A type of access control lock
By installing protective top and side plates on the rear panel of the access control lock, the lock body and controller are protected, solving the problem of the electronic lock components being susceptible to moisture and impact. This achieves higher waterproof and impact resistance, improving the reliability and service life of the lock.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CYG CONTRON
- Filing Date
- 2025-07-24
- Publication Date
- 2026-07-17
AI Technical Summary
The electronic lock components and controllers of existing access control locks are susceptible to external moisture and dust intrusion, and are also easily affected by accidental impacts, resulting in reduced reliability and service life.
A protective top plate and protective side plate are installed on the rear panel of the access control lock to cover the lock body and controller, providing waterproof and impact protection. The cables are also sealed with cable protection covers, and the mechanical lock cylinder and wake-up button are combined to improve security and reliability.
It effectively prevents external rain, dust and impacts from affecting the lock body and controller, improving the waterproof and impact-resistant performance of access control locks, and enhancing their security and service life.
Smart Images

Figure CN224514919U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of lock technology, and in particular to an access control lock. Background Technology
[0002] With the widespread application of smart door locks, access control systems are now widely used in residences, office buildings, and other locations. These access control locks typically include a front panel and a rear panel installed on both the inside and outside of the door. The rear panel houses the electronic lock assembly and controller for automatic door opening and closing. To address power outages or electronic malfunctions, some access control locks incorporate a mechanical lock cylinder on the front panel, providing both mechanical and electronic unlocking methods to enhance security and reliability.
[0003] In existing technologies, electronic lock components and controllers are often directly exposed on the back panel or merely covered by a housing. In actual use, these critical components may be affected by external moisture, dust intrusion, or accidental impacts, which can affect their normal operation and reduce the reliability and lifespan of the lock.
[0004] Therefore, a door access lock with good waterproof and impact-resistant properties needs to be designed. Utility Model Content
[0005] The purpose of this utility model is to provide an access control lock that addresses the defects and shortcomings of the existing technology, thereby solving at least one of the aforementioned technical problems. It has the advantages of good waterproof and collision-resistant performance.
[0006] To achieve the above objectives, this utility model provides an access control lock, comprising:
[0007] Front panel, installed on the outside of the door;
[0008] Rear panel, installed on the inside of the door;
[0009] An electronically controlled lock assembly includes a lock body mounted on the rear panel and a lock seat mounted on one side of the lock body and cooperating with the lock body;
[0010] A mechanical lock cylinder is installed on the front panel and connected to the bolt of the lock body, used to drive the bolt to achieve mechanical unlocking and locking;
[0011] The controller is installed on the rear panel and electrically connected to the lock body, and is used to control the lock tongue of the lock body to achieve electric unlocking and locking.
[0012] The rear panel has a protective upper plate extending away from the door and located above the lock body and the controller, which provides waterproof and impact-resistant protection for the lock body and the controller.
[0013] Optionally, the controller is arranged side by side with the lock body, and the rear panel has a protective side plate extending in the direction away from the door on the side of the controller away from the lock body for lateral protection of the controller.
[0014] Optionally, the protective upper plate and the protective side plate are integrally bent and formed with the rear panel.
[0015] Optionally, the controller and the lock body are electrically connected by a cable; a cable protection cover installed on the rear panel is provided between the controller and the lock body to cover the cable between the controller and the lock body.
[0016] Optionally, the front panel is provided with a wake-up button electrically connected to the controller, used to wake up the controller before electric unlocking.
[0017] Optionally, the front panel is provided with a mounting protrusion, the mechanical lock cylinder and the wake-up button are assembled in the mounting protrusion, and the key insertion area of the mechanical lock cylinder and the pressing surface of the wake-up button are exposed on the outer surface of the mounting protrusion.
[0018] Optionally, the key insertion area of the mechanical lock cylinder is provided with a rotatable dust cover for opening or covering the key insertion area.
[0019] Optionally, one of the front panel or the rear panel has a stud on one side of its fitting door, and the other has a through hole at a corresponding position; it also includes screws that pass through the through hole and are threadedly connected to the stud, for fixing the front panel and the rear panel to both sides of the door.
[0020] Optionally, the front panel is provided with an integrally formed first handle, and the rear panel is provided with an integrally formed second handle.
[0021] Optionally, the controller includes a housing, a PCB motherboard installed inside the housing, and a battery electrically connected to the PCB motherboard; the PCB motherboard is electrically connected to the lock body and is provided with a remote communication unit for remote unlocking and a near-end communication unit for near-end unlocking.
