Lithium battery fixing structure and intelligent door lock

Abstract

The utility model discloses a lithium battery fixing structure and an intelligent door lock, the lithium battery fixing structure comprises a lithium battery and a lock plate, and the lithium battery is provided with a slot and a clamping groove opposite to the slot; the lock plate is used for being connected with a door plate and comprises a lock frame, an insertion block and a movable buckle, the lock frame is provided with a containing groove and an avoiding hole communicated with the containing groove, the movable buckle comprises a pressing plate and a clamping head, the insertion block and the pressing plate are arranged on the two opposite sides of the lock frame respectively, the pressing plate is located in the avoiding hole, and the clamping head is arranged on the face, facing the insertion block, of the pressing plate in a protruding mode. The lithium battery is located in the containing groove, the inserting block is inserted into the inserting groove, the clamping head is clamped and inserted into the clamping groove, when the door falls violently, the lithium battery and the lock plate are not prone to loosing, and when the lithium battery needs to be taken out, only the movable buckle needs to be pulled by hand, the clamping head on the movable buckle is separated from the clamping groove of the lithium battery, then the lithium battery is inclined, and the lithium battery can be taken out. And the slot on the lithium battery can be separated from the insertion block on the lock plate, and finally the lithium battery can be taken out.

Description

Technical Field

[0001] This utility model relates to the field of door lock structure technology, and in particular to a lithium battery fixing structure and a smart door lock. Background Technology

[0002] Currently, smart door locks, as a type of smart home product, are gaining popularity among consumers due to their enhanced intelligence and ease of management in terms of security, recognition, and convenience. Common smart door locks are powered by lithium batteries, which are installed in a mounting slot on the lock disc without any interlocking mechanism. A battery cover on the outside of the lock disc conceals the lithium battery; users simply open the cover to replace it.

[0003] However, the battery cover is usually installed on the outer end of the lock disc and near the bottom of the lock disc. When the door is slammed, the battery cover may fall off, and the lithium battery in the mounting slot may easily become loose, affecting the opening of the smart door lock and resulting in a poor user experience. Utility Model Content

[0004] The purpose of this utility model is to provide a lithium battery fixing structure and a smart door lock, in order to solve the technical problem that the battery cover of existing smart door locks is generally installed on the outer end of the lock disc and near the bottom of the lock disc. When the door is slammed, the battery cover falls off and the lithium battery in the mounting slot is easily loosened, affecting the opening of the smart door lock and resulting in a poor user experience.

[0005] This utility model provides a lithium battery fixing structure, including:

[0006] A lithium battery, wherein the lithium battery is provided with a slot and a card slot disposed opposite to the slot;

[0007] A lock plate, used to connect with a door panel, includes a lock frame, a plug, and a movable buckle. The lock frame has a receiving groove and a clearance hole communicating with the receiving groove. The movable buckle includes a pressure plate and a buckle head. The plug and the pressure plate are respectively located on two opposite sides of the lock frame. The pressure plate is located in the clearance hole. The buckle head protrudes from the side of the pressure plate facing the plug. The lithium battery is located in the receiving groove, and the plug is inserted into the slot. The buckle head is engaged in the slot.

[0008] Furthermore, the pressure plate is L-shaped, and the pressure plate includes a first plate and a second plate that is perpendicularly connected to the first plate. The first plate is connected to the inner wall of the clearance hole, and both the first plate and the second plate are located inside the clearance hole. The clamping head protrudes from the side of the first plate facing the insert block.

[0009] Furthermore, the card head has an inclined surface on the side away from the bottom wall of the receiving groove, and the distance between the inclined surface and the bottom wall of the receiving groove gradually decreases from the end closer to the first plate to the end away from the first plate.

[0010] Furthermore, the clearance hole is located near the top side of the door panel, the insertion block is located near the bottom side of the door panel, and the insertion block protrudes from the inner wall of the receiving groove.

[0011] Furthermore, the lithium battery fixing structure also includes an elastic ejector installed on the bottom wall of the receiving groove, the elastic ejector abutting against the lithium battery, and the elastic ejector being disposed near the movable buckle.

