Portable power source convenient to assemble

Abstract

The utility model discloses a portable power source convenient to assemble. The portable power source comprises a first outer shell, a second outer shell, a first inner shell, a second inner shell and a battery. The first inner shell and the second inner shell each comprise a plurality of inner shell connecting protruding blocks and a plurality of supporting bosses, the first inner shell further comprises an inner shell connecting clamping block, the second inner shell further comprises an inner shell connecting clamping groove, and the inner shell connecting clamping blocks are connected with the inner shell connecting clamping grooves in a clamped mode; the first outer shell and the second outer shell each comprise a plurality of outer shell connecting protruding blocks, and the outer shell connecting protruding blocks and the inner shell connecting protruding blocks each comprise an inclined face located on the front face and a vertical face located on the back face. The first inner shell and the second inner shell are both sleeved with the first outer shell and the second outer shell, and the vertical face of the outer shell connecting protruding block can abut against the vertical face of the inner shell connecting protruding block. According to the technical scheme, the assembling operation can be simplified in a clamping and inserting mode, the assembling efficiency is improved, and the production cost of assembling is reduced.

Description

Technical Field

[0001] The utility model relates to the field of mobile power supplies, in particular to a mobile power supply that is easy to assemble. Background Art

[0002] Mobile power supplies, also known as power banks, are important items commonly used in people's lives. They are generally used to provide convenient charging services for electronic products such as mobile phones, tablets, and portable speakers.

[0003] Power banks typically consist of components such as batteries and housings. During production, these components must be connected via bonding or bolting to form a complete assembly. However, existing bonding or bolting methods are complex, inefficient, and costly. Utility Model Content

[0004] The main purpose of the utility model is to provide a mobile power supply that is easy to assemble, aiming to solve the technical problems of the existing mobile power supply assembly technology using bonding or bolt connection methods, which are complicated to operate, low in efficiency and high in production cost.

[0005] To achieve the above objectives, the present invention provides a portable power supply that is easy to assemble, comprising a first outer shell, a second outer shell, a first inner shell, a second inner shell, a battery, an input interface, and an output interface, wherein the output end of the input interface and the input end of the output interface are respectively connected to the battery;

[0006] The first inner shell and the second inner shell each include a plurality of inner shell connecting protrusions and a plurality of supporting bosses, wherein the plurality of inner shell connecting protrusions are respectively provided on the outer side surface of the first inner shell or the second inner shell, and the plurality of supporting bosses are respectively provided on the inner side surface of the first inner shell or the second inner shell, the first inner shell further includes an inner shell connecting block, and the second inner shell further includes an inner shell connecting slot, wherein the inner shell connecting block is engaged with the inner shell connecting slot;

[0007] The first outer shell and the second outer shell each include a plurality of outer shell connecting protrusions, the plurality of outer shell connecting protrusions being respectively arranged on the inner side of the first outer shell or the second outer shell, and the outer shell connecting protrusions and the inner shell connecting protrusions each include an inclined surface on the front side and a vertical surface on the back side;

[0008] The first outer shell and the second outer shell are both sleeved outside the first inner shell and the second inner shell, and when the first outer shell and the second outer shell are sleeved, the inclined surface of the outer shell connecting protrusion first abuts against the inclined surface of the inner shell connecting protrusion and moves relative to each other, and then the vertical surface of the outer shell connecting protrusion abuts against the vertical surface of the inner shell connecting protrusion;

[0009] The battery is installed between the first inner shell and the second inner shell, and the outer surface of the battery abuts against the supporting boss.

[0010] Optionally, a charging cable is further included, wherein the input end of the charging cable is connected to the battery, and the output end of the charging cable extends outside the first outer shell.

[0011] Optionally, the first outer shell further includes a positioning groove and a positioning protrusion, both of which are arranged on one side of the first outer shell, the end of the charging cable output end can be placed in the positioning groove, and the positioning protrusion can abut against the end of the charging cable output end.

[0012] Optionally, a PCBA board is further included, which is arranged between the first inner shell and the second inner shell, the battery is connected to the PCBA board, and the PCBA board is respectively connected to the output end of the input interface and the input end of the output interface.

