JPH07317459A - Shutting device for clearance of door - Google Patents

Abstract

PURPOSE:To make applicable even a door with different width, in the device wherein when a door is closed, a clearance between the lower end of the door and a floor surface is automatically blocked. CONSTITUTION:The device is composed of a frame 6 with an inverted U-shaped cross-section, a shutter member 7 liftably supported in the frame 6, an operating pin 8 supported by the frame 6 so as to extensibly protrude in horizontal direction from one end part of the frame 6, a spring forcing the pin 8 in the direction of protrusion, and linkage means converting' the retreating movement of the pin 8 to the lowering movement of the shutter member 7. The frame 6 is formed so as to be telescopically moved in the longitudinal direction. The shutter member 7 is made adjustable for its length by cutting, at the other end part on the side opposite to the one end part of the operating pin 8.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shutter device for a door gap which automatically closes a gap between a lower end of a door for opening and closing a doorway of a building and the floor side when the door is closed. It is a thing.

[0002]

2. Description of the Related Art A shutter device of this type has a structure in which outside air or dust enters the room through a gap between the lower end of the door and the floor side, which occurs when the door is closed, or conversely, the atmosphere in the room. Is used for the purpose of preventing leakage to the outside, and the shutter member supported in the frame so as to be able to move up and down, and the shutter member protruding from the one end of the frame so as to be able to move in and out in the horizontal direction. An operation pin supported by the frame, and a spring that urges the pin in the protruding direction,
The conventional shutter device of this type is manufactured to have a constant length according to the width of the door. However, it was not possible to divert the door to a slightly different door in the field, and it was necessary to manufacture a dedicated door for each door having a different width.

[0003]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, the features of which will be described with reference numerals of embodiments described later in parentheses. Shown is a vertical cross-section frame (6) and this frame
(6) A shutter member (7) that can be lifted up and down,
An operating pin supported by the frame (6) so as to project from one end of the frame (6) so that it can move horizontally in and out.
(8) and a spring that biases the pin (8) in the protruding direction.
(9) and interlocking means (10) for converting the backward movement of the pin (8) into the downward movement of the shutter member (7),
(6) is a shutter member that can be expanded and contracted in the length direction.
The feature (7) is that the length can be adjusted by cutting at the end opposite to the side where the operation pin (8) is present.

In practicing the present invention, the frame
(6), a long frame (6A) that reaches from the end on the side with the operation pin (8) to the vicinity of the other end, and a short frame (6B) having the same cross-sectional shape as this long frame (6A), Relay frame (6A) and short frame (6B) with both ends fitted inside
C) composed of long frame (6A) and short frame
(6B) has a mating part (6a) continuous in the lengthwise direction on the inner surface on both the left and right sides, and the relay frame (6C) is fitted to the mating part (6a). It is preferable that the left and right outer surfaces of the portion (6b) are continuously provided in the lengthwise direction, and the short frame (6B) is fixed to either the long frame (6A) or the short frame (6B).

Further, the shutter member (7) is integrally molded of a severable synthetic resin, and has a thick main body portion (7a) continuous in the longitudinal direction and a lower portion of the thick main body portion (7a). It can be composed of a pair of left and right thin-walled shutter portions (7b) continuously provided on the side.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to the accompanying drawings. In FIGS. 1 and 2, 1 is a door,
2 is a main body, and 3 and 4 are mounting plates. A groove 5 is engraved at the lower end of the door 1 over the entire width of the door. Body 2
Is a frame 6 having a vertical cross-section that fits in the groove 5 at the lower end of the door.
A shutter member 7 supported in the frame 6 so as to be able to move up and down; an operation pin 8 supported by the frame 6 so as to project from one end of the frame 6 so as to be able to move in and out in the horizontal direction; It comprises a spring 9 for urging the pin 8 in the projecting direction, and an interlocking means 10 for converting the backward movement of the pin 8 into the downward movement of the shutter member 7.

