elevator shaft

The shaft structure with a reversible staircase and switching mechanism addresses the issue of low space utilization in small staircase rooms by enabling seamless conversion between staircase and elevator space, enhancing overall space efficiency.

JP7893512B2Active Publication Date: 2026-07-22ZHEJIANG MEIES VILLA ELEVATOR MANUFACTURING CO LTD
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
ZHEJIANG MEIES VILLA ELEVATOR MANUFACTURING CO LTD
Filing Date
2024-01-10
Publication Date
2026-07-22

AI Technical Summary

Technical Problem

Existing return staircases cannot effectively switch between staircase space and elevator space, leading to low space utilization in small staircase rooms.

Method used

A shaft structure with a partially reversible staircase and a shaft switching mechanism, utilizing control motors and drive connection components to convert a staircase into an elevator operation space and back, maintaining stair functionality.

Benefits of technology

Enhances space utilization by allowing simultaneous use of stairs and elevator without affecting stair passage, improving overall space efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a shaft structure for installing an elevator in a stairwell, which aims to overcome the drawback of existing reversing stairwells, which are unable to switch between stairwell and elevator space, resulting in low space utilization. The invention comprises a shaft structure. The shaft structure includes a shaft frame, a partially reversible stairwell, and a shaft switching mechanism. The stairwell includes a fixed stairwell and a reversible stairwell. The shaft switching mechanism includes a plurality of control motors and drive connecting components, the control motors are installed on the fixed stairwell on each floor, the drive connecting components are installed between the fixed stairwell and the reversible stairwell, and the output shafts of the control motors are drivably connected to the drive connecting components. This allows for switching between the stairwell walking space and the elevator operating space, thereby realizing the dual use of the stairwell for both stairwell walking and elevator operation, and effectively improving the space utilization of the stairwell.
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Description

Technical Field

[0001] The present invention relates to the technical field of elevator shafts, and more specifically, to a shaft structure for installing an elevator in a staircase room.

Background Art

[0002] In the case of a small staircase room, especially a return staircase, in order to effectively consider the current elevator market, not only traffic requirements need to be met, but also the arrangement and installation of the elevator are required.

[0003] The present invention provides a shaft structure capable of installing an elevator in a staircase room, and this solution realizes a shaft structure that can be switched from a staircase passage space to an elevator operation space by means of a one-way staircase, effectively improving the space utilization of the staircase room.

Summary of the Invention

Problems to be Solved by the Invention

[0004] [[ID=2,6]]The present invention overcomes the drawback that the existing return staircase cannot realize the switching and utilization of the staircase space and the elevator space, and the space utilization rate is low, and provides a shaft structure for installing an elevator in a staircase room. By realizing the switching between the staircase walking space and the elevator operation space, the combined use of staircase walking and elevator operation in the staircase room is realized, and the space utilization rate of the staircase room is effectively improved.

Means for Solving the Problems

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions. '' A shaft structure for installing an elevator in a staircase room, comprising a shaft structure that can be switched from a staircase walking space to an elevator operation space, The shaft structure includes a shaft frame, a staircase structure that can be partially reversed, and a shaft switching mechanism. The shaft frame comprises multiple vertical and horizontal support beams positioned between the bottom and top of the stairwell. The staircase structure is provided between the shaft frames on each floor of the stairwell, and it comprises a fixed staircase structure and a reversible staircase structure. The shaft switching mechanism comprises multiple control motors and drive connection components. The control motors are installed in the fixed staircase structure on each floor, and the drive connection components are installed between the fixed staircase structure and the reversible staircase structure. The output shafts of the control motors are drivably connected to the drive connection components.

[0006] In a specific embodiment, when it is necessary to use an elevator within the shaft space, the shaft switching mechanism must be activated. First, multiple control motors are activated synchronously. The activation of the control motors drives the connected drive connection components. The rotation of the drive connection components inverts the reversible stair structure, causing the stair structure to form a vertical connection channel. The reversible stair structure acts as a rear protective baffle for the shaft structure, thereby allowing the shaft to be used as an elevator for passenger transport. When it is necessary to use the stair space, the reversible stair structure is reset to its initial position, at which point the stairwell can be used as a normal stair passage. The present invention significantly improves space utilization by installing an elevator in the space within the stairwell without affecting the stair passage function.

