WO2009072790A2

WO2009072790A2 - Apparatus for opening and closing door

Info

Publication number: WO2009072790A2
Application number: PCT/KR2008/007109
Authority: WO
Inventors: Jin-Cheol Sin
Original assignee: Jin-Cheol Sin
Priority date: 2007-12-03
Filing date: 2008-12-02
Publication date: 2009-06-11
Also published as: KR100898194B1; KR20070121621A; WO2009072790A3

Abstract

An apparatus for opening and closing a door according to the present invention has the following advantages. The apparatus is applicable to a general door and suitable in particular where a space for a lateral sliding motion of a door is absent or insufficient, and enables a person kept indoors to escape rapidly and safely in case of emergency such as fire.

Description

APPARATUS FOR OPENING AND CLOSING DOOR

Technical Field

[1] The present invention relates to an apparatus for opening and closing a door, and more specifically, to an apparatus for opening and closing a door that is applicable to a general door and suitable in particular where a space for a lateral sliding motion of a door is absent or insufficient, and enables a person kept indoors to escape rapidly and safely in case of emergency such as fire.

Background Art [2] Generally, an automatic door, or a door that is automatically opened and closed by a driving motor or a cylinder, is opened and closed by its lateral sliding. Accordingly, a predetermined space is necessary for the lateral sliding motion of the door. However, if there is no such space, it is impossible to install the automatic door. [3] In the case that the space is insufficient for a lateral sliding motion of a door, the door needs size reduction to be installed in the space. [4] When an existing manually-operated door is replaced by an automatic door, the above-mentioned problem may arise. [5] Further, if a separate construction is made to create a space for a lateral sliding motion of a door, it takes the construction costs. [6] Meanwhile, in case of emergency such as fire, most of people open the door by pushing the door unconsciously rather than by sliding the door. By this reason, a sliding door is not suitable as an emergency exit.

Disclosure of Invention

Technical Problem [7] The present invention is designed to solve the above-mentioned problems, and therefore it is an object of the present invention to provide an apparatus for opening and closing a door that can automatically open and close the door even in the case that a space for a lateral sliding motion of the door is insufficient. [8] It is another object of the present invention to provide an apparatus for opening and closing a door that is applicable to a general door. [9] It is yet another object of the present invention to provide an apparatus for opening and closing a door that opens the door by a pushing motion so that a person kept indoors can escape rapidly and safely in case of emergency such as fire.

Technical Solution [10] In order to achieve the above-mentioned objects, an apparatus for opening and closing a door comprises a moving unit including a connection member rotatably installed on a top or bottom end of the door or a side of the door adjacent to the upper end of the door; and a moving member operative to reciprocatively move the connection member in a preset section; and a linking member operative to link the door with a wall lateral to the door at one or more area and installed pivotally to the wall and rotatably to the door. As a closed door is moved toward the wall by the moving member, the linking member is pivoted to rotate and open the door.

[11] Preferably, the door includes a left door and a right door, the connection member includes a first connection member connected to the left door and a second connection member connected to the right door, the first and second connection members move reciprocatively in the section by the moving member to open and close the door, and the first and second connection members move in opposite directions. The linking member includes a first linking member operative to link the left door with a wall lateral to the left door and installed pivotally to the wall and rotatably to the left door, and a second linking member operative to link the right door with a wall lateral to the right door and installed pivotally to the wall and rotatably to the right door.

[12] Preferably, the moving member includes a guide rail installed above or below the door; and a chain or belt coupled to the connection member for moving the connection member under the guidance of the guide rail.

[13] And, preferably the moving member includes a guide rail installed above or below the door; a supplementary rail installed on a side of the door adjacent to the top or bottom end of the door; and a chain or belt coupled to the connection member for moving the connection member under the guidance of the guide rail, and the linking member has one end connected to a wall lateral to the door and the other end installed rotatably and slidably to the supplementary rail. Preferably, after the connection member is moved to rotate the door such that the linking member is rotated at a preset angle, the other end of the linking member is slid under the guidance of the supplementary rail to open the door. Brief Description of Drawings

[14] FIG. 1 is a front view illustrating a door with an apparatus for opening and closing the door according to a first embodiment of the present invention.

[15] FIG. 2 is a partially enlarged view of section A of FIG. 1.

