Lock catch mechanism of automatic vertical hinged door of elevator
Through the linkage mechanism of multi-channel fixing components and servo motor drive, the problem of insufficient stability of the elevator automatic swing door lock is solved, and the multiple fixing of the lock and automatic cleaning of the door body are realized, which improves safety and cleanliness.
Patent Information
- Application Number
- CN202510629838.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-16
- Publication Date
- 2025-08-01
AI Technical Summary
The locking mechanism of the existing elevator automatic swing door is insufficient through a fixed component, which affects the safety and user experience of the door.
The linkage mechanism driven by multiple fixing components and servo motor is adopted to achieve multiple fixing through the linkage of the fixing rod, fixing seat, bevel gear and belt, which enhances the stability of the lock, and drives the cleaning brush to clean the door body through the moving components.
It improves the stability of the lock, prevents the door body from being opened accidentally, and at the same time improves the cleanliness of the door body and enhances the user experience.
Smart Images

Figure CN120397867A_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of elevator automatic side-opening doors, and more particularly, to a latch mechanism for an elevator automatic side-opening door. Background Art
[0002] With the improvement of people's living standards, more and more residential buildings are equipped with household lift cars. To save installation space, household lift cars generally use side-opening doors. A side-opening door generally includes a door frame and a door leaf, and a latch mechanism for locking the closed door leaf is installed on each door leaf.
[0003] The structure of the product can refer to a latch mechanism for an elevator automatic side-opening door disclosed in Chinese Patent Document No. 202220411999.9. Specifically, it includes a vertical plate. There is a movable block on one side of the vertical plate. The movable block is in an up-and-down movable fit with the vertical plate. A vertically downwardly arranged latch is fixed to the bottom of the movable block. There is a sector gear on one side of the vertical plate. The sector gear is parallel to the vertical plate. The sector gear is connected to the vertical plate through a support shaft. The sector gear is connected to a drive motor for driving its rotation. The sector gear and the movable block are in the same vertical plane. The sector gear has convex teeth protruding radially outward. There is a notch on the vertical side surface of the movable block corresponding to the convex teeth. The outer end of the convex tooth extends into the notch. The automation degree of this latch mechanism is high, which conforms to the use concept of an Internet of Things residence.
[0004] However, in this patent, the latch is only fixed by a single fixing component, so that the fixing stability cannot reach the best, thus reducing the stability.
[0005] Now, a latch mechanism for an elevator automatic side-opening door is provided. Summary of the Invention
[0006] The content part of this application is used to introduce the concepts in a brief form, and these concepts will be described in detail in the following detailed implementation part. The content part of this application is not intended to identify the key features or essential features of the claimed technical solution, nor is it intended to limit the scope of the claimed technical solution.
[0007] To solve the technical problems mentioned in the above background art section, some embodiments of the present application provide a latch mechanism for an elevator automatic sliding door, including: a connecting frame; a door body movably arranged on the connecting frame; three connecting seats evenly and fixedly connected to the connecting frame; a fixing rod fixedly connected to the connecting frame; a fixing hole opened on the fixing rod; a plurality of mounting seats corresponding to the connecting seats; a mounting groove opened on the mounting seat, and the end of the fixing rod is movably arranged on the mounting groove; a fixing component arranged on the mounting seat and corresponding to the fixing hole; a placing seat fixedly connected to the door body; a cleaning brush movably arranged on the placing seat, and the cleaning brush is detachably mounted on the placing seat and corresponds to the door body; a sliding groove opened on the placing seat; a moving rod slidably mounted on the sliding groove, and the moving rod is detachably mounted to the cleaning brush; a moving component arranged on the placing seat for moving the cleaning brush back and forth.
[0008] When the door body is closed, at this time the fixing rod enters the fixing groove, and at this time the servo motor can be started, so that the output shaft of the servo motor drives the fixing seat to move, so that the fixing strip moves and enters the fixing hole, so as to fix the middle fixing rod. At the same time, the double-shaft servo motor drives the second fixing screw to rotate, so that the upper fixing seat rises, so as to drive the upper fixing seat to rise, and it is also fixed by the fixing strip. At the same time, under the action of the first bevel gear and the second bevel gear, the rotating rod rotates, and under the action of the first disc and the first belt, the lower rotating rod rotates, and under the action of the lower first bevel gear and the second bevel gear, the third fixing screw rotates, so that the lower fixing seat descends, and it is also fixed by inserting the fixing strip into the fixing hole, further improving the stability of the latch and preventing the door body from being opened. At the same time, when the output shaft of the double-shaft servo motor rotates, under the action of the third bevel gear and the fourth bevel gear, the mounting shaft rotates, and under the action of the second disc and the second belt, the lead screw rotates back and forth. Since the lead screw is threadedly connected to the moving rod, the moving rod moves back and forth, driving the cleaning brush to move back and forth to clean the door body, thereby improving the cleanliness of the door body.
