CN219106547U - Power adapter with exempt from to weld structure - Google Patents

Abstract

The utility model discloses a power adapter with a welding-free structure, which comprises an upper cover, a lower cover and a circuit board. The input end of the circuit board is provided with two circular tubes, and the top of each circular tube is provided with two straight grooves respectively; the upper cover is provided with the mount pad, is provided with two inserted sheets on the mount pad throughout, and the bottom of every inserted sheet has a closed angle respectively, and every closed angle can insert in the corresponding pipe respectively. The utility model realizes the quick connection between the inserting sheet and the circular tube, avoids the connection with the input end of the circuit board by welding the lead at the end part of the inserting sheet, thereby improving the production efficiency of the power adapter and ensuring the connection between the inserting sheet and the circuit board to be more firm and reliable.

Description

Power adapter with exempt from to weld structure

Technical Field

The present utility model relates to the field of power adapters, and in particular, to a power adapter with a solderless structure.

Background

The pins of the power adapter are typically wired to the circuit board inputs. One end of the wire is welded at the end part of the inserting piece of the power adapter, and the other end of the wire is soldered with the input end of the circuit board. Although the electric connection between the inserting sheet and the circuit board can be realized by the technical scheme, the scheme not only needs a certain process for welding the wire, but also influences the whole assembly process of the power adapter, thereby leading to lower production efficiency of the power adapter. In addition, if the welding spots at the two ends of the lead are not firm, the welding spots are easy to loosen under the condition of external force (such as impact, drop and the like), so that the power supply cannot be used normally due to the power supply adaptation. Therefore, it is necessary to propose a new technical scheme that the inserting sheet of the power adapter does not need welding wires, thereby improving the production efficiency of the power adapter, and in addition, the connection between the inserting sheet and the circuit board is firmer and more reliable.

It can be seen that there is a need for improvements and improvements in the art.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, the present utility model aims to provide a power adapter with a welding-free structure, which aims to solve the technical problem that the insert of the power adapter needs to weld wires in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a power adapter with a welding-free structure comprises an upper cover, a lower cover and a circuit board. The input end of the circuit board is provided with two circular tubes, and the top of each circular tube is provided with two straight grooves respectively; the upper cover is provided with the mount pad, is provided with two inserted sheets on the mount pad throughout, and the bottom of every inserted sheet has a closed angle respectively, and every closed angle can insert in the corresponding pipe respectively.

Further, in the power adapter with the welding-free structure, two straight grooves on each circular tube are oppositely arranged.

Further, in the power adapter with the solderless structure, the length of each straight groove is equal to half of the length of the round tube.

Further, in the power adapter with the solderless structure, the width direction of each insert piece is perpendicular to the direction of the connecting line of the two straight grooves on the corresponding round tube.

Further, in the power adapter with the welding-free structure, each insert piece comprises an upper insert piece and a lower insert piece which are integrally formed, and the upper insert piece is wider than the lower insert piece.

Further, in the power adapter with the welding-free structure, a step is arranged at the bottom of the mounting seat, and a step hole is correspondingly arranged on the upper cover.

Further, in the power adapter with the welding-free structure, the upper cover, the lower cover and the mounting seat are made of plastic.

Further, in the power adapter with the welding-free structure, the upper cover and the lower cover are connected in an adhesive mode, and the mounting seat is connected with the upper cover in an adhesive mode.

The beneficial effects are that: compared with the prior art, the utility model has the advantages that the two circular tubes are arranged at the input end of the circuit board, and the two straight grooves are respectively arranged at the top of each circular tube, so that the quick connection between the inserting sheet and the circular tube is realized, the connection with the input end of the circuit board in a mode of welding wires at the end part of the inserting sheet is avoided, and the production efficiency of the power adapter is improved. In addition, because of interference fit between inserted sheet and the pipe, the inserted sheet is more reliable and more stable with the direct wire connection of circuit board among the prior art.

Drawings

Fig. 1 is a front view of a power adapter with a solderless structure according to the present utility model.

Fig. 2 is a top view of a power adapter with a solderless structure according to the present utility model.

Fig. 3 is a partial enlarged view of the region S in fig. 1.

Fig. 4 is a perspective view of the insert.

Fig. 5 is a perspective view of a round tube.

Fig. 6 is a schematic view of the assembly of the insert and the tube, wherein the insert has not been inserted into the tube.

Detailed Description

The utility model provides a power adapter with a welding-free structure, which is further described in detail below for the purpose, technical scheme and effect of the utility model to be clearer and clearer. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 6, the present utility model provides a power adapter with a solderless structure. The drawings are only for the purpose of illustrating the structural principles and are not to scale with respect to actual products. Structures that cannot be directly observed in the drawings are indicated by dashed lines.

The terms "upper", "lower", and the like, as used herein, are set forth with respect to fig. 1 and are not meant to limit the present utility model. Since the circuit board itself is not the utility model, the specific structure of the circuit board is not shown in the drawings, and the substrate of the circuit board and the solder joints welded with the two circular tubes are only schematically shown.