[16] FIG. 3 is a cross-sectional view illustrating a guide rail, a connection member and a belt of the apparatus of FIG. 1.

[17] FIGs. 4a to 4c are configuration diagrams illustrating sequentially the opening of the door by the apparatus of FIG. 1.

[18] FIGs. 5a to 5c are configuration diagrams illustrating the opening of the door by the apparatus of FIG. 1 in the opposite direction to FIGs. 4a to 4c. [19] FIGs. 6a and 6b are configuration diagrams illustrating that a linking member of the apparatus of FIG. 1 is eccentrically connected to the door.

[20] FIGs. 7a and 7b are configuration diagrams illustrating that a linking member of the apparatus of FIG. 1 is eccentrically connected to the wall.

[21] FIGs. 8a to 8c are configuration diagrams illustrating sequentially the opening of a door by an apparatus for opening and closing the door according to a second embodiment of the present invention.

[22] FIG. 9 is a front view illustrating a door with an apparatus for opening and closing the door according to a third embodiment of the present invention.

[23] FIG. 10 is a partially enlarged view of section B of FIG. 9.

[24] FIGs. 1 Ia to l ie are configuration diagrams illustrating sequentially the opening of the door by the apparatus of FIG. 9.

[25] FIG. 12 is a front view illustrating a door with an apparatus for opening and closing the door according to a fourth embodiment of the present invention.

[26] FIG. 13 is a cross-sectional view illustrating a guide rail, a body, a connection portion and a rotating motor of an apparatus for opening and closing a door according to a fifth embodiment of the present invention.

[27] FIGs. 14a to 14c are configuration diagrams illustrating sequentially the opening of a door by an apparatus for opening and closing the door according to a sixth embodiment of the present invention.

[28] FIG. 15 is a front view illustrating a door with an apparatus for opening and closing the door according to a seventh embodiment of the present invention.

[29] FIGs. 16a to 16d are configuration diagrams illustrating sequentially the opening of the door by the apparatus according to a seventh embodiment of the present invention.

[30] FIG. 17 is a front view illustrating a door with an apparatus for opening and closing the door according to an eighth embodiment of the present invention.

[31] FIGs. 18a to 18c are configuration diagrams illustrating sequentially the opening of the door by the apparatus according to an eighth embodiment of the present invention. Best Mode for Carrying out the Invention

[32] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to the description, it should be understood that the terms used in the specification and the appended claims should not be construed as limited to general and dictionary meanings, but interpreted based on the meanings and concepts corresponding to technical aspects of the present invention on the basis of the principle that the inventor is allowed to define terms appropriately for the best explanation. Therefore, the description proposed herein is just a preferable example for the purpose of illustrations only, not intended to limit the scope of the invention, so it should be understood that other equivalents and modifications could be made thereto without departing from the spirit and scope of the invention.

[33] FIG. 1 is a front view illustrating a door with an apparatus for opening and closing the door according to a first embodiment of the present invention, FIG. 2 is a partially enlarged view of section A of FIG. 1, and FIG. 3 is a cross-sectional view illustrating a guide rail, a connection member and a belt of the apparatus.

[34] Referring to FIGs. 1 to 3, the apparatus 100 for opening and closing a door 10 includes a moving unit 30 installed above or below the door 10, and a linking member 50 installed to link the door 10 with a wall (not shown) lateral to the door 10.

[35] The apparatus 100 opens or closes the door 10 by rotating or pivoting the door 10. As shown in FIG. 1, preferably the moving unit 30 is installed above the door 10, however the moving unit 30 may be installed below the door 10. And, preferably the linking member 50 is installed at top and bottom ends of the door 10, however may be installed at a top end or a bottom end of the door 10, or at an area other than the top and bottom ends.

[36] However, for convenience of description, the moving unit 30 is installed above the door 10, and the linking member 50 is installed at top and bottom ends of the door 10. This is applied to other embodiments described herein as well as a first embodiment.

[37] The moving unit 30 includes a connection member 34 rotatably installed at the top end of the door 10, and a moving member for reciprocatively moving the connection member 34 in a preset section.

[38] The connection member 34 is installed to be coupled to a belt 32, and reciprocatively moves in the section by a reciprocating motion of the belt 32. The door 10 is rotated and opened/closed by the reciprocating motion of the connection member 34.

