CN110399752A - A kind of teaching computer network security control device - Google Patents
A kind of teaching computer network security control device Download PDFInfo
- Publication number
- CN110399752A CN110399752A CN201910732175.4A CN201910732175A CN110399752A CN 110399752 A CN110399752 A CN 110399752A CN 201910732175 A CN201910732175 A CN 201910732175A CN 110399752 A CN110399752 A CN 110399752A
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- network security
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- 230000005540 biological transmission Effects 0.000 claims abstract description 78
- 230000003028 elevating effect Effects 0.000 claims abstract description 22
- 230000001012 protector Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 230000008450 motivation Effects 0.000 claims description 2
- 238000005194 fractionation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
- G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/82—Protecting input, output or interconnection devices
- G06F21/85—Protecting input, output or interconnection devices interconnection devices, e.g. bus-connected or in-line devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Software Systems (AREA)
- Computer Security & Cryptography (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Toys (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention discloses a kind of teaching computer network security control devices, belong to teaching computer network security control device field.A kind of teaching computer network security control device, it is provided with transmission mechanism when in use, display rotating mechanism rotation is driven by transmission mechanism, so as to driving display screen turn to suitable angle carry out using, and it is additionally provided with control mechanism, connector with movable is driven to match with mobile connection slot by control mechanism, to make device that network can be used, when receiving Dangerous Internet, control mechanism, which can be directly initiated, drives connector with movable mutually to separate with mobile connection slot, to make computer disconnect network connection, protect the network security of computer, the device also sets up microphone elevating mechanism, the operating of microphone elevating mechanism is driven by control mechanism, it can change the height of microphone, practitioner is facilitated to use the device, the device uses simple, it is used suitable for teaching.
Description
Technical field
The present invention relates to teaching computer network security control device fields more particularly to a kind of teaching to use computer network
Network safety control.
Background technique
Computer is big with its information storage and information processing rate is fast, is governability, science and technology research and development, army building
And the wing of rapid development has been plugged in enterprise development, and a large amount of Company Confidential, including business secret, technology machine are store in computer
Close, decision-making management is secret etc., the safety of computerized information be for company it is particularly important, therefore, concerning security matters unit meeting
It takes several steps to take precautions against the stolen risk of computerized information, the means of the outer thief of the prevention mostly used greatly are to install to supervise in company
Equipment, warning device etc. are controlled, is that computer is not provided with pair for the conventional means that prevention intra-company personnel steal information data
Outer coffret, but more and more information are, when in order to the surf the Internet data of protection computer stolen in people's online
Safety, some clients are using installation software firewall, but software firewall is mounted on application layer, soft in program operation
Part firewall just starts, and it is a kind of pseudo- protection that the effect to the protection of computer, which is little, and computer is a open
Information storage and intercommunion platform, internal information are extremely easy to pass through USB, floppy drive, CD-ROM drive, serial ports, parallel port, infrared, 1394 interfaces
And network illegally copies out, especially by large capacity disk cartridge, or even can copy completely entire LAN Information
Shellfish walks.
A kind of existing teaching computer network security control device quick start and can not be disconnected and can not be adjusted
Problem.
Summary of the invention
The purpose of the present invention is to solve quick start and can not disconnecting and the problem of can not adjust, and the one kind proposed
Teaching computer network security control device.
To achieve the goals above, present invention employs following technical solutions:
A kind of teaching computer network security control device, including support housing and protection shell, the support housing upper end
It is fixedly connected in the middle part of protection shell lower surface,
Transmission mechanism, the transmission mechanism are placed in protection interior of shell, and the transmission mechanism and display rotating mechanism and control
Mechanism connection processed；
Show that rotating mechanism, the display rotating mechanism are placed in protection interior of shell, and the display rotating mechanism and transmission
Mechanism connection；
Control mechanism, the control mechanism are placed in protection interior of shell, and the control mechanism is connect with microphone elevating mechanism；
Microphone elevating mechanism, the microphone elevating mechanism are placed in protection interior of shell, and the microphone elevating mechanism and control
Mechanism connection.
