CN220440392U

CN220440392U - Portable power source, external part and charging device

Info

Publication number: CN220440392U
Application number: CN202321473352.XU
Authority: CN
Inventors: 万国庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2024-02-02
Anticipated expiration: 2033-06-09

Abstract

The utility model belongs to the technical field of electronic products, and relates to a mobile power supply, an external part and a charging device, wherein the mobile power supply comprises a shell, a battery assembly and an external structure, the shell is provided with a containing cavity, and the battery assembly is arranged in the containing cavity; wherein, offered the draw-in groove on the shell, a cell wall face of draw-in groove is provided with the opening, and the draw-in groove forms rotatory spacing chamber jointly with the opening, and a part demountable installation of external structure is in rotatory spacing intracavity, and another part is installed on external part. When the electronic equipment is charged, a user can install an external connection structure connected with the external connection part in the rotation limiting cavity so as to realize the fixed connection of the electronic equipment. Obviously, compare in current portable power source, this portable power source can be when charging electronic equipment, but also fixed connection electronic equipment to make the user can be safe convenient use cell-phone, satisfy different user's demand, improve user's use experience.

Description

Portable power source, external part and charging device

Technical Field

The present utility model relates to the field of electronic products, and in particular, to a portable power source, an external component, and a charging device.

Background

The portable power source is a portable charger integrating power supply and charging functions. The mobile power supply can charge electronic equipment such as mobile phones, tablet computers and the like at any time and any place, so that the mobile power supply is widely used.

The existing mobile power supply is generally square in shell, internally provided with a battery core and provided with jacks on the surface, and only the external shapes are different. However, for some users who need to watch video while charging and use a mobile phone, the existing mobile power supply cannot be used for placing electronic devices such as a mobile phone and a tablet computer. Therefore, the user needs to carry the mobile phone support by himself so as to watch the video, so that a great deal of inconvenience is brought to the user, and the use experience of the user is greatly affected.

Disclosure of Invention

The embodiment of the utility model aims to solve the technical problems that the existing mobile power supply cannot be used for arranging electronic equipment and has single function.

In order to solve the technical problems, the embodiment of the utility model provides a mobile power supply, which adopts the following technical scheme:

the mobile power supply comprises a shell, a battery assembly and an external connection structure, wherein the shell is provided with a containing cavity, and the battery assembly is arranged in the containing cavity;

the shell is provided with a clamping groove, one groove wall surface of the clamping groove is provided with an opening, the clamping groove and the opening jointly form a rotation limiting cavity, one part of the external connection structure is detachably arranged in the rotation limiting cavity, and the other part of the external connection structure is arranged on the external connection component.

Further, in a preferred aspect of some embodiments, the external connection structure includes a first connection portion and a second connection portion connected to the first connection portion, the first connection portion is snapped into the card slot through the opening, and the second connection portion is mounted on the external connection member through a notch of the card slot.

Further, in a preferred version of some embodiments, the second connection portion and the first connection portion are rotatable relative to each other; or, in the clamping groove, the first connecting part can rotate relative to the shell.

Further, in a preferred solution of some embodiments, the mobile power supply further includes a limiting structure, at the opening, the limiting structure is slidably mounted on the housing, so as to limit the external connection structure in a plugging direction of the first connection portion.

Further, in a preferred solution of some embodiments, the limiting structure includes a sliding cover, a sliding block is protruding on a side of the sliding cover facing the housing, a sliding rail is vertically disposed on the housing at a corresponding position, and the sliding block is slidably mounted on the sliding rail, so that the sliding cover can open or close the opening.

Further, in a preferred solution of some embodiments, the mobile power supply further includes a positioning structure for rotationally positioning the external connection component, and a part of the positioning structure is disposed on the rotational end surface of the housing, and another part of the positioning structure is disposed on the external connection component.

