Low-noise elevator car structure
By designing a linkage structure in the elevator car, including locking blocks, squeezing grooves, and long rods, the problem of quickly opening safety windows and life ladders in emergency situations is solved. Furthermore, the quick-release structure composed of limit blocks, locking grooves, and baffles enables the rapid disassembly of sound-absorbing panels, improving rescue efficiency and sound insulation performance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSUSDE ELEVATOR
- Filing Date
- 2025-06-12
- Publication Date
- 2026-05-15
AI Technical Summary
The existing elevator car structure makes it inconvenient for rescuers to carry rescue ladders in emergencies, the safety window opening method is complicated, and the sound-absorbing panels are difficult to replace, affecting rescue efficiency and the continuity of sound insulation performance.
A linkage structure including a locking block, a squeezing groove, and a long rod was designed to quickly open the safety window and the life ladder. The sound-absorbing panel can be quickly disassembled and installed through a quick-release structure composed of a limit block, a locking groove, and a baffle.
It enables the rapid opening of safety windows and life ladders in emergency situations, improving rescue efficiency, while also facilitating the daily maintenance and replacement of sound-absorbing panels, ensuring the sound insulation performance of the car.
Smart Images

Figure CN224242496U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of elevator engineering, and in particular to a low-noise elevator car structure. Background Technology
[0002] The elevator car is one of the core components of an elevator, serving as the spatial carrier that directly carries passengers or goods. Its structural design must take into account safety, comfort, durability, and functionality. Low-noise elevator car structure refers to a technical system that significantly reduces the noise generated during elevator operation (such as during start-up, acceleration, constant speed, and braking) by optimizing the car's hardware design, material selection, and assembly process, thereby improving riding comfort and reducing interference with the surrounding environment.
[0003] When an elevator is trapped, rescuers need to climb to the top of the elevator car to open the safety window, then bring a ladder from the outside and place it inside the elevator. Under the guidance of the rescuers, the trapped people can escape from the elevator in an orderly manner.
[0004] The existing technology has the following drawbacks: In terms of emergency rescue and daily maintenance, the traditional car structure also has certain defects, such as the complicated opening methods of safety windows and life ladders, which are not conducive to rapid rescue in emergency situations. At the same time, the replacement of noise reduction components such as sound-absorbing panels is inconvenient, which affects the continuous maintenance of the car's sound insulation performance. Therefore, a low-noise elevator car structure is proposed to solve the above problems. Utility Model Content
[0005] To overcome the above shortcomings, this utility model provides a low-noise elevator car structure, aiming to improve the problem of inconvenience for rescuers to carry life ladders in emergency situations in the prior art.
[0006] To achieve the above objectives, the present invention adopts the following technical solution: a low-noise elevator car structure, including a car body, an opening and closing door slidably connected to the inner wall of the car body, a safety window hinged to the top of the car body, an inclined block slidably connected to the inner wall of the safety window, an extrusion groove formed on the inner wall of the car body, a fixed column slidably connected to the inner wall of the extrusion groove, a cover plate fixedly connected to the bottom end of the fixed column, a limit mechanism provided on the fixed column, a long rod fixedly connected to the outer wall of the fixed column, a sound-absorbing plate inserted into the inner wall of the car body, a rescue ladder provided on the inner wall of the car body, and a disassembly assembly provided at the top of the car body;
[0007] The limiting mechanism includes a locking block, which is slidably connected to the inner wall of the fixed column, and the outer wall of the locking block is elastically connected to the fixed column through a movable spring.
[0008] As a further description of the above technical solution:
[0009] The disassembly assembly includes a slot, which is located on the top of the housing. A baffle is slidably connected to the inner wall of the slot, and a limit block is elastically connected to the inner wall of the front end of the baffle via a movable spring.
[0010] As a further description of the above technical solution:
[0011] The outer wall of the cover plate is in contact with the inner wall of the box.
[0012] As a further description of the above technical solution:
[0013] The outer wall of the long rod is in contact with the inner wall of the safety window.
