CN105029913B - Easy turnover type tables and chairs - Google Patents

Easy turnover type tables and chairs Download PDF

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Publication number
CN105029913B
CN105029913B CN201510457563.8A CN201510457563A CN105029913B CN 105029913 B CN105029913 B CN 105029913B CN 201510457563 A CN201510457563 A CN 201510457563A CN 105029913 B CN105029913 B CN 105029913B
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CN
China
Prior art keywords
leg
chair
table leg
turnover type
swing component
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.)
Expired - Fee Related
Application number
CN201510457563.8A
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Chinese (zh)
Other versions
CN105029913A (en
Inventor
张丰收
李斯文
万富春
杨星星
孟鑫
王团锋
李鹏飞
董芳
夏深宝
刘湃
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Henan University of Science and Technology
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Henan University of Science and Technology
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Filing date
Publication date
Priority to CN201510017893 priority Critical
Priority to CN2015100178935 priority
Application filed by Henan University of Science and Technology filed Critical Henan University of Science and Technology
Priority to CN201510457563.8A priority patent/CN105029913B/en
Publication of CN105029913A publication Critical patent/CN105029913A/en
Application granted granted Critical
Publication of CN105029913B publication Critical patent/CN105029913B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The present invention relates to easy turnover type tables and chairs.The bottom of table leg is provided with the table leg articulated structure of pedestal table part swing in easy turnover type tables and chairs, the bottom of chair leg is provided with the chair leg articulated structure for chair part swing, and table part and chair part have that mutually draws close to pack up position and the open position being located remotely from each other respectively on respective oscillating stroke;Easy turnover type tables and chairs also include the co-axially fixed chair leg swing component of the axis of oscillation of table leg swing component and chair leg and the connecting rod being hinged between table leg swing component and chair leg swing component being coaxially hinged with the axis of oscillation of table leg, connecting rod and table leg swing component and chair leg swing component constitute reverse quadric chain, and table leg swing component, which is provided with, to be used to coordinate only to drive table part when position is moved to packing up the unidirectional Stop structure that position is moved to packing up in chair part along swaying direction block with table leg.Above-mentioned easy turnover type tables and chairs can be to concede passage space by personnel in order to which personnel pass in and out, and simple in construction, connection is reliable, cost is low.

