A kind of combined type lifting tables and chairs
Technical field
The utility model relates to one and is laid in hiding flat auto-folder combined table and chair assembly on ground, particularly can realize with controller the combined type lifting tables and chairs of automatic lifting.
Background technology
Modern society, along with expanding economy, increasing population pours in city, Urban spatial recourses is used further nervous, how fully to improve space availability ratio, become the problem that urgently needs solution, although traditional tables and chairs emphasize that structure is firm, beautiful design, but such structure must occupy larger space, structural design is ingenious and be applied to indoor various apparatus and occur in a large number in such cases, under this background, Foldable multifunctional combined table and chair assembly arises at the historic moment.
Although traditional folding table and folding seat have realized to a certain extent to the making full use of of space, and still take larger space.Meanwhile, traditional folding table/chair in use normally people apply external force and utilize the special structural design of folding table/chair to be folded up, in the time not using, also manually fold up to reach joint space-efficient object by people.But this folding table/chair conventionally needs people to utilize both hands and uses very large strength just can complete in use, and not only inconvenient operation also easily crushes the situation of people's palm, so there is certain potential safety hazard.
Summary of the invention
The utility model object is to provide one to be laid in hiding combined type lifting tables and chairs on ground, this combined table and chair assembly carries out automatic lifting by controller, can be used for multi-functional classroom, multiple combined table and chair assemblies placed side by side and folding after can be used as floor, dancing chamber use, after rising, can be used as the common classroom of giving lessons uses simultaneously, simple and easy to use, reduce manpower and materials, improved space availability ratio simultaneously.
The purpose of this utility model is achieved through the following technical solutions.
A kind of combined type lifting tables and chairs, comprise casing, and are located in casing for a pair of symmetrically arranged driving mechanism of lifting seat mechanism and desktop mechanism and the supporting mechanism of feet pedal; In the casing of described casing rear portion, be provided with the controller of controlling driving mechanism and supporting mechanism lifting; Driving mechanism drives respectively chair mechanism and desktop mechanism to relatively move by controller control drive motors a drive link, thereby forms rise and the decline of chair mechanism and desktop mechanism; Described supporting mechanism drives supporting mechanism to complete automatic lifting by controller control drive motors c; Push rod has driven the lifting action of pedal by controller control drive motors b.
Further, described desktop mechanism is arranged on the front portion of casing, desktop mechanism comprises desktop, be hinged on that the baffle plate of front part of desk-top is connected with its below can be folding desk side rocking bar and desk side connecting rod;
Described chair mechanism is arranged on the middle part of casing, chair mechanism comprises chair top, establish thereunder connect can be folding seat side rocking bar and seat side connecting rod.
Further, described desk side rocking bar and desk side connecting rod top are hinged by two table leg upper mounted plates that be arranged in parallel, and desk side rocking bar bottom is hinged on box bottom by the table leg front shoe of I-shaped structure;
Described seat side rocking bar and seat side connecting rod top are hinged by two seat leg upper mounted plates that be arranged in parallel, and seat side rocking bar and seat side connecting rod bottom are hinged on box bottom by two seat leg fixed heads that be arranged in parallel; Desk side connecting rod, seat side connecting rod are connected with chair top with desktop respectively.
Further, described driving mechanism is fixed on box bottom by frame, and frame is provided with launches the drive link that arm is connected with expansion arm; Described drive link end is connected with the seat side rocking bar of chair mechanism and the desk side rocking bar of desktop mechanism respectively.
Further, described expansion arm is articulated with central rack, launches to connect a leading screw between arm both ends, and leading screw is connected with the drive motors a being located on expansion arm.
Further, described supporting mechanism is located on box bottom, and between two driving mechanisms, between supporting mechanism and driving mechanism, is provided with push rod, and push rod has been driven the lifting action of pedal by drive motors b.
Further, described supporting mechanism comprises the support link and the supporting crank that are hinged, between supporting crank bottom, be connected with a cross bar, on cross bar, be engaged with a support push rod being driven by drive motors c, drive and support the rotation of push rod engagement cross bar by drive motors c, drive the rise of support link and supporting crank and fall.
Further, the casing front side board of described casing is provided with the desktop limit switch that limits desktop mechanism action; Described box bottom is provided with the supporting mechanism limit switch that limits supporting mechanism action; The box plate upper end of described casing back side panel both sides is provided with the desktop limit switch that limits desktop action.
