Revolving door telescopic device

Abstract

The utility model relates to a revolving door telescopic device, and belongs to the technical field of revolving doors. A cross arm is arranged on the frame, a guide rail penetrates through the cross arm, and the door plate is slidably connected with the guide rail through a sliding table. A telescopic cylinder used for driving the door plate to move is arranged on the frame, a driving table is connected to the side face of the sliding table, and one end of the driving table abuts against the output end of the telescopic cylinder. The guide rail is sleeved with a spring used for rebounding and buffering the door plate, and the spring is located between the sliding table and the cross arm. And a buffer table matched with the driving table is arranged on the frame. The telescopic device drives the door plate to move in the radial direction, so that the door plate can be retracted in emergency, people are prevented from being extruded and injured by the door plate, and the operation safety of the revolving door is improved.

Description

Technical Field

[0001] The utility model relates to a retractable device for a revolving door, belonging to the technical field of revolving doors. Background Art

[0002] Due to its characteristics such as convenience and good sealing performance, revolving doors are widely used in various places, such as hotels, shopping malls, office buildings, airports, railway stations and other places where a large number of people come in and go out.

[0003] After long-term use, people have discovered a safety hazard of revolving doors: Since the door panel of the revolving door is fixedly arranged integrally with the revolving frame, the door panel cannot retract. Therefore, in some cases, people or sundries are easily accidentally clamped between the door panel and the external frame. This rigid extrusion not only causes harm to people, but also may damage the revolving door itself. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is: to overcome the deficiencies of the prior art and provide a retractable device for a revolving door, which drives the door panel of the revolving door to move radially, avoids people being clamped between the door panel and the external frame and being rigidly extruded, and ensures the safety of people.

[0005] A retractable device for a revolving door of the utility model comprises: a revolving door, and the revolving door further comprises: a floor base, an outer frame is arranged on the floor base, a rotatable revolving door mechanism is arranged between the floor base and the outer frame, and a retractable device for driving the door panel to move radially is arranged on the revolving door mechanism.

[0006] The retractable device comprises: a frame, a crossbar is arranged on the frame, a guide rail is arranged through the crossbar, and the door panel is slidably connected with the guide rail through a sliding table.

[0007] A telescopic cylinder for driving the door panel to move is arranged on the frame, a driving platform is connected to the side surface of the sliding table, and one end of the driving platform abuts against the output end of the telescopic cylinder.

[0008] A spring for the door panel to rebound and buffer is sleeved on the guide rail, and the spring is between the sliding table and the crossbar;

[0009] A buffer platform matched with the driving platform is arranged on the frame.

[0010] Furthermore, a first elastic buffer block for alleviating the impact of the sliding table is arranged on the side surface of the crossbar.

[0011] Furthermore, a buffer seat for alleviating the impact between the telescopic cylinder and the driving platform is arranged on the output end of the telescopic cylinder.

[0012] Furthermore, a second elastic buffer block used in cooperation with the buffer seat is arranged on the side of the driving platform close to the telescopic cylinder, and a magnetic attraction plate is arranged on the side of the driving platform close to the buffer platform.

[0013] Further, an electromagnet for cooperating with the magnetic attraction plate is provided on one side of the buffer table close to the driving table.

[0014] Further, the spring is arranged at one end of the guide rail away from the rotation center of the revolving door mechanism.

[0015] Further, an auxiliary pulley is provided at one end of the frame away from the rotation center of the revolving door mechanism.

[0016] The beneficial effects of the present utility model compared with the prior art are as follows:

[0017] The telescopic device drives the door panel to achieve radial movement, so that the door panel can be retracted in case of emergency, avoiding the extrusion injury of personnel by the door panel and improving the operation safety of the revolving door. Description of the Drawings

[0018] Figure 1 is the first perspective structural schematic diagram of the revolving door of the present utility model;

[0019] Figure 2 is the second perspective structural schematic diagram of the revolving door of the present utility model;

[0020] Figure 3 is the first state structural schematic diagram of the telescopic device of the present utility model;

[0021] Figure 4 is the second state structural schematic diagram of the telescopic device of the present utility model.

[0022] In the figure:

[0023] 1, floor;

[0024] 2, revolving door mechanism; 201, door panel;

[0025] 3, outer frame;

[0026] 4, telescopic device; 401, frame; 402, guide rail; 403, sliding table;

[0027] 404, cross bar; 4041, first elastic buffer block;

[0028] 405, telescopic cylinder; 4051, buffer seat;

[0029] 406, spring;

[0030] 407, driving table; 4071, second elastic buffer block; 4072, magnetic attraction plate;

[0031] 408, buffer table; 4081, electromagnet;

[0032] 409, auxiliary pulley. Detailed Embodiment

[0033] like Figures 1-4 As shown, this embodiment is implemented by the following technical solution: the revolving door comprises: a platform 1, an outer frame 3 is provided on the platform 1, a rotatable revolving door mechanism 2 is provided between the platform 1 and the outer frame 3, and a telescopic device 4 for driving the door panel 201 to move radially is provided on the revolving door mechanism 2; the telescopic device 4 comprises:

[0034] A frame 401, on which a cross arm 404 is disposed, through which a guide rail 402 is disposed, and the door panel 201 is slidably connected to the guide rail 402 via a slide 403;

[0035] A telescopic cylinder 405 for driving the door panel 201 to move is provided on the frame 401. A driving platform 407 is connected to the side of the slide 403. One end of the driving platform 407 abuts against the output end of the telescopic cylinder 405. The driving platform 407 is connected to the slide 403, and the two move as a whole. When the output end of the telescopic cylinder 405 is extended, it supports the driving platform 407 to move.

