Battery cover fixing structure and door lock

By designing a battery cover fixing structure in the smart door lock, and using the coordination of the storage chamber and the positioning column, the problem of inconvenience and easy fall off of the battery cover is solved, achieving more reliable battery fixing and more convenient disassembly and use.

CN222896772UActive Publication Date: 2025-05-23SHENZHEN FENDA SMART HOME CO LTD
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Patent Information

Application Number
CN202421358454.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-14
Publication Date
2025-05-23
Estimated Expiration
2034-06-14

AI Technical Summary

Technical Problem

The battery cover of the existing smart door lock is inconvenient to remove, which affects the user experience, and is prone to fall off when the door is violently slammed, causing the door lock to be powered off.

Method used

A battery cover fixing structure is designed. By setting a storage cavity on the top of the middle frame, one end of the battery cover is inserted vertically from the top of the frame, and the other end is located outside the frame, and the positioning column is inserted into the slot of the battery cover to achieve the fixing of the battery cover.

Benefits of technology

This structure makes the battery cover reliable fixing, avoid falling off during violent slamming, and there is no need to open a disassembly notch during disassembly, making it easy to use and improves the user experience.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222896772U_ABST
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Abstract

The utility model discloses a battery cover fixing structure and a door lock, the battery cover fixing structure comprises a lithium battery, a middle frame and a battery cover, the middle frame comprises a frame body and at least two positioning columns arranged on the frame body in a protruding mode, the top of the frame body is provided with a containing cavity, and the lithium battery is inserted into the containing cavity; the battery cover is provided with at least two slots, one end of the battery cover is vertically inserted into the accommodating cavity from the top of the frame body, the other end of the battery cover is positioned outside the frame body, the positioning columns are respectively inserted into the slots, and the battery cover covers the lithium battery. According to the utility model, the battery cover is fixed reliably, the battery cover is not easy to fall off from the middle frame when the door falls off violently, the lithium battery in the accommodating cavity can be well fixed, the phenomenon of power failure of the door lock is avoided, and when the battery cover is disassembled, the battery cover is pulled out of the accommodating cavity upwards in the vertical direction, so that the battery cover can be disassembled conveniently. The positioning columns can be separated from the slots, the battery cover can be easily detached from the middle frame, a detaching notch does not need to be formed in the battery cover, and the battery cover is convenient to detach and use.
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Description

Technical Field

[0001] The utility model relates to the technical field of door lock structures, in particular to a battery cover fixing structure and a door lock. Background Art

[0002] At present, smart door locks, as a smart home product, are favored by more and more consumers due to their more intelligent and simple features in terms of security, identification, and management. Common smart door locks are powered by batteries, which are installed on the lock disk, and a battery cover is set on the outside of the lock disk to cover the battery. When the user needs to replace the battery, the battery cover can be opened to operate.

[0003] The battery cover is generally installed at the outer end of the lock disk and close to the bottom of the lock disk. The battery cover is connected to the corresponding card slots in the lock disk through at least six card heads. However, the smart door lock of this structure has the following disadvantages:

[0004] 1. It is inconvenient to remove the battery cover, and the experience is not good;

[0005] 2. In order to remove the battery, a disassembly notch needs to be opened on the battery cover, which seriously affects the appearance of the door lock;

[0006] 3. When the door is slammed violently, the battery cover can easily fall off the lock disk, causing the door lock to frequently lose power. Utility Model Content

[0007] The utility model aims to provide a battery cover fixing structure and a door lock, so as to solve the problem that the existing battery cover is generally installed on the outer end of the lock disk and close to the bottom position of the lock disk, and the battery cover is connected with the corresponding card slots in the lock disk through at least six card heads respectively to achieve card insertion and matching connection. The battery cover is very inconvenient to disassemble and the user experience is not good. In order to be able to remove the battery, a disassembly notch needs to be opened on the battery cover, which seriously affects the appearance of the door lock. In addition, when the door is violently slammed, the battery cover is easily fallen off the lock disk, resulting in the technical problem that the door lock often suffers from power outages.

[0008] The utility model provides a battery cover fixing structure, comprising:

[0009] Lithium batteries;

[0010] A middle frame, the middle frame comprising a frame body and at least two positioning posts both protruding from the frame body, a storage cavity being provided on the top of the frame body, and the lithium battery being inserted into the storage cavity;

[0011] A battery cover, wherein the battery cover is provided with at least two slots, one end of the battery cover is vertically inserted into the storage cavity from the top of the frame, and the other end is located outside the frame, and each positioning column is respectively inserted into each slot, and the battery cover covers the lithium battery.