Further, described pedal is along the casing rise of overturning forward, and respectively along casing backward, upset is risen forward, pedal falls to tank surface along desktop mechanism below again for chair mechanism and desktop mechanism; Tables and chairs after rise are a combined table and chair assembly casing, and several combined table and chair assembly casings are array distribution and form combination classroom.
Further, described pedal is along the casing rise of overturning forward, and chair mechanism overturns forward decline, pedal and desktop mechanism respectively along the casing decline of turning over; Combined table and chair assembly after decline is a combination box, and several combination box are array distribution and form combination floor, classroom.
Feature of the present utility model is:
(1) this combined table and chair assembly can apply with multi-functional classroom in, complete automatic lifting action simultaneously by placed side by side multiple combined table and chair assemblies in ground and by controller control, after combined table and chair assembly folds, class uses using classroom as dancing classroom, and after combined table and chair assembly rises, class uses using classroom as the common classroom of giving lessons.
(2) in driving mechanism reducing motor drive leading screw control both sides launch arm launch simultaneously, closure, can realize desktop and seat and rise simultaneously and fold.
(3) in supporting mechanism, before and after supporting crank, be respectively equipped with limit switch, shut down when the reducing motor that roller is encountered in limit switch Time Controller control supporting mechanism, make supporting mechanism stop at correct position.
(4) think that in advance side plate is provided with limit switch, when desk rises, desk side rocking bar is encountered the reducing motor on controller control driving mechanism after limit switch and is shut down, and makes desk rise to correct position.
(5) casing back side panel is provided with limit switch, and when combined table and chair assembly is packed up, the reducing motor that desktop downside is encountered on position limiting switch controller control driving mechanism is shut down, and completes the jackknife action of combined table and chair assembly.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the connection diagram of the utility model driving mechanism and tables and chairs;
Fig. 3 is the utility model driving mechanism schematic diagram;
Fig. 4 is the utility model driving mechanism and supporting mechanism schematic diagram;
Fig. 5 is the utility model supporting mechanism schematic diagram;
Fig. 6 is that the utility model push rod arranges structural representation;
Fig. 7 is that the utility model rises rear schematic diagram completely;
To be that the utility model is folding pack up rear schematic diagram to Fig. 8;
Fig. 9 is the utility model combined table and chair assembly classroom schematic diagram;
Figure 10 is the utility model composite floor schematic diagram.
1,8, driving mechanism in figure:; 2, push rod; 3, desktop mechanism; 4, pedal; 5, baffle plate; 6, casing front side board; 7, riser; 9, supporting mechanism; 10, casing back side panel; 11, storage tank cover plate; 12, chair mechanism; 13, casing; 14, controller; 15, table leg upper mounted plate; 16, desk side connecting rod; 17, desk side rocking bar; 18, table leg front shoe; 19, table leg rear fixed plate; 20, seat leg upper mounted plate; 21, seat side rocking bar; 22,27, drive link; 23, seat side connecting rod; 24, seat leg fixed head; 25,28, launch arm; 26, frame; 29, box bottom; 30, drive motors a; 31, leading screw; 32, slide block; 33, hinge; 34, supporting crank; 35, roller; 36, support link; 37, supporting mechanism limit switch; 38, drive motors c; 39, support push rod; 40, cross bar; 41, desktop limit switch; 42, push rod roller; 43, drive motors b; 44, desktop limit switch.
Detailed description of the invention
Below in conjunction with Figure of description, the utility model is described further:
As shown in Figure 1, the utility model combined type lifting tables and chairs, comprise casing 13, and are located in casing 13 for a pair of symmetrically arranged driving mechanism 1,8 of lifting seat mechanism 12 and desktop mechanism 3 and the supporting mechanism 9 of feet pedal 4; In casing 13 rear portion casings, be provided with the controller 14 of controlling driving mechanism 1,8 and supporting mechanism 9 liftings; Driving mechanism 1,8 is controlled drive motors a30 drive link 22,27 (shown in Fig. 3) by controller 14 and is driven respectively chair mechanism 12 and desktop mechanism 3 to relatively move (shown in Fig. 2), thereby forms rise and the decline of chair mechanism 12 and desktop mechanism 3; Supporting mechanism 9 is controlled drive motors c38 by controller 14 and is completed supporting mechanism 9 automatic lifting; Push rod 2 is controlled drive motors b43 by controller 14 and is driven the rise of push rod 2 feet pedals 4 and fall (shown in Fig. 6).Casing rear portion casing forms a storage tank by casing back side panel 10 and storage tank cover plate 11.
