JPH0638449Y2 - Cover structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Outline] A cover structure including an upper cover and a lower cover that form a housing of an electronic device, etc., and has a good external appearance and does not hinder cooling of a unit housed in the cover. For the purpose of the above, in a cover structure consisting of a box-shaped lower cover for accommodating and fixing a unit and an upper opening and a box-shaped upper cover for accommodating and fixing another unit, which is attached to a lower cover , Comb teeth are formed on the rear side wall of the lower cover, and comb teeth that interlock with the comb teeth of the lower cover are formed on the rear side wall of the upper cover with a gap, and the upper unit and the lower unit are arranged on the rear side. The upper cover is mounted on the lower cover so as to be slidable about the pins of the hinge means by connecting via the hinge means provided on the.

[Industrial application field]

The present invention relates to a cover structure including an upper cover and a lower cover, which constitutes a casing of a device such as an electronic device.

In devices such as electronic devices, units such as a printing unit, a transport unit, a control unit, and a power supply unit are housed and fixed in an openable cover.

In order to inspect these units, it is required that the cover is composed of a lower cover and an upper cover, and the upper cover can be opened and closed.

[Conventional technology]

Conventional cover structures include those shown in FIGS. 3 and 4.

In FIG. 3, reference numeral 2 denotes a box-shaped lower cover having an open top,
Reference numeral 1 denotes a box-shaped upper cover that is attached to a lower cover 2 having an opening at the bottom, and units are housed and fixed in the upper cover 1 and the lower cover 2, respectively.

Conventionally, hinge means 3 is provided on the outer side of the rear side wall of the cover, and the upper cover 1 is capped on the lower cover 2 so as to be slidable.

More specifically, the hinge means 3 includes a pair of supporting members 4 provided on the outer side of the rear side wall of the lower cover 2, and a protrusion 5 provided on the outer side of the rear side wall of the upper cover 1 so as to be inserted between the supporting tools 4. When,
The upper cover 1 is slidable with the pin 6 as a pivot, which is composed of the protrusion 5 in a fitted state and the pin 6 penetrating the support 4.

In another conventional example shown in FIG. 4, a hinge means 7 is provided at the rear portion inside the cover, and the upper cover 1 is slidably mounted on the lower cover 2.

More specifically, the hinge means 7 includes a pair of support members 8 provided to project upward inside the lower cover 2, and a protrusion (not shown) provided on the side of the upper cover 1 so as to be loosely inserted between the support members 8. ) 5
And the pin 9 penetrating the protrusion 8 and the support 8 in the fitted state.
The upper cover 1 swings with the pin 9 as a pivot.

[Problems to be solved by the invention]

The conventional cover structure shown in FIG. 3 has a problem that not only the appearance is inferior because the hinge means projects out of the cover, but also the size of the device is increased by the hinge means.

Further, since the mating surfaces of the upper cover 1 and the lower cover 2 are in close contact with each other, the flow of air in the cover is blocked, and the cooling performance of the unit housed in the cover is poor.

Further, in the conventional cover structure shown in FIG. 4, the hinge means 7 is inside the cover. When the lower end surface of the side wall of the upper cover 1 and the upper end surface of the side wall of the lower cover 2, that is, the mating surface are in close contact with each other, the rear side wall of the upper cover 1 does not lower downward when the upper cover 1 is opened and closed. Can't open

Therefore, as shown in FIG. 4B, between the upper end surface of the lower cover 2 and the lower end surface of the upper cover 1, that is, the mating surface,
A gap a is provided.

In the cover provided with such a gap a, foreign matter enters the cover through the gap a and causes a failure of the unit accommodated therein.

On the other hand, the gap a is eliminated to bring the mating surfaces of the upper cover 1 and the lower cover 2 into close contact with each other, and as shown in FIG. Are provided on the left and right side walls of the lower cover 2.

In such a case, since the notches c are provided in the left and right side walls of the lower cover 2 which are easily visible from the outside, the appearance is inferior, and the foreign matter enters the cover from the notches c and causes the trouble of the unit accommodated therein. There was a problem that

The present invention has been made in view of the above circumstances, and provides a cover structure in which the size of the cover is prevented from increasing, the appearance is good, and cooling of the unit housed in the cover is not hindered. It is an object.

[Means for solving problems]

In order to solve the above problems, the present invention is shown in FIG.
As shown in (c), a box-shaped lower cover 2 for accommodating and fixing a unit and an upper opening, and a box-shaped upper cover for accommodating and fixing another unit and having a lower opening that is attached to the lower cover 2 In the cover structure consisting of 1, the comb teeth 11-2 are formed on the rear side wall of the lower cover 2, and the comb teeth 11-2 of the lower cover 2 are occluded on the rear side wall of the upper cover 1 with a gap b. It is assumed that the teeth 11-1 are formed in an array.

Then, by connecting both units via a hinge means 30 provided at the rear part of the unit, the upper cover 1 is slidably mounted on the lower cover 2 about the pins of the hinge means 30 as an axis.

[Action]

According to the present invention, the unit fixed to the upper cover and the unit fixed to the lower cover are slidably connected to each other by a hinge means provided at the rear portion of both units, and further, there is a gap between the rear side walls of both the upper cover and the lower cover. There are comb teeth that occlude each other.

Therefore, the upper cover can be slidable about the pins of the hinge means.

At this time, the upper cover and the lower cover are brought into close contact with the mating surfaces of the front side wall and the left and right side walls. Therefore, the appearance is good.

On the other hand, since the hinge means is provided in the cover, the cover does not become large.

