CN105768695B - A kind of high dining chair of linkage folding - Google Patents

Abstract

The invention discloses a kind of linkages to fold high dining chair, its key points of the technical solution are that：Including：Front support leg, rear leg upper end are hinged with front support leg upper end；Seat support bar lower end is hinged in the middle part of front support leg；Seat support small end is hinged with seat frame front, and lower end is hinged in the middle part of seat support bar；Bottom connecting rod front end is hinged with hinged shaft and seat support bar middle part with Seat support connecting rod, hinged in the middle part of rear end and rear leg；Seat frame rear portion is hinged with hinged shaft with the upper end of front support leg and rear leg；Arm-rest frame front is hinged with seat support bar upper end；Ribbed insert lower end is hinged with hinged shaft with the upper end of front support leg and rear leg, and upper end is hinged with arm-rest frame rear end；Backboard lower end is hinged with seat frame rear portion, and top is hinged with ribbed insert；Foldable locking device is used to lock the unfolded state of dining chair, is arranged in the hinged place of front support leg, rear leg, ribbed insert, seat frame；Control mechanism is folded for controlling foldable locking device unlock.

Description

A kind of high dining chair of linkage folding

【Technical field】

The present invention relates to a kind of infant article, more specifically a kind of linkage folds high dining chair.

【Background technology】

The high dining chair of existing children, has been the essential product of baby, predominantly baby on the feed when provide safety relax Suitable condition and set, most of to design kid's meal plate and seat, just foldable gathering after need to separating, do not adapt to the multi-purpose of user The demand of way function, and the high chair folds of existing children or expansion are inconvenient, foldable structure is complicated so that component rapid wear It is bad, cause manufacturing cost high, how integrally folding or rapid deployment, are the directions that technical staff studies for a long period of time.

【Invention content】

Purpose of the present invention is to overcome deficiency in the prior art, provide a kind of linkage folding high dining chair, front support leg, rear branch The whole component articulated connection such as foot, seat frame and kid's meal plate, can fold or be unfolded simultaneously, easy to use, easy to operate.

The present invention is achieved by the following technical solutions：

A kind of high dining chair of linkage folding, it is characterised in that：Including：

Front support leg,

Rear leg, upper end are hinged with the front support leg upper end；

Seat support bar, lower end are hinged in the middle part of the front support leg；

Seat support connecting rod, upper end is hinged with the seat frame front, is cut with scissors in the middle part of lower end and the seat support bar It connects；

Bottom connecting rod, front end is with the Seat support connecting rod with hinged shaft and hinged, rear end in the middle part of the seat support bar It is hinged in the middle part of the rear leg；

Seat frame, rear portion are hinged with hinged shaft with the upper end of the front support leg and rear leg；

Arm-rest frame, front are hinged with the seat support bar upper end；

Ribbed insert, lower end is hinged with hinged shaft with the upper end of the front support leg and rear leg, upper end and the arm-rest frame Rear end is hinged；

Backboard, lower end is hinged with the seat frame rear portion, and top is hinged with the ribbed insert；

Kid's meal plate, lower part are connect with the arm-rest frame；

Foldable locking device, the unfolded state for locking dining chair are arranged and connect in the front support leg, rear leg, handrail The hinged place of bar, seat frame；

Control mechanism is folded, for controlling the foldable locking device unlock.

A kind of linkage as described above folds high dining chair, it is characterised in that：The foldable locking device include with it is described First articulation piece of front support leg connection, the second articulation piece being connect with the rear leg, the third being connect with the ribbed insert Articulation piece and the seat frame hinged disk being connect with the seat frame, first articulation piece, the second articulation piece, third articulation piece Sequentially coaxially hinged with seat frame hinged disk, clamping lock that the third articulation piece is equipped with its opposite sliding of at least one energy is inserted It sells, it is circle to be respectively equipped with its hinged shaft with the corresponding position of the third articulation piece on first articulation piece and the second articulation piece First articulation piece sliding slot of the arc that the heart is slided for the clamping lock bolt in it and the second hinged sliding slot, first articulation piece One end of sliding slot is equipped with the first snap lock notch for communicating therewith and being caught in locking for the clamping lock bolt, second articulation piece One end of sliding slot is equipped with the second snap lock notch for communicating therewith and being caught in locking for the clamping lock bolt, seat frame hinge It connects side opposite with the third articulation piece on disk and is equipped with and using its hinged shaft as the center of circle be caught in locking for the clamping lock bolt Arc seat sliding slot, one end of the seat sliding slot is equipped with the seat card for communicating therewith and being caught in locking for the clamping lock bolt Notch is locked, being equipped between the third articulation piece and the clamping lock bolt makes the clamping lock bolt keep clamping lock described the The first elastic top-pressure part in one snap lock notch, the second snap lock notch and seat clamping lock notch.

