CN212033280U

CN212033280U - Improved structure of terminal of connector

Info

Publication number: CN212033280U
Application number: CN202020298880.6U
Authority: CN
Inventors: 下重利晴
Original assignee: Kunshan Aces Electronic Co ltd
Current assignee: Kunshan Aces Electronic Co ltd
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2020-11-27
Anticipated expiration: 2030-03-11

Abstract

The utility model relates to a terminal improved structure of a connector, which provides a male terminal connector and a female terminal connector, wherein a tongue plate of the male terminal connector is inserted into a slot of the female terminal connector, a plurality of opposite second conductive terminals are arranged in second terminal grooves of positioning rubber frames at two sides of the slot in a penetrating way, a plurality of first conductive terminals which are arranged oppositely are arranged in the tongue plate of the male terminal connector, a first butt-joint part of the plurality of first conductive terminals is butted against a second butt-joint part of the plurality of second conductive terminals to form electric connection, a U-shaped groove part is arranged in the downward extension of the first butt-joint part of the plurality of first conductive terminals, a butting part is formed in the upward extension of the groove part, the butting part is butted against the opposite outer sides of the two positioning rubber frames, single-point electric connection is formed between the first conductive terminals and the second conductive terminals by means of the structure, thereby having better high-speed signal transmission characteristics.

Description

Improved structure of terminal of connector

Technical Field

The present invention relates to a terminal improved structure of a connector, and more particularly to a male connector having a first conductive terminal electrically connected to a second conductive terminal of a female connector at a single point, and having a better high-speed signal transmission characteristic.

Background

The size of the electronic device is reduced so that the connector inside the electronic device is miniaturized, although the size of the connector is reduced, the structural strength of the connector cannot be reduced, and a common board-to-board connector and a wire-to-board connector are usually mated and connected by a male connector and a female connector, so that a control signal or a power source is transmitted from a circuit board to a control circuit to perform corresponding control and power supply functions. However, as the connector is miniaturized and the transmission speed is increased, more terminals are required to be installed in the miniaturized connector, and the numerous and dense terminals are likely to cause a problem of mutual interference (such as electromagnetic interference (EMI) and crosstalk interference) during high-frequency signal transmission.

In order to solve the above-mentioned interference problem of high frequency signal transmission, the conventional method is to provide a plurality of bent upper and lower rows of conductive terminals in the male terminal connector base and the female terminal connector base respectively, and to form two contact points on the upper and lower rows of terminals to form a good electrical connection, so as to eliminate the noise of high frequency signal transmission. However, the above-mentioned upper and lower row terminals form a structure of two contact points, which causes the mutual interference of signals (differential mode noise and common mode noise) between the two contact points, and the above-mentioned problem is to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

Therefore, in view of the above problems and disadvantages, the present invention provides a new and improved terminal structure of a connector, which is designed by collecting relevant data, evaluating and considering in many ways, and trying and modifying continuously with years of experience accumulated in the industry.

In order to achieve the above object, the utility model adopts the following technical scheme:

a terminal improved structure of a connector is characterized by comprising a male terminal connector and a female terminal connector, wherein the male terminal connector is provided with a first base and a tongue plate arranged in the first base, the tongue plate of the male terminal connector is inserted into a slot in a second base of the female terminal connector, a plurality of opposite second conductive terminals penetrate through second terminal grooves of positioning rubber frames at two sides of the slot, second butt-joint parts of the plurality of second conductive terminals are exposed out of opposite inner sides of the two positioning rubber frames, two first terminal grooves are separated from the tongue plate of the male terminal connector, a plurality of opposite first conductive terminals are respectively arranged in the two first terminal grooves, the first butt-joint parts of the plurality of first conductive terminals are respectively outwards abutted against the second butt-joint parts of the plurality of second conductive terminals of the two positioning rubber frames to form electrical connection, the first butt-joint part of the plurality of first conductive terminals extends downwards to form a U-shaped groove part, the groove part extends upwards to form a butting part, and the butting part butts against the opposite outer sides of the two positioning rubber frames so as to form single-point electrical connection between the first conductive terminals and the second conductive terminals.

