CN204930809U - A kind of easily turnover type tables and chairs - Google Patents

A kind of easily turnover type tables and chairs Download PDF

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Publication number
CN204930809U
CN204930809U CN201520562303.2U CN201520562303U CN204930809U CN 204930809 U CN204930809 U CN 204930809U CN 201520562303 U CN201520562303 U CN 201520562303U CN 204930809 U CN204930809 U CN 204930809U
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CN
China
Prior art keywords
leg
chair
parts
chairs
turnover type
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201520562303.2U
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Chinese (zh)
Inventor
张丰收
李斯文
万富春
杨星星
孟鑫
王团锋
夏深宝
刘湃
李鹏飞
董芳
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Henan University of Science and Technology
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Henan University of Science and Technology
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Priority to CN201520562303.2U priority Critical patent/CN204930809U/en
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Publication of CN204930809U publication Critical patent/CN204930809U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model relates to a kind of easily turnover type tables and chairs.In a kind of easy turnover type tables and chairs, the bottom of table leg is provided with the table leg articulated structure of pedestal table parts swing, the bottom of chair leg is provided with the chair leg articulated structure for the swing of chair parts, table parts and chair parts have respectively on respective oscillating stroke mutually draw close pack up position and mutually away from open position; The table leg swing component that easy turnover type tables and chairs also comprise and the axis of oscillation of table leg is coaxially hinged and the axis of oscillation co-axially fixed chair leg swing component of chair leg and the connecting rod be hinged between table leg swing component and chair leg swing component, connecting rod and table leg swing component and chair leg swing component form reverse quadric chain, and table leg swing component is provided with for coordinating only to drive table parts to the unidirectional Stop structure packed up position and move at chair parts time moving in position to packing up with table leg along swaying direction block.Above-mentioned easy turnover type tables and chairs can for abdicating passage space through personnel so that personnel's turnover, and structure is simple, connection is reliable, cost is low.