A kind of linkage as described above folds high dining chair, it is characterised in that：First articulation piece include long pommel together It is inserted into articulation piece in the first outer articulation piece and first of the front support leg upper end, articulation piece in the first outer articulation piece and first Between be equipped with the second articulation piece that is hinged together and can relatively rotating.

A kind of linkage as described above folds high dining chair, it is characterised in that：The third articulation piece is equipped with equally can edge Second clamping lock bolt of third articulation piece sliding, it is that the center of circle supplies described the to be additionally provided on first articulation piece using its hinged shaft First articulation piece internal chute of the arc that two clamping lock bolts slide in it, one end of the first articulation piece internal chute be equipped with It is connected to is caught in notch in the first snap lock of locking for the clamping lock bolt, and the described first hinged external chute and first are hinged Part internal chute is with using hinged shaft as the circular arc in the center of circle and the hinged shaft both sides that are placed in, and the arc radius of the described first hinged external chute is big In the arc radius of the first articulation piece internal chute.

A kind of linkage as described above folds high dining chair, it is characterised in that the folding control mechanism is described including being sheathed on It can connect on ribbed insert and between the clamping lock handle and the clamping lock bolt along the clamping lock handle of ribbed insert sliding It is connected to the folding control backrest adjusting yoke for driving the clamping lock bolt sliding.

A kind of linkage as described above folds high dining chair, it is characterised in that between the backboard and the ribbed insert Equipped with the backrest angle regulating mechanism for adjusting the backboard pitch angle, the backboard is equipped with leaning on described in control Carry on the back the backrest angle adjusting control mechanism of angle adjusting mechanism.

A kind of linkage as described above folds high dining chair, it is characterised in that the backrest angle regulating mechanism include one end and The hinged backrest adjusting rod of the backboard, be arranged on the backrest adjusting rod can be slided along the backrest adjusting rod and with institute The hinged adjusting sliding sleeve of backboard is stated, the backrest adjusting rod is equipped with multiple locating slots, and the adjusting sliding sleeve is equipped with energy It is flexible to be inserted into the positioning pin that the backboard angle is adjusted and locked in the locating slot, it is additionally provided in the backrest adjusting rod Envelope for housing adjusting rod inner cavity described in the positioning pin insertion and the adjusting rod inner cavity being connected to the locating slot and block Baffle, the sliding sleeve that adjusts are equipped with the sliding lock protrusion that can stretch into intracavitary in the adjusting rod, one end of the adjusting rod inner cavity Equipped with the anticreep block for stopping the sliding lock protrusion.

A kind of linkage as described above folds high dining chair, it is characterised in that the backrest angle adjusting control mechanism includes adjusting Handle is saved, backrest adjusting yoke is equipped between the regulation handle and the positioning pin, the backboard is equipped with for wearing If the hinge hole of the positioning pin, the positioning pin passes through the hinge hole to be inserted into the locating slot, the backrest tune It saves and is equipped between pull rod and the backboard for second of backrest adjusting yoke described in top pressure the elastic top-pressure part.

A kind of linkage as described above folds high dining chair, it is characterised in that：The seat frame includes seat plate and the seat Chair front edge of board hinged foot-operated pedestal and articulated shaft, the foot-operated pedestal, which is equipped with, can limit the foot-operated base rotation angle Limit protrusion, the seat plate are equipped with the resigning sliding slot for being worn for the articulated shaft, and the seat frame further includes being used for Stop the hinged shaft baffle that the articulated shaft slides axially, the foot-operated pedestal, which is equipped with, to be turned together along the articulated shaft with it Dynamic pedal connecting rod, being arranged on the pedal connecting rod can be equipped with along its flexible foot pedal, the pedal connecting rod described Pedal connecting rod protrudes from the pedal connecting rod and the foot-operated lock tongue outside foot pedal, the foot-operated company when being positioned with foot pedal clamping lock The third elasticity top-pressure part for riding lock tongue described in top pressure is additionally provided in bar.

