WO2014193142A2

WO2014193142A2 - Sliding door for preventing blockage

Info

Publication number: WO2014193142A2
Application number: PCT/KR2014/004720
Authority: WO
Inventors: 노승현
Original assignee: Roh Seung Hyun
Priority date: 2013-05-30
Filing date: 2014-05-28
Publication date: 2014-12-04
Also published as: WO2014193142A3; KR101342651B1

Abstract

The present invention relates to a sliding door for preventing a blockage, and a sliding door attached to a door frame by means of hinges so as to pivot according to the present invention includes: a plurality of hinge units separately mounted to the vertical surfaces of the door and the door frame; and a blockage prevention unit for covering the gap between the door and the door frame hinged to each other, wherein each of the plurality of hinge units includes a hinge pin of a given length, a first hinge bracket with a 'ㄷ'-shaped cross section having one end mounted to the door frame by means of the hinge pin so as to pivot, and a second hinge bracket with a 'ㄱ'-shaped cross section having one end mounted to the door by means of the hinge pin so as to pivot, and the blockage prevention unit includes a first blockage prevention unit part of a length corresponding to the vertical length of the door attached to the door for surrounding the hinge unit, the first blockage prevention unit part having a 'ㄷ'-shaped cross section with one end curved.

Description

Sliding swing door

The present invention relates to a hinged door for preventing jamming, and more particularly, to prevent the door hinge, hinge, door frame, etc. from being damaged by the load hinged hinged to the door frame side, to prevent damage to the user's or another person's finger or body It relates to a swing door that can prevent safety accidents, such as part of.

Generally speaking, a hinged door is a door or window that is opened or pushed in or out, and a hinged door is made of steel male and female on the edge of the door frame and the door, and the door is opened by pulling or pushing it in or out using the hinge as a rotation axis. do.

The doors are usually supported by two or three pairs of hinges that act as a rotating shaft, and the handles are moved in and out about the middle of the opposite edge of the hinged door edge. The longer the distance between the handle of the force and the pivot, the axis of rotation, the easier the door opens.

In most cases, it is pulled forward when opened from the outside and pushed out when opened from the inside, with the exception of doors that open inward. One door is called a doorway, and two doors face each other symmetrically, and the doors open from the left and right in the middle are called double doors.

On the other hand, sliding doors to the left and right to open and close is called a sliding door (door) separately. Unlike sliding doors, sliding doors are not many in one piece, and sometimes two, three, or four sliding doors are attached.

Such swing doors are widely used in indoor doors of almost all buildings such as homes, daycare centers and schools, doors of vehicles, doors of electronic products such as refrigerators or washing machines, and the like.

This conventional swing door has a disadvantage that it takes a lot of work time to install a hinge acting as a rotating shaft between the door and the door frame, and the coupling force between the hinge and the door is weak as the load of the door is concentrated on the hinge side. There was a disadvantage that the door is broken or the hinge is detached from the door. In addition, accidents are often caused by a part of an entity, such as a human finger, being injured between the door and the frame while the door is opened or closed. Prior art related to the present invention is Republic of Korea Utility Model Registration No. 20-0340543 (2004.01.26.).

Accordingly, it is an object of the present invention to provide a hinged door for preventing jamming that can overcome the above-mentioned conventional problems.

Another object of the present invention is to provide a jam-proof swing door that can prevent or minimize the safety accident by preventing the part of the body between the door frame and the door.

Another object of the present invention is to provide a hinge-proof swing door that can be installed very easily between the door and the door frame, and can effectively prevent damage to the door or the hinge by evenly distributing the load of the door to the hinge side. .

According to an embodiment of the present invention for achieving some of the above technical problems, the anti-sliding door having a door frame according to the invention and the door frame pivotally hinged, the door and the vertical side of the door frame A plurality of hinge units respectively installed in the hinge units; The door and the door frame is provided with a jam-proof unit is installed to cover the gap hinged, each of the plurality of hinge units, a hinge pin of a predetermined length, the door frame side is mounted on one end of the hinge pin A first hinge bracket having a 'c' shaped cross section pivotally hinged, and a second hinge bracket mounted on the door side with a 'c' shaped cross section and having one end pivotably hinged via the hinge pin. Wherein, the jam-proof unit is installed on the door side having a length corresponding to the vertical length of the door, one end is arranged in a structure surrounding the hinge unit in the '' 'cross-sectional shape of the curved shape 1 anti-twist unit.

