Anti-mislock intelligent door lock emergency release mechanism

CN121451797BActive Publication Date: 2026-08-11WENZHOU TONGYONG LOCKS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2026-01-04
Publication Date
2026-08-11

AI Technical Summary

Technical Problem

[0005]为解决上述背景技术中提出只能通过一种方式对门锁进行解锁的问题,本发明提供了防误锁的智能门锁应急解除机构

Benefits of technology

本发明通过设置应急解除机构,当内部被反锁时,可通过点击外面板壳外部的密码,当密码正确控制离合电机带动移动杆进行下降,移动杆带动挤压块进行下降,挤压块下降时会与弧形板的顶部发生接触,使弧形板带动滑杆进行下降,弧形板带动转动板、方形套杆与插销在方壳的开口处进行横向滑动,插销移动过程中能够插入卡位在卡套块的内部,此时转动室外的外把手,外把手带动横杆、卡套块与插销进行转动,从而对门锁进行解锁工作。当在室内时,可扭动旋钮,旋钮带动齿轮进行转动,齿轮转动时带动齿板与滑块沿着滑槽的内壁进行垂直上升,齿板带动连接板进行上升,连接板上升过程中会与弧形板的底部发生接触,使弧形板带动滑杆进行上升运动,滑杆带动转动板、方形套杆与插销沿着方壳的开口处进行移动,从而卡位在卡套块的内壁处,方便进行解锁工作,该系统在设计上考虑了不同的解锁方式,确保在某一方式失效时,仍然可以通过其他方式进行解锁,提高了设备面对误锁情况进行应急解锁的可靠性。

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Abstract

This invention belongs to the field of door lock unlocking technology and discloses an emergency unlocking mechanism for an intelligent door lock to prevent accidental locking. It includes an outer panel and an inner panel. An outer handle is fixedly connected to one side of the outer wall of the outer panel, and a crossbar is fixedly connected to one side of the outer handle. The mechanism also includes an emergency unlocking mechanism. When the lock is internally locked, a password can be entered on the outside of the outer panel. When the password is correct, the clutch motor drives the moving rod to descend, which in turn drives the pressing block to descend. As the pressing block descends, it contacts the top of an arc-shaped plate, causing the arc-shaped plate to drive a sliding rod to descend. The arc-shaped plate then drives a rotating plate, a square sleeve, and a pin to slide laterally at the opening of the square shell. During this movement, the pin can insert into the slotted block. At this point, rotating the outer handle causes the crossbar, the slotted block, and the pin to rotate, thereby unlocking the door lock.
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Description

Technical Field

[0001] This invention belongs to the field of door lock release technology, specifically an emergency release mechanism for intelligent door locks to prevent accidental locking. Background Technology

[0002] An emergency unlocking mechanism for smart locks, designed to prevent accidental locking, refers to a mechanism that enables quick and secure unlocking in cases of lock malfunction, electronic system failure, or user forgetting their password. Its main function is to provide a backup method, ensuring users can enter smoothly under any circumstances without worrying about being locked out.

[0003] The prior art document CN222295979U discloses a manual safety door lock unlocking device and a safety door lock, including a lock stop and a lock hook, as well as a stop base with a lock stop fixed at the front; a base with a lock hook rotatably mounted at the front; a gear rotatably mounted at the rear of the base, the gear being fixed to the handle of the lock hook via a shaft; a guide block located at the rear of the base and movably penetrated by a gear rod, the gear rod meshing with the gear, the gear rod having an unlocking rod, and the base having an unlocking groove; and a locking mechanism for optionally fixing the gear rod and the base relative to each other. This invention releases the relative fixation between the gear rod and the base through the locking mechanism, then moves the unlocking rod downwards to drive the gear rod to rotate, causing the handle of the lock hook to rotate around the axis of the gear at the front of the base, gradually disengaging the lock hook from the lock stop. The entire unlocking process effectively reduces the probability of misoperation.

