CN204720694U - Plug electric connector - Google Patents

Abstract

A plug electrical connector includes: an insulating body, a shielding shell and a resisting piece. The insulating main body includes a plate body, and both sides of the plate body include outer surfaces and grooves respectively, and the grooves are located on one side of the outer surfaces. The shielding shell covers the insulating body. The shielding shell includes an outer wall and a perforation. The outer wall is located on the outer side, the perforation is located on one side of the outer wall, and the perforation is located on the groove. The resisting pieces are located on both sides of the board body and are respectively connected to the shielding shell. The resisting pieces include a body, a swing plate and a protruding block. The body is located between the outer side and the outer wall. The swing plate is connected to the body and suspended in the groove. The protrusion is located on the swing plate. When the protrusion is in the first position, the top of the protrusion protrudes from the through hole. When the protrusion is in the second position, position, the top of the nub rests on the perforation.

Description

plug electrical connector

technical field

The utility model relates to an electrical connector, in particular to a plug electrical connector.

Background technique

Nowadays, all kinds of electronic products are becoming more and more multifunctional, providing unlimited convenience and high convenience, but forming a complex electromagnetic wave interference environment, which affects the operation and transmission of electronic products, such as Electromagnetic Interference (EMI), Radio Frequency Interference (Radio Frequency Interference, RFI for short).

As the existing electronic products are designed toward miniaturization, the USB plug electrical connector on the electronic product is closely adjacent to other surrounding electronic components. When transmitting signals, the shielding signal of the USB plug electrical connector itself and the protection against electromagnetic interference (EMI) and radio frequency interference (RFI) must be properly designed to avoid signal interference with other electronic components.

Generally, if the shells of the USB plug electrical connector and the USB socket electrical connector are poorly shielded due to holes, etc., the high-frequency electrical signal is serially connected to the connected USB socket electrical connector through the USB plug electrical connector, so that the device has The electronic products of the USB socket electrical connector or the external electronic products connected to the USB plug electrical connector will reduce the accuracy of operation due to noise interference (EMI) and radio frequency interference (RFI). How to solve the problems of the existing structure is a problem that relevant practitioners must think about.

Utility model content

In view of the above problems, the utility model provides a plug electrical connector, comprising: an insulating body, an upper row of terminals, a lower row of terminals, a shielding shell and abutment pieces. The insulating main body includes an upper board body, a lower board body and a slot, the slot is located between the upper board body and the lower board body, the upper board body and the lower board body include outer surfaces and grooves, the The grooves are located on one side of the outer surfaces. The upper row of terminals is located on the lower surface of the upper board body, and the upper row of terminals includes an upper row of shrapnel-type contact ends extending from the slot to transmit a set of first signals. The lower row of terminals is located on the upper surface of the lower board, and the lower row of terminals includes a lower row of shrapnel-type contact ends, extending from the slot to transmit a set of second signals. The shielding shell covers the insulating body. The shielding shell includes an outer wall and a perforation. The outer wall is opposite to the outer surface. The perforation is located on one side of the outer wall. The resisting piece is located on the upper plate and the lower plate and connected to the shielding shell, and the resisting piece includes a main body, a swing plate and a protrusion. The body is located between the outer surface and the outer wall, the swing plate is connected to the body and suspended in the groove, and the projection is located on the swing plate, wherein when the projection is at the first position, the top of the projection protrudes from the perforation, when the projection is at the second position position, the top of the lug is in the perforation.

