CN107713341A - A kind of multi-action computer teaching equipment - Google Patents
A kind of multi-action computer teaching equipment Download PDFInfo
- Publication number
- CN107713341A CN107713341A CN201711172341.7A CN201711172341A CN107713341A CN 107713341 A CN107713341 A CN 107713341A CN 201711172341 A CN201711172341 A CN 201711172341A CN 107713341 A CN107713341 A CN 107713341A
- Authority
- CN
- China
- Prior art keywords
- casing
- plate
- elevating lever
- connecting seat
- teaching equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/02—Tables or desks for office equipment, e.g. typewriters, keyboards with vertical adjustable parts
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/03—Tables or desks for office equipment, e.g. typewriters, keyboards with substantially horizontally extensible or adjustable parts other than drawers, e.g. leaves
- A47B21/0314—Platforms for supporting office equipment
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/04—Tables or desks for office equipment, e.g. typewriters, keyboards characterised by means for holding or fastening typewriters or computer equipment
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
- A47B97/02—Devices for holding or supporting maps, drawings, or the like, including means for preventing rolling-up
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses a kind of multi-action computer teaching equipment, including casing, the first elevating lever is provided between the left surface and perpendicular baffle plate in casing, the top of the first elevating lever is installed with fixed plate, and fixed plate is provided with supporter for display device；Diaphragm plate is additionally provided between right flank and perpendicular baffle plate in casing, diaphragm plate is provided with data access frame；The device structure is ingenious, easy to operate；By the vertical height for adjusting the first elevating lever, can conveniently adjusts the vertical height of supporter for display device, further rotated by motor driven leading screw, when the threaded block on leading screw moves right, movable plate body rises therewith, and then the angle of display on regulation activity plate body can be facilitated, so as to be brought convenience to teacher；By the way that classroom is placed on different data storing boards with different text informations and fixed with spring clip, and then the clean and tidy of teaching table top is effectively guaranteed, is brought conveniently to giving lessons for teacher.
Description
Technical field
The present invention relates to teaching equipment technical field, more particularly to a kind of multi-action computer teaching equipment.
Background technology
Education skill be learning process and education resource are designed, developed, utilization, management and evaluation it is theoretical and real
Trample.Modern Education Technology is exactly to use Modern Educational Theory and modern information technologies, by teaching process and teaching resource
Design, exploitation, utilization, evaluation and management, to realize the theory and practice for optimization of imparting knowledge to students.Modern Education Technology has following spy
Point：Emphasis and foothold are the study of student, fully demonstrate students' ethics.Therefore, its research object is to learn
Journey and education resource；The design of its research contents including " learning process " and " education resource ", exploitation, utilization, manage and comment
Five aspects of valency；Embody the double attribute of theory and practice；Education skill is Advanced Education Thought and advanced instructional technology
The product being combined, Modern Education Technology constantly updated along with the development of modern science and technology and modern educational thought with it is rich
Rich the intension of oneself.
However, existing computer teaching equipment is typically all that computer and its outfit device are fixedly installed on into casing
Inside, the random operation of student is prevented, so causes the angle of the display of computer can not adjust, influences the use of teacher, together
When also have impact on viewing of the teacher to display contents；Furthermore teacher, while can be many when using computer teaching equipment
Teaching text information is also placed on equipment table top, and then seems that table top is untidy, due to can not sorting placement teaching text information,
Further strong influence is brought to teachers ' teaching.
The content of the invention
It is an object of the invention to provide a kind of multi-action computer teaching equipment, to solve what is proposed in above-mentioned background technology
Problem.
