KR100952038B1 - Door guide apparatus preventing breakaway of a elevator door and locking apparatus involving this - Google Patents

Abstract

The present invention relates to a door guide device for preventing the departure of an elevator door and a locking device including the same. A door fixing frame coupled to a lower end of a door panel and a door coupled to a lower portion of the door fixing frame in a shape that can be inserted into a groove of a threshold. Shoe and on the left and / or right end of the door fixing frame A door guide device having a formed engagement hole; And a door fixed frame fixedly installed at the threshold and a door formed on the threshold fixing frame having a door to be fitted to the engagement port of the door guide device according to the relative position between the door guide device and the threshold lock frame. With the technical gist of the configuration, including a guide latching device, even when a strong shock is applied to the door can be kept firmly restrained on the threshold of the platform to protect the user from the risk of falling, door installation The present invention relates to a door guide device for preventing departure of an elevator door and a locking device including the same so that installation of the door guide device can be easily performed.

Elevator, Door, Door Shoe, Breakaway Device, Locking Device

Description

Door guide device for preventing departure of an elevator door and a locking device including the same

The present invention relates to a door guide device for preventing departure of an elevator door and a locking device including the same, and more particularly, not only to guide the door to be precisely opened and closed along the groove of the threshold, but also to the door by any impact force in the closed state. It relates to a door guide device for preventing the departure of the elevator door to prevent the departure and lock device including the same.

In general, the upper part of the elevator door has a hanger roller installed on the guide rail of the door opening and closing device so that the door is suspended in the horizontal direction along the guide rail provided with the hanger roller, the door guide device is coupled to the lower part of the door The door is held in a state bounded by the door by the door guide device inserted into the groove of the sill.

1 is a view illustrating an installation state of a door according to the prior art, wherein the door guide device 20 includes a metal connecting piece 21 fixedly installed on a lower end of a door 10 and a groove of the jaw 30. It has a thickness corresponding to the guide shoe (22) is attached to the lower portion of the connecting piece 21 is fixed to, and has a structure in which a plurality of spaced apart from each other and installed separately in a suitable position on the lower end of the door (10).

In addition, the door injury prevention device 41 is fixed to the central portion of the threshold 30 to prevent the door from being separated from the threshold 30 in the state in the width direction central position of the threshold 30. ) Is coupled, and the door 10 has a structure in which a locking ring 42 is attached to the door injury prevention device 41 so as to be fastened.

In this prior art, when an unexpected powerful shock is applied to a door due to an abnormal behavior or carelessness of a user, the door panel bends momentarily as shown in FIG. 2, and each door guide device is easily detached from the threshold of the platform. And, even if the hook is locked to the door injury prevention device, there is a problem that the door guide device and the hook is easily bent or broken to expose the user to the risk of falling.

In addition, during door installation work, the distance between door guide devices should be adjusted according to site conditions to minimize noise, vibration, etc., for smooth operation of the door. Since the work for forming the fixing hole for and recombining the door guide device should be repeated, the installation of the door guide device is difficult, and there is a problem in that time and expense are increased.

And, the length of the threshold and the assembly position of the door guide device is different depending on the manufacturer and model of the elevator, in the case of additionally installing the door injury prevention device and the hook on the pre-installed door, the existing installation position of the door guide device There is also a problem that the work of changing is frequently accompanied, which involves the hassle of adjusting the installation position of the door guide device while comparing and confirming the position of the door guide device and the length of the boarding threshold.

In addition, the locking ring coupled to the left door and the locking ring coupled to the right door have different shapes, respectively, to be fitted to the left and right sides of the door injury prevention device, so that the locking ring coupled to the left door is coupled to the right door. There is another problem that the inconvenience of having to prepare and manage the hooks separately.

And, the door injury prevention device has a simple hollow structure that is difficult to check the internal state when looking down from the upper threshold, as shown in Figure 3, foreign matter caught in the groove of the threshold flows into the door injury prevention device during driving It is frequently caused to cause an obstacle in the opening and closing operation of the door, and also it is not possible to visually determine how much foreign matter is accumulated inside the door injury prevention device having a simple hollow structure to determine the cleaning time of the door injury prevention device It is difficult to do, there is a problem that the cleaning operation for removing foreign matters is also difficult.

