Spring needle back charging device

Abstract

The utility model provides a spring needle back charging device, which belongs to the technical field of charging equipment and comprises a shell, a PCBA (printed circuit board assembly) is arranged in the shell, a charging copper column is arranged on the PCBA and extends out of the shell, the shell comprises a shell side wall, the PCBA is parallel to the shell side wall, and the charging copper column is arranged on the PCBA. The PCBA board is arranged in the shell, a slot for inserting the PCBA board and a buckle for fixing the PCBA board are arranged on the side wall of the shell, a limiting hole is formed in the PCBA board, and the position of the limiting hole corresponds to the position of the buckle; according to the utility model, the PCBA board is vertically placed and is parallel to the side wall of the housing, the housing is provided with the slot and the buckle, and the PCBA board is directly inserted into the housing and is matched with the buckle for fixation, so that the charging copper column is simple in structure, is only cylindrical, does not need to be fixed by screws, does not adopt a screwing mode, and is convenient to use. The mode that the inserting grooves are matched with the buckles is adopted, and the problems that a screw driving mode is high in cost and low in efficiency are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a charging device.

[0002] Specifically, the utility model relates to a spring needle back charging device. BACKGROUND

[0003] In recent years, spring needle charging mode is more and more popular, gradually replaces traditional TYPE C charging, for spring needle back charging mode, such as the attached Figure 1 And the attached Figure 2 As shown in figures, PCBA is usually placed vertically with the shell side wall, the charging copper column is made into L type, is welded on PCBA, and PCBA is fixed on the shell through screw, and this mode is complex in copper column shape, and the screw assembly process is low in efficiency, and the overall cost is higher. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the insufficient of above-mentioned traditional technology, provides a spring needle back charging device.

[0005] The utility model aims at overcoming the insufficient of above-mentioned traditional technology, provides a spring needle back charging device.

[0006] As an improvement, the insertion slot includes a first insertion slot arranged on one side of the shell side wall and a second insertion slot arranged on the other side of the shell side wall, and the distance between the interiors of the first insertion slot and the second insertion slot is the width of the PCBA plate.

[0007] As a further improvement, the first insertion slot includes at least one first X-direction insertion slot limiting rib and at least one first Y-direction insertion slot limiting rib, the second insertion slot includes at least one second X-direction insertion slot limiting rib and at least one second Y-direction insertion slot limiting rib, the distance between the first Y-direction insertion slot limiting rib and the second Y-direction insertion slot limiting rib is the width of the PCBA plate, and the distance between the first X-direction insertion slot limiting rib and the second X-direction insertion slot limiting rib and the shell side wall is the thickness of the PCBA plate.

[0008] As a further improvement, the buckle includes a buckle body, the buckle body is provided with a fixing buckle that can extend into the limiting hole, and the buckle body is further provided with at least one buckle limiting rib.

[0009] As a further improvement, the buckle is disposed between the first slot and the second slot.

[0010] As a further improvement, the shell is further provided with a plurality of charging copper column blocking grooves, the number of the charging copper column blocking grooves being consistent with the number of the charging copper columns.

[0011] Due to the adoption of the above technical scheme, compared with the prior art, the utility model has the advantages of:

[0012] The PCBA board is vertically placed and parallel to the shell side wall, the shell is designed with the slot and the buckle, the PCBA board is directly inserted into the shell and fixed by cooperating with the buckle, this scheme makes the charging copper column structure simple, is only cylindrical, and does not need to be fixed by screws, does not adopt the screwing mode, but adopts the mode of cooperation between the slot and the buckle, solves the problems of high cost and low efficiency of the screwing mode, saves the cost and greatly improves the assembly efficiency.

[0013] The utility model will be further described below in combination with the drawings and specific embodiments. DRAWINGS

[0014] ATTACHMENT Figure 1 is the structural schematic diagram of prior art;

[0015] ATTACHMENT Figure 2 is the explosion structural schematic diagram of prior art;

[0016] ATTACHMENT Figure 3 is the structural schematic diagram of the utility model;

[0017] ATTACHMENT Figure 4 is the explosion structural schematic diagram of the utility model;

[0018] ATTACHMENT Figure 5 is the sectional view of the utility model;

[0019] ATTACHMENT Figure 6 is the sectional view of the utility model in another direction;

[0020] ATTACHMENT Figure 7 is the structural schematic diagram of the buckle in the utility model. EMBODIMENT

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0023] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0025] Example 1: As shown in the attached document Figure 3 -Appendix Figure 7 As shown: A spring-loaded pin back charging device includes a housing 1, a PCBA board 2 is disposed inside the housing 1, a charging copper post 3 is disposed on the PCBA board 2 and extends out of the housing 1, the housing 1 includes a housing side wall 11, the PCBA board 2 is disposed parallel to the housing side wall 11, and the housing side wall 11 is provided with a slot 4 for inserting the PCBA board 2 and a buckle 5 for fixing the PCBA board 2, and a limiting hole 21 is provided on the PCBA board 2, the position of the limiting hole 21 corresponding to the position of the buckle 5.

