JPH088546A - Waterproof case structure - Google Patents

Abstract

PURPOSE:To drain away water or the like which penetrates into a case through a gap generated between a cover and a cover fitting section by a method wherein a groove is provided around the cover fitting section of the case. CONSTITUTION:A drain groove 7 is formed in one piece with a case 1 making a right angle with the lengthwise direction of the case 1 adjoining to a gap 6 formed between an LCD filter 2 and an LCD filter fitting section 3 when the filter 2 is fitted in the fitting section 3. The drain groove 7 is provided along the gap 6 making a right angle with the lengthwise direction of the case 1. If water or the like splashes around the LCD filter 2 from outside, it moves towards the inside of the case 1 through the gap 6 between the LCD filter 2 and the case 1. Water is received by the drain groove 7 provided to the LCD filter fitting section 3 and discharged out from both the sides of the case 1 through the drain groove 7 before it penetrates into the ease 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof casing structure,
More specifically, the present invention relates to a waterproof casing structure in which water that tries to enter the inside of the casing through a gap such as a cover is drained to the outside so as not to enter the inside.

[0002]

2. Description of the Related Art Conventionally, for example, in a display section of a telephone or the like which is required to be waterproof, when an LCD filter is attached to a filter mounting section provided in a casing, this LCD is used.
The filter was adhered to the filter mounting portion via a tape, and the tape prevented water from entering the inside of the housing.

[0003]

In the case configured as described above, there may be a gap between the LCD filter and the filter mounting portion of the case, and water splashed on the outer surface passes through this gap. There was a risk of infiltration into the housing. That is, there is a problem that the infiltrated water may infiltrate the tape or may infiltrate the inside of the housing from a portion where the tape is not attached.

The present invention has been made in order to solve the above-mentioned problems, and it is possible to receive the water that tries to enter the inside of the housing to prevent the entry and to drain the water to the outside. The purpose of the present invention is to obtain a relatively inexpensive waterproof housing structure.

[0005]

In the waterproof casing structure according to the present invention, a groove is provided around the cover attaching portion of the casing where the cover is detachably attached to the cover attaching portion of the casing.

[0006]

[Function] The groove or the like drains water or the like that enters through the gap formed between the cover and the cover mounting portion.

[0007]

【Example】

Embodiment 1 FIG. 1 is an exploded perspective view showing a first embodiment of the present invention, and FIG. 2 is a longitudinal sectional view of an essential part showing a state in which a cover is attached. Reference numeral 1 denotes a housing including a display portion of a telephone that requires waterproofing, and 2 denotes an LCD having a U-shaped cross section with side covers 2a and 2b on both sides.
The filter constitutes the cover. Reference numeral 3 denotes a concave LCD filter mounting portion provided in the housing 1, and LC is provided in the concave portion.
The D filter 2 is detachably fitted. 4 is L
It is an opening provided in the CD filter mounting portion 3. 5,5
Is a double-sided tape adhered to the lower surface of the LCD filter 2 (provided so as to be perpendicular to the longitudinal direction of the housing 1 when the LCD filter 2 is attached), and adheres the LCD filter 2 to the LCD filter mounting portion 3. .

When the LCD filter 2 is fitted into the LCD filter mounting portion 3, 7 and 7 are continuous with the gaps 6 and 6 formed between the LCD filter 2 and the LCD filter mounting portion 3 which are orthogonal to the longitudinal direction of the housing 1. The drain groove is integrally formed with the casing 1, and is provided along the gaps 6 and 6, that is, at right angles to the longitudinal direction of the housing 1. The drain grooves 7, 7 are substantially parallel to the flat surface portion 3a of the LCD filter mounting portion 3, or the flat surface portion 3
It is formed so as to descend from the center of a toward both sides, and is bent downward at a right angle on both side vertical surfaces 3b, 3b.

Next, the operation of the embodiment constructed as described above will be described. When water or the like is splashed on the vicinity of the LCD filter 2 from the outside, the water or the like is absorbed by the LCD filter 2 and the housing 1.
It goes toward the inside of the housing 1 through a gap 6 between However, it is received by the drainage grooves 7, 7 provided in the LCD filter mounting portion 3, and is transmitted to the outside from both sides of the housing 1 through the drainage grooves 7, 7 before it penetrates into the housing 1.

