CN215719395U - Double-end booster pump with pipelines - Google Patents

Abstract

The utility model discloses a double-head booster pump with a pipeline, which comprises a first pump head body and a second pump head body, wherein a motor assembly, a swing assembly and a water pumping assembly are arranged between the first pump head body and the second pump head body, a water inlet and a water outlet are arranged on the first pump head body, a first water inlet cavity, a first water outlet cavity and a first boosting cavity are arranged in the first pump head body, a second water inlet cavity, a second water outlet cavity and a second boosting cavity are arranged in the second pump head body, the water inlet is communicated with the first water inlet cavity and the second water inlet cavity at the same time, the water outlet is communicated with the first water outlet cavity and the second water outlet cavity at the same time, the first water inlet cavity and the first water outlet cavity are communicated with the first boosting cavity respectively, and the second water inlet cavity and the second water outlet cavity are communicated with the second boosting cavity respectively. The utility model reduces the number of the corresponding connectors of the double-pump-head booster pump, simplifies the waterway structure of the booster pump, correspondingly simplifies the production process and saves the manufacturing cost.

Description

Double-end booster pump with pipelines

Technical Field

The utility model relates to the technical field of fluid transportation, in particular to a double-head booster pump with a pipeline.

Background

The double-pump-head booster pump is a core component in the water purifier, the pump heads are arranged on two sides of the double-pump-head booster pump, so that the eccentric action of the balance wheel cannot cause the position of a motor shaft to deviate from an axis, the vibration of a rear cover of the pump is reduced, the double-pump-head booster pump has the advantage of low noise, the performance of the motor cannot be excessive, the resource cannot be wasted, and the service life of the motor is longer. But at present two pump head booster pumps, all be provided with water inlet, delivery port at every pump head, need more joint connection pipeline like this, make the inside waterway structure of booster pump also more complicated simultaneously, production technology is also comparatively complicated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-head booster pump with a pipeline, which is used for reducing the number of water inlets and water outlets of the double-head booster pump, reducing the using amount of pipeline joints, optimizing the waterway structure of the booster pump, simplifying the production process and saving the manufacturing cost.

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

the utility model provides a from double-end booster pump of taking pipeline, includes first pump head body and second pump head body, is equipped with motor element, swing subassembly and pump water subassembly between first pump head body and the second pump head body, be equipped with water inlet, delivery port on the first pump head body, be equipped with first intake antrum, first play water cavity, first pressure boost chamber in the first pump head body, be equipped with second intake antrum, second play water cavity, second pressure boost chamber in the second pump head body, the water inlet is put through simultaneously with first intake antrum, second intake antrum, the delivery port is put through simultaneously with first play water cavity, second play water cavity, first intake antrum, first play water cavity are put through with first pressure boost chamber respectively, second intake antrum, second play water cavity are put through with second pressure boost chamber respectively. Compared with the prior art, the existing double-pump head booster pump is provided with a water inlet end and a water outlet end respectively at two pump heads, so that more joints are required to be added for connecting water paths, and the complexity of the structure of the booster pump is increased; in the scheme, only one of the pump head bodies is provided with the water inlet and the water outlet, the water inlet is communicated with the first water outlet cavity and the second water outlet cavity in the two pump head bodies at the same time, and the water outlet is communicated with the first water outlet cavity and the second water outlet cavity in the two pump head bodies at the same time, so that the water in the two water inlet cavities is sucked into the two pressurizing cavities through the mutual matching of the motor assembly, the swing assembly and the water pumping assembly, the water in the two water inlet cavities is pumped into the two pressurizing cavities from the two pressurizing cavities to the two water outlet cavities and finally reaches the water outlet, and the pressurizing pump is provided with only one water inlet and one water outlet, so that the water can be pumped by the two pump heads at the same time, the number of the corresponding joints is reduced, the waterway structure of the pressurizing pump is simplified, the production process is correspondingly simplified, and the manufacturing cost is saved.

