Retractable door leaf electromagnetic lock structure

Abstract

The utility model belongs to the field of door and window manufacturing, and relates to a retractable door leaf electromagnetic lock structure which comprises an exhibition stand top plate, an outer curved wall and a retractable door leaf, a controller and a retractable beam corresponding to the retractable door leaf are arranged in the exhibition stand top plate, a guide rod is arranged on the retractable beam, a nut seat is connected to the guide rod in a sliding mode, and the retractable door leaf is arranged on the nut seat. The nut seats are fixedly connected with the corresponding retractable door leaves, magnetic blocks are arranged on the nut seats, electromagnets matched with the magnetic blocks are arranged on the retractable beams, and the electromagnets are connected with the controller. The door leaf is fixed at the initial position through the electromagnetic lock, the door leaf can be pushed away and retracted through power failure of the controller and elastic force of the spring when the door leaf is extruded, extrusion injury to personnel is avoided, the door leaf can be always kept in a closed state when no accident occurs, and the door leaf cannot be easily pushed to move.

Description

Technical Field

[0001] The utility model belongs to the field of door and window manufacturing and relates to a retractable door leaf electromagnetic lock structure. Background Art

[0002] The revolving doors commonly found on the market today are generally divided into two-wing revolving doors, three-wing revolving doors and four-wing revolving doors. In this structure, the retractable door leaf and the booth are relatively fixedly connected, and the retractable door leaf cannot be displaced along the axis of rotation. Therefore, the distance between the outer edge of the retractable door leaf and the outer curved wall of the revolving door is fixed. When a pedestrian is pinched and collided between the outer side of the retractable door leaf and the outer curved wall, the only way to rescue the trapped person is to break open the door leaf, but it is impossible to take effective measures before the accident occurs, and it is impossible to fundamentally avoid the revolving door from pinching and colliding with pedestrians, which affects the normal operation of the revolving door.

[0003] The existing Chinese utility model patent with publication number CN219262190U is a three-wing exhibition booth revolving door with retractable and sliding door leaves, which includes three retractable door leaves, a booth top plate and a booth bottom plate. The characteristics are as follows: the booth top plate and the booth bottom plate are respectively fixedly connected with linear guide rails parallel to the retractable door leaves, and the linear guide rails are equipped with sliders. The retractable door leaves are connected to the sliders, and the retractable door leaves can slide inward along the linear guide rails; an exhibition booth stand is arranged between two adjacent retractable door leaves, the top end of the exhibition booth stand is fixedly connected to the booth top plate, and the bottom end is fixedly connected to the booth bottom plate. There is a gap between two adjacent exhibition booth stand plates, and the width of the gap is not less than the thickness of the retractable door leaves.

[0004] The existing technology has the following technical defects:

[0005] The above technical solution solves the problem of preventing people from being pinched by door leaves, but during normal operation, there is a lack of a relatively fixed structure for the door leaves, and the door leaves are easy to slide on the guide rails, causing the artificial gap to become larger, making it more likely for people to approach by mistake or for objects to get stuck in the gap. Utility Model Content

[0006] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a retractable door leaf electromagnetic lock structure.

[0007] The electromagnetic lock structure for the retractable door leaf described in the utility model includes a booth top plate, an outer curved wall and a retractable door leaf. A controller and a retractable beam corresponding to the retractable door leaf are provided in the booth top plate. A guide rod is provided on the retractable beam, and a nut seat is slidably connected to the guide rod. The nut seat is fixedly connected to the corresponding retractable door leaf. A magnetic block is provided on the nut seat, and an electromagnet adapted to the magnetic block is provided on the retractable beam. The electromagnet is connected to the controller.

[0008] Working process or working principle:

[0009] During operation, the magnetic block fits with the electromagnet, so that the door leaf is in normal working condition and will not move easily. When squeezing occurs, the electromagnet is powered off and demagnetized through the controller, so that the door leaf can be easily pushed open and then reset by pushing the door leaf back.

[0010] The electromagnet is connected to the retracting beam via a magnet seat, and an elastic component is provided on the magnet seat. The retracting door leaf can be pushed open by utilizing the characteristics of the elastic component when power is off.

[0011] The elastic component comprises a spring fixed on the magnet seat, and a baffle corresponding to the spring is provided on the nut seat.

[0012] The retracting beam is provided with a position sensor which is connected to a controller. When resetting is required, the retracting door leaf is pushed back to its original position. When the position sensor senses the position, the controller is energized to re-engage the magnetic block and the electromagnet.

[0013] The magnetic block and the baffle are both connected to the nut seat via a connecting plate.

[0014] The magnetic block is movably connected to the connecting plate through an elastic member. When the magnetic block and the electromagnet are attracted and generate impact force, the elastic member of the magnetic block on the connecting plate can absorb some of the impact force, thereby reducing the risk of damage to the door leaf.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] The utility model fixes the door leaf in the initial position through an electromagnetic lock, but when it is squeezed, the power is cut off by the controller and the spring force is used to push and retract the door leaf, avoiding squeezing injuries to personnel. When no accident occurs, the door leaf can always remain in a closed state and will not be easily pushed to move. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the utility model in an unretracted state.