The main body frame 6 is made of aluminum or the like, and as shown in FIGS. 1 and 3, an elongated frame 6A extending from the end on the side where the operation pin 8 is located to the vicinity of the other end, and A short frame 6B having the same sectional shape as the long frame 6A, a long frame 6A and a short frame 6B
A long frame 6A and a short frame 6B each having a groove-shaped fitted portion 6a continuous in the lengthwise direction on its left and right inner surfaces. 6C has protrusion-shaped fitting portions 6b that fit into the fitted portion 6a continuously on the left and right outer surfaces in the lengthwise direction, and has an end portion on the long frame 6A side of the long frame 6A. It is fixed by screws 6c in a state of being fitted inside.

Therefore, the long frame 6A and the short frame 6B can be constructed by cutting the same aluminum molding material, and the short frame 6B is composed of the fitting portion 6b of the relay frame 6C and the short frame 6B. Fitted part 6
Along with sliding in the frame length direction with a, it can move only in the perspective direction with respect to the elderly frame 6A, and by this movement, the total length of the frame 6 can be adjusted to expand and contract within a certain range. Note that, for example, a locking screw whose tip faces the outer surface (for example, the upper surface) of the relay frame 6C is screwed into the short frame 6B, and after adjusting the total length of the frame 6 to expand or contract, the short frame 6B and the relay frame 6C are fixed. It can also be configured to be able to do so.

As shown in FIGS. 1C and 2, the shutter member 7 is integrally molded from vinyl chloride resin or the like so that it can be relatively easily cut by a cutter knife or the like. As shown in FIG. A thick main body having a groove-shaped cross section having a total length that can be stored in the main body frame 6 when the short length frame 6B of the main body frame 6 is pulled out to the relay frame 6C by the maximum amount to maximize the total length of the main body frame 6. It has a portion 7a and a pair of left and right thin-walled soft shutter portions 7b which extend downward from both left and right edges of the thick body portion 7a and whose lower end portion is curved inward. The pair of left and right thin-walled soft shutter portions 7b may hang down to each other in parallel to each other, or may be formed in a brush shape by making cuts at appropriate intervals.

As shown in FIG. 2, the interlocking means 10 is a strip-shaped plate 11 loosely fitted to the upper part of the long frame 6A of the main body frame 6 so as to be movable in the longitudinal direction of the main body frame 6.
And a flexible strip-shaped connecting member 1 for connecting two portions near both ends of the strip-shaped plate 11 and corresponding two portions of the shutter member 7.
2, 13 and the guide pins 14a, 1 erected in the long frame 6A for guiding the connecting members 12, 13.
4b and 15a, 15b. An end portion of the strip-shaped plate 11 on the side where the operation pin 8 is provided is bent downward at a right angle, and an inner end portion is fixed to the bent portion 11a, and a screw shaft protruding in the length direction of the main body frame 6 is provided. The screw hole 8 a of the operation pin 8 is screwed into the pin 16. The spring 9 is provided between the spring receiving member 18 fixed by the fixing pin 17 in the long frame 6A so as to support the strip-shaped plate 11 from below and the bent portion 11a of the strip-shaped plate 11. It is interposed so as to be externally fitted to a shaft portion 18 a protruding from 18.

The flexible belt-shaped connecting members 12 and 13 are molded from nylon resin or the like, and thick-walled mounting portions 12a, 12b and 13a, 13b are integrally molded at both ends thereof, and one mounting portion 12a, 13a is fixed to the lower side of the strip 11 by a screw 19, and the other mounting portion 12b,
13b is fitted into the thick main body portion 7a of the shutter member 7 and fixed by screws 20. Thus, the thin strip portions 12c and 13c between the both end mounting portions extend horizontally along the strip plate 11 from the mounting portions 12a and 13a on the strip plate 11 side, and then between the guide pins 14a and 14b and the guide pin 15a. , 15b, and vertically downward, and the shutter member 7 is suspended in a horizontal state via mounting portions 12b and 13b on the shutter member 7 side.