[0036] The guide rail 402 is provided with a spring 406 for rebound and buffering of the door panel 201, and the spring 406 is located between the slide 403 and the cross arm 404;

[0037] A buffer platform 408 that cooperates with the driving platform 407 is provided on the frame 401 .

[0038] Specifically, a first elastic buffer block 4041 for alleviating the impact of the slide 403 is provided on the side of the cross arm 404 .

[0039] Specifically, a buffer seat 4051 for alleviating the impact between the telescopic cylinder 405 and the driving platform 407 is provided on the output end of the telescopic cylinder 405 .

[0040] Specifically, a second elastic buffer block 4071 used in conjunction with the buffer seat 4051 is provided on one side of the driving platform 407 close to the telescopic cylinder 405 , and a magnetic attraction plate 4072 is provided on one side of the driving platform 407 close to the buffer platform 408 .

[0041] Specifically, an electromagnet 4081 used in conjunction with the magnetic attraction plate 4072 is provided on one side of the buffer platform 408 close to the driving platform 407 .

[0042] Specifically, the spring 406 is arranged on an end of the guide rail 402 away from the rotation center of the revolving door mechanism 2 .

[0043] Specifically, an auxiliary pulley 409 is provided at one end of the frame 401 away from the rotation center of the revolving door mechanism 2 .

[0044] The specific use principle of the utility model is as follows:

[0045] The output end of the telescopic cylinder 405 extends, and the telescopic cylinder 405 abuts against the driving platform 407 to move. The driving platform 407 simultaneously drives the sliding platform 403 to move. At this time, the door panel 201 moves radially to the side away from the rotation center of the revolving door. During the movement, the sliding platform 403 compresses the spring 406 towards the cross arm 404, as Figure 3 shown, to reduce the impact caused by the movement of the door panel 201; the telescopic cylinder 405 further extends, and the magnetic attraction plate 4072 on the driving platform 407 is attracted to the electromagnet 4081 on the buffer platform 408. The driving platform 407 drives the sliding platform 403 and the door panel 201 to be fixed on the telescopic device 4. Subsequently, the telescopic cylinder 405 retracts and resets.

[0046] In case of an emergency, the electromagnet 4081 is powered off, and the driving platform 407 loses the restraint of the electromagnet 4081. At this time, the elastic force of the spring 406 is released, and the sliding platform 403 and the driving platform 407 rebound, causing them to move towards the side close to the rotation center of the revolving door mechanism 2, and the door panel 201 retracts radially accordingly.

[0047] Of course, the above content is only the preferred embodiment of the present invention and cannot be considered as limiting the scope of the embodiments of the present invention. The present invention is not limited to the above examples. Equivalent changes and improvements made by those of ordinary skill in the art within the essence of the present invention shall fall within the scope covered by the patent of the present invention.

Claims

1. A revolving door telescopic device, including a revolving door, and the revolving door further includes: Platform (1), an outer frame (3) is provided on the platform (1), a rotatable revolving door mechanism (2) is provided between the platform (1) and the outer frame (3), and a telescopic device (4) for driving the door panel (201) to move radially is provided on the revolving door mechanism (2), characterized in that: the telescopic device (4) includes: A frame (401), a crossbar (404) is provided on the frame (401), a guide rail (402) is disposed through the crossbar (404), and the door panel (201) is slidably connected to the guide rail (402) through a sliding table (403); A telescopic cylinder (405) for driving the door panel (201) to move is provided on the frame (401), a driving table (407) is connected to the side of the sliding table (403), and one end of the driving table (407) abuts against the output end of the telescopic cylinder (405); A spring (406) for the door panel (201) to rebound and buffer is sleeved on the guide rail (402), and the spring (406) is between the sliding table (403) and the crossbar (404); A buffer table (408) cooperating with the driving table (407) is provided on the frame (401).

2. A revolving door telescopic device according to claim 1, characterized in that A first elastic buffer block (4041) for alleviating the impact of the sliding table (403) is provided on the side of the crossbar (404).

3. A revolving door telescopic device according to claim 1, characterized in that A buffer seat (4051) for alleviating the impact between the output end of the telescopic cylinder (405) and the driving table (407) is provided on the output end of the telescopic cylinder (405).

4. A revolving door telescopic device according to claim 3, characterized in that A second elastic buffer block (4071) cooperating with the buffer seat (4051) is provided on the side of the driving table (407) close to the telescopic cylinder (405), and a magnetic attraction plate (4072) is provided on the side of the driving table (407) close to the buffer table (408).

5. A revolving door telescopic device according to claim 4, characterized in that An electromagnet (4081) cooperating with the magnetic attraction plate (4072) is provided on the side of the buffer table (408) close to the driving table (407).

6. A revolving door telescopic device according to claim 1, characterized in that The spring (406) is arranged at one end of the guide rail (402) far from the rotation center of the revolving door mechanism (2).

7. A revolving door telescopic device according to claim 1, characterized in that An auxiliary pulley (409) is provided at one end of the frame (401) far from the rotation center of the revolving door mechanism (2).

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