Landing door device and elevator

Abstract

The utility model provides a landing door device and an elevator. The landing door device comprises an upper ridge frame, a first door hanging plate, a second door hanging plate and an isolation piece. The upper ridge frame is connected with the isolation piece, so that a containing space is formed between the upper ridge frame and the isolation piece, and the first door hanging plate and the second door hanging plate are located in the containing space; the separator is provided with a conduction part; a door guide rail is arranged on the upper ridge frame, the first door hanging plate and the second door hanging plate are arranged on the door guide rail in a sliding mode, and a transmission device is arranged between the first door hanging plate and the second door hanging plate so that the first door hanging plate and the second door hanging plate can be in transmission connection. A landing door lock device is arranged between the upper ridge frame and the first door hanging plate, the landing door lock device has a first state and a second state, an unlocking part of the landing door lock device extends out of the conduction part and protrudes relative to the isolation piece, and the unlocking part is used for moving in the conduction part so that the landing door lock device can be switched between the first state and the second state. The cleaning state of the landing door device can be kept easily, and the cleaning frequency and the maintenance frequency are reduced.

Description

Technical Field

[0001] The present application relates to the technical field of elevators, and in particular to a landing door device and an elevator. Background Art

[0002] With the acceleration of urbanization, the number of high-rise office buildings and high-rise residential buildings has increased sharply, and elevators have become an indispensable equipment for the public's daily travel. Among them, elevator landing doors, as key components of elevators, play a key role in separating passengers from the shaft, ensuring that passengers can enter and exit smoothly when the elevator car arrives at the designated floor. However, in daily operation, the tiny gap between the landing door and the car door sill becomes a channel for dust to invade. This dust gradually accumulates in the door head area, posing a threat to the normal operation of the elevator.

[0003] To address this problem, the current common measure relies on the elevator maintenance team to regularly clean the elevator door structure. However, during frequent use, elevators will continue to accumulate dust. Even after maintenance, elevator operation will still be blocked due to dust accumulation. Utility Model Content

[0004] In order to overcome the defects of the above-mentioned prior art, the present application provides a landing door device and an elevator, and the specific technical solution is as follows:

[0005] A landing door device comprises an upper sill frame, a first door hanging plate, a second door hanging plate and an isolating member;

[0006] The upper sill frame is connected to the isolation member so that a storage space is formed between the upper sill frame and the isolation member, and the first door hanging plate and the second door hanging plate are located in the storage space; the isolation member is provided with a conducting part, and the conducting part is used to connect the storage space with the outside;

[0007] A door guide rail is arranged on the upper sill frame, the first door hanging plate and the second door hanging plate can be slidably arranged on the door guide rail, and a transmission device is arranged between the first door hanging plate and the second door hanging plate to make the first door hanging plate and the second door hanging plate transmission connected; a floor door lock device is arranged between the upper sill frame and the first door hanging plate, and the floor door lock device has a first state and a second state, an unlocking part of the floor door lock device extends out of the conducting part and protrudes relative to the isolation member, and the unlocking part is used to move in the conducting part to switch the floor door lock device between the first state and the second state.

[0008] In a specific embodiment, the upper crosspiece includes a body, a connecting portion, and a first mounting portion. The connecting portion is located between the body and the first mounting portion. The first mounting portion is arranged parallel to the body. A first detachable connection structure is provided between the door guide rail and the first mounting portion, so that the door guide rail is detachably arranged on the first mounting portion.

[0009] In a specific embodiment, first rolling members and second rolling members are provided on both the first door hanging plate and the second door hanging plate; the door guide rail includes a second mounting portion, a first acting portion, and a second acting portion. The first acting portion and the second acting portion are respectively arranged at two ends of the second mounting portion. The second mounting portion is arranged on the first mounting portion;

[0010] The first rolling member and the first acting portion are mutually engaged, and the second rolling member contacts the second acting portion; or, the first rolling member contacts the first acting portion, and the second rolling member and the second acting portion are mutually engaged; or, the first rolling member and the first acting portion are mutually engaged, and the second rolling member and the second acting portion are mutually engaged.

[0011] In a specific embodiment, an installation groove is formed between the first acting portion, the second acting portion, and the second mounting portion. The installation groove is located on a side of the door guide rail away from the first mounting portion;

[0012] The first detachable connection structure includes a fastener. One end of the fastener is located in the installation groove, and the other end sequentially passes through the second mounting portion and the first mounting portion to arrange the second mounting portion on the first mounting portion.