[0012] Furthermore, the elastic ejector includes a support piece, a first arc-shaped piece, a first plate, a second arc-shaped piece, and a second plate connected in sequence. The first plate and the second plate are both arranged parallel to the support piece. The lock frame is also provided with a positioning groove and a first through hole. The positioning groove is located on the side of the lock frame near the door panel. One end of the first through hole communicates with the receiving groove and the other end communicates with the positioning groove. The support piece is installed on the lock frame. The first arc-shaped piece, the first plate, and the second plate are all located in the positioning groove. One end of the second arc-shaped piece is located in the positioning groove, and the other end passes through the first through hole and elastically abuts against the lithium battery.

[0013] Furthermore, the lithium battery fixing structure also includes two fasteners, and the locking plate also includes two studs. Each stud has a threaded hole and includes a first column protruding from the side of the locking frame away from the lithium battery and a second column coaxially connected to the first column. The threaded hole extends through the second column from the side of the second column away from the first column and is recessed towards the center of the first column. The positioning groove is located between the two studs. The support plate has two second through holes, and the second column passes through the second through holes. The fasteners are connected to the threaded holes and cover part of the support plate.

[0014] Furthermore, the lock frame includes a frame body and an annular plate. The annular plate and the stud are both protruding from the side of the frame body away from the lithium battery. The receiving groove, the clearance hole, and the first through hole are all provided on the frame body. The inner wall of the annular plate and part of the frame body enclose the positioning groove. The movable buckle and the insert are both connected to the frame body.

[0015] Furthermore, the locking plate is also provided with a third through hole for the interface board to pass through, and the third through hole is connected to the receiving groove.

[0016] This utility model also provides an intelligent door lock, including the lithium battery fixing structure as described above.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0018] This invention involves tilting the lithium battery into the receiving slot. The slot on the lithium battery first engages with the insert on the lock plate. Then, by pressing the movable buckle, the head of the movable buckle is inserted into the slot of the lithium battery, fixing the lithium battery to the lock plate. Even when the door is slammed, the lithium battery will not easily detach from the lock plate. When the lithium battery needs to be removed, simply move the movable buckle by hand to separate the head of the movable buckle from the slot of the lithium battery. Then tilt the lithium battery and move it so that the slot on the lithium battery can separate from the insert on the lock plate. Finally, the lithium battery can be removed from the receiving slot. The entire operation process is simple and easy to understand, provides a good user experience, and is suitable for widespread promotion. Attached Figure Description

[0019] Figure 1 A partial structural diagram of the lithium battery fixing structure provided in this embodiment of the utility model. Figure 1 ;

[0020] Figure 2 for Figure 1 Exploded view;

[0021] Figure 3 A partial structural diagram of the lithium battery fixing structure provided in this embodiment of the utility model. Figure 2 ;

[0022] Figure 4 This is a schematic diagram of the structure of a lithium battery provided in an embodiment of the present utility model;

[0023] Figure 5 Schematic diagram of the structure of the combination of the locking plate and the elastic ejector provided in the embodiment of this utility model Figure 1 ;

[0024] Figure 6 Schematic diagram of the structure of the combination of the locking plate and the elastic ejector provided in the embodiment of this utility model Figure 2 ;

[0025] Figure 7 for Figure 6 Exploded view;

[0026] Figure 8 This is a partial structural diagram of the lock plate provided in an embodiment of the present utility model;

[0027] Figure 9 This is a schematic diagram of the structure of the elastic ejector provided in an embodiment of the present invention.

[0028] In the picture:

[0029] 10. Lithium battery; 11. Slot; 12. Card slot; 13. Protrusion; 14. Insert end; 20. Locking plate; 21. Locking frame; 211. Receiving groove; 212. Clearance hole; 213. Positioning groove; 214. First through hole; 215. Frame; 216. Annular plate; 22. Insert block; 23. Movable buckle; 231. Pressure plate; 2311. First plate; 2312. Second plate; 2 32. Chuck; 2321. Inclined surface; 24. Strip hole; 25. Stud; 251. Threaded hole; 252. First column; 253. Second column; 26. Positioning rod; 27. Third through hole; 30. Elastic ejector; 31. Support plate; 311. Second through hole; 312. Positioning hole; 32. First arc-shaped piece; 33. First plate; 34. Second arc-shaped piece; 35. Second plate. Detailed Implementation

