CN111466751B

CN111466751B - Multifunctional child seat

Info

Publication number: CN111466751B
Application number: CN202010308633.4A
Authority: CN
Inventors: 李小怀; 王爱萍
Original assignee: Fujian Rongzhong Renfa Children Products Co ltd
Current assignee: Fujian Rongzhong Renfa Children Products Co ltd
Priority date: 2020-04-18
Filing date: 2020-04-18
Publication date: 2023-12-29
Anticipated expiration: 2040-04-18
Also published as: CN111466751A

Abstract

The invention relates to the technical field of child seats, in particular to a multifunctional child seat. The invention relates to a multifunctional child seat, which comprises a support frame, a seat pocket and a swing arm. The two ends of the swing arm are respectively provided with a fixed clamping mechanism and a movable hinging mechanism, and the fixed clamping mechanism and the movable hinging mechanism are positioned on the same side of the swing arm; the other side of the swing arm is provided with an external mechanism; the outer side of the seat pocket is provided with an inner buckling mechanism matched with the external mechanism; the top of the support frame is provided with a connecting seat, the inner side of the connecting seat is respectively provided with a clamping seat and a hanging seat which are matched with the fixed clamping mechanism and the movable hinging mechanism, the fixed clamping mechanism can be detachably fixed on the clamping seat, and the movable hinging mechanism can be detachably hinged on the hanging seat. By rotating the swing arm and changing the connection position of the swing arm, the invention can be changed into various states of a dining chair, a swing, a seat or a lifting basket, and the connection structure between the swing arm, the seat pocket and the support frame can be changed into a plurality of using states, which have higher safety.

Description

Multifunctional child seat

Technical Field

The invention relates to the technical field of child seats, in particular to a multifunctional child seat.

Background

The Chinese patent with the publication number of CN103815702B discloses a child dining chair capable of being used as a swing, which comprises a supporting frame, a supporting rod, and a seat pocket, wherein the upper part of the supporting rod is rotationally connected with the upper part of the supporting frame, the lower part of the supporting rod is detachably connected with the lower part of the supporting frame, and the seat pocket is connected with the supporting rod. Through setting up the connection structure of bracing piece and support frame for children's seat can change into the swing, makes children's dining chair through above-mentioned structure dismouting combination can regard as dining chair to use, also can regard as children's swing to use.

The seat pocket is undetachably and rotatably arranged on the swing rod, and when the seat pocket is used as a dining chair, a telescopic rod support is additionally arranged below the swing rod to prevent the swing rod from rotating. When the swing is used, the telescopic rod needs to be detached and additionally stored.

The prior art solutions described above have the following drawbacks:

when the dining chair is used, the swinging rod bears most of gravity from the seat pocket, the stress of the swinging rod is transferred to the connecting part of the swinging rod and the telescopic rod through the swinging rod part, and the connecting structure of the swinging rod and the telescopic rod is greatly damaged after long-time use, so that the dining chair is used; and the assembly parts of the child dining chair are numerous, the structure between the seat pocket and the support frame is complex, and the child dining chair is inconvenient to assemble or disassemble.

Disclosure of Invention

Aiming at the defects existing in the prior art, the invention aims to provide the multifunctional child seat which has the advantages of being capable of being converted into a plurality of using modes, being stable and safe in each using mode and being used for a long time, and being convenient to disassemble and use due to fewer components.

The above object of the present invention is achieved by the following technical solutions: a multifunctional child seat comprises a support frame and a seat pocket, wherein swing arms connected with the support frame are respectively arranged on two sides of the seat pocket. The two ends of the swing arm are respectively provided with a fixed clamping mechanism and a movable hinging mechanism, and the fixed clamping mechanism and the movable hinging mechanism are positioned on the same side of the swing arm; an external connection mechanism is arranged on the other side of the swing arm; an inner buckling mechanism matched with the external mechanism is arranged on the outer side of the seat pocket; the top of the support frame is provided with a connecting seat, the inner side of the connecting seat is respectively provided with a clamping seat and a hanging seat which are matched with the fixed clamping mechanism and the movable hinging mechanism, the fixed clamping mechanism can be detachably fixed on the clamping seat, and the movable hinging mechanism can be detachably hinged on the hanging seat.

