TWM593083U - Electrical connector - Google Patents

Abstract

This creation discloses an electrical connector. The electrical connector includes an insulating body composed of a first body and a second body: the first body has a first base and the first base Both sides have a first buckle groove formed by a depression, and both sides of the first base portion also have a limiting portion formed by projecting backward, and the limiting portion has a first limiting block formed by projecting inward; The second body is mounted on the first body, the second body has a second base portion, and both sides of the second base portion have outwardly protruding locking blocks, the locking blocks Assembled in the first buckle groove, two sides of the second base portion also have outwardly extending holding blocks formed, the holding blocks are installed below the first limiting block so that The first body and the second body are combined into an insulating body.

Description

Electrical connector

This creation relates to an electrical connector, in particular to an electrical connector that can simplify manufacturing steps and manufacturing costs.

The previous electrical connector includes a first terminal group, a second terminal group, a first body and a second body. When manufacturing, the first body and the second body are formed on the first A terminal group and a second terminal group; then the first body and the second body are stacked to perform a secondary molding to combine the first body and the second body.

However, the molding method of this insulating body needs to be overmolded, which requires more machines, materials and time in manufacturing.

Therefore, it is necessary to provide an electrical connector that can simplify manufacturing steps and manufacturing costs.

The purpose of this creation is to provide an electrical connector that can simplify manufacturing steps and manufacturing costs.

In order to achieve the above object, the present invention discloses an electrical connector, including: an insulating body, the insulating body is composed of a first body and a second body: the first body has a first base, the first A base portion has a tongue plate portion formed to protrude forward, the upper surface of the tongue plate portion further has a second terminal accommodating groove formed by a plurality of depressions, and a rear end of the first base portion has a first A guide portion, the bottom of the first guide portion has a plurality of first terminal grooves formed by recessing upwards and forwardly through the first base portion to the tongue plate portion, and both sides of the first base portion are formed with recesses A first buckle groove, both sides of the first guide portion have a limit portion formed by protruding backward, and an inner side of the limit portion has a first limit block formed by protruding inward; the second The body is mounted on the first body, the second body has a second base, the second base has an extension formed by protruding forward, and one end of the second base has a downward protrusion A second guide portion is formed, and a plurality of second terminal grooves are opened at the bottom of the second guide portion, and the second terminal groove extends upward along the second guide portion and the second base portion The extension part, the second terminal groove and the second terminal accommodating groove are connected, and the second guide part is installed behind the first guide part of the first body and the two limits Between the positions, two sides of the second base have outwardly protruding buckle blocks, the buckle blocks are assembled in the first buckle grooves, so that the first body and the second body Assembled into an insulating body, both sides of the second guide part further have a locking block formed by protruding outward, and after the locking block passes through the first limiting block of the first body, the holding The block is clamped by the first limiting block under the first limiting block, so that the first body and the second body are combined into an insulating body; a first terminal group, the first The terminal is provided in the first terminal slot, the first terminal group has a plurality of terminals; a second terminal group, the second terminal is provided in the second terminal slot, the second terminal group has a plural number Connect the terminals.

As mentioned above, the structure of the original electrical connector can also be directly combined into the insulating body by assembling through the structure provided on the first body and the second body, which can save the need in the prior art The secondary molding step, thereby reducing production costs. The first material bridge, the second material bridge and the reduced material space caused by the clamping of the mold, the mold flow when the first body and the second body are formed will not make the first terminal group And the second terminal group is shifted, thus increasing the stability during manufacturing.

In order to explain in detail the technical content, structural features, achieved goals and effects of this creation, the following examples are given in conjunction with the drawings to explain in detail.

Please refer to the first and second figures. The electrical connector 100 of the present invention includes an insulating body 3, a first terminal group 1, a second terminal group 2, a grounding shell 4, at least one shielding shell 5, and an inner shell 6 And a shell 7.

Please refer to the second to fourth and eleventh figures. The insulating body 3 is composed of a first body 31 and a second body 32. The insulating body 3 has at least one material reduction space. The space is a space generated when the first terminal group 1 or the second terminal group 2 is clamped by a mold to form the insulating body 3 during manufacturing.