Wherein, as shown in Figure 2, desktop mechanism 3 is arranged on the front portion of casing 13, and desktop mechanism 3 comprises desktop, is hinged on the baffle plate 5 and a pair of desk side rocking bar 17 that can fold and a pair of desk side connecting rod 16 that below it, are connected of front part of desk-top; Desk side connecting rod 16 belows are hinged on box bottom 29 by table leg rear fixed plate 19, and desk side rocking bar 17 belows are hinged on box bottom 29 by table leg front shoe 18; Desk side connecting rod 16 tops are by the hinged desk side of table leg upper mounted plate 15 rocking bar 17.Table leg front shoe 18, for being provided with the I-shaped structure of perpendicular version 7, is provided with two blocks of parallel-plates along its vertical distribution at the two ends of perpendicular version 7, and two parallel-plate intermediate width can be held rising and falling of desk side rocking bar 17.
Chair mechanism 12 is arranged on the middle part of casing 13, and chair mechanism 12 comprises chair top, establishes a pair of seat side rocking bar 21 and a pair of seat side connecting rod 23 that thereunder can fold; Seat side connecting rod 23 and seat side rocking bar 21 tops that a pair of front and back distribute are hinged by two seat leg upper mounted plates 20 that be arranged in parallel, and seat side rocking bar 21 and seat side connecting rod 23 bottoms are hinged on box bottom 29 by two seat leg fixed heads 24 that be arranged in parallel.
Seat leg fixed head 24 is the parallel-plate of two rectangular triangular structures and parallel distribution, and a right-angle side is fixed on box bottom 29, and two parallel-plate intermediate width can be held rising and falling of seat side rocking bar 21.Table leg upper mounted plate 15 and seat leg upper mounted plate 20 are the parallel-plate of two rectangular triangular structures and parallel distribution, and two parallel-plate intermediate width all can be held rising and falling of the desk side connecting rod 16 that is placed in one and seat side connecting rod 23; The table leg upper mounted plate 15 connecting on desk side connecting rod 16 can join with its desktop, and the seat leg upper mounted plate 20 connecting on seat side connecting rod 23 can join with its chair top.
As shown in Figure 3, the a pair of driving mechanism 1,8 that is symmetrically distributed in desk side connecting rod 16 inner sides comprises the frame 26 being fixed on box bottom 29, frame 26 is frame shape, its crossbeam middle part is provided with a pair of expansion arm 25,28, launch between arm 25,28 both ends by slide block 32 leading screw 31 that is slidably connected, leading screw 31 is connected with the drive motors a30 being located on expansion arm 25, and drive motors a30 is connected with leading screw 31 and drives leading screw 31 to rotate by drive motors a30.Launch arm 25,28 bottoms and be connected with a pair of drive link 22,27 by hinge 33; Drive link 22,27 ends are connected with the seat side rocking bar 21 of chair mechanism 12 and the desk side rocking bar 17 of desktop mechanism 3 respectively.
As shown in Figure 4, supporting mechanism 9 is located on box bottom 29, and between two driving mechanisms 1,8, between supporting mechanism 9 and driving mechanism 1, is provided with push rod 2, and push rod 2 has been driven the lifting action (shown in Fig. 6) of pedal 4 by drive motors b43.
As shown in Figure 5, supporting mechanism 9 comprises the support link 36 and the supporting crank 34 that are hinged, between supporting crank 34 bottoms, be connected with a cross bar 40, on cross bar 40, be engaged with a support push rod 39 being driven by drive motors c38, driving support push rod 39 to engage cross bar 40 by drive motors c38 rotates, drives the rise of support link 36 and supporting crank 34 and fall.In this supporting mechanism 9, support link 36 bottoms are hinged on box bottom 29 by fixture, the middle part of support link 36 and supporting crank 34 are hinged, the two ends of its upper end and supporting crank 34 are connected with roller 35 by pin respectively, upper end roller is to alleviate the wearing and tearing to pedal, and bottom is provided with roller so that move forward and backward; It is corresponding with supporting crank bottom roller that box bottom is provided with limit switch.
