CN110070763A - A kind of digital multimedia instructional device based on computer technology - Google Patents
A kind of digital multimedia instructional device based on computer technology Download PDFInfo
- Publication number
- CN110070763A CN110070763A CN201910330898.1A CN201910330898A CN110070763A CN 110070763 A CN110070763 A CN 110070763A CN 201910330898 A CN201910330898 A CN 201910330898A CN 110070763 A CN110070763 A CN 110070763A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- placing box
- bearing
- threaded rod
- motor
- 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
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
-
- 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
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses a kind of digital multimedia instructional device based on computer technology, including placing box, the inner bottom wall fixation of the placing box is inlaid with first bearing, the upper surface of placing box offers through-hole, the inner bottom wall of placing box is fixedly connected with motor housing, the inner sidewall fixation of motor housing is inlaid with second bearing, the inner bottom wall of motor housing is fixedly connected with motor pad, the upper surface of motor pad is fixedly connected with positive and negative motor, the output end of positive and negative motor runs through second bearing and extends to the left side of motor housing, the outer surface of positive and negative motor output end is fixedly connected with the inner ring of second bearing.Design structure of the present invention is reasonable, it can be such that projector is moved, turn signal can be issued to positive and negative motor by control module, realize the high low adjustment to projector, control module can be made to carry out transmitting signal to transmitting module, then it is launched by projector, the angular adjustment that projector can be made to be controlled.
Description
Technical field
The present invention relates to instructional technology field, specifically a kind of digital multimedia instructional device based on computer technology.
Background technique
Multimedia teaching refers in teaching process, the characteristics of according to instructional objective and teaching object, by Instructional Design,
Reasonably select and use Modern Teaching Medium, and with Traditional teaching means organic assembling, participate in whole course of teaching, jointly with a variety of
Media information acts on student, forms reasonable teaching process structure, the teaching efficiency for being optimal.
In teaching process, the commonly used teaching aid of teacher only has blackboard, but can generate during using blackboard
Very big dust can cause very big harm to teacher and student, and projection teaching's equipment at this stage, most of is all to use to have
Line connection, wired connection limits the position of giving lectures of teacher, can not walk up and down in classroom with student carry out it is necessary interact,
Cause influence for teaching efficiency, for this purpose, we have proposed a kind of digital multimedia instructional device based on computer technology come
Solve problem above.
Summary of the invention
One) the technical issues of solving
The object of the invention is in order to make up for the deficiencies of the prior art, provide a kind of number based on computer technology
Multimedia teaching apparatus.
Two) technical solution
To achieve the above object, the invention provides the following technical scheme: a kind of digital multimedia based on computer technology
The inner bottom wall fixation of instructional device, including placing box, the placing box is inlaid with first bearing, and the upper surface of the placing box is opened
Equipped with through-hole, the inner bottom wall of the placing box is fixedly connected with motor housing, and the inner sidewall fixation of the motor housing is inlaid with second
Bearing, the inner bottom wall of the motor housing are fixedly connected with motor pad, and the upper surface of the motor pad is fixedly connected with positive and negative motor,
The output end of the positive and negative motor runs through second bearing and extends to the left side of motor housing, the appearance of the positive and negative motor output end
Face is fixedly connected with the inner ring of second bearing, and the outer surface of the positive and negative motor output end is fixedly connected with first gear, described
The first threaded rod is placed with above placing box, the inside of the placing box is placed with second gear, first threaded rod
Bottom end sequentially passes through through-hole and second gear and is fixedly connected with the inner ring of first bearing, the outer surface of first threaded rod with
The inner wall of second gear is fixedly connected, and second gear is meshed with first gear, and the inside of the placing box is fixedly connected with
Control module, the inside of the placing box is fixedly connected with transmitting module, and control module is electrically connected with transmitting module, described to put
The upper surface for setting case is placed with keyboard, and the upper surface of the placing box is placed with mouse, the appearance surface cover of first threaded rod
Equipped with the first screwed pipe, and the first threaded rod is threadedly coupled with the first screwed pipe, is placed with fixed block above the placing box,
The upper surface of first screwed pipe is fixedly connected with the bottom surface of fixed block, and the upper surface of the fixed block offers sliding slot, institute
The inside for stating sliding slot is connected with sliding block compatible with sliding slot, and the inside fixation of the sliding block is inlaid with the second screwed pipe, described
The inner sidewall of sliding slot is fixed to be inlaid with 3rd bearing, and the inner sidewall fixation of the sliding slot is inlaid with fourth bearing, the fixed block
Left side be placed with the second threaded rod, the right end of second threaded rod sequentially passes through 3rd bearing and the second screwed pipe and with
The inner ring of four bearings is fixedly connected, and the outer surface of second threaded rod is fixedly connected with the inner ring of 3rd bearing, and described second
The outer surface of threaded rod is connect with the inner thread of the second screwed pipe, and the left end of second threaded rod is fixedly connected with baffle,
The front fixation of the fixed block is inlaid with symmetrical high-pitched speaker, and the upper surface of the sliding block is fixedly connected with partition, institute
The upper surface for stating partition is fixedly connected with projector.
