CN211883114U - Multifunctional high chair - Google Patents

Abstract

A multifunctional high chair is suitable for infants at different ages, and can be folded to be small through specific connection among an upper seat body, a handrail component, a backrest, an upper chair locking mechanism, a lower seat body, a supporting foot frame, a linkage rod and a lower chair locking mechanism, so that the multifunctional high chair becomes a modular product.

Description

Multifunctional high chair

Technical Field

The utility model relates to a multifunctional high chair.

Background

The high chair is mainly suitable for infants more than 6 months old, and is convenient for the infants to have meals on a table. The existing high-leg chair cannot meet the requirements of multifunction (namely the same high-leg chair is suitable for infants at different ages) and small folding, the multifunctional product is still large and heavy in size after being folded, and inconvenient to fold, and the product which can be folded and small cannot meet the requirement of multifunction.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high chair which not only has multifunctional function, but also can be folded into a flat and small chair, so that the high chair becomes a modular product.

The utility model relates to a multifunctional high chair, which comprises a foldable lower chair component and a foldable upper chair component which is detachably connected with the lower chair component;

the upper chair assembly comprises an upper seat body for people to sit, two sides of the upper seat body are both connected with armrest assemblies which can rotate relative to the upper seat body, the rear side of the upper seat body is also connected with a backrest which can rotate relative to the upper seat body, and the upper chair assembly also comprises an upper chair locking mechanism which locks the upper chair assembly in an unfolded state;

the lower chair component comprises a lower seat body for people to sit, a supporting foot rest which can be folded and can rotate relative to the lower seat body is connected to the lower seat body, a linkage rod which can drive the lower seat body and the supporting foot rest to be folded is movably connected between the lower seat body and the supporting foot rest, and the lower chair component further comprises a lower chair locking mechanism which locks the lower chair component in an unfolded state.

When the multifunctional high chair is used by children half to one year old, the upper chair component is arranged on the lower chair component, when the multifunctional high chair needs to be folded, the upper chair locking mechanism and the lower chair locking mechanism can be unlocked simultaneously, the upper chair locking mechanism can also be unlocked firstly, and the lower chair locking mechanism is unlocked after the upper chair component is folded; when the multifunctional high chair is folded, the backrest is folded forwards, and meanwhile, the armrest component is driven to rotate towards the upper seat body so as to fold the upper chair component; when the baby is used by more than one year old to two years old, the upper chair component can be detached from the lower chair component for independent use, and further, the upper chair component can be arranged on a stool with a backrest, such as a common dining chair, so as to assist the baby to approach the dining table and facilitate the feeding of parents, and the folding mode of the upper chair component is also folded; when the folding chair is used by children over two years old, the lower chair component can be directly used after the upper chair component is removed, and the folding mode of the lower chair component is independently used according to the folding mode of the lower chair component; when the multifunctional high chair needs to be unfolded, if the upper chair component and the lower chair component are in a separated state, at the moment, the upper chair component only needs to be completely unfolded until the upper seat body is in a horizontal seating state, then the upper chair locking mechanism is locked to realize that the upper chair component is in an unfolded use state, the lower chair component can be completely unfolded until the lower seat body is in a horizontal seating state, and then the lower chair locking mechanism is locked to realize that the lower chair component is in an unfolded use state; if the upper chair component and the lower chair component are connected into a whole, the lower seat body can be driven to swing by unfolding the upper chair component, so that the linkage rod is driven to rotate, the linkage rod slides relative to the supporting foot rest, meanwhile, the supporting foot rest is driven to unfold, and the lower chair component is unfolded along with the unfolding of the upper chair component. Therefore, the multifunctional high chair is suitable for infants at different ages, and can be folded into a small size through the specific connection relationship among the upper seat body, the armrest component, the backrest, the upper chair locking mechanism, the lower seat body, the supporting foot frame, the linkage rod and the lower chair locking mechanism, so that the multifunctional high chair becomes a modular product.

Drawings

FIG. 1 is a schematic view of an unfolded structure in which an upper chair component and a lower chair component are combined into a whole.