To sum up, the utility model utilizes the protruding protrusions on the outer wall of the shielding shell, and when the protrusions of the resisting piece are connected to the shielding shell of the electrical socket connector, a stable contact effect can be provided. In addition, the protrusion of the resisting piece is connected to the shielding shell of the socket electrical connector, so that the shielding shell of the plug electrical connector and the shielding shell of the socket electrical connector are connected to the shielding shell through the resisting piece to effectively perform conduction and grounding. Reduce the problem of Electromagnetic Interference (EMI). Moreover, when the protrusion is at a first position, that is, when the electrical plug connector is not inserted into the electrical socket connector, the top of the protrusion protrudes from the through hole, and the protrusion blocks the through hole. When the protrusion is in a second position, that is, when the plug electrical connector and the socket electrical connector are plugged in, the top of the protrusion is located at the perforation but not protruding from the perforation, and the protrusion can also cover the perforation and has good shielding performance. Avoid the problem of radio frequency interference (Radio Frequency Interference, RFI for short) caused by perforation due to poor shielding. When the plug electrical connector and the socket electrical connector are mated, the holes in the shielding shell of the plug electrical connector and the shielding shell of the socket electrical connector are reduced to achieve good protection against electromagnetic interference (EMI) and radio frequency interference (RFI). .

Description of drawings

FIG. 1 is a schematic diagram of the appearance of the electrical plug connector of the present invention.

FIG. 2 is an exploded view of the electrical plug connector of the present invention.

FIG. 3 is a three-dimensional cross-sectional schematic view (1) of the plug electrical connector of the present invention.

FIG. 4 is a three-dimensional cross-sectional schematic diagram (2) of the plug electrical connector of the present invention.

FIG. 5 is a schematic side sectional view of the electrical plug connector of the present invention.

Fig. 6 is a partially enlarged view of part A in Fig. 5 .

FIG. 7 is a side view schematic diagram of a plug electrical connector plugged into a socket electrical connector of the present invention.

Fig. 8 is a partially enlarged view of part B in Fig. 7 .

Symbol Description

100 plug electrical connector

11 Insulation body

111a upper plate body

111b Lower plate body

1111 Outer side

1112 Groove

1113 through hole

1114 Depressed area

112 slots

113 socket frame

114 buckle slot

12a Upper row of terminals

12b Lower row of terminals

121 Upper row shrapnel type contact end

122 Lower row shrapnel type contact end

13 shielding case

131 outer wall

132 perforations

133 Connection frame port

14 backing piece

141 Ontology

1411 extension board

1412 pins

1413 Holes

142 swing plate

1421 Neck

143 bump

1431 cylinder

1432 arc contact surface

1433 Concave

200 socket electrical connector

20 shielded case

201 inner side.

Detailed ways

Figure 1 is a schematic diagram of the appearance of the plug electrical connector of the present utility model, Figure 2 is a schematic diagram of the decomposition of the plug electrical connector of the present utility model, and Figure 3 is a three-dimensional cross-sectional schematic diagram (1) of the plug electrical connector of the present utility model, Fig. 4 is a three-dimensional cross-sectional schematic diagram (2) of the electrical plug connector of the present invention. Please refer to FIG. 1 , FIG. 2 , FIG. 3 and FIG. 4 , which are embodiments of the electrical plug connector 100 of the present invention. In this embodiment, the plug electrical connector 100 is a micro-USB (Type-C) connection interface specification, and the plug electrical connector 100 is a new type of USB connection interface specification, which can meet the transmission of USB3.0 signals or USB2.0 signals. . The electrical plug connector 100 includes an insulating body 11 , an upper row of terminals 12 a , a lower row of terminals 12 b , a shielding shell 13 and a resisting piece 14 .

Please refer to FIG. 2, FIG. 3 and FIG. 4, the insulating body 11 includes an upper plate body 111a, a lower plate body 111b and a slot 112, where the upper plate body 111a, the lower plate body 111b, and the lower plate body 111a are formed by injection-molding. The plate body 111b, and a slot 112 is formed in a depression between the upper plate body 111a and the lower plate body 111b. Here, the upper plate body 111a and the lower plate body 111b are parallel to each other. Moreover, the outer sides of the upper plate 111 a and the lower plate 111 b respectively include an outer surface 1111 and a groove 1112 , and the groove 1112 is located on one side of the outer surface 1111 . Here, the groove 1112 is located at the front side of the outer surface 1111 , but not limited thereto. In some embodiments, the groove 1112 may be located at the rear side of the outer surface 1111 or between the front side and the rear side. In addition, in this embodiment, the outer sides of the upper plate body 111a and the lower plate body 111b respectively include a recessed area 1114 located on the outer surface 1111, the depth of the recessed area 1114 is greater than or equal to the thickness of the resisting piece 14, and the groove 1112 is a recess On one side of the inner surface of the recessed area 1114 . Moreover, the insulating body 11 includes a plugging frame opening 113 located on one side of the slot 112 and communicated with the slot 112 , and the groove 1112 is adjacent to the plugging frame opening 113 .

