CN205321890U - Dining chair for babies - Google Patents

Abstract

The utility model discloses a dining chair for babies, the forward foot in a step and the rear foot including normal running fit, the top of the forward foot in a step and the rear foot is fixed with preceding, back joint seat respectively, through pivot interconnect between the two joint seats, dining chair for babies still is equipped with and can dismantles the joint lid of being connected with one of them joint seat, and the linking position envelope of two joint seats is in this joint lid. The utility model discloses joint lid protection has, and it is safe in utilization, through design the fixed point in the joint, the joint of installation peripheral hardware is covered, does not need the redesign joint, simple structure, the lid design of detachable joint, it is convenient, economical and practical to change.

Description

A kind of baby dining chair

Technical field

This utility model relates to articles for babies field, particularly relates to a kind of baby dining chair。

Background technology

Baby, because build is less, needs to use the special dining chair increased when feeding or dining, it is possible to folding dining chair occurs commercially。But child is easily damaged by folding movable device, and as articles for children, safety is often the problem that consumer is valued the most, so how putting folder is the problem that child's goods all can consider。

The Chinese patent literature that publication number is CN203558112U discloses a kind of stroller and finger joint, and this finger joint includes the hypozygal lid, sliding block, top shoe, connection dish, engaging elastomeric element and the upper joint lid that set gradually；Upper joint lid and hypozygal lid can relatively rotate, and enclose the inner volume forming accommodating sliding block, top shoe, connection dish, engaging elastomeric element；Connection dish has and radially-protruding fold tooth to state the teeth groove folded on tooth and upper joint lid and upper joint lid suitable, and connection dish slides axially towards upper joint lid and can compress engaging elastomeric element deformation；The stay cord that folds stretching into hypozygal lid is connected with sliding block, and sliding block radial displacement can be pulled, being provided with inclined-plane matching pair between sliding block and top shoe, the sliding block of radial displacement can promote top shoe axial displacement, and the be dynamically connected teeth groove folding tooth and hypozygal lid of dish of band disengages。Adopting two joints all to do the gap that the mode of circular then axially coupling avoids finger to stretch in this technical scheme, this is also technical scheme general in industry。But this connected mode impacts for interarticular spacing meeting, the pin-and-hole being generally adopted is spacing in use because stress concentration is easily damaged more, affects result of use。

Publication number is folding/unfolding joint and the children trolley vehicle frame that the Chinese patent literature of CN203528557U discloses a kind of children trolley, relate to children trolley technical field, for solving the tong problem that in prior art, children trolley vehicle frame is likely to occur in the process of amounting to。The folding/unfolding joint of this children trolley includes: joint lid, driver part, drive mechanism and socket joint, wherein: socket joint can rotate relative to joint lid around active connection place, and drive mechanism is arranged between driver part and socket joint；Driver part can drive socket joint to turn to collapsed position by drive mechanism when sliding into the first precalculated position along predetermined direction relative to joint lid；Driver part can drive socket joint turn to open position by drive mechanism when sliding into the second precalculated position along the opposite direction of predetermined direction relative to joint lid。Have chosen the technical scheme that another kind of row is commonly used in the trade in this technical scheme, namely one of them joint designs of connecting portion becomes to wrap up the form in another joint, thus avoiding the possibility of tong。But such design there is problems of the life problems in joint, joint is also stressed member as the movable part in overall structure, inherently relatively fragile, easily occurs situations such as loosening after life-time service, and now, the protection for joint is easy for losing efficacy。

The Chinese patent literature that publication number is CN204292693U discloses a kind of high dining chair folded, described lean against the upper end being positioned at high dining chair, the described downside leaned against is provided with seat board and chair lower limb, and chair lower limb is provided with front foot pipe, first pedal and crus secunda pedal, crus secunda pedal is positioned at the upside of the first pedal, the side of leg is sequentially provided with rotating shaft from inside to outside, rotating handles, gear, foot-operated bending, button, the described bottom leaned against is provided with and leans against deck, the described side leaning against deck is disposed with and leans against fixed cover, interior folding/unfolding joint, folding/unfolding joint spring, folding/unfolding joint tooth, folding/unfolding joint iron plate, outer folding/unfolding joint lid and joint button, the described epimere leaned against is provided with and leans against adjustment iron wire, the described upside leaning against adjustment iron wire is provided with and leans against pull handle。This technical scheme is similar with the Chinese patent literature technical scheme that publication number is CN203528557U, have employed the design form that joint is wrapped up mutually equally, if joint lid damages it is necessary to change whole socket joint, with high costs。