Further, the inner sidewall of the motor housing offers the heat release hole being spaced substantially equidistant, and the quantity of heat release hole is not
Less than three.
By using above-mentioned technical proposal, keep a kind of digital multimedia instructional device based on computer technology effective
Positive and negative motor is radiated, be able to ascend the service life of positive and negative motor.
Further, the left and right sides of the placing box are fixedly connected to handle, the outer surface of each handle
It is fixedly connected to grip.
By using above-mentioned technical proposal, keep a kind of digital multimedia instructional device based on computer technology effective
Placing box is moved, can it is mobile set case during reduce the damage of opponent.
Further, symmetrical universal wheel, the upper surface of each universal wheel are placed with below the placing box
It is fixedly connected with the bottom surface of placing box.
By using above-mentioned technical proposal, a kind of digital multimedia instructional device based on computer technology is enable to make to put
It sets case to be moved, is able to ascend the practicability of placing box.
Further, the bottom surface of the placing box is fixedly connected with symmetrical support column, the bottom of each support column
Face is fixedly connected to non-slip mat.
By using above-mentioned technical proposal, keep a kind of digital multimedia instructional device based on computer technology effective
Placing box is supported, can be avoided placing box and shake during use phenomenon.
Further, the left side of the baffle is fixedly connected with crank, and the outer surface of crank is fixedly connected with protection
Set.
By using above-mentioned technical proposal, keep a kind of digital multimedia instructional device based on computer technology effective
The second threaded rod of rotation, the damage of opponent can be reduced during rotating the second threaded rod.
Further, the horizontal length value of first screwed pipe is less than the water skin length value of through-hole, and the first screwed pipe
Positioned at the inside of through-hole.
By using above-mentioned technical proposal, keep a kind of digital multimedia instructional device based on computer technology effective
Move up and down the first screwed pipe, can be avoided the first screwed pipe and Caton phenomenon occur during moving up and down.
Further, the upper surface of the placing box is fixedly connected with support tube, and the inner bottom wall of the support tube is fixed to be connected
Be connected to spring, be placed with support rod above the support tube, the bottom end of the support rod extend to the inside of support tube and with
The top of spring is fixedly connected, and the upper surface of the support rod is fixedly connected with the bottom surface of fixed block.
By using above-mentioned technical proposal, keep a kind of digital multimedia instructional device based on computer technology effective
Move up and down projector smoothly, be able to ascend the service life of projector.
Three) beneficial effect
Compared with prior art, this kind is had following beneficial to effect based on the digital multimedia instructional device of computer technology
Fruit:
First: the present invention is by that can make projector be moved, pass through keyboard under being used cooperatively of handle and universal wheel
Under being used cooperatively of mouse, turn signal can be issued to positive and negative motor by control module, realize the height to projector
Low adjustment improves the practicability of projector, improves efficiency of teaching, by under being used cooperatively of support column and non-slip mat, energy
It is enough that projector is fixed, it avoids projector and shakes during use phenomenon, improve the safety of projector
Property.
Second: the present invention is by that can make control module be passed to transmitting module under being used cooperatively of keyboard and mouse
Then delivery signal is launched by projector, realize the projection of projector, and the cooperation of rotation crank and the second threaded rod makes
Under, the angular adjustment that projector can be made to be controlled improves the practicability of projector, improves the quality of teaching, leads to
It crosses under being used cooperatively of support rod and spring, can be avoided projector and damage phenomenon occurs during up and down adjustment, improve
The service life of projector.
