TWM523201U - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to a connector, and more particularly to a USB Type C electrical connector.

In order to unify the connectors of different devices to improve the versatility of the connector, the Universal Serial Bus (USB) connector is the most common connector of the current computer, and the USB connector supports a plug-and-play external bus. USB connectors are currently used to connect a variety of peripheral devices, including speakers, phones, game sticks, printers, tablet devices, and cameras. With the popularity of USB connectors, USB connectors are currently widely used in the charging field in addition to data transmission.

With the development of the electronics industry, in order to make USB more popular in the application of different devices, and to solve the shortcomings of the conventional USB 2.0 plug connector to be inserted into the front and back, the new USB Type C connector will respond. Health.

The USB Type C connector typically includes a terminal block and upper and lower rows of conductive terminals disposed in the terminal block. As the transmission speed of the signal increases, the upper and lower rows of conductive terminals spaced apart from each other and are arranged in parallel are susceptible to high frequency interference during transmission. Therefore, in view of the above problems, it is necessary to provide an improved electrical connector of the terminal structure to effectively reduce the height. Frequency interference problem.

In order to achieve the above object, the main purpose of the present invention is to provide a terminal structure electrical connector which can reduce high frequency interference when transmitting signals.

The main technical means for achieving the above object is that the foregoing electrical connector comprises a terminal block, a plurality of first conductive terminals and a plurality of second conductive terminals, wherein the terminal block is provided with a base and extends forward from the base The tongue plate member includes an upper surface and a lower surface; each of the first conductive terminals has a contact portion at one end and a pin portion at the other end, and the contact portion is fixed on the tongue plate member The surface of the second conductive terminal is disposed outside the base; and the other end of each of the second conductive terminals is provided with a contact portion, and the other end is provided with a pin portion, and the contact portion is fixed on the lower surface of the tongue plate member, and the connection is The foot portion is fixed outside the base; wherein the contact portion of each of the conductive terminals has a concave surface with a centrally inwardly recessed surface, and the concave mask has a groove space having a central thickness smaller than the thickness of both sides.

By using the above technical means, the thickness of the center of the terminal can be reduced by the groove space on the conductive terminal, the impedance on the conductive terminal can be improved, and the noise interference caused by the high-frequency transmission of the conductive terminal can be effectively reduced.

100‧‧‧Electrical Connector 1‧‧‧Terminal Block 11‧‧‧Base 111.‧‧Finished Groove 112‧‧‧Snap Slot 113‧‧‧Position Post 114‧‧‧Enclosed Space 115‧‧‧ Fixing seat 116‧‧‧Terminal fixing groove 117‧‧‧Terminal insertion hole 12‧‧‧ tongue plate 121‧‧‧Separator 122‧‧‧Front section 1221‧‧‧ Upper surface 1222‧‧‧ Lower surface 1223‧‧‧ Front surface 123‧‧‧ Containing space 124‧‧‧Withholding area 125‧‧‧Terminal receiving groove 126‧‧‧Bucking part 2‧‧‧Multiple first conductive terminals 21‧‧‧Contacts 211‧‧‧ Face 2111‧‧‧ Groove space 2112‧‧‧ Rear surface 2113‧‧‧ Side surface 2114‧‧‧ Lower surface 212‧‧‧Contact surface 22‧‧‧ Connection 23‧‧‧ First holding part 231‧‧‧ Projection portion 24‧‧‧Second holding portion 25‧‧‧Take portion 3‧‧‧Multiple second conductive terminals 31‧‧‧Contact portion 311 ‧ ‧ recessed surface 3111‧‧ ‧ recessed space 312‧ ‧ contact surface 32 ‧ ‧ joint 33 ‧ ‧ first holding part 331 ‧ ‧ protrusion 34 ‧ ‧ second holding part 35 ‧ ‧ Pin section 4‧‧‧Shielding plate 41‧‧‧ Round hole 5‧‧‧ Grounding piece 51‧‧‧ Grounding conductor 511‧‧‧ Leading end 512‧‧‧ Grounding end 52‧‧‧Insulated housing 521‧‧‧ Terminal fixing groove 522‧‧‧ Side fixing part 6‧‧‧Shading fastener group 61‧‧‧First shielding piece 611‧‧‧First fastening part 6111‧‧‧ protruding piece 62‧‧‧Second shielding piece 621 ‧‧‧Second fastener part 6211‧‧‧ bayonet 63‧‧‧Horizontal panel 64‧‧‧Grounding part 65‧‧‧Snap part 7‧‧‧Shading housing 71‧‧‧Installation part 72‧‧‧ The accommodating section 73‧‧‧ docked 74‧‧‧ feet

The first figure is an exploded perspective view of the terminal block and the shielding fastener set of the present electrical connector.

