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Fuel pump

A technology for fuel pumps and oil pumps, applied to pump components, variable displacement pump components, liquid fuel engines, etc., can solve problems such as poor stability, difficult equipment, poor coaxiality, etc., and achieve good positioning performance and simple assembly , Dimensionally stable effect

Inactive Publication Date: 2014-03-26
CHANGZHOU WANTAI MOLD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the deficiencies of the existing pump body, such as the poor coaxiality caused by the split stepped structure between the outer shell and the inner sleeve, difficult equipment, poor stability and easy misalignment, the present invention provides a fuel pump

Method used

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  • Fuel pump

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Embodiment Construction

[0009] like figure 1 It is a schematic diagram of the structure of the present invention, a fuel pump, including a fuel pump body 1 and a casing 2, the fuel pump body 1 is covered with a casing 2, and the casing 2 is a stainless steel pipe that is seamlessly connected with the fuel pump body 1. During installation, the housing 2 is directly matched with the end cover of the oil pump body 1 for positioning support, with high coaxiality, stable size, good positioning performance, simple assembly and cost saving.

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Abstract

The invention relates to the technical field of oil pumps, in particular to a fuel pump. The fuel pump comprises a fuel pump body and an outer shell. The fuel pump body is sleeved with the outer shell, and the outer shell is a stainless steel pipe matched with the fuel pump in a seamless connection mode. The defect that the coaxiality is poor because a split stepped structure is adopted between the pump body and the outer shell as well as between the pump body and an inner sleeve is overcome, and the fuel pump is stable in size, good in positioning performance and easy to assemble and saves cost.

Description

technical field [0001] The invention relates to the technical field of oil pumps, in particular to a fuel pump. Background technique [0002] The outer casing and the inner casing of the existing fuel pump adopt a split stepped structure. This structure is difficult to achieve for general processing that requires high precision parts, and the coaxiality of multiple fits and stepped structures is relatively poor, making equipment difficult, poor stability and easy to misalign. Contents of the invention [0003] In order to overcome the deficiencies of the existing pump body, such as the poor coaxiality caused by the split stepped structure between the outer shell and the inner sleeve, difficult equipment, poor stability and easy misalignment, the present invention provides a fuel pump . [0004] The technical solution adopted by the present invention to solve the technical problem is: a fuel pump, which includes a fuel pump body and a casing. [0005] The beneficial effe...

Claims

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Application Information

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IPC IPC(8): F04B53/00F04B53/16
Inventor 周天下
Owner CHANGZHOU WANTAI MOLD