CN115395285A

CN115395285A - USB socket structure

Info

Publication number: CN115395285A
Application number: CN202211135149.1A
Authority: CN
Inventors: 屈国辉; 胡毅群; 唐华民; 李友良; 包学兴
Original assignee: Dongguan Yujin Industrial Co ltd
Current assignee: Dongguan Yujin Industrial Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2022-11-25
Anticipated expiration: 2042-09-19
Also published as: CN115395285B

Abstract

The invention discloses a USB socket structure, which comprises a socket body, a rotor, an elastic cover, a floating frame, a contact terminal and a pin terminal, wherein the rotor is arranged on the socket body; the peripheral surface of the rotor is matched with the cavity wall of the accommodating cavity, the rotor is provided with a tangent plane, a slot and a spiral groove, and the bottom surface of the spiral groove is a spiral surface; the elastic cover is provided with an elastic bolt which is abutted against the spiral surface; the floating frame is provided with a first sliding arm; one end of the contact terminal extends into the slot, and the other end of the contact terminal extends to be flush with the circumferential surface of the rotor; one end of the pin terminal extends to be flush with the surface of the cavity wall of the accommodating cavity; when the screw is in an idle state, the end part of the first sliding arm is abutted against the tangent plane, the slot is staggered with the socket, the contact terminal is staggered with the pin terminal, and the elastic bolt is abutted against the lowest point position of the spiral surface; when the plug-in type connector is in a plug-in state, the inner side surface of the first sliding arm is parallel to the tangent plane, the slot is aligned with the socket, the contact terminal is in contact conduction with the pin terminal, and the elastic plug pin abuts against the highest point of the spiral surface; the reliability of the overall structure is higher.

Description

USB socket structure

Technical Field

The invention relates to the technical field of connectors, in particular to a USB socket structure.

Background

The slot of the current USB socket is usually exposed outside directly, and because the terminal of the USB interface is usually in a charged state, for electronic equipment with complex use environments such as a mobile phone and a tablet, if foreign matters or liquid enter the inside of the USB socket, the USB socket and even the whole electronic equipment are short-circuited and burnt, and the structural reliability is relatively low.

Disclosure of Invention

The present invention is directed to overcome the above-mentioned disadvantages and to provide a USB socket structure.

In order to achieve the purpose, the invention adopts the following specific scheme:

a USB socket structure comprises a socket body, a rotor, an elastic cover, a floating frame, a contact terminal and a pin terminal;

the top surface of the socket body is concavely provided with an accommodating cavity, and one side of the socket body is also provided with a socket communicated with the accommodating cavity;

the rotor is rotatably arranged in the accommodating cavity, the peripheral surface of the rotor is matched with the cavity wall of the accommodating cavity, and one side of the rotor is provided with a tangent plane; the circumferential surface of the rotor is inwards provided with an inserting groove, the top surface of the rotor is provided with a spiral groove, and the bottom surface of the spiral groove is a spiral surface;

the elastic cover is fixed on the top surface of the socket body and provided with an elastic bolt which is movably embedded into the spiral groove and abutted against the spiral surface of the spiral groove;

the floating frame is provided with a first sliding arm which is connected with the socket body in a sliding manner;

the contact terminals are arranged in the rotor side by side at intervals, one ends of the contact terminals extend into the slots, and the other ends of the contact terminals extend to be flush with the circumferential surface of the rotor;

the plurality of pin terminals are arranged on the other opposite side of the socket body at intervals in parallel; one end of the pin terminal extends to be flush with the surface of the cavity wall of the accommodating cavity;

the USB socket structure is provided with a plug-in state and an idle state, when the USB socket structure is in the idle state, the end part of the first sliding arm is abutted against the tangent plane of the rotor, the slot rotates to be staggered with the socket, the contact terminal rotates to be staggered with the pin terminal, and the elastic plug pin abuts against the lowest point position of the spiral surface; when the plug-in connection state is achieved, the inner side face of the first sliding arm of the floating frame is parallel to the tangent plane of the rotor, the slot rotates to be aligned with the socket, the contact terminal rotates to be in contact conduction with the corresponding pin terminal, and the elastic plug pin abuts against the highest point position of the spiral face.

