CN110808500B

CN110808500B - Electrical connector and electrical connector assembly

Info

Publication number: CN110808500B
Application number: CN201810866226.8A
Authority: CN
Inventors: 毛玉华; 吴祝平; 方志宏; 赵霞
Original assignee: Drapho Electronics Technology Co ltd
Current assignee: Drapho Electronics Technology Co ltd
Priority date: 2018-08-01
Filing date: 2018-08-01
Publication date: 2025-03-21
Anticipated expiration: 2038-08-01
Also published as: CN110808500A

Abstract

The present invention provides an electrical connector, comprising an insulating body, a first terminal received in the insulating body, and a shielding assembly shielding the insulating body, wherein the insulating body is provided with a longitudinally extending side wall, an end wall connected to the longitudinal ends of the side wall, and a docking portion and a docking cavity located on the inner side of the side wall and the end wall, and the shielding assembly comprises a pair of narrow and long shielding doors and a spring member connected to the two ends of the shielding door, and the longitudinal ends of the shielding door are provided with a first guide shaft connected to the spring member and a second guide shaft mounted on the top of the end wall. Compared with the prior art, the present invention improves the dustproof ability of the electrical connector by setting the shielding assembly, and the shielding assembly is made of metal material, which can contact the shielding door and open it in the first time during the docking process, and the shielding assembly can improve the smoothness of opening and closing the shielding door by setting the spring and the stopper.

Description

Electric connector and electric connector combination

Technical Field

The present disclosure relates to electrical connectors, and particularly to an electrical connector assembly.

Background

In the field of consumer electronics, the electrical connector is widely applied to digital products such as computers and mobile phones and serves as a carrier for electric signal transmission, and the advantages and disadvantages of the electrical connector have great influence on the quality of the signal transmission. With the popularization of high-frequency transmission, the signal transmission rate has been greatly improved nowadays, and the high-frequency transmission has a very high requirement on the stability of signals, so that in order to prevent external interference or mutual interference of internal signals, the structure of an electric connector is generally optimized in the prior art to reduce the signal interference. There are various factors affecting the quality of signal transmission, such as interference from external interfering signals or poor internal contact between signal terminals. In order to avoid similar situations, many connectors are provided with door parts, which are used together with shielding shells to improve the grounding and dustproof functions of the connectors, the dustproof functions of the door parts are applied to more connectors, dust and dirt can be effectively reduced to enter the connectors, so that the signal transmission quality is affected, the existing door parts are complex in design, the smoothness of opening and closing processes is not ideal, the stability of the structure after long-term use is poor, and the complicated door parts bring no little trouble to the installation and the disassembly of the connectors, so that the production efficiency is affected.

Therefore, it is necessary to provide a new electrical connector to solve the above technical problems.

Disclosure of Invention

The invention provides an electric connector and an electric connector combination, which are used for solving the problems of complex structure and low efficiency in the prior art.

In order to solve the technical problems, the electric connector comprises an insulating body, a first terminal accommodated in the insulating body, a shielding assembly and a shell, wherein the shielding assembly and the shell are covered on the insulating body, the insulating body is provided with a side wall extending longitudinally, an end wall connecting the longitudinal two ends of the side wall, a butt joint part and a butt joint cavity which are positioned on the inner sides of the side wall and the end wall, the shielding assembly comprises a pair of long and narrow shielding doors and spring pieces connected to the two ends of the shielding doors, and the longitudinal two ends of the shielding doors are provided with a first guide shaft connected with the spring pieces and a second guide shaft erected on the top of the end wall.

Further, the shielding assembly further comprises a stop member limiting the spring member, and the stop member is provided with a top arm positioned right above the first guide shaft and the second guide shaft.

Further, the first guide shaft has a length longer than that of the second guide shaft, and the first guide shaft is connected to the top of the spring member.

Further, the stop piece is of an inverted U shape and is provided with side arms extending downwards from two ends of the top arm, and the side arms are inserted into the side walls of the insulating body to realize positioning.

Further, the shell comprises a left shell and a right shell which are respectively coated on the two side walls, bending parts are arranged at the two longitudinal ends of the left shell and the right shell, and the bending parts are covered on the outer surface of the end wall of the insulating body.

Further, the bending portion is further provided with an inward turning piece which turns inward, the inward turning piece is provided with a resisting portion and a limiting portion which extends downwards from the resisting portion, and the resisting portion is U-shaped and is resisted on the outer side of the first guide shaft in the horizontal direction.

Further, two guiding grooves for accommodating the spring pieces are formed in each end wall of the insulating body, the guiding grooves are communicated with the abutting cavities in the insulating body, and the limiting portions are blocked on the outer sides of the guiding grooves and limit the spring pieces in the guiding grooves.

