KR20100101411A - Device for preventing a front door of elevator from detachment - Google Patents

Abstract

     The present invention relates to an elevator door departure prevention device, and more particularly, to prevent the elevator door opening and closing along a seal from being departed from a normal track by an external impact, thereby enabling safe operation of the elevator. It is to ensure the operation stability in the opening and closing operation, and to prevent the flow and departure of parts for the door to guide the opening and closing of the door.

      The present invention is installed on the elevator platform floor structure guide rail for guiding the opening and closing of the landing door, the door departure prevention bracket and the door guide shoe on the inner side of the door to prevent the departure of the door moving along the guide rail In the elevator door departure prevention device is configured to mount a mounting bracket for installation, and to couple the door departure prevention bracket to one end of the mounting bracket to guide the lower end of the door departure prevention bracket to the guide groove of the guide rail, The slide groove formed on the inner wall surface of the guide groove formed on the guide rail, the door departure prevention bracket mounted along the slide groove to prevent the door from being separated, and the door departure prevention bracket to fix the door departure prevention bracket to the inner side of the door. Mounted on the inside of the door It characterized by comprising a mounting bracket fixed to the door coupling departure prevention bracket.

Description

Device for preventing a front door of elevator from detachment

The present invention relates to an elevator door departure prevention device, and more particularly, to prevent the elevator door opening and closing along a seal from being departed from a normal track by an external impact, thereby enabling safe operation of the elevator. It is to ensure the operation stability in the opening and closing operation, and to prevent the flow and departure of parts for the door to guide the opening and closing of the door.

     In general, elevators tend to develop into a fall hazard due to repeated lifting operation even with small failures or damage to some parts. Therefore, elevators are protected by various safety devices, and are installed according to strict standards and require regular inspection and management after the fact do.

      Among the safety devices, safety devices are installed to prevent the elevator door from deviating from the guide rail by external impact. This safety device is a risk of falling if the door is released without the elevator reaching the door entrance and must be included in the elevator facility. This is an important device that is strictly regulated and controlled.

      1 is a view for explaining a safety device for preventing the departure of the elevator door, it is an example of the interior configuration of the elevator doors are installed symmetrically in both directions to open and close each horizontally.

     The door 10 is installed in the vertical and horizontal state on both left and right sides. The upper side of the door 10 is provided with a moving track 11 to open and close along the moving track 11. The lower side of the door 10 is provided with a guide rail 12 so that the door 10 opens and closes along the guide rail 12.

     The elevator door departure preventing device 13 is configured on the lower side. As shown in Figure 2, the guide rail 12 is guided to the opening and closing of the door 10, at the same time to guide the grooved groove 14 to prevent the departure of the door 10 is processed, the landing (B) Each of the fixing units 16 and 17 fixed to the side structure 15 is provided to be fixed to the structure in a solid state.

      The door guide shoe 18 is provided with a fastening piece 20 on the mounting bracket 19 to prevent the door 10 from being detached as shown in FIG. 2, and the door guide shoe 18 is attached to the fastening piece 20. By fastening to be seated in the guide groove 14 of the guide rail 12 to prevent the departure of the door 10. In addition, the door guide shoe 18 is seated in the guide groove 14 of the guide rail 12 to reduce the friction noise and smooth opening and closing when the door 10 is opened and closed along the guide rail 12. It is a part that functions to guide the movement of the door 10. Usually, it is made of urethane or synthetic resin material, and it has a certain ductility, so that the friction noise is low and the wear is severe, so that it can be replaced.

       However, the door guide shoe 18 is an important part to prevent the door 10 from being separated and to reduce the opening and closing noise of the door 10 and to allow a smooth operation. If not replaced or repaired in a timely manner did not fall out of the door 10 safely prevented, due to this risk of safety accidents such as the departure and fall of the door 10 was large.

