CN110089847A - A kind of multi-media teaching table - Google Patents
A kind of multi-media teaching table Download PDFInfo
- Publication number
- CN110089847A CN110089847A CN201910394359.4A CN201910394359A CN110089847A CN 110089847 A CN110089847 A CN 110089847A CN 201910394359 A CN201910394359 A CN 201910394359A CN 110089847 A CN110089847 A CN 110089847A
- Authority
- CN
- China
- Prior art keywords
- desk body
- fixedly connected
- motor
- tablet computer
- sliding block
- 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.)
- Withdrawn
Links
- 238000004140 cleaning Methods 0.000 claims abstract description 38
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000003381 stabilizer Substances 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 5
- 238000010408 sweeping Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- A47B13/00—Details of tables or desks
- A47B13/02—Underframes
-
- 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
- A47B19/00—Reading-desks; Lecterns; Pulpits, i.e. free-standing
-
- 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
- A47B91/00—Feet for furniture in general
- A47B91/06—Gliders or the like
- A47B91/066—Swivel gliders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
Landscapes
- Combinations Of Kitchen Furniture (AREA)
Abstract
The present invention relates to teaching equipment fields, more specifically, it is a kind of multi-media teaching table, including desk body, tablet computer, microphone and right loudspeaker, the upper surface of the desk body is equipped with cleaning agency, the upper surface of desk body offers rectangular opening, tablet computer is installed in rectangular opening, the lower section of tablet computer is equipped with driving motor, driving motor is fixedly connected with the inner wall of desk body, the axle stretch end of driving motor is fixedly connected with the second screw rod, the second sliding block is arranged in the middle part of second screw rod, the upper surface of second sliding block is hinged with connecting rod, it is hinged at the upper end of connecting rod and the lower surface edge of tablet computer, in the embodiment of the present invention, by the way that cleaning agency is arranged, the dust on desk body surface is cleaned using cleaning roller, eliminate the trouble of hand sweeping, the present apparatus is when being in off working state, tablet computer, right loudspeaker, left speaker is received Enter in desk body, effective protection can be carried out to tablet computer, right loudspeaker, left speaker.
Description
Technical field
The present invention relates to teaching equipment fields, are a kind of multi-media teaching tables more specifically.
Background technique
Multimedia lectern is a kind of by lectern and computer, multi-media control system, video presenter, audio frequency apparatus, audio-video
The product that the electronic products collection such as converter is integrated.It uses all steel quality material, electrostatic plastic spraying processing, real meaning one
Lock control, the human oriented design of consideration, accurate intelligent control, the safe design of network theftproof, the inner space of large capacity, one
Platform is multi-purpose, wiring is succinct, has the characteristics that complete external device interface.As lectern, multimedia lectern requires daily completely
The standard of lectern is designed, and uses the principle of ergonomics, meets the needs of teachers ' teaching.
However in teaching process, the dusts such as chalk dust are easy accumulation on the table, and existing multi-media teaching table cannot
Automatically desktop is cleaned.
Summary of the invention
The purpose of the present invention is to provide a kind of multi-media teaching tables, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme:
A kind of multi-media teaching table, including desk body and tablet computer, the upper surface of the desk body are equipped with cleaning agency, desk body
Upper surface offer rectangular opening, tablet computer is installed, the lower section of tablet computer is equipped with driving motor, driving electricity in rectangular opening
Machine is fixedly connected with the inner wall of desk body, and the axle stretch end of driving motor is fixedly connected with the second screw rod, is arranged in the middle part of the second screw rod
There is the second sliding block, the upper surface of the second sliding block is hinged with connecting rod, hinged at the upper end of connecting rod and the lower surface edge of tablet computer.
Further: the bottom of the desk body is fixedly connected with stabilizer blade, and the lower surface of stabilizer blade offers cavity, cavity
Top is fixedly connected with telescoping mechanism, and the lower end of telescoping mechanism is universal wheel.
Further: the telescoping mechanism is electric hydaulic telescoping cylinder.
Further: the cleaning agency includes cleaning motor, cleaning roller, and the upper surface of desk body is fixedly connected with cleaning
Motor, the axle stretch end for cleaning motor are fixedly connected with the first screw rod, the first sliding block, the first sliding block are arranged in the middle part of the first screw rod
It is connect with the first wire rod thread, the lower surface of the first sliding block and the upper surface slide of desk body connect, the side wall installation of the first sliding block
There is cleaning roller, bristle is distributed in the surface of cleaning roller, and the lower surface of cleaning roller is bonded with the upper surface of desk body.
