JP2557705Y2 - Cover opening and closing mechanism - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION This invention relates to an opening / closing mechanism for a cover which is used when an adjustment knob or the like of an electronic device is not used.

[0002]

2. Description of the Related Art Next, the structure of a cover opening / closing mechanism according to the prior art will be described with reference to FIG. 6 is a main body, 12 is a hole formed in the main body 11, 13 is a cover that covers the hole 12,
14 is a rotating shaft for opening and closing the cover 13, 15 is a bearing, 16
And 17 are latch mechanisms. An adjustment knob or the like, not shown, is arranged in the hole 12.
Close. Bearing 15 for holding rotating shaft 14 on main body 11
Is attached.

[0003]

When the cover 13 shown in FIG. 6 is opened, the cover 13 projects completely out of the main body 11, and the operator may erroneously damage the cover 13. According to the invention, a first angle is provided on both sides of the cover, two shafts are mounted on the first angle, and a second angle is mounted on both sides of the hole of the main body by bending the second angle into the main body. And make two holes L
An object of the present invention is to provide a cover opening / closing mechanism that moves the shape hole to the guide and opens the cover, and accommodates most of the cover in the main body.

[0004]

According to the present invention, a cover opening / closing mechanism for opening and closing a cover 3 for covering a rectangular hole 2 formed in a main body 1 is provided.
The rectangular surface to cover and the angle 4A and the angle 4B
Angled 4A and Angled 4B formed in a letter shape
Are opposite ends 3A and 3B of the rectangular surface, respectively.
Cover 3 and angle 4
Standing from the outer wall of A
The straight line connecting the centers is parallel to the ridgeline of the rectangular surface of cover 3
The shafts 5A and 5B and the outer wall of the angle 4B stand upright,
5A · 5B and the outer diameter the same city, the axial center of their respective axial 5
Axes 5C and 5D that coincide with the axes of A and 5B and the phase of hole 2
Angle 4A and angle at opposite end 2A and end 2B
4B oppose each other at a very small interval from the outer wall surface
Angles 6A and 6B standing in the body 1 in the form of
With the force to move the shaft 5B protruding from the
And a spring 8 for urging the shafts 5A and 5B.
L-shaped hole 7A is formed in angle 6A, and shafts 5C and 5D
An L-shaped hole 7B serving as a track is formed in the angle 6B, and the body 1
And a vertical hole 7C parallel to the plane of
The vertical hole 7C and the horizontal hole 7D which is orthogonal to the L-shaped hole 7A
7B is formed, and the vertical hole 7C and the horizontal hole 7D of the L-shaped hole 7A are straight
A convex portion 7E protruding in the orbit is formed at the intersection where the shaft 5A is formed.
The shaft 5C is located above the vertical hole 7C, and the shafts 5B and 5D are L
When located at the corners of the holes 7A and 7B, use the spring
8 pushes shaft 5B to the corner of L-shaped hole 7A,
3 keeps the hole 2 closed, and the shafts 5A and 5C are L-shaped
The shaft 5B and the shaft 5D are located at the corners of the holes 7A and 7B, and the horizontal hole 7D
When the shaft 5A is positioned at the end of the
The protrusion 3E prevents the cover 3 from climbing the hole 7C.
Keep open .

[0005]

Next, the structure of the cover opening / closing mechanism according to the present invention will be described with reference to FIG. FIG. 1 is an exploded perspective view. 1 is a main body, 2 is a rectangular hole formed in the main body 1, and 3 is a hole 2.
4A is an angle attached to the end 3A of the cover 3; 4B is an angle attached to the end 3B of the cover 3; 5A and 5B are axes attached to the angle 4A in parallel with the cover 3; An axis attached to the angle 4B in parallel with the cover 3, 6A is an angle bent into the body 1 at the end 2A of the hole 2, 6B is an angle bent into the body 1 at the end 2B of the hole 2, and 7A is an angle 6A L-shaped hole drilled in 7B is an L-shaped hole drilled in angle 6B, 8 is attached along L-shaped hole 7A,
This is a spring that pushes the shaft 5B.

Next, a partially enlarged view of the L-shaped hole 7A will be described with reference to FIG. The L-shaped hole 7B is formed in the same manner as the L-shaped hole 7A. In FIG. 2, 7C is a vertical hole, 7D is a horizontal hole, and 7E is a vertical hole 7C.
The side hole 7D is a convex portion protruding from the outer inner surface of the orthogonal corner . The shaft 5A and the shaft 5B are inserted into the L-shaped hole 7A, and the shaft 5C and the shaft 5D are inserted into the L-shaped hole 7B. In FIG. 2, the shaft 5A is above the vertical hole 7C, and the shaft 5B is below the corner convex portion 7E.

Next, the assembly drawing of FIG. 1 will be described with reference to FIG. In FIG. 3, the shaft 5A is held in the vertical hole 7C of the L-shaped hole 7A, and the shaft 5B is held in the horizontal hole 7D. Since the spring 8 pushes the shaft 5B, the cover 3 holds the state of FIG.