A pair of mounting plates 3 and 4 are provided on both end surfaces 1 of the door 1.
It is attached to a and 1b and covers both ends of the main body frame 6, that is, the outer end of the long frame 6A and the outer end of the short frame 6B. The wood screws 2 are attached to the end faces 1a and 1b of the door 1.
Wearing extension parts 3a, 4a fixed by 1, 2, etc.
And projecting portions 3b and 4b for fitting the outer end of the long frame 6A and the outer end of the short frame 6B in a removable manner in the frame length direction to support the outer ends of the frames 6A and 6B. I have it. These protrusions 3b and 4b are attached to the mounting plates 3 and 4
It may be integrally molded inside, or may be configured by fixing other members inside the mounting plates 3 and 4. A pin guide through hole 3c for supporting the operation pin 8 so that the operation pin 8 can be moved back and forth is formed in the protrusion 3b of the mounting plate 3 on the operation pin 8 side.
Is provided.

A rotation operation groove 8b into which a screwdriver or a coin is fitted is provided at the tip of the operation pin 8 protruding from the mounting plate 3. Also, the mounting plates 3 and 4
Although it has been described that the mounting plates 3 and 4 are attached to the end faces 1a and 1b of the door 1 to be fixed thereto,
The mounting plates 3 and 4 may be fitted and fixed in the recess formed in 1b so that the surfaces of the mounting plates 3 and 4 are flush with the end surfaces 1a and 1b of the door 1.

The shutter device constructed as described above is attached to the door 1 as follows. That is, the main body 2 (frame 6) is engraved in the groove 5 formed at the lower end of the door 1 over the entire width of the door 1, and the end portion on the side where the operation pin 8 projects as shown in FIG. It is internally fitted from below so as to be located on the end face 1a side close to the shaft 23. At this time, the outer end of the long frame 6A in the main body frame 6 (the side with the operation pin 8) is aligned with the end surface 1a of the door 1, and the side of the shutter member 7 opposite to the side with the operation pin 8 is provided. As shown in FIG. 3, the extra length portion 7X is cut and removed by a cutter knife so that the end portion of the short frame 6B fits within the width of the door 1, and the short frame 6B with respect to the relay frame 6C in the frame length direction. To the end face 1b of the door 1 so that the outer end of the short frame 6B is matched with the end face 1b. That is,
Match the entire length of the body frame 6 with the width of the door 6.

The body frame 6 whose length is adjusted as described above and which is fitted in the groove 5 of the door 1 has its lower end substantially aligned with the lower end of the door 1. In such a state, the operating pin 8 penetrates through the pin guide through hole 3c of the mounting plate 3 and the projection 3b.
Is attached to the outer end (one end surface 1a of the door 1) of the long frame 6A so as to be fitted into the end portion of the main body frame 6, and the fastening extension part 3a is fastened to the door end surface 1a with the wood screw 21. Further, the mounting plate 4 is applied to the outer end of the short frame 6B (the other end surface 1b of the door 1) so that the protrusion 4b thereof fits in the other end of the body frame 6, and the fastening extension 4a is attached to the wood screw 22.
Is fixed to the door end surface 1b.

When the door 1 to which the shutter device is attached as described above is in the open position as shown by the phantom line in FIG. 5, the projecting movement of the operating pin 8 by the biasing force of the spring 9 is restricted. Therefore, the strip plate 11 is at the forward limit position in the direction in which the operating pin 8 is projected by the spring 9, the operating pin 8 projects from the door end surface 1a by the maximum amount, and the shutter member 7 is formed in each flexible strip shape. Connection members 12, 1
As shown in FIG. 1C and FIG. Therefore, since the shutter member 7 (a pair of left and right thin-walled soft shutter portions 7b) does not project downward from the lower end of the door 1, the door 1 can be lightly opened / closed around the opening / closing hinge shaft 23.

When the door 1 is closed as shown by the solid line in FIG.
Immediately before reaching the closing limit position, the operating pin 8
A side frame 24 that rotatably supports an opening and closing hinge shaft 23.
It abuts against the side surface of (or a pillar) or the plate 25 fixed to the side surface with a wood screw or the like, and the operation pin 8 is pushed against the biasing force of the spring 9 as the door 1 is subsequently closed. . Therefore, as shown in FIGS. 4 and 6, the strip-shaped plate 11 moves backward to move the flexible strip-shaped connecting members 12, 1
3 is extended downward, the shutter member 7 is lowered accordingly, and a pair of left and right thin-walled soft shutter portions 7b are provided.
Comes into contact with the floor surface 26. That is, when the door 1 reaches the closed position, the shutter member 7 closes the gap between the lower end of the door 1 and the floor surface 25.