Preferably, the transmission mechanism includes: left motor, right motor, left-hand rotation moving gear, right-hand rotation moving gear, Left Drive tooth
Wheel, right transmission gear, drum frame, position limited gear and support column, the protection interior of shell left and right sides are fixedly installed with left electricity
Upper end of support column, the left electric machine main shaft front end are actively socketed in the middle part of machine and right motor, the left motor and right electric machine main shaft
It is fixedly connected with left-hand rotation moving gear axle center, engages connection on rear side of the inner side of left-hand rotation moving gear and Left Drive gear, it is described
Right electric machine main shaft front end is fixedly connected with right-hand rotation moving gear axle center, on rear side of the inner side of right-hand rotation moving gear and right transmission gear
It is flexibly connected at left and right sides of engagement connection, the Left Drive gear and right transmission gear axle center and drum frame front end, the drum
Left and right ends are fixedly connected with the inner side of upper end of support column on rear side of frame, on front side of the Left Drive gear and right transmission gear and are limited
Position gear engagement connection, the right transmission gear are fixedly connected with display control mechanism, and the position limited gear and control mechanism connect
It connects.
Preferably, the display control mechanism includes: limit shaft, display screen and rotation slot, the protection upper surface of outer cover
Right side is provided with rotation slot, and the rotation slot is internally provided with display screen, and the display screen rear end is fixedly connected with limit shaft, institute
It states and is fixedly connected on the right side of limit shaft left end and right transmission gear.
Preferably, the control mechanism include: rotation axis, support plate, rotary cylinder, rotate gear, rotating wheel, shifting axle,
Connector with movable, mobile connection slot, host, movable block and support rod, the position limited gear axle center and the fixed company of rotation shaft rear end
It connects, pivot bush unit is actively socketed on support plate upper end in the middle part of the rotation axis with inside post upper on rear side of the rotation axis
Middle part, the rotation axis front side are successively fixedly connected with rotary cylinder and rotate gear axle center, on the downside of the rotate gear and rotate
The engagement connection of wheel upside, the rotating wheel axle center is flexibly connected with shifting axle, the shifting axle side and movable block axle center rearward
It is flexibly connected, is threadedly coupled on the upside of the movable block with rotary cylinder, is actively socketed on rear side of the shifting axle in the middle part of support plate, institute
It states and is fixedly connected on front side of shifting axle with connector with movable, the connector with movable matches with mobile connection slot, outside the protection
Shell is internally provided with mobile connection slot, is fixedly installed with host inside the support housing.
Preferably, the microphone elevating mechanism includes: transmission shaft, transmission gear, rotation helical gear, transmission helical gear, silk
Bar, elevator, connecting rod and microphone, the rotating wheel downside engage connection, the transmission gear axle center and biography with transmission gear
It is fixedly connected on front side of moving axis, the transmission shaft back end activity socket is internal at that low end of the support plate, the transmission shaft front end and transmission
Helical gear axle center is fixedly connected, and engages connection, the rotation helical gear axle center with rotation helical gear on the left of the transmission helical gear
It is fixedly connected with screw lower end, movable sleeve is connected to elevator on the screw rod, fixes on the left of the elevator with connecting rod right end
It is fixedly connected on the right side of connection, the connecting rod and microphone lower end, the screw rod upper end is fixedly connected with protection outer casing inner wall.
Preferably, the microphone upper end is actively socketed on inside protector, and lower section is provided with guarantor on the left of the protection shell
Protecting groove.
Compared with prior art, the present invention provides a kind of teaching computer network security control device, have following
The utility model has the advantages that
1. compact overall structure of the present invention, is provided with transmission mechanism when in use, display rotation is driven by transmission mechanism
Mechanism rotation turns to suitable angle so as to driving display screen and carries out using and being additionally provided with control mechanism, pass through
Control mechanism drives connector with movable to match with mobile connection slot, to make device that network can be used, endangers when receiving network
When dangerous, control mechanism can be directly initiated, connector with movable is driven mutually to separate with mobile connection slot, so that computer be made to disconnect net
Network connection, protects the network security of computer, which also sets up microphone elevating mechanism, drives microphone lifting by control mechanism
Mechanism operating, thus it is possible to vary the height of microphone facilitates practitioner using the device, which makes using simply suitable for teaching
With.
