CN103976567B - A kind of multifunctional desk - Google Patents
A kind of multifunctional desk Download PDFInfo
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- CN103976567B CN103976567B CN201410213189.2A CN201410213189A CN103976567B CN 103976567 B CN103976567 B CN 103976567B CN 201410213189 A CN201410213189 A CN 201410213189A CN 103976567 B CN103976567 B CN 103976567B
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- gusset plate
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Abstract
A kind of multifunctional desk, comprises gusset plate and lowering or hoisting gear, desktop upset and angle regulator, table height adjusting device, table body folding device and table body are walked and control device.Gusset plate and lowering or hoisting gear thereof comprise gusset plate and the guide rail be arranged on gusset plate and springlock shotpin; Desktop upset and angle regulator comprise connecting rod, chute, pulley mechanism, table frame and are arranged on rotating table top, connecting rod and the lockable mechanism thereof on the upside of table frame; Table height adjusting device comprises upper table leg, lower table leg, driving handle, worm-and-wheel gear and pinion and rack; Table body folding device comprises table bucket crossbeam, the first pin, the second pin, the first cotter way and the second cotter way; The walking of table body and control device thereof comprise pedal, cam, pressing plate, road wheel and feet.This desk can make same classroom be applied to many teaching links, drastically increases classroom utilization ratio, solves the problem of college teaching lack of space, can be applicable to all kinds of colleges and universities, is easy to promote, and has bright market prospects.
Description
Technical field
The present invention relates to a kind of multifunctional desk.
Background technology
At present, between to the demand of high-quality talents and the lifting of people's quality, each the college expansion plan, overstaffed, each colleges and universities problems faced, and increasing along with number in colleges and universities, the problem of teaching lack of space is more and more serious, but along with the diversification variation of teaching, common classroom cannot meet all teaching request, therefore newly-built teaching building can only be increased classroom or pass through the existing classroom of reconstruction, change common classroom into multimedia course classroom, seminar course classroom, design drawing classroom, the multi-functional classrooms such as self-study classroom and examination classroom, but newly-built teaching building will certainly improve the operation cost of school, and reconstruct classroom, then virtually decrease the quantity in classroom, and the utilization rate in multi-functional classroom is not high, so then cause the significant wastage of classroom resources, the problem of teaching lack of space is made the matter worse.
Summary of the invention
Table frame is heightened, tabletop angles regulates, desktop overturns, whole table moves to the object of the invention is to provide one to have for the deficiencies in the prior art, gusset plate pull and the function such as table frame upset and hang items, same classroom can be made to be applied to many teaching links, drastically increase classroom utilization ratio, solve the multifunctional desk of college teaching lack of space problem.
The present invention is achieved through the following technical solutions above-mentioned purpose:
A kind of multifunctional desk, comprises gusset plate and lowering or hoisting gear, desktop upset and angle regulator, table height adjusting device and table body are walked and control device, and described gusset plate and lowering or hoisting gear thereof comprise gusset plate, guide rail and springlock shotpin; Described desktop upset and angle regulator comprise table frame, rotating table top, multi link locking mechanism; Described table height adjusting device comprises upper table leg, lower table leg, power set, worm-and-wheel gear and pinion and rack; Described table body walking and control device thereof comprise pedal, cam, pressing plate, base, road wheel and feet;
Described table frame is arranged on described upper table leg, described lower table leg is hollow, described upper table leg is sleeved in described lower table leg, on described upper table leg vertically on be fixed with tooth bar, described lower table leg is provided with the worm-and-wheel gear driven by driving handle, the output gear of described worm-and-wheel gear engages with described tooth bar and drives described upper table leg to move up and down;
Described table frame is provided with two chutes, the side of the rear and front end of described rotating table top is equipped with the pulley mated with described chute, described rotating table top is arranged in described chute by pulley, described rotating table top to be supported in described table frame by the multi-connecting-rod mechanism be arranged on rotating table top side and to drive described rotating table top rotate and overturn, described multi-connecting-rod mechanism comprises connecting rod, middle connecting rod and rocking bar, one end of described upper connecting rod is hinged on the side of described rotating table top, one end of the other end and described rocking bar is hinged, the other end of described rocking bar is hinged in described table frame, described rocking bar is provided with fastening and loading device, one end of described middle connecting rod is hinged on described upper connecting rod, the other end is connected with described fastening and loading device, described fastening and loading device can be contained on described rocking bar at multiple positions locator card when the relatively described rocking bar of middle connecting rod is moved upward, and after arriving peak described fastening and loading device lost efficacy in connecting rod directly can be returned to minimum point,
