JPH0338851Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a drainage structure for an electronic device case for draining rainwater or the like that has entered the electronic device case to the outside of the case.

[Conventional technology and issues to be solved] Electronic devices installed outdoors are directly exposed to rainwater, so sufficient waterproofing measures are usually taken to prevent rainwater from entering the electronic device case. It's summery.

However, once rainwater enters the case, it is difficult for the rainwater to drain outside, and as a result, it collects inside the case and turns into water vapor due to the heat generated by the electronic device, which can have a negative impact on the electronic device. There were flaws.

[Means for Solving the Problems] The present invention has been made in view of the above-mentioned problems, and firstly, it is a method for improving the electronic device case to drain rainwater etc. that have entered the electronic device case to the outside of the electronic device case. In the drainage structure, the inner surface of the bottom plate of the electronic device case is sloped so that the front side is lower, and a drop groove is formed along the front edge of the inner surface of the bottom plate, and a drop groove is formed in the front edge of the bottom plate. A drainage hole communicating with the outside of the electronic device case is provided in the electronic device case.

In order to achieve the same purpose, secondly, in addition to the above structure, the drop groove is formed to be sloped downward from the center to both left and right sides, and the drainage holes are formed on both left and right sides of the drop groove. This is what happens.

Furthermore, thirdly, instead of the second, the drop groove is formed to be inclined from both left and right sides toward the center, and the drain hole is formed in the center of the drop groove.

[Example] Hereinafter, an example of the present invention will be described in detail based on the drawings.

FIG. 1 is a perspective view of an electronic device case in a separated state according to the drainage structure of the electronic device case of the present invention, FIG. 2 is a cross-sectional view of the electronic device case, and FIG. 3 is a vertical cross-sectional view thereof.

In FIG. 1, an electronic device case 1 is composed of two bodies, a case body 2 and a cover 3, and various electronic devices are mounted inside this electronic device case 1.
In the embodiment, a device installed on an outdoor wall of each residential unit is shown as a terminal device of a residential centralized monitoring system.

The case body 2 includes a back plate 8 fixed to an outdoor wall, a top plate 4 as a rising wall rising from the periphery of the back plate 8, left and right side plates 5, and a bottom plate 6. is fixed to the back plate 8,
Surrounded by a rising wall. The case body 2 is fixed to an outdoor wall surface with screws via a mounting piece 13 formed at the lower part of the back plate 8 and a mounting bracket 14 mounted at the upper part.

On the other hand, the cover 3 includes a front plate 9 that covers the front surface of the case body 2 on the opening side, a top plate 10 and left and right side plates 11 that overlap the top plate 4 and left and right side plates 5 of the case body 2, and It consists of a wrap-around piece 12 that extends from the edge of the face plate 10 and the left and right side plates 11 and wraps around the back side of the case body 2. At this time, the front edge 7 of the bottom plate 6 of the case body 2 and the front plate 9 of the cover 3 are in close contact with each other.

Fig. 4 is a perspective view of the bottom plate of the case body related to the main part of the present invention, Fig. 5 is an enlarged sectional view of the main part of Fig. 3 showing the cable connection state, and Fig. 6 is a front view of the lower part of the electronic equipment case. 7 is a side sectional view of FIG. 6, and FIG. 8 is a perspective view of the drainage hole.

In each of the above figures, the bottom plate 6 of the case body 2 has a plurality of connector insertion holes 6 as shown in FIG.
A is provided. As shown in FIG. 5, a connector 41 of an electronic device 40 is inserted into the four smaller connector insertion holes 6a, and a cable 42 is connected from the outside to establish a connection with an external device.
That is, the connector 41 of the electronic device 40 is fixed with the nut 44 after being inserted into the connector insertion hole 6a,
It is connected to the cable 42 through a connector 43. Then, the waterproof tube 45 provided on the cable 42 is shifted toward the bottom plate 6 side, and its edge is fitted into the groove 6e formed around the connector insertion hole 6a, thereby preventing rainwater from entering into the case body 2. It's on. In addition, a connector (not shown) with a rubber seal on the inner periphery is fixed in the slightly larger connector insertion hole 6a, and an outside line input/output cable is introduced here to prevent rainwater from entering. are doing.