     Due to such a risk, a mounting bracket 19 is mounted on the door 10 as a reinforced safety device for preventing the door 10 from being separated, and a separate bracket for moving along the guide rail 12 is installed on the mounting bracket 19. A structure in which the separation preventing bracket 21 is installed is known, and the conventional separation preventing bracket 21 is installed as shown in FIG. 3.

      The conventional door departure preventing device 13 basically supports and secures the separation preventing bracket 21 to the mounting bracket 19 mounted inside the door 10, and guides the end of the separation preventing bracket 21 to the guide rail 12. It is to prevent the entire door 10 from falling out of the guide rail 12 even when an external shock is applied by seating in the guide groove (14) formed in the), and also install the door guide shoe (18) to the separation prevention bracket (21) It is known as a structure in which the fastening groove is processed.

      This conventional elevator door departure prevention device 13 has a problem as a configuration including a guide rail 12, the door guide shoe 18 and the departure prevention bracket 21.

      First, when the separation preventing bracket 21 moves along the guide groove 14 of the guide rail 12 and is not parallel to the horizontal and vertical directions, the shaking flow is increased during the operation of the door 10, and the opening and closing operation of the door is smooth. I can't.

      Second, the separation preventing bracket 21 does not deeply enter the guide groove 14 of the guide rail 12, for example, lifted upward or lifted from the guide rail 12 of the door 10. When closed, the door 10 may not be prevented from falling off and the risk of falling cannot be avoided, so it is not safe.

      Third, the impact applied to the door 10 deforms the escape preventing bracket 21 and thereby contacts the guide groove 14 to cause friction noise.

       Fourth, the reinforced safety device for more stable operation of the departure prevention bracket 21 is inevitable to apply a complex assembly structure. For example, the application of reinforced materials, welding, etc. were not economical, and the application of multiple parts was a cause of failure in proportion, resulting in insufficient safety.

      Accordingly, the present invention has been made in view of the above circumstances, and when the elevator door moves along the guide rail, the door is prevented from being aligned side by side in the horizontal and vertical direction by the bracket for preventing the door from closing and reducing the flow of the door. It is to provide an elevator door departure prevention device for enabling the opening and closing operation.

      Another object of the present invention is to prevent the risk of falling by causing the departure prevention bracket, which is a component part constituting the elevator door departure prevention device, from being prevented from being structurally separated from the guide rail by causing the door to lift off due to the lifting of the door.

      Another object of the present invention is to provide an elevator door departure prevention device that can be transmitted to the elevator door departure prevention device the impact applied to the door to reduce the opening and closing noise of the door by the secondary deformation.

      Still another object of the present invention is to enable the safety device to be operated economically and safely from the use of fewer parts in the optimized application of the elevator door departure prevention device.

      Elevator door departure prevention device according to the present invention for achieving this object,

      A guide rail installed on the floor of the elevator platform for guiding the opening and closing of the landing door, and a door release preventing bracket and a door guide shoe installed on the inner side of the door to prevent the door from being moved along the guide rail. In the elevator door departure prevention device is configured to mount the mounting bracket for, and to couple the door departure prevention bracket to one end of the mounting bracket to guide the lower end of the door departure prevention bracket to the guide groove of the guide rail,

      A slide groove formed on an inner wall surface of the guide groove formed on the guide rail;

     A door departure preventing bracket mounted along the slide groove to prevent departure of the door;

      In order to fix the door departure prevention bracket to the inner side of the door fixed to the inner side of the door characterized in that consisting of the mounting bracket for fixing the door departure prevention bracket.

      The slide groove formed on the inner wall surface of the guide groove of the guide rail is characterized in that it is formed in the transverse direction on the inner wall face toward the elevator in the opposite direction on the basis of the elevator platform.

     The slide groove formed on the inner wall of the guide groove of the guide rail is characterized in that it is formed in a horizontal plane.

      The slide groove formed on the inner wall surface of the guide groove of the guide rail is symmetrically formed on both inner wall surfaces of the guide groove of the guide rail.

