CN209152535U - Collapsible all-in-one machine for multimedia teaching - Google Patents
Collapsible all-in-one machine for multimedia teaching Download PDFInfo
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- CN209152535U CN209152535U CN201821826858.3U CN201821826858U CN209152535U CN 209152535 U CN209152535 U CN 209152535U CN 201821826858 U CN201821826858 U CN 201821826858U CN 209152535 U CN209152535 U CN 209152535U
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- installation cavity
- dais
- mounting groove
- multimedia
- collapsible
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Abstract
The utility model proposes a kind of collapsible all-in-one machine for multimedia teaching, including pedestal and multimedia lectern, folded lifting device is provided between pedestal and multimedia lectern, multimedia lectern is internally provided with host placement cabinet and locker, dais is provided at the top of multimedia lectern, the first installation cavity and the second installation cavity are provided on dais, parcel shelf is installed in first installation cavity, support device is provided between parcel shelf and the first installation cavity, articles holding table is slidably fitted in second installation cavity, one end of articles holding table is stretched out on the outside of dais, one end that articles holding table stretches out outside dais is equipped with vertical baffle, second installation cavity bottom is equipped with third installation cavity, liquid crystal display is installed in third installation cavity, the 4th installation cavity is additionally provided on dais, a scanning means is provided in 4th installation cavity, the side of 4th installation cavity be provided with control panel and Instrument cases, the utility model have the characteristics that dais liftable, usage comfort are high, teaching efficiency is good, easy to operate and easy to use.
Description
Technical field
The utility model relates to Lectern for teaching technical fields, more particularly, to a kind of collapsible multimedia teaching one
Machine.
Background technique
Multi-media platform, the Electronic platform that is otherwise known as, electronic multimedia platform either in control dais, be it is a kind of by dais with
The product that the electronic products collection such as computer, multi-media control system, video presenter, audio frequency apparatus, audio converter is integrated.It
With all steel quality material, there is electrostatic plastic spraying processing, a lock control of real meaning, consideration human oriented design, accurate
Intelligent control, the safe design of network theftproof, the inner space of large capacity, one it is multi-purpose, wiring is succinct, with complete external
The features such as equipment interface.As a kind of dais, multi-media platform uses people other than having the function of daily dais
Body engineering it is separate, meet the needs of teachers ' teaching, meanwhile, its inside be also integrated with a computer, on its desktop then
There is a display.Using completely new integrated whole design, appearance is neat and artistic, departing from various companies behind previous pc machine
The constraint of wiring has very high safety and stability, so that teacher is easy to operate in application process, safety, therefore, quilt
It is widely used in the education and instruction of each stage student in China.
However, there is also shortcomings below when in use for existing multi-media platform: first is the height at dais
Be it is fixed, may be only available for the moderate part teacher of height, stature is shorter or the very high teacher of stature when in use very not
It is convenient；Second when being that teacher needs to explain paper, carries out by way of can only explaining Making CAI soft or directly, Making CAI soft
Very troublesome, directly explanation student cannot intuitively see again says solution preocess, borrows goods inconvenient student.
Therefore, it is necessary to a kind of collapsible all-in-one machine for multimedia teaching for being able to solve the above problem.
Utility model content
The utility model proposes a kind of collapsible all-in-one machine for multimedia teaching, have dais liftable, usage comfort it is high,
Good, the easy to operate and easy to use feature of teaching efficiency.
The technical solution of the utility model is achieved in that
Collapsible all-in-one machine for multimedia teaching, including pedestal, are provided with multimedia lectern on the pedestal, the pedestal with
It is arranged side by side between the multimedia lectern there are two folded lifting device, the host that is internally provided with of the multimedia lectern is put
Cabinet and two lockers are set, host is provided in the host placement cabinet, is provided with dais at the top of the multimedia lectern, institute
The two sides for stating dais are symmetrically arranged with handrail, and being arranged side by side on the dais has the first installation cavity and the second installation cavity, and described the
One parcel shelf is installed in one installation cavity, is provided with support device between the parcel shelf and first installation cavity, described
The both ends of bottom are respectively equipped with a cross slide way vertical with the handrail in two installation cavitys, are slidably installed on the cross slide way
There is articles holding table, one end of the articles holding table is stretched out on the outside of the dais, and one end that the articles holding table stretches out on the outside of the dais is set
There is a vertical baffle, a third installation cavity is equipped between two cross slide ways, a liquid is installed in the third installation cavity
Crystal display screen is additionally provided with the 4th installation cavity for being set to first installation cavity side, the 4th installation cavity on the dais
It is inside provided with a scanning means, the 4th installation cavity is provided with control panel and tool far from the side of first installation cavity
Box.