The present invention devised to solve the problems as described above, the elevator can maintain a tightly restrained state on the threshold of the platform even when a strong impact is applied to the elevator door to protect the user from the risk of falling safely An object of the present invention is to provide a door guide device for preventing separation of a door and a locking device including the same.

In addition, when the door is installed, the door guide device can be easily installed, and an elevator door departure prevention door that can solve the inconvenience of adjusting the position of the door guide device by additionally installing the door injury prevention device and the hook. Another object is to provide a guide device and a locking device including the same.

Another object of the present invention is to provide a door guide device for preventing the departure of an elevator door and a locking device including the same, which can be commonly installed in the left door and the right door, so that the installation, management, repair, and replacement of parts can be easily performed.

In addition, it is possible to visually check the inside of the door injury prevention device, to provide a door guide device for preventing the departure of the elevator door and a locking device including the same so that the cleaning operation for removing foreign matters can be easily made in a timely manner. There is this.

In order to achieve the object as described above, the present invention, the door coupling portion integrally formed to be continuously coupled to the lower end of the door panel, and the lower support portion continuously formed in the lower door coupling portion to be inserted into the groove of the threshold Door fixing frame made of; A door shoe coupled to a lower support part of the door fixing frame and inserted into the groove of the threshold to guide the door shoe; And an engaging door formed on the left and / or right end of the door fixing frame so as to be engaged by the door to be installed on the threshold.

Here, the door fixing frame, preferably has a length of less than half of the width of the door panel or less than the width of the door panel.

And, it is preferable that the door fixing frame has a shape that is symmetrical left and right.

In addition, the engagement port as an embodiment, preferably comprises a locking groove formed in the transverse direction on the left end and / or right end of the door fixing frame, wherein the door fixing to reinforce the shear strength of the lower end of the locking groove It is preferably configured to further include; a reinforcement plate to be reinforced on the frame.

And, as another embodiment, the engagement port is projected forward and / or rearward from the left end and / or right end of the door fixing frame, or from the left end of the door fixing frame and from the right end of the door fixing frame. It is preferable that the locking jaw is formed to protrude to the right, wherein the locking jaw, the bolt member to the rod member is coupled to the door fixing frame through the door fixing frame, or coupled to protrude on the door fixing frame Is preferably formed.

The shoe fastening means may be formed to penetrate or protrude on the door fixing frame so that the door shoe is detachable by assembling, spaced apart from each other along the longitudinal direction of the door fixing frame. desirable.

And, the present invention, the door fixing frame coupled to the lower end of the door panel, the door shoe coupled to the lower portion of the door fixing frame in a shape that can be inserted into the groove of the threshold, and the left and / or right end of the door fixing frame A door guide device having an engagement hole formed in the floating portion; And a threshold fixing frame fixed to the threshold, and a target sphere formed on the threshold fixing frame to engage the engaging holes of the door guide device according to a relative position between the door guide device and the threshold fixing frame. Door guide locking device; door lock prevention device is configured to include another technical gist.

Here, the engaging door of the door guide locking device as an embodiment is fixed in the front and rear direction at a distance from the bottom surface of the threshold fixing frame so as to be engaged with the locking groove formed in the door fixing frame end of the door guide device. It is preferable that it is a locking groove engaging jaw.

The threshold fixing frame of the door guide locking device is fixedly installed on the threshold in a state of being connected to the threshold. A threshold fixing part and a pair of side support parts projecting upwardly from the threshold fixing part, and the locking groove engaging jaw, both ends of the bolt member or the rod member are fastened to the side support part of the threshold fixing frame, respectively or It is preferable to be integrally formed with the side support.

In addition, the door guide locking device is formed by removing the central portion and the side surface of the upper surface of the pipe member which is formed in a hollow shape and has a constant longitudinal cross-sectional shape so as to be engaged with the locking groove of the door fixing frame, or the constant longitudinal cross-sectional shape It may be made of a ring member having a.