      The door departure prevention bracket,

     One end has a vertical portion mounted with the mounting bracket, and the other end extending from the vertical portion includes an insertion portion integrally inserted along the slide groove in the transverse direction, and the insertion portion in the transverse direction with respect to the vertical portion. It is characterized by having a bent portion to be bent.

     The vertical portion and the insertion portion of the bracket for preventing the door departure are configured in one-piece structure and the bent portion is bent at a right angle.

      The insertion portion is formed in each of the two direction with respect to the vertical portion in order to be inserted at both sides along the slide groove at the same time.

      The vertical portion of the door departure prevention bracket is characterized in that the bolt groove for processing the bolt and the mounting bracket is processed.

      The mounting bracket,

      There is a first vertical piece that is joined along the door wall in the direction of the elevator,

      There is a bending piece that is bent from the vertical piece to cross the wall space of the door,

      There is a second vertical piece which is bent from the bending piece in the vertical direction downward and joined along the door wall in the direction of the landing side.

       It characterized in that it is integrally provided with a mounting piece that is bent in the vertical direction by crossing a portion of the wall surface of the door in the direction of the elevator from the second vertical piece is closed at the lower end of the door to couple the door departure prevention bracket.

       Fastening holes for fastening the door guide shoe are provided at both ends along a length direction of the mounting piece of the mounting bracket, and fastening holes for fastening the door release preventing bracket are formed between the fastening holes.

      According to the present invention, when the elevator door is moved along the guide rail, the door is prevented from being aligned side by side in the horizontal and vertical direction by the bracket for preventing the door from closing and opening and closing the door while reducing the flow of the door. It can work. In addition, it is possible to construct an elevator with high stability that prevents the risk of falling by blocking the escape caused by the lifting of the door by preventing the escape preventing bracket, which is a component part of the elevator door escape preventing device, from being structurally separated from the guide rail. There is. In addition, the shock applied to the elevator door is transmitted to the elevator door departure prevention device, thereby reducing the opening and closing noise of the door due to the secondary deformation, so that it is possible to construct an elevator capable of quiet operation, and to reduce the failure by using fewer parts. Economically, there is an effect that can provide an elevator door departure prevention device.

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

      Figure 4 is a perspective view of the main portion of the elevator door departure prevention device according to an embodiment of the present invention. 5 is a cross-sectional view of the elevator door departure prevention apparatus according to an embodiment of the present invention. 6 is a perspective view of the bracket constituting the elevator door departure prevention apparatus according to an embodiment of the present invention. Figure 7 is a perspective view of another bracket constituting the elevator door departure prevention apparatus according to an embodiment of the present invention. 8 is an elevator door departure prevention apparatus according to another embodiment of the present invention.

     Elevator door departure prevention device according to an embodiment of the present invention, as shown in Figure 4 and 5, the guide rail 40 is installed in the elevator platform (A) floor structure to guide the opening and closing of the door 30, In order to prevent the door 30 from moving along the guide rail 40, the mounting bracket 70 for installing the door separation prevention bracket 50 and the door guide shoe 60 on the inner side of the door 30 is provided. It is configured to be mounted, it is configured to guide the lower end of the door departure prevention bracket 50 to the guide groove 41 of the guide rail 40 by coupling the door departure prevention bracket 50 to one end of the mounting bracket (70).

      Here, the guide rail 40 is a structure of a long frame in the longitudinal direction supporting the door 30 by using a rigid aluminum material. The door detachment prevention bracket 50 and the mounting bracket 70 are generally bent in consideration of the wall structure of the guide rail 40 and the door 30, which are metal plate materials, to be installed. It is panel-shaped and has a curved shape bent in several places as a whole. Usually, it is advantageous to bend a plate by welding two plates together or bending them integrally without combining them with a fixing member. The door guide shoe 60 is fastened by a bolt 81 to the mounting bracket 70 through the coupling piece 61.