As shown in Figure 6, push rod 2 is located at perpendicular version 7 inner sides of the table leg front shoe 18 of table support side rocking bar 17, and it is upper that push rod 2 one end are connected to drive motors b43, and the other end is free end, free end end is provided with push rod roller 42, has been driven the lifting action of pedal 4 by drive motors b43.Pedal 4 is connected with casing front side board 6 by hinge.
In this device, be distributed with three pairs of limit switches, wherein, casing front side board 6 is provided with and limits a pair of desktop limit switch 41 that desktop mechanism 3 moves; Box bottom 29 is provided with and limits a pair of supporting mechanism limit switch 37 that supporting mechanism 9 moves; The box plate upper end of casing back side panel 11 both sides is provided with a pair of desktop limit switch 44 that limits desktop.
Shown in Fig. 7, show the structure after the flat auto-folder combined table and chair assembly of the utility model rises, in the time that remote controller remote control panel 14 drives each drive motors work, pedal 4 is along casing 13 rise of overturning forward, chair mechanism 12 is along casing 13 rise of turning over, desktop mechanism 3 is along casing 13 rise of overturning forward, the baffle plate 5 of desktop mechanism 3 front portions is along desktop vertical hanging, after desktop mechanism 3 and chair mechanism 12 rise and put in place, pedal 4 is turned over and is put in place in the box plate middle part of casing both sides horizontal positioned along casing 13 again, tables and chairs after rise are a combined table and chair assembly casing.Several combined table and chair assembly casings are to array distribution and can form a combination classroom, as shown in Figure 9.
Pedal 4 is along casing 13 rise of overturning forward, and chair mechanism 12 overturns forward decline, pedal 4 and desktop mechanism 3 respectively along casing 13 decline of turning over; Combined table and chair assembly after decline is a combination box, as shown in Figure 8.Several combination box are to array distribution and can form a combination floor, classroom (can be used for doing dance training place), as shown in Figure 10.
The course of work of the present utility model is, start controller 14 by remote controller, drive drive motors c38 on drive motors a30 on two driving mechanisms 1,8 and supporting mechanism 9 to start simultaneously, expansion arm 25,28 in driving mechanism 1,8 launches, promote desk side rocking bar 17 and seat side rocking bar 21, chair mechanism 12 and desktop mechanism 3 are slowly risen; In supporting mechanism 9, support push rod 39 simultaneously and promote supporting crank 34; When desk side rocking bar 17 touches the desktop limit switch 41 on casing front side board 6, the drive motors a30 that controller 14 is controlled in driving mechanism 1 shuts down; When the roller 35 in supporting mechanism 9 is encountered after supporting mechanism limit switch 37, controller 14 is controlled drive motors c38 and is shut down, and combined table and chair assembly rises and moved.
In the time that combined table and chair assembly is carried out jackknife action; it is moving that drive motors in drive motors c43 and supporting mechanism 9 opens b38; drive push rod 2 that pedal 4 is boosted after certain altitude; reducing motor c43 stops; pedal 4 also stops at certain altitude, and supporting mechanism 9 declines simultaneously, when roller 35 is encountered after supporting mechanism limit switch 37; controller 14 is controlled drive motors c43 and is shut down, and supporting mechanism 9 stops action.Start with reducing motor a30 in rear drive mechanism 1, launch arm 23,25 and shrink, drive desk side rocking bar 17 and seat side rocking bar 21, make desktop mechanism 3 and chair mechanism 12 carry out jackknife action simultaneously.After a period of time; reducing motor c43 starts; push rod 2 shrinks; pedal 4 is put down and make gradually pedal 4 tops ride on the chair top of chair mechanism 12; in the time that the desktop downside in desktop mechanism 3 touches the desktop limit switch 44 on casing back side panel; controller 14 is controlled all drive motors and is shut down, and completes the jackknife action of combined table and chair assembly.
The utility model tiling is hidden in flat auto-folder combined table and chair assembly, and each limit switch is connected with controller input, and each reducing motor is connected with controller output end, and controller can be placed in appropriate location as required.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model; can not assert that detailed description of the invention of the present utility model only limits to this; for the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; can also make some simple deduction or replace, all should be considered as belonging to the utility model and determine scope of patent protection by submitted to claims.