KR200470583Y1 - The locking device for rolling stock door - Google Patents

Abstract

Locking device for a railway vehicle door according to an embodiment of the present invention is installed on the outside of the door (door), the outer plate formed with a receiving space, the outer handle rotatably installed on the outer plate, the outer handle and the center is connected to the shaft And the press is formed at both ends with respect to the center portion, the lever having a reinforcing portion protruding from the front of the press portion, the rotatably installed on the plate so as to interlock with the lever, the contact portion in contact with the press portion at the top And a press portion formed at a lower end thereof, the first link having an extended portion over the press portion and the contact portion, and slidably installed on the outer plate so as to be interlocked with the first link. It is formed and provided on the latch and the outer plate formed with a locking portion for opening and closing the door (door) at the other end Receiving portion jungle value therein, and to the guide to prevent separation of the latch comprises a fixed cover provided on the front end. Therefore, the failure rate is reduced due to the durability of the individual parts and the overall increase of the contact area with the counterpart parts, thereby improving the reliability of using the locking device.

Description

Locking device for railway vehicle doors {THE LOCKING DEVICE FOR ROLLING STOCK DOOR}

The present invention relates to a lock for a railway vehicle door.

Railroad cab doors (doors), including high-speed railway vehicles (KTX), are operated by applying a lot of load because the locking device has a three-point support system for airtight performance. That is, in order to open the door (door), while pushing down the quick release lever of the inside locking device (the inside locking device) installed on the cab side (downward operation), the outside locking device (The Outside Locking Device) installed on the outside of the door Is opened by operating, and this is disclosed in detail in (Patent Document 1).

However, the locking device according to the prior art, including the (Patent Document 1) is a structure in which the external locking device to rotate in one direction to open the door (door) in conjunction with this in the downward linear movement of the quick opening lever, the external locking Due to frequent deterioration of the device and wear and breakage of some parts, interlocking with the internal locking device is not working smoothly.In case of such wear and damage, the external locking device cannot be operated. The crew is trapped in the cab due to the unopened door.

Referring to this in more detail with reference to (Patent Document 1), the cab door (door) of the railway vehicle is usually an external locking device installed outside the door (door) to withstand the pressure difference between the inside and the cab. It is a three-point support system. In addition, the rubber packing is provided with a double to maintain the airtight resistance is strong due to the pressing, and furthermore, it is characterized by a heavy weight because the door is firmly manufactured for noise prevention and cab safety.

Therefore, when opening and closing the door (door), the locking device according to the prior art is a large load on the parts such as latch (Latch) and the operation is not smooth, and accordingly the downward operation by excessive force, so that normal operation is gradually Since it becomes difficult and continues to operate excessively, the deformation and breakage of the parts having low durability will occur.

KR 2010-0006949 U

Therefore, the present invention is to solve the problem that the interlock between the internal locking device and the external locking device is made smoothly by improving the locking device according to the prior art, including the (Patent Document 1).

An aspect of the present invention is to provide a railway vehicle door locking device that prevents the occurrence of failure due to the wear of the parts to easily interlock the internal and external locking device, and prevent the occurrence of a safety accident.

To achieve this viewpoint,

Locking device for a railway vehicle door according to an embodiment of the present invention is installed on the inside and outside of the door (door) that is rotatably installed on the door frame (wall), the railway vehicle to open and close the door (door) in conjunction with each other In the door lock,

An outer plate installed outside the door and having an accommodation space;

An outer handle rotatably installed on the outer plate;

A lever connected to the center through the outer handle and the shaft and having a pressing portion formed at both ends with respect to the center portion, and having a reinforcing portion protruding from the front surface of the pressing portion;

A first link rotatably installed on an outer plate to interlock with the lever, a first contact part in close contact with the pressing part, a first press part formed at a lower end, and an extension part formed over the press part and the contact part;

A latch slidably installed on an outer plate to interlock with the first link, a latch formed at one end thereof in contact with the pressing part, and a lock formed at a second end thereof to open and close an entrance door; And

A fixing cover provided on the outer plate to accommodate the sliding part of the latch inside, and having a guide formed at the tip thereof to prevent the latch from being separated;

.

In addition, in the locking device for a railway vehicle door according to the present invention, the outer plate may be installed in the receiving space is provided with an intermediate cover to prevent the falling off of the latch.

