CN217444681U - Conductive structure of PCB circuit board of USB socket - Google Patents

Abstract

The utility model relates to a technical field of structure among the machinery trade especially relates to the conducting structure of the PCB circuit board who is applied to the USB socket of the switch of electrical accessories. It includes socket bottom shell; the bottom shell is provided with a PCB (printed circuit board), and the PCB is provided with a positive input lead, a negative input lead and a power input assembly; the power input assembly is provided with an L positive connecting piece and an N negative connecting piece which respectively correspond to the positive input lead and the negative input lead, the positive input lead is connected with the L positive connecting piece through an elastic conductive mechanism, and the negative input lead is connected with the N negative connecting piece through another elastic conductive mechanism. The USB socket product of the switch is easy to assemble, safe and reliable through the elastic conductive mechanism. The structure is used on products with electrical functions, and has the advantages of ingenious design, small volume, repeated disassembly by utilizing the elastic characteristics of the elastic conductive mechanism, convenient assembly and greatly improved assembly production efficiency.

Description

PCB circuit board conductive structure of USB socket

Technical Field

The utility model relates to a technical field of structure among the machinery trade especially relates to the conducting structure of the PCB circuit board who is applied to the USB socket of the switch of electrical accessories.

Background

Chinese utility model patent CN204129647U provides a USB interface, plug and terminal equipment, this interface mainly comprises metal casing, insulating inner support, electrically conductive needle, USB interface power control circuit and the electrically conductive mechanism of elasticity, and wherein metal casing ground connection, insulating inner support are fixed in the metal casing, the front end of electrically conductive needle is inserted and is located in the insulating inner support, still include: a USB interface power supply control circuit and an elastic conductive mechanism; a groove is formed in the outer surface of the insulating inner support corresponding to a contact part of the USB plug, and the elastic conductive mechanism is arranged in the groove, is connected with the input end of the USB interface power supply control circuit and is in contact with or disconnected from the contact part of the USB plug so as to send a signal for turning on or off the USB interface power supply to the power supply controller. The invention point of the patent technology is only the structural relation of the USB interface. In fact, the existing socket with the USB product generally adopts the PCB input lead of the USB to be directly welded with the connecting sheet, when the welded conductive structure is assembled on a switch, the lead is easily twisted, the production is very difficult, the assembly efficiency is low after welding, the assembled switch is also frequently desoldered at the conductive position, and the problem of poor switch finished product is caused.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model provides a safe and reliable's PCB circuit board's of USB socket conducting structure.

In order to solve the technical problems, the technical scheme of the invention is as follows: a conductive structure of a PCB circuit board of a USB socket comprises a socket bottom shell; the bottom shell is provided with a PCB circuit board, and the PCB circuit board is provided with a positive input lead, a negative input lead and a power input assembly; the power input assembly is provided with an L positive connecting piece and an N negative connecting piece which respectively correspond to the positive input lead and the negative input lead, the positive input lead is connected with the L positive connecting piece through an elastic conductive mechanism, and the negative input lead is connected with the N negative connecting piece through another elastic conductive mechanism. The switch is easy to assemble, safe and reliable through the elastic conductive mechanism.

Further: in the electrically conductive structure of the PCB circuit board of above-mentioned USB socket, its characterized in that: the elastic conductive mechanism is one of a V-shaped elastic sheet, a U-shaped elastic sheet and a semi-arc-shaped elastic sheet, or the shape similar to the V-shaped elastic sheet, the U-shaped elastic sheet and the semi-arc-shaped elastic sheet. The single side of the elastic conducting mechanism is bent and extended with a fin, and the positive and negative input leads are respectively connected with the fin through butt welding. In the prior art, butt-welding is a mature technology, an insulating rubber sheet at the butt-welding end of an input lead is removed to expose a conductor, the side surface of the conductor is in full contact with the surface of a fin for butt-welding connection, the butt-welding surface area is large, and the contact is firm. After butt welding, insulating glue can be wound on the butt welding position, and the conduction manufacturability is improved. Further, the elastic conductive mechanism is a phosphor bronze conductive clip. The phosphor bronze conducting clip has the characteristics of good elasticity and toughness, good electrical conductivity, capability of being stressed for many times and keeping the structure unchanged, no oxidation of a high-temperature meter resistance machine and good thermal conductivity.

