CN214706332U

CN214706332U - USB connector

Info

Publication number: CN214706332U
Application number: CN202120907007.7U
Authority: CN
Inventors: 伍华明; 吴晓涛; 林海燕
Original assignee: Xing Wan Lian Electronics Co ltd
Current assignee: Xing Wan Lian Electronics Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-11-12
Anticipated expiration: 2031-04-28

Abstract

The utility model discloses a USB connector, which comprises a shell, a tongue plate and a backstop cover plate; the tongue plate is arranged in the shell, and a plurality of contact terminals are arranged on the tongue plate and used for connecting two electronic devices; wherein, the tongue plate is provided with a reinforcing part for reinforcing the fixing strength of each contact terminal; the stopping cover plate is covered on the tongue plate and is fixedly connected with the shell. The utility model discloses improve the structure of USB connector, improved the transmission speed of USB connector to the steadiness and the connection stability of USB connector have been improved.

Description

USB connector

Technical Field

The utility model relates to a connector technical field especially relates to a USB connector.

Background

The existing USB connector generally includes a metal shell, a tongue plate, and a plurality of signal terminals, wherein the metal shell is surrounded to form an installation space, the plurality of signal terminals are uniformly embedded on the tongue plate at intervals, and the tongue plate is fixed in the installation space of the metal shell and is surrounded with the metal shell to form a plug hole for plugging a male/female plug of the USB connector.

However, the USB connector with such a structure has a low signal transmission speed and a narrow applicable range.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a USB connector, which is capable of increasing the signal transmission speed of the USB connector, so as to expand the applicable range thereof.

In order to achieve the above object, the present invention provides a USB connector, the USB connector includes:

a housing;

the tongue plate is arranged in the shell, and a plurality of contact terminals are arranged on the tongue plate and used for connecting two electronic devices; wherein, the tongue plate is provided with a reinforcing part for reinforcing the fixing strength of each contact terminal; and

and the retaining cover plate is covered on the tongue plate and is fixedly connected with the shell.

In an embodiment, the reinforcing portion is a plurality of columnar structures protruding on the tongue plate, and the reinforcing portion is disposed corresponding to a position where the contact terminal is embedded in the tongue plate.

In one embodiment, the tongue plate includes an insertion section and an extension section connected to the insertion section, the insertion section is disposed in the housing and the extension section extends out of the housing;

the retaining cover plate is arranged on one side of the extending section in a covering mode and fixes the tongue plate on the shell so as to limit the tongue plate to move and be separated along the direction departing from the shell.

In one embodiment, the retaining cover plate is arranged in a sheet shape, and the retaining cover plate is connected and fixed with the shell through spot welding.

In one embodiment, the anti-backing cover plate comprises a body and a wrapping edge arranged on the edge of the body, and the wrapping edge wraps and tightly clamps the side edge of the extending section on the body.

In an embodiment, the USB connector further includes a middle steel plate, and the tongue plate is supported and fixed in the housing through the middle steel plate.

In one embodiment, the housing is made of 304 stainless steel, and the thickness of the housing is 0.20 mm; the retaining cover plate is made of 304 stainless steel, and the thickness of the retaining cover plate is 0.15 mm; the material of well steel sheet is 304 stainless steel, and its thickness is 0.20 mm.

In one embodiment, the middle steel sheet and the shell are fixedly connected through spot welding.

In one embodiment, the surfaces of the shell, the retaining cover plate and the middle steel sheet are all plated with nickel.

In one embodiment, the USB connector is a USB3.1 electrical connector.

The technical scheme of the utility model, because this USB connector includes casing, hyoplastron and stopping apron, the hyoplastron is installed in the casing, is equipped with a plurality of contact terminals on the hyoplastron for connect two electron devices, wherein, is equipped with the rib on the hyoplastron, in order to be used for strengthening each contact terminal's fixed strength, stopping apron lid is located on the hyoplastron and is connected fixedly with the casing, and the setting of rib has improved contact terminal's dielectric coefficient, has improved USB connector's signal transmission speed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a viewing angle according to an embodiment of the USB connector of the present invention;

fig. 2 is a schematic structural diagram of another view angle of an embodiment of the USB connector according to the present invention;

fig. 3 is a schematic structural diagram of another view angle of an embodiment of the USB connector according to the present invention;

fig. 4 is an exploded view of an embodiment of the USB connector of the present invention;

fig. 5 is a schematic structural diagram of a retaining cover plate according to an embodiment of the USB connector of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Shell body	400	Contact terminal
200	Tongue plate	210	Insertion section
				300	Retaining cover plate	220	Extension section
310	Body	320	Wrapping edge
				500	Medium steel sheet	110	Connecting pin
100a	Plug hole		201					First sub-tongue plate
				202	Second sub-tongue plate	231	Clamping block
101	Bayonet	2021	Reinforcing part

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

In some exemplary technologies, the USB connector includes a metal shell, a tongue plate, and a plurality of signal terminals, the metal shell encloses to form a mounting space, the plurality of signal terminals are embedded on the tongue plate at regular intervals, and the tongue plate is fixed in the mounting space of the metal shell and encloses with the metal shell to form a plug hole for plugging a male/female plug of the USB connector.

