A locking system for an elevator cabin door and a method to assemble the same

The integrated locking system for elevator cabin doors, featuring a contact switch and wire rope, addresses assembly challenges and enhances safety by ensuring proper alignment and secure operation during motion.

WO2025196689A1PCT designated stage Publication Date: 2025-09-25VISHAL RUPHAVATHY
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Patent Information

Application Number
PCT/IB2025/052934
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-03-22
Filing Date
2025-03-20
Publication Date
2025-09-25

AI Technical Summary

Technical Problem

Current elevator cabin door locking systems are difficult to assemble and lack proper alignment, compromising safety during motion.

Method used

A locking system for elevator cabin doors comprising a contact switch, door lock, and wire rope, positioned inside a guide rail pillar, ensuring safe door locking and easy assembly by integrating these components into a single unit.

Benefits of technology

The system provides safe and easy assembly of the locking mechanism, ensuring secure door alignment and operation during elevator motion.

✦ Generated by Eureka AI based on patent content.

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Abstract

A locking system (100) for an elevator cabin door of a pneumatic vacuum elevator (200) is disclosed The locking system includes a contact switch (102), a door lock (104), and a wire rope (106). The contact switch is positioned inside a guide rail pillar (213) and is in contact with a door frame (112) when the door is closed, and the contact 5 switch is away from the door frame when the door is at landed. The door lock is engaged with the door frame and adapted to be in contact with the contact switch. The wire rope is adapted to receive a control signal from a controller (108) to activate the elevator cabin (220) in an upward direction for releasing the door lock during the elevator cabin landing and door open condition and release the door lock partially by 10 activating in an upward direction.
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Description

[0001] A LOCKING SYSTEM FOR AN ELEVATOR CABIN DOOR AND A METHOD TO ASSEMBLE THE SAME

[0002] EARLIEST PRIORITY DATE:

[0003] This Application claims priority from a complete patent application filed in India having Patent Application No. 202441022279, filed on 22nd day of March 2024, and titled “A LOCKING SYSTEM FOR AN ELEVATOR CABIN DOOR AND A METHOD TO ASSEMBLE THE SAME”.

[0004] FIELD OF INVENTION

[0005] Embodiments of the present disclosure relate to elevators and more particularly to a locking system for an elevator cabin door and a method to assemble the same.

[0006] BACKGROUND

[0007] The development of elevators was led by the need for the movement of heavy materials and lifting goods. It is an essential part of modern architecture, allowing for efficient vertical movement in tall buildings. The elevators provide easy transportation and are time-saving technology. Several types of elevators are available such as pneumatic elevator systems, vacuum elevator systems, and the like. Components of the elevators includes elevator cabin, control systems, door, and the like. For the elevators need locking for safety measures. Implementing a locking system for the elevator cabin involves several considerations for safety, security, and functionality.

[0008] Currently, the locking systems used in the elevators have door lock and switches in different units which are difficult to assemble in the elevator cabin. There is need of a system which may provide utmost safety to the elevator while the elevator is in motion.

[0009] Hence, there is a need for a locking system for an elevator cabin door and a method to assemble the same to address the aforementioned issue(s).

[0010] OBJECTIVE OF THE INVENTION An objective of the present invention is to provide a locking system in a single unit of the elevator cabin.

[0011] Another objective of the present invention is to provide a locking system for elevator cabin which is easy to assemble with the elevator cabin.

[0012] Yet, an objective of the present invention is to provide the utmost safety to the elevator while the elevator is in motion by providing proper alignment of the locking system with the elevator cabin door.

[0013] BRIEF DESCRIPTION

[0014] In accordance with an embodiment of the present disclosure a locking system for a door of a pneumatic vacuum elevator is provided. The locking system includes a contact switch, a door lock, and a wire rope. The contact switch is positioned inside a guide rail pillar on a landing floor cylinder of the pneumatic vacuum elevator. The contact switch is in contact with the door frame when the door is closed, and the contact switch is away from the door frame when the door is at landing stage to ensure safe door locking. The landing stage is when the door lock is partially released. The door lock is engaged with a door frame and adapted to be in contact with the contact switch. The door lock is completely locked in a moving condition. The wire rope is functionally connected with the contact switch. The wire rope is adapted to receive a control signal from the controller to activate the elevator cabin in an upward direction for releasing the door lock during cabin landing and door open condition. The wire rope is also adapted to release the door lock partially by activating the wire rope in an upward direction.