Description

A kind of easily turnover type tables and chairs
Technical field
The utility model relates to a kind of easily turnover type tables and chairs.
Background technology
Expand the enrollment after the decision-making of scale puts into effect further in institution of higher education, all, national universities enrollment and enrollment turned over many respectively than 1998.In recent years China student enrollment has accounted for 14% of population of the same age, and reached 3,000 ten thousand to Chinese college students in 2010, university classroom is very crowded, and the market potential representated by Chinese college students also will become increasing.Along with the increase that country drops 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 rationally seems particularly urgent as its design science of hardware facility closely bound up with College Students'Learning.At present, what the conjunction class classroom of major part school was installed is all traditional fixing platoon formula tables and chairs substantially, this tables and chairs adopt unitary design, fixed installation on the ground, seat be hinged on Chair support can overturn folding, overall structure is simple, neat specification, widely use socially, but after the position that a Connectible row chairs and desks keeps to the side occupies people, if personnel need the centre position of a Connectible row chairs and desks, because the interval between tables and chairs is very little, the personnel kept to the side just need to stand up to vacate walking space, teacher and other classmates can be had influence on, simultaneously, also can put to no little inconvenience to the clean of ground by the interval restriction between tables and chairs.
The Chinese patent that application number is 201420200117.X, Authorization Notice No. is CN203828429U discloses the combination of a kind of abdominal contraction tables and chairs, comprise a parts and chair parts, table parts comprise the column of desktop and seat table leg, form chair parts receiving space between desktop and column; Chair parts comprise seat, rear chair pin, knee and support bar, and knee and support bar are hinged between the seat plain of seat and the column of table parts, form parallel-crank mechanism, can rotate and be retracted in chair parts receiving space or be lowered into ground.Knee has the front chair leg part be connected with seat plain, and the front chair leg that rear chair pin is hinged on seat plain rear portion and knee forms chair leg.Hinge axis place between support bar and seat plain, hinge axis place between rear chair pin and seat plain also arrange linkage gear, make rear chair pin can the folding and unfolding with the folding and unfolding of seat, form stable support when putting down to seat.Although above-mentioned tables and chairs combination can realize packing up, facilitate clean, if but there are personnel to pass through, the personnel sat down still need to stand up and pack up chair parts to abdicate passage space, can not meet equally and pass in and out requirement easily, and need to adopt gear drive, processing cost is high, high to Structural strength calls.
Utility model content
It can be abdicate passage space so that the easy turnover type tables and chairs of personnel's turnover through personnel that the purpose of this utility model is to provide a kind of.
The technical scheme that a kind of easy turnover type tables and chairs of the utility model adopt is: a kind of easily turnover type tables and chairs, comprise a parts and chair parts, described table parts comprise table leg, described chair parts comprise chair leg, the bottom of described table leg is provided with the table leg articulated structure of pedestal table parts swing, the bottom of described chair leg is provided with the chair leg articulated structure for the swing of chair parts, described table parts and chair parts have respectively on respective oscillating stroke mutually draw close pack up position and mutually away from open position; The table leg swing component that described easy turnover type tables and chairs also comprise and the axis of oscillation of table leg is coaxially hinged and the axis of oscillation co-axially fixed chair leg swing component of chair leg and the connecting rod be hinged between table leg swing component and chair leg swing component, described connecting rod and table leg swing component and chair leg swing component form reverse quadric chain, and described table leg swing component is provided with for coordinating only to drive table parts to the unidirectional Stop structure packed up position and move at chair parts time moving in position to packing up with table leg along swaying direction block.
Described chair leg upper driving is connected with for applying towards the chair leg torsion spring packing up the active force that position swings chair leg.
Described table leg upper driving is connected with for applying towards the table leg torsion spring opening the active force that position swings table leg.
Described table leg comprises front table leg arranged in parallel in the longitudinal direction and rear table leg, described table leg articulated structure comprises for being fixed to ground table leg seat, and described front table leg and rear table leg are all hinged between described table leg seat and the desktop of table parts and form parallel-crank mechanism.
Described rear table leg is telescopic legs.
The bottom of described table leg has standoff features, and the bottom surface of described standoff features has for fit with table leg seat and block coordinates to carry out spacing packing up locating surface and open locating surface to moving to the table parts packed up position and open position respectively.
Described table leg seat is provided with paired spaced apart hinged otic placode, and described table leg is hinged between two corresponding hinged otic placodes.
Described table leg swing component is shape is leg-of-mutton plate, wherein two bights of described plate respectively with described connecting rod and table leg seat hinged, described unidirectional Stop structure is the block axle in the residue bight being fixed on plate.
