JPH0142377Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a door attachment device, and particularly to a door attachment device that is attached to a housing of an electronic device.

Switches for making various adjustments are installed on the front of the housing of electronic devices, and some of these switches do not need to be adjusted during normal use once they have been adjusted. There are also many switches that must not be moved. For electronic devices that have such switches, a door is installed in the housing to hide the switches so that these switches are normally out of sight and the door is opened only when it is necessary to adjust the switches. It is necessary to prevent switches from being moved accidentally.

However, if this door opens only about 180 degrees like a conventional door, it would require extra space when installing electronic equipment with the door open, and it would get in the way of adjusting switches. In the case of portable equipment, there was a risk of damage if the equipment was carried around with the door open.

The present invention was made in view of the above circumstances, and an object thereof is to provide a door mounting device that allows the door to be opened up to 270 degrees.

Hereinafter, embodiments of the present invention will be described in detail with reference to FIGS. 1 to 5.

1 is a housing of an electronic device, and one end 22 of a door 2 is attached to a corner 11 of this housing 1, and the door 2 can be rotated within a range of 270° in the direction of arrow a-a'. It is said that Note that switches (not shown) are provided on the front surface 3 of the casing 1, and when using these switches, the door 2 is moved in the direction of arrow a.
It is supposed to be opened in the direction before use.

In FIGS. 2 and 3, a mounting arrangement for the door 2 is shown.

4 is a holder fixed to the housing 1; This holder 4 has four brackets 5 projecting from it, thereby forming three grooves 6 having the same width. A housing-side hinge pin 7 is attached to the bracket 5 so as to pass through the groove 6. The surface of this hinge pin 7 is formed to be sufficiently smooth compared to the surface of a door-side hinge pin 12, which will be described later. In addition, the corner 1 of the housing 1
A holder 4 can be inserted into the upper and lower parts of 2.
Two recesses 8 are bored, and the holder 4 has two recesses 8.
It is fixed to the top and bottom of the casing 1 by screws (not shown) while in contact with the wall surface (second locking part) 9 of the casing 1 .

On the other hand, three grooves 10, which are slightly narrower than the groove 6 of the holder 4, are bored at equal intervals on the top and bottom of one end 22 of the door 2, and the door side hinge pin is inserted through these grooves 10. 12 is fixed to one end 22.

Reference numeral 13 denotes a connecting portion that connects the housing 1 and the door 2. This connecting portion 13 is made of an elastic material, and its thickness is such that it can be fitted slightly loosely into the groove 6 of the holder 4 and slightly tightly into the groove 10 of the door 2. It is said to be thick. Holes 14 are bored at both ends of the connecting portion 13 into which the casing side and door side hinge pins 7, 12 can be inserted.
2 is inserted into the hole 14 through the notch 15 of the hole 14.

In this embodiment, six connecting parts 1
3 to the housing side and door side hinge pins 7, 12.
The door 2 is attached to the housing 1 by connecting the two. As described above, this connecting portion 13 is connected with a small frictional force toward the casing-side hinge pin 7 side, and with a high frictional force with respect to the door-side hinge pin 12 side. Therefore, the following movement will occur. When the door 2 is held and rotated in the direction of arrow a (the direction in which the door 2 opens), the connecting portion 13 rotates around the housing-side hinge pin 7. However, when it rotates to a predetermined position (90 degrees), the wall surface of the holder 4 (the first
(locking part) 16. Therefore, the door 2 will further rotate in the direction of arrow a around the door-side hinge pin 12. Furthermore, when the door 2 is rotated in the direction of arrow a' from the position of the door 2 shown by the dashed line in FIG. The door 2 rotates to a predetermined position (90 degrees) where it is locked to the locking portion (locking portion) 9, and then the door 2 further rotates in the direction of arrow a' around the door-side hinge pin 12.

4 and 5 show the order of opening and closing operations of the door 2.

Position of door 2 shown in Figure 4a (fully closed position of door 2)
When the door 2 is rotated in the direction of arrow a, the door 2 rotates as shown in FIG.
It will open to a 90° position. When the door 2 is further rotated in the direction of the arrow a, the door 2 rotates around the door side hinge pin 12 until it comes into contact with the side surface of the housing 1 at an angle of 270 degrees (the fully open position of the door 2) (FIG. 4c).

When the door 2 is rotated in the direction of arrow a' from the fully open position shown in FIG. 5a, the door 2 rotates to the 90° position shown in FIG. do. If you rotate door 2 further, door 2
rotates around the door side hinge pin 12, and as shown in Fig. 5c.
It will be in the fully closed position shown in .

In this embodiment, the frictional force that determines the rotation order of the connecting portion 13 is determined by the difference in the smoothness of the surfaces of the casing-side hinge pin 7 and the door-side hinge pin 12 and between the grooves 6 and 10 and the connecting portion 13. However, the fit is not limited to this, for example, the shaft diameters of the hinge pins 7 and 12 on the casing side and the door side may be made different sizes, or the connecting portion 13 may be formed with different sizes.
The inner diameters of the two hole portions 14 may be varied in size.

As described above, according to the present invention, the door can be attached to the housing in a state where it can be opened up to 270 degrees. Furthermore, the structure is relatively simple, the production cost is low, and the door can be easily attached. Furthermore, the connecting portion does not protrude from the door when the door is opened or closed, and the door can be attached with a beautiful appearance.

[Brief explanation of drawings]

Figures 1 to 5 are diagrams illustrating an embodiment of the present invention, with Figure 1 being a perspective view of a casing equipped with a door that can open and close 270°, and Figure 2 being a perspective view of the door. FIG. 3 is a sectional view taken along the line -- in FIG. 1, FIG. 4 is an explanatory diagram showing the process of opening the door, and FIG. 5 is an explanatory diagram showing the process of closing the door. 1... Housing, 2... Door, 4... Holder, 7...
Housing hinge pin, 9... second locking part, 11...
Corner of the housing, 12...Door side hinge pin, 13...
Connecting part, 14... Hole part, 16... First locking part,
22...One end of the door.

Claims (1)

[Scope of utility model registration request] In a door mounting device that attaches one end of a door to a corner of a housing, a housing-side hinge pin attached to the housing, a door-side hinge pin attached to the door, and one end rotatably connected to the housing-side hinge pin. a connecting portion rotatably connected to the door-side hinge pin with the other end thereof being connected with a friction force greater than that of the one end; a first locking portion configured to lock the connecting portion that rotates around the housing-side hinge pin at a predetermined position before the fully open position of the door; and a second locking portion configured to lock the connecting portion, which rotates around the housing side hinge pin, at a predetermined position before the fully closed position of the door when the door is rotated in the closing direction. A door mounting device characterized by: