Wear-resistant electrical connector

Abstract

The present invention discloses a wear-resistant electrical connector, comprising upper and lower terminal modules, a main insulator, and a metal assembly. The main insulator has a back seat and a tongue plate. The metal assembly has upper and lower shielding grounding members and an intermediate member. The upper shielding grounding member comprises an upper shielding plate embedded in the upper portion of the back seat and a plurality of upper grounding solder legs connected thereto. The lower shielding grounding member comprises a lower shielding plate embedded in the lower portion of the back seat and a plurality of lower grounding solder legs connected thereto. The intermediate member comprises a grounding plate embedded in the main insulator and two reinforcing arms fixedly connected to the left and right sides of the grounding plate. The grounding plates are respectively fixed to the upper and lower shielding plates. The two reinforcing arms are respectively exposed outside the left and right sides of the tongue plate. The thickness of the portions of the reinforcing arms exposed outside the tongue plate in the vertical direction is greater than the thickness of the grounding plate in the vertical direction and less than the thickness of the tongue plate in the vertical direction. The electrical connector has the advantages of good wear resistance and excellent shielding effect.

Description

Technical Field

[0001] The present invention relates to the technical field of connectors, and in particular provides a wear-resistant electrical connector. Background Art

[0002] The existing Type-C electrical connector primarily consists of a metal shielding shell, a main insulator, an upper and lower terminal module, and a middle ground plate. The male connector is elastically connected to the female connector via a spring clip. However, due to the unequal connection structure between the male and female connectors—the female connector's ground plate is thinner vertically than the male connector's spring clip—when the male and female connectors are mated, the thinner ground plate wears significantly, affecting the connector's stability and service life.

[0003] In view of this, the present invention is proposed. Summary of the Invention

[0004] In order to overcome the above-mentioned defects, the present invention provides a wear-resistant electrical connector, which has the advantages of good wear resistance, good stability, long service life, good shielding effect, and easy manufacturing.

[0005] The technical solution adopted by the present invention to solve its technical problems is: a wear-resistant electrical connector, including an upper row terminal module, a lower row terminal module, a main insulator and a metal shielding shell, the main insulator having a rear seat portion for accommodating the rear portions of the upper row terminal module and the lower row terminal module, and a tongue portion for receiving the front portions of the upper row terminal module and the lower row terminal module; a metal assembly is provided, the metal assembly having an upper shielding grounding member, a lower shielding grounding member and an intermediate member, wherein the upper shielding grounding member has an upper shielding plate embedded in the upper portion of the rear seat portion, and a plurality of upper grounding solder pins integrally connected to the upper shielding plate and all extending out of the rear seat portion, and the upper shielding plate is also partially exposed outside the upper surface of the rear seat portion; the lower shielding grounding member It has a lower shielding plate embedded in the lower part of the rear seat, and a plurality of lower grounding welding feet integrally connected to the lower shielding plate and all extending out of the rear seat, and the lower shielding plate is also partially exposed outside the lower surface of the rear seat; the intermediate component has a grounding plate embedded in the main insulator, and two reinforcing arms fixedly connected side by side on the left and right sides of the grounding plate, the grounding plate is also fixedly connected to the upper shielding plate and the lower shielding plate respectively, the two reinforcing arms are also respectively exposed outside the left and right sides of the tongue plate part, and the thickness H of the part of each reinforcing arm exposed outside the tongue plate part in the vertical direction also satisfies the relationship: H1<H<H2, where H1 is the thickness of the grounding plate in the vertical direction, and H2 is the thickness of the tongue plate part in the vertical direction.

