JP2000145275A - Door with finger cutting off preventive mechanism - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent finger cutting off without damaging durability and feeling for use by pivotally fitting a door panel on a door frame by hinges, and by providing recessed part for preventing finger cutting off between hinges in a door stop part side of the door panel. SOLUTION: Hinges 6, 7, and 8 are fixed on an inner peripheral part of a doorframe, and a door panel 2 is rotatably supported freely to open and close through the hinges 6, 7, and 8. At door stop parts between an upper hinge part 6 and a central hinge part 7, and between the central hinge part 7 and a lower hinge part 8, a recessed part 13 for preventing finger cutting off is provided on a door panel 2 side. The recessed part 13 for preventing finger cutting off is so formed that an incision is formed on a position where the hinges 6, 7, and 8 are avoided at an inner plate 40 of the door stop part side, a finger cutting off preventing space is formed by bending it internally. A soft elastic body such as rubber and synthetic resin is buried in the recessed, part 13 for preventing finger cutting off. Hereby, even when the door panel 2 is closed with a finger put in the doorstop part, the finger is not pressed by the space.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mechanism for preventing finger jamming in an opening / closing portion of a door for a house.

[0002]

2. Description of the Related Art Conventionally, in a door such as an entrance door, a door closer having a function of automatically closing a door panel and a function of adjusting a closing speed is attached to an upper portion of the door panel so that the closing of the door is started quickly and before the door is completely closed. Is trying to close slowly. If the door closer is provided in this manner, the door closes automatically, so if a finger is placed on the hinge, the finger may be pinched and injured. Therefore,
2. Description of the Related Art There are known techniques for providing a bellows so as to close a space formed in a hinge portion and forming a space in which a finger can enter the hinge portion.

[0003]

However, the former technique of providing a bellows at the hinge portion is effective when the open space is small, but when the space is large, the width of the bellows is widened and the bellows is closed when closed. Sometimes it gets caught and cannot be closed. In addition, there is a problem in durability due to the method of sticking.

In the case of a technique for forming a space in which a finger can enter, it is necessary to newly design the entire door frame and hinges, which not only increases the cost, but also closes the space between the door and the support post and removes the weather. There is a problem that a member for preventing intrusion of air is required, and the width of the entrance becomes narrow. In view of the above points, the present invention has high versatility and durability, and
The installation position of the finger jam prevention mechanism is omitted at specific positions, minimizing the cost increase associated with design changes.Furthermore, it can be mounted on the conventional door frame and can be easily replaced, making it easy to use. It is an object of the present invention to provide a door having a mechanism effective in preventing finger jamming, which is the same as a conventional door.

[0005]

The present invention uses the following means in order to solve the above problems. That is, in the first aspect, the door panel and the door frame are pivotally connected by a hinge, and a finger jam prevention recess is provided between the hinges on the door stop side of the door panel.

According to a second aspect of the present invention, the finger jam preventing recess is provided at a portion other than the upper and lower ends of the door panel and the hinge position.

According to a third aspect of the present invention, the finger jam preventing recess is formed by bending a part of an inner plate of a door panel.

According to a fourth aspect of the present invention, a soft elastic body that can be easily deformed is provided in the finger jam preventing recess.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is an outer front view of the door of the present invention, FIG.
FIG. 3 is a perspective view of the inside of the door, FIG.
FIG. 5 is a cross-sectional view taken along the line BB of FIG. 1, FIG. 5 is an inner perspective view showing a normal hinge type finger jam prevention space forming state, FIG. 6 is an inner perspective view of a door using another embodiment of the hinge support portion, 7 is a perspective view of the hinge support, and FIG. 8 is a cross-sectional view of the hinge mounting portion.

First, the overall structure of the door will be described with reference to FIGS. The door frame 3 is provided at the opening of the entrance wall 41.
On the right side of the inner peripheral portion of the door frame 3 in a front view, three hinge portions of an upper hinge portion 6, a central hinge portion 7, and a lower hinge portion 8 are fixedly mounted. The door panel 2 is pivotally supported to be openable and closable on the front side via a hinge portion. An entrance door glass 4 is fitted in a substantially central portion of the door panel 2 so as to be fitted into the entrance panel, and external light is taken into the entrance through the entrance door glass 4. On the left side of the door panel 2 when viewed from the front, an outdoor handle portion 5 for gripping the door to open and close is provided, and an indoor handle portion 11 is provided on the back surface of the outdoor handle portion 5. The grip between the door panel 2 and the door frame 3 is released by gripping the grippers 5 and 11 and pushing them back and forth,
The door can be opened and closed by rotating around the three hinges 6 to 8.