[0012] Furthermore, the number of the positioning posts and the number of the slots are both two, and the two positioning posts are protrudingly disposed on the inner wall of the storage cavity.

[0013] Furthermore, the storage cavity includes a receiving groove arranged at the top of the frame body and two oppositely arranged guide grooves, the two guide grooves are arranged on the inner side walls of the receiving groove, and the guide grooves extend from the top of the frame body toward the middle part of the frame body, the two positioning columns are respectively convexly arranged on the inner walls of the two guide grooves, the lithium battery is inserted into the receiving groove, and the battery cover is inserted into the guide groove.

[0014] Further, the frame includes a bottom plate, a front plate, a back plate arranged opposite to the front plate, two side plates arranged opposite to each other and four strip plates arranged at intervals, the two side ends of the side plates are respectively connected to the side ends of the front plate and the side ends of the back plate, the bottom end of the front plate, the bottom end of the back plate and the bottom ends of the two side plates are all connected to the bottom plate, the bottom plate, the front plate, the back plate and the two side plates are combined to form the accommodating groove, the end of the side plate away from the bottom plate is provided with an L-shaped avoidance groove, the end of the front plate close to the side plate and the end of the back plate close to the side plate are both protrudingly provided with the strip plates, the inner wall of the avoidance groove and the two strip plates are combined to form the guide groove, and the positioning column is protruding on the inner side wall of the avoidance groove and is located between the corresponding two strip plates.

[0015] Furthermore, the distance between the end of the front plate away from the bottom plate and the bottom plate is greater than the distance between the end of the rear plate away from the bottom plate and the bottom plate, and the distance between the end of the side plate close to the front plate away from the bottom plate and the bottom plate is smaller than the distance between the end of the front plate away from the bottom plate and the bottom plate, and the distance between the end of the side plate close to the rear plate away from the bottom plate and the bottom plate is smaller than the distance between the end of the rear plate away from the bottom plate and the bottom plate.

[0016] Furthermore, the battery cover includes a top cover and two support plates protruding from both ends of the top cover, the two slots are respectively arranged on the two support plates, the two support plates are inserted into the storage cavity, and the top cover covers the lithium battery.

[0017] Furthermore, the top cover includes a top plate, a limit stopper and two arc plates, the two arc plates are respectively connected to the two ends of the top plate, the two support plates are respectively connected to the two arc plates, and the limit stopper is protruding from the top plate and corresponding to the lithium battery.

[0018] Furthermore, the battery cover also includes a gripping portion for human hand gripping, and the gripping portion includes two protrusions, and the two protrusions are respectively protruded at two ends of the top cover.

[0019] Furthermore, the frame is also provided with an opening for the plug in the control panel to pass through, and the opening is communicated with the storage cavity.

[0020] The utility model also provides a door lock, comprising the battery cover fixing structure as described above.

[0021] Compared with the prior art, the beneficial effects of the present invention are:

[0022] In the utility model, a storage cavity is provided at the top of the middle frame, one end of the battery cover is vertically inserted into the storage cavity from the top of the frame, and the other end is located outside the frame, and the positioning posts of the middle frame are respectively inserted into the slots of the battery cover, so that the battery cover is reliably fixed. When the door is violently slammed, the battery cover is not easy to fall off from the middle frame, and the lithium battery in the storage cavity can be well fixed, and the door lock will not be powered off. When removing the battery cover, it is only necessary to pull the battery cover out of the storage cavity in the vertical direction in the upward direction, and the positioning posts can be separated from the slots. The battery cover is easily removed from the middle frame without opening a disassembly notch on the battery cover. The disassembly and use are convenient, which improves the user experience. The battery cover fixing structure has a simple structure and is convenient for large-scale promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of the battery cover fixing structure provided in the embodiment of the utility model Figure 1 ;

[0024] Figure 2 for Figure 1 Exploded diagram of

[0025] Figure 3 A schematic diagram of the battery cover fixing structure provided in the embodiment of the utility model Figure 2 ;

[0026] Figure 4 for Figure 3 Exploded diagram of

[0027] Figure 5 A schematic diagram of the structure of the middle frame provided in the embodiment of the utility model Figure 1 ;

[0028] Figure 6 A schematic diagram of the structure of the middle frame provided in the embodiment of the utility model Figure 2 ;

[0029] Figure 7 A schematic diagram of the structure of the battery cover provided in the embodiment of the utility model Figure 1 ;

[0030] Figure 8 A schematic diagram of the structure of the battery cover provided in the embodiment of the utility model Figure 2 .

