JPH10169319A - Door structure having finger nipping preventive function - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door structure which prevents a finger from getting in a door surely and improves safety. SOLUTION: The front section of the end face of one side edge 15a of a door 15 disposed into a door frame is attached pivotaslly at the internal side end of the front-forming wall 16 of one vertical frame 12 by a hinge 22. The rear of the other guide edge of the door 15 is abutted and supported to the surface of the stepped-section forming wall 18 of the other vertical frame, and a safety space 23 having an opening in width (w), into which at least a finger F can be fitted movable, is formed between the rear of one side edge 15a of the door 15 and the surface of the stepped-section forming wall 18 of one vertical frame 12 under the state of door closing.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door structure having a finger pinching prevention function which can be suitably used for an entrance door or an office door of a general house.

[0002]

2. Description of the Related Art Conventionally, as a door structure used for the above-mentioned applications, there is a door structure C shown in FIGS. As shown, an upper frame 50, a lower frame 51, both vertical frames 52,
A door 55 having a rectangular shape is disposed in the rectangular door frame 54 made of 53 so as to be openable and closable while turning forward. As shown in FIG. 9, each of the vertical frames 52 and 53 has a U-shaped cross section symmetrical about the center line 54a of the door frame 54. That is, each vertical frame 52, 53
Are respectively formed in plan view from the front end wall 56, the first rear end wall 57 extending rearward from the inner end of the front end wall 56, and the rear end of the first rear end wall 57 inward. A step forming wall 58 extending in parallel to the front forming wall 56 toward the front, a second rear extending wall 59 extending rearward from the inner end of the step forming wall, and an outer side extending from the second rear extending wall 59. And a rear surface forming wall 61 extending parallel to the front surface forming wall 60. Also, one side edge 55 of the door 55
The front end of the end face a is pivotally connected to the inner end of the front forming wall 56 of one of the vertical frames 52 by a hinge 62, and the rear surface of the other side edge 55b of the door 55 is formed with a stepped portion of the other vertical frame 53. It is supported on the surface of the wall 58. With this configuration, in the closed state, the door 55 is surrounded by the door frame 54, and in the open state, the door 55 is pivoted forward around the hinge 62.

[0003]

However, the above-mentioned door structure C still has the following problems to be solved. That is, as shown in FIG. 10, the step extending wall 58 of each of the vertical frames 52 and 53 has a front projecting wall 63 protruding in order to form an airtight on its surface. 5
There is hardly any gap between the rear surface of the front wall 5 and the front end of the front overhanging wall 63. Accordingly, when the door 55 is closed without turning the door 55 and once opening the door 55 and not touching the front overhanging wall 63 or the vicinity thereof with the finger F1. The finger may be pinched between the back surface and the front end of the front overhanging wall 63, and the finger F1 may be broken or cut. Similarly, even in the case of an adult, the door closer at the entrance does not work properly, so when checking the door, if the door closes suddenly, the little finger will likewise face the back of the door 55 and the front overhanging wall 6.
It is also conceivable that it is sandwiched between the front end of No. 3 and the front end. Also, unlike the above-described door structure C, even in a door structure having no air tight, almost no gap is provided between the back surface of the door and the surface of the step extending wall in the closed state, so An accident may occur. As described in Japanese Utility Model Application Laid-Open No. 62-99786, a door cover having a function to prevent finger pinching is provided with an elastic gap cover made of a material such as rubber in a gap formed on the hinge side by opening and closing the door. However, the gap cover must be used as a separate member, and the work of mounting the door structure after installation is required, which increases the cost and complicates the door mounting work. The present invention has been made in view of such circumstances, and an object of the present invention is to provide a door structure capable of reliably preventing a finger pinching accident in opening and closing a door and improving safety.

[0003]

According to a first aspect of the present invention, there is provided a door structure having a finger pinching prevention function.
Each of the vertical frames forming the rectangular door frame has a front forming wall, a first rear extending wall extending rearward from an inner end of the front forming wall, and a rear end of the first rear extending wall. A step forming wall extending inward from an end in parallel with the front forming wall, a second rear extending wall extending rearward from an inner end of the step forming wall, and the second rear extending A front side wall extending outwardly from the wall and having a U-shaped cross-section including a rear side forming wall extending in parallel with the front side forming wall, the front side of an end face of one side edge of a rectangular door disposed in the door frame; A part is hinged to an inner end of a front forming wall of the one vertical frame by a hinge, and a back surface of the other side edge of the door is supported against the surface of the step forming wall of the other vertical frame. And, in the closed state, at least a finger is placed between the back surface of one side edge of the door and the surface of the step forming wall of the one vertical frame. Safety space having a gap fitting can width is formed.