[0014] As a further description of the above technical solution:
[0015] The lower right side of the inclined block is provided with an inclined surface, which is in contact with the left side wall of the long rod.
[0016] As a further description of the above technical solution:
[0017] The card block engages with the inner wall of the extrusion groove.
[0018] As a further description of the above technical solution:
[0019] The bottom end of the baffle contacts the top end of the sound-absorbing plate, and the limiting block is slidably connected to the inner wall of the baffle.
[0020] As a further description of the above technical solution:
[0021] The limiting block is engaged with the inner wall of the slot.
[0022] This utility model has the following beneficial effects:
[0023] 1. In this utility model, through the linkage design of components such as the locking block, the squeezing groove, and the long rod, rescuers can quickly remove the obstruction and restriction on the safety window and the rescue ladder. Without complicated tools, the safety window can be opened quickly and the rescue ladder can be released, guiding the trapped people to escape in an orderly manner, which greatly improves the efficiency of emergency rescue.
[0024] 2. In this utility model, a quick-release structure composed of a limiting block, a slot, and a baffle is used to realize the quick disassembly and installation of the sound-absorbing panel without the need for additional tools, which facilitates daily maintenance and replacement and ensures the continuity of the car's sound insulation performance. Attached Figure Description
[0025] Figure 1 This is a schematic diagram showing the overall structure of the elevator car and the opening and closing door of a low-noise elevator car proposed in this utility model.
[0026] Figure 2A schematic diagram illustrating a safety window in a low-noise elevator car structure proposed in this utility model;
[0027] Figure 3 A schematic diagram illustrating the extrusion groove of a low-noise elevator car structure proposed in this utility model;
[0028] Figure 4 This is a cross-sectional schematic diagram of the box body of a low-noise elevator car structure proposed in this utility model.
[0029] Figure 5 This is a cross-sectional schematic diagram of the fixed column of a low-noise elevator car structure proposed in this utility model.
[0030] Figure 6 This is a cross-sectional schematic diagram of a safety window in a low-noise elevator car structure proposed in this utility model.
[0031] Figure 7 A schematic diagram showing the cross-section of the safety window and its upper inclined block of a low-noise elevator car structure proposed in this utility model.
[0032] Figure 8 This is an exploded view of the baffle, limiting block, and slot of a low-noise elevator car structure proposed in this utility model.
[0033] Figure 9 This invention presents a schematic diagram showing the cross-section of a low-noise elevator car structure and the life ladder mounted on it.
[0034] Legend:
[0035] 1. Box body; 2. Opening door; 3. Safety window; 4. Extrusion groove; 5. Cover plate; 6. Fixing column; 7. Locking block; 8. Long rod; 9. Inclined block; 10. Movable spring; 11. Life ladder; 12. Sound-absorbing panel; 13. Locking groove; 14. Baffle; 15. Limiting block; 16. Moving spring. Detailed Implementation
[0036] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0037] Reference Figures 1-3This utility model provides an embodiment of a low-noise elevator car structure, including a car body 1. Two sets of doors 2 are slidably connected to the inner wall of the car body 1, and are opened and closed electrically via external control. A safety window 3 is hinged to the top of the car body 1. An opening with the same shape as the safety window 3 is provided on the car body 1. The safety window 3 initially blocks the opening. A wedge 9 is slidably connected to the inner wall of the safety window 3. A groove corresponding to the wedge 9 is provided on the safety window 3, allowing the wedge 9 to move vertically. A pressing groove 4 is provided on the inner wall of the car body 1. The pressing groove 4 consists of two sections, one horizontal and one inclined. A fixing column 6 is slidably connected to the inner wall of the pressing groove 4. A groove corresponding to the fixing column 6 is provided on the pressing groove 4, allowing the fixing column 6 to move along the pressing groove 4. The groove slides, and a cover plate 5 is fixedly connected to the bottom end of the fixed column 6. The fixed column 6 is equipped with a limit mechanism. A long rod 8 is fixedly connected to the outer wall of the fixed column 6. A sound-absorbing plate 12 is inserted into the inner wall of the box 1. The sound-absorbing plate 12 is filled with sound-absorbing cotton, which can absorb and reduce the noise of the elevator operation. A rescue ladder 11 is provided on the inner wall of the box 1. A disassembly assembly is provided at the top of the box 1. The limit mechanism includes a locking block 7. The locking block 7 is slidably connected to the inner wall of the fixed column 6. The fixed column 6 has a groove corresponding to the locking block 7, allowing the locking block 7 to move back and forth. The outer wall of the locking block 7 is elastically connected to the fixed column 6 through a movable spring 10. When the locking block 7 moves backward, the movable spring 10 is compressed. When resetting, the elastic force of the movable spring 10 is used to reset the locking block 7.