Further, the limiting part is located at the inner side of the bending part and is parallel to the bending part.

Further, a spacer protruding upwards is arranged at the top of the end wall, and the spacer is arranged between the bending part of the left shell and the bending part of the right shell.

Further, the spacer extends upward beyond the stopper and is located outside the stopper.

The invention also adopts the following technical scheme that the electric connector combination comprises the electric connector.

Further, the electric connector assembly further comprises a pair of butt-joint end electric connectors, the butt-joint end electric connectors comprise an insulating base body and a second terminal accommodated in the insulating base body, the insulating base body is provided with a pair of side walls which are oppositely arranged and a tongue plate part which is positioned in the middle of the two side walls, and the inner surfaces of the side walls are inclined.

Further, an I-shaped inner wall is arranged in the tongue plate part, and the second terminal is accommodated in the tongue plate part.

Further, the second terminal is provided with a first U-shaped part, a second U-shaped part, a third U-shaped part and a fourth U-shaped part which are integrally connected.

Further, the second U-shaped part is arranged adjacent to the first U-shaped part, the third U-shaped part is arranged adjacent to the second U-shaped part, the fourth U-shaped part is arranged adjacent to the third U-shaped part, and the opening directions of the third U-shaped part and the fourth U-shaped part are opposite.

Further, the first U-shaped part protrudes out of the surface of the tongue plate part to be in butt contact with the first terminal, and the tail end of the fourth U-shaped part is provided with a welding pin extending out of the tongue plate part.

Compared with the prior art, the shielding assembly improves the dustproof capacity of the electric connector, the shielding assembly is made of metal, the shielding door can be contacted and opened at the first time in the butt joint process, and the shielding assembly can improve the smoothness of opening and closing of the shielding door through the arrangement of the spring and the stop piece.

Drawings

Fig. 1 is a perspective view of an electrical connector according to the present invention.

Fig. 2 is a longitudinal sectional view of the electrical connector according to the present invention.

Fig. 3 is a transverse cross-sectional view of the electrical connector of the present invention prior to mating.

Fig. 4 is a transverse cross-sectional view of the electrical connector of the present invention after mating.

Fig. 5 is an internal structural view of the electrical connector of the present invention at the end wall.

Fig. 6 is a perspective view of a stopper of the electrical connector according to the present invention.

Fig. 7 is a perspective view of a shutter door of the electrical connector of the present invention.

Fig. 8 is a perspective view of an insulation body of the electrical connector according to the present invention.

Detailed Description

Referring to fig. 1 to 8, the present invention provides an electrical connector 100, which includes an insulative housing 10, a first terminal 20 fixed in the insulative housing 10, a housing 30 mounted on the insulative housing 10, and a shielding member 40 shielding the insulative housing 10.

The insulating body 10 is provided with a pair of longitudinally extending side walls 11, a pair of transversely extending end walls 12 and a bottom wall 13, and both ends of the side walls 11 are connected to the end walls 12, so that a mating cavity 14 is formed by the side walls 11, the end walls 12 and the bottom wall 13 for accommodating a pair of electrical connectors 200. The bottom wall 13 is provided with a mating portion 15 protruding into the mating cavity 14, the mating portion 15 is lower than the end wall 12 and the side wall 11, and is used for accommodating the first terminal 20, the top surface 150 of the mating portion 15 is a flat surface, the mating portion 15 extends longitudinally, and two longitudinal ends of the top surface 150 are provided with recesses 151 for mating with the protrusions 212 of the mating electrical connector 200, as shown in fig. 4 and 8. In addition, the side walls 11 and the end walls 12 define a rectangular mating frame opening 16 through which the mating electrical connector 200 is inserted into the mating cavity 14.

The first terminal 20 is fixed in the docking portion 15, and the top of the first terminal 20 is exposed to the top surface 150 of the docking portion 15 for electrically connecting with the docking-end electrical connector 200, while the bottom of the first terminal 20 protrudes downward from the docking portion 15 for mounting to a circuit board (not shown).

The casing 30 includes a left casing 31 and a right casing 32 that are respectively coated on the two side walls 11, the left casing 31 and the right casing 32 have the same structure, are distributed along the length direction of the side walls 11, and cover the outer wall surfaces of the side walls 11, meanwhile, the longitudinal two ends of the left casing 31 and the right casing 32 are provided with bending portions 33, the bending portions 33 cover the outer surfaces of the end walls 12 of the insulating body 10, as shown in fig. 2, the top of the bending portions 33 is provided with inward turning pieces 34, the inward turning pieces 34 are provided with resisting portions 35 and limiting portions 36 extending downwards from the resisting portions 35, the resisting portions 35 are in a U shape, and are horizontally resisted by the shielding assembly, and the limiting portions 36 are located inside the bending portions 33 and are parallel to the bending portions 33. The bending parts 33 and 33 of the left and right shells 31 and 32 are covered on the outer surface of the end wall 12, the top of the end wall 12 is provided with a spacing part 17 protruding upwards, and the spacing part 17 is arranged between the bending parts 33 and 33 of the left and right shells 31 and 32 and is used for spacing the left and right shells 31 and 32 and realizing a certain spacing effect.