[0022] Compared with the prior art, the advantages of this application are:
[0023] This access control lock features a protective upper plate on the rear panel, located above the lock body and controller and extending away from the door. This effectively shields the lock body and controller from external rain and dust, and protects them from impacts. This provides structural protection for the lock body and controller in the electronic lock assembly, giving it the advantages of good waterproof and impact resistance. Attached Figure Description
[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.
[0025] Figure 1 This is a schematic diagram of the access control lock installed on a door from one perspective, according to an embodiment of the present invention.
[0026] Figure 2 This is a structural schematic diagram of the access control lock installed on the door from another perspective, according to an embodiment of this utility model.
[0027] Figure 3 This is a partially exploded structural diagram of the access control lock and the door according to an embodiment of the present utility model;
[0028] Figure 4 This is a structural schematic diagram of the access control lock from one perspective of an embodiment of the present utility model;
[0029] Figure 5 This is a structural schematic diagram of the access control lock from another perspective of an embodiment of this utility model;
[0030] Figure 6 This is an exploded view of part of the structure of the access control lock according to an embodiment of the present utility model;
[0031] Figure 7 This is a partial exploded view of the front panel, mechanical lock cylinder, and wake-up button in an embodiment of the present invention;
[0032] Figure 8 This is a partial exploded view of the mechanical lock cylinder in an embodiment of the present invention;
[0033] Figure 9 This is an exploded front view diagram of the mechanical lock cylinder according to an embodiment of the present invention;
[0034] Figure 10 for Figure 9 A sectional view along line AA.
[0035] Figure 11 This is an exploded view of a portion of the structure of the access control lock according to an embodiment of this utility model.
[0036] Explanation of reference numerals in the attached figures
[0037] 100-Access control locks;
[0038] 1-Front panel; 11-Mounting protrusion; o1-Lock cylinder mounting hole; o2-Button mounting hole; 12-Counterhead screw; 13-Stud; 14-First handle;
[0039] 2-Rear panel; 21-Top protective plate; 22-Side protective plate; 03-Through hole; 23-Second handle;
[0040] 3-Electrically controlled lock assembly; 31-Lock body; 311-Lock tongue; 32-Lock base; 04-Lock opening;
[0041] 4-Mechanical lock cylinder; 41-Dust cover; 42-Pin; 05-Step mounting hole; 051-Inner hole; 052-Outer hole; 43-Spring;
[0042] 5-Controller;
[0043] 6-Cable protection cover;
[0044] 7-Wake-up button;
[0045] 8-Screws;
[0046] 200-door. Detailed Implementation
[0047] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0048] It should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," "back," "side," and "circumferential" used in this utility model to indicate the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used to distinguish multiple parts or structures with the same or similar structures, and do not indicate any special limitation on the arrangement order or connection relationship.
[0049] Please refer to Figures 1 to 11 This utility model provides an access control lock 100, including: a front panel 1, a rear panel 2, an electric lock assembly 3, a mechanical lock cylinder 4, and a controller 5.
[0050] The front panel 1 is installed on the outside of the door 200, and the rear panel 2 is installed on the inside of the door 200.
[0051] The electronic lock assembly 3 includes a lock body 31 and a lock base 32. The lock body 31 is mounted on the rear panel 2 and has a retractable bolt 311 inside. The lock base 32 is mounted to one side of the lock body 31 and works in conjunction with the lock body 31. Specifically, the lock base 32 has a locking slot o4 corresponding to the bolt 311, and the locking and unlocking of the lock body 31 is achieved by the positional cooperation between the bolt 311 and the locking slot o4. Understandably, the lock body 31 also has an actuator (not shown in the figure) that drives the bolt 311 to move. The actuator typically includes a motor (not shown in the figure) and a shift fork structure (not shown in the figure).
[0052] The mechanical lock cylinder 4 is installed on the front panel 1 and connected to the bolt 311 of the lock body 31, used to drive the bolt 311 to achieve mechanical locking and unlocking. That is, the mechanical lock cylinder 4 can unlock and lock by inserting a key in abnormal situations such as power failure or electronic malfunction of the electric lock assembly 3. Optionally, the mechanical lock cylinder 4 can be connected to the bolt 311 in the lock body 31 through a transmission structure such as a linkage, fork, or rotating shaft, without specific limitations. Understandably, the lock body 31 may also include a clutch (not shown in the figure) for enabling linkage or disengagement between electric and mechanical switching.
