Portal frame structure and electric retractable door
By setting spring-connected clamping plates and triangular counterweights in the slots of the gantry door row, the problem of telescopic door being blown down in strong winds is solved, and the wind resistance of the door row and the stability of the normal switch are achieved.
Patent Information
- Application Number
- CN202422693997.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-11-05
AI Technical Summary
Existing telescopic doors are easily blown down in strong winds, resulting in damage to the gantry door strip.
A gantry structure is designed, by providing a spring-connected first clamping plate and second clamping plate in the slot, the triangular counterweight block is fixed using the tension of the spring to increase the weight of the door row and preventing it from being blown down.
In strong windy weather, the triangular counterweight block is fixed by the tension of the spring to enhance the wind resistance of the door, prevent damage, and reduce the counterweight when the wind power weakens to ensure the normal switching speed of the door.
Smart Images

Figure CN223269906U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric telescopic doors, in particular to a gantry structure and an electric telescopic door. Background Art
[0002] Telescopic doors are doors that open and close by telescoping. They are increasingly used due to their ease of opening, attractive appearance, and electric control.
[0003] Existing telescopic doors are mainly composed of multiple gantry door rows connected by cross rods, and are usually used as courtyard doors for office buildings, enterprises and government agencies. The length of telescopic doors is mostly several meters to more than ten meters.
[0004] However, the length of existing telescopic doors is mostly several meters to more than ten meters. Due to the large span of the telescopic door, when encountering strong winds such as typhoons, the gantry door row can be easily blown down or even deformed, causing damage to the door row gantry. Utility Model Content
[0005] The purpose of the utility model is to provide a gantry structure and an electric telescopic door to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gantry door row, wherein slots are provided on both sides of the gantry door row, and telescopic slots are provided on both sides of the front end of the slots of the gantry door row, and springs are provided in the telescopic slots, and the springs on both sides are respectively connected to the first holding plate and the second holding plate; and a plug-in plate, and the outer side of the plug-in plate is connected to the triangular counterweight block.
[0007] Preferably, rollers are provided on both sides of the bottom of the gantry door row, and the rollers can move the gantry door row.
[0008] Preferably, slots are provided on both sides of the plug-in board, and the plug-in board can be plugged into the slots to connect the triangular counterweight block to the gantry door row, thereby increasing the weight of the gantry door row.
[0009] Preferably, the inner side of the spring on one side of the slot is connected to the first holding plate, and the inner side of the spring on the other side of the slot is connected to the second holding plate. The first holding plate and the second holding plate can be inserted into the slots opened on both sides of the plug-in board through the tension of the spring.
[0010] Preferably, a connecting plug is provided on the inner side of the first holding plate, and a connecting slot is provided on the inner side of the second holding plate. The connecting plug can be inserted into the connecting slot to connect the first holding plate and the second holding plate so that the first holding plate and the second holding plate close the slot.
[0011] Preferably, the upper and lower ends of the inner sides of the first holding plate and the second holding plate are connected to pull rods at the same time. Pulling the pull rod can disengage the connecting plug plate on the inner side of the first holding plate from the connecting plug plate on the inner side of the second holding plate, and shrink the first holding plate and the second holding plate into the telescopic slot. A leakage hole is provided at the bottom of the slot, and the leakage hole passes through the gantry door row. Impurities entering the slot can fall out of the leakage hole.
[0012] An electric telescopic door comprises the above-mentioned gantry structure.
[0013] Compared with the prior art, the beneficial effects of the present invention are:
[0014] The utility model proposes a gantry structure and an electric telescopic door. When encountering strong winds such as typhoons, the pull rods extending from both sides of the top are pulled to drive the first holding plate and the second holding plate to retract, so that the connecting plug plate is disengaged from the connecting slot and moved into the telescopic slot. The plug plate is then plugged into the slot. After that, the pull rod is released and slowly pressed down until the plug plate is completely immersed in the slot. At the same time, the first holding plate and the second holding plate are rebounded into the slots on both sides of the plug plate by the tension of the spring, and the plug plate is fixed in the slot, so that the triangular counterweight blocks connected to the plug plate increase the weight of the gantry door row, increase the wind resistance of the gantry door row, and prevent the gantry door row from being blown down and damaged. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;
[0016] Figure 2 for Figure 1 A schematic diagram of the structure at center A;
[0017] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;
[0018] Figure 4 This is a schematic diagram of the cross-sectional structure of another side of the utility model;
[0019] Figure 5 This is a schematic diagram of the three-dimensional structure of the triangular counterweight block of the utility model.