[0038] Reference Figure 2 and Figure 8 The disassembly assembly includes a slot 13, which is located on the top of the housing 1. A baffle 14 is slidably connected to the inner wall of the slot 13. The slot 13 has a slot corresponding to the baffle 14, allowing the baffle 14 to move left and right. The inner wall of the front end of the baffle 14 is elastically connected to a limit block 15 via a moving spring 16. When the limit block 15 moves forward, the moving spring 16 is compressed. When resetting, the spring force of the moving spring 16 carries the limit block 15 back to its original position. The bottom end of the baffle 14 contacts the top end of the sound-absorbing plate 12, and the baffle 14 acts as a shield and limit for the sound-absorbing plate 12. The limit block 15 is slidably connected to the inner wall of the baffle 14. The baffle 14 has a slot corresponding to the limit block 15, allowing the limit block 15 to move back and forth. The limit block 15 is engaged with the inner wall of the slot 4, which has two sets of slots corresponding to the limit block 15.
[0039] Reference Figures 4-6 The outer wall of the cover plate 5 is in contact with the inner wall of the box 1, and the outer wall of the long rod 8 is in contact with the inner wall of the safety window 3. The safety window 3 is provided with a slot, which allows the long rod 8 to move left and right. At the same time, the safety window 3 is provided with a rectangular opening. When the long rod 8 moves to the opening, it does not block the safety window 3. In its initial state, the long rod 8 plays a role in blocking and limiting the safety window 3.
[0040] Reference Figure 7 and Figure 9 The lower right side of the inclined block 9 is provided with an inclined surface. In the initial state, the inclined block 9 blocks the opening on the safety window 3 to prevent dust from falling into the box 1. The inclined surface contacts the left side wall of the long rod 8. When the long rod 8 squeezes the inclined block 9, it causes the inclined block 9 to move upward. The locking block 7 is locked on the inner wall of the squeezing groove 4. The squeezing groove 4 has two sets of slots corresponding to the locking block 7.
[0041] Working principle: When the elevator malfunctions and people are trapped, rescuers can climb to the top of the elevator car 1. At this time, rescuers can manually move the locking block 7 backward. The locking block 7 will compress the movable spring 10. When the locking block 7 separates from the groove on the compression groove 4, the rescuers can manually move the fixing column 6 and the locking block 7 along the groove on the compression groove 4. The fixing column 6 will move the cover plate 5 and the long rod 8 to the left. When the long rod 8 compresses the inclined surface of the inclined block 9, the inclined block 9 moves upward. At this time, the long rod 8 is located at the opening of the safety window 3. The long rod 8 does not block the safety window 3, and the cover plate 5 does not block the rescue ladder 11. At this time, the locking block 7 coincides with the groove on the compression groove 4. The rescuers can manually release the locking block 7 and use the elasticity of the movable spring 10 to lock the locking block 7 into the groove on the compression groove 4. Then, the rescuers can manually flip and open the safety window 3. Under the command of the rescuers, the trapped people can use the rescue ladder 11 to escape from the elevator car 1 in an orderly manner.
