CN110808500A

CN110808500A - Electric connector and electric connector combination

Info

Publication number: CN110808500A
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: 2020-02-18

Abstract

The invention provides an electric connector which comprises an insulating body, a first terminal accommodated in the insulating body and a shielding assembly covering the insulating body, wherein the insulating body is provided with a side wall extending longitudinally, end walls connected to the longitudinal two ends of the side wall, and a butt joint part and a butt joint cavity which are positioned on the inner sides of the side wall and the end walls, the shielding assembly comprises a pair of elongated 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 at the tops of the end walls. Compared with the prior art, the dustproof capacity of the electric connector is improved through the arrangement of the shielding assembly, the shielding assembly is made of metal materials and can be contacted with and opened from the shielding door at the first time in the butt joint process, and the smoothness of opening and closing of the shielding door can be improved through the arrangement of the spring and the stop piece.

Description

Electric connector and electric connector combination

Technical Field

The invention relates to the technical field of electrical connection, in particular to an electrical connector and an electrical connector combination.

Background

In the field of consumer electronics, electrical connectors are widely used in digital products such as computers and mobile phones, and serve as carriers for electrical signal transmission, and the quality of the electrical connectors has great influence on the quality of the signal transmission. With the popularization of high frequency transmission, the signal transmission rate of the present day has been greatly improved, the high frequency transmission has a high requirement for the stability of signals, and in order to prevent external interference or mutual interference of internal signals, the prior art generally optimizes the structure of an electrical connector to reduce signal interference. There are various factors that affect the quality of signal transmission, such as: interference from external interference signals, or internal contact failure between signal terminals. In order to avoid similar circumstances, many connectors are provided with door part at present, it improves the ground connection of connector and dirt-proof function with shielding the casing jointly, the dustproof function of door part has the application on more connectors, it can effectively reduce inside entering connector such as dust dirt, thereby influence the transmission quality of signal, but current door part design is more complicated, its smooth and easy degree of opening and closing process is not ideal enough, the stability of long-term back structure of using is not good, and more complicated door part has all brought not little trouble to the installation and the dismantlement of connector, influence production efficiency.

Therefore, there is a need to provide a new electrical connector to solve the above-mentioned technical problems.

Disclosure of Invention

The present invention provides an electrical connector and an electrical connector assembly to solve the problems of complex structure and low efficiency in the prior art.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides an electric connector, include insulator, accept in insulator first terminal and shade in last subassembly and the casing of sheltering from of insulator, insulator is equipped with the lateral wall of longitudinal extension, connects the end wall at the vertical both ends of lateral wall and is located the inboard butt joint portion of lateral wall and end wall and butt joint chamber, shelter from the subassembly including a pair of long and narrow type shelter from the door and connect in shelter from the spring part at door both ends, the vertical both ends that shelter from the door are equipped with the first guiding axle of being connected with the spring part and erect in the second guiding axle at end wall top.

Further, it still includes spacingly to shelter from the subassembly the stopper of spring part, the stopper is equipped with the top arm that is located directly over first leading-in axle and the second leading-in axle.

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

Furthermore, the stop piece is in 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.

Furthermore, 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 longitudinal two ends of the left shell and the right shell, and the bending parts cover the outer surface of the end wall of the insulating body.

Furthermore, the bending part is further provided with an inward turning piece which is turned inwards, the inward turning piece is provided with a stopping part and a limiting part extending downwards from the stopping part, and the stopping part is U-shaped and abuts against the outer side of the first guide shaft in the horizontal direction.

Furthermore, each end wall of the insulating body is provided with two guide grooves for accommodating the spring element, the guide grooves are communicated with a butt joint cavity in the insulating body, and the limiting parts are blocked at the outer sides of the guide grooves and limit the spring element in the guide grooves.

Furthermore, the limiting part is positioned on the inner side of the bending part and is arranged in parallel with the bending part.

Furthermore, the top of the end wall is provided with an isolating part which protrudes upwards, and the isolating part is arranged between the bending part of the left shell and the bending part of the right shell.

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

The invention also adopts the following technical scheme: an electrical connector assembly comprising an electrical connector as previously described.

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

Furthermore, 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 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.

Furthermore, the second U-shaped part is adjacent to the first U-shaped part, the third U-shaped part is adjacent to the second U-shaped part, the fourth U-shaped part is 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.

Furthermore, 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 dustproof capacity of the electric connector is improved through the arrangement of the shielding assembly, the shielding assembly is made of metal materials and can be contacted with and opened from the shielding door at the first time in the butt joint process, and the smoothness of opening and closing of the shielding door can be improved through the arrangement of the spring and the stop piece.

