CN114883857B - USB interface misplug prevention computer case - Google Patents

USB interface misplug prevention computer case Download PDF

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Publication number
CN114883857B
CN114883857B CN202210811504.6A CN202210811504A CN114883857B CN 114883857 B CN114883857 B CN 114883857B CN 202210811504 A CN202210811504 A CN 202210811504A CN 114883857 B CN114883857 B CN 114883857B
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Prior art keywords
inner core
usb
usb interface
reset
telescopic
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CN202210811504.6A
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CN114883857A (en
Inventor
董辉
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Weifang University
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Weifang University
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/18—Packaging or power distribution
    • G06F1/183—Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/60—Means for supporting coupling part when not engaged
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/64—Means for preventing incorrect coupling
    • H01R13/645—Means for preventing incorrect coupling by exchangeable elements on case or base
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/06—Connectors or connections adapted for particular applications for computer periphery

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The invention is suitable for the technical field of a USB interface of a computer case, and provides a computer case with a USB interface for preventing wrong insertion, which comprises: the USB flash drive comprises a case, wherein a plurality of strip-shaped USB openings are formed in the case; the USB plug-in component is arranged corresponding to the USB opening and comprises a shell fixedly arranged on the inner side of the USB opening and a rotating inner core rotatably connected inside the shell, a reset spring is arranged between the tail of the rotating inner core and the bottom of the inner side of the shell, two guide grooves symmetrically arranged are arranged inside the shell, and a reset groove is arranged at the junction of the tail ends of the two guide grooves.