And further: in the conductive structure of the PCB of the USB socket, the L positive connecting piece is a strip-shaped conductor connected with a live wire of a power supply, and the N negative connecting piece is a strip-shaped conductor connected with a zero line of the power supply. The L positive electrode connecting sheet and the N negative electrode connecting sheet are copper sheets. The L positive electrode connecting sheet and the N negative electrode connecting sheet are clamped on the elastic conductive mechanism. The bottom shell is provided with a limiting groove for clamping the elastic conductive mechanism. The bottom shell is provided with a buckle for clamping the PCB. It also comprises a panel, and a framework for compressing the elastic conductive mechanism is arranged on the panel.

Compared with the prior art, the conductive structure of the PCB circuit board of the USB socket comprises a socket bottom shell; the bottom shell is provided with a PCB circuit board, and the PCB circuit board is provided with a positive input lead, a negative input lead and a power input assembly; the power input assembly is provided with an L positive connecting piece and an N negative connecting piece which respectively correspond to the positive input lead and the negative input lead, the positive input lead is connected with the L positive connecting piece through an elastic conductive mechanism, and the negative input lead is connected with the N negative connecting piece through another elastic conductive mechanism. The switch is easy to assemble, safe and reliable through the elastic conductive mechanism. This structure is used in the product of electric function, and the advantage is design benefit, and is small, utilizes the electrically conductive mechanism elasticity characteristics of elasticity, can dismantle many times, and convenient assembly, this structure is electrically conductive firm, can improve the production efficiency of equipment greatly.

Drawings

FIG. 1 is a schematic diagram of a PCB circuit board conductive structure of a conventional USB socket in a comparative example;

FIG. 2 is a schematic view of the elastic conductive mechanism according to the first, second, seventh, and eighth embodiments;

FIG. 3 is a schematic view of an elastic conductive mechanism according to embodiments three, four, nine and ten;

FIG. 4 is a schematic view of elastic conductive means according to fifth, sixth, eleventh, and twelfth embodiments;

FIG. 5 is a schematic diagram showing the connection between the PCB and the elastic conductive mechanism according to all the embodiments (with the circuit component arrangement surface as the front surface);

fig. 6 is a schematic plan view showing the connection of the PCB with the elastic conductive mechanism and the power supply module according to all the embodiments (the circuit component arrangement surface is the front surface);

FIG. 7 is a view of a chassis in all embodiments (with the USB interface arrangement side being the front side and with the positive and negative electrode input lines being hidden);

fig. 8 is a simplified assembly diagram of the PCB board, the elastic conductive mechanism, and the power module according to all the embodiments, which is connected to the chassis (with the USB interface arrangement surface facing the front and the positive and negative input lines shielded);

fig. 9 is a schematic view of a half-section structure in which the conductive structure of the PCB circuit board according to the first to twelfth embodiments is applied to a USB socket;

wherein, 1 drain pan, 2PCB circuit board, 3 anodal input wires, 4 negative pole input wires, 5L anodal connection piece, 6N negative pole connection piece, 7 elasticity conductive mechanism, 8 fins, 9 spacing grooves, 10 buckles, 11 panels, 12 skeletons, 13 spot welding points.

Detailed Description

To facilitate understanding for those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples.

Comparative example: referring to fig. 1, the PCB circuit board conductive structure of the existing USB socket includes a PCB circuit board 2, a positive input wire 3, an L positive connection sheet 5, the positive input wire 3 is directly spot-welded with the L positive connection sheet 5 to form a spot welding point 13, the contact area of the spot welding point 13 is small, and the spot-welded conductive structure is easily broken or rosin joint when the switch is assembled, the wire is easily twisted, the production is very difficult, the assembly efficiency is low after welding, the assembled switch is often not conducted at the conductive position, and the switch finished product is poor.