[0004] While the aforementioned application allows the lock hook to gradually disengage from the lock stop, making the unlocking process faster and more effective and reducing accidental operation, it only allows for one method of unlocking the smart lock in an emergency. This method is incomprehensible and inoperable to children, meaning that adults may not be able to enter in time if a child accidentally locks the door from the inside. This could pose a safety hazard to a child unsupervised. Summary of the Invention

[0005] To address the problem mentioned in the background art that door locks can only be unlocked in one way, this invention provides an emergency release mechanism for smart door locks that prevents accidental locking.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an emergency release mechanism for an intelligent door lock to prevent accidental locking, comprising an outer panel shell and an inner panel shell. An outer handle is fixedly connected to one side of the outer wall of the outer panel shell, and a crossbar is fixedly connected to one side of the outer handle. The mechanism also includes an emergency release mechanism, comprising an inner handle rotatably connected to one side of the outer wall of the inner panel shell. A retaining block is slidably connected to the inner wall of the inner handle. One end of the crossbar is fixedly connected to one side of the inner wall of the retaining block, and one end of the retaining block is rotatably connected to the inner wall of the inner panel shell. A circular groove is formed on one side of the inner wall of the inner panel shell, and arc-shaped blocks are slidably connected to both sides of the inner wall of the circular groove. A release component is provided at the end of each arc-shaped block for emergency unlocking of the door lock.

[0007] Preferably, the square shell is arranged in a single configuration, with a tension spring fixedly connected to one side of the inner wall of the square shell, a square sleeve rod fixedly connected to one end of the tension spring, the inner wall of the square sleeve rod being slidably connected to the outer wall of one end of the crossbar, and a pin being rotatably connected to the outer wall of one end of the square sleeve rod, with one end of the pin penetrating the square shell and extending to the inner wall of the sleeve block.

[0008] Preferably, a rotating plate is hinged to the top and bottom of one end of the square sleeve rod, and a sliding rod is hinged to the end of the rotating plate away from the square sleeve rod. One end of the sliding rod passes through the square shell and extends to the outside of the square shell, and the top of the sliding rod contacts an arc-shaped plate.

[0009] Preferably, the top of the arc-shaped plate contacts an extrusion block, the top of the extrusion block is fixedly connected to a moving rod, the top of the moving rod is fixedly connected to a clutch motor, and one side of the clutch motor is fixedly connected to one side of the inner wall of the inner panel shell.

[0010] Preferably, the outer wall of the inner panel shell is provided with a lifting assembly, the lifting assembly includes a knob rotatably connected to the bottom end of the outer wall of the inner panel shell, one end of the knob is fixedly connected to a gear, the gear is located inside the inner panel shell, a toothed plate is meshed with one side of the outer wall of the gear, and a sliding groove is provided on one side of the bottom end of the inner wall of the inner panel shell.

[0011] Preferably, a slider is fixedly connected to one side of the toothed plate, one end of the slider is slidably connected to the inner wall of the groove, a connecting plate is fixedly connected to the top of the toothed plate, the top of the connecting plate contacts the bottom of the arc-shaped plate, and two arc-shaped plates are provided.

[0012] Preferably, the end of the arc-shaped plate is provided with an auxiliary component, the auxiliary component including a rotating bar hinged to both ends of the arc-shaped plate, four rotating bars are provided, and a sliding plate is hinged to the end of the rotating bar away from the arc-shaped plate, two sliding plates are provided.

[0013] Preferably, a limiting rod is slidably connected to the inner wall of the sliding plate, one end of the limiting rod is fixedly connected to one side of the inner wall of the inner panel shell, and a first compression spring is fixedly connected to the side wall of the sliding plate, one end of the first compression spring is fixedly connected to one side of the inner wall of the inner panel shell.

[0014] Preferably, the side of the sliding plate away from the first compression spring contacts a square plate, a barrier plate is fixedly connected to one side of the square plate, one end of the barrier plate penetrates through the square shell and is slidably connected inside the square shell, and a second compression spring is fixedly connected to both ends of the side of the square plate near the barrier plate.