The inner surface of the lower plate 6 of the case body 2 is formed to be inclined so that the front side is slightly lower. A drop groove 6b is formed along the front edge of the front part, which is lower than the rear part. In the embodiment, the front plate 9 of the cover 3 is connected to the front edge 7 of the lower plate 6.
A drop groove 6b is formed in close contact with. Drop groove 6b
The width is narrow at the center and becomes wider toward the left and right sides. This is to make it easier for rainwater that has flowed into the drop groove 6b to flow to both left and right sides. Further, the drop groove 6b is formed so that the bottom surface becomes lower from the center to both left and right sides. Therefore, rainwater collected on the bottom plate 6 of the case body 2 collects in the drop groove 6b and further flows to both sides thereof.

Both left and right sides of the drop groove 6b are formed one step lower, and drain holes 6c are provided at the corners. This drain hole 6c is formed to penetrate the bottom plate 6, and drains rainwater accumulated in the drop groove 6b to the outside of the case. A protruding piece 6d is formed at the upper part of the drain hole 6c so as to be flush with the bottom plate 6, and prevents rainwater blown up from the drain hole 6c from entering the case body 2.

Next, to explain the flow of rainwater that has entered the case body 2, it flows along the inner surface of the case body 2 and flows through the bottom plate 6.
Rainwater flowing down is sent forward along the slope. Then, it flows into the drain groove 6b, flows left and right along this slope, and when it reaches the corner of the bottom plate 6, it flows from the drainage hole 6c to the electronic device case 1.
The water will be drained outside.

FIG. 9 is a front sectional view of the lower part of the electronic device case showing another embodiment.

In this embodiment, the drop groove 6b is formed so as to be inclined from both left and right sides toward the center. One drainage hole 6c is formed in the lowered center. In this case, after rainwater flows into the droplet 6b, it is collected in the center by the sloped surface and drained out of the electronic device case 1 from the central drainage hole 6c.

[Effects of the invention] As explained above, the present invention tilts the inner surface of the bottom plate of the case body forward and forms a drop groove with a drainage hole on the front edge of the bottom plate, thereby preventing water from entering the electronic device case. This has the effect that rainwater can be efficiently drained out of the electronic device case, and therefore does not adversely affect the electronic devices inside the case.

In addition, by forming the above-mentioned ditch so that it is lower on both the left and right sides, or so that it is lower in the center, and providing drainage holes on both sides of the lowered left and right sides or in the center, rainwater can be drained more efficiently. There are some effects that can be done.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of the electronic device case in a separated state according to the drainage structure of the electronic device case of the present invention, FIG. 2 is a cross-sectional view of the electronic device case, FIG. 3 is a vertical cross-sectional view of the electronic device case, and FIG. The figure is a perspective view of the bottom plate of the case body related to the main part of the present invention, Fig. 5 is an enlarged sectional view of the main part of Fig. 3 showing the cable connection state, and Fig. 6 is a front sectional view of the lower part of the electronic device case. , FIG. 7 is a side sectional view of FIG. 6, FIG. 8 is a perspective view of the drain hole, and FIG. 9 is a front sectional view of the lower part of the electronic device case showing another embodiment. 1...Electronic device case, 2...Case body, 3
...Cover, 6...Bottom plate, 6b...Drop groove, 6
c...Drain hole.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A drainage structure for an electronic device case characterized by having the following requirements for draining rainwater etc. that have entered the electronic device case to the outside of the electronic device case. (a) The inner surface of the bottom plate of the electronic equipment case is sloped so that the front side is lower. (b) A drop groove is formed along the front edge of the inner surface of the lower plate. (c) A drainage hole that communicates with the outside of the electronic device case shall be provided in the drop groove mentioned above. (2) A drainage structure for an electronic device case according to claim (1), wherein the drop groove is formed to be sloped downward from the center to both left and right sides, and the drainage hole is formed on both left and right sides of the drop groove. . (3) The drainage structure for an electronic device case according to claim (1), wherein the drop groove is formed so as to be sloped downward from both left and right sides toward the center, and the drain hole is formed at the center of the drop groove.