[0013] In a specific embodiment, one end of the fastener is located in the installation groove, and the other end sequentially passes through the second mounting portion, the first mounting portion, and the body to arrange the second mounting portion on the first mounting portion.

[0014] In a specific embodiment, an installation groove is formed between the first acting portion, the second acting portion, and the second mounting portion. The installation groove is located on a side of the door guide rail close to the first mounting portion, and the first mounting portion is located in the installation groove;

[0015] The height of the second mounting portion is greater than the height of the first mounting portion. The width of the first acting portion is less than or equal to the length of the connecting portion. The width of the second acting portion is less than or equal to the length of the connecting portion.

[0016] In a specific embodiment, a second detachable connection structure is provided between the upper crosspiece and the spacer, so that the spacer is detachably connected to the upper crosspiece.

[0017] In a specific embodiment, the door rail comprises a cold drawn rail.

[0018] In a specific embodiment, the isolation member includes one of a carbon steel plate, an aluminum alloy plate, an aluminum-magnesium alloy plate and a stainless steel plate.

[0019] An elevator comprises a landing door device.

[0020] This application has at least the following beneficial effects:

[0021] The present application discloses a floor door device and an elevator, the floor door device comprising an upper sill frame, a first door hanging plate, a second door hanging plate and an isolating member; the upper sill frame is connected to the isolating member so that a storage space is formed between the upper sill frame and the isolating member, and the first door hanging plate and the second door hanging plate are located in the storage space; the isolating member is provided with a conducting portion, and the conducting portion is used to connect the storage space with the outside world; a door guide rail is provided on the upper sill frame, and the first door hanging plate and the second door hanging plate can be slidably arranged on the door guide rail, and a transmission device is provided between the first door hanging plate and the second door hanging plate so that the first door hanging plate and the second door hanging plate are connected in a transmission manner; a floor door lock device is provided between the upper sill frame and the first door hanging plate, and the floor door lock device has a first state and a second state, an unlocking portion of the floor door lock device extends out of the conducting portion and protrudes relative to the isolating member, and the unlocking portion is used to move in the conducting portion so that the floor door lock device switches between the first state and the second state.

[0022] In the present application, the first door hanging plate, the second door hanging plate, the transmission device and the floor door lock device are arranged in the accommodating space formed between the upper sill frame and the isolation member through an isolation member, so that the first door hanging plate, the second door hanging plate, the transmission device and the floor door lock device are isolated from the outside world; at the same time, by arranging a conducting part on the isolation member, the unlocking part of the floor door lock device is extended through the conducting part, thereby ensuring the normal operation of the floor door lock device.

[0023] The present application enables the isolation component to minimize the intrusion of dust and debris into the accommodation space while ensuring the normal operation of the floor door locking device, thereby helping to keep the floor door device clean and in good working condition; at the same time, it helps to reduce the frequency of cleaning and maintenance, reducing cleaning costs and maintenance costs; and can prevent external objects from entering the accommodation space and colliding or rubbing against the first door hanging plate, the second door hanging plate, the transmission device or the floor door locking device, thereby affecting the normal operation of the floor door device, ensuring the stable operation of the elevator, and improving the stability and reliability of the floor door device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] To more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the accompanying drawings required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other accompanying drawings can be obtained based on these drawings.

[0025] Figure 1 Structural schematic of the landing door device provided in this embodiment Figure 1 ;

[0026] Figure 2 Structural schematic of the landing door device provided in this embodiment Figure 2 ;

[0027] Figure 3 is Figure 2 Schematic cross-sectional view taken along line A-A in

[0028] Figure 4 is Figure 3 Partial enlarged view of area A in

[0029] Figure 5 Structural schematic of the landing door device provided in this embodiment Figure 3 ;

[0030] Figure 6 Structural schematic of the landing door device provided in this embodiment Figure 4 ;

[0031] Figure 7 Structural schematic of the landing door device provided in this embodiment Figure 5 ;

[0032] Figure 8 Structural schematic of the landing door device provided in this embodiment Figure 6 .