2. the present invention is provided with transmission mechanism and display control mechanism, by left motor and right motor synchronize rotate in same direction band
Dynamic left-hand rotation moving gear and the operating of right-hand rotation moving gear, to drive Left Drive gear and right transmission gear to rotate, to drive limit
Axis driving display screen is user-friendly so as to effectively adjust the rotation of display screen in rotation slot inner rotation,
When the incorgruous rotation of right motor, the rotation of left-hand rotation moving gear is driven, to drive Left Drive gear to rotate, to drive limit
Gear rotation drives control mechanism operating.
3. the present invention is additionally provided with control mechanism and microphone elevating mechanism, when in use, driven by position limited gear
Rotation axis rotation, to drive rotary cylinder and rotate gear to rotate, to drive rotating wheel to rotate, while rotary cylinder drives movement
Block travels forward along thread groove thereon, to drive shifting axle to travel forward, so that connector with movable be driven to travel forward
It is matched with mobile connection slot, and rotating wheel band nutating gear rotates, and drives transmission shaft rotation, drives rotation helical teeth rotation
It is dynamic, so that transmission helical gear rotation be driven to drive elevator to move up, to drive connecting rod so that screw rod be driven to rotate
It moves up and microphone is driven to move up, meet the requirement of user.
Detailed description of the invention
Fig. 1 is the schematic perspective view that computer network security control device is used in a kind of teaching proposed by the present invention；
Fig. 2 is the fractionation schematic perspective view that computer network security control device is used in a kind of teaching proposed by the present invention；
Fig. 3 is the fractionation internal detachment structural representation that computer network security control device is used in a kind of teaching proposed by the present invention
Figure；
Fig. 4 is the fractionation schematic diagram of internal structure that computer network security control device is used in a kind of teaching proposed by the present invention；
Fig. 5 is the fractionation schematic diagram of internal structure that computer network security control device is used in a kind of teaching proposed by the present invention；
Fig. 6 is the fractionation schematic diagram of internal structure that computer network security control device is used in a kind of teaching proposed by the present invention.
Figure label explanation:
1 support housing, 2 protection shells, 3 left motors, 4 right motors, 5 left-hand rotation moving gears, 6 right-hand rotation moving gears, 7 Left Drive gears, 8
Right transmission gear, 9 drum framves, 10 position limited gears, 11 support columns, 12 limit shafts, 13 display screens, 14 rotation slots, 15 rotation axis, 16
Support plate, 17 rotary cylinders, 18 rotate gears, 19 rotating wheels, 20 shifting axles, 21 connector with movable, 22 mobile connection slots, 23 masters
Machine, 24 movable blocks, 25 transmission shafts, 26 transmission gears, 27 rotation helical gears, 28 transmission helical gears, 29 screw rods, 30 elevators, 31
Connecting rod, 32 microphones, 33 support rods, 34 protectors.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Embodiment 1:
It is a kind of teaching use computer network security control device, including support housing 1 and protection shell 2,1 upper end of support housing with
Protection is fixedly connected in the middle part of 2 lower surface of shell,
Transmission mechanism, transmission mechanism are placed in inside protection shell 2, and transmission mechanism and display rotating mechanism and control mechanism connect
It connects；
It shows that rotating mechanism, display rotating mechanism are placed in inside protection shell 2, and shows that rotating mechanism and transmission mechanism connect
It connects；
Control mechanism, control mechanism are placed in inside protection shell 2, and control mechanism is connect with microphone elevating mechanism；
Microphone elevating mechanism, microphone elevating mechanism are placed in inside protection shell 2, and microphone elevating mechanism and control mechanism connect
It connects.