Description

USB interface misplug prevention computer case
Technical Field
The invention relates to the technical field of a USB interface of a computer case, in particular to a computer case with a USB interface capable of preventing wrong insertion.
Background
Along with the continuous development of science and technology, the computer has become one of the indispensable electronic product of people's life amusement and daily official working, all be equipped with the USB interface of rectangular shape on present computer machine case, external device's data can be transmitted to the computer through the USB interface, and when pegging graft equipment on the USB interface now, need artificial positive and negative to the USB interface to adjust, lead to when computer machine case is placed in narrower space like this, it is extremely inconvenient when pegging graft equipment and the USB interface behind the computer machine case, the USB interface can not automatically regulated positive and negative, be used for adapting to the grafting direction of equipment self.
In view of the foregoing, it is apparent that the prior art has inconvenience and disadvantages in practical use, and thus, needs to be improved.
Disclosure of Invention
In view of the above-mentioned drawbacks, an object of the present invention is to provide a USB interface misplug prevention computer case, which can ensure automatic rotation by 180 ° during plugging by a rotation inner core when manually plugging equipment is plugged into a USB interface by setting a USB interface structure that automatically adjusts a forward direction and a reverse direction, so as to realize automatic rotation to adapt to a direction of a plug when the direction of the plug is reversed, thereby reducing manual alignment operations, and particularly reducing complicated operations when the direction of the plug is adjusted during plugging in a narrow space.
In order to achieve the above object, the present invention provides a computer case with USB interface for preventing error insertion, comprising: the USB flash drive comprises a case, wherein a plurality of strip-shaped USB openings are formed in the case; the USB plug-in assembly is arranged corresponding to the USB opening and comprises a shell fixedly arranged on the inner side of the USB opening and a rotating inner core rotatably connected inside the shell, a reset spring is arranged between the tail of the rotating inner core and the bottom of the inner side of the shell, two guide grooves symmetrically arranged are arranged inside the shell, a reset groove is arranged at the junction of the tail ends of the two guide grooves, a telescopic column correspondingly arranged with the guide grooves is arranged on the outer wall of the rotating inner core in a sliding manner, a USB interface correspondingly arranged with the USB opening is arranged at the front end of the rotating inner core, the rotating inner core retracts into the shell when the direction of the plug-in piece is reversely inserted and completes 180-degree rotation under the action of the telescopic column and the guide grooves, then the plug-in piece is plugged onto the USB interface under the action of the reset spring, and then the USB interface is reset into the USB opening, when the rotating inner core is inserted reversely in the plug-in direction again, the rotating inner core completes reverse 180-degree rotation under the action of the telescopic column and the guide groove, then the USB interface is reset to the inside of the USB opening under the action of the reset spring, and when the rotating inner core is inserted in the plug-in direction, the rotating inner core does not retract towards the inside of the shell.
According to the computer case with the USB interface for preventing wrong insertion, sliding holes are formed in the rotating inner core and correspond to the telescopic columns, the two telescopic columns are connected to the inside of the sliding holes in a sliding mode, a thrust spring is arranged between the two telescopic columns, at most one of the two telescopic columns extends out of the sliding hole, and limiting convex edges for preventing the telescopic columns from sliding are arranged on the side walls of the telescopic columns.
According to the USB interface misplug-proof computer case, the front end of each telescopic column is provided with a semi-cylindrical guide part, the guide groove is provided with a baffle plate for separating the two guide grooves at the junction of the opposite sides of the reset groove, when one telescopic column rotates forwards to a position close to the baffle plate, the guide part of the telescopic column is attached to one side of the baffle plate, and when the other telescopic column rotates backwards to a position close to the baffle plate, the guide part of the telescopic column is attached to the other side of the baffle plate.
According to the USB interface misplug-proof computer case, the bottom surface of the reset groove is of an inclined plane structure, when the rotating inner core is compressed to the bottom of the shell, one telescopic column moves to the bottommost part of the reset groove, then under the action of the reset spring, the telescopic column moves to the top of the reset groove along the reset groove, then under the action of the inclined plane structure of the reset groove, the telescopic column is compressed to the inside of the sliding hole, and when the rotating inner core is reset, the other telescopic column extends to one side of the baffle under the action of the thrust spring.
According to the computer case with the USB interface for preventing wrong insertion, the matching hole perpendicular to the sliding hole is further formed in the rotating inner core, the self-locking assembly is arranged at the bottom of the inner side of the USB interface and used for locking the rotating inner core after the plug-in is inserted into the USB interface.
According to the computer case with the USB interface for preventing error insertion, the self-locking assembly comprises: the vertical rod is connected to the bottom of the inner side of the USB interface in a sliding mode, and a tension spring which pulls the vertical rod upwards is sleeved on the outer side of the vertical rod; two transition rods with one ends hinged to the bottoms of the vertical rods; sliding connection in two joint posts of the inside of mating holes, two the inboard of joint post articulates respectively in two the other end of excessive pole, two the joint post is in the mating holes is stretched out under the effect of montant gliding downwards the inside of mating holes is withdrawn under the effect of montant gliding upwards.
According to the computer case with the USB interface for preventing wrong insertion, the clamping interface corresponding to the clamping column is arranged on the inner side of the outer shell, and when the rotating inner core moves to the foremost end of the outer shell under the action of the return spring, the matching hole is matched with the clamping interface correspondingly.
According to the computer case with the USB interface capable of preventing wrong insertion, the top of the vertical rod is connected with the buffer head in a sliding mode, the buffer spring is arranged between the buffer head and the vertical rod, and the top of the buffer head extends out of the bottom of the inner side of the USB interface.