Preferably, a water inlet pipe is arranged between the water inlet and the first water inlet cavity and between the water inlet and the second water inlet cavity, the water inlet pipe comprises a first water inlet pipe and a second water inlet pipe, the first water inlet pipe and the second water inlet pipe are respectively communicated with the first water inlet cavity and the second water inlet cavity, and the lower end of the first water inlet pipe is hermetically sleeved with the upper end of the second water inlet pipe; and water outlet pipes are arranged between the water outlet and the first water outlet cavity and between the water outlet and the second water outlet cavity, each water outlet pipe comprises a first water outlet pipe and a second water outlet pipe, the first water outlet pipe and the second water outlet pipe are respectively communicated with the first water outlet cavity and the second water outlet cavity, and the lower end of the first water outlet pipe is hermetically sleeved with the upper end of the second water outlet pipe.

Preferably, a first plug is arranged at the upper port of the first water inlet pipe, a first sealing ring is circumferentially sleeved at the lower end of the first water inlet pipe, a ring sleeve matched with the first water inlet pipe is arranged at the upper end of the second water inlet pipe, and a second plug is arranged at the lower port of the second water inlet pipe; the upper end of the first water outlet pipe is provided with a third plug, the lower end of the first water outlet pipe is circumferentially sleeved with a second sealing ring, the upper end of the second water outlet pipe is provided with a ring sleeve matched with the first water outlet pipe, and the lower end of the second water outlet pipe is provided with a fourth plug.

Preferably, the first pump head body and the second pump head body are arranged oppositely up and down, the lower end of the first pump head body is provided with a first shell, a first pressure sensing diaphragm is hermetically compressed between the first pump head body and the first shell, a first pressurizing cavity is formed between the first pressure sensing diaphragm and the first pump head body, the upper end of the second pump head body is provided with a second shell, a second pressure sensing diaphragm is hermetically compressed between the second pump head body and the second shell, a second pressurizing cavity is formed between the second pressure sensing diaphragm and the second pump head body, a third shell is arranged between the first shell and the second shell, and the motor assembly, the swing assembly and the water pumping assembly are arranged in an installation cavity formed by the first shell, the second shell and the third shell.

Preferably, the swing assembly comprises a first swing assembly and a second swing assembly, the water pumping assembly comprises a first water pumping assembly and a second water pumping assembly, the first swing assembly and the second swing assembly are symmetrically connected to the upper end and the lower end of the motor assembly, the working end of the first swing assembly is connected with the first water pumping assembly, the working end of the first water pumping assembly is connected with the first pressure sensing diaphragm, the working end of the second swing assembly is connected with the second water pumping assembly, and the second water pumping assembly is connected with the second pressure sensing diaphragm. Two ends of the motor component simultaneously drive the two swing components to move, the two swing components respectively drive the two water pumping components to extrude the pressure sensing diaphragm, and then water in the water inlet cavity is sucked into the pressurizing cavity and pumped out of the pressurizing cavity to the water outlet cavity and reaches the water outlet to be conveyed to the next component.

Preferably, a first water inlet one-way structure is arranged between the first water inlet cavity and the first pressurizing cavity, and a first water outlet one-way structure is arranged between the first pressurizing cavity and the first water outlet cavity. The one-way structure can effectively avoid the condition that water flows back.

Preferably, a second water inlet one-way structure is arranged between the second water inlet cavity and the second pressurizing cavity, and a second water outlet one-way structure is arranged between the second pressurizing cavity and the second water outlet cavity. The one-way structure can effectively avoid the condition that water flows back.

Preferably, a water passing cavity is arranged between the first water inlet cavity and the water inlet, so that source water can directly enter the first water inlet cavity.

The utility model has the following beneficial effects:

the water inlet and the water outlet are arranged on only one of the pump head bodies, the water inlet is simultaneously communicated with the first water outlet cavity and the second water outlet cavity in the two pump head bodies, and the water outlet is simultaneously communicated with the first water outlet cavity and the second water outlet cavity in the two pump head bodies, so that the pressurizing cavities are extruded through the mutual matching of the motor assembly, the swinging assembly and the water pumping assembly, water in the two water inlet cavities is sucked into the two pressurizing cavities, the water is pumped from the two pressurizing cavities to the two water outlet cavities and finally reaches the water outlet, and the water is simultaneously pumped by the two pump heads only through the arrangement of one water inlet and one water outlet, so that the number of corresponding joints is reduced, the waterway structure of the pressurizing pump is simplified, the production process is correspondingly simplified, and the manufacturing cost is saved.