The first body 31 has a first base 310, the first base 310 has a tongue portion 311 protruding forward, and the upper surface of the first base 310 has a first accommodating groove formed by a recess 312, the first accommodating groove 312 is provided with at least one opening, and the opening is provided corresponding to the material bridge. Specifically, two first openings 3121 are defined in the first receiving groove 312. A second opening 3122 is also defined in the first receiving slot 312. The first accommodating groove 312 further has a second accommodating groove 3111 formed by recessing toward the tongue plate portion 311, and both sides of the second accommodating groove 3111 have outwardly formed through the tongue plate portion 311 Slot 3112. The upper surface of the tongue plate portion 311 further has a plurality of recessed second terminal accommodating grooves 3113. Both sides of the first base 310 have a first buckle groove 3101 formed by depressions, the first accommodating groove 312 further has two second buckle grooves 3102 formed by downward depressions, the second buckle The groove 3102 has an external interface 3103 formed through the first base 310. The bottom of the first base 310 has a third accommodating groove 3104 formed by a depression. The first base 310 further has two buckles that penetrate the first accommodating groove 312 and the third accommodating groove 3104 Opening 3105. The third accommodating groove 3104 has a protrusion 313 formed by protruding downward, and the lower surface of the protrusion 313 has a fourth accommodating groove 3131 formed by a depression. The fourth accommodating groove 3131 has a fourth locking groove 3132 formed by two depressions. The rear end of the first base 310 has a first guide portion 314 formed to protrude downward, and the bottom of the first guide portion 314 has a plurality of upward depressions and forward depressions through the first base 310 to the tongue plate portion 311。 The first terminal groove 3141 is formed. The lower surface of the tongue portion 311 is also provided with a plurality of connection openings 3114 communicating with the first terminal slot 3141, and the connection portion of each terminal in the first terminal group 1 is exposed downward to the connection Opening 3114. Both sides of the first guiding portion 314 have a limiting portion 315 formed by protruding backward, and an inner side of the limiting portion 315 has a first limiting block 3151 formed by protruding inward. The bottom of the first guiding portion 314 also has a first material reduction space 3142 formed by a plurality of depressions, the first material reduction space 3142 is provided between each two of the first terminal grooves 3141, and A part of the first terminal groove 3141 is in communication.

The second body 32 is integrally formed and wrapped around the second terminal group 2. The second body 32 has a second base portion 321, and two sides of the second base portion 321 have outwardly protruding locking blocks 3211, the locking blocks 3211 are assembled in the first locking groove 3101 In this way, the first body 31 and the second body 32 are combined to form the insulating body 3, and the upper surface of the second base portion 321 has a recessed fifth accommodating groove 3212 formed in the front of the upper surface, the fifth accommodating groove 3212 has a fifth locking groove 3213 formed by two depressions. The second base portion 321 has an extension portion 322 formed to protrude forward, and an upper surface of the extension portion 322 has a second limiting block 3221 formed to protrude upward, the second limiting block 3221 and the The second base portion 321 defines a receiving surface 3222 on the upper surface of the extending portion 322. One end of the second base portion 321 has a second guide portion 323 formed by protruding downward. A plurality of second terminal grooves 3231 are formed at the bottom of the second guide portion 323, and the second terminal groove 3231 is upward The extension portion 322 is finally penetrated along the second guide portion 323 and the second base portion 321. The front surface of the second guide portion 323 also has a plurality of second material reduction spaces 3232 formed by a plurality of inward depressions, the second material reduction space 3232 and each of the second A part of the terminal groove 3231 communicates. The front surface of the second guide portion 323 also has a third material reduction space 3233 formed by a plurality of recesses, the third material reduction space 3233 and the two second terminal grooves 3231 on the second base portion 321 Partly connected. The upper surface of the second base portion 321 further has a fourth material reduction space 3214 formed by a plurality of depressions, the fourth material reduction space 3214 and a part of every two second terminal grooves 3231 on the second guide portion 323 Connected. During assembly, the second body 32 is mounted on the first body 31, and the second terminal groove 3231 is connected to the second terminal accommodating groove 3113. Both sides of the second guide portion 323 further have a locking block 3232 formed to protrude outward. During assembly, the second guide portion 323 is installed on the first guide portion of the first body 31 between 314 and rear portion 315 of the two limiting, the latching block 3232 through the first body 31 of the first stopper 3151, 3232 of the clamping member is in the first limit The lower part of the positioning block 3151 is clamped by the first limiting block 3151, so that the first body 31 and the second body 32 are combined into the insulating body 3.

