CN216145837U

CN216145837U - USB 3.0 connector

Info

Publication number: CN216145837U
Application number: CN202121801818.5U
Authority: CN
Inventors: 陈福权
Original assignee: DONGGUAN YUQIU INKET ELECTRONIC SCIENCE & TECHNOLOGY CO LTD
Current assignee: DONGGUAN YUQIU INKET ELECTRONIC SCIENCE & TECHNOLOGY CO LTD
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-03-29
Anticipated expiration: 2031-08-03

Abstract

The utility model discloses a USB 3.0 connector, which comprises a plastic seat, a plurality of USB 3.0 terminals and USB 2.0 terminals which are fixed in the plastic seat, and a metal shell which is fixed at the periphery of the plastic seat, wherein a plurality of windows are arranged on the metal shell, a simple beam spring plate is integrally connected in each window, the simple beam spring plate comprises a first contact arm which is integrally connected with the front inner wall of each window and is in an inclined state, a first bent arm which is formed by bending the rear end of the first contact arm downwards, and a first connecting arm which is formed by bending the rear end of the first bent arm upwards and is integrally connected with the rear inner wall of each window, the first connecting arm is in the inclined state, and the connecting part of the first contact arm and the first bent arm is raised upwards. Because the both ends of the simply supported beam elastic sheet are respectively and integrally connected with the front inner wall and the rear inner wall of the window, the connection strength of the whole simply supported beam elastic sheet is ensured, the elastic force with ideal effect is achieved, the simple supported beam elastic sheet can be prevented from being out of service due to the fact that a product is obliquely inserted, the simply supported beam elastic sheet is prevented from being degraded, and the product quality can be effectively improved.

Description

USB 3.0 connector

The technical field is as follows:

the utility model relates to the technical field of connector products, in particular to a USB 3.0 connector.

Background art:

USB, an abbreviation for Universal Serial BUS (USB), is an external BUS standard for standardizing the connection and communication between a computer and external devices, and is an interface technology applied in the field of PCs. USB was proposed by a combination of companies such as Intel, Conjun, IBM, Microsoft, etc., at the end of 1994. The USB has high transmission speed and is very convenient to use. The USB interface also has the advantages of supporting the plug-and-play and hot plug functions of the equipment, being flexible in connection, independent in power supply and the like, can be connected with a mouse, a keyboard, a printer, a scanner, a camera, a flash disk, an MP3 player, a mobile phone, a digital camera, a mobile hard disk, an external optical floppy drive, a USB network card, an ADSL Modem, a Cable Modem and the like, almost all external equipment is provided with the USB interface, and the USB interface is very widely used.

USB 3.0 connector among the prior art all is provided with the metal casing generally, in order to increase the plug power of inserting the external connector in the USB 3.0 connector, can add a plurality of shell fragment arm of forces at the metal casing, and this shell fragment arm of force only one end is connected with the metal casing, and the other end is the free end, and the shell fragment arm of force of this structure is when external connector inserts to one side, easily causes the shell fragment arm of force to become invalid, perhaps can insert the shell fragment arm of force and turn over, leads to external connector can't continue to insert to so that the product normal use.

In view of the above, the present inventors propose the following.

The utility model has the following contents:

the utility model aims to overcome the defects of the prior art and provides a USB 3.0 connector.

In order to solve the technical problems, the utility model adopts the following technical scheme: the USB 3.0 connector comprises a plastic seat, a plurality of USB 3.0 terminals and USB 2.0 terminals which are fixed in the plastic seat and a metal shell which is fixed on the periphery of the plastic seat, wherein an opposite insertion space for inserting an external connector is formed between the metal shell and the plastic seat, a plurality of windows are arranged on the metal shell, a simply supported beam elastic sheet is integrally connected in each window, the simply supported beam elastic sheet comprises a first contact arm which is integrally connected with the front inner wall of each window and is in an inclined state, a first bending arm which is formed by downwards bending the rear end of the first contact arm and a first connecting arm which is formed by upwards bending the rear end of the first bending arm and is integrally connected with the rear inner wall of each window, the first connecting arm is in an inclined state, and the connecting part of the first contact arm and the first bending arm is upwards raised and extends into the opposite insertion space.