Drawings

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

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

Fig. 8 is a perspective view of the insulating 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 held in the insulative housing 10, a housing 30 mounted on the insulative housing 10, and a shielding member 40 covering 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 with the end walls 12, so that the side walls 11, the end walls 12 and the bottom wall 13 together form a mating cavity 14 for accommodating a mating end electrical connector 200. The bottom wall 13 is provided with a docking portion 15 protruding into the docking cavity 14, the docking portion 15 is lower than the end wall 12 and the side wall 11 and is used for accommodating the first terminal 20, a top surface 150 of the docking portion 15 is a flat surface, the docking portion 15 extends longitudinally, and two longitudinal ends of the top surface 150 are provided with recesses 151 for matching with the protrusions 212 of the docking-end 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 for the mating electrical connector 200 to pass through and be inserted into the mating cavity 14.

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

The housing 30 includes a left housing 31 and a right housing 32 respectively wrapped on the two side walls 11, the left housing 31 and the right housing 32 have the same structure, and extend along the length direction of the side walls 11 and cover the outer wall surfaces of the side walls 11, meanwhile, the longitudinal ends of the left housing 31 and the right housing 32 are provided with bending portions 33, the bending portions 33 cover the outer surface of the end wall 12 of the insulating body 10, as shown in fig. 2, the top of the bending portion 33 is provided with inward-folded inner-folded pieces 34, the inner-folded pieces 34 are provided with blocking portions 35 and limiting portions 36 extending downwards from the blocking portions 35, the blocking portions 35 are U-shaped and abut against the blocking component in the horizontal direction, and the limiting portions 36 are located inside the bending portions 33 and parallel to the bending portions 33. The bending part 33 of the left shell 31 and the bending part 33 of the right shell 32 both cover the outer surface of the end wall 12, the top of the end wall 12 is provided with an isolating part 17 protruding upwards, and the isolating part 17 is arranged between the bending part 33 of the left shell 31 and the bending part 33 of the right shell 32 and used for isolating the left and right shells 31 and 32 and realizing certain limiting 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 stopper 43 located above the spring member 42, wherein the shielding doors 41, the spring member 42, and the stopper 43 are made of metal, and the two shielding doors 41 are located above the docking portion 15, and can shield the docking frame opening 16 in a tiled state, so as to prevent external dust from entering the docking chamber 14 and causing pollution, and meanwhile, since the shielding doors are made of metal, the shielding assembly has a certain function of shielding an interference signal, and can be firstly conducted with the docking end electrical connector 200 before the docking end electrical connector 200 is inserted into the docking chamber 14, thereby achieving a grounding function. Each of the two ends of the shielding door 41 is provided with a pair of guiding shafts, namely a first guiding shaft 44 and a second guiding shaft 45, as shown in fig. 6, the shielding door 41 is erected on the top of the two end walls 12 of the opposite insulation body 10 through the first guiding shaft 44 and the second guiding shaft 45 at the two ends thereof in a closed state, the two guiding shafts are adjacently arranged, wherein the length of the first guiding shaft 44 is greater than that of the second guiding shaft 45, and the first guiding shaft 44 is connected with the top of the spring member 42 and can be used for pushing and pressing the spring member 42 downwards. The spring element 42 is accommodated in the end wall 12 of the insulating body 10 and located inside the limiting portion 36 of the inward-turning piece 34, the spring element 42 is located below the U-shaped abutting portion 35, and the bottom of the spring element 42 is located on the bottom wall 13 of the insulating body 10, so that the spring element 42 is limited in the vertical direction and the horizontal direction, and does not shift in position when being extended and retracted, thereby ensuring that the shielding door 41 can be opened and closed smoothly. It should be noted that, in order to better limit the spring element 42, two guide grooves 18 for accommodating the spring element 42 are provided on each end wall 12 of the insulating main body 10, the guide grooves 18 extend perpendicular to the bottom wall 13, and the guide grooves 18 are communicated with the docking cavity 14 in the insulating main 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 contacts the shutter door 41 before entering the mating cavity 14, the shutter door 41 is turned over after being pushed, and one side of the shutter door 41 falls downward into the mating cavity 14, and the spring member 42 is compressed by the downward force in the whole process. When the two shutters 41 are turned over, the docking chamber 14 is opened to accommodate the access of the docking end electrical connector 200.

In order to prevent the spring 42 from separating from the shielding door 41 or the shielding door 41 from falling off the insulating body 10 during the releasing process, the stopper 43 of the present invention is disposed above the end wall 12 and is shielded directly above the two

guide shafts

44, 45 to limit the

guide shafts

44, 45 so as to block the shielding door 41 in the vertical direction, in a preferred embodiment, the stopper 43 is in an inverted U shape and has a top arm 46 and side arms 47 extending downward from two ends of the top arm 46, the top arm 46 is located directly above the

guide shafts

44, 45, and the side arms 47 are inserted into the side walls 11 of the insulating body 10 to achieve the positioning. In addition, in order to fix the stopper 43 better, the stopper 43 is disposed inside the isolation portion 17, so that the stopper 43 is restricted by the isolation portion 17 and cannot be shifted outward.