[0015] In accordance with another embodiment of the present disclosure, a method for assembling a locking system for an elevator cabin door. The method providing, a contact switch inside a guide rail pillar on a landing floor cylinder of the pneumatic vacuum elevator. The contact switch is in contact with the door frame when the door is closed, and the contact switch is away from the door frame when the door is at landing stage to ensure safe door locking. The landing stage is when the door lock is partially released. The method also includes providing, a door lock engaged with a door frame, wherein the door lock is adapted to be in contact with the contact switch, wherein the door lock is completely locked in a moving condition. Further, the method includes receiving, by a wire rope, a control signal from the controller to activate the elevator cabin in an upward direction for releasing the door lock during cabin landing and door open condition. Furthermore, the method includes releasing, rope, the door lock partially by activating the wire rope in an upward direction.

[0016] In accordance with yet another embodiment of the present disclosure, a pneumatic vacuum is provided. The elevator includes an external cylinder assembly includes an elevator cabin inserted therein. The external cylinder assembly includes a plurality of cylinders coupled using a base ring assembly and a band ring assembly. The external cylinder assembly includes a guide rail pillar mechanically coupled to the elevator cabin. The guide rail pillar is disposed at the external cylinder assembly. The guide rail pillar is configured to guide an actuation of the elevator cabin. Further, the elevator includes a locking system for a door of a pneumatic vacuum elevator is provided. The locking system includes a contact switch, a door lock, and a wire rope. The contact switch is positioned inside a guide rail pillar on a landing floor cylinder of the pneumatic vacuum elevator. The contact switch is in contact with the door frame when the door is closed, and the contact switch is away from the door frame when the door is at landing stage to ensure safe door locking. The landing stage is when the door lock is partially released. The door lock is engaged with a door frame and adapted to be in contact with the contact switch. The door lock is completely locked in a moving condition. The wire rope is functionally connected with the contact switch. The wire rope is adapted to receive a control signal from the controller to activate the elevator cabin in an upward direction for releasing the door lock during cabin landing and door open condition. The wire rope is also adapted to release the door lock partially by activating the wire rope in an upward direction. The elevator also includes a polycarbonate sheet is configured to cover the external cylinder assembly. The polycarbonate sheet and the external cylinder assembly is coupled using a first locking device and a second locking device. The first locking device is configured to lock an air gap between the polycarbonate sheet, the base ring assembly, and the external cylinder assembly, and the second locking device is configured to lock the air gap between the polycarbonate sheet and the guide rail pillar. Furthermore, the elevator includes a seal assembly adapted to fit over a top portion of the elevator cabin. The seal assembly is configured to seal the elevator cabin to reduce vibrations during upward and downward movement of the elevator cabin. The seal assembly includes a depressurizing system configured to prevent the elevator cabin from coming into force contact with the external cylinder assembly during upward movement and contribute to safety of an elevator operation. Furthermore, the elevator includes an electronic control unit located on top of the external cylinder assembly.

[0017] To further clarify the advantages and features of the present disclosure, a more particular description of the disclosure will follow by reference to specific embodiments thereof, which are illustrated in the appended figures. It is to be appreciated that these figures depict only typical embodiments of the disclosure and are therefore not to be considered limiting in scope. The disclosure will be described and explained with additional specificity and detail with the appended figures.