The invention provides a kind of multi-action computer teaching equipment, including casing, the leading flank of the casing is opening
Structure, the interior of the casing are provided with perpendicular baffle plate；The first elevating lever is provided between left surface and perpendicular baffle plate in the casing,
The top of first elevating lever is installed with fixed plate, and the fixed plate is provided with supporter for display device；The display
Device support meanss include base and movable plate body, open up fluted above the base, and screw mandrel, institute are provided with the groove
The left end for stating screw mandrel is connected with the power output shaft of the motor of left end setting in groove, the other end of the screw mandrel and the right side of groove
End rotation connection coordinates；The threaded block with its cooperation that spins is provided with the screw mandrel, is provided with the top of the threaded block
First connecting seat, it is provided with first connecting seat and is rotatablely connected the connecting rod of cooperation, the other end connection of the connecting rod with it
There is the second connecting seat, second connecting seat is fixed on the bottom surface of the movable plate body, and the left end of the movable plate body bottom surface is set
The 3rd connecting seat is equipped with, the 3rd connecting seat passes through hinge rotation company with being arranged on the 4th connecting seat of base upper surface left end
Connect；Display is provided with the upper surface of the movable plate body；It is provided between right flank and perpendicular baffle plate in the casing
Main frame, main frame and the display electrical connection；Diaphragm plate is additionally provided between right flank and perpendicular baffle plate in the casing, institute
State diaphragm plate and be provided with data access frame, the data access frame includes conveyer belt and data storing board, set in the conveyer belt
There are driving wheel and driven pulley, the center of the driving wheel and driven pulley is equipped with rotating shaft, and the both ends of the rotating shaft pass through bearing block
Pole is connected with, the lower end of the pole is connected with the second elevating lever, and the lower end of second elevating lever is fixedly installed on tabula
On plate；Several data storing boards are fixedly installed on the conveyer belt, the data storing board is provided with spring clip；The case
The top of body is provided with operation bench, and the lower section of left cover and right cover plate, the left cover and right cover plate is additionally provided with the operation bench
Equal and casing internal run-through.
It is preferred that it is equipped with handle on the left cover and right cover plate.
It is preferred that the movable plate body is provided with lagging, the lagging is located at below the display.
It is preferred that the side of the operation bench is provided with transverse frame plate, support bar, the support are provided with below the transverse frame plate
The other end of bar is connected with casing.
It is preferred that the leading flank of the casing is provided with chamber door, the chamber door passes through the activity of the left surface of hinge and casing
Connection.
Compared to the prior art the present invention, the advantage is that：
Multi-action computer teaching equipment provided by the invention, clever structure are easy to operate；By adjusting the first elevating lever
Vertical height, it is possible to the vertical height of convenient regulation supporter for display device, further rotated by motor driven leading screw,
When the threaded block on leading screw moves right, movable plate body rises therewith, and then can facilitate display on regulation activity plate body
Angle, so as to being brought convenience to teacher；By the way that classroom is placed on different data storing boards simultaneously with different text informations
Fixed with spring clip, and then be effectively guaranteed the clean and tidy of teaching table top, brought conveniently to giving lessons for teacher.
Brief description of the drawings
Fig. 1 is a kind of multi-action computer teaching equipment structural representation provided by the invention；
Fig. 2 is supporter for display device；
Fig. 3 is data access frame.
Description of reference numerals：
1st, casing；2nd, operation bench；3rd, baffle plate is erected；4th, the first elevating lever；5th, fixed plate；6th, supporter for display device；7th, bottom
Seat；8th, groove；9th, screw mandrel；10th, motor；11st, threaded block；12nd, the first connecting seat；13rd, connecting rod；14th, the second connecting seat；15th, it is living
Dynamic plate body；16th, the 3rd connecting seat；17th, the 4th connecting seat；18th, display；19th, lagging；20th, left cover；21st, handle；22、
Main frame；23rd, data access frame；24th, conveyer belt；25th, driving wheel；26th, driven pulley；27th, rotating shaft；28th, pole；29th, the second lifting
Bar；30th, data storing board；31st, spring clip；32nd, right cover plate；33rd, transverse frame plate；34th, heat emission hole；35th, chamber door；36th, diaphragm plate.
Embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described in detail, it is to be understood that of the invention
Protection domain do not limited by embodiment.