The invention provides a computer case with USB interface for preventing error insertion, comprising: the USB flash drive comprises a case, wherein a plurality of strip-shaped USB openings are formed in the case; the USB plug-in assembly is arranged corresponding to the USB opening and comprises a shell fixedly arranged on the inner side of the USB opening and a rotating inner core rotatably connected inside the shell, a reset spring is arranged between the tail of the rotating inner core and the bottom of the inner side of the shell to ensure that the rotating inner core retracted into the shell is reset, two guide grooves symmetrically arranged are arranged inside the shell, the two guide grooves respectively guide the rotating inner core when the rotating inner core is retracted into the shell to ensure that the rotating inner core can realize 180-degree reciprocating rotation, a reset groove is arranged at the junction of the tail ends of the two guide grooves, two telescopic columns can be conveniently controlled to alternately extend out to be matched with the guide grooves for guiding through the reset groove, telescopic columns correspondingly arranged with the guide grooves are arranged on the outer wall of the rotating inner core in a sliding manner, and a USB interface correspondingly arranged with the USB opening is arranged at the front end of the rotating inner core, the rotating inner core retracts into the shell when the direction of the plug-in is reversed and finishes 180-degree rotation under the action of the telescopic column and the guide groove, then the plug-in is plugged onto the USB interface under the action of the return spring, then the USB interface is reset into the USB opening, when the rotating inner core is inserted in the direction of the plug-in again, the rotating inner core finishes reverse 180-degree rotation under the action of the telescopic column and the guide groove, then the USB interface is reset into the USB opening under the action of the return spring, when the rotating inner core is inserted in the direction of the plug-in, the rotating inner core does not retract towards the inside of the shell, at the moment, the plug-in can be normally inserted into the inside of the USB interface, and when the plug-in is inserted into the inside of the USB interface, the plug-in compression buffer head triggers the self-locking assembly, the self-locking assembly is locked, and the rotating inner core is prevented from retracting into the inside of the shell under the stress, the automatic rotation plug has the advantages that the automatic rotation plug can automatically rotate for 180 degrees when the direction of the plug is reversed, the direction of the plug is automatically rotated to adapt to the direction of the plug, manual alignment operation is reduced, and particularly complicated operation when the direction of the plug is adjusted in a narrow space is reduced.
Drawings
FIG. 1 is a schematic internal perspective view of the present invention; FIG. 2 is a schematic perspective view of the USB connector assembly of the present invention; FIG. 3 is a perspective view of the rotary core of the present invention; FIG. 4 is a schematic view of a first cross-sectional perspective of the housing of the present invention; FIG. 5 is a schematic view of a second cross-sectional configuration of the housing of the present invention; FIG. 6 is a cross-sectional view of a USB plug assembly according to a first embodiment of the present invention; FIG. 7 is a schematic view of the cross-sectional structure B-B of FIG. 6; FIG. 8 is a cross-sectional view of a USB plug assembly according to a second embodiment of the present invention; FIG. 9 is a schematic view of the cross-sectional structure C-C of FIG. 8; FIG. 10 is an enlarged view of the portion A in FIG. 8; FIG. 11 is a perspective view of the telescopic column of the present invention; in the figure, 1-case, 2-USB opening, 3-power switch, 4-USB plug-in component, 40-thrust spring, 41-rotating inner core, 411-USB interface, 412-sliding hole, 413-matching hole, 414-binding post, 42-shell, 421-mounting plate, 422-clamping interface, 423-guiding groove, 424-baffle, 425-resetting groove, 426-flange, 43-tension spring, 44-vertical rod, 441-buffering head, 442-buffering spring, 45-transition rod, 46-clamping post, 49-telescopic post, 491-guiding part, 492-limiting convex edge and 5-resetting spring.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
Referring to fig. 1, 2 and 5, the invention provides a USB interface error-insertion-prevention computer case, which includes a case 1, a power switch 3 is arranged on the case 1, and a plurality of strip-shaped USB openings 2 are arranged on the case 1; the USB plug-in component 4 is arranged corresponding to the USB opening 2, the USB plug-in component 4 comprises a shell 42 fixedly arranged at the inner side of the USB opening 2 and a rotating inner core 41 rotatably connected with the inner side of the shell 42, a return spring 5 is arranged between the tail part of the rotating inner core 41 and a flange 426 at the bottom of the inner side of the outer shell 42, so that the rotating inner core 41 retracted into the outer shell 42 is ensured to be returned, the inside of the outer casing is provided with two symmetrically arranged guide grooves 423, when the rotating core 41 is retracted into the inside of the outer casing 42, the rotating inner core 41 is guided to ensure that the rotating inner core 41 can realize 180-degree reciprocating rotation, a reset groove 425 is arranged at the junction of the tail ends of the two guide grooves 423, the two telescopic columns 49 are controlled to alternately extend to be matched with the guide grooves 423 for guiding through the reset grooves 425, the outer wall of the rotating inner core 41 is slidably provided with a telescopic column 49 corresponding to the guide groove 423.
Referring to fig. 1, 3, 4, 5 and 11, preferably, the rotating core 41 of the present invention is provided with sliding holes 412 corresponding to the telescopic posts 49, two telescopic posts 49 are slidably connected inside the sliding holes 412, a thrust spring 40 is provided between the two telescopic posts 49, at most one of the two telescopic posts 49 extends out of the sliding hole 412, so that when the rotating core 41 retracts into the outer shell 42, only one telescopic post 49 is partially matched with the corresponding guide groove 423 to rotate, the rotating core 41 rotates 180 ° in a reciprocating manner inside the outer shell 42, the wire connection on the binding post 414 is prevented from being damaged due to the unidirectional rotation of the rotating core 41, the side wall of the telescopic post 49 is provided with a limiting convex edge 492 preventing the telescopic post 49 from sliding, the telescopic post 49 is prevented from rotating inside the sliding hole, the front end of the telescopic post 49 is provided with a semi-cylindrical guide 491, the baffle 424 separating the two guide grooves 423 is arranged at the junction of the guide grooves 423 at the opposite side of the reset groove 425, the semi-cylindrical guide portions 491 are arranged to ensure that the rotating inner core 41 can rotate 180 degrees, meanwhile, the two telescopic columns 49 can be matched with and blocked by two sides of the baffle 424, so that the phenomenon that the rotary inner core 41 rotates towards one direction due to dislocation of the telescopic columns 49 when the baffle 424 is not arranged is avoided, when one of the telescopic legs 49 is rotated in the forward direction to a position adjacent to the skirt 424, the guide 491 of the telescopic column 49 is attached to one side of the baffle 424, and when the other telescopic column 49 is rotated in the reverse direction to a position adjacent to the baffle 424, the guide portions 491 of the telescopic columns 49 are attached to the other side of the baffle 424, so that the two telescopic columns 49 are alternatively matched with different parts of the guide groove 423, the rotary inner core 41 rotates back and forth for 180 degrees, and the wire harness is prevented from being damaged due to the unidirectional rotation of the rotary inner core 41.
