Sliding valve vacuum pump

A slide valve vacuum pump and vacuum pumping technology, which is applied to pump elements, parts of pumping devices for elastic fluids, and parts of rotary piston type/swing piston type pumps, etc., can solve the problem of oil storage without dirty oil Installation and discharge process are inconvenient, easy to cause pollution and other problems, to achieve the effect of reducing pollution, good environmental protection and reducing oil consumption

Pending Publication Date: 2018-09-18
ZHEJIANG SHENGONG VACUUM EQUIP MAKE
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

At present, the inner cavity of the auxiliary oil tank of the slide valve vacuum pump in the prior art is set as a large through cavity, which is easy to allow external rainwater to enter the cavity and pollute the oil in the auxiliary oil tank, or the oil in the auxiliary oil tank is mixed into

Method used

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  • Sliding valve vacuum pump
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Examples

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Example Embodiment

[0032] The present invention will be further described in detail below in conjunction with the drawings.

[0033] See figure 1 As shown, the slide valve vacuum pump includes a pump body 1 for vacuum pumping and an oil sump tank 2 connected to the oil and gas discharge port 3 of the pump body 1. An oil and gas separator 4 is provided above the oil and gas discharge port 3 of the pump body 1. The exhaust port 11 of the tank 2 is connected with an auxiliary oil tank 5, which is formed by splicing the upper case 17 and the lower case 18 through a flange 16. The inner cavity of the auxiliary oil tank 5 passes through the upper partition 6 and the lower partition. The plate 7 is divided into three independently sealed cavities, an upper cavity 8, a middle cavity 9, and a lower cavity 10. Specifically, the joint of the upper case 17 and the lower case 18 of the present invention is located on the upper cavity 8. The specific connection structure between the flange 16 and the upper box b...

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Abstract

The invention belongs to the technical field of sliding valve vacuum pumps, and discloses a sliding valve vacuum pump. The sliding valve vacuum pump comprises a pump body for vacuum gas-extraction, and an oil sump tank communicating with an oil-gas discharging opening of the pump body; and an oil-gas separator is arranged above the oil-gas discharging opening of the pump body, an exhaust opening of the oil sump tank communicates with an auxiliary oil tank, and an inner cavity of the auxiliary oil tank is divided into three independently-sealed cavity bodies, namely the upper cavity body, the middle cavity body and the lower cavity body, through an upper partition plate and a lower partition plate. The sliding valve vacuum pump has the following advantages that exhausted gas only contains asmall amount of oil liquid, and pollution of oil fume and oil mist to the environment is effectively reduced.

Description

technical field [0001] The invention relates to the field of vacuum pumps, in particular to a slide valve vacuum pump. Background technique [0002] The slide valve vacuum pump is a variable-capacity gas transmission pump. It uses the slide valve mechanism to change the volume of the suction chamber and is one of the vacuum pumping equipment for pumping out general gas or gas containing a small amount of condensable steam. The speed is very sensitive to dust and water vapor contained in the extracted gas. The slide valve vacuum pump is widely used in aerospace, biomedicine, vacuum metallurgy, vacuum welding, vacuum heat treatment, vacuum drying, pharmaceutical chemical industry, optoelectronics, solar photovoltaic and other industries. Vacuum pumps can be divided into four categories according to vacuum degree: low vacuum, medium vacuum, high vacuum, and ultra-high vacuum; in the medium and high vacuum series, slide valve vacuum pumps can be used alone, or as Roots vacuum pu...

Claims

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Application Information

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IPC IPC(8): F04C29/12F04C29/00F04C29/02
CPCF04C29/00F04C29/0092F04C29/026F04C29/124Y02P20/10
Inventor 王德顺王灵恩
Owner ZHEJIANG SHENGONG VACUUM EQUIP MAKE
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