[0018] BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The disclosure will be described and explained with additional specificity and detail with the accompanying figures in which:

[0020] FIG. 1 is an exploded view of a locking system of an elevator cabin door in accordance with an embodiment of the present disclosure;

[0021] FIG. 2a is schematic representation of a cross-sectional view of a door open stage the elevator cabin at landing position when an electrical signal is given to the controller at of FIG. 1 in accordance with an embodiment of the present disclosure;

[0022] FIG. 2b is schematic representation of a cross-sectional view of a door open stage the elevator cabin at landed position when an electrical signal is not given to the controller at of FIG. 1 in accordance with an embodiment of the present disclosure;

[0023] FIG. 2c is schematic representation of a cross-sectional view of a door closed stage the elevator cabin at moving condition when an electrical signal is given to the controller at of FIG. 1 in accordance with an embodiment of the present disclosure;

[0024] FIG. 3a is a schematic representation of a cross sectional view of a door lock in a locked condition of FIG. 1 in accordance with an embodiment of the present disclosure; FIG. 3b is a schematic representation of a cross sectional view of contact switch in a locked condition of FIG. 1 in accordance with an embodiment of the present disclosure;

[0025] FIG. 4a is a schematic representation of a cross sectional view of the door lock in an unlocked condition of FIG. 1 in accordance with an embodiment of the present disclosure;

[0026] FIG. 4b is a schematic representation of a cross sectional view of the contact switch in an unlocked condition of FIG. 1 in accordance with an embodiment of the present disclosure;

[0027] FIG. 5 is a schematic representation of pneumatic vacuum elevator in accordance with an embodiment of the present disclosure; and

[0028] FIG. 6 is a flow chart representing the steps involved in a method for assembling a lock system of an elevator cabin door in accordance with an embodiment of the present disclosure.

[0029] Further, those skilled in the art will appreciate that elements in the figures are illustrated for simplicity and may not have necessarily been drawn to scale. Furthermore, in terms of the construction of the device, one or more components of the device may have been represented in the figures by conventional symbols, and the figures may show only those specific details that are pertinent to understanding the embodiments of the present disclosure so as not to obscure the figures with details that will be readily apparent to those skilled in the art having the benefit of the description herein.

[0030] DETAILED DESCRIPTION

[0031] For the purpose of promoting an understanding of the principles of the disclosure, reference will now be made to the embodiment illustrated in the figures and specific language will be used to describe them. It will nevertheless be understood that no limitation of the scope of the disclosure is thereby intended. Such alterations and further modifications in the illustrated system, and such further applications of the principles of the disclosure as would normally occur to those skilled in the art are to be construed as being within the scope of the present disclosure.

[0032] The terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process or method that comprises a list of steps does not include only those steps but may include other steps not expressly listed or inherent to such a process or method. Similarly, one or more devices or sub-systems or elements or structures or components preceded by "comprises... a" does not, without more constraints, preclude the existence of other devices, sub-systems, elements, structures, components, additional devices, additional sub-systems, additional elements, additional structures or additional components. Appearances of the phrase "in an embodiment", "in another embodiment" and similar language throughout this specification may, but not necessarily do, all refer to the same embodiment.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this disclosure belongs. The system, methods, and examples provided herein are only illustrative and not intended to be limiting.

[0034] In the following specification and the claims, reference will be made to a number of terms, which shall be defined to have the following meanings. The singular forms “a”, “an”, and “the” include plural references unless the context clearly dictates otherwise.

[0035] Embodiments of the present disclosure relates to a locking system for an elevator cabin door of a pneumatic vacuum elevator. The locking system includes a contact switch, a door lock, and a wire rope. The contact switch is positioned inside a guide rail pillar on a landing floor cylinder of the pneumatic vacuum elevator. The contact switch is in contact with the door frame when the door is closed, and the contact switch is away from the door frame when the door is at landing stage to ensure safe door locking. The landing stage is when the door lock is partially released. The door lock is engaged with a door frame and adapted to be in contact with the contact switch. The door lock is completely locked in a moving condition. The wire rope is functionally connected with the contact switch. The wire rope is adapted to receive a control signal from the controller to activate the elevator cabin in an upward direction for releasing the door lock during cabin landing and door open condition. The wire rope is also adapted to release the door lock partially by activating the wire rope in an upward direction.

[0036] FIG. 1 is an exploded view of a locking system (100) for an elevator cabin door of a pneumatic vacuum elevator (200, shown in FIG. 5) in accordance with an embodiment of the present disclosure. In a preferred embodiment, the elevator cabin (220) may be a pneumatic vacuum elevator. The locking system (100) include a contact switch (102), a door lock (104), and a wire rope (106).