[0007] Preferably, the drive connection component comprises a rotating shaft 1 installed in a fixed staircase structure, a plurality of rotating parts, and a rotating shaft 2 installed in a reversible staircase structure, with the output shaft of the control motor fixedly connected to the rotating shaft 1, and the rotating parts installed between the rotating shaft 1 and the rotating shaft 2.

[0008] The control motor is fixedly mounted to the side wall of the fixed staircase structure, and a rotating shaft 1 is fixedly mounted to the output shaft of the control motor, which is rotatably connected to the fixed staircase structure, and a rotating shaft 2 is rotatably connected to the reversible staircase structure. There are two rotating parts, which are used to connect the ends of rotating shafts 1 and 2, respectively.

[0009] When the control motor is activated, it rotates the rotating shaft 1, which in turn rotates two rotating parts, which in turn rotates the rotating shaft 2, and the rotation of the rotating shaft 2 causes the connected reversible staircase structure to invert on the fixed staircase structure as its base.

[0010] Preferably, the shaft structure is installed on a step staircase, one end of the fixed staircase structure is fixedly connected to the tread staircase platform, and the other end of the fixed staircase structure is rotatably connected to the reversible staircase structure. The staircase consists of continuous treads, landings, handrail posts, etc., and the staircase structure, by modifying the step portion, forms a normal walking staircase and a part of the rear side wall baffle of the shaft that can be reversed vertically for safety protection.

[0011] Preferably, the shaft structure is installed on the landing, the fixed staircase structure is the main structure of the landing, and the reversible staircase structure is a rectangular reversal plate cut out from the landing, with the rectangular reversal plate and the main structure rotatably connected. The staircase structure can be realized for normal use by modifying the landing, and can also be reversed vertically to form part of the rear side wall baffle of the shaft for safety protection.

[0012] Preferably, a partition reversal mechanism is provided on the lower side of the fixed staircase structure, comprising a drive motor 1 and a reversal plate installed on the drive motor 1. The drive motor 1 is fixedly installed on the side of the fixed staircase structure closer to the reversible staircase structure, and a drive rotation shaft is fixedly installed on the output shaft of the drive motor 1, and the drive rotation shaft is fixedly connected to the reversal plate. When it is necessary to switch the staircase space to a shaft space for elevator installation, the drive motor 1 is activated, the rotation of the drive motor 1 rotates the drive rotation shaft, and the rotation of the drive rotation shaft rotates the reversal plate, which, in combination with the lower reversible staircase structure, can form a rear baffle of the shaft frame on the corresponding floor for safety protection.

[0013] Preferably, the shaft frame also comprises a first horizontal connecting beam and a second horizontal connecting beam, with a landing door assembly provided between the first and second horizontal connecting beams, the landing door assembly comprising a door frame, two landing doors provided within the door frame, and a door closer provided between the door frame and the landing doors. The vertical support beams on the same side are fixedly connected by a plurality of first horizontal connecting beams, and a second and third horizontal connecting beam are installed between the two vertical support beams on the side facing the landing between the same floors, the second and third horizontal connecting beams functioning as upper and lower support members of the landing door assembly, respectively.

[0014] Preferably, a first reversible tread mechanism is provided at the other end of the reversible staircase structure, which is separated from the fixed staircase structure. The first reversible tread mechanism comprises a drive motor 2, a first reversible tread, and a plurality of tread connectors. The tread connectors are provided between the reversible staircase structure and the first reversible tread, and the output shaft of the drive motor 2 is connected to the tread connectors.

[0015] Preferably, limiting grooves are provided within the walls on both sides of the reversible tread. These limiting grooves restrict the rotation angle of the tread connector, thereby allowing control of the position of the reversible tread.

[0016] Preferably, a bracket capable of attaching both the car guide rail and the counterweight is provided on one side of the shaft frame. A guide rail bracket is also provided between the vertical support beam and the car guide rail.

