CN106993890A - A kind of rotary opening multifunctional desk - Google Patents

A kind of rotary opening multifunctional desk Download PDF

Info

Publication number
CN106993890A
CN106993890A CN201710219085.6A CN201710219085A CN106993890A CN 106993890 A CN106993890 A CN 106993890A CN 201710219085 A CN201710219085 A CN 201710219085A CN 106993890 A CN106993890 A CN 106993890A
Authority
CN
China
Prior art keywords
slide rail
connecting rod
hinged
degree
rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710219085.6A
Other languages
Chinese (zh)
Inventor
王三民
颉晓欣
裴安
郑维彤
黄雄
李�浩
邢天倚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northwestern Polytechnical University
Original Assignee
Northwestern Polytechnical University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Northwestern Polytechnical University filed Critical Northwestern Polytechnical University
Priority to CN201710219085.6A priority Critical patent/CN106993890A/en
Publication of CN106993890A publication Critical patent/CN106993890A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B41/00School desks or tables
    • A47B41/02Adjustable, inclinable, sliding or foldable desks tops
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B41/00School desks or tables
    • A47B41/04Drawing or model stands
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2200/00General construction of tables or desks
    • A47B2200/0035Tables or desks with features relating to adjustability or folding
    • A47B2200/004Top adjustment
    • A47B2200/0047Extension leaf swiveling on two support arms

Landscapes

  • Combinations Of Kitchen Furniture (AREA)

Abstract

The invention discloses a kind of rotary opening multifunctional desk, it is made up of top table face, auxiliary table surface, parallel-crank mechanism, master connecting-rod, slave connecting rod, slide rail and table leg;The connecting rod of parallel-crank mechanism is hinged with interior slide rail and auxiliary table surface respectively;Pull bar one end and the rod hinge connection of parallel-crank mechanism, the other end are hinged with sliding block.There is through hole to be sleeved on the projecting shaft in top table face and be connected with the pitch axis on table leg in the middle of master connecting-rod, master connecting-rod two ends are hinged with two slave connecting rods, the center of two slave connecting rods and two connecting rod slide rail connectors is hinged, and connecting rod slide rail connector two ends and interior slide rail on two slide rails are affixed;Two slide rails are connected with top table side by desktop slide rail connecting plate, screw, and the pitch axis, index dial and alignment pin of top-adjustable are provided with table leg.Top table face rotates 90 degree, realizes that top table face is combined with auxiliary table surface;Backwards rotation desktop packs up auxiliary table surface to realize that desk is used, and its is simple in construction, using easy to operate.