The first implementation mode comprises the following steps: referring to fig. 2, 5, 6 and 7, the conductive structure of a PCB circuit board of a USB socket comprises a socket bottom case 1; the bottom shell is provided with a PCB (printed circuit board) 2, and the PCB is provided with a positive input lead 3, a negative input lead 4 and a power input assembly; the power input assembly is provided with an L positive connecting piece 5 and an N negative connecting piece 6 which respectively correspond to a positive input lead and a negative input lead, the positive input lead 3 is connected with the L positive connecting piece 5 through an elastic conductive mechanism 7, and the negative input lead 4 is connected with the N negative connecting piece 6 through another elastic conductive mechanism 7. The elastic conductive mechanism is a V-shaped elastic sheet. The single side of the elastic conducting mechanism is bent and extended with a fin 8, and the positive and negative input leads are respectively connected with the fin through butt welding. The L positive connecting piece is a strip-shaped conductor connected with a power supply live wire, and the N negative connecting piece is a strip-shaped conductor connected with a power supply zero line. The L positive electrode connecting sheet and the N negative electrode connecting sheet are copper sheets. The L positive electrode connecting sheet and the N negative electrode connecting sheet are clamped in the middle of the elastic conductive mechanism 7. The bottom shell is provided with a limit groove 9 for clamping the elastic conductive mechanism.

The second embodiment: referring to fig. 2, 5, 6 and 7, the conductive structure of a PCB circuit board of a USB socket comprises a socket bottom case 1; the bottom shell is provided with a PCB (printed circuit board) 2, and the PCB is provided with a positive input lead 3, a negative input lead 4 and a power input assembly; the power input assembly is provided with an L positive connecting piece 5 and an N negative connecting piece 6 which respectively correspond to a positive input lead and a negative input lead, the positive input lead is connected with the L positive connecting piece through an elastic conductive mechanism 7, and the negative input lead is connected with the N negative connecting piece through another elastic conductive mechanism 7. The elastic conductive mechanism is a V-shaped elastic sheet. The single side of the elastic conducting mechanism is bent and extended with a fin 8, and the positive and negative input leads are respectively connected with the fin through butt welding. The L positive connecting piece is a strip-shaped conductor connected with a power supply live wire, and the N negative connecting piece is a strip-shaped conductor connected with a power supply zero line. The L positive electrode connecting sheet and the N negative electrode connecting sheet are copper sheets. The L-shaped positive electrode connecting sheet and the N-shaped negative electrode connecting sheet are clamped in the middle of the elastic conductive mechanism. The bottom shell is provided with a limit groove 9 for clamping the elastic conductive mechanism. The elastic conductive mechanism is a phosphor bronze conductive clip.

The third embodiment is as follows: referring to fig. 3, 5, 6 and 7, the conductive structure of a PCB circuit board of a USB socket comprises a socket bottom case 1; the bottom shell is provided with a PCB (printed circuit board) 2, and the PCB is provided with a positive input lead 3, a negative input lead 4 and a power input assembly; the power input assembly is provided with an L positive connecting piece 5 and an N negative connecting piece 6 which respectively correspond to a positive input lead and a negative input lead, the positive input lead is connected with the L positive connecting piece through an elastic conductive mechanism 7, and the negative input lead is connected with the N negative connecting piece through another elastic conductive mechanism 7. The elastic conductive mechanism is a U-shaped elastic sheet. The single side of the elastic conducting mechanism is bent and extended with a fin 8, and the positive and negative input leads are respectively connected with the fin through butt welding. The L positive connecting piece is a strip-shaped conductor connected with a power supply live wire, and the N negative connecting piece is a strip-shaped conductor connected with a power supply zero line. The L positive electrode connecting sheet and the N negative electrode connecting sheet are copper sheets. The L positive electrode connecting sheet and the N negative electrode connecting sheet are clamped in the middle of the elastic conductive mechanism. The bottom shell is provided with a limiting groove 9 for clamping the elastic conductive mechanism.

The fourth embodiment: referring to fig. 3, 5, 6 and 7, the conductive structure of a PCB circuit board of a USB socket comprises a socket bottom case 1; the bottom shell is provided with a PCB (printed circuit board) 2, and the PCB is provided with a positive input lead 3, a negative input lead 4 and a power input assembly; the power input assembly is provided with an L positive connecting piece 5 and an N negative connecting piece 6 which respectively correspond to a positive input lead and a negative input lead, the positive input lead is connected with the L positive connecting piece through an elastic conductive mechanism 7, and the negative input lead is connected with the N negative connecting piece through another elastic conductive mechanism 7. The elastic conductive mechanism is a U-shaped elastic sheet. The single side of the elastic conducting mechanism is bent and extended with a fin 8, and the positive and negative input leads are respectively connected with the fin through butt welding. The L positive connecting piece is a strip-shaped conductor connected with a power supply live wire, and the N negative connecting piece is a strip-shaped conductor connected with a power supply zero line. The L positive electrode connecting sheet and the N negative electrode connecting sheet are copper sheets. The L-shaped positive electrode connecting sheet and the N-shaped negative electrode connecting sheet are clamped in the middle of the elastic conductive mechanism. The bottom shell is provided with a limit groove 9 for clamping the elastic conductive mechanism. The elastic conductive mechanism is a phosphor bronze conductive clip.