The end part of the other end of the contact terminal is provided with a first contact part, and the end surface of the first contact part is an arc surface matched with the circumferential surface of the rotor.

Furthermore, a second contact part is arranged at one end of the pin terminal, and the end face of the second contact part is an arc surface matched with the cavity wall of the accommodating cavity.

The elastic bolt further comprises a spring and a pressing pin, the bottom surface of the elastic cover is convexly provided with a guide cylinder, the spring is arranged in the guide cylinder, one end of the pressing pin is movably inserted into the guide cylinder and is abutted against the elasticity, and the other end of the pressing pin is pressed on the spiral surface of the spiral groove.

Furthermore, an inserting table extends in the slot along the radial direction, and one end of the contact terminal is embedded on the inserting table.

The floating frame is further provided with a second sliding arm, the second sliding arm and the first sliding arm are arranged side by side at intervals, and the second sliding arm is connected to the inserting body in a sliding mode.

Furthermore, the outer side wall of the second sliding arm is convexly provided with a limiting pin, the inserting body is provided with a limiting strip hole, and the limiting pin is embedded into the limiting strip hole in a sliding manner.

Furthermore, the peripheral surface of the rotor is embedded with a first cleaning block, and the first cleaning block is sequentially in frictional contact with the end parts of the pin terminals when the USB socket structure is switched from the idle state to the plug-in state.

The inner wall of the accommodating cavity is further provided with a second cleaning block, and the other end part of each contact terminal is sequentially in frictional contact with a second cleaning module when the USB socket structure is switched from an idle state to a plug-in state.

Further, when the USB socket structure is switched from the idle state to the plug-in state, the first cleaning block is sequentially in friction contact with the end portions of the pin terminals and then in friction contact with the second cleaning block.

The beneficial effects of the invention are as follows: according to the invention, the slot is arranged on the rotor, the contact terminal is embedded in the rotor, the tangent plane is arranged on the rotor, the elastic plug pin is matched with the spiral groove, and the floating frame is matched with the rotor, so that when the USB socket structure is in an idle state, the slot is in a blocking state, foreign matters such as external dust and liquid are prevented from entering the slot and being contacted with the contact terminal to cause a short circuit phenomenon, the contact terminal and the pin terminal are staggered by a certain angle, the USB socket structure is in a disconnection state, the short circuit is prevented, when the USB socket structure is in a plug-in state, the plug and the USB socket structure can be butted through the rotation of the rotor, and the reliability of the whole structure is higher.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention in an idle state;

FIG. 2 is an exploded view of the present invention in an idle state;

FIG. 3 is a schematic structural diagram of the present invention in an idle state with the elastic cover hidden;

FIG. 4 is a schematic structural view of the present invention in the plugged state; a

FIG. 5 is an exploded view of the present invention in the plugged condition;

FIG. 6 is a schematic structural view of the present invention in the plugging state with the elastic cover hidden;

FIG. 7 is a schematic view of the construction of the rotor of the present invention;

FIG. 8 is a schematic cross-sectional view of the invention mated with a plug;

description of reference numerals: 1. a socket body; 11. an accommodating cavity; 12. a socket; 13. limiting strip holes; 2. a rotor; 21. cutting into noodles; 22. a slot; 23. a helical groove; 24. inserting a platform; 3. an elastic cover; 31. an elastic bolt; 311. a spring; 312. pressing a pin; 4. a floating frame; 41. a first slide arm; 42. a second slide arm; 421. a spacing pin; 43. a through hole; 5. a contact terminal; 51. a first contact portion; 6. a pin terminal; 62. a second contact portion; 7. a first cleaning block; 8. a second cleaning block; 10. and (4) a plug.

Detailed Description

The invention will be described in further detail with reference to the following figures and specific examples, without limiting the scope of the invention.

