CN209860245U

CN209860245U - Telescopic USB connector

Info

Publication number: CN209860245U
Application number: CN201920457658.3U
Authority: CN
Inventors: 邓红波
Original assignee: JUST CONNECTOR KUNSHAN CO Ltd
Current assignee: JUST CONNECTOR KUNSHAN CO Ltd
Priority date: 2019-04-04
Filing date: 2019-04-04
Publication date: 2019-12-27
Anticipated expiration: 2029-04-04

Abstract

A telescopic USB connector comprises a shielding shell, a metal piece and a terminal set, wherein the metal piece can move in the shielding shell, the terminal set is fixed in the metal piece, the shielding shell is communicated with an accommodating cavity formed in the front-back direction, the metal piece comprises a base part, a butt joint tongue part and an installation cavity, the butt joint tongue part extends from the front side of the base part to the butt joint tongue part, the installation cavity penetrates through the base part from the back side and extends to the butt joint tongue part, the terminal set is installed in the installation cavity, the terminal set comprises conductive terminals exposed out of the upper surface and the lower surface of the butt joint tongue part, the outer peripheral surface of the base part is matched with the inner side surface of the accommodating cavity of the shielding shell to slide, and the metal piece can move in the accommodating cavity to enable the; the telescopic USB connector can achieve telescopic differentiation functions.

Description

Telescopic USB connector

Technical Field

The present application relates to the field of electrical connectors, and more particularly to a retractable USB connector.

Background

Traditional USB socket connector, including Micro USB and Type C etc. generally all weld on the circuit board in the cell-phone host computer, form the jack that supplies USB plug male again in the bottom side trompil of cell-phone shell, the USB plug passes through the jack insert realize the electricity behind the butt joint chamber of USB socket. This requires a hole large enough for the USB plug to be inserted into the bottom side of the handset housing. In order to attract consumers, various mobile phone manufacturers are performing differentiation design to be different from the traditional mobile phone manufacturers, so that the affinity of the consumers is obtained, and the product differentiation competitiveness is improved.

SUMMERY OF THE UTILITY MODEL

In view of this, it is desirable to provide a telescopic USB connector to achieve a differentiated design and increase product competitiveness.

In order to solve the technical problem, the application provides a telescopic USB connector, which includes a shielding shell, a metal part movable in the shielding shell, and a terminal set fixed in the metal part, wherein the shielding shell is communicated with a containing cavity formed in the front-back direction, the metal part includes a base part, a butt joint tongue part formed by extending from the base part in the front direction, and an installation cavity extending from the back part to the butt joint tongue part and penetrating through the base part in the front direction, the terminal set is installed in the installation cavity, the terminal set includes conductive terminals exposed out of the upper and lower surfaces of the butt joint tongue part, the outer peripheral surface of the base part is matched with the inner side surface of the containing cavity of the shielding shell to slide, and the metal part can move in the containing cavity to enable the conductive terminals exposed out of the front end of the shielding shell in the front direction.

Preferably, the upper side and the lower side of the front end of the mounting cavity are provided with exposed openings, and the conductive terminals are exposed on the upper surface and the lower surface of the butt joint tongue part from the exposed openings.

Preferably, the front end of the accommodating cavity is provided with an opening, the aperture of the opening is smaller than that of the accommodating cavity, and the butt joint tongue moves from the opening to the outside of the front end of the shielding shell.

Preferably, the upper and lower surfaces of the docking tongue portion at the rear end of the exposed opening are provided with thickened portions, the thickened portions cover the upper and lower surfaces of the mounting cavity, and the thickness of the thickened portions is not greater than the height of the opening portion so that the thickened portions can move out of the front end of the shielding shell.

Preferably, the periphery of the base is sleeved with a waterproof ring, and the periphery of the base is of a plane structure so as to be tightly matched with the inner wall surface of the accommodating cavity.

Preferably, the base extends backward to form a force application end, and an external force for moving the metal piece is applied to the force application end, and the force application end extends backward from the center of the bottom side of the base.

Preferably, the terminal group comprises a printed circuit board and conductive terminals arranged on the upper surface and the lower surface of the front end of the printed circuit board, and the conductive terminals are gold fingers.

Preferably, the terminal set includes a first terminal set, a second terminal set, a shielding plate disposed between the first terminal set and the second terminal set, and a plastic body integrally molding the first terminal set, the second terminal set and the shielding plate.

Preferably, the solder tails of the printed circuit board or the first and second terminal sets are connected to a main board through board-to-board or FPC connectors to transmit signals or power.

Preferably, the butt joint tongue portion comprises two transverse outer frames and a front frame portion connected with the two transverse outer frames at the front ends, and clamping grooves are formed in the transverse outer sides of the two transverse outer frames.

