CN205583289U - Electric connector - Google Patents

Abstract

The utility model provides an electrical connector, which comprises an insulating body, upper and lower rows of conductive terminals respectively arranged on the upper and lower sides of the insulating body, and located between the upper row of conductive terminals and the lower row of conductive terminals along the up and down direction. shielding sheet, the upper and lower rows of conductive terminals each include two power terminals and two grounding terminals, and respectively have butt joints exposed on the upper and lower sides of the insulating body, and the power supplies in the upper and lower rows of conductive terminals The butt joints of the terminal and the ground terminal are arranged correspondingly up and down, the shielding sheet is integrally formed with the ground terminal in one row of conductive terminals in the upper and lower rows, and the butt joint of the ground terminal integrally formed with the shielding sheet It is formed by tearing from the shielding sheet. The electrical connector can reduce the assembly of the shielding sheet and the volume of the product, and reduce tolerance accumulation.

Description

an electrical connector

technical field

The utility model relates to the technical field of connectors, in particular to an electric connector which can be plugged in front and back.

Background technique

With the rapid development of science and technology in the electronics industry, the volume of electronic products is developing along the trend of becoming thinner and shorter, which requires the components of electronic products to be smaller and smaller, and the connector industry is the first to bear the brunt .

Due to the requirement for a smaller size of the new generation of USB Type-C connectors, this leads to better mechanical performance requirements and more difficult product design. In order to face thinner and thinner equipment and ensure the reliability of product structure, major manufacturers have launched corresponding structural designs.

In the existing USB Type-C socket connector, the insertion component is composed of an upper insertion component, a middle insertion component and a lower insertion component, wherein the upper insertion component is provided with an upper row of conductive terminals, the middle insertion component is provided with a central shielding piece, and the lower The plug-in component is equipped with a lower row of conductive terminals, thus forming a three-layer structure of the upper row of conductive terminals, the central shield and the lower row of conductive terminals. Cause tolerance accumulation, poor structural stability, and reduce product reliability.

Therefore, it is necessary to provide an improved electrical connector to overcome the above problems.

Utility model content

The purpose of the utility model is to provide an electrical connector with a simple structure, which can effectively reduce the number of assembled parts, improve the strength of the inserted components, and provide good plugging force.

In order to achieve the purpose of the above utility model, the utility model provides an electrical connector, including an insulating body, upper and lower rows of conductive terminals respectively arranged on the upper and lower sides of the insulating body, and the upper row of conductive terminals located along the up and down direction and the shielding sheet between the lower row of conductive terminals, the upper and lower rows of conductive terminals each include two power terminals and two grounding terminals, and have butt joints exposed on the upper and lower sides of the insulating body, the upper and lower rows The butt joints between the power terminals and the grounding terminals in the lower row of conductive terminals are arranged correspondingly up and down, and the shielding sheet is integrally formed with the grounding terminal in one row of conductive terminals in the upper and lower rows, and is integrally formed with the shielding sheet The butt joint part of the ground terminal is formed by tearing from the shielding sheet.

As a further improvement of the utility model, the number of the shielding sheets is a pair, and they are respectively integrally formed with the two grounding terminals in the aforementioned row of conductive terminals.

As a further improvement of the present utility model, each of the grounding terminals is provided with a main body fixed in the insulating body and a welding portion extending backward from the main body to the insulating body, and the shielding piece integrally formed The abutting portion of the ground terminal is connected to the main body through the shielding sheet.

As a further improvement of the present invention, the power terminal in the row of conductive terminals has a main body fixed to the insulating body, a welding portion extending backward from the rear end of the main body out of the insulating body, and connected to the front end of the main body. The base body of the power supply, the butt joint part of the power terminal is torn from the base body of the power supply, and the base body of the power supply and the shielding sheet are located in the same plane.

As a further improvement of the present invention, the width of the power base is greater than the width of the power terminal abutting portion.

As a further improvement of the utility model, the width of the power base is 0.50-1.00 mm.

As a further improvement of the utility model, the upper row of conductive terminals and the lower row of conductive terminals only include two power terminals and two ground terminals respectively, and the two ground terminals in each row are located between the two power terminals. On both sides, two power terminals are adjacently arranged inside the two ground terminals.

