CN203193307U - power bank - Google Patents

Abstract

The utility model discloses a mobile power supply, which comprises a rear cover, a front cover, a main body part, a plurality of magnetic suction pieces and a first transmission line; the rear cover is formed by enclosing a rear plate and a first side wall, a first convex rib is convexly arranged inside the rear cover, two ends of the first convex rib respectively enclose a first accommodating space with the rear plate and the first side wall, and a first narrow slot is formed in one side of the first side wall; the front cover is covered on the rear cover and is formed by enclosing a front plate and a second side wall, a second convex rib is convexly arranged inside the front cover, two opposite ends of the second convex rib respectively enclose a second accommodating space with the front plate and the second side wall, a second narrow slot is arranged on one side of the second side wall, each first accommodating space and each second accommodating space enclose to form an accommodating space, and the first narrow slot and the second narrow slot enclose to form a narrow slot; one end of the first transmission line is connected with a first plug, the other end of the first transmission line is connected with a second plug, the first plug and the second plug are contained in the corresponding containing spaces, and the first transmission line is contained in the slot.

Description

power bank

technical field

The utility model relates to a peripheral device of an electronic product, in particular to a mobile power supply.

Background technique

Due to the rapid development of the electronic information industry, the indispensable personal belongings of modern people, such as mobile phones, MP3, notebook computers, digital cameras and other portable electronic products, all use built-in rechargeable batteries as their main power source, and In order to keep these electronic products in a usable state at any time, there are many kinds of mobile power products that have been developed accordingly. Small devices are used to store backup power so that users can replenish power anytime and anywhere without worrying about the power of electronic products running out. The problem.

However, most mobile power supplies are applicable to a variety of portable electronic products of different brands. Most of them need to use the USB output socket to supply power. For mobile power connection, it is often necessary to carry adapter cables suitable for various electronic products when going out, which is even more difficult to carry.

Utility model content

The purpose of the utility model is to provide a mobile power supply capable of better accommodating a transmission line with a plug in view of the defects and deficiencies of the prior art.

In order to achieve the above object, the utility model provides a mobile power supply, including a back cover, a front cover, a main body, a number of magnetic parts and a first transmission line; the back cover is composed of a back plate and a frame-shaped first The side wall is surrounded by a frame-shaped first rib, and the opposite ends of the first rib are spaced from the first side wall, and the two sides of the first rib are opposite to the first side The opposite ends of the first convex rib are respectively surrounded by the rear plate and the first side wall to form a first accommodating space, the opposite ends of the first side wall are respectively provided with a first gap, and one side of the first side wall is provided with There is a first slot connected with the two first gaps; the front cover is closed on the back cover, and is surrounded by a front plate and a frame-shaped second side wall, and the inside of the front cover is protruded with a frame-shaped The second convex rib corresponding to the first convex rib, and the opposite ends of the corresponding second convex rib are spaced apart from the second side wall, the opposite sides of the second convex rib are connected with the second side wall, and the second convex rib The opposite ends of the ribs are respectively surrounded by the front plate and the second side wall to form a second accommodating space, and the opposite ends of the second side wall correspond to the first notches on the first side wall respectively to open a second notch, and the second side A second slot connected to the two second notches is provided on one side of the wall corresponding to the first slot, and the first rib and the second rib surround the inside of the front cover and the rear cover to form a closed storage space, each The first accommodating space and each second accommodating space form an accommodating space, each first notch and each corresponding second notch form a notch, and the first slot and the second slit form a The slot; the main body is installed in the storage space, and further includes an energy storage component and a plurality of socket connectors; a plurality of magnetic parts are installed inside the convex rib at the corresponding storage space in the storage space; one end of the first transmission line is connected to A first plug, the other end of the first transmission line is connected to a second plug, the first plug and the second plug are accommodated in the corresponding accommodating space, and the first transmission line is accommodated in the slot.

As a further improvement, the first protruding rib and the second protruding rib are arranged in a stepped shape corresponding to the first notch and the second notch, which includes a first step and a second step, and the first step is connected to the first side wall and the second notch. The distance between the second side wall is greater than the distance between the second step and the first side wall and the second side wall; the first plug and the second plug both include a docking tongue and a body part connected to one end of the docking tongue, One end of the docking tongue connected to the main body and one end of the main body connected to the docking tongue are placed on the second step, and one end of the main body connected to the first transmission line is suspended on the first step.