Detailed description of the invention
Fig. 1 is the cross-sectional view of placing box front view of the present invention；
Fig. 2 is structure enlargement diagram at A in Fig. 1 of the present invention；
Fig. 3 is structure enlargement diagram at B in Fig. 1 of the present invention.
In figure: 1, placing box；2, handle；3, transmitting module；4, support tube；5, fixed block；6, high-pitched speaker；7, it projects
Instrument；8, sliding slot；9,3rd bearing；10, crank；11, baffle；12, the first screwed pipe；13, through-hole；14, grip；15, universal wheel；
16, support column；17, control module；18, non-slip mat；19, the second threaded rod；20, keyboard；21, mouse；22, support rod；23,
Four bearings；24, the second screwed pipe；25, sliding block；26, spring；27, partition；28, the first threaded rod；29, second gear；30,
One bearing；31, first gear；32, second bearing；33, positive and negative motor；34, motor pad；35, heat release hole；36, motor housing.
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.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1-3, the present invention provides a kind of technical solution: a kind of digital multimedia teaching based on computer technology
The inner bottom wall fixation of device, including placing box 1, placing box 1 is inlaid with first bearing 30, and the upper surface of placing box 1 offers logical
Hole 13, through-hole 13 refer to the hole completely through workpiece, it may be possible to be processed with reamer, drill bit and milling machine, through-hole 13 and blind hole are not
Together, blind hole has hole in the side of workpiece, extends in workpiece, but be not passed through workpiece, and the inner bottom wall of placing box 1 is fixedly connected with
The inner sidewall fixation of motor housing 36, motor housing 36 is inlaid with second bearing 32, and the inner bottom wall of motor housing 36 is fixedly connected with motor
Pad 34, the upper surface of motor pad 34 are fixedly connected with positive and negative motor 33, and positive and negative motor 33 is also known as motor positive and inverse, positive and negative rotation control
As long as circuit diagram and its principle analysis will realize any two that the positive and negative rotation of motor will be connected in motor three phase mains inlet wire
The opposite purpose for adjusting wiring to can reach reversion, control positive and negative 8 revolving speed of motor is itself included rotational speed governor, revolving speed
Controller model JMDM-TDCM, positive and negative motor are equipment known in the art, just do not do excessive narration, positive and negative motor herein
33 output end runs through second bearing 32 and extends to the left side of motor housing 36, the outer surface and second of positive and negative 33 output end of motor
The inner ring of bearing 32 is fixedly connected, and the outer surface of positive and negative 33 output end of motor is fixedly connected with first gear 31, placing box 1 it is upper
Side is placed with the first threaded rod 28, and the inside of placing box 1 is placed with second gear 29, and the bottom end of the first threaded rod 28 sequentially passes through
Through-hole 13 and second gear 29 are simultaneously fixedly connected with the inner ring of first bearing 30, the outer surface of the first threaded rod 28 and second gear
29 inner wall is fixedly connected, and second gear 29 is meshed with first gear 31, and the inside of placing box 1 is fixedly connected with control mould
Block 17, the inside of placing box 1 are fixedly connected with transmitting module 3, and transmitting module 3 is the various machines using radio signal to a distant place
The remote control equipment that structure is controlled can instruct or drive various other phases after these signals are received by the receiving device in a distant place
The machinery or electronic equipment answered go to complete various operations, such as closed circuit, moving handle and start motor, later again by this
The operation that a little machinery are needed, as a kind of remote controler type mutually supplemented with IR remote controller, garage door, electrically operated gate and
Banister remote control, burglar alarm, Industry Control and wireless intelligent house field are widely used, transmitting module
3 common carrier frequencies are 315mHz or 433mHz, and remote controler uses the open frequency range of national regulation, in this frequency range
Interior, transmission power is less than 10mW, coverage area less than 100m or no more than our unit's range, it may not be necessary to pass through radio tube
The reason committee examines and freely uses, and the open frequency range in China is defined as 315mHz, and the national regulations such as America and Europe are 433mHz, institute