The fifth embodiment: referring to fig. 4, 5, 6 and 7, the conductive structure of a PCB circuit board of a USB socket comprises a socket bottom case 1; the bottom shell is provided with a PCB (printed circuit board) 2, and the PCB is provided with a positive input lead 3, a negative input lead 4 and a power input assembly; the power input assembly is provided with an L positive connecting piece 5 and an N negative connecting piece 6 which respectively correspond to a positive input lead and a negative input lead, the positive input lead is connected with the L positive connecting piece through an elastic conductive mechanism 7, and the negative input lead is connected with the N negative connecting piece through another elastic conductive mechanism 7. The elastic conductive mechanism is a semi-arc-shaped elastic sheet. The single side of the elastic conducting mechanism is bent and extended with a fin 8, and the positive and negative input leads are respectively connected with the fin through butt welding. The L positive connecting piece is a strip-shaped conductor connected with a power supply live wire, and the N negative connecting piece is a strip-shaped conductor connected with a power supply zero line. The L positive electrode connecting sheet and the N negative electrode connecting sheet are copper sheets. The L positive electrode connecting sheet and the N negative electrode connecting sheet are clamped in the middle of the elastic conductive mechanism. The bottom shell is provided with a limit groove 9 for clamping the elastic conductive mechanism.

The sixth embodiment: referring to fig. 4, 5, 6 and 7, a conductive structure of a PCB circuit board of a USB socket includes a socket bottom case 1; the bottom shell is provided with a PCB (printed circuit board) 2, and the PCB is provided with a positive input lead 3, a negative input lead 4 and a power input assembly; the power input assembly is provided with an L positive connecting piece 5 and an N negative connecting piece 6 which respectively correspond to a positive input lead and a negative input lead, the positive input lead is connected with the L positive connecting piece through an elastic conductive mechanism 7, and the negative input lead is connected with the N negative connecting piece through another elastic conductive mechanism 7. The elastic conductive mechanism is a semi-arc-shaped elastic sheet. The single side of the elastic conducting mechanism is bent and extended with a fin 8, and the positive and negative input leads are respectively connected with the fin through butt welding. The L positive connecting piece is a strip-shaped conductor connected with a power supply live wire, and the N negative connecting piece is a strip-shaped conductor connected with a power supply zero line. The L positive electrode connecting sheet and the N negative electrode connecting sheet are copper sheets. The L positive electrode connecting sheet and the N negative electrode connecting sheet are clamped in the middle of the elastic conductive mechanism. The bottom shell is provided with a limit groove 9 for clamping the elastic conductive mechanism. The elastic conductive mechanism is a phosphor bronze conductive clip.

Embodiment seven: referring to fig. 2, 5, 6, 7, 8, and 9, on the basis of the first embodiment, a buckle 10 for clamping the PCB is disposed on the bottom case. It also comprises a panel 11, on which a framework 12 for compressing the elastic conductive mechanism is arranged.

The eighth embodiment: referring to fig. 2, 5, 6, 7, 8, and 9, on the basis of the second embodiment, a buckle 10 for clamping the PCB is disposed on the bottom case. It also comprises a panel 11, on which a framework 12 for compressing the elastic conductive mechanism is arranged.

The ninth embodiment: referring to fig. 3, 5, 6, 7, 8, and 9, on the basis of the third embodiment, a buckle 10 for clamping the PCB is disposed on the bottom case. It also comprises a panel 11, on which a framework 12 for compressing the elastic conductive mechanism is arranged.

Embodiment ten: referring to fig. 3, 5, 6, 7, 8, and 9, on the basis of the fourth embodiment, a buckle 10 for clamping the PCB is disposed on the bottom case. It also comprises a panel 11, on which a framework 12 for compressing the elastic conductive mechanism is arranged.

