CN108539452B

CN108539452B - Open USB socket

Info

Publication number: CN108539452B
Application number: CN201810227556.2A
Authority: CN
Inventors: 顾远文; 李亚勇
Original assignee: Shenzhen Everwin Precision Technology Co Ltd
Current assignee: Shenzhen Everwin Precision Technology Co Ltd
Priority date: 2018-03-19
Filing date: 2018-03-19
Publication date: 2020-04-14
Anticipated expiration: 2038-03-19
Also published as: CN108539452A

Abstract

An open USB socket comprises an insulating body, a terminal group formed in the insulating body and a metal fastener embedded in the insulating body, the insulating body comprises a base body, a front end part formed by forward extending from the bottom side and the two lateral sides of the base body, a butt joint tongue part formed in the front end part by forward extending from the base body, and a containing cavity formed in the front end part and with an open upper end, the butt joint tongue part is positioned in the containing cavity, the containing cavity comprises a bottom wall and two transverse side walls, the two metal fasteners are integrally formed in the bottom wall, a clamping hole is formed in the rear side of the bottom wall corresponding to the metal fasteners, the hook of the butt joint plug is clamped into the clamping hole to be abutted against the metal fastener, the open top end of the accommodating cavity is covered by the mobile phone shell, the mobile phone shell protrudes downwards at the rear end of the accommodating cavity to form a gear protrusion for preventing the butting plug from being excessively inserted; the metal casing is got rid of to open USB socket of this application and is left the headroom district for cell-phone antenna design.

Description

Open USB socket

Technical Field

The present application relates to the field of electrical connectors, and more particularly, to an open USB socket.

Background

With the development of full screen of the mobile phone, the metal middle plate supporting the mobile phone screen almost occupies the whole mobile phone plane space, but the current mobile phone generally adopts a metal rear shell, the clearance area reserved for the mobile phone antenna is greatly compressed, and an enough clearance area must be arranged for the antenna in a limited space to ensure the antenna signal transmission.

The full screen is an irreversible trend, and only the other components are improved to provide more clearance. The USB connector for mobile phone generally includes a conductive terminal, an insulating body forming the conductive terminal, and a metal shell sleeved outside the insulating body, and if the metal shell can be eliminated, a certain clearance area can be provided for the antenna.

Disclosure of Invention

In view of the above, it is desirable to provide an open USB socket, which includes an insulative housing, a terminal set formed in the insulative housing, and a metal fastener embedded in the insulative housing, the insulating body comprises a base body, a front end part formed by forward extending from the bottom side and the two lateral sides of the base body, a butt joint tongue part formed in the front end part by forward extending from the base body, and a containing cavity formed in the front end part and with an open upper end, the butt joint tongue part is positioned in the containing cavity, the containing cavity comprises a bottom wall and two transverse side walls, the two metal fasteners are integrally formed in the bottom wall, a clamping hole is formed in the rear side of the bottom wall corresponding to the metal fasteners, the hook of the butt joint plug is clamped into the clamping hole to be abutted against the metal fastener, the open top end of the accommodating cavity is covered by the mobile phone shell, the mobile phone shell is arranged at the rear end of the accommodating cavity and protrudes downwards to form a gear protrusion for preventing the butting plug from being excessively inserted.

Preferably, the metal fastener further comprises a solder leg extending outside the insulating body to fix the USB socket on a printed circuit board.

Preferably, the metal fastener further comprises a fixing ear extending out of the insulating body, and the fixing ear is provided with a fixing hole for fixing the USB socket on the printed circuit board.

Preferably, the metal fastener includes an embedding portion, an extending portion extending from one side of the embedding portion and an inclined portion bending and extending from the rear end of the extending portion, the clamping hole corresponds to the inclined portion, and after the butt-joint plug is inserted into the accommodating cavity, the hook of the butt-joint plug is clamped into the clamping hole and abuts against the inclined portion

Preferably, the embedded portion of the metal fastener is provided with a through hole, and the insulating body is filled into the through hole to enhance the bonding degree of the metal fastener.

Preferably, the base portion of the insulating body is located on a surface of the accommodating cavity, and an end surface is formed on the surface.

