JPH11238407A - Manufacturing method of waterproofing mechanism, packing for waterproofing, and waterproofing mechanism - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method for manufacturing a waterproofing mechanism, a waterproofing packing, and a waterproofing mechanism that can obtain a good waterproofing effect and prevent the waterproofing packing from coming off or being damaged. With the goal. SOLUTION: In a method for manufacturing a waterproof mechanism for connecting a frame 1 and a connecting member 5 connected to the frame 1 using a waterproof packing 10, after fixing the frame 1 and the connecting member 5, the waterproof packing 10 is connected. Attach.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof mechanism mainly used for electronic equipment such as a display device such as an LED and an LCD which can be used outdoors, and a method of manufacturing the same.

[0002]

2. Description of the Related Art Conventionally, an LED display device or the like installed outdoors has been provided with a waterproof mechanism because it may be exposed to the wind and rain and water may enter the interior. Here, a description will be given of a waterproof mechanism in which a display device using LEDs is housed as a waterproof mechanism.

FIG. 11 is a perspective view showing a schematic structure of a waterproof mechanism in which an LED display device is housed. As shown in FIG. 11, corner cabinets 5, 6, 7, which are connection members for surrounding the upper, lower, left, and right sides with frames 1, 2, 3, 4, made of aluminum or the like, and connecting the four corners thereof. , 8 are arranged, the entire surface panel 9 is arranged on the display surface, a back plate (not shown) is arranged on the back, and an LED display panel (not shown) is housed inside. A corner packing for waterproofing is arranged between the frames 1, 2, 3, 4 and the corner cabinets 5, 6, 7, 8.

Next, a conventional method of manufacturing the corner packing peripheral portion will be described. Here, since the same is true at each of the four corners, only the connection portion between the frame 1 and the corner cabinet 5 is shown in FIG.
This will be described with reference to FIGS.

[0005] First, as shown in the perspective view of the main part of FIG.
The corner packing 20a having a curved shape is attached to the corner packing fixing recess 5e of the corner cabinet 5, and the straight packings 20b and 20c are attached to the left and right sides of the straight portion of the corner cabinet 5 continuous to the end of the corner packing 20a. . Usually, a double-sided tape is previously attached to the bonding surfaces of the linear packings 20b and 20c, and the linear packings 20b and 20c are bonded to the corner cabinet 5 by the double-sided tape.

The state when the corner packing 20a is attached to the corner cabinet 5 at this time is as follows.
FIG. 13A is a cross-sectional view of a main part, and FIG. 13B is a partially enlarged view of a region A in FIG.

[0007] Then, as shown in the perspective view of the main part of FIG. 14, the corner cabinet 5 is attached to the fixing plate 11 using screws 12.

[0008] Then, the frame 1 is attached to the fixing plate 11 using screws 13. At this time, the packing 20a,
The length B (see FIG. 13B) of the portion where 20b and 20c protrude from the corner cabinet 5 is the frame 1
The gap is set to be several millimeters longer than the gap created when the corner cabinet 5 is fixed. Therefore, if the frame 1 is to be fixed to the fixing plate 11 to which the corner cabinet 5 is fixed as it is, the packings 20a, 20b, 20c may come off due to the packings 20a, 20b, 20c.

Therefore, when attaching the frame 1 to the fixing plate 12, the frame 1 is applied to the packings 10, 11, and the packings 20a, 20b, 20c are crushed while being crushed.
The frame 1 was attached and fixed with screws 13. Then, FIG. 15A and FIG.
As shown in FIG. 15B, which is a partially enlarged view of the area A in FIG. 15A, the packing 20a is crushed between the frame 1 and the corner cabinet 5, so that a waterproof effect can be exhibited.

[0010]

However, the above-mentioned prior art has the following problems. As described above, when the frame 1 is attached to the fixing plate 11, the length of the portion where the packings 20a, 20b, 20c protrude from the corner cabinet 5 is set to be longer in advance, and the packings 20a, 20b are crushed. , The frame 1 was attached. However, at this time, if the packing is not sufficiently crushed, for example,
As shown in FIG. 16, the packing 20a was not sufficiently crushed, and a portion where the contact area between the packing 20a and the frame was reduced was formed, and the waterproof effect was sometimes significantly deteriorated. In FIG. 16, (a) is a sectional view of a main part,
(B) is a partially enlarged view of a region A of (a).

