CN209528619U

CN209528619U - A kind of folding storage structure for children dinning chair

Info

Publication number: CN209528619U
Application number: CN201821997119.0U
Authority: CN
Inventors: 刘景开; 苏文强
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-09-29
Filing date: 2018-11-29
Publication date: 2019-10-25
Anticipated expiration: 2028-11-29
Also published as: CN209528621U; CN209528617U; CN209528618U; CN209528620U

Abstract

A kind of folding storage structure for children dinning chair, including chair leg after chair leg and second after seat, service plate, backrest, the first front chair leg, the second front chair leg, first；Seat rear end overturning after first in chair leg and overturning when its front end bearing clamping or be detached from the first front chair leg；At least in turnover seat, mutually rotation is unfolded or turns folding cooperation for chair leg upper end after service plate, the first front chair leg upper end, first, and at least passes through locating piece when mutual rotation is expanded to certain position and realize that expansion positions；Expansion is mutually at least rotated by transmission rotating bar when chair leg after first rotates between first front chair leg and the second front chair leg or turns folding cooperation；Seat driving chair leg clip assembly when rotating expansion or turning folding slides the sliding realization stretching, extension positioning or contraction storage after first after chair leg and second between chair leg, after first after chair leg and second between chair leg by chair leg clip assembly；Backrest and seat mutually rotate expansion or turn folding cooperation.

Description

A kind of folding storage structure for children dinning chair

Technical field

The utility model relates to a kind of folding storage structures for children dinning chair.

Background technique

Chinese patent literature number discloses a kind of folding dining chair for children on June 9th, 2010 for CN101721070A, it is wrapped Seat mechanism, the locking mechanism for locking folding dining chair for children for including support frame, being set on support frame as described above, seat mechanism Including seat frame, the seat being set on seat frame, support frame includes upper end and seat frame to be rotated company by third shaft The first support frame, upper end and the seat frame connect by the 4th shaft rotate connection the second support frame, positioned at the bottom of bottom The lower end of seat, the first support frame is rotatedly connect with pedestal by first rotating shaft, the lower end of the second support frame and pedestal It is rotatedly connected by the second shaft, third shaft is located at the front of the 4th shaft, before first rotating shaft is located at the second shaft Side, constitutes four-bar mechanism between seat frame, the first support frame, the second support frame and pedestal.The dining chair is unlocked in locking mechanism When, by the deformation of four-bar mechanism to realize conversion of the folding dining chair for children between expanded position and folding position, but It is that the dining chair of the structure also occupies many volumetric spaces after folding, and the step of folding is more complicated, is unable to satisfy user Use demand.Therefore, it is necessary to be further improved.

Utility model content

The purpose of the utility model is to provide it is a kind of it is simple and reasonable, have excellent performance, fold it is quick, easy to use, Manufacturing cost is low, easy to produce, Yi Shixian, the folding storage structure for children dinning chair small in size and safe and reliable, to overcome Shortcoming in the prior art.

By a kind of folding storage structure for children dinning chair that this purpose designs, including seat, service plate, backrest and chair leg Component, it is characterised in that: chair leg component is including at least chair leg after chair leg and second after the first front chair leg, the second front chair leg, first.

Seat clip assembly is provided between the seat front end and the first front chair leg, seat rear end is overturn after first Its front end by seat clip assembly bearing clamping or is detached from the first front chair leg in chair leg and in overturning, to realize seat The rotation of chair is unfolded or turns folding.

Locating piece is provided with after the service plate, the first front chair leg upper end, first between chair leg upper end, before service plate, first At least in turnover seat, mutually rotation is unfolded or turns folding cooperation for chair leg upper end after chair leg upper end, first, and at least in phase Expansion positioning is realized by locating piece when mutually rotation is expanded to certain position.

Transmission rotating bar, chair before the first front chair leg and second are provided with after described first between chair leg and the second front chair leg Expansion is mutually at least rotated by transmission rotating bar when chair leg after first rotates between foot or turns folding cooperation.

After described second chair leg be socketed telescopic slide after first chair leg lower end and be provided therebetween chair leg clamping Component, seat rotation expansion or when turning folding the sliding of driving chair leg clip assembly after first after chair leg and second chair leg it Between, stretching, extension positioning is realized by the sliding of chair leg clip assembly between chair leg after chair leg and second after first or shrinks storage.