Referring to the fifth figure, the first terminal group 1 has a plurality of terminals, and the first terminal 1 is installed in the first terminal groove 314. During manufacture, at least one material bridge is provided between the plurality of terminals, and the material bridge connects at least two of the terminals to fix each other. Specifically, the plural terminals include a pair of first terminals 11, a pair of second terminals 12, a pair of third terminals 13, and a pair of fourth terminals 14. The two first terminals 11 are opposite to each other. The first terminal 11 has a first fixing portion 111. The first fixing portion 111 has a first extending portion 112 formed obliquely forward. The portion 112 extends forward to form a first connecting portion 113. The other end of the first fixing portion 111 has a first vertical portion 114 formed to extend downward, and the first vertical portion 114 extends backward to form a first external portion 115.

The two second terminals 12 are respectively disposed on opposite sides of the two first terminals 11, the second terminal 12 has a second fixing portion 121, and the second fixing portion 121 has a diagonally forward extension The second extending portion 122 is formed, and the second extending portion 122 extends forward to form a second connecting portion 123. The other end of the second fixing portion 121 has a second vertical portion 124 extending downward, and the second vertical portion 124 extends rearward to form a second external portion 125.

The two third terminals 13 are respectively disposed on opposite sides of the two second terminals 12, the third terminal 13 has a third fixing portion 131, and the third fixing portion 131 has a diagonally extending forward The third extending portion 132 is formed, and the third extending portion 132 extends forward to form a third connecting portion 133. The other end of the third fixing portion 131 has a third vertical portion 134 extending downward, and the third vertical portion 134 extends backward to form a third external portion 135. During manufacturing, there is a first bridge 15 between the first connection portion 113 of the first terminal 11, the second connection portion 123 of the second terminal 12 and the third connection portion 133 of the third terminal 13 , The two first material bridges 15 are provided corresponding to the two first openings 3121, and the first material bridge 15 connects the first connecting portion 113, the second connecting portion 123, and the third connecting portion 133 connected.

The two fourth terminals 14 are respectively disposed on opposite sides of the two third terminals 13. The fourth terminal 14 has a fourth fixing portion 141, and the fourth fixing portion 141 has a diagonally extending front The fourth extending portion 142 is formed, and the fourth extending portion 142 extends forward to form a fourth connecting portion 143. The other end of the fourth fixing portion 141 has a fourth vertical portion 144 extending downward, and the fourth vertical portion 144 extends backward to form a fourth external portion 145. During manufacturing, a second material bridge 16 is provided between the fourth connection portion 143 of the fourth terminal 14 and the third connection portion 133 of the third terminal 13, the second material bridge 16 corresponds to the first Two openings 3122 are provided, and the second bridge 16 connects the third connection portion 133 and the fourth connection portion 143. After the first body 31 is formed on the first terminal group 1, the first material bridge 15 and the second material bridge 16 can be cut off through the first opening 3121 and the second opening 3122 .

The second terminal group 2 has a plurality of connection terminals, and the second terminal group 2 is installed in the second terminal groove 3231. The connection terminals include a pair of fifth terminals 21, a pair of sixth terminals 22, a pair of seventh terminals 23, and a pair of eighth terminals 24. The two fifth terminals 21 are opposite to each other. The fifth terminal 21 has a fifth fixing portion 211. The fifth fixing portion 211 has a fifth extending portion 212 extending obliquely forward. The portion 212 extends forward to form a fifth connecting portion 213. The other end of the fifth fixing portion 211 has a fifth vertical portion 214 extending downward, and the fifth vertical portion 214 extends rearward to form a fifth external portion 215.

