CN115590335A - Children's dining table chair and desktop bearing structure - Google Patents

Abstract

The invention relates to the technical field of children tools, and discloses a children dining table chair and a desktop supporting structure, which comprises a chair seat and chair legs below the chair seat, wherein a support is arranged above the chair seat, a backrest is arranged at the rear side of the support, the front end of the support is detachably connected with a table plate through a connecting assembly, the front side of the support is symmetrically provided with a handrail part and a support upright post bent downwards, the connecting assembly comprises a first connecting piece arranged on the handrail part and a support connecting rod mechanism arranged on the support upright post, the first connecting piece and the support connecting rod mechanism are provided with an arc-shaped bayonet matched with the support, the bottom of the inner side of the table plate is provided with a first fixing seat matched with the first connecting piece, the bottom of the outer side of the table plate is provided with a second fixing seat matched with the support connecting rod mechanism, and the arc-shaped bayonet is internally provided with a columnar bayonet matched with positioning hole arranged on the handrail part and the support upright post. The problem of among the prior art desktop connection bearing structure fixed, dismantle the difficulty, lead to children to rise, the seat is inconvenient is solved.

Description

Children's dining table chair and desktop bearing structure

Technical Field

The invention relates to the technical field of children's appliances, in particular to a child dining table chair and a table top supporting structure.

Background

Along with the improvement of living standard of people, in order to reduce the labor intensity of carrying children, some auxiliary appliances for children, such as bath chairs, dining tables and chairs for children, are brought to the user, and great convenience is provided for families with children.

However, because these apparatus general functions are comparatively single, and the structure is also comparatively fixed, consequently have the focus that multi-functional children's apparatus becomes the research and development of the personnel in this field concurrently, for example publication No. CN216166506U discloses a multi-functional children's dining table chair, including supporting mechanism, supporting mechanism includes the bench face, is provided with on the back and places the subassembly, places the subassembly symmetry and is equipped with the connecting rod and carries out the joint rotation through setting up spacing post and locating hole with back both sides and connect, this kind of joint connection support mode of placing subassembly (desktop board) connecting rod locating hole and the spacing post of back of the chair, fixed structure installs and removes the difficulty, causes children to go out the income seat inconvenient, and is inconvenient to dismantle and clean, and this kind of front end is unsettled, lifts the front end again carelessly when children are hard to be sometime, still can cause the danger of pressing from both sides wound.

Disclosure of Invention

This application has overcome among the prior art desktop connection support structure fixed, dismantles the difficulty, leads to the inconvenient problem of children seat of cominging in and going out. In order to achieve the purpose, the following technical scheme is adopted in the application:

the invention relates to a child dining table chair and table top supporting structure, which comprises a chair seat and chair legs below the chair seat, wherein a support is arranged above the chair seat, a backrest is arranged at the rear side of the support, the front end of the support is detachably connected with a table plate through a connecting assembly, a handrail part and a supporting upright post bent downwards are symmetrically arranged at the front side of the support, the connecting assembly comprises a first connecting piece arranged on the handrail part and a supporting connecting rod mechanism arranged on the supporting upright post, an arc bayonet and a support are arranged on the first connecting piece and the supporting connecting rod mechanism and are adaptive to each other, a first fixing seat and a first connecting piece are arranged at the bottom of the inner side of the table plate and are adaptive to each other, a second fixing seat and a supporting connecting rod mechanism are arranged at the bottom of the outer side of the table plate, and a columnar bayonet lock is arranged in the arc bayonet and is adaptive to positioning holes arranged on the handrail part and the supporting upright post.

The further improvement lies in that: the first connecting piece is further provided with a supporting connecting portion, the supporting connecting portion is of an annular columnar structure, the outer side of the annular columnar structure is symmetrically provided with radial guide reinforcing structures, and countersunk head steps with conicity are arranged inside ports of the annular columnar structure.