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-a water inlet, 02-a first pump head body, 03-a first water outlet cavity, 04-a water outlet, 05-a water outlet one-way structure, 06-a first water outlet hole, 07-a first pressurizing cavity, 08-a first shell, 09-a third shell, 10-a second shell, 11-a second swinging component, 12-a second pressurizing cavity, 13-a second pump head body, 14-a second water outlet hole, 15-a second water outlet cavity, 16-a second water outlet one-way structure, 17-a second pressure sensing diaphragm, 18-a motor component, 19-a first swinging component, 20-a first pressure sensing diaphragm, 21-a water passing cavity, 22-a first water inlet one-way structure, 23-a first water pumping component, 24-a first water inlet cavity, 25-a first water inlet hole, 26-a third plug, 27-a first water outlet pipe, 28-a second sealing ring, 29-a second water pumping assembly, 30-a second water inlet cavity, 31-a fourth plug, 32-a second water inlet hole, 33-a second water inlet one-way structure, 34-a second plug, 35-a second water inlet pipe, 36-a first sealing ring, 37-a first water inlet pipe, 38-a first plug and 39-a second water outlet pipe.

Detailed Description

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

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 orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "open," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1 and 2, a double-head booster pump with a pipeline comprises a first pump head body 02 and a second pump head body 13, a motor assembly 18, a swing assembly and a water pumping assembly are arranged between the first pump head body 02 and the second pump head body 13, the motor assembly 18, the swing assembly and the water pumping assembly are all existing structures in the existing double-pump-head booster pump, the driving principle and the structure thereof are all the prior known technologies, the first pump head body 02 is provided with a water inlet 01 and a water outlet 04, the first pump head body 02 is internally provided with a first water inlet cavity 24, a first water outlet cavity 03 and a first booster cavity 07, the second pump head body 13 is internally provided with a second water inlet cavity 30, a second water outlet cavity 15 and a second booster cavity 12, the water inlet 01 is simultaneously communicated with the first water inlet cavity 24 and the second water inlet cavity 30, the water outlet 04 is simultaneously communicated with the first water outlet cavity 03 and the second water outlet cavity 15, and a water passing cavity 21 is arranged between the first water inlet 24 and the water inlet 01, the source water can directly enter the first water inlet cavity, the first water inlet cavity 24 and the first water outlet cavity 03 are respectively communicated with the first pressurizing cavity 07, and the second water inlet cavity 30 and the second water outlet cavity 15 are respectively communicated with the second pressurizing cavity 12.

In this embodiment, only the first pump head body 02 is provided with the water inlet 01 and the water outlet 04, the water inlet 01 is communicated with the first water outlet cavity 03 and the second water outlet cavity 15 in the two pump head bodies at the same time, and the water outlet 04 is communicated with the first water outlet cavity 03 and the second water outlet cavity 15 in the two pump head bodies at the same time, so that the pressurizing cavities are squeezed through the mutual cooperation of the motor assembly 18, the swing assembly and the water pumping assembly, water in the two water inlet cavities is sucked into the two pressurizing cavities, pumped from the two pressurizing cavities to the two water outlet cavities, and finally reaches the water outlet 04, and the pressurizing pump is provided with only one water inlet 01 and one water outlet 04, so that the two pump heads can pump water at the same time, thereby reducing the number of the corresponding joints, simplifying the waterway structure of the pressurizing pump, correspondingly simplifying the production process, and saving the manufacturing cost.