The backrest and seat mutually rotates expansion or turns folding cooperation.

The seat clip assembly includes that locating piece, sliding part and seat elastic component, locating piece are fixed at seat bottom Portion, sliding part and seat elastic component elastic connection and by seat elastic component Elastic Sliding between seat and locating piece, sliding Clamping part is provided on part；Supporting member is provided on first front chair leg；Behind the seat rear end and first chair leg it Between be provided with seat rotating shaft, seat rear end is overturn after first in chair leg by seat rotating shaft and its front end passes through positioning Part bearing is detached from the first front chair leg, and at least in bearing by the clamping of the clamping part of sliding part on the bearer, with Realize that the bearing of seat front end is connected on the first front chair leg.

Be provided with supporting part and locating piece slide groove portion on the locating piece, supporting portion in locating piece slide groove portion front, And opening portion is provided therebetween；The seat front end is supported by supporting part or is detached from the first front chair leg；It is described Sliding part by seat elastic component Elastic Sliding in locating piece slide groove portion and in Elastic Sliding its clamping part stretch and opening On oral area, and mutually it is clamped or is detached from supporting member when flexible；Handle portion is provided on the sliding part, locating piece is corresponding Handle portion is provided with notch section, and handle portion at least partly stretches out outside notch section；Pass through tool or manual action handle portion and drives Sliding part is by seat elastic component Elastic Sliding in locating piece slide groove portion.

Dining plate support is provided on the service plate, the first front chair leg upper end is provided with front foot connector, chair leg after first Upper end is provided with rear foot connector；It is additionally provided with carrier on the supporting member and is accepted on the positioning element by carrier； Cooperation of the seat in overturning through locating piece and carrier drives supporting member activity, and supporting member drives meal in activity Chair leg mutually rotates expansion or turns folding cooperation after disk, the first front chair leg, first, to realize service plate, the first front chair leg, first In turnover seat, mutually rotation is unfolded or turns folding cooperation between chair leg afterwards；Arc is provided on the dining plate support Linear slide groove portion is arranged on front foot connector in slide groove portion, and locating piece chair leg after service plate, the first front chair leg, first mutually turns Sliding is in arc chute portion and linear slide groove portion when moving expansion or turning folding.

Locating piece elastic component is provided on the dining plate support or front foot connector, locating piece elastic component one end elasticity is made With on dining plate support or front foot connector, other end elastic reaction is in locating piece；It is also set up in the arc chute portion There is engaging portion；Locating piece chair leg after service plate, the first front chair leg, first mutually rotates expansion or passes through when turning folding Locating piece elastic component Elastic Sliding is positioned in sliding or is detached from engaging portion in arc chute portion and linear slide groove portion On, to realize after service plate, the first front chair leg, first between chair leg mutually expansion positioning or turn folding.

It is provided with rear foot arc driving portion on the rear foot connector, is provided with locating piece drive shaft and the rear foot on locating piece Arc driving portion is drivingly connected；The rear foot connector rotation expansion is turned folding on front foot connector and is being rotated Locating piece is driven to slide in linear slide groove portion by the cooperation of rear foot arc driving portion and locating piece drive shaft when folding, positioning Block is mutually disengaged with engaging portion when sliding in linear slide groove portion and slides in arc chute portion, and dining plate support is positioning Block and engaging portion turn folding on front foot connector, the rear foot connector when being mutually disengaged, with realize service plate, the first front chair leg, It is mutually turned folding between chair leg after first.

The chair leg clip assembly includes chair leg elastic component, pull rod and engagement device；Wherein, chair leg elastic component elastic reaction exists On pull rod, pull rod is by chair leg elastic component Elastic Sliding after first in chair leg and one end is provided with pull rod drive shaft, seat On be provided with seat arc driving portion, pull rod is drivingly connected by the seat arc driving portion of pull rod drive shaft and seat, pull rod The other end is provided with rake, and engagement device is slidably arranged on rake.

Clamping portion is provided with after described second in chair leg, is provided with sliding axle on engagement device；The seat passes through seat Rotation axis rotation is unfolded or turns folding to drive after first in chair leg and in rotation through seat arc driving portion and pull rod After first in chair leg, pull rod driving engagement device in sliding is slided by sliding axle to be tilted for the cooperation driving pull rod sliding of axis In portion, engagement device is clamped or is detached from clamping portion in sliding, and chair leg is stretched when engagement device is clamped or is detached from clamping portion after second After exhibition positions or is accommodated in first in chair leg, with the stretching, extension positioning between chair leg after chair leg and second after realization first or receive Contracting storage.