Described chair leg articulated structure comprises for being fixed to ground chair leg seat, described chair leg seat is provided with chair leg bearing, described chair parts have the rotating shaft of chair leg and by the cooperation swing of the rotating shaft of chair leg and chair leg bearing, described chair leg seat is provided with stopper slot, and described stopper slot has for coordinating to carry out spacing packing up limited wall and open limited wall to moving to the chair parts packed up position and open position with chair leg along swaying direction block.
Described chair leg comprises a chair leg support column, and the rotating shaft of described chair leg arranges perpendicular to chair leg support column and is fixedly connected with chair leg support column.
The utility model adopts technique scheme, table leg and chair leg can opened position by table leg articulated structure and chair leg articulated structure and packed up swing between position respectively, described easy turnover type tables and chairs also comprise table leg swing component, chair leg swing component and the connecting rod be hinged between table leg swing component and chair leg swing component, connecting rod and table leg swing component and chair leg swing component form reverse quadric chain, described table leg swing component is provided with for coordinating to drive table parts to the unidirectional Stop structure opened position and move at chair parts time moving in position to opening with described table leg along swaying direction block, therefore, rely on reverse quadric chain and unidirectional Stop structure, chair parts can simultaneously to packing up position motion to packing up table parts time moving in position, larger passage space is formed when there is no librarian use tables and chairs, when chair parts are opened, removed because unidirectional Stop structure coordinates with the block of table leg, chair parts can under external force to opening position motion or moving to packing up position, thus after personnel sit down, a component movement still can be made to packing up position, forming larger passage space when there being librarian use tables and chairs, compared with prior art, personnel's turnover can be convenient to, meanwhile, table parts and the chair parts mode structure that adopts connecting rod to be connected simple, connect reliably, cost is low.
Accompanying drawing explanation
Fig. 1 is the front view of an embodiment of a kind of easy turnover type tables and chairs of the utility model;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the top view of Fig. 2;
Fig. 4 is the left view of Fig. 1;
Fig. 5 is the syndeton 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 bottom table leg;
Fig. 8 is the stereogram of an embodiment of the utility model easily turnover type tables and chairs;
Fig. 9 is structural representation when desktop is steeved in Fig. 4;
Figure 10 is the using state schematic diagram of an embodiment of the utility model easily turnover type tables and chairs.
The name that in figure, each Reference numeral is corresponding is called: 1-table parts, 2-desktop, table leg before 3-, table leg after 4-, 5-standoff features, 6-packs up locating surface, 7-opens locating surface, 8-table leg seat, the hinged otic placode of 9-, 10-table leg swing component, 11-block axle, 12-stiffener, 13-table leg torsion spring, 14-chair parts, 15-seat, 16-chair leg, 17-chair leg support column, the rotating shaft of 18-chair leg, 19-chair leg seat, 20-stopper slot, 21-packs up limited wall, and 22-opens limited wall, 23-chair leg torsion spring, 24-chair leg swing component, 25-connecting rod.
Detailed description of the invention
An embodiment of a kind of easy turnover type tables and chairs of the utility model as shown in Fig. 1 ~ Figure 10, be a kind of can the easy turnover type tables and chairs of automatic retracting, comprise a parts 1 and chair parts 14, table parts 1 comprise desktop 2 and table leg, and chair parts 14 comprise chair leg 16 and seat 15.
Table leg comprises table leg 4 after two front table legs 3 and two, after two front table legs 3 and two, table leg 4 is all arranged along the left and right directions of desktop 2, the bottom of each table leg is provided with the table leg articulated structure of pedestal table parts 1 swing, table leg articulated structure comprises for being fixed to ground table leg seat 8, each table leg seat 8 is respectively equipped with two to hinged otic placode 9, the bottom of each table leg all has the standoff features 5 for being set between two corresponding hinged otic placodes 9, hinged otic placode 9 and standoff features 5 are provided with mutually corresponding hinge hole and also rely on the jointed shaft be located in hinge hole hinged.Adopt the form of two hinged otic placode 9 can enlarge active surface, ensure swing stability and the flexibility of table leg.The top of each table leg is all hinged with desktop 2, make the two ends of table leg be hinged between desktop 2 and hinged otic placode 9 respectively, form parallel-crank mechanism, stable support can be provided for desktop 2, and in swing process, realize the translation of desktop 2, effectively prevent article from dropping.The bottom surface of standoff features 5 has two inclined-planes, be respectively and pack up locating surface 6 and open locating surface 7, the also block that is respectively used to fit with table leg seat 8 coordinates to carry out spacing to moving to the table parts 1 packed up position and open position respectively, location is reliable, accurate, good stability, connecting rod 25 can be avoided to bear excessive load simultaneously, reduce the requirement to connecting rod 25 structural strength.For the ease of the passage space that accessing article is larger with formation, rear table leg 4 have employed the form of expansion link, is telescopic legs, and desktop 2 can be made to dig forward when needed.For alleviating the weight of a parts 1, the table bucket of table parts 1 be by below desktop 2 along the longitudinal direction spaced apart U-shaped support formed.