Description

Easy turnover type tables and chairs
Technical field
The present invention relates to easy turnover type tables and chairs.
Background technology
Institution of higher education further expand the enrollment scale decision-making put into effect after, all, national universities enrollment and in school Stranger's number has turned over many than 1998 respectively.In recent years China student enrollment accounted for the 14% of population of the same age, to 2010 Chinese college students have reached 30,000,000, and university classroom is very crowded, and the market potential representated by Chinese college students will also become to get over Come bigger.With the increase that country puts into higher education, University Logistics social reform is also progressively going deep into, and colleges and universities' hardware facility should Attain a new height, and colleges and universities' desk and chair is as the hardware facility closely bound up with College Students'Learning that its design science rationally seems It is particularly urgent.At present, what the conjunction class classroom of most of school was installed is essentially all traditional fixation platoon formula tables and chairs, this table Chair uses unitary design, is fixedly mounted on the ground, seat, which is hinged on Chair support, can overturn folding, overall structure letter Single, neat specification, is socially widely used, but after the position that a Connectible row chairs and deskses keep to the side occupies people, if personnel are needed to one The centre position of Connectible row chairs and deskses, due to closely spaced between tables and chairs, the personnel kept to the side are accomplished by standing up empty to vacate walking Between, teacher and other classmates are influenced whether, meanwhile, being limited by the interval between tables and chairs can also cause very very much not to the cleaning on ground Just.
Application No. 201420200117.X, Authorization Notice No. disclose one kind for the U of CN 203828429 Chinese patent Abdominal contraction tables and chairs are combined, including table part and chair part, and table part includes the column of desktop and seat table leg, desktop and column it Between formed chair part receiving space;Chair part includes seat, rear chair leg, knee and support bar, and knee and support bar are hinged on chair Between the seat plain in face and the column of table part, parallel-crank mechanism is constituted, can rotate and be retracted into chair part collecting sky Between in or be lowered into ground.Knee has the front chair leg part being connected with seat plain, and rear chair leg is hinged on seat plain rear portion Chair leg is constituted with the front chair leg of knee.At hinge axis between support bar and seat plain, between rear chair leg and seat plain Linkage gear is also set up at hinge axis so that rear chair leg can the folding and unfolding with the folding and unfolding of seat, seat is formed surely when putting down Fixed support.Packed up although above-mentioned tables and chairs combination can be realized, facilitate cleaning, if there is personnel to pass through, the personnel sat down Still need to stand up and pack up chair part to concede passage space, can not equally meet the requirement of easy access, and need Using gear drive, high processing costs are high to Structural strength calls.
The content of the invention
It is an object of the invention to provide a kind of passage space can be conceded in order to which what personnel passed in and out easily enters to pass through personnel Go out type tables and chairs.
The technical scheme of easy turnover type tables and chairs use is in the present invention:Easy turnover type tables and chairs, including table part and chair part, The table part includes table leg, and the chair part includes chair leg, and the bottom of the table leg is provided with the table of pedestal table part swing Leg articulated structure, the bottom of leg is provided with the chair leg articulated structure for chair part swing, the table part and chair portion Part has that mutually draws close to pack up position and the open position being located remotely from each other respectively on respective oscillating stroke;The easy turnover type table Chair also includes table leg swing component, the co-axially fixed chair leg pendulum of axis of oscillation with chair leg being coaxially hinged with the axis of oscillation of table leg Moving part and the connecting rod being hinged between table leg swing component and chair leg swing component, the connecting rod and table leg swing component and chair leg swing component Reverse quadric chain is constituted, the table leg swing component, which is provided with, to be used to along swaying direction block coordinate with only in chair portion with table leg Part drives table part to packing up the unidirectional Stop structure that position is moved to packing up when position is moved.
It is connected with leg for applying the chair leg torsion spring towards the active force for packing up position swing to chair leg.
The table leg torsion spring for applying the active force swung towards open position to table leg is connected with the table leg.
The table leg includes preceding table leg and rear table leg arranged in parallel in the longitudinal direction, and the table leg articulated structure includes For fixed to the table leg seat on ground, the preceding table leg and rear table leg be hinged on table leg seat and table part desktop it Between and form parallel-crank mechanism.
The rear table leg is telescopic legs.
The bottom of the table leg has standoff features, and the bottom surface of the standoff features, which has, to be used to fit with table leg seat And block coordinates spacing the packing up locating surface and open of table part progress to pack up position and open position to moving to respectively to position Face.
The table leg seat is hinged otic placode provided with spaced apart in pairs, and the table leg is hinged on corresponding two and is hinged otic placode Between.
The table leg swing component is the plate for being shaped as triangle, the two of which corner of the plate respectively with the company Bar and table leg seat are hinged, and the unidirectional Stop structure is the block axle in one corner of residue for being fixed on plate.