Therefore, according to this embodiment, water or the like is used for the LCD.
A good waterproof structure can be obtained without entering the inside of the housing 1 through the opening 4 provided in the filter mounting portion 3. Further, since the drainage grooves 7 and 7 can be integrally manufactured with the housing 1 by molding or the like when manufacturing the housing 1, there is no need to use a separate member, the manufacturing is easy, and the cost is economical. .

Embodiment 2 FIG. 3 is an exploded perspective view showing a second embodiment of the present invention.
In the first embodiment, the drainage grooves 7 are provided on both sides of the LCD filter mounting portion 3 so as to be orthogonal to the longitudinal direction of the housing 1, but in the present embodiment, both side vertical surfaces 3b of the LCD filter mounting portion 3 are further provided. , 3b, a drainage groove 8 is provided along the longitudinal direction of the housing 1, and the drainage groove 8 communicates with the drainage grooves 7, 7 shown in the first embodiment. That is, the drain groove is provided all around the LCD filter mounting portion 3. In this embodiment, the LCD is arranged so that water can be easily discharged from the drainage grooves 8 provided on the vertical surfaces 3b, 3b on both sides.
The vertical length of the side covers 2a, 2a of the filter 2 may be shorter than the length shown in the first embodiment. In this case, drainage of water or the like is blocked by the lower portions of the side covers 2a, 2a. Never.

Therefore, according to the present embodiment, water or the like that is about to enter the inside of the housing 1 can be received by the drain grooves 7, 7 and 8 and drained to the outside from the entire peripheral surface. Does not enter the inside of the housing 1 through the opening 4, and a very good waterproof structure can be obtained. Further, since the drain grooves 7, 7, 8 can be manufactured integrally with the housing 1 by molding or the like when manufacturing the housing 1, it is not necessary to use a separate member, and it is economically inexpensive.

Embodiment 3 FIG. 4 is an exploded perspective view showing a third embodiment of the present invention, and FIG. 5 is a longitudinal sectional view of an essential part showing a state in which a cover is attached. 10
Is a battery cover having a U-shaped cross section with side covers 10a and 10b on both sides, and 11 is a recessed battery cover mounting portion provided in the housing 12, and the battery cover 10 is detachably fitted in this recess. . Reference numeral 13 denotes a locking claw provided on the housing 12 side, which engages with a locking portion (not shown) provided on the battery cover 10,
The battery cover 10 is detachably fixed to the battery cover mounting portion 11. Reference numeral 14 is a battery housing portion for housing the battery 15 provided in the cover mounting portion 11 of the housing 12.

Reference numerals 17 and 17 denote drainage grooves formed integrally with the housing 12 so as to be continuous with the gaps 16 and 16 formed between the battery cover 10 and the battery cover mounting portion 11 when they are mounted. It is provided along 16, 16, that is, orthogonal to the longitudinal direction of the housing 12. And this drainage 1
The reference numerals 7 and 17 are formed substantially parallel to the flat surface portion 11a of the battery cover mounting portion 11 or inclined downward from the center of the flat surface portion 11a toward both sides, and are bent downward at right angles on both side vertical surfaces 11b and 11b. .

Next, the operation of this embodiment constructed as described above will be described. When water or the like is splashed on the vicinity of the battery cover 10 from the outside, the water or the like goes through the gap 16 between the battery cover 10 and the casing 12 toward the inside of the casing 12. However, the drainage grooves 17, 1 provided in the battery cover mounting portion 11
It is received by 7 and is discharged to the outside from both sides of the casing 12 through the drain grooves 17, 17 before it penetrates into the casing 12.

Therefore, according to this embodiment, water or the like does not enter the inside of the housing 12 through the battery housing portion 14 and a good waterproof structure can be obtained. Further, since the drain grooves 17, 17 can be manufactured integrally with the housing 12 by molding or the like when manufacturing the housing 12, there is no need to use a separate member, the manufacturing is easy, and the cost is economical. is there.