[0015] Preferably, one end of the second compression spring is fixedly connected to one side of the outer wall of the square shell, and both sides of the slide rod near the rotating plate are fixedly connected to a horizontal plate. A magnetic strip is fixedly connected to one side of the horizontal plate, and both the horizontal plate and the magnetic strip are disposed inside the square shell.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: This invention features an emergency release mechanism. When the interior is locked, the user can press the password on the outer panel. When the password is correct, the clutch motor lowers the moving rod, which in turn lowers the pressing block. As the pressing block descends, it contacts the top of the arc-shaped plate, causing the arc-shaped plate to lower the sliding rod. The arc-shaped plate then causes the rotating plate, square sleeve, and pin to slide laterally at the opening of the square shell. During this movement, the pin can insert into the locking position inside the sleeve block. At this point, rotating the exterior handle causes the crossbar, sleeve block, and pin to rotate, thereby unlocking the door. When indoors, the knob can be turned, which drives the gear to rotate. As the gear rotates, it causes the toothed plate and slider to rise vertically along the inner wall of the slide groove. The toothed plate drives the connecting plate to rise, and during the rise, the connecting plate will contact the bottom of the arc-shaped plate, causing the arc-shaped plate to drive the slide rod to rise. The slide rod drives the rotating plate, the square sleeve rod, and the pin to move along the opening of the square shell, thereby locking them in place on the inner wall of the sleeve block, facilitating unlocking. The system is designed with different unlocking methods in mind, ensuring that if one method fails, it can still be unlocked through other methods, thus improving the reliability of the equipment in emergency unlocking in the event of accidental locking.

[0017] This invention incorporates an emergency release mechanism. When one of the arc-shaped plates is compressed and moves, it drives the rotating bar and sliding plate to slide along the inner wall of the limiting rod. When the two sliding plates move away from each other, the traction force generated by the sliding plates moves the rotating bar and arc-shaped plates, bringing them closer together. During this process, the two arc-shaped plates simultaneously compress one end of each of the two sliding rods, causing them to move closer together and thus locking the pin inside the sleeve block. This ensures a more secure locking of the pin inside the sleeve block, reducing the risk of accidental unlocking due to vibration or other factors. Furthermore, in this situation, whether unlocking is done via password or by turning an internal knob, the stability of the device unlocking is ensured.

[0018] This invention incorporates an emergency release mechanism. When the two sliding rods approach each other, the rods move the horizontal plate and the magnetic strips, causing the two sets of initially distant magnetic strips to converge. The magnetic attraction between them controls the two sliding rods, ensuring the pin is stably locked inside the sleeve block. This prevents the arc-shaped plate from continuously pressing against the sliding rods when the pin rotates around the sleeve block, improving the stability of the device during the unlocking process. This helps prevent the pin from loosening or shifting due to external vibrations during unlocking. After unlocking, the first compression spring elastically compresses the sliding plate, causing it to reset within the limit rod. During this movement, the sliding plate presses against the square plate, causing it to slide the barrier plate into the square shell. The barrier plate isolates the two magnetic strips, preventing continuous attraction and avoiding accidental locking or misoperation due to residual magnetic force after unlocking. This makes the device easier to control and ensures the entire device quickly returns to its initial state after unlocking, facilitating future use. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall side structure of the present invention; Figure 2 This is a schematic diagram of the internal structure of the inner panel shell of the present invention; Figure 3 This is a schematic cross-sectional view of the inner handle structure of the present invention; Figure 4 For the present invention Figure 3 Enlarged view of A in the middle; Figure 5 This is a schematic diagram of the exploded structure of the clutch motor of the present invention; Figure 6 This is a schematic diagram of the front structure of the gear of the present invention; Figure 7 For the present invention Figure 7 Enlarged view of B in the middle; Figure 8This is a schematic diagram of the back structure of the square shell of the present invention; Figure 9 This is a schematic diagram of the side structure of the magnet strip of the present invention; Figure 10 This is a cross-sectional view of the external handle structure of the present invention.