      The main part constituting the elevator door departure prevention apparatus according to the present invention, as shown in Figure 4 and 5, the slide groove 43 formed on the inner wall surface 42 of the guide groove 41 formed in the guide rail 40 And a door departure preventing bracket 50 mounted along the slide groove 43 to prevent the door 30 from being separated, and the door departure preventing bracket 50 fixed to the inner side of the door 30. In order to be mounted on the inner side of the door 30 is a mounting bracket 70 for fixing the door departure prevention bracket 50 fixedly coupled.

      The slide groove 43 formed in the inner wall surface 42 of the guide groove 41 of the guide rail 40 is preferably formed in the transverse direction on the inner wall surface 42 located on the elevator elevator B side.

     In addition, the slide groove 43 formed in the inner wall surface 42 of the guide groove 41 of the guide rail 40 is preferably formed in a horizontal plane.

      This takes into account that the external shock "W" transmitted to the door 30 as shown in Figure 5 is transmitted from the landing (A) side. In other words, the impact applied to the elevator door 30 may be applied to the elevator (A) side and the elevator (B) side of the back, but the damage is greater considering the impact applied from the landing (A) side.

      As illustrated in FIG. 6, the door detachment prevention bracket 50 includes a mounting bracket 70 installed at one end of the door 30 on the inner wall of the door 30 and a vertical portion 51. The other end which extends is integrally provided with the insertion part 52 inserted in the transverse direction along the slide groove 43 of the guide rail 40. As shown in FIG. Moreover, the insertion part 52 with respect to the perpendicular | vertical part 51 is a shape which has the bending part 53 bent in the horizontal direction. This structure guides the insertion portion 52 to be inserted along the slide groove 43 of the guide rail 40, thereby combining the door 30 with the guide groove 41 on the guide rail 40 in a structurally safe state. It is to let.

     The vertical part 51 and the insertion part 52 of the door departure prevention bracket 50 have an integral structure and have a bent portion 53 at right angles. The integral structure is to complete the required structure at a time compared to welding two structures, the right angle bending portion 53, inserting the insertion portion 52 in the slide groove 43 in a horizontal state as a whole The door 30 is prevented from being separated from the guide rail 40, and the insertion part 52 is horizontally parallel to the slide groove 43 so that the door 30 is moved up and down during the movement of the door 30. This is to reduce the eccentric movement of the load.

     In addition, the bolt grooves 54 for coupling to the mounting bracket 70 and the bolt 80 are processed in the vertical portion 51 of the door separation prevention bracket 50.

    As shown in Fig. 7, the mounting bracket 70 has a first vertical piece 71 which is coupled along the door wall 31 in the direction of the elevator B, and is bent from the vertical piece 71 so that the door ( There is a bending piece 72 traversing the wall surface 32 of the 30, which is bent from the bending piece 72 in the lower vertical direction and joined along the door wall surface 33 in the direction of the platform A side. There are two vertical pieces 73, and partially bends the wall space 32 of the door 30 in the direction of the elevator B from the second vertical piece 73, and is bent in the vertical direction at the lower end of the door 30. It is a structure that is integrally provided with a mounting piece 74 which is closed to couple the door departure prevention bracket 50, the overall contact surface area having a constant width and the inner wall 31, 33 of the door 30 as a support structure It is intended to maintain the mounting strength, the door departure prevention bracket 50 and the door guide shoe 60 is coupled to it.

      To this end, there are fastening holes 75 for fastening the door guide shoe 60 at both ends along the length direction of the mounting piece 74 of the mounting bracket 70, and the doors are separated between the fastening holes 75. Fastening holes 76 for fastening the prevention bracket 50 are formed.

      According to the arrangement of the fastening holes 75 and 76, the door departure preventing bracket 50 is positioned at the center portion, and the door guide shoe 60 is placed on both sides of the door departure preventing bracket 50, respectively. .

      The above arrangement is not directly related to the present invention and can be changed, but the shape of the door departure prevention bracket 50 is a plate-shaped material having a constant area, and the door guide shoe 60 is a small piece of a single part, so the elevator door The balanced arrangement for 30 may be an arrangement around the door departure prevention bracket ().