The high dining chair of a kind of linkage folding as described above, it is characterised in that the arm-rest frame includes and the seat support bar The hinged handrail bottom bar in upper end, the kid's meal plate are equipped with the meal plate cunning for being clamped and being slid along for the handrail bottom bar Slot is additionally provided on the kid's meal plate and fixes clamping lock push handle described in the clamping lock push handle and top pressure of the kid's meal plate for clamping lock 4th elastic top-pressure part, the handrail bottom bar are equipped with multiple meal board lockholes for limiting the kid's meal Board position, institute It states clamping lock push handle and is equipped with the clamping lock protrusion for coordinating kid's meal plate described in the meal board lockhole clamping lock, the front support leg and rear branch Foot is U-shaped, and the U-shaped end of the front support leg and rear leg is hingedly connected on the foldable locking device.

Compared with prior art, the present invention has the following advantages：

A kind of linkage of the present invention folds high dining chair, and front support leg, rear leg, seat frame and arm-rest frame are hinged on folding together At locking device, foldable locking device can be unlocked by folding control mechanism and perambulator is made integrally to fold, and control is folded when expansion Mechanism can control fixed fold locking device, and kid's meal plate is also associated on arm-rest frame, and kid's meal plate can helping along arm-rest frame At hand bar slidable adjustment position, and can fold or be unfolded together with arm-rest frame, is additionally provided with backboard on seat frame, backboard and Arm-rest frame is articulated and connected by backrest adjusting rod, is connected by angle adjusting mechanism, while angle adjusting mechanism is adjustably controlled and leans on The pitch angle of backboard, seat frame front are additionally provided with the foot pedal that can be adjusted and swing height and vertical angles, provide comfortable Impression, this high dining chair realize the articulated connection of whole components, can be unfolded or fold gathering together, and operation is very easy when use, Volume after folding is small, and component composition is simply hardly damaged, and transport and storage occupy little space.

【Description of the drawings】

Fig. 1 is stereogram of the present invention；

Fig. 2 is decomposition diagram of the present invention；

Fig. 3 is foldable locking device of the present invention and folding control mechanism decomposition diagram；

Fig. 4 is foldable locking device of the present invention and folding control mechanism decomposition diagram；

Fig. 5 is foldable locking device of the present invention and folding control mechanism decomposition diagram；

Fig. 6 is foldable locking device diagrammatic cross-section of the present invention；

Fig. 7 is backboard and arm-rest frame decomposition diagram of the present invention；

Fig. 8 is backboard and arm-rest frame decomposition diagram of the present invention；

Fig. 9 is decomposition diagram of the present invention；

Figure 10 is seat frame decomposition diagram of the present invention；

Figure 11 is seat frame decomposition diagram of the present invention；

Figure 12 is seat frame diagrammatic cross-section of the present invention；

Figure 13 is folded state stereogram of the present invention.

【Specific implementation mode】

A kind of high dining chair of linkage folding, including：

Front support leg 11,

Rear leg 12, upper end are hinged with 11 upper end of front support leg；

Seat support bar 13, lower end and 11 middle part of the front support leg are hinged；

Seat support connecting rod 14, upper end is hinged with 21 front of seat frame, lower end and the seat support bar 13 Middle part is hinged；

Bottom connecting rod 15, front end are cut with scissors with the Seat support connecting rod 14 with hinged shaft and 13 middle part of seat support bar It connects, rear end and 12 middle part of rear leg are hinged；

Seat frame 21, rear portion are hinged with hinged shaft with the upper end of the front support leg 11 and rear leg 12；

Arm-rest frame 22, front are hinged with 13 upper end of seat support bar；

The upper end of ribbed insert 220, lower end and the front support leg 11 and rear leg 12 is hinged with hinged shaft, upper end with it is described 22 rear end of arm-rest frame is hinged；

Backboard 23, lower end is hinged with 21 rear portion of seat frame, and top is hinged with the ribbed insert 220；

Kid's meal plate 24, lower part are connect with the arm-rest frame 22；

Foldable locking device 16, the unfolded state for locking dining chair, be arranged the front support leg 11, rear leg 12, The hinged place of ribbed insert 220, seat frame 21；

Control mechanism 17 is folded, is unlocked for controlling the foldable locking device 16.

Front support leg, rear leg, seat frame and arm-rest frame are hinged at foldable locking device together, and foldable locking device can be with It is unlocked by folding control mechanism and perambulator is made integrally to fold, control mechanism is folded when expansion can control fixed fold locking dress It sets, kid's meal plate is also associated on arm-rest frame, backboard is additionally provided on seat frame, realize the articulated connection of whole components, it can one And be unfolded or fold to collapse, it is easy to use, it is easy to operate.

