CN220822675U - Charging device - Google Patents

Charging device Download PDF

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Publication number
CN220822675U
CN220822675U CN202322557230.5U CN202322557230U CN220822675U CN 220822675 U CN220822675 U CN 220822675U CN 202322557230 U CN202322557230 U CN 202322557230U CN 220822675 U CN220822675 U CN 220822675U
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CN
China
Prior art keywords
clamping
clamping piece
charging device
circuit board
piece
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Active
Application number
CN202322557230.5U
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Chinese (zh)
Inventor
高雷迪
居志胜
文杰
龙海岸
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Ningbo Gongniu Digital Technology Co Ltd
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Ningbo Gongniu Digital Technology Co Ltd
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Priority to CN202322557230.5U priority Critical patent/CN220822675U/en
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Publication of CN220822675U publication Critical patent/CN220822675U/en
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Abstract

The utility model provides a charging device, which comprises a shell, a bolt, a connecting piece and a circuit board, wherein the bolt is arranged on the shell, the connecting piece is arranged in the shell, the connecting piece comprises a first clamping piece and a second clamping piece, the first clamping piece and the second clamping piece are arranged at intervals to form a clamping channel extending along a first direction, the first clamping piece and the second clamping piece are arranged in a staggered mode along the first direction, at least one part of the circuit board is clamped in the clamping channel, and the bolt is electrically connected with the circuit board through the connecting piece. The charging device provided by the utility model can solve the problem that the miniaturization requirement cannot be met due to the limited internal space of the shell under the condition that the miniaturization requirement is met in the charging device in the prior art.

Description

Charging device
Technical Field
The utility model relates to the technical field related to charging equipment, in particular to a charging device.
Background
The charging device is used for charging electronic products such as mobile phones and flat panels, and along with the demand for miniaturized charging devices, more and more miniaturized charging devices are on the market.
However, in the current miniaturized charging device, the inner space of the housing is limited during the assembly process, and when the circuit board is installed and positioned, especially at the position of the round corner of the housing of the charging device, because the round corner is limited, there is not enough space for arranging the clamping device, and the conventional means for clamping the circuit board cannot meet the requirement of miniaturization.
As can be seen from the above, the conventional clamping device cannot meet the requirement of miniaturization of the charging device.
Disclosure of utility model
The utility model mainly aims to provide a charging device, which solves the problem that the charging device in the prior art has poor mounting stability of a circuit board due to limited internal space of a shell under the condition of meeting miniaturization.
In order to achieve the above object, according to one aspect of the present utility model, there is provided a charging device including a housing; the bolt is arranged on the shell; the connecting piece is arranged in the shell and comprises a first clamping piece and a second clamping piece, the first clamping piece and the second clamping piece are arranged at intervals to form a clamping channel extending along a first direction, and the first clamping piece and the second clamping piece are arranged in a staggered mode along the first direction; and the circuit board, at least one part of the circuit board is clamped in the clamping channel, and the bolt is connected with the circuit board through the connecting piece.
Further, along the first direction, the partial area of the first clamping piece and the partial area of the second clamping piece are arranged in a staggered mode, and the other partial area of the first clamping piece and the other partial area of the second clamping piece are arranged in a contraposition mode or in a staggered mode.
Further, adjacent sides of the first clamp and the second clamp are coplanar.
Further, the first clamping piece and the second clamping piece are elastic pieces, and the first clamping piece and the second clamping piece are in butt joint with the circuit board through elastic deformation.
Further, along the second direction perpendicular to the first direction, the first end of the connecting piece is connected with the bolt, the second end of the connecting piece is provided with a first clamping piece and a second clamping piece, and the first clamping piece is arranged on one side, far away from the bolt, of the second clamping piece.
Further, in the first direction, the length of the first clamping member is greater than the length of the second clamping member.
Further, the shell comprises a first side plate and a second side plate which are connected at an angle, the joint of the first side plate and the second side plate is rounded, the second clamping piece is attached to the inner wall surface of the first side plate along the first direction, and the first clamping piece is arranged at intervals with the first side plate; along the second direction, the first clamping piece is attached to the inner wall surface of the second side plate, and the second clamping piece is arranged at intervals with the second side plate.
Further, along the second direction, the connecting piece still includes first board section, swash plate section and the second board section of connecting in order, and first board section is connected with the casing, and first holder and second holder set up on first board section, and the second board section is located the top of first board section, and at least a portion of bolt stretches into the inside support second board section of casing and is connected with the second board section.
Further, the first plate section is attached to the bottom surface of the shell; and/or the first plate section is provided with a mounting hole, the bottom surface of the shell is provided with a convex column, the convex column penetrates through the mounting hole, and the inner peripheral wall of the mounting hole is in butt joint with the outer peripheral wall of the convex column.
Further, the circuit board includes first plate body and the second plate body of being connected with first plate body, and first plate body and second plate body set up at an angle, are provided with the electric interface on the first plate body, and at least a portion of first plate body is pegged graft in the inside of centre gripping passageway.
By applying the technical scheme of the utility model, the charging device comprises a shell, a bolt, a connecting piece and a circuit board, wherein the bolt is arranged on the shell, the connecting piece is arranged in the shell, the connecting piece comprises a first clamping piece and a second clamping piece, the first clamping piece and the second clamping piece are arranged at intervals to form a clamping channel extending along a first direction, the first clamping piece and the second clamping piece are arranged in a staggered mode along the first direction, at least one part of the circuit board is clamped in the clamping channel, and the bolt is electrically connected with the circuit board through the connecting piece.
