CN103799765A

CN103799765A - Foldable high chair

Info

Publication number: CN103799765A
Application number: CN201210455200.7A
Authority: CN
Inventors: 胡军杰
Original assignee: Wonderland Nurserygoods Co Ltd Hong Kong
Current assignee: Wonderland Nurserygoods Co Ltd Hong Kong
Priority date: 2012-11-13
Filing date: 2012-11-13
Publication date: 2014-05-21
Anticipated expiration: 2032-11-13
Also published as: GB201305135D0; GB2507834B; GB2507834A; CN103799765B

Abstract

The invention discloses a foldable high chair. The foldable high chair comprises a supporting leg frame, a seat assembly and a backrest supporting device, wherein the seat assembly is connected to the supporting leg frame; the supporting leg frame comprises a front leg frame and a rear leg frame, and the upper ends of the front leg frame and the rear leg frame are mutually pivoted and are close to each other face to face for being closed; the seat assembly comprises a seat plate and a backrest, the seat plate is pivoted between the front leg frame and the rear leg frame, and the backrest is pivoted with the seat plate; the backrest supporting device comprises a connecting rod and an adjusting seat, the adjusting seat is arranged on the supporting leg frame, the connecting rod is arranged at the rear side of the backrest, the lower end of the connecting rod is connected with the adjusting seat in a separating way, and the backrest can pivot relative to the seat plate when the lower end of the connecting rod is separated from the adjusting seat.

Description

Foldable high chair

Technical field

The present invention relates to a kind of foldable high chair, particularly relate to a kind of foldable high chair that folds into smaller size smaller that is beneficial to.

Background technology

High-leg chair for child is generally used to provide child and takes and have a dinner, to facilitate adult's feeding child, in U.S. Pat, a kind of foldable high chair framework is disclosed for No. 2005/0242646A1, when expansion by the fore-stock of the mutual pivot joint in upper end and after-poppet due to articulated section rotate and mutually away from for supporting and location on ground, and by launching with seat portion and the back-rest of fore-stock, after-poppet pivot joint, for taking; When folding, fore-stock and after-poppet, because articulated section is rotated and mutually draws close, and are oppositely folded seat portion and back-rest and forward and backward support folding direction to be drawn close.This kind of folding mode can occupy larger volume, so that need larger storage area.

Summary of the invention

The object of the present invention is to provide structure in the past of a kind of difference and can reduce the foldable high chair of the shared volume after folding.

The foldable high chair of the present invention comprises a feet frame and and is connected to the seat assembly of this feet frame, this feet frame comprise the mutual pivot joint in upper end and can be relatively near the forward foot in a step frame and the rear foot frame that fold, this seat assembly comprises that one is articulated in seat board between this forward foot in a step frame and rear foot frame and one and the leaning against of this seat board pivot joint, this foldable high chair also comprises that one leans against bracing or strutting arrangement, this leans against bracing or strutting arrangement and comprises a connecting rod and an adjusting seat, this adjusting seat is arranged on this feet frame, this connecting rod is arranged on this rear side leaning against and lower end engages separably with this adjusting seat, in the time that the lower end of this connecting rod separates with this adjusting seat, this leans against can be with respect to this seat board pivotable.

Preferably, this adjusting seat has first end and second end away from this forward foot in a step frame of contiguous this forward foot in a step frame, between this first end and the second end, defines multiple locating holes, and the adjustment tank of the plurality of locating hole of a connection.

Preferably, this adjustment tank is arranged at the upper limb of the plurality of locating hole and is communicated with the plurality of locating hole, in the time that this high chair is unfolded, the lower end of this connecting rod is plugged in one of them the regioselective hole in the plurality of locating hole to provide specific this to lean against angle of inclination.

Preferably, this adjusting seat is arranged on this rear foot frame, and this leans against bracing or strutting arrangement and also comprises a back-moving spring, and this back-moving spring is arranged between this connecting rod and this seat assembly.