[0037] The contact switch (102) is positioned inside a guide rail pillar (213) on a landing floor cylinder of the pneumatic vacuum elevator (200). The contact switch (102) is in contact with a door frame (112) when the door is closed. The contact switch (102) is away from the door frame (112) when the door is at landing stage to ensure safe door locking. The landing stage is when the door lock (104) is partially released. In one embodiment, the locking system (100) includes a housing (168) adapted to accommodate a plurality of components of the contact switch (102). In one embodiment, the contact switch (102) is positioned at the rear end of the elevator cabin facing towards the door frame (112). The contact switch (102) is precluded in contact with the elevator cabin door frame.

[0038] The door lock (104) is engaged with the door frame (112). The door lock (104) is adapted to be in contact with the contact switch (102). The door lock (104) is completely locked in a moving condition. In one embodiment, the door lock (104) is a safety pin lock. In one embodiment, the door lock (104) is in an ideal stage when the elevator cabin is landing, and the door is opened.

[0039] The wire rope (106) is functionally connected with the contact switch (102). The wire rope (106) is adapted to receive a control signal from a controller (108, shown in FIG. 5) to activate the elevator cabin (220, shown in FIG. 5) in an upward direction for releasing the door lock (104) during the elevator cabin (220) landing and door open condition. The wire rope (106) is also adapted to receive release the door lock (104) partially by activating the wire rope in an upward direction. In one embodiment, the wire rope (106) is deactivated during the moving condition of the elevator cabin.

[0040] In one embodiment, the locking system (100) includes a contact pin holder (114), a top cover (116), a middle transparent cover (118) and a bottom contact switch cover (120), a rope acting block assembly (122) and a sliding pin stopper (124) rigidly connected to a body (126) of the locking system (100) by means of a plurality of head screws (128), a nut (130), a key lock pin guide shaft (132), an Allen screw (134), a key lock washer (136) and a rubber strip (138).

[0041] Similarly, the contact switch (102) includes a guide block (140), a door contact switch assembly (142), a door lock housing cover plate (144), a cable holding block assembly (146) and a cable (148) are rigidly connected to the body locking system (126) by means of a plurality of springs (154), a star head screw (150), and a plurality of star washer head screw (152).

[0042] FIG. 2a is schematic representation of a cross-sectional view of a door open stage the elevator cabin at landing position when an electrical signal is given to the controller (108) at of FIG. 1 in accordance with an embodiment of the present disclosure. In one embodiment, while the elevator cabin is in landing stage, the wire rope may be activated by the upward direction, at the same time the door lock (104) is released. In one embodiment, the electrical signal is given to the controller (108). The released door lock (104) allows the elevator cabin door to normally closed (NC). The door lock (104) may receive an electrical signal from the controller causing the door frame (112) to open. As the door is open, till the electrical signal is received by the door lock (104), the contact switch (102) is not in contact with the door frame (112).

[0043] FIG. 2b is schematic representation of a cross-sectional view of a door open stage the elevator cabin at landed position when an electrical signal is not given to the controller (108, shown in FIG. 5) at of FIG. 1 in accordance with an embodiment of the present disclosure. In one embodiment, when the elevator cabin (220) is in landing stage, the wire rope (106) may be activated to move to the upward direction and at the same time, the door lock (104) is partially released. This partial release of the door lock (104) is an IDEAL stage of the elevator cabin (220). As the door is partially opened, the elevator cabin may not receive the electrical signal from the controller (108), but the door frame (112) is able to open. As the door lock is not fully released, the contact switch (102) is not in contact with the door frame (112).

[0044] FIG. 2c is schematic representation of a cross-sectional view of a door closed stage the elevator cabin (220) at moving condition when an electrical signal is given to the controller (108) at of FIG. 1 in accordance with an embodiment of the present disclosure. In one embodiment, when the elevator cabin (220) is in moving stage, the wire rope (106) is in normal condition that is the wire rope (106) is not moving in upward direction. In this condition, the door lock (104) is fully locked and is in a normally closed (NC) condition. The door lock (104) waits to receive the electrical signal from the controller (108, shown in FIG. 5). In one embodiment, the contact switch (102) is in contact with the door frame (112). In one embodiment, to ensure the safe door locking system, the contact switch (102) is in contact with the door frame (112) while the door is closed and is away from the door frame (112) while the door is in landing stage. In one embodiment, the contact switch (102) is activated by touching the door frame (112) and receives an electrical signal from the controller (108) to ensure the safe door locking system. In one embodiment, the door lock (104) and the contact switch (102) are designed as a combined in single unit.

