CN104026872B - Multifunctional transformable desk in classroom - Google Patents

Multifunctional transformable desk in classroom Download PDF

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Publication number
CN104026872B
CN104026872B CN201410193068.6A CN201410193068A CN104026872B CN 104026872 B CN104026872 B CN 104026872B CN 201410193068 A CN201410193068 A CN 201410193068A CN 104026872 B CN104026872 B CN 104026872B
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CN
China
Prior art keywords
desk
leg
plate
expansion plate
desktop
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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.)
Expired - Fee Related
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CN201410193068.6A
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Chinese (zh)
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CN104026872A (en
Inventor
曾小慧
饶建华
褚珊珊
许昊
胡琦
乔榆凯
谈长江
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China University of Geosciences
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China University of Geosciences
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Publication date
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Priority to CN201410193068.6A priority Critical patent/CN104026872B/en
Publication of CN104026872A publication Critical patent/CN104026872A/en
Application granted granted Critical
Publication of CN104026872B publication Critical patent/CN104026872B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention provides a multifunctional transformable desk in a classroom. The multifunctional transformable desk in the classroom comprises desk legs, a desktop and a desk body, wherein the desk legs and the desktop are connected through the desk body, the desktop is of the structure of a 60-degree fan and comprises a middle board on the bottom and a pair of unfolding boards, the middle board is covered with the pair of unfolding boards, sliding rails are installed on the bottoms of the unfolding boards, the unfolding boards can be unfolded or folded towards the two sides in a sliding mode, each unfolding board is of the structure of a 30-degree fan, and the middle board can be completely covered with the unfolding boards after the unfolding boards are folded; the bottoms of the unfolding boards are connected to the desk body through a deformation module, the deformation module comprises a four-bar mechanism, two rods on the left side of the four-bar mechanism and two rods on the right side of the four-bar mechanism are connected with a sliding block and a connecting block respectively, and the sliding block serves as a driving end and is installed in a sliding rail on the bottom of the unfolding boards, and the connecting block serves as a driven end and is hinged to the bottom of the middle board and can drive the middle board to rise and fall. According to the multifunctional transformable desk in the classroom, use requirements of ordinary classes can be met, the desk can be transformed, both the height and the angle of the desk can be adjusted, requirements of different types of courses are met, the practical application capacity is improved, and applicability is higher.