Described floor installation is on described lower table leg, described base bottom is fixed with road wheel, bracing or strutting arrangement is provided with in described base, described bracing or strutting arrangement comprises feet, crossbeam, cam, pedal and foot-operated pin, described cam is arranged on described base by cam turning cylinder, described feet is fixed on the two ends of crossbeam, described feet is in the face of ground, the cam turning cylinder of described cam is connected with described pedal, the follower of described cam is connected with described crossbeam by connector, described cam is by described pedal driven rotary, thus drive described crossbeam to move up and down, described foot-operated pin limits described cam and is rotated further after described cam crosses peak,
Described table frame is provided with except at least two sides beyond front and is interconnected or separate gusset plate, described gusset plate is arranged in the guide rail of table frame side, when described gusset plate vertically promotes and puts in place, described gusset plate is located by described springlock shotpin.
Described table frame is arranged on described upper table leg by table body folding device.
Described table body folding device comprises table bucket crossbeam and pin, described table bucket crossbeam upper end and described table frame are fixed, on described table bucket crossbeam, in the vertical direction is provided with the first cotter way and the second cotter way, described first cotter way is the middle part that strip is arranged on described table bucket crossbeam, described second cotter way is the bottom that semicircle is arranged on described table bucket crossbeam, described upper table leg is provided with first pin corresponding with described first cotter way and the second cotter way and the second pin, when lifting described table frame, described second pin and described second cotter way depart from, make the turning storage of described table frame.
Described table frame is also provided with hook.
Described power set are the driving handle or motor that are connected with the power shaft of worm and gear.
Described fastening and loading device comprises and is arranged on multiple draw-in groove on described rocking bar and is sleeved on rocking bar and can along the locking system of described rocking bar movement, one end of described middle connecting rod is arranged in described locking system by torsionspring, the other end of described middle connecting rod is hinged on described upper connecting rod, described middle connecting rod is arranged on the snap fit one end in described locking system being also provided with and matching with described draw-in groove, snap fit on the described middle connecting rod of described torsionspring restriction is pressed on motion in described rocking bar draw-in groove, the downside of described draw-in groove is stationary plane, and upper side is active face.
Owing to adopting said structure, in common link of giving lessons, this device can be regulated according to the height of the different heights of student to table frame by table height adjusting device, thus regulates the height of desktop, makes student keep correct learning posture when learning; At design drawing teaching link, student will carry out the drafting of drawing, by the angle of the adjustment rotating table top that desktop overturns and angle regulator can be random, and desktop can be overturn, angular adjustment can conveniently be drawn on the one hand, on the other hand, desktop upset can make to have tow sides on a desktop and arrange different functions, thus conveniently mutually changes in difference in functionality; At seminar course teaching link, in order to forming surface opposite or form the form that multiple discussion group discusses, walked and control device by table body, this device can be moved easily, arrive object, thus classroom atmosphere is come to life; Reviewing one's lessons and taking an examination link, by pull-up gusset plate, making each desk become an independently studying space, thus form good self-study environment to everyone, also can prevent mutual plagiarism when taking an examination; By table body folding device, table frame can be turned to the side of table leg, thus take up space to reduce, be convenient to leaving concentratedly and transport of desk; Can by hang items by hook, can depositing conveniently to article.
In sum, this device has that a body is heightened, tabletop angles regulates, desktop upset, whole table move, gusset plate pull and the function such as table frame upset and hang items, same classroom can be made to be applied to many teaching links, drastically increase classroom utilization ratio, solve the problem of college teaching lack of space, can be applicable to all kinds of colleges and universities, be easy to promote, there is bright market prospects.
Accompanying drawing explanation
Fig. 1 is stereogram of the present invention.
Fig. 2 is front portion of the present invention profile.