However, the tongue plate of this structure is poor in stability, and after long-term use, misalignment is liable to occur from the metal shell portion or to be completely detached, which makes the connection stability of the USB connector poor.

In order to improve the transmission speed of the USB connector, the present invention provides a USB connector, which is suitable for various connectors with tongue plates, and can be USB2.0, USB3.0, USB3.1 or other types of connectors, and can be applied to USB disks, computers, automobiles, etc., without limitation.

Referring to fig. 1 to 4, in an embodiment of the present invention, the USB connector includes a housing 100, a tongue plate 200 and a retaining cover plate 300; the tongue plate 200 is mounted in the case 100, and a plurality of contact terminals 400 are provided on the tongue plate 200 for connecting two electronic devices; wherein, the tongue plate 200 is provided with a reinforcement portion 2021 for enhancing the fixing strength of each contact terminal 400; the retaining cover plate 300 covers the tongue plate 200 and is connected and fixed to the housing 100.

The housing 100 may be made of metal, stainless steel, and the like, and may be made of stainless steel, particularly stainless steel of SUS304R-3/4H type, and the thickness thereof may be set to 0.20 mm. The tongue plate 200 may be an integrally formed plastic structure, or may be a split assembly structure (as shown in fig. 3, the tongue plate 200 may include a first tongue plate 201 and a second tongue plate 202, and the first tongue plate 201 and the second tongue plate 202 may be connected and fixed by clamping or welding, etc.). The tongue plate 200 may be made of plastic material, especially black plastic material of PA9T 30% glass fiber + UL 94V-0. The contact terminal 400 may be integrally nickel plated, the contact area may be gold plated, and the soldering area thereof may be fog tin plated. Here, specific structures and materials of the case 100, the tongue plate 200, and the contact terminal 400 are not limited.

The retaining cover 300 may be in the form of a sheet or a plate, but is not limited thereto. The material of the retaining cover plate 300 may be metal or plastic, particularly stainless steel, and its type may be SUS304R-3/4H, and its thickness may be set to 0.15 mm. The retaining cover plate 300 with the structure has certain plasticity, toughness and strength, good machinability and good comprehensive mechanical property after quenching and tempering.

In this embodiment, the tongue plate 200 may be integrally formed by injection molding to form the reinforcement portion 2021, the reinforcement portion 2021 may be a columnar structure protruding on the tongue plate 200, the number of the columnar structures may be multiple, and the reinforcement portion 2021 may be disposed corresponding to a position where the contact terminal 400 is embedded in the tongue plate 200. Of course, in some other embodiments, a split structure may also be adopted, and the reinforcement portion 2021 may be a supporting piece disposed at a position where the contact terminal 400 is embedded in the tongue plate 200, and the supporting piece may be attached to the tongue plate 200 by bonding or clipping.

During production and assembly, the tongue plate 200 can be fixed on the retaining cover plate 300 in a clamping or welding mode, the tongue plate 200 is inserted into the insertion hole 100a in the shell 100, the tongue plate 200 and the shell 100 can be installed and fixed in a clamping or welding mode, the shell 100 and the retaining cover plate 300 are connected and fixed in a spot welding or other mode, the tongue plate 200 is fixed in the insertion hole 100a of the shell 100 in a limiting mode, and the whole installation process is simple and convenient.

It should be noted that when the housing 100 and the retaining cover plate 300 are fixed by spot welding, the connection strength between the housing 100 and the retaining cover plate 300 can be ensured, so that the tongue plate 200 can be inserted into the housing 100 more stably.

It can be understood that, the utility model discloses an install this USB connector's hyoplastron 200 in casing 100, be equipped with a plurality of contact terminal 400 on the hyoplastron 200 for connect two electron devices, wherein, be equipped with reinforcement 2021 on the hyoplastron 20, in order to be used for strengthening the fixed strength of each contact terminal 400, the stopping apron 300 lid is located on the hyoplastron 200 and is connected fixedly with casing 100, and the setting of reinforcement 2021 has improved the dielectric coefficient of contact terminal 400, has improved the signal transmission speed of USB connector.

It is worth mentioning that the USB connector with ultrashort body structure of the present invention, especially when it is a USB3.1 connector, can meet the requirement of Gen2, and the transmission speed can reach 10G.

