KR20220091099A - Finger protection apparatus of door - Google Patents

Abstract

The present invention relates to a door jamming safety accident prevention device, and more particularly, to a door jamming safety accident prevention device, and more particularly, to a door jamming safety accident prevention device, wherein a finger is caught between a door and a door frame when the door is opened and closed. It relates to a door jamming safety accident prevention device for preventing safety accidents.
According to the present invention, when a hand is caught between the base end of the door panel and the inner surface of the door frame, the elastically deformable part of the gasket is elastically deformed, so that the hand pinched between the door panel and the door frame is elastically deformed. It has the advantage of preventing injury from being caught in between.

Description

Door jamming safety accident prevention device

The present invention relates to a door jamming safety accident prevention device, and more particularly, to a door jamming safety accident prevention device for preventing a safety accident in which a finger is caught between a door and a door frame when the door is opened and closed. .

In general, a door is used to block an entrance, and divides the entrance and each room or office through which a person can enter, and the range of use is expanding for various purposes, not only for people but also for various furniture and electronic products such as refrigerators.

In the conventional structure of a general door, one end of two or more hinges is fixed to the upper and lower ends, respectively, and the other end of the hinge is fixed to the door frame.

At this time, the hinge of the hinge is located at the front or corner of the door, and in the case of a front door that is mainly pulled open and a door that is opened by pushing the front at the corner, the hinge is located at the rear corner.

Here, when the door is opened, the side of the door frame and the door leaf is in the shape of a gap, and when the door leaf is closed, it narrows based on the hinge, so there is a risk of getting your hands caught in the space between the door frame and the door leaf. There was a problem that more often than not, when someone else closes the door, they get hurt by putting their hand between the door leaf and the door frame.

In general, the door having the above structure is composed of a rectangular frame-shaped door frame (A) installed at an entrance and a rectangle corresponding to the door frame (A), and is formed by a hinge (C) provided at the base end. Consists of a door panel (B) rotatably coupled to the frame (A) in the front-rear direction, pushing the front end of the door panel (B) backward to open the doorway, and pulling the door panel (B) forward to open the doorway can be closed

However, in such a door, when the door panel (B) is opened, the base end of the door panel (B) is spaced apart from the inner surface of the door frame (A), so that children, etc. Accidents frequently occurred such as injuring a finger by closing the door panel (B) while putting a hand between the inner surfaces of A).

Therefore, these doors are widely used as interior doors of almost all buildings such as households, daycare centers, and schools. In particular, the corners of the doors are sharply formed, so if they collide with the corners, severe injuries frequently occur. The reality is that the door is closed with a finger caught in the gap between the door frame and the door panel, and accidents such as hand jamming frequently occur.

According to the prior art disclosed in Korean Patent Application Laid-Open No. 10-2018-0055000 "An apparatus for preventing jamming" as a prior art for solving the above problems, a fixing part fixed to a door frame, and one end of the fixing part rotatably A rotating part that is installed and closely adhered to the door leaf to close the open space of the rotation support part between the door frame and the door leaf, and a tanji part installed between the fixed part and the rotating part to elastically support the rotating part in close contact with the door leaf based on the fixed part It is constructed to prevent hand jamming by keeping the door frame in a closed state at all times.

However, in the prior art, when the door leaf fixed to the door frame is opened and rotated, the inner space is closed. There is still a problem that the hand cannot be completely prevented from being caught between the rotating part and the door frame because there is a gap in which the hand can be sufficiently caught.

That is, there is a need for a new method to solve these problems.

Republic of Korea Registered Utility Model No. 20-0362925 (2004.09.13.) Republic of Korea Patent Publication No. 10-2018-0055000 (2016.06.22.)

The present invention is to solve the above problem, and when a hand is caught between the base end of the door panel and the inner surface of the door frame, the elastically deformable portion of the gasket is elastically deformed, so that the space between the base end of the door panel and the door frame is elastically deformed. It is an object of the present invention to provide a safety accident prevention device of a door jamming of a new structure that can effectively prevent injuries from being caught by fingers, etc.

According to a preferred embodiment of the present invention for achieving the above object, it is composed of a rectangular frame-shaped door frame installed at an entrance and a rectangular shape corresponding to the door frame, and is front and rear on the door frame by a hinge provided at the base end. A door comprising a door panel rotatably coupled in a direction to open a doorway by pushing a front end of the door panel rearward, and to close the doorway by pulling the door panel forward, wherein the door panel comprises a panel body and a gasket configured in a bar shape extending in the vertical direction and fixed to the side of the proximal end of the door panel to seal a gap between the door panel and the door frame, wherein the gasket is a support fixed to the side of the proximal end of the panel body It is configured to protrude laterally from the front and rear sides of the plate part and the side surface of the support plate part, and it is characterized in that it comprises a pair of elastically deformable parts in which a space part is formed.