Further, a main body 10a of the door closer 10 is fixedly mounted on the upper part of the door panel 2, and an arm 10b extends from the main body 10a. One end of the arm 10b is fixedly mounted on the indoor side of the entrance wall 41. , This door closer 1
By setting 0, the door 1 is automatically closed, and the closing speed at that time can be adjusted. In addition, a finger jam prevention recess 13 of the present invention is provided on the door panel 2 side at the door stop portion 18 between the upper hinge portion 6 and the center hinge portion 7, and a portion between the center hinge portion 7 and the lower hinge portion 8 is provided. Similarly, on the door panel 2 side of the door stop portion 18, a finger stuffing preventing recess 13 is provided. The door panel 2 has an inner frame 21 fixed in a rectangular frame shape, and an outer plate 20 is attached to the outside of the door.
The inner plate 40 is stuck on the indoor side, and the roll cores 26 are stored and fixed between the outer plate 20 and the inner plate 40 to be reinforced.

Next, regarding the finger jam prevention mechanism of the present invention,
This will be described with reference to FIGS. Inner plate 4 on door stop 18 side
0 includes an upper hinge section 6, a central hinge section 7, and a lower hinge section 8.
Is cut in a position avoiding the fold, and bent inward to form bent portions 40a.
Forming 12; An inner frame 21 formed in a U-shape in cross section is disposed inside the bent portions 40a, 40a to fix the inner plate 40 and the outer plate 20 together. An outer frame 22 having a U-shape in cross section is fitted and fixed between the inner frame 21 and the bent portion of the outer plate 20 in accordance with the length of the finger stuffing prevention spaces 12.

With such a configuration, the outer plate 2
0 can be used as it is, and the inner plate 40 only needs to be processed by sheet metal processing only in the finger jamming prevention spaces 12 and 12 of the door stop portion 18, and the inner frame 21 also needs only to reduce the vertical width. Often, design changes are minimal and cost increases are minimal.

A soft elastic body 27 that forms the finger jam prevention recess 13 is fitted and fixed to the opening of the outer frame 22. That is, the soft elastic body 27 is made of a soft elastic body such as rubber or synthetic resin, and
27a to be inserted from the open side of the device and the finger jam prevention space 1
2, and the cushion portion 27b is fastened to the inner frame 21 by mounting bolts 24 with the bent portion 40a of the inner plate 40 interposed therebetween.

The cushion portion 27b is partially exposed from an opening 20a formed by bending the outer plate 20, and the corner of the exposed cushion portion 27b contacts the airtight member 19 when the door is closed. It is in a state where it has been done. The airtight member 19 is often made of an elastic body such as rubber fixed over the entire inner circumference of the door frame 3 in order to maintain the airtightness of the door 1 and the like.

The mounting portion 3 of the airtight member 19
A gap 28 having a specific interval is provided between the upper surface of the panel a and the indoor side of the outer plate 20, and the size of the gap 28 is set to a minimum size that does not cause injury even if a finger is caught. This is because if the gap 28 is too narrow, the above-mentioned finger stuffing occurs, and if it is too wide, it is difficult to secure the airtightness of the door 1.

Therefore, by adopting such a configuration, even if the door panel 2 closes suddenly with the finger inserted in the door stop portion 18, the pinched finger is not pressed by the gap 28, and Even if the fingertip is inserted deep into the gap, the finger-jamming prevention recess 13 provided on the door panel 2 side.
The 13 cushion portions 27b are elastically deformed to secure a space for the fingertip, so that injury due to finger stuffing can be prevented.

Next, the hinge 30 constituting the hinge portions 6, 7, 8 will be described with reference to FIG. Hinge 30
Is for rotatably connecting between the door panel 2 and the door frame 3.
a to fix the inner frame 2 to the door panel 2.
The outer frame 23 having a U-shape in cross section is welded to the hinge side of 1.
3a. The vertical length of the outer frame 23 matches the length of the hinge 30. The outside of the outer frame 23 is covered with the outer plate 20 and the inner plate 40, and a washer 29 is fixed inside the outer frame 23.

Thus, the door panel support plate 30a
The outer plate 20, the inner plate 40, the outer frame 23, and the washer 29 are fixedly fastened together by a plurality of mounting bolts 25. The door panel support plate 30a extends from a pivot shaft portion 30c of the hinge 30, and the pivot shaft portion 30c is inserted into a hinge pivot shaft 30b fixed to the door frame 3 and is rotatably supported. .

Accordingly, the door panel 2 can rotate about the hinge pivot shaft 30b in the direction of the arrow in FIG. Further, the heads of the mounting bolts 25 are all embedded in a door panel support plate 30a, and the door panel support plate 30a is attached to the door frame 3 when the door is closed.
The door 1 is configured to sufficiently exhibit various functions such as airtightness, sound insulation, and heat insulation. As shown in FIG. 2, the start and end of the upper and lower finger jam prevention recesses 13 are covered and protected by end covers 14 to 17 made of plastic or the like.