By adopting the technical scheme, when the fixing and clamping mechanism of the swing arm is fixedly arranged on the clamping seat, the dining chair is used as the dining chair, and the seat pocket, the swing arm and the support frame are relatively fixed; when the movable hinge mechanism of the swing arm is hinged to the hanging seat, the swing arm is used as a swing, and the swing arm drives the seat pocket to swing back and forth by taking the connecting part of the movable hinge mechanism and the hanging seat as the axis; when the swing arm rotates to the inclined rear of the seat pocket and the movable hinge mechanism is separated from the hanging seat, the child seat can be used as a child seat; when the swing arm rotates to the upper part of the seat pocket and the movable hinge mechanisms are separated from the hanging seat, the connecting mechanism can be added between the movable hinge mechanisms at two sides of the seat pocket, so that the seat pocket is used as a basket, or the swing arm is replaced by a carrying handle with an external mechanism, and the seat pocket is used as the basket independently.

The invention is mainly composed of a supporting frame, a seat pocket and a swing arm, and has fewer components and convenient disassembly and assembly. And when the swing is used as a swing or a dining chair, the load from the seat pocket is borne by the connecting seat and the support frame at the top of the support frame, so that the stability is high.

The present invention may be further configured in a preferred example to: the inner buckling mechanism comprises buckling holes; the external connection mechanism comprises a sleeve and a buckling part; the buckling part is buckled and installed in the buckling hole, and the outer diameter of the buckling part is not larger than the inner diameter of the buckling hole; and a limiting structure is arranged between the inner buckling mechanism and the external connection mechanism and used for limiting the rotating range of the buckling part around the buckling hole and preventing the seat pocket from turning backwards.

By adopting the technical scheme, the inner buckling mechanism is hinged with the buckling part through the buckling hole and the outer connecting mechanism, and the range of rotation of the buckling part around the buckling hole is limited through the limiting structure, so that the front surface of the seat pocket is kept upwards and forwards, and backward turning is avoided. For example, when the seat is used as a dining chair, the seat pocket and the swing arm are relatively fixed through the limiting structure; when the swing is used as the swing, the swing arm and the seat pocket rotate in a limited range through the limiting structure, so that the use safety of children is improved.

The present invention may be further configured in a preferred example to: the outer side of the buckling hole is provided with a buckling pipe coaxial with the buckling hole, and the inner diameter of the buckling pipe is not smaller than that of the buckling hole; the limiting structure comprises an inner limiting block fixed on the outer peripheral wall of the buckling pipe and an outer limiting block fixed on the inner wall of the sleeve; the inner limiting block is positioned above the rear part of the outer peripheral wall of the buckling pipe; the outer diameter of a virtual circular ring formed by taking the axis of the buckling hole as the central axis of the inner limiting block is not larger than the inner diameter of the sleeve; the inner diameter of a virtual circular ring formed by taking the axis of the sleeve as the central axis of the outer limiting block is not larger than the outer diameter of the buckling pipe; when the fixed clamping mechanism is fixedly arranged on the clamping seat, the outer limiting block is positioned at the rear lower part, and the outer limiting block is abutted against the lower part of the inner limiting block.

By adopting the technical scheme, when the dining chair is used, the fixed clamping mechanism is fixedly arranged on the clamping seat, the inner limiting block is positioned at the rear upper part of the peripheral wall of the buckling pipe, the outer limiting block is positioned at the rear lower part, and the outer limiting block is abutted to be positioned below the inner limiting block, so that the inner buckling mechanism and the external mechanism are relatively fixed, the seat pocket, the swing arm and the support frame are further kept relatively stable, the seat pocket is prevented from rotating in use, and the use safety is improved.

When the swing is used, the movable hinge mechanism is hinged to the hanging seat, the outer limiting block and the inner limiting block are both positioned at the upper part of the sleeve, and the outer limiting block is positioned at the front side of the inner limiting block; the swing arm swings with the seat pocket, the inner buckling mechanism rotates with the external mechanism, and the outer limiting block and the inner limiting block are continuously separated and abutted.

The present invention may be further configured in a preferred example to: the outer peripheral wall of the inner limiting block is provided with convex teeth, and the inner wall of the sleeve is provided with an annular gear matched with the convex teeth; when the external connection mechanism is arranged on the inner buckling mechanism, the convex teeth are meshed with the inner gear ring; the inner gear ring and the convex teeth are made of plastic materials.

By adopting the technical scheme, the integral structure of the inner limiting block is similar to the convex gear, the sleeve is similar to the annular gear, and when the inner limiting block is fixed, the inner limiting block and the sleeve are self-locked and used for limiting the sleeve to rotate around the buckling pipe, so that the stability of the dining chair, the seat and the basket is improved. The convex teeth and the gear ring are made of plastic materials, have certain elastic deformation, and can rotate between the sleeve and the inner limiting block under the action of gravity or other external force of the seat pocket and a user when the swing is used.

The present invention may be further configured in a preferred example to: the buckling part is tubular, and a plurality of strip seams with notches at the outer end are arranged on the buckling part along the axial direction; the outer end of the buckling part is provided with two radially outward convex buckles.

