TWM631355U - Electrical connector - Google Patents

Abstract

An electrical connector includes a terminal module and a plurality of first conductive terminals assembled in the terminal module. The terminal module includes an insulating block and a plurality of second conductive terminals fixed on the insulating block. The insulating block includes a first side and a second side. The first conductive terminal includes a first mating portion exposed on the first side. The first side of the insulating block is further provided with a plurality of installation grooves and a first positioning convex strip and a second positioning convex strip located on both sides of at least one installation groove. The first abutting portion is installed in the installation groove, and the first positioning protruding strip and the second positioning protruding strip are respectively abutted against two opposite sides of the first docking portion. In this way, the first positioning protruding strip and the second positioning protruding strip can provide protection for the first abutting portion, thereby reducing the risk of loosening or deformation of the first abutting portion due to an external force.

Description

electrical connector

The invention relates to an electrical connector, which belongs to the technical field of connectors.

This creation requires the priority of the Chinese patent application with the filing date of April 8, 2021 and the application number: 202120717576.5, the entire contents of which are incorporated into this creation by reference.

A conventional electrical connector generally includes an insulating body and a plurality of conductive terminals mounted on the insulating body. One surface of the insulating body is provided with a plurality of installation grooves, and the conductive terminal includes a flat plate-shaped butt joint installed in the installation groove. However, since the aforesaid insulating body lacks protection for the aforesaid abutting portion, when the conductive terminal is installed in place, the abutting portion is easily deformed by an external force.

Therefore, it is necessary to improve the conventional electrical connector.

The purpose of the present invention is to provide an electrical connector capable of protecting the first butt portion of the first conductive terminal.

In order to achieve the aforementioned purpose, this creation adopts the following technical solutions: an electrical connector, comprising:

A terminal module, the terminal module includes an insulating block and a plurality of second conductive terminals fixed on the insulating block, the insulating block includes a first side and a second side opposite to the first side, and the second conductive terminals including a second docking portion exposed to the aforementioned second side; and

A plurality of first conductive terminals assembled on the terminal module, the first conductive terminals include a first butt portion exposed on the first side, and the first butt joint portion and the second abutment portion are used for butt joint along a first direction The connectors are matched;

The first side of the insulating block is further provided with a plurality of installation grooves and a first positioning convex strip and a second positioning convex strip located on both sides of at least one of the above-mentioned installation grooves, wherein the above-mentioned first abutting part is installed in the above-mentioned installation groove, the above-mentioned The first positioning protruding strip and the second positioning protruding strip are respectively abutted against two side surfaces of the first abutting portion.

As a further improved technical solution of the present invention, the first positioning protruding strip and/or the second positioning protruding strip are close to the end of the first abutting portion.

As a further improved technical solution of the present invention, the aforementioned first positioning protruding strip and the aforementioned second positioning protruding strip are arranged at intervals along the aforementioned first direction.

As a further improved technical solution of the present invention, both sides of each of the aforementioned installation grooves are provided with the aforementioned first positioning protruding strip and the aforementioned second positioning protruding strip.

As a further improved technical solution of the present invention, the first side of the insulating block is further provided with a plurality of deflection bumps and a deflection groove located between two adjacent deflection bumps in a second direction, and the second direction is perpendicular to the aforementioned first direction;

The first conductive terminal includes a first connecting portion connected to the first connecting portion, the first connecting portion is provided with a deflection portion that is clamped in the deflection groove, and the deflection bump can deflect the deflection along the first direction. Department is limited.

As a further improved technical solution of the present invention, the aforementioned deflecting portion is disposed obliquely with respect to the aforementioned first direction.

As a further improved technical solution of the present invention, the first connecting portion includes a first straight portion connecting the first abutting portion and the deflection portion, and a second straight portion extending from the deflection portion, and the first straight portion The second straight portion is parallel to the first direction.

As a further improved technical solution of the present invention, the first side of the insulating block includes a first extension protrusion connected to one end of the deflection protrusion and a first extension protrusion connected to the deflection protrusion The other end of the second extension protrusion is connected to the second extension protrusion, wherein there is a first extension groove for positioning the first straight portion between the two adjacent first extension protrusions, and the adjacent two aforesaid second extension protrusions A second extending groove for positioning the second straight portion is provided between the protrusions.