Further, when the frame 1 is mounted, not only the waterproof effect is deteriorated, but also the packing 20a is detached from the packing fixing recess 5e of the corner cabinet 5, or the packing 20a is damaged. In some cases, it was necessary to start over from the process of attaching the packing to the corner cabinet again.

The present invention has been made in order to solve the above-mentioned problems, and has provided a good waterproof effect.
An object of the present invention is to provide a method for manufacturing a waterproof mechanism, a waterproof packing, and a waterproof mechanism that can prevent the waterproof packing from being detached or damaged.

[0013]

According to the first aspect of the present invention, there is provided a waterproof mechanism for connecting a frame and a connecting member connected to the frame using a waterproof packing. In the method, the waterproof packing is attached after the frame and the connecting member are fixed.

According to the first aspect of the present invention, unlike the above-mentioned prior art, the waterproof packing is attached after the frame and the connecting member are fixed to the fixing member, so that the waterproof effect is deteriorated. , And the waterproof packing can be prevented from being detached or damaged.

Further, according to a second aspect of the present invention, there is provided a waterproof packing used in the method for manufacturing a waterproof mechanism according to the first aspect, wherein the packing comprises a core made of stainless steel, a spring material, or the like. It has an outer peripheral portion made of an elastic body having elasticity such as silicon rubber, and has a substantially semicircular curved portion and straight portions integrated at both ends of the curved portion.

According to the invention described in claim 2, according to claim 1
By adopting the waterproof packing suitable for the method of manufacturing the waterproof mechanism described in (1), the waterproof packing can be easily and reliably attached, and the workability can be greatly improved. Further, unlike the above-mentioned conventional technology, since the waterproof packing is integrated into a single component, the number of components can be reduced and the cost can be reduced.

Further, according to the third aspect of the present invention, in the waterproof packing according to the second aspect, the both end portions are provided with protrusions protruding inward.

According to the invention described in claim 3, according to claim 2,
Since the waterproof packing described in (1) has protrusions protruding inward at both ends, the waterproof packing can be fixed more securely, and the waterproof packing should be prevented from coming off due to vibration after installation. Becomes possible.

According to a fourth aspect of the present invention, there is provided a waterproofing mechanism manufactured by the method for manufacturing a waterproofing mechanism according to the first aspect, wherein the LED display device is housed inside.

According to the invention described in claim 4, according to claim 1,
Since the LED display device is housed inside the waterproof mechanism, a good waterproof effect can be realized at a low manufacturing cost especially in the LED display device which is a display device used outdoors.

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In the following description, the same reference numerals are used for the same components as those of the above-described conventional technology. Further, in the present embodiment, a case where the LED display device is housed inside will be described. However, the present invention is not limited to this, and the present invention is applied to a display device such as an LCD and other electronic devices. It is possible.

The appearance of the waterproofing mechanism of this embodiment is the same as that of the above-described prior art described with reference to FIG. 11, and a description thereof will be omitted.

The method for manufacturing the waterproof mechanism of the present embodiment is shown in FIG.
As shown in the perspective view of the main part, first, the corner cabinet 5 as the connecting member is fixed to the fixing plate 11 as the fixing member by fixing it with the screw 12, and the frame 1 is fixed to the fixing plate 11 with the screw 13. I do. In this state, the gap between the frame 1 and the corner cabinet 5 is equivalent to that of the above-described conventional technology.

Here, as shown in FIG. 2A which is a perspective view of a main part of a connection portion of the corner cabinet 5, and FIG. 2B which is a partially enlarged view of a region A in FIG. If the projections 5a for positioning the waterproof packing 10 are provided in the corner cabinet 5 in advance, the arrangement position of the waterproof packing 10 can be easily determined, and workability is improved. In addition, corner cabinet 5
3A and 3A, which are sectional views of a main part of a connection portion of FIG.
As shown in FIG. 3B, which is a partially enlarged view of the area A in FIG. 3A, even when the concave portion 5b is provided at the position where the waterproof packing 10 is arranged, the arrangement position of the waterproof packing 10 is easily determined. And workability is improved.

Thereafter, as described above, the waterproof packing 10 is inserted between the frame 1 fixed to the fixing plate 11 and the corner cabinet 5 to complete the manufacture of the waterproof mechanism of the present embodiment.