The first hinge bracket may include a first mounting part mounted on a vertical surface of the door frame; An extension part that is bent at a front end of the first mounting part to be perpendicular to the first mounting part and extends in a horizontal direction; At the end of the extension portion is bent to be perpendicular to the extension portion is formed to extend to face the first mounting portion and the end is provided with a first hinge portion pivotally hinged via the hinge pin, 'c' The second hinge bracket has a cross-sectional shape, and includes a second mounting part mounted on a vertical surface of the door; At the rear end of the second mounting portion is bent to be perpendicular to the second mounting portion extending in the horizontal direction and the end is provided with a second hinge portion pivotally hinged through the hinge pin, 'b' shaped cross section It may have a shape.

The first pinch preventing unit includes: a third mounting part attached to a vertical surface of the door; A first prevention portion that is bent at a front end portion of the third mounting portion to be perpendicular to the third mounting portion and extends in a horizontal direction to surround the front side of the hinge unit; At the rear end of the third mounting portion is bent to be perpendicular to the third mounting portion extending in the horizontal direction and is formed to face the first prevention portion is provided with a second prevention portion disposed to surround the rear side of the hinge unit Thus, it may have a '' 'cross-sectional shape.

The second mounting portion of the second hinge bracket has a structure that is attached to the other surface of the third mounting portion of the first pinch prevention unit having one surface attached to the vertical surface of the door, the first pinch prevention unit The prevention portion includes a flat portion adjacent to the third mounting portion and a curved portion extending from the flat portion, wherein the flat portion contacts the second hinge portion of the second hinge bracket, and the curved portion rearwards the hinge pin. It may be arranged in a form wrapped around the side.

The pinch preventing unit is arranged to be inserted into a space formed by the combination of the first hinge bracket, the second hinge bracket, the first pinch preventing unit, has a curved shape in the vertical length of the door A second pinch preventing unit having a corresponding length may be further provided, and the second pinch preventing unit may be arranged to surround the extension part and the first hinge part of the first hinge bracket.

The pinch preventing unit further includes a third pinch preventing unit installed on the door or the door frame side, wherein the third pinch preventing unit is a front or rear edge portion of the door of the portion where the handle of the door is located or front and rear of the door frame. It has a structure attached to each of the edge portion, has a band shape of the length corresponding to the vertical length of the door, the cross section is provided in a hollow rectangular or circular shape with a part open, the end of the outer direction is It may have a structure that protrudes in the door frame or door direction to contact the door frame or the door.

According to the present invention, the hinge can be installed very easily between the door and the door frame, and the load of the door can be evenly distributed to the hinge side, thereby effectively preventing the damage of the door or the hinge. In addition, by preventing the pinch of the body part between the door frame and the door can prevent or minimize the safety accident.

1 is an exploded perspective view of a hinge unit mounted to a swing door according to an embodiment of the present invention,

2 is a perspective view and a cross-sectional view of the hinge unit of FIG.

3 is a perspective view of a first pinch prevention unit mounted to a sliding door according to an embodiment of the present invention,

Figure 4 is a perspective view of a second pinch prevention unit mounted to the sliding door according to an embodiment of the present invention,

Figure 5 shows a cross-sectional perspective view of the door open state in a sliding door according to an embodiment of the present invention,

6 is a cross-sectional view of A-B of FIG.

FIG. 7 is a cross-sectional view of the portion A-B of FIG. 5 with the door closed. FIG.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, without any other intention than to provide a thorough understanding of the present invention to those skilled in the art.

1 is an exploded perspective view of a hinge unit mounted to a sliding door according to an embodiment of the present invention, Figure 2 is a perspective view and a cross-sectional view of the hinge unit of Figure 1, Figure 3 is a case according to an embodiment of the present invention 4 is a perspective view of the first pinch preventing unit mounted to the door, Figure 4 is a perspective view of a second pinch preventing unit mounted to the casement door according to an embodiment of the present invention, Figure 5 is a casement according to an embodiment of the present invention FIG. 6 is a cross-sectional view of the AB of FIG. 5 and FIG. 7 is a cross-sectional view of the AB portion of FIG. 5 with the door closed. In particular, FIG. 5 is a perspective view illustrating a state in which the hinge unit is not cut and the upper portions of the jam prevention unit, the door, and the door frame are cut in order to understand the coupling state of the hinge unit and the pinch prevention unit. will be.

