Flexible gear pump

A flexible gear and flexible technology, applied in the field of hydraulic pumps, can solve the problems of large flow pulsation, large noise and large leakage, and achieve the effect of reducing leakage, large displacement and high pressure level

Pending Publication Date: 2018-03-27
ANHUI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the gear pumps in the prior art have disadvantages such as high noise, large

Method used

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Embodiment Construction

[0017] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0018] figure 1 It is a schematic diagram of the overall structure of the present invention. figure 2 It is a schematic diagram of the flexible internal gear structure. image 3 It is a schematic diagram of the flexible planetary gear structure.

[0019] Such as figure 1 As shown, the specific embodiment of the present invention includes: the power drives the central gear 5 to rotate through the transmission shaft, and the central gear 5 drives the flexible planetary gear 4 to move. The inner hollow of the flexible planetary gear 4 forms a closed space with the end covers on both sides of the pump. The flexible planetary gear 4, the pump casing 1, the central gear 5 and the end covers on both sides also form a closed space.

[0020] The distance between the approximately elliptical flexible internal gear 2 and th...

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Abstract

The invention provides a technical scheme of a flexible gear pump, which comprises a pump casing, a flexible internal gear, a flexible planetary gear, a central gear, a connecting key, and a distribution hole. The technical problem solved is: common pumps are divided into vane pumps, plunger pumps and gear pumps. Vane pumps and plunger pumps are complex in structure and expensive, while gear pumps are simple in structure, compact and low in price, so they are widely used. The range of application of the pump. The invention has the beneficial effects of simple structure, easy processing, easy installation and maintenance of the detachable structure, low cost, self-pressure sealing between teeth, reduced leakage, and symmetrical distribution to reduce lateral force. During operation, the flexible planetary gear deforms continuously and uniformly, reducing flow fluctuations, and has the advantages of large displacement and high pressure rating of the vane pump.

Description

technical field [0001] The invention relates to a hydraulic pump, in particular to the technical field of a flexible gear pump. Background technique [0002] In the prior art, common pumps are divided into vane pumps, plunger pumps, and gear pumps. Vane pumps and plunger pumps are complex in structure and expensive, while gear pumps are simple in structure, compact in structure and low in price, so they are widely used. However, the gear pump in the prior art has disadvantages such as high noise, large flow pulsation, and large leakage, which limit the application range of the gear pump. Contents of the invention [0003] In view of the above problems, the present invention provides a flexible gear pump. [0004] A flexible gear pump according to the present invention includes a pump casing, a flexible internal gear, a flexible planetary gear, a central gear, a connecting key, and a flow distribution hole. It is characterized in that: the flexible internal gear is detach...

Claims

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Application Information

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IPC IPC(8): F04C2/14F04C15/00
CPCF04C2/14F04C2/084
Inventor 马天兵陈南南吴晓东高飞彪
Owner ANHUI UNIV OF SCI & TECH
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