Fig. 3 is the structural representation of side of the present invention.
Fig. 4 is the schematic diagram of table height adjusting device of the present invention.
Fig. 5 (a) be desktop of the present invention upset and angle regulator tabletop angles rotation increase state time schematic diagram.
Fig. 5 (b) be desktop of the present invention upset and angle regulator desktop lockup state time schematic diagram.
Fig. 5 (c) is that desktop of the present invention upset and angle regulator desktop rotate to schematic diagram during extreme position state.
Fig. 5 (d) be desktop of the present invention upset and angle regulator desktop rotation flat condition time schematic diagram.
Fig. 5 (e) be desktop of the present invention upset and angle regulator desktop rollover states time schematic diagram.
Fig. 6 is the schematic diagram of table body of the present invention walking and control device thereof.
Fig. 7 is the schematic diagram of gusset plate of the present invention and lowering or hoisting gear thereof.
Fig. 8 is the schematic diagram of table body folding device of the present invention.
In accompanying drawing 1 to 8, 1, desktop upset and angle regulator, 2, table height adjusting device, 3, the walking of table body and control device thereof, 4, gusset plate, 5, table body folding device, 11, rotating table top, 12, multi-connecting-rod mechanism, 13, upper table, 14, lower table, 15, table frame, 111, chute, 112, pulley, 121, upper connecting rod, 122, rocking bar, 123, middle connecting rod, 124, torsionspring, 125, draw-in groove, 126, locking system, 21, upper table leg, 22, lower table leg, 23, worm-and-wheel gear, 24, power transmission shaft, 231, worm screw, 232, worm gear, 233, output gear, 24, power transmission shaft, 25, tooth bar, 31, base, 32, road wheel, 33, pedal, 34, foot-operated pin, 341, feet, 342, cam, 321, pressing plate, 41, springlock shotpin, 51, table bucket crossbeam, 52, first pin, 53, second pin, 54, first cotter way, 55, second cotter way.
Detailed description of the invention
Below in conjunction with accompanying drawing, further describe the detailed description of the invention of this patent.
A kind of multifunctional desk, comprise gusset plate and lowering or hoisting gear thereof, desktop upset and angle regulator 1, table height adjusting device 2, table body folding device 5, the walking of table body and control device 3 thereof and article hanging device, described gusset plate and lowering or hoisting gear thereof comprise gusset plate 4 and the guide rail be arranged on gusset plate 4 and springlock shotpin 41; The rotating table top 11 that described desktop upset and angle regulator 1 comprise multi-connecting-rod mechanism 12, chute 111, pulley mechanism, table frame 15 and be arranged on the upside of described table frame 15; Described table height adjusting device 2 comprises upper table leg 21, lower table leg 22, driving handle, worm-and-wheel gear 23 and pinion and rack; Described table body folding device 5 comprises table bucket crossbeam 51, first pin 52, second pin 53, first cotter way 54 and the second cotter way 55; Described table body walking and control device 3 thereof comprise pedal 33, cam 342, pressing plate 321, base 31, road wheel 32 and feet 341; Described article hanging device comprises hanged hook;
As a kind of embodiment of this patent, described table frame 15 is by upper table 13, lower table 14 and side plate are formed, by upper table 13 in the middle part of described table frame 15, lower table 14 and side plate form a storage space, described table frame 15 is supported by two table legs, described table leg comprises upper table leg 21 and lower table leg 22, described table frame 15 is arranged on described upper table leg 21, described lower table leg 22 is hollow, described upper table leg 21 is sleeved in described lower table leg 22, on described upper table leg 21 vertically on be fixed with tooth bar 25, described lower table leg 22 is provided with the worm-and-wheel gear 23 being driven running by driving handle, described worm-and-wheel gear 23 comprises worm gear 231, worm screw 232, power transmission shaft 24 and output gear 233, the output gear 233 of described worm-and-wheel gear 23 engages with described tooth bar 25, thus drive described upper table leg 21 to move up and down, described worm-and-wheel gear 23 is arranged on a lower table leg 22, the output of worm-and-wheel gear 23 is connected with the output gear in another lower table leg by power transmission shaft 24, thus make two table leg interlocks.
