CN220324854U - USB adapter - Google Patents

Abstract

The application relates to the field of USB equipment, especially, relate to a USB adapter, it includes the joint body, still includes the go-between, the go-between is installed in joint body one side, the go-between can insert in the female first metal ring of USB, the slot has still been seted up to joint body side, and the public head of USB can insert in the slot, be provided with female first joint spare on the go-between, be provided with the joint hole on the metal ring of the female head of USB, when the go-between inserts the metal ring of the female head of USB, female first joint spare buckle is in the joint hole. The application has the effect of reducing the occurrence of the condition of losing the adapter.

Description

USB adapter

Technical Field

The application relates to the technical field of USB equipment, in particular to a USB adapter.

Background

A Universal Serial Bus (USB) is a common data bus for a computer to connect with other devices. Common USB structure mainly includes public head of USB and the female head of USB, and the female head of USB all includes the metal ring to the public head metal ring of USB can insert the metal ring inside of the female head of USB. The metal ring side wall of the general USB female head is provided with a clamping hole communicated with the inside of the metal ring, an elastic piece is arranged in the clamping hole, and the elastic piece can be abutted on the metal ring of the USB male head after the USB male head is inserted into the USB female head, so that the USB male head and the USB female head are blocked to be separated to a certain extent.

Taking a USB interface on a notebook computer as an example, the interface and the notebook computer body are integrally arranged in a shell of the notebook computer. The position of the notebook shell corresponding to the USB interface is provided with an opening, so that a user can conveniently plug in USB equipment. However, over time, the USB disk or other USB devices are frequently plugged and unplugged, which results in serious abrasion of the USB interface, and affects the service life of the USB interface on the notebook computer.

Therefore, the USB adapter mainly comprises a body, a USB male connector and a USB female connector, wherein the USB male connector and the USB female connector are respectively arranged at two sides of the adapter. When in use, the USB male head is inserted into the USB female head of the notebook computer. Therefore, an extended USB female head is formed outside the notebook computer, and a user can connect the USB equipment to the USB female head on the body to realize connection of the USB equipment and the notebook computer. Thereby avoiding the frequent plugging and unplugging of USB equipment on the notebook computer and prolonging the service life of the USB female head on the notebook computer.

However, the USB adapter is relatively poor in connection stability with a notebook computer (in this case, a notebook computer is taken as an example, and of course, other computer devices are also taken as the same, for example, computers provided on some numerical control devices), and is easy to lose, and other people can take the USB adapter at will, so that the adapter is inconvenient to use.

Disclosure of Invention

In order to improve the stability that adapter and computer are connected, reduce the condition emergence that the adapter was lost, this application provides a USB adapter.

The application provides a USB adapter adopts following technical scheme:

the utility model provides a USB adapter, includes the joint body, still includes the go-between, the go-between is installed in joint body one side, the go-between can insert in the female first metal ring of USB, the slot has still been seted up to joint body side, in the public head of USB can insert the slot, be provided with female first joint spare on the go-between, the joint spare can the joint in the joint hole on the metal ring of the female head of USB.

By adopting the technical scheme, the connecting ring is inserted into the USB female head, so that the connection between the adapter and the computer is realized. The USB male head of the external device can be inserted into the slot to realize the connection between the adapter and the external USB device, thereby realizing the connection between the external USB device and the computer. After the connecting ring is inserted into the metal ring of the USB female head, the female head clamping piece is clamped in the clamping hole of the USB female head metal ring to prevent the connecting ring from being separated from the USB female head metal ring; thereby improving the stability of connection between the adapter and the computer and reducing the occurrence of the condition of losing the adapter.

Optionally, female first joint spare includes elastic part and joint portion, joint portion is located and is close to one side of go-between, elastic part is located between joint portion and the joint body, elastic part one end is connected the other end with joint portion and is connected with the joint body, after the go-between inserts USB female first metal ring, the side that joint portion is close to the joint body and the side butt that is close to the joint body of joint hole.

By adopting the technical scheme, due to the elasticity of the elastic part, the clamping part can be driven to move towards the inside or the outside of the connecting ring when the elastic part is bent, and the elastic part is automatically reset. When the adapter is installed, acting force is applied along with the clamping part, so that the clamping part moves in the direction close to the inside of the connecting ring, and the connecting ring can be inserted into the metal ring of the USB female head. When the clamping part corresponds to the clamping hole on the USB female head metal ring, the clamping part is driven to automatically move towards the outside of the connecting ring under the action of the elastic part, one side of the clamping part is inserted into the clamping hole, and the limit of relative displacement between the USB female head and the connecting ring is realized.

