CN205885154U - Folding self -supporting child dinning chair - Google Patents

Abstract

The utility model discloses a folding self -supporting child dinning chair, back pole and foot rest lever were installed in the rotation on fold the support, should folding the support, articulated bar and the seat pole that has mutual linkage on the back pole, the extension section of one end for being located back pole rear side of seat pole, should extend section traction lever with the foot rest lever linkage. The utility model has the advantages of it is following: linkage parts and seat -Offset, the part that will link arranges that the opposite side at the seat pole can provide bigger dining chair space, the infant can be because of linkage parts restriction shank space when using the dining chair, the tong gap that more can not appear when the activity because of the linkage parts and the injury has improved the security, the member prolongs the design of giving birth to to the back rear side, need not add other drive disk assemblys, only needs to prolong or change the pin joint of member, just can realize full seat linkage, convenience production, the design of many member sharing axis has improved the firm of seat, has made things convenient for and has expanded arranging of lock.

Description

A kind of children dinning chair folding self-support

Technical field

This utility model is related to articles for children field, more particularly to a kind of children dinning chair folding self-support.

Background technology

Children dinning chair, as the term suggests it is simply that the chair of child's dining.That sells on the market has wood children dinning chair and divides Body children dinning chair, folding children's dining chair.Need in design to make the comfort of specialty for baby, all functional design all enclose Set out around baby's body development and subjective feeling, reduce as far as possible and split part in order to avoid reducing security performance, need to be absorbed in dining chair certainly Functional optimization, wherein comfortable seat more can take into account that baby is healthy to develop and the forming of good study habit.Youngster Virgin dining chair is more ripe product, is having diversified selection on the market.

In order to adapt to different use environments, people devise the dining chair being capable of height, such as Publication No. The Chinese patent literature of cn201664113u discloses a kind of Liftable high dining chair for baby, and it includes the folding being made up of pole Framework, is arranged on the baby dining chair on framework, is provided with wheel on pole, described baby dining chair include seat board, backboard, Balustrade panel, service plate and footboard, are provided with sliding-rail groove on the pole of the balustrade panel both sides of baby dining chair, fixing on balustrade panel Slide track bar is installed, this slide track bar slides on sliding-rail groove up and down, is provided with lock uint between slide track bar and sliding-rail groove, is helping Palm is provided with the switch controlling slide track bar to slide up and down in sliding-rail groove.This utility model Liftable high dining chair for baby has knot Structure is simple, easy to use, adjustable height arbitrarily and the feature that also can stand after folding.In this technical scheme, slide rail exposes outside, Foreign body easily affects lifting process, and in folding, dining chair main body can not complete to fold, and volume is relatively large.

The Chinese patent literature of Publication No. cn203436021u discloses a kind of kid's meal of one hand conditioned seat height Chair, it is related to Special chair structure, the seat mainly by dining chair frame, being arranged on dining chair frame and the seat that a kind of confession child has meal Position elevation locking mechanism etc. is constituted, and this seat height locking mechanism includes adjusting button, latch fitting, elastic component, lockhole and pull rope It is to be connected directly between by pull rope to adjust on button after the backrest at seat Deng, latch fitting, no matter therefore being provided with several groups of seats Pull rope only need to be simultaneously connected with and adjust on button, adjust button by one-handed performance by position elevation locking mechanism Realize locking or the unblock of seat height locking mechanism.The problems referred to above are equally existed in this technical scheme, and upon wear not Readily replaceable.

The Chinese patent literature of Publication No. cn201278970 discloses a kind of self-support structure of children dinning chair, and dining chair props up Frame is provided with first locking mechanism and second locking mechanism, and side stand includes rear pole, sliding part, front strut, connecting rod, sliding part Can be slidably disposed within rear pole along the length direction of rear pole, front strut one end and sliding part rotate setting, sliding part On there is resistance surface, when dining chair support is in folded state, front strut is against in resistance surface, one end of connecting rod and front strut phase Rotate and connect, the other end rotates with the lower end of rear pole and is connected, when folding dining chair, unblock first locking mechanism, along rear Stay length direction upward sliding sliding part, under the interlink function of connecting rod, front strut, by with rotating forward upwards, supports in front and back Bar phase is drawn in, relies on the locking of second locking mechanism.Before and after in this technical scheme, the folding of foot and the folding of seat are separate, Using more inconvenience.