[0013] Optionally, the PCBA board includes a limiting hole, the first inner shell includes a first limiting column, the first limiting column is arranged on the inner side surface of the first inner shell, the second inner shell includes a second limiting column, the second limiting column is arranged on the inner side surface of the second inner shell, and the second limiting column has a snap-in hole, the first limiting column can pass through the limiting hole, and the first limiting column can be plugged into the second limiting column.

[0014] Optionally, the number of the supporting bosses is specifically multiple groups, and one group includes three supporting bosses, and the three supporting bosses are arranged in a semi-annular shape on the inner side surface of the first inner shell or the second inner shell.

[0015] Optionally, both the first inner shell and the second inner shell include an outer flange, and the outer flange is arranged in the middle of the first inner shell or the second inner shell.

[0016] The technical solution of the present invention has the following beneficial effects:

[0017] By arranging outer shell connecting protrusions on the first outer shell and the second outer shell, and arranging inner shell connecting protrusions, inner shell connecting blocks, inner shell connecting slots and supporting bosses on the first inner shell and the second inner shell, the battery, the first outer shell, the second outer shell, the first inner shell and the second inner shell can be connected by snapping and plugging, thereby simplifying the assembly operation, improving the assembly efficiency and reducing the production cost of the assembly.

[0018] During assembly, the battery and PCBA board can be directly placed in the first inner shell or the second inner shell, and then the first inner shell and the second inner shell are connected to the inner shell connection slot through the inner shell connection block, so that the outer surface of the battery can be against the support boss, and the first limiting column is inserted into the second limiting column through the limiting hole to position the PCBA board, thereby completing the assembly operation of the battery, PCBA board, first inner shell and second inner shell. Then, the first outer shell and the second outer shell are respectively installed from the two ends of the first inner shell and the second inner shell to the middle. At this time, the inclined surface of the outer shell connection protrusion first abuts against the inclined surface of the inner shell connection protrusion and moves relative to each other until one end of the first outer shell and the second outer shell abuts against the two sides of the outer flange respectively, so that the vertical surface of the outer shell connection protrusion abuts against the vertical surface of the inner shell connection protrusion, thereby completing the assembly operation of the first outer shell and the second outer shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0020] Figure 1 This is a schematic diagram of the overall structure of a mobile power supply that is easy to assemble according to one embodiment of the present invention;

[0021] Figure 2 This is a schematic diagram of the exploded structure of a mobile power supply that is easy to assemble according to one embodiment of the present invention. Figure 1 ;

[0022] Figure 3 This is a schematic diagram of the exploded structure of a mobile power supply that is easy to assemble according to one embodiment of the present invention. Figure 2 ;

[0023] Figure 4 This is a schematic diagram of the first inner shell structure of a mobile power supply that is easy to assemble according to one embodiment of the utility model. Figure 1 ;

[0024] Figure 5 This is a schematic diagram of the first inner shell structure of a mobile power supply that is easy to assemble according to one embodiment of the utility model. Figure 2 ;

[0025] Figure 6 This is a circuit diagram of a mobile power supply that is easy to assemble according to an embodiment of the present invention.

[0026] Explanation of the accompanying figures: first outer shell 100, charging cable 110, positioning groove 120, positioning protrusion 1201, second outer shell 200, outer shell connecting protrusion 210, first inner shell 300, inner shell connecting protrusion 310, inner shell connecting block 320, outer flange 330, supporting boss 340, second inner shell 400, battery 500, PCBA board 600, input interface 610, output interface 620, limiting hole 630.

[0027] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0030] In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the fact that ordinary technicians in this field can implement them. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0031] The utility model provides a mobile power supply which is easy to assemble.

[0032] like Figures 1 to 6 As shown, in one embodiment of the present invention, the mobile power supply that is easy to assemble includes a first outer shell 100, a second outer shell 200, a first inner shell 300, a second inner shell 400, a battery 500, an input interface 610, and an output interface 620. In this embodiment, the first inner shell 300 includes an inner shell connecting block 320, and the second inner shell 400 includes an inner shell connecting slot. The first inner shell 300 and the second inner shell 400 are connected to the inner shell connecting slot via the inner shell connecting block 320. The battery 500 is installed between the first inner shell 300 and the second inner shell 400. The first outer shell 100 and the second outer shell 200 are both sleeved outside the first inner shell 300 and the second inner shell 400.

