Lock mechanism and power supply device

1 . A lock mechanism attachable to a rack-mountable exterior body for housing an electronic device, comprising:

a latch having a first flat plate and a first protrusion, the first flat plate having a main surface, and the first protrusion protrudes from the first flat plate to a side that the main surface faces; and

a bumper having a second flat plate and a second protrusion, the second flat plate being in contact with the latch, and the second protrusion protrudes from the second flat plate to a side in a same direction as the first protrusion, wherein

under conditions that a specific axis parallel to the main surface is a first axis, and an axis orthogonal to the first axis and parallel to the main surface is a second axis,

the first protrusion has a latch surface perpendicular to the first axis,

the second protrusion has a bumper surface perpendicular to the second axis

the bumper is in contact with a side of the main surface of the first flat plate, and

a bending rigidity of the bumper is smaller than a bending rigidity of the latch.

2 . The lock mechanism according to claim 1 ,

wherein the first flat plate is fastenable through a fixing portion, the fixing portion being located on a first side of the first flat plate in a first positive direction along the first axis as viewed from the first protrusion, and

wherein an end of the first flat plate in a first negative direction opposite to the first positive direction is located on a second side of the first flat plate, the end of the first flat plate being in the first negative direction as viewed from an end of the bumper.

3 . The lock mechanism according to claim 2 ,

wherein the second protrusion has an inclined surface facing a side to which the second protrusion protrudes,

the inclined surface is located farther on the side to which the second protrusion protrudes, as the inclined surface extends to the side in the first positive direction, and

as viewed in a direction along the second axis, an acute angle formed by the inclined surface and the first axis is equal to or greater than 20 degrees and equal to or less than 70 degrees.

4 . The lock mechanism according to claim 1 ,

wherein the first flat plate has a side surface perpendicular to the second axis, and

the first protrusion protrudes from the side surface of the first flat plate.

5 . The lock mechanism according to claim 2 ,

wherein the first flat plate has a side surface perpendicular to the second axis, and

the first protrusion protrudes from the side surface of the first flat plate.

6 . The lock mechanism according to claim 3 ,

wherein the first flat plate has a side surface perpendicular to the second axis, and

the first protrusion protrudes from the side surface of the first flat plate.

7 . The lock mechanism according to claim 2 ,

wherein the latch has two first protrusions,

the two first protrusions are separated from each other in a direction along the second axis, and

the second protrusion of the bumper is located between the two first protrusions in the direction along the second axis.

8 . The lock mechanism according to claim 3 ,

wherein the latch has two first protrusions,

the two first protrusions are separated from each other in a direction along the second axis, and

the second protrusion of the bumper is located between the two first protrusions in the direction along the second axis.

9 . The lock mechanism according to claim 4 ,

wherein the latch has two first protrusions,

the two first protrusions are separated from each other in a direction along the second axis, and

the second protrusion of the bumper is located between the two first protrusions in the direction along the second axis.

10 . The lock mechanism according to claim 1 ,

wherein a minimum dimension of the second flat plate in a direction along the second axis is smaller than a minimum dimension of the first flat plate in the direction along the second axis.

11 . A lock mechanism attachable to a rack-mountable exterior body for housing an electronic device, comprising:

a latch having a first flat plate and a first protrusion, the first flat plate having a main surface, and the first protrusion protrudes from the first flat plate to a side that the main surface faces; and

a bumper having a second flat plate and a second protrusion, the second flat plate being in contact with the latch, and the second protrusion protrudes from the second flat plate to a side in a same direction as the first protrusion, wherein

under conditions that a specific axis parallel to the main surface is a first axis, and an axis orthogonal to the first axis and parallel to the main surface is a second axis,

the first protrusion has a latch surface perpendicular to the first axis,

the second protrusion has a bumper surface perpendicular to the second axis,

the latch has two first protrusions,

the two first protrusions are separated from each other in a direction along the second axis, and

the second protrusion of the bumper is located between the two first protrusions in the direction along the second axis.

12 . The lock mechanism according to claim 11 ,

wherein the bumper is in contact with a side of the main surface of the first flat plate.

13 . The lock mechanism according to claim 11 ,

wherein the bumper is in contact with a surface of the first flat plate on a side opposite to the main surface.

14 . A power supply device comprising:

a lock mechanism including

a latch having a first flat plate and a first protrusion, the first flat plate having a main surface, and the first protrusion protrudes from the first flat plate to a side that the main surface faces, and

a bumper having a second flat plate and a second protrusion, the second flat plate being in contact with the latch, and the second protrusion protrudes from the second flat plate to a side in a same direction as the first protrusion, wherein

under conditions that a specific axis parallel to the main surface is a first axis, and an axis orthogonal to the first axis and parallel to the main surface is a second axis,

the first protrusion has a latch surface perpendicular to the first axis, and

the second protrusion has a bumper surface perpendicular to the second axis; and

a rack to which an exterior body for housing an electronic device is attached via the lock mechanism,

wherein the rack includes

a flat plate portion that is at least partially in contact with the lock mechanism in a state where the lock mechanism is fixed, and

the flat plate portion has

a first surface perpendicular to the first axis, and in contact with the latch surface of the lock mechanism in the state where the lock mechanism is fixed, and

a second surface perpendicular to the second axis, and in contact with the bumper surface of the lock mechanism in the state where the lock mechanism is fixed.

15 . The power supply device according to claim 14 ,

wherein the flat plate portion has a first opening extending in a direction along the second axis, and

the first surface is a portion of an inner surface of the first opening.

16 . The power supply device according to claim 14 ,

wherein the flat plate portion has a second opening extending in a direction along the first axis, and

the second surface is a portion of an inner surface of the second opening.

17 . The power supply device according to claim 16 ,

wherein the flat plate portion has two second surfaces, and

the two second surfaces are separated from each other and face each other.