Telescopic link embedded plate for elevator shaft steel structure and original building

By combining components such as the supporting base plate, fixing blocks, and connecting steel frames, the problem of loosening and deformation of the connection between the elevator shaft steel structure and the original building structure under relative displacement is solved, achieving stable connection and flexible adjustment, and reducing installation difficulty and cost.

CN224119724UActive Publication Date: 2026-04-14HENAN ZHUANGXIN ELEVATOR CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HENAN ZHUANGXIN ELEVATOR CO LTD
Filing Date
2025-05-09
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

The existing connection structure between the steel structure of the elevator shaft and the original building is prone to relative displacement under the influence of factors such as temperature changes and foundation settlement, which leads to stress concentration, loosening and deformation, affecting safety and stability. Moreover, the existing telescopic connection structure is complex, difficult to install, costly and ineffective.

Method used

The design adopts a combination of components such as a supporting base plate, a fixed sleeve, a connecting steel frame, a movable clamping plate, and a limiting guide rail. Flexible adjustment and stable connection are achieved through a second fixing bolt, a limiting slider, and a sealing support pad. Extension and retraction adjustment are achieved using the limiting guide rail and the slider, and stable fixation is achieved through a third fixing bolt.

Benefits of technology

This achieves a stable connection between the elevator shaft steel structure and the original building, reducing installation difficulty and cost, while improving the reliability and stability of the expansion and contraction adjustment, and extending its service life.

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    Figure CN224119724U_ABST
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Abstract

The utility model discloses an elevator shaft steel structure and original building telescopic link embedded plate, which comprises a supporting bottom plate, limiting sliding blocks are installed on the inner wall of a limiting guide rail in a sliding and inserting mode, a movable clamping plate is fixedly connected between the limiting sliding blocks, and first movable installation grooves are formed in the two sides of the inner wall of the movable clamping plate. And first fixing bolts are inserted into the first movable mounting grooves and the side faces of the fixing sleeve blocks in a penetrating mode, and third fixing bolts are inserted into the upper ends of the side faces of the movable clamping plates. According to the telescopic linkage embedded plate for the elevator shaft steel structure and the original building, the fixing position of the supporting bottom plate can be flexibly adjusted through second fixing bolts and second movable mounting grooves, sealing supporting can be conducted through a sealing supporting pad, fixing is stable, and practicability is high. And limiting sliding telescopic adjustment can be conducted through a limiting guide rail, a limiting sliding block, a first movable mounting groove and a first fixing bolt, adjustment is stable, the connecting steel frame and the movable clamping plate can be stably fixed through a third fixing bolt, and use is more flexible.
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Description

Technical Field

[0001] This utility model relates to the technical field of embedded plates for elevator shaft steel structures, specifically to embedded plates that can be retractably connected between elevator shaft steel structures and the original building. Background Technology

[0002] When adding or modifying elevator shaft steel structures in existing buildings, a reliable connection between the elevator shaft steel structure and the original building is necessary. During use, buildings are affected by factors such as temperature changes and foundation settlement, leading to relative displacement between the original building and the elevator shaft steel structure. If a traditional rigid connection method is used, this relative displacement will generate significant stress at the connection point, easily causing loosening of embedded plates, deformation of the steel structure, or even damage to the connection, affecting the safety and stability of the elevator shaft steel structure and shortening its service life.

[0003] While some retractable connection structures exist, they are often complex, difficult to install, and costly. Furthermore, the effectiveness and reliability of the retractable adjustment need to be improved. Therefore, it is necessary to solve the above problems by using retractable connection embedded plates between the elevator shaft steel structure and the original building. Utility Model Content

[0004] The purpose of this utility model is to provide a pre-embedded plate for retractable connection between the steel structure of the elevator shaft and the original building, so as to solve the problems mentioned in the background art, that although there are some retractable connection structures, they are often complex, difficult to install, costly, and the effect and reliability of retraction adjustment need to be improved.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an elevator shaft steel structure with a retractable embedded plate for connecting to the original building, including a supporting base plate. A fixing sleeve is vertically fixedly connected to the center of the upper end of the supporting base plate, and a connecting steel frame is inserted into the inner wall of the fixing sleeve. A second movable mounting groove is opened on the upper edge of the supporting base plate, and a second fixing bolt is inserted into the inner wall of the second movable mounting groove. A welding positioning groove is opened at the center of the upper end of the supporting base plate, and the fixing sleeve is inserted into the welding positioning groove. Limiting guide rails are opened on the front and rear sides of the inner wall of the fixing sleeve. Limiting sliders are slidably inserted into the inner wall of the limiting guide rails, and a movable clamping plate is fixedly connected between the limiting sliders. A first movable mounting groove is opened on both sides of the inner wall of the movable clamping plate, and a first fixing bolt is inserted through the first movable mounting groove and the side of the fixing sleeve. A third fixing bolt is inserted into the upper end of the side of the movable clamping plate. A sealing support pad is protruding and fixedly connected to the lower edge of the supporting base plate.

