CN101756559B

CN101756559B - Baby walker

Info

Publication number: CN101756559B
Application number: CN2010100037953A
Authority: CN
Inventors: 刘伟; 郭剑钊
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2010-01-11
Filing date: 2010-01-11
Publication date: 2012-04-11
Anticipated expiration: 2030-01-11
Also published as: CN101756559A

Abstract

The invention relates to a baby walker which comprises a tray rack positioned at the upper part, a chassis rack arranged at the lower part, and a supporting framework connected between the tray rack and the chassis rack, wherein the supporting framework comprises a supporting connecting rack and a linking rod; the lower part of the supporting connecting rack is rotatably connected with the chassis rack by a first rotating shaft; the lower part of the linking rod is rotatably connected with the chassis rack by a second rotating shaft; the first and the second rotating shafts are deviated from each other; the upper part of the linking rod is rotatably connected with the tray rack; a locking piece used for locking the supporting connecting rack and the tray rack is arranged between the upper part of the supporting connecting rack and the tray rack; and a four-bar linkage mechanism is formed by the supporting connecting rack, the linking rod, the tray rack and the chassis rack, and the locking piece is used for locking the supporting connecting rack and the tray rack, so that a stable structure can be formed when the baby walker is unfolded. The detachable four-bar linkage mechanism can be easily folded, and has more compact volume after being folded compared with the original structure.

Description

Go-kart

Technical field

The present invention relates to a kind of baby walker.

Background technology

Baby walker is a kind of back work that supplies child's study to walk, and existing baby walker has a variety of structures, can be divided into two kinds substantially: folding and folding not.Most of baby walkers are not collapsible, and it mainly is made up of the last support frame that coils seat, chassis and be fixedly connected between dish seat and the chassis, in the bottom on chassis roller is installed; When the child of go-kart walks; Go-kart utilizes roller to move, and the child is during without go-kart, and the adult then needs the walking of hand push go-kart; Obviously, this to use for reality be inadequately easily.Some folding go-kart also appear on the market; Usually its structure is formed and is mainly: supply the baby hand steered go up dish seat, bottom have roller the chassis, be connected " X " shape bracing frame between dish and the chassis; " X " shape bracing frame intersects by two and is configured to what infall was rotationally connected, and the two ends up and down of these two supports all are connected with the chassis with last dish seat respectively, at least four junctions of formation between " X " shape bracing frame and last dish and the chassis; In these four junctions, needing two places can take apart; Could whole go-kart is folding, in knock-down junction locking mechanism to be installed, the structure more complicated; And the folding operation of this mode bothers very much, and the operation that go-kart launches is also pretty troublesome.

Summary of the invention

The object of the invention will provide a kind of go-kart exactly, and it is simple in structure, and operation ratio folding and that launch is easier to.

Technical scheme of the present invention provides a kind of go-kart; Comprise superposed tray rack, at the sole of bottom, be connected in the support frame between tray rack and the sole; This support frame comprises support and connection frame and trace; The bottom of support and connection frame rotates through first rotating shaft with sole and is connected, and the bottom of trace rotates through second rotating shaft with sole and is connected, and first rotating shaft and second rotating shaft depart from each other; The top of trace rotates with tray rack and is connected, and between the top of support and connection frame and tray rack, is provided with the locking piece that is used for both lockings.Support and connection frame, trace, tray rack and sole constitute quadric chain; Trace is connected with sole through two rotating shafts that depart from respectively with the support and connection frame; And one of them rotates trace and support and connection frame with sole and is connected; Another releaseably is connected through locking piece with sole, and this quadric chain structure upon deployment is firm.When needing folding go-kart, as long as make the locking piece release, to untie support and connection frame and tray rack, quadric chain is promptly untied, just sole, trace, support and connection frame and tray rack can relatively rotate, to accomplish folding operation apace.And when launching go-kart, rotate each rod member to make it to open relatively, be complete operation with locking piece locking tray rack and support and connection frame at last.