Description

A kind of rotary opening multifunctional desk
Technical field
The present invention relates to realia technical field, specifically, it is related to a kind of engineering and polytechnic universities student and is drawing with attending class The rotary opening multifunctional desk that patten transformation is used.
Background technology
Desk is essential apparatus in learning life, and traditional desktop size can not change, at school pattern Desk used in lower can not meet the size of drawing desktop, and meet the drawing table of picture size of desktop at school pattern when account for Ground area is big, the waste for causing break handicapped with space resources.If specially setting drawing classroom, not only make student because frequency Numerous waste for hurrying back and forth and causing time resource between study classroom and drawing classroom, also makes a large amount of classrooms often in idle State and the waste for causing space resources.
A kind of multifunctional desk is disclosed in the A of patent CN 105266384, the desk is integrated in one drawing is learnt, though So solve conversion of the student at school under pattern and Graphics Mode, but the desk itself Desktop Dimensions can not be adjusted, it is necessary to logical Cross placement drawing board to realize the extension of Desktop Dimensions, its structure operation is heavy, cumbersome.
The content of the invention
In order to avoid the deficiency that prior art is present, the present invention proposes a kind of rotary opening multifunctional desk;The desk Size is used to change desktop by rotating table top, itself size of desktop changes without other servicing units, and structure letter Single, simple operation.
The technical solution adopted for the present invention to solve the technical problems is:Including top table face, auxiliary table surface, parallelogram machine Structure, master connecting-rod, slave connecting rod, slide rail, table leg, pull bar, interior slide rail, sliding block, pitch axis, index dial, alignment pin, the connection of desktop slide rail Plate, connecting rod slide rail connector, connecting rod one end of the parallel-crank mechanism are hinged with the interior slide rail on slide rail, the other end and pair Desktop is hinged, and through hole is provided with a connecting rod axis of parallel-crank mechanism, and be hinged with pull bar one end, the pull bar other end It is hinged with the sliding block on slide rail, sliding block is embedded in the chute of slide rail, has through hole to be sleeved on top table face in the middle of the master connecting-rod It is connected on projecting shaft and with the pitch axis on table leg, the one end of master connecting-rod two ends respectively with two slave connecting rods is hinged, two pairs are even Centre of the other end of bar respectively with two connecting rod slide rail connectors is hinged, and the two ends of connecting rod slide rail connector are respectively with two Interior slide rail on individual slide rail is affixed, and two connecting rod slide rail connectors are symmetrically installed, and two slide rails pass through with top table surface side end face Desktop slide rail connecting plate, screw are connected, and the pitch axis, index dial and positioning of top-adjustable pitching are provided with the table leg Pin, the pitch axis is used to adjust the angle between top table face and table leg, and is positioned by alignment pin, the index dial position In table leg top, two index dials are connected with the two ends of pitch axis respectively, have multiple through holes on index dial, fix respectively 60 Degree, 75 degree, 90 degree, 105 degree and 120 degree, alignment pin, which is passed through, to be indexed disk hole and inserts in table leg hole, realizes that desktop luffing angle is fixed Position.
90 degree of rotation can be carried out between the top table face and the table leg, rotation portion is provided with position-limit mechanism, makes it 0 Can be relatively stuck when degree is with 90 degree.
The master connecting-rod drives the slave connecting rod, auxiliary table surface is stretched out and the split of top table face, top table side with same-phase Alignment pin is provided with auxiliary table surface side, in major-minor desktop split by positioning finger setting;Parallel-crank mechanism is in major-minor table With slide rail into the angle more than 90 degree after the split of face, and interior slide rail moves to limiting condition, forms the self-locking of auxiliary table surface.
Limited location pin between parallel-crank mechanism and interior slide rail, for preventing auxiliary table surface from being contacted when packing up with slide rail.
Beneficial effect
The present invention discloses a kind of rotary opening multifunctional desk, by top table face, auxiliary table surface, parallel-crank mechanism, master Connecting rod, slave connecting rod, slide rail and table leg composition;Connecting rod one end of parallel-crank mechanism is hinged with the interior slide rail on slide rail, another End is hinged with auxiliary table surface, and through hole is provided with parallel-crank mechanism a link centerline, is fitted with pull bar, pull bar and Sliding block in slide rail chute is hinged, and through hole is provided with the middle of master connecting-rod, and be nested on the axle of table leg.The two ends of master connecting-rod respectively with Two slave connecting rods are hinged, and slave connecting rod is hinged with connecting rod slide rail connector, the two ends of connecting rod slide rail connector respectively with two Interior slide rail on slide rail is affixed.Slide rail and top table surface side end face are by desktop slide rail connecting plate, mode connects for screw, top table face and table leg There are the pitch axis, index dial and alignment pin of top-adjustable pitching on upper pitch axis connection, table leg.
Rotary opening multifunctional desk of the present invention, by the way that desktop is rotated into 90 degree, realizes auxiliary table surface under top table face Stretch out, and a large table surface satisfaction is spliced into top table face and use picture needs.The class hour on student, counter-rotating desktop makes pair Desktop is packed up, and is reduced desk floor space, is realized that desk, drawing table are dual-purpose, its is simple in construction, using easy to operate.
Brief description of the drawings
A kind of rotary opening multifunctional desk of the invention is made further specifically with embodiment below in conjunction with the accompanying drawings It is bright.
Fig. 1 is rotary opening multifunctional desk axonometric drawing of the present invention.
