An easy-to-maintain smart battery charger

By incorporating a circular slot, pillar, and screw cap into the smart battery charger, combined with springs and L-shaped limiting slots, the problem of inconvenient charging cable storage is solved, achieving concealed storage and fixation of the charging cable, thus improving the tidiness of the device and the user experience.

CN224289354UActive Publication Date: 2026-05-26SHENZHEN XIANGSHENG TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN XIANGSHENG TECH CO LTD
Filing Date
2025-06-16
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

The charging cable of the smart door lock battery charger is inconvenient to store after use, which affects the tidiness of the device and the user experience.

Method used

A smart battery charger that is easy to maintain was designed. By setting a circular groove, a column and a screw cap at the bottom of the charger, the charging cable can be concealed by using springs and L-shaped limiting grooves, and the exposed part can be fixed by the cable retainer groove.

Benefits of technology

It achieves concealed storage of charging cables, improving the tidiness of the device and the user experience, and facilitating maintenance and operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a convenient-to-maintain smart battery charger, relating to the application field of smart door lock battery chargers. It includes a door lock battery, with a charger movably mounted on the bottom of the battery. The charger has a circular groove at its bottom, and a column is positioned inside the circular groove. An L-shaped limiting groove is formed on the outside of the column, and a cap is movably mounted on the outside of the column. A limiting block matching the L-shaped limiting groove is provided on the inner side of the cap, and a spring connects the cap and the column. This utility model, by using the circular groove, cap, and column, can be used to store the charger's charging cable. Rotating the cap at a certain angle causes it to rise under the spring's return action, allowing the user to rotate and wrap the charging cable around the outside of the cap. After winding, pressing and rotating the cap again, using the L-shaped limiting groove and limiting block, secures the cap within the circular groove, thus achieving a concealed storage effect for the charging cable.
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Description

Technical Field

[0001] This utility model relates to the application field of smart door lock battery chargers, specifically a smart battery charger that is easy to maintain. Background Technology

[0002] A smart lock battery charger is typically a device used to power the rechargeable battery inside a smart lock. Smart locks usually use lithium batteries or other types of rechargeable batteries. The battery powers the lock and ensures that it can work properly, including functions such as unlocking, locking, and networking. The charger is generally designed to be compatible with specific battery models and has safety features such as overcharge protection and short circuit protection.

[0003] The smart door lock battery charger mainly consists of a charger and a charging cable. In daily use, the charging cable connected to the door lock battery charger is inconvenient to store after use. Utility Model Content

[0004] Therefore, the purpose of this utility model is to provide an intelligent battery charger that is easy to maintain, so as to solve the technical problems mentioned in the background.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a smart battery charger that is easy to maintain, including a door lock battery, wherein a charger is movably installed at the bottom of the door lock battery, and a circular groove is provided at the bottom of the charger. A column is provided inside the circular groove at the bottom of the charger, and an L-shaped limiting groove is provided on the outside of the column. A screw cap is movably installed on the outside of the column, and a limiting block matching the L-shaped limiting groove is provided on the inner side of the screw cap. A spring connection is provided between the screw cap and the column.

[0006] By adopting the above technical solution, the charging cable of the charger can be stored by setting a circular groove, a swivel cover and a column. When the swivel cover is rotated at a certain angle, it will rise under the reset action of the spring. Then, the user can rotate and wrap the charging cable around the outside of the swivel cover. After wrapping, press and rotate the swivel cover again. Using the L-shaped limiting groove and the limiting block, the swivel cover can be fixed in the circular groove, thereby achieving the effect of concealed storage of the charging cable.

[0007] The present invention is further configured such that two sets of L-shaped limiting grooves are provided, and the two sets of L-shaped limiting grooves are symmetrically arranged about the center of the column.

[0008] Preferably, by setting two sets of L-shaped limiting grooves, the cap is fitted onto the outside of the column, and the column is more stable when the cap extends due to the L-shaped limiting grooves.

[0009] The present invention is further configured such that the limiting block is provided in two sets, and the two sets of limiting blocks are respectively matched with two sets of L-shaped limiting grooves.

[0010] Preferably, by setting two sets of limiting blocks and two sets of L-shaped limiting grooves, the installation of the column and the cap is made more stable.

[0011] The present invention is further configured such that a recessed groove is provided on one side of the charger, and a charging interface is provided on one side of the charger, and a charging cable is movably installed in the charging interface.

[0012] Preferably, by creating a recessed groove, it is easier to install the door lock battery into the charger.

[0013] The present invention is further configured such that a cable slot is provided at the bottom of the charger, and the size of the cable slot matches that of the charging cable.

[0014] Preferably, by providing a cable slot, the exposed part of the charging cable can be fixed and stored.

[0015] In summary, the present invention has the following main advantages:

[0016] 1. This utility model can be used to store the charging cable of a charger by setting a circular groove, a screw cap and a column. When the screw cap is rotated at a certain angle, the screw cap will rise under the reset action of the spring. Then the user can rotate and wrap the charging cable around the outside of the screw cap. After the cable is wrapped, press and rotate the screw cap again. Using the L-shaped limiting groove and the limiting block, the screw cap can be fixed in the circular groove, thereby achieving the effect of concealed storage of the charging cable.