Advantages of the Invention

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows. The shaft structure can achieve switching between the staircase space and the shaft space for elevator installation by means of a partially reversible staircase structure on the same side, thereby enabling the installation of an elevator in the staircase room space without affecting the function of walking on the stairs, and greatly improving the space utilization rate.

Brief Description of the Drawings

[0018] [Figure 1] It is a schematic structural view of the shaft structure for installing an elevator in the staircase room in the present invention. [Figure 2] It is a schematic structural view of the shaft structure of the upward staircase in the present invention. [Figure 3] It is a schematic structural view of the shaft structure of the downward staircase in the present invention. [Figure 4] It is a schematic structural view of the shaft structure in the dance hall of the present invention. [Figure 5] It is a schematic structural view of the staircase structure of the downward staircase in the present invention. [Figure 6] It is a schematic structural view of the state 1 of the reversible staircase structure of the present invention. [Figure 7] It is a schematic structural view of the state 1 of the reversible staircase structure of the present invention. [Figure 8] It is the dance hall in the schematic structural view of the staircase structure of the upward staircase of the present invention. [Figure 9] It is a schematic structural view of the shaft frame of the present invention.

Modes for Carrying Out the Invention

[0019] Hereinafter, the technical solution of the present invention will be described in more detail in conjunction with the accompanying drawings by way of specific embodiments. Embodiment 1 As shown in FIGS. 1-9, it is a shaft structure for installing an elevator in a staircase room, and includes a shaft structure 100 that can be switched from a staircase walking space to an elevator operation space. The shaft structure 100 includes a shaft frame 101, a staircase structure 200 that can be partially reversed, and a shaft switching mechanism 300. The shaft frame 101 includes a plurality of vertical support beams 102 and horizontal support beams arranged between the bottom and the top of the staircase room. The staircase structure 200 is provided between the shaft frames 101 on each floor of the staircase room, and it includes a fixed staircase structure 201 and a reversible staircase structure 202. The shaft switching mechanism 300 includes a plurality of control motors 301 and drive connection components 302. The control motors 301 are installed on the fixed staircase structure 201 of each floor, the drive connection components 302 are installed between the fixed staircase structure 201 and the reversible staircase structure 202, and the output shaft of the control motor 301 is drivingly connected to the drive connection component 302.

[0020] The horizontal support beams include a first horizontal connecting beam 103, a second horizontal connecting beam 104, and a third horizontal connecting beam 105. A landing door assembly 400 is provided in the corresponding landing lobby on each floor. The first horizontal connecting beam 103 and the second horizontal connecting beam 104 are support connectors provided above and below the landing door assembly 400. The ends of the first horizontal connecting beam 103 and the second horizontal connecting beam 104 are fixedly connected to the vertical support beams 102 on both sides, where there are a total of four vertical support beams 102, two on each side of the stairs on the same side of the return staircase. The third horizontal connecting beam 105 is installed on top of the two vertical support beams 102 on the same side to increase the connection strength. Upper mounting brackets 107 are attached to the top of the four vertical support beams 102, and an elevator structure can be installed between the four vertical support beams 102. A counterweight bracket 109 is provided on one side of the shaft frame, to which both the car guide rail 108 and the counterweight can be attached, and a guide rail bracket 110 is also provided between the vertical support beam 102 and the car guide rail 108.

[0021] The drive connection component 302 comprises a rotating shaft 1 (303) installed on the fixed staircase structure 201, a plurality of rotating parts 304, and a rotating shaft 2 (305) installed on the reversible staircase structure 202. The output shaft of the control motor 301 is fixedly connected to the rotating shaft 1 (303), and the rotating parts 304 are installed between the rotating shaft 1 (303) and the rotating shaft 2 (305). The control motor 301 is fixedly mounted on the side wall of the fixed staircase structure 201, and the output shaft of the control motor 301 is fixedly mounted to the rotating shaft 1 (303), which is rotatably connected to the fixed staircase structure 201, and the rotating shaft 2 (305) is rotatably connected to the reversible staircase structure 202. There are two rotating parts 304, which are used to connect the ends of the rotating shaft 1 (303) and the rotating shaft 2 (305), respectively.

