CN217691834U - Electrical connector - Google Patents

Abstract

The utility model provides an electric connector, it has insulator, is fixed in a plurality of conductive terminals in the insulator, snap close piece and cladding in the outer casing that shields of insulator, insulator has the accommodating space that can supply to dock the socket connector forward and reverse grafting and is located the installation department of its rear end, conductive terminal includes and is two rows of first terminal group and the second terminal group that sets up along the direction of height, the installation department suddenly expose in shield the rear end of casing off-plate, conductive terminal inserts forward from the back in the insulator, just conductive terminal have suddenly expose in the installation department is with the welding part with cable or electronic component machinery and electric connection. The utility model discloses electric connector not only can positive and negative insert, can also transmit the heavy current.

Description

Electrical connector

Technical Field

The utility model relates to an electric connector.

Background

With the rapid development of science and technology in the electronic industry, the volume of electronic products is developed along the trend of being thinner, thinner and shorter, which requires smaller and smaller components of the electronic products, and the connector industry is the first place.

This results in better mechanical performance requirements and higher product design difficulties due to the smaller size requirements of the new generation of USB Type-C connectors. In order to face thinner and thinner equipment and ensure the reliability of a product structure, various manufacturers have proposed corresponding structural designs.

In the conventional USB Type-C plug connector, two terminal assemblies are usually formed on conductive terminals in an injection molding manner, and then the two terminal assemblies and a front body are assembled into a whole, so that the manufacturing process is complex and tolerance accumulation is likely to occur to cause poor products; and traditional USB Type-C plug connector can not transmit great electric current usually, can not satisfy the application demand. In addition, the conventional USB Type-C plug connector usually requires a circuit board for switching to achieve electrical connection between the conductive terminals and the cable, so that not only additional circuit boards are required, but also the manufacturing and assembling processes are complicated.

In view of the above, there is a need for an improved electrical connector to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric connector that is suitable for transmission heavy current, can just need not the circuit board switching and can link to each other with the cable by positive and negative inserting.

In order to realize the above-mentioned utility model purpose, the utility model provides an electric connector, it has insulator, is fixed in a plurality of conductive terminal, snap close piece and cladding in insulator outer shielding shell, insulator has the accommodating space that can supply to peg graft the socket connector forward and reverse and is located the installation department at its rear end, conductive terminal includes first terminal group and the second terminal group that is two rows of settings along the direction of height, the installation department suddenly expose in shield the rear end off-plate of shell, conductive terminal inserts forward from the back in insulator, just conductive terminal has suddenly in the installation department is with the welding part with cable or electronic component machinery and electric connection.

As a further improvement of the present invention, the first and second terminal groups are equally provided with a pair of ground terminals and a pair of power terminals, the pair of ground terminals are located at the outermost side of the first terminal group or the second terminal group, respectively, the power terminals are located adjacent to the inner sides of the ground terminals, and the ground terminals and the welding portions of the power terminals which are adjacently located are connected to one electronic component.

As a further improvement of the present invention, the welding portions of the ground terminal and the power supply terminal which are adjacently disposed protrude toward directions close to each other to be connected to the same electronic component.

As a further improvement of the present invention, a pair of ground terminals in the first terminal group respectively with the second terminal group in along the corresponding ground terminal an organic whole of direction of height corresponding constitute disjunctor ground terminal, each disjunctor ground terminal is including the first connecting portion that are the U-shaped, first connecting portion have first flat portion and set up relatively in a pair of both sides of first flat portion on the direction of height the weld part, wherein one side the weld part is used for linking to each other, the opposite side with the cable the weld part is used for linking to each other with electronic component.

As a further improvement of the present invention, each of the integrated grounding terminals has a pair of elastic contact arms oppositely disposed along the height direction and protruding into the accommodating space and a fixing portion fixed in the insulating body, each of the pair of elastic contact arms and the fixing portion of the integrated grounding terminal is in a two-to-one correspondence relationship, and is connected to form a tuning fork structure with a forward opening.

As a further improvement of the present invention, a pair of power terminals in the first terminal group are connected to a power terminal in the second terminal group along the height direction, respectively, to form an integrated power terminal, one of which is provided with a second connecting portion and another connecting portion in an L shape, the integrated power terminal is provided with a third connecting portion in a U shape, and the second connecting portion and the third connecting portion are connected to each other through a linking portion in a flat plate shape.

