TWM556036U - Electrical connector - Google Patents

Description

Electrical connector

This creation relates to the field of connector product technology, and specifically refers to an electrical connector.

The main supporting fields of electrical connectors include transportation, communication, network, IT, medical, home appliances, etc. The rapid development of technical standards in the supporting fields and the rapid growth of the market have strongly led the development of connector technology. So far, the electrical connector has developed into a series of products and specialized products with complete product categories, rich variety specifications, diverse structural types, professional direction subdivision, obvious industry characteristics, and standard system specifications.

The electrical connectors of the prior art generally include: an insulative housing, a terminal set disposed on the insulative housing, an inner metal sleeve sleeved on the insulative housing, and an outer metal shell fixedly covering the upper end and the outer side of the inner metal shell, A mating space is formed between the inner metal shell and the insulative body, and the inner metal shell is not provided with a grounding soldering foot and a PCB board to achieve grounding connection, and no other structure is provided to realize grounding connection with the PCB board, thereby causing its own shielding. The function of the cover is not ideal enough to ensure that the electrical connector has sufficient anti-interference performance, that is, the communication quality is not guaranteed.

In view of this, the inventors propose the following technical solutions.

The purpose of this creation is to overcome the deficiencies of the prior art and to provide an electrical connector.

In order to solve the above technical problem, the present invention adopts the following technical solution: the electrical connector includes: an insulating body, a terminal set disposed on the insulating body, an inner metal shell sleeved on the insulating body, and a fixed cover inside An outer metal shell at the upper end and the outer side of the metal shell, the interposing space is formed between the inner metal shell and the insulative housing, the terminal set includes at least one grounding terminal, and the inner metal shell is formed with at least one elastic extending contact arm, The elastic extension arm is pressed against the ground terminal.

The electrical connector of the present invention, wherein the grounding terminal is bent and formed with a guiding portion, the guiding portion is fixedly exposed on a side of the insulating body, and the guiding portion is in contact with the elastic extending contact arm. .

The electrical connector of the present invention, wherein the terminal set includes a plurality of first terminals disposed in an upper portion of the insulative housing and a plurality of second terminals disposed in a lower portion of the insulative housing, wherein the insulation is Two first terminals on both sides of the upper portion of the body are first and second ground terminals as the ground terminals; two second terminals on opposite sides of the insulating body are third and fourth grounds as the ground terminals a terminal; the inner metal shell has four elastic extending contact arms that respectively press the first, second, third, and fourth grounding terminals one by one.

The electrical connector of the present invention, wherein the rear end of the inner metal shell is formed with a limiting piece, and the limiting body is formed with a limiting slot corresponding to the limiting piece, and the limiting piece is embedded in the limiting slot. .

The electrical connector of the present invention, wherein the back end of the inner metal shell is formed with a finite stop, and the rear end of the insulating body forms a finite strip, and the limiting rib is clamped and fastened thereto. Limit gap.

The electrical connector of the present invention, wherein the lower end surface of the inner metal shell is punched and bent The folding molding has a plurality of positioning pieces for PCB board insertion and positioning.

The electrical connector of the present invention, wherein the inner metal shell and the outer metal shell are fixed by spot welding, the outer side of the inner metal shell is provided with a card slot, and the outer metal shell is formed with a card outside, and the card is clamped and fixed. In the card slot.

In the electrical connector of the present invention, a plurality of soldering legs are respectively formed on two sides of the outer metal shell; the rear end of the outer metal shell is formed with a positioning pin downward.

The electrical connector of the present invention, wherein the inner metal shell inner wall is formed with a convex hull for increasing the insertion and extraction force, and the convex hull is exposed in the interposing space.

The electrical connector proposed by the present invention, wherein the electrical connector is a USB Type-C connector.

After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art: the inner metal shell in the present invention is formed with at least one elastic extending contact arm, and the elastic extending contact arm is pressed against the grounding terminal, thereby enhancing The masking effect of the metal shell structure makes the anti-interference ability of the creation stronger, and the communication quality is better, which is conducive to improving the market competitiveness.

