Locking structure of charger
By designing a locking structure in the charger, and utilizing the cooperation of locking and unlocking blocks, the problem of batteries coming loose during charging is solved, achieving stable battery fixation and convenient battery replacement.
Patent Information
- Application Number
- CN202520139364.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Existing chargers lack battery securing protection, causing the battery to easily come loose during charging, affecting its use.
A locking structure for a charger is designed, including a body, a swing cylinder, a locking block, and an unlocking block. The locking and unlocking blocks work together to lock and unlock the swing cylinder, preventing the battery from coming loose.
It achieves stable fixation of the battery during charging, preventing it from loosening and facilitating battery replacement and smooth charging.
Smart Images

Figure CN223829071U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of chargers, and more specifically, to a locking structure for chargers. Background Technology
[0002] Cylindrical batteries are commonly used in small household appliances and come in two types: dry cell batteries and rechargeable batteries. Dry cell batteries are single-use batteries that cannot be recharged; common types include alkaline and carbon-zinc batteries. Rechargeable batteries, on the other hand, can be repeatedly charged using a charger.
[0003] Existing chargers lack internal components to secure and protect the battery, making it prone to loosening during charging and thus preventing the battery from charging, affecting user experience. Utility Model Content
[0004] The purpose of this invention is to provide a locking structure for a charger, which aims to solve the problem that batteries are prone to loosening during charging in the prior art.
[0005] This utility model is implemented as follows: the locking structure of the charger includes a body, the body having a hollow area, a swinging cylinder connected to the body, the swinging cylinder having a cavity for placing batteries, the body having a locking block for locking the swinging cylinder in the hollow area and an unlocking block for driving the locking block to separate from the swinging cylinder, the unlocking block being at least partially exposed outside the body, the locking block being at least partially exposed in the hollow area, and the unlocking block and the locking block being in movable contact;
[0006] When the swing cylinder swings to the hollow area, the unlocking block is inserted into the swing cylinder to lock the swing cylinder; the unlocking block drives the locking block to disengage from the swing cylinder, so that the machine body releases the lock on the swing cylinder.
[0007] Furthermore, a locking groove is formed by an inward recess on the outer side of the swing cylinder. When the swing cylinder swings into the hollow area, the unlocking block is inserted into the locking groove to lock the swing cylinder in the hollow area.
[0008] Furthermore, a reset spring is connected to the locking block to drive the locking block to move toward the hollow region.
[0009] Furthermore, the machine body is provided with a track for the locking block to slide in a specific direction, the bottom of the locking block is inserted into the track, one end of the track is provided with a limiting plate for limiting the sliding distance of the locking block, and the reset spring is located in the track.
[0010] Furthermore, the outer end of the locking block is provided with an abutment, which is exposed in the hollow area. One end of the return spring abuts against the inner end of the locking block, and the other end of the return spring abuts against the limiting plate. Slider blocks are provided on both sides of the locking block, with the bottom of the slider abutting against the top of the track. The slider and the unlocking block are in movable contact.
[0011] Furthermore, an abutment end face is formed at the end of the abutment head opposite to the locking block, and inclined guide end faces are formed on both sides of the abutment end face.
[0012] Furthermore, the slider has a downwardly inclined end face on the side facing the abutment, and the bottom of the unlocking block has an upwardly inclined end face. The unlocking block and the slider are in contact via the upwardly inclined end face and the downwardly inclined end face.
[0013] Furthermore, a rotating body protrudes outward from the outer side of the swing cylinder, and rotating gear shafts protrude from the upper and lower ends of the rotating body, and the rotating body is rotatably connected to the machine body through the rotating gear shafts.
[0014] Furthermore, the upper and lower sides of the body are respectively provided with horizontally arranged upper bars and horizontally arranged lower bars, and the upper bars and lower bars are vertically spaced apart to form the hollow area. The upper bars and lower bars are connected by a rotating body.
[0015] The upper and lower bars are provided with connecting ends facing each other at their ends away from the machine body. Both connecting ends are located in the hollow area. The rotating body is rotatably connected by a rotating gear shaft inserted into the connecting ends. The inner sidewalls of the connecting ends are provided with locking pieces facing each other, and the upper parts of the two locking pieces are respectively movably abutting against the upper sides of the rotating gear shaft.
[0016] Furthermore, the hollow region is provided with a positive terminal and a negative terminal. When the swing cylinder swings into the hollow region, the positive terminal of the battery abuts against the positive terminal, and the negative terminal of the battery abuts against the negative terminal. The body is provided with a data port connected to the data cable, and the data port is electrically connected to the positive terminal and the negative terminal.