Fig. 2 is a schematic view of a folding structure of the upper chair assembly and the lower chair assembly combined together.

Figure 3 is a schematic view of the unfolded structure of the upper chair assembly.

Fig. 4 is a schematic view of a folding structure of the upper chair assembly.

Figure 5 is a schematic view of the deployed configuration of the lower chair assembly.

Fig. 6 is a schematic view of a folding structure of the lower chair assembly.

Fig. 7 is a front view of fig. 1.

FIG. 8 is a sectional view taken along the direction B-B in FIG. 7.

Fig. 9 is a schematic structural view of the interlocking unlocking mechanism.

Fig. 10 is a partially enlarged view of a portion a in fig. 9.

Detailed Description

A multifunctional high chair, as shown in figures 1 to 6, comprises a foldable lower chair component and a foldable upper chair component which is detachably connected with the lower chair component; the upper chair assembly comprises an upper seat body 1 for people to sit, two sides of the upper seat body 1 are both connected with armrest assemblies which can rotate relative to the upper seat body 1, the rear side of the upper seat body 1 is also connected with a backrest 5 which can rotate relative to the upper seat body, and the upper chair assembly also comprises an upper chair locking mechanism 11 which locks the armrest assemblies and the backrest 5 of the upper chair assembly in an unfolded state; the lower chair component comprises a lower seat body 6 for a person to sit on, the lower seat body 6 is connected with a foldable supporting foot rest which can rotate relative to the lower seat body 6, in the embodiment, the two sides of the lower seat body 6 are respectively provided with the supporting foot rest, a linkage rod 10 which can drive the lower seat body 6 and the supporting foot rest to be folded is movably connected between the lower seat body 6 and the supporting foot rest, and the lower chair component also comprises a linkage rod 10 which locks the lower chair component in an unfolded state, the lower seat body 6 and a lower chair locking mechanism 21 which locks the supporting foot rest. Wherein, the rotatable connection structure of the upper seat body 1 and the backrest 5, the rotatable connection structure of the lower seat body 6 and the supporting foot stool, and the rotatable connection structure of the lower seat body 6 and the linkage rod 10 can be connected by a rotating shaft, hinged, etc., and the embodiment specifically adopts the rotating shaft connection. The backrest 5 can be sleeved with a quilt cushion, so that the use is more comfortable. The lower chair locking mechanism 21 and the upper chair locking mechanism 11 are not essential to the invention, and are omitted herein, and the prior art can be adopted, wherein the lower chair locking mechanism 21 can refer to the locking and releasing structure disclosed in chinese patent CN 2768576Y.

The two sides of the backrest 5 are also respectively rotatably connected with the armrest components on the corresponding sides. With back 5 and handrail components rotatable coupling, can realize back 5 and handrail components's interlock, through back 5 and handrail components's interlock, can drive seat of honour body 1 and remove to the horizontally user state.

The armrest component comprises an armrest 2, a first connecting rod 3 is rotatably connected to the front end of the armrest 2, the rear end of the armrest 2 is rotatably connected to a backrest 5, the front end of an upper seat body 1 is rotatably connected with the first connecting rod 3, the rear end of the upper seat body 1 is rotatably connected with the backrest 5, and the armrest 2, the upper seat body 1, the backrest 5 and the first connecting rod 3 on the same side form a foldable four-link mechanism. The folding of the upper chair component is realized through the four-bar mechanism, and the upper chair component can be more flat and smaller after being folded. The rotatable connection structure of the armrest 2 and the first link 3, the rotatable connection structure of the armrest 2 and the backrest 5, the rotatable connection structure of the upper seat body 1 and the first link 3, and the rotatable connection structure of the upper seat body 1 and the backrest 5 may be a rotating shaft connection, a hinge connection, etc., and the rotating shaft connection is specifically adopted in this embodiment. In addition, the upper chair locking mechanism 11 can lock the whole upper chair assembly by locking only one rotating point of the four-bar linkage mechanism.