Utility model content

For the deficiency that prior art exists, this utility model provides a kind of use safety, convenient folding, the baby dining chair of simple in construction。

The technical solution of the utility model is:

A kind of baby dining chair, including the forward foot in a step being rotatably assorted and the rear foot, the top of the described forward foot in a step and the rear foot is respectively fixed with forward and backward socket joint, it is connected with each other by rotating shaft between two joint seat, described baby dining chair is additionally provided with the joint lid removably connected with one of them socket joint, and the junction envelope of two socket joint is in this joint lid。

Baby dining chair is supported by the forward foot in a step and the rear foot, and forward and backward foot is hinged by the forward and backward socket joint on respective top, in order to prevent from exposing between forward and backward socket joint the gap of tong, the position that forward and backward socket joint is hinged is provided with joint lid。Joint lid and one of them socket joint removably connect, therefore forward and backward foot in relative rotation time, the socket joint that joint Gai Yuqi removably connects is fixed, and rotate relative to another socket joint, in whole work process, the junction of joint lid all two socket joint of envelope, does not have the gap of tong。

As preferably, described joint lid is inverted U-shaped, is located at the junction of two socket joint。

In order to better wrap two socket joint junction while do not interfere the mutual motion in joint, joint lid is inverted U-shaped。The two ends of U-shaped opening are fixed on the both sides of the junction of two socket joint。

As it is preferred that, the side of the dining chair dorsad of described posterior joint seat is provided with the position limiting structure of evagination, and described joint covers and is provided with the hole, location being set on position limiting structure。

Joint lid and posterior joint seat removably connect fixing, are coordinated with the position limiting structure of evagination by the hole, location covered in joint, thus reach forward and backward foot in relative rotation time, joint lid and posterior joint seat are fixed, and relative to the purpose that front socket joint rotates。

As preferably, described position limiting structure is annular boss, and the periphery of annular boss is non-circular shape。

Since it is desired that spacing parts are joint lid, the work characteristics of joint lid requires to be secured in place when it is in working order, the part of joint motion can not be exposed, steady pin or fixing groove etc. still have the fixed form of degree of freedom and are not particularly suitable for the fixing of joint lid, therefore, position limiting structure is annular boss。In order to make up the deficiency on circumference is spacing, the periphery of annular boss is non-circular shape。

As preferably, described annular boss is distributed around described rotating shaft, and posterior joint seat is provided with the axis hole corresponding with rotating shaft position, is arranged with the button for unlocking the forward foot in a step and the rear foot in annular boss。

In order to optimize layout, reducing the perforation on the lid of joint, in annular boss, design and installation is for the button for unlocking the forward foot in a step and the rear foot, and therefore, annular boss is distributed around described rotating shaft。Button and joint lid coordinate the axle that can also keep joint while Saving cortilage not tong will not be disturbed by foreign body simultaneously。

In order to ensure the intensity of joint lid, as preferably, described joint covers and is provided with strengthening rib strip。

Strengthening rib strip have employed the form that lid both sides, joint size is drawn in, and the advantage of this form is in that to play dust-proof effect, it is prevented that foreign body enters intra articular, affects joint running, improves service life。

This utility model has the advantage that

(1) protection of joint lid, uses safety；

(2) by joint designs fixing point, installing the joint lid of peripheral hardware, it is not necessary to redesign joint, simple in construction；

(3) dismountable joint lid design, it is convenient to change, economical and practical。

Accompanying drawing explanation

Fig. 1 is the schematic diagram of the present embodiment baby dining chair；

Fig. 2 is the joint part exploded perspective view of baby dining chair in Fig. 1。

Detailed description of the invention

Below in conjunction with accompanying drawing, this utility model detailed description of the invention is described。

As shown in Figure 1, a kind of baby dining chair, including the forward foot in a step 10 being rotatably assorted and the rear foot 20, the top of the forward foot in a step 10 and the rear foot 20 is respectively fixed with front socket joint 11 and posterior joint seat 21, it is connected with each other by rotating shaft between two joint seat, as the two joint seat structurally not strict restriction of connector。

