A hinged door that is easy to install by separating and assembling the door from the door frame

Abstract

The present invention relates to a hinge for a hinged door that facilitates easy separation and assembly of the door from the door frame. The hinge comprises: a fixed hinge having a fixed bracket fixedly attached to one side of the door frame, either the left or right side of the door frame, which is fixedly installed at the entrance of a building, and a fixed bearing portion formed in a cylindrical shape at one end of the fixed bracket; a pivoting hinge having a pivot bracket fixedly attached to one side of the door to rotate together with the door installed to open and close the entrance of the building, and a pivoting bearing portion formed in a cylindrical shape at one end of the pivoting bracket; and a central rotational support shaft that rotatably connects the pivoting hinge to the fixed hinge. The fixed hinge of the above-mentioned hinged door is configured to be integrally formed with a fixed bracket fixedly attached to one side of the door frame and a fixed shaft member, into which a central rotational support shaft is press-fitted at one end of the fixed bracket, connected by an extended protrusion formed to protrude with a certain width from the lower side of the fixed bracket. The invention is characterized in that the pivot hinge of the above-described hinged door is configured to be integrally formed with a pivot bracket fixedly attached to one side of the hinged door and a pivot bearing portion into which a central rotational support shaft is rotatably inserted at one end of the pivot bracket, connected by a bent protrusion formed by being bent at a right angle to a certain width from the upper side of the pivot bracket.

Description

Technology Field

[0001] The present invention relates to a hinge for a hinged door that facilitates easy separation and assembly of the door from the door frame. More specifically, the invention relates to a hinge for a hinged door configured such that, in a state where a fixed hinge is fixedly attached to the door frame and a pivot hinge is fixedly attached to the door, the pivot hinge attached to the door is rotatably inserted into the fixed hinge fixedly attached to the door frame, thereby allowing the door to be rotatably assembled and installed on the door frame, and also allowing the door to be easily separated and assembled from the door frame by raising and lowering the door installed on the door frame to a certain height. Background Technology

[0002] Generally, a hinge for a swing door is configured to form a pair of fixed hinges that are fixedly attached to a door frame installed in the doorway and pivot hinges that are rotatably installed in the doorway, and this is also referred to as a hinge.

[0003] A hinge for a conventional hinged door, typically installed in the entrances of various buildings or the front doors of general houses, is configured to rotatably connect a fixed bearing portion formed in a cylindrical shape at one end of a fixed hinge fixedly attached to the door frame of the door and a pivot bearing portion formed in a cylindrical shape at the other end of the door to each of these components with a single hinge piece. Additionally, a plurality of upper and lower fixed bearing portions are formed at one end of the fixed hinge fixedly attached to the door frame, while a pivot bearing portion formed at the other end of the door is positioned between the upper and lower fixed bearing portions of the fixed hinge, and the entire assembly of the upper and lower fixed bearing portions and the pivot bearing portion is connected and assembled so that a single hinge pin passes through them.

[0004] However, it has been pointed out as a problem that, in the case of the hinge of the conventional door as described above, the door must be rotatably assembled and installed on the door frame by attaching the fixed hinge and the pivot hinge together to the door frame and the door, respectively, in a manner that allows the door to be rotatably connected by a single hinge piece, and thus typically two or more workers are required to assemble and install the door.

[0005] Furthermore, it has been pointed out that a problem with conventional hinges for swing doors is that the door, which is already installed at the entrance, cannot be easily detached from the door frame. One reason for this is that when a previous resident moves out and needs to move various large and small items, or conversely, when a new resident wishes to temporarily detach the swing door from the frame to move items brought by them, one must perform the tedious task of loosening multiple mounting bolts to remove the fixed hinges attached to the frame, or loosen multiple assembly bolts when removing the pivot hinges fixed to the swing door. Additionally, after the items have been moved, various problems arise, such as the cumbersome and difficult task of re-screwing the loosened assembly bolts to restore the previously removed fixed and pivot hinges to their original state. Moreover, during the relocation of items, the door is left open at a certain angle, causing large volume and It is pointed out as a problem that bulky items such as expensive furniture or refrigerators, as well as expensive electronic products, may come into contact with or hit the door, causing them to break or get scratched. Prior art literature

[0006] Registered Patent Publication No. 10-0941461 (Published Feb. 11, 2010) Registered Patent Publication No. 10-1304235 (Published Jul. 30, 2013) Published Patent Publication No. 10-2024-0002677 (Published Jan. 5, 2024) The problem to be solved