As shown in FIGS. 1 to 7, the swing door 100 according to an embodiment of the present invention includes a door frame 5 in which the door 1 and the door 1 are pivotally hinged and hinged. A unit 115 and a

jam prevention unit

140, 150, 160 are provided.

The door 1 and the door frame 5 may generally employ a door 1 and a door frame 5 constituting a swing door well known to those skilled in the art.

The hinge unit 115 is provided in plurality, two pairs may be installed separately on the vertical surface of the upper side and the lower edge side of the door 1 and the door frame 5, respectively, three or more at regular intervals It may be installed every time.

The pinch preventing unit (140, 150, 160) is installed in the edge portion of the door 1 and the door frame of the part where the gap of the door 1 and the door frame 5 is hinged and the handle of the door is located.

As shown in FIGS. 1 and 2, the hinge unit 115 is mounted to a hinge pin 125 having a predetermined length and the door frame 5, and one end of the hinge unit 115 is hinged to the hinge pin 125. The first hinge bracket 110 having a 'C' cross section shape, and the second hinge bracket 120 mounted on the side of the door 1 with a 'C' cross section shape and having one end hinged to the hinge pin 125. It is provided.

The first hinge bracket 110 and the second hinge bracket 120 are hinged to each other relatively pivotally via the hinge pin 125.

The first hinge bracket 110 includes a first mounting part 112, an extension part 114, and a first hinge part 116.

The first mounting portion 112 is to be mounted on a vertical surface of the door frame 5, and is formed in a plate shape extending in the vertical direction (eg, Y-axis direction) of the door frame 5, the first The mounting portion 112 is formed with a plurality of fastening holes (112a).

By fastening fasteners (not shown) such as screws to the fastening holes 112a formed in the first mounting part 112, the first mounting part 112 of the first hinge bracket 110 is the door frame 5. It is mounted on the top vertical plane and the bottom vertical plane.

The first mounting portion 112 has a longer vertical length than the extension portion 114 and the first hinge portion 116, the fastening

Balls 112a are formed by biasing the upper and lower sides of the first mounting portion 112. That is, the first mounting portion 112 is formed to extend in the vertical direction longer vertical length toward the upper side and the lower side than the extension portion 114 and the first hinge portion 116, the fastening hole in the extended portion Fields 112a are formed.

This is because, in the case of the first hinge bracket 110, the fastening through the fastener by the extension part 114 and the first hinge part 116 is not easy due to the structural characteristics of the 'c' shape. In addition, the fastening holes 112a may be formed in the extended portion of the first mounting part 112 to facilitate fastening.

The extension part 114 has a structure that is bent so as to be perpendicular to the first mounting part 112 at the front end of the first mounting part 112 to extend in the horizontal direction. That is, the extension part 114 has a plate shape extending in the horizontal direction (eg, the X axis direction) of the door frame 5. The extension part 114 may have a vertical length smaller than that of the first mounting part 112 including the extension part, and may be bent and extended from the central portion of the first mounting part 112 including the extension part. have.

In the present invention, when the door is opened, it may mean a direction in which the gap between the hinged door and the door frame is opened (or front direction in the drawing).

The first hinge portion 116 is bent to be perpendicular to the extension portion 114 at the end of the extension portion 114 is extended to face the first mounting portion 112 and the end is the hinge pin 125 ) And hinged structure.

The first hinge portion 116 is formed in a plate shape extending in a horizontal direction (for example, Z-axis direction) perpendicular to the extension portion 114, the end portion of the first hinge portion 116 The first hinge hole 116a for inserting the hinge pin 125 is formed in the vertical direction. The first hinge hole 116a is formed to be spaced apart from each other on the upper and lower ends of the first hinge portion 116, respectively, with respect to the second hinge bracket 120 via the hinge pin 125. Relatively pivotally hinged.

The first hinge bracket 110 has a first mounting portion 112, an extension portion 114 and the first hinge portion 116, is formed to have a 'c' cross-sectional shape in the form of an open to the rear side. .

The second hinge bracket 120 has a second mounting portion 122 and the second hinge portion 124 is formed to have a 'b' shaped cross-sectional shape.