Leg articulated structure includes the chair leg seat for being used to be fixed on ground, and leg seat is provided with chair leg axle Hold, the chair part has chair leg rotating shaft and by chair leg rotating shaft and the cooperation swing of chair leg bearing, on leg seat Provided with stopper slot, the stopper slot, which has, to be used to coordinate to pack up position and open position to moving to along swaying direction block with chair leg Chair part spacing pack up limited wall and open limited wall.
Leg includes chair leg support column, leg rotating shaft set perpendicular to chair leg support column and with chair leg branch Dagger is fixedly connected.
The present invention uses above-mentioned technical proposal, and table leg and chair leg are able to be hinged knot by table leg articulated structure and chair leg Structure is in open position and packs up swing between position, the easy turnover type tables and chairs also include table leg swing component, chair leg swing component and The connecting rod between table leg swing component and chair leg swing component is hinged on, connecting rod constitutes reverse four with table leg swing component and chair leg swing component Linkage, the table leg swing component be provided be used for the table leg along swaying direction block coordinate with chair part to opening The unidirectional Stop structure that table part is moved to open position is driven during the motion of position, therefore, by reverse quadric chain and unidirectional gear Only structure, chair part can be moved to packing up position simultaneously to table part is packed up when position is moved, in the feelings without librarian use tables and chairs Larger passage space is formed under condition;When chair part is opened, it is released from because the block of unidirectional Stop structure and table leg coordinates, chair portion Part can be moved to open position or moved to position is packed up under external force, so that after personnel sit down still table part can transport Move and pack up position, larger passage space is formed in the case where there are librarian use tables and chairs, compared with prior art, people can be easy to Member's turnover, meanwhile, table part and chair part are simple in construction by the way of connecting rod connection, it is low to connect reliable, cost.
Brief description of the drawings
Fig. 1 is the front view of easily one embodiment of turnover type tables and chairs of the invention;
Fig. 2 is Fig. 1 right view;
Fig. 3 is Fig. 2 top view;
Fig. 4 is Fig. 1 left view;
Fig. 5 is the attachment structure schematic diagram of reverse quadric chain in Fig. 2;
Fig. 6 is the structural representation of chair leg seat upper limit position groove;
Fig. 7 is the schematic diagram of the standoff features of table leg bottom;
Fig. 8 is the stereogram of easily one embodiment of turnover type tables and chairs of the invention;
Fig. 9 is structural representation when desktop is steeved in Fig. 4;
Figure 10 is the use state schematic diagram of easily one embodiment of turnover type tables and chairs of the invention.
Each reference is corresponding entitled in figure:Table leg after table leg before 1- table parts, 2- desktops, 3-, 4-, 5- limited blocks Structure, 6- packs up locating surface, and 7- opens locating surface, 8- table legs seat, and 9- is hinged otic placode, 10- table leg swing components, 11- block axles, 12- reinforcing plates, 13- table leg torsion springs, 14- chair parts, 15- seats, 16- chair legs, 17- chair leg support columns, 18- chair leg rotating shafts, 19- Chair leg seat, 20- stopper slots, 21- packs up limited wall, and 22- opens limited wall, and 23- chair leg torsion springs, 24- chair leg swing components, 25- connects Bar.
Embodiment
One embodiment of easily turnover type tables and chairs of the invention as shown in Fig. 1 ~ Figure 10, be it is a kind of be capable of automatic retracting it is easy enter Go out type tables and chairs, including table part 1 and chair part 14, table part 1 includes desktop 2 and table leg, and chair part 14 includes chair leg 16 and chair Face 15.
Table leg includes table leg 4 after two preceding table legs 3 and two, and table leg 4 is along desktop 2 after two preceding table legs 3 and two Left and right directions arranges that the bottom of each table leg is provided with the table leg articulated structure of the swing of pedestal table part 1, and table leg articulated structure includes Otic placode 9 is hinged for being respectively equipped with two pairs fixed to the table leg seat 8 on ground, on each table leg seat 8, the bottom of each table leg is respectively provided with The standoff features 5 between otic placode 9 are hinged for setting to corresponding two, otic placode 9 and standoff features 5 are hinged provided with mutual Corresponding hinge hole is simultaneously hinged by the jointed shaft being located in hinge hole.It can be increased using double forms for being hinged otic placode 9 and connect Contacting surface is accumulated, it is ensured that the swing stability of table leg and flexibility.The top of each table leg is hinged with desktop 2, makes the two ends point of table leg Desktop 2 is not hinged on and is hinged between otic placode 9, parallel-crank mechanism is formed, and stable support can be provided for desktop 2, and The translation of desktop 2 is realized in swing process, effectively prevents article from dropping.The bottom surface of standoff features 5 has two inclined-planes, respectively To pack up locating surface 6 and opening locating surface 7, it is respectively used to fit with table leg seat 8 and block coordinates to pack up to moving to respectively The table part 1 of position and open position carries out spacing, and positioning is reliable, accurate, and stability is good, while connecting rod 25 can be avoided to bear excessive Load, reduces the requirement to the structural strength of connecting rod 25.For the ease of access article and the bigger passage space of formation, rear table leg 4 employ the form of expansion link, are telescopic legs, and desktop 2 can be made to dig forward when needed.To mitigate table part 1 Weight, the table bucket of table part 1 is that spaced apart U-bracket is formed along the longitudinal direction by the lower section of desktop 2.
