CN218919466U

CN218919466U - Novel structure connector adopting double-spring-arm grounding piece

Info

Publication number: CN218919466U
Application number: CN202221501564.XU
Authority: CN
Inventors: 吴志伟; 隆权; 岑燎炬
Original assignee: FCI Connectors Dongguan Co Ltd
Current assignee: FCI Connectors Dongguan Co Ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2023-04-25
Anticipated expiration: 2032-06-15

Abstract

The utility model provides a novel structure connector adopting double-elastic-arm grounding pieces, which comprises a connector insulating shell, a plurality of pairs of matched upper-row terminals and lower-row terminals, wherein the upper-row terminals and the lower-row terminals are arranged in the connector insulating shell, and the upper grounding pieces and the lower grounding pieces which are used for being contacted with the grounding terminals of the upper-row terminals and the lower-row terminals are also arranged in the connector insulating shell. The upper and lower double grounding plates are interconnected with the upper and lower grounding terminals, so that the SI performance of the connector is improved, and the signal integrity problems of insertion return loss, crosstalk and the like are solved; the double-point contact terminal is adopted, so that the connection is more reliable and stable; the upper and lower grounding plates of the hollow structure do not influence the impedance of the signal terminal; the upper grounding piece and the lower grounding piece are connected in series by utilizing the outer square frames to form interconnection, and the elastic arms are separated by the cross beam to form independent small square frames, so that the elastic arms in the signal terminal area are avoided, the impedance performance of the signal terminal is not influenced, and the SI performance is more stably and effectively improved.

Description

Novel structure connector adopting double-spring-arm grounding piece

Technical Field

The utility model relates to the technical field of connectors, in particular to a novel structure connector adopting a double-elastic-arm grounding piece.

Background

At present, connectors (connectors) are widely used for connecting components and accessories of electronic signals and power supplies, and are bridges for all signals, the quality of which affects the reliability of current and signal transmission and is also relevant to the operation of electronic systems. With the increasing development of electronic technology, connectors have become an indispensable equipment for various electronic devices to transmit data and connect with other peripheral devices.

The SI performance of the existing connector is poor, the impedance of the signal terminal is seriously affected, and the structure is complex.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a novel structure connector adopting a double-elastic-arm grounding piece.

The technical scheme of the utility model is as follows: the novel structure connector comprises a connector insulating shell, and a plurality of pairs of matched upper-row terminals and lower-row terminals which are arranged in the connector insulating shell, wherein the upper-row terminals and the lower-row terminals comprise corresponding signal terminals and grounding terminals;

the connector insulating shell is also internally provided with an upper grounding piece and a lower grounding piece which are used for being contacted with the grounding terminals of the upper row of terminals and the lower row of terminals.

Preferably, the upper and lower ground plates have a double contact point structure, and are contacted with the ground terminals of the upper and lower rows of terminals through the double contact end double contact point structure.

Preferably, the connector insulating housing is provided with a slot along the length direction, and the lower end of the connector insulating housing is provided with a supporting seat.

Preferably, the connector insulating housing on two sides of the slot is provided with a plurality of mounting grooves for mounting the upper row of terminals and the lower row of terminals, the mounting grooves penetrate through the upper side and the lower side of the connector insulating housing, and two sides of each mounting groove are provided with corresponding partition plates.

Preferably, the upper row of terminals and the lower row of terminals have the same structure, and each of the upper row of terminals and the lower row of terminals comprises a terminal body, and contact ends and welding ends which are integrally formed at two ends of the terminal body.

Preferably, the terminal body is provided with a plurality of protruding convex hulls which are used for being clamped with the insulating shell of the connector.

Preferably, the upper grounding plate and the lower grounding plate have the same structure and comprise grounding plate frames, a plurality of elastic arms are arranged on the upper side wall and the lower side wall of each grounding plate frame, and corresponding contact points are arranged on the elastic arms.

Preferably, the grounding plate frame is of a hollow structure, and a plurality of cross beams are further arranged in the grounding plate frame, and the grounding plate frame is divided into a plurality of independent chambers through the cross beams.

Preferably, one of the two cooperating resilient arms of each pair is located within the chamber and the other said resilient arm is located outside the chamber.

Preferably, the upper grounding plate and the lower grounding plate are made of metal materials.

