CN115395285B

CN115395285B - USB socket structure

Info

Publication number: CN115395285B
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: 2023-07-04
Anticipated expiration: 2042-09-19
Also published as: CN115395285A

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 tangential surface, 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 extends to be flush with the peripheral surface of the rotor; one end of the pin terminal extends to be flush with the cavity wall surface of the accommodating cavity; when in an idle state, the end part of the first sliding arm is abutted against the tangential 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 in an inserting state, the inner side surface of the first sliding arm is parallel to the tangential surface, the slot is aligned with the socket, the contact terminal is in contact conduction with the pin terminal, and the elastic bolt is abutted against the highest point of the spiral surface; the reliability of the whole structure is higher.

Description

USB socket structure

Technical Field

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

Background

The socket of the current USB socket is usually directly exposed, and as the terminal of the USB interface is usually in a charged state, for electronic equipment with complex use environments such as mobile phones, flat plates and the like, if foreign matters or liquid enter the interior of the USB socket, the short circuit of the USB socket and even the whole electronic equipment is caused to burn, and the structural reliability is relatively low.

Disclosure of Invention

The present invention is directed to overcoming the above-mentioned drawbacks and providing a USB socket structure.

In order to achieve the above object, the present invention is specifically as follows:

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 a containing cavity, and one side of the socket body is also provided with a socket communicated with the containing cavity;

the rotor is rotationally arranged in the accommodating cavity, the peripheral surface of the rotor is matched with the cavity wall of the accommodating cavity, and a tangential plane is arranged on one side of the rotor; the peripheral surface of the rotor is concavely provided with a slot, 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 is provided with an elastic bolt which is movably embedded into the spiral groove and abuts 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 way;

the plurality of contact terminals are arranged in the rotor at intervals in parallel, one end of each contact terminal extends into the slot, and the other end of each contact terminal extends to be flush with the peripheral surface of the rotor;

the 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 plugging state and an idle state, when in the idle state, the end part of the first sliding arm is propped against the tangential plane of the rotor, the slot is rotated to be staggered with the socket, the contact terminal is rotated to be staggered with the pin terminal, and the elastic plug pin is propped against the lowest point position of the spiral surface; in the plug-in state, the inner side surface of the first sliding arm of the floating frame is parallel to the tangential 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 surface.

In the invention, the other end of the contact terminal is provided with a first contact part, and the end face of the first contact part is an arc surface matched with the peripheral surface of the rotor.

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

The elastic bolt comprises a spring and a pressing pin, wherein 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 spring, and the other end of the pressing pin is pressed against the spiral surface of the spiral groove.

In the invention, a socket is arranged in the slot in a radial extending manner, and one end of the contact terminal is embedded on the socket.

In the invention, the floating frame is further provided with a second sliding arm, the second sliding arm is arranged side by side with the first sliding arm at intervals, and the second sliding arm is connected with the plug-in body in a sliding manner.

According to the invention, the outer side wall of the second sliding arm is convexly provided with the limiting pin, the plug-in body is provided with a limiting strip hole, and the limiting pin is slidably embedded into the limiting strip hole.

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

In the invention, a second cleaning block is further arranged on the inner wall of the accommodating cavity, and the other end parts of the contact terminals are sequentially in friction contact with the second cleaning block when the USB socket structure is switched from the idle state to the plug-in state.

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

The beneficial effects of the invention are as follows: according to the USB socket structure, the slot is arranged on the rotor, the contact terminal is embedded in the rotor, the tangential surface is arranged on the rotor, the elastic bolt 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, the phenomenon of short circuit caused by contact between foreign matters such as external dust and liquid and the like entering the slot and the contact terminal is avoided, the contact terminal and the pin terminal are staggered for a certain angle, the USB socket structure is in a disconnected state, the occurrence of short circuit is avoided, and when the USB socket structure is in a plugging state, the butt joint of the plug and the USB socket structure can be realized through rotation of the rotor, and the reliability of the whole structure is higher.

Drawings

FIG. 1 is a schematic diagram 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 view of the structure of the present invention in an idle state with the elastic cover hidden;

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

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

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

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

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

reference numerals illustrate: 1. a socket body; 11. a receiving chamber; 12. a socket; 13. limiting strip holes; 2. a rotor; 21. cutting into sections; 22. a slot; 23. a spiral groove; 24. a plug-in table; 3. an elastic cover; 31. an elastic bolt; 311. a spring; 312. a press pin; 4. a floating frame; 41. a first slider arm; 42. a second slide arm; 421. a limiting 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. a plug.

Detailed Description

The invention will now be described in further detail with reference to the drawings and the specific embodiments, without limiting the scope of the invention.

