CN209434488U - A kind of computer usb expansion device - Google Patents

Abstract

The utility model discloses a kind of computer usb expansion devices, including expanding unit ontology and the second fixed plate, the expanding unit ontology is connected with each other by data line and USB plug, the inside of the fixed link, which is run through, motion bar, second gag lever post is located at the inside of limiting slot, and limiting slot is opened in the inside of third fixed plate, the avris of the motion bar is fixed with clamping plate, the USB interface is between dust cover, the inside of the dust cover, which is run through, the first gag lever post, and first the both ends of gag lever post pass through the outer wall of the first fixed plate and expanding unit ontology and be connected with each other, second fixed plate is fixed on the outer wall of expanding unit ontology.The computer usb expansion device, it is capable of fixing the outer wall in different size of main frame, to improve the adaptability of the expanding unit ontology, and it can be avoided the inside that extraneous dust enters USB interface, so as to promote the service life of the expanding unit ontology.

Description

A kind of computer usb expansion device

Technical field

The utility model relates to field of computer technology, specially a kind of computer usb expansion device.

Background technique

Computer is a kind of device that can transmit data, and the USB interface on main frame is and the external world The major part of equipment connection, computer usb expansion device is can be extended to the less USB interface on computer more It is a, so as to avoid main frame because of the less phenomenon inconvenient to use of USB interface.

However existing computer usb expansion device, the connection between most of inconveniences and main frames are counted simultaneously It is easily accessible dust at USB interface on calculation machine usb expansion device, to be easy to cause the damage of computer usb expansion device. In view of the above-mentioned problems, being badly in need of carrying out innovative design on the basis of original computer usb expansion device.

Summary of the invention

The purpose of this utility model is to provide a kind of computer usb expansion devices, are proposed with solving above-mentioned background technique Existing computer usb expansion device, the connection between most of inconveniences and main frames, simultaneous computer usb expansion It is easily accessible dust at USB interface on device, thus the problem of being easy to cause the damage of computer usb expansion device.

To achieve the above object, the utility model provides the following technical solutions: a kind of computer usb expansion device, including Expanding unit ontology and the second fixed plate, the expanding unit ontology are connected with each other by data line and USB plug, and extend dress Set and be provided with USB interface on ontology, and be connected with the end of fixed link at the top of expanding unit ontology, the fixed link it is interior Portion, which is run through, motion bar, and is connected with each other between motion bar by control-rod, and the outer wall of control-rod is fixed with the second limit Bar, second gag lever post is located at the inside of limiting slot, and limiting slot is opened in the inside of third fixed plate, and third is fixed The bottom of plate is set to the top of expanding unit ontology, and the avris of the motion bar is fixed with clamping plate, and the inside of clamping plate is laid with There is gasket, the USB interface is provided with sponge between dust cover on dust cover, the inside of the dust cover, which is run through, to be had First gag lever post, and the both ends of the first gag lever post pass through the first fixed plate and the outer wall of expanding unit ontology is connected with each other, institute The outer wall that the second fixed plate is fixed on expanding unit ontology is stated, and is mutually interconnected by shaft with dust cover between the second fixed plate It connects, and the end of shaft is connected with handle.

Preferably, the motion bar is designed as rectangular parallelepiped structure, and the outer wall of motion bar and the inner wall of fixed link mutually paste It closes, and motion bar is symmetrical arranged about the central axis of expanding unit ontology.

Preferably, the shape of threads at the control-rod both ends is contrary, and the both ends of control-rod and the inner wall of motion bar are It is threadedly coupled.

Preferably, the dust cover is symmetrical arranged about the central axis of USB interface, and the bottom of dust cover and extension fill The outer wall for setting ontology is bonded to each other.

Preferably, the shape of threads of the both ends of the shaft is contrary, and shaft is threadedly coupled with dust cover, and dust-proof Cover constitutes slide construction with the first gag lever post.

Preferably, second gag lever post is symmetrical arranged about the central axis of control-rod, and the second gag lever post and limit The rotational structure of slot composition clamp-close type.

Compared with prior art, the utility model has the beneficial effects that the computer usb expansion device, is capable of fixing The outer wall of different size of main frame to improve the adaptability of the expanding unit ontology, and can be avoided the external world Dust enters the inside of USB interface, so as to promote the service life of the expanding unit ontology；

1, movement close to each other can be done or be located remotely from each other fortune by rotating forward 2 clamping plates when perhaps inverting control-rod manually It is dynamic, to ensure that the expanding unit ontology is capable of fixing on different size of host, and then improve the expanding unit sheet The practicability of body；

2, when rotating forward handle, 2 dust covers can do movement close to each other, and the sponge on dust cover is deformed, So as to avoid extraneous dust enter the inside of dust cover, and then avoid extraneous dust and enter USB interface Inside is effectively reduced the probability of expanding unit ontology damage.