[0017] 2. This utility model can be used to lock and hide exposed charging cables by setting a cable-locking groove. Since one end of the charging cable is connected to the charging interface, a part of the charging cable will be exposed when the main body of the charging cable is stored in the circular groove. The cable-locking groove can be used to fix and store it. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the installation of the door lock battery and charger of this utility model;

[0019] Figure 2 This is a schematic diagram of the charger structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the distribution of the recessed grooves in this utility model;

[0021] Figure 4 This is a schematic diagram showing the distribution of the screw cap and the wire-locking groove of this utility model;

[0022] Figure 5 This is a schematic diagram showing the distribution of the circular groove and the screw cap of this utility model;

[0023] Figure 6 This is a schematic diagram of the screw cap and column installation of this utility model.

[0024] Explanation of reference numerals in the attached figures:

[0025] 1. Door lock battery; 2. Charger; 3. Recessed groove; 4. Charging interface; 5. Cable slot; 6. Circular groove; 7. Post; 8. L-shaped limit groove; 9. Screw cap; 10. Limiting block; 11. Spring. Detailed Implementation

[0026] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0027] The embodiments of this utility model will be described below based on its overall structure.

[0028] Please see Figures 1-6 A convenient smart battery charger includes a door lock battery 1, a charger 2 movably mounted on the bottom of the door lock battery 1, and a circular groove 6 on the bottom of the charger 2. A column 7 is set inside the circular groove 6 at the bottom of the charger 2, and an L-shaped limiting groove 8 is set on the outside of the column 7. A swivel cover 9 is movably mounted on the outside of the column 7, and a limiting block 10 matching the L-shaped limiting groove 8 is set on the inside of the swivel cover 9. A spring 11 is set between the swivel cover 9 and the column 7. The circular groove 6, the swivel cover 9 and the column 7 can be used to store the charging cable of the charger 2. When the swivel cover 9 is rotated at a certain angle, the swivel cover 9 will rise under the reset action of the spring 11. Then the user can rotate and wrap the charging cable around the outside of the swivel cover 9. After winding, the swivel cover 9 is pressed and rotated again. Using the L-shaped limiting groove 8 and the limiting block 10, the swivel cover 9 can be fixed in the circular groove 6, thereby achieving the effect of concealed storage of the charging cable.

[0029] Please refer to the above embodiments for further details. Figure 5 and Figure 6 Two sets of L-shaped limiting grooves 8 are provided, and the two sets of L-shaped limiting grooves 8 are symmetrically arranged about the center of the column 7. By setting two sets of L-shaped limiting grooves 8, the cap 9 is fitted onto the outside of the column 7, and the column 7 is more stable when the cap 9 is extended by the L-shaped limiting grooves 8.

[0030] Please refer to the above embodiments for further details. Figure 5 and Figure 6 The limit block 10 is provided in two sets, and the two sets of limit blocks 10 are matched with two sets of L-shaped limit grooves 8 respectively. By setting two sets of limit blocks 10 and two sets of L-shaped limit grooves 8, the installation of the column 7 and the cap 9 is more stable.

[0031] Please refer to the above embodiments for further details. Figure 2 and Figure 3 The charger 2 has a recessed groove 3 on one side and a charging interface 4 on the other side. A charging cable is movably installed in the charging interface 4. The recessed groove 3 makes it easier to install the door lock battery 1 into the charger 2.

[0032] Please refer to the above embodiments for further details. Figure 4 The bottom of the charger 2 has a cable slot 5, and the cable slot 5 matches the size of the charging cable. By setting the cable slot 5, the exposed part of the charging cable can be fixed and stored.

[0033] In practical operation, when the door lock battery 1 is used up, the user first rotates the cover 9, which rises under the reset action of the spring 11. Then the user straightens the charging cable so that the charger is close to the root of the charging interface 4 and locked into the cable slot 5. Then the user winds the charging cable around the outside of the cover 9.

[0034] Next, press the cap 9 into the inside of the circular groove 6 and rotate the cap 9 to reset it, so that the limiting block 10 on the inside of the cap 9 and the L-shaped limiting groove 8 fit together, thus completing the storage of the charging cable.

[0035] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. A smart battery charger for easy maintenance comprising a door lock battery (1) characterized by: A charger (2) is movably installed at the bottom of the door lock battery (1), and a circular groove (6) is provided at the bottom of the charger (2). A column (7) is provided inside the circular groove (6) at the bottom of the charger (2), and an L-shaped limiting groove (8) is provided on the outside of the column (7). A screw cap (9) is movably installed on the outside of the column (7), and a limiting block (10) matching the L-shaped limiting groove (8) is provided on the inside of the screw cap (9). A spring (11) is provided between the screw cap (9) and the column (7).

2. A smart battery charger for easy maintenance according to claim 1, characterized in that: The L-shaped limiting groove (8) has two sets, and the two sets of L-shaped limiting grooves (8) are symmetrically arranged about the center of the column (7).

3. The convenient-to-maintain intelligent battery charger according to claim 2, characterized in that: The limiting block (10) is provided in two sets, and the two sets of limiting blocks (10) are respectively matched with two sets of L-shaped limiting grooves (8).

4. The convenient-to-maintain intelligent battery charger according to claim 3, characterized in that: The charger (2) has a recessed groove (3) on one side and a charging interface (4) on one side, with a charging cable movably installed in the charging interface (4).

5. A convenient-to-maintain intelligent battery charger according to claim 4, characterized in that: The charger (2) has a cable slot (5) at the bottom, and the cable slot (5) is matched with the size of the charging cable.