The second figure is a perspective view of another angle of the terminal block and the shielding fastener set of the present electrical connector.

The third figure is a perspective view of the first conductive terminal and the second conductive terminal of the present electrical connector.

The fourth figure is a perspective view of the first conductive terminal of the present electrical connector.

The fifth figure is a perspective view of another angle of the first conductive terminal shown in the fourth figure.

The sixth figure is an enlarged view of the contact portion of the first conductive terminal of the present electrical connector.

The seventh figure is an exploded perspective view of the present electrical connector.

The eighth figure is an exploded perspective view of the terminal block and the grounding member of the present electrical connector.

The ninth figure is a front perspective view of the present electrical connector.

The tenth figure is a cross-sectional view taken along the dotted line X-X shown in the ninth figure.

The eleventh figure is a perspective view of the present electrical connector.

The twelfth figure is a perspective view of another angle of the present electrical connector.

In order to explain in detail the technical content, structural features, objectives and effects of the present invention, the following is a detailed description with reference to the drawings.

Referring to the first and seventh figures, the electrical connector 100 is mounted on a circuit board (not shown) and includes a terminal block 1, a plurality of first conductive terminals 2, and a plurality of second conductive terminals 3. A shielding plate 4, a grounding member 5, a shielding fastener group 6 and a shielding shell 7. The shielding plate 4 is installed in the terminal block 1. The plurality of first conductive terminals 2 and the plurality of second conductive terminals 3 are fixed in the terminal block 1. The grounding member 5 is connected under the shielding plate 4, and the shielding fastener group 6 is sleeved. Fixed to the terminal block 1, the shielding case 7 covers all of the above components.

Referring to the first and second figures, the terminal block 1 is integrally formed by injection molding, and is mainly composed of a base 11 and a tongue member 12 extending forward from the front side of the base 11. A fixing groove 111 is formed on the upper surface of the joint between the front side surface of the base 11 and the tongue plate member 12, and a snap groove 112 is formed in the middle of the two bonding grooves 111.

Similarly, a fitting groove 111 is formed on both sides of the lower surface of the joint between the front side of the base 11 and the tongue member 12, and a snap groove 112 is formed in the middle of the two fitting grooves 111. In addition, a middle portion of the lower surface of the lower surface of the base 11 extends downwardly to protrude from a cylindrical positioning post 113.

Referring to the eighth embodiment, a vacant space 114 is formed in the lower portion of the pedestal 11 , and a fixing seat 115 is formed on the two sides of the accommodating space 114 . The front side of the pedestal 11 and the accommodating space 114 are formed with a plurality of vertically arranged terminal fixing slots 116. The pedestal 11 is located inside the pedestal 11 and is provided with upper and lower rows above the front side of the accommodating space 114. The laterally arranged terminal insertion holes 117.

Referring to the first and second figures, the tongue member 12 extends forwardly from the front side of the base 11, wherein the tongue member 12 is provided with a protrusion and is separated by the tongue member 12. The portion 121 of the tongue member 12 extending forwardly from the partitioning member 121 is a front portion 122. The tongue member 12 extends rearwardly from the partitioning member 121 to the front side of the base 11 to form a receiving space 123 for receiving The two sides of the space 123 respectively form a fastening area 124. The front section 122 includes an upper surface 1221 and a lower surface 1222. The front surface of the upper surface 1221 and the lower surface 1222 are connected by an inverted C angle to form a front surface 1223. The front section 122 is formed with a terminal receiving groove 125, and the terminal receiving groove 125 is respectively disposed on the upper surface 1212. Surface 1221 and lower surface 1222. A latching portion 126 is protruded outwardly from the two sides of the front end of the front section 122 of the tongue piece member 12 for engaging and docking with the mating connector.

Referring to the third figure, the plurality of first conductive terminals 2 and the plurality of second conductive terminals 3 are made of metal stamping in this embodiment, and the structures of the two are substantially the same, in each of the first conductive terminals and each The second conductive terminal includes a contact portion 21, 31, a connecting portion 22, 32, a first holding portion 23, 33, a second holding portion 24, 34, and a pin portion 25, 35.

Referring to the first to fourth figures, the contact portion 21 of each of the first conductive terminals 2 is disposed on the terminal receiving groove 125 of the upper surface 1221 of the tongue plate member 12; the contact portion 21 extends rearwardly to one end of the connecting portion 22, The connecting portion 22 is disposed between the tongue member 12 and the base 11; the other end of the connecting portion 22 is coupled to the first retaining portion 23, and the first retaining portion 23 is disposed in the terminal insertion hole 117 in the base 11, The second holding portion 24 is bent downwardly at the rear end of the first holding portion 23, and the second holding portion 24 is disposed on the terminal fixing seat 521 of the grounding member 5 (described in detail below), and the pin portion 25 is connected to the first portion The other end of the second holding portion 24 is bent and protruded on the lower surface of the base 11.

