Self-take-up mobile power supply
The self-retracting power bank design solves the problems of inconvenient data cable carrying and insufficient heat dissipation, achieving automatic data cable storage and efficient heat dissipation, thus improving the user experience and safety.
Patent Information
- Application Number
- CN202423251790.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Existing power banks lack built-in charging cables or are inconvenient to carry multiple charging cables, resulting in inconvenience in use, easy loss, and poor heat dissipation.
Design a self-retracting power bank, comprising a main body and a cable retracting mechanism. The main body has built-in heat dissipation fins and a high-speed fan. The cable retracting mechanism automatically retracts the data cable through a reel and locking mechanism, and uses the high-speed fan for heat dissipation.
It achieves automatic data cable storage and convenient charging, improves the aesthetics and heat dissipation efficiency of the power bank, and avoids problems such as lost data cables and overheating batteries.
Smart Images

Figure CN223729471U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mobile power supply technical field, concretely is a self -retraction mobile power supply. BACKGROUND
[0002] Mobile power supply is a kind of portable charger integrated with power supply and charging function, generally by lithium ion battery as the storage carrier, mainly for the mobile power supply of portable electronic product, mobile power supply, as the electronic product of person to carry, through mobile power supply, the electronic product, such as mobile phone, USB lamp and so on carried is charged.
[0003] The existing mobile power supply mainly has the following disadvantages in the process of using: the current mobile power supply does not set the charging wire, or sets the charging wire but the space is wasted greatly, leads to the mobile power supply is heavy, so need to take one or more data lines to go out and can be used, but when going out, it is easy to forget to carry or lose, and carry multiple data lines in the bag winding, so we propose a mobile power supply with self-contained line to solve the above problems. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving one of the technical problems in prior art or related art.
[0005] Therefore, the utility model adopts the technical scheme, a self-retraction mobile power supply, including: main body mechanism and winding mechanism, the main body mechanism includes shell, the heat dissipation fin fixed on the inner wall of shell in annular array, the round plate fixed at the bottom end of heat dissipation fin, the high-speed fan installed on the inner wall of shell, the battery main body embedded between heat dissipation fin and the baffle fixed on the inner wall of shell.
[0006] The winding mechanism includes the cylinder fixed on the top of baffle, the winding disc rotatably sleeved on the cylinder, the clockwork set between cylinder and winding disc and fixed on one end of cylinder and the other end with the inner side of winding disc, the connecting line with one end winding on winding disc and the other end extending out of shell, the locking piece movably arranged in the inner cavity of cylinder and extending out of shell at the top, the conductive piece embedded in the inner cavity of winding disc and extending out of winding disc at the bottom, and the power connection piece passing through the baffle.
[0007] The bottom of winding disc is provided with circular grooves in annular array, the locking piece includes movable cylinder movably arranged in the inner cavity of cylinder and extending out of shell, button fixed on the top of movable cylinder, spring set in the inner cavity of movable cylinder and fixed on one end of the inner top wall of movable cylinder and the other end fixedly connected with the inner bottom wall of cylinder, the supporting rod fixedly arranged on both sides of movable cylinder and extending out of cylinder, and the protrusion fixed on the top of supporting rod, the protrusion and circular groove are embedded with each other.
[0008] The utility model discloses a further configuration in a preferable example can be: the outside of the shell is annular array and is opened with a plurality of air inlet holes, the bottom of the shell is opened with the air outlet, and the filter screen is fixed on the inner wall of air inlet hole and air outlet.
[0009] The utility model discloses a further configuration in a preferable example can be: the connecting wire includes the data line of one end winding on the winding disc and the other end stretching the shell and the end of fixed at the data line end.
[0010] The utility model discloses a further configuration in a preferable example can be: the bottom of the winding disc is opened with the annular groove, the conductive part includes the conductive ring of being inlayed in the annular groove and the bottom stretch of the annular groove and the protruding portion of fixed on the conductive ring, and the end of data line is connected with protruding portion and is fixed.
[0011] The utility model discloses a further configuration in a preferable example can be: the electric connection piece includes two arc conductive plates of setting through the partition and the electric terminal of fixed at the bottom of arc conductive plate, the top of arc conductive plate and the conductive ring sliding contact, and the electric terminal is connected with battery main part electricity.
[0012] The utility model discloses a further configuration in a preferable example can be: the high -speed fan is towards the air outlet side.
