CN220122155U

CN220122155U - Charging socket connector

Info

Publication number: CN220122155U
Application number: CN202320790191.0U
Authority: CN
Inventors: 古乐乐; 郝川川; 鲍红力; 李晨光; 王伟
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: China Aviation Optical Electrical Technology Co Ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-12-01
Anticipated expiration: 2033-04-11

Abstract

The utility model discloses a charging socket connector which comprises a plurality of contact pieces and an insulator, wherein each contact piece comprises a pin connecting section and a signal connecting section which are used for opposite pins from front to back, and the pin connecting section and the signal connecting section are of an integrated structure. The insulator is formed by integral injection molding, and a plurality of contact pieces are all installed in the insulator. Compared with the prior art that a metal shell is adopted for supporting, the contact is supported through the insulator, so that the structural complexity of the contact is reduced, and finally the volume and the cost are reduced.

Description

Charging socket connector

Technical Field

The utility model relates to the technical field of connectors, in particular to a charging socket connector.

Background

Currently, electric vehicle charging sockets use Φ3, Φ6 jacks as an integral part of signal and power connections. In the existing charging socket connector, the insulator and the contact are separately processed, then the insulator and the contact are assembled together, and the contact is fixed by means of a metal shell. The finished product has high processing time, a plurality of raw materials, and the structure is complex when the metal shell is used for supporting and fixing, the connector has large volume and high cost. The overall cost of the charging jack connector is too high, and the charging jack connector has become a bottleneck which restricts the reduction of the jack cost.

Disclosure of Invention

Accordingly, the present utility model is directed to a charging socket connector, in which the contact member is supported by the insulator, and the connector has a simpler structure, a smaller volume and a lower cost.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a charging receptacle connector, comprising:

each contact piece comprises a contact pin connecting section and a signal connecting section from front to back, and the contact pin connecting section and the signal connecting section are of an integrated structure;

and the insulator is formed by integral injection molding, and a plurality of contact pieces are all installed in the insulator.

Preferably, the insulator and each contact are fixed by injection molding, or each contact is installed in the insulator after the injection molding of the insulator is completed.

Preferably, before injection molding, the insulator firstly places each contact element into a mold for axial positioning, seals two ends of the pin connecting section, and then fixes the insulator and the contact element through injection molding.

Preferably, the signal connection section comprises a connection area connected with the contact pin connection section and a functional area exposed outside the insulator, and the insulator is provided with a jack matched with the contact pin connection section of the contact element.

As a preferable scheme, the signal connection section is in a linear type, and the jack and the functional area of the signal connection section are concentrically arranged.

As a preferable scheme, the signal connection section is bent, and the jack and the functional area of the signal connection section are not concentrically arranged.

As a preferred scheme, the contact pin connecting section is an integrated structure formed by coiling after stamping forming of a conductive plate, the contact pin connecting section comprises annular connecting sections and annular transition sections at two ends, an elastic contact section is arranged between the annular connecting sections and the annular transition sections, the middle part of the elastic contact section is elastically retracted, and one end of the signal connecting section is connected with the annular transition sections.

Preferably, the elastic contact section is a round structure surrounded by a plurality of elastic wires.

Preferably, the elastic contact section is a section of arc-shaped structure formed by surrounding a plurality of elastic wires.

Preferably, the pin connection section comprises a sleeve formed by rolling and an elastic contact body arranged in the sleeve, and one end of the signal connection section is connected with the rear end face of the sleeve.

As a preferable scheme, a limiting ring groove is arranged on the wall of the inner hole of the sleeve, and the elastic contact body is arranged in the limiting ring groove.

Preferably, the elastic contact body is a crown spring, a torsion spring, a rotary spring or a spring claw.

As a preferable scheme, the signal connection section is of a solid structure, and the signal connection section can be connected with a circuit board or a signal plug-in unit;

or;

the signal connection section is of a hollow structure, and the signal connection section can be in pressure connection with the lead.

The beneficial effects are that:

as described above, the charging socket connector of the present utility model has the following advantageous effects:

1) The connector comprises a plurality of contact pieces and an insulator, wherein before injection molding, the insulator is used for placing all the produced contact pieces into a mold for axial positioning, sealing the two ends of a pin connecting section, and fixing the insulator and the contact pieces through injection molding. Compared with the prior art that a metal shell is adopted for supporting, the contact is supported through the insulator, so that the structural complexity of the contact is reduced, and finally the volume and the cost are reduced.

2) The jack and the functional area of the signal connection section can be arranged concentrically or not, can be selected according to actual needs, reduces the arrangement difficulty of the signal pins in the connector, and is convenient for realizing signal transfer.