[0030] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0031] Please see Figures 1 to 6 As shown in the figure, this utility model discloses a lithium battery fixing structure, mainly used in smart door locks. The lithium battery fixing structure includes a lithium battery 10 and a lock plate 20. The outer wall of the lithium battery 10 is provided with a slot 11 and a slot 12 opposite to the slot 11. The slot 12 and the slot 11 are respectively located on the upper and lower sides of the lithium battery 10. The slot 12 is a long strip structure. The lock plate 20 is used to connect with the door panel. The lock plate 20 in the figure is only a part of the actual lock plate 20 structure. The lock plate 20 includes a lock frame 21, a plug 22 and a movable buckle 23 for pressing by hand. The lock plate 20 is vertically arranged. The lock frame 21 is provided with a receiving groove 211 and an avoidance hole 212 communicating with the receiving groove 211. The avoidance hole 212 is located on one side of the top of the receiving groove 211. The movable buckle 23 includes a pressure plate 231 and a buckle head 232. The insert block 22 and the pressure plate 231 are respectively located on two opposite sides of the lock frame 21. The pressure plate 231 is located in the clearance hole 212. The locking head 232 protrudes from the side of the pressure plate 231 facing the insert block 22. The lithium battery 10 is located in the receiving groove 211, and the insert block 22 is inserted into the slot 11. The locking head 232 is inserted into the slot 12, thereby fixing both ends of the lithium battery 10. When the door is slammed, the lithium battery 10 will not easily come loose from the lock plate 20. When it is necessary to remove the lithium battery 10, simply move the movable buckle 23 by hand to separate the locking head 232 on the movable buckle 23 from the lithium battery 10. Then tilt the lithium battery 10 and move the lithium battery 10. The slot 11 on the lithium battery 10 can be separated from the insert block 22 on the lock plate 20. Finally, the lithium battery 10 can be taken out from the receiving groove 211.

[0032] In this embodiment, the pressure plate 231 is L-shaped and includes a first plate 2311 and a second plate 2312 perpendicularly connected to the first plate 2311. The first plate 2311 is connected to the inner wall of the clearance hole 212. Both the first plate 2311 and the second plate 2312 are located inside the clearance hole 212. The second plate 2312 is spaced apart from the inner wall of the clearance hole 212. The second plate 2312 is parallel to the bottom wall of the receiving groove 211. The second plate 2312 is used for pressing by hand. The locking head 232 protrudes from the side of the first plate 2311 facing the insertion block 22, so that when the lithium battery 10 is fixed in the receiving groove 211, the lithium battery 10 is more reliably fixed and the user can more easily take out and put in the lithium battery 10.

[0033] In some embodiments, a strip hole 24 is provided at the connection between the first plate 2311 and the bottom wall of the receiving groove 211 so that the upper movable buckle 23 can be made directly on the mold without the mold having an inclined top. It can also be used for the protrusion 13 on the lithium battery 10 to be inserted.

[0034] The bottom wall side of the card head 232 away from the receiving groove 211 is provided with an inclined surface 2321, which is a chamfer in reality. The distance between the inclined surface 2321 and the bottom wall of the receiving groove 211 gradually decreases from the end closer to the first plate 2311 to the end away from the first plate 2311. When it is necessary to install the lithium battery 10, the lithium battery 10 can be directly pressed into the receiving groove 211 along the inclined surface 2321 to achieve quick installation of the lithium battery 10.

[0035] In some embodiments, the clearance hole 212 is disposed near the top side of the door panel, the insertion block 22 is disposed near the bottom side of the door panel, and the insertion block 22 protrudes from the inner sidewall of the receiving groove 211, so as to conform to the user's habit of disassembling and assembling the lithium battery 10 and facilitate quick operation later.

[0036] Please refer to further information. Figures 4 to 9 In this embodiment, the lithium battery fixing structure also includes an elastic ejector 30 installed on the bottom wall of the receiving groove 211. The elastic ejector 30 is made of a sheet of iron through multiple bending. The elastic ejector 30 abuts against the lithium battery 10. The elastic ejector 30 is located close to the movable buckle 23. When the movable buckle 23 is moved by hand, the buckle head 232 on the movable buckle 23 separates from the inner groove 12 of the lithium battery 10. Then, under the action of the elastic ejector 30, the lithium battery 10 can be tilted and ejected.