Branch after the foldable locking device 16 includes the first articulation piece 161 being connect with the front support leg 11 and is described The second articulation piece 162 that foot 12 connects, the third articulation piece 163 that is connect with the ribbed insert 220 and with the seat frame The seat frame hinged disk 210 of 21 connections, first articulation piece 161, the second articulation piece 162, third articulation piece 163 and seat frame Hinged disk 210 is sequentially coaxially hinged, and the third articulation piece 163 is equipped with clamping lock bolt of its opposite sliding of at least one energy 164, be respectively equipped with the corresponding position of the third articulation piece 163 on first articulation piece, 161 and second articulation piece 162 with Its hinged shaft is the first articulation piece sliding slot 1611 and the second articulation piece for the arc that the center of circle is slided for the clamping lock bolt 164 in it Sliding slot 1621, one end of the first articulation piece sliding slot 1611 is equipped with to communicate therewith is caught in locking for the clamping lock bolt 164 First snap lock notch 1612, one end of the second articulation piece sliding slot 1621, which is equipped with, to be communicated therewith for the clamping lock bolt 164 are caught in the second snap lock notch 1622 of locking, on the seat frame hinged disk 210 with the third articulation piece 163 opposite sides are equipped with the seat sliding slot for the arc for being caught in locking for the clamping lock bolt 164 using its hinged shaft as the center of circle 213, one end of the seat sliding slot 213 is equipped with the seat clamping lock notch for communicating therewith and being caught in lock for the clamping lock bolt 164 214, being equipped between the third articulation piece 163 and the clamping lock bolt 164 makes the clamping lock bolt 164 that clamping lock be kept to exist The first elastic top in the first snap lock notch 1612, the second snap lock notch 1622 and seat clamping lock notch 214 Casting die 165.The first articulation piece and the second articulation piece being connect respectively with front support leg and rear leg, together with third articulation piece and seat Chair hinged disk is hinged, and ribbed insert connects third articulation piece, at this moment at least one clamping lock bolt of foldable locking device, respectively from Both ends protrude from ribbed insert and third articulation piece, fix front and back stabilizer blade and seat frame respectively, maintain the perambulator expansion to fix, when When high dining chair expansion is fixed, one end of clamping lock bolt is located in the first snap lock notch and the second snap lock notch, another End is located in seat clamping lock notch, when high dining chair needs to fold, the first articulation piece, the second articulation piece, seat frame hinged disk one It is rotated along hinged shaft with relative to third articulation piece, the both ends of clamping lock bolt are respectively along the first articulation piece sliding slot and the second articulation piece at this time Sliding slot and the sliding of seat sliding slot, clamping lock bolt is slided along above-mentioned negative direction when being unfolded again, and clamping lock bolt is in the first elastic top pressure Under part effect, clamping lock stationary state is kept, the first elastic top-pressure part can be top pressure spring.

First articulation piece 161 includes the first outer articulation piece 1613 that long pommel is inserted into 11 upper end of the front support leg together With first in articulation piece 1614, be equipped between articulation piece 1614 in the first outer articulation piece 1613 and first together it is hinged simultaneously The second articulation piece 162 that can be relatively rotated.First articulation piece includes the first outer articulation piece that front support leg upper end is inserted into one end together With first in articulation piece, articulation piece sandwiches the second articulation piece in the first outer articulation piece and first, and hinged together, and can be with hinge Axis be the center of circle relatively rotate, so avoid front support leg with rear leg is folded against hingedly rotate when, generate gap and make folding Or expansion has some setbacks, and reduces parts depreciation.

The third articulation piece 163 is equipped with the second clamping lock bolt that can be equally slided along the third articulation piece 163 166, it is additionally provided on first articulation piece 161 and is slided in it for the second clamping lock bolt 166 as the center of circle using its hinged shaft First articulation piece internal chute 1615 of arc, one end of the first articulation piece internal chute 1615, which is equipped with, to be communicated therewith for the card Locking plug 164 is caught in notch in the first snap lock of locking, is slided in the first articulation piece sliding slot 1611 and the first articulation piece Slot 1615 is the arc radius of the first articulation piece sliding slot 1611 with using hinged shaft as the circular arc in the center of circle and the hinged shaft both sides that are placed in More than the arc radius of the first articulation piece internal chute 1615.Preferred clamping lock bolt has two, including another second card Locking plug, along hinged shaft axially distribution setting, corresponding first articulation piece sliding slot and the first snap lock notch also there are two, i.e. edge Notch, clamping lock bolt and the second clamping lock bolt are the in first hinged internal chute of hinged shaft other side distribution and the first snap lock One articulation piece upper edge hinged shaft slides in the same direction, and synchronous clamping lock, at the same the second articulation piece sliding slot and seat sliding slot also there are two, accordingly The second snap lock notch and seat sliding slot also there are two, ensure clamping lock it is secured, improve safety.