Further, in a preferred aspect of some embodiments, the positioning structure includes at least one first magnetic attraction piece and a second magnetic attraction piece matched with the first magnetic attraction piece, the first magnetic attraction piece is mounted on a rotating end face of the housing, and the second magnetic attraction piece is mounted on the external connection part and corresponds to a position of the first magnetic attraction piece.

In order to solve the technical problems, the embodiment of the utility model also provides an external component which is applied to the mobile power supply and adopts the following technical scheme: the external part is provided with an external structure and a positioning structure for rotary positioning, and the positioning structure is arranged in a circular array with the external structure as a center;

the external part can be installed on the mobile power supply in a rotation limiting mode through the external structure, and the external part and the mobile power supply are positioned in a rotation mode through the positioning structure.

Further, in a preferred version of some embodiments, the external component may be a cell phone case or a stationary plate.

In order to solve the technical problems, the embodiment of the utility model also provides a charging device, which comprises a fixed support, an external part and the mobile power supply, wherein the fixed support is arranged at a target position, the external part is arranged on the mobile power supply in a rotating and limiting mode, and one side of the mobile power supply, which is away from the external part, is connected with the fixed support.

Compared with the prior art, the mobile power supply, the external part and the charging device provided by the embodiment of the utility model have the following main beneficial effects:

the mobile power supply is provided with a rotation limiting cavity on the shell, wherein one part of the external structure is detachably arranged in the rotation limiting cavity, and the other part of the external structure is arranged on an external component (in particular a mobile phone shell, a mobile phone support and the like on a mobile phone). It can be appreciated that when the electronic device is charged, a user can install the external connection structure connected with the external connection component in the rotation limiting cavity, so as to support the electronic device.

Obviously, compare in current portable power source, this portable power source can still support electronic equipment when charging electronic equipment to the convenience of customers watches the video, satisfies different user's demand, improves user's use experience.

Drawings

In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art. Wherein:

FIG. 1 is a schematic perspective view of a portable power source according to an embodiment of the present utility model;

fig. 2 is a schematic view of a perspective structure of the portable power source in fig. 1 at another angle, wherein the support frame is in a folded state;

FIG. 3 is a schematic view of another perspective view of the portable power source of FIG. 1, wherein the support frame is in an unfolded state;

FIG. 4 is an exploded view of the portable power source of FIG. 1;

FIG. 5 is a schematic view of the second housing of FIG. 4;

FIG. 6 is a schematic diagram of a configuration of a portable power source mated with an external component in an embodiment of the utility model;

FIG. 7 is a schematic diagram of the structure of a mobile phone housing in one embodiment of the utility model;

FIG. 8 is a schematic cross-sectional view of the cell phone case of FIG. 7;

FIG. 9 is a schematic view showing the structure of a fixing plate according to another embodiment of the present utility model;

FIG. 10 is a schematic cross-sectional view of the mounting plate of FIG. 9;

fig. 11 is a schematic structural view of a charging device according to an embodiment of the present utility model.

The reference numerals in the drawings are as follows:

1. a charging device;

100. a mobile power supply; 10. a housing; 11. a first housing; 12. a second housing; 13. a receiving chamber; 14. a rotation limiting cavity; 141. a clamping groove; 142. an opening; 15. a slide rail; 20. a battery assembly; 30. an external structure; 31. a first connection portion; 32. a second connecting portion; 40. a limit structure; 41. a sliding cover; 42. a slide block; 50. a positioning structure; 51. a first magnetic attraction member; 60. a support frame; 61. a groove;

200. external parts/mobile phone shell/fixing plate;

300. and (5) fixing the bracket.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terms used in the specification are used herein for the purpose of describing particular embodiments only and are not intended to limit the present utility model, for example, the orientations or positions indicated by the terms "length", "width", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are orientations or positions based on the drawings, which are merely for convenience of description and are not to be construed as limiting the present utility model.

The terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion; the terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order. The meaning of "a plurality of" is two or more, unless specifically defined otherwise.