[0006] As a further improvement of the present invention, the upper row terminal module has a plurality of upper terminals arranged side by side and an insulator A fixedly covering the rear portions of the plurality of upper terminals; the lower row terminal module has a plurality of lower terminals arranged side by side and an insulator B fixedly covering the rear portions of the plurality of lower terminals;

[0007] A receiving cavity is formed on the rear seat portion for placing the upper row terminal module and the rear portion of the lower row terminal module; a plurality of upper slots are formed on the upper surface of the tongue portion for inserting the front portions of the plurality of upper terminals, and a plurality of lower slots are formed on the lower surface of the tongue portion for inserting the front portions of the plurality of lower terminals, and the plurality of upper slots and the plurality of lower slots are all communicated with the receiving cavity.

[0008] As a further improvement of the present invention, the main insulator is formed on the metal assembly by a plastic molding process.

[0009] As a further improvement of the present invention, the upper shielding plate, the lower shielding plate and the grounding plate are all horizontal plate-shaped; the rear part of the grounding plate is located between the upper shielding plate and the lower shielding plate, and at the same time, the front side of the grounding plate also extends to the front side of the tongue plate portion.

[0010] As a further improvement of the present invention, a structure for achieving the two reinforcing arms being fixedly connected side by side to the left and right sides of the grounding plate is as follows: a first connecting piece is integrally connected to the rear ends of the left and right sides of the grounding plate, and the two reinforcing arms each have a straight arm body extending in the front-to-back direction, a block-shaped connecting head integrally formed on the rear end of the arm body, and a hook-shaped hooking portion integrally formed on the front end of the arm body, and the two connecting heads are respectively welded and fixed to the lower surfaces of the two first connecting pieces;

[0011] In addition, the structure for achieving fixed connection between the grounding plate and the upper shielding plate and the lower shielding plate is as follows: a second connecting piece is integrally connected to each of the left and right side edges of the upper shielding plate, and a third connecting piece is integrally connected to each of the rear ends of the left and right side edges of the lower shielding plate, wherein the two second connecting pieces are respectively welded and fixed to the upper surfaces of the two first connecting pieces, and the two third connecting pieces are respectively welded and fixed to the lower surfaces of the two connecting heads.

[0012] As a further improvement of the present invention, the arm body and the hook portion in each of the reinforcing arms are exposed outside the tongue plate portion, and the thicknesses of the arm body and the hook portion in the vertical direction are consistent, and are respectively greater than the thickness of the grounding plate in the vertical direction, and at the same time smaller than the thickness of the tongue plate portion in the vertical direction.

[0013] As a further improvement of the present invention, two upper grounding terminals are further extended forward from the front side of the upper shielding plate, the two upper grounding terminals are respectively embedded in the upper surface of the tongue portion, and the two upper grounding terminals are also respectively in contact with the front side of the grounding plate;

[0014] Two lower grounding terminals are further extended forward from the front side of the lower shielding plate. The two lower grounding terminals are respectively embedded in the lower surface of the tongue portion and are also in contact with the front side of the grounding plate.

[0015] The beneficial effects of the present invention are as follows: by providing the metal assembly, on the one hand, the electrical connector and the external plug can be made equivalent in terms of the snap-fit ​​structure, thereby effectively reducing the wear caused by the two when plugged in, thereby greatly improving the stability of the electrical connector in use and greatly extending the service life of the electrical connector; on the other hand, it can also increase the grounding area, greatly improving the shielding effect of the electrical connector, so that the electrical connector can meet the high-frequency transmission requirements of high-speed signal terminals. In addition, by using the metal assembly, the upper terminal module and the lower terminal module can each be equipped with two fewer grounding terminals. * , which effectively reduces manufacturing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the three-dimensional structure of the electrical connector of the present invention;

[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the electrical connector body of the present invention at a first viewing angle;

[0018] Figure 3 for Figure 2 AA cross-sectional structural diagram shown;

[0019] Figure 4 for Figure 2 BB cross-sectional structural diagram shown;

[0020] Figure 5 for Figure 2 Schematic diagram of CC cross-section structure shown;

[0021] Figure 6 is a schematic diagram of the three-dimensional structure of the electrical connector body of the present invention at a second viewing angle;

[0022] Figure 7 for Figure 6 A schematic diagram of the exploded structure of the electrical connector body shown;

[0023] Figure 8 This is a schematic diagram of the exploded structure of the main housing of the present invention at a first viewing angle;

[0024] Figure 9 This is a schematic diagram of the exploded structure of the main housing of the present invention at a second viewing angle;

[0025] Figure 10 This is a schematic diagram of the exploded structure of the metal assembly of the present invention at a first viewing angle;

[0026] Figure 11 This is a schematic diagram of the exploded structure of the metal assembly according to the present invention at a second viewing angle.