[0013] Through adopting above -mentioned technical scheme, the utility model has obtained the beneficial effect that:
[0014] 1. In the utility model, the partition is fixed on the inner wall of the shell, the cylinder is fixed in the middle of the partition, the winding disc is rotatably sleeved on the cylinder, the clockwork is arranged between the cylinder and the winding disc, one end of the data line is wound on the winding disc, the other end of the data line is stretched out of the shell, the locking member is arranged on the cylinder and stretched out of the shell, the winding disc can be locked through the locking member, when the user needs to charge, the locking member is pressed to release the locking of the winding disc, the data line can be pulled out of the winding disc, the mobile device is charged, the locking member is released after the data line is pulled out to a proper length, the winding disc is locked, when the charging is completed, the locking member is pressed to release the locking of the winding disc, the winding disc is reset under the action of the clockwork, the data line is retracted and wound on the winding disc, the automatic winding of the data line is completed, the mobile power supply has the automatic winding after charging, and has good practicality.
[0015] 2. In this utility model, heat dissipation fins are fixed in a ring array on the inner wall of the shell, and a circular plate is fixed at the bottom of the heat dissipation fins. The battery body is placed in the middle of the ring array of heat dissipation fins. At the same time, a high-speed fan is installed at the bottom of the inner cavity of the shell. When the battery body is charging, the high-speed fan starts to draw in outside air. After the cold air enters the shell, it flows in the space between adjacent heat dissipation fins, carrying away the heat on the heat dissipation fins and cooling the battery body. This can effectively prevent the battery body from overheating when discharging, further increasing its practical performance. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of this utility model;
[0017] Figure 2 This is a cross-sectional view of the present invention;
[0018] Figure 3 This utility model Figure 2 Enlarged view of point A in the middle;
[0019] Figure 4 This is a schematic diagram of the wire take-up mechanism of this utility model.
[0020] Figure 5 This is an exploded view of the take-up mechanism of this utility model;
[0021] Figure 6 This is an exploded view of the winding reel of this utility model;
[0022] Figure 7 This is a schematic diagram of the cross-sectional structure of the winding reel of this utility model;
[0023] Figure 8 This is a schematic diagram of the cross-sectional structure of the shell of this utility model.
[0024] Figure label:
[0025] 100. Main body structure; 110. Housing; 111. Air inlet; 112. Exhaust vent; 120. Heat dissipation fins; 130. Circular plate; 140. High-speed fan; 150. Battery body; 160. Separator;
[0026] 200. Take-up mechanism; 210. Cylinder; 220. Take-up reel; 221. Circular groove; 222. Annular groove; 230. Spring; 240. Connecting wire; 241. Data cable; 242. End; 250. Locking element; 251. Movable cylinder; 252. Button; 253. Spring; 254. Support rod; 255. Protrusion; 260. Conductive element; 261. Conductive ring; 262. Protrusion; 270. Electrical connection element; 271. Arc-shaped conductive plate; 272. Electrical terminal. Detailed Implementation
[0027] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further explained in detail below in combination with specific embodiments and in reference to the drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.
[0028] Some embodiments of the utility model are described below in combination with the drawings,
[0029] Embodiment 1:
[0030] In combination with Figures 1-8 the drawings, the embodiment provides a self-winding mobile power supply, which comprises a main body mechanism 100 and a winding mechanism 200.
[0031] The main body mechanism 100 comprises a shell 110, heat dissipation fins 120 fixed in a ring array on the inner wall of the shell 110, a circular plate 130 fixed at the bottom end of the heat dissipation fins 120, a high-speed fan 140 mounted on the inner wall of the shell 110, a battery main body 150 embedded between the heat dissipation fins 120 and a partition plate 160 fixed on the inner wall of the shell 110.
[0032] The shell 110 is circular in cross section, which is convenient to carry, occupies small space, has high aesthetic degree, the heat dissipation fins 120 are fixed in a ring array on the inner wall of the shell 110, which can guide the heat on the battery main body 150 out, increase the heat dissipation area, the circular plate 130 is fixed at the bottom end of the heat dissipation fins 120, which forms a space for placing the battery main body 150 together with the heat dissipation fins 120, the battery main body 150 is used for storing electric quantity and is convenient for power supply for mobile devices.
[0033] A plurality of air inlet holes 111 are formed in a ring array on the outer side of the shell 110, which is convenient for external cold air to enter the inner cavity of the shell 110, and an air outlet hole 112 is formed at the bottom end of the shell 110, which is used for discharging the hot air in the inner cavity of the shell 110, a filter screen is fixed on the inner wall of the air inlet hole 111 and the air outlet hole 112, which can avoid dust and impurities from entering the inner cavity of the shell 110, the high-speed fan 140 is arranged below the circular plate 130 and faces the side of the air outlet hole 112, which can accelerate the air flow in the inner cavity of the shell 110 and improve the heat dissipation efficiency of the battery main body 150.