[0017] Compared with existing technologies , The charger locking structure provided by this utility model allows the body and the swing cylinder to be quickly connected and locked through a locking block, preventing the swing cylinder from swinging randomly and thus affecting the conductivity of the battery. By pressing the unlocking block, the locking block is driven to separate from the swing cylinder, allowing the swing cylinder to move the battery away from the hollow area, thus realizing the replacement of the battery and solving the problem of the battery easily coming loose during charging. Attached Figure Description
[0018] Figure 1This is a three-dimensional schematic diagram of the locking structure of the charger provided by this utility model;
[0019] Figure 2 This is an exploded perspective view of the locking structure of the charger provided by this utility model;
[0020] Figure 3 This is a top sectional perspective view of the locking structure of the charger provided by this utility model;
[0021] Figure 4 This is a three-dimensional schematic diagram of the locking block provided by this utility model;
[0022] Figure 5 This is a three-dimensional schematic diagram of the connection between the rotating gear shaft and the locking plate provided by this utility model.
[0023] In the diagram: 10 body, 20 swing cylinder, 30 locking block, 40 unlocking block, 50 reset spring, 60 data port, 11 hollow area, 12 upper bar, 13 lower bar, 14 connecting end, 15 locking piece, 16 track, 17 limiting plate, 21 cylinder cavity, 22 locking groove, 23 rotating body, 24 rotating gear shaft, 31 abutment joint, 32 slider, 33 abutment end face, 34 guide end face, 35 downward inclined end face, 41 upward inclined end face. Detailed Implementation
[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.
[0025] The implementation of this utility model will be described in detail below with reference to specific embodiments.
[0026] In the accompanying drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "left," and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are 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, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting this utility model. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.
[0027] Reference Figure 1-5 The image shown is a preferred embodiment of the present invention.
[0028] The charger's locking structure includes a body 10, a hollow region 11 in the body 10, a swinging cylinder 20 connected to the body 10, a cylinder cavity 21 for placing batteries in the swinging cylinder 20, a locking block 30 for locking the swinging cylinder 20 in the hollow region 11 and an unlocking block 40 for driving the locking block 30 to separate from the swinging cylinder 20, the unlocking block 40 being at least partially exposed outside the body 10, the locking block 30 being at least partially exposed in the hollow region 11, and the unlocking block 40 and the locking block 30 being in movable contact.
[0029] When the swing cylinder 20 swings into the hollow region 11, the unlocking block 40 is inserted into the swing cylinder 20 to lock the swing cylinder 20 by the body 10; the unlocking block 40 drives the locking block 30 to disengage from the swing cylinder 20 so that the body 10 releases the lock on the swing cylinder 20.
[0030] The locking structure of the charger provided above allows the body 10 and the swing cylinder 20 to be quickly connected and locked by the locking block 30, preventing the swing cylinder 20 from swinging arbitrarily and thus affecting the conductivity of the battery. By pressing the unlocking block 40, the locking block 30 is driven to separate from the swing cylinder 20, allowing the swing cylinder 20 to move the battery away from the hollow area 11, thus enabling battery replacement and solving the problem of the battery easily coming loose during charging.
[0031] The main body 10 is equipped with a battery power indicator light, which makes it easy to observe the battery power status and whether the charger is working.
[0032] In this embodiment, a locking groove 22 is formed by an inward recess on the outer side of the swing cylinder 20. When the swing cylinder 20 swings into the hollow region 11, the unlocking block 40 is inserted into the locking groove 22 to lock the swing cylinder 20 in the hollow region 11.
[0033] The swing cylinder 20 allows the unlocking block 40 to be inserted, thereby locking the swing cylinder 20 in the hollow area 11 and preventing the battery from becoming loose during forward or reverse charging.
[0034] In this embodiment, a reset spring 50 is connected to the locking block 30 to drive the locking block 30 to move toward the hollow region 11. In this way, the reset spring 50 can drive the locking block 30 to reset outward, and in turn, the locking block 30 drives the unlocking block 40 to reset outward.
[0035] In this embodiment, the body 10 is provided with a track 16 for the locking block 30 to slide in a direction. The bottom of the locking block 30 is inserted into the track 16. One end of the track 16 is provided with a limiting plate 17 for limiting the sliding distance of the locking block 30. The reset spring 50 is located in the track 16.
[0036] The track 16 can be used to orient the sliding of the locking block 30, preventing the locking block 30 from failing to reset during the sliding process. The track 16, together with the limiting plate 17, is used to limit the sliding distance of the locking block 30. The limiting plate 17 can provide a support point for the reset spring 50, so that the reset spring 50 can elastically drive the locking block 30 to reset and move.