Preferably, the second end of this adjusting seat is provided with a stop block, and the end face of this stop block is higher than the root edge of this adjustment tank.

Preferably, the second end of this adjusting seat has an installing hole, this stop block be contained in this installing hole and the resiliently biased end face of this stop block that makes higher than the root edge of this adjustment tank.

Preferably, the end face of this stop block is formed with a guiding surface.

Preferably, the lower end of this connecting rod protrudes out and forms a hook part, and the inner side of this stop block is recessed to form a shrinkage pool that can engage for the hook part of this connecting rod.

Preferably, the shrinkage pool of this stop block top also forms a spacing hole.

Preferably, this connecting rod is an inverted U-shaped bar, and this leans against bracing or strutting arrangement and also comprises an operating parts, and separates with this adjusting seat by this connecting rod mat one short transverse displacement of this operating parts interlock.

Preferably, this operating parts has a housing, and the horizon bar section of this connecting rod runs through this housing, defines one for the guide channel that holds the horizon bar section that connects this connecting rod on the sidewall of this housing, and this guide channel has at a upper limb of short transverse and a lower edge.

Preferably, when the lower end of this connecting rod is connected to this adjusting seat surface, the horizon bar section of this connecting rod is subject to fexible bias pressure and slides on this upper limb of this guide channel and this is lower intermarginal.

Preferably, this leans against bracing or strutting arrangement and also comprises one and be arranged on this and lean against the first back-moving spring and on rear wall and be arranged on this and lean against the second back-moving spring between rear wall and this operating parts housing, and this first back-moving spring and the second back-moving spring provide elastic reset power to this connecting rod and this operating parts respectively.

Beneficial effect of the present invention is: a kind of difference structural style is in the past provided, design that can Engage and disengage by connecting rod and adjusting seat, while making folding, lean against with seat board and draw close dorsad each other, fold in the same way with forward foot in a step frame, rear foot frame, reduce the shared volume after folding, and reduce storage space.

Accompanying drawing explanation

Fig. 1 is a stereogram of the first preferred embodiment of the foldable high chair of the present invention;

Fig. 2 is a partial perspective view of this first preferred embodiment;

Fig. 3 be this first preferred embodiment lean against bracing or strutting arrangement sectional perspective exploded view;

Fig. 4 is that this leans against bracing or strutting arrangement in one of high chair deployed condition cross-sectional schematic;

Fig. 5 is a cross-sectional schematic that leans against bracing or strutting arrangement of this first preferred embodiment;

Fig. 6 is a rear perspective schematic diagram that leans against bracing or strutting arrangement of this first preferred embodiment;

Fig. 7 is a partial enlarged drawing of this first preferred embodiment;

Fig. 8 is the folding state stereogram of the foldable high chair of this first preferred embodiment;

Fig. 9 and Figure 10 are the stereograms of the foldable high chair expansion process of this first preferred embodiment;

Figure 11 and Figure 12 be this first preferred embodiment lean against bracing or strutting arrangement launch time cross-sectional schematic;

Figure 13 is one of the stop block of the second preferred embodiment of the foldable high chair of the present invention cross-sectional schematic;

Figure 14 is a stereogram of the 3rd preferred embodiment of the foldable high chair of the present invention;

Figure 15 is a three-dimensional exploded view that leans against bracing or strutting arrangement of the 3rd preferred embodiment;

Figure 16 be the foldable high chair of the present invention the 3rd preferred embodiment launch time a cross-sectional schematic; And

Figure 17 be the foldable high chair of the present invention the 3rd preferred embodiment by be folded to launch action a cross-sectional schematic.

The specific embodiment

Below in conjunction with drawings and Examples, the present invention is described in detail:

In the following description content, similarly element is to represent with identical Reference numeral.

Consult Fig. 1 and Fig. 2, foldable high chair the first preferred embodiment is to comprise a feet frame 1, a seat assembly 2, a service plate 3, and one leans against bracing or strutting arrangement 4.