Embodiment eleven: referring to fig. 4, 5, 6, 7, 8, and 9, on the basis of the fifth embodiment, a buckle 10 for clamping the PCB is disposed on the bottom case. It also comprises a panel 11, on which a framework 12 for compressing the elastic conductive mechanism is arranged.

Embodiment twelve: referring to fig. 4, 5, 6, 7, 8, and 9, in the sixth embodiment, the elastic conductive mechanism is a phosphor bronze conductive clip. The bottom shell is provided with a buckle 10 for clamping the PCB. It also comprises a panel 11, on which a framework 12 for compressing the elastic conductive mechanism is arranged.

In the PCB conductive structure of the USB socket obtained in the first to twelfth embodiments, after the wires and cables are pressed into the wiring assembly by screws, the positive input lead 3 and the negative input lead 4 of 4 are combined with the fins 8 of the elastic conductive mechanism 7 by the butt-welding process (as shown in fig. 5), and then are placed into the spacing groove 9 (as shown in fig. 7) of the bottom case 1, the spacing groove 8 functions as the position of the elastic conductive mechanism 7 and prevents the elastic conductive mechanism 7 from being clamped between the L positive connecting piece 5 and the N negative connecting piece 6, which causes the size of the elastic conductive mechanism 7 to be 0.5 ± 0.1mm larger and the clamp to be loose, the thickness of the L positive connecting piece 5 and the N negative connecting piece 6 is 0.7 ± 0.05mm, and thus the poor conduction phenomenon does not occur, when the L positive connecting piece 5 and the N negative connecting piece 6 are clamped into the middle of the elastic conductive mechanism 7, the frame 12 on the panel 11 presses the top surfaces of the L positive connecting piece 5 and the N negative connecting piece 6 respectively, prevent that L positive pole connection piece 5 and N negative pole connection piece 6 from deviating from (as figure 9), this structure is used in the electricity work product, and advantage design benefit is small, utilizes U-shaped clamp elasticity characteristics, can dismantle many times, and convenient assembly, this structure is electrically conductive firm, can improve the production efficiency of equipment greatly.

The above embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A conductive structure of a PCB circuit board of a USB socket comprises a socket bottom shell (1); the bottom shell is provided with a PCB (printed circuit board) (2), and the PCB is provided with a positive input lead (3), a negative input lead (4) and a power input component; the power input subassembly be equipped with anodal input wire and the anodal connection piece of the L (5) and the N negative pole connection piece (6) that negative pole input wire corresponds respectively, its characterized in that: the anode input lead is connected with the L anode connecting sheet through an elastic conductive mechanism (7), and the cathode input lead is connected with the N cathode connecting sheet through another elastic conductive mechanism (7).

2. The conductive structure of the PCB circuit board of the USB socket according to claim 1, wherein: the elastic conductive mechanism is one of a V-shaped elastic sheet, a U-shaped elastic sheet and a semi-arc elastic sheet.

3. The conductive structure of the PCB circuit board of the USB socket according to claim 2, wherein: the single side of the elastic conducting mechanism is bent and extended with a fin (8), and the positive and negative input leads are respectively connected with the fin through butt welding.

4. The conductive structure of the PCB circuit board of the USB socket according to claim 1, wherein: the elastic conductive mechanism is a phosphor bronze conductive clip.

5. The conductive structure of the PCB circuit board of the USB socket according to claim 1, wherein: the L positive connecting piece is a strip-shaped conductor connected with a power supply live wire, and the N negative connecting piece is a strip-shaped conductor connected with a power supply zero line.

6. The conductive structure of the PCB circuit board of the USB socket according to claim 5, wherein: the L positive electrode connecting sheet and the N negative electrode connecting sheet are copper sheets.

7. The conductive structure of the PCB circuit board of the USB socket according to claim 6, wherein: the L positive electrode connecting sheet and the N negative electrode connecting sheet are clamped on the elastic conductive mechanism.

8. The conductive structure of the PCB circuit board of the USB socket according to claim 1, wherein: the bottom shell is provided with a limit groove (9) for clamping the elastic conductive mechanism.

9. The conductive structure of the PCB circuit board of the USB socket according to claim 1, wherein: the bottom shell is provided with a buckle (10) for clamping the PCB.

10. The conductive structure of the PCB circuit board of the USB socket according to claim 1, wherein: it also comprises a panel, and a framework (11) for compressing the elastic conductive mechanism is arranged on the panel.

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