[0027] The following description is made with reference to the accompanying drawings:

[0028] 1—upper row terminal module; 10—upper terminal; 11—insulator A; 2—lower row terminal module; 20—lower terminal; 21—insulator B; 3—main insulator; 30—rear seat; 31—tongue plate; 4—metal assembly; 40—upper shielding grounding member; 400—upper shielding plate; 401—upper grounding weld foot; 402—second connecting piece; 403—upper grounding terminal; 41—lower shielding grounding member; 410—lower shielding plate; 411—lower grounding weld foot; 412—third connecting piece; 413—lower grounding terminal; 42—middle component; 420—grounding plate; 421—reinforcement arm; 4210—arm body; 4211—connector; 4212—hook portion; 422—first connecting piece; 5—metal shielding shell. DETAILED DESCRIPTION

[0029] The following describes the implementation of the present invention by means of specific embodiments. People familiar with this technology can easily understand other advantages and effects of the present invention from the content disclosed in this specification. It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the content disclosed in the specification for people familiar with this technology to understand and read. They are not used to limit the limiting conditions for the implementation of the present invention, so they have no technical significance. Any modification of the structure, change in the proportional relationship or adjustment of the size should still fall within the scope of the technical content disclosed by the present invention without affecting the effect and purpose that can be achieved by the present invention. The "first, second, third", "A, B", etc. described in this specification are only for the convenience of description and are not used to limit the scope of the implementation of the present invention. Changes or adjustments in their relative relationships should also be regarded as the scope of the implementation of the present invention without substantially changing the technical content.

[0030] Example 1:

[0031] Please see the attached Figure 1 To the attached Figure 11As shown, the wear-resistant electrical connector described in the present invention includes an upper row terminal module 1, a lower row terminal module 2, a main insulator 3 and a metal shielding shell 5, wherein the main insulator 3 has a rear seat portion 30 for accommodating the rear parts of the upper row terminal module 1 and the lower row terminal module 2, and a tongue portion 31 for receiving the front parts of the upper row terminal module 1 and the lower row terminal module 2; in particular, a metal assembly 4 is provided, wherein the metal assembly 4 has an upper shielding grounding member 40, a lower shielding grounding member 41 and an intermediate member 42, wherein the upper shielding grounding member 40 has an upper shielding plate 400 embedded in the upper part of the rear seat 30, and a plurality of upper grounding welding legs 401 integrally connected to the upper shielding plate 400 and all extending out of the rear seat 30, and the upper shielding plate 400 is also partially exposed outside the upper surface of the rear seat 30 so as to contact the metal shielding shell 5; the lower shielding grounding member 41 has a The lower shielding plate 410 is provided at the lower portion of the rear seat 30, and a plurality of lower grounding solder legs 411 integrally connected to the lower shielding plate 410 and extending outside the rear seat 30. The lower shielding plate 410 is also partially exposed outside the lower surface of the rear seat 30 so as to contact the metal shielding shell 5. The intermediate component 42 has a grounding plate 420 embedded in the main insulator 3, and two reinforcing arms 421 fixedly connected side by side to the left and right sides of the grounding plate 420. The grounding plate 420 is also fixedly connected to the upper shielding plate 400 and the lower shielding plate 410, respectively. The two reinforcing arms 421 are also exposed outside the left and right sides of the tongue portion 31, and the vertical thickness H of the portion of each reinforcing arm 421 exposed outside the tongue portion satisfies the relationship: H1<H<H2, where H1 is the vertical thickness of the grounding plate 420 and H2 is the vertical thickness of the tongue portion 31. ① The reinforcing arm allows the electrical connector and the external plug to be aligned in their snap-fitting structure, effectively reducing wear and tear during insertion, thereby significantly improving the stability of the electrical connector and extending its service life. ② The metal assembly integrates both shielding and grounding functions and wear resistance, effectively simplifying the assembly process. Note: The aforementioned front-to-back direction represents the direction in which the plug mating with the electrical connector is inserted. Accordingly, the directions perpendicular to the aforementioned front-to-back direction and the vertical direction are defined as the left-to-right direction.