As a kind of perferred technical scheme, each folded lifting device includes hinged first in middle part
One end of lifting arm and the second lifting arm, each first lifting arm is articulated with the bottom of the multimedia lectern, each
The other end of first lifting arm is articulated on the pedestal, and one end of each second lifting arm is articulated with described
The other end of the bottom of multimedia lectern, each second lifting arm is articulated on a sliding shoe, and the pedestal is equipped with
Two first mounting grooves parallel with each first lifting arm are provided with one in each first mounting groove
Thick stick, each sliding shoe are slidably mounted on the corresponding lead screw, and one end of each lead screw is mounted on one first
On bearing, each first bearing is both secured on the inner wall for corresponding to first mounting groove, each lead screw it is another
End is respectively and fixedly provided with a first bevel gear, and each first bevel gear is engaged with a second bevel gear.
As a kind of perferred technical scheme, the pedestal is equipped with second installation parallel with first mounting groove
Slot, one end of second mounting groove are provided with transmission shaft, and two second bevel gears are mounted on the transmission shaft, institute
The one end for stating transmission shaft is installed in second bearing, and the second bearing is fixed on the inner wall of the second mounting groove, and described second
The outside of mounting groove is equipped with a third mounting groove parallel with first mounting groove, and the other end of the transmission shaft protrudes into described
In third mounting groove, one end that the transmission shaft protrudes into the third mounting groove is connected with servo motor, and the transmission shaft is fixed
In on the motor shaft of the servo motor.
As a kind of perferred technical scheme, the support device includes the support being articulated in first installation cavity
Bar, the bottom of the parcel shelf are fixed with a bumping square, and the unlocked end of support rod is mutually abutted against with the bumping square.
As a kind of perferred technical scheme, the liquid crystal display is installed on the third installation cavity by a shaft
Interior, the bottom of the third installation cavity is equipped with a vertical lock chamber, is provided with a telescopic rod in the vertical lock chamber, described to stretch
The bottom of the vertical lock chamber is fixed in one end of contracting bar, and the other end of the telescopic rod is articulated with the liquid crystal display
Bottom.
As a kind of perferred technical scheme, the scanning means includes high photographing instrument, in two of the 4th installation cavity
Two vertical guides being parallel to each other are equipped on wall, the high photographing instrument is slidably mounted in the vertical guide, and the described 4th
One inner wall of installation cavity is equipped with horizontal sliding cavity, and the bottom of the horizontal sliding cavity is equipped with a horizontal guide rail, and the level is led
A horizontal baffle is slidably fitted on rail, one end of the horizontal baffle is provided with a promotion key, and the promotion key stretches out
The dais, the end of the horizontal baffle other end are equipped with locating convex block, and the horizontal baffle is equipped with the locating convex block
One end is protruded into the 4th installation cavity, and another inner wall of the 4th installation cavity is equipped with a positioning groove, the convex
Block is inserted into the positioning groove.
As a kind of perferred technical scheme, the high photographing instrument includes vertical supporting bar, the upper end of the vertical supporting bar
It is hinged with a rotation mounting rod, a camera is provided on the rotation mounting rod, the corresponding positions of the vertical supporting bar install
Fluted, the camera is inserted into the groove.