[0007] The present invention is proposed to solve the various problems arising from the prior art described above. It relates to a method of rotatably connecting a fixed hinge, which is fixedly attached to one of the left or right door frames installed in the entrances and vestibules of buildings such as general detached houses, and a pivot hinge, which is fixedly installed on one side of a hinged door installed thereon, around a single hinge axis. When it is desired to temporarily detach the door installed to open and close in the building entrance from the door frame, the hinged door to which the pivot hinge is attached is lifted to a certain height while leaving the fixed hinge fixedly attached to the door frame installed in the building entrance in place. This allows for easy detachment of the hinged door from the door frame of the entrance, and also enables reinstallation of the temporarily detached hinged door to the door frame in its original state. In this state, the hinge hinge is positioned slightly higher than the fixed hinge fixed to the door frame, and the pivot hinge is positioned above the fixed hinge. The invention aims to provide a hinge for a hinged door that is configured to be reassembled so that when moving various items through a building entrance, the hinged door can be completely separated from the door frame of the building entrance, thereby allowing the items to be moved safely without coming into contact with the door, etc., and furthermore, after all the items have been safely moved, the hinged door that was previously separated can be reassembled back into the door frame and reinstalled in its original state. means of solving the problem

[0008] The present invention is a means for pursuing the above-mentioned purpose,

[0009] A hinge for a swing door comprising: a fixed hinge having a fixed bracket fixedly attached to one of the left or right door frames of a door frame body fixedly installed at the entrance of a building, and a fixed bearing portion formed in a cylindrical shape at one end of the fixed bracket integrally formed therewith; a pivoting hinge having a pivot bracket fixedly attached to one side of the door to rotate together with the door installed to open and close the entrance of the building, and a pivoting bearing portion formed in a cylindrical shape at one end of the pivoting bracket integrally formed therewith; and a central rotational support shaft that rotatably connects the pivoting hinge to the fixed hinge.

[0010] The fixed hinge of the above-mentioned hinged door is configured to be integrally connected by a fixed bracket fixedly attached to one side of the door frame and a fixed shaft member, into which a central rotational support shaft is press-fitted at one end of the fixed bracket, and an extended protrusion formed protruding with a certain width from the lower side of the fixed bracket.

[0011] The pivot hinge of the above-described hinged door is characterized by being configured such that a pivot bracket fixedly attached to one side of the hinged door and a pivot bearing portion into which a central rotational support shaft is rotatably inserted at one end of the pivot bracket are integrally connected by a bent protrusion formed by being bent at a right angle to a certain width from the upper side of the pivot bracket.

[0012] In addition, the lower end of the central rotational support shaft, which is fixedly installed by press fitting on the fixed bearing portion integrally formed on the fixed bracket, has a locking projection integrally formed to engage with the fixed bearing portion, and the upper end of the rotational bearing portion integrally formed on the rotational bracket has a fixing pin fixedly attached so that the locking portion engages with the insertion portion while the insertion portion is press-fitted.

[0013] In addition, the invention is characterized by being configured such that a rotational support ring is inserted and installed between a fixed bearing portion, in which a central rotational support shaft is fixedly installed by an interference fit while integrally formed with the fixed bracket, and a rotational bearing portion of a rotational bracket, which is rotatably inserted and assembled above the central rotational support shaft, to support the load of a hinged door while rotatably assembled to the central rotational support shaft. Effects of the invention

[0014] According to the present invention, since a hinged door installed to be opened and closed on the door frame body of a building entrance can be easily temporarily detached and reinstalled, when moving out or moving in, the hinged door can be detached from the door frame body and stored in a safe place, and after moving all the items, the hinged door that was previously detached and stored can be reassembled and reinstalled on the door frame body, thereby having the effect of safely moving various large furniture items such as wardrobes and home appliances such as refrigerators. Additionally, the invention has the effect of allowing people moving out or moving in to safely move their belongings by temporarily detaching the hinged door and storing it in a safe place, and then safely reinstalling the hinged door that was previously detached on the door frame body after moving all the large and small belongings, such as furniture and electronic appliances. Brief explanation of the drawing