Fig. 2 is rotary opening multifunctional desk structural representation of the present invention.
Fig. 3 is the master connecting-rod and slave connecting rod installation position schematic diagram of rotary opening multifunctional desk of the present invention.
Fig. 4 is the quadrangular mechanism partial perspective view of rotary opening multifunctional desk of the present invention.
Fig. 5 is the index dial installation position schematic diagram of rotary opening multifunctional desk of the present invention.
In figure:
1. the sliding block 8. of slide rail 7. is led in the slide rail 6. of top table face 2. auxiliary table surface, 3. parallel-crank mechanism, 4. pull bar 5. The desktop of 14. connecting rod slide rail connector of connecting rod 9. slave connecting rod, 10. table leg, 11. pitch axis, 12. index dial, 13. alignment pin 15. Slide rail connecting plate
Embodiment
The present embodiment is a kind of rotary opening multifunctional desk.
Refering to Fig. 1~Fig. 5, the present embodiment rotary opening multifunctional desk, by top table face 1, two auxiliary table surfaces 2, four Parallel-crank mechanism 3, master connecting-rod 8, two slave connecting rods 9, four slide rails 5, table leg 10, pull bar 4, interior slide rail 6, sliding block 7, pitching Axle 11, two index dials 12, two alignment pins 13 and two desktop slide rail connecting plates 15, two 14 groups of connecting rod slide rail connectors Into;Wherein, connecting rod one end of parallel-crank mechanism 3 is hinged with the interior slide rail 6 on slide rail 5, and the other end is hinged with auxiliary table surface 2; There is through hole on a piece connecting rod axis of parallel-crank mechanism 3 and be hinged with the one end of pull bar 4, on the other end of pull bar 4 and slide rail 5 Sliding block 7 be hinged, sliding block 7 is embedded in the chute of slide rail 5.There is through hole to be sleeved on the projecting shaft in top table face 1 in the middle of master connecting-rod 8 On, and be connected with the pitch axis 11 of table leg 10;The one end of the two ends of master connecting-rod 8 respectively with two slave connecting rods 9 is hinged, two slave connecting rods Centre of 9 other end respectively with two connecting rod slide rail connectors 14 is hinged, the two ends difference of connecting rod slide rail connector 14 It is fixedly connected with the interior slide rail 6 on two slide rails 5;Two slide rails 5 and the side end face of top table face 1 by desktop slide rail connecting plate 15, Screw is fixedly connected.There are the pitch axis 11, index dial 12 and alignment pin 13 of top-adjustable pitching on table leg 10;Pitch axis 11 is used Angle between regulation top table face 1 and table leg 10, and positioned by alignment pin 13.Index dial 12 is arranged on table leg 10 Portion, two ends of two index dials 12 respectively with pitch axis 11 are fixedly connected.Multiple through holes, the present embodiment are machined with index dial 12 In for five through holes, five through holes fix as 60 degree, 75 degree, 90 degree, 105 degree and 120 degree respectively, and alignment pin 13 is through index dial Hole is interference fitted in insertion table leg hole with it, realizes that desktop luffing angle is positioned.
In the present embodiment, master connecting-rod 8 drives slave connecting rod 9, and two auxiliary table surfaces 2 of synchronous expansion make auxiliary table surface 2 be stretched with same-phase Go out with the split of top table face 1, when auxiliary table surface 2 deploys, rotate top table face 1, master connecting-rod 8 is relatively rotated with top table face 1, master connecting-rod 8 two slave connecting rods 9 of synchronous drive are to two lateral movements, and two slave connecting rods 9 drive interior slide rail 6 outside by connecting rod slide rail connector 14 Stretch out, power is transmitted to auxiliary table surface 2, realizes flexing outward for auxiliary table surface 2 by interior slide rail 6.The side of top table face 1 is set with the side of auxiliary table surface 2 There is alignment pin, at top table face 1 and 2 split of auxiliary table surface by positioning finger setting.Parallel-crank mechanism 3 is in top table face 1 and pair With slide rail 5 into the angle more than 90 degree after the split of desktop 2, and interior slide rail 6 moves to limiting condition, forms the self-locking of auxiliary table surface 2. Spacer pin is provided between parallel-crank mechanism 3 and interior slide rail 6, for preventing auxiliary table surface 2 from being contacted when packing up with slide rail 5.
Operating process
In the present embodiment, parallel-crank mechanism is that two an equal amount of connecting rods are collectively constituted with slide rail 5 and auxiliary table surface 2 Parallelogram a, wherein connecting rod is connected with pull bar 4.Pull bar 4 is hinged with sliding block 5, and sliding block 5 is arranged in chute corresponding thereto Slide.When auxiliary table surface 2 deploys, interior slide rail 6 is pushed out by connecting rod slide rail connector 14, drives auxiliary table surface 2 to flex outward out, Pull bar 4 is moved with movable slider 5 in chute, when sliding block 5 moves to chute extreme end, and pull bar 4 pulls parallel-crank mechanism It is relatively rotated around interior slide rail 6, be lifted up auxiliary table surface 2, alignment pin thereon coordinates with the groove on top table face 1, makes Two desktops complete splicing.When two desktops complete to splice, the angle of parallel-crank mechanism and interior slide rail is changed into blunt from acute angle Angle, interior slide rail 6 moves to limit distal end, and when auxiliary table surface 2 is by downward pressure, interior slide rail is by from parallelogram machine The pulling force of structure, so as to form the self-locking of structure.
Master connecting-rod 8 is fixed with pitch axis 11 and welded, and pitch axis 11 is fixed with index dial 12 and welded.When tabletop angles need to adjust During section, alignment pin 13 is unpluged, desktop is overall to be rotated with pitch axis 11 for pivot, is carried out again by alignment pin 13 afterwards Positioning, so as to complete rotation regulation of the tabletop angles between positive and negative 30 degree.
90 degree of rotation can be carried out between top table face 1 and table leg 10, the rotation portion of connection is provided with position-limit mechanism, makes desk , i.e., can be relatively stuck in 0 degree and 90 degree under two kinds of use states.Top table face rotates 90 degree, realizes top table face and auxiliary table surface Combination;Backwards rotation desktop packs up auxiliary table surface to realize that desk is used, and desk is simple in construction, using easy to operate.

