Charger baby fixing structure
The detachable fixing structure and limit design solve the problem of difficult disassembly of the power bank, making it easy to repair and replace the battery cells, and improving the waterproof performance and structural stability of the power bank.
Patent Information
- Application Number
- CN202422522689.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-18
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-10-18
AI Technical Summary
The existing fixing methods of power banks (fixed buckles or glue) make disassembly difficult, inconvenient to repair and replace components, and may damage the structure.
The lower bracket and the battery cell bracket are connected by a detachable first fixing part and a second fixing part, and a limit structure and a locking piece are combined to achieve a stable and easy-to-detach fixing method.
The power bank is easy to maintain and repair, the sealing effect and waterproof performance are improved, and the structure is more compact.
Smart Images

Figure CN223348393U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of power banks, in particular to a fixing structure of a power bank. Background Art
[0002] Currently, most power banks are fixed with dead buckles or glue. For power banks fixed with dead buckles, once assembled, the dead buckles are difficult to disassemble. If the internal components of the power bank fail or the battery cells need to be replaced, disassembly and repair of the power bank will become very difficult, which may cause irreversible damage to the structure of the power bank. For power banks fixed with glue, once the glue solidifies, the glued parts are difficult to disassemble, which also causes inconvenience to subsequent repairs and replacement of components. Utility Model Content
[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a power bank fixing structure.
[0004] The purpose of this utility model is achieved through the following technical solutions:
[0005] A power bank fixing structure, characterized in that it includes: an outer shell, a battery cell holder, a lower holder and a component assembly, the inner surface of the outer shell is provided with a first step and a second step; the battery cell holder is arranged inside the outer shell, and the battery cell holder is provided with a first limiting portion and a first fixing portion, and the first limiting portion is abutted against the first step; the lower holder is arranged on one side of the battery cell holder, and the lower holder is provided with a second fixing portion, the first fixing portion is connected to the second fixing portion, and the lower holder is abutted against the second step; the component assembly is arranged on the other side of the battery cell holder.
[0006] In one embodiment, a first fixing hole is provided on the first fixing portion, a first through hole is provided on the second fixing portion, a first locking member is passed through the first through hole, and the first locking member is connected to the first fixing hole.
[0007] In one embodiment, the outer shell includes a bottom cover, which is arranged on a side of the lower bracket away from the battery cell bracket, and a first clamping portion and a limiting plate are provided on the bottom cover, and a first clamping hole and a limiting groove are provided on the lower bracket, the first clamping portion is clamped and connected with the first clamping hole, and the limiting plate is connected with the limiting groove.
[0008] In one embodiment, a accommodating cavity is provided on the battery cell holder, a battery cell is provided on the accommodating cavity, the battery cell is provided as a positive terminal at one end close to the component assembly, and the battery cell is provided as a negative terminal at one end close to the lower holder, and insulating sheets are provided on the positive terminal and the negative terminal.
[0009] In one embodiment, a first connecting bar and a second connecting bar are provided on the battery cell support, one end of the first connecting bar is connected to the positive terminal, and one end of the second connecting bar is connected to the negative terminal.
[0010] In one embodiment, the component assembly includes a protective plate, a light plate and a sunshade plate arranged from bottom to top, the other end of the first connecting strip is arranged on the protective plate, and the other end of the second connecting strip is arranged on the protective plate.
[0011] In one embodiment, an NTC wire is further provided on the battery cell holder, one end of the NTC wire is electrically connected to the negative terminal, and the other end of the NTC wire is electrically connected to the protection board.
[0012] In one embodiment, a second fixing member is provided on the battery cell holder, a second through hole is opened on the protection plate, a second locking member is passed through the second through hole, and the second locking member is engaged and connected with the second fixing member.
[0013] In one embodiment, a third through hole is provided on the lamp panel, a fourth through hole is provided on the light shielding plate, the third through hole and the fourth through hole are arranged opposite to each other, a third locking member is passed through the third through hole and the fourth through hole, a second fixing hole is provided on the second locking member, and the third locking member is connected to the second fixing hole.
[0014] In one embodiment, the housing further includes a top cover, which is arranged on a side of the shading plate away from the light board, a second clamping portion is provided on the top cover, a second clamping hole is provided on the shading plate, and the second clamping portion is engaged and connected with the second clamping hole.