Therefore, the charging device provided by the application adopts the first clamping piece and the second clamping piece which are arranged in a staggered manner along the first direction to clamp the circuit board, so that the double-sided clamping of the circuit board is realized, the mounting stability of the circuit board is improved, and the phenomenon of inclination of the circuit board is avoided; meanwhile, the first clamping piece and the second clamping piece which are arranged in a staggered mode can effectively avoid the position of the corner of the shell, the space inside the shell is reasonably utilized, and the problem that the miniaturization requirement cannot be met due to interference between the clamping piece and the corner area of the shell is avoided. According to the application, the first clamping piece and the second clamping piece which are arranged in a staggered manner realize double-sided positioning of the circuit board, the space inside the shell is reasonably utilized, the stability of the installation of the circuit board and the assembly efficiency of the charging device are improved, and the experience is good.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
Fig. 1 shows a schematic perspective view of a charging device of the present utility model;
fig. 2 shows a front view of the charging device of the present utility model;
FIG. 3 shows a cross-sectional view taken along A-A in FIG. 2;
FIG. 4 shows a schematic view of the internal structure of the housing of the present utility model;
FIG. 5 shows a schematic view of the mounting structure of the first plate body of the present utility model;
Fig. 6 shows a schematic view of the connector and the mounting structure of the connector of the present utility model.
Wherein the above figures include the following reference numerals:
10. A housing; 101. a receiving chamber; 110. a base; 1101. a first side plate; 1102. a second side plate; 1103. a third side plate; 1104. a fourth side plate; 111. a convex column; 120. an upper cover; 121. a via hole; 20. a plug pin; 210. a boss structure; 30. a connecting piece; 310. a first plate segment; 311. a mounting hole; 320. a swash plate section; 330. a second plate segment; 410. a first clamping member; 420. a second clamping member; 50. a circuit board; 510. a first plate body; 511. an electrical interface; 520. and a second plate body.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that 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 application belongs unless otherwise indicated.
In the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present utility model.
In order to solve the problem that the installation stability of a circuit board is poor due to the limited internal space of the shell 10 under the condition that the miniaturization is satisfied in the charging device in the prior art, the utility model provides the charging device. In this embodiment, the charging device is used for charging a mobile phone, a tablet, and the like.
As shown in fig. 1 to 6, the charging device includes a housing 10, a latch 20, a connector 30 and a circuit board 50, the latch 20 is disposed on the housing 10, the connector 30 is disposed inside the housing 10, the connector 30 includes a first clamping member 410 and a second clamping member 420, the first clamping member 410 and the second clamping member 420 are disposed at intervals to form a clamping channel extending along a first direction, the first clamping member 410 and the second clamping member 420 are disposed at a dislocation along the first direction, at least a portion of the circuit board 50 is clamped inside the clamping channel, and the latch 20 is electrically connected with the circuit board 50 through the connector 30.
Specifically, the charging device of the present application uses the first clamping member 410 and the second clamping member 420 that are arranged in a staggered manner along the first direction to clamp the circuit board 50, so that the double-sided clamping of the circuit board 50 is achieved to improve the stability of the installation of the circuit board 50, and the occurrence of the phenomenon that the circuit board 50 is inclined is avoided; meanwhile, the first clamping piece 410 and the second clamping piece 420 which are arranged in a staggered manner can effectively avoid the position of the corner of the shell 10, so that the space inside the shell 10 is reasonably utilized, and the problem that the miniaturization requirement cannot be met due to interference between the clamping pieces and the corner area of the shell 10 is avoided.
The first clamping piece 410 and the second clamping piece 420 which are arranged in a staggered manner realize double-sided positioning of the circuit board 50, reasonably utilize the space inside the shell 10, improve the mounting stability of the circuit board 50 and the assembly efficiency of the charging device, and have good experience.
Further, the housing 10 includes an upper cover 120 and a base 110, the upper cover 120 is covered on the base 110 to form a containing cavity 101, the connector 30 and the circuit board 50 are contained in the containing cavity 101, the upper cover 120 of the housing 10 has a via 121, and the electrical interface 511 on the circuit board 50 is exposed through the via 121.
Further, the connecting member 30 is made of metal for conducting electricity.
Further, the base 110 is injection molded, and the plug 20 and the base 110 are fixedly connected by adopting an injection molding process.
In this embodiment, two pins 20 are provided, the two pins 20 are a zero line pin and a fire line pin, the pins 20 and the connecting pieces 30 are arranged in one-to-one correspondence, the zero line pin and the fire line pin are connected with the two connecting pieces 30 respectively, so that the two pins 20 are connected with the circuit board 50 through the two connecting pieces 30, the two connecting pieces 30 are arranged at intervals along the first direction, and the two clamping channels formed by the two connecting pieces 30 are communicated and collinear, so that the two clamping channels are matched to clamp the same circuit board 50.