A door structure having a finger-jam preventing function according to a second aspect is the door structure having a finger-jam preventing function according to the first aspect, wherein the first rearwardly extending wall extends from an inner end of the front surface forming wall. A first vertical portion extending rearward at a right angle, a second inclined portion extending rearward while gradually expanding outward from a rear end of the first vertical portion, and a second inclined portion extending from the rear end of the second inclined portion. A third vertical portion extending rearward in parallel with the first vertical portion, and having a width such that a finger can be loosely fitted between an end surface of one side edge of the door and the first rearward extension wall in the closed state. A safety space having a gap is formed.

According to a third aspect of the present invention, there is provided a door structure having a finger-jam preventing function, wherein the first rearward extending wall extends from an inner end of the front forming wall. A first inclined portion that gradually extends outward;
A second vertical portion extending rearward at a right angle to the front surface forming wall from a rear end of the first inclined portion, and in a closed state, between an end surface of one side edge of the door and the first inclined portion. Also, a safety space having a gap with a width that allows a finger to be loosely fitted is formed.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described below with reference to some embodiments shown in the accompanying drawings. As shown in FIG. 1, a door structure A having a finger pinching prevention function according to an embodiment of the present invention also has an upper frame 10, a lower frame 11, It comprises a rectangular door frame 14 composed of frames 12 and 13 and a rectangular door 15 disposed inside the door frame 14 so as to be openable and closable while turning forward.

As shown in FIG. 2, each of the vertical frames 12 and 13 has a U-shaped cross section symmetrical about the center line 14a of the door frame 14. That is, each vertical frame 12, 1
3 is a front surface forming wall 16 in plan view;
A first extending rearward from the inner end of the front forming wall 16
A rear extension wall 17, a step formation wall 18 extending inward from the rear end of the first rear extension wall 17 in parallel with the front formation wall 16, and rearward from an inner end of the step formation wall. It is formed of a second rearward extension wall 19 that extends and a rear surface formation wall 21 that extends outward from the second rearward extension wall 19 in parallel with the front surface formation wall 20.

The front of the end surface of one side edge 15a of the door 15 is connected to a hinge 22 on the inner end of the front surface forming wall 16 of one of the vertical frames 12.
And the back surface of the other side edge 15 b of the door 15 is supported in contact with the surface of the step forming wall 18 of the other vertical frame 13. With this configuration, in the closed state, the door 1
5 is surrounded by a door frame 14, and when the door is open, the door 1 is closed.
5 will be turned forward around hinge 22. In the door structure A having the above-described basic configuration, the present invention is to effectively prevent a finger or the like from being broken or cut even if a child or the like accidentally inserts the finger F near the hinge 22. It is characterized in that it is configured so that

That is, as shown in FIGS. 2 and 3, in this embodiment, the length of the second rearward extension wall 19 is reduced so that the door 15 can be closed even when the door 15 is closed. 1
5 between the back surface of one side edge 15a and the surface of the step forming wall 18 of one vertical frame 12, at least a width w in which a finger can be loosely fitted.
A safety space 23 having a gap of. Therefore, for example, even if the mother opens the door 15 and closes the door without noticing that the infant has accidentally inserted the finger near the hinge 22, as shown in FIG. Is loosely fitted in the safety space 23. That is, the finger F is the door 1
5 can be effectively prevented from being caught between the back surface of one side edge 15a and the surface of the step portion forming wall 18 of one vertical frame 12, and the safety of the door structure A can be enhanced. .

In the present embodiment, as shown in FIG. 2, the first rearward extension wall 17 includes a first vertical portion 24 extending rearward at a right angle from the inner end of the front surface forming wall 16,
A second inclined portion 25 extending rearward while gradually spreading outward from a rear end of the first vertical portion 24, and a third inclined portion 25 extending rearward from the rear end of the second inclined portion 25 in parallel with the first vertical portion 24. And a vertical portion 26. . Therefore,
In a state where the door 15 is closed, it is possible to form a safety space 27 having a gap having a width w1 in which the finger F can be loosely fitted between the end surface of the one side edge 15a of the door 15 and the first rear extension wall 17. Even if the infant F accidentally inserts the finger F deeply near the hinge 22, the finger F can be effectively prevented from being broken or cut.

