CN217009617U

CN217009617U - Fill electric pile with hot plug heavy current connector

Info

Publication number: CN217009617U
Application number: CN202122251461.4U
Authority: CN
Inventors: 李健; 尤海飞; 徐益飞; 刘伟华; 刘奋
Original assignee: Weifa Electronic Technology Changzhou Co ltd
Current assignee: Weifa Electronic Technology Changzhou Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-07-19
Anticipated expiration: 2031-09-16

Abstract

The utility model provides a hot-pluggable high-current connector for a charging pile, which comprises a terminal, wherein the terminal comprises a main body part and a contact part, the contact part comprises two contact spring sheet groups arranged in parallel at the front part of the main body part, an inserting channel is arranged between the two contact spring sheet groups, and the main body part and the contact part are formed by integrally bending plates. The hot-pluggable large-current connector for the charging pile is formed by integrally bending the main body part, the contact part and the two PCB interfaces, and compared with a traditional split type terminal, the hot-pluggable large-current connector is better in stability, and cannot deviate when the connector is plugged or pulled, so that poor electrical contact is caused.

Description

Fill electric pile with hot plug heavy current connector

Technical Field

The utility model relates to the technical field of large-current connectors, in particular to a hot-pluggable large-current connector for a charging pile.

Background

The high-current connector is widely applied to the fields of electric automobiles, electric forklifts, UPS, universal power supplies, medical equipment, solar energy, new energy and the like. The international advancement of the high-current connector in the aspects of structural design and material use enables the connector to show outstanding electrical performance, and the reliability of an electrical connection system cannot be achieved by the traditional connection mode.

In a high-current environment, safety is used as an important standard for measuring the quality of a connector product, and the offset resistance is used as an important content in the safety of the connector, so that the safety and the reliability of the connector are important.

In the prior art, the large-current connector terminal adopts two contact spring sheet groups which are arranged in a split manner, and the defects are that: the stability during plugging is not high, namely the contact spring sheet group can deviate during plugging of the large-current connector, so that various power utilization hidden troubles caused by poor contact postures are formed.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: in order to overcome the defect that two separately arranged contact spring sheet groups can deviate when a large-current connector is plugged in and pulled out in the prior art, the utility model provides a hot-pluggable large-current connector for a charging pile.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a fill electric pile with hot plug heavy current connector, includes the terminal, the terminal includes main part and contact site, the contact site is including locating side by side two contact shell fragment groups in the front portion of main part, two be equipped with the grafting passageway between the contact shell fragment group, main part and contact site are formed by panel an organic whole bending.

The main part and the contact part of terminal are formed by bending the panel body, and stable in structure, the two contact spring sheet sets can not deviate when in plugging, and the power utilization safety is ensured.

The contact spring group extends to the outer side of the U-shaped middle frame from an opening of the U-shaped middle frame, and two limiting parts used for limiting the width of the plug-in channel are symmetrically arranged at the opening of the U-shaped middle frame.

Although the terminal has certain elasticity, the two contact spring sheet groups are spread due to repeated plugging, the connector is poor in contact, and the limiting part is used for limiting the width of the plugging channel.

Furthermore, in order to fix the terminal in the U-shaped middle frame, the contact elastic sheet group comprises a row of elastic sheets arranged at intervals, one or more first limiting blocks are arranged on the limiting part, the first limiting blocks are arranged between any two adjacent elastic sheets, second limiting blocks matched with the first limiting blocks are arranged on the elastic sheets, and the second limiting blocks are arranged on the inner side of the middle frame. The first limiting block on the middle frame is matched with the second limiting block on the terminal to limit the terminal in the middle frame.

The plug-in type socket further comprises a shell, wherein a containing cavity is arranged in the shell, the terminal and the U-shaped middle frame are arranged in the containing cavity, and a plug-in port matched with the plug-in channel is arranged at the front part of the shell. The terminal and the middle frame are arranged in the accommodating cavity, and the shell plays a role in protecting the terminal and the middle frame; the plug interface arranged on the shell plays a role of avoiding, and is convenient for the plug connection of the connector.