Preferably, the upper part of the end face is removed to form a step part, and the gear protrusion extends into the position of the step part to prevent the excessive insertion of the butt plug.

Preferably, the top of the two side walls of the insulating body is provided with a clamping groove, and the position of the mobile phone shell corresponding to the clamping groove is provided with a clamping part.

Preferably, the terminal set includes a plurality of conductive terminals and a plastic block combining the conductive terminals into a whole, and the conductive terminals include a holding portion, and a contact portion and a welding portion respectively extending from front and rear ends of the holding portion.

Preferably, a notch is formed in a position of the base portion of the insulating body corresponding to the docking tongue portion, so that the solder leg of the conductive terminal extends out of the insulating body.

This application open USB socket has cancelled metal casing, through the open side that cell phone case cover accepted the chamber to form downwardly extending on cell phone case and go into it is protruding to accept fender position of chamber rear end to prevent that the dock plug from excessively inserting. The metal fastener formed on the bottom wall of the insulating body is matched with the hook of the plug to prevent the bottom wall of the insulating body from being damaged. So, guarantee under this application socket self intensity and the condition of the cohesion of printed circuit board, get rid of metal casing, leave certain headroom area for cell-phone antenna signal, make things convenient for the design of cell-phone overall structure.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings: fig. 1 to 6 are drawings of a first embodiment of the present application; fig. 7 and 8 are drawings of a second embodiment of the present application; fig. 9 and 10 are drawings of a third embodiment of the present application; fig. 11 and 12 are drawings of a fourth embodiment of the present application.

Fig. 1 is a perspective view of an open USB socket covered with a mobile phone case according to the present application;

FIG. 2 is an exploded view of the open USB jack and the housing of the mobile phone according to the present application;

fig. 3 is a perspective view of a mobile phone case of the open USB socket of the present application;

FIG. 4 is an exploded perspective view of the open USB receptacle of the present application;

FIG. 5 is an exploded view of the insulator of the open USB receptacle of the present application;

FIG. 6 is a perspective view of a metal fastener of the open USB receptacle of the present application;

FIG. 7 is a perspective view of a second embodiment of the open USB socket of the present application;

fig. 8 is a perspective view of a mobile phone housing according to a second embodiment of the present application; .

FIG. 9 is a perspective view of a third embodiment of the open USB receptacle of the present application;

FIG. 10 is a perspective view of a metal fastener according to a third embodiment of the present application;

FIG. 11 is a perspective view of a fourth embodiment of the open USB socket of the present application;

fig. 12 is a perspective view of a metal insert of a fourth embodiment of the open USB socket of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Example 1

Referring to fig. 2, 4 and 5, the open USB socket of the present application includes an insulating body 10, a terminal set 20 formed in the insulating body 10, a metal fastener 30 embedded in the insulating body 10 and a reinforcement 40.

The terminal set 20 includes a plurality of conductive terminals 21 and a plastic block 22 for combining the plurality of conductive terminals 21 into a whole. The conductive terminal 21 includes a holding portion 211, a contact portion 212 and a soldering portion 213 extending from the front and rear ends of the holding portion 211.

The insulating body 10 includes a base portion 11, a front end portion 12 formed by extending forward from the bottom side and both lateral sides of the base portion 11, a mating tongue portion 13 formed by extending forward from the base portion 11 in the front end portion 12, a housing cavity 15 formed in the front end portion 12 and having an open upper end, and an end surface 14 formed on the front end surface of the base portion 11.

The base portion 11 is provided with a notch 111 at a position corresponding to the docking tongue 13 for the solder leg 213 of the conductive terminal 21 to extend out of the insulating body 10. The base portion 11 further includes two side portions 112 located at two sides of the notch 111, and the reinforcing member 40 is integrally formed on the base portion 11.

The front end portion 12 includes a bottom wall 121, a side wall 122, a locking hole 123 and a fool-proof groove 125 opened on the bottom wall 121, and a locking groove 124 disposed on the inner side of the top end of the side wall 122. The bottom wall 121 and the side wall 122 of the front end portion 12 define the accommodation chamber 15, the docking tongue portion 13 is located in the accommodation chamber 15, and the top end of the accommodation chamber 15 is open. The locking hole 123 is located at two sides of the position where the vertical projection of the docking tongue 13 is on the bottom wall 121, and the locking hole 123 corresponds to a locking hook of the plug.