Furthermore, in the above technical scheme, the simply supported beam elastic sheet is arranged at the lower end of the metal shell, and a plurality of convex hulls are punched at the upper end of the metal shell, and the convex hulls protrude into the opposite insertion space.

Furthermore, in the above technical solution, a tongue plate is formed at the front end of the plastic seat, and a fool-proof protrusion is further disposed at the front end of the tongue plate.

Further, in the above technical solution, first welds extending downward are formed on both sides of the middle of the metal shell; and both sides of the rear end of the metal shell are respectively formed with a second welding which extends downwards.

Furthermore, in the above technical solution, both sides of the rear end of the upper end surface of the plastic seat are provided with first limiting protrusions; the rear end both sides of metal-back up end all are provided with first spacing breach and lie in the first card of preventing moving back of first spacing breach side, and in this first spacing breach was arranged in to this first spacing lug, this first card of preventing moving back supported and leans on in first spacing lug rear end face.

Further, in the above technical scheme, a plurality of anti-retreat clamping grooves are arranged on the rear side of the lower end surface of the plastic seat; the rear side shaping of terminal surface has a plurality of seconds to prevent moving back the card under the metal-back, and this second prevents moving back the card and impresses in this prevents moving back the draw-in groove.

Furthermore, in the above technical scheme, both sides of the rear end of the lower end surface of the plastic seat are provided with second limiting bumps; and second limiting notches are arranged on two sides of the rear end of the lower end face of the metal shell.

Further, in the above technical solution, a rear cover is further formed at the rear end of the metal shell in an extending manner, and the rear cover is further covered on the peripheries of the first pin portion of the USB 3.0 terminal and the second pin portion of the USB 2.0 terminal.

After adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects: the two ends of the simply supported beam elastic sheet arranged in the metal shell are respectively and integrally connected with the front inner wall and the rear inner wall of the window, so that the connection strength of the whole simply supported beam elastic sheet is ensured, the simply supported beam elastic sheet has ideal elastic force, the simply supported beam elastic sheet can be prevented from being invalid due to inclined insertion of a product, the simply supported beam elastic sheet is prevented from being degraded, the quality of the product can be effectively improved, and the simple supported beam elastic sheet has strong market competitiveness. The first contact arm of the simply supported beam elastic sheet is integrally connected with the front inner wall of the window and is in an inclined state, so that the simply supported beam elastic sheet has a guiding effect, an external connector inserted into the opposite insertion space can be smoothly and continuously inserted, the symmetrical quality is ensured, and the phenomenon that the external connector is continuously inserted into the opposite insertion space due to the fact that the simply supported beam elastic sheet is inserted and overturned is prevented.

Description of the drawings:

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of another aspect of the present invention;

FIG. 3 is an exploded perspective view of the present invention;

FIG. 4 is a perspective view of the metal shell of the present invention;

fig. 5 is a sectional view of the metal shell in the present invention.

The specific implementation mode is as follows:

the utility model is further illustrated below with reference to specific embodiments and the accompanying drawings.

