Revolving door capable of preventing pedestrians from being pinched
By combining impact blocks and microswitches on the revolving door, the problem of pedestrians being easily pinched or objects getting stuck in the revolving door is solved, achieving a safe emergency stop and buffering effect, thus improving the safety of the revolving door.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-03-27
AI Technical Summary
Existing revolving doors can easily trap backpacks and other items when users walk slowly, or they can easily trap children's fingers, causing damage or injury.
Multiple sets of impact blocks are movably connected to the surfaces of the two ends of the revolving door frame away from the axis. These blocks are equipped with micro switches. When an impact block is hit by an external object, it retracts and presses down the micro switch, triggering the emergency stop drive mechanism to prevent further rotation.
It effectively avoids injuries to objects or limbs from revolving doors, reduces rescue difficulties, and the spring mechanism provides cushioning, improving safety.
Smart Images

Figure CN224048965U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to waste liquid treatment technical field especially relates to a kind of revolving door to avoid clamping injury pedestrian. BACKGROUND
[0002] Rotary door is a kind of entrance equipment integrated with the advantages of multiple door bodies, which can provide spacious and high-grade design and create a luxurious atmosphere. Rotary door enhances wind resistance and reduces air conditioning energy consumption due to its constant opening and closing function, making it an ideal choice for isolating airflow and saving energy. Rotary doors include manual rotary doors and automatic rotary doors, and their components include fixed frames, hat heads, lower screens, etc. Most current rotary doors are composed of several side wing doors, which rotate under the drive of a motor. This method rotates at a fixed speed, which can easily cause backpacks and other items to be stuck in the rotary door or the fingers of children to be clamped when the user walks slowly. Therefore, a rotary door is needed that can stop the motor when the edge of the rotary door clamps a limb or gets stuck with an item, to prevent the motor from continuing to rotate the rotary door and causing damage to the item or clamping the limb. SUMMARY
[0003] The utility model aims at the above-mentioned prior art problem, provide a kind of revolving door to avoid clamping injury pedestrian.
[0004] To solve the above problems, a revolving door is provided to avoid clamping injury pedestrian, characterized by comprising a top assembly, a rotary door and an arc-shaped wall. The top assembly includes a drive mechanism. The drive mechanism drives the rotary door to rotate. The arc-shaped wall is coaxial with the rotary door and fixedly connected to the bottom of the top assembly. The rotary door includes an outer plate, a door frame, an impact block and a microswitch. The door frame has a plurality of impact blocks movably connected to the surface of the two ends away from the shaft center. The door frame has a microswitch on both sides away from the shaft center position. The trigger end of the microswitch is close to the impact block.
[0005] Preferably, the door frame has a plurality of guide columns at one end, and the impact block has a plurality of guide holes at the corresponding position. The length of the guide hole is greater than the length of the guide column, and there is a gap between the side wall of the guide hole and the guide column.
[0006] Preferably, the impact block has a bolt at one end away from the shaft center of the door frame, and the bolt penetrates the impact block horizontally and is connected to one end of the door frame. The impact block has a plurality of rubber strips fixedly connected to one end away from the shaft center of the door frame. The straight edge on one side of the impact block away from the shaft center of the door frame needs to be rounded.
[0007] Preferably, a spring is arranged between the door frame and the impact block and is penetrated by the bolt.
[0008] Preferably, at least one set of empty frame is arranged between the door frame for installing glass, and preferably, at least two sets of outer plates are fixed on both sides of the door frame, and the short side length of the outer plates is less than the short side length of the door frame after the installation of the plurality of impact blocks, so that the impact blocks cannot be effectively retracted due to the influence of the outer plates.
[0009] Preferably, the driving mechanism is known to those skilled in the art, and the structure of the driving mechanism is not described.
[0010] Preferably, the micro switch controls the driving mechanism, and the micro switch will stop the driving mechanism after being triggered.
[0011] In summary, the beneficial effects of the present utility model are:
[0012] The present utility model changes part of the structure, so that the plurality of impact blocks arranged outside the door frame are pressed downward after being retracted due to the collision of external objects, and the micro switch will stop the driving mechanism at the same time, thereby avoiding the danger caused by the continuous rotation of the driving mechanism, and the impact blocks have sufficient pressing stroke, so that the rescue difficulty caused by the body being stuck can be avoided, and the impact blocks can be easily lifted to take out the body, and the spring mechanism can play a certain buffering role, thereby avoiding the excessive extrusion of the body to a certain extent. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a schematic diagram of the overall structure of the present utility model;
[0014] Figure 2 It is a schematic diagram of the outer plate structure of the revolving door of the present utility model;
[0015] Figure 3 It is a sectional view of the overall structure of the revolving door of the present utility model;
[0016] Figure 4 It is a schematic diagram of the overall structure of the revolving door of the present utility model.
[0017] In the figure: 1, top assembly; 2, arc-shaped wall; 3, revolving door; 311, door frame; 321, impact block; 322, rubber strip; 331, micro switch; 341, guide column; 342, guide hole; 351, outer plate. DETAILED DESCRIPTION
[0018] In order to make the purpose, technical scheme and advantages of the present utility model more clear, the present utility model will be further described in detail below in combination with the drawings and specific embodiments. Although the exemplary embodiments are disclosed in the drawings, it should be understood that the present utility model can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to facilitate a thorough understanding of the present utility model and to enable the complete disclosure of the concept of the present utility model to those skilled in the art.