As a further improvement of the utility model, the upper row of conductive terminals and the lower row of conductive terminals each only include five conductive terminals, wherein each includes two power terminals and two ground terminals, and also includes a detection terminals, and the two ground terminals in each row are located on both sides, and the two power terminals are adjacently arranged inside the two ground terminals, and the detection terminal is arranged close to one of the power terminals, and the upper and lower rows The detection terminals among the conductive terminals are arranged at intervals along the horizontal direction.

As a further improvement of the utility model, the upper row of conductive terminals and the lower row of conductive terminals only include two power terminals, two ground terminals and four USB terminals respectively. 2.0 signal transmission terminals, in which two grounding terminals in each row are located on both sides, two power supply terminals are adjacently arranged inside the two grounding terminals, and four USB The 2.0 signal transmission terminal is located between two adjacent power terminals, and the four USB terminals in the upper row and the lower row of conductive terminals 2.0 The signal transmission terminals are arranged in reverse.

As a further improvement of the utility model, the insulating body includes an upper and a lower insulating body that are snap-fitted with each other, and the upper and lower rows of conductive terminals are respectively embedded and formed in the corresponding upper and lower insulating bodies.

The beneficial effect of the utility model is that: the shielding sheet of the electrical connector in the utility model is integrally formed with the grounding terminal of the lower row, and the butt joint part of the grounding terminal integrally formed with the shielding sheet is torn from the shielding sheet It is broken and formed, which reduces the assembly of shielding sheets and product volume, and reduces the accumulation of tolerances.

Description of drawings

Fig. 1 is a three-dimensional assembly diagram of the electrical connector of the present invention;

Fig. 2 is a three-dimensional exploded view of the electrical connector in Fig. 1;

Fig. 3 is a three-dimensional exploded view of the insert assembly in Fig. 2;

Fig. 4 is a structural diagram of the shielding sheet and the lower row of conductive terminals in the first embodiment of the electrical connector of the present invention;

Fig. 5 is a structural diagram of another viewing angle of the shielding sheet and the lower row of conductive terminals in Fig. 4;

Fig. 6 is a structural diagram of the combination of the shielding sheet, the upper row of conductive terminals and the lower row of conductive terminals in Fig. 1;

Fig. 7 is a structural diagram of another perspective in which the shielding sheet is combined with the upper row of conductive terminals and the lower row of conductive terminals in Fig. 1;

Fig. 8 is a structural diagram of the upper row of conductive terminals in the first embodiment of the electrical connector of the present invention;

Fig. 9 is a perspective view of the lower insulating body in Fig. 1;

Fig. 10 is a structural diagram of the upper row of conductive terminals in the second embodiment of the electrical connector of the present invention;

Fig. 11 is a structural diagram of the shielding sheet and the lower row of conductive terminals in the second embodiment of the electrical connector of the present invention;

Fig. 12 is a three-dimensional exploded view of the third embodiment of the electrical connector of the present invention;

Fig. 13 is a perspective view of the power terminal in the lower row of conductive terminals in Fig. 12;

FIG. 14 is a side view of the ground terminal in the lower row of conductive terminals in FIG. 12 .

detailed description

The utility model will be described in detail below in conjunction with various embodiments shown in the accompanying drawings. However, these embodiments do not limit the present utility model, and the structural, method, or functional changes made by those skilled in the art according to these embodiments are all included in the protection scope of the present utility model.

Please refer to FIG. 1 to FIG. 5, which is the first embodiment of the electrical connector 100 of the present invention. The electrical connector 100 includes a housing 1, an upper insertion component 2 and a lower insertion component assembled with the upper insertion component 2. Component 3, the housing 1 covers the outer sides of the upper and lower insertion components 2, 3 for shielding electromagnetic interference. The upper insert assembly 2 and the lower insert assembly 3 together constitute an insert assembly.

Please refer to Fig. 1 to Fig. 2, the front end of the housing 1 has an oval docking frame opening, which is compatible with the standard USB The docking frame of the Type-C receptacle connector is consistent, and is used to match the positive and negative insertion of the docking plug connector. At least two welding feet 13 are respectively provided on both sides of the housing 1 , namely a front welding foot 131 and a rear welding foot 132 , and the front and rear welding feet 131 , 132 are set to have a height difference. Preferably, four welding feet 13 are arranged on both sides of the housing 1, and the height of the rear welding feet 132 is higher than the height of the front welding feet 131, so as to ensure that when the electrical connector is soldered on the PCB board, The center of gravity of the electrical connector is backward, so that the welding part of the terminal can be well attached to the solder paste of the PCB board, and the welding quality is enhanced.