[0031] In the figure:

[0032] 10. lithium battery; 11. charging socket; 12. socket part; 20. middle frame; 21. frame body; 211. storage cavity; 2111. receiving groove; 2112. guide groove; 212. bottom plate; 213. front plate; 214. back plate; 215. side plate; 2151. avoidance groove; 216. strip plate; 217. opening; 22. positioning column; 30. battery cover; 31. slot; 32. top cover; 321. top plate; 322. limit block; 323. arc plate; 33. support plate; 34. grip part; 341. bump. DETAILED DESCRIPTION

[0033] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0034] See also Figures 1 to 6 As shown, an embodiment of the utility model discloses a battery cover fixing structure, including a lithium battery 10, a middle frame 20 and a battery cover 30, the middle frame 20 includes a frame body 21 and at least two positioning posts 22 both protruding from the frame body 21, a storage cavity 211 is provided on the top of the frame body 21, the lithium battery 10 is inserted into the storage cavity 211, and at the same time, a part of the lithium battery 10 is located outside the storage cavity 211, so that the lithium battery 10 can be quickly taken out of the storage cavity 211, and the middle frame 20 is a part of the lock disk.

[0035] The battery cover 30 is provided with at least two slots 31, one end of the battery cover 30 is vertically inserted into the storage cavity 211 from the top of the frame 21, and the other end is located outside the frame 21, and each positioning column 22 is respectively inserted into each slot 31 to fix the battery cover 30. When removing the battery cover 30, it is only necessary to pull the battery cover 30 out of the storage cavity 211 in the reverse direction along the vertical direction, and each positioning column 22 can be separated from each slot 31. The battery cover 30 is easily removed from the middle frame 20. The battery cover 30 covers the lithium battery 10, and the battery cover 30 and the inner wall of the storage cavity 211 enclose a storage space, and the lithium battery 10 is located in the storage space.

[0036] In this embodiment, the number of positioning posts 22 and slots 31 are both two, and the two positioning posts 22 are both protruding from the inner wall of the storage cavity 211. Specifically, the two positioning posts 22 are respectively located at the two ends of the inner wall of the storage cavity 211, and the two positioning posts 22 are respectively inserted into the two slots 31. The slots 31 on both sides of the battery cover 30 are fastened together with the two positioning posts 22 corresponding to the middle frame 20 to fix the battery cover 30.

[0037] The storage cavity 211 includes a receiving groove 2111 provided at the top of the frame 21 and two oppositely arranged guide grooves 2112. The two guide grooves 2112 are both provided on the inner side walls of the receiving groove 2111, and the guide grooves 2112 are recessed and extend from the top of the frame 21 toward the middle of the frame 21. The depth of the guide groove 2112 is less than the depth of the receiving groove 2111. The two positioning columns 22 are respectively protruded on the inner side walls of the two guide grooves 2112. The lithium battery 10 is inserted into the receiving groove 2111, and part of the lithium battery 10 is protruded outside the receiving groove 2111. The two ends of the battery cover 30 are respectively inserted into the two guide grooves 2112, and the middle part of the battery cover 30 covers the lithium battery 10.

[0038] In this embodiment, the frame 21 includes a bottom plate 212, a front plate 213, a rear plate 214 arranged opposite to the front plate 213, two side plates 215 arranged opposite to each other, and four strips 216 arranged at intervals. The two side ends of the side plates 215 are respectively connected to the side ends of the front plate 213 and the side ends of the rear plate 214, the bottom end of the front plate 213, the bottom end of the rear plate 214 and the bottom ends of the two side plates 215 are all connected to the bottom plate 212, and the bottom plate 212, the front plate 213, the rear plate 214 and the two side plates 215 are enclosed to form the accommodating groove 2111, the rear plate 214 is used to be connected to the door frame, and the side plates An L-shaped avoidance groove 2151 is provided at one end of 215 away from the bottom plate 212, and strips 216 are protrudingly provided at the end of the front plate 213 close to the side plate 215 and the end of the rear plate 214 close to the side plate 215. It can also be considered that the strips 216 are provided at the angle between the front plate 213 and the side plate 215, and the angle between the rear plate 214 and the side plate 215. The inner wall of the avoidance groove 2151 and the two strips 216 enclose the guide groove 2112, and the positioning column 22 is protrudingly provided on the inner wall of the avoidance groove 2151 and is located between the corresponding two strips 216.

[0039] In some embodiments, the strip plate 216 may extend outside the guide slot 2112 to provide a certain degree of guidance for the battery cover 30 to be inserted into the guide slot 2112 .

