CN221102520U

CN221102520U - Electric connector base

Info

Publication number: CN221102520U
Application number: CN202322408947.3U
Authority: CN
Inventors: 梁裕生
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-09-05
Filing date: 2023-09-05
Publication date: 2024-06-07
Anticipated expiration: 2033-09-05

Abstract

The utility model discloses an electric connector base, which comprises a base shell, an elastic sheet and a PCB circuit board, wherein the elastic sheet is arranged on the base shell; the base shell is L-shaped, and at least two base shells are oppositely arranged; at least two spring plates are arranged, and part of each spring plate is arranged in the base shell; the PCB circuit board is connected with the lower end of the base shell. The electric connector base adopts a split or integrated design. The shell fragment adopts special-shaped shape, and shell fragment cooperation base casing and PCB circuit board use, can utilize the elasticity effect of two bending parts about the base when the positive and negative pole that charges is inserted to the earphone tail stopper, both can ensure the positive and negative pole that charges of earphone tail stopper and be difficult for not hard up, can ensure about two shell fragments and earphone tail stopper charge positive and negative pole and the circuit intercommunication of PCB circuit board again, realize incessantly charging. The base shells can be mutually changed, can rotate different angles to be connected, charge different electronic products, and expand the application field and the application mode of the electric connector base.

Description

Electric connector base

Technical Field

The present disclosure relates to electrical connectors, and particularly to a base for an electrical connector.

Background

From the mode of wired charging, the wireless mode of charging has been developed, people's experience effect has been improved greatly. Currently, more and more electronic products are charged by wireless charging, such as bluetooth headset.

Bluetooth headset among the prior art sets up the wireless contact portion that is used for wireless contact charging at its tail stopper portion generally to connect wireless contact portion in inside PCB board, thereby control its wireless charging by the PCB board through wireless contact portion. However, in the charging mode, the wireless contact part is in poor contact or loose contact with the elastic sheet of the base, so that the wireless contact part is unstable and is easy to loosen, and the earphone is interrupted in charging; or the elastic sheet of the base is in poor contact or loose contact with the PCB of the base, and the base is not communicated with the circuit of the PCB of the base, so that the elastic sheet cannot be powered, and further the earphone is interrupted in charging.

Disclosure of utility model

The present utility model provides an electrical connector base that solves one or more of the problems of the prior art.

The electrical connector base of the present utility model includes:

the base shell, the spring plate and the PCB circuit board;

the base shell is L-shaped, and at least two base shells are oppositely arranged;

at least two spring plates are arranged, and part of each spring plate is arranged in the base shell;

the PCB circuit board is connected with the lower end of the base shell.

In some embodiments, the longitudinal direction of the base housing is provided with a groove for accommodating the spring plate, and the transverse direction of the base housing is provided with a through groove.

In some embodiments, the spring comprises a vertical portion and a bent portion;

the vertical part is arranged in the groove, and the tail part of the vertical part extends out of the through groove and is electrically connected with the PCB;

The bending part is exposed out of the base shell, and the head of the bending part extends into the through groove.

In some embodiments, the lower end of the base shell is provided with a pin slot, and the metal pins pass through the pin slot and are fixedly connected with the PCB circuit board.

In some embodiments, a positioning column is arranged at the bottom of the base shell, a positioning hole corresponding to the positioning column is arranged on the contact surface of the PCB circuit board and the base shell, and the positioning column is clamped in the positioning hole.

In some embodiments, the bend is provided with a protrusion, which is remote from the longitudinal direction of the base housing.

In some embodiments, the protrusions of the two folds are disposed opposite each other.

In some embodiments, the base housing is a split or unitary structure, the split structure being a combination of at least two base housings, the unitary structure being that the at least two base housings share a housing base.

