Automatic door opening mechanism
By introducing a gear connection and torque sensor detection system into the automatic door opening mechanism, the problem of uneven force on the drive components is solved, the service life of the mechanism is improved, and pinching incidents are prevented, thus achieving safe and reliable automatic door operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-08
- Publication Date
- 2026-04-10
AI Technical Summary
The existing automatic door opening mechanism has a problem of uneven load on the drive components, which leads to damage to parts and a shortened service life.
The drive component is connected to the mounting block via gears. Combined with the detection component and torque sensor, it realizes the detection of the door opening and closing angle and anti-pinch function. The controller performs comprehensive control, which improves the conventional swing arm drive structure.
This effectively avoids uneven stress on the drive components, extends the service life of the automatic door opening mechanism, and ensures that the door does not pinch or injure people during closing.
Smart Images

Figure CN224107129U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to point technology field, concretely relates to an automatic door opening mechanism. BACKGROUND
[0002] With the improvement of the science and technology level, people's living standards also significantly improve, more and more people pay attention to personal property safety, property security not only includes the safety of funds, also includes the safety of data. Among them, the door as a control, as the guarantee of property, plays a vital role, the prior art discloses the related automatic control structure with automatic opening and closing door, but adopts the structure of swing arm, which leads to certain eccentric force of driving component in actual stress, and long-term use state can lead to damage of parts and even unable to use. CONTENT OF THE UTILITY MODEL
[0003] The utility model aims at providing an automatic door opening mechanism to solve the above problems, and improves the opening and closing driving structure of the automatic door to realize the purpose of prolonging the service life of the automatic door opening mechanism.
[0004] To achieve the above object, the utility model provides the following scheme:
[0005] An automatic door opening mechanism, comprising a mounting block mounted on a door frame and a mounting shell mounted on a door body, a driving component is arranged in the mounting shell, the driving component is connected with the mounting block through a gear for driving the door body to open or close, a detection component for detecting the opening and closing angle of the door body is arranged between the door body and the door frame, and a torque sensor for preventing pinching is further arranged at the hinge of the door body and the door frame; the driving component, the detection component and the torque sensor are electrically connected with a controller.
[0006] Preferably, the driving component comprises a motor mounted in the mounting shell, the output shaft of the motor is connected with a gear, the gear is engaged with a connecting rod group, and the connecting rod group is rotatably connected with the mounting block.
[0007] Preferably, the connecting rod group comprises a rack rotatably connected with the bottom surface of the mounting block, the rack is engaged with the gear on one side, and a hinge shell is rotatably connected on the output shaft of the motor, and the rack is slidably connected in the hinge shell.
[0008] Preferably, the detection component comprises a second arc-shaped strip fixedly connected to the top surface of the door body, a plurality of electromagnetic coils are mounted on the second arc-shaped strip, a first arc-shaped strip is mounted on the inner wall of the top surface of the door frame, a plurality of permanent magnets are mounted on the first arc-shaped strip, and the spacing of the plurality of permanent magnets is matched with the spacing of the second arc-shaped strip.
[0009] Preferably, another torque sensor is installed on the output shaft of the motor, and the torque sensor on the motor is located below the gear.
[0010] Preferably, the mounting shell is arranged in a staggered manner with the mounting block.
[0011] The utility model has the following technical effects:
[0012] The utility model sets up the drive part on the mounting shell, and the mounting shell is installed on the door body, so that the related drive connecting mechanism is provided with enough space to ensure the normal operation of the components, and the opening and closing angle of the door body is detected by the detection component, which can be used to detect whether the door body is completely closed, and the torque sensor can prevent the personnel from being injured when the door body is automatically closed, the drive part is driven by the gear, the conventional swing arm type drive is improved, the problem of force bias of the drive component is effectively avoided, and the service life of the door opening mechanism is greatly improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art.
[0014] Fig. 1 It is a structure schematic view of another installation state of the utility model;
[0015] Fig. 2 It is a structure schematic view of another installation state of the utility model;
[0016] Fig. 3 It is a structure schematic view of the mutual cooperation of the mounting shell and the mounting block of the utility model;
[0017] Fig. 4 It is a structure utility model of the detection component of the utility model.
[0018] 1, door frame; 2, door body; 3, mounting shell; 301, motor; 302, gear; 303, hinged shell; 304, rack; 4, mounting block; 5, first arc-shaped strip; 501, permanent magnet; 6, second arc-shaped strip; 601, electromagnetic coil. DETAILED DESCRIPTION
[0019] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, apparently, the described embodiment is only a part of the embodiment of the utility model, and is not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.
[0020] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the utility model will be further described in detail with reference to the drawings and specific embodiments.
[0021] Referring to Figs. 1 to 4 The embodiment provides an automatic door opening mechanism, which comprises a mounting block 4 mounted on a door frame 1 and a mounting shell 3 mounted on a door body 2, a driving part is arranged in the mounting shell 3, the driving part is connected with the mounting block 4 through a gear 302 and is used for driving the door body 2 to open or close, a detection part for detecting the opening and closing angle of the door body 2 is arranged between the door body 2 and the door frame 1, and a torque sensor for preventing clamping is further arranged at the hinge joint of the door body 2 and the door frame 1; the driving part, the detection part and the torque sensor are electrically connected with a controller.