Further: the cleaning motor is clockwise and anticlockwise motor.
Further: the side wall of the desk body is provided with drawer.
Further: the lateral wall of the desk body is fixedly connected with bracket, and running through on bracket has shaft, shaft and bracket
It is rotatablely connected, is arranged with driving wheel in shaft, driving wheel is arranged on the second screw rod, driving wheel passes through transmission belt phase with driving wheel
It connects, is fixedly connected with microphone in the middle part of shaft.
Further: the inside of the desk body is equipped with upper mobile board, and upper mobile board is horizontal positioned, upper mobile board and desk body
Inner wall be slidably connected, the right side wall opening of desk body, the right end of upper mobile board is fixedly connected with right loudspeaker, under upper mobile board
Surface is equipped with upper rack, and the lower section of upper mobile board is equipped with lower movable plate, the side walls connection of lower movable plate and desk body, desk body
Left side wall opening, the left end of lower movable plate is fixedly connected with left speaker, and the upper surface of lower movable plate is fixedly connected with lower tooth
Item, the inner sidewall of desk body are fixedly connected with translation motor, and the axle stretch end of translation motor is arranged with gear, gear be located at upper rack,
Between lower rack gear, gear is engaged with upper rack, lower rack gear respectively.
Further: the translation motor is clockwise and anticlockwise motor.
Using technical solution provided by the invention, compared with prior art, the embodiment of the present invention is had the following beneficial effects:
In, by the way that cleaning agency is arranged, the dust on desk body surface is cleaned using cleaning roller, eliminates the trouble of hand sweeping, the present apparatus
When being in off working state, tablet computer, right loudspeaker, left speaker are taken in desk body, can be to tablet computer, right loudspeaking
Device, left speaker carry out effective protection, by the way that the universal wheel that can be gone up and down is arranged, push the mobile position of the present apparatus with can be convenient
It sets.It solves the problems, such as that existing lectern lacks carry out effective protection to multimedia equipment, be not easy to cleaning, mobile inconvenient.
Detailed description of the invention
Fig. 1 is the perspective view of multi-media teaching table embodiment 1；
Fig. 2 is the structural schematic diagram of multi-media teaching table embodiment 1；
Fig. 3 is the right view of tablet computer in multi-media teaching table embodiment 1.
Label declaration in schematic diagram: 1- desk body；2- cleans motor；The first screw rod of 3-；The first sliding block of 4-；5- cleaning roller；
6- tablet computer；7- drawer；8- driving motor；The second screw rod of 9-；The second sliding block of 10-；11- connecting rod；12- driving wheel；13- transmission
Band；14- shaft；15- microphone；16- bracket；17- upper mobile board；18- upper rack；Movable plate under 19-；Rack gear under 20-；21-
Gear；The right loudspeaker of 22-；23- stabilizer blade；24- telescoping mechanism；25- universal wheel；26- left speaker.
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, and the present invention will be further described with reference to the examples below.
Embodiment 1
Please refer to Fig. 1-3, in the embodiment of the present invention, a kind of multi-media teaching table, including desk body 1 and tablet computer 6, desk body 1
Upper surface be equipped with cleaning agency, cleaning agency include clean motor 2, cleaning roller 5, the upper surface of desk body 1 is fixedly connected with clearly
Motor 2 is swept, the axle stretch end for cleaning motor 2 is fixedly connected with the first screw rod 3, and the middle part of the first screw rod 3 is arranged with the first sliding block 4,
First sliding block 4 is threadedly coupled with the first screw rod 3, and the lower surface of the first sliding block 4 is connect with the upper surface slide of desk body 1, cleans electricity
Machine 2 is clockwise and anticlockwise motor, and control cleans 2 positive and negative rotation of motor, can drive 3 positive and negative rotation of the first screw rod, to drive the first sliding block 4
It moves left and right, the side wall of the first sliding block 4 is equipped with cleaning roller 5, and bristle, the lower surface of cleaning roller 5 is distributed in the surface of cleaning roller 5
It is bonded with the upper surface of desk body 1, when the first sliding block 4 moves left and right, cleaning roller 5 is driven to move left and right, clean table using cleaning roller 5
The dust on 1 surface of body.