As shown in fig. 1 to 8, the USB socket structure according to this embodiment includes a socket body 1, a rotor 2, an elastic cover 3, a floating frame 4, a contact terminal 5, and a pin terminal 6;

the top surface of the socket body 1 is concavely provided with an accommodating cavity 11, and one side of the socket body 1 is also provided with a socket 12 communicated with the accommodating cavity 11;

the rotor 2 is rotatably arranged in the accommodating cavity 11, the peripheral surface of the rotor 2 is matched with the cavity wall of the accommodating cavity 11, and one side of the rotor 2 is provided with a tangent plane 21, so that the rotor 2 is in a D-shaped structure; the circumferential surface of the rotor 2 is inwards provided with a slot 22, the top surface of the rotor 2 is provided with a spiral groove 23, and the bottom surface of the spiral groove 23 is a spiral surface;

the elastic cover 3 is fixed on the top surface of the socket body 1, the elastic cover 3 is provided with an elastic bolt 31, and the elastic bolt 31 is movably embedded into the spiral groove 23 and is abutted against the spiral surface of the spiral groove 23;

the floating frame 4 is provided with a first sliding arm 41, the first sliding arm 41 is connected with the socket body 1 in a sliding way, and a through hole 43 is preferably arranged at the position of the floating frame 4 corresponding to the socket 12 so as to push the floating frame 4 when the plug 10 is butted;

the contact terminals 5 are arranged in the rotor 2 side by side at intervals, one ends of the contact terminals 5 extend into the slots 22, and the other ends of the contact terminals 5 extend to be flush with the peripheral surface of the rotor 2;

the pin terminals 6 are arranged on the other opposite side of the socket body 1 at intervals in parallel; one end of the pin terminal 6 extends to be flush with the cavity wall surface of the accommodating cavity 11, and specifically, the other end of the pin terminal 6 extends outwards to form the socket body 1 so as to be electrically connected with an external circuit board;

the USB socket structure has a plug-in state and an idle state, when in the idle state, the end part of the first sliding arm 41 abuts against the tangent plane 21 of the rotor 2, the slot 22 rotates to be staggered with the socket 12, the contact terminal 5 rotates to be staggered with the pin terminal 6, and the elastic bolt 31 abuts against the lowest point position of the spiral surface; in the plugging state, the inner side surface of the first sliding arm 41 of the floating frame 4 is parallel to the tangent plane 21 of the rotor 2, the slot 22 rotates to be aligned with the socket 12, the contact terminal 5 rotates to be in contact conduction with the corresponding pin terminal 6, and the elastic plug pin 31 abuts against the highest point of the spiral surface.

Specifically, when the plug 10 is not inserted, the USB socket structure is in an idle state, because the elastic function of the elastic plug 31 and the bottom surface of the spiral groove 23 are spiral surfaces, the elastic plug 31 applies pressure on the rotor 2, so that under the cooperation of the elastic plug 31 and the spiral surfaces, the rotor 2 rotates, the elastic plug 31 relatively slides to the lowest point position of the spiral surface of the spiral groove 23 along the track of the spiral groove 23, the rotor 2 drives the slot 22 to rotate to stagger with the socket 12, so that the cavity wall of the accommodating cavity 11 seals the slot 22, the slot 22 is in a blocking state, and a short circuit phenomenon caused by external dust, liquid and other foreign matters entering the slot 22 and contacting with the contact terminals 5 is avoided, meanwhile, each contact terminal 5 rotates to stagger with each pin terminal 6 by a certain angle along with the rotor 2, so that the USB socket structure is in a disconnected state, that is in an idle state, thereby further avoiding the occurrence of a short circuit, at this time, the floating frame 4 is in an extended state, and the end of the first sliding arm 41 of the floating frame 4 abuts against the tangent plane 21 of the rotor 2;