[0032] In this embodiment, preferably, please refer to the attached Figure 7 As shown, the upper terminal module 1 has a plurality of upper terminals 10 arranged side by side and an insulator A11 fixedly covered on the rear of the plurality of upper terminals 10 by a plastic molding process; the lower terminal module 2 has a plurality of lower terminals 20 arranged side by side and an insulator B21 fixedly covered on the rear of the plurality of lower terminals 20 by a plastic molding process;

[0033] The rear seat portion 30 is formed with a receiving cavity for placing the rear parts of the upper row terminal module 1 and the lower row terminal module 2; the upper surface of the tongue plate portion 31 is formed with a plurality of upper slots for inserting the front parts of the plurality of upper terminals 10, and the lower surface of the tongue plate portion 31 is formed with a plurality of lower slots for inserting the front parts of the plurality of lower terminals 20, and the plurality of upper slots and the plurality of lower slots are all communicated with the receiving cavity.

[0034] In this embodiment, preferably, the main insulator 3 is formed on the metal assembly 4 by a plastic molding process.

[0035] In this embodiment, preferably, please refer to the attached Figure 5 , Attachment Figure 8 To the attached Figure 11 As shown, the upper shielding plate 400, the lower shielding plate 410 and the grounding plate 420 are all horizontal plate-shaped; the rear portion of the grounding plate 420 is located between the upper shielding plate 400 and the lower shielding plate 410, and at the same time, the front side of the grounding plate 420 also extends to the front side of the tongue plate portion 31.

[0036] Preferably, the structure for achieving the two reinforcing arms 421 being fixedly connected side by side to the left and right sides of the grounding plate 420 is as follows: Figure 8 To the attached Figure 11 As shown, the rear ends of the left and right sides of the grounding plate 420 are each integrally connected to a first connecting piece 422. The two reinforcing arms 421 each have a straight arm body 4210 extending in the front-to-back direction, a block-shaped connecting head 4211 integrally formed on the rear end of the arm body 4210, and a hook-shaped hooking portion 4212 integrally formed on the front end of the arm body 4210 (for hooking with an external plug). The two connecting heads 4211 are respectively welded and fixed to the lower surfaces of the two first connecting pieces 422.

[0037] In addition, the structure for achieving fixed connection between the grounding plate 420 and the upper shielding plate 400 and the lower shielding plate 410 is as follows: a second connecting piece 402 is integrally connected to each of the left and right side edges of the upper shielding plate 400, and a third connecting piece 412 is integrally connected to each of the rear ends of the left and right side edges of the lower shielding plate 410, wherein the two second connecting pieces 402 are respectively welded and fixed to the upper surfaces of the two first connecting pieces 422, and the two third connecting pieces 412 are respectively welded and fixed to the lower surfaces of the two connecting heads 4211.

[0038] For further preference, please refer to the attached Figure 3 , Attachment Figure 4 and attached Figure 6As shown, the arm body 4210 and the hook portion 4212 in each of the reinforcing arms 421 are exposed outside the tongue plate portion 31, and the thicknesses of the arm body 4210 and the hook portion 4212 in the vertical direction are consistent, and are respectively greater than the thickness of the grounding plate 420 in the vertical direction, and at the same time smaller than the thickness of the tongue plate portion 31 in the vertical direction.