Claims (4)

1. a kind of rotary opening multifunctional desk, it is characterised in that:Including top table face, auxiliary table surface, parallel-crank mechanism, master Connecting rod, slave connecting rod, slide rail, table leg, pull bar, interior slide rail, sliding block, pitch axis, index dial, alignment pin, desktop slide rail connecting plate, company Bar slide rail connector, connecting rod one end of the parallel-crank mechanism is hinged with the interior slide rail on slide rail, the other end and auxiliary table surface It is hinged, through hole is provided with a connecting rod axis of parallel-crank mechanism, and be hinged with pull bar one end, the pull bar other end and cunning Sliding block on rail is hinged, and sliding block is embedded in the chute of slide rail, has through hole to be sleeved on the stretching in top table face in the middle of the master connecting-rod It is connected on axle and with the pitch axis on table leg, the one end of master connecting-rod two ends respectively with two slave connecting rods is hinged, two slave connecting rods Centre of the other end respectively with two connecting rod slide rail connectors is hinged, the two ends of connecting rod slide rail connector respectively with two cunnings Interior slide rail on rail is affixed, and two connecting rod slide rail connectors are symmetrically installed, and two slide rails pass through desktop with top table surface side end face Slide rail connecting plate, screw are connected, and the pitch axis, index dial and alignment pin of top-adjustable pitching, institute are provided with the table leg Stating pitch axis is used to adjust the angle between top table face and table leg, and is positioned by alignment pin, and the index dial is located at table Leg top, two index dials are connected with the two ends of pitch axis respectively, there is multiple through holes on index dial, fix respectively 60 degree, 75 Degree, 90 degree, 105 degree and 120 degree, alignment pin is inserted in table leg hole through disk hole is indexed, and realizes the positioning of desktop luffing angle.
2. rotary opening multifunctional desk according to claim 1, it is characterised in that:The top table face and the table leg Between can carry out 90 degree of rotation, rotation portion is provided with position-limit mechanism, enables it relatively stuck in 0 degree and 90 degree.
3. rotary opening multifunctional desk according to claim 1, it is characterised in that:The master connecting-rod drives the pair Connecting rod, makes auxiliary table surface be stretched out with same-phase and the split of top table face, and top table side is provided with alignment pin with auxiliary table surface side, in major-minor By positioning finger setting during desktop split;Parallel-crank mechanism is after major-minor desktop split with slide rail into the folder more than 90 degree Angle, and interior slide rail moves to limiting condition, forms the self-locking of auxiliary table surface.
4. rotary opening multifunctional desk according to claim 1, it is characterised in that:Parallel-crank mechanism and interior cunning Limited location pin between rail, for preventing auxiliary table surface from being contacted when packing up with slide rail.
CN201710219085.6A 2017-04-06 2017-04-06 A kind of rotary opening multifunctional desk Pending CN106993890A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710219085.6A CN106993890A (en) 2017-04-06 2017-04-06 A kind of rotary opening multifunctional desk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710219085.6A CN106993890A (en) 2017-04-06 2017-04-06 A kind of rotary opening multifunctional desk