The two sixth terminals 22 are respectively disposed on opposite sides of the two fifth terminals 21, the sixth terminal 22 has a sixth fixing portion 221, and the sixth fixing portion 221 has a diagonally extending forward The sixth extending portion 222 is formed, and the sixth extending portion 222 extends forward to form a sixth connecting portion 223. The other end of the sixth fixing portion 221 has a sixth vertical portion 224 extending downward, and the sixth vertical portion 224 extends rearward to form a sixth external portion 225.

The two seventh terminals 23 are respectively disposed on opposite sides of the two sixth terminals 22, the seventh terminal 23 has a seventh fixing portion 231, and the seventh fixing portion 231 has a diagonally forward extension The seventh extending portion 232 is formed, and the seventh extending portion 232 extends forward to form a seventh connecting portion 233. The other end of the seventh fixing portion 231 has a seventh vertical portion 234 extending downward, and the seventh vertical portion 234 extends rearward to form a seventh external portion 235.

The two eighth terminals 24 are respectively disposed on opposite sides of the two seventh terminals 23, the eighth terminal 24 has an eighth fixing portion 241, and the eighth fixing portion 241 has a diagonally extending front An eighth extending portion 242 is formed, and the eighth extending portion 242 extends forward to form an eighth connecting portion 243. The other end of the eighth fixing portion 241 has an eighth vertical portion 244 extending downward, and the eighth vertical portion 244 extends rearward to form an eighth external portion 245.

Please refer to the second, third and ninth figures. The grounding shell 4 is disposed in the first accommodating slot 312 and the second accommodating slot 3111 and is exposed to the slot 3112 outward. Both sides of the grounding shell 4 have a first buckling portion 41 formed to protrude downward. The first buckling portion 41 is installed in the second buckling groove 3102 and exposed to the external interface 3103 outwardly.

Please refer to the second, third, ninth, and tenth figures. The shielding shell 5 is mounted on the insulating body 3, and the shielding shell 5 has latching portions formed vertically protruding on both sides 51, one of the locking portions 51 has a locking block 511 formed by protrusion, and the other locking portion 51 has a locking groove 512 formed by a recess. The shielding shell 5 has a fixing portion 52 formed with protrusions, and two sides of the fixing portion 52 have second locking portions 521 formed with protrusions formed vertically.

In this embodiment, two shielding shells 5 are provided, one of which is installed in the third accommodating groove 3104 and the fourth accommodating groove 3182 of the first body 31, two of the cards The buckle portions 51 are respectively installed in the two buckle openings 3105, the fixing portion 52 is installed in the fourth accommodating groove 3182, and the two second buckling portions 521 are respectively installed in the two The fourth snap groove 3132.

The other shielding shell 5 is installed on the accommodating surface 3222 of the second body 32, the two locking portions 51 are exposed on both sides of the accommodating surface 3222, and the fixing portion 52 is installed In the fifth locking groove 3213, the two second locking portions 521 are respectively installed in the two fourth locking grooves 3132. When the first body 31 and the second body 32 are assembled, the buckle openings 3105 of the first body 31 are located on both sides of the accommodating surface 3222, so that the two buckle portions 51 can be installed in two places In the buckle opening 3105, at this time, the buckle block 511 is engaged with the buckle portion 51 of the other shield shell 5, and the buckle portion 51 is locked with the other shield shell 5 The blocks 511 are engaged, so that the two shielding shells 5 are fixed in the first body 31 and the second body 32.

Please refer to the first picture, the second picture and the sixth picture, the inner shell 6 covers the insulating body 3, and both sides of the inner shell 6 further have a locking block 61 protruding downward, the The buckling block 61 is provided corresponding to the first buckling portion 41 of the grounding shell 4. The buckling block 61 is installed in the first buckling groove 3101 of the first body 31.

The outer shell 7 covers the inner shell 6. Both sides of the outer shell 7 are provided with openings 71. The two openings 71 are corresponding to the locking blocks 61 of the inner shell 6.