In addition, the railway vehicle door locking device according to the present invention, one end is connected to the first link is a second link for interlocking the upper load bar and the lower load bar of the vertical locking device; And

A support assembly fixedly installing the second link on an outer plate;

As shown in FIG.

In addition, the railway vehicle door locking device according to the present invention, installed in the receiving space, both ends are fixed to the first link and the latch return spring for automatically returning the first link;

As shown in FIG.

In addition, the railway vehicle door locking device according to the present invention, the inner plate installed inside the door (door);

A lid defining an installation space between the inner plate and the inner plate;

An inner handle installed on the lid such that the outer handle and the rotation center are different from each other;

A first vertical link connected to the inner handle to connect the inner handle and the outer handle;

A second vertical link connected to the outer handle; And

A horizontal link connecting the first vertical link and the second vertical link;

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In addition, in the lock device for a railway vehicle door according to the present invention, the shaft is provided in the installation space adjacent to the first vertical link, the intermittent part is provided on one side, the groove is formed on the other side;

A handle installed on the outside of the lid to rotate the shaft; And

An outer case installed outside the door to accommodate an outer plate therein and having a key hole for exposing the shaft to the outside;

As shown in FIG.

These solutions will become more apparent from the following detailed description based on the accompanying drawings.

Prior to this, the terms or words used in this specification and claims should not be interpreted in their ordinary and dictionary meanings, and the inventors will be required to properly define the concepts of terms in order to best describe their own designs. On the basis of the principle that it can be, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention.

According to the present invention, the failure rate is reduced due to the durability of the individual parts constituting the locking device and the overall increase of the contact area with the counterpart parts, thereby improving the reliability of extending the service life and increasing the maintenance period. This reduces the number of failures and prevents the crew from getting caught in the cab.

Meanwhile, according to the present invention, the external locking device, the internal locking device, and the vertical locking device are linked to each other by linkage, so that the load on each axis is small so that not only the wear occurs but also the failure caused by this effectively. It can prevent.

In addition, according to the present invention, through the intermittent means including a shaft and the handle to block the rotation operation of the inner and outer handles, to prevent unnecessary opening from the outside unintentionally by the cab crew to greatly improve the airtightness and safety of the cab It can provide the effect.

1 is a plan view showing a locking device for a railway vehicle door according to an embodiment of the present invention.
2 to 3 is an exploded perspective view showing an external locking device according to an embodiment of the present invention.
Figure 4 is a front view showing an operating state of the external locking device according to an embodiment of the present invention.
5 is a front view showing a vertical locking device according to an embodiment of the present invention.
6 to 7 is an exploded perspective view showing the internal locking device according to an embodiment of the present invention.
8 is a front view showing an operating state of the internal locking device according to an embodiment of the present invention.
Figure 9 is an exploded perspective view showing a railroad vehicle door lock according to an embodiment of the present invention.

Specific aspects and specific technical features of the present invention will become more apparent from the following detailed description and examples associated with the accompanying drawings. In the present specification, in adding reference numerals to the components of each drawing, it should be noted that the same components as much as possible even if displayed on different drawings. Also, terms such as " first ","second"," one side ","other side ", etc. are used to distinguish one element from another element, . In describing the present invention, detailed descriptions of related well-known technologies that may unnecessarily obscure the subject matter of the present invention will be omitted.

The lock device for a railway vehicle door according to the present invention is for opening and closing a cab door (door) of a railway vehicle including a high speed railway vehicle (KTX), and is installed inside and outside of the door (door) and interlocks with each other. The door (door) is opened and closed. Hereinafter, a lock installed on the outside of the door (door) is referred to as an external lock, a lock installed inside is referred to as an internal lock, and a lock installed vertically with respect to the door (door) is vertical. It will be referred to as a lock.

Here, the external locking device is installed on the outside of the door (door), the outer plate formed with a receiving space (Outside Plate), the outer handle (Rotary Handle) installed to be rotatable on the outer plate, the outer handle and the central shaft ( Axle) is connected and rotated, the pressing portion is formed on both ends with respect to the center, and includes a lever (Lever) protruding the reinforcement portion on the front surface of the pressing portion.

The outer plate is provided with an accommodating space therein so that the individual parts constituting the outer locking device can be easily installed on the outside of the door (door). .