[0009] Further, the fixing component includes a biaxial servo motor, which is fixedly connected to the mounting seat in the middle. A fixing seat is slidably mounted on the mounting groove, and a fixing strip corresponding to the fixing hole is fixedly connected to the bottom of the fixing seat. A first fixing screw is fixedly connected to the output shaft of the biaxial servo motor, and the first fixing screw is threadedly connected to the fixing seat. The upper fixing seat is arranged at the bottom of the mounting seat, and a second fixing screw is fixedly connected to the other output shaft of the biaxial servo motor, and the second fixing screw is threadedly connected to the upper fixing seat. A connecting strip is fixedly connected to the door body, and a third fixing screw is rotatably mounted on the connecting strip, and the third fixing screw is threadedly connected to the fixing seat below the lower end. A first linkage assembly is arranged between the third fixing screw and the output shaft of the biaxial servo motor.
[0010] Further, the first linkage assembly includes a first bevel gear and a second bevel gear. The first bevel gears are respectively fixedly connected to the third fixing screw and the output shaft of the biaxial servo motor. Two corresponding strips are fixedly connected to the door body, and a rotating rod is rotatably mounted on the corresponding strip. The second bevel gear is fixedly connected to the rotating rod. The first bevel gear meshes with the second bevel gear, and a second linkage assembly is arranged between the two rotating rods.
[0011] Further, the second linkage assembly includes two first discs and a first belt. The two first discs are respectively fixedly connected to the two rotating rods, and the first belt is drivingly mounted between the two first discs.
[0012] Further, the moving component includes a lead screw, which is rotatably mounted between the two inner walls of the sliding groove, and the lead screw is threadedly connected to the moving rod. A second linkage assembly is arranged between the lead screw and the output shaft of the biaxial servo motor.
[0013] Further, the second linkage assembly includes a third bevel gear and a fourth bevel gear. A corresponding frame is fixedly connected to the door body, and a mounting shaft is rotatably mounted on the corresponding frame. The fourth bevel gear is fixedly connected to the mounting shaft, and the third bevel gear is fixedly connected to the output shaft of the biaxial servo motor. A second linkage assembly is arranged between the mounting shaft and the lead screw.
[0014] Further, the second linkage assembly includes two second discs and a second belt. The two second discs are respectively fixedly connected to the mounting shaft and the lead screw, and the second belt is drivingly mounted between the two second discs.
[0015] Further, a connecting piece is fixedly connected to the moving rod, and a fixing bolt is threadedly connected to the connecting piece, and the fixing bolt is threadedly connected to the cleaning brush.
[0016] Further, there are two fixing screws and two connecting pieces.
[0017] Furthermore, a guiding groove is formed on the cleaning brush, and a guiding block corresponding to the guiding groove is fixedly connected to the moving rod.
[0018] The beneficial effects of the present application are as follows: When the door body is closed, the fixed rod enters the fixed groove at this time, and the servo motor can be started at this time, so that the output shaft of the servo motor drives the fixed seat to move, so that the fixed strip moves and enters the fixing hole, so as to fix the middle fixed rod. At the same time, the double-shaft servo motor drives the second fixing screw to rotate, so that the upper fixed seat rises, so as to drive the upper fixed seat to rise, and it is also fixed by the fixed strip. At the same time, under the action of the first bevel gear and the second bevel gear, the rotating rod rotates, and under the action of the first disc and the first belt, the lower rotating rod rotates, and under the action of the lower first bevel gear and the second bevel gear, the third fixing screw rotates, so that the lower fixed seat descends, and it is also fixed by inserting the fixed strip into the fixing hole, thereby further improving the stability of the buckle and preventing the door body from being opened. At the same time, when the output shaft of the double-shaft servo motor rotates, under the action of the third bevel gear and the fourth bevel gear, the mounting shaft rotates, and under the action of the second disc and the second belt, the lead screw rotates back and forth. Since the lead screw is threadedly connected to the moving rod, the moving rod moves back and forth, driving the cleaning brush to move back and forth, thereby cleaning the door body and improving the cleanliness of the door body. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The accompanying drawings that form a part of this application are used to provide a further understanding of this application, making other features, objectives, and advantages of this application more obvious. The schematic embodiments and descriptions of the accompanying drawings of this application are used to explain this application and do not constitute an improper limitation of this application.