The remote controler of 433mHz should be used to export to the product of above-mentioned country, and control module 17 is electrically connected with transmitting module 3, is placed
The upper surface of case 1 is placed with keyboard 20, and the upper surface of placing box 1 is placed with mouse 21, and the outer surface of the first threaded rod 28 is arranged
There is the first screwed pipe 12, and the first threaded rod 28 is threadedly coupled with the first screwed pipe 12, the top of placing box 1 is placed with fixed block
5, the upper surface of the first screwed pipe 12 is fixedly connected with the bottom surface of fixed block 5, and the upper surface of fixed block 5 offers sliding slot 8, sliding slot
8 inside is connected with sliding block 25 compatible with sliding slot 8, and sliding block 25 is can be by perpendicular to folding in the die sinking movement of mold
Mould direction or die assembly with the angled sliding in open mold direction, when product structure makes mold not use sliding block 25
Sliding block 25 must be used in the case where cannot normally demoulding, material itself has hardness appropriate, and wearability bears fortune enough
Dynamic friction, cavity portion or core part on sliding block 25 divide hardness will be with the same rank of die cavity mold core other parts, sliding block 25
Inside it is fixed be inlaid with the second screwed pipe 24, the inner sidewall of sliding slot 8 is fixed to be inlaid with 3rd bearing 9, and the inner sidewall of sliding slot 8 is solid
Surely it is inlaid with fourth bearing 23, the left side of fixed block 5 is placed with the second threaded rod 19, and the right end of the second threaded rod 19 sequentially passes through
3rd bearing 9 and the second screwed pipe 24 are simultaneously fixedly connected with the inner ring of fourth bearing 23, the outer surface of the second threaded rod 19 and the
The inner ring of three bearings 9 is fixedly connected, and the outer surface of the second threaded rod 19 is connect with the inner thread of the second screwed pipe 24, the second spiral shell
The left end of rasp bar 19 is fixedly connected with baffle 11, and the front fixation of fixed block 5 is inlaid with symmetrical high-pitched speaker 6, and high pitch is raised
Sound device is exactly high-pitched speaker Unit 6 in speaker, effect be by the high-frequency signal exported from frequency divider reset, sliding block 25 it is upper
Surface is fixedly connected with partition 27, and partition 27 is the thin plate made of timber, microcellular rubber and polyvinyl chloride, as battery
Interpolar partition 27, the upper surface of partition 27 are fixedly connected with projector 7, projector 7 be it is a kind of using optical element by workpiece
Profile amplification, and the optical instrument being projected on shadow screen, it can make profile measurement with transmitted light, it is also possible to reflected light measurement
The surface shape and observation piece surface, the particularly suitable measurement complex outline of projector 7 and tiny workpiece of blind hole 13, such as clock and watch
Part, punching parts, electronic component, template, mold, screw thread, gear and molding cutter etc., checkability is high, easy to use, extensively
It is general be applied to measuring room and workshop, it is especially suitable to instrument and meter and horological industry meeting occasion.
Further, the inner sidewall of motor housing 36 offers the heat release hole 35 being spaced substantially equidistant, and the quantity of heat release hole 35
No less than three.
By using above-mentioned technical proposal, keep a kind of digital multimedia instructional device based on computer technology effective
Positive and negative motor 33 is radiated, be able to ascend the service life of positive and negative motor 33.
Further, the left and right sides of placing box 1 are fixedly connected to handle 2, and the outer surface of each handle 2 is fixed
It is connected with grip 14.
By using above-mentioned technical proposal, keep a kind of digital multimedia instructional device based on computer technology effective
Placing box 1 is moved, can it is mobile set case 1 during reduce the damage of opponent.
Further, the lower section of placing box 1 is placed with symmetrical universal wheel 15, the upper surface of each universal wheel 15 with
The bottom surface of placing box 1 is fixedly connected.
By using above-mentioned technical proposal, a kind of digital multimedia instructional device based on computer technology is enable to make to put
It sets case 1 to be moved, is able to ascend the practicability of placing box 1.
Further, the bottom surface of placing box 1 is fixedly connected with symmetrical support column 16, and the bottom surface of each support column 16 is equal
It is fixedly connected with non-slip mat 18.