Described table frame 15 is provided with two chutes 111, the side of the rear and front end of described rotating table top 11 is equipped with the pulley 112 mated with described chute, described pulley 112 is arranged in described chute 111, thus at least one end of rotating table top 11 can be moved in chute 111, the both sides of described rotating table top 11 are supported in described table frame 15 by multi-connecting-rod mechanism 12, described multi-connecting-rod mechanism 12 comprises connecting rod 121, middle connecting rod 123, rocking bar 122 and fastening and loading device, one end of described upper connecting rod 121 is hinged on the side of described rotating table top 11, one end of the other end and described rocking bar 122 is hinged, the other end of described rocking bar 122 is hinged in described table frame 15, described rocking bar 122 is provided with fastening and loading device, described fastening and loading device comprises and is arranged on multiple draw-in grooves on described rocking bar 122 125 and is sleeved on rocking bar 122 and can along the locking system 126 of described rocking bar movement, one end of described middle connecting rod 123 is arranged in described locking system 126 by torsionspring 124, the other end of described middle connecting rod 123 is hinged on described upper connecting rod 121, described middle connecting rod 123 is arranged on the snap fit one end in described locking system 126 being also provided with and matching with described draw-in groove, described torsionspring 124 snap fit limited on described middle connecting rod 123 is pressed on motion in described rocking bar draw-in groove 125, the downside of described draw-in groove 125 is stationary plane, upper side is active face, as a kind of embodiment of this patent, if the lighter in weight of rotating table top own, also can only be supported by a set of multi-connecting-rod mechanism to save cost face.
Described base 31 is arranged on described lower table leg 22, road wheel 32 is provided with in described base 21, described road wheel 32 can adopt road wheel, described road wheel 32 is fixed on pressing plate, and it is spacing by horizontal limit devices, described base 31 is supported by feet 341, also cam is provided with in described base 21, described cam is arranged on above pressing plate 321 by axle, pedal 33 and cam 342 link together, band moving cam 342 rotates, described pressing plate 321 is as the follower of described cam, described pedal band moving cam rotates, thus drive described pressing plate to move up and down, when pressing plate is depressed into extreme lower position by cam, road wheel 32 substitutes its supporting role of feet 341, cam crosses peak simultaneously, spacing by foot-operated pin 34, make cam form self-locking thus keep the position of road wheel.
Described table frame 15 is arranged on described upper table leg 21 by table body folding device 5, described table body folding device 5 comprises table bucket crossbeam 51 and pin, described table bucket crossbeam 51 upper end and described table frame 15 are fixed, on described table bucket crossbeam 51, in the vertical direction is provided with the first cotter way 54 and the second cotter way 55, the middle part of described first cotter way 54 described table bucket crossbeam 51 for strip is arranged on, described second cotter way 55 is the semicircle bottom being arranged on described table bucket crossbeam 51, described upper table leg 21 is provided with first pin 52 and second pin 53 corresponding with described first cotter way 54 and the second cotter way 55, when lifting described table frame 15, described second pin 53 departs from described second cotter way 55, make the turning storage of described table frame 15.
Described table frame 15 is provided with except at least two sides beyond front and is connected to an overall or separate gusset plate 4, as one embodiment of the present invention, gusset plate 4 can be that to arrange in both sides also can be arrange three sides, the gusset plate 4 of each side can be independent setting, independent control, also entirety can be linked to be, overall control, described gusset plate 4 is arranged on table frame 15 side, and be connected with table frame 15 by guide rail, described table frame 15 is provided with the springlock shotpin 41 corresponding with described gusset plate 4, the bottom of described gusset plate 4 is provided with the pin-and-hole corresponding with described springlock shotpin 41, when described gusset plate 4 vertically promotes and puts in place, described springlock shotpin 41 is installed in described pin-and-hole.Described table frame is also provided with hook.
As shown in Figure 4, rotary worm 231 drives worm gear 232 to rotate, and then drives output gear 233 to rotate, and the tooth bar 25 engaged with output gear 233 is moved up and down, and tooth bar 25 is cemented on upper table leg 21, thus by the desk with adjustable height that moves up and down of tooth bar 25.