As shown in fig. 2, for convenience of explanation, the length direction of the power adapter is defined herein as the X direction, and the width direction of the power adapter is defined as the Y direction.

A power adapter with a solderless structure comprises an upper cover 1, a lower cover 2 and a circuit board 4. Two circular tubes 5 (only one circular tube is observed from the view angle of the drawing) are arranged at the input end of the circuit board, and two straight grooves 500 are respectively formed in the top of each circular tube; the upper cover is provided with mount pad 3, is provided with two inserted sheets 6 on the mount pad throughout, and the bottom of every inserted sheet has a closed angle 601 respectively, and every closed angle can insert in the corresponding pipe respectively. The sharp angle is preferably an acute angle.

As shown in fig. 5, preferably, two straight grooves on each circular tube are disposed opposite to each other. I.e. two straight grooves 180 deg. apart in the circumferential direction.

Preferably, the length of each straight slot is equal to half the length of a circular tube. The arrangement ensures that the straight groove has enough length, two parts at the top of the circular tube have proper deflection, and the inserting sheet is easy to be inserted into the circular tube.

As shown in fig. 6, the width direction (i.e., X direction) of each insert sheet is preferably perpendicular to the direction (i.e., Y direction) of the line connecting the two straight grooves on the corresponding round tube. This setting is convenient for the inserted sheet avoid the direction of straight flute, can not fall into in the straight flute.

Further, as shown in fig. 4, each insert sheet includes an upper insert sheet 61 and a lower insert sheet 62, which are integrally formed, respectively, and the upper insert sheet is wider than the lower insert sheet. The size of inserted sheet and pipe is favorable to reducing to this setting, and the pipe of being convenient for is connected with the circuit board, reduces the installation space of pipe.

As shown in fig. 3 and 6, further, the bottom of the mounting seat is provided with a step 301, and the upper cover is correspondingly provided with a step hole 100. This arrangement facilitates the direct cooperation of mount pad and upper cover.

Preferably, the upper cover, lower cover and mounting base are made of plastic.

Preferably, the upper cover and the lower cover are adhesively connected, and the mounting base and the upper cover are adhesively connected. That is, the upper cover and the lower cover are connected by a strong adhesive, the mount pad and the upper cover are connected by a strong adhesive, and the power adapter is not detachable under normal conditions after the connection.

For ease of understanding, the assembly steps are briefly described below. (1) And respectively processing to obtain an upper cover, a lower cover, a circuit board and an inserting sheet, and performing injection molding on the inserting sheet to obtain the mounting seat. (2) The circuit board is put into the lower cover, and the upper cover and the lower cover are buckled (at this time, two circular tubes can be observed downwards from the stepped hole). (3) The mounting seat is inserted into the step hole of the upper cover, and the two inserting sheets are respectively inserted into the corresponding round tubes, and the top of each inserting sheet is slightly spread due to the excessively hard fit between the inserting sheet and the round tube, so that the tight fit between the inserting sheet and the round tube is realized.

According to the analysis, compared with the prior art, the two circular tubes are arranged at the input end of the circuit board, and the two straight grooves are respectively arranged at the top of each circular tube, so that the quick connection between the inserting sheet and the circular tube is realized, the connection with the input end of the circuit board in a mode of welding wires at the end part of the inserting sheet is avoided, and the production efficiency of the power adapter is improved. In addition, because of interference fit between inserted sheet and the pipe, the inserted sheet is more reliable and more stable with the direct wire connection of circuit board among the prior art.

It will be understood that equivalents and modifications will occur to those skilled in the art based on the present utility model and its spirit, and all such modifications and substitutions are intended to be included within the scope of the present utility model.

Claims (8)

1. The power adapter with the welding-free structure comprises an upper cover, a lower cover and a circuit board, and is characterized in that the input end of the circuit board is provided with two circular tubes, and the top of each circular tube is provided with two straight grooves respectively; the upper cover is provided with the mount pad, is provided with two inserted sheets on the mount pad throughout, and the bottom of every inserted sheet has a closed angle respectively, and every closed angle can insert in the corresponding pipe respectively.

2. The power adapter with a solderless configuration of claim 1, wherein the two straight grooves on each tube are disposed opposite each other.

3. The power adapter with solderless feature of claim 1, wherein the length of each straight slot is equal to half the length of a round tube.

4. The power adapter with a solderless structure of claim 1, wherein the width direction of each insert piece is perpendicular to the direction of the line connecting the two straight grooves on the corresponding round tube.

5. The power adapter with a solderless feature of claim 1, wherein each tab comprises an integrally formed upper tab and lower tab, respectively, and the upper tab is wider than the lower tab.

6. The power adapter with a solderless structure of claim 1, wherein the bottom of the mounting base is provided with a step, and the upper cover is correspondingly provided with a step hole.

7. The power adapter of claim 1 wherein the upper cover, lower cover and mounting base are made of plastic.

8. The power adapter with solderless feature of claim 1, wherein the upper cover and the lower cover are adhesively attached, and the mount is adhesively attached to the upper cover.

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