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Ventilation shell and mixed air filter screen

A shell and vent technology, which is applied in the direction of dispersed particle filtration, transportation and packaging, railway car body parts, etc., can solve the problems of complex structure of the ventilated shell, unfavorable assembly and disassembly of filter elements, and increased manufacturing costs, and achieves simple structure and convenient material acquisition , to create simple effects

Pending Publication Date: 2022-03-11
SHANGHAI COOL AIR TRANSPORT REFRIGERATION EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When using this kind of ventilation shell to fix the filter element, whether it is to remove the filter element for replacement or cleaning, or to reinstall the filter element, it is necessary to perform two opening and closing actions, one is the opening and closing of the lock, and the other is the ventilation shell itself The opening and closing of the filter is cumbersome, which is not conducive to quick and easy assembly and disassembly of the filter element
At the same time, the above-mentioned structural form of the ventilating shell causes the structure of the ventilating shell itself to be relatively complicated, and also increases the manufacturing cost.

Method used

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  • Ventilation shell and mixed air filter screen
  • Ventilation shell and mixed air filter screen
  • Ventilation shell and mixed air filter screen

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Embodiment Construction

[0031] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many other different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0032] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for pur...

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PUM

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Abstract

The ventilation shell comprises a shell body and an elastic buckling piece, the shell body is provided with a plurality of ventilation openings, a mounting cavity matched with a filter element is formed in the shell body, the mounting cavity is communicated with the ventilation openings, and the elastic buckling piece is arranged in the mounting cavity. The shell body is folded in the circumferential direction of the installation cavity to form a limiting notch, and the elastic buckling piece can contract and enable the outer edge of the elastic buckling piece to be clamped into the limiting notch. According to the ventilation shell, the assembling and disassembling process of the filter element can be greatly simplified, meanwhile, compared with the prior art, the ventilation shell is simpler in structure, material obtaining is convenient, manufacturing is easy, and the cost input of the ventilation shell can be effectively controlled.

Description

technical field [0001] The invention relates to the technical field of air conditioning units, in particular to a ventilation shell and a mixing air filter. Background technique [0002] Rail transit train refers to a type of vehicle running on rails. Its operating environment is worse than that of cars, and its running time is generally longer than that of cars. Therefore, in order to ensure the air quality inside the vehicle, it is used on rail transit trains Air conditioning units require special settings. For example, it is often necessary to add an air purification device to the front end of the evaporator in the air conditioning unit to filter impurities and dust in the air. This air purification device is generally a mixed air filter. [0003] The hybrid air filter is composed of a ventilating casing and a filter element arranged inside the ventilation casing. The filter element performs the function of filtering impurities and dust, and the ventilation casing plays t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B61D27/00B01D46/10B01D46/88
CPCB61D27/0018B01D46/10
Inventor 黄俊飞杨小波
Owner SHANGHAI COOL AIR TRANSPORT REFRIGERATION EQUIP
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