As a further improvement, a third step is provided at the corresponding position between the first convex rib and the second convex rib and the first notch and the second notch, and the distance between the third step and the first side wall and the second side wall is less than The distance between the second step and the first side wall and the second side wall; the free end of the butt tongue of the plug is correspondingly placed on the third step.

As a further improvement, the magnetic attractor is installed on the inner surface of the third step provided on the first rib and the second rib.

As a further improvement, the socket connector includes a first socket connector and a second socket connector, the first plug is a USB2.0 plug, the first socket connector is a USB2.0 socket connector, and the second plug is a micro USB plug, the second socket connector is a micro-USB socket connector, a first slot is respectively provided at opposite ends of the back cover, and a second opening corresponding to the first slot is respectively provided at the opposite ends of the front cover. Slot; the first slot and the second slot form a slot, and the socket connectors are placed in the receiving space, and their sockets correspond to the slots and communicate with the outside world.

As a further improvement, the USB2.0 receptacle connector is arranged at one end of the storage space, and the corresponding slots are opened at one end of the first rib and the second rib, and communicate with the storage space at one end of the storage space; The micro-USB socket connector is arranged at the other end of the receiving space, and its corresponding slots are opened on the other ends of the first side wall and the second side wall, and communicate with the outside world.

As a further improvement, the other end of the first side wall of the rear cover is also provided with a third notch, and the other side of the first side wall is provided with a third slot communicating with the third notch; The other end of the side wall is also provided with a fourth notch, and the other side of the second side wall is provided with a fourth slot communicating with the fourth notch; the third notch and the fourth notch form a notch, the third notch and the fourth notch form a notch. The fourth slot forms a slot; the mobile power supply also includes a second transmission line, one end of the second transmission line is connected to the energy storage component, the other end of the second transmission line is connected to a third plug, and the third plug is accommodated in In the corresponding accommodating space, the second transmission line is accommodated in the slot on the other side of the first side wall and the second side wall.

As a further improvement, the first protruding rib and the second protruding rib are arranged in a stepped shape corresponding to the third notch and the fourth notch, which includes a first step and a second step, and the first step is connected to the first side wall and the second notch. The distance between the second side wall is greater than the distance between the second step and the first side wall and the second side wall; the third plug includes a docking tongue and a body part connected to one end of the docking tongue, and the docking tongue and the body The end connected with the body part and the end connected with the butt tongue part are placed on the second step, and the end part connected with the second transmission line of the body part is suspended and placed on the first step.

As a further improvement, a third step is provided at the corresponding position between the first convex rib and the second convex rib and the third notch and the fourth notch, and the distance between the third step and the first side wall and the second side wall is less than The distance between the second step and the first side wall and the second side wall; the free end of the butt tongue of the third plug is correspondingly placed on the third step.

As a further improvement, an opening is provided at the lower part of the front cover, a power switch electrically connected to the energy storage component is installed in the opening, and a set of indicator lights are installed at the upper part of the front cover.

As mentioned above, the mobile power supply of the utility model protrudes a first rib and a second rib respectively through the rear cover and the front cover, and the first rib and the second rib are connected with the first side wall and the front cover of the rear cover. The opposite ends of the second side wall of the cover are arranged at intervals, thereby forming an accommodating space at both ends of the mobile power supply; and a slot is opened on the side wall of the mobile power supply, and the first transmission line is accommodated in the slot and connected to the The plugs at both ends of the first transmission line are correspondingly accommodated in the accommodating space, so that the first transmission line with the plug can be better accommodated on the mobile power supply.

Description of drawings

Fig. 1 is a perspective view of the mobile power supply of the present invention.

Fig. 2 is another perspective view of the portable power supply of the present invention shown in Fig. 1 .

Fig. 3 is a three-dimensional exploded view of the portable power supply of the present invention.

Fig. 4 is a perspective view of the front cover of the portable power supply of the present invention.

Fig. 5 is a perspective view of the mobile power supply of the present invention without a front cover.

FIG. 6 is a perspective view of the mobile power supply of the present invention without the first transmission line.

FIG. 7 is another perspective view of the mobile power supply of the present invention without the first transmission line.

Fig. 8 is a front view of the mobile power supply of the present invention without a front cover.

FIG. 9 is a schematic diagram of the plug of the mobile power supply of the present invention shown in FIG. 8 .

Each reference numeral in the figure is explained as follows.