The outer handle installed in the outer plate is for driving the lever in one direction, and an axis connected to the center of the lever is provided in a quadrangular shape. In addition, the lever has a pressing portion formed at both ends of the center of the lever to interlock a link constituting the external locking device through the operation of the lever.

At this time, the pressing portion is formed to protrude on one surface in order to increase the contact area with the link, and also to improve the durability, thereby preventing the occurrence of component damage. The reinforcement part is usually formed integrally with the lever.

On the other hand, the external locking device is rotatably installed on the outer plate to interlock with the lever, the contact portion in close contact with the pressing portion is formed at the upper end, the pressing portion is formed at the lower end, and the expansion portion is formed over the pressing portion and the contact portion 1 Link, the latch is slidably installed on the outer plate to interlock with the first link, the push portion in contact with the pressing portion is formed at one end, the latch formed with a lock portion for opening and closing the door (door) at the other end And a fixing cover (Cover) formed at the tip of the outer plate to accommodate the sliding portion of the latch therein and preventing the latch from being separated.

The first link is provided as a counterpart for contacting and interlocking with the lever and the latch, respectively, that is, a contact portion in close contact with the pressing portion of the lever is formed at the upper end, and a pressing part in contact with the latch is formed at the lower end. In this case, the first link has an extension portion formed over the contact portion and the pressing portion in accordance with the durability increase structure of the lever, thereby increasing the contact area and durability.

Therefore, the lock device for a railway vehicle door according to the present invention can prevent complementary wear of any individual parts due to mutual complementary of the parts that are in contact with each other, thereby reducing the incidence of component breakage and inoperability and This prevents the occurrence of the same failure.

The latch engages and slides in conjunction with the first link to substantially open and close the door (door). The front end is exposed to the outside of the outer plate, and the rear end is housed inside the fixing cover.

In this case, the latch may be detached from the external plate by the rear end of the latch during the slide driving process. Therefore, in order to prevent this, the guide is formed to be extended to the fixing cover, and further, by installing the intermediate cover on the outer plate, it is possible to more easily prevent the latch from falling off.

Meanwhile, the locking device according to the present invention may further include a vertical locking device and an inner locking device that open and close the door (door) together with the external locking device described above, and are connected to the first link for interworking with the vertical locking device. And a second link to interwork.

The inner locking device is an inner plate (Inside plate) installed inside the door (door), a lid (Box) to form an installation space between the inner plate, the outer handle and the rotation center is installed on the lid to be different from each other An inner handle, a first vertical link connected to the inner handle to connect the inner handle and the outer handle, a second vertical link connected to the outer handle, and a horizontal link connecting the first and second vertical links. It includes.

Here, the second vertical link is directly connected to the external handle of the external locking device, and opens and closes the door (door) by driving the external handle during operation of the internal handle through interlocking with the first vertical link and the horizontal link. Done.

In addition, the internal locking device is provided with a control means including a shaft (shaft), a handle (Knob) to prevent unnecessary opening of the door (door) in consideration of the safety of the crew, the control means such door (door) The outer case may further include an outer case in which a key hole for exposing the shaft to the outer locking device is formed to be externally operated.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in Figure 1, the lock device for a railway vehicle door according to an embodiment of the present invention is an external locking device 100 installed on the outside of the door (3) installed in the door frame (2) and the internal locking device interlocking with it ( 200, and may further include a vertical locking device 300, through which the latch 150 to the door frame (2), or by opening or closing the door (3) to open and close the door (3) ) Is rotatably installed in the door frame (2) through a hinge (Hinge). Here, the shaft 121 of the outer handle 120 constituting the outer locking device 100 is exposed to the cab side through the door 3, so as to communicate with the inner handle 220 of the inner locking device 200. Done.

2 to 3, the external locking device 100 includes an external plate 110, an external handle 120, a lever 130, a first link 140, and a latch installed outside the door 3. 150 and the fixing cover 160. The outer plate 110 bends the sidewalls in one direction to form an accommodating space 111 therein, and the lever 130 is rotatably installed in the accommodating space 111.

The lever 130 is the outer handle 120 and the central portion is connected to the shaft 121 is rotated in one direction, the pressing portion 131 formed on both ends and the reinforcement portion protruding on the front surface of the pressing portion 131 ( 132 is in close physical contact with the contact portion 141 formed on the upper end of the first link 140. That is, the lever 130, when viewed vertically, is formed in a 'c' shape as a whole to increase the contact area and durability with the first link 140, the relative component.