[0022] When the control motor 301 is started, it rotates the rotating shaft 1 (303), the rotation of the rotating shaft 1 (303) rotates the two rotating parts 304, the rotation of the rotating parts 304 rotates the rotating shaft 2 (305), and the rotation of the rotating shaft 2 (305) causes the reversible staircase structure 202 connected to it to rotate on the fixed staircase structure 201 as its base.

[0023] If an elevator is installed and becomes the sole means of entering and exiting the building, A) If the fire alarm is activated (the elevator does not operate and only the stairs are used as a passageway), the fire button is pressed, the elevator car automatically moves to the confirmation position, the reversible staircase structure 202 on each floor is activated, and when the reversible staircase structure 202 touches the position switches, the door lock of the landing door assembly is permanently locked, making it possible to manually push the door outwards, while the door closer keeps the door closed, allowing entry and exit via the stairs.

[0024] B) In the event of a power outage, the elevator's battery will activate to supply power.

[0025] C) If the elevator malfunctions and it is not possible to restore normal operation within a short time, the manual brake release can be activated on the first floor, and the difference in weight between the car and the counterweight can be used to raise the elevator to the top floor, creating space for the stairs to reverse.

[0026] Specific Embodiments The shaft structure 100 of the present invention can achieve switching between a stair space and a shaft space for elevator installation by a partially reversible stair structure 200 located on the same side. When it is necessary to use an elevator in the shaft space, the shaft switching mechanism 300 must be activated. First, multiple control motors 301 are activated synchronously. The activation of the control motors 301 drives the rotating shaft 1 (303). The rotation of the rotating shaft 1 (303) rotates two rotating parts 304. The rotation of the rotating parts 304 reverses the rotating shaft 2 (305). The rotation of the rotating shaft 2 (305) reverses the reversible stair structure 202 connected to it, using the fixed stair structure 201 as a base. This causes the stair structure 200 to form a vertical connection channel. The reversible stair structure 202 functions as a rear protective baffle for the shaft structure 100, thereby allowing the shaft to be used for an elevator to lift passengers. When it is necessary to use the stair space, the reversible stair structure 202 is reset to its initial position, at which point the stairwell can be used as a normal stair passage. This invention significantly improves space utilization by installing an elevator in the stairwell without affecting the traversal function of the stairs.

[0027] Specific Example 2 As shown in Figures 1-3 and 5-8, this embodiment further restricts the staircase structure in the specific embodiment 1, with a shaft structure 100 provided on the step staircase, and the shaft structure 100 is divided into a staircase structure for ascending stairs and a staircase structure for descending stairs, and the landing lobby consists of a floor platform 107 and a landing 106. For the staircase structure for ascending stairs, one end of a fixed staircase structure 201 is fixedly connected to the floor platform, and a reversible staircase structure 202 is rotatably connected to the other end of the fixed staircase structure 201, and the staircase structure for ascending stairs reverses the drive connection component 302 by the control motor in embodiment 1. As shown in Figure 8, it is also possible to use the following drive method: Two motor mounting brackets 306 are fixed to the fixed staircase structure, a linear motor 307 is provided on the elevator mounting bracket, a telescopic rod assembly is attached to the output shaft of the linear motor 307, the telescopic rod assembly 308 comprises a telescopic sleeve 308 and a telescopic rod 309 slidably attached to the telescopic sleeve 308, the end of the telescopic rod 309 is slidably connected to a waist hole provided in the middle of the rotating part 304, and when it is necessary to reverse the reversible staircase structure 202 of the ascending staircase, first the linear motor 307 is started, and the rotation of the linear motor 307 causes the telescopic rod 309 inside the telescopic sleeve 308 to move linearly in an extension and retraction motion, thereby driving the reversible staircase structure 202 to reverse based on the rotating shaft 303 on the fixed staircase structure 201. Regarding the staircase structure for the descending staircase, one end of the fixed staircase structure 201 is fixedly connected to the landing 106, and the other end of the fixed staircase structure 201 is rotatably connected to the reversible staircase structure 202. The staircase structure 201 for the descending staircase can be reversed by the control motor in Embodiment 1 to reverse the drive connection component 302, and at the same time, it can be replaced with the drive structure driven by the linear motor 307 of the ascending staircase, which is used for reversal control of the reversible staircase structure 202 in the staircase structure. The staircase consists of continuous treads, a landing 106, a handrail column, etc., and the staircase structure is an improvement on a step staircase to form a normal walking staircase and a part of the rear side wall baffle of the shaft that can be reversed vertically for safety protection.