Detailed description of the invention

Fig. 1 is that the utility model faces schematic diagram of internal structure；

Fig. 2 is that the utility model faces external structure schematic diagram；

Fig. 3 is the utility model overlooking structure diagram；

Fig. 4 is the utility model motion bar mounting structure schematic diagram；

Fig. 5 is enlarged structure schematic diagram at A in the utility model Fig. 1；

Fig. 6 is the second gag lever post of the utility model mounting structure schematic diagram.

In figure: 1, expanding unit ontology；2, data line；3, USB plug；4, USB interface；5, fixed link；6, motion bar；7, Control-rod；8, clamping plate；9, gasket；10, dust cover；11, sponge；12, the first gag lever post；13, the first fixed plate；14, shaft； 15, the second fixed plate；16, handle；17, third fixed plate；18, the second gag lever post；19, limiting slot.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-6 is please referred to, the utility model provides a kind of technical solution: a kind of computer usb expansion device, including extension It is device noumenon 1, data line 2, USB plug 3, USB interface 4, fixed link 5, motion bar 6, control-rod 7, clamping plate 8, gasket 9, dust-proof Cover 10, sponge 11, the first gag lever post 12, the first fixed plate 13, shaft 14, the second fixed plate 15, handle 16, third fixed plate 17, the second gag lever post 18 and limiting slot 19, expanding unit ontology 1 are connected with each other by data line 2 and USB plug 3, and extend dress It sets and is provided with USB interface 4 on ontology 1, and the top of expanding unit ontology 1 is connected with the end of fixed link 5, fixed link 5 Inside is connected with each other through there is motion bar 6, and between motion bar 6 by control-rod 7, and the outer wall of control-rod 7 is fixed with the Two gag lever posts 18, the second gag lever post 18 is located at the inside of limiting slot 19, and limiting slot 19 is opened in the inside of third fixed plate 17, And the bottom of third fixed plate 17 is set to the top of expanding unit ontology 1, and the avris of motion bar 6 is fixed with clamping plate 8, and presss from both sides The inside of plate 8 is equipped with gasket 9, and USB interface 4 is provided with sponge 11, dust cover between dust cover 10 on dust cover 10 10 inside, which is run through, the first gag lever post 12, and the both ends of the first gag lever post 12 pass through the first fixed plate 13 and expanding unit sheet The outer wall of body 1 is connected with each other, and the second fixed plate 15 is fixed on the outer wall of expanding unit ontology 1, and is led between the second fixed plate 15 It crosses shaft 14 and dust cover 10 is connected with each other, and the end of shaft 14 is connected with handle 16；

Motion bar 6 is designed as rectangular parallelepiped structure, and the outer wall of motion bar 6 and the inner wall of fixed link 5 are bonded to each other, and living Lever 6 about expanding unit ontology 1 central axis be symmetrical arranged, ensure that motion bar 6 when being moved in fixed link 5, Motion bar 6 will not rotate；

The shape of threads at 7 both ends of control-rod is contrary, and the both ends of control-rod 7 are to be threadedly coupled with the inner wall of motion bar 6, It ensure that 2 motion bars 6 at 7 both ends of control-rod can be located remotely from each other movement or do mutually when rotating and reverse control-rod 7 Close to movement, consequently facilitating expanding unit ontology 1 is mounted on the outer wall of main frame；

Dust cover 10 is symmetrical arranged about the central axis of USB interface 4, and the bottom of dust cover 10 and expanding unit ontology 1 outer wall is bonded to each other, and when dust cover 10 contacts with each other, the sponge 11 on dust cover 10 can be deformed, so as to avoid the external world Dust enter the inside of USB interface 4；

The shape of threads at 14 both ends of shaft is contrary, and shaft 14 is threadedly coupled with dust cover 10, and dust cover 10 Slide construction is constituted with the first gag lever post 12, when guaranteeing to rotate forward or invert shaft 14,2 dust covers 10 can be located remotely from each other Movement close to each other is moved or does, consequently facilitating the use of USB interface 4, while having the function of dust-proof；

Second gag lever post 18 is symmetrical arranged about the central axis of control-rod 7, and the second gag lever post 18 and 19 structure of limiting slot At the rotational structure of clamp-close type, it ensure that control-rod 7 is able to carry out rotation, while not will do it the movement of position.

