JP2017027838A5

JP2017027838A5 -

Info

Publication number: JP2017027838A5
Application number: JP2015146689A
Authority: JP
Filing date: 2015-07-24
Publication date: 2018-07-26
Anticipated expiration: 2035-07-24

Description

本発明に係るカバーは、光源部と光源部の周囲に設けられた環状の周部とを有する本体部に、光源部を覆った状態で取り付けられるカバーであって、一つの部品で構成され、カバーの最大外径より小さい径で環状に形成された、周部に取り付けられるカバー取付部と、カバーの外周面部のうち、外周面部からカバー取付部を除いた部分の最大外径をなすカバー外周部とカバー取付部との間に形成された環状の凹部とを備えた。 The cover according to the present invention is a cover that is attached to a main body having a light source part and an annular peripheral part provided around the light source part in a state of covering the light source part, and is composed of one part, The outer periphery of the cover, which is formed in an annular shape with a diameter smaller than the maximum outer diameter of the cover, and the outer peripheral surface of the cover, which has the maximum outer diameter of the outer peripheral surface portion excluding the cover mounting portion. with an annular recess formed between the parts and cover attachment portion.

Claims

A cover attached to the main body having a light source and an annular peripheral portion provided around the light source in a state of covering the light source;
Consists of one part,
A cover mounting portion that is formed in an annular shape with a diameter smaller than the maximum outer diameter of the cover, and is attached to the peripheral portion;
Of the outer peripheral surface of the cover, the cover having an annular recess formed between the cover outer peripheral portion from the outer peripheral surface forms the maximum outer diameter of the portion except for the cover mounting portion and the front Symbol cover mounting portion .

Of the outer peripheral surface portion,
The cover according to claim 1, wherein the region where the concave portion is not formed is configured by a continuous curved surface.

Of the outer peripheral surface portion,
The cover according to claim 2, wherein the region where the concave portion is not formed is configured by a continuous spherical surface.

The recess is
A first inclined portion that is inclined from the top side of the cover facing the cover mounting portion toward the bottom portion, and a second inclined portion that is inclined from the bottom portion to the outer peripheral surface portion,
A boundary between the outer peripheral surface portion and the first inclined portion, a boundary between the first inclined portion and the bottom portion, a boundary between the bottom portion and the second inclined portion, the second inclined portion, and the outer peripheral surface portion; The cover according to claim 1, wherein the boundary is a continuous curved surface.

The first inclined portion is
The cover according to claim 4, further comprising a curved surface portion protruding toward the cover attachment portion.

The axial width toward the top from the center of the cover mounting portion in the first inclined portion, the cover according to the second inclined portion axially wider claim 4 or claim 5 than the width of the.

The cover according to any one of claims 1 to 6, wherein a thickness of a portion where the concave portion is formed is thinner than a thickness of a portion where the concave portion is not formed.

The light source unit is
A light source circuit board, and a light source element mounted on a mounting portion that is a mounting surface of the light source circuit board,
The recess is
The cover according to any one of claims 1 to 7, wherein the cover is formed on the outer peripheral surface portion between an upper end of the light source element and the cover mounting portion.

A main body having a light source arrangement part in which the light source part is arranged, and an annular peripheral part provided in a direction opposite to the light emission direction of the light source part from the periphery of the light source arrangement part;
A translucent cover that is formed of a single component and is attached to the main body in a state of covering the light source unit, wherein an opening having a diameter smaller than the outer diameter of the cover is formed to cover the peripheral part. A cover mounting portion that is an edge portion of the opening in a state where the cover is attached to the outside of the peripheral portion,
The cover is
A lamp comprising an annular recess formed between a cover outer peripheral portion having a maximum outer diameter of a portion of the outer peripheral surface portion excluding the mounting portion of the cover from the outer peripheral surface portion, and the cover mounting portion.

The peripheral portion is
An annular peripheral wall provided in the direction opposite to the light emission direction from the periphery of the light source arrangement part;
An annular bottom surface protruding from the base of the peripheral wall,
It is a mounting convex portion protruding from at least a part of the peripheral wall portion, and includes a mounting convex portion having a facing portion facing the bottom surface portion,
The cover mounting portion is
The lamp according to claim 9, further comprising a cover convex portion protruding inward from an edge portion of the opening, the cover convex portion being stopped between the facing portion and the bottom surface portion.

The peripheral portion is
A groove part in a part of the bottom part,
The cover is
The lamp according to claim 10, wherein the lamp has an attachment claw portion provided in an opposite direction to the light emitting direction from the cover convex portion, the attachment claw portion being inserted into the groove portion.

The lighting device provided with the lamp of any one of Claim 9 to 11, and the lighting fixture to which the said lamp is attached.