By adopting the technical scheme, in the process that the buckling part is arranged in the buckling hole, the convex buckle is extruded by the buckling hole to move radially inwards, so that the buckling is realized. The outer wall of the convex buckle can be provided with an inclined plane, so that the strength of the convex buckle is enhanced, the convex buckle is reduced from being bent outwards in the axial direction, and the buckling part is separated from the buckling hole.

The buckling pipe is provided with a slot along the axial direction, and the width of the slot is not smaller than that of the convex buckle.

The present invention may be further configured in a preferred example to: the seat pocket is outwards provided with an extension plate encircling the peripheral edge; the extension plate positioned in the middle of the seat pocket is bent downwards; the inner buckle mechanism is positioned on the outer side of the extension plate in the middle of the seat pocket; the buckling holes penetrate through the extending plates at the corresponding positions.

By adopting the technical scheme, the extension plate can enhance the strength of the seat pocket. The connection position of the inner buckling mechanism and the seat pocket is positioned in the middle of the seat pocket, the inner buckling mechanism is connected with the extension plate for installation, and the seat pocket is damaged in the process of dismounting the inner buckling mechanism and the external mechanism.

The present invention may be further configured in a preferred example to: the inner side of the connecting seat is provided with an inner groove, the clamping seat is a T-shaped raised line which is longitudinally arranged, one side of the clamping seat far away from the seat pocket is the inner side of the clamping seat, and the width of the inner side of the clamping seat is smaller than that of the outer side of the clamping seat; the fixing and clamping mechanism is a cover body with an opening, the opening is matched with the T-shaped convex strip, and the cover body is matched with the outer side of the clamping seat; the outside of the cover body is provided with a longitudinal strip hole which is matched with the inside of the clamping seat.

By adopting the technical scheme, when the dining chair is used, the cover body of the fixing and clamping mechanism is fixedly sleeved with the clamping seat, the swing arm is fixedly connected with the support frame and the connecting seat, and the seat pocket and the swing arm are relatively fixed through the limiting structure, so that the seat pocket, the swing arm and the support frame form a fixed structure, and the use safety of the dining chair is improved.

The present invention may be further configured in a preferred example to: the clamping seat comprises two T-shaped convex strips, and the fixing and clamping mechanism is provided with two cover bodies corresponding to the T-shaped convex strips; the hanging seat is arranged between the two T-shaped convex strips, and the hanging seat is positioned at the lower part of the clamping seat.

By adopting the technical scheme, the plurality of corresponding T-shaped raised strips and the cover body can further improve the stable installation between the clamping seat and the fixed clamping mechanism. Meanwhile, the hanging seat is arranged between the two T-shaped convex strips at the lower part of the clamping seat, so that the structure of the connecting seat is compact.

The present invention may be further configured in a preferred example to: the outer side of the hanging seat is a semi-annular part with a notch at the upper part, the inner side of the lower part of the semi-annular part is provided with a connecting groove, and the upper end surface of the semi-annular part is higher than the connecting groove; the movable hinge mechanism comprises a rotating shaft, a flange is radially outwards arranged on the outer side of the rotating shaft, and the flange is matched with the connecting groove; the outer diameter of the rotating shaft is not larger than the inner diameter of the semi-annular piece; the axial length of the rotating shaft is not smaller than that of the semi-annular piece; the rotating shaft is hung on the semi-annular piece through the notch.

By adopting the technical scheme, the movable hinge mechanism can be directly hung on the hanging seat, and the assembly and the disassembly are simple. The flange of the rotating shaft can prevent the movable hinge mechanism from being separated from the hanging seat.

When the hanging seat is positioned below the clamping seat, the two T-shaped convex strips extend upwards corresponding to the two sides of the notch of the semi-annular piece, so that the rotation shaft child hanging seat can be further prevented from being separated during use.

The present invention may be further configured in a preferred example to: the flange is fan-shaped; when the movable hinge mechanism is hinged to the hanging seat, the flange is positioned at the lower part of the rotating shaft.

By adopting the technical scheme, under the condition of ensuring the stable connection between the movable hinge mechanism and the hanging seat, the fan-shaped flange can save materials. If the movable hinge mechanism is made by injection molding, the fan-shaped flange can be conveniently demoulded.

The present invention may be further configured in a preferred example to: the support frame includes top fixed connection's first support and second support, and first support, second support pass through connecting seat fixed connection, are "inverted V" shape.

By adopting the technical scheme, the inverted V-shaped supporting frame can better support the seat pocket. The lower parts of the first bracket and the second bracket can be also provided with fixed connection structures such as connecting rods.

