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Carbon dioxide gas compressor screw rod oil pump capable of removing excess gas automatically

A technology of gas compressor and carbon dioxide, which is applied in the field of compressor oil pump, can solve the problems of short life, low efficiency of oil pump, poor sealing, etc., and achieve the effect of small vibration, long service life and good suction performance

Inactive Publication Date: 2018-07-17
SHAANXI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a carbon dioxide gas compressor screw oil pump that can automatically remove excess gas, which solves the problems of low working efficiency, short life and poor sealing performance of the oil pump in the prior art

Method used

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  • Carbon dioxide gas compressor screw rod oil pump capable of removing excess gas automatically
  • Carbon dioxide gas compressor screw rod oil pump capable of removing excess gas automatically
  • Carbon dioxide gas compressor screw rod oil pump capable of removing excess gas automatically

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Embodiment Construction

[0026] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0027] The carbon dioxide gas compressor screw oil pump capable of automatically removing excess gas in the present invention has the following structure: Figure 1 to Figure 6 As shown, including the pump casing 1, the two ends of the pump casing 1 are respectively provided with an end cover 7 and a pump body back cover 25, and the end cover 7 and the pump body back cover 25 are connected with the pump casing 1 by bolts 4 and nuts 5 that cooperate with each other. , a driving screw 3 and two driven screws 2 are arranged in the middle position inside the pump casing 1. The driven screw 2 is arranged on both sides of the driving screw 3. The driving screw 3 and the driven screw 2 are both bidirectional screw rods and threaded Symmetrical distribution, the three screws are arranged horizontally and meshed symmetrically with each other, the tail e...

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Abstract

The invention discloses a carbon dioxide gas compressor screw rod oil pump capable of removing excess gas automatically. The carbon dioxide gas compressor screw rod oil pump comprises a pump shell, two ends of the pump shell are provided with an end cover and a pump body rear cover correspondingly, the end cover and the pump body rear cover are connected with the pump shell through bolts and nutswhich are matched with each other, the middle position of the inner portion of the pump shell is provided with one driving screw rod and two driven screw rods, the driven screw rods are arranged on two sides of the driving screw rod, the driving screw rod and the driven screw rods are all double-direction screw rods with threads being distributed symmetrically, the three screw rods are arranged horizontally and are symmetrically engaged with one another, the top of the pump shell is provided with a safety valve, the safety valve comprises a pressure adjusting screw rod, a spring seat and a valve core which are connected in sequence, one end of the pressure adjusting screw rod is fixed to a valve cover through a locking nut, the valve cover is connected with the pump shell through a third bolt, the other end of the pressure adjusting screw rod is connected with the spring seat, the other end of the spring seat is connected with the valve core, the tail end of the valve core is providedwith a valve rear cover, the valve rear cover is connected with the pump shell through the third bolt, and the pump shell is provided with a first screw plug and second screw plugs.

Description

technical field [0001] The invention belongs to the technical field of compressor oil pumps, and relates to a carbon dioxide gas compressor screw oil pump capable of automatically removing excess gas. Background technique [0002] As a part of the carbon dioxide compressor, the oil pump converts low-pressure oil into high-pressure oil, which provides oil delivery power for the compressor and meets the lubrication and heat dissipation requirements of the compressor. [0003] The screw in the traditional compressor screw oil pump is a single transmission movement, and its work efficiency is low, and it will be difficult to discharge excess gas inhaled. Long-term work will cause the valve core to absorb too much medium, which will reduce the life of the safety valve and deteriorate the sealing performance. This affects the operation of the oil pump. In addition, the efficiency of the pump operation should be coordinated with the safety valve. SUMMARY OF THE INVENTION [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04C2/16F04C14/24F04C15/00F04C29/02
CPCF04C2/165F04C14/24F04C15/0034F04C29/025
Inventor 栾飞刘晓晨刘红
Owner SHAANXI UNIV OF SCI & TECH
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