[39] The moving member includes a driving motor 31, and a belt 32 reciprocating in a preset section by the driving motor 31.

[40] The belt 32 moves the connection member 34 by reciprocating between a primary pulley 31a and a secondary pulley 31b. Preferably, the section where the belt 32 reciprocates is a distance capable of fully opening or closing the door 10.

[41] Preferably, the moving member includes a guide rail 35 for guiding the movement of the connection member 34. As shown in FIG. 3, The guide rail 35 guides the movement of the connection member 34 while giving support to a roller 36 of the connection member 34.

[42] Meanwhile, although the above-mentioned description shows the connection member

34 is reciprocatively moved by the belt 32, the connection member 34 may be reciprocatively moved by a chain (not shown) instead of the belt 32. That is, the connection member 34 is coupled to a chain and reciprocatively moved by a reciprocating motion of the chain. [43] And, the connection member 34 may be coupled to a cylinder (not shown) and recip- rocatively moved by expansion and contraction of the cylinder. This may be applied to other embodiments described herein as well as a first embodiment.

[44] The linking member 50 is installed to link the door 10 with a wall (not shown) lateral to the door 10. The linking member 50 links the door 10 with the wall at one or more area. Preferably, the linking member 50 is installed at the top and bottom ends of the door 10.

[45] The linking member 50 is rotatably installed at the top and bottom ends of the door

10 and installed pivotally to the wall. Accordingly, as shown in FIGs. 4a to 4c, as the connection member 34 is moved toward the wall, the linking member 50 is pivotally moved backwards to rotate the door, so that the door is opened.

[46] Meanwhile, a rotation direction of the door 10 is determined according to a pivoting movement direction of the linking member 50, and as shown in FIGs. 5a to 5c, if the linking member 50 is pivotally moved forwards, the door 10 is rotated in the opposite direction of FIGs. 4a to 4c.

[47] Preferably, a stopper protrusion 51 is installed at a side of the door 10 opposite to the rotation direction of the door 10 in contact with the door 10 to control the rotation direction of the door 10, and the stopper protrusion 51 allows the door 10 to rotate in a desired direction.

[48] More preferably, the stopper protrusion 51 is installed vertically movably inside and outside the door 10. If a stopper protrusion (an inner or outer stopper protrusion) located at a side of the door 10 opposite to a desired direction is moved upwards and the other stopper protrusion is moved downwards, the door 10 can be rotated in the desired direction.

[49] As shown in FIGs. 6a and 6b, instead of using the stopper protrusion 51, the linking member 50 may be eccentrically installed to control the rotation direction of the door 10.

[50] That is, the linking member 50 is eccentrically connected to the door 10 at a location placed away a preset distance in either backward (FIG. 6a) or forward (FIG. 6b) direction from a center of thickness of the door. In the case that the linking member 50 is eccentrically connected to the door 10 at a location placed away preset distance in the backward direction from a center of thickness of the door 10, the door 10 is rotated as shown in FIGs. 4a to 4c. In the case that the linking member 50 is eccentrically connected to the door 10 at a location placed away a preset distance in the forward direction from a center of thickness of the door 10, the door 10 is rotated as shown in FIGs. 5a to 5c.

[51] And, as shown in FIGs. 7a and 7b, the rotation direction of the door 10 can be controlled by controlling an area of the wall where the linking member 50 is connected.

[52] That is, in the case that the linking member 50 is connected to an area of the wall placed in the backward direction from the center of thickness of the door 10 (FIG. 7a), the door 10 is rotated as shown in FIGs. 5a to 5c. In the case that the linking member 50 is connected to an area of the wall placed in the forward direction than the center of thickness of the door 10 (FIG. 7b), the door 10 is rotated as shown in FIGs. 4a to 4c.

[53] Further, the rotation direction of the door 10 can be controlled by a stopper member

(not shown) that is installed above or below the linking member 50 and optionally extended by a controller to adjoin a side of the linking member 50. When the stopper member is extended to adjoin a side of the linking member 50, the linking member 50 is pivoted in the opposite direction to the adjoining side of the stopper member and the linking member 50.

[54] FIGs. 8a to 8c are configuration diagrams illustrating sequentially the opening of a door by an apparatus for opening and closing the door according to a second embodiment of the present invention.