As shown in fig. 5, the shielding assembly 40 includes a pair of elongated shielding doors 41, a spring member 42 connected to two ends of the shielding doors 41, and a stop member 43 located above the spring member 42, where the shielding doors 41, the spring member 42, and the stop member 43 are all made of metal, and the two shielding doors 41 are located above the docking portion 15, and in a flat state, can shield the docking frame opening 16 to prevent external dust from entering the docking cavity 14, thereby causing pollution. The two ends of each shielding door 41 are respectively provided with a pair of guide shafts, namely a first guide shaft 44 and a second guide shaft 45, as shown in fig. 6, in the closed state, the shielding door 41 is erected on the top of the two end walls 12 of the opposite insulating body 10 through the first guide shaft 44 and the second guide shaft 45 at the two ends of the shielding door, and the two guide shafts are adjacently arranged, wherein the length of the first guide shaft 44 is greater than that of the second guide shaft 45, and the first guide shaft 44 is connected with the top of the spring piece 42 and can be used for pushing the spring piece 42 downwards. The spring member 42 is accommodated on the end wall 12 of the insulating body 10 and is located at the inner side of the limiting portion 36 of the inward turning piece 34, the spring member 42 is located below the U-shaped resisting portion 35, and the bottom of the spring member 42 is disposed on the bottom wall 13 of the insulating body 10, so that the spring member 42 is limited in both the vertical direction and the horizontal direction, and no positional deviation occurs during the telescopic change of the spring member 42, thereby ensuring that the shielding door 41 can be opened and closed smoothly. It should be noted that, for better limiting the spring member 42, two guiding grooves 18 for accommodating the spring member 42 are provided on each end wall 12 of the insulating body 10, the guiding grooves 18 extend perpendicular to the bottom wall 13, and the guiding grooves 18 are communicated with the abutting cavities 14 in the insulating body 10.

As shown in fig. 2 to 5, in the process of mating the electrical connector 100 with the mating electrical connector 200, the mating electrical connector 200 will first contact the shielding door 41 before entering the mating cavity 14, the shielding door 41 after being pushed will turn over, and one side of the shielding door 41 will sink downward into the mating cavity 14, and the spring member 42 will be pressed down to be in a compressed state in the whole process. After the two shutter doors 41 are turned over, the mating cavity 14 is opened to accommodate the access of the mating end electrical connector 200.

In order to prevent the spring member 42 from being separated from the shielding door 41 or to separate the shielding door 41 from the insulating body 10 during the releasing process, the stopper member 43 is disposed above the end wall 12 and is shielded directly above the two guide shafts 44 and 45 to limit the guide shafts 44 and 45 so as to block the shielding door 41 in the vertical direction, and in a preferred embodiment, the stopper member 43 has an inverted U shape with a top arm 46 and side arms 47 extending downward from both ends of the top arm 46, the top arm 46 is disposed directly above the guide shafts 44 and 45, and the side arms 47 are inserted into the side walls 11 of the insulating body 10 to realize positioning. In addition, in order to better fix the stopper 43, the stopper 43 is disposed inside the partition 17 such that the stopper 43 is restricted by the partition 17 and cannot be outwardly biased.

In addition, the butt-end electrical connector 200 to be butt-jointed with the present invention includes an insulating base 201 and a second terminal 202 accommodated in the insulating base 201, the insulating base 201 is provided with a pair of opposite side walls 203 and a tongue plate portion 204 located in the middle of the two side walls 203, the inner surface 205 of the side walls 203 is inclined, an i-shaped inner wall 206 is provided in the tongue plate portion 204, the second terminal 202 is accommodated in the tongue plate portion 204, and the second terminal 202 has a first U-shaped portion 207, a second U-shaped portion 208, a third U-shaped portion 209 and a fourth U-shaped portion 210 integrally connected with each other, wherein the first U-shaped portion 207 protrudes out of the surface of the tongue plate portion 204 for butt-contacting with the first terminal 20 of the electrical connector 100, the second U-shaped portion 208 is adjacent to the first U-shaped portion 207, the third U-shaped portion 209 is adjacent to the second U-shaped portion 208, the fourth U-shaped portion 210 is adjacent to the third U-shaped portion 209, the third U-shaped portion 209 is opposite to the fourth U-shaped portion 210, and the second terminal 210 is arranged to be butt-jointed with the second terminal 202 (the second terminal 202 is not shown) at the opposite side, and the first terminal 202 is not shown in the butt-end, and the butt-end is mounted to the second terminal 202.