FIGS. 4 and 5 show the connection between the frame 1 and the corner cabinet 5 after the waterproof packing is mounted in the waterproof mechanism manufactured as described above. 4A and 4B are views showing a structure provided with the protruding portion 5a described with reference to FIG. 2, wherein FIG. 4A is a sectional view of a main part thereof, and FIG. 4B is a region A in FIG. FIG. FIG. 5 is a view showing a structure provided with the concave portion 5b described with reference to FIG. 3, wherein FIG. 5 (a) is a cross-sectional view of a main part thereof, and FIG. 5 (b) is a region of FIG. It is the elements on larger scale in A.

In each of FIGS. 4 and 5, the waterproof packing 10 is in a state where it is squashed between the frame 1 and the corner cabinet 5, and
A good waterproofing effect was obtained, and the waterproofing packing could be attached more easily than the above-mentioned conventional technique without the waterproofing packing coming off or being damaged.

Next, the waterproof packing 10 used in the present embodiment will be described in detail. As shown in FIG.
The shape of the waterproof packing 10 includes a substantially semicircular curved portion and a straight portion integrated at both ends thereof, as in the prior art described above, in which the curved portion and the straight portion are separated from each other. Not something. As shown in the sectional view of FIG. 6, the waterproof packing 10 has a core 10a made of a metal material such as stainless steel or a spring material, and an outer periphery of the core 10a formed by an elastic body having elasticity such as silicon rubber. And an outer peripheral portion 10b formed so as to cover the peripheral portion 10b.

According to such a waterproof packing 10,
In the method of manufacturing the waterproofing mechanism as described above, it can be easily and reliably mounted, and the workability has been greatly improved. Further, unlike the above-mentioned conventional technology, since the waterproof packing is integrated into a single component, the number of components can be reduced and the cost can be reduced.

Further, in the waterproof packing 10 of the present embodiment, a circular pin (having a circular cross section) is adopted for the core 10a, but the present invention is not limited to this. May be used.

FIG. 7 shows a waterproof packing having a core made of a flat plate. 7A is a plan view, FIG.
(B) is a side view, and (c) is a partially enlarged sectional view in a region A of (b). The waterproof packing 14 is formed by processing a flat plate made of a metal material such as stainless steel or a spring material to form a core portion 14a to cover the periphery of the core portion 10a with an elastic body having elasticity such as silicon rubber. The portion 14b is formed.

In the case of the waterproof packing 14 shown in FIG.
Since the waterproof packing itself has a flat plate shape, the insertion distance becomes long. Therefore, it is desirable that the end portion be formed in a wedge-like shape as shown in FIG. 7C, and such a waterproof packing 14 is attached. The connecting portion between the frame 1 and the corner cabinet 5 of the later waterproof mechanism is as shown in FIG. In FIG. 8, (a) is a sectional view of a main part,
FIG. 2B is a partially enlarged view of a region A in FIG.

With the waterproof packing 14 shown in FIG. 7, as in the case of the waterproof packing 10 described above, it can be easily and reliably mounted, and the waterproof effect is equally good.

If there is a concern that the packing may come off due to vibration or the like after attaching the waterproof packing,
It is desirable to provide a projection as shown in the perspective view of FIG. That is, the waterproof packing 15 shown in FIG. 9 is provided with a projection 15a by bending both ends of the straight portion inward and protruding to prevent the waterproof packing 15 from coming off after the waterproof packing 15 is attached. Can be. In the case where the waterproof packing 15 provided with the projections 15a is used, as shown in FIG. 10, a concave portion for hooking and fixing the projections 15a is provided on each of the entire panel 9 and the back plate 16. It is good.

The waterproof packing 1 shown in FIGS. 9 and 10
According to 5, even after the waterproof packing is attached, the packing can be prevented from coming off due to vibration or the like.

The waterproofing mechanism of the present embodiment as described above has an LED display device housed inside, and a good waterproofing effect can be obtained even when used outdoors.

[0037]

As described above, according to the first aspect of the present invention, unlike the above-mentioned prior art, after the frame and the connecting member are fixed to the fixing member, the waterproof packing is attached. Therefore, it is possible to prevent the waterproofing effect from deteriorating and prevent the waterproofing packing from being detached or damaged.

Further, according to the second aspect of the present invention,
By adopting the waterproof packing suitable for the method of manufacturing the waterproof mechanism according to the first aspect, the waterproof packing can be easily and reliably attached, and the workability can be greatly improved. Further, unlike the above-mentioned conventional technology, since the waterproof packing is integrated into a single component, the number of components can be reduced and the cost can be reduced.