As a further improved technical solution of the present invention, the first side of the insulating block further includes a plurality of first bumps and a first groove located between two adjacent first bumps, and the first straight portion is close to the aforementioned One end of the first connecting portion is clamped in the first groove, and one end of the first straight portion close to the deflection portion is clamped in the first extending groove.

As a further improved technical solution of the present invention, the first side of the insulating block further includes a plurality of second bumps and a second groove located between two adjacent second bumps, and the second straight portion is close to the aforementioned second bump. One end of the deflection portion is clamped in the second extending groove, and one end of the second straight portion close to the first bending portion is clamped in the second groove.

Compared with the prior art, the insulating block of the present invention includes a first positioning protruding strip and a second positioning protruding strip which are respectively arranged opposite to the first abutting portion. The first positioning protruding strip and the second positioning protruding strip The positioning protruding strips can provide protection for the first abutting portion, and reduce the risk of loosening or deformation of the first abutting portion due to an external force.

1: The first conductive terminal

100: Electrical connector

11: The first docking part

12: The first connecting part

120: Deflection part

121: First Straight Section

122: Second straight section

13: The first bending part

14: The first soldering pin

2: The second conductive terminal

20: Terminal module

200: circuit board

21: Second docking part

22: Second connecting part

23: Second bending part

24: Second Soldering Foot

3: Insulation block

31: First side

310: First Surface

311: Raised

3111: First bump

3112: Second bump

3113: Third bump

3114: Deflection bump

3115: The first extension protrusion

3116: Second extension protrusion

312: Card slot

3121: First groove

3122: Second groove

3123: Third groove

3124: Deflection slot

3125: First extension groove

3126: Second extension groove

313: Mounting slot

3131: First positioning rib

3132: Second positioning rib

314: Chip flutes

3141: First flute

3142: Second flute

3143: Third flute

316: Platform Department

3161: The first platform

3162: Second platform

32: Second side

321: Support block

322: compartment

4: wrapping block

40: Containment space

41: Tongue plate

5: Metal shell

51: The first shell

52: Second shell

6: Metal partition

61: main body

A1-A1: The first direction

A2-A2: Second direction

A3-A3: Third Direction

B: The circled part in Figure 8

C: The circled part in Figure 8

D: The circled part in Figure 8

E: The circled part in Figure 8

M: The frame part in Figure 13

N: The frame part in Figure 13

FIG. 1 is a three-dimensional schematic diagram of an electrical connector in an embodiment of the present invention when it is mounted on a circuit board.

FIG. 2 is a schematic perspective view of the electrical connector in FIG. 1 from another angle.

FIG. 3 is a partially exploded perspective view of FIG. 2 with the first housing and the second housing separated.

FIG. 4 is a partially exploded perspective view of FIG. 3 from another angle.

FIG. 5 is a perspective view when the cladding block is separated from the first conductive terminal and the terminal module.

FIG. 6 is a schematic perspective view of the first conductive terminal and the terminal module in FIG. 5 when they are separated.

FIG. 7 is a perspective view of FIG. 6 from another angle.

FIG. 8 is a further exploded perspective view of FIG. 6 .

FIG. 9 is a partial enlarged view of the circled portion B in FIG. 8 .

FIG. 10 is a partial enlarged view of the circled portion C in FIG. 8 .

FIG. 11 is a partial enlarged view of the circled portion D in FIG. 8 .

FIG. 12 is a partial enlarged view of the circled portion E in FIG. 8 .

FIG. 13 is a top view of the first conductive terminal and the terminal module assembled together.

FIG. 14 is a bottom view of the first conductive terminal and the terminal module assembled together.

FIG. 15 is a partial enlarged view of the frame portion M in FIG. 13 .

FIG. 16 is a partial enlarged view of the frame portion N in FIG. 13 .

The exemplary embodiments of the present creation will be described in detail below with reference to the drawings. If plural specific embodiments exist, the features of these embodiments may be combined with each other without conflict. When the description refers to the drawings, the same numerals in the different drawings represent the same or similar elements unless otherwise indicated. What is described in the following exemplary embodiments does not represent all implementations consistent with the present creation; rather, they are only consistent with some aspects of the present creation as described in the patentable scope of the present creation Examples of devices, products and/or methods.