The further improvement lies in that: the support connecting rod mechanism comprises a second connecting piece, a connecting rod and a third connecting piece, wherein an arc bayonet and a columnar bayonet lock are arranged on one side of the second connecting piece and are matched and fixed with the support upright post, connecting lugs which are longitudinally parallel are symmetrically arranged on the other side of the second connecting piece, one end of the connecting rod is rotatably embedded between the two connecting lugs, and the other end of the connecting rod is matched and fixed with the second fixing seat through the third connecting piece.

The further improvement is that: the third connecting piece is provided with a middle concave connecting part which is in embedded pivoting connection with one end of the connecting rod, and one side of an opening of the concave connecting part symmetrically extends outwards to form a fixing part which is tightly connected with the second fixing seat.

The further improvement lies in that: the first fixing seat is provided with an outer convex clamping groove structure matched with the first connecting piece, symmetrical notches are formed in the middle of the outer convex clamping groove structure, and columnar bosses are arranged in the outer convex clamping groove structure at the positions of the notches.

The further improvement lies in that: the thread mounting seats are symmetrically arranged on the second fixing seat at intervals and are fixedly connected with a third connecting piece, limit stops of the connecting pieces are arranged at intervals in the vertical direction of the connecting line of the thread mounting seats, a mounting space matched with the third connecting piece is formed by the thread mounting seats and the limit stops, and reinforcing rib structures are arranged on the outer sides of the thread mounting seats.

The further improvement is that: the chair is characterized in that a rotating device is further arranged between the chair seat and the chair legs, the rotating device is an assembling structure with a split bearing rotating shaft arranged inside, a rotation stopping structure is arranged between the chair seat and the rotating device, and a rotation stopping pin is further arranged on the rotation stopping structure and is matched with a rotation stopping groove formed in the rotating device.

The further improvement is that: still be equipped with detachable seatpad and back pad on seat support, the back, seatpad and back pad are the integrative foam forming structure of EVA.

Compared with the prior art, the invention has the following beneficial effects:

the split type supporting structure is simple and convenient to disassemble and assemble and firm and stable in supporting, wherein the arc-shaped bayonets arranged on the first connecting piece and the second connecting piece at the bottom of the supporting connecting rod mechanism are matched and clamped on the armrest part and the supporting upright post, and the arc-shaped bayonets and the columnar clamping pins arranged in the arc-shaped bayonets are clamped and inserted in the positioning holes arranged on the armrest part and the supporting upright post to form mutually vertical reliable positioning, so that the supporting is firm;

because the annular columnar structure on the first connecting piece is provided with the radiation reinforcing structure which is mutually clamped and matched with the convex clamping groove structure on the first fixing seat at the bottom of the inner side of the table plate, and the convex clamping groove structure is internally provided with the columnar boss which is matched, clamped and fixed with the conical sunk step arranged on the annular columnar structure, the table plate which is clamped and fixed in a double-matching way between the table plate and the armrest part is firmly connected with the first connecting piece, the supporting connection is stable and reliable, adults can easily disassemble and assemble, the connecting and supporting structures are all arranged at the parts which are difficult to contact with children, the children are difficult to disassemble by hand force, and the use safety of the children is ensured;

the table outside is equipped with the support link mechanism who is connected with the support post, can support the table from the outside, has strengthened the firm stability of table. The second fixed seat arranged at the bottom of the outer side of the desk plate is fixed with the third connecting piece in a limiting way, and the third connecting piece is connected with the connecting rod in a rotating way;

the table plate can be detachably arranged, so that the table plate can be cleaned, and cleanness and sanitation are kept; be equipped with detachable seatpad and back pad on seat support and the back, can wash it, keep sanitation and hygiene, its body feels soft close skin simultaneously, avoids human skin direct contact chair frame main part, especially chilly winter not have the cold sensation, sets up more humanized, the increase of mould inhibitor, children use more sanitary, healthy.

Drawings

Fig. 1 is an overall perspective view of the present invention.

Fig. 2 is a schematic structural view of the table board and the connecting assembly of the present invention.

Fig. 3 is a perspective view of the connection assembly of the present invention.

Fig. 4 is an exploded view of the table and connecting assembly of the present invention.

FIG. 5 is a schematic view of the assembly of the support link mechanism and the second fixing base according to the present invention.