The second mounting portion 122 is to be mounted on a vertical surface of the door 1, and is formed in a plate shape extending in the vertical direction (eg, Y-axis direction) of the door 1, and the second A plurality of fastening holes 122a are formed in the mounting portion 122.

By fastening fasteners (not shown) such as screws to the fastening holes 122a formed in the second mounting part 122, the second mounting part 122 of the second hinge bracket 120 is connected to the door 1. ) Is mounted on the top vertical plane and the bottom vertical plane.

The second mounting part 122 is provided to be symmetrical with respect to the first mounting part 112 and the hinge pin 125. That is, the second mounting portion 122 has a longer vertical length than the second hinge portion 124, the fastening holes (122a) is formed to be biased on the upper and lower sides of the second mounting portion (122). That is, the second mounting portion 122 is formed to extend in the vertical direction with a longer vertical length toward the upper side and the lower side than the second hinge portion 124, so that the fastening holes 122a are formed in the extended portion do. The fastening holes 122a may be formed in a central portion of the second mounting portion 122. The second hinge bracket 110 has a 'b' shape, and can be fastened in the open state of the door 1, the fastener than the first hinge bracket 110 forming a 'c' shape Fastening through the fastener is possible through the fastener in the central portion of the second mounting portion 122.

The second hinge portion 124 is bent at a rear end of the second mounting portion 122 to be perpendicular to the second mounting portion 122 has a structure extending in the horizontal direction. That is, the second hinge portion 124 has a plate shape extending in the horizontal direction (eg, the X axis direction) of the door 1. The second hinge portion 124 has a smaller vertical length than the second mounting portion 122 including the extension portion, and is bent and extended from the center portion of the second mounting portion 122 including the extension portion. Can have

At the end of the second hinge portion 124, a second hinge hole 124a for inserting the hinge pin 125 is formed in the vertical direction.

The second hinge hole 124a is formed at the central portion of the end portion of the second hinge portion 124 and hinged relatively to the first hinge bracket 110 via the hinge pin 125. Combined.

The hinge coupling of the first hinge bracket 110 and the second hinge bracket 120 is between the upper hinge hole 116a and the lower hinge hole 116a of the first hinge part 116. In a state where the hinge hole 124a of the second hinge part 124 is fitted, the hinge pin 125 has an upper side hinge hole 116a of the first hinge part 116 and the second hinge part 124. The hinge hole 124a and the lower hinge hole 116a of the first hinge part 116 may be sequentially inserted. Accordingly, the first hinge bracket 110 rotates with the hinge pin 125 as the rotation axis, and the second hinge bracket 120 also rotates with the hinge pin 125 as the rotation axis.

The hinge unit 115 can distribute the load of the door frame 5 and the door 1 more uniformly than in the conventional case, thereby minimizing or preventing damage or distortion of the door frame, the door or the hinge.

The pinch preventing unit (140, 150, 160) is the gap between the door frame (5) and the door (1) and the edge of the door frame (5) and the door (1), which is the portion where the handle of the door (1) is located It is provided to prevent safety accidents such as pinching of the user.

The pinch preventing unit (140,150,160) is provided with a first pinch preventing unit 140 and the second pinch preventing unit (150), it may be further provided with a third pinch preventing unit (160).

As shown in FIG. 3, the first pinch preventing unit 140 has a length corresponding to the vertical length of the door 1 and is attached to the door 1 side, and one end of which is curved. It will be arranged in a structure that surrounds the hinge unit 115 in the 'C' cross-sectional shape.

The first pinch preventing unit 140 includes a third mounting portion 142, a first preventing portion 144, and a second preventing portion 146, and has a 'c' cross-sectional shape of which one end is curved. .

The third mounting portion 142 is to be attached to the vertical surface of the door 1, and has a width and length corresponding to the horizontal width and the vertical length of the vertical surface of the door (1). Width and length of the third mounting portion 142 may be provided the same as the width and length of the vertical surface of the door (1). In addition, the third mounting portion 142 may be provided with

support surfaces

148a and 148b which are bent and extended vertically at both ends in a horizontal direction, and the support surfaces 148a and 148b are formed on the vertical surface of the door 1. By supporting the horizontal end portion in the form of wrap so that the first jamming unit 140 is firmly supported by the door (1).