The two sides of the backrest 5 are respectively provided with a backrest angle adjusting mechanism, and the backrest angle adjusting mechanism comprises an angle sectional structure arranged at the rear section of the handrail 2 at the same side and a movable bolt 12 which is arranged on the backrest 5 and matched with the angle sectional structure and can be unlocked; the armrest component further comprises a second connecting rod 4, the armrest 2 and the upper seat body 1 are respectively rotatably connected with the second connecting rod 4, and the upper seat body 1, the second connecting rod 4, the armrest 2 and the first connecting rod 3 on the same side form a foldable auxiliary four-bar linkage mechanism. By arranging the backrest angle adjusting mechanism, the angle of the backrest 5 in the use state can be adjusted, and a comfortable angle for the infant is provided. As shown in fig. 7 and 8, the angle-segmented structure includes an angle-segmented groove 13 provided at the rear end of the armrest 2, a plurality of angle-segmented grooves 14 are provided at intervals at the lower end of the angle-segmented groove 13, the moving bolt 12 is provided on the sidewall of the backrest 5, and the free end of the moving bolt 12 extends into the angle-segmented groove 13 on the same side, and when the upper seat assembly is in the unfolded state, the free end of the moving bolt 12 is caught in one of the angle-segmented grooves 14 of the angle-segmented grooves 13, so that the angle of the backrest 5 is fixed; when the backrest 5 needs to be unlocked and the angle of the backrest is adjusted, only the backrest 5 needs to be pulled upwards to enable the movable bolt 12 to be separated from the angle groove 14 in the angle sectional groove 13, meanwhile, the transverse bolt 17 on the side wall of the upper seat body 1 moves downwards relative to the long groove 27 on the side wall of the lower end of the backrest 5, meanwhile, the spring between the backrest 5 and the transverse bolt 17 is compressed, after the backrest 5 is adjusted to a comfortable angle by rotating the backrest 5 forwards and backwards, the backrest 5 is loosened, the backrest 5 is driven to move downwards under the elastic restoring action of the spring, and therefore the transverse bolt 17 on the upper seat body 1 moves upwards relative to the long groove 27 on the backrest 5, meanwhile, the movable bolt 12 on the backrest 5 also moves downwards and is clamped into the other angle groove 14 of the angle sectional groove 13 again. In addition, by arranging the auxiliary four-bar mechanism, the situation that the armrest 2 cannot be fixed and swayed or even folded carelessly due to the separation of the backrest 5 and the armrest 2 can be avoided when the angle of the backrest 5 is adjusted. In addition, the backrest angle adjusting mechanism can also adopt other structures with angle section structures and matched moving bolts, such as the structures disclosed in chinese patent CN2566726Y, chinese patent CN2922646Y or chinese patent CN2824719Y, which can achieve the angle adjusting effect.