Feet frame 1 comprises the mutual pivot joint in upper end and the rear foot frame 12, that can be relatively take the shape of the letter U near the forward foot in a step frame 11 and taking the shape of the letter U folding is arranged on pedal between forward foot in a step frame 11 13, two and is arranged at respectively the handrail 14 of forward foot in a step frame 11 and rear foot frame 12 articulated sections, and the seat that a rear and front end is articulated in respectively forward foot in a step frame 11 and rear foot frame 12 manages 15.

Seat assembly 2 comprises that one is articulated in the seat board 21 between forward foot in a step frame 11 and rear foot frame 12, and one and seat board 21 pivot joints lean against 22.The both sides of seat board 21 are connected with the seat pipe 15 being articulated in respectively between the up-and-down rod section 111,121 of forward foot in a step frame 11, rear foot frame 12, this pipe 15 is made up of the forward and backward pipeline section (not being shown in figure) of pivot joint each other, one end of forward and backward pipeline section is articulated in respectively the up-and-down rod section 111,121 of forward foot in a step frame 11 and rear foot frame 12, wherein front pipeline section is fixedly connected with seat board 21, then pipeline section only with the other end pivot joint each other of front pipeline section.The dismountable upper surface that is arranged at two handrails 14 of service plate 3.In the time that child rides on seat assembly 2, both feet can be stepped in pedal 13, and service plate 3 can be placed the relative article that child has a dinner.

Consult Fig. 2, Fig. 3 and Fig. 4, lean against bracing or strutting arrangement 4 and can make leaning against of seat assembly 2 22 be able to adjust angle of inclination or fold with respect to seat board 21.Leaning against bracing or strutting arrangement 4 comprises one and is arranged on and leans against 22 rear side and be inverted U-shaped connecting rod 41, two straight bar sections 410 of connecting rod 41 extend to rear foot frame 12 movably through being bolted to the cover plate 43 that leans against 22 rear wall both sides, and engage separably with two adjusting seats 44 that are arranged on rear foot frame 12, a pair of back-moving spring 42 is nested with respectively on this two straight bar section 410, be connected to corresponding cover plate 43 or lean against 22 rear walls of the lower end of each back-moving spring 42, upper end is connected and fixed with the corresponding straight bar section 410 of connecting rod 41, to reseting elasticity is provided in the time that connecting rod 41 leans against 22 displacement relatively.In the present embodiment, each back-moving spring 42 is extension spring.

Each adjusting seat 44 has first end 440 and second end 441 away from forward foot in a step frame 11 of a contiguous forward foot in a step frame 11, between first end 440 and the second end 441, define multiple locating holes 442, and position is above multiple locating hole 442 height and positions and be communicated with the adjustment tank 443 of multiple locating holes 442.In the present embodiment, the quantity of locating hole 442 is three, make to lean against 22 and between three differing tilt angles, convert location with respect to seat board 21, and in the time that reality is implemented, the quantity of visual practical situation increase and decrease locating hole 442.In addition, adjust the angle that leans against 22 for ease of user, lean against bracing or strutting arrangement 4 and also comprise that one is socketed in the operating parts 45 of connecting rod 41 horizon bar sections 412.In the time that wish adjustment leans against 22 angle of inclination, can move up and the bar 41 that is connected by hand-held operation part 45, make two straight bar section 410 lower ends of connecting rod 41 up shift out corresponding locating hole 442 and slide onto another required locating hole 442 along corresponding adjustment tank 443, two straight bar section 410 lower ends at connecting rod 41 move to the rear relieving operating parts 45 of suitable locating hole 442, make two straight bar section 410 lower ends of connecting rod 41 respectively because the reseting elasticity of two back-moving springs 42 locating hole 442 corresponding with this selection engages.User just knows can decontrol operating parts 45, makes connecting rod 41 2 straight bar sections 410 because the reseting elasticity of two back-moving springs 42 of correspondence engages with corresponding locating hole 442, makes thus seat board 21 and lean against 22 between three different angles, to convert location.