In summary, the present invention includes at least one of the following beneficial technical effects:

1. the invention can be changed into various using structures and various different functions by rotating the swing arm and changing the connection position of the swing arm.

2. The invention has few integral components and is convenient to disassemble and use.

3. The connecting structure of the inner fastening mechanism and the external connection mechanism can ensure that each use state of the invention has higher safety.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic view of the structure of the support frame of the present invention;

FIG. 3 is a schematic view of the outside structure of a swing arm according to the present invention;

FIG. 4 is a schematic view of the seat pocket of the present invention;

FIG. 5 is a schematic illustration of the inboard construction of the swing arm of the present invention;

FIG. 6 is a schematic view of the structure of the connecting base of the present invention;

FIG. 7 is a view showing the use of the present invention as a dining chair;

FIG. 8 is a schematic view of the connection structure of the swing arm and seat pocket for use as a dining chair according to the present invention;

fig. 9 is an enlarged view of a portion a in fig. 8;

FIG. 10 is a schematic view of a connection structure of a swing arm and a seat pocket used as a swing according to the present invention;

FIG. 11 is an enlarged view of portion B of FIG. 10;

FIG. 12 is a view of the present invention in use as a seat;

FIG. 13 is a view of the invention in use as a basket.

In the figure, 1, a supporting frame; 2. a seat pocket; 3. swing arms; 4. a fixed clamping mechanism; 5. a movable hinge mechanism; 6. an external connection mechanism; 7. an inner buckling mechanism; 8. a connecting seat; 9. a clamping seat; 110. a hanging seat; 11. a button hole; 12. buckling a pipe; 13. an inner limiting block; 14. a sleeve; 15. a fastening part; 16. an outer limiting block; 17. convex teeth; 18. an inner gear ring; 19. a strip slit; 20. a convex buckle; 21. an inner groove; 22. t-shaped raised strips; 23. a cover body; 24. a longitudinal strip hole; 25. a semi-annular member; 26. a connecting groove; 27. a rotating shaft; 28. a flange; 29. an extension plate; 30. a detachable table plate; 31. a desk plate mounting hole; 32. a first bracket; 33. a second bracket; 34. reinforcing ribs; 35. a plate; 36. an arc-shaped guide surface; 37. and a through hole.

Description of the embodiments

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, a multifunctional child seat comprises a support frame 1 and a seat pocket 2, wherein swing arms 3 connected with the support frame 1 are respectively arranged on two sides of the seat pocket 2. The two ends of the swing arm 3 are respectively provided with a fixed clamping mechanism 4 and a movable hinging mechanism 5, and the fixed clamping mechanism 4 and the movable hinging mechanism 5 are positioned on the same side of the swing arm 3; the other side of the swing arm 3 is provided with an external connection mechanism 6; the outer side of the seat pocket 2 is provided with an inner buckling mechanism 7 matched with the external connection mechanism 6.

As shown in fig. 1, the support 1 includes a first bracket 32 and a second bracket fixedly connected to each other at the top, and the first bracket 32 and the second bracket are fixedly connected through a connecting seat 8 and are in a inverted V shape. The lower parts of the first bracket 32 and the second bracket can be also provided with fixed connection structures such as connecting rods. The support frame 1 in the shape of a' can better support the seat pocket 2. The lower parts of the first bracket 32 and the second bracket can be also provided with fixed connection structures such as connecting rods.

As shown in fig. 2 and 3, a connecting seat 8 is arranged at the top of the supporting frame 1, a clamping seat 9 and a hanging seat 110 matched with the fixed clamping mechanism 4 and the movable hinging mechanism 5 are respectively arranged at the inner side of the connecting seat 8, the fixed clamping mechanism 4 is detachably fixed on the clamping seat 9, and the movable hinging mechanism 5 is detachably hinged on the hanging seat 110.

As shown in fig. 4 and 5, the inner fastening mechanism 7 includes a fastening hole 11; the outer side of the buckling hole 11 is provided with a buckling pipe 12 coaxial with the buckling hole, and the inner diameter of the buckling pipe 12 is larger than the inner diameter of the buckling hole 11; an inner limiting block 13 is fixed on the outer peripheral wall of the buckling pipe 12; the external connection mechanism 6 comprises a sleeve 14 and a buckling part 15; the buckling part 15 is buckled and installed in the buckling hole 11, and the outer diameter of the buckling part 15 is not larger than the inner diameter of the buckling hole 11; an outer limiting block 16 is fixed on the inner wall of the sleeve 14. The inner limiting block 13 is positioned above the rear part of the outer peripheral wall of the buckling pipe 12; the outer diameter of a virtual circular ring formed by the inner limiting block 13 by taking the axis of the button hole 11 as a central axis is not larger than the inner diameter of the sleeve 14; the inner diameter of the virtual circular ring formed by taking the axis of the sleeve 14 as the central axis of the outer limiting block 16 is not larger than the outer diameter of the buckling pipe 12.

