Battery installation anti-theft structure of intelligent door lock
The internal unlocking snap-fit structure and top-pressing device, combined with the shrapnel structure to automatically eject the battery, solves the problem of easy theft of the smart door lock battery compartment and ensures the safety and convenience of battery replacement.
Patent Information
- Application Number
- CN202422628775.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-29
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-10-29
AI Technical Summary
The battery compartment of existing smart door locks is easily stolen, and existing technologies cannot effectively prevent the battery compartment from being illegally opened.
It adopts an internal unlocking snap-fit structure and a top-pressing device. The intelligent operation panel drives the motor to unlock the cover plate, and the shrapnel structure is used to automatically eject the battery to realize battery replacement.
It effectively prevents the battery compartment from being stolen, makes it convenient for users to replace batteries, and improves the safety and convenience of battery replacement.
Smart Images

Figure CN223387118U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of smart door locks, and in particular to a battery installation anti-theft structure for smart door locks. Background Art
[0002] The battery compartment of existing single-sided smart door locks is generally installed on the outside of the door. Since the battery of existing smart door locks needs to be replaced after a period of use due to low power or normal power consumption, the battery compartment cover is installed and fastened with buckles or screws to facilitate battery replacement. However, this also means that the battery compartment can be opened, and the internal battery is often stolen. Therefore, how to achieve battery theft prevention is also an important technology that needs to be improved in the structure of smart door locks. Utility Model Content
[0003] In view of the defects of the above-mentioned prior art, the technical problem to be solved by the present invention is: to provide a battery compartment that cannot be opened by simple methods such as screwing screws and unfastening buttons. The battery compartment is replaced by internal unlocking, opening the battery compartment and ejecting the internal battery.
[0004] In order to achieve the above object, the present invention provides the following solutions:
[0005] A battery installation anti-theft structure for a smart door lock includes a door lock body, the door lock body includes a handle and an intelligent operation panel, a battery compartment for installing a battery to power the intelligent operation panel is provided on the handle, a power connector for connecting the battery is provided in the battery compartment, a sealing plate is provided at the opening of the battery compartment, a snap-fit structure that is unlocked from the inside is provided between the battery compartment and the sealing plate, a pressing device that can unlock the snap-fit structure and push the sealing plate out of the battery compartment is provided inside the battery compartment, and a spring structure that can eject the battery through the pressing device is provided inside the battery compartment.
[0006] Furthermore, the front side of the battery compartment in the present invention is open.
[0007] Furthermore, the covering plate in the present invention is arranged on the front side of the battery compartment and can close the opening, rollers are provided on both sides of the bottom of the covering plate, and slide grooves are provided on both sides of the bottom of the front side of the battery compartment, and the rollers are arranged in the slide grooves to limit movement.
[0008] Furthermore, the buckling structure in the present invention includes a buckling groove arranged at the top of the front side of the battery compartment, and also includes a fastener arranged at the rear side of the top of the cover plate, and the fastener can be buckled into the buckling groove to lock the cover plate.
[0009] Furthermore, the pressing device in the present invention includes a motor arranged on the top of the rear wall of the battery compartment, the motor is connected to the intelligent operation panel, an external screw is fixed on the rotor of the motor, an internal screw is arranged on the upper side of the battery compartment to engage with the external screw, a guide block is fixed on the top of the internal screw, and a guide groove is provided on the top wall of the battery compartment to accommodate the limiting movement of the guide block.
[0010] Furthermore, an extension vertical plate is provided at the bottom of the fastener in the present invention, and the front end of the inner screw can press the extension vertical plate to make the fastener disengage from the fastening groove.
[0011] Furthermore, the spring structure in the present invention includes a plastic spring arranged between the rear wall of the battery and the rear wall inside the battery compartment, and a bending portion 1 and a bending portion 2 are provided on the top of the plastic spring, the bending portion 1 fits the top corner of the battery, and an elliptical perforation is provided on the bending portion 2, and a avoidance portion is provided on the plastic spring and located opposite to the power connector.
[0012] Furthermore, the elliptical perforation in the present invention is sleeved outside the inner screw, and a linkage member capable of pulling the plastic spring forward is provided at the rear end of the inner screw.
[0013] Furthermore, a heat dissipation slot is provided on one side of the battery compartment in the present invention.