The second end 441 of each adjusting seat 44 has an installing hole being communicated with adjustment tank 443 444, a stop block 446, and one is contained in installing hole 444 and stop block 446 is provided to the flexible member 445 of bias voltage.When each stop block 446 is contained in corresponding installing hole 444, the end face of each stop block 446 is higher than the root edge of this each adjustment tank 443, and when two connecting rods 41 plug adjusting seat 44 respectively, stop block 446 has played the displacement stroke restriction to connecting rod 41 short transverses.In more detail, when leaning against while adjusting position between 22 first ends 440 in two adjusting seats 44 and the second end 441, two straight bar section 410 lower ends of connecting rod 41 can be respectively higher than two adjustment tank 443 upper surfaces, namely two straight bar section 410 lower ends of connecting rod 41 can not depart from respectively the scope of two adjustment tanks 443, therefore connecting rod 41 is in the time moving along two adjustment tanks 443 to the second end 441, because the restriction that is subject to respectively two stop blocks 446 can not depart from corresponding locating hole 442 or adjustment tank 443.Preferably, two straight bar section 410 lower ends of connecting rod 41 protrude out respectively and form a hook part 411, and the inner side towards adjustment tank 443 of each stop block 446 is recessed to form a shrinkage pool 447 that can engage with the hook part 411 of corresponding connecting rod 41.Consult Fig. 5, in the time leaning against 22 adjustment near the second end 441, two shrinkage pools 447 can engage with two hook parts 411 respectively, strengthen the restriction for connecting rod 41, while avoiding child to ride on seat assembly 2, lean against 22 contingent danger if adjust.In addition, consult Fig. 3 and Fig. 4, the end face of each stop block 446 is formed with a guiding surface 448 towards adjusting seat 44 outsides, and the upper surface flush of the end face of stop block 446 and adjustment tank 443, each connecting rod 41 is departed from after corresponding adjusting seat 44, more easily slip into each connecting rod 41 guidings and slip into corresponding adjusting seat 44.This also just means, in the time that two straight bar section 410 lower ends of connecting rod 41 are connected to two guiding surfaces 448 respectively, two straight bar section 410 lower ends that can guide connecting rod 41 enter respectively two adjustment tanks 443.In the present embodiment, each flexible member 445 is Compress Spring.

Should be noted that Fig. 4, Fig. 5, Fig. 9 and Figure 10, mainly the explanation expansion of foldable high chair and the flow process of folding, therefore not shown service plate 3 (seeing Fig. 1), also also gives in this article and omitting and not description about the existing structure part of high chair shown in each accompanying drawing in addition.

Consult Fig. 1, Fig. 4 and Fig. 5, when high chair is in the time launching, the forward foot in a step frame 11 of feet frame 1 and rear foot frame 12 mutually away from, seat pipe 15 horizontal-extendings are between forward foot in a step frame 11, rear foot frame 12 and support this seat board 21, and connecting rod 41 is placed in required locating hole 442 according to user's demand, the demand while making seat board 21 and lean against angle between 22 to be suitable for child and to take.It should be noted that, the locating hole 442 that is adjacent to two adjusting seat 44 second ends 441 is to be connected with the shrinkage pool 447 of two stop blocks 446, therefore the shrinkage pool 447 of two stop blocks 446 can avoid two hook parts 411 of connecting rod 41 to be departed from respectively two adjustment tanks 443 by the excessive pull-up of user.