The terms used in this creation are only for the purpose of describing specific implementations, and are not intended to limit the protection scope of this creation. As used in the description of this creation and in the scope of the claims, the singular forms "a," "the aforesaid," or "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise.

It should be understood that words such as "first", "second" and similar words used in the description of this creation and the scope of the patent application do not indicate any order, quantity or importance, but are only used to distinguish the naming of features . Likewise, "a" or "an" and the like do not denote a quantitative limitation, but rather denote the presence of at least one. Unless otherwise specified, words such as "front", "back", "upper", "lower" and other similar words appearing in this creation are only for the convenience of description, and are not limited to a specific position or a spatial orientation. "includes" or "comprising" and the like are an open-ended expression meaning that elements appearing before "including" or "including" encompass elements appearing after "including" or "including" and their equivalents, This does not exclude that elements appearing before "including" or "comprising" can also Contains other components. If "plural" appears in this work, its meaning refers to two or more.

Referring to FIG. 1 , the present invention discloses an electrical connector 100 for mounting on a circuit board 200 . The aforementioned electrical connector 100 is used for mating with a mating connector (not shown) along the first direction A1-A1 (eg, the front-rear direction) for data and/or power transmission. In the illustrated embodiment of the present invention, the aforementioned electrical connector 100 is a universal serial bus type C (USB Type C) socket electrical connector. Of course, those skilled in the art can understand that the aforementioned electrical connector 100 can also be other types of electrical connectors, such as a High-Definition Multimedia Interface (HDMI) socket electrical connector.

Referring to FIGS. 2 to 8 , the aforementioned electrical connector 100 includes a terminal module 20 , a plurality of first conductive terminals 1 mounted on the aforementioned terminal module 20 , overmolded on the aforementioned terminal module 20 and the aforementioned first conductive terminals 1 . The cladding block 4 on the terminal 1 and the metal shell 5 mounted on the foregoing cladding block 4 .

Referring to FIG. 6 and FIG. 7 , the aforementioned terminal module 20 includes an insulating block 3 , a plurality of second conductive terminals 2 fixed on the aforementioned insulating block 3 , and a metal partition 6 fixed on the aforementioned insulating block 3 . In an embodiment of the present invention, the second conductive terminal 2 , the metal spacer 6 and the insulating block 3 are insert-molded. Of course, in other embodiments, the second conductive terminal 2 and the metal separator 6 can also be fixed to the insulating block 3 by assembling.

The aforementioned insulating block 3 includes a first side 31 (eg, an upper side) and a second side 32 (eg, a lower side) disposed opposite to the aforementioned first side 31 . The first side 31 is provided with a first surface 310, a plurality of protrusions 311 protruding upward from the first surface 310, a slot 312 located between two adjacent protrusions 311, and a plurality of installations extending forward through the front end surface Slot 313.

In the embodiment illustrated in the present invention, the aforementioned installation grooves 313 are arranged at intervals along the second direction A2-A2 (eg, the left-right direction) perpendicular to the aforementioned first direction A1-A1, and the aforementioned installation slots 313 are arranged along the aforementioned first direction A1 -The length of A1 is not exactly the same to meet the requirements of installing different conductive terminals. For example, the ground terminal is usually longer than the signal terminal, so the mounting groove 313 for accommodating the ground terminal needs to be longer than the mounting groove 313 for accommodating the signal terminal. Please refer to As shown in FIG. 6 , FIG. 13 and FIG. 16 , in the embodiment illustrated in the present invention, the first side 31 of the aforementioned insulating block 3 is further provided with first positioning protruding strips 3131 located on both sides of each aforementioned mounting groove 313 and the second positioning rib 3132. The aforementioned first positioning protruding strips 3131 and the aforementioned second positioning protruding strips 3132 are used for clamping the aforementioned first conductive terminal 1 to reduce the risk of skewing of the aforementioned first conductive terminal 1 . In the illustrated embodiment of the present invention, the aforementioned first positioning protruding strip 3131 and the aforementioned second positioning protruding strip 3132 are integrally formed with the aforementioned insulating block 3 to reduce manufacturing difficulty. The aforementioned first positioning protruding strips 3131 and the aforementioned second positioning protruding strips 3132 are provided with tips located at the tops of the aforementioned first positioning protruding strips 3131 and protruding upward from the aforementioned first surface 310 , so as to facilitate installation of the aforementioned first conductive terminals 1 .