The reinforcing member 40 is made of a metal material, and the reinforcing member 40 includes a main body portion 41 embedded in the upper surface of the base portion 11, solder fillets 44 bent from two lateral sides of the main body portion 41 and extending downward to the bottom of the insulating body 10, embedded portions 43 bent obliquely downward from two lateral sides of the main body portion 41 and extending into the base portion 11, and a stopper portion 42 formed by pressing downward from the front end portion of the main body portion 41 and being inserted into the upper portion of the end face 14. The upper surface of the body portion 41 is flush with the upper surface of the base portion 11. When the metal shell is removed, the reinforcing member 40 is integrally formed in the insulating housing 10, and is soldered to the printed circuit board through the solder tail 44 to fix the socket of the present application, and the stop portion 42 at the front end of the main body portion 31 of the reinforcing member 40 is used for preventing the plug from being inserted further to prevent the damage to the insulating housing 10.

As shown in fig. 6, the metal fastener 30 includes an embedded portion 31, an extending portion 33 extending from one side of the embedded portion 31 in the transverse direction, an inclined portion 34 bending and extending downward from the rear end of the extending portion 33, and a through hole 32 formed in the embedded portion 31. The metal fastener 30 is integrally formed on the bottom wall 121, and the plastic material fills the through hole 32 to enhance the bonding force between the insulating body 10 and the metal fastener 30. The inclined portion 34 is located at the front end of the locking hole 123 of the insulation body 10 and inclines backwards, and the hook of the butt plug is inserted into the locking hole 123 and is clamped with the inclined portion 34 to prevent the insulation body 10 from being damaged. The upper surface of the metal fastener 30 is flush with the upper surface of the bottom wall 121.

As shown in fig. 1 and fig. 3, the open end of the upper side of the accommodating cavity 15 of the insulating housing 10 is covered by the mobile phone case 50. The mobile phone case 50 is a partial structure, and the mobile phone case 50 includes a plate portion 51 and a locking portion 52 extending downward from the plate portion 51 and locked in a locking groove 123 on an upper end surface of two side walls 122 of the insulating body 10 to position the socket.

The open USB socket of this application has cancelled metal casing, imbeds insulator 10 rear end and downwardly extending leg 44 with the fixed socket through reinforcement 40, simultaneously, the punching press setting of reinforcement 40 front end is located accept backstop portion 42 on the chamber 15 rear end face 14 to prevent that the plug from excessively inserting and damaging insulator 10. The metal fastener 30 formed on the bottom wall 121 of the insulating body 10 is arranged to cooperate with the hook of the plug to prevent the bottom wall of the insulating body 10 from being damaged. So, guarantee under this application socket self intensity and the condition of the cohesion of printed circuit board, get rid of metal casing, leave certain headroom area for cell-phone antenna signal, make things convenient for the design of cell-phone overall structure.

Example 2

Referring to fig. 7 and 8, compared to embodiment 1, embodiment 2 is different in that the reinforcing member 40 is removed, and a stop protrusion 53 is formed on the mobile phone shell 50 and extends downward above the rear end surface of the receiving cavity 15 to prevent the plug from being inserted further, and meanwhile, the socket can be fixed by clamping or extending a solder foot on the metal fastener 30 and soldered to the pcb. A step portion 141 is formed above the rear end surface of the receiving cavity 15 of the insulating body 10 to receive the gear protrusion 53.

Example 3

Please refer to fig. 9 and fig. 10, which are different from embodiment 1 or embodiment 2 in that: the reinforcing member 40 extends out of the fixing ear 35 towards the lateral outer side of the insulating body 10, and the fixing ear 35 is provided with a fixing hole 36 for fixing the socket on the printed circuit board.