[55] In the apparatus 100a, a connection member 34 reciprocatively moves over the entire section of the door 10, and a linking member 50 is connected to a center of a top end of the door 10. Accordingly, the door 10 is fully opened backwards. The door 10 may be fully opened forwards by a rotation direction control means of the door 10 as mentioned above.

[56] FIG. 9 is a front view illustrating a door with an apparatus for opening and closing the door according to a third embodiment of the present invention, FIG. 10 is a partially enlarged view of section B of FIG. 9, and FIGs. 1 Ia to 1 Ic are configuration diagrams illustrating sequentially the opening of the door by the apparatus of FIG. 9. Components shared with FIGs. 1 to 8c are designated with identical reference numbers.

[57] As shown in FIGs. 9 to 1 Ic, the door includes a left door 11 and a right door 12, and the apparatus 100b is appropriate for this type of door. The apparatus 100b includes connection members 34a and 34b, moving units 30a with moving members, and linking members 50a and 50b.

[58] The connection members 34a and 34b include a first connection member 34a connected to the left door 11, and a second connection member 34b connected to the right door 12.

[59] The first and second connection members 34a and 34b are coupled to a belt 32b reciprocating by a driving motor 31. The belt 32b reciprocates in a preset section between a primary pulley 31a and a secondary pulley 31b.

[60] Preferably, the first connection member 34a reciprocatively moves in the section to fully open or close the left door 11, and the second connection member 34b recip- rocatively moves in the section to fully open or close the right door 12.

[61] Accordingly, the first connection member 34a is moved under the guidance of a guide rail 35, and the second connection member 34b is moved under the guidance of the guide rail 35.

[62] The first connection member 34a is coupled to the belt 32b moving from the primary pulley 31a toward the secondary pulley 31b, and the second connection member 34b is coupled to the belt 32b moving from the secondary pulley 31b toward the primary pulley 31a. Accordingly, the first connection member 34a and the second connection member 34b are moved in opposite directions. Thus, the left door 11 and the right door 12 can be opened or closed at the same time.

[63] The linking members 50a and 50b link the doors 11 and 12 with a wall.

[64] The linking members 50a and 50b include a first linking member 50a connected to the left door 11, and a second linking member 50b connected to the right door 12. Preferably, the first linking member 50a is installed at the top and bottom ends of the left door 11, and the second linking member 50b is installed at the top and bottom ends of the right door 12.

[65] The first linking member 50a is connected rotatably to the left door 11, and is connected pivotally to the wall. The second linking member 50b is connected rotatably to the right door 12, and is connected pivotally to the wall.

[66] As mentioned above, the first connection member 34a and the second connection member 34b are moved by a single driving motor 31 simultaneously, so that the left door 11 and the right door 12 can be opened and closed at the same time.

[67] Meanwhile, if the first connection member 34a and the second connection member

34b are moved by each driving motor, the left door 11 and the right door 12 can be opened and closed independently. In this case, side effects can be minimized that may occur due to simultaneous opening/closing of the left door 11 and the right door 12, for example inflow of cold, hot or contaminated air from the external environment.

[68] FIG. 12 is a front view illustrating a door with an apparatus for opening and closing the door according to a fourth embodiment of the present invention.

[69] The apparatus 100c includes a guide rail 35 installed above the door 10, a connection member 34 moving along the guide rail 35 and installed rotatably to the door 10, a guide rod 37 installed above the door 10 to pass through the connection member 34, a spring 38 installed in a hollow of the guide rod 37, and a linking member 50 installed to link the door 10 with a wall (not shown) lateral to the door 10. Components shared with FIGs. 1 to 1 Ic are designated with identical reference numbers.

[70] The apparatus 100c is characterized in that the door 10 is opened by resisting an elastic force of the spring 38 with an external power (for example, power applied by human), and the opened door 10 is closed by an elastic restoring force of the spring 38. [71] The guide rod 37 has an inner hollow and is installed to pass through the connection member 34. The guide rod 37 guides the spring 38 when the spring 38 expands and contracts.

[72] The spring 38 is installed in the hollow of the guide rod 37. One end of the spring 38 is coupled to the connection member 34, and the other end is fixed to a bottom 37a of the guide rod 37.