[0033] Reference numerals:

[0034] 1 - upper sill frame; 2 - first door hanging plate; 3 - second door hanging plate; 4 - spacer; 5 - door guide rail; 6 - transmission device; 7 - landing door lock device; 8 - first rolling member; 9 - second rolling member; 41 - conduction part; 11 - body; 12 - connecting part; 13 - first mounting part; 14 - first detachable connection structure; 15 - second detachable connection structure; 51 - second mounting part; 52 - first acting part; 53 - second acting part; 54 - mounting groove; 71 - unlocking part; 141 - fastener. Detailed implementation manners

[0035] In the following, various embodiments of the present application will be described more fully. The present application may have various embodiments, and adjustments and changes may be made therein. However, it should be understood that there is no intention to limit the various embodiments of the present application to the specific embodiments disclosed herein, but the present application should be understood to cover all adjustments, equivalents, and / or alternative options falling within the spirit and scope of the various embodiments of the present application.

[0036] In the following, the term "comprising" or "may comprise" that may be used in various embodiments of the present application indicates the presence of the disclosed functions, operations, or elements, and does not limit the addition of one or more functions, operations, or elements. Further, as used in various embodiments of the present application, the terms "comprising", "having" and their cognates are only intended to represent a specific feature, number, step, operation, element, component, or combination of the foregoing items, and should not be construed as precluding the existence or addition of the possibility of one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing items.

[0037] In various embodiments of the present application, the expression "or" or "at least one of A or / and B" includes any combination or all combinations of the recited words. For example, the expression "A or B" or "at least one of A or / and B" may include A, may include B, or may include both A and B.

[0038] Expressions (such as "first", "second", etc.) used in various embodiments of the present application may modify various components in the various embodiments, but do not limit the corresponding components. For example, the above expressions do not limit the order and / or importance of the elements. The above expressions are only for the purpose of distinguishing one element from other elements. For example, the first user device and the second user device indicate different user devices, although both are user devices. For example, without departing from the scope of the various embodiments of the present application, the first element may be referred to as the second element, and similarly, the second element may also be referred to as the first element.

[0039] It should be noted that in the present application, unless otherwise clearly specified and defined, terms such as "install", "connect", "fix", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium; it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0040] In the present application, a person of ordinary skill in the art should understand that the terms indicating orientation or positional relationship herein are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0041] The terms used in the various embodiments of the application are only used to describe the purpose of specific embodiments and are not intended to limit the various embodiments of the application. As used herein, the singular form is intended to also include the plural form, unless the context clearly indicates otherwise. Unless otherwise limited, all terms used here (including technical terms and scientific terms) have the same meaning as the meanings commonly understood by ordinary technicians in the field of the various embodiments of the application. The terms (such as the terms defined in the dictionary generally used) will be interpreted as having the same meaning as the contextual meaning in the relevant technical field and will not be interpreted as having an idealized meaning or an overly formal meaning, unless clearly defined in the various embodiments of the application.

[0042] like Figures 1 to 8 As shown, this embodiment provides a landing door device, including an upper sill frame 1, a first door hanging plate 2, a second door hanging plate 3 and an isolation member 4;

[0043] The upper sill frame 1 is connected to the isolating member 4 so that a receiving space is formed between the upper sill frame 1 and the isolating member 4, and the first door hanging plate and the second door hanging plate are located in the receiving space; the isolating member 4 is provided with a conducting portion 41, and the conducting portion 41 is used to connect the receiving space with the outside;

[0044] A door guide rail 5 is arranged on the upper sill frame 1, and the first door hanging plate 2 and the second door hanging plate 3 are slidably arranged on the door guide rail 5. A transmission device 6 is arranged between the first door hanging plate 2 and the second door hanging plate 3 to make the first door hanging plate 2 and the second door hanging plate 3 transmission connected; a floor door lock device 7 is arranged between the upper sill frame 1 and the first door hanging plate 2, and the floor door lock device 7 has a first state and a second state. The unlocking part 71 of the floor door lock device 7 extends out of the conducting part 41 and protrudes relative to the isolation member 4, and the unlocking part 71 is used to move in the conducting part 41 to switch the floor door lock device 7 between the first state and the second state.