The folding control mechanism 17 includes being sheathed on the ribbed insert 220 and capable of being slided along the ribbed insert 220 Dynamic clamping lock handle 171 is connected between the clamping lock handle 171 and the clamping lock bolt 164 and the clamping lock is driven to insert The folding control backrest adjusting yoke 172 that pin 164 slides.When lifting clamp lock handle, clamping lock handle passes through backrest adjusting yoke Clamping lock bolt is driven to be slided along the length direction of ribbed insert so that the end part of clamping lock bolt takes leave of the branch of spending foot articulation piece Seat clamping lock notch in foot latch hole and seat frame hinged disk, front support leg, rear leg, seat frame and ribbed insert can at this time It is rotated along hinged shaft, and Pram folding is driven to shrink, the end of clamping lock bolt slides into stabilizer blade articulation piece from snap lock hole respectively and slides Slot slides into seat sliding slot from seat clamping lock notch, completes to fold unlock of the control mechanism to foldable locking device, this dining chair is able to It folds, when dining chair is unfolded again, clamping lock bolt will slide into snap lock hole along stabilizer blade articulation piece sliding slot simultaneously, along seat sliding slot Seat clamping lock notch is slid into, the junction with clamping lock handle and clamping lock bolt respectively on ribbed insert, along ribbed insert length Direction is equipped with the bar-shaped trough for facilitating them to slide.

It is equipped between the backboard 23 and the ribbed insert 220 for adjusting 23 pitch angle of the backboard Backrest angle regulating mechanism 231, the backboard 23 are equipped with the backrest angle of the control backrest angle regulating mechanism 231 Adjusting control mechanism.Angle adjusting mechanism on backboard can control the pitch angle of backboard, backrest angle adjusting control Mechanism controls angle adjusting mechanism adjusts the different pitch angles that children are sitting on seat frame, comfortably makes to children's offer of having dinner With feeling.

The backrest angle regulating mechanism 231 includes one end and the hinged backrest adjusting rod 234 of the backboard 23, described Being arranged on backrest adjusting rod 234 can be along the backrest adjusting rod 234 sliding and the adjusting sliding sleeve hinged with the backboard 23 235, the backrest adjusting rod 234 is equipped with multiple locating slots 236, and the adjusting sliding sleeve 235 is equipped with flexible and is inserted into institute The positioning pin 237 of 23 angle of the backboard is adjusted and locked in the locating slot 236 stated, and is also set in the backrest adjusting rod 234 It is useful for adjusting described in the accommodating insertion of the positioning pin 237 and the adjusting rod inner cavity 2341 being connected to the locating slot 236 and block The block plate 2342 of pole inner cavity 2341, the sliding sleeve 235 that adjusts are equipped with the cunning that can be stretched into the adjusting rod inner cavity 2341 Lock protrusion 2351, one end of the adjusting rod inner cavity 2341 are equipped with the anticreep block for stopping the sliding lock protrusion 2351 2343.Arm-rest frame is connect by backrest adjusting rod and the adjusting sliding sleeve being arranged in the above with backboard, backrest adjusting rod energy edge Sliding sleeve sliding is adjusted, and the positioning pin extended on backboard can be inserted into the locating slot of backrest adjusting rod, position clamping lock backrest The pitch angle of plate adjusts sliding sleeve and is slided along backrest adjusting rod, and sliding lock protrusion is slided along adjusting rod inner cavity, and adjusting rod inner cavity is leaned on One end on rear side of nearly backboard is provided with anticreep block and is done safely to backboard in the case of placement positioning pin card lock is unstable Accident occurs for secondary protection, prevention backboard layback.

The backrest angle adjusting control mechanism includes regulation handle 2312, the regulation handle 2312 and the positioning Backrest adjusting yoke 2313 is equipped between pin 237, the backboard 23 is equipped with the hinge hole for wearing the positioning pin 237 232, the positioning pin 237 passes through the hinge hole 232 to be inserted into the locating slot 236, the backrest adjusting yoke It is equipped between 2313 and the backboard 23 for second of backrest adjusting yoke 2313 described in top pressure the elastic top-pressure part 238. When angle adjusting mechanism adjusts backboard pitch angle, regulation handle, regulation handle can first be pulled to pass through backrest adjusting yoke band Dynamic to extend the retraction of the positioning pin on the outside of backboard by hinge hole, positioning pin is detached with the locating slot on backrest adjusting rod at this time, But positioning pin is still connect with muff joint, ensures the connection of backboard and arm-rest frame, at this time the pitch angle of adjustable backrest plate, And slided along backrest adjusting rod with the muff joint of positioning pin connection, until suitable pitch angle position, can unclamp regulation handle, Pull rod and positioning pin lose pulling force effect together, and the resetting spring at positioning pin by pressure positioning pin along hinge hole to backboard Outside is slided to the locating slot direction of backrest adjusting rod, when the locating slot of positioning pin slide-in corresponding position, then consolidate backboard It is scheduled on the pitch angle, and the second elastic top-pressure part top pressure backrest adjusting yoke, makes it that positioning pin clamping lock be pushed to fix, the second bullet Property top-pressure part can be top pressure spring.