By using above-mentioned technical proposal, keep a kind of digital multimedia instructional device based on computer technology effective
Placing box 1 is supported, can be avoided placing box 1 and shake during use phenomenon.
Further, the left side of baffle 11 is fixedly connected with crank 10, and the outer surface of crank 10 is fixedly connected with guarantor
Sheath.
By using above-mentioned technical proposal, keep a kind of digital multimedia instructional device based on computer technology effective
The second threaded rod of rotation 19, the damage of opponent can be reduced during rotating the second threaded rod 19.
Further, the horizontal length value of the first screwed pipe 12 is less than the water skin length value of through-hole 13, and the first screwed pipe
12 are located at the inside of through-hole 13.
By using above-mentioned technical proposal, keep a kind of digital multimedia instructional device based on computer technology effective
Move up and down the first screwed pipe 12, can be avoided the first screwed pipe 12 and Caton phenomenon occur during moving up and down.
Further, the upper surface of placing box 1 is fixedly connected with support tube 4, and the inner bottom wall of support tube 4 is fixedly connected with bullet
Spring 26, the top of support tube 4 are placed with support rod 22, the bottom end of support rod 22 extend to the inside of support tube 4 and with spring 26
Top be fixedly connected, the upper surface of support rod 22 is fixedly connected with the bottom surface of fixed block 5.
By using above-mentioned technical proposal, keep a kind of digital multimedia instructional device based on computer technology effective
Move up and down projector 7 smoothly, be able to ascend the service life of projector 7.
Working principle: by that projector 7 can be made to be moved under being used cooperatively of pull handle 2 and universal wheel 15, lead to
It crosses under being used cooperatively of keyboard 20 and mouse 21, turn signal can be issued to positive and negative motor 33 by control module 17, realized
To the high low adjustment of projector 7, by can projector 7 be consolidated under being used cooperatively of support column 16 and non-slip mat 18
It is fixed, it avoids projector 7 and shakes during use phenomenon, by under being used cooperatively of keyboard 20 and mouse 21, energy
So that control module 17 is carried out transmitting signal to transmitting module 3, is then launched by projector 7, realize projector 7
Under being used cooperatively of projection, rotation crank 10 and the second threaded rod 19, the angular adjustment that projector 7 can be made to be controlled is mentioned
The high quality of teaching, by can be avoided projector 7 in the mistake of up and down adjustment under being used cooperatively of support rod 22 and spring 26
Damage phenomenon occurs in journey, improves the service life of projector 7.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of digital multimedia instructional device based on computer technology, including placing box (1), it is characterised in that: described to put
The inner bottom wall fixation for setting case (1) is inlaid with first bearing (30), and the upper surface of the placing box (1) offers through-hole (13), institute
The inner bottom wall for stating placing box (1) is fixedly connected with motor housing (36), and the inner sidewall fixation of the motor housing (36) is inlaid with second
The inner bottom wall of bearing (32), the motor housing (36) is fixedly connected with motor pad (34), and the upper surface of the motor pad (34) is solid
Surely it is connected with positive and negative motor (33), the output end of the positive and negative motor (33) through second bearing (32) and extends to motor housing
(36) outer surface in left side, positive and negative motor (33) output end is fixedly connected with the inner ring of second bearing (32), it is described just
The outer surface of anti-motor (33) output end is fixedly connected with first gear (31), is placed with first above the placing box (1)
The inside of threaded rod (28), the placing box (1) is placed with second gear (29), and the bottom end of first threaded rod (28) is successively
It is fixedly connected through through-hole (13) and second gear (29) and with the inner ring of first bearing (30), first threaded rod (28)
Outer surface is fixedly connected with the inner wall of second gear (29), and second gear (29) is meshed with first gear (31), described to put
The inside for setting case (1) is fixedly connected with control module (17), and the inside of the placing box (1) is fixedly connected with transmitting module (3),