Power Bank 100 Back Cover 10

Rear panel 11 1st side wall 12

The first protruding rib 13 The first accommodating space 14

First Notch 15 First Slot 16

The first slot 17 The third notch 18

Third Slot 19 Front Cover 20

Front plate 21 Opening hole 211

Second side wall 22 Second convex rib 23

The second accommodation space 24 The second gap 25

Second Slot 26 Second Slot 27

Fourth Notch 28 Fourth Slot 29

Main body 30 Energy storage components 31

Receptacle Connector 32 Magnetic Attractor 40

First Transmission Line 50 Second Transmission Line 60

Plug 70 First Plug 71

Second plug 72 Third plug 73

Power Switch 80 Indicator Light 90

The first step 131, 231

Second Step 132, 232

The third step 133, 233

First receptacle connector 321

Second receptacle connector 322

Butt Tongue 711, 721, 731

Body Department 712, 722, 732.

Detailed ways

In order to describe the technical content, structural features, achieved purpose and effect of the present utility model in detail, the following will be described in detail in combination with specific embodiments and accompanying drawings.

Referring to FIG. 1 to FIG. 3 , the mobile power supply 100 of the present invention includes a rear cover 10 , a front cover 20 , a main body 30 , a plurality of magnetic components 40 , a first transmission line 50 and a second transmission line 60 .

Please refer to FIG. 3 , the rear cover 10 is surrounded by a rear panel 11 and a frame-shaped first side wall 12 , and a frame-shaped first rib 13 protrudes inside the rear cover 10 . The opposite ends of the first rib 13 are spaced apart from the first side wall 12, the opposite sides of the first rib 13 are connected to the first side wall 12, and the opposite ends of the first rib 13 are respectively connected to the rear plate 11 and The first sidewall 12 defines a first accommodating space 14 . Two opposite ends of the first side wall 12 respectively define a first notch 15 , and one side of the first side wall 12 defines a first slot 16 communicating with the two first notches 15 .

Please refer to FIG. 3 , FIG. 4 , FIG. 6 and FIG. 7 , the front cover 20 covers the rear cover 10 and is surrounded by a front panel 21 and a frame-shaped second side wall 22 . The inside of the front cover 20 is protruded with a frame-shaped second rib 23 corresponding to the first rib 13, and the opposite ends of the corresponding second rib 23 are spaced from the second side wall 22. The second rib Two opposite sides of the second rib 23 are connected to the second side wall 22 , and two opposite ends of the second convex rib 23 respectively enclose a second accommodating space 24 with the front plate 21 and the second side wall 22 . The opposite ends of the second side wall 22 correspond to the first notches 15 on the first side wall 12 respectively to provide a second notch 25, and one side of the second side wall 22 corresponds to the first slot 16 to open a second notch 15 connected with the two second notches 15. Through the second slot 26. The first protruding rib 13 and the second protruding rib 23 enclose the inside of the front cover 10 and the rear cover 20 to form a closed storage space, and each first accommodating space 14 and each second accommodating space 24 form a closed accommodating space. Each first notch 15 and each corresponding second notch 25 form a notch, and the first slot 16 and the second slot 26 form a slot.

Please continue to refer to FIG. 3 , FIG. 5 and FIG. 8 , the main body 30 is installed in the receiving space, and further includes an energy storage assembly 31 and a plurality of socket connectors 32 . A plurality of magnetic attractors 40 are installed on the inside of the convex rib at the corresponding accommodation space in the accommodation space.

Referring to Fig. 1, Fig. 2, Fig. 8 and Fig. 9, one end of the first transmission line 50 is connected to a first plug 71, the other end of the first transmission line 50 is connected to a second plug 72, the first plug 71 and the second plug 72 is accommodated in the corresponding accommodation space, and the first transmission line 50 is accommodated in the slot. The setting of the magnetic absorbing part 40 makes the plug 70 accommodated in the accommodating space, since the plug 70 has a shell made of iron, the plug 70 is attached to the bottom wall of the accommodating space by the suction force of the magnetic attracting part 40. Together, the plug 70 is effectively sucked into the accommodating space to prevent the plug 70 from falling off.