Working principle: when using the computer usb expansion device, according to Fig. 1-6, rotating forward the middle part of control-rod 7 first, Then the second gag lever post 18 on control-rod 7 ensure that the shifting of position will not occur for control-rod 7 in the internal rotating of limiting slot 19 Dynamic, since the shape of threads at 7 both ends of control-rod is contrary, and the both ends of control-rod 7 are to be threadedly coupled with the inner wall of motion bar 6, Therefore 2 motion bars 6 are located remotely from each other movement, until the length between clamping plate 8 is greater than the length of main frame, then will expand Extending apparatus ontology 1 leans against the outer wall of main frame, then inverts the middle part of control-rod 7, ibid described in principle, 2 motion bars 6 Do it is close to each other do exercises, while 2 motion bars 6 drive 2 clamping plates 8 do it is close to each other do exercises, until on clamping plate 8 Gasket 9 and the outer wall of host fit closely, so that expanding unit ontology 1 is fixed on the outer wall of host；

According to Fig. 1-3, USB plug 3 is then inserted into the interface of host, 4 energy of USB interface on expanding unit ontology 1 It enough while using, so that computer USB is extended, the end of extraneous transmission line is then inserted into USB interface 4 Inside then rotates forward handle 16, drives shaft 14 to be rotated followed by handle 16, due to the shape of threads direction at 14 both ends of shaft On the contrary, and shaft 14 is to be threadedly coupled, therefore 2 dust covers 10 are done mutually under the limit of the first gag lever post 12 with dust cover 10 Close to movement, so that dust cover 10 covers USB interface 4, while the sponge 11 between dust cover 10 avoids extraneous transmission Line is pressed from both sides bad phenomenon, while will not interfere dust-proof effect.

Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all It is included within the scope of protection of this utility model.

Claims (6)

1. a kind of computer usb expansion device, including expanding unit ontology (1) and the second fixed plate (15), it is characterised in that: institute It states expanding unit ontology (1) to be connected with each other by data line (2) and USB plug (3), and is provided on expanding unit ontology (1) USB interface (4), and the end of fixed link (5) is connected at the top of expanding unit ontology (1), the inside of the fixed link (5) It is connected with each other through having motion bar (6), and between motion bar (6) by control-rod (7), and the outer wall of control-rod (7) is fixed Have the second gag lever post (18), second gag lever post (18) is located at the inside of limiting slot (19), and limiting slot (19) is opened in The inside of three fixed plates (17), and the bottom of third fixed plate (17) is set to the top of expanding unit ontology (1), the work The avris of lever (6) is fixed with clamping plate (8), and gasket (9) are equipped on the inside of clamping plate (8), and the USB interface (4) is located at anti- Between dust hood (10), and sponge (11) are provided on dust cover (10), the inside of the dust cover (10), which is run through, the first limit Bar (12), and the both ends of the first gag lever post (12) pass through the first fixed plate (13) and the outer wall of expanding unit ontology (1) is mutual Connection, second fixed plate (15) are fixed on the outer wall of expanding unit ontology (1), and by turning between the second fixed plate (15) Axis (14) and dust cover (10) are connected with each other, and the end of shaft (14) is connected with handle (16).

2. a kind of computer usb expansion device according to claim 1, it is characterised in that: the motion bar (6) is designed as Rectangular parallelepiped structure, and the outer wall of motion bar (6) and the inner wall of fixed link (5) are bonded to each other, and motion bar (6) is filled about extension The central axis for setting ontology (1) is symmetrical arranged.

3. a kind of computer usb expansion device according to claim 1, it is characterised in that: control-rod (7) both ends Shape of threads is contrary, and the both ends of control-rod (7) are to be threadedly coupled with the inner wall of motion bar (6).

4. a kind of computer usb expansion device according to claim 1, it is characterised in that: the dust cover (10) about The central axis of USB interface (4) is symmetrical arranged, and the bottom of dust cover (10) and the outer wall of expanding unit ontology (1) mutually paste It closes.

5. a kind of computer usb expansion device according to claim 1, it is characterised in that: shaft (14) both ends Shape of threads is contrary, and shaft (14) is threadedly coupled with dust cover (10), and dust cover (10) and the first gag lever post (12) slide construction is constituted.

6. a kind of computer usb expansion device according to claim 1, it is characterised in that: second gag lever post (18) Central axis about control-rod (7) is symmetrical arranged, and the second gag lever post (18) and limiting slot (19) constitute the rotation of clamp-close type Structure.