Telescoping folding elevator car support tool
By designing a retractable and foldable elevator car support fixture, the problems of non-adjustable length and inconvenient height in the existing technology are solved. It enables flexible support for elevator cars of different specifications, improves emergency response efficiency and support stability, reduces space occupation, and facilitates handling and storage.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUNAN GUANGCHEN ELECTROMECHANICAL TECH CO LTD
- Filing Date
- 2025-07-28
- Publication Date
- 2026-07-21
AI Technical Summary
The existing elevator car support fixtures have no adjustable length, occupy a lot of space, are difficult to adapt to the support needs of different elevator car sizes, are difficult to move in narrow elevator shafts, and are inconvenient to adjust in height, which affects the performance and emergency response efficiency.
A retractable and foldable elevator car support fixture was designed. Through the hinged first and second U-shaped frames, combined with the upper limiting plate, the sliding support frame, the jack, and the limiting slider, the fixture can be folded and unfolded, the support frame can be flexibly adjusted, and the jack can be stably installed to meet the support requirements of different specifications and heights.
It enables convenient folding and unfolding of the tooling, adapts to the support of elevator cars of different specifications, improves emergency response efficiency and support stability, reduces space occupation, facilitates transportation and storage, and improves the flexibility and safety of use.
Smart Images

Figure CN224530367U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of elevator auxiliary tooling technology, specifically to a telescopic and foldable elevator car support tooling. Background Technology
[0002] During elevator emergency maintenance, it is often necessary to support and fix the elevator car to ensure operational safety. The convenience, stability, and adaptability of the support fixtures are crucial. There are many types of support fixtures for elevator car maintenance on the market, but the existing elevator car support fixtures for emergency maintenance also have the following shortcomings when used.
[0003] Traditional elevator car support fixtures are mostly rigid structures with fixed lengths. Their length cannot be adjusted, making it difficult to adapt to the support needs of elevator cars of different specifications. They also occupy a lot of space and affect the flexibility of operation.
[0004] In addition, most one-piece rigid structure tooling cannot be folded, making it difficult to move in narrow elevator shafts and wasting a lot of time during emergency response.
[0005] Finally, the height adjustment is inconvenient and difficult to adapt to the support requirements of different elevator car models, which can easily lead to unstable support and affect the performance. Therefore, we propose a telescopic and foldable elevator car support fixture. Utility Model Content
[0006] The purpose of this invention is to provide a retractable and foldable elevator car support fixture to address the deficiencies mentioned in the background art.
[0007] To achieve the above objectives, this utility model provides the following technical solution:
[0008] A retractable and foldable elevator car support fixture includes a first U-shaped frame and a second U-shaped frame. The sides of the first U-shaped frame and the second U-shaped frame that are close to each other are hinged together. An upper limiting plate for clamping and limiting the second U-shaped frame after it is unfolded is fixedly installed on the side of the first U-shaped frame close to the second U-shaped frame. Support frames are slidably connected to the two side rods of the first U-shaped frame and the second U-shaped frame. A jack is detachably installed on the support frame. A top plate is detachably installed at the end of the telescopic shaft of the jack.
[0009] Preferably, after the first U-shaped frame and the second U-shaped frame are fully extended, the second U-shaped frame abuts against the side of the upper limiting plate, and the first U-shaped frame and the second U-shaped frame rotate toward the side away from the upper limiting plate for storage.
[0010] Preferably, each of the two side rods of the support frame is provided with a first sliding groove, and the two side rods of the first U-shaped frame and the second U-shaped frame are located in the corresponding first sliding grooves and are slidably connected to the first sliding grooves;
[0011] Preferably, a second slide groove is provided on the wall of the first slide groove, and the end of the first U-shaped frame and the second U-shaped frame are both fixedly installed on the inner side of the end rods. The end limiting slider is located in the second slide groove and is slidably connected to the second slide groove.
