CN210218009U

CN210218009U - Four-plunger type high-pressure plunger pump

Info

Publication number: CN210218009U
Application number: CN201920993117.2U
Authority: CN
Inventors: Weiguo Sun; 孙伟国; Shikun Zhang; 张时琨; Qianqing Dong; 董乾清; Fengjie Yan; 严锋杰; Chuan Yang; 杨川
Original assignee: NINGBO FUSLE MECHANICAL MANUFACTURING Co Ltd
Current assignee: NINGBO FUSLE MECHANICAL MANUFACTURING Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-03-31
Anticipated expiration: 2029-06-28

Abstract

The utility model relates to a four-plunger high-pressure plunger pump, which comprises a pump body, wherein a plunger working chamber is arranged in the pump body, the plunger working chamber comprises a water storage chamber and a runner pipe which are formed by an integrated structure, four runners for installing a water inlet one-way valve are arranged in the water storage chamber, and the four runners are distributed in an equal surrounding way; a water inlet for introducing cleaning fluid into the cavity is formed in the cavity wall of the water storage cavity, a water outlet is formed in one side of the circulating pipe, four circulating ports which are arranged in parallel and uniformly are formed in the circulating pipe, and the circulating ports are communicated with the four flow channels in a one-to-one correspondence mode through the sub-circulating pipes; the utility model has the advantages that: the four runners distributed in the water storage cavity are integrally arranged in an inclined manner, and the sub-runners communicated with the four runners are not mutually intersected, so that the plunger pump is more compact in structure and better in performance in the arrangement mode, and the flow regulation precision is higher through respective control.

Description

Four-plunger type high-pressure plunger pump

Technical Field

The utility model belongs to the technical field of the plunger pump, especially, relate to a four plunger formula high pressure plunger pumps.

Background

The high-pressure cleaning machine is a machine which uses a power device (motor, gasoline engine and diesel engine) to make a high-pressure plunger pump generate high-pressure water to wash the surface of an object, and can peel off and wash away dirt to achieve the purpose of cleaning the surface of the object. Because the high-pressure water column is used for cleaning dirt, high-pressure cleaning is one of the most scientific, economic and environment-friendly cleaning modes acknowledged by the world. The plunger pump is an important device for distributing cleaning fluid in the high-pressure cleaning machine, and in the prior art, the multi-plunger pump has the advantages of segmented control of fluid and high adjustment precision, but because the volume of the plunger pump is limited, when the flow is required to be adjusted and controlled by adopting four plungers, the arrangement of a flow passage in the plunger pump is difficult, and the arrangement mode of water inlet and outlet of the four plungers greatly affects the performance and the volume of the whole plunger pump.

Disclosure of Invention

An object of the utility model is to overcome the not enough of prior art existence, and provide a compact structure, the good four plunger high pressure plunger pumps of performance.

The utility model aims at solving the technical scheme that the four-plunger high-pressure plunger pump comprises a pump body, wherein a plunger working chamber is arranged in the pump body, the plunger working chamber comprises a water storage chamber and a runner pipe which are formed into an integral structure, four runners for installing a water inlet one-way valve are arranged in the water storage chamber, and the four runners are distributed in an equal surrounding way; the washing device comprises a water storage cavity, a circulating pipe and a washing liquid inlet, wherein the water storage cavity is provided with a water inlet for introducing washing liquid into the cavity, one side of the circulating pipe is provided with a water outlet, four circulating ports which are arranged in parallel and in equal arrangement are arranged in the circulating pipe, and the circulating ports are communicated with four runners in a one-to-one correspondence manner through the circulating pipes.

Preferably, the water storage cavity is a cylindrical cavity, and the circulating pipe is positioned at the tangent position of the wall of the water storage cavity.

Preferably, the four flow passages are arranged in an inclined manner between the circumferential position on the water storage cavity and a diameter connecting line passing through a tangent point on the tangent line and positioned in the water storage cavity.