The lever 130 is fixed to the outer plate 110 using a conventional bracket 133 to prevent separation from the outer plate 110, and also the outer handle 120 through the bracket 133. Forming a clearance between the first link 140 and the latch 150, such as to facilitate the link movement and slide drive is made.

The first link 140 has a contact portion 141 is formed at the upper end, the pressing portion 142 is formed at the lower end in contact with the lever 130 from the top, and the lower contact with the latch 150. To interlock. Therefore, the first link 140 forms an expansion portion 143 over the contact portion 141 and the pressing portion 142, thereby increasing the thickness thereof to increase the contact area and durability.

For example, the thickness of the contact portion 141 and the pressing portion 142 is usually formed to 3mm, by forming the expansion portion 143 of 3mm thickness integrally, the first having a total thickness of 6mm The link 140 is provided to the site for use.

Here, the first link 140 is connected to the second link 145 is interlocked, through which the external locking device 100 and the vertical locking device 300 is interlocked to open and close the door (3). In addition, the coil has a return spring 144 fixed to both the first link 140 and the latch 150 in the shape of a coil to automatically return to its original position after the link movement by the lever 130. For example, the second link 145 is formed to have a thickness of 7 mm to 5 mm in thickness, and is fixed to the outer plate 110 through the support assembly 146.

On the other hand, the latch 150 is provided to be slidably left and right in the drawing through the elastic body 153 in the lower portion of the outer plate 110, and is normally pushed 151 is formed at one end by processing a metal material, the other end The locking portion 152 is provided in a rectangular shape formed in a straight line. In addition, the pusher 151 is provided to be formed to have a length of 9.5 mm to 11 mm based on one surface of the latch 150 so that contact with the first link 140 is easily performed.

The fixing cover 160 is installed on the outer plate 110 to accommodate one end of the latch 150 and the elastic body 153 therein. Here, the fixing cover 160 is formed with a guide 161 at the front end to prevent the separation that may occur during the slide process of the latch 150. In addition, the intermediate cover 162 is installed on the outer plate 110 so as to prevent the latch 150 from falling off and is disposed in the accommodation space 111.

As shown in Figure 4, the external locking device 100 according to an embodiment of the present invention is driven in the downward direction the pressing portion 131 formed on the left side of the drawing of the lever 130 in conjunction with the external handle 120, As the contact portion 141 is lowered by the pressing portion 131 and the first link 140 rotates in the clockwise direction, the latch 150 is received inside the fixing cover 160 through the pressing portion 142. The door 3 is opened. And in the reverse order through the elastic body 153 and the return spring 144, the door 3 is sealed through the locking portion 152 of the latch 150, wherein the sliding portion of the latch 150 151 is interrupted by the guide 161, thereby preventing separation.

Here, due to the clockwise rotation of the first link 140, the second link 145 connected to the first link 140 rotates counterclockwise to drive the vertical locking device 300 to open and close the door 3.

As shown in FIG. 5, the vertical locking device 300 includes an upper load bar 310 provided at an upper portion of the door 3 and a lower load bar 320 provided at a lower portion of the upper and lower load bars 310. ) 320 is connected to the second link 145 and interlocked in the vertical direction, thereby supporting the door 3 at the time of driving the outer handle 120, and also supports the door (3) in the door frame (2) It will be opened and closed.

Meanwhile, the internal locking device according to the embodiment of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIGS. 6 to 7, the inner locking device 200 links the shaft 121 of the outer handle 120 and the second shaft 221 of the inner handle 220 to rotate the inner handle 220. By sliding the latch 150 during operation, the door 3 can be opened on the cab side.

To this end, the inner locking device 200 includes an inner plate 210, a lid 212, an inner handle 220, first and second vertical links 231 and 232, and a horizontal link 233. The inner plate 210 is provided to install a shaft 121 exposed through the door 3 to the cab side and a second shaft 221 linked to the shaft 121.

The inner plate 210 is installed inside the door 3, by screwing the lid 212, the shaft 121 and the second shaft between the inner plate 210 and the lid 212. An installation space 211 is formed to accommodate 21, first and second vertical links 231 and 232 and horizontal links 233, and rotates the second shaft 221 on the lid 212. Inner handle 220 is installed to make.

