover (39), water in the source water cavity (23) is pressurized and then enters the high-pressure cavity (24), the micro-bubble water pump is characterized by further comprising a flow control assembly and an air control assembly, a vacuum cavity (05) is formed between the flow control assembly and a pump body (25) body, a first flow passage (27) is further arranged in the pump body (25), the vacuum cavity (05) is communicated with the source water cavity (23) through the first flow passage (27), a water sealing sleeve ring (14) and a flow control assembly for controlling the water sealing or conducting of a water path at the position of the water sealing sleeve ring (14) are formed on the water inlet cavity (03) and the vacuum cavity (05), an air sealing sleeve ring (49) and an air control assembly for controlling the air passage at the air sealing sleeve ring (49) to be sealed or communicated are formed on an air passage communicated with the air inlet (38) by the vacuum cavity (05).

2. The micro-bubble water pump according to claim 1, wherein the flow control assembly comprises a control rod (15), a first pressure sensing diaphragm (06), a first spring (12), a diaphragm pressure plate (50), and a fastening connecting rod (13), the periphery of the first pressure sensing diaphragm (06) is fixed between the pump cover (07) and the pump head body (25) in a sealing manner, the first pressure sensing diaphragm (06) and the pump cover (07) form an atmosphere cavity (09), the pump cover (07) is provided with an atmosphere hole (08), the middle part of the first pressure sensing diaphragm (06) is pressed on a pressure plate (10) at the top end of the control rod (15) through the diaphragm pressure plate (50), the side surface of the control rod (15) is provided with a flow limiting groove (11), a water sealing ring (14) is formed by the body of the control rod (15) and is positioned below the flow limiting groove (11), the position of the water sealing ring (14) is sealed by a water sealing pad (04), the lower end of the control rod (15) is connected with a second pressure sensing diaphragm (19), an outer pressing part (18) is arranged in the high-pressure cavity (24), a sliding groove (21) with an upward opening is formed in the outer pressing part (18), the bottom surface of a second pressure sensing diaphragm (19) is circumferentially and hermetically pressed between the outer pressing part (18) and the pump head body (25), the lower end of a fastening connecting rod (13) penetrates through a diaphragm pressing plate (50), a first pressure sensing diaphragm (06), a control rod (15) and the second pressure sensing diaphragm (19) and extends into the sliding groove (21), an inner pressing part (22) and a nut (20) for pressing the second pressure sensing diaphragm (19) are arranged at the lower end of the fastening connecting rod (13), one end of a first spring (12) acts on the control rod (15), and the other end of the first spring acts on the inner wall of the vacuum cavity (05), the control rod (15) controls the sealing or the communication of a water path between the water inlet cavity (03) and the vacuum cavity (05) under the combined action of the pressure in the atmosphere cavity (09), the pressure in the vacuum cavity (05) and the first spring (12).

3. A micro-bubble water pump according to claim 2, wherein a bracket (17) is arranged in the water inlet cavity (03), a water inlet flow passage (02) for communicating the water inlet (01) with the water inlet cavity (03) is arranged on the bracket (17), the lower end of the bracket (17) is used for compressing the periphery of the top surface of the second pressure sensing diaphragm (19), and a water sealing pad (04) for sealing the water sealing sleeve ring (14) is compressed at the top end of the bracket (17).

4. The micro-bubble water pump according to claim 1, wherein the air control assembly comprises a second spring (28), a third pressure-sensitive diaphragm (30), and an adjusting block (33), the main body of the side cover (39) is provided with an adjusting hole (37) communicated with the air inlet (38), the main body of the side cover (39) is provided with an adjusting cavity (32) for installing the adjusting block (33), the upper end of the adjusting block (33) is in threaded sealing connection with the adjusting cavity (32), the lower end of the adjusting block is matched with the adjusting hole (37), a gas passing cavity (36) is formed between the adjusting block (33) and the adjusting cavity (32), the periphery of the third pressure-sensitive diaphragm (30) is tightly sealed between the side cover (39) and the pump head body (25), one end of the second spring (28) acts on the third pressure-sensitive diaphragm (30), the other end acts on the main body of the pump head (25), the third pressure-sensitive diaphragm (30) is provided with a first air hole (34), the first air hole (34) is communicated with the vacuum cavity (05) through the second air hole (29), an air cavity (48) is formed between the third pressure sensing diaphragm (30) and the side cover (39), an air sealing sleeve ring (49) used for sealing an air channel between the first air hole (34) and the air cavity (48) is arranged on the body of the side cover (39), the air cavity (48) is communicated with the air passing cavity (36) through the third air hole (35), and the third pressure sensing diaphragm (30) controls the sealing or the communication of the air channel at the air sealing sleeve ring (49) under the combined action of the pressure in the vacuum cavity (05), the pressure in the air cavity (48) and the second spring (28).

5. The micro-bubble water pump according to claim 1, further comprising a pressure relief assembly, wherein the pressure relief assembly comprises a fourth pressure sensing diaphragm (44), a third spring (42) and a threaded rod (40), the periphery of the fourth pressure sensing diaphragm (44) is tightly sealed and pressed between the lower end of the side cover (39) and the pump head body (25), a compression cavity is arranged on the body of the side cover (39), a left convex plate (43) and a right convex plate (41) are oppositely arranged in the compression cavity, one end of the third spring (42) acts on the right convex plate (41), the other end of the third spring acts on the left convex plate (43) and tightly presses the fourth pressure sensing diaphragm (44) through the left convex plate (43), the threaded rod (40) transversely penetrates through the side cover (39) to be connected with the side surface of the right convex plate (41), a second flow passage (46) and a third flow passage (47) are arranged on the body of the pump head body (25), and the third flow passage (47) is communicated with the high-pressure cavity (24), a water sealing port (45) formed by the body of the pump head body (25) is arranged at the second flow passage (46), and a water path between the water sealing port (45) and the third flow passage (47) is controlled to be sealed or communicated through a fourth pressure sensing diaphragm (44) and a third spring (42).

6. A micro bubble water pump according to claim 1, wherein the high pressure chamber (24) is surrounded by a collar (26) formed by the body of the pump head body (25).