[0022] The driving part is arranged on the mounting shell 3, and the mounting shell 3 is further mounted on the door body, so that sufficient space can be provided for the related driving connection mechanism to ensure the normal operation of the components, in addition, the detection part corresponding to the opening and closing angle of the door body 2 can be used to detect whether the door body 2 is completely closed, the torque sensor can prevent the personnel from being clamped during the automatic closing of the door body 2, the driving part is driven through the gear 302, the conventional swing arm type driving is improved, the problem of force bias of the driving part is effectively avoided, and the service life of the door opening mechanism is greatly improved.
[0023] Further optimization scheme, the driving part includes a motor 301 mounted in the mounting shell 3, the output shaft of the motor 301 is connected with the gear 302, the gear 302 is engaged with a connecting rod set, and the connecting rod set is rotatably connected with the mounting block 4.
[0024] Further optimization scheme, the connecting rod set comprises a rack 304 rotatably connected with the bottom surface of the mounting block 4 at one end, the rack 304 is engaged with the gear 302 on one side, a hinge shell 303 is rotatably connected on the output shaft of the motor 301, and the rack 304 is slidably connected in the hinge shell 303.
[0025] By controlling the rotation of the motor 301, the gear 302 can be driven to rotate, and the rack 304 can be further driven to move in the hinge shell 303, the rack 304 can push the mounting block 4, the spacing between the mounting shell 3 and the mounting block 4 can be changed, and then the door opening and closing can be realized.
[0026] Further optimization scheme, detection components include a second arc-shaped strip 6 fixedly connected to the top surface of the door body 2, a plurality of electromagnetic coils 601 are installed on the second arc-shaped strip 6, a first arc-shaped strip 5 is installed on the inner wall of the top surface of the door frame 1, a plurality of permanent magnets 501 are installed on the first arc-shaped strip 5, and the spacing of the plurality of permanent magnets 501 matches the spacing of the second arc-shaped strip 6.
[0027] The electromagnetic coil 601 and the controller are electrically connected, so that when the door body 2 and the door frame 1 exist an angle, the mutual induction between the permanent magnet 501 and the electromagnetic coil 601 can detect whether the door body 2 is completely closed.
[0028] Further optimization scheme, another torque sensor is installed on the output shaft of the motor 301, and the torque sensor on the motor 301 is located below the gear 302.
[0029] The torque sensor on the motor 301 can detect the corresponding driving force, and according to the torque sensor between the door body 2 and the door frame 1 and the torque sensor on the motor 301, it can be comprehensively judged whether there is a large resistance when the door body 2 is closed, and then the motor 301 is controlled to stop running or reverse operation, realizing the function of anti-pinch.
[0030] Further optimization scheme, the installation shell 3 and the installation block 4 are arranged in a staggered manner.
[0031] In the description of the present application, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application.
[0032] The above-described embodiments are only preferred modes of the present application, and do not limit the scope of the present application, and various modifications and improvements to the technical solutions of the present application made by those skilled in the art without departing from the design spirit of the present application shall fall within the protection scope of the present application.
Claims
1. An automatic door opening mechanism characterized by, The application relates to a door opening and closing device, which comprises a mounting block (4) mounted on a door frame (1) and a mounting shell (3) mounted on a door body (2), wherein a driving component is arranged in the mounting shell (3) and is connected with the mounting block (4) through a gear (302) for driving the door body (2) to open or close, a detection component for detecting the opening and closing angle of the door body (2) is arranged between the door body (2) and the door frame (1), and a torque sensor for preventing pinching is arranged at the hinge joint of the door body (2) and the door frame (1); the driving component, the detection component and the torque sensor are electrically connected with a controller.
2. An automatic door opening mechanism according to claim 1, wherein, The driving component comprises a motor (301) mounted in the mounting shell (3), the output shaft of the motor (301) is connected with the gear (302), the gear (302) is engaged with a connecting rod set, and the connecting rod set is rotationally connected with the mounting block (4).
3. An automatic door opening mechanism according to claim 2, wherein, The connecting rod set comprises a gear rack (304) rotationally connected with the bottom surface of the mounting block (4), the gear rack (304) is engaged with the gear (302) on one side, the output shaft of the motor (301) is rotationally connected with a hinge shell (303), and the gear rack (304) is slidingly connected in the hinge shell (303).
4. The automatic door opener mechanism of claim 1, wherein, The detection component comprises a second arc-shaped strip (6) fixedly connected with the top surface of the door body (2), a plurality of electromagnetic coils (601) are arranged on the second arc-shaped strip (6), a first arc-shaped strip (5) is arranged on the inner wall of the top surface of the door frame (1), a plurality of permanent magnets (501) are arranged on the first arc-shaped strip (5), and the interval of the plurality of permanent magnets (501) matches the interval of the second arc-shaped strip (6).
5. The automatic door opening mechanism of claim 2, wherein, Another torque sensor is arranged on the output shaft of the motor (301), and the torque sensor on the motor (301) is located below the gear (302).
6. The automatic door opener mechanism of claim 1, wherein, The mounting shell (3) is arranged in a staggered mode with the mounting block (4).