The beneficial effects of the utility model are as follows:

1. the upper and lower double grounding plates are interconnected with the upper and lower grounding terminals, so that the SI performance of the connector is improved, and the signal integrity problems of insertion return loss, crosstalk and the like are solved; the upper grounding plate and the lower grounding plate adopt double-point contact terminals, so that the connection is more reliable and stable;

2. the upper grounding piece and the lower grounding piece are both in frame-type structures, the hollow structure is reliable and stable, SI performance is improved, and signal terminal impedance is not affected;

3. the elastic arms of the upper and lower grounding plates provide a certain interference amount to keep stable contact, and provide elastic force to squeeze the terminal to prevent the elastic sheet from withdrawing after insertion, and the contact reliability is enhanced by the two elastic arms, so that the terminal can be squeezed after the grounding plates are assembled and inserted to improve the terminal holding force. After the application end is inserted into the PCB, the PCB provides upward extrusion force for the terminal, and the terminal deforms to extrude the grounding plate so that the contact is more reliable and stable;

4. the upper grounding piece and the lower grounding piece are connected in series by utilizing the outer square frames to form interconnection, and the elastic arms are separated by the cross beam to form independent small square frames, so that the elastic arms in the signal terminal area are avoided, the impedance performance of the signal terminal is not influenced, and the SI performance is more stably and effectively improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of another embodiment of the utility model;

FIG. 3 is an enlarged view of a portion of the connector of the present utility model;

FIG. 4 is a schematic view of the insulating housing of the connector according to the present utility model;

FIG. 5 is a schematic view of a terminal according to the present utility model;

FIG. 6 is a schematic view of the grounding plate of the present utility model;

fig. 7 is a schematic view showing a structure in which a grounding plate contacts a terminal;

in the figure, 1-comprises a connector insulating shell, 2-upper row terminals, 3-lower row terminals, 4-upper grounding pieces and 5-lower grounding pieces;

11-slots and 12-supporting seats;

21-a terminal body, 22-a contact end, 23-a welding end and 24-a convex hull;

41-ground plate frame, 42-spring arms, 43-contact points, 44-cross beams, 45-chambers;

Detailed Description

The following is a further description of embodiments of the utility model, taken in conjunction with the accompanying drawings:

as shown in fig. 1-3, the present embodiment provides a novel connector with a double-spring-arm grounding piece, where the connector in this embodiment is a strip connector, and includes a connector insulating housing 1, and multiple pairs of matched upper row terminals 2 and lower row terminals 3 disposed in the connector insulating housing 1, where the upper row terminals 2 and the lower row terminals 3 include corresponding signal terminals and grounding terminals, and the signal terminals and the grounding terminals are arranged at intervals.

An upper grounding piece 4 and a lower grounding piece 5 for contact connection with the grounding terminals of the upper row of terminals 2 and the lower row of terminals 3 are also arranged in the connector insulating housing 1.

As shown in fig. 4, the connector insulating housing 1 is preferably a strip-shaped structure, a slot 11 is formed along the length direction of the connector insulating housing 1, and a plurality of supporting seats 12 are provided at the lower end of the connector insulating housing 1.

As shown in fig. 4, the connector insulating housing 1 on two sides of the slot 11 is provided with a plurality of mounting slots for mounting the upper row of terminals 2 and the lower row of terminals 3, the mounting slots penetrate through the upper side and the lower side of the connector insulating housing 1, and each of the two sides of the mounting slots is provided with a corresponding partition board, the upper row of terminals 2 and the lower row of terminals 3 are inserted in the mounting slots, the contact ends 22 of the upper row of terminals 2 and the lower row of terminals 3 extend out of the mounting slots, and the contact ends 22 of the upper row of terminals 2 and the lower row of terminals 3 are located in the slot 11.

As preferable in this embodiment, as shown in fig. 5, the upper row of terminals 2 and the lower row of terminals 3 are identical in structure and each include a terminal body 21, and contact ends 22 and soldering ends 23 integrally formed at both ends of the terminal body 21.

As shown in fig. 5, the outer side of the terminal body 21 is preferably provided with a plurality of protruding bosses 24 for being engaged with the connector insulating housing 1.

As preferable in this embodiment, as shown in fig. 6 and 7, the upper and lower ground plates 4 and 5 have a double contact point structure by which they are brought into contact with the ground terminals of the upper and lower rows of terminals 2 and 3.

As shown in fig. 6 and 7, the upper grounding plate 4 and the lower grounding plate 5 have the same structure and each include a grounding plate frame 41, a plurality of elastic arms 42 are disposed on the upper and lower sidewalls of the grounding plate frame 41, and corresponding contact points 43 are disposed on the elastic arms 42.

As shown in fig. 6 and 7, the grounding plate frame 41 is preferably hollow, and a plurality of cross members 44 are further disposed in the grounding plate frame 41, and the grounding plate frame 41 is divided into a plurality of independent chambers 45 by the cross members 44.

As is preferred in this embodiment, as shown in fig. 6 and 7, one of the two cooperating resilient arms 42 of each pair is located within the chamber 45 and the other said resilient arm 42 is located outside the chamber 45.