The seat and it is respectively arranged with seat axis hole, backrest axis hole by back, is set between seat axis hole and backrest axis hole It is equipped with backrest rotation axis, which is provided with positioning region, and the other end is provided with button and sets portion, is additionally provided with by back Clamping engagement portion, clamping engagement portion are located at backrest axis hole side and form certain spacing therebetween；The backrest rotation Axis one end is located on the outside of seat axis hole by positioning region, is successively threaded through seat axis hole, backrest axis hole in the middle part of backrest rotation axis On, the backrest rotation axis other end is located in clamping engagement portion by the clamping of the button portion of setting；The backrest passes through backrest rotation axis Rotation expansion turns folding on the seat.

Expansion orientation portion and clearance position are provided on the seat, expansion orientation portion is suspended in clearance position and by keeping away Vacancy elasticity activity is on the seat；The backrest at least passes through the elasticity in expansion orientation portion when expansion turns to certain position Automatic positioning on the seat, is positioned on the seat with realizing that backrest rotates expansion automatically；At least seat is located in backrest expansion Orientation portion was unfolded by tool or manual action when upper, on the seat by the activity of clearance position elasticity, expansion is fixed in expansion orientation portion It is mutually disengaged to portion in elastic activity with backrest, backrest and expansion orientation portion are turned folding when being detached from by backrest rotation axis On seat, wherein expansion orientation portion and elastic reset when backrest disengaging to position always.

The utility model by the improvement of above structure, the overturning of seat rear end after first in chair leg and in overturning its Front end bearing clamping is detached from the first front chair leg, and the rotation expansion of seat may be implemented or turn folding, seat is rotating When be not only able to linkage service plate, realize mutually rotation expansion or rotation folding behind the first front chair leg upper end and first between chair leg upper end Folded cooperation, moreover it is possible to which link after second chair leg stretching, extension positioning or after being accommodated in first in chair leg, while chair leg exists after first First front chair leg that also links when rotation rotates expansion with the second front chair leg or turns folding, i.e., user is not using children dinning chair When, it is only necessary to seat is subjected to dynamic folding, i.e. chair leg and second after linkage service plate, the first front chair leg, the second front chair leg, first Folding storage is carried out simultaneously between chair leg afterwards, then backrest is turned folding on the seat again, entire children dinning chair can be realized Folding, allow user quickly and easily to entire children dinning chair carry out folding storage, efficiently reduce children dinning chair occupancy While position, user is simplified to the folding storage step of children dinning chair, greatly meets the use demand of user；And And chair leg is also set up between each other after chair leg and second after seat, service plate, backrest, the first front chair leg, the second front chair leg, first There is the positioning member of expansion, children dinning chair is when being unfolded to use because acting on for positioning member is mutual fixed when realizing expansion Position is effectively prevented from children dinning chair and folds again when being unfolded to use because that can not position, leads to the problem of children's injury, to improve The safety in utilization of children dinning chair.

In terms of comprehensive, with it is simple and reasonable, have excellent performance, fold that quick, easy to use, manufacturing cost is low, easy Production, Yi Shixian, it is small in size and safe and reliable the features such as, it is practical.

Detailed description of the invention

Fig. 1, Fig. 2 are the assembling structure schematic diagram of the utility model first embodiment.

Fig. 3 is the seat and backrest decomposition texture schematic diagram of the utility model first embodiment

Fig. 4 is the seat and backrest assembling structure schematic diagram (unfolded state) of the utility model first embodiment.

Fig. 5 is the seat and backrest assembling structure schematic diagram (folded state) of the utility model first embodiment.

Fig. 6 is enlarged structure schematic diagram at the A in Fig. 3.

Fig. 7 is enlarged structure schematic diagram at the B in Fig. 3.

Fig. 8, Fig. 9 are seat, seat clip assembly, chair leg component the decomposition texture signal of the utility model first embodiment Figure.

Figure 10 is the seat clip assembly of the utility model first embodiment, chair leg component assembling structure schematic diagram.

Figure 11 is chair leg after the seat, seat clip assembly, the first front chair leg and first of the utility model first embodiment Assembling structure schematic diagram (section view).