In the description of the utility model and the claims and the above figures, when an element is referred to as being "fixed" or "mounted" or "disposed" or "connected" to another element, it can be directly or indirectly on the other element. For example, when an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

Furthermore, references herein to "an embodiment" mean that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

An embodiment of the present utility model provides a mobile power supply 100, where the mobile power supply 100 is used to charge an electronic device (not shown). It should be noted that the electronic device includes, but is not limited to, a mobile phone and a tablet computer. For convenience of explanation, the present utility model will be described with reference to a mobile phone.

As shown in fig. 1 to 6, the portable power source 100 includes a housing 10, a battery assembly 20, and an external connection structure 30. The battery assembly 20 is used to provide power so that the portable power source 100 can charge various electronic devices.

In addition, in order to improve the service life of the battery assembly 20 and to secure the safety and stability of the battery assembly 20, the housing 10 has a receiving chamber 13, and the battery assembly 20 is mounted in the receiving chamber 13.

In the present embodiment, the housing 10 includes a first case 11 and a second case 12, and the first case 11 and the second case 12 are fastened to each other to form a housing chamber 13. As can be appreciated, when the portable power source 100 collides or collides, the housing 10 can be subjected to an external force first, so that the problem that the battery assembly 20 is damaged directly by the external force is avoided.

In addition, the casing 10 is provided with a clamping groove 141, one groove wall surface of the clamping groove 141 is provided with an opening 142, and the clamping groove 141 and the opening 142 jointly form the rotation limiting cavity 14. Preferably, the clamping groove 141 is disposed on an end surface of the second housing 12 (specifically, a surface of the second housing 12 facing away from the accommodating cavity 13), and is located at a top of the end surface of the second housing 12.

Wherein, a part of the external connection structure 30 is detachably mounted in the rotation limiting cavity 14, and the other part is mounted on the external connection component 200. It will be appreciated that when charging the electronic device, the user can install the external connection structure 30 connected to the external connection component 200 in the rotation limiting cavity 14 to support the mobile phone.

Obviously, compare in current portable power source 100, this portable power source 100 can support electronic equipment when charging electronic equipment to the convenience of customers watches the video, satisfies different user's demand, improves user's use experience.

When the mobile power supply 100 is not in use, the user only needs to detach the external connection structure 30 from the rotation limiting cavity 14, that is, the mobile power supply 100 releases the support of the mobile phone. Thereby, the user can conveniently store and store the portable power source 100.

In order to better understand the solution of the present utility model by those skilled in the art, the following description will clearly and completely describe the solution of the embodiment of the present utility model with reference to fig. 1 to 11.

Further, as shown in fig. 4 and 5, in order to facilitate the user to fix (or take) the mobile phone, the external connection structure 30 includes a first connection portion 31 and a second connection portion 32 connected to the first connection portion 31, wherein the first connection portion 31 is clamped into the clamping slot 141 through the opening 142, and the second connection portion 32 is mounted on the external connection member 200 through the notch of the clamping slot 141.

As can be appreciated, when the mobile phone is required to be fixed on the mobile power supply 100, the user only needs to insert the first connecting portion 31 into the card slot 141 from the opening 142, so as to complete the installation of the external structure 30, thereby realizing the fixation of the mobile phone; when the mobile phone needs to be taken down from the mobile power supply 100, the user only needs to pull out the first connecting portion 31 from the card slot 141 through the opening 142, so as to complete the disassembly of the external structure 30, thereby realizing the taking of the mobile phone.

Illustratively, the external connection structure 30 is an "i" shaped snap fastener, the top of the "i" shaped snap fastener (i.e. the first connecting portion 31) is snapped into the clamping groove 141 through the opening 142, and the bottom of the "i" shaped snap fastener (i.e. the second connecting portion 32) is connected with the external connection component 200 through the notch of the clamping groove 141.

Of course, in other embodiments, the "i" shaped snap fastener may also have other structures of "T" shaped snap fastener, which the present utility model is not limited to, and those skilled in the art may choose according to practical situations.