Please refer to Figure 2, Figure 3 and Figure 4, the upper row of terminals 12a is located on the upper plate body 111a, and the lower row of terminals 12b is located on the lower plate body 111b. The terminals 12a and the lower row of terminals 12b, or the upper row of terminals 12a and the lower row of terminals 12b are combined with the upper board body 111a and the lower board body 111b in an assembled manner. Moreover, one side of the upper row of terminals 12 a has an upper row of spring-type contact ends 121 extending from the slot 112 . One side of the lower row of terminals 12 b has a lower row of spring-type contact ends 122 extending from the slot 112 . Here, one side of the upper row of terminals 12a has an upper row of shrapnel-type contact ends 121 located on the lower surface of the upper board body 111a, and the upper row of shrapnel-type contact ends 121 extend from the slot 112 to transmit a set of first signals (i.e. USB3 .0 signal). Here, one side of the lower row of terminals 12b has a lower row of shrapnel-type contact ends 122, which are located on the upper surface of the lower board body 111b. The lower row of shrapnel-type contact ends 122 extend from the slot 112 to transmit a set of second signals (i.e. USB3 .0 signal).

Referring to FIG. 2 , FIG. 3 and FIG. 4 , the shielding shell 13 is a hollow shell, and the shielding shell 13 covers the insulating body 11 , that is, the insulating body 11 is disposed inside the shielding shell 13 . Here, the shielding shell 13 includes an outer wall 131 and a through hole 132 , the outer wall 131 is opposite to the outer surface 1111 , the through hole 132 is located on one side of the outer wall 131 , and the through hole 132 is opposite to the groove 1112 . In this embodiment, the shielding shell 13 may be composed of one-piece components, but it is not limited thereto. In some embodiments, the shielding shell 13 may be composed of multiple components. In addition, an arc-shaped connection frame opening 133 is formed on one side of the shielding case 13 .

Please refer to FIG. 2 , FIG. 3 and FIG. 4 , the resisting pieces 14 are elongated and symmetrical to each other, and the resisting pieces 14 are located on the outer sides 1111 of the upper and lower sides of the upper plate body 111 a. Here, the resisting piece 14 is disposed in the recessed area 1114 so that the resisting piece 14 will not protrude from the outer surface 1111 . Moreover, the resisting piece 14 includes a main body 141 , a swing plate 142 and a protrusion 143 . The main body 141 is a horizontal sheet located between the outer surface 1111 and the outer wall 131 . The swing plate 142 is connected to the front side of the main body 141 , and the swing plate 142 is suspended in the groove 1112 . The protrusion 143 is located on the surface of the swing plate 142 and protrudes outward, and the protrusion 143 is substantially perpendicular to the swing plate 142 . Moreover, the top of the protruding block 143 extends beyond the through hole 132 , that is, the top of the protruding block 143 is exposed outside the through hole 132 . In this embodiment, one side of the resisting piece 14 is connected to the shielding shell 13. Here, the resisting piece 14 includes an extension plate 1411 located on the rear side of the body 141, and the extension plate 1411 extends obliquely upward to connect to the shielding shell. Body 13 inner side. the

Fig. 5 is a schematic side view sectional view of the electrical plug connector of the present invention. In this embodiment, Fig. 6 is a partially enlarged view of part A in Fig. 5, and Fig. 7 is a diagram of the plug electrical connector of the present invention plugged into the socket A schematic side view sectional view of the electrical connector, Fig. 8 is a partial enlarged view of part B in Fig. 7 . Please refer to Fig. 5, Fig. 6, Fig. 7 and Fig. 8, when the electrical plug connector 100 is plugged with the electrical socket connector 200, the electrical plug connector 100 will be inserted into the shielding shell 20 of the electrical receptacle connector 200, so that The inner surface 201 of the shielding shell 20 contacts the protrusion 143 of the electrical plug connector 100 . The protrusion 143 of the resisting piece 14 is connected to the shielding shell 20 of the socket electrical connector 200, so that the shielding shell 13 of the plug electrical connector 100 and the shielding shell 20 of the socket electrical connector 200 pass through the resisting piece 14 and the shielding shell. 20 connections for effective conduction and grounding, reducing electromagnetic interference (Electromagnetic Interference, EMI) problems.