Figure 12 is that the children dinning chair of the utility model first embodiment shows with front foot connector, rear foot connector decomposition texture It is intended to.

Figure 13 is front foot connector, rear foot connector, locating piece the decomposition texture signal of the utility model first embodiment Figure.

Figure 14-16 is that chair leg turned folding after the service plate of the utility model first embodiment, the first front chair leg and first Journey schematic diagram.

Figure 17, Figure 18 are the clipped component assembling structure schematic diagram of the utility model first embodiment.

Figure 19, Figure 20 be the utility model first embodiment first after chair leg and chair leg clip assembly after chair leg, second Decomposition texture schematic diagram.

Figure 21 is enlarged structure schematic diagram at the C in Figure 17.

Figure 22 is enlarged structure schematic diagram at the D in Figure 18.

Figure 23 is the semi-collapsed condition schematic diagram of the utility model first embodiment.

Figure 24 is the full folded state schematic diagram of the utility model first embodiment.

Specific embodiment

The utility model is further described with reference to the accompanying drawings and embodiments.

Referring to Fig. 1-Figure 24, this is used for the folding storage structure of children dinning chair, including seat 1, service plate 2, backrest 3 and chair leg Component, chair leg component is including at least chair leg 7 after chair leg 6 and second after the first front chair leg 4, the second front chair leg 5, first.

It is provided with seat clip assembly between 1 front end of seat and the first front chair leg 4, the overturning of 1 rear end of seat is the Its front end by seat clip assembly bearing clamping or is detached from the first front chair leg 4 after one in chair leg 6 and in overturning, with It realizes the rotation expansion of seat 1 or turns folding.

Further speaking, it is provided with locating piece 8 between 6 upper end of chair leg after service plate 2,4 upper end of the first front chair leg, first, eaten At least when seat 1 is overturn, mutually rotation is unfolded or turns folding to match 6 upper end of chair leg after disk 2,4 upper end of the first front chair leg, first It closes, and expansion positioning is at least realized by locating piece 8 when mutual rotation is expanded to certain position.

Further speaking, transmission rotating bar 9, the first front chair leg 4 are provided with after first between chair leg 6 and the second front chair leg 5 Expansion is mutually at least rotated by transmission rotating bar 9 when chair leg 6 after first rotates between the second front chair leg 5 or is turned folding Cooperation.

Further speaking, chair leg 7 is socketed telescopic slide and 6 lower end of chair leg and is provided therebetween after first after second Chair leg clip assembly, seat 1 is in rotation expansion or driving chair leg clip assembly sliding chair leg 6 and the after first when turning folding After two between chair leg 7, stretching, extension positioning is realized by the sliding of chair leg clip assembly between chair leg 7 after chair leg 6 and second after first Or shrink storage.

Further speaking, backrest 3 and the mutually rotation of seat 1 are unfolded or turn folding cooperation.

Further speaking, referring to Fig. 8-Figure 11, seat clip assembly includes locating piece 10, sliding part 11 and seat elastic component 12, locating piece 10 is fixed at 1 bottom of seat, sliding part 11 and 12 elastic connection of seat elastic component and by seat elasticity 12 Elastic Sliding of part is provided with clamping part 13 on sliding part 11 between seat 1 and locating piece 10；First front chair leg 4 On be provided with supporting member 14；Seat rotating shaft 15,1 rear end of seat are provided with behind 1 rear end of seat and first between chair leg 6 By the overturning of seat rotating shaft 15, in chair leg 6 and its front end by locating piece 10 supports or is detached from the chair before first after first It on foot 4, and is at least connected on supporting member 14 in bearing by the clamping part 13 of sliding part 11, to realize 1 front end branch of seat It holds and is connected on the first front chair leg 4.

Further speaking, supporting part 16 and locating piece slide groove portion 17 are provided on locating piece 10, supporting part 16 is located at positioning The front of part slide groove portion 17 and opening portion 18 is provided therebetween；1 front end of seat is supported or is taken off by supporting part 16 From on the first front chair leg 4；The sliding part 11 by 12 Elastic Sliding of seat elastic component in locating piece slide groove portion 17 and In Elastic Sliding, its clamping part 13 stretches on opening portion 18, and is mutually clamped or is detached from supporting member 14 when flexible；Institute Handle portion 19 is provided on the sliding part 11 stated, the corresponding handle portion 19 of locating piece 10 is provided with notch section 20, and handle portion 19 is at least Part is stretched out outside notch section 20；Pass through seat elastic component 12 by tool or manual action handle portion 19 and driving sliding part 11 Elastic Sliding is in locating piece slide groove portion 17.