Wherein: the first butt-joint part of the first conductive terminal is bent to form an n-shaped structure, the first butt-joint part extends downwards to form a U-shaped groove part for accommodating the positioning rubber frame, the groove part is exposed out of an accommodating groove at two sides of the tongue plate of the first base, the groove part extends upwards to form the abutting part, the abutting part extends upwards to form a limiting block with two convex sides through reverse folding, and the limiting block forms a first welding part in the horizontal direction through bending to form the first conductive terminal.

Wherein: the second butt-joint part of the second conductive terminal extends downwards to form a U-shaped clamping part, and the clamping part is bent and extends to form a second welding part in the horizontal direction so as to form the second conductive terminal.

Wherein: the center of the tongue plate of the male end connector is provided with a positioning groove from bottom to top, the positioning groove extends upwards to form a plurality of through holes on the top surface of the tongue plate, the positioning groove is used for fixing a positioning plate in a penetrating manner, a plurality of lugs on the positioning plate penetrate through the plurality of through holes in a protruding manner, and the bottom of the slot fixed on the female end connector is correspondingly provided with a plurality of fixing grooves to form a positioning structure of the male end connector and the female end connector.

Wherein: the first base of the male terminal connector is further assembled with a first shielding shell, and the first base of the male terminal connector is respectively provided with a first grounding terminal at two sides of the plurality of first conductive terminals, and the plurality of first grounding terminals and the first shielding shell are in contact to form an electrical connection so as to form a structure for grounding the male terminal connector and eliminating electromagnetic interference.

Wherein: the second base of the female terminal connector is further assembled with a second shielding shell, and the second base of the female terminal connector is respectively provided with a second grounding terminal at two sides of the plurality of second conductive terminals, the plurality of second grounding terminals and the second shielding shell are in contact to form an electrical connection, so as to form a structure for grounding the female terminal connector and eliminating electromagnetic interference.

Wherein: a plurality of convex buckles, a plurality of buckle holes, a plurality of positioning blocks and a plurality of positioning holes are arranged between the first shielding shell of the male end connector and the second shielding shell of the female end connector, so that the first shielding shell and the second shielding shell are mutually buckled, and the first grounding terminal and the second grounding terminal are mutually jointed to form electric connection, so as to form a large-area common grounding area.

The utility model has the main advantages that a male end connector and a female end connector are provided, the tongue plate of the male end connector is inserted into a slot of the female end connector, a plurality of second conductive terminals are arranged in the second terminal grooves of the positioning rubber frame at the two sides of the slot in a penetrating way, the tongue plate of the male end connector is internally provided with a plurality of first conductive terminals which are oppositely and reversely arranged, the first butt-joint parts of the plurality of first conductive terminals are abutted against the second butt-joint parts of the plurality of second conductive terminals to form electrical connection, the first mating portion of the plurality of first conductive terminals extends downward to form a U-shaped slot portion, the slot portion extends upward to form a supporting portion, the abutting part abuts against the opposite outer sides of the two positioning rubber frames, and the first conductive terminal and the second conductive terminal are electrically connected in a single point by virtue of the structure, so that the high-speed signal transmission characteristic is better.

The utility model has the other advantage that the first butt joint portion of the first conductive terminal is bent to present an n-shaped structure, the first butt joint portion downwardly extending has a U-shaped groove portion for the holding of the positioning plastic frame, and the groove portion is exposed in a storage tank on both sides of the tongue plate of the first base, and the groove portion upwardly extends to be formed with the supporting portion, the supporting portion upwardly extends to be formed with a stopper with two side protrusions through a reverse bending, the stopper is bent to form a first welding portion in the horizontal direction, and the first conductive terminal is formed by the shape.

Another advantage of the present invention is that the second butt-joint portion of the second conductive terminal extends downward to form a U-shaped clamping portion, and the clamping portion extends through a bending portion to form a second welding portion in the horizontal direction, so as to form the second conductive terminal by means of the above-mentioned shape.

Drawings

Fig. 1 is an exploded perspective view of the male and female connectors of the present invention.