As Figure 1-3, the embodiments of the invention provide a kind of multi-action computer teaching equipment, including casing 1, casing
1 leading flank is hatch frame, and the interior of casing 1 is provided with perpendicular baffle plate 3；It is provided between left surface and perpendicular baffle plate 3 in casing 1
First elevating lever 4, the top of the first elevating lever 4 are installed with fixed plate 5, and fixed plate 5 is provided with supporter for display device 6；
Supporter for display device 6 includes base 7 and movable plate body 15, opens up fluted 8 above base 7, screw mandrel is provided with groove 8
9, the power output shaft for the motor 10 that the left end of screw mandrel 9 is set with left end in groove 8 is connected, the other end and the groove 8 of screw mandrel 9
Right part rotation connection coordinates；It is provided with screw mandrel 9 and the threaded block of its cooperation that spins 11, the top of threaded block 11 is provided with
A connecting seat 12, it is provided with the first connecting seat 12 and is rotatablely connected the connecting rod 13 of cooperation with it, the other end of connecting rod 13 is connected with
Second connecting seat 14, the second connecting seat 14 are fixed on the bottom surface of movable plate body 15, and the left end of the movable bottom surface of plate body 15 is provided with
Three connecting seats 17, the 3rd connecting seat 17 are rotatablely connected with being arranged on the 4th connecting seat 16 of the upper surface left end of base 7 by hinge；
Display 18 is provided with the upper surface of movable plate body 15；Specifically, opening left cover, the vertical of the first elevating lever is adjusted first
Highly, supporter for display device is made to bear console, while by starting motor, motor driven leading screw rotates, when on leading screw
When threaded block moves right, movable plate body moves upwards, and then can adjust the angle of the display on movable plate body；Positioned at case
Main frame 22 is provided between right flank and perpendicular baffle plate 3 in body 1, main frame 22 and display 18 electrically connect；Right side in casing 1
Diaphragm plate 36 is additionally provided between face and perpendicular baffle plate 3, diaphragm plate 36 is provided with data access frame 23, and data access frame 23 includes transmission
Band 24 and data storing board 30, the interior center for being provided with driving wheel 25 and driven pulley 26, driving wheel 25 and driven pulley 26 of conveyer belt 24
Rotating shaft 27 is equipped with, the both ends of rotating shaft 27 are connected with pole 28 by bearing block, and the lower end of pole 28 is connected with the second elevating lever
29, the lower end of the second elevating lever 29 is fixedly installed on diaphragm plate 36；The storage of several data is fixedly installed on conveyer belt 24
Plate 30, data storing board 30 are provided with spring clip 31；Specifically, data with different can be placed by classification on data storing board,
Fixed by spring clip, when the data of needs, open right cover plate, the second elevating lever of control rises, and then makes transmission belt
On data storing board bear manipulation table top, it is necessary to during that data, it is only necessary to transmission belt is rotated manually, when the money for finding to need
During material, open spring clip and remove；Without when, shrink the second elevating lever, its entirety is rolled back in casing；
The top of casing 1 is provided with operation bench 2, is additionally provided with left cover 20 and right cover plate 32 on operation bench 2, left cover 20 and right cover plate 32
Lower section and casing 1 internal run-through.
In embodiments of the present invention, it is equipped with handle 21 on left cover 20 and right cover plate 32.Movable plate body 15 is provided with horizontal stroke
Baffle plate 19, lagging 19 are located at the lower section of display 18.The side of operation bench 2 is provided with transverse frame plate 33, and the lower section of transverse frame plate 33 is provided with
Support bar, the other end of support bar are connected with casing 1.The leading flank of casing 1 is provided with chamber door 35, and chamber door 35 passes through hinge and case
The left surface of body 1 is flexibly connected.
In summary, multi-action computer teaching equipment provided in an embodiment of the present invention, clever structure are easy to operate；It is logical
Overregulate the vertical height of the first elevating lever, it is possible to the vertical height of convenient regulation supporter for display device, further pass through
Motor driven leading screw rotates, and when the threaded block on leading screw moves right, movable plate body rises therewith, and then can conveniently adjust
The angle of display on movable plate body, so as to be brought convenience to teacher；By the way that classroom is placed on difference with different text informations
Data storing board on and fixed with spring clip, and then be effectively guaranteed the clean and tidy of teaching table top, brought to giving lessons for teacher
Convenience.