As a further improvement of the utility model, it is a pair of the hasp piece sets up independently each other, and set up relatively in conductive terminal is in the ascending both sides of transverse direction, each the hasp piece has the basal portion, is located the hasp arm of its front end and certainly the welding part that the basal portion formed in the ascending side bending of direction of height, the welding part of hasp piece extends along transverse direction in order to be connected with the cable.

As a further improvement of the present invention, each of the locking members further has a protrusion formed by protruding from the base portion in the lateral direction toward the outer side of the electrical connector, the protrusion at least partially protrudes from the rear side of the shielding housing and is welded to the shielding housing.

As a further improvement, in the height direction, the welding part of the pair of locking parts is located the same side of the installation part, just the conductive terminal is located the welding part of the same side for connecting with the cable.

As a further improvement, the direction of the welding part orientation of a pair of lock catch pieces is close to adjacent ground terminal and extends, and is adjacent the extending direction of the welding part of ground terminal is the same.

The utility model has the advantages that: the utility model discloses electric connector can with the butt joint connector positive reverse grafting, and need not the circuit board switching and can link to each other with the cable, so not only simple structure, equipment convenience can also realize the transmission of heavy current.

Drawings

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

Fig. 2 is a view of the electrical connector of fig. 1 from another perspective.

Fig. 3 is a partially exploded view of the electrical connector shown in fig. 1.

Fig. 4 is a partially exploded view of the electrical connector of fig. 3 with the shutter housing removed.

Fig. 5 is a view of the electrical connector of fig. 4 from another perspective.

Fig. 6 is an exploded perspective view of the electrical connector shown in fig. 4 with the shielding shell and the insulating body removed.

Fig. 7 is a perspective view of the one-piece power terminal of the electrical connector shown in fig. 4.

Fig. 8 is a perspective view of a part of the structure of the second embodiment of the electrical connector of the present invention.

Fig. 9 is a perspective view of the electrical connector of fig. 8 with the dielectric body removed.

Fig. 10 is a perspective view of the electric connector according to the third embodiment of the present invention after the shielding shell and the insulating body are removed.

Fig. 11 is a perspective view of the electric connector according to the fourth embodiment of the present invention after the shielding shell and the insulating body are removed.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiment, and structural, method, or functional changes made by those skilled in the art according to the present invention are all included in the scope of the present invention.

Please refer to fig. 1 to 7 for the first embodiment of the electrical connector 100 of the present invention, fig. 8 and 9 for the second embodiment of the electrical connector 100 of the present invention, fig. 10 for the third embodiment of the electrical connector 100 of the present invention, fig. 11 for the fourth embodiment of the electrical connector 100 of the present invention, in the present invention, the electrical connector 100 includes an insulator 1, is fixed in a plurality of conductive terminals 2, a locking member 3 in the insulator 1, and covers the housing 4 outside the insulator 1.

The housing 1 has a receiving space 120 for a docking connector (not shown) to be inserted in a forward and reverse direction and a mounting portion 13 at a rear end thereof.

Specifically, insulator 1 has main part 11, set up in the butt joint portion 12 in main part 11 the place ahead and be located main part 11 rear and outside salient installation department 13, wherein main part 11 and butt joint portion 12 are oval column setting on the whole, the inboard of butt joint portion 12 is formed with the accommodation space 120 of the open setting forward to supply to connect socket connector forward or reverse the insertion, installation department 13 expose in shield shell 4's rear end off-plate.

The insulating body 1 is provided with a plurality of terminal slots 10 running through along the front-back direction, and the portions of the terminal slots 10 located in the butting portion 12 are arranged side by side along the transverse direction of the electrical connector 100. Each terminal groove 10 extends forward from the rear end face of the insulation body 1, and the terminal groove 10 extends forward to the inner side of the butt joint part 12 and communicates with the accommodating space 120.

The two sides of the insulating body 1 are respectively provided with a pair of holding grooves 14 extending along the front-back direction, and a pair of the holding grooves 14 are symmetrically arranged at the two side portions of the insulating body 1, and are respectively recessed forward from the rear end surface of the mounting portion 13 to the inside of the butting portion 12 and communicated with the accommodating space 120.