The supporting foot stand comprises a front foot tube 7 and a rear foot tube 8, wherein one of the front foot tube 7, the rear foot tube 8 and the lower seat body 6 is rotatably connected with the other two, in the embodiment, the front foot tube 7 is rotatably connected with the rear foot tube 8, meanwhile, the front foot tube 7 is also rotatably connected with the lower seat body 6, one end of the linkage rod 10 is rotatably connected with the lower seat body 6, and the other end of the linkage rod is slidably connected with the front foot tube 7 or the rear foot tube 8, in the embodiment, the linkage rod 10 is slidably connected with the front foot tube 7, or the linkage rod 10 is a two-section movable connecting rod (not shown), one section of the linkage rod is rotatably connected with the lower seat body 6, and the other section of the linkage rod is rotatably connected with the front foot tube 7 or the rear foot tube 8; or the supporting foot stand comprises a front foot pipe 7 and a rear foot pipe 8, one of the front foot pipe 7, the rear foot pipe 8 and the lower seat body 6 is rotatably connected with the other two, in the embodiment, the front foot pipe 7 is rotatably connected with the rear foot pipe 8, meanwhile, the front leg tube 7 is also rotatably connected with the lower seat body 6, the supporting leg frame also comprises a leg frame supporting rod 9 for supporting the front leg tube 7 and the rear leg tube 8 to be unfolded, the linkage rod 10 and the foot rest support rod 9 can slide relative to the front foot tube 7 or the rear foot tube 8 in a linkage manner, the linkage rod 10 and the foot rest supporting rod 9 can be linked and slidingly connected relative to the front foot tube 7, and the foot rest supporting rod 9 is also rotatably connected with the rear foot tube 8, or at least one of the linkage rod 10 and the foot rest support rod 9 is a two-section type movable connecting rod (not shown), and two ends of the linkage rod 10 are respectively rotatably connected with the lower seat body 6 and the foot rest support rod 9. Wherein, the structure of rotatable connection of the front leg tube 7 and the rear leg tube 8, the structure of rotatable connection of the front leg tube 7 and the lower seat body 6, or the structure of rotatable connection of the rear leg tube 8 and the lower seat body 6, the structure of sliding connection of the linkage rod 10 and the front leg tube 7 or the rear leg tube 8, the structure of two-section movable connecting rod of the linkage rod 10 can be connected, hinged, etc. by a rotating shaft, and the embodiment specifically adopts rotating shaft connection. When the lower chair component is folded, the lower seat body 6 swings downwards to drive the linkage rod 10 to rotate, so that the linkage rod 10 drives the front foot tube 7 and/or the rear foot tube 8 to be folded, and when the lower chair component is unfolded, the lower seat body 6 swings upwards to drive the linkage rod 10 to rotate, so that the linkage rod 10 drives the front foot tube 7 or the rear foot tube 8 to be unfolded; when the foot rest supporting rod 9 is arranged, when the lower chair component is folded, the linkage rod 10 rotates to drive the foot rest supporting rod 9 to fold in a linkage manner, the front foot tube 7 and/or the rear foot tube 8 are driven to fold through the cooperation of the foot rest supporting rod 9 and the front foot tube 7 and/or the rear foot tube 8, when the lower chair component is unfolded, the foot rest supporting rod 9 is driven to unfold in a linkage manner through the rotation of the linkage rod 10, the front foot tube 7 or the rear foot tube 8 is driven to unfold through the cooperation of the foot rest supporting rod 9 and the lower chair component is more stable when being unfolded and is more convenient when being folded.

A body lock catch group is arranged between the upper seat body 1 and the lower seat body 6, the body lock catch group comprises a through hole 18 arranged on the upper seat body 1 and an elastic lug 19 arranged on the lower seat body 6, or comprises a through hole 18 arranged on the lower seat body 6 and an elastic lug 19 arranged on the upper seat body 1, when the upper seat assembly is sleeved on the lower seat assembly, the elastic lug 19 penetrates through the through hole 18, the upper seat body 1 is prevented from being separated from the lower seat body 6, and the connection of the upper seat body 1 and the lower seat body 6 is realized; when the upper seat body 1 needs to be detached, the upper seat body 1 can be removed only by pressing the elastic lug 19 to withdraw the elastic lug from the through hole 18. The through hole 18 and the elastic lug 19 are arranged on different objects, and if the through hole 18 is arranged on the lower seat body 6, the elastic lug is arranged on the upper seat body 1, and vice versa; in this embodiment, the through hole 18 is formed in the upper seat body 1, and the elastic protrusion 19 is formed in the lower seat body 6.

The upper seat body 1 comprises an upper central seat surface and an upper protection side table 15 located on the side edge of the upper central seat surface, a hollow groove with a downward opening is formed in the upper protection side table 15, the lower seat body 6 comprises a lower central seat surface and a lower protection side table 16 located on the side edge of the lower central seat surface, and when the upper seat assembly is connected with the lower seat assembly, the lower protection side table 16 of the lower seat body 6 extends into the hollow groove of the upper seat body 1 to stabilize the upper seat assembly and the lower seat assembly and avoid relative movement of the upper seat assembly and the lower seat assembly.

An interlocking unlocking mechanism for interlocking and releasing the upper chair locking mechanism 11 and the lower chair locking mechanism 21 is arranged between the upper chair assembly and the lower chair assembly. By providing the interlocking unlocking mechanism, the upper seat locking mechanism 11 and the lower seat locking mechanism 21 can be unlocked at the same time, and the use is more convenient.

