Power socket

Abstract

The utility model relates to a power socket, which comprises a base and four conductive pins, one end of the base is provided with a jack, the hole wall of the inner end of the jack is provided with an insertion column in a penetrating manner, and the insertion column is used for being matched with an external power plug in an insertion manner. The two conductive pins are arranged on the two opposite side faces adjacent to the end face, provided with the jacks, of the base, and each conductive pin is in an L shape and comprises a connecting piece which extends from the corresponding side face of the base and crosses the bottom end face of the base and a patch which is formed by bending and extending from the tail end of the connecting piece. And the bottom end surface of the patch is welded on the welding surface of the PCB through an SMT (Surface Mount Technology). The production efficiency of the power socket can be improved, and the welding reliability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to socket technical field, especially a power socket. BACKGROUND

[0002] The power socket is a common power interface in electronic equipment, which is used for connecting a DC power adapter or a battery pack to provide stable power supply for the equipment and is widely used in many fields such as audio, communication, security and medical equipment.

[0003] The existing power socket usually adopts a straight insertion type packaging structure, and a positioning hole is pre-processed on a PCB board, and the pin on the power socket is inserted into the positioning hole and then welded and fixed. However, the inventor found in the specific implementation that the above processing method has the following disadvantages in mass production: the pin assembly operation is complicated, time-consuming and labor-intensive, and the production cost is high; in addition, the straight insertion type welding point is prone to poor contact under mechanical vibration or external force impact, and the welding reliability is poor. SUMMARY

[0004] Therefore, it is necessary to provide a power socket.

[0005] The utility model discloses a technical scheme for solving the above technical problems: a power socket, including base and conductive pin, the one end of base is provided with the insertion hole, the inner end hole wall of insertion hole is equipped with the insertion post that the external power plug inserts and cooperates, the conductive pin is provided with 4, and the two conductive pins are arranged on the opposite two side surfaces adjacent to the end face of base provided with the insertion hole, the conductive pin is L type and includes the connecting sheet that extends from the corresponding side surface of base and crosses the bottom end face of base and the patch that is bent and extends from the end of connecting sheet, and the bottom end face of patch is welded on the welding surface of PCB board through SMT mounting process.

[0006] In one embodiment, the outer side wall of the base is assembled with an L-shaped metal sheet, and two conductive pins are arranged on one side of the L-shaped metal sheet.

[0007] In one embodiment, the L-shaped metal sheet includes a main support portion arranged on an end face opposite to the end face of the base provided with the insertion hole, and a side connecting portion bent from one end of the main support portion, two conductive pins are arranged on the side connecting portion, a side wall of the side connecting portion forms the connecting sheet, the connecting sheet is connected to the patch on the bottom wall close to the side connecting portion, the main support portion is respectively provided with a locking piece and a positioning hole, the base is respectively provided with a lock hole for the locking piece to be locked therein and a positioning column for being inserted and positioned with the positioning hole.

[0008] In one embodiment, the end face of the base provided with the insertion hole is provided with a limiting step, and one side of the main supporting part abuts against the limiting step.

[0009] In one embodiment, the side connecting part has a positioning groove, and the end face of the base abutting against the side connecting part is provided with a positioning block embedded in the positioning groove.

[0010] In one embodiment, the bottom end of the base is provided with at least one guide column.

[0011] In one embodiment, the base is made of plastic and is formed by an integral injection molding process.

[0012] In one embodiment, the outer surface of the patch is coated with a tinning layer.

[0013] The power socket has the advantages that: the power socket is provided with two conductive pins on opposite sides of the base, the conductive pins are designed in an L shape and specifically include a connecting piece and a patch bent and connected to the connecting piece, the bottom end face of the patch is welded to a welding surface on the PCB through an SMT mounting process, the assembly can be conveniently completed, the production efficiency of the power socket is improved, in addition, the connecting piece is arranged to cross the bottom end face of the base, thus, the effective contact area between the patch and the welding surface of the PCB can be ensured, and the welding reliability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0015] Figure 1 FIG. 3 is a perspective structural schematic view of an optional embodiment of the power socket of the present application;

[0016] Figure 2 FIG. 4 is another perspective structural schematic view of an optional embodiment of the power socket of the present application;

[0017] Figure 3 FIG. 5 is a perspective structural schematic view of an L-shaped metal sheet of an optional embodiment of the power socket of the present application.