As shown in Figure 5, rotating table top 11 rotates by horizontal level, and to putting down rotating table top 11 during proper angle, middle connecting rod 123, under the effect of torsionspring 124, snaps in draw-in groove 122, and whole multi-connecting-rod mechanism can not be moved, as Fig. 5 (b).Again rotate rotating table top 11, middle connecting rod 123 and draw-in groove 122 are thrown off, and can continue motion, start to transfer when rotating table top 11 reaches the limit of position, because the top of rocking bar 122 does not have tooth, cannot locking, and as Fig. 5 (c).Continue to transfer, the torsionspring 124 that is hooked on middle connecting rod 123 keeps throwing off with draw-in groove 122, and as Fig. 5 (d), rotating table top 11 can transfer to horizontal level.As shown in Fig. 5 (e), rotating table top 11 is by horizontal level setting in motion, while rotating in the counterclockwise direction, bottom moves horizontally along chute 111, when bottom moves to extreme position (in figure dotted line), desktop continues to rotate to horizontal level, realizes rotating table top 11 turn over function.
As shown in Figure 6, pedal 33 and cam 342 link together, and band moving cam 342 rotates, and pressing plate 321 and road wheel 32 are linked together and to be connected with base by horizontal limit devices.Along inverse time policy to rotation pedal, cam 342 presses down pressing plate 321, and pressing plate 321 moves downward, and drives road wheel 32 to move downward, thus replaces feet to support on the ground.Now cam crosses peak, and pedal is blocked by bearing pin, forms self-locking (in figure dotted line) together with cam.Pedal rotates along clockwise direction and feet can be made again to contact to earth, and after leg contacts to earth, cam peak, positions
As shown in Figure 7, move under gusset plate 4 in the vertical direction, smoke gusset plate 4 to precalculated position, springlock shotpin under the action of the spring, springs in hole, locking gusset plate (in figure dotted line).When needing to put down gusset plate, only with hand, lock pin need be pushed back.
As shown in Figure 8, first lift table frame, the second groove 55 on table bucket crossbeam 51 and the second pin 53 are departed from (in figure dotted line).Now table frame 15 just can rotate around the first pin 52, realizes table frame 15 folder function (figure chain lines).When needing desktop to keep flat, rotate table frame, under gravity, the second groove on table bucket crossbeam can snap in the second pin automatically.
Claims (6)
1. a multifunctional desk, it is characterized in that, comprise gusset plate and lowering or hoisting gear thereof, desktop overturns and angle regulator, table height adjusting device and table body are walked and control device, described gusset plate and lowering or hoisting gear thereof comprise gusset plate, guide rail and springlock shotpin; Described desktop upset and angle regulator comprise table frame, rotating table top, multi link locking mechanism; Described table height adjusting device comprises upper table leg, lower table leg, power set, worm-and-wheel gear and pinion and rack; Described table body walking and control device thereof comprise pedal, cam, pressing plate, base, road wheel and feet;
Described table frame is arranged on described upper table leg, described lower table leg is hollow, described upper table leg is sleeved in described lower table leg, on described upper table leg vertically on be fixed with tooth bar, described lower table leg is provided with the worm-and-wheel gear driven by driving handle, the output gear of described worm-and-wheel gear engages with described tooth bar and drives described upper table leg to move up and down;
Described table frame is provided with two chutes, the side of the rear and front end of described rotating table top is equipped with the pulley mated with described chute, described rotating table top is arranged in described chute by pulley, described rotating table top to be supported in described table frame by the multi-connecting-rod mechanism be arranged on rotating table top side and to drive described rotating table top rotate and overturn, described multi-connecting-rod mechanism comprises connecting rod, middle connecting rod and rocking bar, one end of described upper connecting rod is hinged on the side of described rotating table top, one end of the other end and described rocking bar is hinged, the other end of described rocking bar is hinged in described table frame, described rocking bar is provided with fastening and loading device, one end of described middle connecting rod is hinged on described upper connecting rod, the other end is connected with described fastening and loading device, described fastening and loading device can be contained on described rocking bar at multiple positions locator card when the relatively described rocking bar of middle connecting rod is moved upward, and after arriving peak described fastening and loading device lost efficacy in connecting rod directly can be returned to minimum point,
Described floor installation is on described lower table leg, described base bottom is fixed with road wheel, bracing or strutting arrangement is provided with in described base, described bracing or strutting arrangement comprises feet, crossbeam, cam, pedal and foot-operated pin, described cam is arranged on described base by cam turning cylinder, described feet is fixed on the two ends of crossbeam, described feet is in the face of ground, the cam turning cylinder of described cam is connected with described pedal, the follower of described cam is connected with described crossbeam by connector, described cam is by described pedal driven rotary, thus drive described crossbeam to move up and down, described foot-operated pin limits described cam and is rotated further after described cam crosses peak,
Described table frame is provided with except at least two sides beyond front and is interconnected or separate gusset plate, described gusset plate is arranged in the guide rail of table frame side, when described gusset plate vertically promotes and puts in place, described gusset plate is located by described springlock shotpin.
