CN211883113U

CN211883113U - Folding dining chair for children

Info

Publication number: CN211883113U
Application number: CN201922368860.1U
Authority: CN
Inventors: 刘建华; 吴先杰; 陈小舟
Original assignee: Ningbo Mybaby Baby Products Manufacturing Co Ltd
Current assignee: Ningbo Mybaby Baby Products Manufacturing Co Ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-11-10
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a folding dining chair for children, including preceding leg unit spare, back subassembly, bedplate subassembly and dinner plate subassembly etc. still include the vaulting pole to make bedplate subassembly front end articulate on the vaulting pole, the vaulting pole upper end articulates on the dinner plate subassembly, is equipped with mutual articulated connecting rod between vaulting pole and the preceding leg unit spare. Therefore, the unfolded child dining chair can be stably supported through the support rods and the connecting rods, and the use reliability is ensured; meanwhile, once the joint lock is released, the lower end of the backrest component and the upper end of the front foot tube component rotate around the rotating joint and are sequentially folded towards the rear foot tube component, the front ends of the dinner plate component and the seat plate component are driven to be linked to upwards overturn, folded and folded on the backrest component, and the stay bar is also synchronously linked with the connecting rod, folded and folded on the front foot tube component. Obviously, the improved structure has simple design and convenient operation, and also has the advantages of small and compact volume after being folded, direct standing placement, convenient movement, flat and neat folding appearance and the like.

Description

Folding dining chair for children

Technical Field

The utility model relates to a child dining chair, in particular to a child folding dining chair.

Background

The child dining chair is a chair for children to take for dining, and is usually designed into a foldable structure for the convenience of use, namely, the foldable chair forms a support for children to take when unfolded, and is convenient to carry and store when folded. At present, the structure of the folding dining chair for children mainly comprises a front leg pipe component, a rear leg pipe component, a backrest component, a seat board component, a dinner plate component and the like, wherein a rotary joint and a joint lock are arranged between the upper end of the front leg pipe component, the upper end of the rear leg pipe component and the lower end of the backrest component, an unlocking push button for releasing the joint lock is arranged on the backrest component, the rear end of the dinner plate component and the rear end of the seat board component are hinged on the backrest component correspondingly, and the unfolding or folding of each component of the folding dining chair for children is realized according to the hinged structure. However, in addition to the above-mentioned main components, in order to achieve the stability of unfolding for use and the linkage of folding and folding, many connecting rods and reinforcing rods are required to be designed between the above-mentioned components, which complicates the structure of the whole dining chair and causes great troubles to the operation. Meanwhile, the folding dining chair for children has the defects of unstable standing, inconvenient placement, troublesome movement and the like after being folded and folded, and has larger volume, poor finishing and unsightly appearance after being folded, and particularly, the backrest component can be directly propped against the ground, so that a cloth cover on the backrest component is easy to be worn and dirty. In addition, with the continuous expansion of the market of infant and children products, many consumers also want manufacturers to provide more foldable dining chairs for children with different structures and folding modes to meet the market purchasing requirements.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome prior art's defect and provide a simple structure, simple operation, receive to close back small and compact, can directly stand and place, remove convenient, the flat neat and artistic children's folding dining chair of folding appearance.

The technical problem of the utility model is realized through following technical scheme:

a folding dining chair for children comprises a front leg tube assembly, a rear leg tube assembly, a backrest assembly, a seat plate assembly and a dinner plate assembly; a rotary joint and a joint lock are arranged between the upper end of the front foot tube component, the upper end of the rear foot tube component and the lower end of the backrest component, and an unlocking push button for releasing the joint lock is arranged on the backrest component; the dinner plate assembly rear end and the seat plate assembly rear end are both hinged to the backrest assembly, the folding dining chair further comprises a support rod, the seat plate assembly front end is hinged to the support rod, the support rod upper end is hinged to the dinner plate assembly, and a connecting rod hinged to each other is arranged between the support rod and the front foot tube assembly.

The folding dining chair for children is unfolded, the front foot pipe component, the rear foot pipe component and the backrest component are unfolded to be in an inverted Y shape, the joint lock locks the rotating joint, the dinner plate component, the backrest component, the seat plate component and the support rod are unfolded to form a parallelogram, the seat plate component, the backrest component and the connecting rod are unfolded through the locked rotating joint to form a triangle, and the parallelogram depends on the triangle to form stable support.