Furthermore, the rear part of the accommodating cavity is provided with a mounting opening of the terminal and the U-shaped middle frame, and the periphery of the mounting opening is provided with a plurality of buckles for fixing the terminal or the U-shaped middle frame. After the terminal is connected with the U-shaped middle frame, the terminal and the U-shaped middle frame are installed into the shell from the installation opening, and the buckle is used for fixing the terminal and the U-shaped middle frame in the shell.

Furthermore, two PCB interfaces are symmetrically arranged on the side wall of the main body part, and the PCB interfaces penetrate through the U-shaped middle frame and the shell and extend to the outer side of the shell. The two PCB interfaces are connected and conducted with the PCB in a welding or bolt connection mode.

Furthermore, in order to guarantee terminal stability, the contact spring sheet group can deviate when preventing the large-current connector from being plugged, the main body part, the contact part and the two PCB interfaces are formed by integrally bending plates.

The utility model has the beneficial effects that: the hot-pluggable large-current connector for the charging pile is formed by integrally bending the main body part, the contact part and the two PCB interfaces, and compared with the traditional split type terminal, the stability is better, and the connector cannot deviate during plugging and unplugging, so that poor electrical contact is caused.

Drawings

The utility model is further illustrated by the following examples in conjunction with the drawings.

FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

FIG. 2 is an enlarged schematic view of A of FIG. 1;

FIG. 3 is a schematic view of the structure of the terminal;

FIG. 4 is a schematic structural view of a U-shaped intermediate frame;

FIG. 5 is a schematic structural view of the housing;

FIG. 6 is a schematic view of the connection of the terminal to the U-shaped intermediate frame;

fig. 7 is an enlarged schematic view of B in fig. 6.

In the figure: 1. the terminal, 1.1, the main part, 1.2, contact shell fragment group, 1.2.1, shell fragment, 1.3, the passageway of pegging graft, 1.4, the PCB interface, 1.5, the second stopper, 2, the middle frame of U-shaped, 2.1, spacing portion, 2.2, first stopper, 3, shell, 3.1, hold the chamber, 3.2, interface, 3.3, installing port, 3.4, buckle.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

As shown in fig. 1 to 7, the hot-pluggable high-current connector for the charging pile comprises a terminal 1, wherein the terminal 1 comprises a main body portion 1.1, a contact portion and two PCB interfaces 1.4, the contact portion comprises two contact spring sheet sets 1.2 arranged in parallel at the front portion of the main body portion 1.1, an insertion channel 1.3 is arranged between the two contact spring sheet sets 1.2, the two PCB interfaces 1.4 are symmetrically arranged on the side wall of the main body portion 1.1, and the main body portion 1.1, the contact portion and the two PCB interfaces 1.4 are formed by integrally bending plates.

Still include frame 2 in the middle of the U-shaped, main part 1.1 is located in frame 2 in the middle of the U-shaped, main part 1.1 rear portion supports to be located on the U-shaped middleware diapire, two contact spring piece group 1.2 extends to from 2 openings on the frame in the middle of the U-shaped 2 outsides of frame in the middle of the U-shaped, 2 openings department symmetries of frame are equipped with two spacing portions 2.1 that are used for restricting grafting passageway 1.3 width in the middle of the U-shaped.

Contact shell fragment group 1.2 includes shell fragment 1.2.1 that one row of interval set up, be equipped with one or more first stopper 2.2 on spacing portion 2.1, first stopper 2.2 is located between arbitrary two adjacent shell fragments 1.2.1, all be equipped with on all shell fragments 1.2.1 with first stopper 2.2 complex second stopper 1.5, second stopper 1.5 is located intermediate shelf is inboard.

The socket comprises a housing 3, a containing cavity 3.1 is arranged in the housing 3, a terminal 1 and a U-shaped middle frame 2 are arranged in the containing cavity 3.1, and a plug-in port 3.2 matched with a plug-in channel 1.3 is arranged at the front part of the housing 3.

The rear portion of the accommodating cavity 3.1 is provided with a mounting opening 3.3 of the terminal 1 and the U-shaped middle frame 2, and the periphery of the mounting opening 3.3 is provided with a plurality of buckles 3.4 for fixing the terminal 1.

The PCB interface 1.4 extends through the U-shaped intermediate frame 2 and the housing 3 to the outside of the housing 3.