Referring to Figures 1 to 9, the first rib 13 and the second rib 23 are arranged in a stepped shape corresponding to the first notch 15 and the second notch 25, which includes first steps 131, 231 and second steps 132, 232 , the distance between the first step 131 , 231 and the first sidewall 12 and the second sidewall 22 is greater than the distance between the second step 132 , 232 and the first sidewall 12 and the second sidewall 22 . Both the first plug 71 and the second plug 72 include docking tongues 711, 721 and body parts 712, 722 connected to one end of the docking tongues 711, 721, the docking tongues 711, 721 are connected to the body parts 712, 722 One end and the end of the body part 712, 722 connected to the docking tongue part 711, 721 are placed on the second step 132, 232, and the end part of the body part 712, 722 connected to the first transmission line 50 is suspended and placed on the first step 131 , 231 above. Thus, when the first transmission line 50 with the plug 70 is to be taken out, one end part connected to the first transmission line 50 through the body parts 712, 722 of the plug 70 is suspended above the first steps 131, 231, and the plug 70 is pressed down. At one end of the main body 712, 722 connected to the first transmission line 50, the mating tongues 711, 721 of the plug 70 will protrude from the end face of the mobile power supply 100, so that the first transmission line 50 with the plug 70 can be easily taken out.

Please refer to FIG. 3 to FIG. 9 , where the first protruding rib 13 and the second protruding rib 23 correspond to the first notch 15 and the second notch 25, a third step 133, 233 is also provided, and the third step 133, 233 is in line with the first notch. The distance between the sidewall 12 and the second sidewall 22 is smaller than the distance between the second steps 132 , 232 and the first sidewall 12 and the second sidewall 22 . The free ends of the mating tongues 711, 721 of the plug 70 are correspondingly placed on the third steps 133, 233, so as to avoid that when the mating tongues 711, 721 of the plug 70 are accidentally touched, one end of the body portion 712, 722 of the plug 70 is warped. Pull out the first transmission line 50. The magnetic attractor 40 is installed on the inner side of the third steps 133 , 233 on the first rib 13 and the second rib 23 . The mating tongues 711 , 721 of the plug 70 are tightly attached to the outer surfaces of the third steps 133 , 233 by the suction force of the magnetic member 40 .

Please continue to refer to Figures 1 to 9, the socket connector 32 includes a first socket connector 321 and a second socket connector 322, the first plug 71 is a USB2.0 plug, and the first socket connector 321 is a USB2.0 socket connection connector, the second plug 72 is a micro-USB plug, and the second socket connector 322 is a micro-USB socket connector. The opposite ends of the back cover 20 are respectively provided with a first slot 17, and the opposite ends of the front cover 20 are respectively provided with a second slot 27 corresponding to the first slot 17. The first slot 17 and the second The slot 27 surrounds the composite slot. The plurality of socket connectors 32 are placed in the receiving space, and their sockets correspond to the slots to communicate with the outside world. When the mobile power supply 100 needs to be charged, the first transmission line 50 can be removed, the second plug 72 can be plugged into the corresponding socket connector 32 through the corresponding slot, and the first plug 71 can be plugged into a computer or charger That's it. When a portable electronic product, such as a mobile phone, needs to be charged, the second plug 72 can be connected to the portable electronic product, such as a mobile phone, and the first plug 71 can be inserted into the corresponding socket connector through the corresponding slot. 32 is enough. Moreover, the first transmission line 50 can also be independently used as an adapter line to connect other electronic devices.

Please refer to Figures 6 to 9, the USB2.0 receptacle connector is set at one end of the receiving space, and the corresponding slots are opened at one end of the first rib 13 and the second rib 23, and are connected to the receiving space at one end of the receiving space. Connect the space. The micro-USB receptacle connector is disposed at the other end of the receiving space, and its corresponding slots are opened at the other ends of the first side wall 12 and the second side wall 22 , and communicate with the outside world.

Referring to FIGS. 1 to 7 , the other end of the first side wall 12 of the rear cover 10 also has a third notch 18 , and the other side of the first side wall 12 has a third notch communicating with the third notch 18 . slot19. The other end of the second side wall 22 of the front cover 20 also offers a fourth notch 28, and the other side of the second side wall 22 is provided with a fourth slot 29 communicating with the fourth notch 28; The four notches 28 form a notch, and the third slot 19 and the fourth slot 29 form a slot.

Please refer to FIG. 5 , the mobile power supply 100 also includes a second transmission line 60, one end of the second transmission line 60 is connected to the energy storage assembly 31, and the other end of the second transmission line 60 is connected to a third plug 73, and the third plug 73 Accommodated in the corresponding accommodating space, the second transmission line 60 is accommodated in the slot on the other side of the first side wall 12 and the second side wall 22 . The third plug 73 is a special charging plug for iphone5.