And, as another embodiment of the door guide locking device is engaged, it is preferable that the locking jaw engaging groove formed in the transverse direction on the left and / or right end of the threshold fixing frame, wherein the door guide locking device The frame guide groove is formed in the transverse direction on the upper surface of the left and / or right end of the threshold fixing frame so that the door fixing frame of the door guide device can be inserted.

According to the present invention with the above-described configuration, even when a strong impact is applied to the door, the door guide device is caught by the door guide latching device and can be firmly constrained on the threshold of the platform, thereby risking the user falling. It has the effect of protecting it safely.

In addition, by combining the door fixing frame of the door guide device on the door panel, by coupling the door shoe to the one formed at a suitable position of the plurality of shoe binding means, the installation of the door guide device can be easily made, and the shoe shoe binding Another effect is that the position adjustment of the door shoe can also be made easily by detachable assembly from the means.

In addition, the door guide device and the door guide locking device can realize the door guide function and the separation prevention function together, so that the door guide device, the door injury prevention device, and the hook ring do not need to be separately provided. Re-installation of the door guide device according to the additional installation of the prevention device and the hook has an effect that does not need to be made.

In addition, since the door fixing frame is formed in a symmetrical shape and the door guide device can be commonly installed in the left door and the right door, the door guide device and the locking device can be easily installed, managed, repaired and replaced. It has a different effect.

In addition, the engagement of the door guide latching device has a structure of the locking groove engaging jaw or the locking jaw engaging groove in the present invention, the clean state of the door guide locking device can be visually confirmed from the outside, the cleaning time Determination and cleaning of the foreign matter can be made easily, and thus has another effect of preventing the opening and closing of the door due to the foreign matter stuck to the threshold.

Door lock preventing device according to the invention is largely made of a door guide device 100 and the door guide locking device 200, the door guide device 100 is a door fixing frame 110, door shoe 120, Consisting of the engaging sphere 130, the door guide locking device 200 has a main configuration consisting of a threshold fixing frame 210, the engaging sphere 230.

In the door guide device 100, the door fixing frame 110 is made of a rigid material is fixedly coupled to the lower end of the door panel 10, the door shoe 120 is a lower portion of the door fixing frame 110 In the state coupled to guide the movement of the door along the groove of the threshold (30), when the engaging port 130 is connected to the door guide locking device 200 is released from the threshold (30) The binding state is formed so as to prevent it.

In the door guide locking device 200, the threshold fixing frame 210 is fixedly coupled to the threshold 30, and the engagement port 230 is connected to the door guide device 100 when the door guide device 100 is connected. It has a shape corresponding to the engagement port 130 to prevent the door guide device 100 from being separated from the threshold (30).

First, the door guide device 100 will be described.

The door fixing frame 110 of the door guide device is coupled to the door engaging portion 111 coupled to the lower end of the door panel 10, the door engaging portion 111 to be inserted into the groove of the threshold (30). It consists of a lower support portion 112 that is continuously formed in the lower portion, made of a rigid material so that the lower support portion 112 is not easily separated from the threshold 30 by the lateral pressing force applied to the door.

When a pressing force is applied to the door, a connection part between the door coupling part 111 and the lower support part 112, which is located between the door panel 10 and the threshold 30, and the pressing force received from the door, the threshold 30 Shear force and bending stress act on the lower support portion 112 to be transmitted to the side, the door coupling portion 111 is firmly coupled on the door panel 10, the door coupling portion 111 and the lower support portion As the connection area between the 112 is wider, the connection between the door coupling part 111 and the lower support part 112 and the lower support part 112 have a larger shear strength or bending strength.

The door fixing frame 110 is integrally formed to be continuously coupled on the lower end of the door panel 10 without being spaced apart on the door panel 10 by manufacturing a plurality of connecting pieces as in the prior art. When the coupling surface with the door panel 10 is further expanded to be more firmly coupled, and when a pressing force is applied to the door, the pressure connection with the threshold 30 is performed by the lower support 112. At the same time, the front side is realized at the front, and realizes a significantly improved shear strength and flexural strength as compared with the structure spaced apart in the form of a conventional connecting piece.