The chair leg 16 of chair parts 14 comprises a chair leg support column 17 and arranges with perpendicular to chair leg support column 17 and the chair leg rotating shaft 18 be fixedly connected with chair leg support column 17, be provided with for being fixed to ground chair leg seat 19 bottom chair leg 16, chair leg seat 19 is provided with the two spaced apart bearing blocks in left and right, place, each bearing block is respectively equipped with the chair leg bearing rotating assembling for the rotating shaft 18 of chair leg, chair parts 14 pass through the cooperation swing of chair leg rotating shaft 18 and chair leg bearing.The bearing block in left side is also provided with stopper slot 20, described stopper slot 20 has two side channel walls for coordinating along swaying direction block with chair leg 16, be respectively for carrying out spacing packing up limited wall 21, for carrying out spacing opening limited wall 22 to moving to the chair parts 14 opening position to moving to the chair parts 14 packing up position, chair parts 14 can be made to rotate in setting range, ensure stability.
Rely on packing up locating surface 6 and opening locating surface 7 on the standoff features 5 of table leg, and the packing up limited wall 21 and open limited wall 22 of chair leg seat 19 upper limit position groove 20, table parts 1 and chair parts 14 have respectively on respective oscillating stroke mutually draw close pack up position and mutually away from open position (in respectively as Figure 10 position shown in double dot dash line and solid line), pack up position can adjust as required with the particular location opening position, ensure comfort.
The table leg swing component 10 that easy turnover type tables and chairs also comprise and the axis of oscillation of table leg is coaxially hinged and the axis of oscillation co-axially fixed chair leg swing component 24 of chair leg 16 and the connecting rod 25 be hinged between table leg swing component 10 and chair leg swing component 24.Table leg swing component 10 is shapes is leg-of-mutton plate, and wherein two bights of plate are hinged with the hinged otic placode 9 on connecting rod 25 and right back table leg seat 8 respectively, remain a bight and are fixed with block axle 11.For ensureing structural stability, hinged otic placode 9 place on right back table leg seat 8 is also hinged with the stiffener 12 of the other end being supported on block axle 11.Till chair leg swing component 24, spinning fits over the swing arm of chair leg rotating shaft 18 right-hand member, connecting rod 25 away from one end of table leg and the oscillation end of swing arm hinged.Connecting rod 25 forms reverse quadric chain with table leg swing component 10 and chair leg swing component 24, makes another rotate counterclockwise when rotating clockwise in table leg swing component 10 and chair leg swing component 24.The stop part at table leg place forms unidirectional Stop structure, for coordinating to drive table parts 1 to move to packing up position at chair parts 14 to packing up time moving in position with table leg along swaying direction block.
Chair leg torsion spring 23 is also provided with, for applying towards the active force packing up position swing to chair leg 16 between chair leg rotating shaft 18 and chair leg seat 19; The jointed shaft of right lateral side table leg is provided with table leg torsion spring 13, for applying towards the active force opening position swing table leg.Arranging chair leg torsion spring 23 can make chair parts 14 pack up position motion from trend when people leaves chair parts 14, driving table parts 1 to packing up position motion simultaneously, realizing automatically drawing in by reverse quadric chain and unidirectional Stop structure.Chair parts 14 move to pack up position and make unidirectional Stop structure remove block to table leg by reverse quadric chain time, table leg torsion spring 13 can drive table leg automatically to move to and open position, realize automatically opening, can prevent the parts 1 from rocking simultaneously, ensure the stable of table parts 1.
Above-mentioned easy turnover type tables and chairs have employed reverse thinking, change the way of the folding and unfolding chair that existing tables and chairs adopt, have employed the scheme of folding and unfolding desk, solve the relatively light and handy and people of independent chair take chair after chair become quite heavy problem, and there is automatic packing up function, rely on connecting rod 25 to realize the interlock of table parts 1 and chair parts 14, it is laborsaving, convenient to use.Meanwhile, adopt the cooperation of reverse quadric chain and unidirectional Stop structure, achieve the desk when chair opens and both can open and also can close up (close up rear before can unusually), desk necessarily closes up when chair closes up function.In addition, rear table leg 4 adopts the structure of extension type, table bucket can be steeved, thus need not bend over when needing to access books in table bucket; When desk front have people by time, also desktop 2 can be steeved thus make desk more move forward and backward spacing near human body with further enlarging table top 2, being convenient to front remarkable, while facilitating the movement of persons, can the use of Convenient desk and chair greatly.
In the above-described embodiments, table leg have employed the form of parallel-crank mechanism, and chair leg 16 and table leg are connected with chair leg torsion spring 23 and table leg torsion spring 13 respectively.In other embodiments of the present utility model, table leg also can adopt other articulated manner to realize swing, such as adopt the articulated form of chair parts 14, and chair leg torsion spring 23 and table leg torsion spring 13 also can save or carry out equivalence replacement, manpower when saving, can be relied on completely to carry out folding and unfolding to table parts 1 and chair parts 14.In addition, in the above-described embodiments, rear table leg 4 is telescopic legs, and in other embodiments, rear table leg 4 also can replace with the fixing supporting leg of length.