Referring to fig. 3 to 8, the conductive terminals 2 include a first terminal set 21 and a second terminal set 22 (i.e., upper and lower rows of conductive terminals) arranged in two rows along a height direction, and the first terminal set 21 and the second terminal set 22 are arranged in a reverse direction and correspond to each other. The positions of the mating portions of the first terminal set 21 and the second terminal set 22 in the insulative housing 1 are the same as the positions of the mating portions of the corresponding terminals in the standard USB Type-C plug connector.

The conductive terminal 2 is inserted into the insulating body 1 from the back to the front, and the conductive terminal 2 has a soldering portion 201 exposed out of the mounting portion 13 for mechanically and electrically connecting with a cable (not shown) or an electronic component 5.

In addition, the mounting portion 13 of the insulating body 1 has a plurality of barriers 131 arranged along the height direction, and the adjacent welding portions 201 are separated from each other by the barriers 131.

The first and second terminal groups 21, 22 are each provided with a pair of ground terminals 23 and a pair of power terminals 24, the pair of ground terminals 23 are respectively located at the outermost sides of the first terminal group 21 or the second terminal group 22, the power terminals 24 are located at the inner sides of the adjacent ground terminals 23, and the adjacent ground terminals 23 and the soldering portions 201 of the power terminals 24 are connected to one electronic component 5 in common.

The soldering portions 201 of the ground terminal 23 and the power terminal 24 disposed adjacently project toward each other to be connected to the same electronic component 5. In the present invention, the conductive terminal 2 of the electrical connector 100 is connected to two electronic components 5, and the two electronic components 5 are connected to the same side of the electrical connector 100 in the height direction.

The pair of ground terminals 23 in the first terminal group 21 are respectively integrally connected with the ground terminals 23 in the second terminal group 22 corresponding to each other in the height direction to form a connected ground terminal, each connected ground terminal includes a U-shaped first connection portion 231, the first connection portion 231 includes a first flat portion 2312 and a pair of the soldering portions 201 oppositely disposed on both sides of the first flat portion 2312 in the height direction, wherein the soldering portion 201 on one side is used for being connected with a cable, and the soldering portion 201 on the other side is used for being connected with an electronic component 5.

The first flat plate portion 2312 is placed in a vertical direction, that is, it is disposed perpendicular to a horizontal center plane of the electrical connector 100, and the two soldering portions 201 connected to the first flat plate portion 2312 are located on the same side of the first flat plate portion 2312 in a lateral direction.

The first connecting portions 231 of the two integral ground terminals are oppositely arranged, that is, the openings of the first connecting portions 231 are arranged toward each other.

Each of the integrated ground terminals has a pair of elastic contact arms 231 oppositely arranged along the height direction and protruding into the receiving space 120, and a holding portion 232 fixed in the insulating body 1, and the pair of contact arms 231 and the holding portion 232 of each of the integrated ground terminals are in a two-to-one correspondence relationship and connected to form a tuning fork structure with a forward opening.

The pair of power terminals 24 in the first terminal group 21 are respectively connected with the power terminals 24 corresponding to the second terminal group 22 in the height direction integrally to form a one-piece power terminal, one of the one-piece power terminals has an L-shaped second connection portion 241, the other one of the one-piece power terminals has a U-shaped third connection portion 242, and the second connection portion 241 and the third connection portion 242 are connected by a flat plate-shaped connection portion 243. Meanwhile, the engagement portions 243 are located between the soldering portions 201 of the two rows of conductive terminals 2 in the height direction.

The second connecting portion 241 has a second flat plate portion 2412 and one of the welding portions 201 provided perpendicularly to the second flat plate portion 2412; the third connecting part 242 has a third flat plate part 2421 and a pair of the welding parts 201 arranged perpendicular to the third flat plate part 2421, and the pair of the welding parts 201 connected to the third flat plate part have different extension lengths in the front-rear direction, one of the welding parts 201 extends rearward and is flush with the rear end surface of the engagement part 243, and the other welding part 201 is located at the front side of the engagement part 243.

The conductive terminals 2 are assembled into the corresponding terminal slots 10 of the insulating body 1 from the back to the front, and the contact arms 231, 241, 251, 261 of each conductive terminal 2 are exposed in the receiving space 120 to contact with the mating connector.