Referring to fig. 6, 7, 8, 9, 10 and 11, in addition, the bottom surface of the reset groove 425 of the present invention is a slope structure, when the rotating core 41 is compressed to the bottom of the outer shell 42, one of the telescopic columns 49 moves to the bottommost portion of the reset groove 425, then moves to the top of the reset groove 425 along the reset groove 425 under the action of the reset spring 5, and compresses the telescopic column 49 inside the sliding hole 412 under the action of the slope structure of the reset groove 425; when the rotating inner core 41 is reset, the other telescopic column 49 extends out of one side of the baffle 424 under the action of the thrust spring 40, so that the reverse rotation of the rotating inner core 41 can be realized when the next plug-in unit is plugged, the matching hole 413 which is perpendicular to the sliding hole 412 is further arranged in the rotating inner core 41, and a self-locking assembly which locks the rotating inner core 41 after the plug-in unit is inserted into the USB interface 411 is arranged at the bottom of the inner side of the USB interface 411 to prevent the rotating inner core 41 from retracting and rotating when the plug-in unit is plugged in the forward direction.
Referring to fig. 6 and 8, further, the self-locking assembly of the present invention includes: the vertical rod 44 is slidably connected to the bottom of the inner side of the USB interface 411, and a tension spring 43 for pulling the vertical rod 44 upwards is sleeved on the outer side of the vertical rod 44; two transition rods 45 hinged at one end to the bottom of the vertical rod 44, facilitating the return of the vertical rod 44 when the plug-in is extracted; the two clamping columns 46 are connected to the inside of the matching hole 413 in a sliding mode, the inner sides of the two clamping columns 46 are respectively hinged to the other ends of the two transition rods 45, the two clamping columns 46 extend out of the matching hole 413 under the effect of downward sliding of the vertical rod 44 and retract into the matching hole 413 under the effect of upward sliding of the vertical rod 44, the inner side of the outer shell 42 is provided with clamping ports 422 which are correspondingly arranged with the clamping columns 46, the rotating inner core 41 moves to the foremost end of the outer shell 42 under the effect of the return spring 5, the matching hole 413 and the clamping ports 422 are correspondingly matched, when the plug-in component is inserted in the correct direction, the plug-in component presses the vertical rod 44 to slide downwards to drive the clamping columns 46 to slide out of the inside of the matching hole 413 and be inserted into the clamping ports 422, locking of the rotating inner core 41 is completed, and the force generated when the plug-in component is prevented from being large, the rotating inner core 41 retracts, the top of the vertical rod 44 is slidably connected with a buffering head 441, a buffering spring 442 is arranged between the buffering head 441 and the vertical rod 44, the top of the buffering head 441 extends out of the bottom of the inner side of the USB interface 411, the situation that a plug-in cannot be inserted into the USB interface 411 when the rotating inner core 41 is reset by the reset spring 5 is avoided, and the reset effect of the rotating inner core 41 is optimized.
In this embodiment, referring to fig. 1, 6, 7, 8, 9, 10 and 11, in use, the whole USB plug-in assembly 4 is first installed on the corresponding position of the chassis 1 through the installation plate 421 provided on the housing 42, when the plug-in assembly is required to be plugged, the plug-in assembly is aligned with the USB port 411 on the USB opening 2, when the plug-in assembly is in the reverse plugging state, the rotary core 41 is retracted into the housing 42 under the action of manual pressing, and at the same time, the rotary core 41 is rotated 180 ° under the action of the guide slot 423 and one of the telescopic posts 49, and the USB port 411 is exactly corresponding to the plug-in assembly at this time, and under the action of the return spring 5, the rotary core 41 is returned to the outside of the housing 42, and at this time, the plug-in assembly is exactly inserted into the USB port 411, the effect of automatically adjusting the direction of the USB port 411 is completed, and at this time, the other telescopic post 49 is in the state of being correspondingly matched with the baffle 424, when the plug-in unit is plugged again, if the plug-in unit is in a reverse plugging state, the guide groove 423 of the other telescopic column 49 rotates in a matching manner, the rotating inner core rotates in a reverse direction by 180 degrees to be plugged with the plug-in unit and then reset, when the plug-in unit is in a forward state during plugging and is inserted into the part inside the USB interface 411, the buffer head 441 inside the USB interface 411 is touched, the buffer head 441 touches and presses the vertical rod 44 to slide, the vertical rod 44 moves the two transition rods 45 to drive the clamping column 46 to extend and be inserted into the correspondingly arranged inside of the connectable port on the shell 42, and the rotating inner core 41 is locked at the moment, so that the situation that the use of the USB interface 411 is influenced due to the mistaken retraction of the rotating inner core 41 caused by large force during forward plugging is prevented.
In summary, the present invention provides a computer case with USB interface for preventing error insertion, including: the USB flash drive comprises a case, wherein a plurality of strip-shaped USB openings are formed in the case; the USB plug-in assembly is arranged corresponding to the USB opening and comprises a shell fixedly arranged on the inner side of the USB opening and a rotating inner core rotatably connected inside the shell, a reset spring is arranged between the tail of the rotating inner core and the bottom of the inner side of the shell to ensure that the rotating inner core retracted into the shell is reset, two guide grooves symmetrically arranged are arranged inside the shell, the two guide grooves respectively guide the rotating inner core when the rotating inner core is retracted into the shell to ensure that the rotating inner core can realize 180-degree reciprocating rotation, a reset groove is arranged at the junction of the tail ends of the two guide grooves, two telescopic columns can be conveniently controlled to alternately extend out to be matched with the guide grooves for guiding through the reset groove, telescopic columns correspondingly arranged with the guide grooves are arranged on the outer wall of the rotating inner core in a sliding manner, and a USB interface correspondingly arranged with the USB opening is arranged at the front end of the rotating inner core, the rotating inner core retracts into the shell when being inserted reversely in the direction of the plug-in unit and completes 180-degree rotation under the action of the telescopic column and the guide groove, then the plug-in unit is inserted into the USB interface under the action of the reset spring, then the USB interface is reset into the USB opening, when the rotating inner core is inserted reversely again in the direction of the plug-in unit, the rotating inner core completes reverse 180-degree rotation under the action of the telescopic column and the guide groove, then the USB interface is reset into the USB opening under the action of the reset spring, when the rotating inner core is inserted in the forward direction of the plug-in unit, the rotating inner core does not retract towards the inside of the shell, at the moment, the plug-in unit can be normally inserted into the inside of the USB interface, and when the plug-in unit is inserted into the inside of the USB interface, the plug-in unit compression buffer head triggers the self-locking assembly, the self-locking assembly is locked, and the rotating inner core is prevented from retracting into the inside of the shell under the stress, the USB interface can be ensured to be normally used, the rotation of the inner core in a reciprocating way by 180 degrees can be realized by controlling the inner core to rotate, and the phenomenon that the wiring terminal can not be connected due to the fact that the inner core rotates in a unidirectional way all the time is prevented.
The present invention is capable of other embodiments, and various changes and modifications can be made by one skilled in the art without departing from the spirit and scope of the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