Fig. 2 is another exploded perspective view of the male and female connectors of the present invention.

Fig. 3 is an exploded perspective view of the male end connector of the present invention.

Fig. 4 is another exploded perspective view of the male end connector of the present invention.

Fig. 5 is an exploded perspective view of the female connector of the present invention.

Fig. 6 is another exploded perspective view of the female end connector of the present invention.

Fig. 7 is a perspective view of the male end connector and the female end connector of the present invention after assembly.

Fig. 8 is another perspective view of the male end connector and the female end connector of the present invention after assembly.

Fig. 9 is a side view cross-sectional structure of the male and female connectors of the present invention after assembly.

Description of reference numerals: 1-male end connector; 11-a first base; 110-a receiving groove; 111-tongue plate; 1110 — first terminal groove; 1111-positioning groove; 1112-perforating; 12-a first conductive terminal; 121-a first docking portion; 122-a trough portion; 123-a holding part; 124-a limiting block; 125-first weld; 13-positioning plate; 131-a tab; 14-a first shielding shell; 141-buttonhole; 142-a positioning hole; 15-a first ground terminal; 2-a female end connector; 21-a second base; 210-a slot; 2100-fixed groove; 211-positioning rubber frame; 2110-second terminal slot; 22-a second conductive terminal; 221-a second docking portion; 222-a clamping portion; 223-a second weld; 23-a second shielding shell; 231-convex buckle; 232-positioning blocks; 24-second ground terminal.

Detailed Description

To achieve the above objects and advantages, the preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Please refer to fig. 1 to 9, which respectively show the exploded perspective views of the male and female connectors, the exploded perspective view of the male connector, the exploded perspective view of the female connector, the assembled exterior perspective view of the male connector and the female connector, and the assembled side view cross-section structure diagram of the male connector and the female connector, as can be clearly seen from the drawings, the improved terminal structure of the connector of the present invention comprises a male connector 1 and a female connector 2, and the male connector 1 mainly comprises: the circuit board includes a first base 11, a first conductive terminal 12, a positioning plate 13, a first shielding shell 14 and a first ground terminal 15. The female end connector 2 mainly comprises: the second base 21, the second conductive terminal 22, the second shielding shell 23 and the second grounding terminal 24, which are described in more detail as follows:

the male terminal connector 1 has a first base 11 and a tongue plate 111 disposed in the first base 11, the tongue plate 111 of the male terminal connector 1 is inserted into a slot 210 in a second base 21 of the female terminal connector 2, a plurality of opposite second conductive terminals 22 are inserted into second terminal slots 2110 of the positioning adhesive frames 211 on both sides of the slot 210, second mating portions 221 of the plurality of second conductive terminals 22 are exposed on opposite inner sides of the two positioning adhesive frames 211, two first terminal slots 1110 are separated from the tongue plate 111 of the male terminal connector 1, a plurality of opposite first conductive terminals 12 are disposed in each of the two first terminal slots 1110, each first mating portion 121 of the plurality of first conductive terminals 12 is outwardly abutted against the second mating portion 221 of the plurality of second conductive terminals 22 of the two positioning adhesive frames 211 to form an electrical connection, the first mating portion 121 of the plurality of first conductive terminals 12 extends downward to form a U-shaped slot portion 122, the slot portion 122 extends upward to form a supporting portion 123, and the supporting portion 123 supports against the opposite outer sides of the two positioning plastic frames 211, so that the first conductive terminal 12 and the second conductive terminal 22 are electrically connected in a single point by virtue of the above structure, and have better high-speed signal transmission characteristics.

The first mating portion 121 of the first conductive terminal 12 is bent to form an n-shaped structure, the first mating portion 121 extends downward to form a U-shaped groove 122 for accommodating the positioning frame 211, the groove 122 is exposed to an accommodating groove 110 on both sides of the tongue plate 111 of the first base 11, the groove 122 extends upward to form the abutting portion 123, the abutting portion 123 extends upward to form a limiting block 124 with two protruding sides by being folded backward, and the limiting block 124 forms a first welding portion 125 in a horizontal direction by being bent, so as to form the first conductive terminal 12.