Please refer to the second picture, the seventh picture and the eighth picture. When the electric connector 100 is manufactured, the first terminal group 1, the second terminal group 2 and the grounding shell 4 are formed on a material strip . The first body 31 is molded to cover the first terminal group 1 and the grounding shell 4. Then, the first material bridge 15 and the second material bridge 16 in the first terminal group 1 are cut through the first opening 3121 and the second opening 3122. The second body 32 is molded to cover the second terminal group 2. Finally, the first body 31 and the second body 32 are combined into an insulating body 3, and the inner shell 6 and the outer shell 7 sequentially cover the insulating body 3, thus completing the creation of the electrical connector 100 manufacture.

When the original electrical connector 100 is manufactured, the arrangement of the first terminal group 1 and the second terminal group 2 is easily affected by the mold flow when the first body 31 and the second body 32 are formed, resulting in the The terminals in the first terminal group 1 and the second terminal group 2 are displaced. Therefore, it is necessary to add the first material bridge 15 and the second material bridge 16 to the first terminal group 1 and use a mold to clamp and fix the first terminal group 1 and the second terminal group 2 When the first body 31 and the second body 32 are formed, the terminals in the first terminal group 1 and the second terminal group 2 can maintain a fixed position. The first reduced material space 3142, the second reduced material space 3232, and the third reduced material space 3233 are all generated by the mold clamping and fixing the positions of the first terminal group 1 and the second terminal group 2, so that The first body and the second body 32 can be stably formed on the first terminal group 1 and the second terminal group 2, respectively.

Please refer to the first, sixth and ninth figures. The first buckling portion 41 of the grounding shell 4 is installed in the second buckling groove 3102 and is exposed to the external interface 3103 outward. The inner side of the buckle block 61 of the shell 6 is attached to the first buckle portion 41, and the buckle block 61 and the first buckle portion are fixed to each other by laser welding, thus forming a Loop, can achieve better high frequency characteristics.

As mentioned above, the original electrical connector 100 can be directly combined into the insulating body 3 by assembling through the structure provided on the first body 31 and the second body 32, so that the prior art can be omitted The secondary molding step required in the process reduces the production cost. The first material bridge 15, the second material bridge 16 and the material reduction space caused by the clamping of the mold will not cause the mold flow when the first body 31 and the second body 32 are formed. The first terminal group 1 and the second terminal group 2 are offset, thus increasing the stability during manufacturing.

100: electrical connector 1: the first terminal group 11: First terminal 111: The first fixed part 112: The first extension 113: First connection 114: The first vertical part 115: The first external unit 12: second terminal 121: Second fixed part 122: Second extension 123: Second connection 124: second vertical part 125: second external part 13: Third terminal 131: Third fixed part 132: Third extension 133: Third connection 134: Third vertical part 135: third external part 14: Fourth terminal 141: Fourth fixed part 142: Fourth extension 143: Fourth connection 144: Fourth vertical part 145: Fourth External Department 15: First Bridge 16: Second feed bridge 2: The second terminal group 21: Fifth terminal 211: Fifth fixed part 213: Fifth connection 214: Fifth vertical section 215: Fifth External Department 22: Sixth terminal 221: Sixth fixed part 222: Sixth extension 223: Sixth connection 224: Sixth vertical section 225: Sixth External Department 23: Seventh terminal 231: The seventh fixed part 232: Seventh extension 233: Seventh connection 234: seventh vertical part 235: Seventh External Department 24: Eighth terminal 241: Eighth fixed part 243: Eighth connection 244: Eighth vertical section 245: Eighth External Department 3: Insulation body 31: First body 310: first base 3101: first snap slot 3102: Second snap groove 3103: External interface 3104: third receiving slot 3105: snap opening 311: tongue plate 3111: Second receiving slot 3112: Slotted 3113: Second terminal receiving groove 3114: Connection opening 312: The first receiving slot 3121: the first opening 3122: Second opening 313: bump 3131: Fourth receiving slot 3132: Fourth snap groove 314: The first guide 3141: First terminal slot 3142: the first reduction space 315: Limit part 3151: Limit block 32: Second body 321: Second base 3211: Buckle block 3212: Fifth receiving slot 3213: Fifth snap groove 3214: Fourth reduction space 322: Extension 3221: Limit block 3222: Receiving surface 323: Second guide 3231: Second terminal slot 3232: Second material reduction space 3233: the third reduction space 4: ground shell 41: The first snap part 5: Shielding shell 51: Buckle 52: fixed part 521: Second snap part 6: inner shell 61: snap block 7: Shell 71: opening