[0020] In addition, throughout the drawings, the same or similar reference numerals denote the same or similar elements. It should be understood that the drawings are schematic and the elements and elements are not necessarily drawn to scale.
[0021] In the drawings:
[0022] Figure 1 is the overall schematic diagram according to the embodiment of the present application;
[0023] Figure 2 is the three-dimensional structure schematic diagram;
[0024] Figure 3 is the cross-sectional view;
[0025] Figure 4 is the cross-sectional view of the cleaning brush;
[0026] Figure 5 is Figure 2 the enlarged view of part A of
[0027] Figure 6 is Figure 3 an enlarged view of part B of
[0028] Figure 7 is Figure 3 an enlarged view of part C of
[0029] Figure 8 is Figure 3 an enlarged view of part D of
[0030] Reference numerals:
[0031] 1. Door body; 2. Connecting frame; 3. First belt; 4. Placing seat; 5. Lead screw; 6. Installation groove; 7. Fixed rod; 8. Connecting seat; 9. Mounting seat; 10. Biaxial servo motor; 11. Chute; 12. Moving rod; 13. Corresponding strip; 14. Rotating rod; 15. First disc; 16. Connecting strip; 17. Third fixing screw; 18. First bevel gear; 19. Second bevel gear; 20. Mounting shaft; 21. Second disc; 22. Second belt; 23. Corresponding frame; 24. Fourth bevel gear; 25. Third bevel gear; 26. Fixing bolt; 27. Connecting piece; 28. Fixed seat; 29. Cleaning brush; 30. Fixing hole; 31. Fixing strip; 32. First fixing screw; 33. Guide groove; 34. Guide block; 35. Second fixing screw. Detailed implementation manners
[0032] The embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings. Although some embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. On the contrary, these embodiments are provided to more thoroughly and completely understand the present disclosure. It should be understood that the accompanying drawings and embodiments of the present disclosure are only for exemplary purposes and are not used to limit the protection scope of the present disclosure.
[0033] In addition, it should be noted that, for the sake of convenience of description, only the parts related to the relevant invention are shown in the accompanying drawings. Without conflict, the embodiments in the present disclosure and the features in the embodiments can be combined with each other.
[0034] It should be noted that the concepts such as "first" and "second" mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order of functions performed by these devices, modules or units or their interdependent relationships.
[0035] It should be noted that the modifications of "one" and "multiple" mentioned in the present disclosure are illustrative rather than restrictive. Those skilled in the art should understand that, unless otherwise clearly specified in the context, it should be understood as "one or more".
[0036] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.
[0037] Referring to Figure 1-8 , a locking mechanism for an automatic sliding door of an elevator, comprising: a connecting frame 2, a door body 1, a connecting seat 8, an installation groove 6, a fixing component, a placing seat 4, a cleaning brush 29, a sliding groove 11, a moving rod 12, and a moving component. The door body 1 is movably arranged on the connecting frame 2. The connecting seats 8 are provided in three and are uniformly fixed on the connecting frame 2. A fixing rod 7 is fixed on the connecting frame 2. A fixing hole 30 is opened on the fixing rod 7. A plurality of mounting seats 9 are provided and correspond to the connecting seats 8. The installation groove 6 is opened on the mounting seat 9, and the end of the fixing rod 7 is movably arranged in the installation groove 6. The fixing component is arranged on the mounting seat 9 and corresponds to the fixing hole 30. The placing seat 4 is fixed on the door body 1. The cleaning brush 29 is movably arranged on the placing seat 4, and the cleaning brush 29 is detachably installed on the placing seat 4 and corresponds to the door body 1. The sliding groove 11 is opened on the placing seat 4. The moving rod 12 is slidably installed in the sliding groove 11, and the moving rod 12 is detachably installed with the cleaning brush 29. The moving component is arranged on the placing seat 4 for moving the cleaning brush 29 back and forth.