[0015] In one embodiment, the top cover includes a light-transmitting area and a power port, the power port is electrically connected to the protection plate, and the light-transmitting area is used to display the remaining power of the power bank.
[0016] Compared with the prior art, the present invention has at least the following advantages:
[0017] The utility model provides a fixing structure of a power bank, which is connected by a first fixing part and a second fixing part, so that the lower bracket is fixed to the battery cell bracket. Since the first fixing part and the second fixing part are detachably connected, when the internal components of the power bank fail or the battery cell needs to be replaced, the first fixing part and the second fixing part are manually disassembled to disassemble the lower bracket and the battery cell bracket. In this way, the power bank can be conveniently maintained and repaired, and damage to the structure of the power bank is avoided. Since the first limiting part of the battery cell bracket is abutted against the first step, and the lower bracket is abutted against the second step, a pulling structure is formed between the lower bracket and the battery cell bracket, making the fixing structure of the lower bracket and the battery cell bracket more stable, providing a better sealing effect, and improving the waterproof performance of the power bank. The components on the component assembly are combined on the battery cell bracket in a stacking structure, making the power bank structure more compact. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for use in the embodiments.
[0019] Figure 1 This is a cross-sectional view of a power bank fixing structure in one embodiment of the present utility model;
[0020] Figure 2 This is a schematic diagram of a power bank fixing structure in one embodiment of the present utility model;
[0021] Figure 3 This is another schematic diagram of a power bank fixing structure in one embodiment of the present invention. DETAILED DESCRIPTION
[0022] In order to facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings.
[0023] See also Figures 1 to 3 A power bank fixing structure 10 is characterized in that it includes: a shell 100, a battery cell holder 200, a lower holder 300 and a component assembly 400, the inner surface of the shell 100 is provided with a first step 110 and a second step 120; the battery cell holder 200 is arranged inside the shell 100, and the battery cell holder 200 is provided with a first limiting portion 210 and a first fixing portion 220, and the first limiting portion 210 is abutted against the first step 110; the lower holder 300 is arranged on one side of the battery cell holder 200, and the lower holder 300 is provided with a second fixing portion 310, the first fixing portion 220 is connected to the second fixing portion 310, and the lower holder 300 is abutted against the second step 120; the component assembly 400 is arranged on the other side of the battery cell holder 200.
[0024] The first fixing portion 220 and the second fixing portion 310 are connected to fix the lower bracket 300 to the battery holder 200. Since the first fixing portion 220 and the second fixing portion 310 are detachably connected, when the internal components of the power bank fail or the battery cell needs to be replaced, the first fixing portion 220 and the second fixing portion 310 are manually disassembled to separate the lower bracket 300 from the battery holder 200. In this way, the power bank can be easily maintained and repaired, and damage to the structure of the power bank is avoided. Since the first limiting portion 210 of the battery holder 200 abuts against the first step 110, and the lower bracket 300 abuts against the second step 120, a pulling structure is formed between the lower bracket 300 and the battery holder 200, making the fixing structure of the lower bracket 300 and the battery holder 200 more stable, providing a better sealing effect, and improving the waterproof performance of the power bank. The components on the component assembly 400 are combined on the battery holder 200 in a stacked structure, making the power bank structure more compact.
[0025] Please refer again Figure 1 In one embodiment, a first fixing hole 221 is provided on the first fixing portion 220, and a first through hole 311 is opened on the second fixing portion 310. A first locking member 312 is passed through the first through hole 311. The first locking member 312 is connected to the first fixing hole 221. The first locking member 312 is a bolt, and the first fixing hole 221 is provided with a thread matching the first locking member 312. With this arrangement, when the internal components of the power bank fail or the battery cell needs to be replaced, the disassembly can be easily completed by twisting the first locking member 312. Multiple first locking members 312 are evenly distributed on the lower bracket 300, avoiding local stress concentration on the lower bracket 300.
