JPH0727347Y2 - Door airtight device - Google Patents

Description

[Detailed Description of the Invention] Industrial field of application The present invention relates to an airtight device for doors such as indoor doors and doors,
In particular, the present invention relates to a door airtight device that is hermetically sealed by using a magnet.

2. Description of the Related Art A conventional airtight device for a door is provided with a recessed groove for attaching airtight material on the outer peripheral surface of the inner side surface of each frame of the door, as shown in Japanese Utility Model Laid-Open No. 59-104989, for example. At the connection with the frame, attach the attachment with the groove groove protruding on the side so that the groove groove of the horizontal frame and the groove groove of the vertical frame can be connected, and the airtight material on the door side and the door contact surface It was known that the abutment was made so as to contact each other without a gap.

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention However, in the above-mentioned airtight device, the attachment to be attached to the connecting portion between the horizontal frame and the vertical frame has the concave groove for mounting the airtight material protruding from the side, and the upper connection. It is necessary to prepare two types of attachments, one for the lower part and the one for the lower connecting part. Also, when attaching the attachment, it is necessary to distinguish it from the upper one and the lower one, which is troublesome. Had the problem of.

Therefore, the present invention solves the above-mentioned problems, and can be used both above and below with one type of mounting member, which does not require much labor for mounting and does not damage the appearance of the door. The purpose is to provide a device.

Means for Solving the Problems In order to solve the above-mentioned problems, the present invention attaches magnets to the inner peripheral edge of each of the vertical, upper and lower frames constituting the door body, and at the same time, the door mounting frame. In the airtight device for the door, in which a magnet is also attached to the door contact part of the door, and when the door is closed, both magnets are attracted and sealed, the upper frame 2 and the lower frame 3 being provided on the side surfaces of the vertical frames 4 and 5. As shown in FIG. 3, the door main body 1 is assembled by assembling the door main body 1, and in the openings of the upper end portion 6 and the lower end portion 7 of the vertical frame 4 on at least the puller side of the vertical frames 4 and 5, On both sides of the cap (33), the magnet mounting grooves (35) (3
5) and the magnet mounting part (1
The notches (34) and (34) for fitting 7) are provided symmetrically,
A cap (33) fitted with a magnet (36) is fitted into one of the magnet mounting grooves (35), and the magnet is arranged in the vertical frame at the corner of the door body to form an airtight device for the door. Is.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

1 and 2 are a horizontal cross-sectional view and a vertical cross-sectional view of a door using a door airtight device of the present invention. As shown in FIG. 3, the airtight device of the present invention includes a door body 1, an upper frame 2 and a lower frame 3.
Are assembled by contacting the side faces of the left and right vertical frames 4 and 5, and the cap 33 having the magnet 36 as shown in FIG. 4 is fitted into the openings of the upper end 6 and the lower end 7 of the vertical frame 4. Together, they form an airtight state of the door.

As shown in FIG. 1, the door body 1 is configured to be openable and closable toward the outside by a hinge 9 fitted inside the door mounting frame 8 and attached to one end. In FIG. 1, the cap 33 is fitted to the upper end 6 and the lower end 7 of the vertical frame 4 on the puller side, and the hanging side is the door stop of the vertical frame 10 of the door mounting frame 8.
An airtight member 12 made of an elastic body attached to 11 is pressed against the vertical frame 5 to form an airtight state. As shown in FIG. 1, the vertical frame 4 on the puller side (hereinafter simply referred to as the vertical frame) is provided with a support portion provided on the door stop 14 of the vertical frame 13 of the door mounting frame 8.
At a position that corresponds to the airtight member 16 that is attached to 15 freely
Pocket-shaped magnet mounting part 17 extending in the longitudinal direction of the vertical frame 4
Is provided. Then, the magnet 18 is attached to the magnet attachment portion 17 provided across the length direction, and the vertical frame of the door attachment frame 8 is attached.
A magnet 19 provided in an airtight member 16 attached to a door stop 14 of 13
And the airtight state of the door body 1 is formed in the vertical direction.

Further, in the upper frame 2 and the lower frame 3, as shown in FIG. 2, the door stop portions 22, 23 of the upper frame 20 and the lower frame 21 of the door mounting frame 8 are
Of the upper frame 2 and the lower frame 3 at the position corresponding to the airtight members 25, 30 which are attached by the support portions 24, 24 which are long in the width direction of the upper frame 2 and the lower frame 3 in the width direction. 2
7 are provided. Magnets 28, 29 are attached to the magnet mounting portions 26, 27 provided across the width of the upper frame 2 and the lower frame 3, and the door contact portions of the upper frame 20 and the lower frame 21 of the door mounting frame 8 are attached.
The magnets 31 and 32 provided in the airtight members 25 and 30 attached to the doors 22 and 23 are attracted to each other to form an upper and lower airtight state of the door body 1.