Further, since both comb teeth are engaged with each other with a gap, this gap serves as a ventilation hole. Therefore, the heat of the unit housed in the cover is radiated to the outside through this gap.

〔Example〕

Hereinafter, the present invention will be described in detail with reference to the drawings. The same reference numerals denote the same objects throughout the drawings.

2 (a) to (g) are views of an embodiment to which the present invention is applied. (A) is a front view, (b) is a rear perspective view, (c) is a sectional view, and (d) is a cover. Is a side view of the opened state, (e) is an enlarged view of part A shown in (b), (f) is a sectional view with the upper cover closed, and (g) is a sectional view with the lower cover open. is there.

In the figure, reference numeral 2 is a box-shaped lower cover which is composed of a bottom plate 2a, a rear side wall 2b, left and right side walls 2c, and a front side wall, and which opens upward.

Reference numeral 1 denotes an upper cover, which is a shallow box shape having a ceiling plate 1a, a rear side wall 1b, left and right side walls 1c, and a front side wall and which is open at the bottom, and which is attached to the lower cover 2.

The plate thickness of the side walls of the upper cover 1 and the lower cover 2 is about 2 mm.

As shown in FIG. 2B, the upper corners of the left and right side walls 1c of the upper cover 1, the upper left and right corners of the rear side wall 1b, and the ceiling plate.
The left and right corners of the rear portion of 1a are notched, and the notched portions are covered by the lower cover 2 extending.

A unit 22 is accommodated and fixed in the lower cover 2, and another unit 21 is accommodated and fixed in the upper cover 1.

Ear members protruding upward are provided at both left and right ends of the rear upper part of the unit 22 housed in the lower cover 2, and a pair of loosely inserted between the ear members described above is mounted on the rear lower part of the unit 21 housed in the upper cover 1. An ear-shaped member is provided, and a pin 31 is fitted and inserted into an ear member and an engagement hole 32 penetrating the ear-shaped member to provide the hinge means 30.

That is, since the unit 21 fixed to the upper cover 1 and the unit 22 fixed to the lower cover 2 are connected via the hinge means 30, the unit 21 can be slid on the upper side about the pin 31 of the hinge means 30. is there.

The rear side wall 2b of the lower cover 2 is provided with an interface connector section and a power supply connector section, respectively, for connection with the outside.

On the other hand, as shown in detail in FIG. 2 (e), the lower cover 2
Comb teeth 11-2 are formed in an array on the upper part of the rear side wall, and the upper cover 1
Comb teeth 11-1 that mesh with comb teeth 11-2 of the lower cover 2 on the rear side wall
Are formed in an array.

It should be noted that a gap b (a gap slightly larger than the plate thickness and its size is about 2 mm) is provided between the comb teeth and at the tip of the comb teeth, and the comb teeth 11-1 of the upper cover 1 are separated by the gap b. Are engaged with the comb teeth 11-2 of the lower cover 2.

In this way, a gap b larger than the plate thickness is provided at the tooth tips of both comb teeth.
Since the upper cover 1 is provided with the pin 31 of the hinge means 30,
It is possible to move around.

At this time, comb teeth having a gap b are formed on the back side, that is, the rear side wall of the cover, but since this gap b is the back side of the device, the gap cannot be seen at first glance. The upper cover 1 and the lower cover 2 are in close contact with each other at the mating surfaces of the front side wall and the left and right side walls. Further, since the hinge means 30 is provided in the cover, the cover structure of the present invention has a good appearance.

On the other hand, since both comb teeth are occluded with a gap therebetween, the zigzag gap serves as a ventilation hole.

That is, since the heat of the unit housed in the cover is released to the outside through this gap, the unit housed in the cover is improved in cooling performance.

Although the hinge means 30 is provided on both sides of the rear portion of the unit, it is needless to say that the hinge means 30 may be provided with one long pin at the central portion of the rear portion of the unit.

[Effect of device]

As described above, according to the present invention, the unit fixed to the upper cover and the unit fixed to the lower cover are slidably connected by the hinge means provided at the rear portion of both units, and further, both the upper cover and the lower cover are connected. The rear side wall is provided with comb teeth that interlock with each other with a gap therebetween, and the upper cover is slidably mounted on the lower cover. The appearance of the cover or device is good, and the large size of the cover is large. It has an excellent effect in practical use that the unit is housed in the cover and the heat dissipation is good.

[Brief description of drawings]

1 (a) to 1 (c) show the principle of the present invention, FIGS. 2 (a) to 2 (g) show an embodiment of the present invention, and FIG. 3 shows a conventional cover structure. FIGS. 4 (a) to 4 (c) are views for explaining another conventional cover structure. In the figure, 1 is an upper cover, 2 is a lower cover, 3,7,30 are hinge means 6,9,31 are pins 11-1, 11-2 are comb teeth 21,22 are units, 32 is an engagement hole. Shown respectively.

Claims (1)

[Scope of utility model registration request] 1. A box-shaped lower cover (2) for accommodating and fixing a unit, and an upper box-shaped cover for accommodating and fixing another unit, which is crowned to the lower cover (2). In a cover structure including a cover (1), comb teeth (11-2) are formed on the rear side wall of the lower cover (2), and the comb teeth (11-2) are formed on the rear side wall of the upper cover (1). ) Is formed by arranging comb teeth (11-1) that interlock with each other with a gap, and both units are connected via a hinge means (30) provided at the rear of the unit, and the upper cover (1) The cover structure is characterized in that it is attached to the lower cover (2) so as to be slidable around the pins of the hinge means (30).