3) The insulator is directly formed on the signal connection section, so that the structure is firmer, and cracking in the installation process can be avoided.

4) The contact pin connecting section is rolled, and the insulator is directly injection molded, so that the assembly links are correspondingly reduced, and the cost of the connector is reduced.

5) When the contact pin connecting section is integrally formed, the elastic contact section can be of a circular structure formed by surrounding a plurality of elastic wires (namely, the opposite contact pin is contacted with the whole circumference of the elastic contact section), or of a circular arc structure formed by surrounding a plurality of elastic wires (namely, the opposite contact pin is contacted with the part of the circumference of the elastic contact section), so that the design diversification of the elastic contact section can be realized.

6) When the contact pin connecting section is rolled into the sleeve, and then the elastic contact body is arranged in the sleeve, the processing difficulty of the contact pin connecting section can be reduced.

The present utility model will be described in further detail with reference to the drawings of the embodiments and the specific embodiments.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will briefly explain the embodiments or the drawings needed in the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present utility model and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a connector according to the present utility model.

Fig. 2 is a second schematic structural view of the connector of the present utility model.

Fig. 3 is a front view of one of the connectors.

Fig. 4 is a cross-sectional view at A-A in fig. 3.

Fig. 5 is an enlarged view at I in fig. 4.

Fig. 6 is a schematic view of one of the contacts.

Fig. 7 is a front view of another connector.

Fig. 8 is a cross-sectional view at A-A in fig. 7.

Fig. 9 is a schematic view of another contact.

Fig. 10 is a schematic structural view of a contact with rounded corners at the bends.

Fig. 11 is a schematic structural view of a contact including an elastic contact body.

The graphic marks comprise 1, insulators, 11, jacks, 2, contacts, 21, pin connection sections, 211, annular connection sections, 212, elastic contact sections, 213, annular transition sections, 22, signal connection sections, 221, connection areas, 222, functional areas, 3, elastic contacts, 4 and sleeves.

Detailed Description

In the description of the present utility model, it should be understood that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in fig. 1, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present utility model, "front end" refers to the insertion end of the insertion hole 11 of the connector, and "rear end" and "tip" refer to the signal connection end of the connector, and "front end face" refers to a side surface facing the insertion end of the pin, and "rear end face" refers to a side surface facing the signal connection end.

The utility model discloses a charging socket connector, please refer to fig. 1 and 2, the connector comprises a plurality of contact pieces 2 and an insulator 1, each contact piece 2 comprises a pin connecting section 21 and a signal connecting section 22 for opposite pins from front to back, the pin connecting section 21 and the signal connecting section 22 are of an integrated structure, when the signal connecting section 22 is of a solid structure, the signal connecting section 22 can be connected with a circuit board or a signal plug-in unit; when the signal connection section 22 is of a hollow structure, the signal connection section 22 can be in pressure connection with a wire. The insulator 1 is formed by integral injection molding, the plurality of contact pieces 2 are all installed in the insulator 1, the insulator 1 and each contact piece 2 are fixed by injection molding or each contact piece 2 is strongly installed in the insulator 1 after the injection molding of the insulator 1 is finished, the contact pieces 2 can be supported by the insulator 1, and the elastic contact with the opposite contact pins can be realized.

In detail, before the insulator 1 is injection molded, each produced contact 2 is placed in a mold to be axially positioned, two ends of the pin connection section 21 are sealed, and then the insulator 1 and the contact 2 are fixed by injection molding.

Compared with the prior art that a metal shell is adopted for supporting, the insulator 1 is used for supporting the contact 2, so that the structural complexity of the contact 2 is reduced, and finally the volume and the cost are reduced.

In the contact 1, a transition section may be provided between the pin connection section 21 and the signal connection section 22.

Referring to fig. 4 and 5, the signal connection section 22 includes a connection area 221 connected to the pin connection section 21 and a functional area 222 exposed outside the insulator 1, and the insulator 1 is provided with a jack 11 for wrapping the pin connection section 21.

In one embodiment, referring to fig. 3 to 6, each contact 2 includes a pin connection section 21 and a signal connection section 22 from front to back, the pin connection section 21 and the signal connection section 22 are integrally formed, the signal connection section 22 is in a linear shape, and the jack 11 is concentrically arranged with the functional area 222 of the signal connection section 22.

In another embodiment, referring to fig. 7 to 9, the signal connection section 22 is bent, and the bent portion is in right-angle transition, and the insertion hole 11 and the functional area 222 of the signal connection section 22 are not concentrically arranged.

In still another embodiment, referring to fig. 10, the signal connection section 22 is bent, and the bent portion is rounded, and the insertion hole 11 and the functional area 222 of the signal connection section 22 are not concentrically disposed.