[The first picture] is a perspective view of the electric connector of this creation. [Second Picture] is the exploded perspective view of the first picture. [Third Picture] is another perspective exploded view of some components of the electrical connector in the second picture. [Fourth figure] is another perspective exploded view of some components of the electrical connector in the second figure. [Fifth figure] It is a perspective view of the terminal in the second figure when the electrical connector is manufactured [Sixth figure] is another perspective exploded view of some components of the electrical connector in the second figure. [Seventh figure] It is a plan view before the material bridge is cut off when the first body is formed on the first terminal group in the electric connector of this creation. [Eighth figure] It is a plan view after the material bridge is cut off when the first body is formed on the first terminal group in the electric connector of this creation. [The ninth picture] is a perspective view of the assembly of some components in the electric connector of this creation. [Tenth Picture] is a sectional view of the X-X line in the ninth picture. [Figure 11] is a cross-sectional view of line XI-XI in Figure 9.

2: The second terminal group

3: Insulation body

31: First body

3101: first snap slot

3103: opening

311: tongue plate

32: Second body

3211: Buckle block

3214: Fourth reduction space

4: ground shell

41: The first snap part

5: Shielding shell

Claims (11)

An electrical connector includes: an insulating body composed of a first body and a second body: the first body has a first base, and the first base has a forward protrusion Tongue plate portion, the upper surface of the tongue plate portion also has a plurality of recessed second terminal accommodating grooves, the rear end of the first base portion has a first guide portion projecting downward, the first The bottom of a guide portion has a plurality of first terminal grooves formed by recessing upward and recessing forward through the first base to the tongue plate portion, and both sides of the first base have recessed first snap grooves, the Both sides of the first guide part have a limiting part formed by protruding backward, and an inner side of the limiting part has a first limiting block formed by protruding inward; the second body is mounted on the first On the body, the second body has a second base, the second base has an extension formed by protruding forward, and one end of the second base has a second guide formed by protruding downward, A plurality of second terminal grooves are formed in the bottom of the second guide portion, and the second terminal groove finally passes through the extension portion along the second guide portion and the second base portion, and the first The two terminal grooves are connected to the second terminal accommodating grooves, and the second guide portion is installed behind the first guide portion of the first body and between the two limiting portions, the Two sides of the second base portion have outwardly protruding buckle blocks, the buckle blocks are assembled in the first buckle grooves, and both sides of the second guide portion also have outwardly protruding formed After the block passes through the first limit block of the first body, the block will be located below the first limit block and be caught by the first limit block Fixing, so that the first body and the second body are combined into an insulating body; a first terminal group, the first terminal group is provided in the first terminal slot, and the first terminal group has a plurality of terminals; A second terminal group, the second terminal group is disposed in the second terminal slot, the second terminal group has a plurality of connection terminals. The electrical connector according to item 1 of the patent application scope, wherein the first base is provided with at least one opening, and at least one material bridge is provided among the plurality of terminals, and the material bridge is provided corresponding to the opening , The material bridge connects at least two of the terminals to fix each other. After the first body is formed on the first terminal group, the material bridge is cut out from the opening to remove the first Each terminal in a terminal group is separated. The electrical connector as described in item 2 of the patent application range, wherein the plurality of terminals includes a pair of first terminals, a pair of second terminals, a pair of third terminals, and a pair of fourth terminals, two of the first The terminals are arranged oppositely, the two second terminals are arranged oppositely on both sides of the two first terminals, and the third terminals are arranged oppositely on both sides of the two second terminals, respectively. There is a first material bridge between the first terminal, the second terminal and the third terminal, the first material bridge connects the first terminal, the second terminal and the first Three terminals are connected, and the two fourth terminals are respectively disposed on opposite sides of the two third terminals, and a second material bridge is provided between the fourth terminal and the third terminal. The two material bridges connect the third terminal and the fourth terminal. The opening includes two first openings formed in the first base, and the two first openings are respectively provided for the two first material bridges. , The first base also defines a second opening, and the second openings are respectively corresponding to the second material bridges. The electrical connector as described in item 1 of the patent application scope, wherein the bottom of the first guide portion further has a first material reduction space formed by a plurality of