By the way, since the door frame 1 is assembled by abutting the upper frame 2 and the lower frame 3 on the side surface of the vertical frame 4, the magnets are not arranged in the widthwise portions of the corners of the upper frame 6 and the lower frame 7 of the vertical frame 4. Although there are places where the airtightness is not good, in the present invention, in order to make the airtightness of this corner good, as shown in FIG. 4, a cap 33 having a magnet attached to the side surface is provided at the upper end 6 and the lower end of the vertical frame 4. The airtight state is formed by fitting into the opening of the portion 7.

Next, the structure of the cap 33 will be described. FIG. 4 shows the structure thereof. The cap 33 is made of synthetic resin integrally by injection molding.
It is formed in a box shape so as to close the openings by fitting into the openings of the upper end portion 6 and the lower end portion 7. Since the pocket-shaped magnet mounting portion 17 is projected on the pulling side of the vertical frame 4, a part of the side surface of the cap 33 is formed with notches 34 and 34 on both sides as shown in FIG. The magnet mounting portion 17 is fitted. The notches 34 are formed symmetrically on both sides so that they can be used for both the upper end 6 and the lower end 7 of the vertical frame 4. The magnets 28, 29 attached to the upper frame 2 and the lower frame 3 are provided on the side surface excluding the notch 34.
The magnet mounting grooves 35, 35 are provided so as to be aligned when fitted into the opening. This mounting groove 35,35
Is symmetrically formed on both sides so that it can be used for both the upper end 6 and the lower end 7 of the vertical frame 4. As shown in FIG. 4B, several fins 37 are provided on the front end face provided with the notch 34 so that the fin 37 does not fall out when fitted into the opening of the vertical frame 4. Further, a screw hole 38 for attachment is provided on the rear end face, and the cap 33 is screwed to the vertical frame 4 by a screw 39 inserted through a small hole provided on the end face of the vertical frame 4 so as to fix the cap 33. I'm running.

Although FIG. 1 shows an example in which the airtight device of the present invention is applied to the vertical frame 4 on the puller side, it can be similarly applied to the vertical frame 5 on the hanging side.

Advantageous Effects of Invention The present invention has the above-described structure, and one of the necessary magnets of the separately formed magnet mounting grooves symmetrically provided on both side surfaces is provided in the openings of the upper and lower ends of the vertical frame. Since the magnet with the magnet attached to the mounting groove was fitted and the magnet was placed in the vertical frame at the corner of the door body, use one type of cap for both the upper and lower openings. This helps reduce costs and simplifies installation,
Further, since the magnet mounting groove is mounted inside the opening, the magnet mounting groove has many excellent effects such that an unused magnet mounting groove does not spoil the appearance of the door.

[Brief description of drawings]

Fig. 1 is a cross-sectional view of a door using the airtight device of the present invention, Fig. 2 is a vertical cross-sectional view of the same, Fig. 3 is an external front view of the door body, and Fig. 4 (a) (b) (c). (D) is a plan view, side view, rear view, and front view of the cap used in the present invention. 1 …… Door body 2 …… Upper frame 3 …… Lower frame 4,5 …… Vertical frame 16,25,30 …… Airtight member 17,26,27 …… Magnet mounting part 18,19,28,29,31 , 32,36 …… Magnet 33 …… Cap 35 …… Magnet mounting groove

Claims (1)

[Scope of utility model registration request] 1. A magnet is attached to an inner peripheral edge of each of a vertical frame, an upper frame, and a lower frame constituting a door body, and a magnet is also attached to a door contact portion of a door mounting frame so that both doors are closed when the door is closed. A door airtight device in which a magnet is attracted to be hermetically sealed, in which a door body (1) is constructed by abutting the upper frame (2) and the lower frame (3) on the side surfaces of the vertical frames (4) and (5). Assembled and configured,
Magnet mounting grooves (35) (35) on both sides of the cap (33) in the openings of the upper end (6) and the lower end (7) of the vertical frame (4) at least on the pulling side of the vertical frame; A notch (34) (3) to which a magnet mounting portion (17) provided inside the vertical frame is fitted at its tip.
4) are provided symmetrically and the cap (33) with the magnet (36) is fitted into the magnet mounting groove (35) on one side, and the magnet is arranged in the vertical frame at the corner of the door body. The airtight device for the door characterized by the above.