When the door 1 is opened, the shutter member 7 is lifted by the action opposite to the above in the initial stage of the opening operation, and the door 1 is opened.
It will be readily understood that a gap is formed between the lower end of the door and the floor surface 26 to allow the door 1 to be opened slightly. The amount of lowering of the shutter member 7 when the door 1 is closed is determined by the initial amount of protrusion of the operating pin 8 when the door 1 is open, and therefore, the gap between the lower end of the door 1 and the floor surface 26. When the width is wide, the operation pin 8 is rotated in the screw return direction, and the strip plate 11
The operating pin 8 is moved forward with respect to the screw shaft 16 on the side to increase the initial protrusion amount. Conversely, when the gap between the lower end of the door 1 and the floor surface 26 is narrow, the operating pin 8 is screwed in the screwing direction. Rotation operation to the screw shaft 16 on the strip plate 11 side, and the operation pin 8
May be moved in and out to reduce the initial protrusion amount.

In the above embodiments, the shutter device is used as the door 1.
Although it is installed at the lower end of the door, the shutter device can be externally attached to the lateral side of the lower end of the door 1 as shown in FIG. 7A. The details of this embodiment will be described with reference to FIGS. 7 to 9. Instead of the mounting plates 3 and 4, cover plates 30 and 31 for closing both ends of the main body frame 6 are used. Each of these cover plates 30 and 31 is a protrusion 3 of the mounting plates 3 and 4.
Although the same protrusions 30a and 31a as those of b and 4b are provided, as shown in FIG. 8 and FIG.
On both the left and right side surfaces of 1a, locking claws 30b, 31
b is integrally projected, and the protrusions 30a and 31a are fitted in the left and right sides of both ends of the main body frame 6 (the outer ends of the long frame 6A and the short frame 6B) in the frame length direction. When the cover plates 30, 3 are provided with the locked holes 32 with which the locking claws 30b, 31b for retaining are engaged.
Installation of 1 can be done with one touch.

Further, the spring receiving member 18 in this embodiment is provided with a groove 18b into which the strip-shaped plate 11 is slidably fitted in the frame length direction on the upper side, and the shutter member 7 is fitted in the left and right so as to be vertically movable. A pair of side plate portions 18c
Is provided on the lower side.

The main body frame 6 of the shutter device having the above structure is attached to the lateral side of the lower end of the door 1 by wood screws or the like. In this embodiment, one of the four wood screws 33a to 33d used for attachment is The third wood screw 33a is
Used in place of one of the pins 17 for fixing the spring receiving member 18 to the main body frame 6 (long frame 6A),
It penetrates the spring receiving member 18 and is screwed and fastened to the door 1. The second wood screw 33b is the flexible belt-shaped connecting member 12
Of the pair of guide pins 14a, 14b that guides the cylindrical guide pin 14a, and the third wood screw 33.
c is one of the pair of guide pins 15a and 15b that guides the flexible belt-shaped connecting member 13, and is one cylindrical guide pin 15a.
And are respectively screwed and fastened to the door 1. The fourth wood screw 33d is the protrusion 31a of the cover plate 31.
And is screwed and fastened to the door 1.

As described above, the main body frame 6 is attached to the lower end lateral surface of the door 1 by the wood screws 33a to 33d at the position where the spring receiving member 18, the cylindrical guide pins 14a and 15a, the cover plate 31, etc. are penetrated. In this case, it is not necessary to specially provide a mounting portion for the door 1 on the main body frame 6, and there is no possibility that the movement of the strip plate 11 and the shutter member 7 in the main body frame 6 is obstructed by the wood screw.