[0053] The controller 5 is installed on the rear panel 2 and electrically connected to the lock body 31. It is used to control the bolt 311 of the lock body 31 to achieve electric unlocking and locking. That is, the controller 5 can receive unlocking signals via Bluetooth, Wi-Fi / 4G, password input, card swiping, biometric identification, etc., and control the lock body 31 to unlock. Specifically, the method and procedures by which the controller 5 performs the unlocking action according to the unlocking signal are existing technologies, and therefore will not be elaborated on here.
[0054] The upper end of the rear panel 2 is provided with a protective upper plate 21 that extends in a direction away from the door 200 and is located above the lock body 31 and the controller 5 to provide waterproof and impact protection for the lock body 31 and the controller 5.
[0055] The access control lock 100 has a protective upper plate 21 located above the lock body 31 and controller 5 at the upper end of the rear panel 2, extending in a direction away from the door 200. This plate can effectively shield external rainwater and dust and resist external impacts, thereby providing structural protection for the lock body 31 and controller 5 in the electronic lock assembly 3. This gives it the advantages of good waterproof and impact resistance.
[0056] To enhance the protective effect of the access control lock 100, optionally, please refer to... Figure 5In this embodiment, the controller 5 and the lock body 31 are arranged side by side. The rear panel 2 has a protective side plate 22 extending in the direction away from the door 200 on the side of the controller 5 away from the lock body 31, which is used to provide lateral protection for the controller 5. In this way, dust and rainwater can be effectively prevented from seeping in from the side, and impacts from the side can be defended, thereby improving the security of the access control lock 100.
[0057] Specifically, please refer to Figure 5 In this embodiment, the protective upper plate 21 and the protective side plate 22 are integrally bent and formed with the rear panel 2. Of course, in other embodiments, the protective upper plate 21 and the protective side plate 22 and the rear panel 2 can also be separate structures, connected by fasteners, and no specific limitation is made here.
[0058] Further, please refer to Figure 6 In this embodiment, the controller 5 and the lock body 31 are electrically connected via a cable (not shown in the figure). A cable protection cover 6, installed on the rear panel 2, is provided between the controller 5 and the lock body 31 to cover the cable between them. Specifically, the cable protection cover 6 has a frame-shaped structure with its opening facing the rear panel 2, allowing the cable to be completely contained within the cover. The cable protection cover 6 can be fixed to the rear panel 2 by screws, clips, or slots, facilitating assembly, disassembly, and maintenance. This effectively prevents the cable from being damaged by external pulling or daily impacts, while also preventing dust, moisture, and other foreign objects from entering the cable path.
[0059] To reduce the standby power consumption of the access control lock 100, optionally, please refer to... Figure 4 In this embodiment, the front panel 1 is provided with a wake-up button 7 electrically connected to the controller 5, which is used to wake up the controller 5 before electric unlocking. In this way, the controller 5 can remain in sleep mode when not in use, and be actively woken up before the unlocking operation to put it into working mode, thereby reducing the power consumption of the access control lock 100.
[0060] Alternatively, please refer to Figure 4 and Figure 7 In this embodiment, the front panel 1 is provided with a mounting protrusion 11. The mechanical lock cylinder 4 and the wake-up button 7 are assembled within the mounting protrusion 11, and the key insertion area of the mechanical lock cylinder 4 and the pressing surface of the wake-up button 7 are exposed on the outer surface of the mounting protrusion 11. Since the mounting protrusion 11 serves as a unified mounting unit for the mechanical lock cylinder 4 and the wake-up button 7, the mounting holes can be centrally arranged, thereby significantly reducing the need for multiple drilling points on the door 200. Specifically, in this embodiment, the mounting protrusion 11 is mounted on the front panel 1 using countersunk screws 12. The mounting protrusion 11 has a lock cylinder mounting hole o1 and a button mounting hole o2 to facilitate the assembly of the mechanical lock cylinder 4 and the wake-up button 7.
[0061] To address the issues of dust and water ingress in mechanical lock cylinders, please refer to the following options: Figure 8 and Figure 10 In this embodiment, the key insertion area of the mechanical lock cylinder 4 is provided with a rotatable dust cover 41 for opening or covering the key insertion area. Specifically, the mechanical lock cylinder 4 has a pin 42 arranged along the extension direction of the key, and the dust cover 41 is rotatably mounted on the pin 42. Specifically, the mechanical lock cylinder 4 has a stepped mounting hole o5, and the end of the pin 42 is threaded into the inner hole o51 of the stepped mounting hole o5. A spring 43 is also sleeved on the outer periphery of the pin 42. The spring 43 is located in the outer hole o52 of the stepped mounting hole o5, and one end abuts against the stepped surface of the stepped mounting hole o5, and the other end abuts against the dust cover 41 to form a damped rotation of the dust cover 41.