The first prevention part 144 is bent at a front end of the third mounting part 142 to be perpendicular to the third mounting part so that the door frame 5 is in a horizontal direction (for example, in the X-axis direction or the left direction). It is arranged to extend. The first prevention part 144 may be disposed to surround the front side of the hinge unit 115. To this end, the end of the first prevention part 144 is a vertical surface of the door frame 5 so as to surround most of the extension 114 constituting the first hinge bracket 110 fastened to the door frame 5. It is arranged to be adjacent to. In addition, the end portion of the first preventing portion 144 is bent toward the hinge unit 115 in order to maintain a constant interval with the curved portion 152 of the second anti-twisting unit 150 to smooth rotation and will be described later. It may have a curved surface shape.

The second prevention part 146 is bent to be perpendicular to the third mounting part 142 at the rear end of the third mounting part 142 and extends in the horizontal direction (for example, the X-axis direction or the left direction). It is formed to face the first prevention portion 144 is disposed to surround the rear side of the hinge unit 115. To this end, the end of the second preventing portion 146 is disposed to be adjacent to the vertical surface of the door frame 5 so as to surround most of the hinge unit 115.

In addition, the second prevention part 146 includes a flat part 146a adjacent to the third mounting part 142 and a curved part 146b extending from the flat part 146a, and the flat part 146a. In contact with the second hinge portion 124 of the second hinge bracket 120, the curved portion 146b may be disposed in a form surrounding the hinge pin 125 from the rear side. The curved portion 146b may be formed when the door 1 is opened by the rotation of the second hinge bracket 120, and an end portion of the second prevention portion 146 may be formed on the door frame 5. This is to prevent the rotation of the door 1 is prevented from contacting.

The second pinch preventing unit 150 has a length corresponding to the vertical length of the door (1), the first hinge bracket 110, the second hinge bracket 120, the first pinch preventing unit Arranged to be inserted into the front space (for example, the space where the gap between the door 1 and the door frame 5 is opened by the opening of the door 1) formed by the engagement of the 140. Can be.

The second pinch preventing unit 150 may have a curved shape and may be disposed to surround the entirety of the extension part 114 and the first hinge part 116 of the first hinge bracket 110. The second pinch prevention unit 150 may have an outer surface of a curved shape, and a portion of the inner surface may have an arc shape in contact with the first hinge portion 116.

The second pinch prevention unit 150 is provided with a curved portion 152, a door frame mounting portion 154, a first hinge contact portion 158, a second hinge contact portion 156, the first hinge bracket 110, The second hinge bracket 120 and the first pinch preventing unit 140 may be inserted into a shape that is inserted into a space formed by the combination.

The door frame mounting portion 154 is a flat portion mounted on a vertical surface of the door frame 5 adjacent to the mounting portion of the first mounting portion 112 of the first hinge bracket 110. The curved portion 152 is a portion extending in a horizontal direction from one end of the door frame mounting portion 154 with a certain curvature, the extension portion 114 and the first of the first hinge bracket 110 when the door is closed 1 is disposed in a shape surrounding the hinge 115, the end of the curved portion 152 is in contact with the second hinge portion 124 of the second hinge bracket 120 or finely spaced when the door is in a closed state Will be formed.

The second hinge contact portion 156 is bent inwardly from the end of the curved portion 152 and extends to contact the second hinge portion 124 of the second hinge bracket 120 when the door 1 is closed. Or to be spaced apart finely, and is formed to be spaced apart from the second hinge portion 124 when the door 1 is opened. An end portion of the second hinge contact portion 156 is formed to contact or finely spaced apart from the first hinge portion 116 of the first hinge bracket 110.

The first hinge contact portion 158 is bent vertically inward from the end of the second hinge contact portion 156 and extends, and the first hinge bracket 110 may be opened regardless of whether the door 1 is opened or closed. 1 is to be in contact with the hinge 116. An end portion of the first hinge contact portion 158 is formed to be coupled to a portion of the inner surface of the curved portion 152.

Accordingly, a portion of the curved portion 152, the second hinge contact portion 156 and the first hinge contact portion 158 has a triangular cross-sectional shape of one surface is curved.

The first pinch preventing unit 140 and the second pinch preventing unit 150 may have a synthetic resin material, a metal material such as aluminum or stainless steel.

The third pinch preventing unit 160 is to be installed on the door 1 or the door frame 5 side, and has a strip shape with a length corresponding to the vertical length of the door 1 and the door 1. It has a structure that is attached to the front and rear edge portions of or the front and rear edge portions of the door frame (5), respectively.