[0026] Please refer again Figure 2 In one embodiment, the shell 100 includes a bottom cover 130, which is arranged on a side of the lower bracket 300 away from the battery cell bracket 200. The bottom cover 130 is provided with a first clamping portion 131 and a limiting plate 132, and the lower bracket 300 is provided with a first clamping hole 320 and a limiting groove 330. The first clamping portion 131 is engaged with the first clamping hole 320 to fix the bottom cover 130 to the lower bracket 300, and then the limiting plate 132 is connected to the limiting groove 330 to further strengthen the connection between the bottom cover 130 and the lower bracket 300. The bottom cover 130 plays a packaging role, which can improve the waterproof performance of the power bank.
[0027] Please refer again Figure 1 and Figure 2In one embodiment, a receiving cavity 230 is provided on the battery cell holder 200, and a battery cell 231 is provided on the receiving cavity 230. The battery cell 231 is provided with a positive terminal 231a at one end close to the component assembly 400, and a negative terminal 231b at one end close to the lower bracket 300. An insulating sheet 231c is provided on the positive terminal 231a and the negative terminal 231b. The insulating sheet 231c insulates the positive terminal 231a and the negative terminal 231b of the battery cell 231, thereby preventing the battery cell 231 from short-circuiting.
[0028] Please refer again Figure 1 and Figure 3 In one embodiment, a first connecting bar 240 and a second connecting bar 250 are provided on the battery cell holder 200, one end of the first connecting bar 240 is connected to the positive terminal 231a, and one end of the second connecting bar 250 is connected to the negative terminal 231b. The component assembly 400 includes a protective plate 410, a light board 420 and a sunshade 430 arranged from bottom to top, the other end of the first connecting bar 240 is provided on the protective plate 410, and the other end of the second connecting bar 250 is provided on the protective plate 410.
[0029] It should be noted that by welding one end of the first connecting bar 240 and one end of the second connecting bar 250 to the positive terminal 231a and the negative terminal 231b of the battery cell, and then welding the other end of the first connecting bar 240 and the other end of the second connecting bar 250 to the protective plate 410, an electrical connection is formed between the battery cell and the protective plate 410. The protective plate 410 has the function of protecting the battery cell and preventing the battery cell from overcharging. The light board 420 serves as a power display, and the light shielding plate 430 can block part of the light from the light board 420, thereby allowing the user to clearly see the remaining power of the power bank.
[0030] Please refer again Figure 2 and Figure 3 In one embodiment, an NTC wire 260 is further provided on the battery holder 200. One end of the NTC wire 260 is electrically connected to the negative terminal 231b, and the other end of the NTC wire 260 is electrically connected to the protection board 410. The NTC wire 260 adjusts the working state of the circuit by measuring the temperature change in the power bank circuit to ensure the stability and safety of the circuit. Such a setting can increase the service life of the power bank.
[0031] Please refer again Figure 1 and Figure 3In one embodiment, a second fixing member 270 is provided on the battery holder 200, a second through hole 411 is opened on the protective plate 410, a second locking member 412 is passed through the second through hole 411, and an opening is provided on the second fixing member 270, so that the second locking member 412 is engaged with the second fixing member 270, thereby fixing the protective plate 410 on the battery holder 200. When the power bank needs maintenance, the engaging connection method allows the staff to easily complete the disassembly and assembly of the protective plate 410 and the battery holder 200 without causing irreversible damage to the structure of the power bank.
[0032] Please refer again Figure 1 and Figure 3 In one embodiment, a third through hole 421 is provided on the lamp board 420, and a fourth through hole 431 is provided on the light shielding plate 430. The third through hole 421 and the fourth through hole 431 are arranged opposite to each other, and a third locking member 422 is passed through the third through hole 421 and the fourth through hole 431. The second locking member 412 is provided with a second fixing hole 412a, and the third locking member 422 is connected to the second fixing hole 412a. The third locking member 422 is a bolt, and the second fixing hole 412a is provided with a thread matching the third locking member 422. Such an arrangement can form a fixed connection between the lamp board 420 and the light shielding plate 430. When the power bank needs maintenance, the staff can twist the third locking member 422 to complete the disassembly and assembly of the light board 420 and the light shielding plate 430 without causing irreversible damage to the structure of the power bank.