Referring to the fourth and sixth figures, the contact portion 21 includes a concave surface 211 and a contact surface 212. The concave surface 211 is located on one surface of the contact portion 21 and the contact surface 212 is opposite to the concave surface. The other surface of the 211 has a recessed space 211. The recessed space 211 is recessed downward at the center of the recessed surface 211 and extends forward and backward to form an elongated groove. In the recessed space 2111 The rectangular parallelepiped may be divided into a rear surface 2112 adjacent to the connecting portion 22, a side surface 2113 extending forwardly on both sides of the rear surface 2112, and a lower surface 2114 connecting the rear surface 2112 and the bottom surface of the both side surfaces 2113; The lower surface 2114 of the groove space 2111 has a thickness a between the contact surface 212 and a thickness b on both side surfaces of the contact portion 21. In the present design, a center thickness a is designed to be smaller than the thickness b on both sides. The groove space 2111 enables the conductive terminals to reduce the high frequency electrical signal when transmitting the signal interference.

The contact portion 21 of each of the first conductive terminals 2 is disposed in the terminal receiving groove 125 of the upper surface 1221. The contact surface 212 faces the upper surface 1221 and is slightly higher than the plane of the terminal receiving groove 125, and the concave surface 211 faces the terminal. Inside the slot 125.

Referring to the third to fifth figures, the connecting portion 22 is in the form of an elongated strip, and the connecting portion 22 is in contact with the contact portion 21, and both side surfaces thereof are narrowed inwardly, so that the width ratio of the contact portion 21 is connected. The width of the portion 22 is wide, and the impedance at the time of high-frequency transmission is improved. The first holding portion 23 includes a protrusion 231 which is slightly raised on both sides, and the protrusion 231 is present in the adjacent two first conductive terminals 2 The staggered relationship between the ridges and the ridges is such that the adjacent protrusions 231 do not contact each other, and the deformation caused by the assembly is prevented from being deformed by left and right.

Referring to the third figure, the plurality of second conductive terminals 3 have substantially the same structure as the plurality of first conductive terminals 2, and the contact portions 31 of the plurality of second conductive terminals 3 also include a groove surface 311 and an opposite contact 312 surface. The recessed surface 311 also includes a recessed space 3111, which is different in that the concave faces 211 and 311 of the first conductive terminals 2 and the second conductive terminals 3 are different from the contact faces of the contact faces 212 and 312. The contact surface 212 of each of the first conductive terminals 2 faces the upper surface 1221 of the tongue member 12, and the contact surface 312 of each of the second conductive terminals 3 faces the lower surface 1222 of the tongue member 12, thus The concave surface 211 of each of the first conductive terminals 2 is in facing relationship with the concave surface 311 of each of the second conductive terminals 3; and in this embodiment, the contact portion 21 of the first conductive terminal 2 is disposed on the upper surface The terminal receiving groove 125 of the surface 1221 and the contact portion 31 of the second conductive terminal 3 are disposed in the terminal receiving groove 12 of the lower surface 1222. .

Referring to the seventh and eighth figures, the shielding plate 4 includes a plurality of circular holes 41. The terminal block 1 is covered with a shielding plate 4 by plastic injection molding, wherein the plurality of circular holes 41 extend symmetrically along the central axis of the shielding plate 4 to fix the terminal block 1 and the shielding plate 4 during the injection molding process. .

Referring to the seventh, eighth, and tenth diagrams, the grounding member 5 is composed of a grounding conductor 51 and an insulative housing 52. In this embodiment, the grounding conductor 51 is stamped and bent into an integrally formed structure. The guiding end 511 and the grounding end 512 are disposed. The guiding end 511 is disposed on the upper surface of the grounding conductor 51, and the grounding end 512 is disposed on the lower surface of the grounding conductor 51.

The insulating housing 52 is covered with a grounding conductor 51. The insulating housing 52 includes a plurality of terminal fixing slots 521 and a side fixing portion 522. The plurality of terminal fixing slots 521 are formed in a plurality of vertical rows on the rear surface of the insulating housing 52. The side fixing portion 522 is formed in a laterally front and rear protruding block shape and provided on both side surfaces of the insulating case 52.

