CN219040804U

CN219040804U - Electric connector

Info

Publication number: CN219040804U
Application number: CN202320067315.2U
Authority: CN
Inventors: 何鑫泰; 简当育
Original assignee: Chief Land Electronic Co Ltd
Current assignee: Chief Land Electronic Co Ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-05-16
Anticipated expiration: 2033-01-10

Abstract

The utility model discloses an electric connector, which comprises an insulating body, a plurality of conductive terminals and a serial metal piece. Each conductive terminal is provided with a connecting section, a contact section and a fixing section, wherein the contact section and the fixing section extend from two ends of the connecting section respectively. The conductive terminals are inserted into the insulating body. At least two of the conductive terminals are each defined as a ground terminal and are formed with two insertion pieces arranged at intervals and connected to the connection section. The tandem metal piece is formed with a plurality of holding holes arranged in two rows, and each holding hole of any row corresponds to one holding hole of the other row. The two plug-in pieces of each grounding terminal are respectively inserted into the two corresponding fixing holes, so that the serial metal piece is fixed on the M grounding terminals to form common ground connection. Accordingly, each grounding terminal passes through two inserting pieces so as to have the same potential and effectively improve the noise deriving effect.

Description

Electric connector

Technical Field

The present utility model relates to an electrical connector, and more particularly, to an electrical connector for commonly connecting a plurality of ground terminals.

Background

Current electrical connectors often employ conductive plastic to connect a plurality of ground terminals in series to form a common ground connection. However, the conventional electrical connector has a structure commonly connected to the ground, but the noise deriving effect of these ground terminals is not considered.

Disclosure of Invention

The embodiment of the utility model provides an electric connector, which can effectively improve the defects possibly generated by the prior electric connector.

The embodiment of the utility model discloses an electric connector, which comprises: the insulation body is provided with a first surface and a second surface which are respectively positioned at two opposite sides, a plurality of first terminal grooves are concavely formed on the insulation body from the first surface, and a slot communicated with the plurality of first terminal grooves is concavely formed on the insulation body from the second surface; the first conductive terminals are respectively provided with a connecting section, a contact section extending from one end of the connecting section and a fixing section extending from the other end of the connecting section; the first conductive terminals are respectively inserted into the first terminal grooves, and at least part of each contact section is positioned in the slot; wherein, M first conductive terminals are respectively defined as a grounding terminal and are formed with two plug-in pieces which are arranged at intervals and are connected with the connecting section, M is a positive integer greater than 1; the serial metal piece is provided with a plurality of holding holes arranged in two rows, and each holding hole of any row corresponds to one holding hole of the other row along a preset direction; the two plug-in pieces of each grounding terminal are respectively inserted into the two corresponding holding holes, so that the serial metal piece is fixed on the M grounding terminals to form common ground connection.

Preferably, any one of the first conductive terminals has a terminal height in a predetermined direction, and the two plugging pieces of any one of the grounding terminals are formed with a spacing in the predetermined direction, which is between 30% and 50% of the terminal height.

Preferably, the connection section of each first conductive terminal is surrounded by a U-shaped slot, and the two plugging pieces of each grounding terminal are located in the U-shaped slot and do not protrude out of the first face.

Preferably, each of the N first conductive terminals is defined as a signal terminal, and two cutting edges are formed at the bottom of the U-shaped groove, and N is a positive integer greater than 1.

Preferably, the electric connector comprises a cover body, the serially connected metal pieces are embedded in the cover body, and the cover body is arranged in the U-shaped grooves of the first conductive terminals; the cover body is formed with a plurality of through holes, and each holding hole is exposed outside through one through hole.

Preferably, the insulating body comprises a plurality of protruding parts, and the protruding parts penetrate out of the cover body and are riveted on the outer surface of the cover body.

Preferably, the holding holes of any one column are arranged in a direction parallel to a vertical preset direction, and the inner wall of each holding hole is formed with two protrusions facing each other along the arrangement direction, and each holding hole is clamped with its two protrusions to the corresponding insertion piece along the arrangement direction.

Preferably, the tandem metal piece comprises two metal beams respectively formed with two rows of holding holes, and the length direction of each metal beam is perpendicular to the preset direction.

Preferably, the tandem metal piece comprises a plurality of connecting columns located between two metal beams, and two ends of each connecting column are respectively connected to the two metal beams.

