CN114883857A - USB interface misplug prevention computer case - Google Patents

USB interface misplug prevention computer case Download PDF

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Publication number
CN114883857A
CN114883857A CN202210811504.6A CN202210811504A CN114883857A CN 114883857 A CN114883857 A CN 114883857A CN 202210811504 A CN202210811504 A CN 202210811504A CN 114883857 A CN114883857 A CN 114883857A
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CN
China
Prior art keywords
inner core
usb interface
usb
rotating inner
shell
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Granted
Application number
CN202210811504.6A
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Chinese (zh)
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CN114883857B (en
Inventor
董辉
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Weifang University
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Weifang University
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Priority to CN202210811504.6A priority Critical patent/CN114883857B/en
Publication of CN114883857A publication Critical patent/CN114883857A/en
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Publication of CN114883857B publication Critical patent/CN114883857B/en
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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 USB interfaces of computer cases, 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 USB interfaces of computer cases, 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 above, the prior art is obviously inconvenient and disadvantageous in practical use, and 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 for 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 USB interface can be ensured to be normally used, the rotation of the rotating inner core is controlled to rotate 180 degrees in a reciprocating mode, and the phenomenon that the terminal cannot be connected due to the fact that the rotating inner core rotates in a one-way mode all the time is avoided.
Drawings
FIG. 1 is a schematic internal perspective view of the present invention; FIG. 2 is a schematic perspective view of a USB connector assembly according to the present invention; FIG. 3 is a perspective view of the rotating 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 a sliding hole 412 corresponding to the telescopic post 49, two telescopic posts 49 are slidably connected inside the sliding hole 412, a thrust spring 40 is provided between the two telescopic posts 49, at most only one of the two telescopic posts 49 extends out of the sliding hole 412, so as to ensure that only one telescopic post 49 is partially matched with the corresponding guide groove 423 to rotate when the rotating core 41 retracts inside the housing 42, so as to realize the rotation of the rotating core 41 in the housing 42 by 180 ° in a reciprocating manner, and prevent the wire connection on the terminal 414 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, so as to prevent the telescopic post 49 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 for 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 part 491 is 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 posts 49 is rotated forward to a position adjacent to the baffle 424, the guide 491 of the telescopic column 49 is engaged with 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 housing 42, one of the telescopic posts 49 moves to the bottommost part of the reset groove 425, and then moves to the top of the reset groove 425 along the reset groove 425 under the action of the reset spring 5, and the telescopic post 49 is compressed to the inside of 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 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 vertically arranged with the sliding hole 412 is further arranged inside the rotating inner core 41, and the self-locking assembly locked by the rotating inner core 41 is arranged at the bottom of the inner side of the USB interface 411 after the plug-in unit is inserted into the USB interface 411, so that the retraction rotation of the rotating inner core 41 is prevented when the forward plugging is performed.
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 slidably connected to the inside of the matching hole 413, 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 action of downward sliding of the vertical rod 44, the vertical rod 44 retracts into the matching hole 413 under the action of upward sliding, the inner side of the outer shell 42 is provided with a clamping interface 422 correspondingly arranged with the clamping columns 46, the rotating inner core 41 moves to the foremost end of the outer shell 42 under the action of the return spring 5, the matching hole 413 and the clamping interface 422 are correspondingly matched, when the plug-in is inserted in the correct direction, the plug-in presses the vertical rod 44 to slide downwards, the clamping columns 46 are driven to slide out from the inside of the matching hole 413 and be inserted into the clamping interface 422, the locking of the rotating inner core 41 is completed, and the force generated when the plug-in of the plug-in is prevented from being large, the rotating inner core 41 retracts, the buffering head 441 is connected to the top of the vertical rod 44 in a sliding mode, the 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 inserted again, if the plug-in unit is in a reverse insertion state at this time, a guide groove 423 of the other telescopic column 49 rotates in a matching manner, the rotating and fixing inner core rotates in a reverse direction by 180 degrees to be inserted into the plug-in unit and then reset, when the plug-in unit is in a forward state during insertion, and the plug-in unit is inserted into a 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, so that the clamping column 46 is driven to extend out and be inserted into the inner part of the corresponding connectable port on the shell 42, and the rotating inner core 41 is locked at this time, so that the use of the USB interface 411 is prevented from being influenced due to the mistaken retraction of the rotating inner core 41 caused by large force during forward insertion.
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 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 USB interface structure has the advantages that the USB interface structure capable of automatically adjusting the positive direction and the negative direction is arranged, so that the USB interface structure can ensure that the USB interface structure can automatically rotate 180 degrees during plugging when manual plugging equipment is plugged to the USB interface, the direction of the plug is automatically rotated to adapt to the direction of the plug when the direction of the plug is reversed, manual alignment operation is reduced, and particularly, complicated operation when the direction of the plug is adjusted in a narrow space is reduced.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
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 (8)

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 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.
2. The computer case with the USB interface according to claim 1, wherein the rotating inner core has a sliding hole corresponding to the telescopic post, two telescopic posts are slidably connected inside the sliding hole, a thrust spring is disposed between the two telescopic posts, at most one of the two telescopic posts extends out of the sliding hole, and a side wall of the telescopic post is provided with a limiting flange for preventing the telescopic post from sliding.
3. The USB interface mistake-insertion-prevention computer case of claim 2, wherein a semi-cylindrical guide part is arranged at the front end of the telescopic column, a baffle plate for isolating the two guide grooves is arranged at the boundary of the guide grooves at the opposite sides of the reset groove, and 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; when the other telescopic column rotates to a position close to the baffle plate in the reverse direction, the guide part of the telescopic column is attached to the other side of the baffle plate.
4. The USB interface mistake proofing computer case of claim 3, wherein the bottom surface of the reset groove is a slope structure, when the rotating inner core is compressed to the bottom of the shell, one of the telescopic columns 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 slope 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.
5. The computer case with the USB interface according to any one of claims 2 to 4, wherein a matching hole perpendicular to the sliding hole is further formed in the inner portion of the rotating inner core, a self-locking assembly is arranged at the bottom of the inner side of the USB interface, and the self-locking assembly is used for locking the rotating inner core after a plug-in is inserted into the USB interface.
6. The USB interface error proofing computer case of claim 5, wherein 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.
7. The computer case with the USB interface being inserted in mistake proofing manner according to claim 6, wherein a card interface corresponding to the card 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 corresponds to the card interface.
8. The USB interface misplug-proof computer case of claim 6, 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)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202906171U (en) * 2012-10-25 2013-04-24 华尔达（厦门）塑胶有限公司 Telecommunication interface plug
US20140199867A1 (en) * 2011-09-16 2014-07-17 Dg International Holdings Limited Adaptor
CN107230920A (en) * 2017-05-19 2017-10-03 佛山标天下信息科技有限公司 The rotation apparatus of USB electric connectors
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
CN110690612A (en) * 2019-09-29 2020-01-14 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
CN114552317A (en) * 2022-04-26 2022-05-27 深圳市祥弘瑞科技有限公司 Split adapter

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140199867A1 (en) * 2011-09-16 2014-07-17 Dg International Holdings Limited Adaptor
CN202906171U (en) * 2012-10-25 2013-04-24 华尔达（厦门）塑胶有限公司 Telecommunication interface plug
CN107230920A (en) * 2017-05-19 2017-10-03 佛山标天下信息科技有限公司 The rotation apparatus of USB electric connectors
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
CN110690612A (en) * 2019-09-29 2020-01-14 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
CN114552317A (en) * 2022-04-26 2022-05-27 深圳市祥弘瑞科技有限公司 Split adapter

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