[0028] Specific Example 3 As shown in Figure 4, this embodiment further restricts the staircase structure in specific embodiment 1, with a shaft structure 100 installed on a landing 106, a fixed staircase structure 201 being the main structure of the landing 106, and a reversible staircase structure 202 being a rectangular reversal plate 203 cut out from the landing 106, with the rectangular reversal plate and the main structure rotatably connected, a drive motor 3 (204) fixed to the landing 106, and the rectangular reversal plate 203 fixed to the output shaft of the drive motor 3 (204). The staircase structure can be realized for normal use by modifying the platform portion, and can also be reversed vertically to form part of the rear side wall baffle of the shaft for safety protection.

[0029] Specific Example 4 As shown in Figures 1, 3, 5, 6, and 7, this embodiment is based on specific embodiment 1 with the addition of a partition reversal mechanism 500. The partition reversal mechanism 500 is provided on the underside of the fixed staircase structure and comprises a motor mount 501, a drive motor 1 (502) provided on the motor mount 501, and a reversal plate 503 provided on the drive motor 1 (502). The reversal plate 503 is installed parallel to the underside of the step staircase when not in use. The drive motor 1 (502) is fixedly installed on the side of the fixed staircase structure 201 on the side closer to the reversible staircase structure 202. A drive rotary shaft 504 is fixedly installed on the output shaft of the drive motor 1 (502), and the drive rotary shaft 504 is fixedly connected to the reversing plate 503. When it is necessary to switch the staircase space to a shaft space for elevator installation, the drive motor 1 (502) is activated, and the rotation of the drive motor 1 (502) rotates the drive rotary shaft 504, which in turn rotates the reversing plate 503. This can be combined with the lower reversible staircase structure 201 to form a rear baffle of the corresponding shaft frame 101 within the floor for safety protection.

[0030] Specific Example 5 As shown in Figures 1-6, the shaft frame 101 also includes a first horizontal connecting beam 103, a second horizontal connecting beam 104, and a third horizontal connecting beam 105. The vertical support beams 102 on the same side are fixedly connected by a plurality of first horizontal connecting beams 103, and the second horizontal connecting beam 104 and the third horizontal connecting beam 105 are installed between the two vertical support beams 202 on the side facing the landing 106 between the same floors, with the second horizontal connecting beam 104 and the third horizontal connecting beam 105 functioning as upper and lower support members of the landing door assembly 400, respectively. The landing door assembly 400 includes a door frame 401, two landing doors 402 provided within the door frame 401, and a door closer 403 provided between the door frame 401 and the landing doors 402. With respect to the door closer 403 on the landing doors 402, when the door is opened, the door is automatically closed by the compression and release of a hydraulic device. The hydraulic system is similar to that of a spring door, ensuring that the door closes precisely and quickly to its initial position after being opened.

[0031] Specific Example 6 As shown in Figures 1-6, a first reversible step mechanism 600 is provided on the other end of the reversible staircase structure 202, which is separated from the fixed staircase structure 201. The first reversible step mechanism 600 comprises a drive motor 2 (601), a first reversible step 602, and a plurality of step connectors 603. The step connectors 603 are provided between the reversible staircase structure 202 and the first reversible step 602, and the output shaft of the drive motor 2 (601) is connected to the step connectors 603. Restriction grooves 604 are provided in the walls on both sides of the reversible step 202. These restriction grooves 604 limit the rotation angle of the step connectors, thereby controlling the position of the reversible step 202. The difference between the ascending and descending stairs is that the first reversible step mechanism 600 is attached only to the end step of the reversible staircase structure 202 of the descending stairs.