Preferably, the insulating body is concavely provided with a plurality of second terminal grooves communicated with the slot from the second surface, the electric connector comprises a plurality of second conductive terminals which are respectively inserted into the plurality of second terminal grooves, and part of each second conductive terminal is positioned in the slot.

In summary, in the electrical connector disclosed in the embodiment of the utility model, two insertion pieces inserted into the series metal member are formed on each of the ground terminals, so that the electrical connector has the same potential and can effectively promote the noise guiding effect.

In addition, according to the electrical connector disclosed by the embodiment of the utility model, through the structural design of the plurality of first conductive terminals, the plurality of first conductive terminals can be manufactured by adopting the same die, and then different types of terminals are formed through subsequent processing according to requirements, so that the assembly is facilitated, the production cost can be effectively reduced, and the dimensional consistency among the different types of terminals is improved.

For a further understanding of the nature and the technical aspects of the present utility model, reference should be made to the following detailed description of the utility model and the accompanying drawings, which are included to illustrate and not to limit the scope of the utility model.

Drawings

Fig. 1 is a schematic perspective view of an electrical connector according to a first embodiment of the utility model.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is an exploded view of the other view of fig. 1.

Fig. 4 is a schematic cross-sectional view of fig. 1 along section line IV-IV.

Fig. 5 is a schematic cross-sectional view of fig. 1 along section line V-V.

Fig. 6 is a schematic cross-sectional view of fig. 1 along section line VI-VI.

Fig. 7 is an enlarged schematic view of area VII of fig. 6.

Fig. 8 is a perspective view illustrating that a plurality of protruding portions of the electrical connector of fig. 1 are riveted to a cover.

Fig. 9 is a schematic cross-sectional view of an electrical connector according to a second embodiment of the present utility model.

Fig. 10 is a schematic cross-sectional view of an electrical connector according to a second embodiment of the present utility model.

Detailed Description

The following description is given of specific embodiments of the disclosed "electrical connector" according to the present utility model, and those skilled in the art will appreciate the advantages and effects of the present utility model from the disclosure of the present utility model. The utility model is capable of other and different embodiments and its several details are capable of modifications and various other uses and applications, all of which are obvious from the description, without departing from the spirit of the utility model. The drawings of the present utility model are merely schematic illustrations, and are not intended to be drawn to actual dimensions. The following embodiments will further illustrate the related art content of the present utility model in detail, but the disclosure is not intended to limit the scope of the present utility model.

It will be understood that, although the terms "first," "second," "third," etc. may be used herein to describe various components or signals, these components or signals should not be limited by these terms. These terms are used primarily to distinguish one element from another element or signal from another signal. In addition, the term "or" as used herein shall include any one or combination of more of the associated listed items as the case may be.

Example one

Please refer to fig. 1 to 8, which illustrate a first embodiment of the present utility model. As shown in fig. 1 to 3, the present embodiment discloses an electrical connector 100, which preferably includes an insulation body 3, a plurality of first conductive terminals 1 inserted into one side of the insulation body 3, a plurality of second conductive terminals 2 inserted into the other side of the insulation body 3, and a rear cover 4 mounted on the one side of the insulation body 3, but the utility model is not limited thereto.

As shown in fig. 2 to 5, the insulating body 3 is of a one-piece structure formed integrally in this embodiment, and has a first surface 31 and a second surface 32 (along a plugging direction D1) respectively located on opposite sides thereof. The insulating body 3 is formed with a plurality of first terminal grooves 33 recessed from the first surface 31 (along the insertion/extraction direction D1), and a slot 35 recessed from the second surface 32 (along the insertion/extraction direction D1) and communicating with the plurality of first terminal grooves 33. Further, the insulating body 3 is recessed from the second surface 32 (along the insertion/extraction direction D1) to form a plurality of second terminal grooves 34 communicating with the insertion grooves 35.

In addition, the insulating body 3 is substantially elongated, and the length direction of the insulating body 3 is perpendicular to the inserting and extracting direction D1 and is defined as an arrangement direction D3, and the insulating body 3 is further defined as a preset direction D2 perpendicular to the inserting and extracting direction D1 and the arrangement direction D3. The first terminal grooves 33 are arranged in a row at intervals along the arrangement direction D3, the second terminal grooves 34 are arranged in another row at intervals along the arrangement direction D3, and the slots 35 extend along the arrangement direction D3 and are elongated and are communicated with the tops of the first terminal grooves 33 and the tops of the second terminal grooves 34.