[0045] In this embodiment, on the premise of ensuring the normal operation of the layer door lock device 7, the spacer 4 minimizes the intrusion of dust and debris into the accommodation space, helps to maintain the cleanliness of the layer door device, and keeps the layer door device in good working condition; at the same time, it helps to reduce the cleaning frequency and maintenance frequency, and reduces the cleaning cost and maintenance cost; and it can prevent external objects from entering the accommodation space and colliding or rubbing against the first door hanging plate, the second door hanging plate, the transmission device 6 or the layer door lock device 7, affecting the normal operation of the layer door device, ensuring the stable operation of the elevator, and improving the stability and reliability of the layer door device.

[0046] Specifically, the first state is the locked state, and the second state is the unlocked state. The unlocking part 71 is used to move within the conducting part 41 under the action of an external force, so that the layer door lock device 7 switches from the first state (locked state) to the second state (unlocked state); it is also used to move within the conducting part 41 when the external force disappears, so that the layer door lock device 7 switches from the second state (unlocked state) to the first state (locked state).

[0047] Specifically, the transmission device 6 is a linkage wire rope device.

[0048] As Figure 1 shown, in one embodiment, the door guide rail 5 includes a cold-drawn guide rail.

[0049] As Figure 1 shown, in one embodiment, the spacer 4 includes one of a carbon steel plate, an aluminum alloy plate, an aluminum-magnesium alloy plate, and a stainless steel plate.

[0050] As Figures 1 to 4 shown, in one embodiment, the upper sill frame 1 includes a body 11, a connecting part 12, and a first mounting part 13. The connecting part 12 is located between the body 11 and the first mounting part 13. The first mounting part 13 is arranged parallel to the body 11. A first detachable connection structure 14 is arranged between the door guide rail 5 and the first mounting part 13, so that the door guide rail 5 is detachably arranged on the first mounting part 13.

[0051] In this embodiment, by bending the upper sill frame 1 to form the first mounting part 13 arranged parallel to the body 11, the structural strength and rigidity of the upper sill frame 1 can be increased. At the same time, a stable support platform is provided for the door guide rail 5, reducing deformation and displacement caused by long-term use or external forces. Moreover, the first mounting part 13 provides a clear reference benchmark for the installation of the door guide rail 5. Installers only need to align and fix the door guide rail 5 with the first mounting part 13, without complex adjustment and calibration work, making the installation of the door guide rail 5 simple and fast. In addition, the setting of the first mounting part 13 makes the disassembly and installation of the door guide rail 5 easy, facilitating adjustments such as cleaning, lubrication, maintenance, and replacement of the door guide rail 5, greatly saving maintenance time and cost.

[0052] As Figure 4 shown, in one embodiment, first rolling members 8 and second rolling members 9 are provided on both the first door hanging plate 2 and the second door hanging plate 3, and the height of the first rolling members 8 relative to the ground is different from the height of the second rolling members 9 relative to the ground; the door guide rail 5 is located between the first rolling members 8 and the second rolling members 9, and the door guide rail 5 includes a second mounting portion 51, a first acting portion 52 and a second acting portion 53. The first acting portion 52 and the second acting portion 53 are respectively arranged at both ends of the second mounting portion 51, and the second mounting portion 51 is arranged on the first mounting portion 13, wherein the first acting portion 52 is close to the first rolling member 8 and contacts the first rolling member 8, and the second acting portion 53 is close to the second rolling member 9 and contacts the second rolling member 9.

[0053] In this embodiment, by providing first rolling members 8 and second rolling members 9 on both the first door hanging plate 2 and the second door hanging plate 3, the first door hanging plate 2 and the second door hanging plate 3 are in stable contact with the door guide rail 5 through the first rolling members 8 and the second rolling members 9, preventing the first door hanging plate 2 and the second door hanging plate 3 from detaching from the door guide rail 5, and improving the stability and reliability of the landing door device. At the same time, in the form of rolling members, the friction generated when the first door hanging plate 2 and the second door hanging plate 3 move is reduced.

[0054] As Figure 4 shown, in one embodiment, the first rolling member 8 and the first acting portion 52 are mutually engaged, and the second rolling member 9 contacts the second acting portion 53. This embodiment further increases the stability of the contact between the first rolling member 8 and the first acting portion 52, preventing the first door hanging plate 2 and the second door hanging plate 3 from detaching from the door guide rail 5, and improving the stability and reliability of the landing door device.