Compared with the prior art, the electric connector base is mainly of a split type or integrated structure design, and the base shell of the electric connector base can be split or combined into a whole. The shell fragment adopts special-shaped shape structure, and special-shaped shell fragment cooperation base casing and PCB circuit board use, can utilize the elasticity effect of the bending portion of base left and right sides two when the positive and negative poles of earphone tail plug charge are inserted, both can ensure the positive and negative pole of earphone tail plug charge insert stability and be difficult for not hard up, can ensure about two special-shaped shell fragments and earphone tail plug charge positive and negative poles and PCB circuit board's circuit intercommunication again, realize incessantly charging. Simple structure, it is convenient to use, and the base casing can alternate each other moreover, can rotate different angles and connect, can charge to different electronic products, has improved the application of electric connector base, has expanded the use of electric connector base.

Drawings

FIG. 1 is a schematic view of an electrical connector base of the present utility model;

FIG. 2 is a schematic view of the combined structure of the base housing of the present utility model;

FIG. 3 is a schematic view of a combined structure of the base housing according to the present utility model;

FIG. 4 is a schematic diagram of a connection structure between a base housing and a spring plate according to the present utility model;

FIG. 5 is a schematic structural view of another embodiment of the connection between the base housing and the spring plate according to the present utility model;

FIG. 6 is a schematic structural view of a spring plate according to the present utility model;

FIG. 7 is a schematic structural diagram of another embodiment of a spring plate according to the present utility model;

FIG. 8 is a schematic view of an electrical connector base and a tail plug of an earphone according to the present utility model;

FIG. 9 is a schematic view of a third embodiment of a base housing of the present utility model;

FIG. 10 is a schematic view of a fourth embodiment of a base housing of the present utility model;

FIG. 11 is a schematic view of a fifth embodiment of a base housing of the present utility model;

FIG. 12 is a schematic view showing a sixth combination of the base housing according to the present utility model;

FIG. 13 is a schematic view of a seventh embodiment of a base housing of the present utility model;

FIG. 14 is a schematic view of a base housing according to an eighth embodiment of the present utility model;

fig. 15 is a schematic view of a base housing according to a ninth embodiment of the present utility model.

The reference numerals in the drawings indicate: the base shell 1, shell fragment 2, recess 3, participate in groove 4, lead to groove 5, PCB circuit board 6, metal participate in 7, reference column 8, earphone tail stopper charges positive and negative pole 9, vertical portion 21, bending portion 22, afterbody, 23, head 24, protruding 25.

Detailed Description

In order to facilitate understanding of the utility model by those skilled in the art, the utility model will be further described with reference to the accompanying drawings. It should be understood that the detailed description is presented by way of illustration only and not limitation.

Fig. 1 to 7 schematically show an electrical connector base according to the present utility model.

As shown in fig. 1 to 7, the electrical connector base of the present utility model includes a base housing 1, a spring plate 2 and a PCB circuit board 6. The base shell 1 is L-shaped, and at least two base shells 1 are oppositely arranged, namely L-shaped openings are opposite; at least two spring plates 2 are arranged, and part of each spring plate 2 is arranged in the base shell 1; in this embodiment, two base housings 1 and spring plates 2 are respectively adopted; the PCB circuit board 6 is connected with the lower end of the base shell 1. A groove 3 for accommodating the spring plate 2 is formed in the longitudinal direction of the base housing 1, and a through groove 5 is formed in the transverse direction of the base housing 1. The spring plate 2 comprises a vertical part 21 and a bending part 22; the vertical part 21 is arranged in the groove 3, and the tail part 23 of the vertical part 21 extends out of the through groove 5 and is electrically connected with the PCB 6; the bending part 22 is exposed outside the base shell 1, and the head 24 of the bending part 22 extends into the through groove 5. The PCB 6 is electrically connected with the positive pole and the negative pole of the external power supply respectively. The through groove 5 is provided for reserving a movement space for the head 24 of the bending part 22, when the charging anode and cathode 9 of the earphone tail plug is put into or taken out of the base shell 1, the elastic sheet 2 can make a shrinking or stretching movement, and at the moment, the head 24 of the bending part 22 makes a reciprocating movement in the through groove 5. The shell fragment 2 adopts special-shaped shape structure, and shell fragment 2 cooperation base casing 1 and PCB circuit board 6 use, and earphone tail stopper charges can utilize the elasticity effect of the portion 22 of bending of base about two when inserting, both can ensure that earphone tail stopper charges positive and negative pole 9 insert stability and be difficult for not hard up, can ensure about two shell fragments 2 and earphone tail stopper charge positive and negative pole 9 and the circuit intercommunication of PCB circuit board 6 again, realizes incessantly charging. Simple structure and convenient use.

