Bidirectional lubricating pump

A technology for lubricating pumps and pump bodies, applied in the mechanical field, can solve the problems of inability to meet equipment requirements, high production costs, and small application fields, and achieve the effects of light weight, low production costs, and compact structure

Inactive Publication Date: 2014-02-05
TAIZHOU GREAT WALL MACHINE MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the lubricating pump can run in both directions, it still has problems such as complex structure, high manufacturing cost, small application field, and inability to meet all equipment requirements.

Method used

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Examples

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Embodiment Construction

[0021] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0022] Such as Figure 1 to Figure 3 As shown, the bidirectional lubricating pump includes a pump body 1 , a reversing bottom plate 2 , a pump cover 5 , a rotating shaft 6 , an inner rotor 3 and an outer rotor 4 .

[0023] Specifically, the pump body 1 has a cylindrical installation groove 1c. The reversing bottom plate 2 is circular and is located in the installation groove 1c of the pump body 1. One end surface of the reversing bottom plate 2 is against the bottom surface of the installation groove 1c; the reversing bottom plate 2 and the pump body 1 are tightly fitted. The reversing bottom plate 2 is thereby fixed on the pump body 1 .

[0024] The outer edge of the reversing bottom plate 2 has an oil inlet passage 21 ...

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Abstract

The invention provides a bidirectional lubricating pump, which belongs to the technical field of machinery and is used for solving the problems of complex structure, high production and manufacturing cost and small application area of the traditional bidirectional lubricating pump. The bidirectional lubricating pump comprises a pump body with an oil inlet and an oil outlet; a reversing bottom plate with an oil inlet channel communicated with the oil inlet and an oil outlet channel communicated with the oil outlet is fixed in the pump body; two circular arc-shaped reversing grooves which are axisymmetrically distributed are arranged on the reversing bottom plate; an oil sucking and pressing mechanism capable of conveying a medium in the oil inlet channel to one end toward the other end of a reversing channel is arranged between the reversing bottom plate and the pump body; and a communication reversing mechanism capable of always communicating the oil outlet channel with the other end of the reversing groove conveying the medium is arranged in the reversing bottom plate. The bidirectional lubricating pump has the advantages of compact structure, small overall size, light weight, relatively large oil suction vacuum degree, large oil pumping quantity, high oil supply uniformity, low production cost and stable performance.

Description

technical field [0001] The invention belongs to the technical field of machinery and relates to a pump, in particular to a two-way lubricating pump. Background technique [0002] The oil pump is one of the important components in the lubrication system. It can be divided into oil injection pump, self-priming oil pump, submersible oil pump and oil pump according to the type. Among them, the oil pump is a device that can force the oil from the oil pan to the moving parts of the engine. Oil pumps can be divided into gear type and rotor type oil pumps. The rotor oil pump consists of a housing, an inner rotor, an outer rotor and a pump cover. The inner rotor is fixed on the rotor shaft, and the eccentric distance between the centers of the inner rotor and the outer rotor is e, and the inner rotor drives the outer rotor to rotate together in the same direction. Generally speaking, the inner rotor has 4 convex teeth, and the outer rotor has 5 concave teeth, so that the inner and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16N13/00
Inventor 朱岳斌赵青虎
Owner TAIZHOU GREAT WALL MACHINE MFG
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