The grounding member 5 is grounded by the guiding end 511 contacting the shielding plate 4 and electrically connected to the grounding end 512. The plurality of terminal fixing slots 521 on the insulating housing 52 are used to engage the first conductive terminal. 2, the second holding portion 24, and the side fixing portion 522 of the insulating housing 52 is engaged with the fixing seat 115 of the base 11 to be stabilized; meanwhile, the grounding member 5 is located just below the shielding plate 4, and is guided. The end 511 is in contact with the shielding plate 4; the grounding end 512 projects downwardly from the lower surface of the base 11 and is connected to the circuit board (not shown).

Referring to FIG. 10 , the plurality of first conductive terminals 2 are disposed above the shielding plate 4 , and the second holding portion 24 is located at the rear side of the shielding plate 4 , and the plurality of second conductive terminals 3 are disposed on the shielding plate 4 . The second holding portion 34 is disposed under the shielding plate 4, wherein none of the conductive terminals touch the shielding plate 4, and the grounding member 5 is disposed to the second holding portion 24 and the second holding portion Between the sections 34, the high frequency effects of the terminal transmission are reduced.

Referring to the first and seventh figures, the shielding fastener group 6 can be divided into a first shielding piece 61 and a second shielding piece 62, and each shielding piece has a step shape, and includes a The horizontal panel 63 extends vertically downwards on both sides of the horizontal panel 63 of the first shielding sheet 61 to form a first fastener portion 611, and the horizontal panel 63 of the second shielding sheet 62 extends vertically upwards on a small section. The second fastener portion 621 includes a protrusion 6111 on the first fastener portion 611, and a bayonet 6211 on the second fastener portion 621. The tab 6111 can be snapped into the bayonet 6211 to achieve the fastening. Features. In addition, the trailing edge of the horizontal panel 63 on each of the shielding sheets protrudes a small section and vertically extends the grounding portion 64 and a hook portion 65 having a barb-shaped end.

Referring to the ninth, eleventh and twelfth drawings, the shielding shell 7 is a structure surrounded by metal, and has a mounting portion 71. The front end of the mounting portion 71 is connected with a hollow barrel. The accommodating portion 72 has a pair of interfaces 73 at the front end edge of the accommodating portion 72. The rear end edge and the two sides of the mounting portion 71 extend downwardly from the plurality of pins 74, and the two sides of the accommodating portion 72 are respectively punched out and extended downward. Pin 74.

The electronic connector 100 of the present invention first forms a plurality of first conductive terminals 2, a plurality of second conductive terminals 3, a shielding plate 4, a grounding conductor 51, a shielding fastener group 6 and a shielding case 7 by punching and bending, and then receiving the connector The shielding plate 4 is formed by the plastic injection molding method, and the grounding conductor 51 is molded into the grounding member 5, and the plurality of second conductive terminals 3 are assembled into the terminal block 1 so that the contact portion 31 and the connecting portion 32 pass through the base. The lower end of the seat 11 is inserted into the hole 117 and disposed in the terminal receiving groove 125 of the lower surface 1222 of the tongue piece 12, so that the contact surface 312 faces the lower surface direction and protrudes slightly from the terminal receiving groove 125, the first holding portion The position of the 33 is engaged with the terminal insertion hole 117, and the second holding portion 34 of each of the second conductive terminals 3 is correspondingly engaged with the plurality of terminal fixing grooves 116 of the base 11, and the leg portion 35 is exposed to the base 11 The lower surface.

Then, the grounding member 5 is assembled into the accommodating space 114 in the pedestal 11, the side fixing portion 522 of the grounding member 5 is clamped to the fixing seat 115 in the pedestal 11, and the plurality of first conductive terminals 2 are assembled into the terminal block. 1 , the contact portion 21 and the connecting portion 22 are passed through the upper terminal insertion hole 117 inside the base 11 and disposed in the terminal receiving groove 125 of the upper surface 1221 of the tongue member 12 such that the contact surface 212 faces the upper surface. The position of the first holding portion 23 is engaged with the terminal insertion hole 117, and the second holding portion 24 of each of the first conductive terminals 2 is fixed to the plurality of terminals of the grounding member 5. In the groove 521, the leg portion 25 is exposed on the lower surface of the base 11.

Then, the shielding fastener group 6 is correspondingly disposed on the receiving space 123, and the protruding piece 6111 and the bayonet 6211 are received in the fastening area 124. The locking part 65 is inserted into the locking groove 112 of the base 11, and the grounding part 64 is disposed. The shielding case 7 is sleeved on the outside of the terminal block 1 , and the mounting portion 71 is fixed to the outside of the base 11 , and the receiving portion 72 is sleeved on the tongue plate member 12 . In addition, the grounding portion 64 of the shielding fastener group 6 abuts against the shielding case 7, and is grounded by the pin 74.