Utility model content

In view of the shortcomings of the prior art, this utility model provides one kind by dislocation arrangement link gear and seat Realize dining chair foldable integral and the children dinning chair being able to support oneself after folding.

The technical solution of the utility model is:

A kind of children dinning chair folding self-support, including folding rack, this folding rack is rotatablely equipped with back support bar and foot Treadle, is hinged with bar and the seat bar of mutual linkage, one end of described seat bar is after back support bar in back support bar The extension of side, this extension draw bar and described foot-driven lever linkage.

Children dinning chair is arranged on folding rack, and in back support bar, the bar installed and seat bar make children dinning chair needs The volume of dining chair can be reduced by turning down bar and seat bar, seat bar is by the extension on rear side of back support bar during folding Section and foot-driven lever linkage, realize the linkage of dining chair and foot-driven lever folding in folding process, optimize folding process, reduce folded formation Long-pending, improve self-support performance.

For reducing movable part to the movement interference during chair folds, folding rack is preferably, described folding rack Including the front foot lever being hinged and rear foot lever, wherein said foot-driven lever axle is connected on front foot lever, before foot-driven lever one end extends to The rear side of foot lever is simultaneously hinged with described draw bar.This design is advantageous in that by layout optimization motor process before and after distribution.Phase For being located at the design of back support bar side compared with seat in prior art and foot-operated linkage, it is partially disposed on seat bar by link Opposite side bigger dining chair space can be provided, infant, when using dining chair, will not limit leg because of linkage part empty Between, the tong gap that more will not occur in activity because of linkage part and injured, improve safety.

In order to optimize integral layout further, improve the security performance of dining chair, preferably, described front foot lever and rear foot lever Both tops, and the bottom of back support bar is hinged by axis.Front foot lever, rear foot lever, back support bar three are coaxial hinged good Place is to reduce pin joint, improves the stability of vehicle frame.Excessive pin joint can form multiple linkages, multi link machine The uncertainty of structure motion can affect the firm of dining chair, and is equivalent to three rod members of pivot joint by the hinged three of axis, therefore The firm of dining chair can be effectively improved while reducing part.Wherein " axis " concept do not limit and entity axle, but Represent the imaginary axis in motor process or special-shaped axis body." top of front foot lever and rear foot lever, and the bottom of back support bar In end ", " top " and " bottom " is not limited to top and the least significant end of rod member, but the concept with respect to middle part.

Preferably, described bar and seat bar are hinged with back support bar respectively, also hinged between bar and seat bar There is gangbar, described bar, seat bar, gangbar and back support bar composition the first quadric chain.

Quadric chain can determine movement locus during dining chair folding, when needing folding dining chair, promotes back support bar, helps Hand lever acts on gangbar and draws close to seat bar, realizes the folding of overall quadric chain.

Preferably, the extension of described seat bar, foot-driven lever is positioned at front foot lever rear section, back support bar and draw bar Constitute the second quadric chain.

Hinged draw bar between front foot lever rear section is located at by the extension of seat bar and foot-driven lever, can be the The folding of the second quadric chain is driven, thus realizing the synchronous folding of foot-driven lever during one quadric chain folding.Excellent The folding process changed, improves user's use feeling.

In order to optimize integral layout further, improve the security performance of dining chair, preferably, described foot-driven lever is hinged on institute State on axis.The common shaft design of front foot lever, rear foot lever, back support bar and foot-driven lever greatly reduces the moving component of dining chair, carries High-stability energy.

As further preferred, described axis is provided with the expansion lock that described children dinning chair is maintained at deployed condition. Front foot lever, rear foot lever, back support bar and foot-driven lever plurality of rods part are articulated with axis, arranging expansion lock can effectively increase herein The effect of strong locking.

This utility model has the advantage that

(1) linkage part and seat dislocation arrangement, the opposite side being partially disposed on seat bar of linkage can be provided more Big dining chair space, infant, when using dining chair, will not limit leg room because of linkage part, more will not be because of linkage portion Tong gap that part occurs in activity and injured, improve safety；

(2) rod member prolongs the raw design on rear side of backrest it is not necessary to add other drive disk assemblies it is only necessary to extending or changing The pin joint of rod member, can be achieved with full seat cushion linkage, convenient production；

(3) plurality of rods part shares axis design, improves the firm of seat, facilitates the arrangement launching lock.