Compact overall structure of the present invention, is provided with transmission mechanism when in use, drives display to turn by transmission mechanism
The rotation of motivation structure, so as to driving display screen 13 turn to suitable angle carry out using, and be additionally provided with control mechanism,
It drives connector with movable 21 to match with mobile connection slot 22 by control mechanism, to make device that network can be used, works as receipts
When to Dangerous Internet, control mechanism can be directly initiated, connector with movable 21 is driven to separate with 22 phase of mobile connection slot, to make
Computer disconnects network connection, protects the network security of computer, which also sets up microphone elevating mechanism, passes through control mechanism
Drive the operating of microphone elevating mechanism, thus it is possible to vary the height of microphone 32 facilitates practitioner using the device, which uses letter
It is single, it is suitable for teaching and uses.
Embodiment 2: based on embodiment 1 it is different be；
Transmission mechanism includes: left motor 3, right motor 4, left-hand rotation moving gear 5, right-hand rotation moving gear 6, Left Drive gear 7, right driving cog
Wheel 8, drum frame 9, position limited gear 10 and support column 11, the 2 inside left and right sides of protection shell are fixedly installed with left motor 3 and right electricity
Machine 4, left motor 3 and 4 main shaft of right motor middle part are actively socketed on 11 upper end of support column, left 3 front-end of spindle of motor and left-hand rotation movable tooth
It takes turns 5 axle center to be fixedly connected, connection, right 4 front-end of spindle of motor is engaged on rear side of the inner side of left-hand rotation moving gear 5 and Left Drive gear 7
It is fixedly connected with 6 axle center of right-hand rotation moving gear, engages connection, Left Drive on rear side of the inner side of right-hand rotation moving gear 6 and right transmission gear 8
It is flexibly connected at left and right sides of gear 7 and 8 axle center of right transmission gear and 9 front end of drum frame, 9 rear side left and right ends of drum frame and support
The inner side in 11 upper end of column is fixedly connected, and Left Drive gear 7 and 8 front side of right transmission gear engage connection with position limited gear 10, right
Transmission gear 8 is fixedly connected with display control mechanism, and position limited gear 10 is connect with control mechanism.
Display control mechanism includes: limit shaft 12, display screen 13 and rotation slot 14, setting on the right side of protection 2 upper surface of shell
There is rotation slot 14, rotation slot 14 is internally provided with display screen 13, and 13 rear end of display screen is fixedly connected with limit shaft 12, limit shaft 12
It is fixedly connected on the right side of left end and right transmission gear 8.
The present invention is provided with transmission mechanism and display control mechanism, by left motor 3 and right motor 4 synchronize rotate in same direction band
Dynamic left-hand rotation moving gear 5 and right-hand rotation moving gear 6 operate, to drive Left Drive gear 7 and right transmission gear 8 to rotate, to drive
12 driving display screen 13 of limit shaft is in 14 inner rotation of rotation slot, convenient so as to effectively adjust the rotation of display screen 13
The use of user drives left-hand rotation moving gear 5 to rotate, to drive Left Drive gear 7 when right 4 incorgruous rotation of motor
Rotation drives control mechanism operating so that position limited gear 10 be driven to rotate.
Embodiment 3: based on Examples 1 and 2 it is different be；
Control mechanism includes: rotation axis 15, support plate 16, rotary cylinder 17, rotate gear 18, rotating wheel 19, shifting axle 20, movement
Connector 21, mobile connection slot 22, host 23, movable block 24 and support rod 33,10 axle center of position limited gear and 15 rear end of rotation axis
It is fixedly connected, inside 15 rear side pivot bush unit of rotation axis and 33 upper end of support rod, is actively socketed on support plate in the middle part of rotation axis 15
16 upper centers, 15 front side of rotation axis are successively fixedly connected with rotary cylinder 17 and 18 axle center of rotate gear, 18 downside of rotate gear
With connection is engaged on the upside of rotating wheel 19,19 axle center of rotating wheel is flexibly connected with shifting axle 20, side and the movement rearward of shifting axle 20
24 axle center of block is flexibly connected, and 24 upside of movable block is threadedly coupled with rotary cylinder 17, is actively socketed on support plate on rear side of shifting axle 20
16 middle parts, 20 front side of shifting axle are fixedly connected with connector with movable 21, and connector with movable 21 matches with mobile connection slot 22, protects
Shield shell 2 is internally provided with mobile connection slot 22, and host 23 is fixedly installed with inside support housing 1.