[0015] FIG. 1 is a perspective view of the assembled state of the hinge of the hinged door of the present invention. FIG. 2 is a perspective view of the rotational operation state to show the state in which the pivot hinge of the hinged door hinge of the present invention is rotated at a certain angle. FIG. 3 is an exploded perspective view showing the fixed hinge and the pivot hinge constituting the hinge of the hinged door of the present invention separated. FIG. 4 is a front view, a plan view, and a right side view to show the configuration of a fixed hinge constituting the hinge of a swing door of the present invention. FIG. 5 is a front view, a plan view, and a right side view to show the configuration of a pivot hinge constituting a hinge of a swing door of the present invention. FIG. 6 is a front view of the installation state of a fixed hinge fixedly attached to one side of a door frame of a door frame body to explain the usage state of the hinge of the present invention. FIG. 7 is a perspective view of the installation state of a pivot hinge attached to one side of a hinged door to explain the usage state of the hinge of the present invention. FIG. 8 is a cross-sectional view of the combined state of a fixed hinge and a pivot hinge fixedly installed on each of the door frame body and the hinged door shown by the cross-sectional views of lines AA and BB in FIG. 6 and 7. FIG. 9 is a diagram showing the rotational operation state of a pivot hinge as an enlarged view of section C of FIG. 8. FIG. 10 is an exploded perspective view showing the separation and assembly state of a fixed hinge and a pivot hinge to separate and assemble a hinged door from a door frame body in order to explain the usage state of the hinged door of the present invention. Specific details for implementing the invention

[0016] A specific embodiment of a hinged door hinge according to the present invention, which facilitates easy separation and assembly of the door from the door frame, is described in detail in the attached drawings as follows.

[0017] The drawing of FIG. 1 shows the combined state of a fixed hinge (2) and a pivot hinge (3) constituting the hinged door hinge (1) of the present invention. Each of the fixed hinge (1) and the pivot hinge (3) constituting the hinged door hinge (1) is configured such that a fixed bearing part (22) formed integrally connected to the fixed bracket (21) of the fixed hinge (2) and a pivot bearing part (32) formed integrally connected to the pivot bracket (31) of the pivot hinge (3) are rotatably connected by a single central rotation support shaft (4), as shown in FIG. 2 and FIG. 3.

[0018] Additionally, as shown in FIG. 3, the fixed hinge (2) and the pivot hinge (3) are each configured such that the fixed bearing member (21), which is integrally connected to the fixed bracket (21) of the fixed hinge (2), has the central rotational support shaft (4) fixedly attached in a press-fit state, whereas the pivot bearing member (32), which is integrally connected to the pivot bracket (31) of the pivot hinge (3), can be assembled by inserting it from the upper side of the central rotational support shaft (4), and the pivot bearing member (32), which is integrally connected to the pivot bracket (3), can be separated upward. Furthermore, the fixed bracket (21) of the fixed hinge (2) and the pivot bracket (31) of the pivot hinge (3) each have multiple bolt assembly holes (21a) (32a) at regular intervals for screw assembly and fixed attachment to the door frame and the door, respectively, using multiple assembly bolts (50) (60). It is formed.

[0019] In addition, the fixed hinge (2) constituting the hinged door hinge (1) is formed as shown in FIG. 6, and is fixedly attached to the upper and lower parts of the right door frame (5b) in the drawing using assembly bolts (50: see FIG. 10), and an extension protrusion (22) formed protruding from the lower part of the fixed bracket (21) with a certain width (S1), and a fixed bearing part (53) formed in a cylindrical shape at the end of the extension protrusion (22) are integrally formed. The height (H1) of each of the extension protrusion (22) formed protruding from the lower part of the fixed bracket (21) with a certain width (S1) and the fixed bearing part (23) formed in a cylindrical shape at the end thereof is structured to have a short height corresponding to 1 / 3 of the total height of the fixed bracket (2).

[0020] Additionally, a central rotational support shaft (4) is fixedly assembled to a cylindrical fixed bearing member (23) that is integrally connected to the end of an extended bearing member (22) that protrudes with a certain width (S1) on one side of a fixed bracket (21) forming the fixed hinge (2), and the central rotational support shaft (4) is fixedly assembled by means of a catch (41) that catches on the lower end of the fixed bearing member (23) while the lower end of the central rotational support shaft (4) is inserted into the fixed bearing member (23) by means of a certain width (S1). Meanwhile, the upper end (42) of the central rotational support shaft (4) is fixedly installed so as to protrude at a certain height (L) toward the upper side of the fixed bearing member (23).