As shown in fig. 4 and 5, the outer peripheral wall of the inner limiting block 13 is provided with convex teeth 17, and the inner wall of the sleeve 14 is provided with an inner gear ring 18 matched with the convex teeth 17.

The inner limiting block 13 is fan-shaped, the inner limiting block 13 is a hollow tubular column axially arranged along the buckling pipe 12, the inner limiting block 13 manufactured by the structure can save manufacturing materials, the overall density of the inner limiting block 13 manufactured by injection molding is uniform, damage caused by stress concentration in the use process is avoided, a guide surface with an outer convex arc shape is arranged on the outer side of the convex tooth 17, the convex tooth 17 and the inner gear ring 18 are prevented from rotating and rubbing more smoothly, and the use safety is improved.

As shown in fig. 9, the outer stopper 16 is a hollow pipe column axially arranged along the sleeve 15, the outer shape of the outer stopper 16 is in a fan shape, and the side surfaces of the outer stopper 16 and the inner stopper 13, which are in contact with each other, overlap with the diameters of the sleeve 14 and the buckling pipe 12, respectively. When the outer limiting block 16 is in contact with the inner limiting block 13, the outer limiting block 16 and the inner limiting block are in surface contact, and the inner buckling mechanism 7 and the external connecting mechanism 6 can be kept stable better.

As shown in fig. 3 and 5, the two cover bodies 23 of the fixing and fastening mechanism 4 are mirror images of each other with the center of the end of the swing arm 3 as a symmetry point. The interval between the two cover bodies 23 is matched with the buckling part 15, through holes 37 are respectively formed above and below the buckling part 15, and the through holes 37 are just positioned between the two cover bodies 23. The outer stopper 16 is provided partially corresponding to the front cover 23.

When swing arm 3, seat pocket 2, connecting seat fixed mounting, the load of seat pocket loops through interior knot mechanism, external mechanism, fixed joint mechanism, cassette conduction to the support frame, and the transmission direction of whole power tends to the straight line, avoids adjacent part atress face or atress direction difference too big, produces atress or reverse force of different directions, leads to the support frame atress to be greater than the load of seat pocket.

As shown in fig. 9 and 11, when the external connection mechanism 6 is mounted on the inner fastening mechanism 7, the convex teeth 17 are meshed with the inner gear ring 18; the inner gear ring 18 and the convex teeth 17 are made of plastic materials. The radial length of the annular gear 18 is smaller than that of the convex teeth 17, so that the convex teeth 17 are separated from the annular gear when rotating.

As shown in fig. 4 and 5, the fastening portion 15 is tubular, and the fastening portion 15 is provided with a plurality of slits 19 with notches at the outer end along the axial direction; the outer end of the fastening portion 15 is provided with two radially outwardly projecting buttons 20. The buckling pipe 12 is provided with a groove along the axial direction, and the width of the groove is not smaller than that of the convex buckle 20. The radian of the slot is smaller than that of the outer limiting block 16.

When the fastening portion 15 passes through the fastening tube 12, one of the male fasteners 20 may be located in the slot of the fastening tube 12 or outside the slot, so as to reduce deformation caused by the fastening portion 15 receiving the extrusion from the fastening tube 12, which affects the fastening portion 15 to be stably mounted in the fastening hole 11. During installation, the male buckle 20 continues to move towards the buckle hole 11 along the buckle pipe 12, and the inner diameter of the buckle pipe 12 is larger than that of the buckle hole 11, which corresponds to that the buckle hole 11 is provided with a radially inward convex ring. During installation, the buckling part 15 is extruded by the convex ring of the buckling hole 11 to move radially inwards, so that buckling is realized. Therefore, the buckling part 15 can be prevented from being deformed or even bent due to the fact that the buckling part 15 axially passes through the longer buckling pipe 12, and the buckling part 15 loses the clamping effect.

The outer wall of the male buckle 20 can be provided with an inclined surface, so that the strength of the male buckle 20 is enhanced, the outward axial bending of the male buckle 20 is reduced, and the buckling part 15 is prevented from being separated from the buckling hole 11.

As shown in fig. 5, the swing arm 3 includes two plates 35 and an arc-shaped guide surface 36, and the arc-shaped guide surface 36 is connected to one side of the two plates 35; a plurality of reinforcing ribs 34 are also provided between the two plates 35. The structure is when guaranteeing swing arm 3 joint strength, saves preparation material, and plate 35, arc guide surface 26, strengthening rib 34's thickness are close moreover, adopts when moulding plastics the preparation, guarantees to fill evenly, is difficult for appearing filling excessive or not enough, guarantees that inside density is even, reduces the in-process and leads to the stress difference to cause the easy cracked problem of swing arm to appear because of the density is different.