[0020] In the diagram: 1. Outer panel shell; 3. Inner panel shell; 4. Emergency release mechanism; 41. Inner handle; 42. Slip block; 43. Circular groove; 44. Arc-shaped block; 45. Release assembly; 46. Lifting assembly; 47. Auxiliary assembly; 451. Square shell; 452. Tension spring; 454. Rotating plate; 455. Slide rod; 456. Arc-shaped plate; 457. Pressing block; 458. Moving rod; 459. Clutch motor; 46 1. Knob; 462. Gear; 463. Tooth plate; 464. Slide groove; 465. Slider; 466. Connecting plate; 471. Rotating bar; 472. Sliding plate; 473. Limiting rod; 474. First compression spring; 475. Square plate; 476. Second compression spring; 477. Barrier plate; 478. Horizontal plate; 479. Magnetic strip; 5. Outer handle; 6. Crossbar; 453. Square sleeve rod; 4510. Pin. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] like Figures 1 to 10 As shown, the present invention provides an emergency release mechanism for an intelligent door lock to prevent accidental locking, including an outer panel shell 1 and an inner panel shell 3. An outer handle 5 is fixedly connected to one side of the outer wall of the outer panel shell 1, and a crossbar 6 is fixedly connected to one side of the outer handle 5. The invention also includes: The emergency release mechanism 4 includes an inner handle 41 rotatably connected to one side of the outer wall of the inner panel shell 3. A retaining block 42 is slidably connected to the inner wall of the inner handle 41. One end of the crossbar 6 is fixedly connected to one side of the inner wall of the retaining block 42. One end of the retaining block 42 is rotatably connected to the inner wall of the inner panel shell 3. A circular groove 43 is provided on one side of the inner wall of the inner panel shell 3. Arc-shaped blocks 44 are slidably connected to both sides of the inner wall of the circular groove 43. A release component 45 is provided at the end of the arc-shaped block 44 for emergency unlocking of the door lock.

[0023] Using the above solution: When the inside is locked, the password on the outside of the outer panel 1 can be clicked. When the password is correct, the clutch motor 459 drives the moving rod 458 to descend. The moving rod 458 drives the pressing block 457 to descend. When the pressing block 457 descends, it will contact the top of the arc plate 456, causing the arc plate 456 to drive the sliding rod 455 to descend. The arc plate 456 drives the rotating plate 454, the square sleeve rod 453 and the pin 4510 to slide laterally at the opening of the square shell 451. During the movement, the pin 4510 can be inserted into the slotted block 42. At this time, the outer handle 5 outside the door is rotated. The outer handle 5 drives the crossbar 6, the slotted block 42 and the pin 4510 to rotate, thereby unlocking the door lock.

[0024] The square shell 451 is arranged in a certain way. A tension spring 452 is fixedly connected to one side of the inner wall of the square shell 451. One end of the tension spring 452 is fixedly connected to a square sleeve rod 453. The inner wall of the square sleeve rod 453 is slidably connected to the outer wall of one end of the crossbar 6. A pin 4510 is rotatably connected to the outer wall of one end of the square sleeve rod 453. One end of the pin 4510 passes through the square shell 451 and extends to the inner wall of the sleeve block 42.

[0025] A rotating plate 454 is hinged to the top and bottom of one end of the square sleeve rod 453. A sliding rod 455 is hinged to the end of the rotating plate 454 away from the square sleeve rod 453. One end of the sliding rod 455 passes through the square shell 451 and extends to the outside of the square shell 451. The top of the top sliding rod 455 contacts an arc-shaped plate 456.

[0026] The top of the arc plate 456 contacts the extrusion block 457, the top of the extrusion block 457 is fixedly connected to the moving rod 458, the top of the moving rod 458 is fixedly connected to the clutch motor 459, and one side of the clutch motor 459 is fixedly connected to one side of the inner wall of the inner panel shell 3.

[0027] The outer wall of the inner panel shell 3 is provided with a lifting component 46. The lifting component 46 includes a knob 461 rotatably connected to the bottom of the outer wall of the inner panel shell 3. One end of the knob 461 is fixedly connected to a gear 462. The gear 462 is located inside the inner panel shell 3. A toothed plate 463 is meshed with one side of the outer wall of the gear 462. A sliding groove 464 is provided on one side of the bottom of the inner wall of the inner panel shell 3.

[0028] A slider 465 is fixedly connected to one side of the toothed plate 463. One end of the slider 465 is slidably connected to the inner wall of the groove 464. A connecting plate 466 is fixedly connected to the top of the toothed plate 463. The top of the connecting plate 466 contacts the bottom of the arc plate 456. There are two arc plates 456.