Consult Fig. 6 and Fig. 7, in the time wanting folding foldable high chair of the present invention, first remove the locking between seat board 21 and feet frame 1, again seat board 21 is upwards drawn and carried, drive simultaneously leans against 22 and moves up, or directly lift and lean against 22 and move up, drive seat board 21 to move up, make the front stall pipeline section of seat pipe 15, back seat pipeline section is pivoted relative to each other and is mutually close, drive forward foot in a step frame 11 and rear foot frame 12 mutually to rotate close, and forward foot in a step frame 11 and rear foot frame 12 are respectively because gravity moves down, and adjusting seat 44 clockwise rotates and moves down action with rear foot frame 12, cause two straight bar section 410 lower ends and two hook parts 411 of connecting rod 41 to depart from respectively two adjusting seats 44, making to lean against 22 loses corresponding locating hole 442 (seeing Fig. 5) supporting and location and can freely overturn downwards, as shown in Figure 8, due to lean against 22 with seat board 21 be close folding dorsad each other, therefore can reduce the storage area taking after folding.

Consult Fig. 9, and when user's wish is launched foldable high chair by folding state, can first with the hands directly forward foot in a step frame 11 and rear foot frame 12 oppositely be pulled open mutually, drive seat pipe 15 and seat board 21 horizontal developments between forward foot in a step frame 11 and rear foot frame 12, now, lean against 22 and be placed in seat board 21 belows because own wt hangs down.Then, as shown in Figure 10, Figure 11 and Figure 12, pull counterclockwise and lean against 22 upsets of the direction towards seat board 21 tops.In switching process, two straight bar section 410 lower ends that lean against the connecting rod 41 of bracing or strutting arrangement 4 will be connected to respectively two stop blocks 446, and press down respectively two stop blocks 446 and compress respectively two flexible members 445, two stop blocks 446 are moved down along two installing holes 444 respectively, two straight bar section 410 lower ends of connecting rod 41 are imported into two adjustment tanks 443 along the guiding surface 448 of two stop blocks 446 respectively, two straight bar sections 410 of connecting rod 41 are subject to respectively the effect of two flexible member 445 elastic restoring forces and two straight bar section 410 lower ends that two hook parts 411 of connecting rod 41 push respectively corresponding shrinkage pool 447 or connecting rod 41 are entered to corresponding locating hole 442 complete the location that leans against 22.

Consult Fig. 2 and Fig. 4, it should be noted that, although in the present embodiment, lean against bracing or strutting arrangement 4 and comprise a connecting rod 41, two back-moving springs 42, two

cover plates

43, and 44 assemblings of two adjusting seats coordinate and form, but not as limit, the back-moving spring 42, cover plate 43 and the adjusting seat 44 that lean against bracing or strutting arrangement 4 can only be arranged on a wherein side of two straight bar sections 410 of connecting rod 41, that is to say that connecting rod 41 and adjusting seat 44 be only provided monolateral engages and adjust location, effect of same attainable cost invention.

Consult Figure 13, be the second preferred embodiment of the foldable high chair of the present invention, roughly the same with the first preferred embodiment, Main Differences is the pattern of each stop block 446.The another spacing hole 449 that forms in shrinkage pool 447 tops of each stop block 446, foldable high chair is in deployed condition, when leaning against 22, adjustment moves to two adjusting seats, 44 second ends 441 respectively, two spacing holes 449 can engage with two hook parts 411 of connecting rod 41 respectively, except lean against by stop block 446 restriction 22 move after excessively, also can limit on two straight bar sections 410 of connecting rod 41 and move, allowing user know cannot move and lean against 22 again, and discharge the external force that puts on connecting rod 41, form and prevent detachment function.

Consulting Figure 14, Figure 15 and Figure 16, is the 3rd preferred embodiment of the foldable high chair of the present invention, and roughly the same with the first preferred embodiment, Main Differences is in the pattern that leans against bracing or strutting arrangement 4.Each adjusting seat 44 of the present embodiment is omitted the stop block 446 (seeing Figure 12) of each adjusting seat 44 of the first preferred embodiment, and connecting rod 41 is operated by a different operating parts 45.