[0037] The elastic ejector 30 includes a support plate 31, a first arc-shaped plate 32, a first plate 33, a second arc-shaped plate 34, and a second plate 35 connected in sequence. The first plate 33 and the second plate 35 are both arranged parallel to the support plate 31. The lock frame 21 is also provided with a positioning groove 213 and a first through hole 214. The positioning groove 213 is located on the side of the lock frame 21 near the door panel. One end of the first through hole 214 is connected to the receiving groove 211 and the other end is connected to the positioning groove 213. The support plate 31 is installed on the outer wall of the lock frame 21. The first arc-shaped plate 32, the first plate 33, and the second plate 35 are all located in the positioning groove 213. One end of the second arc-shaped plate 34 is located in the positioning groove 213, and the other end passes through the first through hole 214 and elastically abuts against the lithium battery 10 to provide elastic ejection force to the lithium battery 10.

[0038] The lithium battery fixing structure also includes two fasteners. The locking plate 20 also includes two studs 25. The studs 25 are provided with threaded holes 251. The studs 25 include a first column 252 protruding from the side of the locking frame 21 away from the lithium battery 10 and a second column 253 coaxially connected to the first column 252. The threaded hole 251 extends through the second column 253 from the side away from the first column 252 and is recessed towards the middle of the first column 252. The positioning groove 213 is located between the two studs 25. The support plate 31 is provided with two second through holes 311. The second column 253 passes through the second through holes 311. The fasteners are connected to the threaded holes 251 and cover part of the support plate 31 so as to fix the elastic ejector 30 to the locking plate 20. The fasteners are screws.

[0039] The lock frame 21 includes a frame body 215 and an annular plate 216. The annular plate 216 and the stud 25 are both protruding from the side of the frame body 215 away from the lithium battery 10. The receiving groove 211, the clearance hole 212 and the first through hole 214 are all provided on the frame body 215. The inner wall of the annular plate 216 and part of the outer wall of the frame body 215 enclose the positioning groove 213. The movable buckle 23 and the insert block 22 are both connected to the frame body 215.

[0040] In some embodiments, the locking plate 20 further includes at least one positioning rod 26, which also protrudes from the side of the frame 215 away from the lithium battery 10. The support plate 31 is also provided with at least one positioning hole 312. The number of positioning rods 26 and positioning holes 312 is one. The positioning rod 26 is inserted into the positioning hole 312 to pre-fix the elastic ejector 30 to the locking plate 20.

[0041] The lock plate 20 is also provided with a third through hole 27 for the interface board to pass through. The third through hole 27 is connected to the receiving groove 211. The interface board is installed on the third through hole 27. The plug end 14 on the lithium battery 10 can be electrically connected to the interface board. The lithium battery 10 can be electrically connected to the main board in the smart door lock through the interface board.

[0042] This utility model also discloses an intelligent door lock, including the lithium battery fixing structure as described above.

[0043] The disassembly and assembly principle of lithium battery 10 is as follows:

[0044] When it is necessary to install the lithium battery 10, tilt the lithium battery 10 into the receiving groove 211. At this time, the slot 11 on the lithium battery 10 first connects with the plug 22 on the locking plate 20. Then, by pressing the movable buckle 23, the movable buckle 23 is opened, and the lithium battery 10 is pushed into the receiving groove 211. The buckle head 232 on the movable buckle 23 is inserted into the buckle slot 12 of the lithium battery 10, and the elastic ejector 30 is compressed, thereby fixing the lithium battery 10 to the locking plate 20.

[0045] When it is necessary to remove the lithium battery 10, simply move the movable latch 23 by hand to separate the latch head 232 on the movable latch 23 from the slot 12 on the lithium battery 10. Under the elastic action of the elastic ejector 30, the lithium battery 10 will be tilted out. Move the lithium battery 10 upward by hand, and the slot 11 on the lithium battery 10 can be separated from the insert block 22 on the locking plate 20. Finally, the lithium battery 10 can be taken out from the receiving slot 211.