Using above-mentioned technical proposal, the utility model has the following beneficial effects:
Since collapsible all-in-one machine for multimedia teaching includes pedestal and multimedia lectern, between pedestal and multimedia lectern simultaneously
There are two folded lifting devices for row's setting, and when in use, control servo motor starting, servo motor motor shaft rotation drives transmission
Axis is rotated, so that first bevel gear and second bevel gear be driven to be rotated, and then lead screw is driven to be rotated, lead screw
Rotation is so that sliding shoe is moved on lead screw, while the second lifting arm being driven to move in the horizontal direction, so that first liter
Drop arm is rotated with the second lifting arm, so that multimedia lectern increases or reduction, teacher can be according to oneself body
Height, adjustment lectern is increased to the height for oneself feeling the most comfortable, and then improves the utility model comforts of use；Multimedia is said
Table is internally provided with two lockers, and locker can be used for placing some of the tool and class used in some teaching
Sundries etc. improves the utilization rate in space；It is provided with parcel shelf, articles holding table and liquid crystal display on dais, is saying class hour, teacher
The angle that parcel shelf can be rotated to oneself habit, is lived with they sup-port, the data of oneself is then placed on parcel shelf
Enterprising enforcement is used, and when using liquid crystal display, teacher can pull articles holding table, so that the second installation cavity is opened, exposes liquid crystal
Display screen, rotation liquid crystal display rotates shaft, and telescopic rod is driven to stretch out, so that liquid crystal display turns to oneself
When the angle of habit, stop operating, it is easy to operate, it is easy to use, so that comforts of use are substantially increased, moreover,
When not in use, articles holding table is covered on above liquid crystal display, avoids the damage of liquid crystal display, and it is practical new to improve this
The safety of type；It is additionally provided with scanning means on dais, when in use, pulls high photographing instrument, keeps high photographing instrument upward in vertical guide
Sliding when sliding into suitable position, pushes key, drives horizontal baffle to be moved to below high photographing instrument, by locating convex block
It is inserted into positioning groove, stops high photographing instrument decline, rotation rotation mounting rod, so that camera faces parcel shelf, camera can
It the data being placed on parcel shelf to be clearly filmed, is transmitted on projection screen, student is allowed intuitively to see explanation
Process, it is easy to operate, it is easy to use, to improve the effect of teachers ' teaching.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is the top view of Fig. 1；
Fig. 4 is the schematic enlarged-scale view in Fig. 1 at A；
Fig. 5 is the schematic enlarged-scale view in Fig. 2 at B；
Fig. 6 is the structural schematic diagram of the utility model in the base.
Wherein: 1, pedestal；2, multimedia lectern；3, folded lifting device；4, host placement cabinet；5, locker；6, host；
7, handrail；8, the first installation cavity；9, the second installation cavity；10, parcel shelf；11, cross slide way；12, articles holding table；13, vertical baffle；
14, third installation cavity；15, liquid crystal display；16, the 4th installation cavity；17, control panel；18, instrument cases；19, the first lifting arm；
20, the second lifting arm；21, sliding shoe；22, the first mounting groove；23, lead screw；24, first bearing；25, first bevel gear；26,
Two bevel gears；27, the second mounting groove；28, transmission shaft；29, second bearing；30, third mounting groove；31, servo motor；32, it props up
Strut；33, bumping square；34, vertical lock chamber；35, telescopic rod；36, high photographing instrument；37, vertical guide；38, horizontal sliding cavity；
39, horizontal guide rail；40, horizontal baffle；41, key is pushed；42, locating convex block；43, positioning groove；44, vertical supporting bar；45,
Rotate mounting rod；46, camera；47, groove.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
As Fig. 1-3 it is common shown in, collapsible all-in-one machine for multimedia teaching, including pedestal 1 is provided with multimedia on pedestal 1
Lectern 2 is arranged side by side there are two folded lifting device 3 between pedestal 1 and multimedia lectern 2, and the inside of multimedia lectern 2 is arranged
There are host placement cabinet 4 and two lockers 5, locker 5 can be used for placing the tool and class used in some teaching
Some sundries etc. improve the utilization rate in space；Host 6, the top setting of multimedia lectern 2 are provided in host placement cabinet 4
There is dais, the two sides at dais are symmetrically arranged with handrail 7, and being arranged side by side on dais has the first installation cavity 8 and the second installation cavity 9, the
One parcel shelf 10 is installed in one installation cavity 8, support device, the second installation are provided between parcel shelf 10 and the first installation cavity 8
The both ends of bottom are respectively equipped with a cross slide way 11 vertical with handrail 7 in chamber 9, are slidably fitted with articles holding table on cross slide way 11
12, one end of articles holding table 12 is stretched out on the outside of dais, and one end that articles holding table 12 stretches out on the outside of dais is equipped with a vertical baffle 13, and two
It is equipped with a third installation cavity 14 between cross slide way 11, a liquid crystal display 15 is installed in third installation cavity 14, is gone back on dais
Equipped with the 4th installation cavity 16 for being set to 8 side of the first installation cavity, a scanning means, the 4th peace are provided in the 4th installation cavity 16
16 sides far from the first installation cavity 8 of behaveing affectedly are provided with control panel 17 and instrument cases 18.