Description

Multi-functional classroom deformation desk
Technical field
The present invention relates to articles for daily use tables and chairs technical field, be specifically related to a kind of multi-functional classroom deformation desk for teaching and test.
Background technology
Universal along with quality-oriented education gos deep into, and instructional mode becomes the most single, and as homework mechanical major has teaching, lecture, discussion reply, design class and laboratory etc., the function of classroom facility becomes various the most therewith.Desk and chair is one of school classroom requisite facility of teaching, but the desk and chair in current classroom limits the variation of instructional mode, and classroom learning atmosphere is troubling.It is desirable to the structure by improving this kind of teaching facilities and form, be allowed to adapt to diversified instructional mode, build good academic environment and atmosphere.
Before the nineties in last century, major part school of China all uses tradition desk.Typically being made up of wood materials, manufacturer is numerous.Its simple in construction, form is single, and pattern is the most inflexible, it is impossible to save space, classroom, uses level of comfort general.Along with using the raising required, tradition desk and chair is the most progressively substituted by novel metal desk and chair.
At present, major part colleges and universities are all the metal townhouse desk and chairs used.Typically it is made up of timber and metal material Combined machining, mostly is the area such as Guangdong, Fujian manufacturer production.Its major advantage is to save space, can accommodate more student, and simple in construction, easy to use, but defect is heaviness and can not move and adjust.
Along with deepening continuously of quality-oriented education, instructional mode becomes abundant, in the urgent need to deforming to adapt to the desk of seminar course, but yet there are no this series products in the market.Abroad propose the deformation for seminar course and table concept map is discussed, but have not seen product.China then has no any information that can be used for seminar course tables and chairs, a kind of changeable table being increased desk usable floor area by simple concatenation of the Guangzhou only sold in Taobao production, but its particular use undeclared.
In sum, current desk is not suitable with multi-teaching-method (lecture, discussion, microteaching etc.) requirement, so we are necessary to develop the deformation desk and chair of the comprehensive instructional mode of a adaptation, make it can not only meet common classroom and use demand, also can meet microteaching, top class in a kindergarten's lecture, laboratory, designing and mapping class, discuss and the needs such as debate class.
Summary of the invention
The technical problem to be solved is the deficiency for above-mentioned existence, there is provided one can not only meet common classroom and use demand, the regulation of deformation and elevation angle can also be carried out, meet the needs of dissimilar course, improve actually used ability, there is the multi-functional classroom deformation desk of more broad applicability.
The technical solution adopted for the present invention to solve the technical problems is:
Multi-functional classroom deformation desk, include the desk body of table leg, desktop and connection, wherein desktop is 60 degree of sector structures, it is characterized in that: described desktop includes the intermediate plate of bottom and covers a pair expansion plate above intermediate plate, slide rail is installed bottom expansion plate, can separate and gathering to two Slideslips, expansion plate is 30 degree of sector structures, and intermediate plate can be completely covered after gathering;Being connected in desk body by deformation module bottom described expansion plate, deformation module includes four-bar mechanism, and two bars of the four-bar mechanism left and right sides connection sliding block and contiguous block respectively, wherein slide block is drive end, is arranged in the slideway bottom expansion plate;Contiguous block is hinged bottom driven end, with intermediate plate, and can drive intermediate plate elevating movement.
In such scheme, described table leg is liftable structure, it is divided into upper table leg and lower table leg two sections, and at connecting portion, electronic controlled height adjustment being installed, electronic controlled height adjustment includes the tooth bar being arranged in lower table leg and the gear being arranged in upper table leg, gear and tooth bar engagement and is connected, and at lower table leg, the rocking handle for rotating gear is installed, by the rotation of rocking handle, driven gear rotates and produces displacement between tooth bar, thus realizes table leg elevating function.
In such scheme, described slideway is divided into two-stage structure, is respectively the arc section with desktop concentric in the outer part, and curved section in the inner part, connects for smoothed curve between two sections.
In such scheme, slip extreme position in described slide rail is also equipped with ball spring, matched Baltimore groove is installed bottom expansion plate, when expansion plate slides into extreme position, ball spring can be upspring automatically, and corresponding with Baltimore groove, the effect of location will be played, expansion plate is well fixed.
In such scheme, described desk body is internal cavity structure, and is provided with drawer, is used for depositing article.
In such scheme, inside described table leg, along table leg height is equidistant, multiple hook is installed.
The principle of the present invention is:
Control to hide below former desktop the lifting of desktop by quadric chain.Its innovative point is that Desktop Dimensions is variable, realizes deformation with simple mechanism.Before not deformed, tabletop shape is 60 ° of sectors, can meet demand of commonly attending class, and amasss and double into 120 ° of sectors after deformation, can meet classroom experiment and demand is discussed.