Further speaking, referring to Figure 12-Figure 16, it is provided with dining plate support 21 on service plate 2,4 upper end of the first front chair leg is set It is equipped with front foot connector 22,6 upper end of chair leg is provided with rear foot connector 23 after first；It is additionally provided with and holds on the supporting member 14 It socket part 24 and is undertaken on locating piece 10 by carrier 24；The seat 1 passes through locating piece 10 and carrier in overturning 24 14 activity of cooperation driving supporting member, supporting member 14 drive 6 phase of chair leg after service plate 2, the first front chair leg 4, first in activity Mutually rotation expansion or cooperation is turned folding, to realize after service plate 2, the first front chair leg 4, first between chair leg 6 in the overturning of seat 1 Mutually rotation is unfolded or turns folding cooperation；Arc chute portion 25, front foot connector are provided on the dining plate support 21 Linear slide groove portion 26 is set on 22, and the mutually rotation of chair leg 6 after service plate 2, the first front chair leg 4, first of locating piece 8 is unfolded or turns Sliding is in arc chute portion 25 and linear slide groove portion 26 when dynamic folding.

Further speaking, locating piece elastic component 27, locating piece bullet are provided on dining plate support 21 or front foot connector 22 Property 27 one end elastic reaction of part is on dining plate support 21 or front foot connector 22, and other end elastic reaction is in locating piece 8；It is described Arc chute portion 25 on be additionally provided with engaging portion 28；The locating piece 8 chair leg 6 after service plate 2, the first front chair leg 4, first By 27 Elastic Sliding of locating piece elastic component in arc chute portion 25 and linear slide groove portion when mutually rotation is unfolded or turns folding It on 26, and positions or is detached from engaging portion 28 in sliding, to realize after service plate 2, the first front chair leg 4, first between chair leg 6 Mutually expansion is positioned or is turned folding.

Further speaking, it is provided with rear foot arc driving portion 29 on rear foot connector 23, is provided with locating piece on locating piece 8 Drive shaft 30 and rear foot arc driving portion 29 are drivingly connected；The rotation of rear foot connector 23 expansion is turned folding in front foot Locating piece is driven on connector 22 and when turning folding by the cooperation of rear foot arc driving portion 29 and locating piece drive shaft 30 In linear slide groove portion 26, locating piece 8 is mutually disengaged and slides with engaging portion 28 when sliding in linear slide groove portion 26 for 8 slidings In arc chute portion 25, dining plate support 21 is turned folding when locating piece 8 is mutually disengaged with engaging portion 28 and is connect in front foot On part 22, rear foot connector 23, mutually turned folding between chair leg 6 after service plate 2, the first front chair leg 4, first with realizing.

Further speaking, referring to Figure 17-Figure 22, chair leg clip assembly includes chair leg elastic component 31, pull rod 32 and engagement device 33；Wherein, 31 elastic reaction of chair leg elastic component is on pull rod 32, and pull rod 32 is by 31 Elastic Sliding of chair leg elastic component after first In chair leg 6 and one end is provided with pull rod drive shaft 34, seat arc driving portion 35 is provided on seat 1, pull rod 32 passes through drawing The seat arc driving portion 35 of bar drive shaft 34 and seat 1 is drivingly connected, and 32 other end of pull rod is provided with rake 36, engagement device 33 are slidably arranged on rake 36.

Further speaking, clamping portion 37 is provided in chair leg 7 after second, sliding axle 38 is provided on engagement device 33；It is described Seat 1 by the rotation of seat rotating shaft 15 expansion or turn folding after first in chair leg 6 and in rotation by seat arc After first in chair leg 6, pull rod 32 drives in sliding for the cooperation driving sliding of pull rod 32 of shape driving portion 35 and pull rod drive shaft 34 Dynamic engagement device 33 is slided on rake 36 by sliding axle 38, and engagement device 33 is clamped or is detached from clamping portion 37 in sliding, the After chair leg 7 stretches positioning when engagement device 33 and clamping portion 37 are clamped or are detached from or is accommodated in first after two in chair leg 6, with Stretching, extension positioning or contraction storage after realizing first after chair leg 6 and second between chair leg 7.

