CN216751788U

CN216751788U - Network card with anti-theft function

Info

Publication number: CN216751788U
Application number: CN202220597154.3U
Authority: CN
Inventors: 白冰冰
Original assignee: Beijing Lanke Technology Co ltd
Current assignee: Beijing Lanke Technology Co ltd
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-06-14
Anticipated expiration: 2032-03-18

Abstract

The utility model belongs to the technical field of network cards, in particular to a network card with an anti-theft function, which aims at the problems that the existing network card is directly connected through a USB (universal serial bus), can be stolen and has no anti-theft function when being stolen, and the using function is single. The utility model is convenient to use, can play a role of anti-theft alarm, and can be detached by a user by pushing the handle.

Description

Network card with anti-theft function

Technical Field

The utility model relates to the technical field of network cards, in particular to a network card with an anti-theft function.

Background

The network card is a network component working at a link layer, is an interface for connecting a computer and a transmission medium in a local area network, not only can realize physical connection and electric signal matching with the transmission medium of the local area network, but also relates to functions of frame sending and receiving, frame packaging and unpacking, medium access control, data coding and decoding, data caching and the like, and is mostly a USB network card.

The existing network card is directly connected through a USB, and when the network card is stolen, the network card is directly pulled out, so that the network card can be stolen, and the network card does not have any anti-theft function and has a single use function.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that the existing network card is directly connected through a USB (universal serial bus), can be stolen by being directly pulled out when being stolen, has no anti-theft function and is single in use function, and provides the network card with the anti-theft function.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a network card with theftproof function, includes the network card body, is provided with two dustproof mechanisms, theftproof latch mechanism, manually-operated mechanism and alarm mechanism on the network card body, and the network card body includes the casing, is provided with the circuit board in the casing, is connected with USB and connects on the circuit board, USB connects and circuit board electric connection.

Preferably, dustproof mechanism includes the dust screen, and the dust screen inlays at the top of casing, and the connection piece is all installed to the both sides of dust screen, is connected with the screw between connection piece and the casing.

Preferably, theftproof latch mechanism includes two guide bars, the outside slidable mounting of two guide bars has same connecting plate, the spout has been opened to the front side of connecting plate, slidable mounting has the slide in the spout, two kellies are installed to the front side of slide, three hornblocks are all installed to the bottom of two kellies, the bottom that USB connects is seted up flutedly, kellies and recess swing joint, the front side of casing is opened and is equipped with two connecting holes, kellies and the connecting hole swing joint that corresponds, spacing piece is installed to the bottom of kellies, spacing piece is inconsistent with the outside of casing.

Preferably, the outside cover of guide bar is equipped with the spring, and the both ends of spring link to each other with connecting plate and guide bar respectively, install same pressure spring between slide and the spout.

Preferably, manual mechanism includes the rectangular hole, and the rectangular hole is seted up in the bottom of casing, and slidable mounting has the rectangular pole in the rectangular hole, and the handle is installed to the bottom of rectangular pole, and the outside of rectangular pole is rotated and is installed the down tube, and the down tube rotates with the bottom of connecting plate to be connected, installs the guide cylinder on the inner wall of casing, and slidable mounting has the guide arm in the guide cylinder, and the guide arm links to each other with the rectangular pole.

Preferably, the alarm mechanism comprises an insulating rod, the insulating rod is installed at the top of the sliding plate, a first conductive block is installed on the insulating rod, a second conductive block is installed on the inner wall of the shell, and a power supply and an alarm lamp are connected between the first conductive block and the second conductive block.

Compared with the prior art, the utility model has the advantages that:

according to the scheme, the USB connector is connected with a computer for use, the spring provides elasticity for the connecting plate, the clamping rods drive the three-angle block to move downwards and are clamped with an interface on the computer, when theft occurs, the USB connector is pulled outwards through the shell, the three-angle block prevents the USB connector from being separated from the computer interface, meanwhile, the three-angle block pulls the two clamping rods under stress, the two clamping rods pull the sliding plate to move, the sliding plate drives the first conducting block to be in contact with the second conducting block through the insulating rod, the alarm lamp is electrified, the alarm lamp flickers and sounds to give a rumble effect, and an anti-theft alarm effect can be achieved;

when a user dismantles the network card body, the handle pulls the rectangular rod to move, the rectangular rod pushes the connecting plate to move upwards through the inclined rod, the connecting plate drives the two clamping rods to move upwards through the sliding plate to enter the grooves, so that the triangular block is separated from the computer interface, and the shell is pulled again to separate the USB connector from the computer interface;

the anti-theft alarm handle is convenient to use, can play a role in anti-theft alarm, and can be detached by a user through pushing the handle.