[0032] When it is necessary to use the elevator within the shaft space, the shaft switching mechanism 300 must be activated. First, multiple control motors 301 are activated synchronously. The activation of the control motors 301 rotates the rotating shaft 1 (303). The rotation of the rotating shaft 1 (303) rotates two rotating parts 304. The rotation of the rotating parts 304 rotates the rotating shaft 2 (305). The rotation of the rotating shaft 2 (305) inverts the reversible staircase structure 202 connected to it based on the fixed staircase structure 201, thereby forming a vertical connection channel for the staircase structure 200. The reversible staircase structure 202 functions as a rear protective baffle for the shaft structure 100. When the reversible staircase structure 202 is reversed, the first reversible tread mechanism 600 is activated, i.e., the drive motor 2 (601) is started, which rotates one of the two tread connectors 603, causing the rotating one to contact the upper wall of the limiting groove 604. The rotation of the tread connector 603 rotates the first reversible tread 602 to its upper limit position, reversing the first reversible tread 602 by a small angle to avoid protective interference with the reversible staircase structure 202. When the stair space needs to be used, the reversible stair structure 202 is reset to its initial position, at which point the first reversible tread mechanism 600 is activated, i.e., the drive motor 2 (601) is started, and the drive motor 2 (601) rotates one of the two tread connectors 603, with the rotating one contacting the lower wall of the limiting groove 604. The rotation of the tread connector 603 rotates the first reversible tread 602 to its lower limit position, and the first reversible tread 602 is used as a connecting tread between the floor platform 107 and the reversible stair structure 202 in the stair structure 200, and the stairwell can be used as a normal stair passageway.

[0033] The above embodiments are merely preferred solutions of the present invention and are not intended to limit the invention in any way. Other modifications and alterations are possible, provided they do not exceed the technical solutions described in the claims.

[0034] (Note) (Note 1) A shaft structure for installing an elevator in a stairwell, It features a shaft structure that can be switched from a stairwell walking space to an elevator operating space. The shaft structure comprises a shaft frame, a partially reversible stepped structure, and a shaft switching mechanism. The shaft frame comprises multiple vertical and horizontal support beams positioned between the bottom and top of the stairwell. The staircase structure is provided between the shaft frames on each floor of the stairwell, and it comprises a fixed staircase structure and a reversible staircase structure. The shaft switching mechanism comprises multiple control motors and drive connection components. The control motors are installed in the fixed staircase structure on each floor, the drive connection components are installed between the fixed staircase structure and the reversible staircase structure, and the output shafts of the control motors are drivably connected to the drive connection components. A shaft structure for installing an elevator in a stairwell, characterized by the following features.

[0035] (Note 2) The drive connection component comprises a rotating shaft 1 installed in a fixed staircase structure, multiple rotating parts, and a rotating shaft 2 installed in a reversible staircase structure. The output shaft of the control motor is fixedly connected to the rotating shaft 1, and the rotating parts are installed between the rotating shaft 1 and the rotating shaft 2. A shaft structure for installing an elevator in a stairwell as described in Appendix 1, characterized by the features described above.

[0036] (Note 3) A shaft structure is installed on a step staircase, one end of a fixed staircase structure is fixedly connected to a tread staircase platform, and a reversible staircase structure is rotatably connected to the other end of the fixed staircase structure. A shaft structure for installing an elevator in a stairwell as described in Appendix 1 or 2, characterized by the features described above.

[0037] (Note 4) A shaft structure is installed on the landing, a fixed staircase structure is the main structure of the landing, and a reversible staircase structure is a rectangular reversible plate cut out from the landing, with the rectangular reversible plate and the main structure being rotatably connected. A shaft structure for installing an elevator in a stairwell as described in Appendix 1, characterized by the features described above.

[0038] (Note 5) A partition reversal mechanism is provided on the lower side of the fixed staircase structure, which comprises a drive motor 1 and a reversal plate installed on the drive motor 1. A shaft structure for installing an elevator in a stairwell as described in Appendix 3, characterized by the features described above.