The bottom of the base shell 1 is provided with a positioning column 8, the surface of the PCB circuit board 6 contacted with the base shell 1 is provided with a positioning hole corresponding to the positioning column 8, and the positioning column 8 is clamped in the positioning hole. Through being equipped with reference column 8 in base casing 1 bottom, can carry out the top tightly to PCB circuit board 6, make the upper surface of PCB circuit board 6 laminate with the bottom of base casing 1 all the time, avoided PCB circuit board 6 to appear the slope and with the phenomenon that shell fragment 2 breaks away from, can not appear the outage in the charging process and lead to the unable charging of earphone or the not inseparable condition of contact. The base shell 1 and the PCB 6 can be conveniently assembled in the mode, and the assembly is convenient and simple and has good assembly effect.

The lower end of the base shell 1 is provided with a pin slot 4, and a metal pin 7 passes through the pin slot 4 and is fixedly connected with a PCB circuit board 6. The metal pins 7 are matched with the base shell 1 to be used together, the metal pins 7 penetrate through the pin grooves 4 and then are fixedly connected with the PCB circuit board 6, so that the upper surface of the PCB circuit board 6 is always attached to the bottom of the base shell 1, the base shell 1 and the PCB circuit board 6 can be stably connected, the connection effect is good, and the structure is simple to operate. In this embodiment, the fixed connection between the metal pins 7 and the PCB 6 may be that the metal pins 7 are soldered on the PCB 6; or fixing the metal pins 7 on the PCB 6 by screws; or the metal pins 7 penetrate into the reserved holes of the PCB 6, and then the metal pins 7 are fixed on the PCB 6; the fixing manner of the metal pins 7 and the PCB 6 may be various, and will not be described here.

As shown in fig. 1 and 6 to 8, a protrusion 25 is provided on the bent portion 22, the protrusion 25 is away from the longitudinal direction of the base housing 1, i.e., the protrusion 25 protrudes outward in the longitudinal direction of the base housing 1, the bent portion 22 forms an inverted splayed shape, and the distance between the two protrusions 25 is shortest. When the earphone tail plug charging anode and cathode 9 is inserted into the base, the protrusion 25 clamps the earphone tail plug charging anode and cathode 9 and keeps close contact with the earphone tail plug charging anode and cathode 9 all the time under the elastic action of the bending part 22. And a good charging process is formed, and poor contact or interruption of charging can not occur.

The bulges 25 of the two bending parts 22 are oppositely arranged and are respectively arranged on the two base shells 1, the bending parts 22 form two opposite inverted splayed shapes, the lug 25 on the bending parts 22 is used for always clamping the charging anode and cathode 9 of the tail plug of the earphone, so that the earphone can be ensured to be continuously charged, and the charging interruption cannot be caused in the charging process.

As shown in fig. 1, 3 and 9 to 15, the base housing 1 is of a split or integral structure. As shown in fig. 1 and 9-14, the split structure is that at least two base shells 1 are combined for use, and then the lower ends of the two base shells 1 are connected with a PCB circuit board 6; as shown in fig. 3 and 15, the integrated structure is that at least two base housings 1 share a housing base, and then the lower end of the housing base is connected with the PCB circuit board 6. The base shell 1 can be detached or combined into a whole; with the two protrusions 25 secured opposite each other, the base housing 1 can be changed to each other, rotated by different angles to be connected, and used in any combination. The charging device can charge different electronic products, so that the use field of the electric connector base is improved, and the use mode of the electric connector base is expanded.