Operating parts 45 has one and is engaged in the housing 451 leaning against on 22, lean against and on 22, form a pair of elongate slot 221 and make housing 451 local through this slotted eye 221 and can be along slotted eye 221 displacements, on the sidewall of housing 451, define a guide channel 452 for holding the horizon bar section 412 of extension bar 41 in succession, this guide channel 452 has at a upper limb 453 of short transverse and a lower edge 454, the bar 41 that can be connected in the time of move operation part 45, and by the short transverse displacement of connecting rod 41, two straight bar section 410 lower ends of connecting rod 41 are separated respectively with two adjusting seats 44.Lean against on 22 rear wall connecting rod 41 relatively and one first back-moving spring 46 is set to provide elastic reset power to connecting rod 41, in addition, lean against between the housing 451 of 22 rear wall and operating parts 45 and one second back-moving spring 47 is set to provide elastic reset power to operating parts 45.In the present embodiment, the first back-moving spring 46 and the second back-moving spring 47 are all Compress Spring.

The 3rd preferred embodiment is roughly the same with the first preferred embodiment in expansion and the folding of operation high chair, only adjust seat board 21 and lean against 22 angle slightly different with operation when high chair folding and expansion.

Consult Figure 16, when high chair is in the time launching, if adjust seat board 21 and lean against 22 angle, now by making it produce predetermined displacement along elongate slot 221 (seeing Figure 15) by pushing away on operating parts 45, two hook parts 411 of causing connecting rod 41 leave corresponding locating hole 442 and on move to corresponding adjustment tank 443, then can select suitable locating hole 442, make two hook parts 411 of connecting rod 41 engage location with selected corresponding locating hole 442.On reality is manufactured, two hook parts 411 of connecting rod 41 also can be omitted, and that is to say, two straight bar section 410 lower ends of connecting rod 41 can directly engage location with corresponding locating hole 442.

Consult Figure 17, in the time that high chair is unfolded by folding state, first with the hands directly forward foot in a step frame 11 and rear foot frame 12 are oppositely pulled open mutually, drive seat pipe 15 and seat board 21 horizontal developments between forward foot in a step frame 11 and rear foot frame 12, pull with hand and lean against 22 upsets of the direction towards seat board 21 tops, namely counterclockwise upset.In more detail in switching process, two straight bar section 410 lower ends that lean against the connecting rod 41 of bracing or strutting arrangement 4 will be connected to respectively the outer surface of adjusting seat 44 second ends 441, two straight bar sections 410 that lean against the connecting rod 41 of bracing or strutting arrangement 4 pushed respectively and on move, the horizon bar section 412 of connecting rod 41 slides to the upper limb 453 of guide channel 452, and compresses the second back-moving spring 47.Now continue upset and lean against 22, two straight bar section 410 lower ends that make connecting rod 41 are respectively along the outer surface of two adjusting seat 44 second ends 441 and import respectively two adjustment tanks 443, connecting rod 41 be subject to the second back-moving spring 47 elastic restoring force effect and the horizon bar section 412 of connecting rod 41 is reset to the lower edge 454 of guide channel 452, two straight bar section 410 lower ends of connecting rod 41 push corresponding locating hole 442, make two hook parts 411 be engaged in corresponding locating hole 442, be deployed condition as shown in figure 16.

What remark additionally is, the second embodiment as shown in figure 13 and as shown in figure 17 the 3rd embodiment, all similar the first embodiment as shown in Figure 4 leans against bracing or strutting arrangement 4, and what connecting rod 41 and adjusting seat 44 can be provided monolaterally engages and adjust location, effect of same attainable cost invention.

In sum, the foldable high chair of the present invention, a kind of structural style different from the past is provided, the design engaging separably with adjusting seat 44 by connecting rod 41, while making folding, lean against 22 closely dorsad each other with seat board 21, reduce the volume that takies after folding, and reduce storage space, therefore really can reach the object of the invention.

