Attachment structure for housing

Patent metadata

Field	Value
Publication number	US-9865945-B2
Application number	US-201615297552-A
Country	US
Kind code	B2
Filing date	Oct 19, 2016
Priority date	Oct 28, 2015
Publication date	Jan 9, 2018
Grant date	Jan 9, 2018

Abstract

An attachment structure for attaching a recess of a housing to a DIN rail includes first and second movable strips. The first movable strip extends continuously from an operable portion and being movable along a surface of the housing in a first direction toward the recess and in a second direction opposite from the first direction. A first claw of the first movable strip and a second claw of the second movable strip move toward the DIN rail in accordance with a movement of the first movable strip in the first direction and engage ledges of the DIN rail. A koma converts the movement of the first movable strip in the first or second direction to a movement of the second movable strip in a direction opposite from the movement direction of the first movable strip.

First claim

What is claimed is:

1. An attachment structure for attaching a housing of a device to a DIN rail by fitting a recess provided on a surface of the housing to the DIN rail, the attachment structure comprising:
an operable portion operable by an operator;
a first movable strip extending continuously from the operable portion and being movable along the surface of the housing in a first direction toward the recess and in a second direction opposite from the first direction, the first movable strip including a first claw that moves toward the DIN rail in accordance with a movement of the first movable strip in the first direction and engages a ledge of the DIN rail located adjacent to one of two edges of the recess;
a second movable strip including a second claw that moves toward the DIN rail in accordance with the movement of the first movable strip in the first direction and engages another ledge of the DIN rail located adjacent to another of the two edges of the recess; and
a koma converting the movement of the first movable strip in the first direction to a movement of the second movable strip in the second direction and converting a movement of the first movable strip in the second direction to a movement of the second movable strip in the first direction;
wherein the koma is rotatable in a positive direction in accordance with the movement of the first movable strip in the first direction, and rotatable in a negative direction in accordance with the movement of the first movable strip in the second direction.

2. The attachment structure according to claim 1 , wherein
the koma is linked with the first movable strip by a first link portion and the second movable strip by a second link portion, the first link portion and the second link portion being located on opposite sides of a reference axis extending through a rotational center of the koma along a direction of the movement of the first movable strip.

3. The attachment structure according to claim 2 , wherein
the first claw is disposed on the first movable strip on an opposite side of the recess from the operable portion,
the second movable strip is located at a predetermined position between the operable portion and the recess,
the koma is disposed to rotate at a predetermined position relative to the housing,
the koma is linked with the first movable strip by the first link portion that is located at a position away from the rotational center by a first distance, and
the koma is linked with the second movable strip by the second link portion that is located at a position away from the rotational center by a second distance on an opposite side of the reference axis from the first link portion.

4. The attachment structure according to claim 2 , wherein
the first claw is disposed on the first movable strip between the operable portion and the recess,
the second movable strip is located on an opposite side of the recess from the operable portion,
the koma is disposed to rotate at a predetermined position relative to the housing,
the koma is linked with the first movable strip by the first link portion that is located at a position away from the rotational center by a first distance, and
the koma is linked with the second movable strip by the second link portion that is located at a position away from the rotational center by a second distance on an opposite side of the reference axis from the first link portion.

5. The attachment structure according to claim 2 , wherein
the first movable strip and the second movable strip are located to face each other across the recess,
the first claw is disposed on an end part of the first movable strip adjacent to the recess,
the second claw is disposed on an end part of the second movable strip adjacent to the recess,
the koma is disposed adjacent to the second movable strip to rotate at a predetermined position relative to the housing,
the koma is linked with a coupling portion by the first link portion that is located at a position away from the rotational center by a first distance, the coupling portion being connected to the first movable strip, and
the koma is linked with the second movable strip by the second link portion that is located at a position away from the rotational center by a second distance on an opposite side of the reference axis from the first link portion.

6. The attachment structure according to claim 2 , wherein a first distance from the rotational center of the koma to the first link portion is equal to a second distance from the rotational center of the koma to the second link portion.

7. The attachment structure according to claim 2 , wherein
one of the first claw and the second claw protrudes by a predetermined length from the edge of the recess into the recess in a non-operated state of the operable portion, and
a first distance from the rotational center of the koma to the first link portion is different from a second distance from the rotational center of the koma to the second link portion so that a displacement of the protruding claw during an operation of the operable portion becomes shorter than a displacement of another claw.

8. The attachment structure according to claim 1 , wherein at least one of the first movable strip and the second movable strip includes a restrictor that restricts its own movement in a state where the first claw and the second claw are engaged with the DIN rail by operation of the operable portion.

Assignees

• Denso Wave Inc

Inventors

• Isobe Toshio

Classifications

• H02B1/0526

  locking or releasing devices actuated from the front face of the apparatus · CPC title

• H02B1/052

  Mounting on rails · CPC title

• H01R9/2608 Primary

  Fastening means for mounting on support rail or strip (H01R9/2691 takes precedence; for switch or other electrical device H02B1/042) · CPC title