As Fig. 2 and Fig. 6 jointly shown in, each folded lifting device 3 includes hinged the first lifting arm in middle part
19 and second lifting arm 20, one end of every one first lifting arm 19 be articulated with the bottom of multimedia lectern 2, every one first lifting
The other end of arm 19 is articulated on pedestal 1, and one end of every one second lifting arm 20 is articulated with the bottom of multimedia lectern 2,
The other end of every one second lifting arm 20 is articulated on a sliding shoe 21, set on pedestal 1 there are two with every one first lifting arm
19 the first parallel mounting grooves 22 are provided with a lead screw 23 in every one first mounting groove 22, and each sliding shoe 21 slides
It is installed on corresponding lead screw 23, one end of each lead screw 23 is mounted in a first bearing 24, and each first bearing 24 is solid
Due on the inner wall of corresponding first mounting groove 22, the other end of each lead screw 23 is respectively and fixedly provided with a first bevel gear 25, and every 1 the
One bevel gear 25 is engaged with a second bevel gear 26.
Pedestal 1 is equipped with second mounting groove 27 parallel with the first mounting groove 22, and one end of the second mounting groove 27 is provided with
Transmission shaft 28, two second bevel gears 26 are mounted on transmission shaft 28, and one end of transmission shaft 28 is installed in second bearing 29,
Second bearing 29 is fixed on the inner wall of the second mounting groove 27, and it is flat with the first mounting groove 22 that the outside of the second mounting groove 27 is equipped with one
Capable third mounting groove 30, the other end of transmission shaft 28 protrude into third mounting groove 30, and transmission shaft 28 protrudes into third mounting groove 30
One end be connected with servo motor 31, transmission shaft 28 is fixed on the motor shaft of servo motor 31.
When in use, control servo motor 31 starts, and the rotation of 31 motor shaft of servo motor drives transmission shaft 28 to be rotated,
To drive first bevel gear 25 and second bevel gear 26 to be rotated, and then lead screw 23 is driven to be rotated, lead screw 23 turns
It moves so that sliding shoe 21 is moved on lead screw 23, while the second lifting arm 20 of drive moves in the horizontal direction, so that the
One lifting arm 19 is rotated with the second lifting arm 20, so that multimedia lectern 2 is increased or reduced, teacher can basis
The height of oneself, adjustment lectern is increased to the height for oneself feeling the most comfortable, and then improves the utility model comforts of use.
Wherein, support device includes the support rod 32 being articulated in the first installation cavity 8, and the bottom of parcel shelf 10 is fixed with one
Bumping square 33, the unlocked end of support rod 32 are abutted against with 33 phase of bumping square.
Liquid crystal display 15 is installed in third installation cavity 14 by a shaft, and it is perpendicular that the bottom of third installation cavity 14 is equipped with one
To lock chamber 34, a telescopic rod 35 is provided in vertical lock chamber 34, vertical lock chamber 34 is fixed in one end of telescopic rod 35
Bottom, the other end of telescopic rod 35 are articulated with the bottom of liquid crystal display 15.
Saying class hour, parcel shelf 10 can be rotated to the angle of oneself habit, be supported with support rod 32, then by teacher
The data of oneself is placed on the enterprising enforcement of parcel shelf 10 to use, when using liquid crystal display 15, teacher can pull articles holding table
12, so that the second installation cavity 9 is opened, expose liquid crystal display 15, rotation liquid crystal display 15 rotates shaft, and drives
Telescopic rod 35 stretches out, and when so that liquid crystal display 15 turning to the angle of oneself habit, stops operating, easy to operate, makes
With facilitating, so that comforts of use are substantially increased, moreover, when not in use, articles holding table 12 is to be covered on liquid crystal display 15
Above, the damage for avoiding liquid crystal display 15 improves the safety of the utility model.
