JPH0717755Y2 - Door seal device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement of a door sealing device for reliably sealing the interior of a room.

In a well-conditioned building or the like, air may circulate even in a small gap between closed doors, which may cause problems. When the door is closed, especially in a hinged door, the lower side of the door may be difficult to seal by the sealing material fixedly attached to the door itself or the door frame.

As an example of a conventional sealing device used in such a case, a sealing member movably mounted on an edge portion of a door is connected to an operating rod that operates according to an opening / closing action of the door and the operating rod. The leaf spring material may be one that is automatically projected from the edge portion of the door. However, such a door sealing device has a problem in terms of reliability of sealing or durability in long-term use, since the sealing member is directly projected and inserted by elastic deformation of the leaf spring material. However, if the stroke of the protrusion of the seal member is long (for example, if the gap between the door and the floor in contact with the seal member is large), it becomes difficult to use the seal member.

The door sealing device according to the present invention includes: A. A hollow frame 2 mounted along the edge of the door 1.
B. The frame 2 is provided with an action rod 3 which is displaceable along the longitudinal direction thereof, and a screw is provided at the tip of the action rod 3 to screw an adjusting piece 10 of the projecting length for adjustment. Compression spring 11 to prevent the piece 10 from rotating
And the tip 3a of the adjusting piece 10 is to be projected from the edge of the door 1 when the door 1 is opened. C. The action rod 3 is urged to project the tip 3a outward. D. Providing a return spring 7 for controlling the frame body 2. D. Providing a seal member 12 on the frame body 2 which can move in and out in a direction substantially perpendicular to the longitudinal direction of the frame body 2, E. Intermediate of the frame body 2 in the longitudinal direction One rocking piece 14 is pivotally attached to the section. F. The rocking piece 14 is formed in a shape having a large lever ratio (L / l), and one end of the rocking piece 14 has a base end side 3b of the working rod 3. And the inner side of the seal member 12 is engaged with the other end.

The present invention will be described below based on embodiments shown in the drawings.

1 is a hinged door type, 1a is an end face on the open side, 1b
Is the end face on the hinge side. Reference numeral 2 denotes a hollow apparatus frame body that is attached to the lower end side portion of the door 1 and other end side portions 1c over the entire length, and is formed, for example, in a U-shaped cross section. 2a is frame 2
It is a partition integrally provided on the inner surface of the. Such a frame 2
May be provided with a mounting groove 1d at the center of the end face of the door 1 and fixed with a screw or the like (not shown) as in the illustrated example, but the groove is offset to one surface of the door 1. It is also possible to provide the door 1 without providing a groove for the door 1,
The frame body 2 can also be fixed so as to project from the outer surface of the door 1.

In the frame body 2, a working rod 3 is provided so as to be displaceable along the longitudinal direction thereof. In the illustrated example, the operating rod 3
Are loosely fitted and supported by insertion holes provided in the positioning piece 4 and the fixed hollow intermediate member 5, which are fitted and inserted in the frame body 2. In FIG. 2, reference numeral 6 is a screw for fixing the frame body 2 and the intermediate member 5. Tip 3a of action rod 3
Is projected from one end side of the door 1, that is, one end surface 1b, and the base end side 3b extends into the hollow intermediate member 5. The tip 3a of the operating rod 3 is brought into contact with the door frame, that is, a frame (not shown) when the door 1 is closed. A suitable seat plate may be provided on the door frame side in order to prevent the damage and smooth the contact action.

Reference numeral 7 denotes a coil-shaped compression return spring which is inserted around the operating rod 3 and urges the tip 3a of the operating rod 3 so as to project outward. Both ends of the return spring 7 are connected to the operating rod 3 It is restrained by a stop piece 8 provided on the above and a washer 9 provided at the entrance of the intermediate member 5. A screw is provided at the tip of the operating rod 3 and the adjusting piece 10 having a protruding length is screwed. Reference numeral 11 is a compression spring for preventing the rotation.

Further, a seal member 12 having substantially the same length as that of the frame body 2 is attached to the frame body 2 so as to be able to move in and out. This seal member 12
Is a movable frame 12a, a rubber-like elastic seal 12b, and an auxiliary seal 12
It is composed of c and can be displaced in a direction substantially perpendicular to the longitudinal direction of the frame body 2, and when the door 1 is closed, it closes the gap d between the edge 1c of the door 1 and the floor surface 13. .