Please refer to Fig. 3 to Fig. 8, the above inserting assembly 2 includes an upper insulating body 21 and an upper row of conductive terminals 22 fixed in the upper insulating body 21; the lower inserting assembly 3 includes a lower insulating body 31 and a fixed The lower row of conductive terminals 32 in the lower insulating body 31 . In a preferred embodiment of the present invention, the upper and lower rows of conductive terminals 22, 32 are respectively fixed to the upper and lower insulating bodies 21, 22 by insert molding. In other embodiments, also Can be assembled. The upper insulating body 21 and the lower insulating body 31 together form an insulating body of the electrical connector 100 . The upper and lower rows of conductive terminals 22, 32 are respectively arranged on the upper side and the lower side of the insulating body, and only four terminals are provided respectively.

The upper row of conductive terminals 22 is only provided with a first terminal 221, a second terminal 222, a third terminal 223 and a fourth terminal 224 in sequence, and the first terminal 221, the second terminal 222, the third terminal 223 and the fourth terminal 224 are preferably ground terminals, power terminals, power terminals and ground terminals in turn; the lower row of conductive terminals 32 are sequentially provided with a first terminal 321, a second terminal 322, a third terminal 323 and a fourth terminal 324, and the lower row The first terminal 321 , the second terminal 322 , the third terminal 323 and the fourth terminal 324 of the conductive terminals 32 are preferably a ground terminal, a power terminal, a power terminal and a ground terminal in sequence.

The electrical connector also has a shielding plate 33 located between the upper row of conductive terminals 22 and the lower row of conductive terminals 32 along the thickness direction of the insulating body. In a preferred embodiment of the present invention, the shielding piece 33 is integrally formed with the grounding terminal in the lower row of conductive terminals 32 and embedded in the lower insulating body 31 at the same time, so as to jointly form the lower insertion assembly 3 . In other embodiments, the shielding piece 33 can also be integrally formed with the grounding terminal in the upper row of conductive terminals 22 and embedded in the upper insulating body 21 at the same time, so as to jointly constitute the upper insertion component 2 .

Please refer to Fig. 4 and Fig. 5, the number of the shielding sheets 33 is a pair, and they are integrally formed with the two grounding terminals 321, 324 in the lower row of conductive terminals 32 respectively, each of the shielding sheets 33 from its The base body 331 protrudes downward to form a plate-shaped grounding portion 332 , and the grounding portion 332 is at a different level from the base body 331 of the shielding sheet 33 . Preferably, the grounding portion 332 is formed by tearing from the shielding sheet 33 , and serves as the butt joint portion of the grounding terminals 321 , 324 integrally formed therewith.

Specifically, the shielding sheet 33 includes a first shielding sheet 33a and a second shielding sheet 33b. The first shielding sheet 33a and the first terminal 321 of the lower row of conductive terminals 32 are formed on the same metal sheet. The second shielding piece 33 b is formed on the same metal sheet as the fourth terminal 324 in the lower row of conductive terminals 32 . Since the first terminal 321 and the fourth terminal 324 in the lower row of conductive terminals 32 are preferably ground terminals, the grounding shielding effect is better, thereby reducing electromagnetic interference between the upper row of conductive terminals 22 and the lower row of conductive terminals 32 .

Compared with the existing electrical connector, the utility model is only formed by superimposing two parts of the upper insertion assembly 2 and the lower insertion assembly 3, omitting the existing middle insertion assembly, and optimizing the original three-layer structure to two layers The structure reduces the number of parts assembled, optimizes the product structure, reduces the accumulation of tolerances, and helps to ensure the stability of the product. In a preferred embodiment of the present invention, the shielding sheet 33 is made of metal, so under the support of the shielding sheet 33, the metal area in the lower insertion assembly 3 is increased, which can effectively improve the performance of the lower insertion assembly 3. strength, and improve the strength of the plug-in components of the electrical connector 100 as a whole. The upper inserting component 2 and the lower inserting component 3 are preferably assembled by snap-fitting, but not limited thereto.