[0034] The partition plate 160 is used for mounting the winding mechanism 200 and separating the winding mechanism 200 from the battery main body 150.
[0035] The winding mechanism 200 is installed on the partition 160 and can automatically store the charging wire, comprising a cylinder 210 fixed on the top end of the partition 160, a winding disc 220 rotatably sleeved on the cylinder 210, a clockwork 230 arranged between the cylinder 210 and the winding disc 220 and fixed at one end on the cylinder 210 and at the other end on the inner side of the winding disc 220, a connecting wire 240 wound at one end on the winding disc 220 and extended out of the shell 110 at the other end, a locking piece 250 movably arranged at the bottom end in the inner cavity of the cylinder 210 and extended out of the shell 110, a conductive piece 260 embedded in the inner cavity of the winding disc 220 and extended out of the winding disc 220 at the bottom end, and an electricity connecting piece 270 arranged through the partition 160.
[0036] The cylinder 210 is used for mounting the winding disc 220 and ensuring the stability of the winding disc 220 during rotation. The cross section of the winding disc 220 is in the shape of an I-beam. The space on the inner side is used for placing the clockwork 230, and the space on the outer side is used for winding the connecting wire. One end of the clockwork 230 is fixed on the cylinder 210, and the other end is fixed on the inner side of the winding disc 220. The clockwork 230 is used for driving the winding disc 220 to rotate and reset during winding, so as to realize the automatic winding function of the connecting wire 240.
[0037] A circular groove 221 is arranged in the form of an annular array at the bottom end of the winding disc 220. The locking piece 250 comprises a movable cylinder 251 movably arranged in the inner cavity of the cylinder 210 and extended out of the shell 110, a button 252 fixed on the top end of the movable cylinder 251, a spring 253 arranged in the inner cavity of the movable cylinder 251 and fixed at one end on the top wall in the inner cavity of the movable cylinder 251 and at the other end on the bottom wall in the inner cavity of the cylinder 210, a supporting rod 254 fixed symmetrically on the two sides of the movable cylinder 251 and extended out of the cylinder 210, and a protrusion 255 fixed on the top end of the supporting rod 254. The protrusion 255 and the circular groove 221 are embedded in each other. The button 252 is used for conveniently pressing the movable cylinder 251 to move. The movement of the movable cylinder 251 can drive the two supporting rods 254 to move, and then drive the protrusion 255 to move. When the protrusion 255 is embedded in the circular groove 221, the winding disc 220 can be locked to avoid rotation. When the protrusion 255 moves downward to be separated from the circular groove 221, the locking of the winding disc 220 is released, and the winding disc 220 can rotate. The spring 253 can provide upward elastic force to the movable cylinder 251, so that the protrusion 255 is always embedded in the circular groove 221 without external force, that is, the locking of the winding disc 220 is maintained.
[0038] The connecting wire is used for charging the mobile device, comprising a data line 241 wound at one end on the winding disc 220 and extended out of the shell 110 at the other end, and a terminal 242 fixed on the end of the data line 241. The data line 241 is used for transmitting current, and the terminal 242 is used for being inserted into the charging interface of the mobile device.
[0039] The bottom end of the winding disc 220 is provided with an annular groove 222, the electrically conductive part 260 comprises an electrically conductive ring 261 embedded in the annular groove 222 and protruding from the bottom end of the annular groove 222, and a protruding part 262 fixed on the electrically conductive ring 261, and the end of the data line 241 is fixedly connected with the protruding part 262, so that the current on the electrically conductive ring 261 can be transmitted to the data line 241 through the protruding part 262.
[0040] The electrically connecting part 270 comprises two arc-shaped conductive plates 271 penetrating through the partition plate 160 and an electrically connecting terminal 272 fixed on the bottom end of the arc-shaped conductive plates 271, the top end of the arc-shaped conductive plates 271 is in sliding contact with the electrically conductive ring 261, and the electrically connecting terminal 272 is electrically connected with the battery body 150, so that when the winding disc 220 rotates, the current in the battery body 150 can still be transmitted to the electrically conductive ring 261 through the electrically connecting terminal 272 and the arc-shaped conductive plates 271, thereby ensuring the stability of the current output of the battery body 150.