The upper surface of desk body 1 offers rectangular opening, and tablet computer 6 is equipped in rectangular opening, and tablet computer 6 is back side up,
Tablet computer 6 and the upper surface of desk body 1 are hinged, and tablet computer 6 can be spun upside down, and the lower section of tablet computer 6 is equipped with driving electricity
Machine 8, driving motor 8 are located at the inside of desk body 1, and driving motor 8 is fixedly connected with the inner wall of desk body 1, and driving motor 8 is positive and negative rotation
Motor, the axle stretch end of driving motor 8 are fixedly connected with the second screw rod 9, and the middle part of the second screw rod 9 is arranged with the second sliding block 10, the
Two sliding blocks 10 are threadedly coupled with driving motor 8, and the upper surface of the second sliding block 10 is hinged with connecting rod 11, the upper end of connecting rod 11 and plate
It is hinged at the lower surface edge of computer 6,8 positive and negative rotation of driving motor is controlled, 9 positive and negative rotation of the second screw rod is driven, to pass through connecting rod
11 drive tablet computers 6 are spun upside down, and when tablet computer 6 is flipped up, are used convenient for user, and the lateral wall of desk body 1 is solid
Surely it is connected with bracket 16, running through on bracket 16 has shaft 14, and shaft 14 and bracket 16 are rotatablely connected, and is arranged with driving in shaft 14
12 are taken turns, driving wheel is arranged on the second screw rod 9, driving wheel 12 is connected with driving wheel by transmission belt 13, and driving motor 8 is run
When drive the second screw rod 9 rotate, and then by transmission belt 13 drive driving wheel 12 rotate, thus drive shaft 14 rotate synchronously,
The middle part of shaft 14 is fixedly connected with microphone 15, and when tablet computer 6 is in a horizontal position, microphone 15 is close to straight down
The side wall of desk body 1 drives shaft 14 to rotate synchronously, to drive wheat when driving motor 8 drives tablet computer 6 to be flipped up
Gram wind 15 is flipped up, and so that microphone 15 is turned to position straight up, is used convenient for user.
The inside of desk body 1 is equipped with upper mobile board 17, and upper mobile board 17 is horizontal positioned, the inner wall of upper mobile board 17 and desk body 1
It is slidably connected, upper mobile board 17 can horizontally slip, and the right side wall opening of desk body 1, the right end of upper mobile board 17 is fixedly connected with
Right loudspeaker 22, when upper mobile board 17 slides to the right, right loudspeaker 22 is stretched out by the opening of 1 right side wall of desk body, upper activity
The lower surface of plate 17 is equipped with upper rack 18, and the lower section of upper mobile board 17 is equipped with lower movable plate 19, lower movable plate 19 and desk body 1
Side walls connection, lower movable plate 19 can horizontally slip, the left side wall opening of desk body 1, and the left end of lower movable plate 19 is fixed to be connected
It is connected to left speaker 26, the upper surface of lower movable plate 19 is fixedly connected with lower rack gear 20, and the inner sidewall of desk body 1 is fixedly connected with flat
Motor is moved, the axle stretch end of translation motor is arranged with gear 21, and between upper rack 18, lower rack gear 20, gear 21 divides gear 21
It is not engaged with upper rack 18, lower rack gear 20, translation motor is clockwise and anticlockwise motor, 21 turns of moving gear of the band when translation motor operation
It is dynamic, and then upper mobile board 17, lower movable plate 19 is driven to move horizontally respectively to two sides, to drive right loudspeaker 22, Zuo Yangsheng
Device 26 is protruding, and when needing to withdraw right loudspeaker 22, left speaker 26, control translation motor reversion drives upper mobile board
17, internal motion from lower movable plate 19 to desk body 1, thus make right loudspeaker 22, left speaker 26 withdraw desk body 1 in, right loudspeaking
Device 22, left speaker 26 are electrically connected with microphone 15 respectively.
Embodiment 2
On the basis of embodiment 1, the side wall of desk body 1 is provided with drawer 7, and for storing article, the bottom of desk body 1 is fixedly connected
There is stabilizer blade 23, the lower surface of stabilizer blade 23 offers cavity, and telescoping mechanism 24 is fixedly connected at the top of cavity, and telescoping mechanism 24 is
Electric hydaulic telescoping cylinder, the lower end of telescoping mechanism 24 are universal wheel 25, and control telescoping mechanism 24 extends, and drive universal wheel 25 downward
It is mobile, make universal wheel 25 and ground face contact, pushes present apparatus shift position with can be convenient at this time.