Further, as a specific embodiment of the portable power source 100 provided by the present utility model, in order to enable a user to rotate the angle of the external connection component 200 according to the needs of the user, i.e. rotate the angle of the mobile phone, when using the portable power source 100, so as to obtain better use experience.

In an alternative embodiment, the second connection portion 32 and the first connection portion 31 are rotatable relative to each other. It will be appreciated that when a user applies a force to the external connection member 200, the external connection structure 30 mounted to the external connection member 200 rotates relative to the housing 10, thereby adjusting the angle of the mobile phone in the external connection member 200.

Alternatively, in another alternative embodiment, the first connecting portion 31 can rotate relative to the housing 10 in the slot 141. It can be appreciated that when a user applies a force to the external connection component 200, the second connection portion 32 and the first connection portion 31 in the external connection structure 30 rotate relatively, so as to adjust the angle of the mobile phone in the external connection component 200.

Further, as shown in fig. 1 to 4, as a specific embodiment of the portable power source 100 provided by the present utility model, the portable power source 100 further includes a limiting structure 40, and the limiting structure 40 is slidably mounted on the housing 10 at the opening 142, so as to limit the external connection structure 30 from the plugging direction of the first connection portion 31, and prevent the external connection structure 30 from sliding off. Preferably, the limiting structure 40 is disposed at the top of the housing 10 and corresponds to the position of the clamping groove 141.

In this embodiment, the limiting structure 40 includes a sliding cover 41, a sliding block 42 is protruding on one side of the sliding cover 41 facing the housing 10, the housing 10 is vertically (specifically, in the width direction of the housing 10) provided with a sliding rail 15 at a corresponding position, and the sliding block 42 is slidably mounted on the sliding rail 15, so that the sliding cover 41 can open or close the opening 142, thereby realizing sealing limiting or opening detachment of the external structure 30.

As can be appreciated, after the first connecting portion 31 is snapped into the slot 141 through the opening 142, the user slides the sliding cover 41 in a direction approaching the first connecting portion 31, so that the sliding cover 41 closes the opening 142. When the external structure 30 is subject to external force to shake, the peripheral wall surface of the sliding cover 41 can abut against the first connecting portion 31 to limit the sliding of the first connecting portion 31, so as to prevent the first connecting portion 31 from sliding out of the clamping groove 141 from the opening 142, and improve the stability of the mobile phone fixed on the mobile power supply 100.

When the mobile phone is to be removed from the mobile power supply 100, the user only needs to slide the slide cover 41 away from the external structure 30 to open the opening 142 and then pull out the first connection portion 31 from the card slot 141.

Of course, in other embodiments, other sliding structures may be used, which are not limited by the present utility model, and those skilled in the art may choose according to the actual situation.

It should be further noted that, by adopting the above structure, the external structure 30 can be conveniently and effectively installed in the rotation limiting cavity 14 of the housing 10 in a limiting manner, so as to ensure the stability of the external component 200, i.e. the stability of the mobile phone fixation.

Further, as shown in fig. 1, 4, and 6 to 8, in order to keep the external connection part 200 stable during rotation, the mobile power supply 100 further includes a positioning structure 50 for positioning the external connection part 200 in rotation. One part of the positioning structure 50 is disposed on a rotating end surface of the housing 10 (specifically, a surface of the housing 10 provided with a rotation limiting groove), and the other part is disposed on the external connection component 200.

In this embodiment, the positioning structure 50 includes at least one first magnetic attraction member 51 and a second magnetic attraction member 52 that cooperates with the first magnetic attraction member 51. The first magnetic attraction piece 51 is mounted on the rotary end face of the housing 10, and the second magnetic attraction piece 52 is mounted on the external connection member 200 in correspondence with the position of the first magnetic attraction piece 51.

It should be noted that the number of the second magnetic attraction pieces 52 may be equal to or not equal to the number of the first magnetic attraction pieces 51, which is not limited by the present utility model, and may be selected by those skilled in the art according to practical situations.