And control module (17) is electrically connected with transmitting module (3), the upper surface of the placing box (1) is placed with keyboard (20), described to put
The upper surface for setting case (1) is placed with mouse (21), and the outer surface of first threaded rod (28) is arranged with the first screwed pipe (12),
And first threaded rod (28) be threadedly coupled with the first screwed pipe (12), be placed with fixed block (5) above the placing box (1),
The upper surface of first screwed pipe (12) is fixedly connected with the bottom surface of fixed block (5), and the upper surface of the fixed block (5) opens up
Have sliding slot (8), the inside of the sliding slot (8) is connected with and sliding slot (8) compatible sliding block (25), the inside of the sliding block (25)
Fixation is inlaid with the second screwed pipe (24), and the inner sidewall fixation of the sliding slot (8) is inlaid with 3rd bearing (9), the sliding slot (8)
Inner sidewall fixation be inlaid with fourth bearing (23), be placed with the second threaded rod (19) on the left of the fixed block (5), described the
The right end of two threaded rods (19) sequentially passes through 3rd bearing (9) and the second screwed pipe (24) and consolidates with the inner ring of fourth bearing (23)
Fixed connection, the outer surface of second threaded rod (19) are fixedly connected with the inner ring of 3rd bearing (9), second threaded rod
(19) outer surface is connect with the inner thread of the second screwed pipe (24), and the left end of second threaded rod (19) is fixedly connected with
The front fixation of baffle (11), the fixed block (5) is inlaid with symmetrical high-pitched speaker (6), the upper table of the sliding block (25)
Face is fixedly connected with partition (27), and the upper surface of the partition (27) is fixedly connected with projector (7).
2. a kind of digital multimedia instructional device based on computer technology according to claim 1, it is characterised in that: institute
The inner sidewall for stating motor housing (36) offers the heat release hole (35) being spaced substantially equidistant, and the quantity of heat release hole (35) is no less than three
It is a.
3. a kind of digital multimedia instructional device based on computer technology according to claim 1, it is characterised in that: institute
The left and right sides for stating placing box (1) are fixedly connected to handle (2), and the outer surface of each handle (2) is fixedly connected with
There are grip (14).
4. a kind of digital multimedia instructional device based on computer technology according to claim 1, it is characterised in that: institute
State and be placed with below placing box (1) symmetrical universal wheel (15), the upper surface of each universal wheel (15) with placement
The bottom surface of case (1) is fixedly connected.
5. a kind of digital multimedia instructional device based on computer technology according to claim 1, it is characterised in that: institute
The bottom surface for stating placing box (1) is fixedly connected with symmetrical support column (16), and the bottom surface of each support column (16) is fixed
It is connected with non-slip mat (18).
6. a kind of digital multimedia instructional device based on computer technology according to claim 1, it is characterised in that: institute
The left side for stating baffle (11) is fixedly connected with crank (10), and the outer surface of crank (10) is fixedly connected with protective case.
7. a kind of digital multimedia instructional device based on computer technology according to claim 1, it is characterised in that: institute
The horizontal length value for stating the first screwed pipe (12) is less than the water skin length value of through-hole (13), and the first screwed pipe (12) is located at through-hole
(13) inside.
8. a kind of digital multimedia instructional device based on computer technology according to claim 1, it is characterised in that: institute
The upper surface for stating placing box (1) is fixedly connected with support tube (4), and the inner bottom wall of the support tube (4) is fixedly connected with spring
(26), it is placed with support rod (22) above the support tube (4), the bottom end of the support rod (22) extends to support tube (4)
Inside and be fixedly connected with the top of spring (26), the upper surface of the support rod (22) and the bottom surface of fixed block (5) are fixed
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910330898.1A CN110070763A (en) | 2019-04-23 | 2019-04-23 | A kind of digital multimedia instructional device based on computer technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910330898.1A CN110070763A (en) | 2019-04-23 | 2019-04-23 | A kind of digital multimedia instructional device based on computer technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110070763A true CN110070763A (en) | 2019-07-30 |