FIG. 6 is a partial schematic view of the invention in another orientation than that shown in FIG. 5.

The attached drawings are as follows:

a chair seat 1, chair legs 2, a bracket 3, a backrest 4, a table plate 5, a connecting component 6, a rotating device 7 and a rotation stopping structure 8,

the handle part 31, the support column 32, the positioning hole 311, the first fixing seat 51, the second fixing seat 52, the protruding clamping groove structure 511, the column boss 512, the notch 513, the threaded mounting seat 521, the limit stop 522, the support link mechanism 62, the arc bayonet 63, the column bayonet 64, the support connecting part 611, the shape column structure 6111, the guide reinforcing structure 6112, the second connecting piece 621, the connecting lug 6211, the connecting rod 622, the third connecting piece 623, the concave connecting part 6231, and the fixing part 6232.

Detailed Description

For the purpose of enhancing understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings, which are provided for the purpose of illustration only and are not to be construed as limiting the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the combination or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, are not to be construed as limiting the present invention.

The invention is described in further detail below with reference to the following figures and examples:

as shown in fig. 1-4, a supporting structure of a dining table and chair for children and a table top is provided, which includes a chair seat 1 and chair legs 2 below the chair seat 1, a support 3 is provided above the chair seat 1, a backrest 4 is provided at the rear side of the support 3, a table plate 5 is detachably connected to the front end of the support 3 through a connecting assembly 6, a handrail portion 31 and a support upright post 32 bent downward are symmetrically provided at the front side of the support 3, the connecting assembly 6 includes a first connecting member 61 provided on the handrail portion 31 and a support link mechanism 62 provided on the support upright post 32, an arc bayonet 63 is provided on the first connecting member 61 and the support link mechanism 62 to be adapted to the support 3, a first fixing seat 51 is provided at the bottom inside the table plate 5 to be adapted to the first connecting member 61, a second fixing seat 52 is provided at the bottom outside the table plate 5 to be adapted to the support link mechanism 62, a column bayonet 64 is provided in the arc bayonet 63 to be adapted to the handrail portion 31 and the positioning hole 311 provided on the support upright post 32; the supporting upright post 32 extends vertically downwards to the lower part of the chair seat 1 and is fixed below the seat surface, and the armrest part 31 can be arranged in the direction which is vertically parallel to the seat surface or forms a certain inclination with the seat surface; the arc bayonet 63 and the cylindrical bayonet 64 arranged in the arc bayonet are matched and connected with the bracket 3 to form mutually vertical reliable positioning, so that children are not easy to move, and the support is firm, stable and safe; when the assembly is disassembled by an adult, the arc bayonet 63 and the columnar bayonet 64 can be easily disassembled by pulling or poking the arc bayonet with hands, so that the assembly is convenient and quick; the table outside is equipped with support link mechanism 62 and is connected with support post 32, can support table 5 from the outside, has strengthened the firm stability of table, has played fine support connection effect.

More preferred example 2: as shown in fig. 3, the first connecting member 61 is further provided with a supporting connecting portion 611, the supporting connecting portion 611 is an annular columnar structure 6111, the outer side of the annular columnar structure 6111 is symmetrically provided with radial guide reinforcing structures 6112, and a countersunk step with a taper is arranged inside a port of the annular columnar structure 6111; as shown in fig. 4, the first fixing seat 51 is provided with an outward protruding slot structure 511 adapted to the first connecting member 61, a symmetrical notch 513 is formed in the middle of the outward protruding slot structure 511, a columnar boss 512 is provided in the outward protruding slot structure 511 at the position of the notch 513, and other structures are the same as those in embodiment 1. Because the annular columnar structure 6111 on the first connecting piece 61 is equipped with the mutual block adaptation of evagination draw-in groove structure 511 on the first fixing base 51 of radiation additional strengthening 6112 and the inboard bottom of table 5, and be equipped with column boss 512 in the evagination draw-in groove structure 511 and be equipped with the countersunk head step that takes tapering on annular columnar structure 6111 and carry out the adaptation inlay card fixed, the fixed table of so dual adaptation inlay card firm in connection, it is reliable and stable, the dismouting of carrying on that adult can relax, it is difficult to dismantle with children's hand power simultaneously, the security that children used has been guaranteed.