[0045] FIG. 3a is a schematic representation of a cross sectional view of a door lock in a locked condition of FIG. 1 in accordance with an embodiment of the present disclosure. In one embodiment, the door lock (104) includes a lock housing adapted to accommodate a pin lock guide bush (160). The pin lock guide bush (160) is adapted to accommodate a lock pin activating block (162) which activates or deactivate the door lock (104) based on landing stage or moving stage of the elevator cabin. The lock pin activating block (162) is adapted to fit in a spring (158). In embodiment, the lock pin (166) is inserted in the lock pin activating block (162) and the spring (164, shown in FIG. 1) of the door is locked.

[0046] FIG. 3b is a schematic representation of a cross sectional view of contact switch (102) in a locked condition of FIG. 1 in accordance with an embodiment of the present disclosure. The cover plate (144, shown in FIG. la) includes a plurality of holes. In one embodiment, the cover plate (144) is adapted to embed a cable in a top hole of the plurality of holes. In one embodiment, the cable is accommodated by the contact pin holder (114, shown in FIG. 1) and connected with a fastener. The contact switch (102) also includes a spring (134, shown in FIG. 1) to provide a spring back effect. In one embodiment, the contact switch (102) is in in contact with the door frame (112, shown in FIG. 3a). FIG. 4a is a schematic representation of a cross sectional view of the door lock (104) in an unlocked condition of FIG. 1 in accordance with an embodiment of the present disclosure. In embodiment, the lock pin (166) is not inserted in the lock pin block (162) and the spring (158) of the door is locked.

[0047] FIG. 4b is a schematic representation of a cross sectional view of the contact switch (102) in an unlocked condition of FIG. 1 in accordance with an embodiment of the present disclosure. In one embodiment, when the contact switch (102) is pressed a distance is established with the door frame (112, shown in FIG. 3a). The cable (148) is rigidly connected to the body locking system (126, shown in FIG. 1) by means of a plurality of springs (154), a star head screw (150, shown in FIG. 1).

[0048] FIG. 5 is a schematic representation of a pneumatic vacuum elevator (300) in accordance with an embodiment of the present disclosure. The pneumatic vacuum elevator (200) includes an external cylinder assembly (210) including an elevator cabin (102) inserted therein. The external cylinder assembly (210) includes a plurality of cylinders coupled using a base ring assembly (211) and a band ring assembly (312).

[0049] The pneumatic vacuum elevator (300) also includes a guide rail pillar (213) mechanically coupled to the elevator cabin (220). The guide rail pillar (213) is disposed at the external cylinder assembly (210). The guide rail pillar (213) is configured to guide an actuation of the elevator cabin (220).

[0050] Further, the pneumatic vacuum elevator (200) includes a locking system (100) include a contact switch (102), a door lock (104), and a wire rope (106).

[0051] The contact switch (102) is positioned inside the guide rail pillar (213) on a landing floor cylinder of the pneumatic vacuum elevator (200). The contact switch (102) is in contact with a door frame (112) when the door is closed. The contact switch (102) is away from the door frame (112) when the door is at landing stage to ensure safe door locking. The landing stage is when the door lock (104) is partially released;

[0052] The door lock (104) is engaged with the door frame (112). The door lock (104) is adapted to be in contact with the contact switch (102). The door lock (104) is completely locked in a moving condition. In one embodiment, the door lock (104) is a safety pin lock. The wire rope (106) functionally connected with the contact switch (102). The wire rope (106) is adapted to receive a control signal from a controller (108) to activate the elevator cabin (220) in an upward direction for releasing the door lock (104) during the elevator cabin (220) landing and door open condition. The wire rope (106) is also adapted to receive release the door lock (104) partially by activating the wire rope in an upward direction.