[0006] Preferably, the fixing sleeve is fixedly installed to the supporting base plate by welding a positioning groove.

[0007] Preferably, the connecting steel frame is bolted to the movable clamp plate by a third fixing bolt, and the third fixing bolt is distributed in a triangular position.

[0008] Preferably, the movable clamping plate is connected to the fixed sleeve block in a limited sliding lifting connection via a limiting guide rail and a limiting slider, and the movable clamping plate is connected to the fixed sleeve block in a lifting locking connection via a first fixing bolt in the first movable mounting groove.

[0009] Preferably, the second movable mounting groove is arranged in eight rings on the support base plate, and the second movable mounting groove is a long groove structure, and the second fixing bolt is slidably inserted into the second movable mounting groove.

[0010] Preferably, the sealing support pad is made of rubber, and the shape of the sealing support pad matches the shape of the support base plate.

[0011] Compared with the prior art, the beneficial effects of this utility model are: the pre-embedded plate of the elevator shaft steel structure that can be telescopically connected to the original building can flexibly adjust and fix the position of the support base plate through the second fixing bolt and the second movable mounting groove, and can be sealed and supported by the sealing support pad, so as to fix it stably. Moreover, it can be adjusted by the limit guide rail, the limit slider, the first movable mounting groove and the first fixing bolt, so as to adjust it stably. Furthermore, the connecting steel frame and the movable clamp can be stably fixed by the third fixing bolt, making it more flexible to use. Attached Figure Description

[0012] Figure 1 This is a top view of the pre-embedded plate for the retractable connection between the elevator shaft steel structure and the original building, as described in this utility model.

[0013] Figure 2 This is a side view of the internal structure of the embedded plate for the telescopic connection between the steel structure of the elevator shaft and the original building, as shown in this utility model.

[0014] Figure 3 This utility model provides a pre-embedded plate for the retractable connection between the elevator shaft steel structure and the original building. Figure 1 Enlarged view of point A in the middle;

[0015] Figure 4 This utility model provides a pre-embedded plate for the retractable connection between the elevator shaft steel structure and the original building. Figure 2 Enlarged view at point B in the middle;

[0016] Figure 5 This utility model provides a pre-embedded plate for the retractable connection between the elevator shaft steel structure and the original building. Figure 2 Enlarged view at point C;

[0017] Figure 6 This utility model provides a pre-embedded plate for the retractable connection between the elevator shaft steel structure and the original building. Figure 2 Enlarged view of point D in the middle.

[0018] In the diagram: 1. Support base plate, 2. Fixing sleeve block, 3. Connecting steel frame, 4. Movable clamping plate, 5. First movable mounting slot, 6. Second fixing bolt, 7. Second movable mounting slot, 8. Third fixing bolt, 9. First fixing bolt, 10. Limiting guide rail, 11. Limiting slider, 12. Welding positioning slot, 13. Sealing support pad. Detailed Implementation

[0019] 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.

[0020] Please see Figure 1-6This utility model provides a technical solution: an elevator shaft steel structure with a retractable embedded plate for connecting to the original building, including a supporting base plate 1, a fixing sleeve 2, a connecting steel frame 3, a movable clamping plate 4, a first movable mounting groove 5, a second fixing bolt 6, a second movable mounting groove 7, a third fixing bolt 8, a first fixing bolt 9, a limiting guide rail 10, a limiting slider 11, a welding positioning groove 12, and a sealing support pad 13. The fixing sleeve 2 is vertically fixedly connected to the center of the upper end of the supporting base plate 1, and the connecting steel frame 3 is inserted into the inner wall of the fixing sleeve 2. The fixing sleeve 2 is fixedly welded to the supporting base plate 1 through the welding positioning groove 12, thus allowing the fixing sleeve 2 to... The steel frame 3 is fixed by welding through the positioning groove 12, ensuring stable installation. The connecting steel frame 3 is bolted to the movable clamping plate 4 by the third fixing bolts 8, which are arranged in a triangular pattern. This ensures stable installation of the connecting steel frame 3. A second movable mounting groove 7 is provided on the upper edge of the supporting base plate 1, and a second fixing bolt 6 is inserted into the inner wall of the second movable mounting groove 7. The second movable mounting groove 7 is arranged in eight rings on the supporting base plate 1 and has a long groove structure. The second fixing bolt 6 slides into the second movable mounting groove 7, ensuring stable installation of the connecting steel frame 3. The fixing bolt 6 can be adjusted by sliding through the second movable mounting groove 7, which facilitates flexible adjustment, stable installation, and convenient use. A welding positioning groove 12 is provided at the center of the upper end of the support base plate 1. The fixing sleeve 2 is inserted into the welding positioning groove 12 for installation. Limiting guide rails 10 are provided on the front and rear sides of the inner wall of the fixing sleeve 2. Limiting sliders 11 are slidably inserted into the inner wall of the limiting guide rails 10. A movable clamping plate 4 is fixedly connected between the limiting sliders 11. The movable clamping plate 4 is connected to the fixing sleeve 2 in a limited sliding lifting connection through the limiting guide rails 10 and the limiting sliders 11. The movable clamping plate 4 is connected to the fixing sleeve 2 in the first movable mounting groove 5 by the first fixing bolt 9. The movable clamping plate 4 is connected by a lifting and locking mechanism, allowing for limited sliding lifting and adjustment, and stable telescopic adjustment. The inner walls of the movable clamping plate 4 have first movable mounting grooves 5 on both sides, and first fixing bolts 9 are inserted and fitted through the first movable mounting grooves 5 and the side of the fixing sleeve 2. A third fixing bolt 8 is inserted and fitted onto the upper side of the movable clamping plate 4. A sealing support pad 13 is fixedly connected to the protruding lower edge of the support base plate 1. The sealing support pad 13 is made of rubber, and its shape matches the shape of the support base plate 1. This allows the support base plate 1 to be sealed and supported by the sealing support pad 13, ensuring stable installation and providing cushioning support.