According to another embodiment of the present invention, the support plate portion is composed of a hard synthetic resin material, and the elastically deformable portion is characterized in that it is composed of a soft synthetic resin material.

According to another embodiment of the present invention, a reinforcing plate made of a metal material having high strength is provided inside the support plate part.

According to another embodiment of the present invention, it is characterized in that it further comprises a reinforcing plate coupled to the side surface of the support plate for reinforcing the support plate.

According to another embodiment of the present invention, a rotation member that is rotatably coupled to the inside of the elastic deformation part and rotates when the elastic deformation part is compressed, and a torsion spring connected to the rotation member and elastically supporting the rotation member And, a rotation detection means connected to the rotation member to detect rotation of the rotation member, a support provided to extend laterally to the support plate, and a support slidably coupled to the support in a lateral direction, and a fixing groove is provided on one side The formed push bar; an elastic member connected to the push bar to elastically press the end of the push bar to advance toward the door frame; it is provided on one side of the support and is coupled to the fixing groove when the push bar is retracted to fix the push bar a ratchet bolt connected to the ratchet bolt, a solenoid device that retracts the ratchet bolt according to the operation to release the fixation of the push bar, and a control that receives a signal from the rotation detecting means and controls the operation of the solenoid device and alarm means connected to the control means, wherein the control means receives the signal from the rotation detection means and operates the warning means when it is detected that the user's finger is caught between the gasket and the door frame. By outputting a warning sound so that the user opens the door, and when it is detected that the user's finger is caught between the gasket and the door frame even after a preset time has elapsed, the solenoid device is operated to release the fixation of the push bar, It is characterized in that the door is forcibly opened.

In the door jamming safety accident prevention device according to the present invention, when a hand is caught between the base end of the door panel and the inner surface of the door frame, the elastically deformable portion of the gasket is elastically deformed, so that the hand is placed between the door panel and the door frame. It has the advantage of completely preventing injury from being caught in the

1 is a plan sectional view showing a conventional door;
2 is a plan cross-sectional view showing a door jamming safety accident prevention device according to the present invention;
3 is an enlarged view showing a gasket of a door jamming safety accident prevention device according to the present invention;
4 is a plan cross-sectional view showing the action of the door jamming safety accident prevention device according to the present invention;
5 is a plan cross-sectional view showing a second embodiment of the door jamming safety accident prevention device according to the present invention;
6 is an enlarged view showing a gasket of a second embodiment of a door jamming safety accident prevention device according to the present invention;
7 is a plan cross-sectional view showing a third embodiment of a door jamming safety accident prevention device according to the present invention;
8 is an enlarged view showing a gasket of a third embodiment of a door jamming safety accident prevention device according to the present invention;
9 is a plan cross-sectional view showing a fourth embodiment of the door jamming safety accident prevention device according to the present invention;
10 is an enlarged view showing a gasket of a fourth embodiment of a door jamming safety accident prevention device according to the present invention;
11 is a circuit configuration diagram of a fourth embodiment of a door jamming safety accident prevention device according to the present invention;
12 and 13 are reference views showing the action of the fourth embodiment of the door jamming safety accident prevention device according to the present invention.

Hereinafter, the present invention will be described in detail based on the accompanying illustrative drawings.

First, FIG. 1 is a plan sectional view showing a conventional door, FIG. 2 is a plan sectional view showing a door jamming safety accident prevention device according to the present invention, and FIG. 3 is a door jamming safety accident according to the present invention. It is an enlarged view showing the gasket of the preventive device, Figure 4 is a plan sectional view showing the action of the door jamming safety accident prevention device according to the present invention, Figure 5 is the second of the door jamming safety accident prevention device according to the present invention 6 is an enlarged view showing a gasket of a second embodiment of the door jamming safety accident prevention device according to the present invention, and FIG. 7 is a door jamming safety accident method according to the present invention. It is a plan sectional view showing a third embodiment of the earth, and FIG. 8 is an enlarged view showing a gasket of a third embodiment of a door jamming safety accident prevention device according to the present invention, and FIG. 9 is a door jamming according to the present invention. It is a plan sectional view showing a fourth embodiment of the safety accident prevention device, and FIG. 10 is an enlarged view showing a gasket of a fourth embodiment of the door jamming safety accident prevention device according to the present invention, and FIG. 11 is a door according to the present invention. It is a circuit configuration diagram of a fourth embodiment of the trapping safety accident prevention device, and FIGS. 12 and 13 are reference diagrams showing the operation of the fourth embodiment of the trapping safety accident prevention device of the door according to the present invention.