[0039] For further preference, please refer to the attached Figure 7 To the attached Figure 9 As shown, two long upper grounding terminals 403 extend forward from the front side of the upper shielding plate 400. The two upper grounding terminals 403 are respectively embedded in the upper surface of the tongue portion 31 and are respectively in contact with the front side of the grounding plate 420. In addition, the two upper grounding terminals 403 are respectively arranged side by side with the plurality of upper terminals 10.

[0040] Two elongated lower grounding terminals 413 extend forward from the front of the lower shielding plate 410. These terminals are embedded in the lower surface of the tongue portion 31 and contact the front of the grounding plate 420. Furthermore, these terminals are arranged side by side with the plurality of lower terminals 20. The upper and lower shielding plate structures increase the grounding area, significantly enhancing the shielding effectiveness of the electrical connector. Furthermore, the upper and lower terminal modules require two fewer grounding terminals. * , thereby effectively reducing manufacturing costs.

[0041] In addition, the present invention also provides an assembly method of the electrical connector, which is specifically: ① first weld and fix the metal assembly 4, and then use a plastic molding process to mold the main insulator 3 on the metal assembly 4 to obtain a main shell; ② arrange the multiple upper terminals 10 side by side according to the process design requirements, and then use a plastic molding process to mold the insulator A11 on the multiple upper terminals 10 to obtain the upper row terminal module 1; arrange the multiple lower terminals 20 side by side according to the process design requirements, and then use a plastic molding process to mold the insulator B21 on the multiple lower terminals 20 to obtain the lower row terminal module 2; ③ assemble the upper row terminal module 1 and the lower row terminal module 2 onto the main shell to obtain the electrical connector body; and then cover the electrical connector body with a metal shielding shell 5 to obtain the electrical connector.

[0042] In summary, the wear-resistant electrical connector described in the present invention has the advantages of good wear resistance, good stability, long service life, good shielding effect, and easy manufacturing.

[0043] The above description is only a preferred embodiment of the present invention, but is not intended to limit the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A wear-resistant electrical connector, comprising an upper row terminal module (1), a lower row terminal module (2), a main insulator (3) and a metal shielding shell (5), wherein the main insulator (3) has a rear seat portion (30) for accommodating the rear portions of the upper row terminal module (1) and the lower row terminal module (2), and a tongue portion (31) for receiving the front portions of the upper row terminal module (1) and the lower row terminal module (2); characterized in that: A metal assembly (4) is provided, wherein the metal assembly (4) comprises an upper shielding grounding member (40), a lower shielding grounding member (41) and an intermediate member (42), wherein the upper shielding grounding member (40) comprises an upper shielding plate (400) embedded in the upper portion of the rear seat (30), and a plurality of upper grounding welding pins (401) integrally connected to the upper shielding plate (400) and extending out of the rear seat (30), and the upper shielding plate (400) is partially exposed. The lower shielding grounding member (41) comprises a lower shielding plate (410) embedded in the lower portion of the rear seat (30), and a plurality of lower grounding welding legs (411) integrally connected to the lower shielding plate (410) and extending out of the rear seat (30), and the lower shielding plate (410) is partially exposed outside the lower surface of the rear seat (30); the intermediate member (42) comprises a lower shielding plate (410) embedded in the lower portion of the rear seat (30), and a plurality of lower grounding welding legs (411) integrally connected to the lower shielding plate (410) and extending out of the rear seat (30), and the lower shielding plate (410) is partially exposed outside the lower surface of the rear seat (30); the intermediate member (42) comprises a lower shielding plate (410) embedded in the main insulator (3) The grounding plate (420) and two reinforcing arms (421) fixedly connected side by side to the left and right sides of the grounding plate (420), the grounding plate (420) is also fixedly connected to the upper shielding plate (400) and the lower shielding plate (410), respectively, the two reinforcing arms (421) are also exposed outside the left and right sides of the tongue plate portion (31), and the thickness H of the portion of each reinforcing arm (421) exposed outside the tongue plate portion in the vertical direction also satisfies the relationship : H1<H<H2, where H1 is the thickness of the grounding plate (420) in the vertical direction, and H2 is the thickness of the tongue plate portion (31) in the vertical direction. Two upper grounding terminals (403) are further extended forward on the front side of the upper shielding plate (400). The two upper grounding terminals (403) are respectively embedded in the upper surface of the tongue plate portion (31), and the two upper grounding terminals (403) are also respectively in contact with the front side of the grounding plate (420); Two lower grounding terminals (413) are further extended forward on the front side of the lower shielding plate (410), and the two lower grounding terminals (413) are respectively embedded in the lower surface of the tongue plate portion (31), and the two lower grounding terminals (413) are also respectively in contact with the front side of the grounding plate (420).