Optionally, the clamping portion and the elastic portion are arranged in plurality along the circumference of the connecting ring, and the clamping holes are arranged in plurality corresponding to the clamping portions.

Through adopting above-mentioned technical scheme, a plurality of joint portions joint simultaneously in the joint hole, improve the spacing stability of relative movement between female head joint spare pair go-between and the female head of USB to further improve the stability that adapter and computer are connected, reduce the condition that the adapter was lost and take place.

Optionally, an inclined plane is provided on the clamping portion, when the connecting ring is inserted into the USB female metal ring, the inclined plane can be abutted to the end face of the USB female metal ring, and drives the clamping portion to move towards the inside of the connecting ring.

Through adopting above-mentioned technical scheme, insert the female first metal ring of USB with the go-between in-process in the female first metal ring of USB, USB female first metal ring and inclined plane butt, the inclined plane drives joint portion and moves to the go-between voluntarily to avoid joint portion to stop the relative female first removal of USB of go-between. The adapter is connected with the USB female head by a user conveniently.

Optionally, the female joint part further comprises a connecting plate movably connected to the joint body, the connecting plate is located between two adjacent elastic parts, and the connecting plate is connected with the two elastic parts at the same time.

By adopting the technical scheme, the two elastic parts are connected through the connecting plate, so that the elastic parts are integrated. When the connecting plate is forced, the elastic parts can be driven to bend simultaneously, so that the positions of the clamping parts can be adjusted simultaneously, and the clamping parts can be controlled conveniently by users.

Optionally, the movable cavity has been seted up to the inside movable cavity that has offered of joint body, the movable intracavity is provided with the lock core, the lock core is connected with the connecting plate, set up on the joint body with the first jack of movable cavity intercommunication, first jack internal rotation is connected with the unblock piece with can dismantling, rotates the unblock piece can drive the connecting plate to keeping away from the direction of the metal ring lateral wall of USB female head is removed.

Through adopting above-mentioned technical scheme, the go-between is connected the back with USB female head, and the go-between is located the female first metal ring of USB inside. The clamping ring is inserted into the clamping hole from the inner side of the USB female head metal ring. The unlocking piece is rotated to drive the connecting plate to move towards the inside of the connecting ring, so that unlocking between the connecting ring and the USB female head metal ring is realized. When the adapter is normally used, the unlocking piece can be pulled out, and the situation that others take the unlocking piece at will is reduced.

Optionally, the unlocking piece includes rotation portion and lug, rotation portion is cylindrical shaft-like structure, rotation portion rotates to be connected in first jack, the lug is connected in rotation portion side, rotation portion side and control hole side butt, the lug is located the control hole.

Through adopting above-mentioned technical scheme, be provided with the lug on the rotating part side, the lug side is greater than the rotating part side to the distance between the self axis of rotation to the perpendicular distance of rotating part axis of rotation to be the integral cam structure that forms. In the process of rotating the unlocking piece, the lug rotates along with the rotating part and drives the lock cylinder to move towards the inside of the connecting ring, and the limit of relative displacement between the connecting ring and the USB female head is canceled, namely, the unlocking process of the adapter is also realized.

Optionally, the first jack includes a rotation hole for passing the rotation part and a protrusion hole for passing the bump.

Through adopting above-mentioned technical scheme, rotate the unblock piece, make lug and protruding hole correspond, remove the rotation portion to the joint body outside this moment and can make the unblock piece pull out in the first jack, realize the detachable connection of unblock piece and joint body.

Optionally, the number of the moving hole axes of the protrusions Kong Raozhuai is two, the positions of the two protruding holes are symmetrical with respect to the middle plane, and when the positions of the protruding holes correspond to the protruding holes, the side surfaces of the protruding blocks are tangent to the side surfaces of the control holes.

Through adopting above-mentioned technical scheme, rotate the unblock piece, the unblock piece can insert first jack or extract first jack from a plurality of angles, and the person of facilitating the use inserts or extracts the unblock piece. And the position of the protruding hole corresponds to the position limit of the protruding block, so that the unlocking piece can be rotated to immediately drive the lock cylinder to move after a user inserts the unlocking piece, and the adapter can be unlocked by the user conveniently.

Optionally, a limiting block is arranged in the control hole, and the limiting block is abutted against the side surface of the protruding block and used for blocking the rotating part from rotating reversely.