2 to 4 show a door jamming safety accident prevention device according to the present invention, and it is composed of a door frame (A) in the shape of a square frame installed in the doorway, and a square corresponding to the door frame (A), A door panel (B) rotatably coupled to the door frame (A) in the front-rear direction by a hinge (C) provided at the base end is provided, and the front end of the door panel (B) is pushed backward to open the doorway, , that the door panel B can be pulled forward to close the doorway is the same as in the prior art.

And, according to the present invention, the door panel (B) is composed of a panel body (10) and a bar shape extending in the vertical direction, and is fixed to the side of the base end of the door panel (B) and is fixed to the door panel (B) and the door. It is composed of a gasket 20 that seals the gap between the frames (A).

The panel body 10 is configured in a rectangular panel shape with a shorter proximal end than the conventional door panel (B).

The gasket 20 is configured to protrude laterally from the front and rear sides of the support plate part 21 fixed to the side of the base end of the panel body 10, and the side surface of the support plate part 21, as shown in FIG. It consists of a pair of elastically deformable parts 22 in which the space part 22a is formed.

The support plate part 21 is made of a hard synthetic resin material, and a through hole 21a is formed in the middle part, and the base end of the panel body 10 is formed by a screw 21b passing through the through hole 21a. fixed to the side.

The elastically deformable part 22 is made of a soft synthetic resin material such as rubber or silicone.

As shown in FIG. 4, the door jamming safety accident prevention device configured as described above is elastically deformed of the gasket 20 when a hand is caught between the base end of the door panel B and the inner surface of the door frame A. Since the portion 22 is elastically deformed, there is an advantage in that it is possible to prevent the hand from being injured by being caught between the door panel B and the door frame A.

5 and 6 show a second embodiment according to the present invention, and a reinforcing plate 23 made of a metal material having high strength is provided inside the support plate part 21 .

The reinforcing plate 23 is made of an aluminum material. When the support plate part 21 is injection molded, it is inserted into the support plate part 21 to be inserted into the support plate part 21 .

In the door jamming safety accident prevention device configured as described above, a reinforcement plate 23 is provided inside the support plate part 21 to reinforce the strength of the support plate part 21, so that the gasket 20 is attached to the panel body 10. It has the advantage of being more firmly fixed.

7 and 8 show a third embodiment according to the present invention, a reinforcing plate 23 for reinforcing the support plate part 21 is coupled to the side of the support plate part 21 .

To this end, the front and rear sides of the support plate part 21 are configured to protrude forward and backward of the elastically deformable part 22 .

And, the reinforcing plate 23 is configured to have a close contact portion 23a that is in close contact with the side surface of the support plate portion 21 and a fixing portion 23b configured to surround the front and rear periphery of the support plate portion 21 .

This reinforcing plate 23 is composed of a profile extruded from aluminum in an extruder.

Therefore, after the gasket 20 and the reinforcing plate 23 are separately manufactured, the reinforcing plate 23 may be fitted to the supporting plate 21 .

The door jamming safety accident prevention device configured as described above has the advantage of reinforcing the gasket 20 in a simpler way compared to the first embodiment described above.

9 to 13 show a fourth embodiment according to the present invention, a rotation member 31 that is rotatably coupled to the inside of the elastically deformable part 22 and rotates when the elastically deformable part 22 is compressed. ), a torsion spring 32 connected to the rotation member 31 to elastically support the rotation member 31, and a rotation connected to the rotation member 31 to sense the rotation of the rotation member 31 The sensing means 33, the support 24 provided to extend laterally to the support plate 21, is slidably coupled to the support 24 in the lateral direction, and a fixing groove 35b is formed on one side. A push bar (35), an elastic member (36) connected to the push bar (35) and elastically pressing the end of the push bar (35) to advance toward the door frame (A), and the support (24) A ratchet bolt 37 provided on one side of the and coupled to the fixing groove 35b to fix the push bar 35 when the push bar 35 is retracted, and connected to the ratchet bolt 37 according to the operation The solenoid device 38 for releasing the fixation of the push bar 35 by retracting the ratchet bolt 37, and receiving a signal from the rotation detecting means 33 to control the operation of the solenoid device 38 A control means (39) and an alarm means (40) connected to the control means (39) are further provided.