The telescopic USB connector of this application the terminal group that the metalwork drove in it stretches out and shields the casing and be connected with butt joint plug, and this design can with flexible mouth on the shell reduce to only with the size of butt joint tongue can, make the cell-phone outward appearance more accord with consumer's hobby, also increased the cell-phone function differentiation, be favorable to improving the competitiveness.

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.

Fig. 1 is a perspective view of a telescopic USB connector of the present application assembled in a mobile terminal;

FIG. 2 is a perspective view of the retractable USB connector of the present application;

FIG. 3 is an exploded perspective view of the retractable USB connector of the present application;

FIG. 4 is a perspective view of a retraction assembly of the retractable USB connector of the present application;

FIG. 5 is an exploded perspective view of a retraction assembly of the retractable USB connector of the present application;

fig. 6 is a sectional view taken along the broken line a-a shown in fig. 1.

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.

Referring to fig. 1, the mobile terminal of the present application includes a housing 10, a telescopic USB connector 20 assembled in the housing 10, a driving mechanism 30, and a linkage 40 connecting the driving mechanism 30 and the telescopic USB connector 20.

The shell 10 is a middle frame and rear cover integrated structure or a middle frame, and the shell 10 includes a frame body 11 and a telescopic opening 12 arranged at the bottom side of the frame body 11.

As shown in fig. 2 to fig. 6, the retractable USB connector 20 includes a shielding shell 21, a metal member 22, and a terminal set 23 assembled in the metal member 22.

The shielding shell 21 includes a shell 211, an accommodating cavity 212 penetrating the shell 211 in a front-back direction, welding legs 214 extending from two lateral sides of the shell 211, and a waterproof ring 213 sleeved or molded at the front end of the shell 211. An opening part 215 is arranged on one side of the accommodating cavity 212 facing the shell 10, and the size of the opening part 215 is smaller than that of the accommodating cavity 212.

The metal member 22 includes a base 221, a docking tongue 222 extending forward from the base 221, a force applying end 223 extending backward from one side of the base 221, and a mounting cavity 2225 extending from the rear end through the base 221 to the front end of the docking tongue 222. The docking tongue 222 includes two lateral outer frames 2221, a front frame portion 2223 connected to the two lateral outer frames 2221 at the front end, a thickened portion 2224 covering between the two lateral outer frames 2221, and an exposed opening 2226 exposing the front portion of the mounting cavity 2225 to the upper and lower side surfaces of the docking tongue 222.

The front ends of the two transverse outer frames 2221 are recessed to form a slot 2222. The thickened portion 2224 covers the upper and lower surfaces of the rear portion of the mounting cavity 2225, and the mounting cavity 2225 penetrates the thickened portion 2224 in the front-rear direction. The vertical distance of the thickened portion 2224 is greater than the vertical thickness of the lateral frame 2221. An annular groove 224 for installing the waterproof ring 24 is opened on the periphery of the base 221. The outer surface of the base 221 is a plane structure and is matched with the inner surface of the accommodating cavity 212 of the shielding shell 21 for sliding. The waterproof ring 24 is attached to the inner surface of the accommodating cavity 212 and the annular groove 224 of the base 221 to prevent water, or the waterproof ring 24 is integrally formed on the outer surface of the base 221 and extends for a certain distance in the inserting and pulling direction to make the metal member 22 slide more smoothly relative to the shielding shell 21.

The force applying end 223 is formed to extend backward from the bottom middle position of the base 221 so as to concentrate the force applied to the metal member 22 at the middle position and prevent the force from being deviated due to the uneven force.

The terminal group 23 includes a printed circuit board 231 and a plurality of conductive terminals 232 disposed on the upper and lower sides of the front end of the printed circuit board 231. The terminal set 23 is inserted into the mounting cavity 2225 from the rear end of the metal member 22, and the conductive terminal 232 is located at the exposed opening 2226 of the mounting cavity 2225 so that the conductive terminal 232 is exposed on the upper and lower surfaces of the mating tongue 222. The rear end of the printed circuit board 231 is also welded with a board-to-board or FPC connector, which is connected to the mobile phone motherboard through a cord. The printed circuit board 231 is fixed in the mounting cavity 2225 of the metal member 22, for example, by gluing or fastening.

The terminal group 23 may also be formed by injection molding using a conventional first and second terminal groups and a shielding middle plate, in which case, in this case, the terminal group 23 is also inserted into the mounting cavity 2225 of the metal component 22 and the first and second terminal groups are exposed on the upper and lower surfaces of the mating tongue 222. At this time, the rear end of the terminal group 23 is soldered to the soldering feet of the first and second terminal groups by means of a printed circuit board, and then electrically connected to the main board of the mobile phone by a board-to-board or FPC connector.