[0021] In addition, the pivot hinge (3) constituting the hinge (1) of the above-mentioned hinged door is integrally formed with a pivot bracket (31) that is fixedly attached to the upper and lower sides (see right side in the drawing) of one side (see right side in the drawing) of the hinged door (6) using a plurality of assembly bolts (60: see FIG. 10), a bent protrusion (32) that is formed by bending at a right angle while protruding by a certain width (S2) from the upper part of the pivot bracket (31), and a pivot bearing part (33) that is cylindrically connected to the end of the bent protrusion (32). Each of the bent protrusion (32) that protrudes by a certain width (S2) from the upper part of the pivot bracket (31) and the pivot bearing part (33) that is formed in a cylindrical shape at its end is structured such that its height (H2) is short, to the extent that it corresponds to 1 / 3 of the total height of the pivot bracket (3). there is.

[0022] Additionally, a fixing pin (34) is fixedly attached to the upper end of a pivot bearing part (33) formed at a certain width (S2) apart from the upper end of the pivot bracket (31) of the pivot hinge (3), such that an insertion part (34a) is forcibly fitted thereon and a locking part (34b) is fixed thereon. Below the insertion part (34a) of the fixing pin (34) forcibly fitted to the pivot bearing part (33), an insertion space (35) is formed so that the upper end (42) of a central rotation support shaft (4), which protrudes upward while forcibly fitted to the fixed bearing part (23) of the fixed hinge (2), is rotatably fitted therein. (See FIG. 5)

[0023] In addition, a rotational support ring (4a) is rotatably assembled to a central rotational support shaft (4) which is fixedly installed by a press fit on the fixed bearing portion (23) of the fixed hinge (2). The rotational support ring (4a) is configured to rotatably support a pivot hinge (3) into which an insertion space portion (35) is rotatably inserted into the upper portion (42) of the central rotational support shaft (4), and at the same time, to sufficiently support the load of the hinged door (6) itself which is fixedly attached to the pivot hinge (3), thereby guiding the opening and closing operation of the hinged door (6).

[0024] Meanwhile, as shown in FIG. 7, the hinged door (6) installed in a hinged manner on the door frame body (5) is installed with a door handle (61) attached to the left side of the drawing by a safety cover (62). Additionally, a hand pinch prevention device (63a) (63b) made of a soft elastic material is installed vertically and fixedly on each of the left and right sides of the hinged door (6). In the case of the left hand pinch prevention device (63a) assembled and installed on the left side of the hinged door (6), it is installed in a state of being vertically attached to the left side of the hinged door (6) by the door safety cover (62) on which the door handle (61) is installed. In the case of the right hand pinch prevention device (63b) assembled and installed on the right side of the hinged door (6), the upper and lower parts are fixedly attached to the upper and lower parts of the right side of the hinged door (6) by assembly bolts (60). It is configured to be fixedly installed so as to be in close contact vertically and supported by the bent protrusion (32) of the pivot hinge (3). (See FIGS. 8 and 9)

[0025] Each of the fixed hinge (2) and the pivot hinge (3) constituting the hinge (1) of the present invention configured as described above is installed to be separately fixedly attached to the right door frame (5b) of the door frame body (5) and one side (right side in the drawing) of the hinge door (6) in a separated state. The fixed hinge (2) and the pivot hinge (3), which are separately fixedly installed to the right door frame (5b) and the hinge door (6) respectively, are configured to be easily assembled so as to be rotatable when the hinge door (6) is to be installed on the door frame body (5).

[0026] That is, as shown in FIG. 10, the upper part (42) of the central rotation axis (4), which is fixed by a press fit to the fixed bearing part (23) of the fixed hinge (2) fixedly attached to the right door frame (5b) of the door frame body (5), is inserted into the insertion space (35) formed in the pivot bearing part (33) of the pivot hinge (3) fixedly attached to one side (see right side in the drawing) of the hinge door (6), so that the hinge door (6) can be rotatably assembled and installed on the right door frame (5b) of the door frame body (5). At this time, the fixed hinge (2) and the pivot hinge (3), which are fixedly attached to the right door frame (5b) of the door frame body (5) or one side of the hinge door (6) by a plurality of attachment bolts (50) (60), etc., can be separated and assembled without being removed from the door frame or door by unscrewing. It exists.