The aforementioned first positioning protruding strip 3131 and/or the aforementioned second positioning protruding strip 3132 are close to the front end surface of the aforementioned insulating block 3 . In the illustrated embodiment of the present invention, the aforementioned first positioning protruding strips 3131 and the aforementioned second positioning protruding strips 3132 are arranged at intervals along the aforementioned first direction A1-A1. With this arrangement, the first conductive terminal 1 can be limited by different positions in the first direction A1 - A1 , thereby improving the installation reliability of the first conductive terminal 1 .

The aforementioned protrusions 311 include a plurality of first bumps 3111, a plurality of second bumps 3112, a plurality of third bumps 3113, and a plurality of deflection bumps 3114, wherein the first bumps 3111 are arranged along the second direction A2-A2 to form a second bump. In one row, the second bumps 3112 are arranged in a second row along the second direction A2-A2, the third bumps 3113 are arranged in a third row along the second direction A2-A2, and the deflection bumps 3114 are arranged along the second direction A2-A2. The second direction A2-A2 is arranged in a fourth row. In the embodiment shown in the drawings, the first bumps 3111 , the third bumps 3113 , the deflection bumps 3114 , and the second bumps 3112 are arranged in sequence along the first direction A1 - A1 .

Referring to FIGS. 6 and 15 , in the embodiment illustrated in the present invention, the first side 31 of the insulating block 3 includes a first extending protrusion 3115 connected to one end (eg, the front end) of the deflecting protrusion 3114 and a second extension protrusion 3116 connected to the other end (eg rear end) of the deflection protrusion 3114, wherein the first extension protrusion 3115 and the second extension protrusion 3116 are parallel to the first direction A1-A1. The aforementioned deflection bumps 3114 are disposed obliquely with respect to the aforementioned first direction A1-A1.

Correspondingly, the aforementioned card slot 312 includes two first bumps located adjacent to each other The first groove 3121 between the 3111, the second groove 3122 between every two adjacent second bumps 3112, the third groove 3123 between every two adjacent third bumps 3113, and a deflection groove 3124 located between every two adjacent deflection bumps 3114 . In addition, the aforementioned card slot 312 further includes a first extending groove 3125 between every two adjacent first extending protrusions 3115 and a second extending groove 3125 between every two adjacent second extending protrusions 3116 Groove 3126.

Referring to FIG. 6 , the first side 31 of the insulating block 3 is further provided with a chip groove 314 located at the bottom of the locking groove 312 and lower than the first surface 310 . The aforesaid flutes 314 are used for accommodating debris generated by scraping the corresponding protrusions 311 when assembling the first conductive terminal 1 .

Referring to FIGS. 10 to 12 , in the embodiment illustrated in the present invention, the aforementioned flutes 314 include a first flute 3141 located at the bottom of the aforementioned first groove 3121 , a The second flute 3142 at the bottom, and the third flute 3143 located at the bottom of the aforementioned third groove 3123 .

Referring to FIGS. 6 and 7 , in the embodiment illustrated in the present invention, the first conductive terminal 1 includes a first abutting portion 11 exposed on the first side 31 , and a connecting portion 11 connected to the first abutting portion 11 . The first connecting portion 12 , the first bending portion 13 bent downward from the rear end of the first connecting portion 12 , and the first welding leg 14 extending backward from the first bending portion 13 . The first abutting portion 11 and the first connecting portion 12 are located in a first plane (for example, a horizontal plane), and the first bending portion 13 is located in a second plane (for example, a vertical plane), and the first plane is perpendicular to the second plane. flat.

The first abutting portion 11 is used to be accommodated in the mounting groove 313 , and the first positioning protruding strip 3131 and the second positioning protruding strip 3132 are respectively abutted with opposite sides of the first docking portion 11 , so that the aforementioned The first docking portion 11 is securely fixed in the aforementioned mounting groove 313 . The aforementioned first positioning protruding strips 3131 and/or the aforementioned second positioning protruding strips 3132 are close to the end of the aforementioned first abutting portion 11 to better protect the aforementioned first abutting portion 11 .