Please refer to Fig. 3, Fig. 4, Fig. 8 and Fig. 9, correspondingly, the first protruding rib 13 and the second protruding rib 23 are arranged in a stepped shape corresponding to the third notch 18 and the fourth notch 28, which includes the first One step 131,231 and the second step 132,232, the distance between the first step 131,231 and the first side wall 12 and the second side wall 22 is greater than the distance between the second step 132,232 and the first side wall 12 and the second side wall The distance between the side walls 22. The third plug 73 includes a docking tongue 731 and a body portion 732 connected to one end of the docking tongue 731, one end of the docking tongue 731 connected to the body 732 and one end of the body 732 connected to the docking tongue 731 are placed On the second steps 132 , 232 , and one end of the body portion 732 connected to the second transmission line 60 is suspended on the first steps 131 , 231 . In the same way as taking out the first transmission line 50 with plug 70, when taking out the second transmission line 60 with plug 70, press the end of the body part 732 of the third plug 73 connected to the second transmission line 60, and then the third plug 73 will The docking tongue 731 will lift out of the end surface of the mobile power supply 100 , so that the second transmission line 60 can be taken out.

Referring to Fig. 3 to Fig. 9, the first protruding rib 13 and the second protruding rib 23 are also provided with a third step 133, 233 corresponding to the third notch 18 and the fourth notch 28, and the third step 133, 233 is connected to The distance between the first sidewall 12 and the second sidewall 22 is smaller than the distance between the second steps 132 , 232 and the first sidewall 12 and the second sidewall 22 . The free end of the docking tongue 731 of the third plug 73 is correspondingly placed on the third step 133, 233, and through the suction force of the magnetic attraction 40, the docking tongue 731 of the third plug 73 is correspondingly tightly attached to the third step. On the outer side of the steps 133, 233.

Referring to Fig. 1 to Fig. 3, the lower part of the front plate 21 of the front cover 20 is provided with an opening 211, and a power switch 80 electrically connected to the energy storage assembly 31 is installed in the opening 211. A set of indicator lights 90 are mounted on the upper part of the board. When the mobile power supply 100 needs to be used, the switch of the power supply 80 is turned on, and the mobile power supply 100 starts to transmit and provide power. The indicator lights 90 are used to provide indications when the mobile power supply 100 is charged. Each indicator light 90 indicates the percentage of charging to a certain amount of electricity. When the mobile power supply 100 is fully charged, each indicator light 90 is fully on.

As mentioned above, the mobile power supply 100 of the present utility model protrudes a first rib 13 and a second rib 23 respectively through the rear cover 10 and the front cover 20, and the first rib 13 and the second rib 23 are connected with the rear cover. The opposite ends of the first side wall 12 of 10 and the second side wall 22 of the front cover 20 are arranged at intervals, so that an accommodating space is formed at both ends of the mobile power supply 100; a slot is opened on the side wall of the mobile power supply 100 , the first transmission line 50 is accommodated in the slot, and the plugs 70 connected to both ends of the first transmission line 50 are correspondingly accommodated in the accommodating space, so that the first transmission line 50 with the plug 70 can be better accommodated in the mobile power supply 100 on.

Claims (10)