[0037] In this embodiment, the outer end of the locking block 30 is provided with an abutment 31, which is exposed in the hollow area 11. One end of the return spring 50 abuts against the inner end of the locking block 30, and the other end of the return spring 50 abuts against the limiting plate 17. Slider 32 is provided on both sides of the locking block 30, with the bottom of the slider 32 abutting against the top of the track 16. The slider 32 is in movable contact with the unlocking block 40.
[0038] Pressing the unlocking block 40 can drive the slider 32, which in turn causes the locking block 30 to move away from the swing cylinder 20, thereby unlocking the swing cylinder 20 from the body 10.
[0039] In this embodiment, the end of the abutment 31 opposite to the locking block 30 has an abutment end face 33, and inclined guide end faces 34 are respectively formed on both sides of the abutment end face 33, with the edges of the guide end faces 34 arranged in an arc shape.
[0040] The abutment 31 can be guided and pushed by the swing cylinder 20 through the guide end face 34, so that the abutment 31 drives the locking block 30 to move backward, thereby making the locking groove 22 of the swing cylinder 20 and the abutment 31 arranged opposite to each other, reducing the frictional resistance between the swing cylinder 20 and the abutment 31, and making it easier for the abutment 31 to automatically insert into the locking groove 22 during the swing of the swing cylinder 20, so as to realize the connection and locking between the machine body 10 and the swing cylinder 20.
[0041] In this embodiment, a downwardly inclined end face 35 is formed on the side of the slider 32 facing the abutment 31, and an upwardly inclined end face 41 is formed on the bottom of the unlocking block 40. The unlocking block 40 and the slider 32 are in movable contact through the upwardly inclined end face 41 and the downwardly inclined end face 35.
[0042] The unlocking block 40 slides against the lower inclined end face 35 of the slider 32 via the upper inclined end face 41. As the unlocking block 40 moves toward the locking block 30, the unlocking block 40 pushes the lower inclined end face 35 via the upper inclined end face 41, thereby causing the slider 32 to drive the locking block 30 away from the swing cylinder 20, thus unlocking. The locking block 30 and the unlocking block 40 can be reset by the reset spring 50.
[0043] In this embodiment, a rotating body 23 protrudes outward from the outer side of the swing cylinder 20. Rotating gear shafts 24 protrude from the upper and lower ends of the rotating body 23, and the rotating body 23 is rotatably connected to the machine body 10 through the rotating gear shafts 24. In this way, the rotating body 23 can be rotatably connected to the machine body 10 through the rotating gear shafts 24, which can give the swing cylinder 20 a tactile feedback, so that the swing cylinder 20 can be stably positioned when swinging and prevent it from swinging randomly.
[0044] In this embodiment, the upper and lower sides of the body 10 are respectively provided with a horizontally arranged upper strip 12 and a horizontally arranged lower strip 13. The upper strip 12 and the lower strip 13 are vertically spaced apart to form a hollow area 11. The upper strip 12 and the lower strip 13 are connected by a rotating body 23.
[0045] The upper bar 12 and the lower bar 13 facilitate the connection of the rotating body 23. The rotating body 23 is rotatably connected to the upper bar 12 and the lower bar 13 respectively through two rotating gear shafts 24. This also prevents the body 10 from obstructing the swing of the swing cylinder 20. It also allows the two ends of the battery to be connected to the positive and negative terminals respectively, so as to realize the forward charging or reverse charging of the battery.
[0046] The upper bar 12 and the lower bar 13 are provided with connecting ends 14 facing each other at the ends away from the body 10. Both connecting ends 14 are located in the hollow area 11. The rotating body 23 is inserted into the connecting ends 14 and rotated through the rotating gear shaft 24. The inner sidewalls of the connecting ends 14 are provided with locking pieces 15 facing each other. The upper parts of the two locking pieces 15 are respectively moved to abut against the upper sides of the rotating gear shaft 24.
[0047] The rotating gear shaft 24 is rotatably connected through the connecting end 14, which allows the swing cylinder 20 to be spaced apart from the upper bar 12 or the lower bar 13, preventing frictional obstruction between the swing cylinder 20 and the upper bar 12 or the lower bar 13 during the swing process.
[0048] By using two locking pieces 15 to abut against the upper sides of the rotating gear shaft 24, the swing cylinder 20 can have a jerky feel during rotation, so that the swing cylinder 20 can be stably positioned during swinging and prevent it from swinging randomly.
[0049] In this embodiment, the hollow region 11 is provided with a positive terminal and a negative terminal. When the swing cylinder 20 swings into the hollow region 11, the positive terminal of the battery comes into contact with the positive terminal and the negative terminal of the battery comes into contact with the negative terminal. The body 10 is provided with a data port 60 connected to the data cable. The data port 60 is electrically connected to the positive terminal and the negative terminal.