As shown in fig. 9 and 10, the interlock unlocking mechanism includes a cam 20 disposed on the upper seat assembly and foldable with the upper seat assembly, a driving assembly disposed on the lower seat body 6 and driven by the cam 20 in an elastically pressable manner, and a traction member 25 connecting the driving assembly and the lower seat locking mechanism 21; preferably, the upper seat body 1 and the lower seat body 6 are respectively and correspondingly provided with a through hole for linking the cam 20 with the driving assembly, wherein the cam 20 is arranged at the bottom end of the side wall of the backrest 5, the driving assembly comprises a pressing block 22 which is arranged in the side wall of the lower seat body 6 and can move up and down, a driving member 24 which is linked with the pressing block 22, and a return spring 23 which drives the pressing block 22 and the driving member 24 to return, the driving member 24 and the lower seat locking mechanism 21 are connected into a whole through a traction member 25, and in the folding process of the multifunctional high chair, the cam 20 passes through the through hole and then presses down the pressing block 22, the pressing block 22 presses the return spring 23 and the driving member 24, and drives the traction member 25 to unlock the lower seat locking mechanism 21. When the multifunctional high chair needs to be folded, the upper chair locking mechanism 11 is unlocked, the backrest 5 is pressed downwards forwards, the cam 20 is driven to rotate when the backrest 5 rotates forwards, the cam 20 presses the pressing block 22 downwards, the pressing block 22 presses one end of the driving piece 24 downwards, and the other end of the driving piece 24 tilts upwards, so that the driving piece 24 controls the unlocking piece 26 of the lower chair locking mechanism 21 through the traction piece 25 to unlock the lower chair locking mechanism 21, and the linkage unlocking of the upper chair assembly and the lower chair assembly is realized, wherein the traction piece 25 can be a traction rope.

Claims (11)

1. A multifunctional high chair is characterized in that: comprises a foldable lower chair component and a foldable upper chair component which is detachably connected with the lower chair component;

the upper chair assembly comprises an upper seat body (1) for people to sit, two sides of the upper seat body (1) are respectively connected with an armrest assembly which can rotate relative to the upper seat body (1), the rear side of the upper seat body (1) is also connected with a backrest (5) which can rotate relative to the upper seat body, and the upper chair assembly also comprises an upper chair locking mechanism (11) for locking the upper chair assembly in an unfolded state;

the lower chair component comprises a lower seat body (6) for people to sit, a supporting foot rest which can be folded and can rotate relative to the lower seat body (6) is connected to the lower seat body (6), a linkage rod (10) which can drive the lower seat body (6) and the supporting foot rest to be folded is movably connected between the lower seat body (6) and the supporting foot rest, and the lower chair component further comprises a lower chair locking mechanism (21) which locks the lower chair component in an unfolded state.

2. A multifunctional highchair according to claim 1, characterized in that: the two sides of the backrest (5) are respectively and rotatably connected with the armrest components on the corresponding sides.

3. A multifunctional highchair according to claim 2, characterized in that: the armrest component comprises an armrest (2), a first connecting rod (3) is rotatably connected to the front end of the armrest (2), the rear end of the armrest (2) is rotatably connected to a backrest (5), the front end of an upper seat body (1) is rotatably connected with the first connecting rod (3), the rear end of the upper seat body (1) is rotatably connected with the backrest (5), and the armrest (2), the upper seat body (1), the backrest (5) and the first connecting rod (3) on the same side form a foldable four-link mechanism.

4. A multifunctional highchair according to claim 3, characterized in that: the backrest angle adjusting mechanisms are respectively arranged on two sides of the backrest (5) and comprise angle sectional structures arranged on the rear sections of the armrests (2) on the same side and lock-releasable moving bolts arranged on the backrest (5) and matched with the angle sectional structures; the handrail component further comprises a second connecting rod (4), the handrail (2) and the upper seat body (1) are respectively in rotatable connection with the second connecting rod (4), and the upper seat body (1), the second connecting rod (4), the handrail (2) and the first connecting rod (3) on the same side form a foldable auxiliary four-bar mechanism.