By adopting the technical scheme, the forward rotation means the rotation direction of the rotation part when the lug drives the lock cylinder to move along the unlocking direction, and the reverse rotation is opposite to the forward rotation. The reverse rotation of the unlocking piece is limited through the limiting block, the occurrence of invalid rotation after a user inserts the unlocking piece is reduced, and the user can unlock the adapter conveniently.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the connecting ring is inserted into the metal ring of the female head, and one side of the clamping part is inserted into the clamping hole on the metal ring of the USB female head, so that the connecting ring is prevented from moving in the direction away from the USB female head. And under the effect of elasticity portion, the joint portion can stably block in the joint hole under the condition that does not have other external forces, reduces the condition that the adapter was lost.

2. When the adapter is needed to be taken, the unlocking key is inserted into the control hole, and then the unlocking piece is rotated to drive the clamping part to be immersed into the connecting ring, so that the unlocking of the adapter is realized, and the situation that other people take the adapter at will is reduced.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is an enlarged view of portion a of fig. 1 in accordance with an embodiment of the present application.

Fig. 3 is a schematic cross-sectional structure of an embodiment of the present application.

Fig. 4 is a schematic partial structure of an embodiment of the present application.

Fig. 5 is a schematic structural diagram of a female connector according to an embodiment of the present application.

Reference numerals: 1. a USB female; 11. a metal ring; 12. a clamping hole; 2. a joint body; 21. a movable cavity; 22. a slot; 23. a first jack; 231. a rotation hole; 232. a protruding hole; 24. a second jack; 3. a connecting ring; 31. avoidance holes; 4. a female joint part; 41. a clamping part; 42. an elastic part; 43. an inclined surface; 44. a connecting plate; 5. a lock core; 51. a control hole; 52. a limiting block; 6. an unlocking member; 61. a rotating part; 62. a bump; 7. a male head clamping piece; 71. and a second jack.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

Referring to fig. 1, for convenience of description, two components connected by a USB interface are respectively named as a USB male and a USB female 1 in this embodiment, and the USB male and female 1 each include a metal ring 11. The metal ring 11 is of a rectangular annular structure, the metal ring 11 of the USB female head 1 can be sleeved outside the metal ring 11 of the USB male head, and the inner side wall of the metal ring 11 of the USB female head 1 is mutually attached to the outer side wall of the metal ring 11 of the USB male head. The side wall of the metal ring 11 of the USB female head 1 is provided with a clamping hole 12, and the side wall of the clamping hole 12 is provided with an elastic sheet. The position of the metal ring 11 of the USB male head, which corresponds to the elastic piece, is provided with an avoidance hole 31, and one end of the elastic piece is placed in the avoidance hole 31, so that the USB male head and the USB female head 1 can be prevented from being separated to a certain extent.

The embodiment of the application discloses a USB adapter.

Referring to fig. 1, a USB adapter includes a adapter body 2, a first data plug tongue of a connection ring 3, and a second data plug tongue. The whole connector body 2 is of a rectangular block structure, the first data plug tongue is arranged on one side face of the connector body 2 perpendicular to the length direction of the connector body, and the connecting ring 3 is sleeved outside the first data plug tongue. The side surface of the connector body 2 far away from the first data plug tongue is provided with a slot 22, the slot 22 is matched with the metal ring 11 of the USB male head, and the metal ring 11 of the USB male head can be inserted into the slot 22. The second data plug is mounted inside the slot 22. The connector body 2 is internally provided with a circuit board (not shown in the drawings), and both the first data plug and the second data plug are electrically connected to the circuit board.

Referring to fig. 1 and 2, two avoidance holes 31 are formed in the connection ring 3 corresponding to the positions of the elastic pieces on the metal ring 11 of the USB female head 1, and the elastic pieces on the metal ring 11 of the USB female head 1 can be inserted into the avoidance holes 31, so that the connection head is blocked from being separated from the USB female head 1 to a certain extent.