The second mating portion 221 of the second conductive terminal 22 extends downward to form a U-shaped holding portion 222, and the holding portion 222 is bent to extend to form a second soldering portion 223 in a horizontal direction, so as to form the second conductive terminal 22.

The center of the tongue plate 111 of the male end connector 1 is chiseled with a positioning groove 1111 from bottom to top, the positioning groove 1111 extends upward to form a plurality of through holes 1112 on the top surface of the tongue plate 111, and the positioning groove 1111 is used for a positioning plate 13 to pass through and fix, and a plurality of lugs 131 on the positioning plate 13 protrude through the plurality of through holes 1112, and the bottom of the slot 210 fixed on the female end connector 2 is correspondingly provided with a plurality of fixing grooves 2100, so as to form a positioning structure of the male end connector 1 and the female end connector 2.

A first shielding housing 14 is further assembled outside the first base 11 of the male terminal connector 1, and the first base 11 of the male terminal connector 1 is respectively provided with a first grounding terminal 15 at two sides where the plurality of first conductive terminals 12 are disposed, the plurality of first grounding terminals 15 and the first shielding housing 14 are in contact to form an electrical connection, so as to form a structure for grounding the male terminal connector 1 and eliminating electromagnetic interference.

A second shielding housing 23 is further assembled outside the second base 21 of the female terminal connector 2, and second grounding terminals 24 are respectively disposed on the second base 21 of the female terminal connector 2 at two sides where the plurality of second conductive terminals 22 are disposed, and the plurality of second grounding terminals 24 and the second shielding housing 23 are in contact to form an electrical connection, so as to form a structure for grounding the female terminal connector 2 and eliminating electromagnetic interference.

A plurality of protruding buckles 231, a plurality of buckle holes 141, a plurality of positioning blocks 232 and a plurality of positioning holes 142 are disposed between the first shielding shell 14 of the male terminal connector 1 and the second shielding shell 23 of the female terminal connector 2, so that the first shielding shell 14 and the second shielding shell 23 are buckled with each other, and the first ground terminal 15 and the second ground terminal 24 are mutually connected to form an electrical connection, so as to form a large-area common ground area.

The main technical means of the present invention lies in that the first butt-joint portion 121 of the first conductive terminal 12 of the plural number of the male connector 1 and the second butt-joint portion 221 of the second conductive terminal 22 of the female connector 2 are formed to be electrically connected, the first butt-joint portion 121 of the first conductive terminal 12 of the plural number extends downwards to have a U-shaped groove portion 122, the groove portion 122 extends upwards to be formed with a butt-holding portion 123, and the butt-holding portion 123 butts against the relative outer side of the two positioning rubber frames 211, so as to form a single-point electrical connection between the first conductive terminal 12 and the second conductive terminal 22. As for the shape of the second conductive terminal 22 of the female connector 2, no matter the shape is a U-shaped holding portion 222, and then the holding portion is bent to form a second welding portion 223 in the horizontal direction; or a second conductive terminal 22 (not shown) in an L shape directly inserted into the second terminal groove 2110 of the positioning adhesive frame 211 is within the scope of the present invention. Therefore, the problem that the two contact points are formed by the upper and lower rows of terminals inside the existing male terminal connector and female terminal connector, which causes mutual interference of signals (differential mode noise and common mode noise) generated between the two contact points, can be effectively solved, and the high-speed signal transmission characteristic is better.

With the disclosure of fig. 1 to 9, it can be understood that the present invention is a terminal improved structure of a connector, which mainly provides a male terminal connector and a female terminal connector, wherein a tongue plate of the male terminal connector is inserted into a slot of the female terminal connector, a plurality of opposite second conductive terminals are inserted into second terminal slots of a positioning rubber frame at two sides of the slot, a plurality of first conductive terminals are oppositely disposed inside the tongue plate of the male terminal connector, a first butt portion of the plurality of first conductive terminals abuts against a second butt portion of the plurality of second conductive terminals to form an electrical connection, a U-shaped slot portion extends downward from the first butt portion of the plurality of first conductive terminals, the slot portion extends upward to form a abutting portion, and the abutting portion abuts against opposite outer sides of the two positioning rubber frames, the structure is used to form a single-point electrical connection between the first conductive terminals and the second conductive terminals, the high-speed signal transmission characteristic is better, and the high-frequency signal transmission characteristic has an excellent effect on solving the high-frequency transmission problem of the plate-end connector.