[0033] Please refer again Figure 2 and Figure 3 In one embodiment, the housing 100 further includes a top cover 140, which is disposed on a side of the sun visor 430 away from the light board 420. A second clamping portion 141 is provided on the top cover 140, and a second clamping hole 432 is provided on the sun visor 430. The second clamping portion 141 is engaged with the second clamping hole 432, so that the top cover 140 is fixedly connected to the sun visor 430. The top cover 140 also plays a packaging role, which can improve the waterproof performance of the power bank.
[0034] Please refer again Figure 3 In one embodiment, the top cover 140 includes a light-transmitting area 142 and a power port 143. The power port 143 is electrically connected to the protective plate 410. The light-transmitting area 142 is used to display the remaining power of the power bank. When the remaining power of the power bank is 50%, the light emitted by the light board 420 is projected onto the top cover 140 through the sunshade 430. At this time, only half of the light-transmitting area 142 shows bright light. This setting allows the user to clearly see the remaining power of the power bank. The power port 143 used in this power bank is set to a combined charging and discharging port, which makes it more convenient for users to use this power bank.
[0035] The above-described embodiments merely represent several implementation methods of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that a person of ordinary skill in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present utility model patent shall be determined by the appended claims.
Claims
1. A power bank fixing structure, characterized in that: include: a housing, wherein the inner surface of the housing is provided with a first step and a second step; A cell holder, the cell holder being disposed inside the housing, the cell holder being provided with a first limiting portion and a first fixing portion, the first limiting portion abutting against the first step; A lower bracket, the lower bracket being arranged on one side of the battery cell bracket, the lower bracket being provided with a second fixing portion, the first fixing portion being connected to the second fixing portion, and the lower bracket being in contact with the second step; and A component assembly is arranged on the other side of the battery cell support.
2. A power bank fixing structure according to claim 1, characterized in that: The first fixing portion is provided with a first fixing hole, the second fixing portion is provided with a first through hole, a first locking member is passed through the first through hole, and the first locking member is connected to the first fixing hole.
3. A power bank fixing structure according to claim 1, characterized in that: The shell includes a bottom cover, which is arranged on a side of the lower bracket away from the battery cell bracket. The bottom cover is provided with a first clamping portion and a limiting plate, and the lower bracket is provided with a first clamping hole and a limiting groove. The first clamping portion is clamped and connected with the first clamping hole, and the limiting plate is connected with the limiting groove.
4. A power bank fixing structure according to claim 1, characterized in that: The battery cell holder is provided with a receiving cavity, the receiving cavity is provided with a battery cell, the battery cell is provided with a positive terminal at one end close to the component assembly, and a negative terminal at one end close to the lower holder, and insulating sheets are provided on the positive terminal and the negative terminal.
5. A power bank fixing structure according to claim 4, characterized in that: A first connecting bar and a second connecting bar are provided on the battery cell support, one end of the first connecting bar is connected to the positive terminal, and one end of the second connecting bar is connected to the negative terminal.
6. A power bank fixing structure according to claim 5, characterized in that: The component assembly includes a protection plate, a light plate and a sunshade plate arranged from bottom to top, the other end of the first connecting strip is arranged on the protection plate, and the other end of the second connecting strip is arranged on the protection plate.
7. A power bank fixing structure according to claim 6, characterized in that: An NTC wire is also provided on the battery cell support, one end of the NTC wire is electrically connected to the negative terminal, and the other end of the NTC wire is electrically connected to the protection plate.
8. The power bank fixing structure according to claim 6, characterized in that: A second fixing piece is provided on the battery cell bracket, a second through hole is opened on the protection plate, a second locking piece is passed through the second through hole, and the second locking piece is engaged and connected with the second fixing piece.
9. A power bank fixing structure according to claim 8, characterized in that: A third through hole is provided on the lamp panel, a fourth through hole is provided on the light shielding plate, the third through hole and the fourth through hole are arranged opposite to each other, a third locking member is passed through the third through hole and the fourth through hole, a second fixing hole is provided on the second locking member, and the third locking member is connected to the second fixing hole.
10. The power bank fixing structure according to claim 6, characterized in that: The housing further comprises a top cover, which is arranged on a side of the shading plate away from the light board. A second clamping portion is provided on the top cover, a second clamping hole is provided on the shading plate, and the second clamping portion is engaged and connected with the second clamping hole.