The seat frame 21 includes seat plate 211 and the hinged foot-operated pedestal 215 in 211 front end of the seat plate and is hinged Axis 2151, the foot-operated pedestal 215 is equipped with the limit protrusion 2152 that can limit 215 rotational angle of foot-operated pedestal, described Seat plate 211 is equipped with the resigning sliding slot 2111 for being worn for the articulated shaft 2151, and the seat frame 21 further includes being used for Stop the hinged shaft baffle 2153 that the articulated shaft 2151 slides axially, the foot-operated pedestal 215 is equipped with can be with it along described The pedal connecting rod 216 that articulated shaft 2151 rotates together, be arranged on the pedal connecting rod 216 can along its flexible foot pedal 217, It is equipped in the pedal connecting rod 216 and protrudes from the pedal connecting rod when the pedal connecting rod 216 and 217 clamping lock of foot pedal position 216 with the foot-operated lock tongue 218 outside foot pedal 217, be additionally provided in the pedal connecting rod 216 for foot-operated lock tongue described in top pressure 218 third elasticity top-pressure part 219.Foot-operated pedestal is hinged along articulated shaft with seat front edge of board so that foot-operated pedestal drives foot-operated Plate can rotate before and after hinged shaft and adjust the angle of foot pedal, ride and be equipped with the limit protrusion for limiting rotational angle on pedestal, Limit protrusion turns to top and is limited by seat plate, is limited by hinged shaft baffle when limit protrusion turns to lower part, and then limits foot The swing angle of pedal, and foot pedal is set on the pedal connecting rod being connect with foot-operated pedestal, foot pedal can be flexible up and down along it Sliding, adjusts the height of foot pedal, rides lock tongue and is driven by third elasticity top-pressure part, and clamping lock foot pedal and pedal connecting rod use hand It is pressed from both ends and rides lock tongue, third elasticity top-pressure part can be compressed, to make foot pedal sliding opposite with pedal connecting rod, again Foot-operated lock tongue is caught in the latch hole of corresponding position again when fixed, and the latch hole of corresponding different height position has multiple, third Elastic top-pressure part can be top pressure spring.

The arm-rest frame 22 includes the handrail bottom bar 221 hinged with 13 upper end of the seat support bar, the kid's meal plate 24 are equipped with the meal plate sliding slot 241 for being clamped and supplying the handrail bottom bar 221 to slide along, and are also set on the kid's meal plate 24 It is useful for the third elasticity top pressure that clamping lock fixes clamping lock push handle 242 described in the clamping lock push handle 242 and top pressure of the kid's meal plate 24 Part 243, the handrail bottom bar 221 is equipped with multiple meal board lockholes 222 for limiting 24 position of kid's meal plate, described Clamping lock push handle 242 is equipped with the clamping lock protrusion 2421 for coordinating kid's meal plate 24 described in 222 clamping lock of meal board lockhole, before described Stabilizer blade 11 and rear leg 12 are U-shaped, and the front support leg 11 and the U-shaped end of rear leg 12 are hingedly connected to the foldable locking On device 16.Kid's meal plate in use, by arm-rest frame handrail bottom bar support, collapse when can together be rolled over handrail bottom bar Folded, without in addition removing, and kid's meal plate can be slided along handrail bottom bar, to adjust when kid's meal plate uses apart from children's Suitable distance can be to the clamping lock push handle under pull-out kid's meal plate on the outside of seat, clamping lock push handle when needing to adjust kid's meal Board position On clamping lock protrusion will be detached with the latch hole on handrail bottom bar, kid's meal plate can be slided along handrail bottom bar at this time, until suitable position It sets, clamping lock push handle will drive clamping lock protrusion to be caught in latch hole under the effect of third elasticity top-pressure part, to fix kid's meal again The position of plate, third elasticity top-pressure part can be top pressure springs, and U-shaped front support leg and rear leg are hinged in U-shaped end Connection, firm supporting.