1. A mobile power supply, characterized in that: comprising a back cover, a front cover, a main body, some magnetic parts and a first transmission line; the back cover is surrounded by a back plate and a frame-shaped first side wall The interior of the back cover is protruded with a frame-shaped first rib, the opposite ends of the first rib are spaced apart from the first side wall, and the opposite sides of the first rib are connected to the first side wall. The opposite ends of the first convex rib are respectively surrounded with the rear plate and the first side wall to form a first accommodating space, the opposite ends of the first side wall are respectively provided with a first gap, and one side of the first side wall is provided with two The first slot communicated with the first gap; the front cover is closed on the back cover, and is surrounded by a front plate and a frame-shaped second side wall, and the inside of the front cover is provided with a frame-shaped and second side wall. A convex rib corresponds to a second convex rib, and the opposite ends of the corresponding second convex rib are spaced apart from the second side wall, and the opposite sides of the second convex rib are connected to the second side wall, and the second convex rib is opposite to the two sides. The ends are respectively surrounded with the front plate and the second side wall to form a second accommodating space, and the opposite ends of the second side wall are respectively provided with a second notch corresponding to the first notch on the first side wall, and one side of the second side wall Corresponding to the first slot, there is a second slot communicating with the two second gaps. The first rib and the second rib surround the inside of the front cover and the rear cover into a closed storage space. The accommodating space and each second accommodating space are enclosed to form an accommodating space, each first notch and each corresponding second notch are enclosed to form a notch, and the first slot and the second slit are enclosed to form a slot; The main body is installed in the storage space, and further includes an energy storage assembly and a plurality of socket connectors; a plurality of magnetic parts are installed on the inner side of the convex rib at the corresponding storage space in the storage space; one end of the first transmission line is connected to a first The other end of the first transmission line is connected to a second plug, the first plug and the second plug are accommodated in corresponding accommodating spaces, and the first transmission line is accommodated in the slot. 2. The mobile power supply according to claim 1, characterized in that: the first protruding rib and the second protruding rib are arranged in a stepped shape corresponding to the first notch and the second notch, which includes the first step and the second step, the distance between the first step and the first side wall and the second side wall is greater than the distance between the second step and the first side wall and the second side wall; the first plug and the second plug both include a butt tongue And the body portion connected to one end of the docking tongue, one end of the docking tongue connected to the body and one end of the body connected to the tongue are placed on the second step, and one end of the body connected to the first transmission line is partially suspended Put it on the first step. 3. The mobile power supply according to claim 2, characterized in that: the first rib and the second rib correspond to the first notch and the second notch, and a third step is provided, and the third step is in line with the first notch. The distance between the side wall and the second side wall is smaller than the distance between the second step and the first side wall and the second side wall; the free end of the mating tongue of the plug is correspondingly placed on the third step. 4 . The mobile power supply according to claim 3 , wherein the magnetic member is installed on the inner surface of the third step provided on the first rib and the second rib. 5. The mobile power supply according to claim 1, wherein the socket connector includes a first socket connector and a second socket connector, the first plug is a USB2.0 plug, and the first socket connector is a USB2.0 plug. .0 receptacle connector, the second plug is a micro-USB plug, the second receptacle connector is a micro-USB receptacle connector, the opposite ends of the rear cover are respectively provided with a first slot, and the opposite ends of the front cover are respectively provided with There is a second slot corresponding to the first slot; the first slot and the second slot are combined to form a slot, and the socket connectors are placed in the receiving space, and their sockets correspond to the slots and are connected to the slots. Connected to the outside world. 6. The mobile power supply according to claim 5, wherein the USB2.0 socket connector is arranged at one end of the receiving space, and the corresponding slot is opened at one end of the first protruding rib and the second protruding rib, and It communicates with the accommodation space at one end of the accommodation space; the micro-USB socket connector is arranged at the other end of the accommodation space, and its corresponding slots are opened on the other ends of the first side wall and the second side wall, and communicate with the outside world. 7. The mobile power supply according to claim 1, characterized in that: the other end of the first side wall of the back cover also has a third gap, and the other side of the first side wall is connected with the third gap. The third slot; the other end of the second side wall of the front cover is also provided with a fourth gap, and the other side of the second side wall is provided with a fourth slot communicating with the fourth gap; the third gap and the fourth The gap forms a gap, the third slot and the fourth slot form a slot; the mobile power supply also includes a second transmission line, one end of the second transmission line is connected to the energy storage component, and the other end of the second transmission line A third plug is connected, the third plug is accommodated in the corresponding accommodating space, and the second transmission line is accommodated in the slot on the other side of the first side wall and the second side wall. 8. The mobile power supply according to claim 7, characterized in that: the first rib and the second rib correspond to the third notch and the fourth notch and are arranged in a stepped shape, which includes a first step and a second step. step, the distance between the first step and the first side wall and the second side wall is greater than the distance between the second step and the first side wall and the second side wall; the third plug includes a docking tongue and is connected to the docking tongue The body part at one end of the body part, the end of the docking tongue connected to the body part and the end connected to the body part and the docking tongue are placed on the second step, and one end part of the body part connected to the second transmission line is suspended and placed on the first step superior. 9. The mobile power supply according to claim 8, characterized in that: the first rib and the second rib correspond to the third notch and the fourth notch, and a third step is provided, and the third step is in line with the first The distance between the side wall and the second side wall is smaller than the distance between the second step and the first side wall and the second side wall; the free end of the mating tongue of the third plug is correspondingly placed on the third step. 10. The mobile power supply according to claim 1, characterized in that: the lower part of the front cover is provided with an opening, a power switch electrically connected to the energy storage component is installed in the opening, and a power switch is installed in the upper part of the front cover. Group lights.

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