FIGS. 3 to 6 show examples of changes in the cross-sectional shapes of the vertical frames 12 and 13. FIG. In the transformation example shown in FIG.
The first rearward extension wall 17 gradually extends outward from the inner end of the front forming wall 16 toward the outside, and extends rearward at right angles to the front forming wall 16 than the rear end of the first inclined portion 28. The second vertical portion 29 is formed. Therefore, even when the door 15 is closed, one side edge 1 of the door 15
A safety space 29a having a gap with a width w2 where the finger F can be loosely fitted is also formed between the end face of 5a and the first inclined portion 28.

In the modification shown in FIG. 4, the first rearward extension wall 17 includes a short first vertical portion 30 extending rearward from the inner end of the front forming wall 16 and a first vertical portion 3.
0, a short second horizontal portion 31 extending outward from the rear end in parallel with the front forming wall 16, and a third vertical portion extending rearward from the outer end of the second horizontal portion 31 at right angles to the front forming wall 16. And a portion 32. Therefore, even when the door 15 is closed, the end face of the one side edge 15a of the door 15 and the third
A safety space 33 having a gap with a width w3 where the finger F can be loosely fitted is also formed between the vertical space 32 and the vertical portion 32.

In the modification shown in FIG. 5, the first rearward extension wall 17 is formed by bending a first folded portion 34 from the inner end of the front surface forming wall 16 rearward by 180 °,
The front folded wall 34 is formed from the outer end of the first folded portion 34 and the second vertical portion 35 extending rearward at right angles to the front forming wall 16.
Therefore, even when the door 15 is closed, a safety space 36 is formed between the end surface of the one side edge 15a of the door 15 and the second vertical portion 35, which has a gap with a width w4 where the finger F can be loosely fitted. Will be.

In the modification shown in FIG. 6, the first rearward extension wall 17 has a thickness of the substantially vertical door 15 extending rearward from the inner end of the front face forming wall 16 to the first vertical portion having the same length. 37, a short second horizontal portion 3 extending in parallel to the front forming wall 16 outward from the rear end of the first vertical portion 37
8 and a third vertical portion 39 extending rearward from the outer end of the second horizontal portion 38 at right angles to the front face forming wall 16. Therefore, even if the door 15 is closed,
Between the back surface of the one side edge 15a and the step forming wall 18, a safety space 40 having a gap with a width w5 where the figure finger F can be loosely fitted is formed.

In the modification shown in FIG. 7, the first rearward extension wall 17 is, like the first rearward extension wall 17 shown in FIG. A first vertical portion 41 extending, a second inclined portion 42 gradually extending outward from a rear end of the first vertical portion 41 and extending rearward, and a first vertical portion 41 extending from a rear end of the second inclined portion 42. And a third vertical portion 43 extending rearward in parallel. However, in this modified example, unlike the step-forming wall 18 shown in FIG. 3, an inclined step-forming wall 44 that gradually extends rearward toward the inside is provided. Therefore, the door 15
Is closed, the width w is such that the finger F can be loosely fitted between the end face of the one side edge 15a of the door 15 and the first rearward extension wall 17.
Not only can a safety space 45 having a gap of 6 be formed, but also a tapered safety space 46 whose width gradually increases toward the inside on the back surface of one side edge 15a of the door 15 and the step forming wall 44. Will be formed. Therefore, safety when the door 15 is closed can be further improved.

[0016]

According to the door structure having the function of preventing finger pinching according to the first aspect, when the door is closed, the back surface of one side edge of the door and the surface of the step-forming wall of one of the vertical frames are removed. A safety space having a gap at least wide enough to allow a finger to be loosely fitted is formed therebetween. Therefore, even if the child or the like closes the door without noticing that the finger is accidentally inserted near the hinge, the finger is loosely fitted in the safety space, thereby avoiding fracture and cutting. And the safety of the door structure can be enhanced.

