Mounting structure of electric push rod of retractable door leaf of revolving door

By designing the retracted door leaf push rod installation structure of the revolving door leaf, the automatic retraction and reset of the revolving door leaf is achieved by using electric push rods and guides, the problem that the existing revolving door cannot effectively deal with pedestrian collisions and improves the revolving door Safety and convenience of use.

CN222478517UActive Publication Date: 2025-02-14山东锐泽自动化科技股份有限公司
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Patent Information

Application Number
CN202421237927.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-31
Publication Date
2025-02-14
Estimated Expiration
2034-05-31

AI Technical Summary

Technical Problem

The existing revolving doors cannot be effectively dealt with in pedestrian collision accidents and cannot be effectively dealt with before the accident occurs, which affects the normal operation of the revolving doors.

Method used

An installation structure of a rotating door retracting door leaf electric push rod is designed, including the booth roof, retracting beam, electric push rod and guide rail. Through the cooperation of the electric push rod and guide rail, the automatic retraction and reset of the rotating door leaf is achieved.

Benefits of technology

It realizes automatic restoration of the revolving door leaf when there is no obstruction, and can quickly retract when encountering greater force, avoid pedestrian collisions and increase the space between the door leaf and the curved wall.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN222478517U_ABST
    Figure CN222478517U_ABST
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Abstract

The utility model belongs to the field of door and window manufacturing, and relates to a mounting structure of a revolving door retractable door leaf electric push rod, which comprises an exhibition stand top plate, an outer curved wall and a revolving door leaf, a retractable beam corresponding to the revolving door leaf is fixedly connected in the exhibition stand top plate, and the retractable beam is fixedly connected with the electric push rod. A telescopic rod of the electric push rod makes contact with the rotating door leaf through a connecting plate. The electric push rod is controlled by the controller to restore the door leaf when no shielding object exists, and meanwhile the door leaf can be pushed to be retracted inwards when large force is received, so that the space between the door leaf and the curved wall is enlarged.
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Description

Technical Field

[0001] The utility model belongs to the field of door and window manufacturing and relates to a mounting structure of an electric push rod for retracting a door leaf of a rotary door. Background Art

[0002] The distance between the outer edge of the revolving door leaf and the outer curved wall of the revolving door commonly seen on the market is fixed. When a pedestrian is pinched or colliding with the outer edge of the revolving door leaf and the outer curved wall, the trapped person can only be rescued by breaking the door leaf, but effective measures cannot be taken before the accident occurs, and the revolving door cannot be fundamentally avoided from pinching or colliding with pedestrians, which affects the normal operation of the revolving door. The existing utility model patent with patent number CN219262190U, a three-wing booth revolving door with retractable and sliding door leaves includes three revolving door leaves, a booth top plate and a booth bottom plate, the booth top plate and the booth bottom plate are respectively fixedly connected with linear guide rails parallel to the revolving door leaves, the linear guide rails are equipped with sliders, the revolving door leaves and the sliders are connected together, and the revolving door leaves can slide inward along the linear guide rails; a booth stand plate is arranged between two adjacent revolving door leaves, the top end of the booth stand plate is fixedly connected to the booth top plate, and the bottom end is fixedly connected to the booth bottom plate, and there is a gap between two adjacent booth stand plates, and the width of the gap is not less than the thickness of the revolving door leaves.

[0003] The prior art has the following technical defects:

[0004] The above technical solution solves the problem of people being pinched by the revolving door, but it still needs to be manually moved to restore the original appearance. If it is not restored in time, it will affect the appearance of use. However, the door leaf can be easily moved during normal use. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a mounting structure for an electric push rod of a retracting door leaf of a revolving door.

[0006] The installation structure of the electric push rod for retracting the revolving door leaf described in the utility model comprises a booth top plate, an outer curved wall and a revolving door leaf, a retracting beam corresponding to the revolving door leaf being fixedly connected inside the booth top plate, an electric push rod being fixedly connected to the retracting beam, and a telescopic rod of the electric push rod being in contact with the revolving door leaf through a connecting plate.