Claims (8)

1. a kind of linkage folds high dining chair, it is characterised in that：Including：

Front support leg (11),

Rear leg (12), upper end and described front support leg (11) upper end are hinged；

Seat support bar (13), lower end are hinged in the middle part of the front support leg (11)；

Seat frame (21), rear portion are hinged with hinged shaft with the upper end of the front support leg (11) and rear leg (12)；

Arm-rest frame (22), front and described seat support bar (13) upper end are hinged；

Seat support connecting rod (14), upper end and described seat frame (21) front are hinged, lower end and the seat support bar (13) middle part is hinged；

Bottom connecting rod (15), front end is with the Seat support connecting rod (14) with hinged shaft and hinge in the middle part of the seat support bar (13) It connects, is hinged in the middle part of rear end and the rear leg (12)；

The upper end of ribbed insert (220), lower end and the front support leg (11) and rear leg (12) is hinged with hinged shaft, upper end with it is described Arm-rest frame (22) rear end it is hinged；

Backboard (23), lower end and described seat frame (21) rear portion are hinged, and top is hinged with the ribbed insert (220)；

Kid's meal plate (24), lower part are connect with the arm-rest frame (22)；

Foldable locking device (16), the unfolded state for locking dining chair are arranged in the front support leg (11), rear leg (12), the hinged place of ribbed insert (220), seat frame (21)；

Control mechanism (17) is folded, for controlling foldable locking device (16) unlock；

It is equipped between the backboard (23) and the ribbed insert (220) for adjusting the backboard (23) pitch angle Backrest angle regulating mechanism (231), the backboard (23) is equipped with the control backrest angle regulating mechanism (231) Backrest angle adjusting control mechanism, the backrest angle regulating mechanism (231) include that one end and the backboard (23) are hinged Backrest adjusting rod (234), be arranged on the backrest adjusting rod (234) can be slided along the backrest adjusting rod (234) and with institute The hinged adjusting sliding sleeve (235) of backboard (23) is stated, the backrest adjusting rod (234) is equipped with multiple locating slots (236), described Adjusting sliding sleeve (235) be equipped with flexible and be inserted into and adjusted in the locating slot (236) and lock the backboard (23) angle The positioning pin (237) of degree, be additionally provided in the backrest adjusting rod (234) for house the positioning pin (237) be inserted into and with institute The block plate (2342) of adjusting rod inner cavity (2341) described in the adjusting rod inner cavity (2341) and block that locating slot (236) is connected to is stated, The sliding sleeve (235) that adjusts is equipped with the sliding lock protrusion (2351) that can be stretched into the adjusting rod inner cavity (2341), the adjusting One end of bar inner cavity (2341) is equipped with the anticreep block (2343) for stopping the sliding lock raised (2351).

2. a kind of linkage according to claim 1 folds high dining chair, it is characterised in that：Foldable locking device (16) packet Include the first articulation piece (161) being connect with the front support leg (11), the second articulation piece being connect with the rear leg (12) (162), the third articulation piece (163) being connect with the ribbed insert (220) and the seat being connect with the seat frame (21) Frame hinged disk (210), first articulation piece (161), the second articulation piece (162), third articulation piece (163) and seat frame are hinged Disk (210) is sequentially coaxially hinged, and the third articulation piece (163) is equipped with clamping lock bolt of its opposite sliding of at least one energy (164), on first articulation piece (161) and the second articulation piece (162) with the corresponding position of the third articulation piece (163) point First articulation piece sliding slot (1611) of the arc that She You not be slided in it for the clamping lock bolt (164) as the center of circle using its hinged shaft With the second articulation piece sliding slot (1621), one end of the first articulation piece sliding slot (1611) is equipped with to communicate therewith and be inserted for the clamping lock Pin (164) is caught in the first snap lock notch (1612) of locking, one end of the second articulation piece sliding slot (1621) be equipped with It is connected to the second snap lock notch (1622) that locking is caught in for the clamping lock bolt (164), the seat frame hinged disk (210) side opposite with the third articulation piece (163) is equipped on supplies the clamping lock bolt by the center of circle of its hinged shaft (164) it is caught in the seat sliding slot (213) of the arc of locking, one end of the seat sliding slot (213), which is equipped with, to be communicated therewith described in confession Clamping lock bolt (164) is caught in the seat clamping lock notch (214) of locking, the third articulation piece (163) and the clamping lock bolt (164) be equipped between make the clamping lock bolt (164) keep clamping lock the first snap lock notch (1612), second The first elastic top-pressure part (165) in foot clamping lock notch (1622) and seat clamping lock notch (214).