When the door fixing frame 110 is coupled to one door panel 30 as one location, the door shoe 120 can be installed at an appropriate position, and the engagement holes 130 can be formed. If it is not limited to a specific width, but in order to stably guide the door panel 10 using the door shoe 120 or more than half of the width of the door panel 10 or the width of the door panel 10 It is preferable that it is formed in the length below width.

The door shoe 120 is made of plastic or rubber and is inserted into the groove of the threshold 30 while being coupled to the lower support part 112 of the door fixing frame, thereby preventing vibration or shaking of the door. Guide the movement of the door along the groove of the threshold (30).

In the case of the shoe binding means 150 for binding the door shoe 120 on the door fixing frame 110, the shoe binding means 150 penetrates or protrudes on the door fixing frame 110. In this case, the door shoe 120 can be easily fixed to the door fixing frame 110 by an assembly, such as by using a bolt member or by fixing it in a hooked position to fix the position, and the door fixing frame 110. Can be easily removed.

The engagement hole 130 is a state in which the door fixing frame 110 reciprocates along the threshold 30 together with the door panel 10 or is stopped at a specific point by the opening and closing operation of the door. In order to prevent the movement in any direction other than the direction in which the reciprocating movement is caught by the engaging door 230 (described below) provided on the threshold 30 or the door frame, the floor or the sidewall, Depending on the installation position is formed on one end of the left, right, or left, both ends of the door fixing frame 110.

The engagement hole 130 may be naturally engaged with the engaging sphere 230 and the separation from the engaging sphere 230 so as not to inhibit the reciprocating movement of the door fixing frame 110. If the movement in the upper side to the lateral direction rather than the direction in which the reciprocating movement in the state caught in the sphere 230 can be constrained, it is not limited to a specific shape and structure.

The door fixing frame 110 is formed on the door fixing frame 110 or the door fixing frame 110 has a shape in which the door fitting frame 130 is detachable and assembled. When formed in a symmetrical shape, the door guide device 100 can be commonly installed in the left door located on the left side and the right door located on the right side of the door to be engaged, so that the door guide device 100 can be installed in common. Installation, management, repair and replacement of the device 100 can be made easily.

Next, the door guide locking device 200 will be described.

The threshold fixing frame 210 of the door guide latching device is configured to allow the engaging port 230 to stably restrain the engaging port 130 of the door guide device. 30), as a component for firmly fixing on the door frame, the bottom surface or the side wall, it is preferable not to be limited to a specific shape, but to have a suitable shape according to the shape or installation position of the engaging port 230.

The engagement hole 230 is engaged or disengaged from the engagement hole 130 of the door guide device according to the relative position and distance that the door guide device 100 reciprocates and forms the threshold fixing frame 210. It is formed on the threshold fixing frame 210 to be.

The engaging sphere 230 has a shape corresponding to the engaging sphere 130 so as to implement the engaging structure with the engaging sphere 130, the engaging sphere 130 is the engaging sphere 230 It has a structure to bind so as to restrict the movement in any direction other than the reciprocating movement line in the state caught.

Next, a first embodiment of an elevator door departure prevention locking device according to the present invention will be described with reference to the following drawings.

Figure 4 is a front view showing a first embodiment of the elevator door departure prevention locking device according to the present invention, Figure 5 is a perspective view showing the locking state between the locking groove and the locking groove engaging jaw of the first embodiment, 6 is a perspective view showing a state in which the door guide locking device of the first embodiment is installed on the threshold, Figure 7 is a perspective view showing various embodiments of the door guide locking device having a locking groove engaging jaw of the first embodiment.

In the first embodiment of the elevator door departure prevention locking device according to the present invention, the engagement port 130 is formed in the transverse direction on the left and right ends of the door fixing frame 110 as shown in Figs. It is made of a locking groove 131, the engaging sphere 230 has a structure consisting of a locking groove engaging jaw 231 coupled in the front and rear direction at a spaced interval from the bottom of the threshold fixing frame 210. Have

When the locking groove 131 is caught in the engagement hole 230, when a pressing force is applied to the door, the door panel 10 is bent and the lower end of the door panel 10 is lifted upward. Since the lower end of the locking groove 131 receives a shear force from the engagement hole 230, as shown in FIG. 5, the reinforcing plate 140 capable of reinforcing the shear strength of the lower end of the locking groove 131. ) Is preferably installed on the door fixing frame 110.