[0040] The distance between the end of the front plate 213 away from the bottom plate 212 and the bottom plate 212 is greater than the distance between the end of the rear plate 214 away from the bottom plate 212 and the bottom plate 212, the height of the front plate 213 is greater than the height of the rear plate 214, and the distance between the end of the side plate 215 close to the front plate 213 away from the bottom plate 212 and the bottom plate 212 is smaller than the distance between the end of the front plate 213 away from the bottom plate 212 and the bottom plate 212, the distance between the end of the side plate 215 close to the rear plate 214 away from the bottom plate 212 and the bottom plate 212 is smaller than the distance between the end of the rear plate 214 away from the bottom plate 212 and the bottom plate 212, and the distance between the end of the side plate 215 away from the bottom plate 212 and the bottom plate 212 gradually increases from the end close to the rear plate 214 to the end close to the front plate 213.

[0041] Please read further Figures 2 to 8 In this embodiment, the battery cover 30 includes a top cover 32 and two support plates 33 protruding from both ends of the top cover 32. Specifically, the top cover 32 is an "n"-shaped structure. The two support plates 33 are connected to the inner side wall of the top cover 32. The two slots 31 are respectively provided on the two support plates 33. The two support plates 33 are inserted into the storage cavity 211. The bottom of the top cover 32 is a slope structure matched with the side plate 215. The bottom 23 of the top cover 32 abuts against the top of the side plate 215. The top cover 32 covers the lithium battery 10. The top cover 32 and the inner wall of the storage cavity 211 enclose the above-mentioned accommodation space.

[0042] In some embodiments, the distance between the top of the top cover 32 and the bottom plate 212 gradually increases from the end close to the rear plate 214 to the end close to the front plate 213, so that the front and rear sides of the top cover 32 are respectively flush with the top of the front plate 213 and the rear plate 214.

[0043] The top cover 32 includes a top plate 321, a limit stopper 322 and two arc plates 323. The two arc plates 323 are respectively connected to the two ends of the top plate 321. The two support plates 33 are respectively connected to the two arc plates 323. The limit stopper 322 is protruded on the top plate 321 and is arranged corresponding to the lithium battery 10. The limit stopper 322 can be pressed against the lithium battery 10 to limit the movement of the lithium battery 10 in the accommodation space.

[0044] In some embodiments, the battery cover 30 also includes a gripping portion 34 for grasping by hand, the gripping portion 34 includes two protrusions 341, the two protrusions 341 are respectively protruded at the two ends of the outer wall of the top cover 32, the protrusions 341 are arranged on the arc plate 323, the fingers pinch the protrusions 341 on the arc plates 323 on both sides of the battery cover 30, and the battery cover 30 is pulled upward with force to separate the slot 31 in the battery cover 30 from the positioning column 22 corresponding to the middle frame 20, and the battery cover 30 can be disassembled.

[0045] In this embodiment, the lithium battery 10 is provided with a charging socket 11, and the charging socket 11 is used to connect to an external power source, so that the lithium battery 10 can be directly taken out of the storage cavity 211 for charging.

[0046] The frame 21 is also penetrated by an opening 217 for the plug in the control board to pass through. The opening 217 is communicated with the storage cavity 211. The plug on the control board in the door lock is passed through the opening 217. The socket part 12 on the lithium battery 10 is snap-connected with the plug to supply power to the control board in the door lock.

[0047] The utility model also discloses a door lock, comprising the battery cover fixing structure as described above, which has the advantages of reliable structural fixation, convenient disassembly and use of the lithium battery 10 and strong integrated appearance.

[0048] Assembly principle of battery cover fixing structure:

[0049] The lithium battery 10 is installed on the middle frame 20 and fixed by the storage cavity 211 of the middle frame 20. The battery cover 30 is assembled on the middle frame 20 and fixed to the corresponding positioning columns 22 on both sides of the middle frame 20 by the slots 31 on both sides of the battery cover 30 to complete the assembly of the lithium battery 10. When taking out and disassembling the lithium battery 10, pinch the protrusions 341 on both sides of the battery cover 30 with your fingers, and apply force upward to separate the two slots 31 in the battery cover 30 from the two positioning columns 22 corresponding to the middle frame 20, so that the battery cover 30 can be taken out. After opening the battery cover 30, the lithium battery 10 can be taken out.