Disclosed above is only several specific embodiments of the present invention, and still, the embodiment of the present invention is not limited to this, is appointed
What what those skilled in the art can think change should all fall into protection scope of the present invention.
Claims (5)
1. a kind of multi-action computer teaching equipment, it is characterised in that including casing (1), the leading flank of the casing (1) is to open
Mouth structure, the interior of the casing (1) are provided with perpendicular baffle plate (3)；
The first elevating lever (4), first elevating lever are provided between left surface and perpendicular baffle plate (3) in the casing (1)
(4) top is installed with fixed plate (5), and the fixed plate (5) is provided with supporter for display device (6)；The display
Support meanss (6) include base (7) and movable plate body (15), and fluted (8), the groove are opened up above the base (7)
(8) screw mandrel (9), the power output shaft of the motor (10) of the left end left end setting interior with groove (8) of the screw mandrel (9) are provided with
It is connected, the other end of the screw mandrel (9) coordinates with the right part rotation connection of groove (8)；Be provided with the screw mandrel (9) and its
Spun the threaded block (11) of cooperation, and the first connecting seat (12), first connecting seat are provided with the top of the threaded block (11)
(12) it is provided with and is rotatablely connected the connecting rod of cooperation (13) with it, the other end of the connecting rod (13) is connected with the second connecting seat
(14), second connecting seat (14) is fixed on the bottom surface of the movable plate body (15), a left side for movable plate body (15) bottom surface
End is provided with the 3rd connecting seat (17), and the 3rd connecting seat (17) is connected with being arranged on the 4th of base (7) upper surface left end the
Seat (16) is rotatablely connected by hinge；Display (18) is provided with the upper surface of the movable plate body (15)；
Main frame (22), the main frame (22) and display are provided between right flank and perpendicular baffle plate (3) in the casing (1)
(18) electrically connect；
Diaphragm plate (36) is additionally provided between right flank and perpendicular baffle plate (3) in the casing (1), on the diaphragm plate (36)
Provided with data access frame (23), the data access frame (23) includes conveyer belt (24) and data storing board (30), the transmission
Driving wheel (25) and driven pulley (26) are provided with band (24), and the center of the driving wheel (25) and driven pulley (26) is equipped with rotating shaft
(27), the both ends of the rotating shaft (27) are connected with pole (28) by bearing block, and the lower end of the pole (28) is connected with second
Elevating lever (29), the lower end of second elevating lever (29) are fixedly installed on diaphragm plate (36)；It is solid on the conveyer belt (24)
Surely several data storing boards (30) are provided with, the data storing board (30) is provided with spring clip (31)；
The top of the casing (1) is provided with operation bench (2), and left cover (20) and right cover plate are additionally provided with the operation bench (2)
(32), the lower section of the left cover (20) and right cover plate (32) and casing (1) internal run-through.
2. multi-action computer teaching equipment as claimed in claim 1, it is characterised in that the left cover (20) and right cover plate
(32) handle (21) is equipped with.
3. multi-action computer teaching equipment as claimed in claim 1, it is characterised in that the movable plate body (15) is provided with
Lagging (19), the lagging (19) are located at below the display (18).
4. multi-action computer teaching equipment as claimed in claim 1, it is characterised in that on the side of the operation bench (2)
Provided with transverse frame plate (33), support bar is provided with below the transverse frame plate (33), the other end of the support bar is connected with casing (1).