The chair leg 16 of chair part 14 includes a chair leg support column 17 and set perpendicular to chair leg support column 17 and and chair leg The chair leg rotating shaft 18 that support column 17 is fixedly connected, the bottom of chair leg 16 is provided with the chair leg seat 19 for being used to be fixed on ground, chair leg seat 19 provided with spaced apart bearing block at two or so, and the chair leg for the rolling assembling of chair leg rotating shaft 18 is respectively equipped with each bearing block Bearing, chair part 14 passes through chair leg rotating shaft 18 and the cooperation swing of chair leg bearing.It is additionally provided with the bearing block in left side spacing There are groove 20, the stopper slot 20 two to be used for the side channel walls that coordinate with chair leg 16 along swaying direction block, respectively for pair Move to and pack up the chair part 14 of position and carry out spacing packing up limited wall 21, for carrying out the chair part 14 for moving to open position Spacing opening limited wall 22, can be such that chair part 14 is rotated in setting range, it is ensured that stability.
Locating surface 6 and opening locating surface 7, and chair leg 19 upper limits of seat are packed up by the standoff features 5 of table leg Groove 20 pack up limited wall 21 and open limited wall 22, table part 1 and chair part 14 have respectively on respective oscillating stroke That mutually draws close packs up position and the open position being located remotely from each other(Respectively such as double dot dash line and position shown in solid in Figure 10), pack up position It can be adjusted as needed with the particular location of open position, it is ensured that comfort.
Easy turnover type tables and chairs also include table leg swing component 10, the pendulum with chair leg 16 being coaxially hinged with the axis of oscillation of table leg The co-axially fixed chair leg swing component 24 of shaft line and the connecting rod 25 being hinged between table leg swing component 10 and chair leg swing component 24.Table Leg swing component 10 is the plate for being shaped as triangle, the two of which corner of plate respectively with connecting rod 25 and right back table leg seat 8 On the otic placode 9 that is hinged be hinged, a remaining corner is fixed with block axle 11.To ensure on structural stability, right back table leg seat 8 Be hinged the reinforcing plate 12 that the other end for being supported on block axle 11 is also hinged with otic placode 9.Spinning is matched somebody with somebody untill chair leg swing component 24 In the swing arm of the right-hand member of chair leg rotating shaft 18, the oscillation end of connecting rod 25 one end and swing arm away from table leg is hinged.Connecting rod 25 and table leg Swing component 10 and chair leg swing component 24 constitute reverse quadric chain, in table leg swing component 10 and chair leg swing component 24 One rotates counterclockwise another when rotating clockwise.Stop part at table leg constitutes unidirectional Stop structure, is used for and table leg Coordinate to move to position is packed up to drive table part 1 when position is moved is packed up in chair part 14 along swaying direction block.
Chair leg torsion spring 23 is additionally provided between chair leg rotating shaft 18 and chair leg seat 19, position is packed up for applying direction to chair leg 16 The active force of swing;The jointed shaft of right lateral side table leg is provided with table leg torsion spring 13, is swung for applying to table leg towards open position Active force.Chair part 14 is set to pack up position motion from trend when setting chair leg torsion spring 23 to leave chair part 14 in people, simultaneously Drive table part 1 to be moved to position is packed up by reverse quadric chain and unidirectional Stop structure, realize automatic draw in.In chair part 14 move to when packing up position and the unidirectional Stop structure is released the block to table leg by reverse quadric chain, table leg torsion spring 13 Table leg can be driven to be automatically moved to open position, realization is automatically opened up, while can prevent table part 1 from rocking, it is ensured that table part 1 Stabilization.
Above-mentioned easy turnover type tables and chairs employ reverse thinking, change the way for the folding and unfolding chair that existing tables and chairs are used, and use The scheme of folding and unfolding desk, solving single chair, people takes chair after chair and becomes relatively bulky and asks than lighter Topic, and with automatic packing up function, the linkage of table part 1 and chair part 14 is realized by connecting rod 25, using laborsaving, conveniently. Meanwhile, using the cooperation of reverse quadric chain and unidirectional Stop structure, realizing the desk when chair opens can both open It can also close up(Front can be remarkable after closing up), the function that desk necessarily closes up when chair closes up.In addition, rear table leg 4 is used The structure of extension type is, it is necessary to can steeve table bucket when books are accessed in table bucket, from without bending over;Someone in front of desk By when, desktop 2 can also be steeved so that desk moves forward and backward spacing closer to human body with further enlarging table top 2, just It is remarkable in front, while facilitating the movement of persons, the use of tables and chairs can be significantly facilitated.
In the above-described embodiments, table leg employs the form of parallel-crank mechanism, and is passed respectively on chair leg 16 and table leg It is dynamic to be connected with chair leg torsion spring 23 and table leg torsion spring 13.In other embodiments of the invention, table leg can also be using other hinges The mode of connecing realizes swing, and for example with the articulated form of chair part 14, and chair leg torsion spring 23 and table leg torsion spring 13 can also Save or carry out equivalence replacement, manpower can be fully relied on when saving folding and unfolding is carried out to table part 1 and chair part 14.In addition, In the above-described embodiments, rear table leg 4 is telescopic legs, and in other embodiments, rear table leg 4 can also replace with length and fix Supporting leg.