[0029] Using the above scheme: the knob 461 can be turned, which drives the gear 462 to rotate. When the gear 462 rotates, it drives the toothed plate 463 and the slider 465 to rise vertically along the inner wall of the slide groove 464. The toothed plate 463 drives the connecting plate 466 to rise. During the rise, the connecting plate 466 will contact the bottom of the arc plate 456, causing the arc plate 456 to drive the slide rod 455 to rise. The slide rod 455 drives the rotating plate 454, the square sleeve rod 453 and the pin 4510 to move along the opening of the square shell 451, thereby locking them in place at the inner wall of the sleeve block 42, facilitating the unlocking operation.

[0030] like Figures 1 to 10 As shown, an auxiliary component 47 is provided at the end of the arc plate 456. The auxiliary component 47 includes a rotating bar 471 hinged to both ends of the arc plate 456. There are four rotating bars 471. A sliding plate 472 is hinged to the end of the rotating bar 471 away from the arc plate 456. There are two sliding plates 472.

[0031] A limiting rod 473 is slidably connected to the inner wall of the sliding plate 472. One end of the limiting rod 473 is fixedly connected to one side of the inner wall of the inner panel shell 3. A first compression spring 474 is fixedly connected to the side wall of the sliding plate 472. One end of the first compression spring 474 is fixedly connected to one side of the inner wall of the inner panel shell 3.

[0032] Using the above scheme: when one of the arc-shaped plates 456 is squeezed and moves, the arc-shaped plate 456 drives the rotating bar 471 and the sliding plate 472 to slide along the inner wall of the limiting rod 473. When the two sliding plates 472 move away from each other, the traction force generated by the sliding plate 472 can drive the rotating bar 471 and the arc-shaped plate 456 to move, so that the two arc-shaped plates 456 move closer to each other. During the process of the two arc-shaped plates 456 moving closer to each other, they can squeeze one end of the two sliding rods 455 at the same time, so that the two sliding rods 455 move closer to each other, thereby making the pin 4510 locked inside the sleeve block 42.

[0033] The side of the sliding plate 472 away from the first compression spring 474 is in contact with a square plate 475. A barrier plate 477 is fixedly connected to one side of the square plate 475. One end of the barrier plate 477 passes through the square shell 451 and is slidably connected inside the square shell 451. A second compression spring 476 is fixedly connected to both ends of the side of the square plate 475 near the barrier plate 477.

[0034] Using the above scheme: After unlocking is completed, the sliding plate 472 is elastically compressed by the first compression spring 474. The first compression spring 474 drives the sliding plate 472 to perform a reset movement on the inner wall of the limiting rod 473. During the movement of the sliding plate 472, it will compress the square plate 475, causing the square plate 475 to drive the barrier plate 477 to slide into the interior of the square shell 451.

[0035] One end of the second compression spring 476 is fixedly connected to one side of the outer wall of the square shell 451. The slide rod 455 is fixedly connected to both sides of the end near the rotating plate 454 with a horizontal plate 478. A magnetic strip 479 is fixedly connected to one side of the horizontal plate 478. The horizontal plate 478 and the magnetic strip 479 are both located inside the square shell 451.

[0036] Using the above scheme: when the two slide rods 455 approach each other, the slide rods 455 drive the horizontal plate 478 and the magnetic strip 479 to move. The two sets of magnetic strips 479 that are far apart approach each other and are attracted by each other by magnetic force. This can control the two slide rods 455 to drive the pin 4510 to be stably locked inside the sleeve block 42, preventing the arc plate 456 from continuously squeezing the slide rod 455 when the pin 4510 rotates around the sleeve block 42.