Embodiment 4 In the third embodiment, as shown in FIG. 4 and FIG.
7 are provided on both sides of the battery cover mounting portion 11 at right angles to the longitudinal direction of the housing 12, but in the present embodiment, the housing 12 is further provided below the both side vertical surfaces 11b, 11b of the battery cover mounting portion 11. A drain groove is provided along the longitudinal direction, and this drain groove communicates with the drain grooves 17, 17 shown in the third embodiment,
It is provided over the entire circumference of the battery cover mounting portion 11. In this embodiment, the vertical lengths of the side covers 10a, 10a of the battery cover 10 in the third embodiment are different from those of the third embodiment so that water can be easily discharged from the drains provided on the vertical surfaces 11b, 11b on both sides. It may be shorter than the length shown, in which case drainage of water or the like is not obstructed by the lower portions of the side covers 10a, 10a.

Therefore, according to this embodiment, water or the like does not enter the inside of the housing through the battery accommodating portion, and an excellent waterproof structure can be obtained. Further, since the drain groove can be manufactured integrally with the housing by molding or the like when manufacturing the housing, it is not necessary to use a separate member, and it is economically inexpensive.

Fifth Embodiment In the first to fourth embodiments, a filter (cover) made of a component different from the housing is attached to the mounting portion of the housing constituting the main body.
Although the case of detachably attaching is shown, in the present embodiment,
A cover is openably and closably attached to a housing constituting a main body via a hinge or the like. Then, the drainage groove is provided on the cover mounting portion of the fitting portion located on the side opposite to the hinge or the like so as to be orthogonal to the longitudinal direction of the housing. For this reason,
In the present embodiment, it can be used for a case that has a cover that needs to be opened and closed and is indispensable for waterproofing, such as a camera case. Therefore, according to this embodiment, water does not enter the inside of the housing, and a good waterproof structure can be obtained.

Embodiment 6 In the fifth embodiment, the drainage groove is provided in the cover mounting portion on the side opposite to the hinge so as to be orthogonal to the longitudinal direction of the housing, but in this embodiment, both sides of the cover mounting portion are further provided. A drain is provided in the lower part of the vertical surface along the longitudinal direction of the casing, and
In this embodiment, the cover attachment portion is surrounded by a U-shape so as to communicate with the drainage groove shown in the embodiment. In this example,
The vertical length of the side cover may be shorter than the length shown in the fifth embodiment so that water can be easily discharged from the drainage grooves provided on the vertical surfaces on both sides. Drainage is not blocked by the bottom of the side cover. Therefore, according to the present embodiment, it is possible to obtain a very good waterproof structure without water entering inside.

[0021]

As is apparent from the above description, according to the present invention, a groove portion is provided around the cover mounting portion of the housing in which the cover is removably or removably mounted on the cover mounting portion of the housing.
Water and the like that enter through the gap formed between the cover and the cover mounting portion are drained by the groove portion, so that the waterproofing is performed favorably. Further, since the groove portion can be integrally formed with the housing by molding or the like when manufacturing the housing, no other member is required, which is inexpensive and economical.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a first embodiment of the present invention.

FIG. 2 is a longitudinal sectional view of an essential part showing a state in which the cover of FIG. 1 is attached.

FIG. 3 is an exploded perspective view showing a second embodiment of the present invention.

FIG. 4 is an exploded perspective view showing a third embodiment of the present invention.

FIG. 5 is a longitudinal sectional view of a main part showing a state in which the cover of FIG. 4 is attached.

[Explanation of symbols]

 1, 12 Housing 2 LCD filter 3 LCD filter mounting part 4 Opening part 6,16 Gap 7,17 Drain groove 10 Battery cover 11 Battery cover mounting part 14 Battery storage part

Claims (4)

[Claims] 1. In a casing structure in which a cover is detachably attached to a cover attaching portion of a casing, a groove is provided around the cover attaching portion of the casing, and the groove is provided between the cover and the cover attaching portion. A watertight casing structure characterized in that water and the like that infiltrate through the gap created in the above are drained. 2. The waterproof casing structure according to claim 1, wherein a groove is provided in a part or the whole of the periphery of the cover mounting portion of the casing. 3. A housing structure in which a cover is openably and closably attached to a cover mounting portion of a housing by a hinge or the like, and a groove is provided around the cover mounting portion of the housing, and the cover and the cover mounting portion are formed by the groove. A watertight casing structure characterized in that water and the like that infiltrate through a gap formed between the watertight casing and the casing are drained. 4. The waterproof casing structure according to claim 3, wherein a groove is provided in a part or all of the periphery of the fitting portion of the cover mounting portion of the casing.