In addition, the electrical connector 200 of the butt end abutting against 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 side walls 203 oppositely arranged and a tongue portion 204 located between the two side walls 203, an inner surface 205 of the side wall 203 is inclined, an i-shaped inner wall 206 is provided in the tongue portion 204, the second terminal 202 is accommodated in the tongue 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, wherein the first U-shaped portion 207 protrudes out of the surface of the tongue portion 204 for abutting against the first terminal 20 of the electrical connector 100 of the present invention, the second U-shaped portion 208 is disposed adjacent to the first U-shaped portion 207, the third U-shaped portion 209 is disposed adjacent to the second U-shaped portion 208, and the fourth U-shaped portion 210 is disposed adjacent to the third U-shaped portion 209, and the third U-shaped portion 209 and the fourth U-shaped portion 210 have opposite openings, the end of the fourth U-shaped portion 210 is provided with a solder leg 211 extending beyond the tongue portion 204, whereby it can be seen that the first U-shaped portion 207 is located on the mating side of the second terminal 202 for mounting the second terminal 202 to a circuit board (not shown), and the fourth U-shaped portion 210 is located on the mounting side of the second terminal 202 for mating the second terminal 202 with the first terminal 20.

In summary, the electrical connector 100 of the present invention improves the dust-proof capability of the electrical connector by the arrangement of the shielding component 40, and the shielding component 40 is made of metal material, so that the shielding door can be contacted and opened at the first time in the docking process, and the shielding component 40 can improve the smoothness of opening and closing of the shielding door by the arrangement of the spring and the stop member.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can make many variations and modifications of the present invention without departing from the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides an electric connector, include insulator, accept in insulator first terminal and shade in last subassembly and the casing of sheltering from of insulator, insulator is equipped with the lateral wall of longitudinal extension, connects the end wall at the vertical both ends of lateral wall and is located the inboard butt joint portion of lateral wall and end wall and butt joint chamber, a serial communication port, shelter from the subassembly and include a pair of long and narrow type shelter from the door and connect in shelter from the spring part at door both ends, the vertical both ends that shelter from the door are equipped with the first guiding axle of being connected with the spring part and erect in the second guiding axle at end wall top.

2. The electrical connector of claim 1, wherein: the shielding assembly further comprises a limiting part of the spring piece, and the limiting part is provided with a top arm located right above the first guide shaft and the second guide shaft.

3. The electrical connector of claim 2, wherein: the first guide shaft is longer than the second guide shaft, and the first guide shaft is connected to the top of the spring member.

4. The electrical connector of claim 3, wherein: the stop piece is in 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.

5. The electrical connector of claim 4, wherein: 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 longitudinal two ends of the left shell and the right shell, and the bending parts cover the outer surface of the end wall of the insulating body.

6. The electrical connector of claim 5, wherein: the bending part is further provided with an inward turning piece which is turned inwards, the inward turning piece is provided with a resisting part and a limiting part which extends downwards from the resisting part, and the resisting part is U-shaped and is resisted at the outer side of the first guide shaft in the horizontal direction.

7. The electrical connector of claim 6, wherein: each end wall of the insulating body is provided with two guide grooves for containing the spring element, the guide grooves are communicated with a butt joint cavity in the insulating body, and the limiting parts are blocked at the outer sides of the guide grooves and limit the spring element in the guide grooves.

8. The electrical connector of claim 7, wherein: the limiting part is positioned on the inner side of the bending part and is arranged in parallel with the bending part.

9. The electrical connector of claim 8, wherein: and the top of the end wall is provided with an isolating part which protrudes upwards, and the isolating part is arranged between the bending part of the left shell and the bending part of the right shell.

10. The electrical connector of claim 9, wherein: the isolation portion extends upward beyond the stopper and is located outside the stopper.

11. An electrical connector assembly comprising an electrical connector according to any one of claims 1 to 9.

12. The electrical connector assembly of claim 11, wherein: the electric connector assembly further comprises a butt-joint end electric connector, the butt-joint end electric connector comprises an insulating base body and a second terminal contained in the insulating base body, the insulating base body is provided with a pair of side walls which are arranged oppositely and a tongue plate portion located between the two side walls, and the inner surfaces of the side walls are inclined.

13. The electrical connector assembly of claim 12, wherein: an I-shaped inner wall is arranged in the tongue plate part, and the second terminal is accommodated in the tongue plate part.

14. The electrical connector assembly of claim 13, wherein: 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.

15. The electrical connector assembly of claim 14, wherein: the second U-shaped part is adjacent to the first U-shaped part, the third U-shaped part is adjacent to the second U-shaped part, the fourth U-shaped part is 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.

16. The electrical connector assembly of claim 15, wherein: 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.