CN110808501B

CN110808501B - Electrical connector and electrical connector assembly

Info

Publication number: CN110808501B
Application number: CN201810867156.8A
Authority: CN
Inventors: 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: 2025-02-18
Anticipated expiration: 2038-08-01
Also published as: CN110808501A

Abstract

The present invention provides an electrical connector and an electrical connector combination, wherein the electrical connector includes an insulating body and a shielding assembly mounted on the insulating body, wherein the insulating body has a bottom wall, a pair of side walls, a pair of end walls connected to the side walls, and a docking portion located inside the side walls and the end walls, wherein the shielding assembly includes a shielding door and a spring member, wherein the end walls are supported at both ends of the shielding door, and each end wall is provided with two guide grooves and an isolating portion between the two guide grooves, wherein each guide groove contains a spring member. Compared with the prior art, the present invention makes the installation of the shielding assembly simpler by improving the structure of the insulating body, and only requires the two ends of the shielding assembly to be simply matched with the end walls, which is conducive to improving the manufacturing and assembly efficiency.

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, and corresponding matching structures are required to be arranged on the insulating body, so that the structure of the insulating body is complicated, and the forming and assembling are not less troublesome, and 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 solves the technical problems of complex structure and low production efficiency in the prior art by providing an electric connector and an electric connector combination.

In order to solve the technical problems, the electric connector comprises an insulating body and a shielding assembly arranged on the insulating body, wherein the insulating body is provided with a bottom wall, a pair of side walls, a pair of end walls connected with the side walls and a butt joint part positioned on the inner sides of the side walls and the end walls, the shielding assembly comprises a shielding door and a spring piece, the end walls are supported at two ends of the shielding door, two guide grooves and a separation part arranged between the two guide grooves are arranged on each end wall, and the spring piece is contained in each guide groove.

Further, the bottom wall, the side wall and the end wall together form a butt joint cavity, and the guide groove extends to the bottom wall from top to bottom and is communicated with the butt joint cavity.

Further, the shielding assembly further comprises a stop piece pressed on the shielding door, and the isolation part protrudes upwards from the top surface of the end wall and is positioned outside the stop piece.

Further, the length extending direction of the abutting portion is parallel to the length extending direction of the side wall, and two rows of terminal holes are formed in the top surface of the abutting portion.

Further, the top surface of the abutting portion is provided with a concave portion located between the two rows of terminal holes, and the concave portion is located at two longitudinal ends of the abutting portion.

Further, both sides of the abutting portion are provided with inclined guide surfaces facing the side walls.

Further, the spring piece is vertically arranged in the guide groove, and first guide shafts connected with the spring piece are arranged at two ends of the shielding door.

Further, the two ends of the shielding door are further provided with second guide shafts supported on the end walls, and the length of the first guide shafts is larger than that of the second guide shafts.

The invention also adopts the following technical scheme that the electric connector assembly comprises the electric connector as set forth in any one of the above, and further comprises a butt-joint end electric connector, wherein the butt-joint end electric connector comprises an insulating base body and a terminal accommodated in the insulating base body, the insulating base body is provided with a tongue plate part which is in butt joint with the butt joint part, and the 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.

Compared with the prior art, the invention has the advantages that the installation of the shielding component is simpler by improving the structure of the insulating body, and the two ends of the shielding component and the end wall are only required to be matched with each other simply, so that the manufacturing and assembly efficiency is improved.

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 and has two rows of terminal holes 152, the mating portion 15 extends longitudinally, two sides of the mating portion 15 are provided with inclined guiding surfaces 153 facing the side wall 11, so as to facilitate opening or closing of the shielding assembly 40, and two longitudinal ends of the top surface 150 are provided with recesses 151 for being matched with the protrusions 212 of the electrical connector 200 at the mating end, 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 shell 30 includes a left shell 31 and a right shell 32 respectively coated on the two side walls 11, the left shell 31 and the right shell 32 have the same structure, are extended and distributed along the length direction of the side walls 11 and cover the outer wall surfaces of the side walls 11, meanwhile, the two longitudinal ends of the left shell 31 and the right shell 32 are provided with bending parts 33, the bending parts 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 parts 33 is provided with inward turned-over sheets 34, the inward turned-over sheets 34 are provided with resisting parts 35 and limiting parts 36 extending downwards from the resisting parts 35, the resisting parts 35 are in a U shape, the opening of the resisting parts is arranged outwards to resist the shielding assembly in the horizontal direction, the limiting parts 36 are positioned inside the bending parts 33 and are arranged in parallel to the bending parts 33, the bottom of the bending parts 35 are supported on the bottom wall 13 of the insulating body, and the bottom ends of the limiting parts 36 do not extend to the bottom wall 13 of the insulating body 10 to form a free end 360. 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.

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 shielding assembly mounted on the insulating body, wherein the insulating body has a bottom wall, a pair of side walls, a pair of end walls connected to the side walls, and a butt joint located inside the side walls and the end walls, the shielding assembly comprises a shielding door and a spring member, characterized in that the end walls are supported at both ends of the shielding door, and each end wall is provided with two guide grooves and a separation portion between the two guide grooves, and each guide groove contains a spring member;

The first terminal is fixed in the docking portion, and the top of the first terminal is exposed to the top surface of the docking portion;

The bottom wall, the side wall and the end wall together form a docking cavity for accommodating a docking end electrical connector, and the guide groove extends from top to bottom to the bottom wall and passes through the docking cavity;

The shielding assembly further includes a stopper pressed on the shielding door, and the isolation portion protrudes upward from the top surface of the end wall and is located outside the stopper;

The length extension direction of the docking portion is parallel to the length extension direction of the side wall, and the top surface of the docking portion is provided with two rows of terminal holes; the top surface of the docking portion is provided with a recessed portion located between the two rows of terminal holes, and the recessed portion is located at both ends of the longitudinal direction of the docking portion; both sides of the docking portion are provided with inclined guide surfaces facing the side wall;

The spring member is vertically arranged in the guide groove, and first guide shafts connected to the spring member are provided at both ends of the shielding door; second guide shafts supported on the end wall are also provided at both ends of the shielding door, and the length of the first guide shaft is greater than that of the second guide shaft.

2. An electrical connector assembly, characterized in that it includes the electrical connector as described in claim 1, and the electrical connector assembly also includes a docking end electrical connector, the docking end electrical connector includes an insulating base and a terminal accommodated in the insulating base, the insulating base is provided with a tongue portion docking with the docking portion, and the terminal has a first U-shaped portion, a second U-shaped portion, a third U-shaped portion and a fourth U-shaped portion that are integrally connected.

3. The electrical connector assembly according to claim 2 is 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, 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.