That is, when the signal connection section 22 is bent, it may be provided at any angle and in a plurality of bending directions as required.

Regarding the production and processing form of the pin connection section 21, as a specific implementation manner of the foregoing embodiment, please refer to fig. 6 or fig. 9, the pin connection section 21 is an integral structure formed by rolling a conductive plate after being formed by stamping, the pin connection section 21 includes an annular connection section 211 and an annular transition section 213 at two ends, an elastic contact section 212 is disposed between the annular connection section 211 and the annular transition section 213, a middle portion of the elastic contact section 212 is elastically retracted, and one end of the signal connection section 22 is connected with the annular transition section 213.

At this time, the elastic contact section 212 may be a circular structure formed by surrounding a plurality of elastic wires (i.e., the opposite pins are in contact with the whole circumference of the elastic contact section 212), or may be a circular arc structure formed by surrounding a plurality of elastic wires (i.e., the opposite pins are in contact with the part of the circumference of the elastic contact section 212), so as to realize the design diversification of the elastic contact section 212.

As to the production and processing form of the pin connection section 21, as another specific implementation manner of the above embodiment, please refer to fig. 11, the pin connection section 21 includes a sleeve 4 rolled up and an elastic contact body 3 installed in the sleeve 4, and one end of the signal connection section 22 is connected to a rear end face of the sleeve 4. In detail, a limiting ring groove is formed in the wall of the inner hole of the sleeve 4, the elastic contact body 3 is installed in the limiting ring groove, and the elastic contact body 3 is any one of a crown spring, a torsion spring, a rotary spring or a spring claw.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing has outlined a detailed description of a charging receptacle connector according to the present utility model, and the detailed description of the principles and embodiments of the utility model herein has been provided by way of example only to assist in the understanding of the method and core concepts of the utility model. It should be noted that any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model fall within the protection scope of the present utility model for those skilled in the art.

Claims

1. A charging receptacle connector, comprising:

the plurality of contact pieces (2), each contact piece (2) comprises a contact pin connecting section (21) and a signal connecting section (22) from front to back, and the contact pin connecting section (21) and the signal connecting section (22) are of an integrated structure;

the insulator (1), the insulator (1) is formed by integral injection molding, and a plurality of contact pieces (2) are all installed in the insulator (1);

the signal connection section (22) comprises a connection area (221) connected with the contact pin connection section (21) and a functional area (222) exposed outside the insulator (1), and a jack (11) for wrapping the contact pin connection section (21) is arranged in the insulator (1);

the contact pin connecting section (21) is of an integral structure formed by rolling after stamping forming of a conductive plate, the contact pin connecting section (21) comprises an annular connecting section (211) and an annular transition section (213) which are arranged at two ends, an elastic contact section (212) is arranged between the annular connecting section (211) and the annular transition section (213), the middle part of the elastic contact section (212) is elastically adducted, and one end of the signal connecting section (22) is connected with the annular transition section (213).

2. A charging socket connector according to claim 1, wherein the insulator (1) and each contact (2) are fixed by injection molding, or each contact (2) is forcibly fitted into the insulator (1) after the injection molding of the insulator (1) is completed.

3. A charging socket connector according to claim 1, wherein the signal connection section (22) is linear, and the receptacle (11) is arranged concentrically with the functional area (222) of the signal connection section (22).

4. A charging socket connector according to claim 1, wherein the signal connection section (22) is bent, and the receptacle (11) is arranged eccentrically to the functional area (222) of the signal connection section (22).

5. A charging jack connector according to claim 1, wherein: the elastic contact section (212) is of a circular structure surrounded by a plurality of elastic wires.

6. A charging jack connector according to claim 1, wherein: the elastic contact section (212) is of a circular arc-shaped section formed by surrounding a plurality of elastic wires.

7. A charging jack connector according to claim 1, wherein: the contact pin connecting section (21) comprises a sleeve (4) formed by rolling and an elastic contact body (3) arranged in the sleeve (4), and one end of the signal connecting section (22) is connected with the rear end face of the sleeve (4).

8. The charging receptacle connector of claim 7, wherein: and a limiting ring groove is formed in the hole wall of the inner hole of the sleeve (4), and the elastic contact body (3) is arranged in the limiting ring groove.

9. The charging receptacle connector of claim 7, wherein: the elastic contact body (3) is a crown spring, a rotary spring or a spring claw.

10. A charging jack connector according to claim 1, wherein: the signal connection section (22) is of a solid structure, and the signal connection section (22) can be connected with a circuit board or a signal plug-in unit;

or;

the signal connection section (22) is of a hollow structure, and the signal connection section (22) can be in pressure connection with a wire.