Claims (10)

1. easy turnover type tables and chairs, comprise a parts and chair parts, described table parts comprise table leg, described chair parts comprise chair leg, it is characterized in that: the bottom of described table leg is provided with the table leg articulated structure of pedestal table parts swing, the bottom of described chair leg is provided with the chair leg articulated structure for the swing of chair parts, described table parts and chair parts have respectively on respective oscillating stroke mutually draw close pack up position and mutually away from open position; The table leg swing component that described easy turnover type tables and chairs also comprise and the axis of oscillation of table leg is coaxially hinged and the axis of oscillation co-axially fixed chair leg swing component of chair leg and the connecting rod be hinged between table leg swing component and chair leg swing component, described connecting rod and table leg swing component and chair leg swing component form reverse quadric chain, and described table leg swing component is provided with for coordinating only to drive table parts to the unidirectional Stop structure packed up position and move at chair parts time moving in position to packing up with table leg along swaying direction block.
2. one according to claim 1 easily turnover type tables and chairs, is characterized in that: described chair leg upper driving is connected with for applying towards the chair leg torsion spring packing up the active force that position swings chair leg.
3. one according to claim 1 easily turnover type tables and chairs, is characterized in that: described table leg upper driving is connected with for applying towards the table leg torsion spring opening the active force that position swings table leg.
4. the one easily turnover type tables and chairs according to claim 1 or 2 or 3, it is characterized in that: described table leg comprises front table leg arranged in parallel in the longitudinal direction and rear table leg, described table leg articulated structure comprises for being fixed to ground table leg seat, and described front table leg and rear table leg are all hinged between described table leg seat and the desktop of table parts and form parallel-crank mechanism.
5. one according to claim 4 easily turnover type tables and chairs, is characterized in that: described rear table leg is telescopic legs.
6. one according to claim 4 easily turnover type tables and chairs, it is characterized in that: the bottom of described table leg has standoff features, the bottom surface of described standoff features has for fit with table leg seat and block coordinates to carry out spacing packing up locating surface and open locating surface to moving to the table parts packed up position and open position respectively.
7. one according to claim 4 easily turnover type tables and chairs, is characterized in that: described table leg seat is provided with paired spaced apart hinged otic placode, and described table leg is hinged between two corresponding hinged otic placodes.
8. one according to claim 4 easily turnover type tables and chairs, it is characterized in that: described table leg swing component is shape is leg-of-mutton plate, wherein two bights of described plate respectively with described connecting rod and table leg seat hinged, described unidirectional Stop structure is the block axle in the residue bight being fixed on plate.
9. the one easily turnover type tables and chairs according to claim 1 or 2 or 3, it is characterized in that: described chair leg articulated structure comprises for being fixed to ground chair leg seat, described chair leg seat is provided with chair leg bearing, described chair parts have the rotating shaft of chair leg and by the cooperation swing of the rotating shaft of chair leg and chair leg bearing, described chair leg seat is provided with stopper slot, and described stopper slot has for coordinating to carry out spacing packing up limited wall and open limited wall to moving to the chair parts packed up position and open position with chair leg along swaying direction block.
10. one according to claim 9 easily turnover type tables and chairs, is characterized in that: described chair leg comprises a chair leg support column, and the rotating shaft of described chair leg arranges perpendicular to chair leg support column and is fixedly connected with chair leg support column.
CN201520562303.2U 2015-07-30 2015-07-30 A kind of easily turnover type tables and chairs Withdrawn - After Issue CN204930809U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105029913A (en) * 2015-01-14 2015-11-11 河南科技大学 Table and chair for easy in and out
CN111374460A (en) * 2020-04-19 2020-07-07 筑岚门窗设计(杭州)有限公司 Integrated table and chair capable of being combined in multiple ways for restaurant

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105029913A (en) * 2015-01-14 2015-11-11 河南科技大学 Table and chair for easy in and out
CN105029913B (en) * 2015-01-14 2017-08-25 河南科技大学 Easy turnover type tables and chairs
CN111374460A (en) * 2020-04-19 2020-07-07 筑岚门窗设计(杭州)有限公司 Integrated table and chair capable of being combined in multiple ways for restaurant
CN111374460B (en) * 2020-04-19 2021-09-10 蒋辉辉 Integrated table and chair capable of being combined in multiple ways for restaurant

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GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20160106

Effective date of abandoning: 20170825