Publications (1)

Publication Number Publication Date
CN106993890A true CN106993890A (en) 2017-08-01

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CN201710219085.6A Pending CN106993890A (en) 2017-04-06 2017-04-06 A kind of rotary opening multifunctional desk

Country Status (1)

Country Link
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109555767A (en) * 2018-12-13 2019-04-02 湖南寰宇新材料科技股份有限公司 A kind of combination type plate fitment
CN110507984A (en) * 2018-05-22 2019-11-29 仁宝电脑工业股份有限公司 Game device
CN111000368A (en) * 2019-12-24 2020-04-14 武汉理工大学 Clean dining table of mechanical type intelligence
CN112413233A (en) * 2020-12-04 2021-02-26 安徽特思通管路技术有限公司 Convenient fastening device for turbocharging pipe
CN115316783A (en) * 2022-08-27 2022-11-11 乐歌人体工学科技股份有限公司 Electric lifting table with body-building rod

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2735841Y (en) * 2004-07-03 2005-10-26 朱高雄 Multifunctional desk
KR100843176B1 (en) * 2007-04-19 2008-07-03 백 술 최 A desk
CN103653746A (en) * 2013-12-11 2014-03-26 苏州市职业大学 Folding-type multipurpose drawing combined desk and chair
CN105266384A (en) * 2015-05-28 2016-01-27 长春大学 Multifunctional desk

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2735841Y (en) * 2004-07-03 2005-10-26 朱高雄 Multifunctional desk
KR100843176B1 (en) * 2007-04-19 2008-07-03 백 술 최 A desk
CN103653746A (en) * 2013-12-11 2014-03-26 苏州市职业大学 Folding-type multipurpose drawing combined desk and chair
CN105266384A (en) * 2015-05-28 2016-01-27 长春大学 Multifunctional desk

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110507984A (en) * 2018-05-22 2019-11-29 仁宝电脑工业股份有限公司 Game device
CN109555767A (en) * 2018-12-13 2019-04-02 湖南寰宇新材料科技股份有限公司 A kind of combination type plate fitment
CN111000368A (en) * 2019-12-24 2020-04-14 武汉理工大学 Clean dining table of mechanical type intelligence
CN112413233A (en) * 2020-12-04 2021-02-26 安徽特思通管路技术有限公司 Convenient fastening device for turbocharging pipe
CN115316783A (en) * 2022-08-27 2022-11-11 乐歌人体工学科技股份有限公司 Electric lifting table with body-building rod
CN115316783B (en) * 2022-08-27 2024-04-19 乐歌人体工学科技股份有限公司 Electric lifting table with body-building rod

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Application publication date: 20170801

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