Channel switching device used in fluid pipe and air treatment equipment

A flow channel switching and fluid pipeline technology, applied in pipeline layout, valve devices, mechanical equipment, etc., can solve the problems that the filter cannot effectively limit the outlet wind speed, hidden dangers, and low air dust removal efficiency

CN108458130AActive Publication Date: 2018-08-28GUANGDONG MIDEA WHITE GOODS TECH INNOVATION CENT CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2018-08-28

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Abstract

The invention discloses a channel switching device used in a fluid pipe and air treatment equipment. The channel switching device comprises an inner pipe (1), an annular pipe chamber (6) is formed between the inner pipe and the fluid pipe, the fluid inlet end of the inner pipe is connected with an inner pipe end surface disc, the central blocking disc part (1b) blocks the fluid inlet of the innerpipe, the outer ring part of the inner pipe end surface disc covers the end surface at the fluid inlet end of the annular pipe chamber and is provided with a first annular chamber opening (1c) which is communicated with the annular pipe chamber, the pipe body outer wall at the fluid inlet end of the inner pipe is provided with a first communicating opening (1d) which is communicated with the annular pipe chamber; and a switching blocking sleeve (2) which comprises a sleeve part (2a) and a blocking sleeve end surface disc (2b), wherein the blocking sleeve end surface disc is provided with a central through hole, and the outer peripheral part of the blocking sleeve end surface disc is provided with a second annular chamber opening (2c). The outer peripheral wall of the sleeve part is provided with a second communicating opening (2d). The channel switching device has advantages of simple structure, effective realization of channel switching control in a narrow channel space, and easy accurate control of a rotating mode.
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Description

technical field

[0001] The present invention relates to air treatment equipment, in particular to a channel switching device used in a fluid pipeline, and furthermore, the present invention also relates to an air treatment equipment. Background technique

[0002] The problem of air pollution has become more and more prominent in today's society, seriously endangering people's health. In order to deal with the worsening air pollution problem, various air treatment equipment are widely used in homes, office buildings, hospitals, schools, etc., among which the fresh air device It is a kind of air treatment equipment with wide application and strong practicability. At present, the products in the fresh air industry are mainly central fresh air systems. In addition, wall-mounted, cabinet-type fresh air fans, and through-wall fresh air fans are also widely used.

[0003] The central fresh air system includes a main unit installed on the top of the room, an air inlet pipe and an a...

Examples

Embodiment Construction

[0077] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0078] In the present invention, unless stated to the contrary, the used orientation words such as "up, down, top, bottom" generally refer to the directions shown in the drawings or refer to the vertical, perpendicular or gravitational directions The terms used to describe the mutual positional relationship of the various components mentioned above. "Inner and outer" refer to the inner and outer sides of a lumen, an inner cavity, or indoors and outdoors.

[0079] Such as Figure 8 , Figure 9 As shown, the present invention firstly provides a flow channel switching device used in fluid pipelines, including:

[0080] Inner tube 1, see Figure 8 , the inner t...