At the same time, both sides of the shielding sheet 33 are provided with notches 333 for engaging with the mating plug connector, and the notches 333 on both sides can provide plugging force for the electrical connector 100, so that the electrical connector 100 is more reliable when docked with the plug connector.

Referring to FIGS. 2 to 7 , the shielding piece 33 extends horizontally forward beyond the front end of the lower insulating body 31 . The grounding portion 332 of the shielding sheet 33 is the docking portion of the grounding terminals 321, 324 integrally formed with the shielding sheet 33, and each of the grounding terminals 321, 324 also includes a main body fixed in the lower insulating body 31 32a and a soldering portion 32c extending backward from the main body portion 32a and electrically connected to a circuit board (not shown). The grounding portion 332 of the shielding sheet 33 together with the main body portion 32a and the welding portion 32c corresponding to the grounding terminal form a complete grounding terminal.

In the utility model, the shielding sheet 33 is integrally formed with the two grounding terminals in the lower row of conductive terminals 32 respectively, and the shielding sheet 33 is welded to the external circuit board through the welding part 32c corresponding to the grounding terminal, and no additional welding part is required . Preferably, the welding portion 32c is surface-welded to the external circuit board by SMT technology, which can improve welding efficiency.

Further, the grounding portion 332 of the shielding sheet 33 is on the same level as the main body portion 32a of the grounding terminal, and is also on the same level as the butt joint portion 32b of the power terminal in the same row. The shielding sheet 33 is arranged between the upper row of conductive terminals 22 and the lower row of conductive terminals 32, so that the upper row of conductive terminals 22, the shielding sheet 33, and the lower row of conductive terminals 32 form a three-layer structure, and the shielding sheet 33 can effectively shield Electromagnetic interference between the upper row of conductive terminals 22 and the lower row of conductive terminals 32 .

Please refer to FIG. 3 , FIG. 4 , FIG. 8 and FIG. 9 , in the first embodiment of the present utility model, the lower insulating body 31 is provided with twelve grooves to share the existing mold. Specifically, the lower insulating body 31 is sequentially provided with a first groove 311, a second groove 312, a third groove 313, a fourth groove 314, a fifth groove 315, a sixth groove 316, a The seventh groove 317 , the eighth groove 318 , the ninth groove 319 , the tenth groove 3110 , the eleventh groove 3111 and the twelfth groove 3112 . The first terminal 321 of the lower row of conductive terminals 32 is arranged in the first groove 211, the second terminal 322 is arranged in the fourth groove 214, and the third terminal 323 is arranged in the ninth groove 219 , the fourth terminal 324 is disposed in the twelfth groove 2112 .

Each of the upper row of conductive terminals 22 includes a butt portion 22b exposed on the upper side of the insulating body, a main body portion 22a fixed to the upper insulating body 21 , and a soldering portion 22c for electrically connecting with a circuit board.

It should be noted that, in this embodiment, the lower insulating body 31 is provided with twelve grooves, and the upper row of conductive terminals 22 and the lower row of conductive terminals 32 have only four terminals respectively, which greatly saves on the condition of satisfying power transmission. The number of terminals reduces production costs. Correspondingly, the type and arrangement order of the terminals can also be selected according to the actual situation.

Figure 10 and Figure 11 show the second embodiment of the present utility model, compared with the first embodiment, the upper row of conductive terminals 22' has the same first to fourth terminals 221', 222', 223', 224' , the difference is that: the upper and lower rows of conductive terminals 22', 32' each only include eight terminals. There are four middle USB 2.0 signal transmission terminals on the upper row of conductive terminals 22 ′, that is, the fifth terminal 225 ′, the sixth terminal 226 ′, the seventh terminal 227 ′ and the eighth terminal 228 ′. Correspondingly, besides the first to fourth terminals 321', 322', 323', 324' identical to the lower row of conductive terminals 32' in the first embodiment, the lower row of conductive terminals 32' is also provided with four The USB 2.0 signal transmission terminals in the middle are the fifth terminal 325', the sixth terminal 326', the seventh terminal 327' and the eighth terminal 328', the fifth terminal 325' is arranged in the fifth groove, and the The sixth terminal 326' is disposed in the sixth groove, the seventh terminal 327' is disposed in the seventh groove, and the eighth terminal 328' is disposed in the eighth groove.