[73] After the connection member 34 is moved toward the wall to open the door 10, the spring 38 provides an elastic restoring force so that the opened door 10 can be automatically closed.

[74] Preferably, a shock absorber 39 is installed between the spring 38 and the connection member 34. The shock absorber 39 slows down the rotation speed of the door 10 immediately before the opened door 10 is fully closed or the closed door 10 is fully opened. Accordingly, the apparatus 100c has an effect of accident prevention.

[75] Meanwhile, FIG. 13 is a cross-sectional view illustrating a guide rail, a body, a connection portion and a rotating motor of an apparatus for opening and closing a door according to a fifth embodiment of the present invention. Components shared with FIGs. 1 to 12 are designated with identical reference numbers.

[76] The apparatus includes a guide rail 35 installed above the door 10, a body 41 supported by the guide rail 35 and reciprocating in a preset section, a connection portion 43 installed rotatably to the body 41 and fixed to a top end of the door 10, a rotating motor 45 for rotating the connection portion 43, and a linking member (not shown) for linking the door 10 with a wall lateral to the door 10 at one or more area.

[77] In the apparatus, the rotating motor 45 rotates the connection portion 43 relative to the body 41 to rotate the door 10, and the body 41 is moved towards the wall along the guide rail 35 by the rotation of the door 10, so that the door 10 is moved toward the wall and finally is opened.

[78] FIGs. 14a to 14c are configuration diagrams illustrating sequentially the opening of a door by an apparatus for opening and closing the door according to a sixth embodiment of the present invention. Components shared with FIGs. 1 to 13 are designated with identical reference numbers.

[79] The apparatus is characterized in that the door 10 is opened by sliding the door 10 toward a wall a preset distance and rotating the door 10.

[80] The apparatus includes a moving unit having a connection member 34 and a moving member (not shown), a first diagonal-lined groove 13 formed diagonally on a top end of the door 10, a second diagonal-line groove (not shown) formed diagonally on a bottom end of the door 10 parallel to the first diagonal-lined groove 13, and a fixing protrusion 55 inserted into the first and second diagonal-lined grooves for supporting the door 10. [81] The connection member 34 is rotatably installed at a top or bottom end of the door

10, and slides the door 10 toward a right door frame 15 by reciprocatively moving in a preset section by the moving member. Meanwhile, reference number 14 is a left door frame.

[82] The moving member has a driving motor (not shown), and a belt (not shown) reciprocating in a preset section by the driving motor (not shown). Meanwhile, the moving member may be a cylinder, a guide rod (27 of FIG. 12) and a spring (38 of FIG. 12), and so on. The connection member 34 and the moving member are described above, and their description is omitted.

[83] The first diagonal-lined groove 13 is formed diagonally on the top end of the door

10, and the second diagonal-lined groove is formed on the bottom end of the door 10 parallel to the first diagonal-lined groove 13.

[84] The fixing protrusion 55 is installed at the top and bottom ends of the door 10 and is slidably and rotatably inserted into the first and second diagonal-lined grooves to support the door 10. That is, because the fixing protrusion 55 is inserted into the first and second diagonal-lined grooves, when the door 10 is moved toward the wall by the moving member, the door 10 is slid under the guidance of the first and second diagonal-lined grooves and rotated relative to the fixing protrusion 55. The rotation of the door 10 is stopped by the right door frame 15.

[85] FIG. 15 is a front view illustrating a door with an apparatus for opening and closing the door according to a seventh embodiment of the present invention, and FIGs. 16a to 16d are configuration diagrams illustrating sequentially the opening of the door by the apparatus according to a seventh embodiment of the present invention. Components shared with FIGs. 1 to 14c are designated with identical reference numbers.

[86] The apparatus lOOd includes a moving unit 30 installed above or below the door 10, and a linking member 50 installed to link the door 10 with a wall lateral to the door 10.

[87] The moving unit 30 has a connection member 34 installed rotatably to the door 10, and a moving member for reciprocatively moving the connection member 34 in a preset section.

[88] The connection member 34 of this embodiment has the same structure as the connection member 34 of the above-mentioned embodiment, but is preferably installed at an edge of a top end of the door 10.