As shown in figure 4, scanning means includes high photographing instrument 36, two articles are equipped on two inner walls of the 4th installation cavity 16 mutually
Parallel vertical guide 37, high photographing instrument 36 are slidably mounted in vertical guide 37, and an inner wall of the 4th installation cavity 16 is equipped with water
Flat sliding cavity 38, the bottom of horizontal sliding cavity 38 are equipped with a horizontal guide rail 39, and a horizontal gear is slidably fitted on horizontal guide rail 39
Plate 40, one end of horizontal baffle 40 are provided with a promotion key 41, and key 41 is pushed to stretch out dais, 40 other end of horizontal baffle
End is equipped with locating convex block 42, and one end that horizontal baffle 40 is equipped with locating convex block 42 is protruded into the 4th installation cavity 16, the 4th installation
Another inner wall of chamber 16 is equipped with a positioning groove 43, and locating convex block 42 is inserted into positioning groove 43.
As shown in figure 5, high photographing instrument 36 includes vertical supporting bar 44, the upper end of vertical supporting bar 44 is hinged with rotation installation
Bar 45 rotates and is provided with a camera 46 on mounting rod 45, and the corresponding position of vertical supporting bar 44 is equipped with groove 47, camera 46
It is inserted into groove 47.
When in use, high photographing instrument 36 is pulled, makes the upward sliding in vertical guide 37 of high photographing instrument 36, slides into suitable position
When setting, key 41 is pushed, drives horizontal baffle 40 to be moved to 36 lower section of high photographing instrument, locating convex block 42 is inserted into positioning groove
In 43, high photographing instrument 36 is stopped to decline, rotation rotation mounting rod 45, so that camera 46 faces parcel shelf 10, camera 46 can
It the data being placed on parcel shelf 10 to be clearly filmed, is transmitted on projection screen, allows student intuitively to see and say
The process of solution, it is easy to operate, it is easy to use, to improve the effect of teachers ' teaching.
To sum up, the utility model proposes collapsible all-in-one machine for multimedia teaching, have dais liftable, usage comfort
The feature high, teaching efficiency is good, easy to operate and easy to use.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (7)
1. collapsible all-in-one machine for multimedia teaching, including pedestal, which is characterized in that multimedia lectern is provided on the pedestal,
Folded lifting device there are two being arranged side by side between the pedestal and the multimedia lectern, the inside of the multimedia lectern is set
It is equipped with host placement cabinet and two lockers, host is provided in the host placement cabinet, is set at the top of the multimedia lectern
It is equipped with dais, the two sides at the dais are symmetrically arranged with handrail, and being arranged side by side on the dais has the first installation cavity and the second peace
It behave affectedly, a parcel shelf is installed in first installation cavity, is provided with support between the parcel shelf and first installation cavity
Device, the both ends of bottom are respectively equipped with a cross slide way vertical with the handrail in second installation cavity, and the transverse direction is led
Articles holding table is slidably fitted on rail, one end of the articles holding table is stretched out on the outside of the dais, and the articles holding table stretches out the dais
The one end in outside is equipped with a vertical baffle, is equipped with a third installation cavity, the third installation cavity between two cross slide ways
One liquid crystal display is inside installed, the 4th installation cavity for being set to first installation cavity side, institute are additionally provided on the dais
It states and is provided with a scanning means in the 4th installation cavity, the 4th installation cavity is provided with control far from the side of first installation cavity
Making sheet and instrument cases.