[0037] Working principle and usage process of this invention: When the inside is locked, the password can be entered by clicking on the outside of the outer panel 1. When the password is correct, the clutch motor 459 drives the moving rod 458 to descend. The moving rod 458 drives the pressing block 457 to descend. When the pressing block 457 descends, it will contact the top of the arc plate 456, causing the arc plate 456 to drive the sliding rod 455 to descend. The arc plate 456 drives the rotating plate 454, the square sleeve rod 453 and the pin 4510 to slide laterally at the opening of the square shell 451. During the movement, the pin 4510 can be inserted into the slotted block 42. At this time, the outside handle 5 is rotated. The outside handle 5 drives the crossbar 6, the slotted block 42 and the pin 4510 to rotate, thereby unlocking the door lock. The outdoor handle 5 does not directly drive the card sleeve block 42. Instead, it sends an electronic signal to the clutch motor 459 in the device after verifying the password, and drives the clutch motor 459 to operate, ensuring that the outdoor handle has the effect of "opening the door". The card sleeve block 42 of this device has a square hollowed-out structure, and one end of the pin 4510 is square. The connection between the pin 4510 and the card sleeve block 42 in the emergency release mechanism is a square plug-in method. After the two are plugged in, since the card sleeve block 42 is related to the driving component in the latch module, when the pin 4510 drives the card sleeve block 42 to operate, the card sleeve block 42 will simultaneously operate the latch module, thereby controlling the opening of the door lock. When indoors, knob 461 can be turned, which drives gear 462 to rotate. When gear 462 rotates, it drives toothed plate 463 and slider 465 to rise vertically along the inner wall of slide groove 464. Toothed plate 463 drives connecting plate 466 to rise. During the rise, connecting plate 466 will contact the bottom of arc plate 456, causing arc plate 456 to drive slide rod 455 to rise. Slide rod 455 drives rotating plate 454, square sleeve rod 453 and pin 4510 to move along the opening of square shell 451, thereby locking in place at the inner wall of sleeve block 42, facilitating unlocking. The system is designed with different unlocking methods in mind, ensuring that if one method fails, it can still be unlocked by other methods, improving the reliability of emergency unlocking in the event of accidental locking.

[0038] When one of the arc-shaped plates 456 is compressed and moves, the arc-shaped plate 456 drives the rotating bar 471 and the sliding plate 472 to slide along the inner wall of the limiting rod 473. When the two sliding plates 472 move away from each other, the traction force generated by the sliding plate 472 can drive the rotating bar 471 and the arc-shaped plate 456 to move, causing the two arc-shaped plates 456 to move closer together. During the process of the two arc-shaped plates 456 moving closer together, they can simultaneously compress one end of each of the two sliding rods 455, causing the two sliding rods 455 to move closer together, thereby making the pin 4510 lock into the sleeve block 42. This ensures that the pin 4510 is more securely locked into the sleeve block 42, thereby reducing the risk of accidental unlocking due to vibration or other factors. In this case, whether unlocking is done by password or by turning the internal knob 461, the stability of the device unlocking is ensured.

[0039] When the two sliding rods 455 approach each other, they drive the horizontal plate 478 and the magnetic strip 479 to move. The two sets of initially distant magnetic strips 479 then approach each other, attracted by magnetic force. This controls the two sliding rods 455 to stably engage the pin 4510 inside the sleeve block 42. This prevents the arc-shaped plate 456 from continuously pressing against the sliding rods 455 when the pin 4510 rotates around the sleeve block 42, thus improving the stability of the device during the unlocking process. This helps prevent the pin 4510 from loosening or shifting due to external vibrations during unlocking. After unlocking, the sliding plate 472 is elastically compressed by the first compression spring 474, which drives the sliding plate 472 to reset on the inner wall of the limit rod 473. During the movement of the sliding plate 472, it will compress the square plate 475, causing the square plate 475 to drive the barrier plate 477 to slide into the inside of the square shell 451. During the movement of the barrier plate 477, it isolates the two magnetic strips 479 to prevent them from continuously attracting each other. This avoids accidental locking or misoperation caused by magnetic residue after unlocking, making the device easier to control and ensuring that the entire device can quickly return to its initial state after unlocking for convenient use next time.