Specifically, the number of the first magnetic attraction pieces 51 is plural, and the plural first magnetic attraction pieces 51 are arranged in a circular array with the rotation limiting chamber 14 as a center. In addition, the second magnetic attraction pieces 52 are arranged in a circular array with the external connection structure 30 as a center. Wherein the radius of the circular arrays of the first magnetic attraction piece 51 and the second magnetic attraction piece 52 is the same.

The number of the first magnetic attraction pieces 51 is three, the three first magnetic attraction pieces 51 are respectively arranged at the left, right and lower sides of the rotation limiting cavity 14 on the rotating end face of the housing 10, and the included angle between two adjacent first magnetic attraction pieces 51 is 90 degrees. In addition, the number of the second magnetic attraction pieces 52 is four, in the external connection component 200, the four second magnetic attraction pieces 52 are respectively disposed on the upper, lower, left and right sides of the external connection structure 30, and the included angle between two adjacent first magnetic attraction pieces 51 is 90 °.

It can be appreciated that when the external connection structure 30 is installed in the rotation limiting cavity 14, the first magnetic attraction piece 51 and the second magnetic attraction piece 52 attract each other to position the external connection component 200, and at this time, the mobile phone in the external connection component 200 is in a vertical screen state. When the user rotates the external connection part by 90 degrees, the second magnetic attraction piece 52 can be attracted to the first magnetic attraction piece 51 on the rotating end face of the casing 10 to realize the rotation positioning, and at this time, the mobile phone in the external connection part 200 is in a horizontal screen state.

Further, as shown in fig. 2 and 3, in order to improve the stability of the mobile power supply 100 for supporting a mobile phone, the mobile power supply 100 further includes a support frame 60, where the support frame 60 is hinged to a side of the housing 10 facing away from the rotating end surface, so as to support the housing 10.

As can be appreciated, when using the mobile power supply 100, the user can expand the support frame 60 with respect to the housing 10 and place the mobile power supply 100 on a support platform (specifically, a bottom surface, a table top, etc.), so that the stability of the support of the mobile power supply 100 can be improved; when the portable power source 100 is not in use, the user can fold the support frame 60 on the housing 10 to reduce the space occupied by the portable power source 100, thereby facilitating the storage and the preservation of the user.

In addition, the support frame 60 is provided with a groove 61 for accommodating the external connection structure 30, and a third magnetic attraction piece (not shown) is provided, and the third magnetic attraction piece can be attracted to the second magnetic attraction piece 52, so that the external connection component 200 is mounted on the support frame 60.

It should be noted that, when the support frame 60 is folded on the housing 10, the user can mount the external connection structure 30 on the support frame 60 to support the external connection component 200, i.e. support the mobile phone. Thus, both sides of the mobile power supply 100 can be used to support the mobile phone, so as to provide more choices for the user and improve the use experience of the user.

Based on the above-mentioned mobile power supply 100, as shown in fig. 6 to 10, the embodiment of the utility model further provides an external connection component 200, on which the external connection component 200 is provided with an external connection structure 30 and a positioning structure 50 (specifically, a second magnetic attraction piece 52 in the positioning structure 50) for rotation positioning, and the positioning structure 50 is arranged in a circular array with the external connection structure 30 as a center.

The external connection component 200 can be mounted on the mobile power supply 100 through the rotation limit of the external connection structure 30, and can be positioned in a rotation manner with the mobile power supply 100 through the positioning structure 50. Preferably, the external connection part 200 may be a mobile phone case or a fixed plate.

In an alternative embodiment, as shown in fig. 7 and 8, the external connection component 200 is a mobile phone shell, and the mobile phone shell 200 is provided with an i-shaped snap fastener, and a plurality of magnets are circularly arranged with the snap fastener as a center. Preferably, the number of the magnets is four, the four magnets are respectively arranged on the upper, lower, left and right sides of the snap fastener, and the included angle between two adjacent magnets is 90 degrees.