[0019] In the description of the present specification, the description of the terms "certain embodiments", "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.
[0020] In the present application, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; the term "a plurality of" refers to two or more than two, unless otherwise explicitly limited. The terms "mounting", "connection", "connection", "fixing" and the like should be broadly understood, for example, "connection" can be fixed connection, or detachable connection, or integrally connected; "connected" can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0021] Please refer to Figures 1-2 As shown, the driving mechanism drives the rotating door 3 to rotate, the arc-shaped wall 2 is coaxial with the rotating door 3 and is fixedly connected to the bottom of the top assembly 1, the rotating door 3 comprises an outer plate 351, a door frame 311, an impact block 321 and a micro switch 331, a plurality of groups of impact blocks 321 are movably connected to the surfaces of the two ends of the door frame 311 away from the shaft center, the micro switch 331 is arranged on the two sides of the door frame 311 away from the shaft center position, and the triggering end of the micro switch 331 is close to the impact block 321.
[0022] Please refer to Figure 3 As shown, the door frame 311 is provided with a plurality of guide columns 341 at one end, and a plurality of guide holes 342 are arranged at the corresponding positions of the impact blocks 321, the length of the guide hole 342 is greater than the length of the guide column 341, and there is a gap fit between the side wall of the guide hole 342 and the guide column 341.
[0023] Further, the impact block 321 is provided with a bolt at one end away from the shaft center of the door frame 311, the bolt horizontally penetrates the impact block 321 and is connected to one end of the door frame 311, a plurality of groups of rubber strips 322 are fixedly connected to one end of the impact block 321 away from the shaft center of the door frame 311, and the straight edges on one side of the impact block 321 away from the shaft center of the door frame 311 need to be rounded.
[0024] Further, the door frame 311 is provided with a spring and is penetrated by a bolt between the door frame 311 and the impact block 321.
[0025] Please refer to Figure 4 As shown in the drawings, at least one group of empty frames is arranged between the door frame 311 for installing glass, and further, at least two groups of outer plates 351 are respectively fixed on both sides of the door frame 311, the short edge length of the outer plate 351 is less than the overall short edge length of the door frame 311 after the installation of the plurality of impact blocks 321, that is, the impact block 321 cannot be effectively retracted due to the influence of the outer plate 351.
[0026] Further, the micro switch 331 controls the driving mechanism, and the micro switch 331 will stop the driving mechanism after being triggered.
[0027] When the driving mechanism is used, the rotating door 3 can be driven to rotate and work normally, if the pedestrian's limbs are placed at the edge of the arc-shaped wall 2 and are pressed by the rotating door 3 during rotation, the plurality of impact blocks 321 arranged outside the door frame 311 will be retracted due to the collision of the limbs, the micro switch 331 under the impact block 321 is pressed, and the micro switch 331 will stop the driving mechanism, so as to avoid the danger caused by the continuous rotation of the driving mechanism, and the impact block 321 has sufficient pressing stroke, so as to avoid the difficulty in rescue after the limbs are stuck, the pedestrian can lift the impact block 321 to take out the limbs, and the spring mechanism can play a certain buffering role, and the limbs are prevented from being pressed too hard.
[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the present application, and all should be covered in the scope of the claims of the present application.
Claims
1. A revolving door that avoids pinching pedestrians, characterized in that, The device includes a top assembly (1), a revolving door (3), and an arc-shaped wall (2). The top assembly (1) includes a drive mechanism that drives the revolving door (3) to rotate. The arc-shaped wall (2) is coaxial with the revolving door (3) and fixedly connected to the bottom of the top assembly (1). The revolving door (3) includes an outer plate (351), a frame (311), impact blocks (321), and micro switches (331). Multiple sets of impact blocks (321) are movably connected to the surfaces of the two ends of the frame (311) away from the axis. Micro switches (331) are provided on both sides of the frame (311) away from the axis.
2. The revolving door for preventing pedestrian injury as described in claim 1, characterized in that: The gantry (311) is provided with multiple sets of guide posts (341) at one end and multiple sets of guide holes (342) are provided at the corresponding positions of the impact block (321). The length of the guide hole (342) is greater than the length of the guide post (341) and the side wall cooperates with the guide post (341).
3. The revolving door for preventing pedestrian injury as described in claim 1, characterized in that: The impact block (321) is provided with a bolt at one end away from the axis of the gantry (311), and the bolt passes through the impact block (321) and is fixedly connected to one end of the gantry (311). Multiple sets of rubber strips (322) are fixedly connected to the end of the impact block (321) away from the axis of the gantry (311). The right-angled side of the impact block (321) away from the axis of the gantry (311) needs to be rounded.
4. The revolving door for preventing pedestrian injury as described in claim 1, characterized in that: A spring is provided between the gantry (311) and the impact block (321) and is penetrated by a bolt.
5. A revolving door for preventing pedestrians from being pinched, as described in claim 1, characterized in that: At least one set of empty frames is provided between the gantry (311) for installing glass. At least two sets of outer plates (351) are fixed on both sides of the gantry (311). The short side length of the outer plate (351) is less than the overall short side length of the gantry (311) after the multiple sets of impact blocks (321) are installed. That is, the impact blocks (321) will not be unable to retract effectively due to the influence of the outer plate (351).
6. A revolving door for preventing pedestrians from being pinched, as described in claim 1, characterized in that: The micro switch (331) controls the drive mechanism. When the micro switch (331) is triggered, it will cause the drive mechanism to stop suddenly.