When the electric connector base is used, firstly, the elastic sheets 2 are respectively inserted into the left base shell 1 and the right base shell 1, secondly, the metal pins 7 are sequentially inserted into the pin grooves 4, and finally, the metal pins are fixedly connected with the PCB circuit board 6. At this time, the PCB circuit board 6 and the shell fragment 2 are in contact laminating, when the operation of charging is needed, the earphone tail plug positive and negative electrode 9 that charges can enter into the base shell 1 and with the shell fragment 2 inconsistent and realize the chucking, and then can realize the electricity through shell fragment 2 and PCB circuit board 6 and be connected, then just can realize the demand of charging to can not lead to the interruption of charging because of the contact failure in the charging process.

The electric connector base adopts a split or integrated structural design, and the base shell 1 of the electric connector base can be split or combined into a whole. The shell fragment 2 adopts special-shaped shape structure, and special-shaped shell fragment 2 cooperation base casing 1 and PCB circuit board 6 use, can utilize the elasticity effect of the portion 22 of bending of base about two when the plug of earphone charges 9 inserts, both can ensure that the plug of earphone charges positive negative pole 9 insert stability and be difficult for not hard up, can ensure about the circuit intercommunication that two special-shaped shell fragments 2 and plug of earphone charge positive negative pole 9 and PCB circuit board 6 again, realizes incessantly charging. Simple structure, it is convenient to use, and base casing 1 can alternate each other moreover, can rotate different angles and connect, can charge to different electronic products, has improved the application of electric connector base, has expanded the use of electric connector base.

Furthermore, unless specifically stated otherwise, the terms "first," "second," "third," etc. in the description are used for distinguishing between various components, elements, steps, etc. in the description, and not for indicating the logical or sequential relationship between various components, elements, steps, etc. in this description, the terms "upper," "lower," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "front," "rear," etc. refer to an orientation or positional relationship based on that shown in the drawings, for convenience of description and simplicity of description only, and do not necessarily indicate or imply that the apparatus or element being referred to has a particular orientation, is constructed and operated in a particular orientation, and therefore, is not to be construed as limiting the utility model.

What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.

Claims

1. An electrical connector base, comprising:

The base shell (1), the spring piece (2) and the PCB circuit board (6);

It is characterized in that the method comprises the steps of,

The base shell (1) is L-shaped, and at least two base shells (1) are oppositely arranged;

At least two elastic sheets (2) are arranged, and part of each elastic sheet (2) is arranged in the base shell (1);

The PCB circuit board (6) is connected with the lower end of the base shell (1);

the lower end of the base shell (1) is provided with a pin slot (4), and a metal pin (7) passes through the pin slot (4)) and is fixedly connected with the PCB (6).

2. The electrical connector base of claim 1, wherein,

The base shell (1) is provided with a groove (3) for accommodating the elastic sheet (2) in the longitudinal direction, and the base shell (1) is provided with a through groove (5) in the transverse direction.

3. The electrical connector base of claim 2, wherein,

The elastic sheet (2) comprises a vertical part (21) and a bending part (22);

The vertical part (21) is arranged in the groove (3), and the tail part (23) of the vertical part (21) extends out of the through groove (5) and is electrically connected with the PCB (6);

The bending part (22) is exposed out of the base shell (1), and the head part (24) of the bending part (22) stretches into the through groove (5).

4. The electrical connector base of claim 1, wherein,

The PCB positioning device is characterized in that a positioning column (8) is arranged at the bottom of the base shell (1), a positioning hole corresponding to the positioning column (8) is formed in the surface, in contact with the base shell (1), of the PCB (6), and the positioning column (8) is clamped in the positioning hole.

5. The electrical connector base of claim 3, wherein,

The bending part (22) is provided with a bulge (25), and the bulge (25) is far away from the longitudinal direction of the base shell (1).

6. The electrical connector base of claim 5, wherein,

The bulges (25) of the two bending parts (22) are oppositely arranged.

7. The electrical connector base of any one of claims 1-6, wherein,

The base shell (1) is of a split type or an integral type structure, the split type structure is formed by combining at least two base shells (1), and the integral type structure is formed by sharing a shell base by at least two base shells (1).