Family
ID=67368665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910330898.1A Pending CN110070763A (en) | 2019-04-23 | 2019-04-23 | A kind of digital multimedia instructional device based on computer technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110070763A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111649218A (en) * | 2020-07-07 | 2020-09-11 | 河南工学院 | English learning device with left and right projection devices |
| CN112303403A (en) * | 2020-10-29 | 2021-02-02 | 小飞鱼智能科技(广东)有限公司 | Projector device for internet online education |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2367164A3 (en) * | 2010-03-15 | 2015-03-25 | Waldner Labor- und Schuleinrichtungen GmbH | Board assembly |
| CN205451534U (en) * | 2015-12-22 | 2016-08-10 | 天津滨孚企业管理咨询有限公司 | Multi -media removes teaching platform |
| CN206388347U (en) * | 2016-06-29 | 2017-08-08 | 长春师范大学 | A kind of mobile multimedia classroom instruction device |
| CN107818702A (en) * | 2017-12-26 | 2018-03-20 | 广州众慧教育科技有限公司 | A kind of multifunction teaching auxiliary equipment |
| CN207397522U (en) * | 2016-08-31 | 2018-05-22 | 王英华 | A kind of Multimedia Digitalization English teaching device |
| CN109296882A (en) * | 2018-10-19 | 2019-02-01 | 高立伟 | It is a kind of convenient for fixed education and instruction projector mount |
-
2019
- 2019-04-23 CN CN201910330898.1A patent/CN110070763A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2367164A3 (en) * | 2010-03-15 | 2015-03-25 | Waldner Labor- und Schuleinrichtungen GmbH | Board assembly |
| CN205451534U (en) * | 2015-12-22 | 2016-08-10 | 天津滨孚企业管理咨询有限公司 | Multi -media removes teaching platform |
| CN206388347U (en) * | 2016-06-29 | 2017-08-08 | 长春师范大学 | A kind of mobile multimedia classroom instruction device |
| CN207397522U (en) * | 2016-08-31 | 2018-05-22 | 王英华 | A kind of Multimedia Digitalization English teaching device |
| CN107818702A (en) * | 2017-12-26 | 2018-03-20 | 广州众慧教育科技有限公司 | A kind of multifunction teaching auxiliary equipment |
| CN109296882A (en) * | 2018-10-19 | 2019-02-01 | 高立伟 | It is a kind of convenient for fixed education and instruction projector mount |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111649218A (en) * | 2020-07-07 | 2020-09-11 | 河南工学院 | English learning device with left and right projection devices |
| CN112303403A (en) * | 2020-10-29 | 2021-02-02 | 小飞鱼智能科技(广东)有限公司 | Projector device for internet online education |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110070763A (en) | A kind of digital multimedia instructional device based on computer technology | |
| CN201482983U (en) | Minisize lathe | |
| CN110026582A (en) | A kind of building template perforating device | |
| CN208374685U (en) | A kind of elastic nut block riveting device | |
| CN210525361U (en) | Bamboo wood processing drilling equipment convenient to change drill bit | |
| CN112610850B (en) | Teaching demonstration platform for clean energy science popularization | |
| CN110153498A (en) | A kind of oil smoke machining cutting equipment based on winding demotion principle | |
| CN205415569U (en) | Electric power examines and repair instrument case | |
| CN206982512U (en) | Electric precise module | |
| CN207215287U (en) | A kind of monitoring system of fire point | |
| CN210088757U (en) | Multi-combination light effect disc | |
| CN214175514U (en) | Multistage gear mechanical transmission structure presentation device | |
| CN213025388U (en) | Voice-controlled intelligent switch panel | |
| CN211564978U (en) | Double-shaft welding positioner | |
| CN209648698U (en) | A kind of matrix form industrial material intelligent sorting material frame | |
| CN110823724B (en) | Experimental device for observing impact damage of blade of aero-engine | |
| CN107656576A (en) | A kind of notebook computer bracket | |
| CN208461988U (en) | A kind of loudspeaker automatic positioning mechanism | |
| CN110148315A (en) | A kind of hand-held Mandarin Training device | |
| CN108761037B (en) | Industrial detection equipment for detecting soil | |
| CN211162998U (en) | Automatic lock body marble eye processing device with adjusting structure | |
| CN207043264U (en) | A kind of Self-centering device of full-automatic liquid-bearing pan special riveting machine | |
| CN220377872U (en) | Balance device of plastering robot | |
| CN219650910U (en) | Curve drawing auxiliary tool | |
| CN210833576U (en) | Compass calibration tool for latent racket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190730 |
|
| RJ01 | Rejection of invention patent application after publication |