Preferably, four sub-flow pipes are arranged in parallel at equal intervals.

Preferably, the circulation pipes are vertically distributed and are arranged perpendicular to the circulation pipes.

Preferably, the other side of the circulation pipe is provided with a pressure regulating hole for regulating the pressure in the pump.

Preferably, a relief valve is mounted at the water outlet of the flow pipe.

The utility model has the advantages that: the four runners distributed in the water storage cavity are integrally arranged in an inclined manner, and the sub-runners communicated with the four runners are not mutually intersected, so that the plunger pump is more compact in structure and better in performance in the arrangement mode, and the flow regulation precision is higher through respective control.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the three-dimensional structure of the plunger working chamber of the present invention.

Fig. 3 is a schematic view of the structure of the plunger working chamber of the present invention.

The reference numbers in the drawings are respectively: 1. a pump body; 2. a plunger working chamber; 3. a water inlet one-way valve; 4. an overflow valve; 5. a water outlet one-way valve; 21. a water storage chamber; 22. a flow-through tube; 21-1, a flow channel; 21-2, a water inlet; 21-3, a sub-circulation pipe; 22-1, a water outlet; 22-2, a flow port; 22-3, pressure regulating holes; 21-3-1, a first sub-flow pipe; 21-3-2 and a second sub-runner pipe; 21-3-3, a third sub-runner pipe 21-3-4 and a fourth sub-runner pipe; 21-1-1, a first flow channel; 21-1-2, a second flow channel; 21-1-3, a third flow channel; 21-1-4 and a fourth flow passage.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings 1 to 3: the utility model comprises a pump body 1, a plunger working chamber 2 is arranged in the pump body 1, the plunger working chamber 2 comprises a water storage chamber 21 and a runner pipe 22 which are formed by an integral structure, four runners 21-1 for installing a water inlet one-way valve 3 are arranged in the water storage chamber 21, a plunger is arranged in the runner 21-1, and the four runners 21-1 are distributed in an equal surrounding way; a water inlet 21-2 for introducing cleaning fluid into the cavity is arranged on the cavity wall of the water storage cavity 21, a water outlet 22-1 is arranged on one side of the circulating pipe 22, four circulating ports 22-2 which are arranged in parallel and equally are arranged in the circulating pipe 22, the circulating ports 22-2 are communicated with the four flow channels 21-1 in a one-to-one correspondence manner through sub-flow pipes 21-3, water outlet one-way valves 5 are arranged in the circulating ports 22-2, and the water outlet one-way valves 5 are respectively communicated with the sub-flow pipes 21-3 in a one-to-one correspondence manner; the working principle of the plunger pump adopting the structure is as follows:

cleaning fluid enters the water storage cavity 21 through the water inlet 21-2, the cleaning fluid in the water storage cavity 21 is introduced into the flow channel 21-1 through the respective water inlet one-way valve 3, and is changed into a high-pressure state through the plunger movement in the flow channel 21-1, and is converged and flowed into the flow pipe 22 through the respective sub flow pipe 21-3, and finally, the cleaning gun of the high-pressure cleaning machine is connected with the water outlet 22-1 on the flow pipe 22 through the high-pressure pipe, if the pressure is too high, the pressure can be timely regulated through the pressure regulating valve on the pressure regulating hole 22-3, so that the pressure in the pump body 1 tends to be stable.

The water storage cavity 21 is a cylindrical cavity, and the circulating pipe 22 is positioned at the tangent position of the wall of the water storage cavity 21, namely, the axial core line of the circulating pipe 22 is vertically arranged with the diameter connecting line of the water storage cavity 21.