The fifth terminal 225', sixth terminal 226', seventh terminal 227' and eighth terminal 228' in the upper row of conductive terminals 22' are preferably CC1 terminal, Dp1 terminal, Dn1 terminal and RFU1 terminal in sequence; The fifth terminal 325', sixth terminal 326', seventh terminal 327' and eighth terminal 328' in the lower row of conductive terminals 32' are preferably CC1 terminal, Dp1 terminal, Dn1 terminal and RFU1 terminal in sequence; To limit, power transmission and information transmission can be effectively realized, the charging function of the electrical connector 100 can be ensured, and the application of USB2.0 can be satisfied. Moreover, the four USB 2.0 signal transmission terminals in the upper row and the lower row of conductive terminals are reversely arranged.

It should be noted that, in the second embodiment of the present utility model, the upper insulating body 21 and the lower insulating body 31 are respectively provided with twelve grooves, and the upper row of conductive terminals 22' and the lower row of conductive terminals 32' are respectively provided with eight grooves. Terminals, in the case of meeting the charging function and USB2.0 application, greatly saves the number of terminals and reduces production costs. Correspondingly, the type and arrangement order of the terminals can also be selected according to the actual situation.

Please refer to Fig. 12 to Fig. 14, which is the third embodiment of the present utility model. The electrical connector also has upper and lower insertion components 2'', 3'', wherein the upper insertion component 2'' includes an upper insulation The main body 21'' and the upper row of conductive terminals 22'' fixed on the upper insulating body 21'', the lower insertion component 3'' includes the lower insulating body 31'', and the integrally formed shielding sheet 33'' and the lower A row of conductive terminals 32''.

The upper row of conductive terminals 22 ″ and the lower row of conductive terminals 32 ″ each only include five terminals. The first terminal 221'', the second terminal 222'', the third terminal 223'' and the fourth terminal 224'' of the upper row of conductive terminals 22'' are the same as those in the first embodiment of the present invention , the first terminal 221 ″ and the fourth terminal 224 ″ are ground terminals, and the second terminal 222 ″ and the third terminal 223 ″ are power supply terminals. The lower row of conductive terminals 32'' has a first terminal 321'', a second terminal 322'', a third terminal 323'' and a fourth terminal 324'', wherein the first terminal 321'' and the fourth terminal 324 '' is a ground terminal, and the second terminal 322'' and the third terminal 323'' are power supply terminals. The upper row of conductive terminals 22 ″ and the lower row of conductive terminals 32 ″ respectively have a detection terminal 225 ″, 325 ″ located between the same row of power terminals along the lateral direction. The detection terminals 225 ″, 325 ″ are arranged close to one of the power terminals in the same row, and the detection terminals in the upper and lower rows of conductive terminals are arranged at intervals along the horizontal direction.

The grounding terminals 321', 324'' in the lower row of conductive terminals 32'' have the same structure and are symmetrically distributed, which are roughly the same in structure as the grounding terminals 321, 324 in the lower row of conductive terminals 32 in the first embodiment. The difference between the new third embodiment and the first embodiment is that the power terminals 322'' and 323'' have a main body part 32a'' fixed on the insulating body and a power base body 32A'' connected to the front end of the main part 32a'' The butt joint 32B'' is torn from the power base 32A'' to contact with the docking connector. The grounding parts 332'' of 321', 324'' are located on the same horizontal plane, and the power base 32A'' of the power terminals 322'', 323'' and the grounding base 331'' of the grounding terminals 321'', 324'' are located same level.

The width of the power base 32A" of the power terminals 322 ″, 323 ″ is greater than the width of the abutting portion of the power terminals. The width of the power base 32A'' is preferably 0.50-1.00 mm. If the width is less than 0.50 mm, it is difficult to transmit large currents. If the width is greater than 1.00 mm, there is a risk of short circuit. More preferably, the power base 32A'' has a width of 0.50-0.80 mm.