Microphone elevating mechanism includes: transmission shaft 25, transmission gear 26, rotation helical gear 27, transmission helical gear 28, screw rod
29, elevator 30, connecting rod 31 and microphone 32,19 downside of rotating wheel engage connection, 26 axle center of transmission gear with transmission gear 26
Be fixedly connected on front side of transmission shaft 25,25 back end activity of transmission shaft is socketed in inside 16 lower end of support plate, 25 front end of transmission shaft with
Transmission 28 axle center of helical gear is fixedly connected, and connection is engaged with rotation helical gear 27 in 28 left side of transmission helical gear, rotates helical gear 27
Axle center is fixedly connected with 29 lower end of screw rod, and movable sleeve is connected to elevator 30 on screw rod 29, and 30 left side of elevator and connecting rod 31 are right
End is fixedly connected, and is fixedly connected on the right side of connecting rod 31 and 32 lower end of microphone, 29 upper end of screw rod and the fixed company of protection 2 inner wall of shell
It connects.
32 upper end of microphone is actively socketed on inside protector 34, and 2 left side lower section of protection shell is provided with protector 34.
The present invention is additionally provided with control mechanism and microphone elevating mechanism, when in use, is driven by position limited gear 10
Rotation axis 15 rotates, to drive rotary cylinder 17 and rotate gear 18 to rotate, to drive rotating wheel 19 to rotate, while rotary cylinder
17 drive movable blocks 24 travel forward along thread groove thereon, to drive shifting axle 20 to travel forward, to drive movement
Connector 21 travels forward to be matched with mobile connection slot 22, and rotating wheel 19 is rotated with nutating gear 26, drives transmission shaft
25 rotations drive rotation helical gear 27 to rotate, so that transmission helical gear 28 be driven to rotate, so that screw rod 29 be driven to rotate, drive
Elevator 30 moves up, and drives microphone 32 to move up so that connecting rod 31 be driven to move up, meets the requirement of user.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of teaching computer network security control device, including support housing (1) and protection shell (2), feature exists
In；It is fixedly connected in the middle part of support housing (1) upper end and protection shell (2) lower surface,
Transmission mechanism, it is internal that the transmission mechanism is placed in protection shell (2), and the transmission mechanism and display rotating mechanism and
Control mechanism connection；
Show that rotating mechanism, the display rotating mechanism are placed in protection shell (2) inside, and the display rotating mechanism and biography
The connection of motivation structure；
Control mechanism, the control mechanism are placed in protection shell (2) inside, and the control mechanism and microphone elevating mechanism connect
It connects；
Microphone elevating mechanism, the microphone elevating mechanism are placed in protection shell (2) inside, and the microphone elevating mechanism and control
Mechanism connection processed.
2. a kind of teaching computer network security control device according to claim 1, it is characterised in that: the transmission
Mechanism includes: left motor (3), right motor (4), left-hand rotation moving gear (5), right-hand rotation moving gear (6), Left Drive gear (7), right transmission
Gear (8), drum frame (9), position limited gear (10) and support column (11), the fixed peace in the internal left and right sides of the protection shell (2)
Equipped with left motor (3) and right motor (4), support column (11) are actively socketed in the middle part of the left motor (3) and right motor (4) main shaft
Upper end, left motor (3) front-end of spindle are fixedly connected with left-hand rotation moving gear (5) axle center, the left-hand rotation moving gear (5) inner one
Connection, the fixed company of right motor (4) front-end of spindle and right-hand rotation moving gear (6) axle center are engaged on rear side of side and Left Drive gear (7)
It connects, engages connection, the Left Drive gear (7) and the right side on rear side of the inner side of the right-hand rotation moving gear (6) and right transmission gear (8)
It is flexibly connected at left and right sides of transmission gear (8) axle center and drum frame (9) front end, left and right ends and branch on rear side of the drum frame (9)
Dagger (11) inner side in upper end is fixedly connected, on front side of the Left Drive gear (7) and right transmission gear (8) and position limited gear
(10) engagement connection, the right transmission gear (8) are fixedly connected with display control mechanism, the position limited gear (10) and control machine
Structure connection.