FIG. 7 illustrates various embodiments of the engaging holes 230 having the structure of the engaging groove engaging jaw 231, and in FIG. 6A, the threshold fixing frame 210 is the threshold ( And a pair of side fixing parts 211 fixedly installed on the threshold 30 and a pair of side support parts 212 protruding upward from the threshold fixing part 211 in a state of being connected to 30. The engaging groove engaging jaw 231 has a structure in which both ends of the bolt member or the rod member are fixedly fixed to or integrally connected to the pair of side support portions 212.

7 (b) shows an embodiment in which the side support portion 212 is formed in a rectangular shape, and thus, the engagement groove engagement as compared with the side support portion 212 having a trapezoidal shape in FIG. It is intended to show that the shape of the threshold fixing frame 210 can be variously changed and applied within a range that does not affect the installation state of the jaw 231.

7 (c) and 7 (d) are manufactured by integrally manufacturing the door guide latching device 200 by removing an upper surface center portion and a side portion of a pipe member having a constant longitudinal cross-sectional shape in a hollow state. c) has a shape in which the threshold fixing portion 211 protrudes to the left and right sides of the side support portion 212, and FIG. 7D illustrates that the threshold fixing portion 211 is the side support portion 212. It has a shape connected between the side support portion 212 with a shorter width.

In (e) of FIG. 7, the door guide locking device 200 is formed of a ring member having a predetermined longitudinal cross-sectional shape, and other embodiments of FIG. 7 include a pair of left and right bloods on one threshold fixing frame 210. Unlike having a structure in which the engagement holes 230 are coupled, one ring member itself functions as a complete door guide locking device 200 having one engagement hole 230 and is spaced apart from the left and right sides, respectively. By installing the same function as the other embodiments of Figure 7 can be implemented, by adjusting the number and position of the ring member can be implemented a more various embodiments.

Next, a second embodiment of the elevator door departure prevention locking device according to the present invention will be described with reference to the following drawings.

8 is a front view showing a second embodiment of the elevator door departure prevention locking device according to the present invention, Figure 9 is a perspective view showing a locking state between the locking jaw and the locking jaw engaging groove of the second embodiment, Figure 10 Is a perspective view showing a state in which the door guide locking device of the second embodiment is installed on the threshold, and FIG. 11 is a perspective view showing various embodiments of the door guide locking device having the locking jaw engaging groove of the second embodiment.

In the second embodiment of the elevator door departure prevention locking device according to the present invention, the engaging hole 130 is a bolt member or a rod member through the door fixing frame 110 as shown in Figure 8, 9 It consists of a locking step 132 protruding to the front and rear sides of the door fixing frame 110, the engaging port 230 is a locking step engagement formed in the transverse direction on the left to right end of the threshold fixing frame 210 It has a structure consisting of a groove 232.

FIG. 11 illustrates various embodiments of the target fitting 230 having the structure of the engaging jaw engaging groove 232. The door guide locking device 200 shown in FIG. It has the same structure as the door guide locking device 200 used in the second embodiment of the present invention, wherein the door guide locking device 200, in addition to the locking step engaging groove 232 as shown in FIG. The door fixing frame 110 of the door guide device can be inserted and inserted together, the frame insertion groove 240 is formed in the transverse direction on the upper surface of the left end and the right end of the threshold fixing frame 210 is further formed It has a structure.

When the engaging jaw engaging groove 232 and the frame insertion groove 240 are formed together, the engaging holes 130 having the structure of the engaging jaw 132 are caught by the engaging jaw engaging groove 232 and moved upward. At the same time, the door fixing frame 110 is also inserted into the frame insertion groove 240 to prevent movement of the front and rear sides, thereby making it more secure between the door guide device 100 and the door guide locking device 200. The binding structure can be implemented.