[0014] In summary, the present invention has the following beneficial effects compared to the prior art:
[0015] The present invention provides a battery compartment that cannot be opened by simple means such as screwing or unfastening a button. Instead, it uses a snap-fit structure to achieve internal locking. It is difficult for an outsider to open the cover plate from the outside. The intelligent operation panel needs to be used to drive a pressing device to unlock the snap-fit structure before the cover plate of the battery compartment can be unlocked and ejected. Simultaneously, the pressing device drives a spring structure to automatically eject the internal battery, making it easy to remove the battery. The battery is protected from theft by people other than the householder, while the user of the door lock can easily replace the battery. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a three-dimensional schematic diagram of the smart door lock of the utility model;
[0017] Figure 2 This is a three-dimensional schematic diagram of the battery compartment of the utility model;
[0018] Figure 3 This is a schematic plan view of the battery compartment of the present invention;
[0019] Figure 4 This is a three-dimensional schematic diagram of the battery compartment of the present invention;
[0020] Figure 5It is an exploded schematic diagram of the spring structure of the utility model. DETAILED DESCRIPTION
[0021] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:
[0022] like Figures 1 to 5 As shown, the embodiment of the utility model preferably provides a battery installation anti-theft structure for a smart door lock, including a door lock body 1, the door lock body 1 including a handle 11 and an intelligent operation panel 12, a battery compartment 13 for installing a battery to power the intelligent operation panel 12 is provided on the handle 11, a power connector 14 for connecting the battery is provided in the battery compartment 13, a cover plate 2 is provided at the opening of the battery compartment 13, a snap-fit structure 3 for unlocking from the inside is provided between the battery compartment 13 and the cover plate 2, a pressing device 4 that can unlock the snap-fit structure 3 and push the cover plate 2 out of the battery compartment 13 is provided inside the battery compartment 13, and a spring structure 5 that can eject the battery through the pressing device 4 is provided inside the battery compartment 13. The smart door lock in this technical solution is a single-sided smart door lock. The battery compartment is located on the door lock body, that is, outside the door. A screwless and clipless cover plate is installed through the battery compartment opening. The cover plate is fixed by a snap-fit structure inside the battery compartment. Since there is no external structure to open the cover plate, it is very difficult to open the cover plate, which can also serve as a theft prevention function. When the user wants to open the cover plate to replace the battery, they can activate the push-up device through the smart operation panel to unlock the snap-fit structure. At the same time, the spring structure drives the battery out of the power connector and ejects it from the battery compartment.
[0023] The front side of the battery compartment 13 of the present invention is open. The opening can accommodate the battery to be inserted into or out of the battery compartment.
[0024] The cover plate 2 of the present invention is positioned in front of the battery compartment 13 and is capable of sealing the opening. Rollers 21 are provided on either side of the bottom of the cover plate 2, and chute 22 is provided on either side of the bottom of the front side of the battery compartment 13. The rollers 21 are positioned within the chute 22 for limited movement. The cooperation of the rollers and chute allows the cover plate to rotate at the bottom of the battery compartment opening, while the chute allows the roller to move up and down. The chute prevents interference between the fasteners and the battery compartment opening when the cover plate is closed.
[0025] The locking structure 3 of the present invention includes a locking groove 31 provided at the top front side of the battery compartment 13, and a fastener 32 provided at the top rear side of the cover plate 2. The fastener 32 can be fastened into the locking groove 31 to lock the cover plate 2. The fastener is in the shape of a protruding hook. When the cover plate closes the battery compartment opening, the hook of the fastener will snap into the locking groove to secure the cover plate.
[0026] The pressing device 4 in the present invention includes a motor 41 arranged at the top of the inner rear wall of the battery compartment 13, the motor 41 is connected to the intelligent operation panel 12, an outer screw 42 is fixedly provided on the rotor of the motor 41, an inner screw 43 engaging with the outer screw 42 is provided on the upper inner side of the battery compartment 13, a guide block 44 is fixedly provided on the top of the inner screw 43, and a guide groove 45 for accommodating the limiting movement of the guide block 44 is provided on the top wall of the battery compartment 13. The pressing device can be driven by the intelligent operation panel, and specifically a fingerprint recognition mode can be added or it can be realized through the intelligent remote control function of the mobile phone. When the motor is started, the outer screw on the rotating shaft rotates inside the inner screw, and because it is a meshing relationship and the inner screw has achieved linear movement under the action of the guide block and the guide groove, the rotation of the outer screw can make the inner screw move linearly, thereby unlocking the snap-fit structure, and further allowing the spring structure to eject the battery.
[0027] In the present invention, the bottom of the fastener 32 is provided with an extension plate 6. The front end of the inner screw 43 can press against the extension plate 6 to disengage the fastener 32 from the engagement groove 31. The extension plate is provided on the other side of the fastener having the hook. When the extension plate is pressed forward by the inner screw, the fastener at the top will bend slightly, at which point the hook portion of the fastener will disengage from the engagement groove, and the cover plate will be opened.