Next, a state in which the lower portion 3C of the cover 3 in FIG. 3 is pressed will be described with reference to FIG. To open the cover 3, the lower part 3C of the cover 3 in FIG. 3 is pushed. When the lower part 3C is pressed, the upper part 3D of the cover 3 falls down as shown in FIG. 4, so that the upper part 3D of the cover 3 is pulled down.

When the cover 3 is opened as shown in FIG.
The shaft 5A descends from the vertical hole 7C from the state of FIG.
Moves the horizontal hole 7D in a direction away from the convex portion 7E. Axis 5
A descends from the vertical hole 7C in FIG. 2 and crosses the protrusion 7E just before moving to the corner . The projection 7E is for giving a lock function to the cover 3, and the shaft 5B is pressed by the spring 8,
The shaft 5A is prevented from climbing the vertical hole 7C beyond the protrusion 7E .

Next, a state in which the cover 3 is opened will be described with reference to FIG. In FIG. 5, the shaft 5A moves to the position of the shaft 5B in FIG. 2, and the shaft 5B moves to the end of the lateral hole 7D. Since the force of the spring 8 is not strong enough to push up the shaft 5A beyond the projection 7E, the state of FIG. 5 is maintained. In FIG. 5, the cover 3
Is horizontal, and most of the cover 3 is accommodated in the main body 1. When closing the cover 3, the upper part 3 of the cover 3 in FIG.
Push D up. When the shaft 5A exceeds the protrusion 7E in FIG.
The cover 3 returns to the state shown in FIG.

[0011]

[Effect of the Invention] According to the invention, the first side is provided on both sides of the cover.
Are provided, two shafts are attached to the first angle, a second angle is attached to both sides of the hole of the main body by bending the second angle into the main body, and an L-shaped hole is formed in the second angle. Since the shaft moves through the L-shaped hole to the guide, when the cover is opened, most of the cover is housed in the main body, and the accident of damage to the cover due to an operation error can be reduced.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a cover opening / closing mechanism according to the present invention.

FIG. 2 is a partially enlarged view of an L-shaped hole 7A of FIG.

FIG. 3 is an assembly view of FIG. 1;

4 is a view showing a state in which a lower portion 3C of the cover 3 in FIG. 3 is pressed.

FIG. 5 is a view showing a state where a cover 3 of FIG. 3 is opened.

FIG. 6 is a configuration diagram of a cover opening / closing mechanism according to the related art.

[Explanation of symbols]

 1 Body 2 Hole 3 Cover 3A End 3B End 4A Angle 4B Angle 5A-5D Shaft 6A Angle 6B Angle 7A L-shaped Hole 7B L-shaped Hole 8 Spring

Claims (1)

(57) [Scope of request for utility model registration] A cover opening / closing mechanism for opening and closing a cover (3) covering a rectangular hole (2) formed in a main body (1) , wherein a rectangular surface covering the hole (2) and a first angle (4A) are provided. ) And the second Ann
Glue (4B) and U-shaped cross section
The angle (4A) and the second angle (4B) are opposites of the rectangular surface.
Ridge lines of the first end (3A) and the second end (3B)
The cover (3), which can be bent at a right angle with the outer wall of the first angle (4A), has the same outer diameter.
The straight line connecting the center of each axis is the rectangular surface of the cover (3).
The first and second shafts (5A) and (5B), which are parallel to the ridge line, and the outer wall of the second angle (4B)
The outer diameters of the shafts (5A) and (5B) are the same, and the center of each shaft is
Third and fourth axes that match the axis centers of the first and second axes (5A) and (5B)
Shafts (5C) and (5D), and opposing first end (2A) and second end (2B) of hole (2).
Each of the first angle (4A) and the second angle (4B)
In the body (1) facing each other at a very wide interval from the outer wall
The third and fourth angles (6A) and (6B) to be erected and the second shaft (5B) protruding from the first angle (4A) are the main body.
(1) A first L-shaped hole (7 ) which is provided with a spring (8) for urging a force to move the
A) is formed at a third angle (6A), and a second L-shaped hole (7 ) is formed as a trajectory of the third and fourth axes (5C) and (5D).
B) is formed at a fourth angle (6B), and a vertical hole (7C) parallel to the plane of the main body (1) is separated from the main body (1).
In the vertical hole (7C) and the horizontal hole (7D)
First and second L-shaped holes (7A) and (7B) are formed at the corner where the vertical hole (7C) and the horizontal hole (7D) of the first L-shaped hole (7A) are orthogonal.
A convex part (7E) protruding from the track is formed, and the first axis (5A) and the third axis (5C) are located above the vertical hole (7C).
And the second axis (5B) and the fourth axis (5D) are the first and second L-shaped holes.
If it is located at the corner of (7A) or (7B), use the spring (8)
Presses the second shaft (5B) into the corner of the first L-shaped hole (7A).
The cover (3) keeps the hole (2) closed and the first shaft (5A) and the third shaft (5C) are connected to the first and second L-shaped holes (7A).
・ Located at the corner of (7B), the second axis (5B) and the fourth axis (5D)
When located at the end of the hole (7D), the first shaft (5A) is
The convex (7E) prevents the vertical hole (7C) of the L-shaped hole (7A) from climbing.
A cover opening / closing mechanism characterized in that the cover (3) is kept open by the above operation.