The first connecting portion 12 includes a deflecting portion 120 , a first straight portion 121 connecting the first abutting portion 11 and the deflecting portion 120 , and extending from the deflecting portion 120 . of the second straight portion 122. The aforementioned first straight portion 121 and the aforementioned second straight portion 122 are parallel to the aforementioned first direction A1-A1. The aforementioned second straight portion 122 connects the aforementioned deflection portion 120 and the aforementioned first bent portion 13 . The aforementioned deflection portion 120 is disposed obliquely with respect to the aforementioned first direction A1-A1.

After the first conductive terminal 1 is installed on the insulating block 3, the front end of the first straight portion 121 is clamped in the first groove 3121, and the middle portion of the first straight portion 121 is clamped in the third In the groove 3123, the rear end of the first straight portion 121 is clamped in the first extending groove 3125; the deflection portion 120 is clamped in the deflection groove 3124; the front end of the second straight portion 122 is clamped The rear end of the second straight portion 122 is held in the second groove 3122 while being held in the second extending groove 3126 . The aforementioned deflection bumps 3114 can limit the aforementioned deflection portion 120 along the aforementioned first direction A1-A1, so as to prevent the aforementioned first conductive terminal 1 from being displaced back and forth.

During the process of installing the first conductive terminal 1 on the insulating block 3 , the first straight portion 121 and the second straight portion 122 of the first conductive terminal 1 may be in contact with the corresponding first bumps. 3111, the second bump 3112, and the inner wall of the third bump 3113 are scratched, and the resulting debris will fall into the corresponding first flutes 3141, second flutes 3142, and third flutes 3142. Chip flute 3143. After the first conductive terminal 1 is installed in place, the first conductive terminal 1 is attached to the first surface 310 of the insulating block 3, so as to prevent the first conductive terminal 1 from being lifted and deformed, so that the first conductive terminal 1 is not lifted. The conductive terminal 1 is firmly installed, which improves the installation reliability of the aforementioned first conductive terminal 1 .

Referring to FIG. 8 , the second conductive terminal 2 includes a second connecting portion 21 exposed to the second side 32 of the insulating block 3 , a second connecting portion 22 connected to the second connecting portion 21 , and a second connecting portion 22 connected to the second connecting portion 21 . The rear end of the second connecting portion 22 is formed by bending the second bending portion 23 downward, and the second welding leg 24 is formed by extending backward from the aforementioned second bending portion 23 . The aforementioned first docking portion 11 and the aforementioned second docking portion 21 are used for mating with the docking connector along the aforementioned first direction A1-A1.

Referring to FIGS. 7 and 14 , the second side 32 of the insulating block 3 is fixed on a part of the second connecting portion 22 and protrudes along the third direction A3-A3 (eg, from top to bottom). The plurality of support blocks 321 of the aforementioned second docking portion 21 . The aforementioned support block 321 is The aforementioned second directions A2-A2 are arranged at intervals. The aforementioned insulating block 3 includes a spacer 322 located between two adjacent aforementioned supporting blocks 321 . The aforementioned support block 321 is used to prevent the aforementioned second abutting portion 21 from being crushed, skewed or deformed by external force, so that the aforementioned second conductive terminal 2 can meet higher data transmission requirements.

Referring to FIGS. 8 and 9 , the insulating block 3 further includes a platform portion 316 that is wide in the middle and tapered at the upper and lower ends. The platform portion 316 is provided with a first platform surface 3161 for supporting the first abutting portion 11 and It is used to support the second platform surface 3162 of the aforementioned second docking portion 21 . By setting this structure, on the one hand, the structural strength of the aforementioned insulating block 3 can be maintained, and on the other hand, it is convenient to form and fix the aforementioned covering block 4 on the aforementioned first conductive terminal 1 and the aforementioned terminal module 20 .

Referring to FIG. 8 , the metal separator 6 includes a main body portion 61 for separating the first butting portion 11 and the second abutting portion 21 , so as to improve the shielding effect.

Referring to FIGS. 3 and 4 , the cladding block 4 includes a tongue plate 41 , and the first abutting portion 11 of the first conductive terminal 1 and the second abutting portion 21 of the second conductive terminal 2 are respectively exposed to the Two surfaces (eg, upper surface and lower surface) of the aforementioned tongue plate 41 are disposed opposite to each other.