According to the third aspect of the present invention,
The waterproof packing according to claim 2 is provided with projections protruding inward at both ends, so that the waterproof packing can be more securely fixed, and the waterproof packing can be prevented from coming off due to vibration or the like after mounting. It becomes possible to waterproof.

According to the fourth aspect of the present invention, since the LED display device is housed inside the waterproof mechanism of the first aspect, particularly in the LED display device used outdoors. A good waterproof effect can be realized at a low manufacturing cost.

[Brief description of the drawings]

FIG. 1 is a perspective view of a main part showing a connection portion between a frame and a corner cabinet for explaining a method of manufacturing a waterproof mechanism according to an embodiment of the present invention.

2A is a perspective view of a main part showing a connection portion of a corner cabinet provided with a projection, and FIG. 2B is a partially enlarged view of a region A in FIG.

3A is a cross-sectional view of a main part showing a connection portion of a corner cabinet provided with a concave portion, and FIG. 3B is a partially enlarged view of a region A in FIG.

4A and 4B are views showing a state after a waterproof packing is attached when a projection is provided on the corner cabinet shown in FIG. 2, wherein FIG. 4A is a sectional view of a main part, and FIG. 4B is a region of FIG. It is the elements on larger scale in A.

5A and 5B are views showing a state after attaching a waterproof packing in a case where a recess is provided in the corner cabinet shown in FIG. 3, wherein FIG. 5A is a sectional view of a main part, and FIG.
FIG.

FIG. 6 is a sectional view of a waterproof packing.

FIGS. 7A and 7B are views showing a waterproof packing composed of a flat plate core, where FIG. 7A is a plan view, FIG. 7B is a side view, and FIG.
FIG. 4 is a partially enlarged cross-sectional view in a region A of FIG.

8A and 8B are views showing a state after the waterproofing packing is attached in the case of the waterproofing packing composed of the core of the flat plate shown in FIG. 7, wherein FIG. FIG.

FIG. 9 is a view showing a waterproof packing in which protrusions are provided at both ends of a linear portion.

FIG. 10 is a view showing a state after attaching a waterproof packing provided with projections at both ends of the straight portion shown in FIG. 9;

FIG. 11 is a perspective view of a main part showing an appearance of a waterproof mechanism in which an LED display device is housed.

FIG. 12 is a perspective view of a main part showing a connection portion with a corner cabinet for explaining a method of manufacturing a conventional waterproof mechanism.

13A is a cross-sectional view of a main part showing a state in which packing is attached to a corner cabinet in a conventional method of manufacturing a waterproof mechanism, and FIG. 13B is a partially enlarged view of a region A in FIG.

FIG. 14 is a perspective view of a main part showing a connection portion between a frame and a corner cabinet for explaining a method for manufacturing a conventional waterproof mechanism.

15A and 15B are views showing a state after a waterproof packing is attached in a conventional method of manufacturing a waterproof mechanism, wherein FIG. 15A is a cross-sectional view of a main part, and FIG. .

16A and 16B are views showing a state after a waterproof packing is attached in a conventional method for manufacturing a waterproof mechanism, wherein FIG. 16A is a cross-sectional view of a main part, and FIG. .

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Frame 5 Corner cabinet 10, 14, 15 Waterproof packing 10a, 14a Core 10b, 14b Outer peripheral part 11 Fixing plate 15a Projection

Claims (4)

[Claims] 1. A method for manufacturing a waterproof mechanism for connecting a frame and a connecting member connected to the frame using a waterproof packing, wherein the waterproof packing is attached after fixing the frame and the connecting member. Manufacturing method of the waterproof mechanism. 2. A waterproof packing used in the method for manufacturing a waterproof mechanism according to claim 1, wherein the elastic member is made of stainless steel, a spring material or the like, and has elasticity such as silicon rubber covering the core. A waterproof packing comprising: an outer peripheral portion formed of a body; a substantially semicircular curved portion; and straight portions integrated at both ends of the curved portion. 3. The waterproof packing according to claim 2, wherein both end portions are provided with protrusions projecting inward. 4. A waterproofing mechanism manufactured by the method for manufacturing a waterproofing mechanism according to claim 1, wherein an LED display device is housed inside.