In this embodiment, two different implementations are provided depending on the position of the first clamp 410 and the second clamp 420 in the first direction.
In a specific embodiment, not shown, along the first direction, a partial region of the first clamping member 410 and a partial region of the second clamping member 420 are arranged in a staggered manner, and another partial region of the first clamping member 410 and another partial region of the second clamping member 420 are arranged in a aligned manner.
Specifically, the first clamping member 410 and the second clamping member 420 are partially arranged in a staggered manner, the other part of the first clamping member and the second clamping member 420 are arranged in a aligned manner, and the corner region, particularly the corner region, of the housing 10 is avoided through the partially staggered structure, so that the problem that the first clamping member 410 and the second clamping member 420 interfere with the housing 10 to cause that the circuit board 50 cannot be mounted is solved.
In the embodiment shown in fig. 1-6, the first clamp 410 and the second clamp 420 are completely offset in the first direction.
Along the first direction, a partial region of the first clamping member 410 and a partial region of the second clamping member 420 are arranged in a staggered manner, and another partial region of the first clamping member 410 and another partial region of the second clamping member 420 are also arranged in a staggered manner.
Specifically, the first clamping member 410 and the second clamping member 420 are completely arranged in a staggered manner, so that the first clamping member 410 and the second clamping member 420 are in a staggered structure, and the phenomenon that the first clamping member 410 or the second clamping member 420 interferes with the housing 10 to cause inconvenience in positioning and clamping the circuit board 50 is avoided.
Further, in the first direction, the first clamping member 410 and the second clamping member 420 are disposed adjacent to each other toward the side of the first side plate 1101, and the side of the first clamping member 410 and the second clamping member 420 toward the first side plate 1101 are coplanar.
In this embodiment, the first clamping member 410 is used for avoiding the corner area of the housing 10, so that interference is avoided through the staggered structure, and the first clamping member 410 and the second clamping member 420 with staggered structure provide a double-sided clamping force for positioning the circuit board 50, which has the effect of placing the circuit board 50 obliquely.
As shown in fig. 1 to 6, the housing 10 includes a first side plate 1101, a second side plate 1102, a third side plate 1103, and a fourth side plate 1104 connected end to end in this order, wherein the first side plate 1101 extends in a second direction, the second side plate 1102 extends in a first direction, and the first side plate 1101 and the second side plate 1102 form a corner region.
Further, the connection between the first side plate 1101 and the second side plate 1102 is rounded, along the first direction, the second clamping member 420 is attached to the inner wall surface of the first side plate 1101, the first clamping member 410 is spaced from the first side plate 1101, along the second direction, the first clamping member 410 is attached to the inner wall surface of the second side plate 1102, and the second clamping member 420 is spaced from the second side plate 1102.
In this embodiment, the first clamping member 410 and the second clamping member 420 that are arranged in a staggered manner reasonably avoid the round corner position, so as to clamp the circuit board 50, improve the stability of the installation of the circuit board 50, and simultaneously meet the miniaturization requirement of the housing 10.
As shown in fig. 1 to 6, the first and second clamps 410 and 420 each extend in a first direction, wherein the first and second clamps 410 and 420 are spaced apart in a second direction perpendicular to the first direction to achieve a clamping channel between the first and second clamps 410 and 420.
Further, the first clamping member 410 and the second clamping member 420 are elastic members, and the first clamping member 410 and the second clamping member 420 are abutted against the circuit board 50 through elastic deformation. When the first clamping member 410 and the second clamping member 420 abut against the circuit board 50, the first clamping member 410 and the second clamping member 420 elastically deform, so that the first clamping member 410 and the second clamping member 420 provide mutually-oriented pressing forces to clamp the circuit board 50.
It should be noted that, two clamping pieces are symmetrically arranged in the double-sided clamping circuit board structure in the prior art, one of the two clamping pieces is elastically deformed, and the other clamping piece is not elastically deformed and only plays a role of a stop, so that the problem of shaking and shifting inclination easily occurs when the circuit board in the prior art is clamped and positioned on two sides. Compared with the prior art, the first clamping member 410 and the second clamping member 420 of the present application are elastically deformed and provide two pressing forces facing each other to clamp the circuit board 50, so that the stability of the installation of the circuit board 50 is effectively improved.
As shown in fig. 1 to 6, in the second direction, the first end of the connection member 30 is connected to the latch 20, and the second end of the connection member 30 has a first clamping member 410 and a second clamping member 420 thereon, and the first clamping member 410 is disposed at a side of the second clamping member 420 away from the latch 20.