In summary, in the present invention, the problem that the plurality of conductive terminals are susceptible to high-frequency signal interference is improved, and a surface having a groove thickness having a center thickness smaller than the thickness of both sides is designed at the contact portion of the plurality of conductive terminals. The space causes the terminal to be in a recessed state at the center of the contact portion, and the center of the terminal thickness is thinned, the impedance of the terminal is improved, and high-frequency interference during transmission of the terminal is reduced.

This creation is in line with the patent requirements, and the patent application is filed according to law. However, the above description is only a preferred and feasible embodiment of the present invention, and thus does not limit the scope of the patent of the present invention. Therefore, the equivalent structural changes that are made by using the present specification and the contents of the illustration are all included in the creation. Within the scope of protection of rights, it is given to Chen Ming.

2‧‧‧Multiple first conductive terminals

21‧‧‧Contacts

211‧‧‧ concave face

2111‧‧‧ Groove space

2112‧‧‧Back surface

2113‧‧‧ side surface

2114‧‧‧ lower surface

22‧‧‧Connecting Department

Claims (10)

An electrical connector comprising:
a terminal block is provided with a base and a tongue piece extending forward from the base, and the tongue plate member is provided with an upper surface and a lower surface;
a plurality of first conductive terminals, one end of each of the first conductive terminals is provided with a contact portion, and the contact portion is fixed on the upper surface of the tongue plate member; and a plurality of second conductive terminals, one end of each of the second conductive terminals is provided with a contact portion And the contact portion is fixed on the lower surface of the tongue piece;
Wherein, the contact portions of the first conductive terminal and the second conductive terminal each have a concave surface with a center inwardly recessed, and the extending direction of the concave surface is the same as the extending direction of the contact portion. The electrical connector of claim 1, wherein the concave surface forms a recessed space such that a thickness intermediate the contact portion is less than a thickness of both sides of the contact portion. The electrical connector of claim 2, wherein the upper surface and the lower surface of the tongue plate member comprise a plurality of terminal receiving grooves that are laterally arranged and recessed, and the contact portion is received in the terminal receiving groove. The electrical connector of claim 3, wherein the contact portion comprises a contact surface, the contact surface and the concave surface are respectively formed on opposite sides of the contact portion, and the contact surface of the first conductive terminal and the second conductive terminal They protrude from the upper surface and the lower surface of the tongue piece respectively. The electrical connector of claim 4, wherein the end of the contact portion is connected to a connecting portion, and the width of the contact portion is narrower than the width of the connecting portion. The electrical connector of claim 5, wherein the end of the connecting portion is connected with a first retaining portion, the side of the first retaining portion is provided with a protrusion, and the protrusions of the adjacent two conductive terminals are Form a relative positional relationship in tandem. An electrical connector comprising:
a terminal block;
a plurality of first conductive terminals arranged in the terminal block, each of the first conductive terminals is provided with a contact portion; and a plurality of second conductive terminals are arranged in the terminal block, and one end of each of the second conductive terminals is provided with a contact portion;
The contact portions of the first conductive terminals and the second conductive terminals respectively correspond to each other, and the contact portions of the first and second conductive terminals form a concave surface which is recessed in the middle, and the extending direction of the concave surface and the contact portion The extending direction is the same, and the concave surfaces of the contact portions of the first conductive terminals respectively face the concave surfaces of the contact portions of the second conductive terminals. The electrical connector of claim 7, wherein a connecting portion is connected to a tail end of each contact portion, and a width of the contact portion is narrower than a width of the connecting portion. The electrical connector of claim 8, wherein a connecting end of each connecting portion is connected with a first holding portion, a side of the first holding portion is provided with a protrusion, and protrusions of two adjacent conductive terminals are provided. Staggered settings one after the other. An electrical connector comprising:
a terminal block is provided with a base and a tongue piece extending forward from the base, and the tongue plate member is provided with an upper surface and a lower surface;
a plurality of first conductive terminals, one end of each of the first conductive terminals is provided with a contact portion, and the contact portion is fixed on the upper surface of the tongue plate member; and a plurality of second conductive terminals, one end of each of the second conductive terminals is provided with a contact portion And the contact portion is fixed on the lower surface of the tongue piece;
Wherein, the contact portions of the first conductive terminal and the second conductive terminal respectively form a concave surface which is recessed inwardly, and the extending direction of the concave surface is the same as the extending direction of the contact portion, and the contact of each of the first conductive terminals The concave portion of the portion is disposed downward, and the concave portion of the contact portion of each of the second conductive terminals is disposed upward.