2. The wear-resistant electrical connector according to claim 1, characterized in that: The upper terminal module (1) comprises a plurality of upper terminals (10) arranged side by side and an insulator A (11) fixedly covering the rear portions of the plurality of upper terminals (10); the lower terminal module (2) comprises a plurality of lower terminals (20) arranged side by side and an insulator B (21) fixedly covering the rear portions of the plurality of lower terminals (20); The rear seat portion (30) is formed with a receiving cavity for placing the rear portions of the upper row terminal module (1) and the lower row terminal module (2); the upper surface of the tongue plate portion (31) is formed with a plurality of upper slots for inserting the front portions of the plurality of upper terminals (10); the lower surface of the tongue plate portion (31) is formed with a plurality of lower slots for inserting the front portions of the plurality of lower terminals (20), and the plurality of upper slots and the plurality of lower slots are both communicated with the receiving cavity.

3. The wear-resistant electrical connector according to claim 1, wherein: The main insulator (3) is formed on the metal assembly (4) through a plastic molding process.

4. The wear-resistant electrical connector according to claim 1, wherein: The upper shielding plate (400), the lower shielding plate (410) and the grounding plate (420) are all in the shape of horizontal plates; the rear portion of the grounding plate (420) is located between the upper shielding plate (400) and the lower shielding plate (410), and at the same time, the front side of the grounding plate (420) also extends to the front side of the tongue plate portion (31).

5. The wear-resistant electrical connector according to claim 4, characterized in that: The structure for realizing that the two reinforcing arms (421) are fixedly connected to the left and right sides of the grounding plate (420) in parallel is as follows: a first connecting piece (422) is integrally connected to the rear ends of the left and right sides of the grounding plate (420); the two reinforcing arms (421) each have an arm body (4210) in the form of a straight strip extending in the front-back direction, a connecting head (4211) in the form of a block and integrally formed on the rear end of the arm body (4210), and a hooking portion (4212) in the form of a hook and integrally formed on the front end of the arm body (4210); and the two connecting heads (4211) are respectively welded and fixed to the lower surfaces of the two first connecting pieces (422); In addition, the structure for achieving fixed connection between the grounding plate (420) and the upper shielding plate (400) and the lower shielding plate (410) is as follows: a second connecting piece (402) is integrally connected to the left and right side edges of the upper shielding plate (400), and a third connecting piece (412) is integrally connected to the rear ends of the left and right side edges of the lower shielding plate (410), wherein the two second connecting pieces (402) are respectively welded and fixed to the upper surfaces of the two first connecting pieces (422), and the two third connecting pieces (412) are respectively welded and fixed to the lower surfaces of the two connectors (4211).

6. The wear-resistant electrical connector according to claim 5, characterized in that: The arm body (4210) and the hook portion (4212) in each reinforcing arm (421) are exposed outside the tongue plate portion (31), and the thickness of the arm body (4210) and the hook portion (4212) in the vertical direction are consistent, and are respectively greater than the thickness of the grounding plate (420) in the vertical direction, and at the same time smaller than the thickness of the tongue plate portion (31) in the vertical direction.

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