Further speaking, referring to Fig. 3-Fig. 7, it is respectively arranged with seat axis hole 39, backrest axis hole 40 on seat 1 and backrest 3, Backrest rotation axis 41 is provided between seat axis hole 39 and backrest axis hole 40, which is provided with positioning region 42, the other end is provided with button and sets portion 43, and clamping engagement portion 44 is additionally provided on backrest 3, and clamping engagement portion 44 is located at backrest axis hole 40 sides and certain spacing is formed therebetween；Described 41 one end of backrest rotation axis is located in seat by positioning region 42 The outside of axis hole 39,41 middle part of backrest rotation axis are successively threaded through seat axis hole 39, on backrest axis hole 40, and backrest rotation axis 41 is another End sets the clamping of portion 43 by button and is located in clamping engagement portion 44；The backrest 3 by backrest rotation axis 41 rotation expansion or It turns folding on seat 1.

Further speaking, expansion orientation portion 45 and clearance position 46 are provided on seat 1, expansion orientation portion 45 is suspended on empty avoiding On position 46 and by 46 elasticity activity of clearance position on seat chair 1；The backrest 3 is at least when expansion turns to certain position Elasticity by the way that orientation portion 45 is unfolded is automatically positioned on seat 1, to realize that rotation expansion is located on seat 1 backrest 3 automatically； Orientation portion 45 is at least unfolded by tool or manual action when the expansion of backrest 3 is located on seat 1, expansion orientation portion 45 passes through 46 elasticity activity of clearance position is on seat chair 1, and expansion orientation portion 45 is mutually disengaged in elastic activity with backrest 3, backrest 3 and expansion It is turned folding on seat 1 when orientation portion 45 is detached from by backrest rotation axis 41, wherein expansion orientation portion 45 and backrest 3 are detached from When elastic reset to position always.

Basic principles, main features, and advantages of the present invention has been shown and described above.Ability The technical staff in domain should be recognized that the present utility model is not limited to the above embodiments, described in the above embodiment and specification Only illustrate the principles of the present invention, the utility model also has on the premise of not departing from the spirit and scope of the utility model Various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The requires of the utility model Protection scope is defined by appended claims and its equivalent.

Meanwhile the drawings are for illustrative purposes only and are merely schematic diagrams, rather than pictorial diagram, it should not be understood as to this The limitation of patent；In order to better illustrate the utility model embodiment, the certain components of attached drawing have omission, zoom in or out, The size of actual product is not represented；It will be understood by those skilled in the art that certain known features and its explanation may save in attached drawing Slightly it will be understood by.

Moreover, in the attached drawing of the utility model embodiment, the same or similar label correspond to the same or similar components；? In the description of the utility model, it is to be understood that if having term " on ", "lower", "left", "right", "vertical", "horizontal", " cross To ", " longitudinal direction ", "top", "bottom", "inner", the instructions such as "outside" orientation or positional relationship be based on orientation or position shown in the drawings Relationship is set, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning It must have a particular orientation, be constructed and operated in a specific orientation, therefore the term for describing positional relationship in attached drawing is only used for Exemplary illustration should not be understood as the limitation to this patent.

Claims

1. a kind of folding storage structure for children dinning chair, including seat (1), service plate (2), backrest (3) and chair leg component, Be characterized in that: chair leg component is including at least chair after chair leg (6) and second after the first front chair leg (4), the second front chair leg (5), first Foot (7)；

Seat clip assembly is provided between seat (1) front end and the first front chair leg (4), the overturning of seat (1) rear end exists Its front end by seat clip assembly bearing clamping or is detached from the first front chair leg (4) after first in chair leg (6) and in overturning On, to realize the rotation expansion of seat (1) or turn folding；

Locating piece (8), service plate are provided between chair leg (6) upper end after the service plate (2), the first front chair leg (4) upper end, first (2), chair leg (6) upper end at least mutually rotation expansion or rotation when seat (1) is overturn after the first front chair leg (4) upper end, first Cooperation is folded, and at least realizes expansion positioning by locating piece (8) when mutual rotation is expanded to certain position；

Be provided between chair leg (6) and the second front chair leg (5) after described first transmission rotating bar (9), the first front chair leg (4) with At least pass through transmission rotating bar (9) mutually rotation expansion or rotation between second front chair leg (5) when chair leg after first (6) rotate Fold cooperation；

Chair leg (7) is socketed telescopic slide and chair leg (6) lower end and chair leg card is provided therebetween after first after described second Connected components, seat (1) driving chair leg clip assembly sliding chair leg (6) and second after first when rotation is unfolded or turns folding Afterwards between chair leg (7), stretching, extension is realized by the sliding of chair leg clip assembly between chair leg (7) after chair leg (6) and second after first Storage is shunk in positioning；

The backrest (3) and seat (1) mutually rotation expansion turns folding cooperation.