[0053] Furthermore, the pneumatic vacuum elevator (200) includes a polycarbonate sheet (214) configured to cover the external cylinder assembly (210). The polycarbonate sheet (214) and the external cylinder assembly (210) is coupled using a first locking device and a second locking device. The first locking device is configured to lock an air gap between the polycarbonate sheet (214), the base ring assembly (211) and the external cylinder assembly (210) and the second locking device is configured to lock air gap between the polycarbonate sheet (214) and the guide rail pillar (213).

[0054] Moreover, the pneumatic vacuum elevator includes a seal assembly (215) adapted to fit over a top portion of the elevator cabin (220). The seal assembly (215) is configured to seal the elevator cabin (220) to reduce vibrations during upward and downward movement of the elevator cabin (220). The seal assembly (215) comprises a depressurizing system configured to prevent the elevator cabin from coming into force contact with the external cylinder assembly during upward movement and contribute to safety of an elevator operation.

[0055] Moreover, the pneumatic vacuum elevator includes an electronic control unit (225) located on top of the external cylinder assembly (210).

[0056] FIG. 6 is a flow chart representing the steps involved in a method (300) for assembling the locking assembling of the elevator cabin door of an elevator cabin in accordance with an embodiment of the present disclosure.

[0057] The method (300) includes providing, a contact switch inside a guide rail pillar on a landing floor cylinder of the pneumatic vacuum elevator. The contact switch is in contact with the door frame when the door is closed, and the contact switch is away from the door frame when the door is at landing stage to ensure safe door locking. The landing stage is when the door lock is partially released in step (302). The method (300) also includes positioning, the contact switch at the rear end of the elevator cabin facing towards the door frame. The contact switch is precluded in contact with the elevator cabin door frame. The method (300) also includes proving, a housing adapted to accommodate a plurality of components of the contact switch.

[0058] The method (300) also includes providing, a door lock engaged with a door frame, wherein the door lock is adapted to be in contact with the contact switch, wherein the door lock is completely locked in a moving condition in step (304). In one embodiment, the door lock is in an ideal stage when the elevator cabin is landing, and the door is opened.

[0059] Further, the method (300) includes receiving, by a wire rope, a control signal from the controller to activate the elevator cabin in an upward direction for releasing the door lock during cabin landing and door open condition in step (306). The method (300) also includes deactivating, the wire rope during the moving condition of the elevator cabin.

[0060] Furthermore, the method (300) includes releasing, the door lock partially by activating the wire rope in an upward direction in step (308).

[0061] Various embodiments of the present disclosure provide a locking system for an elevator cabin door. The locking system disclosed in the present disclosure is assembled in proper alignment. The locking system disclosed in the present disclosure provides a door lock and a contact switch in a single unit of the elevator cabin, hence the locking system is easy to assemble with the elevator. The locking system disclosed in the present disclosure, provides the utmost safety to the elevator while the elevator is in motion by providing proper alignment of the locking system with the elevator cabin door.

[0062] While specific language has been used to describe the disclosure, any limitations arising on account of the same are not intended. As would be apparent to a person skilled in the art, various working modifications may be made to the method (250) in order to implement the inventive concept as taught herein.

[0063] The figures and the foregoing description give examples of embodiments. Those skilled in the art will appreciate that one or more of the described elements may well be combined into a single functional element. Alternatively, certain elements may be split into multiple functional elements. Elements from one embodiment may be added to another embodiment. For example, order of processes described herein may be changed and are not limited to the manner described herein. Moreover, the actions of any flow diagram need not be implemented in the order shown; nor do all of the acts need to be necessarily performed. Also, those acts that are not dependent on other acts may be performed in parallel with the other acts. The scope of embodiments is by no means limited by these specific examples.

Claims

I CLAIM:

1. A locking system (100) for an elevator cabin door of a pneumatic vacuum elevator (200) comprising: characterized in that: a contact switch (102) positioned inside a guide rail pillar (213) on a landing floor cylinder of the pneumatic vacuum elevator (200), wherein the contact switch (102) is in contact with a door frame (112) when the door is closed, and the contact switch (102) is away from the door frame (112) when the door is at landing stage to ensure safe door locking, wherein the landing stage is when a door lock (104) is partially released; the door lock (104) engaged with the door frame (112), wherein the door lock (104) is adapted to be in contact with the contact switch (102), wherein the door lock (104) is completely locked in a moving condition; a wire rope (106) functionally connected with the contact switch (102), wherein the wire rope (106) is adapted to: receive a control signal from a controller (108) to activate the elevator cabin (220) in an upward direction for releasing the door lock (104) during the elevator cabin (220) landing and door open condition; and release the door lock (104) partially by activating the wire rope in an upward direction.