Example 4

Please refer to fig. 11 and 12, which are different from embodiment 1 in that: the reinforcing member 40 is integrated with the metal fastening member 30 to form a metal insert 80. The metal insert 80 includes a plate-shaped portion 81 formed on the surface of the base portion 11, fillets 82 formed by bending and extending downward from both lateral sides of the plate-shaped portion 81, vertical portions 83 formed by bending and extending downward from portions of the front end of the plate-shaped portion 81 located at both lateral sides of the docking tongue portion 13, first extending portions 84 formed by bending and extending downward from the ends of the two vertical portions 83, second extending portions 85 formed by extending forward from the first extending portions 84, and inclined guide portions 87 formed by tearing and extending obliquely downward and rearward from the outer sides of the front ends of the second extending portions 85, and a gap 86 is formed at the rear ends of the inclined guide portions 87. The second extension 85 also extends outward beyond the solder foot 88 of the insulating housing 10 laterally to further enhance the holding force between the socket and the printed circuit board.

The plate 81 is integrally formed on the upper surface of the base 11, and the solder leg 82 passes through the insulating body 10 and is soldered to the pcb. The vertical portion 83 is formed on the rear end surface 14 of the receiving cavity 15 to block the plug from being inserted excessively, and functions similarly to the stopping portion 42 in embodiment 1 or the shift protrusion 53 of the mobile phone case 50 in embodiment 2. The first and second extending

portions

84,85 are integrally formed on the bottom wall 12 of the insulating housing 10, and the guiding portion 87 and the locking hole 123 on the bottom wall of the insulating housing 10 function as the inclined portion 34 in embodiment 1.

Compared with embodiment 1, the metal insert 80 of embodiment 4 with an integrated structure can be molded by one-step stamping, and is easier to fix during injection molding, thereby reducing the manufacturing cost.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. An open USB socket comprises an insulating body and a terminal group formed in the insulating body, and is characterized in that the open USB socket further comprises a metal fastener embedded in the insulating body, the insulating body comprises a base body, a front end part formed by forward extending from the bottom side and the two transverse sides of the base body, a butt-joint tongue part formed in the front end part by forward extending from the base body and an accommodating cavity formed in the front end part and having an open upper end, the butt-joint tongue part is positioned in the accommodating cavity, the accommodating cavity comprises a bottom wall and two transverse side walls, the two metal fasteners are integrally formed in the bottom wall, a clamping hole is formed in the rear side of the bottom wall corresponding to the position of the metal fastener, a clamping hook of a butt-joint plug is clamped in the clamping hole and abutted against the metal fastener, the open top end of the accommodating cavity is covered by a mobile phone shell, and the mobile phone shell protrudes downwards at the rear end of the accommodating cavity to form a gear protrusion for preventing the butt-joint plug from .

2. The open USB socket according to claim 1, wherein the metal clip further comprises solder tails extending outside the insulator body for securing the USB socket to a printed circuit board.

3. The open USB socket according to claim 1, wherein the metal fastener further comprises a fixing ear extending out of the insulator body, the fixing ear having a fixing hole for fixing the USB socket to a printed circuit board.

4. The open USB socket according to claim 1, wherein the metal fastener includes an insertion portion, an extension portion extending from one lateral side of the insertion portion, and an inclined portion bent downward from a rear end of the extension portion, the latching hole corresponds to the inclined portion, and after the docking plug is inserted into the receiving cavity, the latch of the docking plug is latched into the latching hole and abuts against the inclined portion.

5. The open USB socket of claim 4, wherein the metal clip has a through hole at the insertion portion, and the insulation body is filled in the through hole to enhance the bonding strength of the metal clip.

6. The open USB socket according to claim 1, wherein the base portion of the insulating body is located on a surface of the receiving cavity to form an end surface.

7. The open USB receptacle of claim 6, wherein the end surface is removed to form a step, and the protrusion extends into the step to prevent over-insertion of the mating plug.

8. The open USB socket as claimed in claim 7, wherein the top of the two side walls of the insulating body is provided with a locking slot, and the position of the mobile phone shell corresponding to the locking slot is provided with a locking portion.

9. The open USB socket according to any one of claims 1-8, wherein the terminal set comprises a plurality of conductive terminals and a plastic block for integrally combining the plurality of conductive terminals, and the conductive terminals comprise a holding portion, and a contact portion and a welding portion respectively extending from the front end and the rear end of the holding portion.

10. The open USB socket according to claim 9, wherein the base portion of the insulating housing has a notch at a position corresponding to the mating tongue portion for allowing the solder leg of the conductive terminal to extend out of the insulating housing.