Example 2

As shown in fig. 1 and 2, water inlet pipes are arranged between the water inlet 01 and the first water inlet cavity 24 and the second water inlet cavity 30, the water inlet pipes comprise a first water inlet pipe 37 and a second water inlet pipe 35, the first water inlet pipe 37 and the second water inlet pipe 35 are respectively communicated with the first water inlet cavity 24 and the second water inlet cavity 30, and the lower end of the first water inlet pipe 37 is hermetically sleeved with the upper end of the second water inlet pipe 35; and water outlet pipes are arranged between the water outlet 04 and the first water outlet cavity 03 and the second water outlet cavity 15 and comprise a first water outlet pipe 27 and a second water outlet pipe 39, the first water outlet pipe 27 and the second water outlet pipe 39 are respectively communicated with the first water outlet cavity 03 and the second water outlet cavity 15, and the lower end of the first water outlet pipe 27 is hermetically sleeved with the upper end of the second water outlet pipe 39.

The working principle of the embodiment is as follows: when the booster pump works, the motor component 18 drives the swing component to act, the swing component drives the water pumping component to act, the water pumping component carries out reciprocating extrusion on the corresponding booster cavities, source water enters the first water inlet cavity 24 and the second water inlet cavity 30 through the first water inlet pipe 37 and the second water inlet pipe 35 through the water inlet 01, the booster cavities suck the source water in the two water inlet cavities into the booster cavities, the water pumping component extrudes the two booster cavities again to pump the source water to the two water outlet cavities, the first water outlet cavity 03 and the second water outlet cavity 15 convey the source water to the water outlet 04 through the first water outlet pipe 27 and the second water outlet pipe 39, so that the water pumping process of the double-pump head booster pump is realized, in the embodiment, only the water inlet pipe needs to be arranged between the water inlet 01 and the two water inlet cavities, the water outlet pipe needs to be arranged between the water outlet 04 and the two water outlet cavities, and therefore, the water inlet port and the water outlet port need not to be arranged on the two pump head bodies respectively, therefore, the amount of the joints on the corresponding water path is reduced, the water path structure of the booster pump is optimized, the production process is simplified, and the manufacturing cost is saved.

Example 3

As shown in fig. 1 and 2, specifically, a first plug 38 is detachably arranged at an upper port of the first water inlet pipe 37, so as to facilitate installation of the first water inlet pipe when the first water inlet pipe is taken down at any time, a first sealing ring 36 is circumferentially sleeved at a lower end of the first water inlet pipe 37, a ring sleeve matched with the first water inlet pipe 37 is arranged at an upper end of the second water inlet pipe 35, the lower end of the first water inlet pipe 37 is directly inserted into the ring sleeve, the two water inlet pipes are communicated by adopting a socket-and-spigot manner, so as to facilitate installation and disassembly of the two water inlet pipes, and the first sealing ring 36 has a function of preventing source water from leaking; a second plug 34 is detachably arranged at the lower port of the second water inlet pipe 35; the detachable third end cap 26 that is equipped with of first outlet pipe 27 upper port, first outlet pipe 27 lower extreme circumference cover is equipped with second sealing washer 28, second outlet pipe 39 upper end is equipped with the ring cover that matches with first outlet pipe 27, first outlet pipe 27 lower extreme disect insertion is to the ring cover, adopts the mode of socket joint to put through two outlet pipes, the installation and the dismantlement of two outlet pipes of being convenient for, second sealing washer 28 has the effect that prevents the source water seepage, second outlet pipe 39 lower port detachable is equipped with fourth end cap 31.

Example 4

As shown in fig. 1 and 2, specifically, the first pump head body 02 and the second pump head body 13 are arranged opposite to each other in an up-down direction, the lower end of the first pump head body 02 is provided with a first housing 08, a first pressure sensing diaphragm is tightly sealed and compressed between the first pump head body 02 and the first housing 08, a first pressurizing cavity 07 is formed between the first pressure sensing diaphragm 20 and the first pump head body 02, the upper end of the second pump head body 13 is provided with a second housing 10, the second pump head body 13 and the second housing 10 are tightly sealed and compressed in the circumferential direction of the second pressure sensing diaphragm 17, a second pressurizing cavity 12 is formed between the second pressure sensing diaphragm 17 and the second pump head body 13, a third housing 09 is arranged between the first housing 08 and the second housing 10, and the motor assembly 18, the swing assembly and the water pumping assembly are installed in an installation cavity formed by the first housing 08, the second housing 10 and the third housing 09.