[89] The moving member includes a driving motor 31, a belt 32 reciprocating in a preset section by the driving motor 31, a guide rail 35 for guiding the movement of the connection member 34, and a supplementary rail 33. The driving motor 31, the belt 32 and the guide rail 35 of this embodiment have the same structure as the driving motor 31, the belt 32 and the guide rail 35 of the above-mentioned embodiment, respectively.

[90] The supplementary rail 33 is installed on a side of the door 10 adjacent to the top end of the door 10. However, the supplementary rail 33 may be installed on a side of the door 10 adjacent to a bottom end of the door 10, or may be installed on a side of the door 10 adjacent to the top and bottom ends of the door 10.

[91] The supplementary rail 33 has a concave-lined groove formed along its lengthwise direction, and one end 52 of the linking member 50 is installed rotatably and slidably to the concave-lined groove. Accordingly, as shown in FIGs. 16a to 16d, after the door 10 is rotated by movement of the connection member 34 such that the linking member 50 is rotated at a preset angle, for example 90 degrees, the one end 52 of the linking member 50 is slid under the guidance of the supplementary rail 33 to open the door 10.

[92] FIG. 17 is a front view illustrating a door with an apparatus for opening and closing the door according to an eighth embodiment of the present invention, and FIGs. 18a to 18c are configuration diagrams illustrating sequentially the opening of the door by the apparatus according to an eighth embodiment of the present invention. Components shared with FIGs. 1 to 16d are designated with identical reference numbers.

[93] Referring to FIGs. 17 to 18c, the apparatus lOOe includes a moving unit 30, and a linking member 50 installed to link the door 10 with a wall (not shown) lateral to the door 10. The moving unit 30 and the linking member 50 of this embodiment have the same structure as the moving unit 30 and the linking member 50 of the above- mentioned embodiment, respectively. However, a connection member 34 is connected rotatably to a first protrusion 61 installed on a side of the door 10 adjacent to a top end of the door 10, and one end 52 of the linking 50 is connected rotatably to a second protrusion 62 installed on a side of the door 10 adjacent to the top end and/or a bottom end of the door 10.

[94] The apparatus lOOe can be applied effectively to the case that there is no space sufficient to install the moving unit 30 above the door 10. Industrial Applicability

[95] The apparatus for opening and closing a door according to the present invention has effects as follows.

[96] First, the door can be automatically opened and closed even in the case that a space for a lateral sliding motion of the door is insufficient.

[97] Second, the apparatus can be applied to a general door.

[98] Third, the door can be opened by pull and push, so that a person kept indoors can escape rapidly and safely in case of emergency such as fire.

Claims

[1] An apparatus for opening and closing a door, comprising: a moving unit including: a connection member rotatably installed on a top or bottom end of the door or a side of the door adjacent to the top end of the door; and a moving member operative to reciprocatively move the connection member in a preset section; and a linking member operative to link the door with a wall lateral to the door at one or more area, and installed pivotally to the wall and rotatably to the door, wherein as a closed door is moved toward the wall by the moving member, the linking member is pivoted to rotate and open the door.

[2] The apparatus for opening and closing a door according to claim 1, wherein the door includes a left door and a right door, wherein the connection member includes a first connection member connected to the left door and a second connection member connected to the right door, wherein the first and second connection members move reciprocatively in the section by the moving member to open and close the door, and the first and second connection members move in opposite directions, and wherein the linking member includes a first linking member operative to link the left door with a wall lateral to the left door at one or more area, and installed pivotally to the wall and rotatably to the left door, and a second linking member operative to link the right door with a wall lateral to the right door at one or more area, and installed pivotally to the wall and rotatably to the right door.

[3] The apparatus for opening and closing a door according to claim 1 or 2, wherein the moving member includes: a guide rail installed above or below the door; and a chain or belt coupled to the connection member for moving the connection member under the guidance of the guide rail.

[4] The apparatus for opening and closing a door according to claim 1 or 2, wherein the moving member includes: a guide rail installed above or below the door; a supplementary rail installed on a side of the door adjacent to the top or bottom end of the door; and a chain or belt coupled to the connection member for moving the connection member under the guidance of the guide rail, wherein the linking member has one end connected to a wall lateral to the door and the other end installed rotatably and slidably to the supplementary rail, and wherein, after the connection member is moved to rotate the door such that the linking member is rotated at a preset angle, the other end of the linking member is slid under the guidance of the supplementary rail to open the door.