Next, a related configuration between the base end side 3b of the working rod 3 and the seal member 12 will be described. Reference numeral 14 is a rocking piece pivotally attached with a pin 15 to an intermediate member 5 fixed to an intermediate portion in the longitudinal direction of the frame body 2. As shown in FIG. 3, a long hole 21 is provided near the tip of the rocking piece 14, a pin 20 provided on a mounting piece 18 is engaged with the long hole 21, and the other end of the rocking piece 14 is connected to a connecting piece 16. It is linked to the pin 17 provided on the. When the distance between the pin 15 and the pin 20 is L and the distance between the pin 15 and the pin 17 is 1, the rocking piece 14 is formed in a shape having a large leverage (L / l). In the illustrated example, the swinging piece 14 is pivotally attached to the frame body 2 via the intermediate member 5 for the convenience of manufacturing or assembling, but it may be directly pivotally attached to the frame body 2. Then, the base end side 3b of the operating rod 3 is movably engaged with one end of the swinging piece 14 by a pin pivot 17 or the like via a connecting piece 16 fixed to the operating rod 3. Further, the other end of the swing piece 14 is movably engaged with the inner side of the seal member 12 via a mounting piece 18 fixed to the seal member 12. In FIG. 2, reference numeral 19 indicates
Inner side of the mounting piece 18 and the seal member 12, that is, the movable frame 12a
Shows bolts and nuts for fixing and.

The operation of the door sealing device of the present invention having the above-described structure will be described.

When the door 1 is closed and the tip 3a of the operating rod 3 comes into contact with a door frame (frame) (not shown), the operating rod 3 enters the back side against the return spring 7, and the swinging piece 14 is pinned to the pin 15. The center of rotation is used to swing and displace to the position indicated by the chain line. At this time, the operating rod 3
The distance between the pin 17 on the connecting piece 16 fixed to the base end side 3b of the above and the pin 15 on the fixed intermediate member 5 slightly changes before and after the action, but the difference is, for example, Since the action rod 3 and the connecting rod 16 are released by bending of the connecting rod 16 or play of assembling the connecting rod 16 and the rocking piece 14, the tilting displacement of the rocking piece 14 is not hindered.

With the displacement of the swing piece 14, the seal member 12 engaged with the other end through the mounting piece 18 is pushed outward (downward), and when the door 1 is closed, the door 1 Edge part 1c
The space d between the floor and the floor 13 is sealed. The other end of the swing piece 14 and the inner side of the seal member 12, that is, the mounting piece
In the engagement relationship with the 18, the pins 20 and the curved long hole 21 are linked between them. This configuration plays a role of preventing the seal member 12 and the frame body 2 from being displaced in the length direction before and after the projecting and inserting action of the seal member 12, and the other one. At the final stage of closing the door 1, the projecting action of the seal member 12 becomes gradual,
It plays a role of preventing the drag action of the seal member 12 on the floor surface 13. The combination of the pin 20 and the long hole 21 can achieve the function according to the above even if the combination of the pin and the large hole (stupid hole) is changed when the accuracy is not so required. In the illustrated example, the pin 20 is fixed to the mounting piece 18, and the curved long hole 21 is formed in the swinging piece 14.

When the door 1 is opened, each member that acted when closed was
When the return spring 7 is restored, both return to the initial position.

Of course, the present invention can be applied not only to hinged door type doors but also to hinged door type doors.

The effects of this device are as follows.

By adjusting the protruding length of the adjusting piece 10, the vertical movement stroke of the seal member 12 can be changed, so that the lower end of the door and the floor can be reliably sealed.

Since the adjusting piece 10 screwed at a predetermined position is pressed by the compression spring 11, it does not rotate inadvertently.

Since the oscillating piece 14 has a large lever ratio (L / l), the pin 20 can obtain an enlarged vertical movement stroke even with a slight movement amount of the pin 17, thus enabling a wide range of adjustment in a narrow space. Is.

Since the movement of the rocking piece 14 is strictly regulated, only one rocking piece 14 can surely move the seal member 12 up and down, and the number of parts is small.

[Brief description of drawings]

FIG. 1 is a partially longitudinal side view showing an embodiment of a door sealing device of the present invention, FIG. 2 is an enlarged partial cross-sectional front view taken along the line II-II of FIG. 1, and FIG. 3 shows the shape of a rocking piece. It is a drawing. DESCRIPTION OF SYMBOLS 1 ... Door, 2 ... Frame body 3 ... Working rod, 3a ... Tip of the working rod 3b ... Base end side of the working rod, 7 ... Return spring 12 ... Seal member, 14 ... Oscillating piece

Claims (1)

[Scope of utility model registration request] 1. A door sealing device provided with the following constitutional conditions A, B, C, D, E and F. A. Hollow frame 2 attached along the edge of door 1
B. The frame 2 is provided with an action rod 3 which is displaceable along the longitudinal direction thereof, and a screw is provided at the tip of the action rod 3 to screw an adjusting piece 10 of the projecting length for adjustment. Compression spring 11 to prevent the piece 10 from rotating
And the tip 3a of the adjusting piece 10 is to be projected from the edge of the door 1 when the door 1 is opened. C. The action rod 3 is urged to project the tip 3a outward. D. Providing a return spring 7 for controlling the frame body 2. D. Providing a seal member 12 on the frame body 2 which can move in and out in a direction substantially perpendicular to the longitudinal direction of the frame body 2, E. Intermediate of the frame body 2 in the longitudinal direction One rocking piece 14 is pivotally attached to the section. F. The rocking piece 14 is formed in a shape having a large lever ratio (L / l), and one end of the rocking piece 14 has a base end side 3b of the working rod 3. To engage the inner side of the seal member 12 with the other end.