[0018] Figure 2 This utility model Figure 1 A in the enlarged view,

[0019] Figure 3 This is a schematic diagram of the utility model in the retracted state.

[0020] Figure 4 This utility model Figure 3 Enlarged view of point B in the middle.

[0021] In the figure: 1. Booth top plate; 2. Outer curved wall; 3. Retractable door leaf; 4. Controller; 5. Guide rod; 6. Nut seat; 7. Magnetic block; 8. Baffle; 9. Electromagnet; 10. Magnet seat; 11. Retractable beam; 12. Position sensor; 13. Spring; 14. Connecting plate. DETAILED DESCRIPTION

[0022] Example 1

[0023] like Figures 1 to 4 As shown, the electromagnetic lock structure of the retractable door leaf 3 described in the present invention includes a booth top plate 1, an outer curved wall 2 and a retractable door leaf 3, and a controller 4 and a retractable beam 11 corresponding to the retractable door leaf 3 are provided in the booth top plate 1, and a guide rod 5 is provided on the retractable beam 11, and a nut seat 6 is slidably connected to the guide rod 5, and the nut seat 6 is fixedly connected to the corresponding retractable door leaf 3, and a magnetic block 7 is provided on the nut seat 6, and an electromagnet 9 adapted to the magnetic block 7 is provided on the retractable beam 11, and the electromagnet 9 is connected to the controller 4; the electromagnet 9 is connected to the retractable beam 11 through a magnet seat 10, and an elastic component is provided on the magnet seat 10, and the characteristics of the elastic component can be used to push open the retractable door leaf 3 when the power is off; the elastic component includes a spring 13 fixed on the magnet seat 10, and a baffle 8 corresponding to the spring 13 is provided on the nut seat 6; the retractable beam 11 is provided with a position sensor 12, and the position sensor 12 is connected to the controller 4. When resetting is required, the retractable door leaf 3 is pushed back to its original position. When the position sensor 12 senses it, the controller 4 is energized to re-engage the magnet 7 and the electromagnet 9. The magnet 7 and the baffle 8 are both connected to the nut seat 6 via the connecting plate 14. The magnet 7 is movably connected to the connecting plate 14 via an elastic member. When the magnet 7 and the electromagnet 9 are attracted and generate an impact force, the elastic member of the magnet 7 on the connecting plate 14 can absorb some of the impact force, thereby reducing the risk of damage to the door leaf.

[0024] Working process or working principle:

[0025] During operation, the magnetic block 7 fits with the electromagnet 9, so that the door leaf is in normal working condition and will not move easily. When squeezing occurs, the electromagnet 9 is powered off and demagnetized through the controller 4, and the door leaf can be easily pushed open by the elastic force of the spring 13. In order to avoid accidentally touching the retracting door leaf 3 during rescue, causing the magnetic block 7 and the electromagnet 9 to re-attract and cause secondary damage, the spring 13 can also be used to avoid direct pushing in, and the retracting door leaf 3 is detected by the position sensor 12. After overcoming the elastic force of the spring 13, the electromagnet 9 is powered on and attracted through the controller 4, reducing the risk of secondary injury.

[0026] The utility model fixes the door leaf in the initial position through an electromagnetic lock, but when it is squeezed, the controller 4 cuts off the power and the elastic force of the spring 13 is used to push the retracted door leaf 3 open, avoiding squeezing injuries to personnel. When no accident occurs, the door leaf can always remain in a closed state and will not be easily pushed to move.

[0027] 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 and is only for the convenience of description.

Claims

1. A retractable door leaf electromagnetic lock structure, comprising a booth top plate (1), an outer curved wall (2) and a retractable door leaf (3), characterized in that: The exhibition stand top plate (1) is provided with a controller (4) and a retracting beam (11) corresponding to the retracting door leaf (3); the retracting beam (11) is provided with a guide rod (5); a nut seat (6) is slidably connected to the guide rod (5); the nut seat (6) is fixedly connected to the corresponding retracting door leaf (3); a magnetic block (7) is provided on the nut seat (6); an electromagnet (9) adapted to the magnetic block (7) is provided on the retracting beam (11); and the electromagnet (9) is connected to the controller (4).

2. The retractable door leaf electromagnetic lock structure according to claim 1, characterized in that: The electromagnet (9) is connected to the retracting beam (11) via a magnet base (10), and an elastic component is provided on the magnet base (10).

3. The electromagnetic lock structure for retractable door leaf according to claim 2, characterized in that: The elastic component comprises a spring (13) fixed on the magnet seat (10), and a baffle (8) corresponding to the spring (13) is provided on the nut seat (6).

4. The electromagnetic lock structure for retractable door leaf according to claim 3, characterized in that: The retracting beam (11) is provided with a position sensor (12), and the position sensor (12) is connected to the controller (4).

5. The retractable door leaf electromagnetic lock structure according to claim 4, characterized in that: The magnetic block (7) and the baffle (8) are both connected to the nut seat (6) via a connecting plate (14).

6. The electromagnetic lock structure for retractable door leaf according to claim 5, characterized in that: The magnetic block (7) is movably connected to the connecting plate (14) via an elastic member.

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