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Double-end air suction assembly

A technology of components and suction fans, which is applied to pump elements, parts of pumping devices for elastic fluids, non-variable-capacity pumps, etc. problems, to achieve the effect of good safety

Active Publication Date: 2013-11-27
四会市鸿基电器有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this kind of fan also has the following disadvantages: in order to avoid bulkiness, a smaller diameter base is used, so the size of the turbo fan is limited. In order to ensure sufficient air output, the speed of the turbo fan is higher, generally reaching every Hundreds to thousands of revolutions per second, resulting in a lot of noise, which is difficult to eradicate; in addition, because the diameter of the turbo fan is too small, although its speed is high, the air output is still not comparable to that of traditional fans, and the blowing effect is not good.

Method used

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Embodiment 1）

[0010] This embodiment is a double-head suction assembly, see figure 1 As shown, it includes a housing 11 and a suction fan 12 arranged in the housing; its structural feature is that the housing is also provided with a first air duct 13 and a second air duct 14; the middle of the housing is provided with an annular protrusion , the annular protruding portion is provided with an air inlet passage, the entrance of the air inlet passage is provided with a mesh plate 15 as an air inlet hole, the left end of the housing is provided with a first air passage outlet 131, and the right end of the housing is provided with a first air passage outlet 131. There is a second air duct outlet 141 .

[0011] In this embodiment, the suction fan includes a double-head motor 121 and two suction fan wheels 122. When the double-head motor rotates, the air enters from the mesh plate in the middle of the housing, passes through a corresponding suction fan wheel, and enters the first wind turbine. Ro...

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Abstract

The invention discloses a double-end air suction assembly which comprises a casing and an air suction fan arranged in the casing. The double-end air suction assembly is characterized in that a first air way and a second air way are further arranged in the casing; an annular protruding portion is arranged on the middle portion of the casing, an air inlet channel is arranged in the annular protruding portion, a mesh plate serving as an air inlet hole is arranged at the position of an inlet of the air inlet channel, a first air way outlet is arranged at the left end of the casing, and a second air way outlet is arranged at the right end of the casing. The double-end air suction assembly can discharge air bidirectionally; air is sucked from the position of the mesh plate with small hole diameter and discharged from a small external narrow air outlet hole by arranging fan blades insides, fingers of children cannot be inserted into the assembly, and therefore the double-end air suction assembly has good safety.

Description

technical field [0001] The invention belongs to the technical field of electric fan structure design, and in particular relates to a double-head air suction assembly. Background technique [0002] The current commercially available bladeless safety fan includes a base and an annular air outlet mask arranged on the base, and the base is provided with a suction assembly mainly consisting of a turbo fan; the biggest advantage of this fan is that it eliminates the traditional electric The fan blades used by the fan are extremely safe for both adults and children. However, this kind of fan also has the following disadvantages: in order to avoid bulkiness and bloat, the base with a smaller diameter is used, so the size of the turbo fan is limited. Hundreds to thousands of revolutions per second, resulting in a lot of noise, which is difficult to eradicate; in addition, because the diameter of the turbo fan is too small, although its speed is high, the air volume is still not ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/00F04D25/08
Inventor 胡妍
Owner 四会市鸿基电器有限公司