Moreover, when the protrusion 143 is at a first position, that is, when the electrical plug connector 100 is not plugged into the electrical socket connector 200, the top of the protrusion 143 protrudes from the through hole 132, providing electrical connection between the electrical plug connector 100 and the electrical socket. When the device 200 is plugged in, the protruding protrusion 143 can make contact with the inner surface 201 of the shielding shell 20 . When the protrusion 143 is in a second position, that is, when the plug electrical connector 100 is plugged into the socket electrical connector 200, the top of the protrusion 143 is pressed by the inner surface 201, and the top of the protrusion 143 is displaced downward. Located at the perforation 132 , the protrusion 143 can cover the perforation 132 and has good shielding performance, avoiding the problem of Radio Frequency Interference (RFI) caused by the perforation 132 due to poor shielding performance. The utility model provides that when the plug electrical connector 100 and the socket electrical connector 200 are plugged together, the holes in the shielding shell 13 of the plug electrical connector 100 and the shielding shell 20 of the socket electrical connector 200 are reduced to achieve good protection against electromagnetic interference (EMI). ) and radio frequency interference (RFI) effects.

Please refer to FIG. 5, FIG. 6, FIG. 7 and FIG. 8. In some embodiments, when the protrusion 143 is pushed by the inner surface 201, the top of the protrusion 143 can be completely displaced into the through hole 132, or , only a part of the top of the protrusion 143 is displaced into the through hole 132 , while another part of the top of the protrusion 143 is exposed through the through hole 132 . It is mainly determined by the inner diameter distance of the inner surface 201 of the shielding shell 20 of the socket electrical connector 200 and the outer diameter distance of the outer wall 131 of the shielding shell 13 . That is, when the inner diameter distance of the inner surface 201 is equal to the outer diameter distance of the outer wall 131 of the shielding shell 13 , the top of the protrusion 143 is pushed by the inner surface 201 and completely displaced into the through hole 132 . When the inner diameter distance of the inner surface 201 is greater than the outer diameter distance of the outer wall 131 of the shielding shell 13, there is a distance between the inner surface 201 and the outer wall 131, and this distance is the distance between the top of the protrusion 143 pushed by the inner surface 201. Incomplete displacement into the through hole 132 , that is, only a part of the top of the protrusion 143 is displaced into the through hole 132 , while the other part is exposed through the through hole 132 .

5, FIG. 6, FIG. 7 and FIG. 8, in addition, when the inner surface 201 of the shielding shell 20 of the socket electrical connector 200 contacts the protrusion 143 of the plug electrical connector 100, the protrusion 143 together with the swing plate 142 Swing toward the groove 1112 of the insulating body 11, the groove 1112 provides space for the swing plate 142 to swing elastically, and when the plug electrical connector 100 is pulled out of the socket electrical connector 200, the swing plate 142 can bounce back to the horizontal position, and the top of the protrusion 143 can be reset to protrude from the through hole 132 again.

Please refer to FIG. 5, FIG. 6, FIG. 7 and FIG. 8, the protrusion 143 is a protrusion structure, the protrusion 143 is further provided with a cylinder 1431 and an arc-shaped contact surface 1432, and one side of the cylinder 1431 is connected to the swing plate 142 , the other side of the cylinder 1431 is connected to the arc-shaped contact surface 1432 . That is, the protrusion structure of the protrusion 143 may form an arc-shaped contact surface 1432 at the top, and the arc-shaped contact surface 1432 is exposed to the through hole 132 . When plugged into the electrical plug connector 100 and the electrical receptacle connector 200, the shielding shell 20 of the electrical receptacle connector 200 will touch the arc-shaped contact surface 1432, and when the swing plate 142 swings toward the groove 1112, it will also drive the The cylinder 1431 swings with the arc contact surface 1432 . The rebound force of the swing plate 142 itself and the arc structure of the arc-shaped contact surface 1432 can provide the contact effect of continuously contacting the inner side surface 201 of the shielding shell 20 .