[0018] In the drawings, 1, base; 10, insertion hole; 13, lock hole; 15, positioning column; 16, limiting step; 17, positioning block; 18, guide column; 3, conductive pin; 31, connecting piece; 33, patch; 5, insertion column; 6, L-shaped metal sheet; 61, main supporting part; 611, locking piece; 613, positioning hole; 63, side connecting part; 630, positioning groove. DETAILED DESCRIPTION

[0019] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. The technical scheme of the utility model will be further described below in combination with the drawings of the embodiments of the utility model. The utility model is not limited to the following specific embodiments.

[0020] It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components. In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms 'upper', 'lower', 'front','rear', 'left', 'right', 'top' and 'bottom' is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing the position relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the patent. For ordinary skilled persons in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0021] In one embodiment, as shown in Figure 1 and Figure 2 A power socket, including a base 1 and a conductive pin 3, one end of the base 1 is provided with an insertion hole 10, the inner end hole wall of the insertion hole 10 is provided with an insertion column 5 assembled and threaded for the plug-in cooperation of an external power supply plug, the conductive pin 3 is provided with four, two of which are arranged on each of the opposite two side surfaces adjacent to the end surface of the base 1 provided with the insertion hole 10, the conductive pin 3 is L-shaped and includes a connecting piece 31 threaded out from the corresponding side surface of the base and extending beyond the bottom end surface of the base, and a patch 33 formed by bending and extending from the end of the connecting piece 31, the bottom end surface of the patch 33 is welded on the welding surface of the PCB by SMT mounting process.

[0022] Compared with the prior art, the power socket has at least the following advantages: the power socket is provided with two conductive pins 3 on the opposite sides of the base 1, and the conductive pins 3 are designed as L-shaped and specifically include a connecting piece 31 and a patch 33 bent and connected to the connecting piece 31, and the bottom end surface of the patch 33 is welded to the welding surface on the PCB through the SMT mounting process, so that the assembly can be conveniently completed, the production efficiency of the power socket is improved, and in addition, the connecting piece 31 is arranged to cross the bottom end surface of the base, so that the effective contact area between the patch 33 and the welding surface of the PCB is ensured, and the welding reliability is improved.

[0023] In one embodiment, as shown in Figures 1-3 The outer side wall of the base 1 is assembled with an L-shaped metal sheet 6, and one side of the L-shaped metal sheet 6 is provided with two conductive pins 3. In this embodiment, the two conductive pins 3 are integrated on the L-shaped metal sheet 6, and only the L-shaped metal sheet 6 needs to be installed on the outer side wall of the base 1 once, so that the two conductive pins 3 can be formed at the same time, the assembly steps are simplified, and the production efficiency is improved. When the conductive pins 3 need to be replaced or repaired, the L-shaped metal sheet 6 only needs to be disassembled. In specific implementation, the material of the L-shaped metal sheet 6 can be selected from metal copper material with good electrical conductivity, so as to ensure good electrical conductivity.

[0024] In one embodiment, as shown in Figures 1-3 The L-shaped metal sheet 6 includes a main support part 61 arranged on the end surface opposite to the end surface of the base 1 provided with the insertion hole 10 and a side connecting part 63 bent from one end of the main support part 61, two conductive pins 3 are arranged on the side connecting part 63, a connecting piece 31 is formed on the side wall of the side connecting part 63, the patch 33 is connected to the connecting piece 31 close to the bottom wall of the side connecting part 63, the main support part 61 is respectively provided with a locking piece 611 and a positioning hole 613, and the base 1 is respectively provided with a lock hole 13 for extruding and locking the locking piece 611 in the lock hole 13 and a positioning column 15 for inserting and positioning with the positioning hole 613. The L-shaped metal sheet 6 of this embodiment is specifically arranged as the main support part 61 and the side connecting part 63 provided with the two conductive pins 3, and the locking piece 611 and the positioning hole 613 are arranged on the main support part 61, the lock hole 13 and the positioning column 15 are arranged on the base 1, the locking piece 611 is a convex column with elastic deformation capacity, and the convex column and the lock hole 13 are in interference fit. In specific implementation, the main support part 61 is positioned by inserting the positioning hole 613 into the positioning column 15 on the base 1, and then the locking piece 611 is locked and fixed on the lock hole 13 on the base 1, so that the assembly of the L-shaped metal sheet 6 on the base 1 can be conveniently completed.