3. a kind of linkage according to claim 2 folds high dining chair, it is characterised in that：First articulation piece (161) packet It includes long pommel and is inserted into articulation piece (1614) in the first outer articulation piece (1613) and first of the front support leg (11) upper end, institute together It states and is equipped with hinged can simultaneously relatively rotate second together in the first outer articulation piece (1613) and first between articulation piece (1614) Articulation piece (162).

4. a kind of linkage according to claim 2 folds high dining chair, it is characterised in that：On the third articulation piece (163) Equipped with same the second clamping lock bolt (166) that can be slided along the third articulation piece (163), along first articulation piece (161) It is additionally provided with the first articulation piece internal chute of the arc slided in it for the second clamping lock bolt (166) as the center of circle using its hinged shaft (1615), one end of the first articulation piece internal chute (1615) is equipped with to communicate therewith is caught in lock for the clamping lock bolt (164) Notch in the first fixed snap lock, the first articulation piece sliding slot (1611) are same with the first articulation piece internal chute (1615) Hinged shaft is the circular arc of the center of circle and the hinged shaft both sides that are placed in, and the arc radius of the first articulation piece sliding slot (1611) is more than described the The arc radius of one articulation piece internal chute (1615).

5. a kind of linkage according to claim 2 folds high dining chair, it is characterised in that folding control mechanism (17) packet The clamping lock handle (171) that is sheathed on the ribbed insert (220) and can be slided along the ribbed insert (220) is included, it is described The folding control for driving clamping lock bolt (164) sliding is connected between clamping lock handle (171) and the clamping lock bolt (164) Drawstring (172) processed.

6. a kind of linkage according to claim 1 folds high dining chair, it is characterised in that：The backrest angle adjusting control machine Structure includes regulation handle (2312), and backrest is equipped between the regulation handle (2312) and the positioning pin (237) and adjusts drawing Bar (2313), the backboard (23) are equipped with the hinge hole (232) for wearing the positioning pin (237), the positioning pin (237) hinge hole (232) is passed through to be inserted into the locating slot (236), the backrest adjusting yoke (2313) and institute It is equipped between the backboard (23) stated for second of backrest adjusting yoke (2313) described in top pressure the elastic top-pressure part (238).

7. a kind of linkage according to claim 1 folds high dining chair, it is characterised in that：The seat frame (21) includes seat Plate (211) and the hinged foot-operated pedestal (215) in the seat plate (211) front end and articulated shaft (2151), the foot-operated pedestal (215) limit protrusion (2152) of foot-operated pedestal (215) rotational angle can be limited by being equipped with, on the seat plate (211) Equipped with the resigning sliding slot (2111) for being worn for the articulated shaft (2151), the seat frame (21) further includes for stopping The hinged shaft baffle (2153) that articulated shaft (2151) slides axially is stated, the foot-operated pedestal (215) is equipped with can be with it along described The pedal connecting rod (216) that articulated shaft (2151) rotates together, being arranged on the pedal connecting rod (216) can be flexible foot-operated along its Plate (217), interior be equipped with of the pedal connecting rod (216) are protruded when the pedal connecting rod (216) is positioned with foot pedal (217) clamping lock It is additionally provided in the external foot-operated lock tongue (218) of the pedal connecting rod (216) and foot pedal (217), the pedal connecting rod (216) Third elasticity top-pressure part (219) for riding lock tongue (218) described in top pressure.

8. a kind of linkage according to claim 1 folds high dining chair, it is characterised in that the arm-rest frame (22) includes and institute The hinged handrail bottom bar (221) in seat support bar (13) upper end is stated, the kid's meal plate (24) is equipped with for being clamped and for institute The meal plate sliding slot (241) that handrail bottom bar (221) slides along is stated, is additionally provided on the kid's meal plate (24) and fixes institute for clamping lock State the 4th elastic top-pressure part (243) of clamping lock push handle (242) described in the clamping lock push handle (242) and top pressure of kid's meal plate (24), institute It states handrail bottom bar (221) and is equipped with multiple meal board lockholes (222) for limiting kid's meal plate (24) position, the card Locking push handle (242) and being equipped with coordinates the clamping lock of kid's meal plate (24) described in described meal board lockhole (222) clamping lock raised (2421), The front support leg (11) and rear leg (12) are U-shaped, and the front support leg (11) and the U-shaped end of rear leg (12) are respectively articulated with In on the foldable locking device (16).