[0042] When it is necessary to restore the device to its initial state, staff can place the rescue ladder 11 as follows: Figure 9 At the indicated position, manually flip and close the safety window 3. When the inclined block 9 squeezes out the long rod 8, the long rod 8 will squeeze the inclined block 9 to move upward. At this time, the long rod 8 is located at the opening of the safety window 3. Then, manually move the locking block 7 backward. When the locking block 7 separates from the groove on the extrusion groove 4, manually move the fixing post 6 and the locking block 7 along the groove on the extrusion groove 4. At this time, the cover plate 5 moves to the right to block the position of the rescue ladder 11. At the same time, when the long rod 8 is inside the safety window 3, the long rod 8 blocks and limits the safety window 3. When the fixing post 6 moves to the initial position, the locking block 7 coincides with the groove on the extrusion groove 4. Manually release the locking block 7 so that the locking block 7 engages in the groove on the extrusion groove 4 to complete the limitation of the fixing post 6.
[0043] When the sound-absorbing panel 12 needs to be replaced, manually move the limiting block 15 forward. The limiting block 15 will compress the moving spring 16. When the limiting block 15 separates from the slot on the slot 13, manually move the baffle 14 to the left. When the baffle 14 no longer blocks the sound-absorbing panel 12, the limiting block 15 will coincide with the second slot on the slot 13. Manually release the limiting block 15, allowing it to engage with the slot on the slot 13, thus limiting the baffle 14. Then, the operator can manually remove the sound-absorbing panel 12. When installing the sound-absorbing panel 12, manually... Align the sound-absorbing panel 12 and insert it into the slot of the housing 1. Then move the limiting block 15 forward. When the limiting block 15 separates from the slot on the card slot 13, manually move the baffle 14 and the limiting block 15 to the right. When the baffle 14 blocks and limits the sound-absorbing panel 12, the limiting block 15 coincides with the slot on the card slot 13. Manually release the limiting block 15 so that it engages with the slot on the card slot 13, thus limiting the baffle 14. If you need to install or remove the sound-absorbing panel 12 again, simply repeat the above steps.
[0044] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A low-noise elevator car structure, comprising a car body (1), characterized in that: The inner wall of the box (1) is slidably connected to an opening and closing door (2), the top of the box (1) is hinged to a safety window (3), the inner wall of the safety window (3) is slidably connected to an inclined block (9), the inner wall of the box (1) is provided with an extrusion groove (4), the inner wall of the extrusion groove (4) is slidably connected to a fixing column (6), the bottom end of the fixing column (6) is fixedly connected to a cover plate (5), the fixing column (6) is provided with a limit mechanism, the outer wall of the fixing column (6) is fixedly connected to a long rod (8), the inner wall of the box (1) is inserted with a sound-absorbing plate (12), the inner wall of the box (1) is provided with a rescue ladder (11), and the top of the box (1) is provided with a disassembly assembly. The limiting mechanism includes a locking block (7), which is slidably connected to the inner wall of the fixed column (6), and the outer wall of the locking block (7) is elastically connected to the fixed column (6) through a movable spring (10).
2. The low-noise elevator car structure according to claim 1, characterized in that: The disassembly assembly includes a slot (13) which is located on the top of the housing (1). A baffle (14) is slidably connected to the inner wall of the slot (13). A limit block (15) is elastically connected to the inner wall of the front end of the baffle (14) via a moving spring (16).
3. The low-noise elevator car structure according to claim 1, characterized in that: The outer wall of the cover plate (5) is in contact with the inner wall of the box (1).
4. The low-noise elevator car structure according to claim 1, characterized in that: The outer wall of the long rod (8) is in contact with the inner wall of the safety window (3).
5. The low-noise elevator car structure according to claim 1, characterized in that: The lower right side of the inclined block (9) is provided with an inclined surface, which is in contact with the left side wall of the long rod (8).
6. The low-noise elevator car structure according to claim 1, characterized in that: The card block (7) is engaged with the inner wall of the extrusion groove (4).
7. The low-noise elevator car structure according to claim 2, characterized in that: The bottom end of the baffle (14) is in contact with the top end of the sound-absorbing plate (12), and the limiting block (15) is slidably connected to the inner wall of the baffle (14).
8. The low-noise elevator car structure according to claim 2, characterized in that: The limiting block (15) is engaged with the inner wall of the slot (13).