Referring to fig. 1 and 2, a female clip 4 is provided on the connection ring 3, the female clip 4 includes an elastic portion 42 and a clip portion 41, the clip portion 41 has a block structure, and the clip portion 41 is located in the avoidance hole 31. After the connection ring 3 is inserted into the metal ring 11 of the USB female connector 1, the side surface of the clamping portion 41, which is close to the connector body 2, abuts against the side surface of the clamping hole 12, which is close to the connector body 2. The elastic portion 42 is made of an elastic material, such as plastic, elastic metal, etc., and the elastic portion 42 is made of an elastic metal in this embodiment. The elastic portion 42 is located at a side of the clamping portion 41 near the joint body 2. The elastic portion 42 has a long strip-shaped structure, one end of the elastic portion 42 is connected to the joint body 2, and the other end is welded to the clamping portion 41. Through holes are formed in the connecting ring 3 at positions corresponding to the elastic parts 42, so that space is provided for bending deformation of the elastic parts 42. In use, the clamping portion 41 is pressed, and the elastic portion 42 is bent, so that the clamping portion 41 is driven to move toward the inside of the connecting ring 3. At this time, the clamping portion 41 can enter the metal ring 11 of the USB female connector 1 along with the connecting ring 3, and after the position of the clamping portion 41 corresponds to the position of the clamping hole 12 on the metal ring 11 of the USB female connector 1, the elastic portion 42 drives the clamping portion 41 to move towards the outside of the connecting ring 3, so that the clamping portion 41 is hooked in the clamping hole 12, and the joint body 2 is blocked from being separated from the USB female connector 1. The condition that the adapter is lost or taken by others at will is reduced.

Referring to fig. 1 and 2, the side of the engagement portion 41 away from the connecting ring 3 is provided with an inclined surface 43, and the inclined surface 43 is inclined in a direction approaching the outer surface of the connecting ring 3 from a side approaching the joint body 2 to a side away from the joint body 2 along the length direction of the elastic portion 42. During the process of inserting the connection ring 3 into the metal ring 11 of the USB female head 1, the inclined surface 43 abuts against the end surface of the metal ring 11 of the USB female head 1. Under the action of the inclined surface 43, the clamping part 41 is driven to automatically move towards the inside of the connecting ring 3. After the position of the clamping portion 41 corresponds to the clamping hole 12, the clamping portion 41 automatically moves to the outside of the connection ring 3 under the action of the elastic portion 42, and is clamped in the clamping hole 12 by the inner side of the metal ring 11 of the USB female head 1, so as to prevent the connection ring 3 from being separated from the USB female head 1.

Referring to fig. 3 and 4, in order to further improve the stability of the connection of the adapter and the USB female connector 1, a plurality of locking portions 41 may be provided along the circumferential direction of the connection ring 3, and a plurality of elastic portions 42 may be provided corresponding to the locking portions 41. In this embodiment, two clamping portions 41 are provided, and the two clamping portions correspond to the two avoidance holes 31 on the connection ring 3. The structure of the existing USB female head 1 is effectively utilized, the production cost is reduced, and the USB female head is convenient to popularize.

Referring to fig. 3 and 5, the female snap fitting 4 further includes a connection plate 44, the connection plate 44 being located between the two elastic portions 42, the connection plate 44 being disposed parallel to the length direction of the two elastic portions 42. The two sides of the connecting plate 44 are fixedly connected with the side surfaces of the two elastic parts 42, which are close to each other, and the moving connecting plate 44 can drive the two elastic parts 42 to bend simultaneously, so that the positions of the two clamping parts 41 can be adjusted simultaneously.

Referring to fig. 3 and 4, for convenience of description, the side surface where the escape hole 31 is located is defined as a mating surface, the direction in which the locking portion 41 moves toward the outside of the connection ring 3 is defined as a locking direction, and the direction in which the locking portion 41 moves toward the inside of the connection ring 3 is defined as an unlocking direction. The movable cavity 21 is arranged in the joint body 2 and close to the connecting ring 3, and one end of the elastic part 42, which is far away from the clamping part 41, is adhered to the side wall of the movable cavity 21, which is far away from the connecting ring 3. Referring to fig. 4 and 5, the lock cylinder 5 is provided on the connection plate 44, and the lock cylinder 5 is provided on one side of the connection plate 44 in the unlocking direction (i.e., the lock cylinder 5 is located inside the connection ring 3). The lock core 5 is square block structure, and the side of lock core 5 near connecting plate 44 welds with connecting plate 44. The lock cylinder 5 is provided with a control hole 51, and the control hole 51 penetrates the lock cylinder 5 along a direction perpendicular to the length of the elastic part 42 and parallel to the matching surface.

Referring to fig. 3 and 4, a first insertion hole 23 is formed in the connector body 2 at a position corresponding to the lock cylinder 5, and the first insertion hole 23 is rotated and detachably connected with an unlocking member 6. One end of the unlocking member 6 is inserted into the control hole 51, and the unlocking member 6 is rotated to drive the lock cylinder 5 to move along the unlocking direction, so that the clamping portion 41 is driven to sink into the avoidance hole 31. At this time, the connecting ring 3 can be pulled out from the USB female connector 1, so as to unlock the adapter and the USB female connector 1.