Since the ground terminal and the power terminal in the lower row of conductive terminals of the utility model both adopt a tearing structure, and the width of the power base body of the power terminal is larger than that of the corresponding butt joint, the area of the power terminal is larger, which can improve the ability of the product to pass through large currents. Reliability and simplicity, effectively solve the problem of high temperature when transmitting large current, so as to achieve the purpose of transmitting high current.

In the three embodiments of the present utility model, the positions of the butt joints of the upper row of conductive terminals and the lower row of conductive terminals on the insulating body are all set to be the same as those of the corresponding terminals on the standard USB Type-C receptacle connector. The settings are the same.

It should be understood that although this description is described according to implementation modes, not each implementation mode only includes an independent technical solution. The technical solutions in the implementation manners can also be properly combined to form other implementation manners understandable by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions for the feasible implementation modes of the present utility model, and they are not used to limit the protection scope of the present utility model. Embodiments or modifications should be included within the protection scope of the present utility model.

Claims (10)

1. An electrical connector comprising an insulating body, an upper and a lower row of conductive terminals arranged on the upper and lower sides of the insulating body respectively, and a shield between the upper row of conductive terminals and the lower row of conductive terminals along the up-down direction The upper and lower rows of conductive terminals each include two power terminals and two grounding terminals, and have butt joints exposed on the upper and lower sides of the insulating body respectively, the power terminals and the lower row of conductive terminals in the upper and lower rows The butt joints of the grounding terminals are arranged correspondingly up and down, and it is characterized in that: the shielding sheet is integrally formed with the grounding terminals in one row of conductive terminals in the upper and lower rows, and the grounding terminal integrally formed with the shielding sheet The butt joint is formed by tearing from the shielding sheet. 2 . The electrical connector according to claim 1 , wherein the number of the shielding pieces is a pair, which are respectively integrally formed with two grounding terminals in the row of conductive terminals. 3 . 3. The electrical connector according to claim 1, wherein each of the grounding terminals is provided with a main body fixed in the insulating body and a welding portion extending backward from the main body to the insulating body, The abutting portion of the ground terminal integrally formed with the shielding sheet is connected to the main body through the shielding sheet. 4. The electrical connector according to claim 1, characterized in that: the power terminal in the row of conductive terminals has a main body fixed to the insulating body, and extends out of the insulating body from the rear end of the main body The welding part of the power supply base connected to the front end of the main body, the butt joint part of the power supply terminal is torn from the power supply base, and the power supply base and the shielding sheet are located in the same plane. 5 . The electrical connector according to claim 4 , wherein a width of the power base body is greater than a width of the power terminal mating portion. 6 . 6. The electrical connector according to claim 5, wherein the width of the power base is 0.50-1.00 mm. 7. The electrical connector according to any one of claims 1 to 6, wherein the upper row of conductive terminals and the lower row of conductive terminals each only include two power terminals and two ground terminals, Moreover, the two ground terminals in each row are located on both sides of the two power terminals, and the two power terminals are adjacently arranged inside the two ground terminals. 8. The electrical connector according to any one of claims 1 to 6, wherein the upper row of conductive terminals and the lower row of conductive terminals each only include five conductive terminals, wherein each excludes In addition to two power terminals and two ground terminals, there is also a detection terminal, and the two ground terminals in each row are located on both sides, and the two power terminals are adjacently arranged inside the two ground terminals. The detection terminals are arranged close to one of the power terminals, and the detection terminals in the upper and lower rows of conductive terminals are arranged at intervals along the horizontal direction. 9. The electrical connector according to any one of claims 1 to 6, wherein the upper row of conductive terminals and the lower row of conductive terminals only include two power terminals, two ground terminals and Four USB 2.0 signal transmission terminals, among which, two ground terminals in each row are located on both sides, two power supply terminals are adjacently arranged inside the two ground terminals, and four USB 2.0 signal transmission terminals are located on the adjacent two power supply terminals Between the terminals, and the four USB 2.0 signal transmission terminals in the upper row and the lower row of conductive terminals are arranged in reverse. 10. The electrical connector according to claim 1, wherein the insulating body comprises upper and lower insulating bodies that are snap-fitted with each other, and the upper and lower rows of conductive terminals are respectively embedded and molded in the corresponding upper and lower rows. Lower insulating body.