[0038] The fixing component includes a double-shaft servo motor 10. The double-shaft servo motor 10 is fixed on the middle mounting seat 9. A fixing seat 28 is slidably installed in the installation groove 6, and a fixing strip 31 corresponding to the fixing hole 30 is fixed at the bottom of the fixing seat 28. A first fixing screw 32 is fixed on the output shaft of the double-shaft servo motor 10, and the first fixing screw 32 is threadedly connected with the fixing seat 28. The upper fixing seat 28 is arranged at the bottom of the mounting seat 9, and a second fixing screw 35 is fixed on the other output shaft of the double-shaft servo motor 10, and the second fixing screw 35 is threadedly connected with the upper fixing seat 28. A connecting strip 16 is fixed on the door body 1, and a third fixing screw 17 is rotatably installed on the connecting strip 16, and the third fixing screw 17 is threadedly connected with the lower fixing seat 28, and a first linkage component is arranged between the third fixing screw 17 and the output shaft of the double-shaft servo motor 10.
[0039] The first linkage component includes a first bevel gear 18 and a second bevel gear 19. The first bevel gear 18 is respectively fixed on the third fixing screw 17 and the output shaft of the double-shaft servo motor 10. Two corresponding strips 13 are fixed on the door body 1, and a rotating rod 14 is rotatably installed on the corresponding strip 13, and the second bevel gear 19 is fixed on the rotating rod 14. The first bevel gear 18 meshes with the second bevel gear 19, and a second linkage component is arranged between the two rotating rods 14.
[0040] The second linkage component includes two first discs 15 and a first belt 3. The two first discs 15 are respectively fixed on the two rotating rods 14, and the first belt 3 is drivingly installed between the two first discs 15.
[0041] The moving assembly includes a screw rod 5 , which is rotatably installed between the two inner walls of the slide groove 11 and is threadedly connected to the moving rod 12 . A second linkage assembly is provided between the screw rod 5 and the output shaft of the dual-axis servo motor 10 .
[0042] The second linkage assembly includes a third bevel gear 25 and a fourth bevel gear 24. A corresponding frame 23 is fixedly connected to the door body 1, and a mounting shaft 20 is rotatably mounted on the corresponding frame 23. The fourth bevel gear 24 is fixedly connected to the mounting shaft 20, and the third bevel gear 25 is fixedly connected to the output shaft of the dual-axis servo motor 10, and a second linkage assembly is arranged between the mounting shaft 20 and the screw rod 5.
[0043] The second linkage assembly includes two second discs 21 and a second belt 22 . The two second discs 21 are fixed on the mounting shaft 20 and the screw rod 5 , respectively. The second belt 22 is installed between the two second discs 21 .
[0044] A connecting piece 27 is fixed to the movable rod 12, and a fixing bolt 26 is threadedly connected to the connecting piece 27. The fixing bolt 26 is threadedly connected to the cleaning brush 29. There are two fixing screws and two connecting pieces 27. The cleaning brush 29 has a guide groove 33, and a guide block 34 corresponding to the guide groove 33 is fixed to the movable rod 12.
[0045] Working process: When the door body 1 is closed, the fixing rod 7 enters the fixing groove, and the servo motor can be started at this time, so that the output shaft of the servo motor drives the fixing seat 28 to move, so that the fixing bar 31 moves and enters the fixing hole 30, thereby fixing the middle fixing rod 7. At the same time, the dual-axis servo motor 10 drives the second fixing screw 35 to rotate, so that the upper fixing seat 28 rises, thereby driving the upper fixing seat 28 to rise, and thus fixing it through the fixing bar 31. At the same time, under the action of the first bevel gear 18 and the second bevel gear 19, the rotating rod 14 rotates, and under the action of the first disc 15 and the first belt 3, the lower rotating rod 14 rotates, and the first bevel gear 18 at the bottom And under the action of the second bevel gear 19, the third fixed screw 17 rotates, so that the fixed seat 28 below descends, and is also inserted into the fixing hole 30 through the fixing bar 31 to fix it, thereby further improving the stability of the lock and preventing the door body 1 from being opened. At the same time, when the output shaft of the dual-axis servo motor 10 rotates, under the action of the third bevel gear 25 and the fourth bevel gear 24, the mounting shaft 20 rotates, and under the action of the second disc 21 and the second belt 22, the screw rod 5 rotates back and forth. Since the screw rod 5 is threadedly connected to the moving rod 12, the moving rod 12 moves back and forth, thereby driving the cleaning brush 29 to move back and forth, thereby cleaning the door body 1, thereby improving the cleanliness of the door body 1.
[0046] The above description is only some preferred embodiments of the present disclosure and an explanation of the applied technical principles. Those skilled in the art should understand that the scope of the invention involved in the embodiments of the present disclosure is not limited to the technical solutions formed by the specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the above inventive concept. For example, the technical solutions formed by mutually replacing the above features with the technical features (but not limited to) disclosed in the embodiments of the present disclosure that have similar functions.