[0012] The above two features prevent the support frame from slipping off the first U-shaped frame and the second U-shaped frame.
[0013] Preferably, a rectangular box is provided at the center of the support frame, and a central connecting rod is fixedly installed between the rectangular box and the inner side of the support frame. The jack is detachably installed on the rectangular box.
[0014] Preferably, the rectangular box is provided with a rectangular groove that connects the top to the outside, and a base plate is fixedly installed at the bottom of the jack, with the base plate and the rectangular groove being inserted into each other.
[0015] This setting enables the initial assembly of the jack.
[0016] Preferably, a vertical plate is fixedly installed on the top surface of the front side panel of the rectangular box, and a fastening bolt is threaded onto the vertical plate. A limiting post is fixedly installed at the front end of the fastening bolt. A vertically arranged side plate is fixedly installed on the top surface of the front side panel of the base plate, and a horizontally arranged insertion hole is provided in the side plate. The limiting post is inserted into the insertion hole.
[0017] This setting allows for further limiting and securing of the jack, ensuring it will not collapse.
[0018] Preferably, the size of the limiting post is adapted to the size of the insertion hole, and anti-slip stripes are provided on the top surface of the top plate.
[0019] Compared with the prior art, the beneficial effects of this utility model are:
[0020] 1. This utility model achieves the folding and unfolding of the tooling by setting a hinged structure between the first U-shaped frame and the second U-shaped frame and an upper limiting plate. After folding, the space occupied is greatly reduced, making it easy to transport in narrow elevator shafts. After unfolding, the upper limiting plate ensures structural stability, thereby improving emergency response efficiency and operational flexibility.
[0021] 2. This utility model uses a support frame that is slidably connected on the first U-shaped frame and the second U-shaped frame, and with the help of the end limiting slider and the second sliding groove to prevent slippage, so that the position of the support frame can be flexibly adjusted along the frame body to adapt to the support length requirements of elevator cars of different specifications, thereby achieving flexible adaptation of the support width and improving the versatility of the tooling.
[0022] 3. This utility model achieves stable installation and height adjustment of the jack by installing a jack on the rectangular box of the support frame, using the limiting plug of the fastening bolt to fix it with the insertion hole of the side plate, and combining it with the anti-slip stripes of the top plate. This ensures stable support and prevents the car from sliding, thereby improving support safety and adapting to different height requirements. Attached Figure Description
[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0024] Figure 2 This is a schematic diagram of the exploded structure of this utility model;
[0025] Figure 3 This utility model Figure 2 Enlarged view of point A in the middle;
[0026] Figure 4 This utility model Figure 2 Enlarged view of point B in the middle;
[0027] Figure 5 This utility model Figure 2 Enlarged view of point C in the middle;
[0028] The meanings of the labels in the diagram are as follows:
[0029] 1. First U-shaped frame; 10. Upper limiting plate; 11. Second U-shaped frame; 12. End limiting slider;
[0030] 2. Support frame; 20. First slide rail; 201. Second slide rail; 21. Central connecting rod; 22. Rectangular box; 221. Rectangular groove; 23. Vertical plate; 24. Fastening bolt; 241. Limiting post; 25. Jack; 251. Base plate; 26. Side plate; 261. Insertion hole; 27. Top plate; 271. Anti-slip stripes. Detailed Implementation
[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. 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.
[0032] Please see Figures 1-5 This utility model provides a technical solution: a telescopic and foldable elevator car support fixture, including a first U-shaped frame 1 and a second U-shaped frame 11. The sides of the first U-shaped frame 1 and the second U-shaped frame 11 that are close to each other are hinged together. An upper limiting plate 10 for clamping and limiting the second U-shaped frame 11 after it is unfolded is fixedly installed on the side of the first U-shaped frame 1 close to the second U-shaped frame 11. Support frames 2 are slidably connected to the two side rods of the first U-shaped frame 1 and the second U-shaped frame 11. A jack 25 is detachably installed on the support frame 2. A top plate 27 is detachably installed at the end of the telescopic shaft of the jack 25 through multiple fastening bolts. The position of the support frame 2 can be adjusted by sliding. The jack 25 and the top plate 27 provide support, so that the fixture has both telescopic and foldable properties and support stability, realizing the support of elevator cars of different specifications and improving the practicality of the fixture.