The third pinch prevention unit 160 is provided in the shape of a hollow quadrangular or circular with a portion of the cross section open. Specifically, the third anti-twisting unit 160 is formed in a structure in which a plate of a predetermined thickness is rolled into a hollow shape and fixed at both ends so as not to contact each other, and the space between both ends is opened so that the internal space and the outside communicate. You can do that.

The third pinch preventing unit 160 has a structure that protrudes in the direction of the door frame 5 or the door 5 so that the end portion in the outward direction is in contact with the door frame 5 or the door 1.

The third pinch preventing unit 160 may have a material having a certain elasticity, such as silicone or natural rubber.

The third pinch preventing unit 160 is a pinch preventing unit 160a installed at the front and rear edge portions of the door of the portion where the handle of the door 1 is positioned and a pinch preventing unit installed at the front and rear edge portions of the door frame 5. It is divided into (160b), is installed for preventing the jam when opening and closing the door (1).

Hereinafter, the fastening process of the above-described pinch opening and closing door 100 will be described with reference to FIGS. 5 to 7.

First, one surface of the third mounting portion 142 of the first jamming unit 140 is attached to a vertical surface of the door 1 to fasten the first jamming unit 140. Attachment may be adhesive tape or adhesive.

Thereafter, the hinge unit 115 hinged through the hinge pin 125 is mounted on the upper and lower portions of the door 1.

It can be attached to the center part of the door 1, too. The second mounting portion 122 of the second hinge bracket 120 is fixed to the upper, lower, and center portions of the vertical surface of the door 1 by fastening fasteners. That is, the second hinge brackets are formed on the other surface portion of the third mounting portion 142 in a state where one surface of the third mounting portion 142 of the first jamming prevention unit 140 is attached to the vertical surface of the door 1. The second mounting portion 122 of the 120 is fastened through fasteners such as screws.

Accordingly, the second mounting portion 122 of the second hinge bracket 120 is formed of the third mounting portion 142 of the first pinch preventing unit 140 having one surface attached to a vertical surface of the door 1. It has a structure attached to the other surface.

Next, the first mounting portion 112 of the first hinge bracket 110 is fixed to the upper, middle, and lower portions of the vertical surface of the door frame 5 by fastening fasteners.

Then, in the state in which the door 1 is open, the second pinch preventing unit 150 is mounted.

When the second pinch preventing unit 150 is mounted on the door frame mounting portion 154 on the vertical surface of the door frame 5, the curved portion 152 extends 114 of the first hinge bracket 110. And a first hinge part 116, and the first hinge contact part 158 is in contact with the first hinge part 116. When the door 1 is closed, the second hinge contact portion 156 is in contact with the second hinge portion 124 of the second hinge bracket 120.

When the second pinch preventing unit 150 is mounted, when the door 1 is closed, the first hinge bracket 110, the second hinge bracket 120, the first pinch preventing unit 140 of the It is arranged to be inserted into the space formed by the coupling.

Since the first hinge bracket 110 and the second pinch preventing unit 150 are mounted on the door frame 5, the second hinge brackets mounted on the door 1 do not move when the door 1 is opened or closed. 120 and the first jamming unit 140 is to rotate with the door.

Since the third pinch preventing unit 160 is attached to each of the front edge portion of the door 1 and the rear edge portion of the door frame in which the handle portion of the door 1 is positioned using adhesive tape, respectively, FIG. Complete the jam-proof swing door 100 as shown in 7 to 9 is completed.

As described above, when the door 1 is closed, the jamming door 100 as described above has a gap between the hinged part of the door 1 by the first jamming unit 140 as shown in FIG. 7. Wrapped in front and rear, can effectively prevent pinching, and when the door (1) is opened, as shown in Figures 5 and 6, the first pinch preventing unit 140 covers the rear gap and In addition, the second pinch preventing unit 150 may effectively prevent pinch by covering a gap in the front.

As described above, according to the present invention, the gap between the first and second pinch preventing unit (140.150) installed between the hinge engaging gap of the door 1 and the door frame 5 at the time of opening and closing operation of the door (1). As the occurrence is prevented, hand pinching can be effectively prevented. In addition, through the hinge unit 115 described above, the load of the door frame 5 and the door 1 can be evenly distributed than in the conventional case, so that damage or distortion of the door frame, door or hinge can be minimized or prevented. do. And it is provided with a third pinch prevention unit 160 can prevent the pinch more effectively.