depressions, and the first material reduction space is provided in every two Between the first terminal grooves and communicating with one of the two first terminal grooves, and a second material reduction space formed by a plurality of inward recesses formed on the front surface of the second guide portion, the second The material space communicates with a part of every two second terminal grooves on the second guide portion, and a third material reduction space formed by a plurality of depressions is formed on the front surface of the second guide portion, the third The material space communicates with a part of every two second terminal grooves on the second base, and the upper surface of the second base also has a fourth material reduction space formed by a plurality of depressions, the fourth material reduction space and the A part of every two second terminal grooves on the second guide portion communicates. The electrical connector as described in item 1 of the patent application scope, further comprising at least one grounding shell, the grounding shell is mounted on the first body. The electrical connector as described in item 5 of the patent application range, wherein the upper surface of the first base portion has a first receiving groove formed by a depression, and the first receiving groove is formed by a depression toward the tongue plate portion A second accommodating groove, two sides of the second accommodating groove are provided with slots formed through the tongue plate portion outward, and the first accommodating groove is further provided with two downwardly formed second recesses A buckle groove, the second buckle groove has an external interface formed through the first base portion; the grounding shell is disposed in the first accommodation groove and the second accommodation groove and outward Exposed in the slot, both sides of the grounding shell have a first buckle formed by protruding downward, the first buckle is installed in the second buckle slot and is exposed to the outside Describe the external interface. The electrical connector as described in item 6 of the patent application scope, wherein there is also an inner shell, and both sides of the inner shell are further provided with downwardly projecting buckle blocks, the buckle blocks corresponding to the connection The first locking portion of the earth crust is provided, the locking block is installed in the first locking groove of the first body, and the inner side of the locking block of the inner shell is opposite to the first locking portion paste. The electrical connector as described in item 7 of the patent application scope, further comprising an outer shell, the outer shell covering the inner shell, an opening is formed on both sides of the outer shell, and the two openings correspond to the The snap block of the inner shell is provided. The electrical connector as described in item 1 of the patent application scope, wherein the electrical connector further has at least one shielding shell, and the shielding shell is mounted on the insulating body. The electrical connector as described in item 9 of the patent application scope, wherein both sides of the shielding shell have a buckle portion formed by a vertical protrusion, and one of the buckle portions has a buckle block formed by a protrusion In another, the buckle portion has a buckle groove formed by a recess, the shielding shell has a fixing portion formed by protrusion, and two sides of the fixing portion have a second buckling portion formed by vertically extending. The electrical connector according to item 10 of the patent application scope, wherein the bottom of the first base has a third accommodating groove formed by a depression, and the first base also has two openings penetrating the first accommodating groove And the buckle opening of the third accommodating groove, the third accommodating groove has a convex block formed by protruding downward, and a lower accommodating groove is formed on the lower surface of the convex block The fourth accommodating groove has a fourth snap groove formed by two depressions, and the front surface of the upper surface of the second base has a fifth accommodating groove formed by a depression, and the fifth accommodating groove has a first Five buckle grooves, the upper surface of the extending portion has a second limiting block formed to protrude upwards, the second limiting block and the second base portion surround an upper surface of the extending portion The accommodating surface is provided with two shielding shells, one of the shielding shells is installed in the third accommodating groove and the fourth accommodating groove of the first body, and the two locking portions are respectively installed In the two buckle openings, the fixing portion is installed in the fourth receiving groove, the two second buckling portions are respectively installed in the two fifth buckling grooves, and the other The shielding shell is installed on the accommodating surface of the second body, the two locking portions are exposed on both sides of the accommodating surface, and the fixing portion is installed in the fifth locking groove , The two second locking portions are respectively installed in the two fifth locking grooves, when the first body and the second body are assembled, the locking opening of the first body is located on the receiving surface On both sides, so that the two buckle portions can be respectively installed in the two buckle openings, at this time, the buckle block is engaged with the buckle portion of the other shield shell, and the buckle Part is engaged with the snap block of the other shielding shell, so that the two shielding shells are fixed in the first body and the second body.

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