[0020] In the figure: gantry door row 1, roller 2, slot 3, plug-in plate 4, triangular counterweight 5, slot 6, first holding plate 7, second holding plate 8, pull rod 9, connecting plug-in plate 10, connecting slot 11, telescopic slot 12, spring 13, leak hole 14. DETAILED DESCRIPTION
[0021] In order to clearly and completely describe the purpose and technical solution of the present invention and make its advantages more clearly understood, the following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention and are not intended to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0022] See also Figures 1 to 5 The utility model provides a technical solution: a gantry door row 1, a slot 3 is opened on both sides of the gantry door row 1, and the gantry door row 1 is provided with a telescopic slot 12 on both sides of the front end of the slot 3, and a spring 13 is provided in the telescopic slot 12, and the springs 13 on both sides are respectively connected to the first holding plate 7 and the second holding plate 8; and a plug-in plate 4, the outer side of the plug-in plate 4 is connected to the triangular counterweight 5; rollers 2 are provided on both sides of the bottom of the gantry door row 1, and the rollers 2 can make the gantry door row 1 move; slots 6 are opened on both sides of the plug-in plate 4, and the plug-in plate 4 can be plugged into the slot 3, so that the triangular counterweight 5 is connected to the gantry door row 1, increasing the weight of the gantry door row 1; the inner side of the spring 13 on one side of the slot 3 is connected to the first holding plate 7, and the inner side of the spring 13 on the other side of the slot 3 is connected to the second holding plate 8, and the first holding plate 7 and the second holding plate 8 are connected. The two holding plates 8 can be inserted into the slots 6 opened on both sides of the plug-in plate 4 through the tension of the spring 13; a connecting plug plate 10 is provided on the inner side of the first holding plate 7, and a connecting slot 11 is provided on the inner side of the second holding plate 8. The connecting plug plate 10 can be inserted into the connecting slot 11 to connect the first holding plate 7 with the second holding plate 8, so that the first holding plate 7 and the second holding plate 8 are closed to the slot 3; the upper and lower ends of the inner sides of the first holding plate 7 and the second holding plate 8 are connected to the pull rod 9 at the same time. Pulling the pull rod 9 can disengage the connecting plug plate 10 on the inner side of the first holding plate 7 from the connecting plug plate 10 on the inner side of the second holding plate 8, and shrink the first holding plate 7 and the second holding plate 8 to the telescopic slot 12. A leakage hole 14 is provided at the bottom of the slot 3. The leakage hole 14 runs through the gantry door row 1, and impurities entering the slot 3 can fall from the leakage hole 14.
[0023] In actual use, when encountering strong winds such as typhoons, by pulling the pull rods 9 extending from both sides of the top, the pull rods 9 drive the first holding plate 7 and the second holding plate 8 to retract, so that the connecting plug plate 10 is disengaged from the connecting slot 11 and into the telescopic slot 12, and then the plug plate 4 is plugged into the slot 3, and then the pull rod 9 is released and slowly pressed down until the plug plate 4 is completely immersed in the slot 3. At the same time, the first holding plate 7 and the second holding plate 8 are rebounded into the slots 6 on both sides of the plug plate 4 by the tension of the spring 13, fixing the plug plate 4 in the slot 3, so that the triangular counterweight block 5 connected to the plug plate 4 increases the weight of the gantry door row 1, increases the wind resistance of the gantry door row 1, and prevents the gantry door row 1 from being blown down and causing damage; when the weather is normal When the electric telescopic door is opened, the sliding plate 12 is opened, and the sliding plate 13 is opened, and the sliding plate 14 is opened, and the sliding plate 15 is opened, the sliding plate 16 is opened, and the sliding plate 17 is opened. When the electric telescopic door is opened, the sliding plate 12 is opened, and the sliding plate 18 is opened, the sliding plate 19 is opened, and the sliding plate 19 is opened. When the electric telescopic door is opened, the sliding plate 12 is opened, and the sliding plate 18 is opened, the sliding plate 19 is opened, and the sliding plate 18 is opened. When the electric telescopic door is opened, the sliding plate 12 is opened, and the sliding plate 18 is opened, the sliding plate 19 is opened, and the sliding plate 18 is opened
[0024] Although the above describes the illustrative specific implementation methods of the present application so that those skilled in the art can understand the present application, the present application is not limited to the scope of the specific implementation methods. For those of ordinary skill in the art, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations based on the concept of the present application are protected.
Claims
1. A gantry structure, characterized in that: include: A gantry door row (1), slots (3) are provided on both sides of the gantry door row (1), telescopic slots (12) are provided on both sides of the front end of the slots (3), springs (13) are provided in the telescopic slots (12), and the springs (13) on both sides are respectively connected to the first holding plate (7) and the second holding plate (8); and A plug-in board (4) is connected to a triangular counterweight (5) on the outside of the plug-in board (4).
2. A gantry structure according to claim 1, characterized in that: Rollers (2) are provided on both sides of the bottom of the gantry door row (1), and the rollers (2) can enable the gantry door row (1) to move.
3. A gantry structure according to claim 2, characterized in that: The plug-in board (4) is provided with slots (6) on both sides. The plug-in board (4) can be plugged into the slot (3) to connect the triangular counterweight block (5) to the gantry door row (1), thereby increasing the weight of the gantry door row (1).
4. A gantry structure according to claim 3, characterized in that: The inner side of the spring (13) on one side of the slot (3) is connected to the first holding plate (7), and the inner side of the spring (13) on the other side of the slot (3) is connected to the second holding plate (8). The first holding plate (7) and the second holding plate (8) can be plugged into the slots (6) provided on both sides of the plug-in board (4) by the tension of the spring (13).
5. The gantry structure according to claim 4, characterized in that: A connecting plug plate (10) is provided on the inner side of the first holding plate (7), and a connecting slot (11) is provided on the inner side of the second holding plate (8). The connecting plug plate (10) can be inserted into the connecting slot (11) to connect the first holding plate (7) and the second holding plate (8), so that the first holding plate (7) and the second holding plate (8) close the slot (3).
6. The gantry structure according to claim 5, characterized in that: The upper and lower ends of the inner sides of the first holding plate (7) and the second holding plate (8) are simultaneously connected to a pull rod (9). Pulling the pull rod (9) can cause the connecting plug plate (10) on the inner side of the first holding plate (7) to be detached from the connecting plug plate (10) on the inner side of the second holding plate (8), and cause the first holding plate (7) and the second holding plate (8) to be retracted into the telescopic slot (12). A leak hole (14) is provided at the bottom of the slot (3). The leak hole (14) passes through the gantry door row (1), and impurities entering the slot (3) can fall out from the leak hole (14).
7. An electric telescopic door, characterized by: The gantry structure comprises the gantry structure described in any one of claims 1 to 6.