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

the top surface of the socket body 1 is concavely provided with a containing cavity 11, and one side of the socket body 1 is also provided with a socket 12 communicated with the containing 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 tangential surface 21, so that the rotor 2 is in a D-shaped structure; a slot 22 is concavely arranged on the peripheral surface of the rotor 2, a spiral groove 23 is arranged on the top surface of the rotor 2, 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 abuts against the spiral surface of the spiral groove 23;

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

the contact terminals 5 are arranged in the rotor 2 at intervals in parallel, 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; one end of the pin terminal 6 extends to be flush with the cavity wall surface of the accommodating cavity 11, specifically, the other end of the pin terminal 6 extends out of the socket body 1 so as to be electrically connected with an external circuit board;

the USB socket structure is provided with a plugging state and an idle state, in the idle state, the end part of the first sliding arm 41 is propped against the tangential surface 21 of the rotor 2, the slot 22 is rotated to be staggered with the socket 12, the contact terminal 5 is rotated to be staggered with the pin terminal 6, and the elastic plug pin 31 is propped 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 tangential surface 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.

Specifically, when the plug 10 is not inserted, the USB socket structure is in an idle state, because the elastic action 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 be staggered with the socket 12, so that the cavity wall of the accommodating cavity 11 seals the slot 22, the slot 22 is in a sealing state, the short circuit phenomenon caused by the fact that foreign matters such as external dust and liquid enter the slot 22 to contact with the contact terminals 5 is avoided, meanwhile, each contact terminal 5 rotates to be staggered with each pin terminal 6 by a certain angle, the USB socket structure is in a disconnected state, namely, the idle state is further avoided, the floating frame 4 is in an extending state, and the end of the first sliding arm 41 of the floating frame 4 abuts against the tangential plane 21 of the rotor 2;

when the plug 10 is required to be inserted into the socket 12, the abutting portion of the plug 10 passes through the through hole 43 of the floating frame 4, 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, 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 tangential surface 21 of the rotor 2 due to the abutting of the first sliding arm 41 with the tangential surface 21 of the rotor 2, the rotor 2 stops rotating, the slot 22 rotates to be aligned with the socket 12, the slot 22 is in an open state, each contact terminal 5 rotates to be in one-to-one alignment contact conduction with each pin terminal 6, the elastic plug pins 31 slide relatively along the spiral surface in the rotating process of the rotor 2, slide from the lowest point position to the highest point position of the spiral surface, and then continue pushing the floating frame 4 until the abutting portion of the plug 10 passes through the socket 12 to be inserted into the slot 22, and thus the abutting of the plug 10 with the USB socket structure is completed, namely the USB socket structure is in the plugging state, the inner side surface of the first sliding arm 41 abuts against the tangential surface 21, and the rotor 2 is locked.

According to the embodiment, the slot 22 is arranged on the rotor 2, the contact terminal 5 is embedded in the rotor 2, the tangential surface 21 is arranged on the rotor 2, the elastic plug pin 31 is matched with the spiral groove 23, and the floating frame 4 is matched with the rotor 2, so that when the USB socket structure is in an idle state, the slot 22 is in a blocking state, the phenomenon that external dust, liquid and other foreign matters enter the slot 22 to contact with the contact terminal 5 to cause a short circuit is avoided, the contact terminal 5 and the pin terminal 6 are staggered by a certain angle, the USB socket structure is in a disconnected state, the short circuit is avoided, and when the USB socket structure is in a plugging state, the butt joint of the plug 10 and the USB socket structure can be realized through the rotation of the rotor 2, and the reliability of the whole structure is higher.

As shown in fig. 2, 5 and 8, further, based on the above embodiment, 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 an arc surface adapted to the peripheral surface of the rotor 2. In this embodiment, the arc surface is disposed on the contact terminal 5, so as to increase the contact area between the contact terminal 5 and the pin terminal 6, which is beneficial to improving the electrical performance of the USB socket structure.

As shown in fig. 2, 5 and 8, based on the above embodiment, further, an end portion of the pin terminal 6 is provided with a second contact portion 62, and an end surface of the second contact portion 62 is an arc surface adapted to a cavity wall of the accommodating cavity 11. In this embodiment, the arc surface is disposed on the pin terminal 6, so as to increase the contact area between the pin terminal 6 and the contact terminal 5, which is beneficial to improving the electrical performance of the USB socket structure.

As shown in fig. 2 and 5, based on the above embodiment, further, the elastic latch 31 includes a spring 311 and a pressing pin 312, the bottom surface of the elastic cover 3 is convexly provided with a guide cylinder, the spring 311 is disposed in the guide cylinder, one end of the pressing pin 312 is movably inserted into the guide cylinder and abuts against the spring 311, 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 pressing pin 312, so that the pressing pin 312 presses the rotor 2, and because the bottom surface of the spiral groove 23 is a spiral surface, rotary power is generated for the rotor 2, so that when the USB socket structure is in an idle state, the pressing 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 pressing pin 312 relatively slides upwards along the spiral surface and presses the spring 311 until the pressing pin 312 abuts against the highest point position of the spiral surface, and at the moment, the pressing pin 312 stretches into the guide cylinder, and the guide cylinder provides guidance and limitation for the pressing pin 312;

as shown in fig. 7, based on the above embodiment, further, a socket 24 extends in the radial direction in the slot 22, and one end of the contact terminal 5 is embedded on the socket 24. In this embodiment, the plug stand 24 is provided, so that the plug 10 and the USB socket structure can be in forward and backward docking operation, and meanwhile, the docking portion of the plug 10 can be firmly plugged into the slot 22, so that the plug is not easy to loose.