The auxiliary space 214 is installed in the installation space 211 to induce stable rotation by preventing separation and separation of the first and second vertical links 231 and 232 and the horizontal links 233. That is, the auxiliary cover 214 is screwed to the inner plate 210 to interrupt the first and second vertical links 231 and 232 and the horizontal link 233, thereby causing the inner handle 220 to rotate. It is to prevent the separation and separation of each link during the rotation process.

In addition, the lid 212 is formed so that the edge is rounded or inclined so that the lid 212 avoids interference with the adjacent door frame 2 when the door 3 is opened, thereby making the lid 212 the maximum It can be installed close to the door frame (2) can increase the space utilization of the door (3).

The inner handle 220 is installed on the lid 212 so that the center of rotation is different from the outer handle 120 of the external locking device 100 described above. That is, the inner handle 220 is installed on the lid 212 through a second shaft 221 located on one side of the shaft 121 of the outer handle 120.

Therefore, not only can the shaft 121 and the second shaft 221, which are the rotation center bodies for rotating the inner handle 220 and the outer handle 120, be prevented from being worn by direct rotational friction, and excessive load ( It is possible to prevent the deformation caused by the load). The inner handle 220 is an example, is installed on the lid 212 to be connected to the pin (pin) to the second shaft 221, and to rotate the second shaft 221 in the clockwise direction on the drawing through a rotational movement. do.

Meanwhile, the first and second vertical links 231, 232 and the horizontal link 233 are mechanically connected to the inner handle 220 and the outer handle 120, and latches connected to the outer handle 120 at the cab side. Slide 150 is driven.

That is, as described above, the latch 150 for opening and closing the door 3 is installed in the external locking device 100 to drive the slide during the rotational movement of the external handle 120. Accordingly, the first and second vertical links 231 and 232 and the horizontal link 233 are provided to indirectly rotate the external handle 120 at the cab side where the external handle 120 cannot be directly rotated. .

The first and second vertical links 231 and 232 and the horizontal link 233 have an installation space to link the shaft 121 of the outer handle 120 and the second shaft 221 of the inner handle 220 to each other. It is installed in the 211, each link is shown by the embodiment adopting the insert fastening method using a conventional hole and projection, each projection is pin fastened so as not to be separated from the hole.

As shown in FIG. 8, the internal locking device 200 rotates the second shaft 221 connected thereto in the same direction when the internal handle 220 is rotated clockwise from the cab side. 1 vertical link 231 is rotated, due to the rotation of the first vertical link 231 the horizontal link 233 is a linear movement to the left in the drawing.

Due to the linear movement of the horizontal link 233, the second link 232 connected thereto rotates about the shaft 121, and finally the shaft 121 rotates, and as a result, the outer handle 120 By sliding the latch 150 connected to the) it is possible to open and close the door (3).

As described above, the first and second vertical links 231 and 232 and the horizontal link 233 that rotate the clockwise direction to open the door 3 rotate the inner handle 220 in the counterclockwise direction or return to the second position. The spring 234 returns to its original position.

The second return spring 234 has an upper end coupled to the inner plate 210, and a lower end thereof is connected to the first vertical link 231, whereby the first vertical link 231 is caused by a rotational movement of the inner handle 220. ) Is increased during rotation, and is compressed to stop the rotational movement of the inner handle 220 to automatically return the first vertical link 231.

On the other hand, the internal locking device 200 is to prevent unnecessary opening of the door 3 in consideration of the safety of the crew. To this end, it is further provided with a control means 240 is installed on the outside of the lid 210 is connected to the first vertical link (231).

That is, the control means 240 is to prevent unnecessary opening of the door 3 by blocking the rotation of the first vertical link 231, blocking the rotational movement of the external handle 120 connected thereto. It consists of a shaft 241 installed in the installation space 211 so as to be adjacent to the upper portion of the vertical link 231 and a handle 244 connected to the shaft 241 is installed on the lid 212.

The shaft 241 is installed on the installation plate 211 is installed on the upper portion of the inner plate 210, one side is provided with an intermittent portion 242 is caught by the first vertical link 231, the other surface The groove portion 243 through which the first vertical link 231 passes freely is provided, and the groove portion 243 and the interruption portion 242 at this time are formed by dividing one end of the shaft 241.