In the embodiment illustrated in the present invention, the aforementioned metal casing 5 includes a first casing 51 and a second casing 52 . The aforementioned first housing 51 has a substantially hollow cylindrical shape. The first casing 51 is sleeved on the covering block 4 to form a receiving space 40 surrounding the tongue plate 41 . The second casing 52 is fixed to the first casing 51 by spot welding or the like, and the second casing 52 is used for being mounted on the circuit board 200 .

The above embodiments are only used to illustrate the present creation and do not limit the technical solutions described in the present creation. The understanding of the present creation should be based on those skilled in the art, although this description has made detailed descriptions of the present creation with reference to the foregoing embodiments. However, those of ordinary skill in the art should understand that those skilled in the art can still modify or equivalently replace this creation, and all technical solutions and improvements that do not depart from the spirit and scope of this creation shall be included in the This creation is within the scope of the patent application.

21: Second docking part

3131: First positioning rib

3132: Second positioning rib

A1-A1: The first direction

A2-A2: Second direction

N: The frame part in Figure 13

Claims (10)

An electrical connector, comprising: A terminal module, the terminal module includes an insulating block and a plurality of second conductive terminals fixed on the insulating block, the insulating block includes a first side and a second side opposite to the first side, and the second conductive terminals including a second docking portion exposed to the aforementioned second side; and A plurality of first conductive terminals assembled on the terminal module, the first conductive terminals include a first butt portion exposed on the first side, and the first butt joint portion and the second abutment portion are used for butt joint along a first direction The connectors are matched; Wherein: the first side of the aforesaid insulating block is further provided with a plurality of installation grooves and a first positioning convex strip and a second positioning convex strip located on both sides of at least one of the aforesaid installation grooves, wherein the aforesaid first abutting part is installed in the aforesaid installation groove , the first positioning protruding strip and the second positioning protruding strip are respectively abutted against two side surfaces of the first abutting portion. The electrical connector according to claim 1, wherein: the first positioning protruding strip and/or the second positioning protruding strip are close to the end of the first mating portion. The electrical connector according to claim 1, wherein: the first positioning protruding strip and the second positioning protruding strip are arranged at intervals along the first direction. The electrical connector according to claim 1, wherein: the first positioning protruding strip and the second positioning protruding strip are provided on both sides of each of the mounting grooves. The electrical connector according to claim 1, wherein: the first side of the insulating block is further provided with a plurality of deflection bumps and a deflection groove located between two adjacent deflection bumps in the second direction, the first The two directions are perpendicular to the aforementioned first direction; The first conductive terminal includes a first connecting portion connected to the first connecting portion, the first connecting portion is provided with a deflection portion that is clamped in the deflection groove, and the deflection bump can deflect the deflection along the first direction. Department is limited. The electrical connector according to claim 5, wherein: the deflecting portion is disposed obliquely with respect to the first direction. The electrical connector according to claim 5, wherein: the first connecting portion comprises a first straight portion connecting the first mating portion and the deflecting portion and a second straight portion extending from the deflecting portion, the first straight portion The straight portion and the second straight portion are parallel to the first direction. The electrical connector of claim 7, wherein the first side of the insulating block includes a first extension protrusion connected to one end of the deflection bump and a second extension protrusion connected to the other end of the deflection bump , wherein a first extending groove for positioning the first straight portion is provided between two adjacent first extending protrusions, and a first extending groove for positioning the first straight portion is provided between two adjacent second extending protrusions. The second extending grooves of the two straight portions. The electrical connector according to claim 8, wherein: the first side of the insulating block further comprises a plurality of first bumps and a first groove located between two adjacent first bumps, the first straight One end of the strip portion close to the first connecting portion is clamped in the first groove, and one end of the first straight portion close to the deflection portion is clamped in the first extending groove. The electrical connector of claim 9, wherein: the first side of the insulating block further comprises a plurality of second bumps and a second groove located between two adjacent second bumps, the second straight One end of the strip portion close to the deflection portion is clamped in the second extending groove, and one end of the second straight strip portion is clamped in the second groove.

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