2. multi-functional desk according to claim 1, is characterized in that, described table frame is arranged on described upper table leg by table body folding device.
3. multi-functional desk according to claim 2, it is characterized in that, described table body folding device comprises table bucket crossbeam and pin, described table bucket crossbeam upper end and described table frame are fixed, on described table bucket crossbeam, in the vertical direction is provided with the first cotter way and the second cotter way, described first cotter way is the middle part that strip is arranged on described table bucket crossbeam, described second cotter way is the bottom that semicircle is arranged on described table bucket crossbeam, described upper table leg is provided with first pin corresponding with described first cotter way and the second cotter way and the second pin, when lifting described table frame, described second pin and described second cotter way depart from, make the turning storage of described table frame.
4. multi-functional desk according to claim 1, is characterized in that, described table frame is also provided with hook.
5. multi-functional desk according to claim 1, is characterized in that, described power set are the driving handle or motor that are connected with the power shaft of worm and gear.
6. multi-functional desk according to claim 1, it is characterized in that, described fastening and loading device comprises and is arranged on multiple draw-in groove on described rocking bar and is sleeved on rocking bar and can along the locking system of described rocking bar movement, one end of described middle connecting rod is arranged in described locking system by torsionspring, the other end of described middle connecting rod is hinged on described upper connecting rod, described middle connecting rod is arranged on the snap fit one end in described locking system being also provided with and matching with described draw-in groove, snap fit on the described middle connecting rod of described torsionspring restriction is pressed on motion in described rocking bar draw-in groove, the downside of described draw-in groove is stationary plane, upper side is active face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410213189.2A CN103976567B (en) | 2014-05-20 | 2014-05-20 | A kind of multifunctional desk |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410213189.2A CN103976567B (en) | 2014-05-20 | 2014-05-20 | A kind of multifunctional desk |
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| CN103976567A CN103976567A (en) | 2014-08-13 |
| CN103976567B true CN103976567B (en) | 2015-11-18 |
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| CN201410213189.2A Expired - Fee Related CN103976567B (en) | 2014-05-20 | 2014-05-20 | A kind of multifunctional desk |
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| CN201968124U (en) * | 2011-03-31 | 2011-09-14 | 高贝 | Adjustable desk for primary school students |
| CN202980996U (en) * | 2013-01-14 | 2013-06-12 | 海宁市职业高级中学 | Multi-function desk for art design major teaching |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100881257B1 (en) * | 2007-06-26 | 2009-02-05 | 홍순구 | Desk capable of controlling the height thereof |
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2014
- 2014-05-20 CN CN201410213189.2A patent/CN103976567B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2660994Y (en) * | 2003-11-03 | 2004-12-08 | 孙萍 | Dining table with tabletop capable of automatic rotating and fluctuating |
| CN201032921Y (en) * | 2006-12-26 | 2008-03-12 | 卢汉锋 | Mah-jong desk with 360 degree-rotating surface |
| CN201968124U (en) * | 2011-03-31 | 2011-09-14 | 高贝 | Adjustable desk for primary school students |
| CN202980996U (en) * | 2013-01-14 | 2013-06-12 | 海宁市职业高级中学 | Multi-function desk for art design major teaching |
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| CN103976567A (en) | 2014-08-13 |
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