Further, locking piece can be installed on the tray rack, has lock pin in this locking piece, has jack on the support and connection frame, and lock pin is inserted in the jack separatably.Cooperation through lock pin and jack locks support and connection frame and tray rack each other, thereby makes tray rack, support and connection frame, trace and sole constitute stable four-bar linkage structure, need not to be provided with between the miscellaneous part locking mechanism again.And this lock mode also is easy to release, and lock pin is extracted from jack, just can the support and connection frame be discharged, thereby just can relatively rotate four connecting rods with folding go-kart.

In a kind of embodiment of optimization; The support and connection frame can be set to plate shape structure, and can make trace be positioned at the inboard of support and connection frame, like this; As long as choose the tie point of trace and tray rack and sole; Just can trace be ensconced the inboard of the support and connection frame of plate shape, make that the profile of go-kart is clean and tidy, the building block that can observe directly is smaller.

More optimally, second rotating shaft can be passed the support and connection frame and is connected with sole.Can on the support and connection frame, reserve certain space and pass, and allow the relative support and connection frame of second rotating shaft to do certain skew, like this, the support and connection frame is covered trace in the outside of trace for second rotating shaft.

In the preferred specific embodiments of another kind; First rotating shaft can be parallel to each other with the axial line of second rotating shaft; Carry out around two axis that parallel when support and connection frame and trace are rotated, thereby the volume after being convenient to make go-kart folding can be compacter.

The present invention compared with prior art; Has advantage: because support and connection frame, trace, tray rack and sole constitute quadric chain; And between support and connection frame and tray rack, with locking piece both are locked, make to form stable structure when go-kart launches, need not between other building blocks, to establish in addition Lock Part; And; This knock-down quadric chain is folding also than being easier to, and with respect to the structure of utilizing " X " shape bracing frame connection tray rack and sole in the past, the volume after this quadric chain is folding is also compacter.

Description of drawings

Accompanying drawing 1 is the main body of vehicle frame stereogram of a kind of go-kart of enforcement according to the present invention;

Accompanying drawing 2 is the side-looking structure chart of a kind of go-kart of enforcement according to the present invention;

Accompanying drawing 3 is the side-looking structure chart of go-kart shown in Figure 2 when support and connection frame and tray rack disengagement;

Accompanying drawing 4 is the side-looking structure chart after go-kart shown in Figure 2 folds;

Wherein: 1, tray rack; 2, locking piece; 21, lock pin; 3, support and connection frame; 4, trace; 5, sole; 6, roller.

The specific embodiment

Below in conjunction with accompanying drawing specific embodiment of the present invention is set forth in detail.

Go-kart shown in Fig. 1-4, its vehicle body main body is made up of tray rack 1, support frame and sole 5, and tray rack 1 is positioned at body top section, and sole 5 is positioned at body bottom section, generally roller 6 will be installed in the bottom of sole 5, shown in Fig. 2-4.When the child walked on ground, go-kart utilized roller 6 to move on ground.

Support frame is used for connecting and support base plate rail 5 and tray rack 1; In the embodiment shown in each figure; Support frame mainly is made up of support and connection frame 3 and trace 4; Support and connection frame 3 is connected with sole 5 with tray rack 1 respectively with trace 4 boths, does not then have direct annexation between support and connection frame 3 and the trace 4, thereby makes support and connection frame 3, trace 4, tray rack 1 and sole 5 constitute quadric chain.

Embodiment shown in Fig. 1-4; The bottom of support and connection frame 3 rotates through first rotating shaft 31 with sole 5 and is connected; The bottom of trace 4 rotates through second rotating shaft 41 with sole 5 and is connected; First rotating shaft 31 and second rotating shaft 41 depart from each other, so that support and connection frame 3 does not overlap with the link position of sole 5 with trace 4; Certainly; Trace 4 should not overlap with the link position of tray rack 1 with support and connection frame 3 yet; In the embodiment shown in each figure; The top of trace 4 rotates with tray rack 1 and is connected, and then locks through a locking piece 2 between the top of support and connection frame 3 and the tray rack 1, promptly connects removably.