[0050] In summary, in the utility model, a storage cavity 211 is provided at the top of the middle frame 20, one end of the battery cover 30 is vertically inserted into the storage cavity 211 from the top of the frame 21, and the other end is located outside the frame 21, and the positioning posts 22 of the middle frame 20 are respectively inserted into the slots 31 of the battery cover 30, so that the battery cover 30 is reliably fixed. When the door is violently slammed, the battery cover 30 is not easy to fall off from the middle frame 20, and the lithium battery 10 in the storage cavity 211 can be well fixed, and the door lock will not be powered off. When removing the battery cover 30, it is only necessary to pull the battery cover 30 out of the storage cavity 211 in the vertical direction and in the reverse direction, and the positioning posts 22 can be separated from the slots 31. The battery cover 30 is easily removed from the middle frame 20 without opening a disassembly notch on the battery cover 30. The disassembly and use are convenient, which improves the user experience. The battery cover fixing structure has a simple structure and is convenient for large-scale promotion.

[0051] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A battery cover fixing structure, characterized in that: include: Lithium batteries; A middle frame, the middle frame comprising a frame body and at least two positioning posts both protruding from the frame body, a storage cavity being provided on the top of the frame body, and the lithium battery being inserted into the storage cavity; A battery cover, wherein the battery cover is provided with at least two slots, one end of the battery cover is vertically inserted into the storage cavity from the top of the frame, and the other end is located outside the frame, and each positioning column is respectively inserted into each slot, and the battery cover covers the lithium battery.

2. The battery cover fixing structure according to claim 1, characterized in that: The number of the positioning posts and the number of the slots are both two, and the two positioning posts are both protrudingly arranged on the inner wall of the receiving cavity.

3. The battery cover fixing structure according to claim 2, characterized in that: The storage cavity includes a receiving groove arranged at the top of the frame body and two oppositely arranged guide grooves, the two guide grooves are arranged on the inner side walls of the receiving groove, and the guide grooves extend from the top of the frame body toward the middle of the frame body, the two positioning columns are respectively convexly arranged on the inner walls of the two guide grooves, the lithium battery is inserted into the receiving groove, and the battery cover is inserted into the guide groove.

4. The battery cover fixing structure according to claim 3, characterized in that: The frame includes a bottom plate, a front plate, a back plate arranged opposite to the front plate, two side plates arranged opposite to each other and four strip plates arranged at intervals, the two side ends of the side plates are respectively connected to the side ends of the front plate and the side ends of the back plate, the bottom end of the front plate, the bottom end of the back plate and the bottom ends of the two side plates are all connected to the bottom plate, the bottom plate, the front plate, the back plate and the two side plates are combined to form the accommodating groove, an L-shaped avoidance groove is provided at one end of the side plate away from the bottom plate, the end of the front plate close to the side plate and the end of the back plate close to the side plate are both protrudingly provided with the strip plates, the inner wall of the avoidance groove and the two strip plates are combined to form the guide groove, and the positioning column is protruding on the inner side wall of the avoidance groove and is located between the corresponding two strip plates.

5. The battery cover fixing structure according to claim 4, characterized in that: The distance between the end of the front plate away from the bottom plate and the bottom plate is greater than the distance between the end of the rear plate away from the bottom plate and the bottom plate, and the distance between the end of the side plate close to the front plate away from the bottom plate and the bottom plate is smaller than the distance between the end of the front plate away from the bottom plate and the bottom plate, and the distance between the end of the side plate close to the rear plate away from the bottom plate and the bottom plate is smaller than the distance between the end of the rear plate away from the bottom plate and the bottom plate.

6. The battery cover fixing structure according to claim 1, characterized in that: The battery cover comprises a top cover and two support plates protruding from two ends of the top cover respectively, the two slots are respectively arranged on the two support plates, the two support plates are both inserted into the storage cavity, and the top cover covers the lithium battery.

7. The battery cover fixing structure according to claim 6, characterized in that: The top cover includes a top plate, a limit stopper and two arc plates, the two arc plates are respectively connected to the two ends of the top plate, the two support plates are respectively connected to the two arc plates, and the limit stopper is protruding from the top plate and arranged corresponding to the lithium battery.

8. The battery cover fixing structure according to claim 6, characterized in that: The battery cover also includes a gripping portion for human hand gripping, and the gripping portion includes two protrusions, and the two protrusions are respectively protruded at two ends of the top cover.

9. The battery cover fixing structure according to claim 1, characterized in that: The frame is also provided with an opening for the plug in the control panel to pass through, and the opening is communicated with the storage cavity.

10. A door lock, characterized in that: It comprises a battery cover fixing structure as described in any one of claims 1 to 9.