In order to facilitate the installation of the tongue plate 200 into the housing 100 and improve the connection stability of the USB connector, in an embodiment, referring mainly to fig. 4, the tongue plate 200 of the USB connector may include an insertion section 210 and an extension section 220 connected to the insertion section 210, the insertion section 210 is disposed in the housing 100 and the extension section 220 is disposed to extend out of the housing 100; the retaining cover 300 covers the side of the protruding section 220 and fixes the tongue plate 200 to the housing 100 to limit the movement of the tongue plate 200 in a direction away from the housing 100.

A connecting section between the insertion section 210 and the extension section 220 of the tongue plate 200 may be provided with a clamping block 231 corresponding to a portion where the housing 100 is attached (as shown in fig. 4, the clamping block 231 is disposed on both sides of the connecting section), the housing 100 may be provided with a bayonet 101 corresponding to the clamping block (as shown in fig. 3, the bayonet 101 is disposed on both sides of the housing 100), so that the tongue plate 200 is inserted into the insertion hole 100a in the housing 100, and the clamping block 231 and the bayonet 101 are matched to perform a certain limiting function.

In some embodiments, referring mainly to fig. 5, the retaining cover plate 300 may include a body 310 and a covering edge 320 disposed on the edge of the body 310, wherein the covering edge 320 covers and tightly clamps the side edge of the protruding section 220 of the tongue plate 200 on the body 310. With such an arrangement, the connection strength between the retaining cover plate 300 and the tongue plate 200 can be improved, the retaining cover plate 300 is prevented from being separated from the tongue plate 200, and the stability of the USB connector is enhanced.

In addition, in some embodiments, referring mainly to fig. 4, the USB connector may further include a middle steel piece 500, and the tongue plate 200 is supported and fixed in the housing 100 through the middle steel piece 500.

In this embodiment, the middle steel plate 500 is disposed on the tongue plate 200 and fixed to the housing 100 by spot welding to support the tongue plate 200, so that the tongue plate 200 is more stably mounted, and the connection stability of the USB connector is improved.

Among them, the middle steel sheet 500 may be made of stainless steel of SUS304R-1/2H type, and the thickness may be set to 0.20mm, which is not limited herein.

In addition, in this embodiment, the surfaces of the shell 100, the stiffener 300, and the middle steel sheet 500 may be plated with nickel (amino sulfur nickel), so as to improve the surface condition of the parts, resist the attack of active anions, and improve the mechanical properties (wear resistance, hardness, etc.) and corrosion resistance, thereby expanding the application range and prolonging the service life of the USB connector.

In order to facilitate fixing the USB connector to the circuit board, in some embodiments, referring mainly to fig. 1 to 3, the outer side of the casing 100 may be provided with a connection pin 110 for fixing with an electronic device, and the connection pin 110 may be inserted into a mounting hole on the circuit board and fixed by welding. In this embodiment, the metal shell 100 may be integrally formed by stamping or the like to form the connecting legs 110.

It should be noted that the number of the connecting pins 110 in this embodiment may be multiple, and the connecting pins 110 are respectively disposed on two outer walls of the casing 100 which are oppositely disposed. So set up, can strengthen the joint strength between USB connector and the circuit board, improve the steadiness of equipment.

The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. A USB connector, comprising:

a housing;

2. The USB connector according to claim 1, wherein the reinforcing portion is a plurality of columnar structures protruding from the tongue plate, and the reinforcing portion is disposed at a position corresponding to a position where the contact terminal is inserted into the tongue plate.

3. The USB connector according to claim 1, wherein the tongue plate includes an insertion section and an extension section connected to the insertion section, the insertion section is disposed in the housing and the extension section is disposed to extend out of the housing;

4. The USB connector according to claim 3, wherein the retaining cover is provided in a sheet shape, and the retaining cover is fixed to the housing by spot welding.

5. The USB connector according to claim 4, wherein the anti-backup cover plate comprises a body and a covering edge arranged on the edge of the body, and the covering edge covers and clamps the side edge of the protruding section on the body.

6. The USB connector according to any of claims 1-5, wherein the USB connector further comprises a middle steel plate, and the tongue plate is supported and fixed in the shell through the middle steel plate.

7. The USB connector of claim 6, wherein the housing is made of 304 stainless steel with a thickness of 0.20 mm; the retaining cover plate is made of 304 stainless steel, and the thickness of the retaining cover plate is 0.15 mm; the material of well steel sheet is 304 stainless steel, and its thickness is 0.20 mm.

8. The USB connector of claim 7, wherein the middle steel plate is fixed to the housing by spot welding.

9. The USB connector of claim 7, wherein the surfaces of the housing, the retaining cover plate and the middle steel plate are plated with nickel.

10. The USB connector of claim 1, wherein the USB connector is a USB3.1 electrical connector.