More preferably: as shown in fig. 3-6, the supporting link mechanism 62 includes a second connecting member 621, a connecting rod 622 and a third connecting member 623, one side of the second connecting member 621 is provided with an arc bayonet 63 and a cylindrical bayonet 64 for fixing with the supporting upright column 32 in a matching manner, the other side of the second connecting member 621 is symmetrically provided with connecting lugs 6211 which are longitudinally parallel, one end of the connecting rod 622 is rotatably embedded between the two connecting lugs 6211 and can be riveted by a rivet, and the other end of the connecting rod 622 is fixed with the second fixing seat 52 in a matching manner by the third connecting member 623; the third connecting piece 623 is provided with a middle concave connecting part 6231, through holes are symmetrically arranged on two side surfaces of the concave connecting part 6231, the through holes are embedded with one end of the connecting rod 622 and are riveted and pivoted through rivets, and a fixing part 6232 symmetrically extends outwards on one side of the opening of the concave connecting part 6231 and is fastened and connected with a threaded mounting seat 521 symmetrically arranged on the second fixed seat 52 at intervals; the limit stops 522 of the connecting piece 3 are arranged in the longitudinal vertical direction of the connecting line of the thread mounting base 521 at intervals, the thread mounting base 521 and the limit stops 522 enclose an installation space matched with a third connecting piece 623, and a reinforcing rib structure is arranged on the outer side of the thread mounting base 521. The rotation limiting connection of the structure is flexible and reliable in support rotation and firm in fixation, a good support connection effect is achieved, and other structures are the same as those in embodiment 1 or 2.

More preferred example 4: as shown in fig. 1, a rotation device 7 is further disposed between the seat 1 and the legs 2, the rotation device 7 is an assembly structure with a split bearing rotating shaft disposed therein, a rotation stopping structure 8 is disposed between the seat 1 and the rotation device 7, and a rotation stopping pin is further disposed on the rotation stopping structure 8 and is adapted to a rotation stopping groove disposed on the rotation device 7. The whole structure can be rotated and controlled, and is more interesting and suitable for children, and other structures are the same as the embodiment 1, 2 or 3.

More preferred example 5: the chair seat 1 and the backrest 4 are also provided with a detachable seat cushion and a detachable backrest cushion which are of an EVA (ethylene vinyl acetate) integrated foaming molding structure. The seat cushion and the backrest cushion are of a detachable ethylene-vinyl acetate copolymer integrated foaming forming foam forming structure and are adaptive to a cover arranged on one side, close to a human body, of the seat 1 and the backrest 4; can dismantle the washing, keep sanitation and hygiene, avoid human skin direct contact chair frame main part simultaneously, the body feels soft, comfortable, especially does not have cold feeling winter, sets up more humanized, wherein can increase the mildew preventive, uses environment such as dirty tide more sanitary, healthy to child for a long time, other structures are with embodiment 1 or 2 or 3 or 4.

The table plate 5 can be used as a common chair or a chair for bathing after being detached. The use function can be expanded, and the practicality is wider.

When the child seat is used, a child is firstly seated on the seat surface, then the table plate 5 with the first connecting piece 61 and the supporting connecting rod mechanism 62 is installed and enclosed at the front end of the support 3, or the first connecting piece 61 is firstly clamped and embedded in the positioning hole 311 formed in the armrest part 31, the columnar bayonet lock 64 arranged in the arc bayonet 63 of the connecting piece is clamped and embedded in the positioning hole, then the first fixing seat 52 on the table plate 5 is embedded and pressed on the supporting connecting part 611 on the upper part of the first connecting piece 61, and finally the arc opening 63 of the second connecting piece at the lower end of the supporting connecting rod mechanism 62 and the columnar bayonet lock 4 are clamped and embedded and fixed with the supporting upright post 32; during the dismantlement, only need stimulate table 5 top inside position hard, after starting to the outside pulling, the second connecting piece of inlay card on the support post 32 will then start and break away from, at whole easy dismounting swift, and support firmly stable.