The locking step engagement groove 232 illustrated in FIG. 11B has a groove shape that is narrower in the center portion than that of the locking step engagement groove 232 illustrated in FIG. The locking step engagement groove 232 illustrated in FIG. 11C is formed to the lower end of the threshold fixing frame 210 and the locking step engagement groove 232 illustrated in FIG. Compared to the shape formed more widely.

According to the present invention having the configuration described above, in the state where the door guide device 100 is caught by the door guide locking device 200, even when a strong impact is applied to the door, the door guide device 100 is The door guide locking device 200 can be held firmly constrained, thereby protecting the user from the risk of falling.

In addition, in the past, the door guide device for implementing the door guide function and the door injury prevention device and the hook ring for preventing the door from being separated must be separately provided to implement the door guide function and the door departure prevention function. Only the door guide device 100 and the door guide locking device 200 can be implemented together with the door guide function and the departure prevention function, and perform the cumbersome work accompanying the existing door injury prevention device and the hook. The door guide function and the door departure prevention function may be implemented together by installing a simpler and simpler structure.

In addition, the door guide locking device 200, the engagement hole 230 has the structure of the engaging groove engaging jaw 231 or the engaging jaw engaging groove 232 as described above, the side support portion Through the open space between the 212 or the locking jaw engaging groove 232 and the frame insertion groove 240 can check the clean state of the door guide locking device 200 from the outside visually, cleaning time It is easy to determine, the cleaning operation to remove the foreign matter stuck in the door guide locking device 200 can also be made more easily.

The door fixing frame 110 is formed to have a length sufficient to be integrally coupled to the door panel 10, and a plurality of shoe binding means 150 is formed along the longitudinal direction of the door fixing frame 110. When spaced apart, the door fixing frame 110 is fixedly coupled to the door panel 10, and the door shoe 120 is coupled to one of a plurality of shoe binding means 150 formed at an appropriate position. Installation of the guide device 100 may be easily performed.

12 is a front view illustrating various coupling states of the door shoe, in order to smoothly operate the door, the distance between the door shoe 120 needs to be adjusted according to site conditions so as to minimize noise and vibration. As shown in FIGS. 12A and 12B, the door shoe 120 is detached from the shoe binding means 150 and coupled to the shoe binding means 150 formed at another position. Position adjustment of the door shoe 120 can also be easily performed.

The present invention has been described with reference to preferred embodiments of the present invention, but the present invention is not limited to these embodiments, and the claims and detailed description of the present invention together with the embodiments in which the above embodiments are simply combined with existing known technologies. In the present invention, it can be seen that the technology that can be modified and used by those skilled in the art are naturally included in the technical scope of the present invention.

1-Front view and main portion side cross-sectional view showing a state of installation of the door according to the prior art

2-front and main side cross-sectional view showing a state in which the impact force is applied to the door of FIG.

3-front view showing a state where foreign matter is stuck inside the door injury prevention device of FIG.

4-front view showing a first embodiment of the elevator door departure prevention locking device according to the present invention

Figure 5-a perspective view showing a locking state between the locking groove and the locking groove engaging jaw

6-a perspective view showing a state where the door guide locking device of the first embodiment is installed on a threshold;

7 is a perspective view showing various embodiments of a door guide locking device having a locking jaw engaging jaw

8-front view showing a second embodiment of the elevator door departure prevention locking device according to the present invention

9-a perspective view showing a locking state between a locking jaw and a locking jaw engagement groove

10-perspective view showing a state in which the door guide locking device of the second embodiment is installed on the threshold;

11 is a perspective view showing various embodiments of the door guide locking device having a locking jaw engaging groove

12-Front view showing various engagement states of the door shoe

<Description of Major Symbols Used in Drawings>

10: door panel 30: threshold

100: door guide device 110: door fixing frame

111: door coupling portion 112: lower support portion

120: door shoe 130: engagement mouth

131: locking groove 132: locking jaw

140: reinforcing plate 150: binding means

200: door guide locking device 210: threshold fixing frame

211: threshold fixing part 212: side support

230: engaging target 231: locking groove engaging jaw

232: engaging jaw engaging groove 240: frame insertion groove

Claims (16)