[0007] Working process or working principle:

[0008] During operation, the electric push rod can be placed in the middle of the booth top plate. When the revolving door leaf retracts, the electric push rod can be used to push the revolving door leaf back, and then the electric push rod can be reset to avoid affecting the next retraction of the revolving door leaf.

[0009] The retracting beam is fixedly connected with a guide rail, the guide rail is slidably connected with a slider, the bottom of the slider is fixedly connected with the connecting plate, and the guide rail can make the rotating door leaf move more stably.

[0010] The electric push rod is arranged parallel to the guide rail, a buffer support is provided on the slider, a suction plate is provided on the buffer support, a magnetic block matched with the suction plate is provided on the retraction beam, the buffer support is in contact with the telescopic rod of the electric push rod, and the electric push rod drives the slider to move on the guide rail by pushing the buffer support, thereby realizing the retraction of the revolving door leaf connected to the slider. The buffer support can prevent the revolving door leaf from causing impact damage to the electric push rod when retracting.

[0011] A spring is provided at one end of the guide rail close to the magnetic block. The spring can provide a certain thrust when the revolving door leaf is retracted under force, so that the revolving door leaf can quickly move away from the outer curved wall, thereby increasing the space. When the electric push rod resets the revolving door leaf, the spring can also play a certain buffering role to avoid sudden impact between the magnetic block and the suction plate.

[0012] The retracting beam is provided with a proximity switch corresponding to the buffer support, and a controller is provided in the booth top plate. The proximity switch and the electric push rod are both connected to the controller. When the electric push rod pushes the buffer support close to the magnetic suction block, the proximity switch detects the proximity signal and controls the electric push rod to stop and retract through the controller.

[0013] The guide rail is provided with a plurality of rubber pads matched with the sliding block, and the rubber pads can buffer the impact of the sliding block and the retracting beam when the rotating door leaf moves.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model controls the electric push rod through a controller to restore the door leaf when there is no obstruction. At the same time, if a large force is received, the door leaf can be pushed to be retracted inwards, so that the space between the door leaf and the curved wall becomes larger. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is one of the structural schematic diagrams of an embodiment of the utility model.

[0017] Figure 2 This is the second structural diagram of an embodiment of the utility model.

[0018] Figure 3 In one embodiment of the utility model Figure 2 A magnified image of

[0019] Figure 4 It is a working assembly schematic diagram of an embodiment of the utility model.

[0020] In the figure: 1. Booth top plate; 2. Controller; 3. Outer curved wall; 4. Revolving door leaf; 5. Retracting beam; 6. Connecting plate; 7. Spring; 8. Magnetic block; 9. Proximity switch; 10. Suction plate; 11. Buffer support; 12. Slider; 13. Electric push rod; 14. Rubber pad; 15. Guide rail. DETAILED DESCRIPTION

[0021] Example 1

[0022] like Figure 1 to Figure 4 As shown, the installation structure of the electric push rod for retracting the revolving door leaf of the utility model comprises a booth top plate 1, an outer curved wall 3 and a revolving door leaf 4, wherein a retracting beam 5 corresponding to the revolving door leaf 4 is fixedly connected to the booth top plate 1, an electric push rod 13 is fixedly connected to the retracting beam 5, and the telescopic rod of the electric push rod 13 contacts the revolving door leaf 4 through a connecting plate 6; a guide rail 15 is fixedly connected to the retracting beam 5, a slider 12 is slidably connected to the guide rail 15, and the bottom of the slider 12 is fixed to the connecting plate 6 The guide rail 15 can make the revolving door leaf 4 move more stably; the electric push rod 13 is arranged in parallel with the guide rail 15, the slider 12 is provided with a buffer support 11, the buffer support 11 is provided with a suction plate 10, the retraction beam 5 is provided with a magnetic block 8 adapted to the suction plate 10, the buffer support 11 is in contact with the telescopic rod of the electric push rod 13, and the electric push rod 13 drives the slider 12 to move on the guide rail 15 by pushing the buffer support 11, thereby realizing the retraction of the revolving door leaf 4 connected to the slider 12. The use of the buffer support 11 can prevent the revolving door leaf 4 from causing impact damage to the electric push rod 13 when it retracts; the spring 7 is provided at one end of the guide rail 15 close to the magnetic block 8, and the spring 7 can play a certain thrust when the revolving door leaf 4 is forced to retract, so that the revolving door leaf 4 can quickly move away from the outer curved wall 3, thereby increasing the space. When the electric push rod 13 resets the revolving door leaf 4, the spring 7 can also play a certain buffering role to avoid the sudden impact of the magnetic block 8 and the suction plate 10; the retracting beam 5 is provided with a proximity switch 9 corresponding to the buffer support 11, and a controller 2 is provided in the top plate 1 of the booth. The proximity switch 9 and the electric push rod 13 are both connected to the controller 2. When the electric push rod 13 pushes the buffer support 11 to approach the magnetic block 8, the proximity switch 9 detects the proximity signal and controls the electric push rod 13 to stop and retract through the controller 2; the guide rail 15 is provided with a plurality of rubber pads 14 adapted to the slider 12, and the rubber pads 14 can buffer the impact of the slider 12 and the retracting beam 5 when the revolving door leaf 4 moves.