The installation process comprises the following steps:

firstly, mounting a terminal 1 and a U-shaped middle frame 2, breaking an opening of the U-shaped middle frame 2 towards two sides, enlarging the opening to conveniently mount the terminal 1 into the U-shaped middle frame 2, abutting the rear part of a main body part 1.1 of the terminal 1 to the bottom of the U-shaped middle frame 2, arranging a contact spring sheet group 1.2 at the opening of the U-shaped middle frame 2, abutting a first limiting block 2.2 and a second limiting block 1.5, arranging the second limiting block 1.5 at the inner side of the middle frame, manually shaking the terminal 1 and the U-shaped middle frame 2, and fixing the terminal 1 and the U-shaped middle frame 2 relatively;

then, the terminal 1 and the U-shaped middle frame 2 are inserted into the accommodating cavity 3.1 from the mounting opening 3.3 at the rear part of the shell 3, after the terminal 1 and the U-shaped middle frame 2 are completely plugged into the accommodating cavity 3.1, the buckle 3.4 buckles the rear part of the main body part 1.1, and the terminal 1 and the U-shaped middle frame 2 are fixed in the shell 3 and cannot shake.

Directions and references (e.g., up, down, left, right, etc.) may be used in the present disclosure only to aid in the description of features in the figures. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.

In light of the foregoing description of preferred embodiments in accordance with the utility model, it is to be understood that numerous changes and modifications may be made by those skilled in the art without departing from the scope of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a fill electric pile with hot plug heavy current connector which characterized in that: including terminal (1), terminal (1) includes main part (1.1) and contact site, the contact site is including locating side by side main part (1.1) anterior two contact spring group (1.2), two be equipped with grafting passageway (1.3) between contact spring group (1.2), main part (1.1) and contact site are bent by panel an organic whole and are formed.

2. The hot-pluggable high-current connector for the charging pile according to claim 1, wherein: frame (2) in the middle of still including the U-shaped, main part (1.1) are located in frame (2) in the middle of the U-shaped, main part (1.1) rear portion supports to be located on the U-shaped middleware diapire, two contact spring piece group (1.2) extend to from frame (2) opening department in the middle of the U-shaped frame (2) outside in the middle of the U-shaped, frame (2) opening part symmetry in the middle of the U-shaped is equipped with two spacing portions (2.1) that are used for restricting grafting passageway (1.3) width.

3. The hot-pluggable high-current connector for the charging pile according to claim 2, wherein: the contact elastic sheet set (1.2) comprises one row of elastic sheets (1.2.1) arranged at intervals, one or more first limiting blocks (2.2) are arranged on the limiting part (2.1), the first limiting blocks (2.2) are arranged between any two adjacent elastic sheets (1.2.1), second limiting blocks (1.5) matched with the first limiting blocks (2.2) are arranged on the elastic sheets (1.2.1), and the second limiting blocks (1.5) are arranged on the middle frame.

4. The hot-pluggable high-current connector for the charging pile according to claim 3, wherein: the plug-in type terminal is characterized by further comprising a shell (3), wherein a containing cavity (3.1) is formed in the shell (3), the terminal (1) and the U-shaped middle frame (2) are arranged in the containing cavity (3.1), and a plug-in port (3.2) matched with the plug-in channel (1.3) is formed in the front portion of the shell (3).

5. The hot-pluggable high-current connector for the charging pile according to claim 4, wherein: the rear part of the accommodating cavity (3.1) is provided with a mounting opening (3.3) of the terminal (1) and the U-shaped middle frame (2), and the periphery of the mounting opening (3.3) is provided with a plurality of buckles (3.4) used for fixing the terminal (1) or the U-shaped middle frame (2).

6. The hot-pluggable high-current connector for a charging pile according to claim 3 or 4, wherein: two PCB interfaces (1.4) are symmetrically arranged on the side wall of the main body part (1.1), and the PCB interfaces (1.4) penetrate through the U-shaped middle frame (2) and the shell (3) and extend to the outer side of the shell (3).

7. The hot-pluggable high-current connector for the charging pile according to claim 6, wherein: the main body part (1.1), the contact part and the two PCB interfaces (1.4) are formed by integrally bending plates.