Further, in the first direction, the length of the first clamping member 410 is greater than the length of the second clamping member 420. Wherein the second clamping member 420 has a length shorter than that of the first clamping member 410, which is advantageous in saving material and reducing cost while ensuring a clamping effect.
The first direction is the illustrated X direction, and the second direction is the illustrated Y direction.
Further, in the second direction, the connecting member 30 further includes a first plate section 310, an inclined plate section 320 and a second plate section 330 sequentially connected, the first plate section 310 is connected with the housing 10, the first clamping member 410 and the second clamping member 420 are disposed on the first plate section 310, the second plate section 330 is located above the first plate section 310, and at least a portion of the plug pin 20 extends into the housing 10 to support the second plate section 330 and is connected with the second plate section 330.
Wherein the first clamp 410 and the second clamp 420 are disposed on the first plate segment 310 at ends thereof remote from the second plate segment 330.
Further, the first plate section 310 is attached to the bottom surface of the casing 10, and the connecting piece 30 adopts a three-section structure, so that attachment of the first plate section 310 to the bottom surface of the casing 10 is achieved, the contact area between the connecting piece 30 and the casing 10 is increased through attachment of the first plate section 310 to the bottom surface of the casing 10, and further the overall installation stability of the connecting piece 30 is improved.
Further, the first plate section 310 has a mounting hole 311, the bottom surface of the housing 10 has a boss 111, the boss 111 penetrates the mounting hole 311, and the inner peripheral wall of the mounting hole 311 abuts against the outer peripheral wall of the boss 111. The buckling positions of the convex columns 111 and the mounting holes 311 are used for clamping, so that the positioning accuracy is improved, and meanwhile, the stability of connection between the connecting piece 30 and the shell 10 is also improved.
In this embodiment, the second clamp 420 and the latch 20 are located on the same side of the circuit board 50.
In this embodiment, the portion of the latch 20 located inside the housing 10 has a boss structure 210, the second plate segment 330 is riveted or welded to the boss structure 210, and an end of the boss structure 210 away from the bottom surface of the housing 10 abuts against the second plate segment 330. When the protruding structure is riveted with the second plate section 330, the second plate section 330 is provided with a riveting hole, the boss structure 210 is provided with a rivet, and the rivet is in riveting fit with the riveting hole; when the second plate segment 330 and the boss structure 210 are welded, the fixed connection of the boss structure 210 and the second plate segment 330 can be directly achieved.
It should be noted that, when the latch 20 is positioned, the boss structure 210 is positioned inside the housing 10, so that the connection positioning effect between the housing 10 and the latch 20 can be improved, and the latch 20 can not fall off in the use process.
As shown in fig. 1 to 6, the circuit board 50 includes a first board body 510 and a second board body 520 connected to the first board body 510, the first board body 510 and the second board body 520 are disposed at an angle, an electrical interface 511 is disposed on the first board body 510, and at least a portion of the first board body 510 is inserted into the clamping channel.
Specifically, the first plate 510 and the second plate 520 are disposed at an angle inside the housing 10, so as to increase the utilization rate of the internal space of the housing 10, thereby realizing the arrangement of the charging device in accordance with miniaturization.
Further, the first plate 510 and the second plate 520 are vertically connected.
In this embodiment, the electrical interface 511 is disposed on the first board 510 so as to be exposed at the via hole 121 of the housing 10, and when the electrical interface 511 needs to be output, the electrical interface 511 may be a USB interface by being plugged and matched with a power line.
From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects:
The charging device of the application adopts the first clamping piece 410 and the second clamping piece 420 which are arranged in a staggered manner along the first direction to clamp the circuit board 50, thereby not only achieving the double-sided clamping of the circuit board 50 to improve the mounting stability of the circuit board 50, but also avoiding the occurrence of the phenomenon of inclination of the circuit board 50; meanwhile, the first clamping piece 410 and the second clamping piece 420 which are arranged in a staggered manner can effectively avoid the position of the corner of the shell 10, so that the space inside the shell 10 is reasonably utilized, and the problem that the miniaturization requirement cannot be met due to interference between the clamping pieces and the corner region of the shell 10 is avoided. The first clamping piece 410 and the second clamping piece 420 which are arranged in a staggered manner realize double-sided positioning of the circuit board 50, reasonably utilize the space inside the shell 10, improve the mounting stability of the circuit board 50 and the assembly efficiency of the charging device, and have good experience.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by 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 protection scope of the present utility model.