The circumferential positions of the four flow channels 21-1 on the water storage cavity 21 and a diameter connecting line passing through a tangent point on a tangent line of the water storage cavity 21 are arranged in an inclined manner, and the inclined angle ranges from 7 degrees to 15 degrees, preferably 10 degrees; namely, the four flow channels 21-1 are respectively positioned at the upper, lower, left and right positions in the water storage cavity 21, the intersection point of the connecting lines where the two corresponding flow channels 21-1 are positioned is the cavity core point of the water storage cavity 21, and the four flow channels 21-1 are arranged together around the cavity core point in a clockwise or anticlockwise way at an angle of 7-15 degrees.

Four sub-circulation pipes 21-3 are arranged in parallel at equal intervals, and the sub-circulation pipes 21-3 are vertically distributed and are vertically arranged with the circulation pipe 22; the purpose is as follows: in order to make the whole plunger working cavity more compact in structure and better in performance.

The sub-runner pipe 21-3 is divided into a first sub-runner pipe 21-3-1, a second sub-runner pipe 21-3-2, a third sub-runner pipe 21-3-3 and a fourth sub-runner pipe 21-3-4, the runner 21-1 comprises a first runner 21-1-1, a second runner 21-1-2, a third runner 21-1-3 and a fourth runner 21-1-4, the first sub-runner pipe 21-3-1 is communicated with the first runner 21-1-1, the second sub-runner pipe 21-3-2 is communicated with the second runner 21-1-2, and so on.

The other side of the circulation pipe 22 is provided with a pressure regulating hole 22-3 for regulating the pressure in the pump, if the pressure is too high, the pressure can be timely regulated through a pressure regulating valve on the pressure regulating hole 22-3, and the pressure in the pump body 1 tends to be stable

The overflow valve 4 is arranged at the water outlet 22-1 of the circulating pipe 22, so that the cleaning fluid flowing through the water outlet 22-1 is in a pressure stabilizing state, and the performance of the whole plunger pump is more reliable.

The present invention is not limited to the above embodiments, and any change is made on the shape or material composition, and all the structural designs provided by the present invention are all the deformation of the present invention, which should be considered within the protection scope of the present invention.

Claims

1. The utility model provides a four plunger formula high pressure plunger pumps, includes the pump body (1), be equipped with plunger working chamber (2), its characterized in that in the pump body (1): the plunger working cavity (2) comprises a water storage cavity (21) and a circulating pipe (22) which are integrally formed, four runners (21-1) for installing the water inlet check valve (3) are arranged in the water storage cavity (21), and the four runners (21-1) are distributed in an equal surrounding manner; the washing machine is characterized in that a water inlet (21-2) for introducing washing fluid into the cavity is formed in the cavity wall of the water storage cavity (21), a water outlet (22-1) is formed in one side of the circulating pipe (22), four circulating ports (22-2) which are arranged in parallel and in an equal arrangement mode are formed in the circulating pipe (22), and the circulating ports (22-2) are communicated with the four flow channels (21-1) in a one-to-one correspondence mode through the circulating pipes (21-3).

2. The four-plunger high-pressure plunger pump according to claim 1, characterized in that: the water storage cavity (21) is a cylindrical cavity, and the circulating pipe (22) is positioned at the tangential position of the wall of the water storage cavity (21).

3. The four-plunger high-pressure plunger pump according to claim 2, characterized in that: the circumferential positions of the four flow passages (21-1) on the water storage cavity (21) and a diameter connecting line passing through a tangent point on a tangent line are arranged in an inclined shape.

4. The four-plunger high-pressure plunger pump according to claim 1, characterized in that: four sub-flow pipes (21-3) are arranged in parallel at equal intervals.

5. The four-plunger high-pressure plunger pump according to claim 1, characterized in that: the sub-circulation pipes (21-3) are vertically distributed and are vertically arranged with the circulation pipe (22).

6. The four-plunger high-pressure plunger pump according to claim 1, characterized in that: and a pressure regulating hole (22-3) for regulating the pressure in the pump is formed in the other side of the circulating pipe (22).

7. The four-plunger high-pressure plunger pump according to claim 1, characterized in that: an overflow valve (4) is arranged at the water outlet (22-1) of the circulating pipe (22).