The description of the above embodiments is merely given by way of example with reference to the drawings for a more thorough understanding of the present invention, and should not be construed as limiting the present invention. In addition, it will be apparent to those skilled in the art that various changes and modifications can be made without departing from the basic principles of the present invention.

* Description of the sign *

110: first hinge bracket 115: hinge unit

120: second hinge bracket 140: first pinch prevention unit

150: second pinch prevention unit 160: third pinch prevention unit

1: door 5: door frame

Claims

In a jam-proof swing door having a door and a door frame pivotally hinged to the door:

A plurality of hinge units installed separately on the door and the vertical surface of the door frame;

The door and the door frame is provided with a jam-proof unit that is installed to cover the gap hinged,

Each of the plurality of hinge units includes a hinge pin having a predetermined length, a first hinge bracket having a cross-sectional shape of a 'c' shape, which is mounted on the side of the door frame and whose one end is pivotably hinged through the hinge pin. It has a second hinge bracket which is mounted to the door side in the shape of a cross-section and one end is pivotally hinged via the hinge pin,

The pinch preventing unit has a length corresponding to the vertical length of the door is installed on the door side, the end portion is arranged in a structure that surrounds the hinge pin and the second hinge bracket in the '' 'cross-section of the curved shape. Sliding door for preventing jam characterized in that it comprises a first jamming prevention unit.
The method according to claim 1,

The first hinge bracket may include a first mounting part mounted on a vertical surface of the door frame; An extension part which is bent at a front end of the first mounting part to be perpendicular to the first mounting part and extends in a horizontal direction; At the end of the extension portion is bent to be perpendicular to the extension portion is formed to extend to face the first mounting portion and the end is provided with a first hinge portion pivotally hinged via the hinge pin, 'c' Has a cross-sectional shape,

The second hinge bracket may include a second mounting part mounted on a vertical surface of the door; At the rear end of the second mounting portion is bent to be perpendicular to the second mounting portion extending in the horizontal direction and the end is provided with a second hinge portion which is pivotally hinged through the hinge pin, 'b' shaped cross section Slip-proof swing door characterized by having a shape.
The method of claim 2, wherein the first pinch preventing unit,

A third mounting part attached to the vertical surface of the door; A first prevention portion that is bent at a front end portion of the third mounting portion to be perpendicular to the third mounting portion and extends in a horizontal direction to surround the front side of the hinge unit; At the rear end of the third mounting portion, the second mounting portion is bent to be perpendicular to the third mounting portion, extends in the horizontal direction, and is formed to face the first prevention portion, and is disposed to surround the rear side of the hinge unit. By, 'C' shaped cross-swing door for characterized in that it has a cross-sectional shape.
The method according to claim 3,

The second mounting portion of the second hinge bracket has a structure that is attached to the other surface of the third mounting portion of the first pinch prevention unit having one surface attached to the vertical surface of the door,

The second prevention portion of the first pinch prevention unit has a flat portion adjacent to the third mounting portion and a curved portion extending from the flat portion, the flat portion is in contact with the second hinge portion of the second hinge bracket And the curved portion of the hinge door is arranged in such a way that the hinge pin is wrapped in the rear side.
The method of claim 2 or 3, wherein the jamming unit,

A first hinge bracket, a second hinge bracket, and a first insertion bracket formed in a space formed by coupling the first hinge bracket, the first pinch preventing unit, and having a curved shape and a length corresponding to a vertical length of the door; 2 more anti-twist unit,

The second pinch preventing unit is a pinch preventing swing door, characterized in that it is arranged in a form surrounding the extension portion and the first hinge portion of the first hinge bracket.
The method of claim 2 or 3, wherein the jamming unit,

Further provided with a third pinch prevention unit installed on the door or door frame side,

The third pinch prevention unit has a structure that is attached to each of the front and rear edges of the door or the front and rear edges of the door frame of the portion where the handle of the door is located, and has a band shape of the length corresponding to the vertical length of the door It is provided in a rectangular or circular shape of a hollow cross section with a part open, and has a structure that protrudes in the direction of the door frame or door so that the outer end portion is in contact with the door frame or the door. door.