[0033] In this embodiment, after the first U-shaped frame 1 and the second U-shaped frame 11 are fully unfolded, the second U-shaped frame 11 abuts against the side of the upper limiting plate 10. The first U-shaped frame 1 and the second U-shaped frame 11 rotate toward the side away from the upper limiting plate 10 for storage, so that the tooling is structurally stable when unfolded and its volume is reduced when stored, making it easy to transport and store, thereby improving the convenience of tooling use.
[0034] Specifically, the support frame 2 has a first sliding groove 20 in both sides of the rod body. The rod bodies on both sides of the first U-shaped frame 1 and the second U-shaped frame 11 are located in the corresponding first sliding groove 20 and are slidably connected to the first sliding groove 20, so that the support frame 2 can move flexibly along the frame body to adapt to the support requirements of elevator cars of different widths, thereby improving the adaptability of the tooling.
[0035] Furthermore, a second slide 201 with its end not connected to the outside is provided on the wall of the first slide 20. End limiting sliders 12 are fixedly installed on the inner side of the end rods of the first U-shaped frame 1 and the second U-shaped frame 11. The end limiting sliders 12 are located in the second slide 201 and are slidably connected to the second slide 201, which effectively prevents the support frame 2 from slipping off the frame, ensures the safety of the support process, and achieves the effect of enhancing the stability of the tooling structure.
[0036] In addition, a rectangular box 22 is provided at the center of the support frame 2. A central connecting rod 21 is fixedly installed between the rectangular box 22 and the inner side of the support frame 2. The jack 25 can be detachably installed on the rectangular box 22, so that the installation position of the jack 25 is stable and easy to disassemble and maintain, thereby improving the installation stability and maintenance convenience of the jack 25.
[0037] like Figure 2As shown, a rectangular groove 221 with its top connected to the outside is provided inside the rectangular box 22. A base plate 251 is fixedly installed at the bottom of the jack 25. The base plate 251 and the rectangular groove 221 are interlocked to achieve the initial assembly of the jack 25, enabling the jack 25 to be quickly positioned and installed, thereby improving the installation efficiency of the jack 25. The jack 25 is a conventional technology and will not be described in detail here.
[0038] like Figure 2 , Figure 4 and Figure 5 As shown, a vertical plate 23 is fixedly installed on the top surface of the front side plate of the rectangular box 22. A fastening bolt 24 is threaded onto the vertical plate 23. A limiting post 241 is fixedly installed at the front end of the fastening bolt 24. A vertically arranged side plate 26 is fixedly installed on the top surface of the front side plate of the base plate 251. A horizontally arranged insertion hole 261 is provided in the side plate 26. The limiting post 241 and the insertion hole 261 are inserted and matched to further limit and fix the jack 25, prevent the jack 25 from collapsing, and achieve the effect of ensuring the working stability of the jack 25.
[0039] It is worth noting that the size of the limiting pin 241 is matched with the size of the socket 261. Anti-slip stripes 271 are provided on the top surface of the top plate 27. The limiting pin 241 and the socket 261 fit tightly together to enhance the fixing effect. The anti-slip stripes 271 increase the friction with the car, making the tooling support more stable and achieving the effect of improving the support safety.
[0040] When using the telescopic and foldable elevator car support fixture of this utility model, the first U-shaped frame 1 and the second U-shaped frame 11 in the folded state are unfolded, so that the second U-shaped frame 11 is fixed against the side of the upper limiting plate 10. The sliding support frame 2 moves within the second sliding groove 201 through the first sliding groove 20 and the end limiting slider 12 to adjust to a suitable position and complete the length adjustment.
