CN216241130U

CN216241130U - Pump head with multi-cylinder structure

Info

Publication number: CN216241130U
Application number: CN202122863906.4U
Authority: CN
Inventors: 阮官友; 阮鹏玮
Original assignee: Zhejiang Shuimoli Electromechanical Equipment Co ltd
Current assignee: Zhejiang Shuimoli Electromechanical Equipment Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-04-08
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses a pump head with a multi-cylinder structure, which comprises a rotating shaft box, wherein a rotating main shaft is rotatably arranged in the rotating shaft box, the outer wall of the rotating main shaft is fixedly connected with a first piston assembly, a second piston assembly, a third piston assembly, a fourth piston assembly and a fifth piston assembly in sequence, a water inlet pipe is arranged on one side of the rotating main shaft, a water outlet pipe is arranged on the other side of the rotating main shaft, a top cover is fixedly arranged at the top end of the rotating shaft box, a water guide cavity is arranged in the top cover, a mounting groove is formed in the bottom end groove wall of the water guide cavity, and a piston sleeve is fixedly arranged at the bottom end of the inner cavity of the mounting groove. This pump head of multi-cylinder body structure through pivot case structure when utmost point is with the lubricating oil cooling, through the rivers of inlet tube and drain pipe guide increase the cooling through pivot case to ensure this pump and keep a lower temperature at the operation in-process, thereby prolong the life of pump.

Description

Pump head with multi-cylinder structure

Technical Field

The utility model relates to the technical field of water pumps, in particular to a pump head with a multi-cylinder structure.

Background

In the prior art, a pump is a machine that delivers or pressurizes a fluid, and the energy of the fluid is increased by transferring mechanical energy of a prime mover or other external energy to the fluid. The piston pump is also called an electric reciprocating pump, and is structurally divided into a single cylinder and a plurality of cylinders, and is characterized by high lift. Oil emulsion suitable for conveying solid particles at normal temperature

Through the retrieval, chinese patent application number is CN 201420431715.8's patent, discloses a three jar piston pump, including the pump body and pump head, the pump head includes three cylinder barrel that is arranged side by side, install the bent axle on the pump body, be connected with three connecting rods on the bent axle, the other end of connecting rod is connected with the intermediate lever, the piston is installed to the end of intermediate lever, and three connecting rods each other become 120 contained angles, its characterized in that: the piston comprises a ceramic rod, a sealing ring and a cylinder sleeve, the sealing ring is installed inside the cylinder sleeve, the sealing ring is sleeved on the ceramic rod, and a water inlet valve and a water outlet valve are further arranged in the pump head.

The above patents suffer from the following disadvantages: the crankshaft of the device can generate high temperature during working, heat dissipation is achieved only by means of self heat dissipation capacity, the effect is poor, and the service life of the crankshaft is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a pump head with a multi-cylinder structure.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a pump head that possess multi-cylinder body structure, includes the pivot case, the rotation main shaft is installed to the internal rotation of pivot case, the outer wall that rotates the main shaft is fixedly connected with first piston assembly, second piston assembly, third piston assembly, fourth piston assembly and fifth piston assembly in proper order, just one side of rotating the main shaft is provided with the inlet tube, the opposite side of rotating the main shaft is provided with the outlet pipe.

As a still further scheme of the utility model: the cooling device comprises a rotating shaft box, a top cover, a water guide cavity, a mounting groove, a piston sleeve, a cooling cavity, a water inlet pipe, a water outlet pipe and a rotating main shaft, wherein the top cover is fixedly mounted at the top end of the rotating shaft box, the water guide cavity is formed in the top cover, the bottom groove wall of the water guide cavity is formed in the bottom end of the mounting groove, the piston sleeve is fixedly mounted at the bottom end of the inner cavity of the mounting groove, the bottom end of the inner cavity of the rotating shaft box is arranged into the cooling cavity, and the water inlet pipe, the water outlet pipe and the rotating main shaft are all arranged in the cooling cavity.

As a still further scheme of the utility model: the both ends of inlet tube all run through the box of pivot case and outwards extend, one of them extension end fixedly connected with first connecting tube of inlet tube.

As a still further scheme of the utility model: one end of the first connecting pipe is fixedly connected with a water inlet valve, and the water inlet valve is fixedly installed at the top end of one side of the rotary shaft box.

As a still further scheme of the utility model: the two ends of the water outlet pipe penetrate through the box body of the rotary shaft box and extend outwards, and one extending end of the water outlet pipe is fixedly connected with a second connecting pipe.

As a still further scheme of the utility model: one end of the second connecting pipe is fixedly connected with a water outlet valve, and the water outlet valve is fixedly installed at the top end of the other side of the rotating shaft box.

As a still further scheme of the utility model: the first piston assembly comprises an eccentric wheel, the outer wall of the eccentric wheel is rotatably connected with a connecting body, the top end of the connecting body is rotatably connected with a connecting arm, the top end of the connecting arm is rotatably connected with a piston rod, and the top end of the piston rod is fixedly connected with a sealing rubber pad.