The motion of integrated model is built upon in the slip of slide block, as a example by left half of expansion plate, when slide block is to left movement, the motion of quadric chain can be driven, so that contiguous block upwards lifting certain distance, this segment distance makes expansion plate and intermediate plate be maintained at a horizontal plane.Sliding in slide block slideway below expansion plate, just start, the track of slideway is and overall desk concentric circular, and therefore, when expansion plate slides to both sides, slide block does not move.When somewhat changing the track of slideway, when slide block slides into curved section, slide block is forced to produce to the left displacement so that integrated model setting in motion, pulls contiguous block to move, and drives intermediate plate to rise, and finally keeps certain form.
When expansion plate slips off two ends, the ball spring in slide rail can be upspring automatically, and corresponding with the Baltimore groove bottom expansion plate, will play the effect of location, well be fixed by expansion plate.
In order to be able to allow the user of different height situation can use comfortable, therefore devise tables and chairs height adjustment mechanism module.Design to be coordinated by wheel and rack and realize tables and chairs altitude mixture control, the rocking handle on hand table leg, control the rotation of gear, make tooth bar move by the cooperation of rack-and-pinion and adjust table height.
For convenience of actually used needs, at desktop envisaged underneath drawer, it is simple to storage study experimental article, the table leg of desk both sides is set up hook and facilitates thing such as hook life study article such as school bag, umbrella etc., strengthen the actually used ability of product
The present invention's it is a technical advantage that:
Common classroom can not only be met and use demand, it is also possible to carry out the regulation of deformation and elevation angle, meet the needs of dissimilar course, improve actually used ability, there is more broad applicability.
Accompanying drawing explanation
Fig. 1 is the overall structure front view of the embodiment of the present invention;
Fig. 2 is the right pseudosection of overall structure of the embodiment of the present invention;
Fig. 3 is the deformation module structural representation of the embodiment of the present invention;
Fig. 4 is the slideway structure schematic diagram of the embodiment of the present invention;
In figure: 1 table leg, 2 desk body, 3 intermediate plates, 4 expansion plates, 5 slide blocks, 6 contiguous blocks, 7 slideways, 8 tooth bars, 9 gears, 10-rocking handle, 11 arc sections, 12-curved section, 13 hooks.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is further illustrated:
Multi-functional classroom deformation desk as shown in Fig. 1 Fig. 2 Fig. 3 Fig. 4, include the desk body 2 of table leg 1, desktop and connection, wherein desktop is 60 degree of sector structures, described desktop includes the intermediate plate 3 of bottom and covers a pair expansion plate 4 above intermediate plate 3, bottom expansion plate 4, slide rail is installed, can separate and gathering to two Slideslips, expansion plate 4 is 30 degree of sector structures, and intermediate plate 3 can be completely covered after gathering;Being connected in desk body 2 by deformation module bottom described expansion plate 4, deformation module includes four-bar mechanism, and two bars of the four-bar mechanism left and right sides connection sliding block 5 and contiguous block 6 respectively, wherein slide block 5 is drive end, is arranged in the slideway 7 bottom expansion plate 4;Contiguous block 6 is hinged bottom driven end, with intermediate plate 3, and can drive intermediate plate 3 elevating movement.
In the present embodiment, described table leg 1 is liftable structure, it is divided into upper table leg and lower table leg two sections, and at connecting portion, electronic controlled height adjustment being installed, electronic controlled height adjustment includes the tooth bar 8 being arranged in lower table leg and the gear 9 being arranged in upper table leg, gear 9 and tooth bar 8 engagement and is connected, and at lower table leg, the rocking handle 10 for rotating gear is installed, by the rotation of rocking handle 10, driven gear 9 rotates generation displacement between tooth bar 8, thus realizes table leg elevating function.
In the present embodiment, described slideway 7 is divided into two-stage structure, is respectively the arc section 11 with desktop concentric in the outer part, and curved section 12 in the inner part, connects for smoothed curve between two sections.
In the present embodiment, slip extreme position in described slide rail is also equipped with ball spring, matched Baltimore groove is installed bottom expansion plate 4, when expansion plate 4 slides into extreme position, ball spring can be upspring automatically, and corresponding with Baltimore groove, the effect of location will be played, expansion plate 4 is well fixed.
In the present embodiment, described desk body 2 is internal cavity structure, and is provided with drawer, is used for depositing article;Along table leg height is equidistant, multiple hook 13 is installed inside described table leg 1.
When the present invention uses:
As a example by left half of expansion plate, when slide block 5 is to left movement, can drive the motion of quadric chain, so that contiguous block upwards lifting certain distance, this segment distance makes expansion plate 4 and intermediate plate 3 be maintained at a horizontal plane.Sliding in the slide block 5 slideway 7 below expansion plate 4, just start, the track of slideway 7 is and the overall concentrically ringed arc section of desk 11, and therefore, when expansion plate 4 slides to both sides, slide block 5 does not move.When somewhat changing the track of slideway 7, when slide block 5 slides into curved section 12, slide block 5 is forced to produce to the left displacement so that integrated model setting in motion, pulls contiguous block 6 to move, and drives intermediate plate 3 to rise, and finally keeps certain form.
When expansion plate 4 slips off two ends, the ball spring in slide rail can be upspring automatically, and corresponding with the Baltimore groove bottom expansion plate 4, will play the effect of location, well be fixed by expansion plate 4.
The Application Example being only the present invention described above, the interest field that certainly can not limit the present invention with this, therefore change according to the equivalence that scope of the present invention patent is made, still belong to protection scope of the present invention.