As shown in fig. 1 to 6, based on the above embodiment, further, the floating frame 4 further has a second sliding arm 42, where the second sliding arm 42 is disposed side by side with a space between the first sliding arms 41, and the second sliding arm 42 is slidably connected to the socket body. The second sliding arm 42 is provided in this embodiment, so that the sliding of the floating frame 4 is smoother, and the plugging operation of the plug 10 is smoother.

As shown in fig. 1 to 6, further, based on the above embodiment, the outer side wall of the second sliding arm 42 is convexly provided with a limiting pin 421, the socket body is provided with a limiting hole 13, and the limiting pin 421 is slidably embedded into the limiting hole 13. In this embodiment, the limiting pin 421 and the limiting hole 13 are arranged to cooperate to limit the floating frame 4, so that the floating frame 4 is prevented from being separated from the socket body 1, and the structure is more reliable to use.

As shown in fig. 2, 3, 5 and 6, based on the above embodiment, further, a first cleaning block 7 is embedded on the peripheral surface of the rotor 2, where the first cleaning block 7 is in frictional contact with the end of each pin terminal 6 sequentially when the USB socket structure is switched from the idle state to the plugging state. In this embodiment, by setting the first cleaning block 7, when the USB socket structure is switched from the idle state to the plugging state, the rotor 2 drives the first cleaning block 7 to rotate, and the contact surface of each pin terminal 6 is rubbed and cleaned, so as to ensure the electrical performance of the pin terminal 6, and the structure is more reliable in use.

As shown in fig. 2, 3, 5 and 6, based on the above embodiment, further, a second cleaning block 8 is further disposed on the inner wall of the accommodating cavity 11, and when the USB socket structure is switched from the idle state to the plugging state, the other end of each contact terminal 5 is in frictional contact with the second cleaning block in sequence. According to the embodiment, the second cleaning block 8 is arranged, so that when the USB socket structure is switched from the idle state to the plug-in state, the rotor 2 drives each contact terminal 5 to rotate, the contact surface of each contact terminal 5 is in friction contact with the second cleaning block 8, friction cleaning is carried out on the contact surface of each contact terminal 5, the electrical performance of the contact terminal 5 is guaranteed, and the structure is more reliable to use.

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

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 tangential surface 21 of the rotor 2 when the USB socket structure is in the idle state, so that the first sliding arm 41 is convenient to push and rotate to perform rotation, and the resistance is smaller.

The foregoing description is only one preferred embodiment of the invention, and therefore all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the invention are intended to be embraced therein.

Claims

1. The 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 a containing cavity (11), and one side of the socket body (1) is also provided with a socket (12) communicated with the containing cavity (11);

the rotor (2) is rotationally 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 tangential surface (21); the peripheral surface of the rotor (2) is concavely 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), and the first sliding arm (41) is connected with the socket body (1) in a sliding way;

the plurality of contact terminals (5) are arranged in the rotor (2) at intervals in parallel, one end of each contact terminal (5) extends into the slot (22), and the other end of each contact terminal (5) extends 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) 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);

through holes (43) are formed in the positions, corresponding to the sockets (12), of the floating frame (4) so as to push the floating frame (4) when the plugs (10) are in butt joint;

the floating frame (4) is further provided with a second sliding arm (42), the second sliding arm (42) and the first sliding arm (41) are arranged side by side at intervals, and the second sliding arm (42) is connected to the plug-in body in a sliding manner;

the USB socket structure is provided with a plugging state and an idle state, in the idle state, the end part of the first sliding arm (41) is propped against the tangential surface (21) of the rotor (2), the slot (22) is rotated to be staggered with the socket (12), the contact terminal (5) is rotated to be staggered with the pin terminal (6), and the elastic plug pin (31) is propped 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 tangential surface (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. A 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 the end surface of the first contact portion (51) is an arc surface adapted to the peripheral surface of the rotor (2).

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

4. A USB socket structure according to claim 1, wherein the elastic latch (31) includes a spring (311) and a pressing pin (312), the bottom surface of the elastic cover (3) is convexly provided with a guide cylinder, the spring (311) is disposed in the guide cylinder, one end of the pressing pin (312) is movably inserted into the guide cylinder and abuts against the spring (311), and the other end of the pressing pin (312) is pressed against the spiral surface of the spiral groove (23).

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

6. The USB socket structure according to claim 1, wherein the outer side wall of the second sliding arm (42) is convexly provided with a limiting pin (421), the socket body is provided with a limiting hole (13), and the limiting pin (421) is slidably embedded into the limiting hole (13).

7. A 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 in frictional contact with the end of each pin terminal (6) in sequence when the USB socket structure is switched from an idle state to a plugging state.

8. The USB socket structure according to claim 7, 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 in frictional contact with the second cleaning block in sequence when the USB socket structure is switched from the idle state to the plugging state.

9. A USB socket structure according to claim 8, wherein the first cleaning block (7) is in frictional contact with the second cleaning block (8) after being in frictional contact with the end of each pin terminal (6) in sequence when the USB socket structure is switched from the idle state to the plugged state.