As shown in fig. 3, when the fixing clip mechanism 4 is located above the swing arm 3, the arc-shaped guide surface 36 is located on the front side of the plate 35. The fixed clamping mechanism 4 is arranged on the clamping seat, the external connecting mechanism is connected with the internal buckling mechanism to enable the seat pocket, the swing arm and the supporting frame to be sequentially fixed, the formed gap is small, and the arc-shaped guide surface 36 can prevent the fingers from extending between the two plates 35 to cause damage when the child sits in the seat pocket.

The plate 35 is flush with the outer wall 14 of the sleeve, and the connection part of the plate 35 and the sleeve 14 is thickened, so that the swing arm 3 is connected with the sleeve 14 more firmly.

As shown in fig. 5, the arcuate guide surface 36 is concavely disposed toward the movable hinge mechanism 5 at an end portion near the movable hinge mechanism 5. The concave arrangement of the end part can avoid the cracking of the end part of the arc-shaped guide surface 36 caused by concentrated stress during the hinging and swinging process of the movable hinging mechanism and the hanging seat.

The cross section of the swing arm 3 formed by the plate 35 and the arc-shaped guide surface 36 is similar to a U shape, and the strength of the swing arm 3 can be improved by matching with the reinforcing ribs 34. The axial length of the sleeve 14 is not less than the thickness of the swing arm 3. The outer limit block 16 is close to the connection position of the plate and the sleeve 14, so that the use strength of the outer limit block 16 can be enhanced.

As shown in fig. 3 and 6, the inner side of the connecting seat 8 is provided with an inner groove 21, the clamping seat 9 comprises two T-shaped convex strips 22 which are longitudinally arranged, the side of the clamping seat 9 away from the seat pocket 2 is the inner side of the clamping seat 9, and the width of the inner side of the clamping seat 9 is smaller than the width of the outer side of the clamping seat 9; the fixed clamping mechanism 4 comprises two cover bodies 23 with openings, the openings are matched with the T-shaped raised strips 22, and the cover bodies 23 are matched with the outer sides of the clamping seats 9; the outer side of the cover body 23 is provided with a longitudinal strip hole 24 which is matched with the inner side of the clamping seat 9; the cover 23 is correspondingly sleeved with the T-shaped convex strips 22.

As shown in fig. 3 and 6, the outer side of the hanging seat 110 is a semi-annular member 25 with a notch at the upper part, the inner side of the lower part of the semi-annular member 25 is provided with a connecting groove 26, and the upper end surface of the semi-annular member 25 is higher than the connecting groove 26; the movable hinge mechanism 5 comprises a rotating shaft 27, a flange 28 is arranged outside the rotating shaft 27 in a radial outward direction, and the flange 28 is matched with the connecting groove 26; the outer diameter of the rotating shaft 27 is not larger than the inner diameter of the semi-annular member 25; the axial length of the rotating shaft 27 is not smaller than the axial length of the semi-annular member 25; the rotation shaft 27 is hung on the semi-annular member 25 through the notch. Flange 28 is scalloped; when the movable hinge mechanism 5 is hinged to the hanging seat 110, the flange 28 is located at the lower portion of the rotation shaft 27.

One end of the swing arm 3 close to the movable hinge mechanism 5 is bent to one side,

as shown in fig. 4, the seat pocket 2 is outwardly provided with an extension plate 29 surrounding the outer peripheral edge; the extension plate 29 positioned in the middle of the seat pocket 2 is bent downwards; the inner buckle mechanism 7 is positioned outside the extension plate 29 in the middle of the seat pocket 2; the button holes 11 penetrate through the extension plates 29 at the corresponding positions.

As shown in fig. 1 and 7, a detachable table 30 is provided on the front side of the seat pocket 2. The seat pocket 2 is provided with a desk plate mounting hole 31 in front, and the detachable desk plate 30 is detachably mounted in the desk plate mounting hole 31.

The seat pocket 2, the swing arm 3, the connecting seat 8 and other parts are manufactured through an injection molding process, the injection molding process comprises a melting procedure, ultrasonic waves are adopted to promote particle dispersion in the melting process, and the tensile strength and the wear resistance of the seat pocket 2, the swing arm 3, the connecting seat 8 and other parts are improved.

The invention can be used as a dining chair, as shown in figure 10, the swing arm 3 rotates around the inner buckle mechanism 7 along with the external mechanism 6, and the movable hinge mechanism 5 is positioned at the lower end of the swing arm 3.