It can be appreciated that, when the mobile power supply 100 is used, the user inserts one end (specifically, the first connection portion 31) of the snap fastener exposed out of the mobile phone case 200 into the rotation limiting cavity 14 of the mobile power supply 100, and slides the sliding cover 41 in the mobile power supply 100 towards the direction approaching to the mobile phone case 200 to close the opening 142, thereby limiting the snap fastener. From this, can together rotatory spacing installation on portable power source 100 with cell-phone shell 200 for the user can charge and watch the video simultaneously, realizes the diversification of portable power source 100, satisfies user's demand.

In addition, when the mobile phone case 200 is installed in the rotation limiting cavity 14, the upper and lower magnets of the snap fastener are attracted to the first magnetic attraction piece 51 in the mobile power supply 100, so as to position the mobile phone case 200. When the user rotates the mobile phone case by 90 °, the left and right magnets of the snap button are attracted to the first magnetic attraction piece 51, and at this time, the mobile phone in the mobile phone case 200 is changed from the vertical screen state to the horizontal screen state.

Therefore, firstly, the problems of falling off, sliding off and the like of the mobile phone shell 200 can be avoided, the fixed stability of the mobile phone is ensured, secondly, the mobile phone shell 200 can be rotationally positioned, so that a user can adjust the position of the mobile phone according to personal preference, and the requirements of different users are met.

In another alternative embodiment, as shown in fig. 9 and 10, the external connection part is a fixing plate 200, and the fixing plate 200 is provided with an i-shaped snap fastener, and a plurality of magnets are circularly arranged with the snap fastener as a center. Preferably, the number of the magnets is four, the four magnets are respectively arranged on the upper, lower, left and right sides of the snap fastener, and the included angle between two adjacent magnets is 90 degrees.

It can be appreciated that, when the mobile power supply 100 is in use, one side (specifically, the a-side) of the fixing plate 200 is mounted on the mobile power supply 100 in a rotation limit manner. Specifically, the user inserts one end (specifically, the first connection portion 31) of the snap fastener exposed out of the fixing plate 200 into the rotation limiting cavity 14 of the mobile power supply 100, and slides the sliding cover 41 in the mobile power supply 100 in a direction approaching to the fixing plate 200 to close the opening 142, thereby realizing the rotation limiting installation of the fixing plate 200 on the mobile power supply 100.

In addition, an adhesive layer 210 (specifically, a double-sided tape, a glue layer, or other adhesive material) is disposed on the other side (specifically, the B-side) of the fixing plate 200, and the user fixedly connects the mobile phone or the mobile phone case to the fixing plate 200 through the adhesive layer 210. Therefore, by adopting the technical scheme, the mobile phone shell 200 or the mobile phone can be rotationally limited and installed on the mobile power supply 100, so that a user can watch videos while charging, the diversification of the mobile power supply 100 is realized, and the requirements of the user are met.

It should be further noted that, when the fixing plate 200 is installed in the rotation limiting cavity 14, the upper and lower magnets of the snap fastener on the fixing plate 200 are attracted to the first magnetic attraction member 51 in the mobile power supply 100, so as to position the fixing plate 200, that is, to position the mobile phone. When the user rotates the mobile phone by 90 degrees, the left magnet and the right magnet of the snap fastener on the fixing plate 200 are adsorbed to the first magnetic attraction piece 51, and at this time, the mobile phone is changed from a vertical screen state to a horizontal screen state.

Based on the above-mentioned mobile power supply 100, as shown in fig. 11, the embodiment of the utility model further provides a charging device 1, where the charging device 1 includes a fixed bracket 300, an external component 200, and the above-mentioned mobile power supply 100, the fixed bracket 300 is fixedly installed at a target position (specifically, a position where the mobile power supply 100 needs to be used, such as a wall surface, a table top, a bed head, etc.), the external component 200 is rotatably and limitedly installed on the mobile power supply 100, and one side of the mobile power supply 100 facing away from the mobile power supply 100 is connected with the fixed bracket 300.