1, embodiment 2 in conjunction with the embodiments, the working principle of the invention is: when needing the surface to desk body 1 to clear up,
Control cleans 2 positive and negative rotation of motor, can drive 3 positive and negative rotation of the first screw rod, so that the first sliding block 4 be driven to move left and right, drives clear
It sweeps roller 5 to move left and right, the dust on 1 surface of desk body is cleaned using cleaning roller 5, eliminates the trouble of hand sweeping, the present apparatus is being located
When off working state, tablet computer 6, right loudspeaker 22, left speaker 26 are taken in desk body 1, can be to tablet computer 6, the right side
Loudspeaker 22, left speaker 26 carry out effective protection, when needing using tablet computer 6 and microphone 15, start driving motor
8, the rotation of the second screw rod 9 is driven, drives tablet computer 6 to be flipped up by connecting rod 11, meanwhile, it is driven and is driven by transmission belt 13
12 rotation of wheel, so that microphone 15 be driven to be flipped up, turns to microphone 15 vertically so that shaft 14 be driven to rotate synchronously
Upward position uses convenient for user, starts translation motor, band moving gear 21 rotates, and then drives upper mobile board 17, lower work
Movable plate 19 is moved horizontally to two sides respectively, to drive right loudspeaker 22, left speaker 26 protruding, is received using microphone 15
Collect the voice of user, and is broadcasted after being amplified by right loudspeaker 22, left speaker 26, when needing the mobile present apparatus, control
Telescoping mechanism 24 processed extends, and universal wheel 25 is driven to move down, and makes universal wheel 25 and ground face contact, pushes with can be convenient at this time
Present apparatus shift position.
It should be strongly noted that desk body 1, tablet computer 6, microphone 15 and right loudspeaker 22 are existing skill in the application
The application of art, clean motor, cleaning roller, driving motor, the second screw rod, the second sliding block, driving wheel, transmission belt, upper mobile board, under
Movable plate is the innovative point of the application, efficiently solves existing lectern and lacks to multimedia equipment progress effective protection, no
Convenient for cleaning, moving inconvenient problem.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (9)
1. a kind of multi-media teaching table, including desk body (1) and tablet computer (6), which is characterized in that the desk body (1) it is upper
Surface is equipped with cleaning agency, and the upper surface of desk body (1) offers rectangular opening, and tablet computer (6), plate are equipped in rectangular opening
The lower section of computer (6) is equipped with driving motor (8), and driving motor (8) is fixedly connected with the inner wall of desk body (1), driving motor (8)
Axle stretch end is fixedly connected with the second screw rod (9), is arranged in the middle part of the second screw rod (9) the second sliding block (10), the second sliding block (10)
Upper surface be hinged with connecting rod (11), the upper end of connecting rod (11) with it is hinged at the lower surface edge of tablet computer (6).
2. multi-media teaching table according to claim 1, which is characterized in that the bottom of the desk body (1) is fixedly connected
Have stabilizer blade (23), the lower surface of stabilizer blade (23) offers cavity, and telescoping mechanism (24), telescopic machine are fixedly connected at the top of cavity
The lower end of structure (24) is universal wheel (25).
3. multi-media teaching table according to claim 2, which is characterized in that the telescoping mechanism (24) is electric hydaulic
Telescoping cylinder.
4. multi-media teaching table according to claim 1 to 3, which is characterized in that the cleaning agency includes cleaning
Motor (2), cleaning roller (5), the upper surface of desk body (1), which is fixedly connected with, cleans motor (2), and the axle stretch end for cleaning motor (2) is solid
Surely it is connected with the first screw rod (3), is arranged in the middle part of the first screw rod (3) the first sliding block (4), the first sliding block (4) and the first screw rod
(3) it is threadedly coupled, the lower surface of the first sliding block (4) is connect with the upper surface slide of desk body (1), the side wall peace of the first sliding block (4)
Equipped with cleaning roller (5), bristle is distributed in the surface of cleaning roller (5), and the lower surface of cleaning roller (5) and the upper surface of desk body (1) are pasted
It closes.
5. multi-media teaching table according to claim 4, which is characterized in that the cleaning motor (2) is positive and negative rotation electricity
Machine.