Referring to fig. 3 to 7, in the first embodiment of the present invention, the first terminal set 21 and the second terminal set 22 respectively further have USB 2.0 signal terminals located between a pair of power terminals 24, specifically, one of the first terminal set 21 and the second terminal set 22 further has a detecting terminal 25 (CC 1) located inside the power terminals 24 (for detecting the function of inserting the plug and identifying the CABLE) and a pair of signal terminals 26 for transmitting the low-speed signal, and the other of the first terminal set 21 and the second terminal set 22 can also set corresponding conductive terminals on the standard USB Type-C plug connector according to the use requirement. In the present embodiment, the first terminal set 21 has 7 conductive terminals, wherein the detection terminal 25 and the pair of signal terminals 26 are disposed; the second terminal set 22 is provided with 5 conductive terminals in total, and is provided with one detecting terminal 25.

Referring to fig. 8 and 9, in the second embodiment of the electrical connector 100 of the present invention, the number and arrangement of the terminals of the first terminal set 21 and the second terminal set 22 are the same as those of the first embodiment, and the difference is only that: in the first embodiment shown in fig. 1 to 7, the detecting terminals 25 of the two rows of conductive terminals are arranged independently from each other; in the second embodiment shown in fig. 8 and 9, the detecting terminals 25 of the two rows of conductive terminals are connected to each other by the soldering portions 201 thereof.

Referring to fig. 10 and 11, in the third and fourth embodiments of the electrical connector 100 of the present invention, the arrangement of the conductive terminals of the first terminal set 21 and the second terminal set 22 is the same as that of the first embodiment, except that the electrical connector 100 in the third and fourth embodiments does not have a pair of signal terminals 26 for transmitting low-speed signals in the first embodiment; that is, in addition to the ground terminal 23 and the power terminal 24, each of the first terminal set 21 and the second terminal set 22 further has a detecting terminal 25, that is, the first terminal set and the second terminal set have five conductive terminals.

The utility model discloses in, some conductive terminals in the first terminal group 21 and the corresponding conductive terminal in the second terminal group 22 (also ground terminal 23 and power supply terminal 24) are integrative continuous constitution disjunctor terminal respectively, and during the equipment, in the conductive terminal in first, the second terminal group 21, 22 can be assembled simultaneously and get into insulator 1, bring very big convenience for the equipment.

Referring to fig. 1 to 6, the locking members 3 are made of metal, and a pair of the locking members 3 are disposed independently and oppositely on two sides of the conductive terminal 2 in the transverse direction. Each of the locking pieces 3 has a base 31, a locking arm 32 at the front end thereof, and a welding portion 34 formed by bending from one side of the base 31 in the height direction, and the welding portion 34 of the locking piece 3 extends in the transverse direction to connect with a cable.

Each of the latch arms 32 has a latch portion 321 at its front end and bulging out toward the other latch arm 32, and in the present embodiment, the latch member 3 is vertically placed as a whole, and its base 31 is a plate-like structure placed in the vertical direction.

Each of the latches 3 further has a protrusion 35 formed by protruding from the base 31 in a lateral direction toward an outer side of the electrical connector 100, and the protrusion 35 at least partially protrudes from the rear side of the shielding shell 4 and is welded to the shielding shell 4. The locking piece 3 further has a catch 36 formed to protrude from the base 31 in the inner side direction in the lateral direction for fitting fixation with the insulative housing 1.

In the height direction, the welding portions 34 of the pair of locking members 3 are located on the same side of the mounting portion 13, and the welding portions 34 of the conductive terminals 2 located on the same side are used for connecting with a cable. The soldering portions 34 of the pair of locking pieces 3 extend in a direction approaching the adjacent ground terminals 23, and the extending direction is the same as that of the soldering portions 201 of the adjacent ground terminals 23.

Generally, the soldering portions 201 of the conductive terminals 2 are divided into two rows arranged along the height direction and exposed at the rear side of the mounting portion 13 of the insulative housing 1.

When the locking piece 3 is assembled into the insulative housing 1, the locking piece 3 is assembled into the holding grooves 14 on both sides of the insulative housing 1 from the back to the front, the locking arm 32 extends from the front end of the base 31 to the receiving space 120, and the locking portion 321 is locked and held with the mating connector in the receiving space 120.

