JP3336484B2 - Sealing device for housing and door - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an opening in a housing and a sealing device at a side of the door pivotally connected to the opening near the pivot.

[0002]

2. Description of the Related Art A display case for exhibiting a collection at a museum or the like is required to have a high degree of hermeticity in order to protect valuable collections from dust and to be able to exhibit at an appropriate temperature and humidity. For this reason, various sealing measures are taken.

[0003] Among them, as a sealing measure of a door provided for taking in and out of a stored article, a sealing member made of silicon or soft rubber is usually attached to the periphery of an opening of a housing,
When the door is closed, the rear surface of the door comes into close contact with the sealing material so that the sealing performance is maintained.

[0004] A higher contact pressure between the rear surface of the door and the seal member is desirable from the viewpoint of enhancing the sealing performance. However, if the contact pressure is increased, the seal member near the pivotal portion of the door is easily peeled off.

[0005] For example, as shown in FIG.
An elastically bendable sealing member (03) is fixed to the front end face of one of the side plates (02), and one side of the door (04) is connected to a pair of upper and lower hinges (only the rotation center thereof) in front of the sealing member. When the door (04) is to be opened in a case where the door (04) is pivotally mounted with the symbol (0), as shown in FIG.
(0) from the corner portion after the outer, contrary to the original opening direction of the door (04) pivots backward, pushing inward causes the sealing member (03) larger buckled As a result, the seal member (03) is easily peeled, and the opening and closing of the door (04) is hindered.

[0006] For this reason, or those of the softer the seal member (03), and the elastic flexure allowance and large, or the sealing performance decreases, the seal member (03) is or Tsu Do a large, unsightly.

The present invention has been made in view of the above-mentioned problems of the prior art, and thus, the sealing member is not easily peeled off, the turning resistance of the door can be reduced, and the sealing performance can be improved without increasing the size of the sealing member. It is an object of the present invention to provide a housing and door sealing device that can be improved.

[0008]

According to the present invention, the above-mentioned problem is solved as follows. Immediately before one side of the opening of the housing, the door-equipped housing in which the door is pivoted such that the inner surface of one side of the door is located is one of the doors in which the door in the opening is pivoted. One of the side and the inner surface of the door facing it has a hollow cylindrical shape and the front
And an elastic flexure provided with a V-shaped concave groove over its entire length.
Providing a possible first sealing member, and also on the other,
When the door is closed, it fits into the groove on the front surface of the first seal member.
A second sealing member having a chevron-shaped tip portion is stopped.
Chakusu Ru.

[0009]

[Action] When the door is closed, the tip of the second seal member is pressed against the first sealing member which is elastically flexed to seal between the housing and the door.

When the door is opened, the second sealing member,1st sea
While a part of the sealing member is elastically bent,
To rotate, so that the entire tip of the first seal member is elastic.
Rotational resistance to the door compared to the conventional structure that bends
Is small and the first seal member may be peeled off.small
No.

[0011]

1 to 4 show an embodiment in which the present invention is applied to a display case used in a museum or the like. The display case includes a rectangular parallelepiped housing (1) having an open front surface.

[0012] top and bottom housing (1), the upper box portion formed by the steel plate (2) and Taibako part consists (3), between them, tempered glass or the like and both side surfaces and a rear surface An exhibition part (5) composed of a transparent plate (4) is formed.

In the front of the housing (1), between the upper box part (2) and the display part (5), and between the display part (5) and the base box part (3), they face in the left-right direction. horizontal reinforcing rod (6) (7) is bridged. A translucent ceiling panel (8) is provided at the lower part of the upper box section (2), and the lighting fixture (9) provided in the upper box section (2) displays the ceiling panel (8). The interior of the section (5) can be illuminated.

[0014] upper part of the base box portion (3) is the base plate (10) is provided, which is exhibits on its upper surface (not shown) to be placed.

Reference numeral (11) denotes a door which opens and closes the front of the exhibition section (5). Frames (13) and (13) are provided on the upper and lower edges of a transparent plate (12) such as tempered glass.
Fixing a, and when closed, the right side rear surface of the transparent plate (12) is,
So as to face the front end surface of the right transparent plate exhibition section (5) (4), a pair of upper and lower hinges fixed to the upper and lower frame members (13) (13)
(14) With (14) , it is pivotally attached to the upper and lower reinforcing rods (6) and (7).

Reference numeral (14a) in FIGS. 1A and 1B denotes the center of rotation of the door (11) by the hinge (14). This rotation center (1
4a), in the present embodiment, the side end surface (12a) of the transparent plate (12)
Although it is located inside the front surface (12b), it may be located at a different position, for example, outside the side end surface (12a).