Please refer to Fig. 5, Fig. 6, Fig. 7 and Fig. 8, in addition, the protrusion 143 further comprises a recess 1433, which is located inside the cylinder 1431 and the arc-shaped contact surface 1432. Here, the protrusion 143 can be on the swing plate 142 to It is processed by drawing and can be extruded on the flat swing plate 142, so that the cylinder 1431 and the arc-shaped contact surface 1432 of the protrusion 143 are formed on the swing plate 142, and the cylinder 1431 and the arc-shaped contact surface 1432 are formed on the swing plate 142. There is a recess 1433 inside. Processing the protrusion 143 by drawing can ensure the structural integrity of the protrusion 143 , the cylinder 1431 and the arc-shaped contact surface 1432 can avoid cracking, and the material thickness of each part is consistent to ensure stability.

Please refer to Fig. 5, Fig. 6, Fig. 7 and Fig. 8. In addition, the protruding block 143 is located on the surface of the swing plate 142 and protrudes outward. The contact surface 1432 is in contact with the inner side surface 201 of the shielding shell 20 to provide stable contact and conduction effects. It is avoided that when the plug electrical connector 100 is inserted into the receptacle electrical connector 200 obliquely, the protruding block 143 will be deformed after being bumped or pushed, so that the contact and conduction effect of the protruding block 143 will be invalid.

Please refer to FIG. 5 , FIG. 6 , FIG. 7 and FIG. 8 , the swing plate 142 further includes necks 1421 connected to the body 141 , and the necks 1421 are spaced apart from each other. When the shielding shell 20 of the electrical receptacle connector 200 contacts the projection 143, the projection 143 and the swing plate 142 can pass through the neck 1421. The width of the swing plate 142 is smaller than the swing plate 142 while the swing plate 142 is swinging, and the swing plate 142 is provided with the neck 1421 as the The effect of center deflection.

Please refer to FIG. 5 , FIG. 6 , FIG. 7 and FIG. 8 , the resisting piece 14 further includes pins 1412 located on both sides of the body 141 , here, the pins 1412 are located on both sides of the rear side of the body 141 . Moreover, the pin 1412 is substantially perpendicular to the body 141 . In addition, the upper plate body 111 a further includes buckle grooves 114 located on two sides of the outer surface 1111 . When the resisting piece 14 is assembled on the upper and lower sides of the upper plate 111a, the resisting piece 14 is inserted into the buckle groove 114 with the pin 1412, so that the rear side of the resisting piece 14 is fixed on the upper plate 111a. During the swinging process of the swinging plate 142 , the prongs 1412 on the rear side of the resisting piece 14 combine with the buckle groove 114 to provide a stable positioning effect and avoid problems such as displacement of the rear side of the resisting piece 14 .

Please refer to FIG. 5 , FIG. 6 , FIG. 7 and FIG. 8 , the upper plate body 111 a further includes a through hole 1113 located on the outer surface 1111 . Moreover, the through hole 1113 communicates with the slot 112 . In addition, the elastic contact end 121 is correspondingly located in the through hole 1113 . In this embodiment, the resisting piece 14 further includes a perforated hole 1413 located on the main body 141 corresponding to the through hole 1113 , that is, the main body 141 is hollowed out to form the perforated hole 1413 , and the through hole 1113 can be exposed through the perforated hole 1413 . When the spring-type contact end 121 is in contact with the terminal of the receptacle electrical connector 200, the spring-type contact end 121 will swing and be located in the through hole 1113 and the hole 1413, thereby preventing the spring-type contact end 121 from contacting the resisting piece 14, thereby affecting The structure of the elastic contact end 121 and its elastic force.