Folding chair of children fold, this unblock is pushed away the button and is relieved the joint lock, back subassembly lower extreme and preceding foot tube subassembly upper end all rotate around the rotation joint and fold to the back foot tube subassembly in proper order, and then the linkage drives the dining dish subassembly front end and bedplate subassembly front end and all upwards overturns and fold on the back subassembly, the vaulting pole also with the synchronous linkage of connecting rod fold on the front foot tube subassembly.

The unlocking push button is movably installed on a backrest pipe of the backrest component in a lifting mode, and an unlocking pull wire connected with the unlocking push button and the joint lock is arranged in the backrest pipe.

The seat plate component comprises a door-shaped frame and a seat plate arranged on the door-shaped frame, the door-shaped frame is formed by two side tubes and front tubes connected to the front ends of the two side tubes, the rear end of each side tube is hinged to a backrest tube of the backrest component, the front end of each side tube and the upper end of a connecting rod are coaxially hinged to a support rod, and a front baffle is arranged in the middle of the front tube.

The dinner plate assembly comprises two handrail tubes which are arranged in parallel, each handrail tube is provided with a slide rail which is arranged along the front and the back in a sliding way, and a dinner plate which is fixedly arranged is arranged between the two slide rails.

The L-type connecting piece is arranged between the rear end of each armrest tube and the backrest tube of the backrest assembly, the rear end of the L-type connecting piece is fixed on the backrest tube, and the front end of the L-type connecting piece is hinged with the rear end of the armrest tube.

Each handrail tube on all be equipped with a plurality of gear tooth, the slide rail along handrail tube preceding, back slip and constitute the location with a plurality of gear tooth.

The upper end of each supporting rod is hinged to the front end of the handrail tube at the same side of the supporting rod, and the lower ends of the two supporting rods are provided with shank rests for installation and fixation.

The upper end of the front foot tube component is provided with a front rotating disk, the upper end of the rear foot tube component is provided with a rear rotating disk, the lower end of the backrest component is provided with a lower rotating disk, the front rotating disk, the rear rotating disk and the lower rotating disk are coaxially hinged to form a rotating joint, and the lower end of the connecting rod is hinged to the front rotating disk.

Compared with the prior art, the utility model is mainly characterized in that a stay bar is added between the dinner plate component and the seat plate component, the front end of the seat plate component is hinged on the stay bar, the upper end of the stay bar is hinged on the dinner plate component, and connecting rods which are mutually hinged are arranged between the stay bar and the front foot tube component; therefore, the unfolded child dining chair can form stable inverted Y-shaped support through the connection of the stay bar and the connecting bar, the dinner plate component, the backrest component, the seat plate component and the stay bar are unfolded to form a parallelogram, and the parallelogram is stably supported through a triangle formed by unfolding the locked rotary joints among the seat plate component, the backrest component and the connecting bar, so that the use reliability is ensured; meanwhile, once the joint lock is released, the lower end of the backrest component and the upper end of the front foot tube component rotate around the rotating joint and are sequentially folded towards the rear foot tube component, the front ends of the dinner plate component and the seat plate component are driven to be linked to upwards overturn, folded and folded on the backrest component, and the stay bar is also synchronously linked with the connecting rod, folded and folded on the front foot tube component. Obviously, the design of present structure can be simpler for children's folding dining chair after the improvement to greatly reduced the component part on guaranteeing stability in use's basis, thereby made the operation also more convenient, but also have receive back small and compact, can directly stand and place, remove convenient, folding appearance is flat neat and artistic advantages such as, especially the back subassembly that rotatory receipts were received can not directly push up ground again, avoids the cloth cover on the back subassembly to grind and makes dirty.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a perspective view of fig. 1.

Fig. 3 is an exploded perspective view of fig. 2.

Fig. 4 is a schematic structural view of the unlocking button shown by an arrow pushing upward to release the joint lock.

Fig. 5 is a schematic view of the folding operation of fig. 4.

Fig. 6 is a schematic view of the structure after the operation of fig. 5 to form a complete fold.