In the embodiment shown in Fig. 2-4, locking piece 2 is installed on the tray rack 1, has lock pin 21 in the locking piece 2; Have jack 32 on the support and connection frame 3; When lock pin 21 was inserted in the jack 32, locking piece 2 is with relative tray rack 1 locking in the top of support and connection frame 3, and was as shown in Figure 2; And when lock pin 21 broke away from jacks 32, locking piece 2 promptly broke away from support and connection frame 3, and support and connection this moment frame 3 sole 5 relatively rotates and folds to sole 5 around first rotating shaft 31; As shown in Figure 3; Because tray rack 1, trace 4 and sole 5 have constituted unsettled three-link mechanism, so can relatively rotate three connecting rods, make it to be superimposed together; That kind as shown in Figure 4, go-kart are just folding to finish.

Certainly; Locking piece 2 also can be installed on the support and connection frame 3; Or otherwise come lock support link 3 and tray rack; The description of epimere just describes to the embodiment shown in Fig. 2-4, and those skilled in the art can change according to own knowledge and the practical application request of being grasped voluntarily, but enumerate performance no longer one by one at this.

See shown in Fig. 1-2, when go-kart launches, viewed from the side, support and connection frame 3 can cover trace 4, makes car load seem that profile is cleaner and tidier, and building block is fewer.In illustrated embodiment, support and connection frame 3 is plate shape structure, and trace 4 is positioned at the inboard of support and connection frame 3, and the position that trace 4 is connected with tray rack 1, sole 5 is respectively all covered by the support and connection frame 3 of plate shape.Second rotating shaft 41 that is used to connect trace 4 and sole 5 can arrange to pass support and connection frame 3; That is: the correspondence position on support and connection frame 3 is offered the space of certain area and shape; Make second rotating shaft 41 pass this space and be connected with sole 5, this space will allow support and connection frame 3 to move within the specific limits relative to trace 4, and this to those skilled in the art; Belong to customary means, so do not do concrete the announcement in the accompanying drawings.

Sole 5 also can be provided with trace 4 ways of connecting like the tray rack 1 that reflects among Fig. 2 with the connected mode of trace 4; In the embodiment shown in Figure 2; The ledge of shape of ears is extended in the bottom of tray rack 1, is used to connect the top of trace 4, like this; Tray rack 1 can not interfered with support and connection frame 3 and being connected of trace 4 respectively each other, also is convenient to make support and connection frame 3 that trace 4 is buried in the inboard.

Among the embodiment shown in Fig. 1-4; The axial line of first rotating shaft 31 and second rotating shaft 41 is parallel to each other; So; The rotation of support and connection frame 3 and trace 4 relative soles 5 is carried out around the axis that is parallel to each other, thereby tray rack 1 can be superimposed as more to draw close with sole 5 when making go-kart folding, makes the more compact structure after go-kart folds.

More than combine diagram to be illustrated to specific embodiment of the present invention; But protection content of the present invention is not only limited to above embodiment, in affiliated technical field of the present invention, and the common knowledge of a GPRS; Just can in its technological main idea scope, carry out diversified change.

Claims

1. go-kart; Comprise superposed tray rack (1), be positioned at the bottom sole (5), be connected in the support frame between said tray rack (1) and the sole (5); It is characterized in that: said support frame comprises support and connection frame (3) and trace (4); The bottom of said support and connection frame (3) rotates through first rotating shaft (31) with sole (5) and is connected; The bottom of said trace (4) rotates through second rotating shaft (41) with sole (5) and is connected, and said first rotating shaft (31) departs from second rotating shaft (41) each other; The top of said trace (4) rotates with tray rack (1) and is connected, and between the top of said support and connection frame (3) and tray rack (1), is provided with the locking piece (2) that is used for both lockings.

2. go-kart according to claim 1; It is characterized in that: said locking piece (2) is installed on the tray rack (1); Have lock pin (21) in this locking piece (2), have jack (32) on the said support and connection frame (3), said lock pin (21) is inserted in the jack (32) separatably.

3. go-kart according to claim 1 is characterized in that: said support and connection frame (3) is a plate shape, and said trace (4) is positioned at the inboard of support and connection frame (3).

4. go-kart according to claim 3 is characterized in that: said second rotating shaft (41) is passed support and connection frame (3) and is connected with sole (5).

5. according to the described go-kart of one of claim 1-4, it is characterized in that: said first rotating shaft (31) is parallel to each other with the axial line of second rotating shaft (41).