It should be noted that, after the fixing bracket 300 is connected to the mobile power supply 100, the fixing bracket 300 may also be used to hang other articles such as a fan and an earphone, thereby further improving the practicality.

Preferably, the fixing bracket 300 is an "L" shaped magnetic fixing hook. It can be appreciated that when the charging device 1 is used, a user first fixes the L-shaped magnetic force fixing hook at a target position, then installs the external connection component 200 on the side of the mobile power supply 100 where the rotation limiting cavity 14 is provided, and then installs the side of the mobile power supply 100 facing away from the external connection component 200 on the fixing support 300 through the magnetic attraction piece.

It should be noted that, the portable power source 100 may be attached to the fixed support 300 by the first magnetic attraction member 51, or may be attached to the fixed support 300 by the third magnetic attraction member, which is not limited in the present utility model, and those skilled in the art may choose according to practical situations.

Further, the fixing bracket 300 may be made of some magnetic metal materials such as iron, alloy, etc. Of course, the fixing bracket 300 may also be made of other non-metallic materials, for example: plastic injection members, etc., but to ensure that the magnetic attraction members and the magnetic attraction pieces are provided thereon, so as to ensure that the mobile power supply 100 can be mounted on the fixing bracket 300 through the magnetic attraction members and the magnetic attraction pieces, the present utility model is not limited thereto, and those skilled in the art can select according to practical situations.

The foregoing description is only of the preferred embodiments of the utility model and is not intended to limit the utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the scope of the claims of the present utility model.

Claims

1. The mobile power supply is characterized by comprising a shell, a battery assembly and an external structure, wherein the shell is provided with a containing cavity, and the battery assembly is arranged in the containing cavity;

2. The mobile power supply according to claim 1, wherein the external connection structure comprises a first connection portion and a second connection portion connected with the first connection portion, the first connection portion is clamped into the clamping groove through the opening, and the second connection portion is mounted on the external connection component through a notch of the clamping groove.

3. The mobile power supply according to claim 2, wherein the second connection portion and the first connection portion are rotatable relative to each other; or, in the clamping groove, the first connecting part can rotate relative to the shell.

4. The portable power source of claim 3, further comprising a limiting structure slidably mounted on the housing at the opening to limit the external connection structure in a plugging direction of the first connection portion.

5. The portable power source according to claim 4, wherein the limit structure includes a slide cover, a slide block is convexly disposed on a side of the slide cover facing the housing, a slide rail is vertically disposed on the housing at a corresponding position, and the slide block is slidably mounted on the slide rail, so that the slide cover can open or close the opening.

6. The portable power source of claim 5, further comprising a positioning structure for rotationally positioning the external component, wherein a portion of the positioning structure is disposed on the rotational end surface of the housing and another portion is disposed on the external component.

7. The portable power source of claim 6, wherein the positioning structure comprises at least one first magnetic attraction element and a second magnetic attraction element matched with the first magnetic attraction element, the first magnetic attraction element is mounted on a rotating end face of the housing, and the second magnetic attraction element is mounted on the external connection part and corresponds to the position of the first magnetic attraction element.

8. An external connection component applied to the mobile power supply according to any one of claims 1 to 7, wherein an external connection structure and a positioning structure for rotary positioning are arranged on the external connection component, and the positioning structure is arranged in a circular array with the external connection structure as a center;

9. The circumscribing component of claim 8, wherein the circumscribing component is a mobile phone case or a stationary plate.

10. A charging device, characterized in that the charging device comprises a fixed bracket, an external part and the mobile power supply according to any one of claims 1 to 7, wherein the fixed bracket is arranged at a target position, the external part is arranged on the mobile power supply in a rotating and limiting manner, and one side of the mobile power supply, which is away from the external part, is connected with the fixed bracket.