The driving mechanism 30 is a motor, the driving mechanism 30 is disposed on one side of the telescopic USB connector 20, a shaft of the driving mechanism 30 is connected through the linkage rod 40, and the shaft of the driving mechanism 30 contracts back and forth to drive the metal member 22 to drive the terminal group 23 to move.

Referring to fig. 6, the waterproof ring 213 at the front end of the shielding shell 21 is pressed forward against the inner side surface of the housing 10, the opening 215 of the shielding shell 21 corresponds to the telescopic opening 12 of the housing 10, and the aperture of the opening 215 is larger than that of the telescopic opening 12. The thickness at the exposed opening 2226 of the docking tongue 222 of the metal member 22 is no greater than the height of the compression opening 12, the thickness at the thickened portion 2224 of the docking tongue 222 is no greater than the height of the opening 215, and the thickness at the thickened portion 2224 of the docking tongue 222 is no less than the height of the compression opening 12. Thus, the conductive terminals 232 at the exposed portions 2226 of the docking tongue 222 can be pushed by the driving mechanism 30 to extend forward out of the telescopic opening 12 of the housing 10 and be docked with the plug connector, and the thickened portions 2224 are limited inside the telescopic opening 12.

In one embodiment, the thickened portion 2224 of the docking tongue 222 moves out of the housing 10 together, and the thickened portion 2224 simultaneously interfaces with the metal shell of the docking plug to enhance the strength and stability of the connection.

The telescopic USB connector of this application shields casing 21 in the cell-phone through fixed, rethread actuating mechanism 30 drive metalwork 22 and drive terminal group 23 in it stretch out the shell 10 is outer to be connected with the butt joint plug, this design can with flexible mouthful on the shell 10 reduce to only with the size of butt joint tongue 222 can, make the cell-phone outward appearance more accord with consumer hobby, also increased the cell-phone function differentiation, be favorable to improving the competitiveness.

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. A telescopic USB connector is characterized by comprising a shielding shell, a metal piece and a terminal group, wherein the metal piece can move in the shielding shell, the terminal group is fixed in the metal piece, the shielding shell is communicated with an accommodating cavity formed in the front-back direction, the metal piece comprises a base part, a butt joint tongue part and an installation cavity, the butt joint tongue part extends from the front side of the base part to the front side of the metal piece, the installation cavity penetrates through the base part from the back side to the butt joint tongue part, the terminal group is installed in the installation cavity, the terminal group comprises conductive terminals exposed out of the upper surface and the lower surface of the butt joint tongue part, the outer peripheral surface of the base part is matched with the inner side surface of the accommodating cavity of the shielding shell to slide, and the metal piece can move in the accommodating cavity to enable the conductive.

2. The telescopic USB connector according to claim 1, wherein the mounting cavity has exposed openings at upper and lower sides of a front end thereof, and the conductive terminals are exposed from the exposed openings to upper and lower surfaces of the mating tongue.

3. The telescopic USB connector according to claim 2, wherein the front end of the receiving cavity has an opening, the opening has a smaller diameter than the receiving cavity, and the docking tongue moves out of the front end of the shielding shell from the opening.

4. The telescopic USB connector according to claim 3, wherein upper and lower surfaces of the docking tongue at the rear end of the exposing port are provided with thickened portions which cover the upper and lower surfaces of the mounting cavity, and the thickness of the thickened portions is not greater than the height of the opening portion so that the thickened portions move out of the front end of the shield case.

5. The telescopic USB connector according to claim 1, wherein a waterproof ring is sleeved on the outer periphery of the base, and the outer periphery of the base is a planar structure to closely fit with the inner wall surface of the receiving cavity.

6. The telescopic USB connector according to claim 1, wherein the base is formed to extend rearward to have a force applying end on which an external force for moving the metal member is applied, and the force applying end is formed to extend rearward from a central position of a bottom side of the base.

7. The telescopic USB connector according to claim 1, wherein the terminal set includes a printed circuit board and conductive terminals disposed on upper and lower surfaces of a front end of the printed circuit board, and the conductive terminals are gold fingers.

8. The telescopic USB connector of claim 1, wherein the terminal set includes a first terminal set, a second terminal set, a shielding plate disposed between the first terminal set and the second terminal set, and a plastic body integrally molding the first terminal set, the second terminal set and the shielding plate.

9. The telescopic USB connector of claim 7, wherein the solder tails of the printed circuit board are connected to a main board through board-to-board or FPC connectors for signal or power transmission.

10. The telescopic USB connector of claim 8, wherein the solder tails of the first and second terminal sets are connected to a main board through board-to-board or FPC connectors for signal or power transmission.

11. The telescopic USB connector according to claim 1, wherein the docking tongue portion includes two lateral frames and a front frame portion connecting the two lateral frames at front ends, and the two lateral frames are provided with locking grooves at lateral outer sides thereof.