3. a kind of teaching computer network security control device according to claim 2, it is characterised in that: the display
Control mechanism includes: limit shaft (12), display screen (13) and rotation slot (14), setting on the right side of protection shell (2) upper surface
Have rotation slot (14), the rotation slot (14) is internally provided with display screen (13), display screen (13) rear end and limit shaft
(12) it is fixedly connected, is fixedly connected on the right side of limit shaft (12) left end and right transmission gear (8).
4. a kind of teaching computer network security control device according to claim 2, it is characterised in that: the control
Mechanism include: rotation axis (15), support plate (16), rotary cylinder (17), rotate gear (18), rotating wheel (19), shifting axle (20),
Connector with movable (21), mobile connection slot (22), host (23), movable block (24) and support rod (33), the position limited gear
(10) axle center is fixedly connected with rotation axis (15) rear end, on rear side of the rotation axis (15) in pivot bush unit and support rod (33) upper end
Portion, is actively socketed on support plate (16) upper center in the middle part of the rotation axis (15), on front side of the rotation axis (15) successively with turn
Dynamic cylinder (17) are fixedly connected with rotate gear (18) axle center, on the downside of the rotate gear (18) with rotating wheel (19) the upside company of engagement
It connects, rotating wheel (19) axle center is flexibly connected with shifting axle (20), the shifting axle (20) side and movable block (24) rearward
Axle center is flexibly connected, and is threadedly coupled on the upside of the movable block (24) with rotary cylinder (17), movable sleeve on rear side of the shifting axle (20)
It connects in the middle part of support plate (16), is fixedly connected on front side of the shifting axle (20) with connector with movable (21), the connector with movable
(21) match with mobile connection slot (22), the protection shell (2) is internally provided with mobile connection slot (22), outside the support
Host (23) are fixedly installed with inside shell (1).
5. a kind of teaching computer network security control device according to claim 4, it is characterised in that: the microphone
Elevating mechanism include: transmission shaft (25), transmission gear (26), rotation helical gear (27), transmission helical gear (28), screw rod (29),
Elevator (30), connecting rod (31) and microphone (32), connection is engaged with transmission gear (26) in rotating wheel (19) downside, described
It is fixedly connected on front side of transmission gear (26) axle center and transmission shaft (25), transmission shaft (25) back end activity is socketed in support plate
(16) inside lower end, transmission shaft (25) front end is fixedly connected with transmission helical gear (28) axle center, the transmission helical gear
(28) left side engages connection, the fixed company in the rotation helical gear (27) axle center and screw rod (29) lower end with rotation helical gear (27)
It connects, movable sleeve is connected to elevator (30) on the screw rod (29), is fixed on the left of the elevator (30) with connecting rod (31) right end
It is fixedly connected on the right side of connection, the connecting rod (31) and microphone (32) lower end, in screw rod (29) upper end and protection shell (2)
Wall is fixedly connected.
6. a kind of teaching computer network security control device according to claim 5, it is characterised in that: the microphone
(32) upper end is actively socketed on protector (34) inside, and lower section is provided with protector (34) on the left of the protection shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910732175.4A CN110399752B (en) | 2019-08-09 | 2019-08-09 | Computer network security control device for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910732175.4A CN110399752B (en) | 2019-08-09 | 2019-08-09 | Computer network security control device for teaching |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110399752A true CN110399752A (en) | 2019-11-01 |
| CN110399752B CN110399752B (en) | 2021-03-12 |
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ID=68327919
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910732175.4A Expired - Fee Related CN110399752B (en) | 2019-08-09 | 2019-08-09 | Computer network security control device for teaching |
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| Title |
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| 王璐: "高校多媒体讲台的研究及优化设计", 《中国优秀硕士学位论文全文数据库 社会科学Ⅱ辑》 * |
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| CN110399752B (en) | 2021-03-12 |
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