when the plug 10 needs to be inserted into the socket 12, the abutting portion of the plug 10 penetrates through the through hole 43 of the floating frame 4, and then the plug 10 is pushed, so that the floating frame 4 slides into the plug body, the floating frame 4 drives the first sliding arm 41 to slide, as the first sliding arm 41 abuts against the tangent plane 21 of the rotor 2, the first sliding arm 41 pushes the rotor 2 to rotate until the inner side surface of the first sliding arm 41 is parallel to the tangent plane 21 of the rotor 2, the rotor 2 stops rotating, at this time, the socket 22 rotates to be aligned with the socket 12, at this time, the socket 22 is in an open state, each contact terminal 5 rotates until each pin terminal 6 is aligned and contacted and conducted one by one, in the rotation process of the rotor 2, the elastic plug 31 slides relatively along the spiral surface, slides from the lowest point position of the spiral surface to the highest point position, then the floating frame 4 continues to be pushed, until the abutting portion of the plug 10 penetrates through the socket 12 to be inserted into the socket 22, and thus the abutting of the plug 10 and the USB socket structure is completed, that the socket structure is in an inserted state, at this time, the inner side surface of the first sliding arm 41 abuts against the tangent plane 21 of the plug 2 to lock the rotor 2.

This embodiment is through setting up slot 22 on the rotor 2, establish contact terminal 5 at the embedded rotor 2, set up tangent plane 21 on the rotor 2, elasticity bolt 31 and helicla flute 23's cooperation, and set up the cooperation of floating frame 4 and rotor 2, thereby realize that USB socket structure is in when idle state, slot 22 is in the shutoff state, with avoid external dust, foreign matters such as liquid get into in the slot 22 and contact with contact terminal 5 and cause the short circuit phenomenon, contact terminal 5 staggers certain angle with pin terminal 6, make USB socket structure be in the off-state, thereby avoid the emergence of short circuit, and when USB socket structure is in the grafting state, can be through rotor 2's rotation, realize the butt joint of plug 10 with USB socket structure, overall structure's reliability is higher.

As shown in fig. 2, 5 and 8, in addition to the above embodiment, a first contact portion 51 is further provided at the other end of the contact terminal 5, and an end surface of the first contact portion 51 is an arc surface adapted to the circumferential surface of the rotor 2. This embodiment is through setting up the arc surface on contact terminal 5, increases the area of contact between contact terminal 5 and the pin terminal 6, does benefit to the electric property that improves the USB socket structure.

As shown in fig. 2, 5 and 8, based on the above embodiment, further, a second contact portion 62 is disposed at an end of the pin terminal 6, and an end surface of the second contact portion 62 is an arc surface adapted to a cavity wall of the accommodating cavity 11. This embodiment is through setting up the arc surface on pin terminal 6, increases the area of contact between pin terminal 6 and the contact terminal 5, does benefit to the electric property that improves the USB socket structure.

As shown in fig. 2 and 5, based on the above embodiment, the elastic latch 31 further includes a spring 311 and a pressing pin 312, the bottom surface of the elastic cover 3 is provided with a guide cylinder in a protruding manner, the spring 311 is arranged in the guide cylinder, one end of the pressing pin 312 is movably inserted into the guide cylinder and is elastically abutted, and the other end of the pressing pin 312 is pressed against the spiral surface of the spiral groove 23. In actual use, the spring 311 provides power for the press pin 312, so that the press pin 312 presses the rotor 2 downward, and since the bottom surface of the spiral groove 23 is a spiral surface, rotational power is generated on the rotor 2, so that when the press pin 312 is in an idle state in the USB socket structure, the press pin 312 abuts against the lowest point position of the spiral surface, and when the first sliding arm 41 of the floating frame 4 pushes the rotor 2 to rotate, the press pin 312 slides upward relatively along the spiral surface and presses the spring 311 until the press pin 312 abuts against the highest point position of the spiral surface, at this time, the press pin 312 extends into the guide cylinder, and the guide cylinder provides guidance and limit for the press pin 312;

as shown in fig. 7, based on the above embodiment, further, a platform 24 extends radially inside the slot 22, and one end of the contact terminal 5 is embedded in the platform 24. In this embodiment, the plug platform 24 is arranged, so that the plug 10 and the USB socket structure can be subjected to a positive and negative butt joint operation, and meanwhile, the butt joint portion of the plug 10 can be firmly plugged into the slot 22, and is not easy to loosen.