[0023] Working process or working principle:

[0024] During operation, if extrusion occurs, the suction plate 10 and the magnetic block 8 can be separated by a large force to achieve the retraction of the revolving door leaf 4, thereby ensuring that extrusion is avoided. After the hidden danger of extrusion is eliminated, the controller 2 controls the electric push rod 13 to reset and push back the revolving door leaf 4, and the suction plate 10 and the magnetic block 8 are recombined to fix the revolving door leaf 4, and then the electric push rod 13 is reset to avoid affecting the next retraction of the revolving door leaf 4.

[0025] The utility model controls the electric push rod 13 through the controller 2 to restore the door leaf when there is no obstruction. At the same time, if a large force is received, the door leaf can be pushed to be retracted inward, so that the space between the door leaf and the curved wall becomes larger.

[0026] The description of the direction and relative position relationship of the structure in the present invention, such as the description of front, back, left, right, up, and down, does not constitute a limitation of the present invention, but is only for the convenience of description.

Claims

1. A mounting structure for an electric push rod for retracting a revolving door leaf, comprising a booth top plate (1), an outer curved wall (3) and a revolving door leaf (4), characterized in that: A retracting beam (5) corresponding to the revolving door leaf (4) is fixedly connected inside the booth top plate (1), an electric push rod (13) is fixedly connected to the retracting beam (5), and a telescopic rod of the electric push rod (13) contacts the revolving door leaf (4) via a connecting plate (6).

2. The installation structure of the electric push rod for retracting the door leaf of a revolving door according to claim 1 is characterized in that: The retractable beam (5) is fixedly connected to a guide rail (15), the guide rail (15) is slidably connected to a slider (12), and the bottom of the slider (12) is fixedly connected to the connecting plate (6).

3. The installation structure of the electric push rod for retracting the door leaf of a revolving door according to claim 2 is characterized in that: The electric push rod (13) is arranged in parallel with the guide rail (15), a buffer support (11) is arranged on the slider (12), a suction plate (10) is arranged on the buffer support (11), a magnetic suction block (8) matched with the suction plate (10) is arranged on the retractable beam (5), and the buffer support (11) is in contact with the telescopic rod of the electric push rod (13).

4. The installation structure of the electric push rod for retracting the door leaf of a revolving door according to claim 3 is characterized in that: A spring (7) is provided at one end of the guide rail (15) close to the magnetic attraction block (8).

5. The installation structure of the electric push rod for retracting the door leaf of a revolving door according to claim 3 or 4, characterized in that: The retractable beam (5) is provided with a proximity switch (9) corresponding to the buffer support (11), a controller (2) is provided in the exhibition stand top plate (1), and the proximity switch (9) and the electric push rod (13) are both connected to the controller (2).

6. The installation structure of the electric push rod for retracting the door leaf of a revolving door according to claim 5, characterized in that: The guide rail (15) is provided with a plurality of rubber pads (14) adapted to the slide block (12).

Citation Information

Patent Citations

  • Three-wing exhibition platform revolving door with door leaves capable of retracting and sliding

    CN219262190U