Claims (10)

1. easy turnover type tables and chairs, including table part and chair part, the table part include table leg, the chair part includes chair leg, It is characterized in that:The bottom of the table leg is provided with the table leg articulated structure of pedestal table part swing, and the bottom of leg is set There is the chair leg articulated structure for chair part swing, the table part and chair part have respectively on respective oscillating stroke That mutually draws close packs up position and the open position being located remotely from each other;The easy turnover type tables and chairs are also including coaxial with the axis of oscillation of table leg The table leg swing component that is hinged, the co-axially fixed chair leg swing component of axis of oscillation with chair leg and it is hinged on table leg swing component and chair leg Connecting rod between swing component, the connecting rod constitutes reverse quadric chain, the table leg with table leg swing component and chair leg swing component Swing component be provided be used for table leg along swaying direction block coordinate with only in chair part to packing up when position is moved drive table part To packing up the unidirectional Stop structure that position is moved.
2. easy turnover type tables and chairs according to claim 1, it is characterised in that:It is connected with leg for chair Leg applies the chair leg torsion spring towards the active force for packing up position swing.
3. easy turnover type tables and chairs according to claim 1, it is characterised in that:It is connected with the table leg for table Leg applies the table leg torsion spring of the active force swung towards open position.
4. the easy turnover type tables and chairs according to claim 1 or 2 or 3, it is characterised in that:The table leg is included in fore-and-aft direction Upper preceding table leg and rear table leg arranged in parallel, the table leg articulated structure include the table leg seat for being used to be fixed on ground, described Preceding table leg and rear table leg are hinged between the table leg seat and the desktop of table part and form parallel-crank mechanism.
5. easy turnover type tables and chairs according to claim 4, it is characterised in that:The rear table leg is telescopic legs.
6. easy turnover type tables and chairs according to claim 4, it is characterised in that:The bottom of the table leg has spacing agllutination Structure, the bottom surfaces of the standoff features, which has, to be used to fit with table leg seat and block cooperation to moving to pack up position and beat respectively The table part of open position spacing pack up locating surface and open locating surface.
7. easy turnover type tables and chairs according to claim 4, it is characterised in that:The table leg seat is provided with paired arranged for interval Be hinged otic placode, the table leg is hinged on corresponding two and is hinged between otic placode.
8. easy turnover type tables and chairs according to claim 4, it is characterised in that:The table leg swing component is to be shaped as triangle Plate, the two of which corner of the plate is hinged with the connecting rod and table leg seat respectively, and the unidirectional Stop structure is solid It is scheduled on the block axle in one corner of residue of plate.
9. the easy turnover type tables and chairs according to claim 1 or 2 or 3, it is characterised in that:Leg articulated structure includes using Chair leg seat on fixed to ground, leg seat is provided with chair leg bearing, and the chair part has chair leg rotating shaft and passed through Chair leg rotating shaft and the cooperation swing of chair leg bearing, leg seat be provided with stopper slot, the stopper slot have be used for Chair leg coordinate along swaying direction block with packed up to moving to the chair part of position and open position carry out it is spacing pack up limited wall and Open limited wall.
10. easy turnover type tables and chairs according to claim 9, it is characterised in that:Leg includes a chair leg support column, Leg rotating shaft sets perpendicular to chair leg support column and is fixedly connected with chair leg support column.
CN201510457563.8A 2015-01-14 2015-07-30 Easy turnover type tables and chairs Expired - Fee Related CN105029913B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201510017893 2015-01-14
CN2015100178935 2015-01-14
CN201510457563.8A CN105029913B (en) 2015-01-14 2015-07-30 Easy turnover type tables and chairs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510457563.8A CN105029913B (en) 2015-01-14 2015-07-30 Easy turnover type tables and chairs