Claims
1. A locking mechanism for an automatic sliding door of an elevator, comprising: A connecting frame; A door body, movably arranged on the connecting frame; It is characterized in that: The locking mechanism for the automatic sliding door of the elevator further comprises: Three connecting seats, evenly and fixedly connected to the connecting frame; A fixing rod, fixedly connected to the connecting frame; A fixing hole, opened on the fixing rod; Multiple mounting seats, corresponding to the connecting seats; A mounting groove, opened on the mounting seat, and the end of the fixing rod is movably arranged on the mounting groove; A fixing component, arranged on the mounting seat, and the fixing component corresponds to the fixing hole; A placing seat, fixedly connected to the door body; A cleaning brush, movably arranged on the placing seat, and the cleaning brush is detachably installed on the placing seat, and the cleaning brush corresponds to the door body; A sliding groove, opened on the placing seat; A moving rod, slidably installed on the sliding groove, and the moving rod is detachably installed with the cleaning brush A moving component, arranged on the placing seat, for moving the cleaning brush back and forth.
2. The locking mechanism for the automatic sliding door of the elevator according to claim 1, characterized in that: The fixing component includes a double-shaft servo motor, the double-shaft servo motor is fixedly connected to the middle mounting seat, a fixing seat is slidably installed on the mounting groove, and a fixing strip corresponding to the fixing hole is fixedly connected to the bottom of the fixing seat. A first fixing screw is fixedly connected to the output shaft of the double-shaft servo motor, and the first fixing screw is threadedly connected to the fixing seat. The upper fixing seat is arranged at the bottom of the mounting seat, and a second fixing screw is fixedly connected to the other output shaft of the double-shaft servo motor, and the second fixing screw is threadedly connected to the upper fixing seat. A connecting strip is fixedly connected to the door body, and a third fixing screw is rotatably installed on the connecting strip, and the third fixing screw is threadedly connected to the fixing seat below the lower end, and a first linkage component is arranged between the third fixing screw and the output shaft of the double-shaft servo motor.
3. The locking mechanism for the automatic sliding door of the elevator according to claim 2, characterized in that: The first linkage component includes a first bevel gear and a second bevel gear. The first bevel gears are respectively fixedly connected to the third fixing screw and the output shaft of the double-shaft servo motor. Two corresponding strips are fixedly connected to the door body, and a rotating rod is rotatably installed on the corresponding strip, and the second bevel gear is fixedly connected to the rotating rod. The first bevel gear meshes with the second bevel gear, and a second linkage component is arranged between the two rotating rods.
4. The locking mechanism for the automatic sliding door of the elevator according to claim 3, characterized in that: The second linkage component includes two first discs and a first belt. The two first discs are respectively fixedly connected to the two rotating rods, and the first belt is drivingly installed between the two first discs.
5. The locking mechanism for the automatic sliding door of the elevator according to claim 1, characterized in that: The moving component includes a lead screw, the lead screw is rotatably installed between the two inner walls of the sliding groove, and the lead screw is threadedly connected to the moving rod. A second linkage component is arranged between the lead screw and the output shaft of the double-shaft servo motor.
6. The locking mechanism for the automatic sliding door of the elevator according to claim 5, characterized in that: The second linkage assembly includes a third bevel gear and a fourth bevel gear. A corresponding bracket is fixedly connected to the door body. A mounting shaft is rotatably installed on the corresponding bracket, and the fourth bevel gear is fixedly connected to the mounting shaft. The third bevel gear is fixedly connected to the output shaft of the dual-axis servo motor. A second linkage assembly is provided between the mounting shaft and the lead screw.
7. The latch mechanism of the elevator automatic sliding door according to claim 6, wherein: The second linkage assembly includes two second discs and a second belt. The two second discs are respectively fixedly connected to the mounting shaft and the lead screw, and the second belt is drivingly installed between the two second discs.
8. The latch mechanism of the elevator automatic sliding door according to claim 1, wherein: A connecting piece is fixedly connected to the moving rod, and a fixing bolt is threadedly connected to the connecting piece, and the fixing bolt is threadedly connected to the cleaning brush.
9. The latch mechanism of the elevator automatic sliding door according to claim 8, wherein: Both the fixing screw and the connecting piece are provided in two.
10. The latch mechanism of the elevator automatic sliding door according to claim 8, wherein: A guiding groove is formed in the cleaning brush, and a guiding block corresponding to the guiding groove is fixedly connected to the moving rod.
Citation Information
Patent Citations
Lock catch mechanism for automatic vertical hinged door of elevator
CN217024951U