Drawings

FIG. 1 is a schematic structural diagram of a network card with an anti-theft function according to the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of a portion A of FIG. 2 according to the present invention;

fig. 4 is a schematic perspective view of a USB connector according to the present invention;

fig. 5 is a schematic perspective view of the slide plate, the clamping rod, the triangular block and the insulating rod according to the present invention.

In the figure: 1. a network card body; 11. a housing; 110. connecting holes; 12. a USB connector; 121. a groove; 13. a circuit board; 2. a dust-proof mechanism; 21. a dust screen; 22. connecting sheets; 23. a screw; 3. an anti-theft clamping mechanism; 31. a clamping rod; 32. a triangular block; 33. a limiting sheet; 34. a connecting plate; 35. a chute; 36. a pressure spring; 37. a slide plate; 38. a guide bar; 39. a spring; 4. a manual mechanism; 41. a diagonal bar; 42. a rectangular hole; 43. a rectangular bar; 44. a handle; 45. a guide cylinder; 46. a guide bar; 5. an alarm mechanism; 51. a power source; 52. an insulating rod; 53. a first conductive block; 54. a second conductive block; 55. an alarm lamp.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Referring to fig. 1-5, a network card with an anti-theft function includes a network card body 1, two dustproof mechanisms 2, an anti-theft clamping mechanism 3, a manual mechanism 4 and an alarm mechanism 5 are arranged on the network card body 1, the network card body 1 includes a housing 11, a circuit board 13 is arranged in the housing 11, a USB connector 12 is connected to the circuit board 13, and the USB connector 12 is electrically connected to the circuit board 13.

In this embodiment, the dustproof mechanism 2 includes a dustproof net 21, the dustproof net 21 is embedded in the top of the housing 11, connecting pieces 22 are mounted on both sides of the dustproof net 21, and a screw 23 is connected between the connecting pieces 22 and the housing 11;

specifically, the dust screen 21 can prevent dust inside the housing 11 and can ventilate.

In this embodiment, the anti-theft clamping mechanism 3 includes two guide rods 38, the same connecting plate 34 is slidably mounted on the outer sides of the two guide rods 38, a sliding groove 35 is formed in the front side of the connecting plate 34, a sliding plate 37 is slidably mounted in the sliding groove 35, two clamping rods 31 are mounted on the front side of the sliding plate 37, triangular blocks 32 are mounted at the bottom ends of the two clamping rods 31, a groove 121 is formed in the bottom of the USB connector 12, the clamping rods 31 are movably connected with the groove 121, two connecting holes 110 are formed in the front side of the housing 11, the clamping rods 31 are movably connected with the corresponding connecting holes 110, a limiting piece 33 is mounted at the bottom of the clamping rods 31, the limiting piece 33 abuts against the outer side of the housing 11, a spring 39 is sleeved on the outer side of the guide rods 38, two ends of the spring 39 are respectively connected with the connecting plate 34 and the guide rods 38, and the same pressure spring 36 is mounted between the sliding plate 37 and the sliding groove 35;

specifically, the guide rod 38 is provided to vertically guide the connecting plate 34, the spring 39 is provided to provide downward elastic force to the connecting plate 34, the compression spring 36 is provided to provide elastic force to the sliding plate 37, so that the sliding plate 37 is reset, and the groove 121 accommodates the clamping rod 31.

In this embodiment, the manual mechanism 4 includes a rectangular hole 42, the rectangular hole 42 is opened at the bottom of the housing 11, a rectangular rod 43 is slidably installed in the rectangular hole 42, a handle 44 is installed at the bottom end of the rectangular rod 43, an inclined rod 41 is rotatably installed at the outer side of the rectangular rod 43, the inclined rod 41 is rotatably connected with the bottom of the connecting plate 34, a guide cylinder 45 is installed on the inner wall of the housing 11, a guide rod 46 is slidably installed in the guide cylinder 45, and the guide rod 46 is connected with the rectangular rod 43;

specifically, a guide rod 46 is arranged to slide in the guide cylinder 45, the guide rod 46 guides the rectangular rod 43, and the rectangular rod 43 pushes the connecting plate 34 to move vertically through the inclined rod 41.

In this embodiment, the alarm mechanism 5 includes an insulating rod 52, the insulating rod 52 is mounted on the top of the sliding plate 37, a first conductive block 53 is mounted on the insulating rod 52, a second conductive block 54 is mounted on the inner wall of the housing 11, and a power supply 51 and an alarm lamp 55 are connected between the first conductive block 53 and the second conductive block 54;

specifically, in the event of a theft, the first conductive block 53 contacts the second conductive block 54 to energize the warning lamp 55, and the warning lamp 55 blinks and sounds a rumble warning.