5. A multifunctional highchair according to claim 1, characterized in that: the supporting foot stand comprises a front foot tube (7) and a rear foot tube (8), the front foot tube (7), the rear foot tube (8) and one of the lower seat body (6) and the other lower seat body are rotatably connected, one end of a linkage rod (10) is rotatably connected to the lower seat body (6), the other end of the linkage rod is slidably connected with the front foot tube (7) or the rear foot tube (8), or the linkage rod (10) is a two-section type movable connecting rod, one section of the linkage rod is rotatably connected with the lower seat body (6), and the other section of the linkage rod is rotatably connected with the front foot tube (7) or the rear foot tube (8).

6. A multifunctional highchair according to claim 1, characterized in that: the supporting foot stand comprises a front foot pipe (7) and a rear foot pipe (8), and one of the front foot pipe (7), the rear foot pipe (8) and the lower seat body (6) is rotatably connected with the other two; the supporting foot rest also comprises a foot rest supporting rod (9) for supporting the front foot tube (7) and the rear foot tube (8) to be unfolded; the linkage rod (10) and the foot rest supporting rod (9) can slide relative to the front foot tube (7) or the rear foot tube (8) in a linkage manner, or at least one of the linkage rod (10) and the foot rest supporting rod (9) is a two-section type movable connecting rod, and two ends of the linkage rod (10) are respectively rotatably connected with the lower seat body (6) and the foot rest supporting rod (9).

7. A multifunctional highchair according to claim 1, characterized in that: be provided with body hasp group between upper seat body (1) and lower seat body (6), body hasp group is including setting up through-hole (18) on upper seat body (1) and setting up elasticity lug (19) on lower seat body (6), perhaps including setting up through-hole (18) on lower seat body (6) and setting up elasticity lug (19) on upper seat body (1), when upper chair subassembly cover is on lower chair subassembly, elasticity lug (19) are worn out by through-hole (18).

8. The multifunctional highchair according to claim 7, wherein: the upper seat body (1) comprises an upper central seat surface and an upper protection side table (15) located on the side edge of the upper central seat surface, a hollow groove with a downward opening is formed in the upper protection side table (15), the lower seat body (6) comprises a lower central seat surface and a lower protection side table (16) located on the side edge of the lower central seat surface, and when the upper seat assembly is connected with the lower seat assembly, the lower protection side table (16) of the lower seat body (6) extends into the hollow groove of the upper seat body (1).

9. A multifunctional highchair according to any one of claims 1 to 8, characterized in that: an interlocking unlocking mechanism for interlocking and releasing the upper chair locking mechanism (11) and the lower chair locking mechanism (21) is arranged between the upper chair assembly and the lower chair assembly.

10. A multifunctional highchair according to claim 9, characterized in that: the linkage unlocking mechanism comprises a cam (20) which is arranged on the upper chair component and can move along with the folding of the upper chair component, a driving component which is arranged on the lower seat body (6) in an elastically pressed manner and is driven by the cam (20), and a traction piece (25) which connects the driving component with the lower chair locking mechanism (21).

11. A multi-function highchair according to claim 10, wherein: the upper seat body (1) and the lower seat body (6) are respectively and correspondingly provided with a through hole for the linkage of the cam (20) and the driving component, wherein the cam (20) is arranged at the bottom end of the side wall of the backrest (5), the driving component comprises a pressing block (22) which is arranged in the side wall of the lower seat body (6) and can move up and down, a driving piece (24) which is linked with the pressing block (22) and a return spring (23) which drives the pressing block (22) and the driving piece (24) to return, the driving piece (24) and the lower chair locking mechanism (21) are connected into a whole through a traction piece (25), in the folding process of the multifunctional high chair, the cam (20) penetrates through the through hole and then presses the pressing block (22) downwards, the pressing block (22) presses the return spring (23) and the driving piece (24), and the traction piece (25) is driven to unlock the lower chair locking mechanism (21).

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