As shown in fig. 1-5, the USB 3.0 connector includes a plastic base 1, a plurality of USB 3.0 terminals 2 and USB 2.0 terminals 3 fixed in the plastic base 1, and a metal shell 4 fixed on the periphery of the plastic base 1, wherein an insertion space for inserting an external connector is formed between the metal shell 4 and the plastic base 1, a plurality of windows 41 are disposed on the metal shell 4, a simple beam spring 42 is integrally connected in each window 41, the simple beam spring 42 is used for contacting with an external connector inserted into the insertion space to enhance insertion and extraction force, so that the external connector is stably inserted into the insertion space, the simple beam spring 42 includes a first contact arm 421 integrally connected with the front inner wall of the window 41 and in an inclined state, a first bending arm 422 formed by bending downward along the rear end of the first contact arm 421, and a first connecting arm 423 formed by bending upward along the rear end of the first bending arm 422 and integrally connected with the rear inner wall of the window 41, the first connection arm 423 is in an inclined state, and a connection portion of the first contact arm 421 and the first bending arm 422 is upwardly protruded and extends into the opposite insertion space. The two ends of the simply supported beam elastic sheet 42 arranged in the metal shell 4 are respectively and integrally connected with the front inner wall and the rear inner wall of the window 41, so that the connection strength of the whole simply supported beam elastic sheet 42 is ensured, the simply supported beam elastic sheet 42 has ideal elastic force, the simply supported beam elastic sheet 42 can be prevented from being invalid due to the inclined insertion of a product, the simply supported beam elastic sheet 42 is prevented from being degraded, the product quality can be effectively improved, and the utility model has strong market competitiveness. The first contact arm 421 of the simply supported beam spring 42 is integrally connected with the front inner wall of the window 41 and is in an inclined state, so that the simply supported beam spring has a guiding function, an external connector inserted into the opposite insertion space can be smoothly and continuously inserted, the symmetrical quality is ensured, and the phenomenon that the external connector is continuously inserted into the opposite insertion space due to the fact that the simply supported beam spring 42 is inserted and turned over is prevented.

The simply supported beam elastic sheet 42 is arranged at the lower end of the metal shell 4, a plurality of convex hulls 43 are punched and formed at the upper end of the metal shell 4, the convex hulls 43 protrude into the opposite insertion space, and the convex hulls 43 are also used for contacting with an external connector inserted into the opposite insertion space so as to enhance the insertion and extraction force and enable the external connector to be stably inserted into the opposite insertion space.

The front end of the plastic seat 1 is formed with a tongue plate 11, and the front end of the tongue plate 11 is further provided with a foolproof protrusion 111.

Two sides of the middle part of the metal shell 4 are both formed with first welds 44 extending downwards; and the two sides of the rear end of the metal shell 4 are respectively formed with a second welding part 45 extending downwards, when the USB connector is assembled with a PCB, the first welding parts 44 on the two sides of the middle part of the metal shell 4 and the second welding parts 45 on the two sides of the rear end of the metal shell 4 are inserted into the PCB and fastened, so that the metal shell 4 is stably assembled on the PCB, the USB 3.0 connector can be ensured to be stably assembled on the PCB, and the conduction quality is improved.

Two sides of the rear end of the upper end surface of the plastic seat 1 are provided with first limiting lugs 12; the rear end both sides of metal-back 4 up end all are provided with first spacing breach 46 and are located the first card 47 of preventing moving back of first spacing breach 46 side, and this first spacing breach 46 is arranged in to this first spacing lug 12, and this first card 47 of preventing moving back supports and leans on in the 12 rear end faces of first spacing lug to this makes metal-back 4 and plastic seat 1 form stable assembly. In order to further improve the stability and the firm strength between the metal shell 4 and the plastic seat 1, the following design is also made: the rear side of the lower end face of the plastic seat 1 is provided with a plurality of anti-withdrawal clamping grooves 13; a plurality of second anti-return clamping pieces 48 are formed on the rear side of the lower end face of the metal shell 4, and the second anti-return clamping pieces 48 are pressed into the anti-return clamping grooves 13. In addition, two sides of the rear end of the lower end surface of the plastic seat 1 are provided with second limiting lugs 14; the two sides of the rear end of the lower end surface of the metal shell 4 are respectively provided with a second limiting notch 49, the first limiting bump 12 is arranged in the first limiting notch 46, namely, the metal shell 4 and the plastic seat 1 are limited or positioned in multiple directions at multiple different positions, the metal shell 4 and the plastic seat 1 form stable assembly, the labor degree of the structure of the metal shell 4 and the plastic seat 1 is ensured, and the quality of the utility model is improved.

The rear end of the metal shell 4 is further extended and formed with a rear cover 40, and the rear cover 40 is further covered on the peripheries of the first pin part 21 of the USB 3.0 terminal 2 and the second pin part 31 of the USB 2.0 terminal 3, so that the shielding effect of the metal shell 4 can be further improved, and the communication quality of the utility model is better.