As shown in fig. 2 and 3, the opening of the cover 23 of the fixing and fastening mechanism 4 faces downward, and the fixing and fastening mechanism 4 is sleeved on the clamping seat 9 from top to bottom.

As shown in fig. 8 and 9, simultaneously, the inner limiting block 13 is located at the rear upper side of the outer peripheral wall of the buckling pipe 12, the outer limiting block 16 is located at the rear lower side, the outer limiting block 16 is abutted against the lower side of the inner limiting block 13, the inner buckling mechanism 7 and the external connecting mechanism 6 are relatively fixed, and the seat pocket 2 is firmly connected with the swing arm 3 and the supporting frame 1.

The swing arm 3 rotates around the inner buckle mechanism 7 along with the external mechanism 6 as shown in fig. 12, so that the movable hinge mechanism 5 is positioned at the upper end of the swing arm 3.

As shown in fig. 2 and 3, the rotation shaft 27 of the movable hinge mechanism 5 is hung on the hanging seat 110 from top to bottom through the two T-shaped protruding strips 22.

As shown in fig. 10 and 11, the outer limiting block 16 and the inner limiting block 13 are both positioned at the upper part of the sleeve 14, and the outer limiting block 16 is positioned at the front side of the inner limiting block 13; the swing arm 3 swings with the seat pocket 2, the inner buckling mechanism 7 rotates with the external connection mechanism 6 along with the rotation of the movable hinging mechanism 5 around the hanging seat 110, and the outer limiting block 16 and the inner limiting block 13 are continuously separated and abutted.

The invention can be used as a seat, as shown in fig. 9 and 12, the swing arm 3 rotates around the inner buckle mechanism 7 along with the external mechanism 6, the movable hinge mechanism 5 is positioned at the lower end of the swing arm 3, and the swing arm 3 is separated from the support frame 1; meanwhile, the inner limiting block 13 is positioned at the rear upper part of the outer peripheral wall of the buckling pipe 12, the outer limiting block 16 is positioned at the rear lower part, the outer limiting block 16 is abutted against the lower part of the inner limiting block 13, and the inner buckling mechanism 7 and the external connection mechanism 6 are relatively fixed.

As shown in fig. 12, the seat pocket 2 is firmly connected with the swing arm 3, and the swing arm 3 supports the seat pocket 2 from the rear of the seat pocket 2, so that the seat pocket 2 maintains a seating state.

The invention can be used as a basket, as shown in fig. 11 and 13, the swing arm 3 rotates around the inner buckle along with the external connection mechanism 6, so that the movable hinge mechanism 5 is positioned at the upper end of the swing arm 3, and the swing arm 3 is replaced by a carrying handle with the external connection mechanism 6 by other connection mechanisms; simultaneously, the outer limiting block 16 and the inner limiting block 13 are both positioned at the upper part of the sleeve 14, and the outer limiting block 16 is positioned at the front side of the inner limiting block 13; the swing arm 3 swings with the seat pocket 2, the inner buckling mechanism 7 rotates with the external connection mechanism 6 along with the rotation of the movable hinging mechanism 5 around the hanging seat 110, and the outer limiting block 16 and the inner limiting block 13 are continuously separated and abutted.

As shown in fig. 13, the swing arm 3 corresponds to a handle at this time. Other connecting mechanisms can be added between the two swing arms 3, so that the basket is convenient to use.

The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.

Claims

1. The utility model provides a many functions children's seat, includes support frame (1) and seat pocket (2), and seat pocket (2) both sides are equipped with swing arm (3) that are connected with support frame (1) respectively, its characterized in that: two ends of the swing arm (3) are respectively provided with a fixed clamping mechanism (4) and a movable hinging mechanism (5), and the fixed clamping mechanism (4) and the movable hinging mechanism (5) are positioned on the same side of the swing arm (3); an external connection mechanism (6) is arranged on the other side of the swing arm (3); an inner buckle mechanism (7) matched with the external mechanism (6) is arranged on the outer side of the seat pocket (2); the top of the supporting frame (1) is provided with a connecting seat (8), the inner side of the connecting seat (8) is respectively provided with a clamping seat (9) and a hanging seat (110) which are matched with the fixed clamping mechanism (4) and the movable hinging mechanism (5), the fixed clamping mechanism (4) is detachably fixed on the clamping seat (9), and the movable hinging mechanism (5) is detachably hinged on the hanging seat (110);