[0041] The working principle and use process of the utility model are as follows: when in use, the button 252 is pressed to drive the movable cylinder 251 to move downwards, the movable cylinder 251 moves downwards to drive the protruding part 255 to move downwards synchronously through the supporting rod 254, so that the protruding part 255 is separated from the circular groove 221 on the winding disc 220, that is, the locking of the winding disc 220 is released, the data line 241 is pulled out to pull the data from the winding disc 220, and the winding disc 220 is driven to rotate, at the same time, the spring 230 is tightened, after the data line 241 is pulled out by a proper distance, the button 252 is released, and under the action of the spring 253, the movable cylinder 251 is driven to move upwards, the movable cylinder 251 moves upwards to drive the protruding part 255 to move upwards through the supporting rod 254 and embed in the circular groove 221 on the winding disc 220, so that the winding disc 220 is locked, that is, the stability of the data line 241 can be maintained, when the charging is completed, the button 252 is pressed again to drive the movable cylinder 251 to move downwards, so that the protruding part 255 is separated from the circular groove 221, and the locking of the winding disc 220 is released, at this time, the spring 230 is released to drive the winding disc 220 to rotate and reset, the winding disc 220 rotates to drive the data line 241 to be rewound on the winding disc 220, so that the automatic winding of the data line 241 is completed, in addition, when the battery body 150 is discharging, the high-speed fan 140 is started to suck the cold air outside through the air inlet hole 111 into the inner cavity of the shell 110, the cold air flows between the adjacent heat dissipation fins 120 after entering the inner cavity of the shell 110, carries away the heat on the heat dissipation fins 120, and is then discharged through the air outlet hole 112, so that the battery body 150 can be effectively cooled.
[0042] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.
Claims
1. A self-retracting cord mobile power supply, comprising: The main body mechanism (100) and the take-up mechanism (200) are characterized in that the main body mechanism (100) comprises a shell (110), radiating fins (120) fixed in an annular array on the inner wall of the shell (110), a circular plate (130) fixed at the bottom end of the radiating fins (120), a high-speed fan (140) mounted on the inner wall of the shell (110), a battery main body (150) embedded between the radiating fins (120), and a partition plate (160) fixed on the inner wall of the shell (110). The take-up mechanism (200) comprises a cylinder (210) fixed at the top end of the partition plate (160), a take-up disc (220) rotatably sleeved on the cylinder (210), a mainspring (230) arranged between the cylinder (210) and the take-up disc (220) and fixed at one end on the cylinder (210) and at the other end on the inner side of the take-up disc (220), a connecting line (240) wound at one end on the take-up disc (220) and extending out of the shell (110) at the other end, a locking piece (250) movably arranged in the inner cavity of the cylinder (210) and extending out of the shell (110) at the top end, a conductive piece (260) embedded in the inner cavity of the take-up disc (220) and extending out of the take-up disc (220) at the bottom end, and an electricity connection piece (270) arranged through the partition plate (160). The bottom end of the take-up disc (220) is provided with a circular groove (221) in an annular array, the locking piece (250) comprises a movable cylinder (251) movably arranged in the inner cavity of the cylinder (210) and extending out of the shell (110), a button (252) fixed at the top end of the movable cylinder (251), a spring (253) arranged in the inner cavity of the movable cylinder (251) and fixed at one end on the top inner wall of the movable cylinder (251) and at the other end on the bottom inner wall of the cylinder (210), two symmetrical supporting rods (254) fixed on the two sides of the movable cylinder (251) and extending out of the cylinder (210), and a protrusion (255) fixed at the top end of the supporting rod (254), the protrusion (255) and the circular groove (221) are embedded in each other.
2. The self-retracting cord mobile power supply of claim 1, wherein, A plurality of air inlet holes (111) are arranged in an annular array on the outer side of the shell (110), and an air outlet hole (112) is arranged at the bottom end of the shell (110), and a filter screen is fixed on the inner wall of the air inlet hole (111) and the air outlet hole (112).
3. The self-retracting cord mobile power supply of claim 1, wherein, The connecting line (240) comprises a data line (241) wound at one end on the take-up disc (220) and extending out of the shell (110) at the other end, and a terminal (242) fixed at the end of the data line (241).
4. The self-retracting cord mobile power supply of claim 3, wherein, The bottom end of the take-up disc (220) is provided with a circular groove (222), the conductive piece (260) comprises a conductive ring (261) embedded in the circular groove (222) and extending out of the circular groove (222) at the bottom end, and a protruding portion (262) fixed on the conductive ring (261), and the end of the data line (241) is connected and fixed with the protruding portion (262).
5. The self-retracting cord mobile power supply of claim 4, wherein, The electricity receiving part (270) comprises two arc-shaped conductive plates (271) arranged through the partition plate (160), and an electricity receiving terminal (272) fixed at the bottom end of the arc-shaped conductive plate (271), the top end of the arc-shaped conductive plate (271) is in sliding contact with the conductive ring (261), and the electricity receiving terminal (272) is electrically connected with the battery body (150).
6. The self-retracting cord mobile power supply of claim 1, wherein, The high-speed fan (140) is located on the side of the air outlet hole (112).