In summary, the two ends of the simply supported beam spring 42 disposed in the metal shell 4 of the present invention are integrally connected to the front and rear inner walls of the window 41, respectively, so as to ensure the connection strength of the whole simply supported beam spring 42, and the simply supported beam spring 42 has an ideal elastic force, so as to prevent the simply supported beam spring 42 from failing due to the oblique insertion of the product, prevent the simply supported beam spring 42 from being degraded, effectively improve the product quality, and provide a strong market competitiveness. The first contact arm 421 of the simply supported beam spring 42 is integrally connected with the front inner wall of the window 41 and is in an inclined state, so that the simply supported beam spring has a guiding function, an external connector inserted into the opposite insertion space can be smoothly and continuously inserted, the symmetrical quality is ensured, and the phenomenon that the external connector is continuously inserted into the opposite insertion space due to the fact that the simply supported beam spring 42 is inserted and turned over is prevented.

It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

USB 3.0 connector, it includes plastic seat (1), a plurality of USB 3.0 terminal (2) and USB 2.0 terminal (3) and be fixed in this plastic seat (1) outlying metal-back (4) that are fixed in plastic seat (1), is formed with between this metal-back (4) and plastic seat (1) and supplies external connector male to inserting space, its characterized in that:

the metal shell (4) is provided with a plurality of windows (41), a simply supported beam elastic sheet (42) is integrally connected in each window (41), the simply supported beam elastic sheet (42) comprises a first contact arm (421) which is integrally connected with the front inner wall of each window (41) and is in an inclined state, a first bent arm (422) formed by bending the rear end of the first contact arm (421) downwards and a first connecting arm (423) formed by bending the rear end of the first bent arm (422) upwards and integrally connected with the rear inner wall of each window (41), the first connecting arm (423) is in an inclined state, and the connecting part of the first contact arm (421) and the first bent arm (422) is raised upwards and extends into the opposite insertion space.
2. The USB 3.0 connector of claim 1, wherein: the simply supported beam elastic sheet (42) is arranged at the lower end of the metal shell (4), a plurality of convex hulls (43) are punched and formed at the upper end of the metal shell (4), and the convex hulls (43) protrude into the opposite insertion space.
3. The USB 3.0 connector of claim 1, wherein: the front end of the plastic seat (1) is formed with a tongue plate (11), and the front end of the tongue plate (11) is also provided with a foolproof convex part (111).
4. The USB 3.0 connector of claim 1, wherein: first welding pieces (44) extending downwards are formed on two sides of the middle of the metal shell (4); and second welding parts (45) extending downwards are formed on two sides of the rear end of the metal shell (4).
5. The USB 3.0 connector of any one of claims 1-4, wherein: two sides of the rear end of the upper end surface of the plastic seat (1) are provided with first limiting lugs (12); the rear end both sides of metal casing (4) up end all are provided with first spacing breach (46) and are located the first card (47) of preventing moving back of first spacing breach (46) side, and this first spacing breach (46) is arranged in to this first spacing lug (12), and this first card (47) of preventing moving back supports and leans on in first spacing lug (12) rear end face.
6. The USB 3.0 connector of any one of claims 1-4, wherein: the rear side of the lower end face of the plastic seat (1) is provided with a plurality of anti-withdrawal clamping grooves (13); the rear side shaping of terminal surface has a plurality of second to prevent moving back card (48) under metal casing (4), and this second prevents moving back card (48) and impresses in this prevents moving back draw-in groove (13).
7. The USB 3.0 connector of claim 6, wherein: two sides of the rear end of the lower end surface of the plastic seat (1) are provided with second limiting lugs (14); and second limiting notches (49) are arranged on two sides of the rear end of the lower end face of the metal shell (4).
8. The USB 3.0 connector of any one of claims 1-4, wherein: the rear end of the metal shell (4) is further extended and formed with a rear cover (40), and the rear cover (40) is further covered on the peripheries of the first pin part (21) of the USB 3.0 terminal (2) and the second pin part (31) of the USB 2.0 terminal (3).