Claims (3)

1. The utility model provides a USB interface mistake proofing computer machine case which characterized in that includes:
the USB flash disk comprises a case, wherein a plurality of USB openings are formed in the case;
the USB plug-in component is arranged corresponding to the USB opening and comprises a shell fixedly arranged on the inner side of the USB opening and a rotating inner core rotatably connected inside the shell, a reset spring is arranged between the tail of the rotating inner core and the bottom of the inner side of the shell, two guide grooves symmetrically arranged are arranged inside the shell, a reset groove is arranged at the junction of the tail ends of the two guide grooves, a telescopic column correspondingly arranged with the guide grooves is arranged on the outer wall of the rotating inner core in a sliding manner, a USB interface correspondingly arranged with the USB opening is arranged at the front end of the rotating inner core, the rotating inner core retracts into the shell when the direction of the plug-in component is reversely inserted and completes 180-degree rotation under the action of the telescopic column and the guide grooves, then the plug-in component is plugged onto the USB interface under the action of the reset spring, and the USB interface is reset into the USB opening, when the rotary inner core is inserted reversely again in the plug-in direction, the rotary inner core completes reverse 180-degree rotation under the action of the telescopic columns and the guide grooves, then the USB interface is reset into the USB opening under the action of the reset spring, when the rotary inner core is inserted in the plug-in direction, the rotary inner core does not retract towards the inside of the shell, the rotary inner core is provided with sliding holes corresponding to the telescopic columns, the two telescopic columns are slidably connected into the sliding holes, a thrust spring is arranged between the two telescopic columns, at most one of the two telescopic columns extends out of the sliding hole, the side wall of each telescopic column is provided with a limiting convex edge for preventing the telescopic columns from sliding, the front end of each telescopic column is provided with a semi-cylindrical guide part, and a baffle for isolating the two guide grooves is arranged at the junction of the guide grooves on the opposite side of the reset grooves, when one of the telescopic columns rotates forwards to a position close to the baffle plate, the guide part of the telescopic column is attached to one side of the baffle plate; when the other telescopic column rotates reversely to a position close to the baffle, the guide part of the telescopic column is attached to the other side of the baffle, a matching hole perpendicular to the sliding hole is further formed in the rotating inner core, a self-locking assembly is arranged at the bottom of the inner side of the USB interface and used for locking the rotating inner core after the plug-in is inserted into the USB interface;
the self-locking assembly comprises: the vertical rod is connected to the bottom of the inner side of the USB interface in a sliding mode, and a tension spring which pulls the vertical rod upwards is sleeved on the outer side of the vertical rod; two transition rods with one ends hinged to the bottoms of the vertical rods; sliding connection in two joint posts of the inside of mating holes, two the inboard of joint post articulates respectively in two the other end of excessive pole, two the joint post is in the mating holes is stretched out under the gliding effect of montant lapse the inside of retracting to the mating holes under the gliding effect of montant rebound, the inboard of shell be equipped with the joint post corresponds the joint mouth that sets up, it is in to rotate the inner core the effect of reset spring down motion extremely during the foremost end of shell, mating holes and joint mouth correspond.
2. The computer case with the USB interface according to claim 1, wherein the bottom surface of the reset groove is a slope structure, when the rotating core is compressed to the bottom of the housing, one of the telescopic posts moves to the bottom of the reset groove, then under the action of the reset spring, the telescopic post moves to the top of the reset groove along the reset groove, then under the action of the slope structure of the reset groove, the telescopic post is compressed to the inside of the sliding hole, and when the rotating core is reset, the other telescopic post extends to one side of the baffle under the action of the thrust spring.
3. The USB interface misplug-proof computer case of claim 1, wherein a buffer head is slidably connected to the top of the vertical rod, a buffer spring is arranged between the buffer head and the vertical rod, and the top of the buffer head extends out of the bottom of the inner side of the USB interface.
CN202210811504.6A 2022-07-12 2022-07-12 USB interface misplug prevention computer case Active CN114883857B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210811504.6A CN114883857B (en) 2022-07-12 2022-07-12 USB interface misplug prevention computer case