Accordingly, by manipulating the handle 244 installed on the outside of the lid 212, when the third shaft 241 connected thereto rotates and the intermittent portion 242 is adjacent to the first vertical link 231, the first vertical link. When the groove 243 is adjacent to the first vertical link 231, the first vertical link 231 rotates while passing through the groove 243.

As shown in FIG. 9, the external locking device 100 includes an outer case 170 in which a key hole 171 is formed so that the shaft 241 constituting the control unit 240 can be identified from the outside of the door 3. It further includes, and through the outer case 170 to protect the outer plate 110 to be accommodated therein.

That is, the outer case 170 is installed on the outside of the door 3 to protect the outer plate 110 and to allow the outer handle 120 to be installed, the control means 240 from the outside of the door 3. A worker or a crew member having a dedicated key that is suitable for the operation can be operated using the key hole 171.

Although the present invention has been described in detail by way of examples, it is intended to describe the present invention in detail, and the lock device for a railway vehicle door according to the present invention is not limited thereto, and the technical features of the present invention may be used. It is clear that modifications and improvements are possible by those with knowledge of the world.

It will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

1-Lock 2-Door Frame
3-Door 100-External Lock
110-External Plate 111-Storage Area
120-external handle 121-axis
130-Lever 131-Pressurization
132-Reinforcements 133-Brackets
140-First Link 141-Contact
142-Push 143-Extension
144-return spring 145-second link
146-Support Assembly 150-Latches
151-Jungle 152-Locking Section
153-Elastic 160-Retaining Cover
161-Guide 162-Intermediate cover
170-Outer case 171-Keyhole
200-Internal Lock 210-Internal Plate
211-Installation Space 212-Lid
220-Inner Handle 221-2nd Axis
231-First Vertical Link 232-Second Vertical Link
233-horizontal link 240-intermittent means
241-Shaft 242-Intermittent
243-Groove 300-Vertical Lock
310-Upper Load Bar 320-Lower Load Bar

Claims (6)

In the door lock (door) is installed inside and outside the door (door) rotatably installed, the railway vehicle door lock device for opening and closing the door (door) in cooperation with each other,
An outer plate installed outside the door and having an accommodation space;
An outer handle rotatably installed on the outer plate;
A lever connected to the outer handle and the center of the shaft, the pressurizing parts being formed at both ends with respect to the center part, and a reinforcing part protruding from the front of the pressurizing part;
The first link is rotatably installed on the outer plate to interlock with the lever, the contact portion in close contact with the pressing portion is formed at the upper end, the pressing portion is formed at the lower end, and the extension portion is formed over the pressing portion and the contact portion. ;
A latch slidably installed on an outer plate so as to interlock with the first link, a latch formed at one end thereof in contact with the pressing part, and a latch having a lock part configured to open and close an entrance door (door) at the other end; And
A fixing cover provided on the outer plate to accommodate the sliding portion of the latch therein and having a guide formed at the tip thereof to prevent the latch from being separated;
Locking device for a railway vehicle door comprising a.
The method according to claim 1,
The outer plate is disposed in the receiving space, the rail car door lock device characterized in that the intermediate cover is installed to prevent the falling off.
The method according to claim 1,
A second link having one end connected to the first link and interlocking an upper load bar and a lower load bar of the vertical locking device; And
An assembly for fixing the second link to an outer plate;
Locking device for a railway vehicle door further comprising a.
The method according to claim 1,
A return spring installed in the accommodation space and having both ends fixed to the first link and the latch to automatically return the first link;
Locking device for a railway vehicle door further comprising a.
The method according to claim 1,
An inner plate installed inside the door (door);
A lid (Box) forming an installation space between the inner plate and the inner plate;
An inner handle installed on the lid such that the outer handle and the rotation center are different from each other;
A first vertical link connected to the inner handle to connect the inner handle and the outer handle;
A second vertical link connected to the outer handle; And
A horizontal link connecting the first vertical link and the second vertical link;
Locking device for a railway vehicle door comprising a.
The method according to claim 5,
A shaft installed in an installation space to be adjacent to the first vertical link, the shaft being divided on one surface thereof with an intermittent portion and provided with a groove portion on the other surface thereof;
A handle (Knob) installed on the outside of the lid to rotate the shaft; And
An outer case installed outside the door to accommodate an outer plate therein and having a key hole for externally exposing the shaft;
Locking device for a railway vehicle door further comprising a.

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