      As another embodiment, as shown in FIG. 8, the slide grooves 43 and 43a formed in the inner wall surface 42 of the guide groove 41 of the guide rail 40 are in the guide groove 41 of the guide rail 40. It can be formed symmetrically on both sides of the wall (42) (42a), the insertion portion 52 (52a) of the door separation prevention bracket (60a), at the same time on both sides along the plurality of slide grooves (43) (43a) In order to be inserted may be formed on both sides with respect to the vertical portion (51).

     Referring to the operation of the elevator door departure prevention apparatus according to the present invention configured as described above are as follows.

     The elevator door departure prevention apparatus according to the present invention is fixed to the vertical portion 51 of the door departure prevention bracket 50 to the mounting bracket 70 installed on the wall surface 31, 33 of the door 30, from therefrom The insertion unit 52 is extended to form a separate slide groove 43 along the guide groove 41 of the guide rail 40 to insert the insertion unit 52 therein to prevent detachment of the door 30, The door 30 is securely opened and closed.

     Here, since the function and role of the door guide shoe 60 is a matter that is applied to the general elevator door departure prevention device, a detailed description thereof will be omitted. However, according to the present invention, the door guide shoe 60 is mounted on the mounting bracket 70 and is moved along the guide groove 41 of the guide rail 40, and at the same time, the insertion part 52 of the door separation prevention bracket 50 is installed. ) Is inserted into the slide groove 43 of the guide rail 40.

      The shock applied to the door 30 is a force applied from the outside, and when the shock is transmitted to the door 30, the door guide shoe 60 of the guide rail 40 supporting the door 30 so as not to be pulled out and the door detachment prevention It is delivered to the bracket (50).

      Conventionally, in order to prevent the door 30 from leaving the guide rail 40 due to the impact applied to the door 30, there has been a case of applying a bracket for preventing the door departure, but a straight line along the guide groove of the guide rail 40 Direction so that it does not fall in the horizontal direction.

      In the present invention, the insertion part 52 of the bracket for preventing the door departure is moved in a state of being fitted in the slide groove 43 formed in the inner wall surface 42 of the guide groove 41 of the guide rail 40, so that it does not fall out in the horizontal direction. Along with the function to prevent the flow by the lifting of the door 30 at the same time to induce the opening and closing operation of the door 30 in a more stable state, even if transmitted to the external impact is not easily bent or deformed of the door 30 The opening and closing operability is good and the detachment phenomenon of the door 30 is also improved compared to the vertical structure.

      On the other hand, the slide groove 43 of the guide wall 41 inner wall surface 42 of the guide rail 40 is formed in the horizontal wall in the transverse direction on the inner wall surface 42 located on the elevator platform A side, which is a door ( External shock transmitted to 30 is considered to be transmitted from the landing (A) side. That is, the impact applied to the elevator door 30 may be applied from the landing side A and the rear side of the elevator B, but more dangerous is the impact applied from the landing side A.

     For example, even if an impact is applied from the landing side A, the insertion part 52 of the door departure prevention bracket 50 is combined in the state inserted into the slide groove 43 of the guide rail 40, and thus the door departure prevention bracket The deformation of the 50 can be minimized.

     As shown in FIG. 8, a plurality of slide grooves 43 and 43a are formed in both directions of the guide rail 40, and the insertion portions 52 and 52a of the door separation preventing bracket 50 are slide grooves 43 ( The same result can be obtained when protruding into the corresponding structure to 43a) and inserting them respectively.

While the invention has been described in connection with the preferred embodiments, it will be readily apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the invention, and all such changes and modifications are set forth in the claims. Belongs to the range.

      1 is an arrangement state of the landing door for explaining a general elevator door departure preventing device.

      Figure 2 is a cross-sectional view of the conventional elevator door departure prevention device.

      Figure 3 is a cross-sectional view of another conventional elevator door departure prevention device.