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Application Number Priority Date Filing Date Title
CN202210811504.6A CN114883857B (en) 2022-07-12 2022-07-12 USB interface misplug prevention computer case

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Publication Number Publication Date
CN114883857A CN114883857A (en) 2022-08-09
CN114883857B true CN114883857B (en) 2022-09-23

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GB2494705B (en) * 2011-09-16 2013-09-11 Dg Int Holdings Ltd An adaptor for adapting a mains plug and a mains cable featuring an adaptor mechanism
CN202906171U (en) * 2012-10-25 2013-04-24 华尔达（厦门）塑胶有限公司 Telecommunication interface plug
CN107230920B (en) * 2017-05-19 2019-05-24 深圳市华旺精密电子有限公司 The rotation apparatus of USB electric connector
CN208903199U (en) * 2018-12-11 2019-05-24 湖南工艺美术职业学院 A kind of computer casing
CN209730374U (en) * 2018-12-25 2019-12-03 深圳造物部落科技有限公司 A kind of flexible table top electrical power connection block
CN110690612B (en) * 2019-09-29 2021-04-20 深圳市长盈精密技术股份有限公司 Misplug-proof electric connector assembly
CN215070658U (en) * 2021-05-11 2021-12-07 和锲电子(昆山)有限公司 USB electric connector with rotation function
CN114552317B (en) * 2022-04-26 2022-07-22 深圳市祥弘瑞科技有限公司 Split type adapter

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