At this time, one side of the support plate 21 is provided with a rotation bracket 21c extending into the space portion 22a inside the elastically deformable portion 22 .

The rotation bracket 21c is composed of a pair of upper and lower sides, and is spaced apart from each other in the vertical direction so as to be close to the upper and lower ends of the support plate 21 .

The rotation member 31 has a support bar 31a extending in the vertical direction, and extends from the upper and lower ends of the support bar 31a toward the panel body 10 and is rotatable in the front-rear direction on the rotation bracket 21c. It is composed of a hinged pivot bar (31b).

At this time, the rotation bracket 21c is provided with a stopper 21d for supporting the front surface of the rotation bar 31b, and is configured to limit the angle at which the rotation member 31 rotates forward.

The torsion spring 32 is connected to the base end of the rotation bar 31b and is configured to rotate the rotation member 31 forward.

The rotation detecting means 33 is provided on the rotation bracket 21c and is provided with a push button 33a pressed by the front surface of the rotation bar 31b, so that when the rotation member 31 is rotated forward, it detects this limit switch is used.

The support 24 is configured in the shape of a pipe extending from the support plate 21 toward the door frame (A).

The push bar 35 is configured in the form of a circular rod slidably coupled to the inside of the support 24, and a snap ring 35a is coupled to the middle portion.

The elastic member 36 is coupled to the outside of the push bar 35 so as to be positioned between the snap ring 35a and the tip of the support 24 to press the push bar 35 toward the door frame (A). Compression coil springs are used.

The ratchet bolt 37 is slidably coupled to the through-hole 34a formed in the middle part of the support 24, so that when the push bar 35 is retracted, the front end is inserted into the fixing groove 35b do.

The solenoid device 38 normally elastically presses the ratchet bolt 37 toward the fixing groove 35b, and when a control signal is input from the control means 39, pulls the ratchet bolt 37 to the ratchet bolt. (37) to be separated from the fixing groove (35b).

At this time, in a state in which the push bar 35 is retracted and the elastic member 36 is compressed, as shown in FIG. 13 , the ratchet bolt 37 is pulled by the solenoid device 38 and the fixing groove 35b ), the push bar 35 protrudes toward the door frame A by the elastic member 36 to push the inner surface of the door frame A, and accordingly, the door panel B is opened. rotated in the direction

The control means 39 receives the signal from the rotation detection means 33 and operates the alarm means 40 when it is detected that the user's finger is caught between the gasket 20 and the door frame A to output a warning sound so that the user opens the door, and if the user does not open the door even after a preset time has elapsed, the solenoid device 38 is operated to release the fixation of the push bar 35, forcibly Let the door open.

The alarm means 40 uses a speaker that is operated by the control signal of the control means 39 to output an alarm sound.

As shown in FIG. 12, when a hand enters between the base end of the door panel B and the inner surface of the door frame A when the open door panel B is closed, the door jamming safety accident prevention device configured as described above Similarly, the elastically deformable portion 22 of the gasket 20 is elastically deformed, and the rotating member 31 is pushed rearwardly and rotated by the deformed elastically deformable portion 22 .

And, when the rotation member 31 is rotated, the rotation detection means 33 detects the rotation of the rotation member 31 and outputs a signal, so that the control means 39 controls the door panel B and the door frame ( By detecting that a hand is caught between A) and operating the alarm means 40, the person closing the door panel B is informed that a finger is caught between the door panel B and the door frame A .

And, the control means 39 receives the signal of the rotation detecting means 33, even if a preset time (for example, 1 second) has elapsed, the rotation member 31 is rotated to the original position If it is not sensed that the return to to release the fixing of the push bar 35, the door is forcibly opened.

That is, when someone closes the door, it may occur that someone else puts their hand between the door panel (B) and the door frame (A) mischievously or accidentally. In this case, the person closing the door There may be cases where the door is completely closed without knowing this.

In this case, the gasket 20 is provided on the door panel (B) to prevent injury to the hand inserted between the door panel (B) and the door frame (A) as much as possible. When pulling out, your hand may be scratched against the door frame (A), resulting in injury.

At this time, the control means 39 operates the alarm means 40 to output an alarm, so that the person closing the door no longer closes the door, thereby preventing injury to the hand.