On the front surfaces of the upper and lower reinforcing rods (6) and (7), seal bars made of an elastic body facing in the left-right direction and having a D-shaped cross section are provided.
(S1) is provided.

The front edge of the transparent plate (4) on both sides of the display part (5) has a D-shaped cross section, and a pair of the rear ends sandwich the front part of the transparent plate (4) from the left and right. A first sealing member (S2) (S2 ') , which is formed of an elastic body and is vertically connected, to which a holding piece (15) is continuously provided , is fitted from the front and fixed by an adhesive.

[0019] The seal bars (S1) and the first seal member
(S2) The material of (S2 ') is preferably, for example, a vinyl chloride resin or another soft synthetic resin, and in particular, the first seal member (S2)
(S2 ′) is preferably a transparent material.

As shown in FIGS. 1A and 1B, a first seal member (S2) fixed to the side closer to the hinge (14), that is, to the front edge of the transparent plate (4) on the right side. A V-shaped concave groove (16) is provided in the center of the front surface of the front panel over the entire length.

As clearly shown in FIGS. 1A and 1B,
The back of the V-shaped concave groove (16) of the first seal member (S2) is hollow.
The first seal member (S2) has a middle
It is hollow.

When the door (11) is closed, the side rear surface of the transparent plate (12) facing the concave groove (16) has a rearward-facing mountain shape .
One tip is to fit in the groove (16), the second sealing member of the cross-section isosceles triangular rigid (S3) is affixed by adhesive. The second sealing member (S3) is also preferably formed of a transparent material.

The above-mentioned concave groove (16) is provided in the first seal member (S2 ') fixed to the side portion remote from the hinge (14), that is, to the front edge of the transparent plate (4) on the left side. not, the front end surface of the arc-shaped, direct door
The transparent plate (12) of (11) is pressed against the rear surface (therefore , the second seal member (S3) is not provided) . Only
In the same manner as the first seal member (S2) on the right side, a concave groove (16) is provided, and a mountain-shaped tip of the second seal member (S3) fixed to the rear surface of the free end of the transparent plate (12). May be fitted.

As shown in FIG. 1 (A), it is-out <br/> and closed the door (11), the tip of the second seal member (S3) is the first sealing member (S
It fits so as to be pressed against the concave groove (16) of ( 2), and the seal between the right side of the housing (1) and the right side of the door (11) is reliably achieved.

The rear surface of the transparent plate (12) is pressed against the arc-shaped portions of the front surface of the seal bar (S1) and the first seal member (S2 ') on the left and upper and lower portions of the door (11). As a result, the seal is reliably achieved, and the front opening of the display section (5) is securely sealed.

[0026] When you open the door (11), the rear surface of the transparent plate (12), shea
1 (B) while gradually separating from the first seal member (S1) and the first seal member (S2 ') .
As shown in FIG. 5, only the left portion of the groove (16) at the front of the first seal member (S2) passes through the first seal member (S2) by slightly elastically deforming the first seal member (S2). ) The transparent plate
(4) or is peeled from abrading the first sealing member (S2)
All it is rather small, the small is also resistance to the rotation of the door (11) that
Please.

When closing the door (11), the second seal member (S3)
Of the first seal member (S2)
The second sealing member is formed by only slightly elastically bending the front left portion of the
The tip of (S3) fits into the concave groove (16), and a reliable seal is performed as described above.

A lock device (17) having a tightening function is provided at the upper and lower portions of the door (11). After the door (11) is closed,
A detachable operating handle (18) is attached to each lock device (17), and its operating piece (19) is rotated by a required angle, and the tip of the operating piece (19) is connected to the upper box (2) and the base. The door (11) can be locked in a tightened state by engaging with a front inclined plate (20) provided at an appropriate position in the front part of the box (3).

The front end opening of the upper box (2) can be closed by an upper door (21) having an upper end pivotally mounted on the upper part thereof. The upper end of (11) and the upper hinge (14) are covered. (22) is the upper door
(21) is a known center-bend type stay that holds an open state to a horizontal position.

The front end opening of the base box (3) is a detachable lower door.
(23). In addition, by this lower door (23),
The lower end of the door (11) and the lower hinge (14) are covered.

Therefore, in order to open the door (11), the upper door (21) and the lower door (23) must be opened before that, and the front doors (11), (21), (23) must be opened. If the door (11) is closed normally and the upper door (21) and the lower door (23) are locked (not shown), it becomes impossible to open the door (11), so that the antitheft property is extremely good.