As shown in fig. 1 to 6, based on the above embodiment, further, the floating frame 4 further has a second sliding arm 42, the second sliding arm 42 is arranged side by side with the first sliding arm 41 at an interval, and the second sliding arm 42 is slidably connected to the plug body. The second sliding arm 42 is provided in the present embodiment, so that the sliding of the floating frame 4 is more smooth, and the plugging operation of the plug 10 is smoother.

As shown in fig. 1 to fig. 6, based on the above embodiment, further, a limit pin 421 is convexly disposed on an outer side wall of the second sliding arm 42, the inserting body is provided with a limit strip hole 13, and the limit pin 421 is slidably inserted into the limit strip hole 13. This embodiment is spacing to floating frame 4 through setting up spacing pin 421 and spacing hole 13 cooperation, avoids floating frame 4 to break away from socket ontology 1, and the structure is used more reliably.

As shown in fig. 2, 3, 5 and 6, based on the above embodiment, further, a first cleaning block 7 is embedded on the circumferential surface of the rotor 2, and the first cleaning block 7 is sequentially in frictional contact with the end portions of the pin terminals 6 when the USB socket structure is switched from the idle state to the plug state. This embodiment is through setting up first clean piece 7 to when USB socket structure switched into the grafting state by idle state, rotor 2 drives first clean piece 7 and rotates, rubs the cleanness to the contact surface of each pin terminal 6, with the electric property of guaranteeing pin terminal 6, the structure uses more reliably.

As shown in fig. 2, fig. 3, fig. 5 and fig. 6, based on the above embodiment, further, a second cleaning block 8 is further disposed on an inner wall of the accommodating cavity 11, and when the USB socket structure is switched from the idle state to the plug-in state, the other end of each contact terminal 5 is sequentially in frictional contact with the second cleaning block. This embodiment is through setting up the clean piece 8 of second to when USB socket structure switched into the grafting state by idle state, rotor 2 drives each contact terminal 5 and rotates, the contact surface and the clean piece 8 frictional contact of second of each contact terminal 5, thereby the realization rubs cleanly to the contact surface of contact terminal 5, with the electric property of guaranteeing contact terminal 5, the structure uses more reliably.

As shown in fig. 3, based on the above embodiment, further, when the USB socket structure is switched from the idle state to the plug state, the first cleaning block 7 sequentially comes into frictional contact with the end portions of the pin terminals 6, and then comes into frictional contact with the second cleaning block 8. This embodiment is through setting up first cleaning block 7 clean back to the contact surface friction of each pin terminal 6 in proper order, rotate to 8 frictional contact with the second cleaning block for can polish each other between two cleaning blocks, so that clear away the foreign matter of polishing that is infected with on the cleaning block, avoid polishing the foreign matter and be infected with at the contact surface of pin terminal 6 or contact terminal 5, guarantee the clean effect of friction of cleaning block.

In this embodiment, as shown in fig. 3 and 6, the end of the first sliding arm 41 is provided with an arc portion, and the arc portion abuts against the tangent plane 21 of the rotor 2 when the USB socket structure is in the idle state, so that the first sliding arm 41 is pushed to rotate, and the resistance is smaller.

The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present patent application are included in the protection scope of the present patent application.

Claims

1. A USB socket structure is characterized by comprising a socket body (1), a rotor (2), an elastic cover (3), a floating frame (4), a contact terminal (5) and a pin terminal (6);

the top surface of the socket body (1) is concavely provided with an accommodating cavity (11), and one side of the socket body (1) is also provided with a socket (12) communicated with the accommodating cavity (11);

the rotor (2) is rotatably arranged in the accommodating cavity (11), the peripheral surface of the rotor (2) is matched with the cavity wall of the accommodating cavity (11), and one side of the rotor (2) is provided with a tangent plane (21); the circumferential surface of the rotor (2) is inwards concavely provided with an inserting groove (22), the top surface of the rotor (2) is provided with a spiral groove (23), and the bottom surface of the spiral groove (23) is a spiral surface;