Referring to fig. 3 and 4, the control hole 51 is a circular hole, the unlocking member 6 includes a rotating portion 61 and a projection 62, and the rotating portion 61 is a cylindrical rod-shaped structure. The rotating portion 61 is inserted in the first insertion hole 23 and is rotatable about its own axis. The center of the control hole 51 is located on the side of the center of the rotation portion 61 near the connection plate 44. The projection 62 is connected to the side of the turning portion 61, and the projection 62 is located at a position corresponding to the key cylinder 5. The rotating part 61 is rotated, and the rotating part 61 drives the lug 62 to rotate. The protruding block 62 is abutted against the side wall of the control hole 51, and under the action of the protruding block 62, the lock cylinder 5 can be driven to move along the unlocking direction, so that the clamping part 41 is driven to be immersed into the connecting ring 3, and the adapter can be unlocked with the USB female head 1.

Referring to fig. 3, 4 and 5, the first insertion hole 23 includes a rotation hole 231 and a protrusion hole 232 communicating with each other, the rotation hole 231 being a circular hole for passing the rotation portion 61 therethrough; the protruding hole 232 corresponds in shape to the bump 62 for passing the bump 62 therethrough. When the rotation portion 61 is rotated and the boss 62 is positioned corresponding to the protruding hole 232, the unlocking piece 6 can be separated from the adapter by sliding the rotation portion 61 in the longitudinal direction of the rotation portion 61.

Referring to fig. 3, 4 and 5, the protruding holes 232 are provided in two, and the two protruding holes 232 are symmetrical about a median plane (the median plane in this embodiment means a plane passing through the axis of the rotating portion 61 and the axis of the control hole 51 at the same time). When the position of the projection 62 corresponds to the position of the protruding hole 232, the side of the projection 62 is tangent to the side of the control hole 51, and the elastic portion 42 is in a normal state at this time. At the moment, the unlocking piece 6 can be rotated by a user to immediately drive the lock cylinder 5 to move, so that the user can unlock the adapter conveniently. Moreover, the user can insert the unlocking member 6 into the control hole 51 from a plurality of positions, thereby further facilitating the insertion of the unlocking member 6 by the user.

Referring to fig. 3, 4 and 5, the rotation direction of the rotation portion 61 is defined as forward rotation when the protrusion 62 drives the lock cylinder 5 to move in the unlocking direction; the direction opposite to the forward rotation is defined as the reverse rotation. The side wall of the control hole 51 is provided with two limiting blocks 52, and the limiting blocks 52 are arranged corresponding to the protruding holes 232, in the embodiment, the two limiting blocks 52 form a semicircular arc structure and are integrally formed with the lock cylinder 5, so that the manufacturing and processing of the lock cylinder 5 are facilitated. After the unlocking piece 6 is inserted into the control hole 51, the side surface of the lug 62 is abutted against the limiting block 52, so that the unlocking piece 6 is prevented from rotating reversely. The rotation direction of unblanking is confirmed to the person of facilitating the use, further facilitates the user to separate adapter and USB female head 1.

Referring to fig. 1 and 3, a USB male connector 7 is disposed in the slot 22, and the USB male connector 7 and the female connector 4 have the same structure, which is not described again. One end of the elastic portion 42 of the USB male (not shown) clip is connected to the side wall of the slot 22. After the USB male connector of the external device is inserted into the slot 22, the USB male connector clamping piece 7 is integrally positioned outside the metal ring 11 of the USB male connector, and one side of the clamping part 41 of the USB male connector clamping piece 7 is inserted into the avoidance hole 31 on the USB male connector metal ring 11 from the outer side of the USB male connector metal ring 11, so that the USB male connector of the external device is fixed. The connector body 2 is provided with a second jack 24 at a position corresponding to the connecting plate 44 of the USB male connector clamping piece 7, and the second jack 24 has the same structure as the first jack 23 and is used for inserting the unlocking piece 6. After the unlocking piece 6 is inserted into the second jack 24, the unlocking piece 6 is located at one side of the connecting plate 44 of the USB male connector clamping piece 7, which is close to the USB male connector metal ring 11, the unlocking piece 6 is rotated, the protruding block 62 is abutted with the connecting plate 44 of the USB male connector clamping piece 7, and then the elastic part 42 of the USB male connector clamping piece 7 is driven to bend in a direction away from the USB male connector, so that the separation of the USB male connector and the adapter of the external device is realized.