Another embodiment of the finger jam prevention mechanism according to the present invention will be described with reference to FIGS. The inner plate 40 of the door panel 2 is cut out at a portion where the hinge supports 50 are attached, and the other positions are bent inward at substantially right angles in the vertical direction and fixed to the side surfaces of the inner frame 21,
A finger jam prevention space 36 is formed. An outer frame 23 formed in a U-shape in cross section as described above is fixed to the inside of the outer plate 20, and the outer frame 23 and the bent portion 4 are similarly formed as described above.
A soft elastic body 27 is inserted between the first elastic member 27 and the first elastic member 27a.

The hinge supports 50 are arranged above and below the outer side of the inner frame 21, and the hinge supports 50 are inserted into the outer plate 20. As shown in FIG. 7, the hinge support 50 has a plurality of bolt holes 50a, 50a,.
Are opened in accordance with the positions of the bolt holes of the door panel support plate 30a and the inner frame 21, and the bolt holes 50a, 50
On the side opposite to the center of the hinge where a ... is located, a convex portion 50b / 5 having a thickness sufficient to support the bolt is provided.
0b and 50b are provided, and U-shaped concave portions 50c and 50c are formed between the convex portions 50b. In this way, as shown in FIG. 8, the hinge support 50 is inserted between the opening 20a of the outer plate 20 and the outside of the inner frame 21, and the plurality of mounting bolts 51 are inserted into the door panel support plate. It is inserted into the bolt hole 30a and the bolt hole 50a, screwed into the washer 29, and fixedly fastened together. 52 is the outer plate 20
The washer according to the thickness. In this embodiment, two hinges are arranged, but three or more hinges can be arranged. With this configuration, although a slightly extra design change is required as compared to the above-described embodiment, the space between the hinges does not cause the fingers to be packed by the space, and the fingers enter the position of the hinge even if they enter the position of the hinge. Even if the door is closed, the fingers will
It is guided by Ob and pushed into the concave portion 50c, so that the finger is not jammed.

[0023]

As described above, the present invention has the following advantages. That is, since the door panel and the door frame are pivotally connected to each other with a hinge and a finger jamming preventing recess is provided between the hinges on the door stop side of the door panel, the finger is positioned on the hinge side. It is possible to reliably prevent the finger from being caught by the user without impairing durability and usability. Further, a conventional door frame can be used, and there is no need to change the design. If the door panel is damaged, only the door panel can be easily changed without changing the door frame.

According to a second aspect of the present invention, since the finger jam prevention recesses are provided in portions other than the upper and lower ends of the door panel and the hinge position, the hinge mounting portion and the outer panel have the same structure as in the prior art, and are largely designed. There is no need to change and commercialization at low cost is possible.

According to a third aspect of the present invention, the finger jam prevention concave portion is formed by bending a part of the inner plate of the door panel, so that the processing can be performed easily and the design change of the inner plate can be minimized. And the manufacturing technology of the product can be used as it is.

According to a fourth aspect of the present invention, since the soft elastic body which can be easily deformed is attached to the finger stuffing preventing recess, a draft can enter from the finger stuffing preventing recess or a large opening can be formed. Therefore, even if the finger of the finger-jamming prevention concave portion is pinched, the finger-jamming prevention function can be sufficiently exhibited without impairing the usability and appearance.

[Brief description of the drawings]

FIG. 1 is an outside front view of a door of the present invention.

FIG. 2 is an inside perspective view of a door.

FIG. 3 is a sectional view taken along line AA of FIG. 1;

FIG. 4 is a sectional view taken along line BB of FIG. 1;

FIG. 5 is an inside perspective view showing a state in which a finger jam prevention space is formed.

FIG. 6 is an inside perspective view of a door using another embodiment of the hinge support.

FIG. 7 is a perspective view of the hinge support.

FIG. 8 is a cross-sectional view of the hinge attachment portion.

[Explanation of symbols]

 2 Door Panel 3 Door Frame 13 Finger Packing Prevention Depression 18 Door Stop 27 Soft Elastic Body 30 Hinge 40 Inner Plate of Door Panel

Claims (4)

[Claims] 1. A door with a finger jam prevention mechanism, wherein a door panel and a door frame are pivotally connected by a hinge, and a finger jam prevention part is provided between the hinges on the door stop side of the door panel. . 2. The door with a finger-jamming prevention mechanism according to claim 1, wherein the finger-jamming prevention recess is provided at a portion other than upper and lower ends of the door panel and a hinge position. 3. The door with a finger jam prevention mechanism according to claim 1, wherein the finger jam prevention recess is formed by bending a part of an inner plate of a door panel. 4. The door with a finger jam prevention mechanism according to claim 1, wherein a soft elastic body which can be easily deformed is provided in the finger jam prevention recess.