Referring to fig. 1 to 3, the front end of the shielding shell 4 has an oval mating frame opening, which is consistent with the mating frame opening of a standard USB Type-C plug connector, and is used for mating with a plug connector in a forward and reverse insertion manner, and has the advantage of convenience in use due to both the forward and reverse insertion. During assembly, the shielding shell 4 is sleeved on the outer side of the insulating body 1 from front to back, and covers the main body 11 and the abutting portion 12.

The utility model discloses an electric connector 100 can with the butt joint connector positive and negative grafting, and need not the circuit board switching and can link to each other with the cable, so not only simple structure, equipment convenience can also realize the transmission of heavy current.

Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that various modifications and equivalent arrangements can be made without departing from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides an electric connector, its have insulator, be fixed in a plurality of conductive terminal, snap close piece in the insulator and cladding in the outer casing that shields of insulator, insulator has the accommodating space that can supply to dock the socket connector forward and reverse grafting and is located the installation department of its rear end, conductive terminal includes and is two rows of first terminal group and the second terminal group that set up along the direction of height, its characterized in that: the mounting part is exposed out of the rear end surface of the shielding shell, the conductive terminal is inserted into the insulating body from back to front, and the conductive terminal is provided with a welding part which is exposed out of the mounting part and is mechanically and electrically connected with a cable or an electronic element.

2. The electrical connector of claim 1, wherein: the first terminal group and the second terminal group are respectively provided with a pair of grounding terminals and a pair of power terminals, the pair of grounding terminals are respectively positioned at the outermost sides of the first terminal group or the second terminal group, the power terminals are positioned at the inner sides of the adjacent grounding terminals, and the adjacent grounding terminals and the welding parts of the power terminals are connected to one electronic element together.

3. The electrical connector of claim 2, wherein: the soldering portions of the adjacent ground terminal and the power terminal protrude in a direction approaching each other to be connected to the same electronic component.

4. The electrical connector of claim 2, wherein: the pair of grounding terminals in the first terminal group are respectively and integrally connected with the grounding terminals corresponding to the second terminal group along the height direction to form connected grounding terminals, each connected grounding terminal comprises a U-shaped first connecting part, each first connecting part is provided with a first flat plate part and a pair of welding parts which are oppositely arranged on two sides of the first flat plate part in the height direction, the welding part on one side is used for being connected with a cable, and the welding part on the other side is used for being connected with an electronic element.

5. The electrical connector of claim 4, wherein: each of the conjoined grounding terminals is provided with a pair of elastic contact arms which are oppositely arranged along the height direction and protrude into the accommodating space and a fixing part fixed in the insulating body, and the pair of contact arms and the fixing part of each conjoined grounding terminal are in a corresponding relationship of two-to-one and are connected to form a tuning fork-shaped structure with a forward opening.

6. The electrical connector of claim 4, wherein: and a pair of power terminals in the first terminal group are respectively and integrally connected with power terminals corresponding to the second terminal group along the height direction to form a connected power terminal, wherein one connected power terminal is provided with an L-shaped second connecting part, the other connected power terminal is provided with a U-shaped third connecting part, and the second connecting part and the third connecting part are connected through a flat-plate-shaped connecting part.

7. The electrical connector of claim 1, wherein: the pair of locking parts are arranged independently and oppositely on two sides of the conductive terminal in the transverse direction, each locking part is provided with a base part, a locking arm positioned at the front end of the locking part and a welding part formed by bending one side of the base part in the height direction, and the welding part of the locking part extends in the transverse direction to be connected with a cable.

8. The electrical connector of claim 7, wherein: each locking piece is also provided with a protruding part which is formed by protruding from the base part to the outer side direction of the electric connector along the transverse direction, and the protruding part is at least partially exposed out of the rear side of the shielding shell and is welded with the shielding shell.

9. The electrical connector of claim 7, wherein: in the height direction, the welding parts of the pair of locking parts are positioned on the same side of the mounting part, and the conductive terminals are positioned on the welding parts on the same side and are used for being connected with the cable.

10. The electrical connector of claim 7, wherein: the welding parts of the locking parts extend towards the direction close to the adjacent grounding terminals, and the extending direction of the welding parts of the locking parts is the same as that of the adjacent grounding terminals.

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