[0062] To enable the installation of the front panel 1 and rear panel 2 with the door 200, optionally, please refer to... Figure 3 and Figure 11 In this embodiment, the front panel 1 has a stud 13 on one side of the door 200, and the rear panel 2 has a through hole o3 on the corresponding side of the door 200. The access control lock 100 also includes screws 8 that pass through the through hole o3 and are threadedly connected to the stud 13, used to fix the front panel 1 and rear panel 2 to both sides of the door 200. With this structure, the installation of the front panel 1 and rear panel 2 can be completed simply by drilling the through hole o3 at the position corresponding to the stud 13 on the door 200, making the operation convenient. Of course, in other embodiments, the stud 13 can also be located on the side of the rear panel 2 that fits the door 200, while the through hole o3 is located on the corresponding side of the front panel 1 that fits the door 200. No specific limitations are made here.
[0063] Alternatively, please refer to Figure 1 and Figure 2 In this embodiment, the front panel 1 is provided with an integrally formed first handle 14, and the rear panel 2 is provided with an integrally formed second handle 23. This eliminates the need for separate handle components, reducing the number of parts.
[0064] Alternatively, please refer to Figure 5 In this embodiment, the controller 5 includes a housing, a PCB motherboard (not shown in the figure), and a battery (not shown in the figure). Both the PCB motherboard and the battery are installed inside the housing, and the PCB motherboard is electrically connected to the battery and the lock body 31. This eliminates the need for external wiring, further simplifying the structure.
[0065] The PCB motherboard includes a remote communication unit (not shown in the figure) for remote unlocking and a near-end communication unit (not shown in the figure) for near-end unlocking. Optionally, the remote communication unit may include Wi-Fi or cellular network, enabling remote unlocking by connecting to a mobile app, mini-program, or cloud platform. The near-end communication unit may include Bluetooth, NFC, etc., enabling near-end unlocking via the user's mobile phone approaching the lock, one-click unlocking with the mobile phone, or card unlocking, thereby improving the intelligence level and user flexibility of the access control lock 100.
[0066] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the substance of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.
Claims
1. An access control lock, characterized in that, include: Front panel, installed on the outside of the door; Rear panel, installed on the inside of the door; An electronically controlled lock assembly includes a lock body mounted on the rear panel and a lock seat mounted on one side of the lock body and cooperating with the lock body; A mechanical lock cylinder is installed on the front panel and connected to the bolt of the lock body, used to drive the bolt to achieve mechanical unlocking and locking; The controller is installed on the rear panel and electrically connected to the lock body, and is used to control the lock tongue of the lock body to achieve electric unlocking and locking. The rear panel has a protective upper plate extending away from the door and located above the lock body and the controller, which provides waterproof and impact-resistant protection for the lock body and the controller.
2. The access lock of claim 1, wherein, The controller is arranged side by side with the lock body, and the rear panel has a protective side plate extending in the direction away from the door on the side of the controller away from the lock body for lateral protection of the controller.
3. The access lock of claim 2, wherein, The protective top plate and protective side plate are integrally bent and formed with the rear panel.
4. The access lock of claim 1, wherein, The controller and the lock body are electrically connected by a cable; a cable protection cover installed on the rear panel is provided between the controller and the lock body to cover the cable between the controller and the lock body.
5. The access lock of claim 1, wherein, The front panel is equipped with a wake-up button that is electrically connected to the controller, which is used to wake up the controller before electric unlocking.
6. The access lock of claim 5, wherein, The front panel is provided with a mounting protrusion, the mechanical lock cylinder and the wake-up button are assembled in the mounting protrusion, and the key insertion area of the mechanical lock cylinder and the pressing surface of the wake-up button are exposed on the outer surface of the mounting protrusion.
7. The access lock of claim 6, wherein, The key insertion area of the mechanical lock cylinder is provided with a rotatable dust cover for opening or covering the key insertion area.
8. The access lock of claim 1, wherein, One of the front panel or the rear panel has a stud on one side of its fitting door, and the other has a through hole at a corresponding position; it also includes screws that pass through the through hole and are threadedly connected to the stud, for fixing the front panel and the rear panel to both sides of the door.
9. The access control lock as described in claim 1, characterized in that, The front panel is provided with an integrally formed first handle, and the rear panel is provided with an integrally formed second handle.
10. The access lock of claim 1, wherein, The controller includes a housing, a PCB motherboard installed inside the housing, and a battery electrically connected to the PCB motherboard; the PCB motherboard is electrically connected to the lock body and is provided with a remote communication unit for remote unlocking and a near-end communication unit for near-end unlocking.