Baby dining chair is additionally provided with the joint lid 30 removably connected with one of them socket joint, and the junction envelope of two socket joint is in this joint lid。In order to better wrap two socket joint junction while do not interfere the mutual motion in joint, joint lid 30 is inverted U-shaped。The two ends of U-shaped opening are fixed on the both sides of the junction of two socket joint。

As shown in Figure 2, front socket joint 11 is arranged in the forward foot in a step by front installing hole 12, posterior joint seat 21 is arranged on the rear foot by rear installing hole 22, front and back socket joint is hinged by rotating shaft 1, it is equipped with, inside the socket joint of front and back, the locking teeth coordinated with lock gear 13, lock gear 13 is fastened on the center of locking spring 14, and with the two ends of locking spring 14 apart from equal or similar, locking spring 14 is set in the periphery of rotating shaft 1。When not having External Force Acting, locking spring 14 relaxes, and lock gear 13 is between the socket joint of front and back, thereby ensure that the angle between the forward foot in a step 10 and the rear foot 20 is constant。Button 24 is fastened in the hole clipping 232 that posterior joint seat 21 coordinates by being evenly arranged in the buckle 242 of its inner face, it is ensured that button 24 can not be deviate from from posterior joint seat 21。On button 24 inner face, it is additionally provided with 4 latch being evenly arranged 241 simultaneously, posterior joint seat 21 is provided with the solution lockhole 231 of correspondence simultaneously, when pressing button 24, latch 241 or traverse solve lockhole 231 and are pressed in lock gear 13, thus driving lock gear 13 to overcome the elastic force of locking spring 14, change position。

Joint lid 30 and posterior joint seat 21 removably connect fixing, position limiting structure by the hole, location 32 on joint lid 30 with evagination, i.e. non-circular shape annular boss 23, cooperation, thus reach the forward foot in a step 10, the rear foot 20 in relative rotation time, joint lid 30 is fixed with posterior joint seat 21, and relative to the purpose that front socket joint 11 rotates。Joint lid 30 is provided with buckle 33, the posterior joint seat 21 hole clipping being connected with correspondence outside positive stop lug boss。

Annular boss 23 is 1 distribution around the shaft, and posterior joint seat 21 is provided with the axis hole corresponding with rotating shaft 1 position, is arranged with for the button 24 for unlocking the forward foot in a step 10 and the rear foot 20 in annular boss 23。In order to ensure the intensity of joint lid 30, joint covers and is provided with strengthening rib strip 31。Strengthening rib strip 31 have employed the form that lid both sides, joint size is drawn in, and the advantage of this form is in that to play dust-proof effect, it is prevented that foreign body enters intra articular, affects joint running, improves service life。

In use procedure:

When needs rotate the forward foot in a step 10; during pressing button 24; latch 241 is pressed in lock gear 13 through solving lockhole 231; thus driving lock gear 13 to overcome the elastic force of locking spring 14; changing position, the circumference between front socket joint 11 and posterior joint seat 21 limits and releases, it is possible to freely rotatable; meanwhile, will not produce to be likely to the gap of tong under the protection of joint lid。

The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations。All within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model。

Claims (6)

1. a baby dining chair, including the forward foot in a step being rotatably assorted and the rear foot, it is characterized in that, the top of the described forward foot in a step and the rear foot is respectively fixed with forward and backward socket joint, it is connected with each other by rotating shaft between two joint seat, described baby dining chair is additionally provided with the joint lid removably connected with one of them socket joint, and the junction envelope of two socket joint is in this joint lid。

2. baby dining chair as claimed in claim 1, it is characterised in that described joint lid is inverted U-shaped, is located at the junction of two socket joint。

3. baby dining chair as claimed in claim 2, it is characterised in that the side of the dining chair dorsad of described posterior joint seat is provided with the position limiting structure of evagination, and described joint covers and is provided with the hole, location being set on position limiting structure。

4. baby dining chair as claimed in claim 3, it is characterised in that described position limiting structure is annular boss, and the periphery of annular boss is non-circular shape。

5. baby dining chair as claimed in claim 4, it is characterised in that described annular boss is distributed around described rotating shaft, and posterior joint seat is provided with the axis hole corresponding with rotating shaft position, is arranged with the button for unlocking the forward foot in a step and the rear foot in annular boss。

6. baby dining chair as claimed in claim 5, it is characterised in that described joint covers and is provided with strengthening rib strip。