2. being used for the folding storage structure of children dinning chair according to claim 1, it is characterised in that: the seat clip assembly Including locating piece (10), sliding part (11) and seat elastic component (12), locating piece (10) is fixed at seat (1) bottom, sliding Moving part (11) is with seat elastic component (12) elastic connection and by seat elastic component (12) Elastic Sliding in seat (1) and positioning Between part (10), clamping part (13) are provided on sliding part (11)；Supporting member is provided on first front chair leg (4) (14)；Seat rotating shaft (15) are provided between chair leg (6) behind seat (1) rear end and first, seat (1) rear end passes through Seat rotating shaft (15) overturning in chair leg (6) and its front end after first is supported by locating piece (10) or is detached from before first It in chair leg (4), and is at least connected on supporting member (14) in bearing by the clamping part (13) of sliding part (11), to realize seat The bearing of chair (1) front end is connected on the first front chair leg (4).

3. being used for the folding storage structure of children dinning chair according to claim 2, it is characterised in that: on the locating piece (10) It is provided with supporting part (16) and locating piece slide groove portion (17), supporting part (16) is located at the front and two of locating piece slide groove portion (17) Opening portion (18) are provided between person；Seat (1) front end is supported by supporting part (16) or is detached from the first front chair leg (4) on；The sliding part (11) is by seat elastic component (12) Elastic Sliding on locating piece slide groove portion (17) and in elasticity Its clamping part (13) stretches on opening portion (18) when sliding, and is mutually clamped or is detached from supporting member (14) when flexible；Institute It being provided with handle portion (19) on the sliding part (11) stated, locating piece (10) corresponding handle portion (19) is provided with notch section (20), Hand (19) at least partly stretches out notch section (20) outside；Pass through tool or manual action handle portion (19) and driving sliding part (11) through seat elastic component (12) Elastic Sliding on locating piece slide groove portion (17).

4. being used for the folding storage structure of children dinning chair according to claim 3, it is characterised in that: set on the service plate (2) It is equipped with dining plate support (21), the first front chair leg (4) upper end is provided with front foot connector (22), and chair leg (6) upper end is set after first It is equipped with rear foot connector (23)；It is additionally provided with carrier (24) on the supporting member (14) and is accepted by carrier (24) On locating piece (10)；The seat (1) drives bearing by the cooperation of locating piece (10) and carrier (24) in overturning Part (14) activity, supporting member (14) drive chair leg (6) after service plate (2), the first front chair leg (4), first mutually to rotate in activity It is unfolded or turns folding cooperation, is overturn between chair leg (6) in seat (1) after service plate (2), the first front chair leg (4), first with realizing When mutually rotation expansion or turn folding cooperation；Arc chute portion (25), front foot are provided on the dining plate support (21) It is arranged on connector (22) linear slide groove portion (26), locating piece (8) chair leg after service plate (2), the first front chair leg (4), first (6) sliding is on arc chute portion (25) and linear slide groove portion (26) when mutually rotation is unfolded or turns folding.

5. being used for the folding storage structure of children dinning chair according to claim 4, it is characterised in that: the dining plate support (21) or on front foot connector (22) it is provided with locating piece elastic component (27), locating piece elastic component (27) one end elastic reaction is being eaten On disk supporting element (21) or front foot connector (22), other end elastic reaction is in locating piece (8)；The arc chute portion (25) On be additionally provided with engaging portion (28)；The locating piece (8) chair leg (6) after service plate (2), the first front chair leg (4), first is mutual By locating piece elastic component (27) Elastic Sliding in arc chute portion (25) and linear slide groove portion when rotation is unfolded or turns folding (26) it on, and positions or is detached from engaging portion (28) in sliding, after realizing service plate (2), the first front chair leg (4), first Mutually expansion is positioned or is turned folding between chair leg (6).