In summary, according to the electrical connector 100 of the present invention, the dustproof capability of the electrical connector is improved by the arrangement of the shielding component 40, the shielding component 40 is made of metal, so that the shielding door can be contacted and opened at the first time in the abutting process, and the smoothness of opening and closing the shielding door can be improved by the arrangement of the spring and the stop piece of the shielding component 40.

The above description is only of the preferred embodiments of the present invention, and is not intended to limit the invention in any way, and any person skilled in the art may make many possible variations and modifications to the technical solution of the present invention using the above disclosed method without departing from the scope of the technical solution of the present invention, which is defined in the claims.

Claims

1. An electrical connector, comprising an insulating body, a first terminal received in the insulating body, and a left shell and a right shell with the same structure shielding both sides of the insulating body, the insulating body is provided with a pair of side walls extending longitudinally, a pair of end walls connecting the longitudinal ends of the pair of side walls and extending transversely, a bottom wall, and a docking portion and a docking cavity located inside the side walls and the end walls, the docking cavity is used to accommodate a docking end electrical connector, characterized in that the electrical connector also includes a pair of narrow and long shielding doors and spring members connected to the two ends of the shielding doors, and the longitudinal ends of the shielding doors are provided with a first guide shaft connected to the spring member and a second guide shaft mounted on the top of the end wall;

The electrical connector further comprises a stopper for limiting the spring member, wherein the stopper is provided with a top arm located directly above the first guide shaft and the second guide shaft;

The length of the first guide shaft is greater than that of the second guide shaft, and the first guide shaft is connected to the top of the spring member;

The stopper is in an inverted U shape and is provided with side arms extending downward from both ends of the top arm, and the side arms are inserted into the side walls of the insulating body to achieve positioning;

The left shell and the right shell are respectively covered on the pair of side walls, and the longitudinal ends of the left shell and the right shell are provided with bending parts, and the bending parts cover the outer surface of the end wall of the insulating body;

The bending portion is also provided with an inwardly folded inner flap, the inner flap having a blocking portion and a limiting portion extending downward from the blocking portion, the blocking portion being U-shaped and blocking the outer side of the first guide shaft in the horizontal direction;

Two guide grooves for accommodating the spring member are provided on each end wall of the insulating body. The guide grooves extend perpendicularly to the bottom wall and are connected to the docking cavity in the insulating body. The limiting portion blocks the outside of the guide grooves and limits the spring member in the guide grooves.

2 . The electrical connector according to claim 1 , wherein the limiting portion is located inside the bending portion and is arranged parallel to the bending portion.

3. The electrical connector according to claim 2, characterized in that: a separation portion protruding upward is provided on the top of the end wall, and the separation portion is located between the bending portion of the left shell and the bending portion of the right shell.

4 . The electrical connector according to claim 3 , wherein the isolation portion extends upward beyond the stopper and is located outside the stopper.

5. An electrical connector assembly, characterized in that it comprises the electrical connector according to any one of claims 1 to 4.

6. The electrical connector assembly according to claim 5 is characterized in that: the electrical connector assembly also includes a mating end electrical connector, the mating end electrical connector includes an insulating base and a second terminal accommodated in the insulating base, the insulating base is provided with a pair of oppositely arranged side walls and a tongue portion located between the two side walls, and the inner surface of the side wall is inclined.

7. The electrical connector assembly according to claim 6, wherein an I-shaped inner wall is provided in the tongue portion, and the second terminal is received in the tongue portion.

8 . The electrical connector assembly according to claim 7 , wherein the second terminal comprises a first U-shaped portion, a second U-shaped portion, a third U-shaped portion and a fourth U-shaped portion which are integrally connected.

9. The electrical connector assembly according to claim 8, characterized in that the second U-shaped portion is arranged adjacent to the first U-shaped portion, the third U-shaped portion is arranged adjacent to the second U-shaped portion, and the fourth U-shaped portion is arranged adjacent to the third U-shaped portion, and the openings of the third U-shaped portion and the fourth U-shaped portion are oriented in opposite directions.

10. The electrical connector assembly according to claim 9, wherein the first U-shaped portion protrudes out of the surface of the tongue portion to engage with the first terminal, and a welding foot extending out of the tongue portion is provided at a distal end of the fourth U-shaped portion.