[0050] The battery can be charged in either the forward or reverse direction via data port 60; data port 60 includes a USB interface and a TOPC interface. This allows the charger to charge the battery in either the forward or reverse direction via the USB and TOPC interfaces, increasing the versatility of the charging interface.
[0051] In this embodiment, the positive electrode is located in the upper strip 12, and the negative electrode is located in the lower strip 13. An elastically deformable positive electrode sheet protrudes from the positive electrode towards the hollow region 11, and an elastically deformable negative electrode sheet protrudes from the negative electrode towards the hollow region 11. Thus, during the process of the swinging cylinder 20 driving the battery to swing to the hollow region 11, the positive or negative electrode sheet will not affect the battery's swing. Furthermore, the elastically deformable positive and negative electrode sheets will form a clamping and abutting contact with the battery, thereby increasing the stability of the conductivity process.
[0052] In this embodiment, the body 10 is provided with a hanging opening for a rope to pass through. In this way, the user can tie the body 10 with a rope through the hanging opening for easy carrying.
[0053] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A locking structure for a charger, characterized in that, The device includes a body with a hollow area, a swinging cylinder connected to the body, the swinging cylinder having a cavity for placing a battery, a locking block for locking the swinging cylinder in the hollow area, and an unlocking block for driving the locking block to separate from the swinging cylinder. The unlocking block is at least partially exposed outside the body, the locking block is at least partially exposed in the hollow area, and the unlocking block and the locking block are in movable contact. When the swing cylinder swings to the hollow area, the unlocking block is inserted into the swing cylinder to lock the swing cylinder; the unlocking block drives the locking block to disengage from the swing cylinder, so that the machine body releases the lock on the swing cylinder.
2. The locking structure of the charger as described in claim 1, characterized in that, The outer side of the swing cylinder is recessed inward to form a locking groove. When the swing cylinder swings into the hollow area, the unlocking block is inserted into the locking groove to lock the swing cylinder in the hollow area.
3. The locking structure of the charger as described in claim 1, characterized in that, The locking block is connected to a reset spring that drives the locking block to move toward the hollow area.
4. The locking structure of the charger as described in claim 3, characterized in that, The machine body is provided with a track for the locking block to slide in a certain direction. The bottom of the locking block is inserted into the track. A limiting plate is provided at one end of the track to limit the sliding distance of the locking block. The reset spring is located in the track.
5. The locking structure of the charger as described in claim 4, characterized in that, The outer end of the locking block is provided with an abutment, which is exposed in the hollow area. One end of the return spring abuts against the inner end of the locking block, and the other end of the return spring abuts against the limiting plate. Slider blocks are provided on both sides of the locking block, with the bottom of the slider abutting against the top of the track. The slider and the unlocking block are in movable contact.
6. The locking structure of the charger as described in claim 5, characterized in that, The end of the abutment facing away from the locking block has an abutment end face, and inclined guide end faces are formed on both sides of the abutment end face.
7. The locking structure of the charger as described in claim 5, characterized in that, The slider has a downwardly inclined end face on the side facing the abutment, and the bottom of the unlocking block has an upwardly inclined end face. The unlocking block and the slider are in contact via the upwardly inclined end face and the downwardly inclined end face.
8. The locking structure of the charger as described in any one of claims 1 to 7, characterized in that, The outer side of the swing cylinder has a rotating body protruding outward, and the upper and lower ends of the rotating body are respectively provided with rotating gear shafts. The rotating body is rotatably connected to the machine body through the rotating gear shafts.
9. The locking structure of the charger as described in claim 8, characterized in that, The upper and lower sides of the body are respectively provided with horizontally arranged upper bars and horizontally arranged lower bars. The upper bars and lower bars are vertically spaced apart to form the hollow area. The upper bars and lower bars are connected by a rotating body. The upper and lower bars are provided with connecting ends facing each other at their ends away from the machine body. Both connecting ends are located in the hollow area. The rotating body is rotatably connected by a rotating gear shaft inserted into the connecting ends. The inner sidewalls of the connecting ends are provided with locking pieces facing each other, and the upper parts of the two locking pieces are respectively movably abutting against the upper sides of the rotating gear shaft.
10. The locking structure of the charger as described in any one of claims 1 to 7, characterized in that, The hollow area is provided with a positive terminal and a negative terminal. When the swing cylinder swings into the hollow area, the positive terminal of the battery comes into contact with the positive terminal and the negative terminal of the battery comes into contact with the negative terminal. The body is provided with a data port that is connected to the data cable. The data port is electrically connected to the positive terminal and the negative terminal.