The foregoing is only preferred embodiment of the present invention, can not limit scope of the invention process with this, i.e. every simple equivalence of doing according to the claims in the present invention and invention description content changes and modifies, and all still remains within the scope of the patent.

Claims

1. a foldable high chair, comprise the seat assembly that a feet frame and is connected to this feet frame, this feet frame comprise the mutual pivot joint in upper end and can be relatively near the forward foot in a step frame and the rear foot frame that fold, this seat assembly comprises that one is articulated in seat board between this forward foot in a step frame and rear foot frame and one and the leaning against of this seat board pivot joint, and it is characterized in that;

This foldable high chair also comprises that one leans against bracing or strutting arrangement, this leans against bracing or strutting arrangement and comprises a connecting rod and an adjusting seat, this adjusting seat is arranged on this feet frame, this connecting rod is arranged on this rear side leaning against and lower end engages separably with this adjusting seat, in the time that the lower end of this connecting rod separates with this adjusting seat, this leans against can be with respect to this seat board pivotable.

2. foldable high chair as claimed in claim 1, it is characterized in that: this adjusting seat has first end and second end away from this forward foot in a step frame of contiguous this forward foot in a step frame, between this first end and the second end, define multiple locating holes, and the adjustment tank of the plurality of locating hole of a connection.

3. foldable high chair as claimed in claim 2, it is characterized in that: this adjustment tank is arranged at the upper limb of the plurality of locating hole and is communicated with the plurality of locating hole, in the time that this high chair is unfolded, the lower end of this connecting rod is plugged in one of them the regioselective hole in the plurality of locating hole to provide specific this to lean against angle of inclination.

4. foldable high chair as claimed in claim 3, is characterized in that: this adjusting seat is arranged on this rear foot frame, and this leans against bracing or strutting arrangement and also comprises a back-moving spring, and this back-moving spring is arranged between this connecting rod and this seat assembly.

5. foldable high chair as claimed in claim 2, is characterized in that: the second end of this adjusting seat is provided with a stop block, and the end face of this stop block is higher than the root edge of this adjustment tank.

6. foldable high chair as claimed in claim 5, is characterized in that: the second end of this adjusting seat has an installing hole, this stop block be contained in this installing hole and the resiliently biased end face of this stop block that makes higher than the root edge of this adjustment tank.

7. foldable high chair as claimed in claim 5, is characterized in that: the end face of this stop block is formed with a guiding surface.

8. foldable high chair as claimed in claim 5, is characterized in that: the lower end of this connecting rod protrudes out and forms a hook part, and the inner side of this stop block is recessed to form a shrinkage pool that can engage for the hook part of this connecting rod.

9. foldable high chair as claimed in claim 8, is characterized in that: the shrinkage pool top of this stop block also forms a spacing hole.

10. foldable high chair as claimed in claim 1, is characterized in that: this connecting rod is an inverted U-shaped bar, and this leans against bracing or strutting arrangement and also comprises an operating parts, and separates with this adjusting seat by this connecting rod mat one short transverse displacement of this operating parts interlock.

11. foldable high chairs as claimed in claim 10, it is characterized in that: this operating parts has a housing, the horizon bar section of this connecting rod runs through this housing, on the sidewall of this housing, define one for the guide channel that holds the horizon bar section that connects this connecting rod, this guide channel has at a upper limb of short transverse and a lower edge.

12. foldable high chairs as claimed in claim 10, is characterized in that: when the lower end of this connecting rod is connected to this adjusting seat surface, the horizon bar section of this connecting rod is subject to fexible bias pressure and slides on this upper limb of this guide channel and this is lower intermarginal.

13. foldable high chairs as claimed in claim 12, it is characterized in that: this leans against bracing or strutting arrangement and also comprises one and be arranged on this and lean against the first back-moving spring and on rear wall and be arranged on this and lean against the second back-moving spring between rear wall and this operating parts housing, and this first back-moving spring and the second back-moving spring provide elastic reset power to this connecting rod and this operating parts respectively.