[0027] In other words, when the hinged door (6) is lifted upward to a certain height to loosen the pivoting pivot part (33) of the pivoting hinge (3), which is rotatably inserted into the upper part (42) of the central rotational support shaft (4) that protrudes at a certain height (L) above the fixed pivoting pivot part (23) while being forcibly fitted into the fixed pivoting pivot part (23) of the fixed hinge (2) fixedly attached to the right door body (5b), the pivoting hinge (3) attached to the hinged door (6) becomes loose from the upper part (42) of the central rotational support shaft (4), thereby allowing the hinged door (6) to be separated from the door frame body (5). Conversely, when the hinged door (6) that was separated is to be reassembled to the door frame body (5), the upper and lower sides of one side (refer to the right side in the drawing) of the hinged door (6) are attached When the hinged door (6) is lifted so that the pivot bearing portion (33) of the upper and lower pivot hinge (3) is positioned slightly higher than the upper portion (42) of the central rotational support shaft (4) which is fixedly assembled by force fitting to the fixed bearing portion (23) of the fixed hinge (2), the upper portion (42) of the central rotational support shaft (4) is inserted into the insertion space (35) formed on the lower side of the pivot bearing portion (33) of the pivot hinge (3), the hinged door (6) can be rotatably assembled and installed on the central rotational support shaft (4) which is fixedly fitted to the fixed hinge (2) attached to the right door frame (5b).

[0028] As explained above, when the present invention intends to assemble and install a hinged door (6) on a door frame body (5) fixedly installed at the entrance of a building, the upper part (42) of the central rotation axis (4), which is fixedly assembled by force fit to the fixed bearing part (23) of a fixed hinge (2) fixedly attached to one of the left or right door frames (5a) (5b) of the door frame body (5), is assembled so that it can be rotatably inserted into the insertion space (35) formed in the pivot bearing part (33) of a pivot hinge (3) fixedly attached to the left or right side of the hinged door (6). This allows the hinged door (6) to be installed on the door frame body (5) so that it can be opened and closed in a hinged manner. Furthermore, when the hinged door (6) installed on the door frame body (5) to be opened and closed is to be temporarily separated from the door frame body (5), the hinged door (6) It has the effect of allowing it to be re-installed by lifting it upward to a certain height, separating it from the door frame body (5), storing it safely in a safe place, and then reassembling it back into the door frame body (5). Explanation of the symbols

[0029] 1 : Hinged door hinge 2 : Fixed hinge 21 : Fixed bracket 22 : Extension protrusion 23 : Fixed bearing part 3 : Rotating hinge 31 : Rotating bracket 32 ​​: Bending protrusion 33: Rotating shaft part 34: Fixing pin 34a: Insertion part 34b: Locking part 35 : Insertion space 4 : Center rotation support shaft 4a: Rotating support ring 41: Stopping projection 42 : Upper 5 : Door frame body 5a : Left door frame 5b : Right door frame 6 : Hinged door 61 : Door handle 62: Door safety cover 63a, 63b: Finger pinch guard

Claims

Claim 1 A hinged door hinge (1) comprising: a fixed bracket (21) fixedly attached to one of the left and right door frames (5a) (5b) of a door frame body (5) fixedly installed at the entrance of a building; a fixed hinge (2) configured to be forcibly fitted onto a central rotational support shaft (4) at one end of a fixed bracket, wherein a fixed bearing portion (23) formed in a cylindrical shape at one end of the fixed bracket; a pivoting hinge (3) integrally formed with a pivoting bracket (31) fixedly attached to one side of a hinged door (6) to rotate together with the hinged door (6) installed to open and close at the entrance of a building, wherein a pivoting bearing portion (33) formed in a cylindrical shape at one end of the pivoting bracket is formed; and a central rotational support shaft (4) that rotatably connects the fixed bearing portion (23) of the fixed hinge (2) and the pivoting bearing portion (33) of the pivoting hinge (3). The fixed hinge (2) of the hinged door hinge (1) is configured to be formed integrally by a fixed bracket (21) fixedly attached to the right door frame (5b) and a fixed bearing part (23) into which a central rotational support shaft (4) is forcibly fitted at one end of the fixed bracket, and an extended protrusion (22) protruding by a certain width (S1) from the lower side of the fixed bracket (21); and the pivot hinge (3) of the hinged door hinge (1) is configured to be formed integrally by a pivot bracket (31) fixedly attached to one side of the hinged door (6) and a pivot bearing part (33) connected to one end of the pivot bracket so as to be rotatably inserted into the central rotational support shaft (4), and a bent protrusion (32) formed to be bent at a right angle while protruding by a certain width (S2) from the upper side of the pivot bracket (31). Hinged door hinge that is easy to disassemble and assemble. Claim 2 delete Claim 3 delete

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