1‧‧‧Insulating body

11‧‧‧Limited slot

12‧‧‧Limited ribs

100‧‧‧ Grounding terminal

101‧‧‧Guidance

21‧‧‧Metal metal shell

211‧‧‧Limited Movies

212‧‧‧ Positioning film

213‧‧‧ Limit gap

214‧‧‧ card slot

215‧‧‧ convex hull

22‧‧‧Outer metal shell

221‧‧‧ cards

222‧‧‧welding feet

223‧‧‧ Positioning Pins

20‧‧‧Pair space

210‧‧‧Flexible extension arm

3‧‧‧First terminal

4‧‧‧second terminal

Figure 1 is a perspective view of the creation; Figure 2 is a perspective view of another perspective of the creation; Figure 3 is a bottom view of the creation; Figure 4 is a schematic view of the structure after disassembling the outer metal casing; Figure 5 is An exploded view of the creation; Figure 6 is a perspective view of the terminal set in the present creation; Fig. 7 is an exploded view of Fig. 6.

The present invention will be further described below in conjunction with specific embodiments and drawings.

As shown in the first and second figures, the electrical connector includes an insulative housing 1, a terminal set disposed on the insulative housing 1, an inner metal shell 21 sleeved on the insulative housing 1, and a fixing package. An outer metal shell 22 covering the upper end and the outer side of the inner metal shell 21 is formed, and an interposing space 20 for inserting an external plug is formed between the inner metal shell 21 and the insulative housing 1.

As shown in the figures 3 and 4, the terminal set includes at least one grounding terminal 100, and the inner metal shell 21 is formed with at least one elastic extending contact arm 210, and the elastic extending contact arm 210 is pressed against the grounding terminal 100. The conduction can enhance the masking effect of the metal shell structure 2, and the anti-interference ability of the creation is stronger, the communication quality is better, and the market competitiveness is improved.

Specifically, in conjunction with the fifth to seventh embodiments, in the present embodiment, the present electrical connector is a USB Type-C connector. The terminal group includes a plurality of first terminals 3 disposed in an upper portion of the insulative housing 1 and a plurality of second terminals 4 disposed in a row in a lower portion of the insulative housing 1 . The two first terminals 3 are the first and second ground terminals of the grounding terminal 100. The first and second grounding terminals are symmetrically mounted on two sides of the upper portion of the insulative housing 1; The second terminal 4 is a third and fourth grounding terminal of the grounding terminal 100. The third and fourth grounding terminals are symmetrically mounted on opposite sides of the insulative housing 1. The third grounding terminal is located on the side of the first grounding terminal. The fourth ground terminal is located beside the second ground terminal. As shown in FIG. 5, the inner metal shell 21 has four elastic extending contact arms 210, which respectively press the first, second, third, and fourth grounding terminals one by one, and form stable electrical properties. Turn on.

The grounding terminal 100 is bent and formed with a guiding portion 101. The guiding portion 101 is fixedly exposed on the side of the insulative housing 1 , and the guiding portion 101 is pressed against the elastic extending contact arm 210 .

a limiting slot 211 is formed on the rear end of the inner metal shell 21; a limiting slot 11 corresponding to the limiting piece 211 is formed on the insulative housing 1 , and the limiting piece 211 is embedded in the limiting slot 11; A limiting notch 213 is formed on both sides of the rear end of the inner metal shell 21, and the limiting ribs 12 are formed on both sides of the rear end of the insulating body 1. The limiting ribs 12 are fastened and fastened in the limiting notch 213. This ensures that the inner metal shell 21 is stably sleeved on the insulative housing 1.

The lower end surface of the inner metal shell 21 is punched and bent to form a plurality of positioning pieces 212 for PCB board insertion and positioning, thereby ensuring that the inner metal shell 21 can be more stably connected with the PCB after the assembly and the PCB board assembly. Board assembly.

As shown in FIG. 5, the inner metal shell 21 and the outer metal shell 22 are fixed by spot welding to ensure the stability of the inner metal shell 21 and the outer metal shell 22, and the outer metal shell 21 is outside. A card slot 214 is formed, and a card 221 is formed on the outer side of the outer metal shell 22. The card 221 is snap-fitted and fixed in the card slot 214, thereby further improving the stability of the inner metal shell 21 and the outer metal shell 22.