6. being used for the folding storage structure of children dinning chair according to claim 5, it is characterised in that: the rear foot connector (23) it is provided with rear foot arc driving portion (29) on, locating piece drive shaft (30) are provided on locating piece (8) and rear foot arc drives Dynamic portion (29) are drivingly connected；Described rear foot connector (23) the rotation expansion or turn folding on front foot connector (22) and Existed when turning folding by cooperation driving locating piece (8) sliding of rear foot arc driving portion (29) and locating piece drive shaft (30) In linear slide groove portion (26), locating piece (8) is mutually disengaged and slides with engaging portion (28) when sliding on linear slide groove portion (26) On arc chute portion (25), dining plate support (21) is turned folding when locating piece (8) and engaging portion (28) are mutually disengaged On front foot connector (22), rear foot connector (23), to realize after service plate (2), the first front chair leg (4), first between chair leg (6) Mutually turn folding.

7. being used for the folding storage structure of children dinning chair according to claim 6, it is characterised in that: the chair leg clip assembly Including chair leg elastic component (31), pull rod (32) and engagement device (33)；Wherein, chair leg elastic component (31) elastic reaction is in pull rod (32) On, pull rod (32) is by chair leg elastic component (31) Elastic Sliding after first in chair leg (6) and one end is provided with pull rod and drives Axis (34), seat arc driving portion (35) is provided on seat (1), and pull rod (32) passes through pull rod drive shaft (34) and seat (1) Seat arc driving portion (35) be drivingly connected, pull rod (32) other end is provided with rake (36), and engagement device (33) sliding is set It sets on rake (36).

8. being used for the folding storage structure of children dinning chair according to claim 7, it is characterised in that: chair leg after described second (7) it is provided on clamping portion (37), sliding axle (38) is provided on engagement device (33)；The seat (1) passes through seat rotation Axis (15) rotation expansion or turn folding on chair leg after first (6) and in rotation by seat arc driving portion (35) and Cooperation driving pull rod (32) sliding of pull rod drive shaft (34) is after first in chair leg (6), pull rod (32) driving card in sliding Part (33) are determined through sliding axle (38) sliding on rake (36), and engagement device (33) is clamped or is detached from clamping portion in sliding (37), chair leg (7) stretching, extension positioning or is accommodated in the when engagement device (33) and clamping portion (37) are clamped or are detached from after second After one in chair leg (6), with the stretching, extension positioning between chair leg (7) after chair leg (6) and second after realization first or storage is shunk.

9. the folding storage structure of children dinning chair is used for described in -8 any one according to claim 1, it is characterised in that: the seat (1) and on backrest (3) seat axis hole (39), backrest axis hole (40), seat axis hole (39) and backrest axis hole (40) are respectively arranged with Between be provided with backrest rotation axis (41), which is provided with positioning region (42), and the other end is provided with button If portion (43), be additionally provided with clamping engagement portion (44) on backrest (3), clamping engagement portion (44) be located at backrest axis hole (40) side, And certain spacing is formed therebetween；Described backrest rotation axis (41) one end is located in seat axis hole by positioning region (42) (39) outside is successively threaded through seat axis hole (39) in the middle part of backrest rotation axis (41), on backrest axis hole (40), backrest rotation axis (41) other end sets portion (43) clamping by button and is located on clamping engagement portion (44)；The backrest (3) is rotated by backrest Axis (41) rotation expansion turns folding on seat (1).

10. being used for the folding storage structure of children dinning chair according to claim 9, it is characterised in that: set on the seat (1) It is equipped with expansion orientation portion (45) and clearance position (46), expansion orientation portion (45) is suspended on clearance position (46) and passes through clearance position (46) elasticity activity is on seat chair (1)；The backrest (3) at least passes through expansion orientation portion when expansion turns to certain position (45) elasticity is automatically positioned on seat (1), to realize that rotation expansion is located on seat (1) backrest (3) automatically；At least exist By tool or manual action expansion orientation portion (45) when backrest (3) expansion is located on seat (1), expansion orientation portion (45) is logical Clearance position (46) elasticity activity is crossed on seat chair (1), expansion orientation portion (45) is mutually disengaged in elastic activity with backrest (3), Backrest (3) and expansion orientation portion (45) are turned folding on seat (1) when being detached from by backrest rotation axis (41), wherein expansion Orientation portion (45) and elastic reset when backrest (3) disengaging to position always.