[0025] In one embodiment, as shown in Figures 1-3As shown, the end face of the base 1 provided with the jack 10 is provided with a limiting step 16, and one side of the main support part 61 abuts against the limiting step 16. The corresponding end face of the base 1 of the embodiment is also provided with a limiting step 16 for abutting against one side of the main support part 61, so that the main support part 61 can be quickly positioned at the corresponding assembly position of the base 1.

[0026] In one embodiment, as shown in the drawings, Figures 1-3 As shown, the side connecting part 63 is provided with a positioning groove 630, and the end face of the base 1 abutting against the side connecting part 63 is provided with a positioning block 17 embedded in the positioning groove 630. In the embodiment, the base 1 is provided with the positioning block 17, and the side connecting part 63 is provided with the positioning groove 630 matched with the positioning block 17, so that the assembly precision of the L-shaped metal sheet 6 can be further improved.

[0027] In one embodiment, as shown in the drawings, Figures 1-3 As shown, the bottom end of the base 1 is provided with at least one guide column 18. In the embodiment, the bottom end of the base 1 is provided with at least one guide column 18, which is matched and connected with the corresponding hole position on the PCB, so that the patch 33 of the conductive pin 3 can be correctly attached to the welding surface of the PCB.

[0028] In one embodiment, as shown in the drawings, Figure 1 As shown, the base is made of plastic and is formed by an integral injection molding process. In the embodiment, the base 1 is made of high-strength engineering plastic PA9T and is formed by an integral injection molding process, so that the base 1 has good mechanical properties and impact resistance, is convenient to select and easy to process, and has good reliability.

[0029] In one embodiment, as shown in the drawings, Figure 1 As shown, the outer surface of the patch 33 is coated with a tin plating layer. In the embodiment, the outer surface of the patch 33 is coated with a tin plating layer, so that the welding reliability of the patch 33 can be improved.

[0030] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not a limitation on the embodiments of the utility model. For ordinary skilled persons in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments are not enumerated. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A power outlet, characterized by The utility model provides a kind of electric plug, including base and conductive pin, the end of the base is provided with insertion hole, the inner end hole wall of the insertion hole is equipped with the insertion post that is inserted with external power supply plug, the conductive pin is provided with 4, and two conductive pins are arranged on the opposite side surface of the end surface of the base provided with insertion hole, and the conductive pin is L-shaped, including the connecting sheet that extends from the corresponding side surface of the base and crosses the bottom end face of the base, and the patch that is bent and extends from the end of the connecting sheet, and the bottom end face of the patch is welded on the welding surface of PCB by SMT mounting process.

2. The power outlet of claim 1, wherein, The outer side wall of the base is equipped with L-shaped metal sheet, and one side of the L-shaped metal sheet is provided with two conductive pins.

3. The power outlet of claim 2, wherein, The L-shaped metal sheet includes main support part on the end surface opposite to the end surface of the base provided with insertion hole and side connecting part bent from one end of the main support part, two conductive pins are arranged on the side connecting part, the side wall of the side connecting part is formed with the connecting sheet, the patch is connected to the connecting sheet on the bottom wall close to the side connecting part, the main support part is respectively provided with elastic locking sheet and positioning hole, the base is respectively provided with locking hole for extruding and locking the locking sheet inside and positioning column for inserting and positioning with the positioning hole.

4. The power outlet of claim 3, wherein, The end surface of the base provided with insertion hole is provided with limiting step, and one side of the main support part abuts against the limiting step.

5. The power outlet of claim 3, wherein, The side connecting part has positioning groove, and the end surface of the base abutting against the side connecting part is provided with positioning block, and the positioning block is embedded in the positioning groove.

6. The power outlet of claim 1, wherein, The bottom end of the base is provided with at least one guide column.

7. The power outlet of claim 1, wherein, The base is made of plastic and is processed by one-piece injection molding process.

8. The power outlet of claim 1, wherein, The outer surface of the patch is coated with a tin plating layer.

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