[0023]

According to the structure of the present invention which can be carried out as described above, the frame of the shutter device for closing the gap under the door which is installed inside the lower end of the door or externally attached to the lateral side surface of the lower end of the door. A shutter member (7) in which (6) is configured to be expandable and contractible and is supported by the frame 6 so as to be able to move up and down.
However, the length is adjustable by cutting at the end side opposite to the side with the operation pin (8), so the frame (6) and the shutter can be adjusted according to the width of the door to install this shutter device. The length of the member (7) can be adjusted. In other words, there is no need to manufacture a shutter device having a fixed length according to the width of the door, and one shutter device can be easily and easily applied to a plurality of types of doors having different widths, which helps to reduce costs. be able to.

In particular, according to the structure of claim 2, the frame
Not only can the expansion and contraction of (6) be performed easily and easily, but also the expandable and contractible frame (6) can be constructed at low cost. According to the structure of claim 3, since the shutter member (7) is composed of one component, the shutter member (7) can be easily adjusted in length by cutting, but the shutter member (7)
Can give the required strength.

[Brief description of drawings]

1A is a partially longitudinal side view of a main part showing a disassembled state before mounting a shutter device, FIG. 1B is a partially vertical side view showing a state where a shutter device is mounted, and FIG. It is an enlarged vertical front view.

FIG. 2A and FIG. 2B are vertical side views of respective parts when a door is opened.

FIG. 3 is a partially longitudinal side view illustrating adjustment of the lengths of the main body frame and the shutter member.

FIG. 4 is a vertical cross-sectional side view of each part when the door is closed.

FIG. 5 is a plan view of a main part.

FIG. 6 is a vertical cross-sectional front view with the door closed.

FIG. 7 is a vertical sectional front view of a main part showing another embodiment, and FIG. 7 is a side view of the same embodiment.

FIG. 8 is a vertical side view of the embodiment.

FIG. 9 is a cross-sectional plan view showing a main part of the embodiment.

[Explanation of symbols]

 1 Door 2 Main Body 3 Mounting Plate 4 Mounting Plate 5 Groove Formed at Lower End of Door 6 Frame with Vertical Gate Section 7 Shutter Member 7a Thick Main Body 7b Pair of Left and Right Soft Shutters 8 Operation Pin 9 Spring 10 Interlocking Means 11 band-shaped plate 12 flexible band-shaped connecting member 13 flexible band-shaped connecting member 14a guide pin 14b guide pin 15a guide pin 15b guide pin 16 screw shaft 18 spring receiving member 23 door opening / closing hinge shaft 24 side frame or column 25 plate 26 Floor

Claims (3)

[Claims] 1. A frame (6) having a vertical cross-section, and a shutter member (7) supported in the frame (6) so as to be able to move up and down.
And an operating pin (8) supported by the frame (6) so as to project horizontally from the one end of the frame (6), and the pin (8) is biased in the projecting direction. The spring (9) and the retracting movement of the pin (8) to the shutter member (7).
The frame (6) is expandable / contractible in the length direction, and the shutter member (7) is the side opposite to the side with the operation pin (8). A shutter device for a door gap, the length of which can be adjusted by cutting at the end of the door. 2. The frame (6) comprises a long frame (6A) reaching from the end on the side having the operation pin (8) to the vicinity of the other end, and a short frame having the same cross-sectional shape as the long frame (6A). Frame (6B)
And a relay frame (6C) whose both ends are internally fitted to the long frame (6A) and the short frame (6B).
A) and the short frame (6B) have mating parts (6a) continuous in the lengthwise direction on the inner surfaces on both the left and right sides, and the relay frame (6C)
Has a fitting part (6b) that fits into the fitted part (6a) continuously on the left and right outer surfaces in the length direction, and is either a long frame (6A) or a short frame (6B). The shutter device for a door gap according to claim 1, which is fixed to one side. 3. The shutter member (7) is integrally molded of a severable synthetic resin, and has a thick body portion (7a) continuous in the length direction and a lower portion of the thick body portion (7a). The shutter device for a door gap according to claim 1 or 2, comprising a pair of left and right thin-walled shutter portions (7b) continuously provided on the side.