In the door structure having a finger pinching prevention function according to claim 2, the first rearward extension wall of the vertical frame has a first vertical portion extending rearward at a right angle from an inner end of the front surface forming wall. A second inclined portion extending rearward while gradually expanding outward from a rear end of the first vertical portion, and a third vertical portion extending rearward from the rear end of the second inclined portion in parallel with the first vertical portion. Therefore, when the door is closed, a safety space is formed between the end face of one side edge of the door and the first rearward extension wall with a gap having a width that allows the finger to be loosely fitted. It is possible to avoid a fracture or a cut even when the door is inserted considerably deeply, and it is possible to further enhance the safety of the door structure.

[0018] In the door structure having a finger pinching prevention function according to the third aspect, the first rearward extension wall gradually extends outward from the inner end of the front wall, and the first inclination portion. Since it consists of a front vertical wall and a second vertical portion extending rearward at a right angle from the rear end of the portion, when the door is closed,
Since a safety space is formed between the end surface of one side edge of the door and the first inclined portion, the safety space having a width enough to allow a finger to be loosely inserted, even if the finger is inserted considerably deeply, a fracture or a fracture may occur. Cutting can be avoided, and the safety of the door structure can be further enhanced.

[Brief description of the drawings]

FIG. 1 is a perspective view of a door structure having a finger pinching prevention function according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of the same.

FIG. 3 is a cross-sectional view of a vertical frame.

FIG. 4 is a cross-sectional view of a vertical frame according to a modification.

FIG. 5 is a cross-sectional view of a vertical frame according to a modification.

FIG. 6 is a cross-sectional view of a vertical frame according to a modification.

FIG. 7 is a cross-sectional view of a vertical frame according to a modification.

FIG. 8 is a perspective view of a conventional door structure.

FIG. 9 is a transverse sectional view of the same.

[Explanation of symbols]

A Door structure having finger pinching prevention function F Finger w Width w1 Width w2 Width w3 Width w4 Width w5 Width 10 Upper frame 11 Lower frame 12 Vertical frame 13 Vertical frame 14 Door frame 14a Center line 15 Door 15a One side edge 15b Other side Rim 16 front formation wall 17 first rear extension wall 18 step formation wall 19 second rear extension wall 21 rear formation wall 22 hinge 23 safety space 24 first vertical portion 25 second inclined portion 26 third vertical portion 27 Safety space 28 First inclined part 29 Second vertical part 29a Safety space 30 First vertical part 31 Second horizontal part 32 Third vertical part 33 Safety space 34 First folding part 35 Second vertical part 36 Safety space 37 First Vertical part 38 Second horizontal part 39 Third vertical part 40 Safety space 41 First vertical part 42 Second inclined part 43 Third vertical part 44 Step formation wall 45 Safety space 46 Safety Space

Claims (3)

[Claims] 1. A front door forming wall, a first rear extending wall extending rearward from an inner end of the front forming wall, and the first vertical frame forming a rectangular door frame. A step forming wall extending inward from a rear end of the rear extending wall in parallel with the front forming wall, a second rear extending wall extending rearward from an inner end of the step forming wall, One side of a rectangular door having a U-shaped cross section composed of the front-side forming wall and a rear-side forming wall extending in parallel from the second rearward-extending wall to the outside, and disposed in the door frame. A front portion of an end surface of the edge is hinged to an inner end of a front forming wall of the one vertical frame by a hinge, and a back surface of the other side edge of the door is a surface of a step forming wall of the other vertical frame. , And in the closed state,
A safety space is formed between the back surface of one side edge of the door and the surface of the step forming wall of the one vertical frame, at least having a gap having a width that allows a finger to be loosely fitted. Door structure with finger pinch prevention function. 2. The first rearward extension wall includes a first vertical portion extending rearward at a right angle from an inner end of the front surface forming wall, and gradually expanding outward from a rear end of the first vertical portion. A second inclined portion extending rearward, and a third extending rearward from a rear end of the second inclined portion in parallel with the first vertical portion.
A safety space comprising a vertical portion and having a gap having a width in which a finger can be loosely fitted between an end surface of one side edge of the door and the first rear extension wall in the closed state. The door structure having a finger pinching prevention function according to claim 1. 3. The first rearward extension wall has a first inclined portion gradually extending outward from an inner end of the front surface forming wall, and a right angle to the front surface forming wall from a rear end of the first inclined portion. And a second vertical portion extending rearward to form a safety space having a gap between the end surface of one side edge of the door and the first inclined portion in a closed state, in which a finger can be loosely fitted. The door structure having a finger pinching prevention function according to claim 1, wherein the door structure is provided.