In addition, when the hand inserted between the door panel (B) and the door frame (A) does not come out even when the alarm means (40) is operated, the control means (39) operates the solenoid device (38) to open the door. By forcibly opening, injury to the hand inserted between the door panel (B) and the door frame (A) can be more effectively prevented.

On the other hand, since the description of the technology disclosed in this specification is merely an embodiment for structural or functional description, the scope of the disclosed technology should not be construed as being limited by the embodiment described in the text.

That is, since the embodiment may have various changes and may have various forms, it should be understood that the scope of the disclosed technology includes equivalents capable of realizing the technical idea. In addition, since the object or effect presented in the disclosed technology does not mean that a specific embodiment should include all of them or only such effects, it should not be understood that the scope of the disclosed technology is limited thereby.

In addition, the meaning of the terms described in the present invention should be understood as follows. Terms such as “first” and “second” are for distinguishing one component from other components, and the scope of rights should not be limited by these terms. For example, a first component may be termed a second component, and similarly a second component may be termed a first component.

Furthermore, when it is mentioned that a certain element is "connected" to another element, it may be directly connected to the other element, but it should be understood that another element may exist in the middle. On the other hand, it should be understood that certain components are not present. On the other hand, other expressions describing the relationship between elements, such as “between” and “between” or “neighboring to” and “directly adjacent to”, should be interpreted in the same way.

The singular expression is to be understood as including the plural expression unless the context clearly dictates otherwise, and terms such as “comprises” or “have” are not intended to be used as a reference to the specified feature, number, step, action, component, part, or these. It is intended to indicate that a combination exists, and it should be understood that it does not preclude the possibility of the existence or addition of one or more other features or numbers, steps, operations, components, parts, or combinations thereof.

As described above, although the present invention has been described with reference to limited embodiments and drawings, the present invention is not limited to the above-described embodiments, which are various modifications and variations from these descriptions by those skilled in the art to which the present invention pertains. Transformation is possible. Accordingly, the spirit of the present invention should be understood only by the claims described below, and all equivalents or equivalent modifications thereof will fall within the scope of the spirit of the present invention.

A. Door frame B. Door panel
10. Panel body 20. Gasket

Claims (4)

The door frame (A) in the shape of a square frame installed in the doorway and the square corresponding to the door frame (A) are rotatable to the door frame (A) in the front-rear direction by the hinge (C) provided at the base end. In the door including the coupled door panel (B), the front end of the door panel (B) is pushed rearward to open the doorway, and the door panel (B) is pulled forward to close the doorway,
The door panel (B) is
A panel body (10) and
It is configured in the shape of a bar extending in the vertical direction and is fixed to the side of the base end of the door panel (B) and comprises a gasket (20) for sealing the gap between the door panel (B) and the door frame (A). Door jamming safety accident prevention device.
The method of claim 1,
The gasket 20 is
a support plate 21 fixed to the side of the base end of the panel body 10;
A door jamming safety accident prevention device, which is configured to protrude from the front and rear sides of the side surface of the support plate 21 in the lateral direction and includes a pair of elastically deformable portions 22 having a space portion 22a formed therein. .
3. The method of claim 2,
The support plate 21 is made of a hard synthetic resin material,
The elastic deformation part 22 is a door jamming safety accident prevention device, characterized in that composed of a soft synthetic resin material.
The method of claim 1,
a rotation member 31 that is rotatably coupled to the inside of the elastic deformation portion 22 and rotates when the elastic deformation portion 22 is compressed;
a torsion spring 32 connected to the rotation member 31 to elastically support the rotation member 31;
A rotation detection means 33 connected to the rotation member 31 to detect the rotation of the rotation member 31;
a support 24 provided to extend laterally to the support plate 21;
A push bar 35 slidably coupled to the support 24 in the lateral direction and having a fixing groove 35b formed on one side thereof;
an elastic member (36) connected to the push bar (35) and elastically pressing the end of the push bar (35) to advance toward the door frame (A);
a ratchet bolt 37 provided on one side of the support 24 and coupled to the fixing groove 35b to fix the push bar 35 when the push bar 35 is retracted;
a solenoid device 38 connected to the ratchet bolt 37 and retracting the ratchet bolt 37 according to the operation to release the fixation of the push bar 35;
a control means (39) for receiving a signal from the rotation detecting means (33) and controlling the operation of the solenoid device (38);
A door jamming safety accident prevention device, characterized in that it further comprises an alarm means (40) connected to the control means (39).

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