As a still further scheme of the utility model: the first piston assembly, the second piston assembly, the third piston assembly, the fourth piston assembly and the fifth piston assembly are identical in structure and size, and five piston rods are slidably mounted in five piston sleeves respectively.

Compared with the prior art, the utility model provides a pump head with a multi-cylinder structure, which has the following beneficial effects:

1. this pump head of multi-cylinder body structure through pivot case structure when utmost point is with the lubricating oil cooling, through the rivers of inlet tube and drain pipe guide increase the cooling through pivot case to ensure this pump and keep a lower temperature at the operation in-process, thereby prolong the life of pump.

2. The pump head with the multi-cylinder structure adopts the five-cylinder structure and the eccentric wheel, the flow of the pump body is increased under the condition that the radial bearing capacity of the crankshaft is increased in a limited way, and the five-cylinder structure also determines that the pulse force of output water is reduced under the condition that the output water is not regulated by the pressure regulating valve.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the device has the advantages of simple structure and convenient operation.

Drawings

FIG. 1 is a schematic structural view of an internally assembled piston assembly of the present invention;

FIG. 2 is a schematic structural view of the integral assembly of the present invention;

FIG. 3 is a schematic view of the construction of an internally unassembled piston assembly of the present invention;

fig. 4 is a schematic structural view of the piston assembly of the present invention.

In the figure: 1. a pivot housing; 2. a top cover; 3. a water inlet pipe; 4. a first connecting pipe; 5. a water inlet valve; 6. a water outlet valve; 7. a second connecting pipe; 8. a water outlet pipe; 9. rotating the main shaft; 10. a water guide cavity; 11. mounting grooves; 12. a piston sleeve; 13. a cooling chamber; 14. a first piston assembly; 141. an eccentric wheel; 142. a linker; 143. a connecting arm; 144. a piston rod; 145. sealing the rubber pad; 15. a second piston assembly; 16. a third piston assembly; 17. a fourth piston assembly; 18. a fifth piston assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

A pump head with a multi-cylinder structure is disclosed, as shown in fig. 1-4, and comprises a rotating shaft box 1, a rotating main shaft 9 is rotatably installed inside the rotating shaft box 1, a first piston assembly 14, a second piston assembly 15, a third piston assembly 16, a fourth piston assembly 17 and a fifth piston assembly 18 are fixedly connected to the outer wall of the rotating main shaft 9 in sequence, a water inlet pipe 3 is arranged on one side of the rotating main shaft 9, and a water outlet pipe 8 is arranged on the other side of the rotating main shaft 9.

A top cover 2 is fixedly installed at the top end of the rotating shaft box 1, a water guide cavity 10 is formed in the top cover 2, an installation groove 11 is formed in the bottom end groove wall of the water guide cavity 10, a piston sleeve 12 is fixedly installed at the bottom end of the inner cavity of the installation groove 11, a cooling cavity 13 is formed at the bottom end of the inner cavity of the rotating shaft box 1, and a water inlet pipe 3, a water outlet pipe 8 and a rotating main shaft 9 are all arranged in the cooling cavity 13;

the cooling cavity 13 is used for storing lubricating oil for cooling and lubricating the rotating main shaft 9, and the water inlet pipe 3 and the water outlet pipe 8 are both arranged in the lubricating oil.

The both ends of inlet tube 3 all run through the box of pivot case 1 and outwards extend, and one of them extension end fixedly connected with of inlet tube 3 is connected with first connecting pipe 4, and another extension end and external water pipe fixed connection of inlet tube 3 for extract rivers.

One end of the first connecting pipe 4 is fixedly connected with a water inlet valve 5, the water inlet valve 5 is fixedly installed at the top end of one side of the rotary shaft box 1, the water inlet valve 5 is communicated with the water guide cavity 10, and the water inlet valve 5 is a one-way valve and is only used for water flow entering the water guide cavity 10 from the first connecting pipe 4.

The both ends of outlet pipe 8 all run through the box of pivot case 1 and outwards extend, and one of them extension end fixedly connected with second connecting pipe 7 of outlet pipe 8, another extension end and external water pipe fixed connection of outlet pipe 8 inferior to the emission of popular rivers.

One end of the second connecting pipe 7 is fixedly connected with a water outlet valve 6, the water outlet valve 6 is fixedly installed at the top end of the other side of the rotating shaft box 1, the water outlet valve 6 is communicated with the water guide cavity 10, and the water outlet valve 6 is a one-way valve and is used for water flow entering the second connecting pipe 7 from the water guide cavity 10.

The first piston assembly 14 comprises an eccentric wheel 141, a connecting body 142 is rotatably connected to the outer wall of the eccentric wheel 141, a connecting arm 143 is rotatably connected to the top end of the connecting body 142, a piston rod 144 is rotatably connected to the top end of the connecting arm 143, and a sealing rubber pad 145 is fixedly connected to the top end of the piston rod 144.

