JP2015045253A5

JP2015045253A5 -

Info

Publication number: JP2015045253A5
Application number: JP2013176311A
Authority: JP
Filing date: 2013-08-28
Publication date: 2016-03-17
Anticipated expiration: 2033-08-28

Description

請求項１に記載の発明は、内部に回転する羽根が収められ、底面および側面を有し、前記側面に排気口が設けられたケーシング本体と、吸気口が設けられ、前記ケーシング本体の前記底面と前記羽根を挟んで対向するように配置された金属製のカバーとを備え、前記ケーシング本体は、前記側面に設けられた突起および該突起から周方向に離間したガイド部を有し、前記カバーは、当該カバーの縁から前記回転する羽の軸方向に延長する根元部および該根元部から周方向に延長し、先端が束縛されていない爪部を有し、前記根元部が前記ガイド部に係合すると共に前記爪部が前記突起に軸方向において引っ掛かった状態で係合することで前記ケーシング本体に前記カバーが装着されていることを特徴とする送風機である。 According to the first aspect of the present invention, there is provided a casing main body in which a rotating blade is housed, having a bottom surface and a side surface, and an exhaust port is provided on the side surface, and an intake port, and the bottom surface of the casing body And a metal cover disposed so as to be opposed to each other with the blade interposed therebetween, and the casing body has a protrusion provided on the side surface and a guide portion spaced circumferentially from the protrusion, and the cover Has a root portion extending in the axial direction of the rotating wing from the edge of the cover, and a claw portion extending in the circumferential direction from the root portion, the tip of which is not constrained, and the root portion is connected to the guide portion. The blower is characterized in that the cover is attached to the casing body by engaging and engaging the claw portion with the projection hooked in the axial direction .

請求項３に記載の発明は、請求項１または２に記載の発明において、前記突起は、前記カバーから離れるにしたがって上がる形状の斜面を有していることを特徴とする。 According to a third aspect of the present invention, in the first or second aspect of the present invention, the projection has a slope having a shape that rises with increasing distance from the cover .

請求項４に記載の発明は、請求項３に記載の発明において、前記爪部の軸中心側の面は、前記斜面に沿った方向に傾斜していることを特徴とする。 According to a fourth aspect of the present invention, in the third aspect of the present invention, the axially central surface of the claw portion is inclined in a direction along the inclined surface.

Claims

A casing main body in which a rotating blade is housed, has a bottom surface and a side surface, and an exhaust port is provided on the side surface.
An air inlet, provided with a metal cover disposed so as to face the bottom surface of the casing main body with the blade interposed therebetween,
The casing body has a protrusion provided on the side surface and a guide portion spaced circumferentially from the protrusion,
The cover has a root portion extending in the axial direction of the rotating wing from an edge of the cover and a claw portion extending in the circumferential direction from the root portion, the tip of which is not constrained,
Blower, characterized in that the cover to the casing body by the pawl portion is engaged in a state caught in the axial direction in the protrusion is fitted with the root portion is engaged with the guide portion.

The guide portion has a guide groove extending in the axial direction,
The blower according to claim 1, wherein the root portion is fitted into the guide groove.

The blower according to claim 1 , wherein the protrusion has a slope having a shape that rises with distance from the cover .

The blower according to claim 3, wherein a surface of the claw portion on the axial center side is inclined in a direction along the inclined surface.

The blower according to any one of claims 1 to 4, wherein the root portion is provided with a cut extending in an axial direction.

The blower according to any one of claims 1 to 5, further comprising an engagement structure different from a structure using the claw portion as a structure for fixing the cover to the casing body.