Claims (10)

1. A charging device, characterized by comprising:
a housing (10);
A plug (20), the plug (20) being arranged on the housing (10);
The connecting piece (30), the connecting piece (30) is arranged in the shell (10), the connecting piece (30) comprises a first clamping piece (410) and a second clamping piece (420), the first clamping piece (410) and the second clamping piece (420) are arranged at intervals to form a clamping channel extending along a first direction, and the first clamping piece (410) and the second clamping piece (420) are arranged in a staggered mode along the first direction;
-a circuit board (50), at least a portion of the circuit board (50) being clamped inside the clamping channel, the plug pin (20) being electrically connected to the circuit board (50) via the connection piece (30).
2. The charging device according to claim 1, wherein,
Along the first direction, a partial region of the first clamping piece (410) and a partial region of the second clamping piece (420) are arranged in a staggered mode, and another partial region of the first clamping piece (410) and another partial region of the second clamping piece (420) are arranged in a contraposition mode or in a staggered mode.
3. The charging device of claim 1, wherein adjacent sides of the first clamp (410) and the second clamp (420) are coplanar in the first direction.
4. The charging device according to claim 1, wherein,
The first clamping piece (410) and the second clamping piece (420) are elastic pieces, and the first clamping piece (410) and the second clamping piece (420) are abutted with the circuit board (50) through elastic deformation.
5. The charging device according to claim 1, wherein a first end of the connecting member (30) is connected to the plug pin (20) in a second direction perpendicular to the first direction, the second end of the connecting member (30) has the first clamping member (410) and the second clamping member (420) thereon, and the first clamping member (410) is disposed on a side of the second clamping member (420) away from the plug pin (20).
6. The charging device of claim 5, wherein a length of the first clamp (410) is greater than a length of the second clamp (420) in the first direction.
7. The charging device according to claim 5, wherein the housing (10) comprises a first side plate (1101) and a second side plate (1102) connected at an angle, the connection of the first side plate (1101) and the second side plate (1102) being rounded,
Along the first direction, the second clamping piece (420) is attached to the inner wall surface of the first side plate (1101), and the first clamping piece (410) is arranged at intervals from the first side plate (1101);
Along the second direction, the first clamping piece (410) is attached to the inner wall surface of the second side plate (1102), and the second clamping piece (420) is arranged at intervals with the second side plate (1102).
8. The charging device according to claim 5, wherein the connecting member (30) further comprises a first plate section (310), an inclined plate section (320) and a second plate section (330) connected in sequence in the second direction, the first plate section (310) is connected with the housing (10), the first clamping member (410) and the second clamping member (420) are provided on the first plate section (310), the second plate section (330) is located above the first plate section (310), and at least a portion of the plug pin (20) extends into the interior of the housing (10) to support the second plate section (330) and is connected with the second plate section (330).
9. The charging device according to claim 8, wherein,
The first plate section (310) is attached to the bottom surface of the housing (10); and/or
The first plate section (310) is provided with a mounting hole (311), the bottom surface of the shell (10) is provided with a convex column (111), the convex column (111) penetrates through the mounting hole (311), and the inner peripheral wall of the mounting hole (311) is abutted with the outer peripheral wall of the convex column (111).
10. The charging device according to any one of claims 1 to 9, wherein the circuit board (50) comprises a first board body (510) and a second board body (520) connected with the first board body (510), the first board body (510) and the second board body (520) are arranged at an angle, an electrical interface (511) is arranged on the first board body (510), and at least a part of the first board body (510) is spliced inside the clamping channel.
CN202322557230.5U 2023-09-19 2023-09-19 Charging device Active CN220822675U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322557230.5U CN220822675U (en) 2023-09-19 2023-09-19 Charging device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322557230.5U CN220822675U (en) 2023-09-19 2023-09-19 Charging device

Publications (1)

Publication Number Publication Date
CN220822675U true CN220822675U (en) 2024-04-19

Family

ID=90705116

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322557230.5U Active CN220822675U (en) 2023-09-19 2023-09-19 Charging device

Country Status (1)

Country Link
CN (1) CN220822675U (en)

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