the inner buckling mechanism (7) comprises a buckling hole (11); the external connection mechanism (6) comprises a sleeve (14) and a buckling part (15); the buckling part (15) is buckled and installed on the buckling hole (11), and the outer diameter of the buckling part (15) is not larger than the inner diameter of the buckling hole (11); a limiting structure is arranged between the inner buckling mechanism (7) and the external connection mechanism (6), and is used for limiting the rotating range of the buckling part (15) around the buckling hole (11) and preventing the seat pocket (2) from turning backwards;

the outer side of the buckling hole (11) is provided with a buckling pipe (12) coaxial with the buckling hole, and the inner diameter of the buckling pipe (12) is not smaller than the inner diameter of the buckling hole (11); the limiting structure comprises an inner limiting block (13) fixed on the outer peripheral wall of the buckling pipe (12) and an outer limiting block (16) fixed on the inner wall of the sleeve (14); the inner limiting block (13) is positioned above the rear part of the outer peripheral wall of the buckling pipe (12); the outer diameter of a virtual circular ring formed by the inner limiting block (13) with the axis of the buckling hole (11) as a central axis is not larger than the inner diameter of the sleeve (14); the inner diameter of a virtual circular ring formed by the outer limiting block (16) with the axis of the sleeve (14) as the central axis is not larger than the outer diameter of the buckling pipe (12); when the fixed clamping mechanism (4) is fixedly arranged on the clamping seat (9), the outer limiting block (16) is positioned at the rear lower part, and the outer limiting block (16) is abutted against the lower part of the inner limiting block (13).

2. A multi-purpose child seat according to claim 1, wherein: the outer peripheral wall of the inner limiting block (13) is provided with convex teeth (17), and the inner wall of the sleeve (14) is provided with an inner gear ring (18) matched with the convex teeth (17); when the external connection mechanism (6) is arranged on the internal buckling mechanism (7), the convex teeth (17) are meshed with the inner gear ring (18); the inner gear ring (18) and the convex teeth (17) are made of plastic materials.

3. A multi-purpose child seat according to claim 1, wherein: the buckling part (15) is tubular, and a plurality of strip seams (19) with notches at the outer end of the buckling part (15) are arranged along the axial direction; the outer end of the buckling part (15) is provided with two radially outward convex buckles (20).

4. A multi-purpose child seat according to claim 1, wherein: the seat pocket (2) is outwards provided with an extension plate (29) surrounding the peripheral edge; the extension plate (29) positioned in the middle of the seat pocket (2) is downwards bent; the inner buckle mechanism (7) is positioned at the outer side of an extension plate (29) in the middle of the seat pocket (2); the buckling holes (11) penetrate through the extending plates (29) at the corresponding positions.

5. A multi-purpose child seat according to claim 1, wherein: the inner side of the connecting seat (8) is provided with an inner groove (21), the clamping seat (9) is a T-shaped raised line (22) which is longitudinally arranged, one side of the clamping seat (9) far away from the seat pocket (2) is the inner side of the clamping seat (9), and the width of the inner side of the clamping seat (9) is smaller than the width of the outer side of the clamping seat (9); the fixing and clamping mechanism (4) is a cover body (23) with an opening, the opening is matched with the T-shaped raised line (22), and the cover body (23) is matched with the outer side of the clamping seat (9); the outer side of the cover body (23) is provided with a longitudinal strip hole (24) which is matched with the inner side of the clamping seat (9).

6. A multi-purpose child seat according to claim 5, wherein: the clamping seat (9) comprises two T-shaped raised strips (22), and the fixed clamping mechanism (4) is provided with two cover bodies (23) corresponding to the T-shaped raised strips (22); the hanging seat (110) is arranged between the two T-shaped convex strips (22), and the hanging seat (110) is positioned at the lower part of the clamping seat (9).

7. A multi-purpose child seat according to claim 1 or 6, wherein: the outer side of the hanging seat (110) is provided with a semi-annular piece (25) with a notch at the upper part, the inner side of the lower part of the semi-annular piece (25) is provided with a connecting groove (26), and the upper end surface of the semi-annular piece (25) is higher than the connecting groove (26); the movable hinging mechanism (5) comprises a rotating shaft (27), a flange (28) is arranged outside the rotating shaft (27) in a radial outward direction, and the flange (28) is matched with the connecting groove (26); the outer diameter of the rotating shaft (27) is not larger than the inner diameter of the semi-annular piece (25); the axial length of the rotating shaft (27) is not smaller than that of the semi-annular piece (25); the rotating shaft (27) is hung on the semi-annular piece (25) through the notch.

8. A multi-purpose child seat according to claim 7, wherein: -said flange (28) is sector-shaped; when the movable hinge mechanism (5) is hinged to the hanging seat (110), the flange (28) is positioned at the lower part of the rotating shaft (27).