The working principle is that when the anti-theft alarm device is used, the USB connector 12 is connected with a computer for use, the spring 39 provides elastic force for the connecting plate 34, so that the clamping rod 31 drives the triangular block 32 to move downwards and be clamped with an interface on the computer, when theft occurs, the USB connector 12 is pulled outwards through the shell 11, the triangular block 32 blocks the USB connector 12 from being separated from the interface of the computer, meanwhile, the triangular block 32 is stressed to pull the two clamping rods 31, the two clamping rods 31 pull the sliding plate 37 to move, the sliding plate 37 drives the first conductive block 53 to be contacted with the second conductive block 54 through the insulating rod 52, the alarm lamp 55 is powered on, the alarm lamp 55 flickers and generates a rumbling effect, and an anti-theft alarm effect can be achieved;

when the user dismantles network card body 1, remove through handle 44 pulling rectangle pole 43, rectangle pole 43 promotes connecting plate 34 upward movement through down tube 41, connecting plate 34 passes through in slide 37 drives the recess 121 that two kellies 31 upward movement got into, make triangle piece 32 break away from with the computer interface, stimulate casing 11 once more, can break away from USB joint 12 and computer interface, all structures in this application all can carry out the selection of material and length according to the in-service use condition, the attached drawing is the schematic structure picture, concrete actual dimension can make appropriate adjustment.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. The utility model provides a network card with theftproof function, includes network card body (1), its characterized in that, be provided with two dustproof mechanism (2), theftproof clamping mechanism (3), manual mechanism (4) and alarm mechanism (5) on network card body (1), network card body (1) includes casing (11), is provided with circuit board (13) in casing (11), is connected with USB on circuit board (13) and connects (12), USB connects (12) and circuit board (13) electric connection.

2. The network card with the anti-theft function according to claim 1, wherein the dust-proof mechanism (2) comprises a dust-proof net (21), the dust-proof net (21) is embedded in the top of the shell (11), connecting pieces (22) are mounted on two sides of the dust-proof net (21), and screws (23) are connected between the connecting pieces (22) and the shell (11).

3. The network card with the anti-theft function according to claim 1, wherein the anti-theft clamping mechanism (3) comprises two guide rods (38), the same connecting plate (34) is slidably mounted on the outer sides of the two guide rods (38), a sliding groove (35) is formed in the front side of the connecting plate (34), a sliding plate (37) is slidably mounted in the sliding groove (35), two clamping rods (31) are mounted on the front side of the sliding plate (37), triangular blocks (32) are mounted at the bottom ends of the two clamping rods (31), a groove (121) is formed in the bottom of the USB connector (12), the clamping rods (31) are movably connected with the groove (121), two connecting holes (110) are formed in the front side of the shell (11), the clamping rods (31) are movably connected with the corresponding connecting holes (110), a limiting piece (33) is mounted at the bottom of the clamping rods (31), and the limiting piece (33) is abutted to the outer side of the shell (11).

4. The network card with the anti-theft function according to claim 3, characterized in that the outside of the guide rod (38) is sleeved with a spring (39), two ends of the spring (39) are respectively connected with the connecting plate (34) and the guide rod (38), and the same compression spring (36) is arranged between the sliding plate (37) and the sliding groove (35).

5. The network card with the anti-theft function according to claim 1, wherein the manual mechanism (4) comprises a rectangular hole (42), the rectangular hole (42) is formed in the bottom of the shell (11), a rectangular rod (43) is slidably mounted in the rectangular hole (42), a handle (44) is mounted at the bottom end of the rectangular rod (43), an inclined rod (41) is rotatably mounted on the outer side of the rectangular rod (43), and the inclined rod (41) is rotatably connected with the bottom of the connecting plate (34).

6. The network card with anti-theft function according to claim 5, characterized in that the inner wall of the housing (11) is provided with a guide cylinder (45), a guide rod (46) is slidably arranged in the guide cylinder (45), and the guide rod (46) is connected with the rectangular rod (43).

7. The network card with the anti-theft function according to claim 1, wherein the alarm mechanism (5) comprises an insulating rod (52), the insulating rod (52) is installed on the top of the sliding plate (37), a first conductive block (53) is installed on the insulating rod (52), a second conductive block (54) is installed on the inner wall of the shell (11), and a power supply (51) and an alarm lamp (55) are connected between the first conductive block (53) and the second conductive block (54).