The plurality of first conductive terminals 1 (from the first surface 31 along the plugging direction D1) are respectively inserted into the plurality of first terminal grooves 33 of the insulating body 3, the plurality of second conductive terminals 2 (from the second surface 32 along the plugging direction D1) are respectively inserted into the plurality of second terminal grooves 34 of the insulating body 3, and a part of each first conductive terminal 1 and a part of each second conductive terminal 2 are both located in the slot 35. The plurality of first conductive terminals 1 and the plurality of second conductive terminals 2 are inserted into the corresponding first terminal grooves 33 and second terminal grooves 34 from the first surface 31 and the second surface 32, respectively, so as to face each other along the inserting/extracting direction D1.

As shown in fig. 3 to 5, in more detail, any one of the first conductive terminals 1 has a terminal height H1 in the preset direction D2, which is greater than the height of any one of the second conductive terminals 2 in the preset direction D2. Each first conductive terminal 1 is of an integrally formed single-piece structure and has a connecting section 11, a contact section 12 extending from one end of the connecting section 11, and a fixing section 13 extending from the other end of the connecting section 11.

In each of the first conductive terminals 1 of the present embodiment, the contact section 12 is substantially L-shaped and is at least partially located in the slot 35, the connection section 11 is surrounded by a U-shaped groove 111 with a notch 112 adjacent to the first face 31 of the insulating body 3, and the fixing section 13 is substantially L-shaped and is configured by using a surface mount technology (Surface Mount Technology, SMT), but the utility model is not limited thereto; in this embodiment, the connecting section 11 may be directly manufactured into a U-shape during manufacturing, or the connecting section 11 may further have two side walls 114 of the U-shaped groove 111 formed by connecting the L-shaped contact section 12 and the fixing section 13 at two ends thereof. The socket 35 is configured to receive an external conductive substrate or circuit board, and a portion of the contact section 12 of each of the first conductive terminals 1 and a portion of each of the second conductive terminals 2 (e.g., a contact end of the second conductive terminal 2) are electrically connected to each other or contact with a conductive portion of the external conductive substrate or circuit board.

Accordingly, in the electrical connector 100 disclosed in the embodiment of the present utility model, through the structural design of the plurality of first conductive terminals 1, the plurality of first conductive terminals 1 may be manufactured by using the same mold, and then different types of terminals are formed by subsequent processing according to the requirements, so as to facilitate assembly, effectively reduce production cost, and improve dimensional consistency between different types of terminals.

As shown in fig. 4, in more detail, each of the M first conductive terminals 1 is defined as a ground terminal 1a, and two plugging pieces 11a are formed at intervals and connected to the connection section 11, wherein M is a positive integer greater than 1. Wherein the two plugging pieces 11a of each grounding terminal 1a are located in the U-shaped groove 111 and extend toward the first surface 31 along the plugging direction D1 without protruding out of the first surface 31.

In each of the grounding terminals 1a of the present embodiment, two of the plugging pieces 11a are connected to the bottom 113 of the U-shaped groove 111 substantially vertically and have a spacing S11a formed therebetween in the predetermined direction D2, which is 30% to 50% of the terminal height H1, but not limited thereto. In another aspect, in each of the grounding terminals 1a, the two side walls 114 of the U-shaped slot 111 are separated by a space S114, preferably the space S11a is between 50% and 65% of the space S114, and the two inserting pieces 11a are respectively spaced from the two side walls 114 of the U-shaped slot 111 by an equal distance.

As shown in fig. 5, N first conductive terminals 1 are defined as a signal terminal 1b, and two cutting edges 11b are formed at the bottom 113 of the U-shaped groove 111, where N is a positive integer greater than 1. That is, the configuration of the signal terminals 1b corresponds to the configuration of the ground terminals 1a after the two insertion pieces 11a are cut out, so that each of the ground terminals 1a can completely shield any one of the signal terminals 1b in the arrangement direction D3 to achieve a preferable shielding function. Furthermore, the number of the first conductive terminals 1 at least includes M grounding terminals 1a and N signal terminals 1b that are staggered with each other, and further, according to requirements, one group (differential pair) of each two of the N signal terminals 1b is defined to be arranged at intervals, and at least one grounding terminal 1a is arranged in the intervals, but the utility model is not limited thereto; in this embodiment, the plurality of first conductive terminals 1 are manufactured by using the same mold, and the two plugging pieces 11a on the connecting section 11 are cut according to the condition that the first conductive terminals 1 are defined as the signal terminals 1 b.