A door fixing frame having a horizontally symmetrical shape including a door coupling part integrally formed to be continuously coupled to a lower end of the door panel, and a lower support part continuously formed below the door coupling part to be inserted into the groove of the threshold; A door shoe coupled to a lower support part of the door fixing frame and inserted into the groove of the threshold to guide the door shoe; And An engagement hole formed on the left and / or right end of the door fixing frame to be engaged with the engagement hole installed in the threshold; Door guide device for preventing the departure of the elevator door, characterized in that comprises a. The method of claim 1, wherein the door fixing frame, The door guide device for preventing the departure of the elevator door, characterized in that having a length of less than half of the width of the door panel or less than the width of the door panel. delete The method of claim 1, wherein the engagement sphere, The door guide device for preventing the departure of the elevator door, characterized in that the locking groove formed in the transverse direction on the left end and / or the right end of the door fixing frame. The method of claim 4, wherein A reinforcement plate installed on the door fixing frame to reinforce the shear strength of the lower end of the locking groove; Door guide device for preventing the departure of the elevator door, characterized in that further comprises a. The method of claim 1, wherein the engagement sphere, Door stop device for preventing the departure of the elevator door, characterized in that the locking projection protruding forward and / or rear on the left and / or right end of the door fixing frame. The method of claim 6, wherein the locking jaw, The bolt member or the rod member penetrates through the door fixing frame and is coupled to the door fixing frame, or protruded and coupled to the door fixing frame, the door guide device for preventing the separation of the elevator door. The method of claim 1, wherein the engagement sphere, Door stop device for preventing the departure of the elevator door, characterized in that the locking projection protruding to the left and / or the right end of the left end of the door fixing frame. The method of claim 1, Shoe binding means for forming a plurality of spaced apart along the longitudinal direction of the door fixing frame in a form that penetrates or protrudes on the door fixing frame to be detachable by assembly; Door guide device for preventing the departure of the elevator door, characterized in that further comprises a. A door locking frame having a left and right symmetrical shape consisting of a door coupling part integrally formed to be continuously coupled to a lower end of the door panel, a lower support part continuously formed below the door coupling part to be inserted into the groove of the threshold, and a threshold A door guide device having a door shoe coupled to a lower portion of the door fixing frame in a shape that can be inserted into a groove of the door, and an engagement hole formed on the left and / or right ends of the door fixing frame; And The door is provided with a threshold fixing frame fixed to the threshold and the door to be formed on the threshold fixing frame to be engaged with the door guide device according to the relative position between the door guide device and the threshold fixing frame Guide locking device; Elevator door departure prevention locking device, characterized in that configured to include. The method of claim 10, wherein the door to the engaging device of the locking device, Locking device for preventing departure of the elevator door, characterized in that the locking groove engaging jaw coupled to the front and rear direction at a distance from the bottom of the threshold fixing frame. The method of claim 11, The threshold fixing frame of the door guide locking device, A threshold fixing part fixedly installed on the threshold in a state connected to the threshold, and a pair of side support parts projecting upward from the threshold fixing part, The engaging groove engaging jaw, Both ends of the bolt member to the rod member is coupled to the side support portion of the threshold frame, respectively, or the lock preventing device for separation of the elevator door, characterized in that formed integrally connected with the side support. The method of claim 11, wherein the door guide locking device, Locking device for preventing the departure of the elevator door, characterized in that the upper and middle portions of the pipe member having a predetermined longitudinal cross-sectional shape is manufactured by removing. The method of claim 11, wherein the door guide locking device, Locking device for preventing departure of the elevator door, characterized in that consisting of a ring member having a constant longitudinal cross-sectional shape. The method of claim 10, wherein the door to the engaging device of the locking device, Locking device for preventing departure of the elevator door, characterized in that the engaging jaw engaging groove formed in the transverse direction on the left and / or right end of the threshold frame. The method of claim 15, wherein the door guide locking device, A frame insertion groove formed transversely on an upper surface of the left and / or right end of the threshold fixing frame such that the door fixing frame of the door guide device is insertable; Elevator door departure prevention lock, characterized in that further comprises a.

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