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CN105029913A CN105029913A (en) 2015-11-11
CN105029913B true CN105029913B (en) 2017-08-25

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108969228B (en) * 2018-05-18 2020-08-18 滨州医学院附属医院 Medical sickbed convenient for family members to feed patients
CN108835960B (en) * 2018-07-23 2020-07-10 浙江树人工贸有限公司 Desk and chair are corrected to disjunctor formula position of sitting

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87203924U (en) * 1987-11-02 1988-07-20 周千合 Adjustable school desks and chairs for children
CN2071911U (en) * 1990-09-25 1991-02-27 陈武起 Child health desk and chair for writing and reading
CN2080345U (en) * 1990-12-14 1991-07-10 蒋彦广 Child's foldable height-adjustable table and chair for studying
CN2174099Y (en) * 1993-10-29 1994-08-17 刘继震 Health care desk and chair for pupil
CN2353232Y (en) * 1998-12-08 1999-12-15 王同玉 Multifunction lifting desk for learning
CN2389530Y (en) * 1999-07-07 2000-08-02 蔡凤鸣 Steel-wood and steel-plastic combined desk combined with seat
CN202739212U (en) * 2012-01-17 2013-02-20 燕鸣 Health care desk and chair with backrest and knee pillow capable of adjusting position and seat capable of moving with people
CN203828429U (en) * 2014-04-23 2014-09-17 深圳职业技术学院 Collapsible desk and chair combination
CN204930809U (en) * 2015-07-30 2016-01-06 河南科技大学 A kind of easily turnover type tables and chairs

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7314248B2 (en) * 2005-03-03 2008-01-01 Robert Alan Mabon Portable workstation

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87203924U (en) * 1987-11-02 1988-07-20 周千合 Adjustable school desks and chairs for children
CN2071911U (en) * 1990-09-25 1991-02-27 陈武起 Child health desk and chair for writing and reading
CN2080345U (en) * 1990-12-14 1991-07-10 蒋彦广 Child's foldable height-adjustable table and chair for studying
CN2174099Y (en) * 1993-10-29 1994-08-17 刘继震 Health care desk and chair for pupil
CN2353232Y (en) * 1998-12-08 1999-12-15 王同玉 Multifunction lifting desk for learning
CN2389530Y (en) * 1999-07-07 2000-08-02 蔡凤鸣 Steel-wood and steel-plastic combined desk combined with seat
CN202739212U (en) * 2012-01-17 2013-02-20 燕鸣 Health care desk and chair with backrest and knee pillow capable of adjusting position and seat capable of moving with people
CN203828429U (en) * 2014-04-23 2014-09-17 深圳职业技术学院 Collapsible desk and chair combination
CN204930809U (en) * 2015-07-30 2016-01-06 河南科技大学 A kind of easily turnover type tables and chairs

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