[0033] like Figures 2 to 5 As shown, the first inner shell 300 and the second inner shell 400 each include a plurality of inner shell connection protrusions 310 and a plurality of support bosses 340. The plurality of inner shell connection protrusions 310 are respectively disposed on the outer side surface of the first inner shell 300 or the second inner shell 400, and the plurality of support bosses 340 are respectively disposed on the inner side surface of the first inner shell 300 or the second inner shell 400. Specifically, the first outer shell 100 and the second outer shell 200 each include a plurality of outer shell connection protrusions 210, which are respectively disposed on the inner side surface of the first outer shell 100 or the second outer shell 200. In addition, the outer shell connection protrusions 210 and the inner shell connection protrusions 310 each include an inclined surface on the front side and a vertical surface on the back side. In this embodiment, when the first outer shell 100 and the second outer shell 200 are sleeved outside the first inner shell 300 and the second inner shell 400, the inclined surface of the outer shell connecting protrusion 210 first abuts against the inclined surface of the inner shell connecting protrusion 310 and moves relative to each other, and then the vertical surface of the outer shell connecting protrusion 210 abuts against the vertical surface of the inner shell connecting protrusion 310, thereby completing the assembly operation of the first outer shell 100 and the second outer shell 200.

[0034] In this embodiment, the number of support bosses 340 is specifically multiple groups, each group including three support bosses 340. The three support bosses 340 are arranged in a semi-annular shape on the inner side surface of the first inner shell 300 or the second inner shell 400. The outer surface of the battery 500 can abut against the support bosses 340. In addition, the first inner shell 300 and the second inner shell 400 both include an outer flange 330, which is arranged in the middle of the first inner shell 300 or the second inner shell 400. After the first outer shell 100 and the second outer shell 200 are assembled, one end of each of them abuts against the two sides of the outer flange 330.

[0035] like Figure 3 and Figure 4 As shown, the PCBA board 600 is also included. The PCBA board 600 is disposed between the first inner housing 300 and the second inner housing 400. The battery 500 is connected to the PCBA board 600. The PCBA board 600 is respectively connected to the output end of the input interface 610 and the input end of the output interface 620. Specifically, the PCBA board 600 also includes a limiting hole 630. The first inner housing 300 includes a first limiting post, which is disposed on the inner side of the first inner housing 300. The second inner housing 400 includes a second limiting post, which is disposed on the inner side of the second inner housing 400. The second limiting post has a snap-in hole. The first limiting post can pass through the limiting hole 630 and can be plugged into the second limiting post.

[0036] like Figures 1 to 3As shown, the first housing 100 also includes a charging cable 110. The input end of the charging cable 110 is connected to the PCBA board 600, and the output end of the charging cable 110 extends outside the first housing 100. Specifically, the first housing 100 also includes a positioning groove 120 and a positioning protrusion 1201. The positioning groove 120 and the positioning protrusion 1201 are both provided on one side of the first housing 100. The end of the output end of the charging cable 110 can be placed in the positioning groove 120, and the positioning protrusion 1201 can abut against the end of the output end of the charging cable 110.

[0037] It is worth noting that the PCBA board 600 is integrated with a control circuit, a charge and discharge management circuit, a lithium battery protection circuit, and a buck-boost circuit. When the easily assembled mobile power supply is charging or discharging, the charge and discharge management, lithium battery protection, and buck-boost functions can be realized through the circuits integrated on the PCBA board 600.

[0038] Specifically, the working principle and process of the utility model are as follows:

[0039] By arranging outer shell connecting protrusions on the first outer shell and the second outer shell, and arranging inner shell connecting protrusions, inner shell connecting blocks, inner shell connecting slots and supporting bosses on the first inner shell and the second inner shell, the battery, the first outer shell, the second outer shell, the first inner shell and the second inner shell can be connected by snapping and plugging, thereby simplifying the assembly operation, improving the assembly efficiency and reducing the production cost of the assembly.