The utility model protrudes a protrusion on the outer wall of the shielding shell, and when the protrusion of the abutting piece is connected to the shielding shell of the electrical socket connector, a stable contact effect can be provided. Moreover, the shielding shell of the plug electrical connector and the shielding shell of the socket electrical connector are connected to the shielding shell through the resisting piece to effectively perform conduction and grounding, thereby reducing the problem of Electromagnetic Interference (EMI). Moreover, when the protrusion is at a first position, that is, when the electrical plug connector is not inserted into the electrical socket connector, the top of the protrusion protrudes from the through hole, and the protrusion blocks the through hole. When the protrusion is in a second position, that is, when the plug electrical connector and the socket electrical connector are plugged in, the top of the protrusion is located at the perforation but not protruding from the perforation, and the protrusion can also cover the perforation and has good shielding performance. Avoid the problem of radio frequency interference (Radio Frequency Interference, RFI for short) caused by perforation due to poor shielding. When the plug electrical connector and the socket electrical connector are mated, the holes in the shielding shell of the plug electrical connector and the shielding shell of the socket electrical connector are reduced to achieve good protection against electromagnetic interference (EMI) and radio frequency interference (RFI). .

Claims (10)

1. A plug electrical connector, comprising: An insulating main body, including an upper board body, a lower board body and a slot, the slot is located between the upper board body and the lower board body, the upper board body and the lower board body include outer surfaces and grooves, the groove is located on one side of the outer side; The upper row of terminals is located on the lower surface of the upper board body, the upper row of terminals includes an upper row of shrapnel-type contact ends, extending from the slot to transmit a set of first signals; The lower row of terminals is located on the upper surface of the lower board body, the lower row of terminals includes a lower row of shrapnel-type contact ends, extending from the slot to transmit a set of second signals; A shielding shell, which is internally arranged on the insulating body, the shielding shell includes an outer wall and a perforation, the outer wall is opposite to the outer surface, the perforation is on one side of the outer wall, and the perforation is opposite to the groove; and The resisting piece is located on the upper plate and the lower plate and connected to the shielding shell, and it is characterized in that: the resisting piece includes: a body located between the outer surface and the outer wall; a swing plate connected to the body and suspended in the groove; and a protrusion on the swing plate, wherein when the protrusion is in a first position, the top of the protrusion protrudes from the through hole, and when the protrusion is in a second position, the top of the protrusion is displaced to The piercing. 2. The electrical plug connector according to claim 1, wherein the protrusion includes a cylinder and an arc-shaped contact surface, one side of the cylinder is connected to the swing plate, and the other side of the cylinder connected to the arc-shaped contact surface. 3 . The electrical plug connector according to claim 2 , wherein the protruding block includes a concave portion located inside the column and the arc-shaped contact surface. 4 . 4. The electrical plug connector according to claim 2, wherein the arc-shaped contact surface is exposed through the through hole. 5. The electrical plug connector as claimed in claim 1, wherein the swing plate comprises a neck connected to the body. 6 . The electrical plug connector according to claim 1 , wherein the resisting piece comprises an extension plate, which is located on the main body and extends to connect to the inner side of the shielding shell. 7 . 7. The electrical plug connector according to claim 1, wherein the resisting piece includes pins and is located on both sides of the body, and the upper board and the lower board include buckle grooves and are located on the outer surface fixed to the pin on both sides. 8. The electrical plug connector according to claim 1, wherein the upper board and the lower board include through holes located on the outer surface and communicated with the slot, and the upper row of shrapnel type contacts The end and the lower row of elastic contact ends are located in the through hole, and the resisting piece includes a hole, which is located in the body and corresponds to the through hole. 9 . The electrical plug connector according to claim 1 , wherein the upper board and the lower board include a recessed area located on the outer surface, and the resisting piece is disposed in the recessed area. 10 . 10. The electrical plug connector according to claim 1, characterized in that: the insulating body includes a plug-in frame opening located on one side of the slot, the groove is adjacent to the plug-in frame opening, the The swing plate is adjacent to the socket frame opening.