Brief description

Fig. 1 folds, for the present embodiment, the children dinning chair schematic diagram supported oneself；

Fig. 2 is the side view of the children dinning chair folding self-support in Fig. 1；

Fig. 3 is the structure chart of the children dinning chair folding self-support in Fig. 2；

Fig. 4 and Fig. 5 is the foldable structure figure folding the children dinning chair supported oneself in Fig. 3；

Fig. 6 is the children dinning chair folding self-support in Fig. 1 in the schematic diagram folding free standing condition.

Specific embodiment

This utility model specific embodiment is described below in conjunction with the accompanying drawings.

As shown in Figures 1 to 6, a kind of children dinning chair folding self-support, including folding rack, this folding rack rotates peace Equipped with back support bar 101 and foot-driven lever 106, bar 102 and the seat bar 107 of mutual linkage, seat are hinged with back support bar 101 One end of chair bar 107 is positioned at the extension 120 of back support bar 101 rear side, this extension 120 draw bar 108 and foot-driven lever 106 Dynamic.

Folding rack includes the front foot lever 105 being hinged and rear foot lever 104, and wherein foot-driven lever 106 axle is connected on front foot lever On 105, foot-driven lever 106 one end extends to the rear side of front foot lever 105 hinged with draw bar 108.Front foot lever 105 and rear foot lever Top both 104, and the bottom of back support bar 101 is hinged by axis 109.

Bar 102 and seat bar 107 are hinged with back support bar 101 respectively, also cut with scissors between bar 102 and seat bar 107 It is connected to gangbar, bar 102, seat bar 107, gangbar and back support bar 101 composition the first quadric chain.Seat bar 107 extension 120, foot-driven lever 106 is located at front foot lever 105 rear section 121, the bottom 122 of back support bar 101 and draw bar 108 composition the second quadric chains.

Foot-driven lever 106 is hinged on axis 109.Exhibition children dinning chair being maintained at deployed condition is provided with axis 109 Unlocking 111, launches lock 111 and is provided with two roads locks 110.

As follows using process:

When need fold when: pressing two roads lock 110, rotary expansion lock 111, unlock axis 109, drive back support bar 101 to Seat bar 107 is drawn close, and in the first quadric chain folding process, the motion of back support bar 101 and seat bar 107 drives the two or four Connecting rod mechanism movement, thus synchronous folding mechanism foot-driven lever 106, is additionally provided with the lazy-tongs of routine techniquess, Neng Goutong in axis 109 The step front foot lever of folding 105 and rear foot lever 104, fold free standing condition thus realizing full car and being folded to shown in Fig. 6.

Expansion process reverse operating.

The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this For the technical staff in field, this utility model can have various modifications and variations.All of the present utility model spirit and principle Within, any modification, equivalent substitution and improvement made etc., should be included within protection domain of the present utility model.

Claims (7)

1. a kind of children dinning chair folding self-support, including folding rack, this folding rack is rotatablely equipped with back support bar and rides Bar, the bar of mutual linkage and seat bar are hinged with back support bar it is characterised in that one end of described seat bar be positioned at Extension on rear side of back support bar, this extension draw bar and described foot-driven lever linkage.

2. the children dinning chair supported oneself that folds as claimed in claim 1 is it is characterised in that described folding rack includes being hinged Front foot lever and rear foot lever, wherein said foot-driven lever axle is connected on front foot lever, and foot-driven lever one end extends to the rear side of front foot lever simultaneously Hinged with described draw bar.

3. as claimed in claim 2 fold the children dinning chair supported oneself it is characterised in that described front foot lever and rear foot lever Top, and the bottom of back support bar is hinged by axis.

4. as claimed in claim 3 fold support oneself children dinning chair it is characterised in that described bar and seat bar respectively with Back support bar is hinged, is also hinged with gangbar between bar and seat bar, described bar, seat bar, gangbar and backrest Bar constitutes the first quadric chain.

5. the children dinning chair folding self-support as claimed in claim 4, it is characterised in that the extension of described seat bar, is ridden Bar is located at front foot lever rear section, and back support bar and draw bar constitute the second quadric chain.

6. the children dinning chair supported oneself that folds as claimed in claim 5 is it is characterised in that described foot-driven lever is hinged on described axis On.

7. the children dinning chair supported oneself that folds as claimed in claim 6 is it is characterised in that be provided with described youngster on described axis Virgin dining chair is maintained at the expansion lock of deployed condition.