     Figure 4 is a perspective view of the main portion of the elevator door departure prevention device according to an embodiment of the present invention.

      Figure 5 is a cross-sectional view of the elevator door departure prevention apparatus according to an embodiment of the present invention.

      Figure 6 is a perspective view of the bracket constituting the elevator door departure prevention apparatus according to an embodiment of the present invention.

     Figure 7 is another perspective view of the bracket constituting the elevator door departure prevention apparatus according to an embodiment of the present invention.

     8 is a block diagram of the elevator door departure prevention device according to another embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

30: door

31: wall panel

32: space

33: wall panel

40: guide rail

41: guide groove

42: inner wall

43: slide groove

50: Bracket for door departure

51: vertical section

52: insertion unit

53: bend

60: door guide shoe

70: mounting bracket

71: first vertical flight

72: bending piece

73: second vertical flight

74: installation

Claims (10)

      The guide rail is installed on the floor of the elevator platform to guide the opening and closing of the landing door, and to install the door departure prevention bracket and the door guide shoe on the inner side of the door to prevent the departure of the door moving along the guide rail In the elevator door departure prevention device configured to mount the mounting bracket, and coupled to the door departure prevention bracket to one end of the mounting bracket to guide the lower end of the door departure prevention bracket to the guide groove of the guide rail,       A slide groove formed on an inner wall surface of the guide groove formed on the guide rail;      A door departure preventing bracket mounted along the slide groove to prevent departure of the door;       The elevator door departure prevention device, characterized in that the mounting bracket is fixed to the inner side of the door for fixing the door departure prevention bracket to the inner side of the door fixedly coupled to the door departure prevention bracket.       The method of claim 1,      The slide groove formed on the inner wall surface of the guide groove of the guide rail is elevator door departure prevention device, characterized in that formed in the transverse direction on the inner wall face toward the elevator in the opposite direction on the basis of the elevator platform.       The method of claim 1,      Elevator groove departure prevention device, characterized in that the slide groove formed on the inner wall surface of the guide groove of the guide rail is formed in a horizontal plane.       Following claim 1      Slide groove formed on the inner wall surface of the guide groove of the guide rail elevator door departure prevention device, characterized in that formed on both sides of the guide groove inner wall surface of the guide rail.       The method of claim 1,       The door departure prevention bracket,      One end has a vertical portion mounted with the mounting bracket, and the other end extending from the vertical portion includes an insertion portion integrally inserted along the slide groove, and the insertion portion is bent in the transverse direction with respect to the vertical portion. Elevator door departure prevention device characterized in that it has a bent portion.       The method of claim 5,      The vertical portion and the insertion portion of the bracket for preventing the door departure is an integrated structure, the bent portion is an elevator door departure prevention device, characterized in that bent at a right angle.       The method of claim 5,      The insertion portion elevator door departure prevention device, characterized in that formed in each direction in both directions about the vertical portion in order to be inserted at the same time on both sides along the slide groove.       The method of claim 5,      Elevator door departure prevention device, characterized in that the bolt groove for processing the bolt coupled to the mounting bracket in the vertical portion of the door departure prevention bracket.       The method of claim 1,       The mounting bracket,       There is a first vertical piece that is joined along the door wall in the direction of the elevator,       There is a bending piece that is bent from the vertical piece to cross the wall space of the door,       There is a second vertical piece that is bent from the bending piece in the vertical direction downward and joined along the door wall in the direction of the landing side,       Elevator door, characterized in that integrally provided with a mounting piece which is bent in the vertical direction across the wall surface of the door in the direction of the elevator from the second vertical piece to finish at the lower end of the door to couple the door departure prevention bracket. This prevention device.       The method of claim 9,      Elevator door departure characterized in that the fastening holes for fastening the door guide shoe at both ends in the longitudinal direction of the mounting piece of the mounting bracket, the fastening holes for fastening the door separation prevention bracket between the fastening holes. Prevention device.

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