A plurality of soldering legs 222 are formed on the two sides of the outer metal shell 22, and the soldering legs 222 are used for soldering and fixing the PCB board. The rear end of the outer metal shell 22 is formed with a positioning pin 223, and the positioning pin 223 is used for positioning. The PCB board is fixed and fixed to ensure that the creation is stably mounted on the PCB.

The inner wall of the inner metal shell 21 is formed with a convex hull 215 for increasing the insertion and extraction force, and the convex hull 215 is exposed in the interposing space 20.

In summary, the inner metal shell 21 of the present invention is formed with at least one elastic extension. The contact arm 210, the elastic extension contact arm 210 and the grounding terminal 100 are pressed and turned on, thereby enhancing the masking effect of the metal shell structure 2, thereby making the anti-interference ability of the creation stronger, the communication quality is better, and the market competition is promoted. force.

The above descriptions are only specific examples of the present invention, and are not intended to limit the scope of implementation of the present invention. Any equivalent changes or modifications made in accordance with the structures, features and principles described in the scope of the patent application of the present invention should be included in the present creation. Within the scope of the patent application.

11‧‧‧Limited slot

100‧‧‧ Grounding terminal

101‧‧‧Guidance

21‧‧‧Metal metal shell

211‧‧‧Limited Movies

212‧‧‧ Positioning film

22‧‧‧Outer metal shell

210‧‧‧Flexible extension arm

3‧‧‧First terminal

4‧‧‧second terminal

Claims (10)

An electrical connector includes: an insulating body, a terminal set disposed on the insulating body, an inner metal shell sleeved on the insulating body, and an outer metal shell fixedly covering the upper end and the outer side of the inner metal shell, the inner metal shell A pairing space is formed between the terminal body and the insulative housing. The terminal group includes at least one grounding terminal, wherein the inner metal shell is formed with at least one elastic extending contact arm, and the elastic extending contact arm is pressed against the grounding terminal. The electrical connector of claim 1, wherein the ground terminal is bent and formed with a guiding portion, the guiding portion is fixedly exposed on a side of the insulating body, the guiding portion and the elastic extending arm Resist the conduction. The electrical connector of claim 1, wherein the terminal set includes a plurality of first terminals disposed in an upper portion of the insulative housing and a plurality of second terminals disposed in a lower portion of the insulative housing, wherein The two first terminals on the two sides of the upper part of the insulative housing are the first and second grounding terminals as the grounding terminals; the two second terminals on the lower sides of the insulative housing are the third as the grounding terminal. a fourth grounding terminal; the inner metal shell has four elastic extending contact arms that respectively press the first, second, third, and fourth grounding terminals one by one. The electrical connector of any one of claims 1 to 3, wherein a central portion of the inner metal shell is formed with a limiting piece, and a central portion of the insulating body is formed with a limiting slot corresponding to the limiting piece, the limit The piece is embedded in the limit slot. The electrical connector of claim 4, wherein a limitless notch is formed on both sides of the rear end of the inner metal shell, and a finite strip is formed on both sides of the rear end of the insulating body, and the limiting rib is tightly clamped. Fixed in the limit gap. The electrical connector of claim 1, wherein the lower end surface of the inner metal shell is punched and bent to form a plurality of positioning pieces for PCB board insertion and positioning. The electrical connector of claim 1, wherein the inner metal shell and the outer metal shell are fixed by spot welding, the inner metal shell is provided with a card slot on the outer side, and the outer metal shell is formed with a card outside, the card The snap fit is fixed in the card slot. The electrical connector of claim 1, wherein the outer metal shell has a plurality of soldering legs formed downwardly on opposite sides thereof; and the outer metal shell has a positioning pin formed downwardly at the rear end thereof. The electrical connector of claim 1, wherein the inner metal shell inner wall is formed with a convex hull for increasing the insertion and extraction force, and the convex hull is exposed to the interposing space. The electrical connector of claim 1, wherein the electrical connector is a USB Type-C connector.