As shown in fig. 6 and 7, the upper grounding plate 4 and the lower grounding plate 5 are made of metal materials.

The elastic arms 42 of the upper and lower grounding plates (4, 5) of the present embodiment can provide a certain amount of interference to maintain stable contact and provide elastic force to press the terminal to prevent the elastic arms 42 from withdrawing after insertion, contact reliability is enhanced by the two elastic arms 42, and the terminal can be pressed after the upper and lower grounding plates (4, 5) are assembled and inserted to improve terminal holding force. After the application end is inserted into the PCB, the PCB provides upward extrusion force for the terminal, and the terminal deforms to extrude the grounding plate so that the contact is more reliable and stable;

the upper and lower grounding plates (4, 5) of the embodiment are connected in series by using the outer frames 41 of the grounding plates to form interconnection, and the elastic arms 42 are separated by the cross beams 44 to form independent small square-frame-shaped chambers 45, so that the elastic arms 42 in the signal terminal area are avoided, the impedance performance of the signal terminal is not influenced, and the SI performance is more stably and effectively improved.

The foregoing embodiments and description have been provided merely to illustrate the principles and best modes of carrying out the utility model, and various changes and modifications can be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. Adopt novel structural connector of two spring arm grounding pieces, the connector be rectangular connector, including connector insulating housing (1) to and set up many pairs of matched with in connector insulating housing (1) go up row terminal (2) and lower row terminal (3), go up row terminal (2) and lower row terminal (3) all include corresponding signal terminal and ground terminal, signal terminal and ground terminal interval lay, its characterized in that: the connector insulating shell (1) is also internally provided with an upper grounding piece (4) and a lower grounding piece (5) which are used for being in contact connection with the grounding terminals of the upper row of terminals (2) and the lower row of terminals (3).

2. A novel structural connector employing dual arm grounding tabs as defined in claim 1, wherein: the upper grounding piece (4) and the lower grounding piece (5) are provided with double contact points (43), and the double contact points (43) are in contact connection with the grounding terminals of the upper row of terminals (2) and the lower row of terminals (3).

3. A novel structural connector employing dual arm grounding tabs as defined in claim 2, wherein: the upper grounding plate (4) and the lower grounding plate (5) are identical in structure and comprise a grounding plate frame (41), a plurality of elastic arms (42) are arranged on the upper side wall and the lower side wall of the grounding plate frame (41), and corresponding contact points (43) are arranged on the elastic arms (42).

4. A novel structural connector employing a double-arm grounding strap according to claim 3, wherein: the grounding plate frame (41) is of a hollow structure, a plurality of cross beams (44) are further arranged in the grounding plate frame (41), and the grounding plate frame (41) is divided into a plurality of independent square-frame-shaped chambers (45) through the cross beams (44).

5. A novel structural connector employing dual arm grounding tabs as defined in claim 4, wherein: one of the two cooperating resilient arms (42) of each pair is located within the chamber (45) and the other said resilient arm (42) is located outside the chamber (45).

6. A novel structural connector employing a double-arm grounding strap according to claim 3, wherein: the upper grounding plate (4) and the lower grounding plate (5) are made of metal materials.

7. A novel structural connector employing dual arm grounding tabs as defined in claim 1, wherein: the connector insulating shell (1) is of a strip-shaped structure, a slot (11) is formed in the length direction of the connector insulating shell (1), and a plurality of supporting seats (12) are arranged at the lower end of the connector insulating shell (1).

8. A novel structural connector employing dual arm grounding tabs as defined in claim 7, wherein: the connector insulation shell (1) on two sides of the slot (11) is provided with a plurality of mounting grooves for mounting the upper row of terminals (2) and the lower row of terminals (3), the mounting grooves penetrate through the upper side and the lower side of the connector insulation shell (1), corresponding partition boards are arranged on two sides of each mounting groove, the upper row of terminals (2) and the lower row of terminals (3) are inserted in the mounting grooves, the contact ends (22) of the upper row of terminals (2) and the lower row of terminals (3) extend out of the mounting grooves, and the contact ends (22) of the upper row of terminals (2) and the lower row of terminals (3) are located in the slot (11).

9. A novel structural connector employing dual arm grounding tabs as defined in claim 8, wherein: the upper row of terminals (2) and the lower row of terminals (3) have the same structure and comprise terminal bodies (21), contact ends (22) and welding ends (23) which are integrally formed at two ends of the terminal bodies (21).

10. A novel structural connector employing dual arm grounding tabs as defined in claim 9, wherein: the outer side of the terminal body (21) is provided with a plurality of protruding convex hulls (24) which are used for being clamped with the connector insulating shell (1).