the elastic cover (3) is fixed on the top surface of the socket body (1), the elastic cover (3) is provided with an elastic bolt (31), and the elastic bolt (31) is movably embedded into the spiral groove (23) and is abutted against the spiral surface of the spiral groove (23);

the floating frame (4) is provided with a first sliding arm (41), and the first sliding arm (41) is connected to the socket body (1) in a sliding mode;

the contact terminals (5) are arranged in the rotor (2) side by side at intervals, one ends of the contact terminals (5) extend into the slots (22), and the other ends of the contact terminals (5) extend to be flush with the peripheral surface of the rotor (2);

the pin terminals (6) are arranged on the other side, opposite to the socket body (1), of the socket body side by side at intervals; one end of the pin terminal (6) extends to be flush with the surface of the cavity wall of the accommodating cavity (11);

the USB socket structure has a plug-in state and an idle state, when in the idle state, the end part of the first sliding arm (41) is abutted against the tangent plane (21) of the rotor (2), the slot (22) rotates to be staggered with the socket (12), the contact terminal (5) rotates to be staggered with the pin terminal (6), and the elastic plug pin (31) abuts against the lowest point position of the spiral surface; when the plug-in type electric connector is in a plug-in state, the inner side face of a first sliding arm (41) of the floating frame (4) is parallel to a tangent plane (21) of the rotor (2), the slot (22) rotates to be aligned with the socket (12), the contact terminal (5) rotates to be in contact conduction with the corresponding pin terminal (6), and the elastic plug pin (31) abuts against the highest point position of the spiral surface.

2. The USB socket structure according to claim 1, wherein the other end of the contact terminal (5) is provided with a first contact portion (51), and an end surface of the first contact portion (51) is a circular arc surface adapted to a circumferential surface of the rotor (2).

3. The USB socket structure according to claim 1, wherein a second contact portion (62) is disposed at an end of the pin terminal (6), and an end surface of the second contact portion (62) is an arc surface adapted to a cavity wall of the accommodating cavity (11).

4. The structure of a USB socket according to claim 1, wherein the elastic plug (31) comprises a spring (311) and a pressing pin (312), a guide cylinder is protruded from the bottom surface of the elastic cover (3), the spring (311) is disposed in the guide cylinder, one end of the pressing pin (312) is movably inserted into the guide cylinder and elastically abuts against the guide cylinder, and the other end of the pressing pin (312) presses against the spiral surface of the spiral groove (23).

5. A USB socket structure according to claim 1, wherein a socket (24) extends radially inside the slot (22), and one end of the contact terminal (5) is embedded in the socket (24).

6. A USB socket structure according to claim 1, wherein the floating frame (4) further has a second sliding arm (42), the second sliding arm (42) is spaced from the first sliding arm (41) and arranged side by side, and the second sliding arm (42) is slidably connected to the plug body.

7. The USB socket structure according to claim 1, wherein a limit pin (421) is protruded from an outer side wall of the second sliding arm (42), the socket body has a limit strip hole (13), and the limit pin (421) is slidably inserted into the limit strip hole (13).

8. The USB socket structure according to claim 1, wherein a first cleaning block (7) is embedded on the peripheral surface of the rotor (2), and the first cleaning block (7) is sequentially in frictional contact with the end portions of the pin terminals (6) when the USB socket structure is switched from the idle state to the plug-in state.

9. The USB socket structure according to claim 8, wherein the inner wall of the accommodating cavity (11) is further provided with a second cleaning block (8), and the other end of each contact terminal (5) is sequentially in frictional contact with the second cleaning module when the USB socket structure is switched from the idle state to the plug-in state.

10. A USB socket structure according to claim 9, wherein the first cleaning block (7) is arranged to be in frictional contact with the end of each pin terminal (6) and then with the second cleaning block (8) when the USB socket structure is switched from the idle state to the plug state.