Specifically, the swing assembly comprises a first swing assembly 19 and a second swing assembly 11, the water pumping assembly comprises a first water pumping assembly 23 and a second water pumping assembly 29, the first swing assembly 19 and the second swing assembly 11 are symmetrically connected to the upper end and the lower end of the motor assembly 18, the working end of the first swing assembly 19 is connected with the first water pumping assembly 23, the working end of the first water pumping assembly 23 is connected with the first pressure sensing diaphragm 20, the working end of the second swing assembly 11 is connected with the second water pumping assembly 29, and the second water pumping assembly 29 is connected with the second pressure sensing diaphragm 17. Two ends of a transmission shaft in the motor assembly 18 simultaneously drive balance wheels of the two swing assemblies to move, the two balance wheels respectively drive eccentric parts in the two water pumping assemblies to extrude the pressure sensing diaphragm, and then water in the water inlet cavity is sucked into the pressurizing cavity and pumped out of the pressurizing cavity to the water outlet cavity and reaches the water outlet 04 to be conveyed to the next component.

Example 5

As shown in fig. 1 and 2, specifically, a first water inlet one-way structure 22 is arranged between the first water inlet cavity 24 and the first pressure increasing cavity 07, and a first water outlet one-way structure 05 is arranged between the first pressure increasing cavity 07 and the first water outlet cavity 03; a second water inlet one-way structure 33 is arranged between the second water inlet cavity 30 and the second pressurizing cavity 12, a second water outlet one-way structure 16 is arranged between the second pressurizing cavity 12 and the second water outlet cavity 15, the one-way structure can effectively avoid the situation that water flows reversely, the water inlet one-way structure adopts a water inlet one-way valve flap, the water outlet one-way structure 05 adopts a water outlet one-way valve flap, a first water inlet hole 25 and a second water inlet hole 32 are formed in the first pump head body 02 and the second pump head body 13, the first water inlet hole 25 is used for communicating the first water inlet cavity 24 with the first pressurizing cavity 07, the second water inlet hole 32 is used for communicating the second water inlet cavity 30 with the second pressurizing cavity 12, and the two water inlet one-way valve flaps are matched and fixed in the two pump head bodies and used for controlling source water to enter the pump head pressurizing cavity only through the water inlet holes to prevent the occurrence of backflow; a first water outlet hole 06 and a second water outlet hole 14 are further formed in the first pump head body 02 and the second pump head body 13, the first water outlet hole 06 is used for communicating a water path between the first pressurizing cavity 07 and the first water outlet cavity 03, the second water outlet hole 14 is used for communicating a water path between the second pressurizing cavity 12 and the second water outlet cavity 15, and the two water outlet one-way valve flaps are fixed in the two pump head bodies in a matched mode and used for controlling source water to be pumped to the two water outlet cavities only through the two pressurizing cavities, so that backflow is avoided.

The foregoing is only a preferred embodiment of the present invention, and the present invention is not limited thereto in any way, and any simple modification, equivalent replacement and improvement made to the above embodiment within the spirit and principle of the present invention still fall within the protection scope of the present invention.

Claims (8)

1. A double-end booster pump with a pipeline comprises a first pump body (02) and a second pump body (13), wherein a motor component (18), a swing component and a water pumping component are arranged between the first pump body (02) and the second pump body (13), the double-end booster pump is characterized in that a water inlet (01) and a water outlet (04) are arranged on the first pump body (02), a first water inlet cavity (24), a first water outlet cavity (03) and a first booster cavity (07) are arranged in the first pump body (02), a second water inlet cavity (30), a second water outlet cavity (15) and a second booster cavity (12) are arranged in the second pump body (13), the water inlet (01) is communicated with the first water inlet cavity (24) and the second water inlet cavity (30) simultaneously, the water outlet (04) is communicated with the first water outlet cavity (03) and the second water outlet cavity (15) simultaneously, the first water inlet cavity (24) and the first water outlet cavity (03) are communicated with the first booster cavity (07) respectively, the second water inlet cavity (30) and the second water outlet cavity (15) are respectively communicated with the second pressurizing cavity (12).