The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.

Claims (8)

1. The utility model provides a children's dining table chair and desktop bearing structure, includes chair seat (1) and chair leg (2) of below, chair seat (1) top is equipped with support (3), support (3) rear side is equipped with back (4), its characterized in that: support (3) front end passes through coupling assembling (6) and can dismantle and be connected with table (5), support (3) front side symmetry is equipped with handrail portion (31) and buckles decurrent support post (32), coupling assembling (6) are including establishing first connecting piece (61) on handrail portion (31) and establishing support link mechanism (62) on support post (32), be equipped with arc bayonet socket (63) and support (3) adaptation on first connecting piece (61), support link mechanism (62), table (5) inboard bottom is equipped with first fixing base (51) and first connecting piece (61) adaptation, table (5) outside bottom is equipped with second fixing base (52) and supports link mechanism (62) adaptation, establish column bayonet lock (64) and handrail portion (31) and support post (32) in arc bayonet socket (63) and go up locating hole (311) adaptation connection that sets up.

2. The child dining table, chair and table top supporting structure of claim 1, wherein: the first connecting piece (61) is further provided with a supporting connecting portion (611), the supporting connecting portion (611) is designed to be an annular columnar structure (6111), radial guide reinforcing structures (6112) are symmetrically arranged on the outer side of the annular columnar structure (6111), and a countersunk step with a taper is arranged inside a port of the annular columnar structure (6111).

3. The child dining table, chair and table top supporting structure of claim 1, wherein: support link mechanism (62) includes second connecting piece (621), connecting rod (622) and third connecting piece (623), second connecting piece (621) one side is equipped with the fixed of arc bayonet socket (63) and cylindrical bayonet lock (64) and support stand (32) adaptation, second connecting piece (621) opposite side symmetry is equipped with vertical parallel connection lug (6211), connecting rod (622) one end is rotated and is inlayed between two connection lugs (6211), connecting rod (622) other end is fixed through third connecting piece (623) and second fixing base (52) adaptation.

4. A child's dining table chair and table top support structure as claimed in claim 3, wherein: the third connecting piece (623) is provided with a middle concave connecting part (6231) which is in embedded pivoting connection with one end of the connecting rod (622), and one side of the opening of the concave connecting part (6231) symmetrically extends outwards to form a fixing part (6232) which is in fastening connection with the second fixed seat (52).

5. The children's dining table chair and table top supporting structure of claim 1, wherein: the first fixing seat (51) is provided with an outer convex clamping groove structure (511) matched with the first connecting piece (61), a symmetrical notch (513) is formed in the middle of the outer convex clamping groove structure (511), and a columnar boss (512) is arranged in the outer convex clamping groove structure (511) at the position of the notch (513).

6. The children's dining table chair and table top supporting structure of claim 1, wherein: the screw thread mounting seats (521) and the third connecting pieces (623) are symmetrically arranged on the second fixing seat (52) at intervals and are in fastening connection, limit stops (522) of the connecting pieces are arranged in the longitudinal vertical direction of the connecting line of the two screw thread mounting seats (521) at intervals, a mounting space matched with the third connecting pieces (623) is defined by the screw thread mounting seats (521) and the limit stops (522), and reinforcing rib structures are arranged on the outer sides of the screw thread mounting seats (521).

7. The children's dining table chair and table top supporting structure of claim 1, wherein: the chair is characterized in that a rotating device (7) is further arranged between the chair seat (1) and the chair legs (2), the rotating device (7) is a matching structure with a split bearing rotating shaft arranged inside, a rotation stopping structure (8) is arranged between the chair seat (1) and the rotating device (7), and a rotation stopping pin is further arranged on the rotation stopping structure (8) and is matched with a rotation stopping groove formed in the rotating device (7).

8. The children's dining table chair and table top supporting structure of claim 1, wherein: the chair seat is characterized in that the chair seat (1) and the backrest (4) are further provided with a detachable seat cushion and a detachable backrest cushion which are of an integrated foam molding structure.

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