[0039] (Note 6) The horizontal connecting beam also comprises a first horizontal connecting beam and a second horizontal connecting beam, and a landing door assembly is provided between the first and second horizontal connecting beams, the landing door assembly comprising a door frame, two landing doors provided within the door frame, and a door closer provided between the door frame and the landing doors. A shaft structure for installing an elevator in a stairwell as described in Appendix 4 or 5, characterized by the features described above.

[0040] (Note 7) A first reversible tread mechanism is provided at the other end of the reversible staircase structure, which is separated from the fixed staircase structure. The first reversible tread mechanism comprises a drive motor 2, a first reversible tread, and a plurality of tread connectors. The tread connectors are provided between the reversible staircase structure and the first reversible tread, and the output shaft of the drive motor 2 is connected to the tread connectors. A shaft structure for installing an elevator in a stairwell as described in Appendix 6, characterized by the features described above.

[0041] (Note 8) Restrictive grooves are provided within the walls on both sides of the reversible step. A shaft structure for installing an elevator in a stairwell as described in Appendix 7, characterized by the features described in Appendix 7.

[0042] (Note 9) One side of the shaft frame is provided with a bracket that can accommodate both the cage guide rail and the counterweight. A shaft structure for installing an elevator in a stairwell as described in Appendix 1, characterized by the features described above. [Explanation of Symbols]

[0043] In the diagram, 100-Shaft structure, 101-Shaft frame, 102-Vertical support beam, 103-First horizontal connecting beam, 104-Second horizontal connecting beam, 105-Third horizontal connecting beam, 106-Landing, 107-Floor platform, 108-Cage guide rail, 109-Counterweight bracket, 110-Guide rail bracket, 200-Staircase structure, 300-Shaft switching mechanism, 201-Fixed staircase structure, 202-Reversible staircase structure, 203-Rectangular reversal plate, 204-Drive motor 3, 301-Control motor, 302-Drive connection component Line, 303-rotating shaft 1, 304-rotating parts, 305-rotating shaft 2, 306-motor mounting bracket, 307-linear motor, 308-telescopic sleeve, 309-telescopic rod, 400-landing door assembly, 401-door frame, 402-landing door, 403-door closer, 500-partition reversing mechanism, 501-motor mount, 502-drive motor 1, 503-reversing plate, 504-drive rotating shaft, 600-first reversible tread mechanism, 601-drive motor 2, 602-first reversible tread, 603-tread connector, 604-limiting groove.

Claims

1. An elevator shaft installed in a stairwell equipped with a fixed staircase, wherein its internal space is made available as part of the stairwell, Shaft frame and A reversible staircase that enters and exits the space inside the shaft frame, The reversible stairs are provided with a shaft switching mechanism that moves them in and out of the space inside the shaft frame, The shaft frame comprises vertical support beams positioned at each of the four corners of the planar shape of the shaft frame, and horizontal support beams stretched between the vertical support beams. The shaft switching mechanism comprises a plurality of control motors and a drive connection component, the control motors are installed on the fixed stairs, the drive connection component is installed between the fixed stairs and the reversible stairs, and the output shafts of the control motors are drivably connected to the drive connection component. The drive connection component comprises a rotating shaft 1 installed on the fixed stairs, a plurality of rotating parts, and a rotating shaft 2 installed on the reversible stairs, the output shaft of the control motor is fixedly connected to the rotating shaft 1, the rotating parts are installed between the rotating shaft 1 and the rotating shaft 2, and by rotating the control motor, the rotating parts are rotated around the rotating shaft 1, and by rotating the rotating parts around the rotating shaft 1, the rotating shaft 2 is rotated around the rotating shaft 1, causing the reversible stairs to swing relative to the fixed stairs. Elevator shaft.

2. It is installed in a stairwell equipped with a step staircase, One end of the fixed staircase is fixedly connected to a tread staircase platform, and the other end of the fixed staircase is rotatably connected to the reversible staircase. The elevator shaft according to feature 1.

3. A bracket is provided on one side of the shaft frame to which both the cage guide rail and the counterweight can be attached. The elevator shaft according to feature 1.