[0046] In summary, the lithium battery 10 of this invention is tilted and placed into the receiving slot 211. The slot 11 on the lithium battery 10 first engages with the insert block 22 on the lock plate 20. Then, by pressing the movable buckle 23, the buckle head 232 on the movable buckle 23 is inserted into the slot 12 of the lithium battery 10, thus fixing the lithium battery 10 to the lock plate 20. When the door is slammed, the lithium battery 10 will not easily detach from the lock plate 20. When it is necessary to remove the lithium battery 10, simply move the movable buckle 23 by hand to separate the buckle head 232 from the slot 12 of the lithium battery 10. Then tilt the lithium battery 10 and move it. The slot 11 on the lithium battery 10 can then separate from the insert block 22 on the lock plate 20. Finally, the lithium battery 10 can be removed from the receiving slot 211. The entire operation process is simple and easy to understand, provides a good user experience, and is suitable for widespread promotion.

[0047] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A lithium battery fixing structure characterized by comprising: include: A lithium battery, wherein the lithium battery is provided with a slot and a card slot disposed opposite to the slot; A lock plate, used to connect with a door panel, includes a lock frame, a plug, and a movable buckle. The lock frame has a receiving groove and a clearance hole communicating with the receiving groove. The movable buckle includes a pressure plate and a buckle head. The plug and the pressure plate are respectively located on two opposite sides of the lock frame. The pressure plate is located in the clearance hole. The buckle head protrudes from the side of the pressure plate facing the plug. The lithium battery is located in the receiving groove, and the plug is inserted into the slot. The buckle head is engaged in the slot.

2. The lithium battery fixation structure according to claim 1, characterized in that, The pressure plate is L-shaped and includes a first plate and a second plate that is perpendicularly connected to the first plate. The first plate is connected to the inner wall of the clearance hole. Both the first plate and the second plate are located inside the clearance hole. The locking head protrudes from the side of the first plate facing the insertion block.

3. The lithium battery fixation structure according to claim 2, characterized in that, The card head has an inclined surface on the side away from the bottom wall of the receiving groove, and the distance between the inclined surface and the bottom wall of the receiving groove gradually decreases from the end closer to the first plate to the end away from the first plate.

4. The lithium battery fixation structure according to claim 1, characterized in that, The clearance hole is located near the top side of the door panel, the insert is located near the bottom side of the door panel, and the insert protrudes from the inner wall of the receiving groove.

5. The lithium battery fixation structure according to claim 1, characterized in that, The lithium battery fixing structure also includes an elastic ejector installed on the bottom wall of the receiving groove. The elastic ejector abuts against the lithium battery and is positioned close to the movable buckle.

6. The lithium battery fixation structure according to claim 5, characterized in that, The elastic ejector includes a support piece, a first arc-shaped piece, a first plate, a second arc-shaped piece, and a second plate connected in sequence. The first plate and the second plate are both arranged parallel to the support piece. The lock frame is also provided with a positioning groove and a first through hole. The positioning groove is located on the side of the lock frame near the door panel. One end of the first through hole communicates with the receiving groove and the other end communicates with the positioning groove. The support piece is installed on the lock frame. The first arc-shaped piece, the first plate, and the second plate are all located in the positioning groove. One end of the second arc-shaped piece is located in the positioning groove, and the other end passes through the first through hole and elastically abuts against the lithium battery.

7. The lithium battery fixation structure according to claim 6, characterized in that, The lithium battery fixing structure also includes two fasteners, and the locking plate also includes two studs. Each stud has a threaded hole and includes a first column protruding from the side of the locking frame away from the lithium battery and a second column coaxially connected to the first column. The threaded hole extends through the second column from the side of the second column away from the first column and is recessed towards the center of the first column. The positioning groove is located between the two studs. The support plate has two second through holes, and the second column passes through the second through holes. The fasteners are connected to the threaded holes and cover part of the support plate.

8. The lithium battery fixation structure according to claim 7, characterized in that, The lock frame includes a frame body and an annular plate. The annular plate and the stud are both protruding from the side of the frame body away from the lithium battery. The receiving groove, the clearance hole and the first through hole are all provided on the frame body. The inner wall of the annular plate and part of the frame body enclose the positioning groove. The movable buckle and the insert are both connected to the frame body.

9. The lithium battery fixation structure according to claim 1, characterized in that, The locking plate is also provided with a third through hole for the interface board to pass through, and the third through hole is connected to the receiving groove.

10. An intelligent door lock, characterized by Including the lithium battery mounting structure as described in any one of claims 1-9.

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