The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A terminal improved structure of a connector is characterized by comprising a male terminal connector and a female terminal connector, wherein the male terminal connector is provided with a first base and a tongue plate arranged in the first base, the tongue plate of the male terminal connector is inserted into a slot in a second base of the female terminal connector, a plurality of opposite second conductive terminals penetrate through second terminal grooves of positioning rubber frames at two sides of the slot, second butt-joint parts of the plurality of second conductive terminals are exposed out of opposite inner sides of the two positioning rubber frames, two first terminal grooves are separated from the tongue plate of the male terminal connector, a plurality of opposite first conductive terminals are respectively arranged in the two first terminal grooves, the first butt-joint parts of the plurality of first conductive terminals are respectively outwards abutted against the second butt-joint parts of the plurality of second conductive terminals of the two positioning rubber frames to form electrical connection, the first butt-joint part of the plurality of first conductive terminals extends downwards to form a U-shaped groove part, the groove part extends upwards to form a butting part, and the butting part butts against the opposite outer sides of the two positioning rubber frames so as to form single-point electrical connection between the first conductive terminals and the second conductive terminals.

2. The improved structure of connector terminal as claimed in claim 1, wherein: the first butt-joint part of the first conductive terminal is bent to form an n-shaped structure, the first butt-joint part extends downwards to form a U-shaped groove part for accommodating the positioning rubber frame, the groove part is exposed out of an accommodating groove at two sides of the tongue plate of the first base, the groove part extends upwards to form the abutting part, the abutting part extends upwards to form a limiting block with two convex sides through reverse folding, and the limiting block forms a first welding part in the horizontal direction through bending to form the first conductive terminal.

3. The improved structure of connector terminal as claimed in claim 1, wherein: the second butt-joint part of the second conductive terminal extends downwards to form a U-shaped clamping part, and the clamping part is bent and extends to form a second welding part in the horizontal direction so as to form the second conductive terminal.

4. The improved structure of connector terminal as claimed in claim 1, wherein: the center of the tongue plate of the male end connector is provided with a positioning groove from bottom to top, the positioning groove extends upwards to form a plurality of through holes on the top surface of the tongue plate, the positioning groove is used for fixing a positioning plate in a penetrating manner, a plurality of lugs on the positioning plate penetrate through the plurality of through holes in a protruding manner, and the bottom of the slot fixed on the female end connector is correspondingly provided with a plurality of fixing grooves to form a positioning structure of the male end connector and the female end connector.

5. The improved structure of connector terminal as claimed in claim 1, wherein: the first base of the male terminal connector is further assembled with a first shielding shell, and the first base of the male terminal connector is respectively provided with a first grounding terminal at two sides of the plurality of first conductive terminals, and the plurality of first grounding terminals and the first shielding shell are in contact to form an electrical connection so as to form a structure for grounding the male terminal connector and eliminating electromagnetic interference.

6. The improved structure of connector terminal as claimed in claim 1, wherein: the second base of the female terminal connector is further assembled with a second shielding shell, and the second base of the female terminal connector is respectively provided with a second grounding terminal at two sides of the plurality of second conductive terminals, the plurality of second grounding terminals and the second shielding shell are in contact to form an electrical connection, so as to form a structure for grounding the female terminal connector and eliminating electromagnetic interference.

7. The improved structure of connector terminal as claimed in claim 1, wherein: a plurality of convex buckles, a plurality of buckle holes, a plurality of positioning blocks and a plurality of positioning holes are arranged between the first shielding shell of the male end connector and the second shielding shell of the female end connector, so that the first shielding shell and the second shielding shell are mutually buckled, and the first grounding terminal and the second grounding terminal are mutually jointed to form electric connection so as to form a common grounding area.