2. collapsible all-in-one machine for multimedia teaching according to claim 1, which is characterized in that each folding liftable dress
Setting includes middle part hinged the first lifting arm and the second lifting arm, and one end of each first lifting arm is hinged
The other end in the bottom of the multimedia lectern, each first lifting arm is articulated on the pedestal, each described
One end of second lifting arm is articulated with the bottom of the multimedia lectern, and the other end of each second lifting arm is hinged
In being set on a sliding shoe on the pedestal, there are two first mounting groove parallel with each first lifting arm, Mei Yisuo
It states and is provided with a lead screw in the first mounting groove, each sliding shoe is slidably mounted on the corresponding lead screw, Mei Yisuo
The one end for stating lead screw is mounted in a first bearing, and each first bearing is both secured to correspond to first mounting groove
On inner wall, the other end of each lead screw is respectively and fixedly provided with a first bevel gear, and each first bevel gear is engaged with one
Second bevel gear.
3. collapsible all-in-one machine for multimedia teaching according to claim 2, which is characterized in that the pedestal is equipped with and institute
The second parallel mounting groove of the first mounting groove is stated, one end of second mounting groove is provided with transmission shaft, two second cones
Gear is mounted on the transmission shaft, and one end of the transmission shaft is installed in second bearing, and the second bearing is fixed on
On the inner wall of second mounting groove, the outside of second mounting groove is equipped with a third installation parallel with first mounting groove
Slot, the other end of the transmission shaft protrude into the third mounting groove, and the transmission shaft protrudes into one end of the third mounting groove
It is connected with servo motor, the transmission shaft is fixed on the motor shaft of the servo motor.
4. collapsible all-in-one machine for multimedia teaching according to claim 1, which is characterized in that the support device includes hinge
The support rod being connected in first installation cavity, the bottom of the parcel shelf are fixed with a bumping square, and the support rod is not solid
Fixed end is mutually abutted against with the bumping square.
5. collapsible all-in-one machine for multimedia teaching according to claim 1, which is characterized in that the liquid crystal display passes through
One shaft is installed in the third installation cavity, and the bottom of the third installation cavity is equipped with a vertical lock chamber, described vertical solid
Calmly intracavitary to be provided with a telescopic rod, the bottom of the vertical lock chamber is fixed in one end of the telescopic rod, the telescopic rod
The other end is articulated with the bottom of the liquid crystal display.
6. collapsible all-in-one machine for multimedia teaching according to claim 1, which is characterized in that the scanning means includes height
Instrument is clapped, two articles of vertical guides being parallel to each other, the high photographing instrument sliding peace are equipped on two inner walls of the 4th installation cavity
Loaded in the vertical guide, an inner wall of the 4th installation cavity is equipped with horizontal sliding cavity, the bottom of the horizontal sliding cavity
Portion is equipped with a horizontal guide rail, is slidably fitted with a horizontal baffle on the horizontal guide rail, one end of the horizontal baffle is provided with
One pushes key, and the promotion key stretches out the dais, and the end of the horizontal baffle other end is equipped with locating convex block, described
One end that horizontal baffle is equipped with the locating convex block is protruded into the 4th installation cavity, on another inner wall of the 4th installation cavity
Equipped with a positioning groove, the locating convex block is inserted into the positioning groove.
7. collapsible all-in-one machine for multimedia teaching according to claim 6, which is characterized in that the high photographing instrument includes vertical
Support rod, the upper end of the vertical supporting bar are hinged with a rotation mounting rod, are provided with a camera on the rotation mounting rod,
The corresponding position of the vertical supporting bar is equipped with groove, and the camera is inserted into the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821826858.3U CN209152535U (en) | 2018-11-07 | 2018-11-07 | Collapsible all-in-one machine for multimedia teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821826858.3U CN209152535U (en) | 2018-11-07 | 2018-11-07 | Collapsible all-in-one machine for multimedia teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209152535U true CN209152535U (en) | 2019-07-26 |
Family
ID=67337088
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821826858.3U Expired - Fee Related CN209152535U (en) | 2018-11-07 | 2018-11-07 | Collapsible all-in-one machine for multimedia teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209152535U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113508989A (en) * | 2021-08-06 | 2021-10-19 | 安徽文香科技有限公司 | Base structure and have its lectern |
-
2018
- 2018-11-07 CN CN201821826858.3U patent/CN209152535U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113508989A (en) * | 2021-08-06 | 2021-10-19 | 安徽文香科技有限公司 | Base structure and have its lectern |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20190726 Termination date: 20201107 |