[0028] The spring structure 5 described in the present invention includes a plastic spring 51 disposed between the rear wall of the battery and the inner rear wall of the battery compartment 13. A bend 1 52 and a bend 2 53 are provided at the top of the plastic spring 51. The bend 1 52 fits against the top corner of the battery. The bend 2 53 is provided with an elliptical perforation 54. A relief portion 55 is provided on the plastic spring 51 and directly opposite the power connector 14. The spring structure is pre-installed when the battery is installed in the battery compartment. The elliptical perforation on the bend 2 is sheathed outside the inner screw. Therefore, when the inner screw moves linearly and the linkage drives the bend 2 forward, the battery will be ejected forward. The relief portion is used to avoid the power connector. The plastic spring is made of plastic to prevent it from being able to conduct electricity and has good flexibility. Both the bend 1 and the bend 2 can undergo angular deformation when driven by the inner screw. The elliptical perforation is set as an ellipse so that the bend 2 can be bent after being inserted into the inner screw.
[0029] The elliptical perforation 54 in the present invention is sleeved around the inner screw 43. A linkage member 7 is provided at the rear end of the inner screw 43 to pull the plastic spring 51 forward. The linkage member is cap-shaped and is located at the rear end of the inner screw. When it moves forward, it drives the second bent portion of the plastic spring forward, allowing the plastic spring to eject the battery forward.
[0030] The battery compartment 13 of the present invention is provided with a heat dissipation slot 8 on one side to allow the battery to dissipate heat.
[0031] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for illustrative purposes. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.
Claims
1. A battery installation anti-theft structure for an intelligent door lock, comprising a door lock body (1), wherein the door lock body (1) comprises a handle (11) and an intelligent operation panel (12), wherein a battery compartment (13) for installing a battery for powering the intelligent operation panel (12) is provided on the handle (11), and an electrical connector (14) for connecting the battery is provided in the battery compartment (13), characterized in that: A cover plate (2) is provided at the opening of the battery compartment (13); a buckle structure (3) unlocked from the inside is provided between the battery compartment (13) and the cover plate (2); a pressing device (4) capable of unlocking the buckle structure (3) and pushing the cover plate (2) out of the battery compartment (13) is provided inside the battery compartment (13); and a spring structure (5) capable of ejecting the battery through the pressing device (4) is provided inside the battery compartment (13).
2. The battery installation anti-theft structure of a smart door lock according to claim 1, characterized in that: The front side of the battery compartment (13) is open.
3. The battery installation anti-theft structure of a smart door lock according to claim 1 is characterized in that: The cover plate (2) is arranged on the front side of the battery compartment (13) and can close the opening. Rollers (21) are arranged on both sides of the bottom of the cover plate (2). Slide grooves (22) are arranged on both sides of the bottom of the front side of the battery compartment (13). The rollers (21) are arranged in the slide grooves (22) to move in a limited manner.
4. A battery installation anti-theft structure for a smart door lock according to any one of claims 1 to 3, characterized in that: The buckling structure (3) includes a buckling groove (31) arranged at the top of the front side of the battery compartment (13), and also includes a fastener (32) arranged at the rear side of the top of the cover plate (2); the fastener (32) can be buckled into the buckling groove (31) to achieve locking of the cover plate (2).
5. The battery installation anti-theft structure of a smart door lock according to claim 4 is characterized in that: The pressing device (4) comprises a motor (41) arranged at the top of the inner rear wall of the battery compartment (13); the motor (41) is connected to the intelligent operation panel (12); an outer screw (42) is fixedly provided on the rotor of the motor (41); an inner screw (43) is provided on the upper inner side of the battery compartment (13) and engages with the outer screw (42); a guide block (44) is fixedly provided on the top of the inner screw (43); and a guide groove (45) is provided on the top wall of the battery compartment (13) to accommodate the limiting movement of the guide block (44).
6. The battery installation anti-theft structure of a smart door lock according to claim 5, characterized in that: An extension vertical plate (6) is provided at the bottom of the fastener (32), and the front end of the inner screw (43) can press the extension vertical plate (6) to make the fastener (32) disengage from the fastening groove (31).
7. The battery installation anti-theft structure of a smart door lock according to claim 5, characterized in that: The spring structure (5) includes a plastic spring (51) arranged between the rear wall of the battery and the inner rear wall of the battery compartment (13); a first bending portion (52) and a second bending portion (53) are provided on the top of the plastic spring (51); the first bending portion (52) fits the top corner of the battery; an elliptical perforation (54) is provided on the second bending portion (53); and a relief portion (55) is provided on the plastic spring (51) and located directly opposite the power connector (14).
8. The battery installation anti-theft structure of a smart door lock according to claim 7, characterized in that: The elliptical perforation (54) is sleeved outside the inner screw (43), and a linkage member (7) capable of pulling the plastic spring (51) forward is provided at the rear end of the inner screw (43).
9. The battery installation anti-theft structure of a smart door lock according to claim 1, characterized in that: A heat dissipation slot (8) is provided on one side of the battery compartment (13).