Fig. 7 is a schematic view of fig. 6 gradually unfolded from a folded state.

Fig. 8 is a schematic view of the structure after the operation of fig. 7, which is fully unfolded.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the drawings.

As shown in fig. 1 to 8, the front leg tube assembly 1, the front tube 11, the front tube 12, the front foot support 13, the front rotary disc 2, the rear foot tube assembly 21, the rear tube 22, the rear foot support 23, the rear rotary disc 3, the backrest assembly 31, the backrest tube 32, the lower rotary disc 4, the seat plate assembly 41, the side tube 42, the front tube 43, the seat plate 44, the cross bar 45, the plug-in connector 46, the front bumper 5, the dinner plate assembly 51, the armrest tube 52, the shift tooth 53, the slide rail 54, the dinner plate 55, the connecting piece 6, the stay 61, the lower leg rest 7, the rotary joint 71, the joint lock 71, the unlocking push button 8, the unlocking pull wire 81 and the connecting rod 9.

A folding dining chair for children is shown in figures 1-3, and relates to a chair for children to take for dining, which mainly comprises a front leg tube assembly 1, a rear leg tube assembly 2, a backrest assembly 3, a seat plate assembly 4, a dinner plate assembly 5 and the like.

The front foot tube assembly 1 comprises a front tube 11 with an upward opening and a U shape, the U-shaped bottom of the front tube is a transverse tube, two ends of the U-shaped bottom are respectively provided with a plastic front foot support 12 which can be used for ensuring the support stability of the front foot tube assembly 1, and the upper ends of two U-shaped of the front tube 11 are respectively provided with a front rotary disc 13 which is fixedly inserted; the rear foot tube assembly 2 is the same as the front foot tube assembly 1 and comprises a rear tube 21 with an upward opening and a U shape, the U-shaped bottom of the rear tube is also a horizontal tube, two ends of the U-shaped bottom are respectively provided with a rear foot support 22 made of plastic, which can be used for ensuring the support stability of the rear foot tube assembly 2, and the upper ends of two U-shaped parts of the rear tube 21 are respectively provided with a rear rotating disc 23 which is fixedly inserted; the backrest component 3 comprises a backrest pipe 31 with a downward opening in an inverted U shape, and lower rotating disks 32 fixed in an inserted manner are respectively arranged at the lower ends of the two inverted U shapes of the backrest pipe.

Therefore, a group of front rotating disk 13, a group of rear rotating disk 23 and a group of lower rotating disk 32 are just formed on the two sides of the folding bicycle frame respectively, and the front rotary disk 13, the rear rotary disk 23 and the lower rotary disk 32 in each group, i.e. on the same side, are circular disks with the same diameter and are coaxially hinged to form a rotary joint 7, the rotary joints 7 at both sides of the folding frame are both provided with joint locks 71, two U-shaped supporting legs of the backrest tube 31 are respectively provided with an unlocking push button 8 which is movably arranged along the backrest tube in a lifting way, each unlocking push button is independently connected with the joint lock 71 at the same side through an unlocking pull wire 81 in the backrest tube 31, that is, the two unlocking push buttons 8 respectively and independently control the two joint locks 71, when in actual use, the two joint locks 71 must be simultaneously released through the two unlocking push buttons 8, and the two rotation joints 7 can be simultaneously rotated, so that the safety of the folding operation of the child dining chair can be ensured.

The dinner plate subassembly 5 rear end and the 4 rear ends of bedplate subassembly all articulate on back subassembly 3, and dinner plate subassembly 5 is used for placing tableware or other article, and bedplate subassembly 4 is used for children to take, so dinner plate subassembly 5 is located bedplate subassembly 4 top, the structure of both is: the dinner plate component 5 comprises two handrail tubes 51 which are arranged in parallel, each handrail tube is provided with a slide rail 53 which is arranged in a front-back sliding way along the length direction of the handrail tube, a dinner plate 54 which is fixedly arranged is arranged between the two slide rails, namely, the dinner plate can be adjusted in front-back sliding way through the two slide rails 53, so that the use of children with different body types is facilitated, and the slide rails 53 are provided with anti-falling parts to prevent the slide rails from falling off completely from the front ends of the handrail tubes 51.