[0055] In one embodiment, the first rolling member 8 contacts the first acting portion 52, and the second rolling member 9 and the second acting portion 53 are mutually engaged. This embodiment further increases the stability of the contact between the second rolling member 9 and the second acting portion 53, preventing the first door hanging plate 2 and the second door hanging plate 3 from detaching from the door guide rail 5, and improving the stability and reliability of the landing door device.

[0056] In one embodiment, the first rolling member 8 and the first acting portion 52 are mutually engaged, and the second rolling member 9 and the second acting portion 53 are mutually engaged. This embodiment further increases the stability of the contact between the first rolling member 8 and the first acting portion 52, and between the second rolling member 9 and the second acting portion 53, preventing the first door hanging plate 2 and the second door hanging plate 3 from detaching from the door guide rail 5, and improving the stability and reliability of the landing door device.

[0057] As Figure 4As shown, in one embodiment, an installation groove 54 is formed between the first acting portion 52, the second acting portion 53 and the second installation portion 51. The installation groove 54 is located on the side of the door guide rail 5 away from the first installation portion 13. The first detachable connection structure 14 includes a fastener 141. One end of the fastener 141 is located in the installation groove 54, and the other end sequentially passes through the second installation portion 51 and the first installation portion 13 to set the second installation portion 51 on the first installation portion 13.

[0058] In this embodiment, by forming the installation groove 54 on the side of the door guide rail 5 away from the first installation portion 13, the end portion of the fastener 141 is received in the installation groove 54, avoiding the end portion of the fastener 141 being exposed to interfere with the first door hanging plate 2 and the second door hanging plate 3, which helps to improve the stability of the landing door device.

[0059] As Figure 4 shown, in one embodiment, one end of the fastener 141 is located in the installation groove 54, and the other end sequentially passes through the second installation portion 51, the first installation portion 13 and the body 11 to set the second installation portion 51 on the first installation portion 13. In this embodiment, one end portion of the fastener 141 passes through the first installation portion 13 and is fixed on the body 11, enhancing the structural strength of the combination, reducing the deformation of the first installation portion 13 caused by long-term use or external force, and helping to improve the stability of the landing door device.

[0060] As Figure 7 shown, in one embodiment, an installation groove 54 is formed between the first acting portion 52, the second acting portion 53 and the second installation portion 51. The installation groove 54 is located on the side of the door guide rail 5 close to the first installation portion 13, and the first installation portion 13 is located in the installation groove 54. The first detachable connection structure 14 includes a fastener 141. One end of the fastener 141 is located in the installation groove 54, and the other end sequentially passes through the second installation portion 51 to set the second installation portion 51 on the first installation portion 13.

[0061] Wherein, the height of the second installation portion 51 is greater than the height of the first installation portion 13, the width of the first acting portion 52 is less than or equal to the length of the connecting portion 12, and the width of the second acting portion 53 is less than or equal to the length of the connecting portion 12.

[0062] In this embodiment, by forming the installation groove 54 on the side of the door guide rail 5 close to the first installation portion 13 to receive the first installation portion 13 in the installation groove 54, the utilization rate of space is improved, which helps to reduce the floor space occupied by the landing door device.

[0063] As Figure 3 and Figure 8As shown, in one embodiment, a second detachable connection structure 15 is provided between the upper sill frame 1 and the spacer 4, so that the spacer 4 is detachably connected to the upper sill frame 1. This embodiment enables the spacer 4 to be detachably arranged on the upper sill frame 1, making it easy to disassemble and assemble the spacer 4 and facilitating the later maintenance of the landing door device.

[0064] In one embodiment, the number of the second detachable connection structures 15 is more than two.

[0065] In one embodiment, the second detachable connection structure 15 is a plug-in connection structure, a snap connection structure or a bolt connection structure, but is not limited thereto.

[0066] This embodiment also provides an elevator, including the landing door device described in any one of the above embodiments. This embodiment minimizes the intrusion of dust and sundries into the landing door device, helps to keep the landing door device clean and enables the landing door device to be in a good working state; at the same time, it helps to reduce the cleaning frequency and maintenance frequency, reducing the cleaning cost and maintenance cost; and it can prevent external objects from colliding with or rubbing against the landing door device, affecting the normal operation of the landing door device, ensuring the stable operation of the elevator and improving the stability and reliability of the landing door device.