[0040] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0041] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An emergency release mechanism for an intelligent door lock designed to prevent accidental locking, comprising an outer panel shell (1) and an inner panel shell (3), wherein an outer handle (5) is fixedly connected to one side of the outer wall of the outer panel shell (1), and a crossbar (6) is fixedly connected to one side of the outer handle (5), characterized in that: Also includes; An emergency release mechanism (4) includes an inner handle (41) rotatably connected to one side of the outer wall of the inner panel shell (3). A retaining block (42) is slidably connected to the inner wall of the inner handle (41). One end of the crossbar (6) is fixedly connected to one side of the inner wall of the retaining block (42). One end of the retaining block (42) is rotatably connected to the inner wall of the inner panel shell (3). A circular groove (43) is provided on one side of the inner wall of the inner panel shell (3). Arc-shaped blocks (44) are slidably connected to both sides of the inner wall of the circular groove (43). A release component (45) is provided at the end of the arc-shaped block (44) for emergency unlocking of the door lock. The release assembly (45) includes a square shell (451) disposed at one end of the arc-shaped block (44). The square shell (451) is arranged in a single configuration. A tension spring (452) is fixedly connected to one side of the inner wall of the square shell (451). A square sleeve rod (453) is fixedly connected to one end of the tension spring (452). The inner wall of the square sleeve rod (453) is slidably connected to the outer wall of one end of the crossbar (6). A pin (4510) is rotatably connected to the outer wall of one end of the square sleeve rod (453). One end of the pin (4510) passes through the square shell (451) and extends to the inner wall of the sleeve block (42). A rotating plate (454) is hinged to the top and bottom of one end of the square sleeve rod (453). A sliding rod (455) is hinged to the end of the rotating plate (454) away from the square sleeve rod (453). One end of the sliding rod (455) penetrates through the square shell (451) and extends to the outside of the square shell (451). The top of the sliding rod (455) contacts an arc plate (456). The top of the arc plate (456) is in contact with an extrusion block (457), the top of the extrusion block (457) is fixedly connected to a moving rod (458), the top of the moving rod (458) is fixedly connected to a clutch motor (459), and one side of the clutch motor (459) is fixedly connected to one side of the inner wall of the inner panel shell (3).

2. The emergency release mechanism for the intelligent door lock against accidental locking according to claim 1, characterized in that: The outer wall of the inner panel shell (3) is provided with a lifting assembly (46). The lifting assembly (46) includes a knob (461) rotatably connected to the bottom of the outer wall of the inner panel shell (3). One end of the knob (461) is fixedly connected to a gear (462). The gear (462) is located inside the inner panel shell (3). A toothed plate (463) is meshed with one side of the outer wall of the gear (462). A sliding groove (464) is provided on one side of the bottom of the inner wall of the inner panel shell (3).

3. The emergency release mechanism for the intelligent door lock against accidental locking according to claim 2, characterized in that: A slider (465) is fixedly connected to one side of the toothed plate (463). One end of the slider (465) is slidably connected to the inner wall of the groove (464). A connecting plate (466) is fixedly connected to the top of the toothed plate (463). The top of the connecting plate (466) contacts the bottom of the arc plate (456). There are two arc plates (456).

4. The emergency release mechanism for the intelligent door lock against accidental locking according to claim 3, characterized in that: An auxiliary component (47) is provided at the end of the arc plate (456). The auxiliary component (47) includes a rotating bar (471) hinged to both ends of the arc plate (456). There are four rotating bars (471). A sliding plate (472) is hinged to one end of the rotating bar (471) away from the arc plate (456). There are two sliding plates (472).

5. The emergency release mechanism for the intelligent door lock against accidental locking according to claim 4, characterized in that: The inner wall of the sliding plate (472) is slidably connected to a limiting rod (473), one end of which is fixedly connected to one side of the inner wall of the inner panel shell (3). The side wall of the sliding plate (472) is fixedly connected to a first compression spring (474), one end of which is fixedly connected to one side of the inner wall of the inner panel shell (3).

6. The emergency release mechanism for the intelligent door lock against accidental locking according to claim 5, characterized in that: The sliding plate (472) is in contact with a square plate (475) on the side away from the first compression spring (474). A barrier plate (477) is fixedly connected to one side of the square plate (475). One end of the barrier plate (477) penetrates the square shell (451) and is slidably connected inside the square shell (451). Both ends of the square plate (475) near the barrier plate (477) are fixedly connected to a second compression spring (476).

7. The emergency release mechanism for the intelligent door lock against accidental locking according to claim 6, characterized in that: One end of the second compression spring (476) is fixedly connected to one side of the outer wall of the square shell (451). The slide rod (455) is fixedly connected to both sides of the end near the rotating plate (454) with a horizontal plate (478). A magnet strip (479) is fixedly connected to one side of the horizontal plate (478). The horizontal plate (478) and the magnet strip (479) are both located inside the square shell (451).

Citation Information

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