Meanwhile, a master L-shaped connecting piece 55 is arranged between the rear end of each armrest tube 51 and the backrest tube 31 of the backrest module 3, particularly, between the U-shaped legs on the same side as the backrest tube 31, the rear end of the master L-shaped connecting piece is fixed to the U-shaped legs of the backrest tube 31, and the front end of the master L-shaped connecting piece 55 is hinged to the rear end of the armrest tube 51.

Each handrail tube 51 on all be equipped with a plurality of gear tooth 52, this a plurality of gear tooth extends along handrail tube 51's length direction, slide rail 53 when sliding along handrail tube 51 front and back, can constitute the location with a plurality of gear tooth 52, a gear tooth 52 confirms the protrusion distance of a section dinner plate 54 relative handrail tube 51 promptly.

The seat plate component 4 comprises a door-shaped frame and a seat plate 43 fixedly arranged on the door-shaped frame through two cross rods 44, the door-shaped frame is formed by two side tubes 41 and a front tube 42 connected with the front ends of the two side tubes, the front end of each side tube 41 is connected with the end part of the front tube 42 into a whole through an L-shaped plug connector 45 made of plastics, and the rear end of each side tube 41 is hinged on a backrest tube 31 of the backrest component 3, in particular to a U-shaped supporting leg on the same side with the backrest tube; the head tube 42 is centrally provided with a front stop 46 to prevent a child from sliding off the seat plate 43.

The number of the support rods 6 is two, the upper end of each support rod 6 is hinged to the front end of the handrail tube 51 on the same side of the support rod 6, and the lower ends of the two support rods 6 are provided with a shank rest 61 for mounting and fixing; the connecting rods 9 which are hinged with each other are arranged between the support rod 6 and the front foot pipe component 1, the connecting rods 9 are usually arranged between the U-shaped support legs of each support rod 6 and the front foot pipe component 1 at the same side, the front end of the seat plate component 4 is also hinged on the support rod 6, and particularly, the front end of each side pipe 41 which forms a door-shaped frame and the upper end of the connecting rod 9 at the same side are coaxially hinged on the support rod 6.

The utility model discloses a folding process is shown as the arrow direction of figure 4~ 6, the unblock through two rebound earlier pushes away button 8 and removes joint lock 71 in two revolute joint 7 simultaneously, then back subassembly 3 lower extreme and preceding foot tube assembly 1 upper end just can be simultaneously around revolute joint 7 forward rotation and fold up folding to back foot tube assembly 2 in proper order, and then the linkage drives the front end of dinner plate subassembly 5 and bedplate subassembly 4 and all upwards overturns and fold up folding on back subassembly 3, vaulting pole 6 also folds on foot tube assembly 1 in the front with connecting rod 9 synchronous linkage this moment, whole children dining chair just can form the fold condition shown in figure 6 like this.

The unfolding process is as shown in the arrow directions of fig. 7 and fig. 8, the backrest module 3, the front leg tube module 1 and the rear leg tube module 2 are sequentially pulled apart to unfold the three modules in an inverted Y shape, at this time, the joint lock 71 automatically locks the rotary joint 7 to ensure the stability of the support shape, the dinner plate module 5, the backrest module 3, the seat plate module 4 and the stay bar 6 are unfolded to form a parallelogram, the locked rotary joints among the seat plate module 4, the backrest module 3 and the connecting rod 9 are unfolded to form a triangle, and the parallelogram can form a stable support by virtue of the triangle.

The utility model discloses compare present folding dining chair of children, not only structural design is simpler, still greatly reduced the component part on the basis that keeps stability in use moreover, thereby it is also more convenient to make the operation, still have to receive to close small and compact in back, can directly stand and place, it is convenient to remove, folding appearance is flat neatly beautifully waits advantage, especially rotatory backrest component 3 of receiving after receiving can not directly push up ground again, avoid the cloth cover on the backrest component to grind and make dirty, the event has greatly satisfied the selective purchase needs in market.

The above description is only an embodiment of the present invention, and it should be understood by those skilled in the art that any structural design equivalent to this embodiment is included in the scope of the present invention.