[0067] Those skilled in the art can understand that the drawings are only schematic diagrams of a preferred embodiment scenario, and the modules or processes in the drawings are not necessarily essential for implementing the present application.

[0068] Those skilled in the art can understand that the modules in the device in the embodiment scenario can be distributed in the device in the embodiment scenario according to the description of the embodiment scenario, or can be correspondingly changed and located in one or more devices different from the present embodiment scenario. The modules in the above embodiment scenario can be combined into one module, or can be further split into multiple sub-modules.

[0069] The above serial numbers of the present application are only for description and do not represent the advantages or disadvantages of the embodiment scenario.

[0070] The above are only the preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included within the protection scope of the present application.

Claims

1. A landing door device, characterized in that: It includes an upper sill frame, a first door hanging plate, a second door hanging plate and a spacer; The upper sill frame is connected to the isolation member so that a storage space is formed between the upper sill frame and the isolation member, and the first door hanging plate and the second door hanging plate are located in the storage space; the isolation member is provided with a conducting part, and the conducting part is used to connect the storage space with the outside; A door guide rail is arranged on the upper sill frame, the first door hanging plate and the second door hanging plate can be slidably arranged on the door guide rail, and a transmission device is arranged between the first door hanging plate and the second door hanging plate to make the first door hanging plate and the second door hanging plate transmission connected; a floor door lock device is arranged between the upper sill frame and the first door hanging plate, and the floor door lock device has a first state and a second state, an unlocking part of the floor door lock device extends out of the conducting part and protrudes relative to the isolation member, and the unlocking part is used to move in the conducting part to switch the floor door lock device between the first state and the second state.

2. The landing door device according to claim 1, characterized in that: The upper sill frame includes a main body, a connecting part and a first mounting part, the connecting part is located between the main body and the first mounting part, the first mounting part is arranged parallel to the main body, and a first detachable connecting structure is arranged between the door guide rail and the first mounting part so that the door guide rail can be detachably arranged on the first mounting part.

3. The landing door device according to claim 2, characterized in that: The first door hanging plate and the second door hanging plate are both provided with a first rolling member and a second rolling member; the door guide rail comprises a second mounting portion, a first acting portion and a second acting portion, the first acting portion and the second acting portion are respectively arranged at two ends of the second mounting portion, and the second mounting portion is arranged on the first mounting portion; The first rolling member and the first acting part are mutually interlocked, and the second rolling member is in contact with the second acting part; or, the first rolling member is in contact with the first acting part, and the second rolling member and the second acting part are mutually interlocked; or, the first rolling member and the first acting part are mutually interlocked, and the second rolling member and the second acting part are mutually interlocked.

4. The landing door device according to claim 3, characterized in that: A mounting groove is formed between the first action portion, the second action portion and the second mounting portion, and the mounting groove is located on a side of the door guide rail away from the first mounting portion; The first detachable connection structure includes a fastener, one end of which is located in the mounting groove, and the other end of which passes through the second mounting portion and the first mounting portion in sequence, so as to set the second mounting portion on the first mounting portion.

5. The landing door device according to claim 4, characterized in that: One end of the fastener is located in the mounting groove, and the other end passes through the second mounting portion, the first mounting portion and the body in sequence, so as to set the second mounting portion on the first mounting portion.

6. The landing door device according to claim 3, characterized in that: A mounting groove is formed between the first action portion, the second action portion and the second mounting portion, the mounting groove is located on a side of the door guide rail close to the first mounting portion, and the first mounting portion is located in the mounting groove; The height of the second mounting portion is greater than that of the first mounting portion, the width of the first action portion is less than or equal to the length of the connecting portion, and the width of the second action portion is less than or equal to the length of the connecting portion.

7. The landing door device according to claim 1, characterized in that: A second detachable connection structure is provided between the upper ledge and the isolating member, so that the isolating member and the upper ledge are detachably connected.

8. The landing door device according to claim 1, characterized in that: The door guide rail comprises a cold drawn guide rail.

9. The landing door device according to claim 1, characterized in that: The isolation member includes one of a carbon steel plate, an aluminum alloy plate, an aluminum-magnesium alloy plate and a stainless steel plate.

10. An elevator, characterized in that: The invention comprises the landing door device as described in any one of claims 1 to 9.

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