[0026] The slot 4 includes a first slot 41 disposed on one side of the housing sidewall 11 and a second slot 42 disposed on the other side of the housing sidewall 11. The distance between the interior of the first slot 41 and the second slot 42 is the width of the PCBA board 2.

[0027] The first slot 41 comprises a first X-direction slot limiting rib 411 and a first Y-direction slot limiting rib 412; the second slot 42 comprises a second X-direction slot limiting rib 421 and a second Y-direction slot limiting rib 422; the distance between the first Y-direction slot limiting rib 412 and the second Y-direction slot limiting rib 422 is the width of the PCBA board 2, and the distance between the first X-direction slot limiting rib 411 and the second X-direction slot limiting rib 421 and the shell side wall 11 is the thickness of the PCBA board 2. Of course, the number of the above-mentioned slot limiting ribs can be adjusted according to the size of the actual product, as long as the uniform stress is ensured.

[0028] The buckle 5 comprises a buckle body 51, the buckle 5 is arranged between the first slot 41 and the second slot 42, the buckle body 51 is provided with a fixed buckle 53 capable of extending into the limiting hole 21, the fixed buckle 53 is buckled into the limiting hole 21 of the PCBA board 2, so that the PCBA board 2 can be limited in the Z direction and cannot shake; the buckle body 51 is further provided with two buckle limiting ribs 52, which play a role in tightly pressing the PCBA board 2 in the X direction.

[0029] The shell 1 is further provided with a plurality of charging copper column blocking grooves 12, the number of the charging copper column blocking grooves 12 is consistent with the number of the charging copper columns 3.

[0030] In the novel, the shapes of various limiting ribs are designed as triangles with arc transitions, which facilitates the assembly of the limiting ribs. Of course, the shapes of the limiting ribs are not limited to triangles, and can also be other shapes.

[0031] Considering that the charging copper columns 3 will be stressed during the charging process, the PCBA board 2 cannot shake after assembly, the buckle limiting ribs and the PCBA board 2 are designed as interference fit, at least 0.1-0.2mm interference, which plays a role in tightly pressing the PCBA board 2, the charging copper column blocking grooves 12 and the charging copper columns 3 leave a small assembly gap of 0.05mm, the surface of the buckle and the limiting hole of the PCBA board 2 are designed as zero fit, so that the PCBA board 2 can be limited in the Z direction and cannot shake, through the above structure cooperation, the problems of high cost and low efficiency of the traditional PCBA board 2 fixing mode are solved.

[0032] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A pogo pin back charging device, comprising a shell, a PCBA board is arranged in the shell, a charging copper column is arranged on the PCBA board and extends out of the shell, characterized in that: The shell comprises a shell side wall, the PCBA board is arranged in parallel with the shell side wall, the shell side wall is provided with a slot for inserting the PCBA board, and a buckle for fixing the PCBA board is arranged on the shell side wall, the PCBA board is provided with a limiting hole, and the position of the limiting hole corresponds to the position of the buckle.

2. A pogo pin back charging device according to claim 1, characterized in that: The slot comprises a first slot arranged on one side of the shell side wall and a second slot arranged on the other side of the shell side wall, and the distance between the interiors of the first slot and the second slot is the width of the PCBA board.

3. A pogo pin back charging device as claimed in claim 2, characterized in that: The first slot comprises at least one first X-direction slot limiting rib and at least one first Y-direction slot limiting rib, the second slot comprises at least one second X-direction slot limiting rib and at least one second Y-direction slot limiting rib, the distance between the first Y-direction slot limiting rib and the second Y-direction slot limiting rib is the width of the PCBA board, and the distance between the first X-direction slot limiting rib and the second X-direction slot limiting rib and the shell side wall is the thickness of the PCBA board.

4. A pogo pin back charging device as claimed in claim 1, wherein: The buckle comprises a buckle body, the buckle body is provided with a fixing buckle capable of extending into the limiting hole, and the buckle body is further provided with at least one buckle limiting rib.

5. A pogo pin back charging device as claimed in claim 2, wherein: The buckle is arranged between the first slot and the second slot.

6. A pogo pin back charging device as claimed in claim 1, characterized in that: The shell is further provided with a plurality of charging copper column blocking grooves, and the number of the charging copper column blocking grooves is consistent with the number of the charging copper columns.

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