In the above embodiment, the groove (16) is provided on the front surface of the first seal member (S2). However, the door (11) is not provided without such a groove. When closed, the front end of the second seal member (S3) elastically bends rearward substantially at the center of the front surface of the first seal member (S2) and presses against it , opening the door (11) and opening the second seal member. (S3) is at a distance from the first seal member (S2), the front portion of the first seal member (S2) may be restored in an arc shape or the like.

Further, the first seal member (S2) is placed on the door (11) side,
Further, the second seal member (S3) may be provided on the housing side. Second
The shape of the tip of the seal member (S3) may be a knife edge, a mountain with a slightly rounded tip, a trapezoid, or a semi-arc.

The above embodiment is an example in which the present invention is applied to a display case. However, the present invention can be applied not only to a display case but also to a sealing structure between a case and a door which require confidentiality. it can.

[0035] At that time, all of the upper, lower, left and right edge of the opening of the housing, is disposed a first seal member like the first seal member described above (S2), of the rear surface of the door opposite to them On the edge,
The second seal member (S3) may be provided so as to be continuous with the mouth shape.

[0036]

According to the present invention, the following effects can be obtained.
Can be (A) When the door is closed, the tip of the second seal member is
It presses against the first elastically bendable seal member, and the housing and the door
The space can be strongly sealed. That is, conventionally
If the door is not crimped strongly, the sealing may be incomplete.
However, the second seal member is provided, and the first seal member is provided at the tip thereof.
The contact area is small because
Increase the surface pressure and increase the sealing effect when the door is closed.
Can be. When the door is opened, the second seal member
The tip is a part of the front end of the first seal member,
The part where the tip of the second seal member is engaged when closed
From,The side end in the direction in which the tip end of the second seal member moves.
Only by slightly elastically deforming the part at
As it can rotate, the first seal member is peeled from the housing or door
And wear of both seal members may occur.small
And the resistance to door rotationsmall.

[0037] (b) a distal end portion of the second seal member and Yamagata
Therefore , the press-contact force with the first seal member is concentrated on the tip portion, and the sealing effect can be further enhanced .

[0038] (c) a first sealing member, when the hollow cylinder, at the time of opening and closing the door, the tip portion of the second seal member, it is possible to smoothly slide relative to the first sealing member, the first fear of peeling and wear of the sealing member is small, and rotational resistance of the door has small.

(D) The hollow cylindrical first seal member includes:
Since a concave groove is provided so that the distal end of the second seal member is fitted when the door is closed, a check function for holding the door in the closed state can be provided, and wear and tear of the first seal member can be reduced. The risk of breakage is small.

[Brief description of the drawings]

FIG. 1 is a cross-sectional plan view of a main part of a display case to which the present invention is applied, showing a state (A) when a door is closed and a state (B) when a door is being opened.

FIG. 2 is an external perspective view of the display case.

FIG. 3 is a front view when all doors are opened.

4 is an enlarged vertical sectional side view taken along the line IV-IV of FIG. 3;

FIG. 5 is a cross-sectional plan view showing a state (A) when the door is closed and a state (B) when the door is about to be opened in the conventional sealing device for the housing and the door.

[Explanation of symbols]

(1) Housing (2) Upper box (3) Base box (4) Transparent board (5) Exhibition section (6) (7) Reinforcement rod (8) Ceiling board (9) Lighting equipment (10) Base board (11) Door (12) Transparent plate (12a) Side end face (12b) Front (13) Frame material (14) Hinge (14a) Center of rotation (15) Clamping piece (16) Groove (17) Lock device (18) Operating handle (19) Actuating piece (20) Front inclined plate (21) Upper door (22) Stay (23) Lower door (S1) Seal bar (S2) (S2 ') First seal member (S3) Second seal member

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int. Cl. ⁷ , DB name) A47F 3/00-3/14 F16J 15/10 E06B 7/00-7/34

Claims (1)

(57) [Claims] 1. A door-equipped housing in which a door is pivotally mounted such that an inner surface of one side of the door is located immediately before one side of an opening of the housing, wherein the door at the opening is pivotally mounted. And one side of
One of the inner surfaces of the door facing it, a hollow cylindrical
And a V-shaped front, over its entire length.
Providing an elastically bendable first seal member provided with a concave groove;
In the other, when the door is closed, the front of the first sealing member is closed.
Has a chevron shaped tip that can fit into the concave groove on the surface
A housing and a door sealing device wherein a second seal member is fixed .