Claims (5)

1. multi-functional classroom deformation desk, include the desk body of table leg, desktop and connection, wherein desktop is 60 degree of sector structures, it is characterized in that: described desktop includes the intermediate plate of bottom and covers a pair expansion plate above intermediate plate, slide rail is installed bottom expansion plate, can separate and gathering to two Slideslips, expansion plate is 30 degree of sector structures, and intermediate plate can be completely covered after gathering;Being connected in desk body by deformation module bottom described expansion plate, deformation module includes four-bar mechanism, and two bars of the four-bar mechanism left and right sides connection sliding block and contiguous block respectively, wherein slide block is drive end, is arranged in the slideway bottom expansion plate;Contiguous block is hinged bottom driven end, with intermediate plate, and can drive intermediate plate elevating movement;Described slideway is divided into two-stage structure, is respectively the arc section with desktop concentric in the outer part, and curved section in the inner part, connects for smoothed curve between two sections.
2. multi-functional classroom deformation desk as claimed in claim 1, it is characterized in that, described table leg is liftable structure, it is divided into upper table leg and lower table leg two sections, and at connecting portion, electronic controlled height adjustment is installed, electronic controlled height adjustment includes the tooth bar being arranged in lower table leg and the gear being arranged in upper table leg, gear and tooth bar engagement and is connected, and is provided with the rocking handle for rotating gear at lower table leg.
3. multi-functional classroom deformation desk as claimed in claim 1, it is characterized in that, slip extreme position in described slide rail is also equipped with ball spring, matched Baltimore groove is installed bottom expansion plate, when expansion plate slides into extreme position, ball spring can be upspring automatically, and corresponding with Baltimore groove.
4. multi-functional classroom deformation desk as claimed in claim 1, it is characterised in that described desk body is internal cavity structure, and is provided with drawer, is used for depositing article.
5. multi-functional classroom deformation desk as claimed in claim 1, it is characterised in that be provided with multiple hook along table leg height is equidistant inside described table leg.
CN201410193068.6A 2014-05-09 2014-05-09 Multifunctional transformable desk in classroom Expired - Fee Related CN104026872B (en)

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106423342A (en) * 2016-08-31 2017-02-22 苏州兴亚净化工程有限公司 Clean bench for biological medicine tests
CN107035173B (en) * 2017-04-09 2019-05-10 江西省南城县中天校具有限公司 A kind of movable type teaching classroom
CN107280233A (en) * 2017-05-31 2017-10-24 中山市翔实机械设备有限公司 A kind of Extensible table
CN108926125A (en) * 2018-07-18 2018-12-04 陈杰 A kind of practical desk for students
CN109452755A (en) * 2018-11-09 2019-03-12 安徽爱就爱家具制造有限公司 A kind of interlayer and the packaged type furniture dining table that saves floor occupying area
CN109316675B (en) * 2018-11-16 2021-03-30 厦门大学嘉庚学院 Portable rapid supporting lifesaving net device and working method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2098233A (en) * 1934-11-12 1937-11-09 Giles Norman Stanley Extension table
CN2466972Y (en) * 2001-02-26 2001-12-26 饶祖朋 Table with top of variable height and dip
CN2899574Y (en) * 2006-05-15 2007-05-16 黄志辉 Sliding type movable table top structure
CN202618785U (en) * 2012-02-27 2012-12-26 刘宾 Multifunctional folding table
CN203814914U (en) * 2014-05-09 2014-09-10 中国地质大学(武汉) Multifunctional classroom transformable desk

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2098233A (en) * 1934-11-12 1937-11-09 Giles Norman Stanley Extension table
CN2466972Y (en) * 2001-02-26 2001-12-26 饶祖朋 Table with top of variable height and dip
CN2899574Y (en) * 2006-05-15 2007-05-16 黄志辉 Sliding type movable table top structure
CN202618785U (en) * 2012-02-27 2012-12-26 刘宾 Multifunctional folding table
CN203814914U (en) * 2014-05-09 2014-09-10 中国地质大学(武汉) Multifunctional classroom transformable desk

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Granted publication date: 20170111

Termination date: 20200509