As shown in fig. 2, 4, 6 and 7, the rear cover 4 includes a cover 41 in the present embodiment, the electrical connector 100 includes a series metal member 42, wherein the series metal member 42 is embedded in the cover 41, and the cover 41 is an insulator made of an insulating material, but the utility model is not limited thereto. For example, in other embodiments of the utility model not shown, a portion of one surface of the cover 41 may be hollowed out into a concave slot (not shown) along the inserting direction D1, the serial metal piece 42 is disposed in the slot, or the cover 41 may be omitted according to the requirement, that is, the serial metal piece 42 may be directly used for covering.

The tandem metal piece 42 is formed with a plurality of holding holes 4211 arranged in two rows, and each holding hole 4211 of any one row corresponds to one holding hole 4211 of another row in the preset direction D2. Wherein the holding holes 4211 of any column are parallel to the arrangement direction D3, and two protrusions 4212 (e.g., the inner walls of the holding holes 4211 are substantially 8-shaped) facing each other are formed on the inner wall of each holding hole 4211 along the arrangement direction D3.

In the present embodiment, the serial metal piece 42 includes two metal beams 421 disposed separately from each other, and the length direction of each metal beam 421 is perpendicular to the predetermined direction D2 (also perpendicular to the inserting and extracting direction D1), that is, the metal beams 421 extend along the arrangement direction D2, and two rows of the holding holes 4211 are formed on the two metal beams 421, but the utility model is not limited thereto. In addition, the serial metal member 42 may be embedded in the cover 41 by injection molding in the present embodiment, and the cover 41 is formed with a plurality of through holes 411, such that each of the holding holes 4211 is exposed through one of the through holes 411.

Further, the rear cover 4 (e.g. the cover 41 and the serial metal member 42) is disposed in the U-shaped grooves 111 of the plurality of first conductive terminals 1 and does not protrude from the first surface 31 of the insulating body 3, and the two plugging pieces 11a of each grounding terminal 1a are respectively plugged into the two corresponding holding holes 4211, so that the serial metal member 42 is fixed to the M grounding terminals 1a to form a common ground connection.

As described above, in the electrical connector 100 according to the embodiment of the utility model, two plug pieces 11a inserted into the series metal piece 42 are formed on each of the ground terminals 1a, so that the electrical connector has the same potential and can effectively promote the noise guiding effect. The two plugging pieces 11a of each grounding terminal 1a are preferably symmetrically disposed in the U-shaped groove 111, so that the connecting section 11 has better structural strength.

In the serial metal piece 42 and any one of the grounding terminals 1a of the present embodiment, each of the holding holes 4211 is clamped by two of the protrusions 4212 thereof to the corresponding socket piece 11a along the alignment direction D3, so as to achieve stable connection therebetween. In the present embodiment, all the protrusions 4212 of any one of the metal beams 421 are aligned along the alignment direction D3, but the present utility model is not limited thereto.

Furthermore, in each of the grounding terminals 1a of the present embodiment, the cover 41 can be stably abutted against the groove bottom 113 of the U-shaped groove 111 between the two plugging pieces 11a by leaving the space S11a with a predetermined size, so as to provide a satisfactory supporting and fixing effect through the cover 41.

In addition, as shown in fig. 1 and 8, in order to enable the rear cover 4 and the insulating body 3 to be connected more firmly, the insulating body 3 may include a plurality of protruding portions 36, and any one of the protruding portions 36 is located between two adjacent first terminal grooves 33, when the rear cover 4 abuts against the U-shaped groove 111 located between two plugging pieces 11a, the rear cover also abuts against the insulating body 3 at the same time, and the plurality of protruding portions 36 penetrate out of the cover 41 and are riveted on the outer surface of the cover 41. Wherein, the plurality of protruding portions 36 are located between the two metal beams 421 in parallel to the predetermined direction D2.

Example two

Please refer to fig. 9 and 10, which illustrate a second embodiment of the present utility model. Since this embodiment is similar to the first embodiment, the same parts of the two embodiments will not be described again, and the differences between the present embodiment and the first embodiment are described as follows:

in this embodiment, the tandem metal piece 42 may be a one-piece construction. For example, as shown in fig. 9, the serial metal piece 42 includes a plurality of connection posts 422 located between two metal beams 421, and opposite ends of each connection post 422 parallel to the preset direction D2 are respectively (vertically or vertically) connected to two metal beams 421, so that the whole forms a plurality of I-shapes or a plurality of I-shapes connected, and each connection post 422 is preferably located between two holding holes 4211 corresponding to each other and belonging to different columns, so as to enhance the supporting effect between the two metal beams 421. Alternatively, as shown in fig. 10, the serial metal member 42 may be formed by forming two rows of the holding holes 4211 in a single metal sheet, in other words, the serial metal member 42 may be a long and flat plate.