6. multi-media teaching table according to claim 1, which is characterized in that the side wall of the desk body (1) is provided with pumping
Drawer (7).
7. multi-media teaching table according to claim 1, which is characterized in that the lateral wall of the desk body (1) is fixed to be connected
It is connected to bracket (16), through having shaft (14) on bracket (16), shaft (14) and bracket (16) are rotatablely connected, and shaft covers on (14)
Equipped with driving wheel (12), driving wheel is arranged on the second screw rod (9), driving wheel (12) is connected with driving wheel by transmission belt (13)
It connects, microphone (15) is fixedly connected in the middle part of shaft (14).
8. multi-media teaching table according to claim 1, which is characterized in that the inside of the desk body (1) is equipped with upper work
Movable plate (17), upper mobile board (17) is horizontal positioned, and upper mobile board (17) and the inner wall of desk body (1) are slidably connected, the right side of desk body (1)
Sidewall opening, the right end of upper mobile board (17) are fixedly connected with right loudspeaker (22), and the lower surface of upper mobile board (17) is equipped with
The lower section of upper rack (18), upper mobile board (17) is equipped with lower movable plate (19), the side walls of lower movable plate (19) and desk body (1)
Connection, the left end of the left side wall opening of desk body (1), lower movable plate (19) are fixedly connected with left speaker (26), lower movable plate
(19) upper surface is fixedly connected with lower rack gear (20), and the inner sidewall of desk body (1) is fixedly connected with translation motor, translation motor
Axle stretch end is arranged with gear (21), and gear (21) is located between upper rack (18), lower rack gear (20), gear (21) respectively with upper tooth
Item (18), lower rack gear (20) engagement.
9. multi-media teaching table according to claim 8, which is characterized in that the translation motor is clockwise and anticlockwise motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910394359.4A CN110089847A (en) | 2019-05-13 | 2019-05-13 | A kind of multi-media teaching table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910394359.4A CN110089847A (en) | 2019-05-13 | 2019-05-13 | A kind of multi-media teaching table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110089847A true CN110089847A (en) | 2019-08-06 |
Family
ID=67447927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910394359.4A Withdrawn CN110089847A (en) | 2019-05-13 | 2019-05-13 | A kind of multi-media teaching table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110089847A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469880A (en) * | 2019-08-22 | 2019-11-19 | 苏州乔发环保科技股份有限公司 | A kind of industry electromagnetic oven |
| CN112385989A (en) * | 2020-11-18 | 2021-02-23 | 江西姚氏教育装备集团有限公司 | Table and chair with freely adjustable height |
| CN112790528A (en) * | 2021-01-05 | 2021-05-14 | 江西卓尔金属设备集团有限公司 | Closed intelligent compact shelf with ventilation function |
| CN113399386A (en) * | 2020-10-30 | 2021-09-17 | 杜艳华 | Inside cleaning device of new trend system tuber pipe |
| CN113475847A (en) * | 2021-08-16 | 2021-10-08 | 上海精仪达智能科技有限公司 | Multimedia intelligent terminal device and lifting control structure |
-
2019
- 2019-05-13 CN CN201910394359.4A patent/CN110089847A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469880A (en) * | 2019-08-22 | 2019-11-19 | 苏州乔发环保科技股份有限公司 | A kind of industry electromagnetic oven |
| CN110469880B (en) * | 2019-08-22 | 2023-09-12 | 苏州乔发环保科技股份有限公司 | Industrial electromagnetic oven |
| CN113399386A (en) * | 2020-10-30 | 2021-09-17 | 杜艳华 | Inside cleaning device of new trend system tuber pipe |
| CN112385989A (en) * | 2020-11-18 | 2021-02-23 | 江西姚氏教育装备集团有限公司 | Table and chair with freely adjustable height |
| CN112385989B (en) * | 2020-11-18 | 2022-11-15 | 深圳市美斯顿家具有限公司 | Table and chair with freely adjustable height |
| CN112790528A (en) * | 2021-01-05 | 2021-05-14 | 江西卓尔金属设备集团有限公司 | Closed intelligent compact shelf with ventilation function |
| CN113475847A (en) * | 2021-08-16 | 2021-10-08 | 上海精仪达智能科技有限公司 | Multimedia intelligent terminal device and lifting control structure |
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| 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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190806 |