Pump body assembly, fluid machine and heat exchange equipment

A component and pump body technology, applied in mechanical equipment, pump components, liquid fuel engines, etc., can solve the problems of easy eccentric rotation of the piston sleeve, affecting the working efficiency of the pump body assembly, etc., to improve the operational reliability and performance. Effect

Pending Publication Date: 2018-11-13
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The main purpose of the present invention is to provide a pump body assembly, fluid machinery and heat exchange equipment to solve the problem in the prior art that the piston sleeve of the pump body assembly is prone to eccentric rotation and affects the working efficiency of the pump body assembly

Method used

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  • Pump body assembly, fluid machine and heat exchange equipment
  • Pump body assembly, fluid machine and heat exchange equipment
  • Pump body assembly, fluid machine and heat exchange equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] Such as Figure 1 to Figure 4 As shown, the pump body assembly includes an upper flange 11, an upper wear-reducing ring 70, a cylinder 20 and a piston assembly. Wherein, the upper wear reducing ring 70 is located in the cylinder 20 , and the upper flange 11 is located above the cylinder 20 . The piston assembly is arranged in the cylinder 20, the piston assembly includes a piston sleeve 40 and a piston 50 slidingly arranged in the piston sleeve 40, the upper wear-reducing ring 70 has a central hole, and the upper end surface of the piston sleeve 40 has a first extension 41, the first The extension part 41 protrudes into the center hole of the upper wear-reducing ring 70 and is limitedly fitted with the lower end surface of the upper flange 11 to prevent radial displacement of the piston sleeve 40 relative to the upper flange 11 .

[0066] Applying the technical solution of this embodiment, during the operation of the pump body assembly, the first extension 41 of the pi...

Embodiment 2

[0081] The difference between the pump body assembly in the second embodiment and the first embodiment is that the structures of the upper flange 11 and the lower flange 12 are different.

[0082] Such as Figure 5 to Figure 8 As shown, the lower end surface of the upper flange 11 has a limiting portion 112 extending toward the piston sleeve 40, and the first extension portion 41 and the limiting portion 112 limit the stop to prevent the piston sleeve 40 from radially occurring relative to the upper flange 11. displacement in the direction. Specifically, the side surfaces of the limiting portion 112 and the side surfaces of the first extension portion 41 can be limitedly fitted to prevent radial displacement between the two, thereby preventing radial displacement of the piston sleeve 40 relative to the upper flange 11. , to ensure the stable operation of the piston sleeve 40, and to improve the operational reliability and working efficiency of the pump body components.

[00...

Embodiment 3

[0088] The difference between the pump body assembly in the third embodiment and the second embodiment is that the structures of the structural parts and the piston sleeve 40 are different.

[0089] Such as Figure 9 to Figure 13As shown, the pump body assembly also includes a structural member located below the cylinder 20. The upper end surface of the structural member has an extension 80 and is limitedly fitted with the piston sleeve 40 through the extension 80 to prevent the piston sleeve 40 from radially occurring relative to the structural member. displacement in the direction. Wherein, the structural member includes a lower flange 12 and a lower limiting plate 13 , the lower limiting plate 13 is located between the cylinder 20 and the lower flange 12 , and the extension 80 is arranged on the upper surface of the lower flange 12 . Specifically, the extension portion 80 on the lower flange 12 acts as a limit stop on the lower end of the piston sleeve 40 to prevent the lo...

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PUM

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Abstract

The invention provides a pump body assembly, a fluid machine and heat exchange equipment. The pump body assembly comprises an upper flange, an upper wearing ring, an air cylinder and a piston assembly, wherein the upper wearing ring is positioned in the air cylinder, and the upper flange is positioned above the air cylinder; the piston assembly is arranged in the air cylinder and comprises a piston sleeve and a piston slidably disposed within the piston sleeve, the upper wearing ring is provided with a central hole, and the upper end face of the piston sleeve is provided with a first extendingpart extending into the central hole of the upper wearing ring and in limiting fit with the lower end face of the upper flange to prevent radial displacement of the piston sleeve relative to the upper flange. The pump body assembly effectively solves the problem that a piston sleeve of a pump body assembly in the prior art is prone to generate eccentric rotation and affects the working efficiencyof the pump body assembly.

Description

technical field [0001] The invention relates to the technical field of pump body components, in particular to a pump body component, fluid machinery and heat exchange equipment. Background technique [0002] At present, during the operation of the pump body assembly, the piston sleeve is prone to eccentricity and tilt rotation, which causes the piston sleeve to easily rub against the cylinder and the piston, seriously affecting the working efficiency and performance of the pump body assembly. Contents of the invention [0003] The main purpose of the present invention is to provide a pump body assembly, fluid machinery and heat exchange equipment to solve the problem in the prior art that the piston sleeve of the pump body assembly is prone to eccentric rotation and affects the working efficiency of the pump body assembly. [0004] In order to achieve the above object, according to one aspect of the present invention, a pump body assembly is provided, including: an upper f...

Claims

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Application Information

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IPC IPC(8): F04C18/00F04C29/00
CPCF04C18/00F04C29/00F04C2240/80F04C2240/60F04C2240/20F04C2240/10
Inventor 徐嘉杜忠诚李直杨森梁社兵张荣婷史正良张金圈
Owner GREE ELECTRIC APPLIANCES INC
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