[ technical Effect of embodiments of the utility model ]

Further, in each grounding terminal, the cover body can stably abut against the bottom of the U-shaped groove between the two plugging pieces by leaving the space (for example, the space is 30-50% of the height of the terminal) with a preset size, so that a satisfactory supporting effect is provided by the cover body.

In addition, the electrical connector disclosed in the embodiment of the utility model further enables the plurality of first conductive terminals to be manufactured by adopting the same die through the structural design of the plurality of first conductive terminals, and then forms different types of terminals (such as the grounding terminal and the signal terminal) through subsequent processing according to requirements, thereby being beneficial to assembly, effectively reducing production cost and improving size consistency among the different types of terminals.

The foregoing disclosure is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, as all changes which come within the meaning and range of equivalency of the specification and drawings are intended to be embraced therein.

Claims

1. An electrical connector, the electrical connector comprising:

the insulation body is provided with a first surface and a second surface which are respectively positioned at two opposite sides, a plurality of first terminal grooves are concavely formed on the insulation body from the first surface, and a slot communicated with the plurality of first terminal grooves is concavely formed on the insulation body from the second surface;

a plurality of first conductive terminals, each having a connection section, a contact section extending from one end of the connection section, and a fixing section extending from the other end of the connection section; the first conductive terminals are respectively inserted into the first terminal grooves, and at least part of each contact section is positioned in the slot; wherein, M first conductive terminals are respectively defined as a grounding terminal, and are formed with two plug-in pieces which are arranged at intervals and are connected with the connecting section, M is a positive integer greater than 1; and

a serial metal piece, which is provided with a plurality of holding holes arranged in two rows, wherein each holding hole of any row corresponds to one holding hole of the other row along a preset direction;

the two plug-in pieces of each grounding terminal are respectively inserted into the two corresponding holding holes, so that the serial metal pieces are fixed on the M grounding terminals to form common ground connection.

2. The electrical connector of claim 1, wherein any one of the first conductive terminals has a terminal height in the predetermined direction, and both of the mating tabs of any one of the ground terminals are formed with a spacing in the predetermined direction that is between 30% and 50% of the terminal height.

3. The electrical connector of claim 1, wherein said connection section of each of said first conductive terminals is surrounded by a U-shaped slot, and wherein two of said mating tabs of each of said ground terminals are positioned within said U-shaped slot and do not protrude beyond said first face.

4. The electrical connector of claim 3, wherein N first conductive terminals are each defined as a signal terminal and two cut edges are formed at the bottom of the U-shaped groove, N being a positive integer greater than 1.

5. The electrical connector of claim 3, wherein the electrical connector comprises a cover, the series metal piece is embedded in the cover, and the cover is disposed in the U-shaped grooves of the plurality of first conductive terminals; the cover body is formed with a plurality of through holes, and each of the holding holes is exposed to the outside through one of the through holes.

6. The electrical connector of claim 5, wherein the insulative housing comprises a plurality of protrusions, and wherein the plurality of protrusions protrude out of the cover and are riveted to an outer surface of the cover.

7. The electrical connector of claim 1, wherein the holding holes of any one row are arranged in a direction parallel to the predetermined direction, and two protrusions facing each other are formed on an inner wall of each holding hole along the arrangement direction, and each holding hole is clamped with two protrusions thereof to the corresponding socket piece along the arrangement direction.

8. The electrical connector of claim 1, wherein the tandem metal piece comprises two metal beams respectively formed with two rows of the holding holes, and a length direction of each metal beam is perpendicular to the predetermined direction.

9. The electrical connector of claim 8, wherein the series metal member comprises a plurality of connecting posts positioned between two of the metal beams, and wherein each of the connecting posts is connected at both ends to two of the metal beams.

10. The electrical connector of claim 1, wherein the insulative housing is recessed from the second surface to form a plurality of second terminal slots in communication with the slot, the electrical connector comprises a plurality of second conductive terminals respectively inserted into the plurality of second terminal slots, and a portion of each of the second conductive terminals is located within the slot.