[0040] During assembly, the battery and PCBA board can be directly placed in the first inner shell or the second inner shell, and then the first inner shell and the second inner shell are connected to the inner shell connection slot through the inner shell connection block, so that the outer surface of the battery can be against the support boss, and the first limiting column is inserted into the second limiting column through the limiting hole to position the PCBA board, thereby completing the assembly operation of the battery, PCBA board, first inner shell and second inner shell. Then, the first outer shell and the second outer shell are respectively installed from the two ends of the first inner shell and the second inner shell to the middle. At this time, the inclined surface of the outer shell connection protrusion first abuts against the inclined surface of the inner shell connection protrusion and moves relative to each other until one end of the first outer shell and the second outer shell abuts against the two sides of the outer flange respectively, so that the vertical surface of the outer shell connection protrusion abuts against the vertical surface of the inner shell connection protrusion, thereby completing the assembly operation of the first outer shell and the second outer shell.

[0041] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the utility model concept, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A mobile power supply that is easy to assemble, characterized in that: It includes a first outer shell, a second outer shell, a first inner shell, a second inner shell, a battery, an input interface, and an output interface, wherein the output end of the input interface and the input end of the output interface are respectively connected to the battery; The first inner shell and the second inner shell each include a plurality of inner shell connecting protrusions and a plurality of supporting bosses, wherein the plurality of inner shell connecting protrusions are respectively provided on the outer side surface of the first inner shell or the second inner shell, and the plurality of supporting bosses are respectively provided on the inner side surface of the first inner shell or the second inner shell, the first inner shell further includes an inner shell connecting block, and the second inner shell further includes an inner shell connecting slot, wherein the inner shell connecting block is engaged with the inner shell connecting slot; The first outer shell and the second outer shell each include a plurality of outer shell connecting protrusions, the plurality of outer shell connecting protrusions being respectively arranged on the inner side of the first outer shell or the second outer shell, and the outer shell connecting protrusions and the inner shell connecting protrusions each include an inclined surface on the front side and a vertical surface on the back side; The first outer shell and the second outer shell are both sleeved outside the first inner shell and the second inner shell, and when the first outer shell and the second outer shell are sleeved, the inclined surface of the outer shell connecting protrusion first abuts against the inclined surface of the inner shell connecting protrusion and moves relative to each other, and then the vertical surface of the outer shell connecting protrusion abuts against the vertical surface of the inner shell connecting protrusion; The battery is installed between the first inner shell and the second inner shell, and the outer surface of the battery abuts against the supporting boss.

2. The portable power supply that is easy to assemble according to claim 1, characterized in that: The battery is also provided with a charging cable, wherein the input end of the charging cable is connected to the battery, and the output end of the charging cable extends outside the first outer shell.

3. The portable power supply that is easy to assemble according to claim 2, characterized in that: The first outer shell further includes a positioning groove and a positioning protrusion, both of which are arranged on one side of the first outer shell. The end of the charging cable output end can be placed in the positioning groove, and the positioning protrusion can abut against the end of the charging cable output end.

4. The portable power supply that is easy to assemble according to claim 1, characterized in that: It also includes a PCBA board, which is arranged between the first inner shell and the second inner shell. The battery is connected to the PCBA board, and the PCBA board is respectively connected to the output end of the input interface and the input end of the output interface.

5. The portable power source that is easy to assemble according to claim 4, characterized in that: The PCBA board includes a limiting hole, the first inner shell includes a first limiting column, the first limiting column is arranged on the inner side of the first inner shell, the second inner shell includes a second limiting column, the second limiting column is arranged on the inner side of the second inner shell, and the second limiting column has a snap-on hole, the first limiting column can pass through the limiting hole, and the first limiting column can be plugged into the second limiting column.

6. The portable power supply that is easy to assemble according to claim 1, characterized in that: The number of the supporting bosses is specifically multiple groups, and one group includes three supporting bosses, and the three supporting bosses are arranged in a semi-annular shape on the inner side surface of the first inner shell or the second inner shell.

7. The portable power supply that is easy to assemble according to claim 1, characterized in that: The first inner shell and the second inner shell both include an outer flange, and the outer flange is arranged in the middle of the first inner shell or the second inner shell.

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