The first piston assembly 14, the second piston assembly 15, the third piston assembly 16, the fourth piston assembly 17 and the fifth piston assembly 18 are identical in structure and size, five piston rods 144 are respectively installed inside five piston sleeves 12 in a sliding mode, and sealing rubber gaskets 145 are used for sealing joints of the piston rods 144 and the piston sleeves 12.

When the eccentric 141 of the first piston assembly 14 is at the maximum stroke, i.e. the piston rod 144 moves to the topmost end, the minimum angle between the piston rod 144 of the second piston assembly 15 and the piston rod 144 of the first piston assembly 14 is forty degrees, the minimum angle between the piston rod 144 of the third piston assembly 16 and the piston rod 144 of the first piston assembly 14 is eighty degrees, the minimum angle between the piston rod 144 of the fourth piston assembly 17 and the piston rod 144 of the first piston assembly 14 is one hundred twenty degrees, and the minimum angle between the piston rod 144 of the fifth piston assembly 18 and the piston rod 144 of the first piston assembly 14 is one hundred sixty degrees.

The working principle is as follows:

the external motor drives the rotating main shaft 9 to rotate clockwise, the rotating main shaft 9 drives the first piston assembly 14, the second piston assembly 15, the third piston assembly 16, the fourth piston assembly 17 and the fifth piston assembly 18 to move synchronously, when the eccentric wheel 141 of the fifth piston assembly 18 is in the maximum stroke, the water inlet valve 5 is opened, and the water guide cavity 10 is filled with water; when the eccentric wheel 141 of the first piston assembly 14 is at the maximum stroke, the drain valve 6 is opened, and the water flow inside the water guide chamber 10 enters the second connection pipe 7.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a pump head that possess multi-cylinder fluid structure, includes pivot case (1), its characterized in that: the inside of pivot case (1) is rotated and is installed and rotate main shaft (9), the outer wall that rotates main shaft (9) is fixedly connected with first piston assembly (14), second piston assembly (15), third piston assembly (16), fourth piston assembly (17) and fifth piston assembly (18) in proper order, just one side of rotating main shaft (9) is provided with inlet tube (3), the opposite side of rotating main shaft (9) is provided with outlet pipe (8).

2. A pump head having a multi-cylinder fluid construction as claimed in claim 1, wherein: the utility model discloses a cooling water circulation system, including pivot case (1), top cap (2) are fixed to the top of pivot case (1), water guide chamber (10) have been seted up to the inside of top cap (2), mounting groove (11) have been seted up to the bottom cell wall in water guide chamber (10), the bottom fixed mounting of mounting groove (11) inner chamber has piston sleeve (12), the bottom of pivot case (1) inner chamber sets up to cooling chamber (13), inlet tube (3), outlet pipe (8) and rotation main shaft (9) all set up the inside in cooling chamber (13).

3. A pump head having a multi-cylinder fluid construction as claimed in claim 1, wherein: the two ends of the water inlet pipe (3) penetrate through the box body of the rotating shaft box (1) and extend outwards, and one of the extending ends of the water inlet pipe (3) is fixedly connected with a first connecting pipe (4).

4. A pump head having a multi-cylinder fluid construction as claimed in claim 3, wherein: one end of the first connecting pipe (4) is fixedly connected with a water inlet valve (5), and the water inlet valve (5) is fixedly installed at the top end of one side of the rotating shaft box (1).

5. A pump head having a multi-cylinder fluid construction as claimed in claim 1, wherein: the two ends of the water outlet pipe (8) penetrate through the box body of the rotating shaft box (1) and extend outwards, and one extending end of the water outlet pipe (8) is fixedly connected with a second connecting pipe (7).

6. A pump head having a multi-cylinder fluid construction as claimed in claim 5, wherein: one end of the second connecting pipe (7) is fixedly connected with a water outlet valve (6), and the water outlet valve (6) is fixedly installed at the top end of the other side of the rotating shaft box (1).

7. A pump head having a multi-cylinder fluid construction as claimed in claim 1, wherein: the first piston assembly (14) comprises an eccentric wheel (141), the outer wall of the eccentric wheel (141) is rotatably connected with a connecting body (142), the top end of the connecting body (142) is rotatably connected with a connecting arm (143), the top end of the connecting arm (143) is rotatably connected with a piston rod (144), and the top end of the piston rod (144) is fixedly connected with a sealing rubber pad (145).

8. A pump head having a multi-cylinder fluid construction as claimed in claim 7, wherein: the first piston assembly (14), the second piston assembly (15), the third piston assembly (16), the fourth piston assembly (17) and the fifth piston assembly (18) are identical in structure and size, and five piston rods (144) are respectively installed inside five piston sleeves (12) in a sliding mode.