Claims

1. A folding dining chair for children comprises a front leg tube component (1), a rear leg tube component (2), a backrest component (3), a seat plate component (4) and a dinner plate component (5); a rotary joint (7) and a joint lock (71) are arranged between the upper end of the front foot pipe component (1), the upper end of the rear foot pipe component (2) and the lower end of the backrest component (3), and an unlocking push button (8) for releasing the joint lock (71) is arranged on the backrest component (3); dinner plate subassembly (5) rear end and bedplate subassembly (4) rear end all articulate on back subassembly (3), its characterized in that folding dining chair still include vaulting pole (6), bedplate subassembly (4) front end articulate on vaulting pole (6), the vaulting pole upper end articulates on dinner plate subassembly (5), be equipped with mutual articulated connecting rod (9) between vaulting pole (6) and preceding foot tube subassembly (1).

2. A foldable dining chair for children as claimed in claim 1, wherein the foldable dining chair for children is unfolded, the front leg tube assembly (1), the back leg tube assembly (2) and the backrest assembly (3) are unfolded to be in an inverted "Y" shape, the joint lock (71) locks the rotary joint (7), the dining plate assembly (5), the backrest assembly (3), the seat plate assembly (4) and the stay bar (6) are unfolded to form a parallelogram, the locked rotary joint (7) between the seat plate assembly (4), the backrest assembly (3) and the link (9) is unfolded to form a triangle, and the parallelogram is stably supported by the triangle.

3. A foldable dining chair for children as claimed in claim 1, wherein the foldable dining chair for children is folded, the unlocking button (8) releases the joint lock (71), the lower end of the backrest module (3) and the upper end of the front leg assembly (1) rotate around the rotation joint and fold toward the rear leg assembly (2) in turn, so as to link and drive the front end of the dining plate module (5) and the front end of the seat plate module (4) to turn upward and fold toward the backrest module (3), and the stay bar (6) also links and folds toward the front leg assembly (1) synchronously with the connecting rod (9).

4. A folding dining chair for children as claimed in claim 1, wherein said unlocking push button (8) is movably mounted in a lifting manner on a backrest tube (31) of said backrest module (3), and unlocking pull wires (81) are provided in said backrest tube (31) for connecting said unlocking push button (8) and said joint lock (71) respectively.

5. A folding dining chair for children as claimed in claim 1, wherein said seat plate assembly (4) comprises a door frame and a seat plate (43) mounted on said door frame, said door frame is formed by two side tubes (41) and a head tube (42) connected to the front ends of said two side tubes, the rear end of each side tube (41) is hinged to said back tube (31) of said back assembly (3), the front end of each side tube (41) and the upper end of said connecting rod (9) are coaxially hinged to said stay bar (6), and said head tube (42) is centrally provided with a front stop (46).

6. A folding dining chair for children according to claim 5, wherein said tray assembly (5) comprises two parallel tubes (51) each having front and rear slidably mounted rails (53) and a tray (54) fixedly mounted between the rails.

7. The folding dining chair for children as claimed in claim 6, wherein a L-type connector (55) is provided between the rear end of each armrest tube (51) and the backrest tube (31) of the backrest assembly (3), and the L-type connector has a rear end fixed to the backrest tube (31), and a front end hinged to the rear end of the armrest tube (51).

8. A folding dining chair for children as claimed in claim 6, wherein each of said tubes (51) has a plurality of teeth (52), and said rails (53) slide along said tubes (51) in front and back directions and are positioned with said teeth (52).

9. A folding dining chair for children as claimed in claim 6, wherein said two parallel supporting rods (6) are provided, the upper end of each supporting rod (6) is hinged to the front end of the handrail tube (51) on the same side, and the lower ends of the two supporting rods (6) are provided with the calf rest (61) for fixing.

10. The folding dining chair for children as claimed in claim 1, wherein the front leg tube assembly (1) is provided with a front rotary plate (13) at the upper end thereof, the rear leg tube assembly (2) is provided with a rear rotary plate (23) at the upper end thereof, the back assembly (3) is provided with a lower rotary plate (32) at the lower end thereof, the front rotary plate (13), the rear rotary plate (23) and the lower rotary plate (32) are coaxially hinged to form the rotary joint (7), and the lower end of the connecting rod (9) is hinged to the front rotary plate (13).