[0021] Working principle: When using the retractable embedded plate for connecting the elevator shaft steel structure with the original building, firstly, the movable clamping plate 4 of the device is inserted into the fixed sleeve 2 through the limiting guide rail 10 and the limiting slider 11. Then, the fixed sleeve 2 is positioned and installed with the support base plate 1 through the welding positioning groove 12 and welded. Next, the support base plate 1 is fixed by the second fixing bolt 6. During installation, the sliding position can be adjusted through the second movable mounting groove 7 to achieve the appropriate installation position. Then, the connecting steel frame 3 is inserted into the fixed sleeve 2 and clamped by the movable clamping plate 4. Then, it is fixed by the third fixing bolt 8. When telescopic adjustment is required during use, the first movable mounting groove 5, the first fixing bolt 9, the limiting guide rail 10, and the limiting slider 11 can be used for limited sliding adjustment. Then, the first fixing bolt 9 is used for bolting to achieve quick and stable installation. This is the usage process of the retractable embedded plate for connecting the elevator shaft steel structure with the original building.

[0022] Although the present invention 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 invention should be included within the protection scope of the present invention.

Claims

1. An elevator shaft steel structure with a retractable embedded plate for connecting to the original building, including a supporting base plate (1), wherein a fixing sleeve (2) is vertically fixedly connected to the upper center position of the supporting base plate (1), and a connecting steel frame (3) is inserted and installed on the inner wall of the fixing sleeve (2), characterized in that: The upper edge of the support base plate (1) is provided with a second movable mounting groove (7), and a second fixing bolt (6) is inserted into the inner wall of the second movable mounting groove (7). A welding positioning groove (12) is provided at the center of the upper end of the support base plate (1). The fixing sleeve (2) is inserted into the welding positioning groove (12). Limiting guide rails (10) are provided on the front and rear sides of the inner wall of the fixing sleeve (2). Limiting sliders (11) are slidably inserted into the inner wall of the limiting guide rails (10). A movable clamping plate (4) is fixedly connected between the limiting sliders (11). A first movable mounting groove (5) is provided on both sides of the inner wall of the movable clamping plate (4). A first fixing bolt (9) is inserted through the first movable mounting groove (5) and the side of the fixing sleeve (2). A third fixing bolt (8) is inserted into the upper side of the movable clamping plate (4). A sealing support pad (13) is protruding and fixedly connected to the lower edge of the support base plate (1).

2. The pre-embedded plate for retractable connection between the elevator shaft steel structure and the original building as described in claim 1, characterized in that: The fixed sleeve (2) is fixedly installed to the support base plate (1) by welding the positioning groove (12).

3. The pre-embedded plate for retractable connection between the elevator shaft steel structure and the original building as described in claim 2, characterized in that: The connecting steel frame (3) is bolted to the movable clamp (4) by the third fixing bolt (8), and the third fixing bolt (8) is distributed in a triangular position.

4. The pre-embedded plate for retractable connection between the elevator shaft steel structure and the original building as described in claim 3, characterized in that: The movable clamp (4) is connected to the fixed sleeve (2) in a limited sliding lifting connection through the limiting guide rail (10) and the limiting slider (11), and the movable clamp (4) is connected to the fixed sleeve (2) in a lifting locking connection through the first fixing bolt (9) in the first movable mounting groove (5).

5. The pre-embedded plate for retractable connection between the elevator shaft steel structure and the original building as described in claim 4, characterized in that: The second movable mounting groove (7) is arranged in eight rings on the support base plate (1), and the second movable mounting groove (7) is a long groove structure. The second fixing bolt (6) is slidably inserted into the second movable mounting groove (7).

6. The pre-embedded plate for retractable connection between the elevator shaft steel structure and the original building as described in claim 5, characterized in that: The sealing support pad (13) is made of rubber, and the shape of the sealing support pad (13) matches the shape of the support base plate (1).