[0041] Insert the base plate 251 of the jack 25 into the rectangular slot 221 of the rectangular box 22, rotate the fastening bolt 24 on the vertical plate 23 to insert the limiting pin 241 into the insertion hole 261 of the side plate 26 and fix it, operate the jack 25 to make the top plate 27 press against the car, and the anti-slip stripes 271 enhance the friction.
[0042] After the operation is completed, reverse the operation of jack 25, loosen the fastening bolt 24 and take out jack 25, reset the support frame 2, and fold the first U-shaped frame 1 and the second U-shaped frame 11 for storage.
[0043] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A retractable and foldable elevator car support fixture, characterized in that: The system includes a first U-shaped frame (1) and a second U-shaped frame (11). The sides of the first U-shaped frame (1) and the second U-shaped frame (11) that are close to each other are hinged together. An upper limiting plate (10) for clamping and limiting the second U-shaped frame (11) after it is unfolded is fixedly installed on the side of the first U-shaped frame (1) that is close to the second U-shaped frame (11). A support frame (2) is slidably connected to both sides of the first U-shaped frame (1) and the second U-shaped frame (11). A jack (25) is detachably installed on the support frame (2). A top plate (27) is detachably installed at the end of the telescopic shaft of the jack (25).
2. The telescopic and foldable elevator car support fixture according to claim 1, characterized in that: After the first U-shaped frame (1) and the second U-shaped frame (11) are fully extended, the second U-shaped frame (11) abuts against the side of the upper limiting plate (10), and the first U-shaped frame (1) and the second U-shaped frame (11) rotate toward the side away from the upper limiting plate (10) for storage.
3. The telescopic and foldable elevator car support fixture according to claim 1, characterized in that: The support frame (2) has a first sliding groove (20) in both sides of the rod body. The rod bodies on both sides of the first U-shaped frame (1) and the second U-shaped frame (11) are located in the corresponding first sliding groove (20) and are slidably connected to the first sliding groove (20).
4. The telescopic and foldable elevator car support fixture according to claim 3, characterized in that: The first slide groove (20) has a second slide groove (201) on its groove wall, which is not connected to the outside at its end. The end limit slider (12) is fixedly installed on the inner side of the end rod of the first U-shaped frame (1) and the second U-shaped frame (11). The end limit slider (12) is located in the second slide groove (201) and is slidably connected to the second slide groove (201).
5. The telescopic and foldable elevator car support fixture according to claim 1, characterized in that: A rectangular box (22) is provided at the center of the support frame (2). A central connecting rod (21) is fixedly installed between the rectangular box (22) and the inner side of the support frame (2). The jack (25) is detachably installed on the rectangular box (22).
6. The telescopic and foldable elevator car support fixture according to claim 5, characterized in that: The rectangular box (22) is provided with a rectangular groove (221) that is connected to the outside at the top. The bottom end of the jack (25) is fixedly installed with a base plate (251), and the base plate (251) and the rectangular groove (221) are inserted into each other.
7. The telescopic and foldable elevator car support fixture according to claim 6, characterized in that: A vertical plate (23) is fixedly installed on the top surface of the front side plate of the rectangular box (22). A fastening bolt (24) is threaded onto the vertical plate (23). A limiting post (241) is fixedly installed at the front end of the fastening bolt (24). A side plate (26) is fixedly installed on the top surface of the front side plate of the bottom plate (251). A horizontally arranged insertion hole (261) is provided in the side plate (26). The limiting post (241) and the insertion hole (261) are inserted into each other.
8. The telescopic and foldable elevator car support fixture according to claim 7, characterized in that: The size of the limiting post (241) is adapted to the size of the insertion hole (261), and anti-slip stripes (271) are provided on the top surface of the top plate (27).