5. multi-action computer teaching equipment as claimed in claim 1, it is characterised in that on the leading flank of the casing (1)
Provided with chamber door (35), the chamber door (35) is flexibly connected by hinge with the left surface of casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711172341.7A CN107713341A (en) | 2017-11-22 | 2017-11-22 | A kind of multi-action computer teaching equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711172341.7A CN107713341A (en) | 2017-11-22 | 2017-11-22 | A kind of multi-action computer teaching equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107713341A true CN107713341A (en) | 2018-02-23 |
Family
ID=61216612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711172341.7A Pending CN107713341A (en) | 2017-11-22 | 2017-11-22 | A kind of multi-action computer teaching equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107713341A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108230768A (en) * | 2018-03-02 | 2018-06-29 | 南京极之视传媒科技有限公司 | A kind of multimedia interactive system |
| CN108364537A (en) * | 2018-04-20 | 2018-08-03 | 亳州学院 | A kind of Art undergraduate auxiliary device |
| CN108468919A (en) * | 2018-03-29 | 2018-08-31 | 张亚军 | A kind of computer teaching device |
| CN108548061A (en) * | 2018-04-19 | 2018-09-18 | 黑龙江工业学院 | A kind of photography-assisting tool for digital building mapping |
| CN108552741A (en) * | 2018-04-19 | 2018-09-21 | 洛阳理工学院 | A kind of multimedia teaching platform of music department |
| CN108758247A (en) * | 2018-06-06 | 2018-11-06 | 焦作师范高等专科学校 | A kind of special machine of computer application system |
| CN109448506A (en) * | 2019-01-10 | 2019-03-08 | 黄河科技学院 | A kind of economical management teaching operation demonstration teaching aid |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5881984A (en) * | 1997-06-20 | 1999-03-16 | Lin; Chin-Chih | Dimensional adjusting device for computer keyboards racks |
| CN204861834U (en) * | 2015-06-05 | 2015-12-16 | 郝璇 | Multi -functional computer teaching desk |
| CN205963371U (en) * | 2016-03-16 | 2017-02-22 | 哈尔滨师范大学 | Combination lectern that education management teaching was used |
| CN206006427U (en) * | 2016-06-13 | 2017-03-15 | 王娜 | A kind of computer teaching lectern |
| CN206630231U (en) * | 2017-01-04 | 2017-11-14 | 长春科技学院 | A kind of Art Design board of education |
| CN107348718A (en) * | 2017-07-17 | 2017-11-17 | 许红艳 | A kind of packaged type table for computer for being used to report speech |
-
2017
- 2017-11-22 CN CN201711172341.7A patent/CN107713341A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5881984A (en) * | 1997-06-20 | 1999-03-16 | Lin; Chin-Chih | Dimensional adjusting device for computer keyboards racks |
| CN204861834U (en) * | 2015-06-05 | 2015-12-16 | 郝璇 | Multi -functional computer teaching desk |
| CN205963371U (en) * | 2016-03-16 | 2017-02-22 | 哈尔滨师范大学 | Combination lectern that education management teaching was used |
| CN206006427U (en) * | 2016-06-13 | 2017-03-15 | 王娜 | A kind of computer teaching lectern |
| CN206630231U (en) * | 2017-01-04 | 2017-11-14 | 长春科技学院 | A kind of Art Design board of education |
| CN107348718A (en) * | 2017-07-17 | 2017-11-17 | 许红艳 | A kind of packaged type table for computer for being used to report speech |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108230768A (en) * | 2018-03-02 | 2018-06-29 | 南京极之视传媒科技有限公司 | A kind of multimedia interactive system |
| CN108468919A (en) * | 2018-03-29 | 2018-08-31 | 张亚军 | A kind of computer teaching device |
| CN108548061A (en) * | 2018-04-19 | 2018-09-18 | 黑龙江工业学院 | A kind of photography-assisting tool for digital building mapping |
| CN108552741A (en) * | 2018-04-19 | 2018-09-21 | 洛阳理工学院 | A kind of multimedia teaching platform of music department |
| CN108364537A (en) * | 2018-04-20 | 2018-08-03 | 亳州学院 | A kind of Art undergraduate auxiliary device |
| CN108758247A (en) * | 2018-06-06 | 2018-11-06 | 焦作师范高等专科学校 | A kind of special machine of computer application system |
| CN109448506A (en) * | 2019-01-10 | 2019-03-08 | 黄河科技学院 | A kind of economical management teaching operation demonstration teaching aid |
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Application publication date: 20180223 |