2. The locking system (100) as claimed in claim 1, wherein the contact switch (102) is positioned at the rear end of the elevator cabin facing towards the door frame, wherein the contact switch (102) is precluded in contact with the elevator cabin door frame.

3. The locking system (100) as claimed in claim 1, wherein the door lock (104) is in an ideal stage when the elevator cabin is landing, and the door is opened.

4. The locking system (100) as claimed in claim 1, wherein the wire rope (106) is deactivated during the moving condition of the elevator cabin.

5. The locking assembly (100) as claimed in claim 1, comprises a housing (168) adapted to accommodate a plurality of components of the contact switch (102).

6. A method (300) comprising: characterized in that: providing, a contact switch inside a guide rail pillar on a landing floor cylinder of the pneumatic vacuum elevator, wherein the contact switch is in contact with the door frame when the door is closed, and the contact switch is away from the door frame when the door is at landing stage to ensure safe door locking, wherein the landing stage is when the door lock is partially released; (302) providing, a door lock engaged with a door frame, wherein the door lock is adapted to be in contact with the contact switch, wherein the door lock is completely locked in a moving condition; (304) receiving, by a wire rope, a control signal from the controller to activate the elevator cabin in an upward direction for releasing the door lock during cabin landing and door open condition; (306) and releasing, by the wire rope, the door lock partially by activating the wire rope in an upward direction. (308)7. A pneumatic vacuum elevator (200) comprising: an external cylinder assembly (210) comprising an elevator cabin (220) inserted therein, wherein the external cylinder assembly (210) comprises a plurality of cylinders coupled using a base ring assembly (211) and a band ring assembly (212); a guide rail pillar (213) mechanically coupled to the elevator cabin (220), wherein the guide rail pillar (213) is disposed at the external cylinder assembly (210), wherein the guide rail pillar (213) is configured to guide an actuation of the elevator cabin (220);a locking system (100) for an elevator cabin door of a pneumatic vacuum elevator (220) comprising: a contact switch (102) positioned inside the guide rail pillar (213) on a landing floor cylinder of the pneumatic vacuum elevator, wherein the contact switch (102) is in contact with a door frame (112) when the door is closed, and the contact switch (102) is away from the door frame (112) when the door is at landing stage to ensure safe door locking, wherein the landing stage is when a door lock (104) is partially released; the door lock (104) engaged with the door frame (112), wherein the door lock (104) is adapted to be in contact with the contact switch (102), wherein the door lock (104) is completely locked in a moving condition; a wire rope (106) functionally connected with the contact switch (102), wherein the wire rope (106) is adapted to: receive a control signal from a controller (108) to activate the elevator cabin in an upward direction for releasing the door lock (104) during the elevator cabin landing and door open condition; and release the door lock (104) partially by activating the wire rope (106) in an upward direction; a polycarbonate sheet (214) configured to cover the external cylinder assembly (210), wherein the polycarbonate sheet (214) and the external cylinder assembly (210) is coupled using a first locking device and a second locking device, wherein the first locking device is configured to lock an air gap between the polycarbonate sheet (214), the base ring assembly (211) and the external cylinder assembly (210) and the second locking device is configured to lock air gap between the polycarbonate sheet (214) and the guide rail pillar (213);a seal assembly (215) adapted to fit over a top portion of the elevator cabin (220), wherein the seal assembly (215) is configured to seal the elevator cabin (220) to reduce vibrations during upward and downward movement of the elevator cabin (220), wherein the seal assembly (215) comprises a depressurizing system configured to prevent the elevator cabin from coming into force contact with the external cylinder assembly during upward movement and contribute to safety of an elevator operation; and an electronic control unit (225) located on top of the external cylinder assembly (210).

Citation Information

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