The implementation principle of the USB adapter in the embodiment of the application is as follows: when in use, the position of the connecting ring 3 corresponds to the USB female head 1, and the adapter is moved towards the direction approaching the USB female head 1. During the movement of the adapter, the inclined surface 43 is first abutted against the metal ring 11 of the USB female connector 1, and the locking portion 41 automatically drops into the connecting ring 3 under the action of the inclined surface 43. After the position of the clamping portion 41 corresponds to the clamping hole 12 on the metal ring 11 of the USB female connector 1, the elastic portion 42 drives the clamping portion 41 to automatically insert into the clamping hole 12, so as to prevent the connection ring 3 from being separated from the USB female connector 1. Therefore, the loss of the adapter and the random access of others are reduced.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. The utility model provides a USB adapter, includes joint body (2), its characterized in that: still include go-between (3), go-between (3) are installed in joint body (2) one side, go-between (3) can insert in metal ring (11) of USB female head (1), slot (22) have still been seted up to joint body (2) side, in USB male head can insert slot (22), be provided with female first joint spare (4) on go-between (3), in joint hole (12) on metal ring (11) of female head (1) of female joint spare (4) can the joint.

2. A USB adapter according to claim 1, wherein: female first joint spare (4) include elasticity portion (42) and joint portion (41), joint portion (41) are located one side that connects body (2) to be close to go-between (3), elasticity portion (42) are located between joint portion (41) and joint body (2), elasticity portion (42) one end is connected the other end with joint portion (41) and is connected with joint body (2), after go-between (3) insert in USB female first (1) becket (11), the side that joint portion (41) are close to joint body (2) and side butt that joint hole (12) are close to joint body (2).

3. A USB adapter according to claim 2, wherein: the clamping portions (41) and the elastic portions (42) are arranged in a plurality along the circumferential direction of the connecting ring (3), and the clamping holes (12) are arranged in a plurality corresponding to the clamping portions (41).

4. A USB adapter according to claim 2 or 3, characterized in that: be provided with inclined plane (43) on joint portion (41), will go up connecting ring (3) insert in USB female head (1) becket (11), inclined plane (43) can with USB female head (1) becket (11) terminal surface butt, and drive joint portion (41) are to go up connecting ring (3) inside and remove.

5. The USB adapter of claim 4, wherein: the female joint part (4) further comprises a connecting plate (44) movably connected to the joint body (2), the connecting plate (44) is located between two adjacent elastic parts (42), and the connecting plate (44) is connected with the two elastic parts (42) at the same time.

6. A USB adapter according to claim 5, wherein: the connector is characterized in that a movable cavity (21) is formed in the connector body (2), a lock cylinder (5) is arranged in the movable cavity (21), the lock cylinder (5) is connected with a connecting plate (44), a first jack (23) communicated with the movable cavity (21) is formed in the connector body (2), an unlocking piece (6) is rotated in the first jack (23) and detachably connected with the unlocking piece, and the unlocking piece (6) can drive the connecting plate (44) to move in the direction away from the side wall of a metal ring (11) of the USB female connector (1).

7. The USB adapter of claim 6, wherein: unlocking piece (6) are including rotating portion (61) and lug (62), rotating portion (61) are cylindrical shaft-like structure, rotating portion (61) rotate and connect in first jack (23), lug (62) connect in rotating portion (61) side, be provided with lock core (5) on connecting plate (44), control hole (51) have been seted up on lock core (5), rotating portion (61) side and control hole (51) side butt, lug (62) are located control hole (51).

8. The USB adapter of claim 7, wherein: the first insertion hole (23) includes a rotation hole (231) for passing through the rotation portion (61) and a protruding hole (232) for passing through the protruding block (62).

9. The USB adapter of claim 8, wherein: the number of the protruding holes (232) is two around the axis of the rotating hole (231), the positions of the two protruding holes (232) are symmetrical with respect to the middle plane, and when the positions of the protruding blocks (62) correspond to the positions of the protruding holes (232), the side surfaces of the protruding blocks (62) are tangent to the side surfaces of the control holes (51).

10. The USB adapter of claim 7, wherein: a limiting block (52) is arranged in the control hole (51), and the limiting block (52) is abutted against the side face of the protruding block (62) and used for blocking the rotating part (61) from rotating reversely.