2. The double-end booster pump with the pipeline as claimed in claim 1, wherein a water inlet pipe is arranged between the water inlet (01) and the first water inlet cavity (24) and the second water inlet cavity (30), the water inlet pipe comprises a first water inlet pipe (37) and a second water inlet pipe (35), the first water inlet pipe (37) and the second water inlet pipe (35) are respectively communicated with the first water inlet cavity (24) and the second water inlet cavity (30), and the lower end of the first water inlet pipe (37) is hermetically sleeved with the upper end of the second water inlet pipe (35); and water outlet pipes are arranged between the water outlet (04) and the first water outlet cavity (03) and the second water outlet cavity (15), each water outlet pipe comprises a first water outlet pipe (27) and a second water outlet pipe (39), the first water outlet pipe (27) and the second water outlet pipe (39) are communicated with the first water outlet cavity (03) and the second water outlet cavity (15) respectively, and the lower end of the first water outlet pipe (27) is hermetically sleeved with the upper end of the second water outlet pipe (39).

3. The double-head booster pump with the pipeline as claimed in claim 2, wherein a first plug (38) is arranged at an upper port of the first water inlet pipe (37), a first sealing ring (36) is circumferentially sleeved at a lower end of the first water inlet pipe (37), a ring sleeve matched with the first water inlet pipe (37) is arranged at an upper end of the second water inlet pipe (35), and a second plug (34) is arranged at a lower port of the second water inlet pipe (35); the upper port of the first water outlet pipe (27) is provided with a third plug (26), the lower end of the first water outlet pipe (27) is circumferentially sleeved with a second sealing ring (28), the upper end of the second water outlet pipe (39) is provided with a ring sleeve matched with the first water outlet pipe (27), and the lower port of the second water outlet pipe (39) is provided with a fourth plug (31).

4. The double-head booster pump with the pipeline as claimed in claim 1, wherein the first pump head body (02) and the second pump head body (13) are arranged oppositely up and down, the lower end of the first pump head body (02) is provided with a first housing (08), a first pressure sensing diaphragm is tightly sealed and compressed between the first pump head body (02) and the first housing (08), a first pressurizing cavity (07) is formed between the first pressure sensing diaphragm (20) and the first pump head body (02), the upper end of the second pump head body (13) is provided with a second housing (10), a second pressure sensing diaphragm (17) is tightly sealed and compressed between the second pump head body (13) and the second housing (10), a second pressurizing cavity (12) is formed between the second pressure sensing diaphragm (17) and the second pump head body (13), a third housing (09) is arranged between the first housing (08) and the second housing (10), the motor assembly (18), The swinging assembly and the water pumping assembly are arranged in an installation cavity formed by the first shell (08), the second shell (10) and the third shell (09).

5. The double-end booster pump with the pipeline as claimed in claim 4, wherein the swing assembly comprises a first swing assembly (19) and a second swing assembly (11), the water pumping assembly comprises a first water pumping assembly (23) and a second water pumping assembly (29), the first swing assembly (19) and the second swing assembly (11) are symmetrically connected to the upper end and the lower end of the motor assembly (18), the working end of the first swing assembly (19) is connected with the first water pumping assembly (23), the working end of the first water pumping assembly (23) is connected with the first pressure sensing diaphragm (20), the working end of the second swing assembly (11) is connected with the second water pumping assembly (29), and the second water pumping assembly (29) is connected with the second pressure sensing diaphragm (17).

6. The double-head booster pump with the pipeline as claimed in claim 1, wherein a first water inlet one-way structure (22) is arranged between the first water inlet cavity (24) and the first booster cavity (07), and a first water outlet one-way structure (05) is arranged between the first booster cavity (07) and the first water outlet cavity (03).

7. The double-headed booster pump with the pipeline as claimed in claim 1, wherein a second water inlet one-way structure (33) is arranged between the second water inlet cavity (30) and the second booster cavity (12), and a second water outlet one-way structure (16) is arranged between the second booster cavity (12) and the second water outlet cavity (15).

8. The double-headed booster pump with the pipeline as claimed in claim 1, wherein a water passing cavity (21) is arranged between the first water inlet cavity (24) and the water inlet (01).

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