CN200959964Y

CN200959964Y - Fold-down chair

Info

Publication number: CN200959964Y
Application number: CN 200620137172
Authority: CN
Inventors: 曾春荣
Original assignee: Xinye Enterprise Co Ltd
Current assignee: Xinye Enterprise Co Ltd
Priority date: 2006-09-29
Filing date: 2006-09-29
Publication date: 2007-10-17
Anticipated expiration: 2016-09-29

Abstract

The utility model relates to a jack chair, which can convert an unfolding state to a folding state. The model comprises a cushion, a back rest pivotally installed on the backside of the cushion, two arms which are connected to the right and left sides of the back rest, a front foot rest, a back foot rest, and a latch device. The latch device comprises a rotational buckle which is mounted in the back foot rest and has a gauging, and a salient locked lump which is mounted outward near the rotational buckle. The rotational buckle pivots from the locked position where the gauging and the locked lump can be lock together to the position where the gauging and the locked lump can be separated. Relying on the locking of the gauging and the locked lump, the jack chair can be fixed to the unfolding state rather than arbitrary collapse, so as to be safely ridden by users. The latch device is easy to be used, has simple structure, and is different from the past design of the bayonet lock permanent position, so can provide more choices for the consumers.

Description

Fold-down seat

Technical field

The utility model relates to a kind of fold-down seat, particularly relate to a kind of can be a deployed condition of taking for the user, and the fold-down seat of changing between less collapse state of volume with convenient collection.

Background technology

Consult Fig. 1,2,3, be existing a kind of fold-down seat that fixes locating structure that has, comprise: cushion 11, one be articulated in these cushion 11 rears lean against 12, two support the leftist side the handrail 13 (only illustrating among the figure) of right septum, pivotly with this cushion 11 and handrail 13 link one before foot rest 14 and a rear leg 15, one be installed in this and lean against 12 and the pin joint seat 16 of 15 of rear legs, and clip seat 17 that is set on this rear leg 15.

This pin joint seat 16 comprises that two intervals are coated on the sidewall 161 in these rear leg 15 outsides, and a bridge joint wall 162 that connects described sidewall 161 tops, and above-mentioned each sidewall 161 all has an outwards outstanding locating piece 163.

This clip seat 17 comprises one around the main part 171 that coats this rear leg 15, and two protuberances of giving prominence to towards this pin joint seat 16 from this root edge compartment of terrain, main part 171 both sides 172 (only illustrating among the figure), be concaved with opening locating slot 173 forward on each protuberance 172.

When this fold-down seat was in a deployed condition as Fig. 1, the locating piece 163 of this pin joint seat 16 was to be fastened in the locating slot 173 of clip seat 17, engages with locating slot 173 by locating piece 163, makes fold-down seat be fixed on this deployed condition; When desire is collected this fold-down seat, if with this clip seat 17 along rear leg 15 slippage upward, thereby remove the snap-fit relationship of this locating slot 173 and locating piece 163, just can fold this fold-down seat.

Though the fixing locating structure of this fold-down seat can be positioned at fold-down seat this deployed condition, make fold-down seat can be because not being subjected to external force improper folding, take for user's safety, but because fold-down seat is of a great variety, so the matching design of above-mentioned clip seat 17 and pin joint seat 16 differs and is useful in surely on the fold-down seat of other kinds, therefore this case creator further improves and produces the fold-down seat that another kind can be located, and more selects to offer the consumer.

The utility model content

The fold-down seat that provides another kind of locating structure simple, easy to use is provided the purpose of this utility model.

The utility model fold-down seat, comprise: cushion, one are assembled in pivotly that preceding foot rest that handrail, one that the leaning against of this cushion rear side, two be attached at this left and right sides that leans against pivotly link with this cushion and handrail pivotly, one are positioned at this preceding foot rest rear and pivotly with described handrail and lean against the rear leg of binding, and a bayonet unit.

This bayonet unit comprises a rotation buckle that is arranged on this rear leg, and this binding block that rotates buckle and outwards give prominence to setting of vicinity.Described rotation buckle is provided with a catching groove that can fasten with this binding block, and this rotation buckle this rear leg is a closed position that catching groove is engaged with binding block relatively, and one make between the non-closed position of catching groove away from binding block and pivot.

The beneficial effects of the utility model are: fasten by this catching groove and this binding block, this fold-down seat can be positioned upon deployment, take safely for the user, and easy to use, the simple structure of this bayonet unit, the design that the mode of its snaps into position is different from the past offers the consumer whereby and more selects.

Description of drawings

Fig. 1 is an a kind of side view of existing fold-down seat, shows that this fold-down seat is in a deployed condition;

Fig. 2 is the partial perspective view of this existing fold-down seat, shows a clip seat of this fold-down seat and the syntagmatic of a pin joint seat;

Fig. 3 is this existing fold-down seat one side view, shows that this fold-down seat is in a collapse state;

Fig. 4 is a stereogram of a most preferred embodiment of the utility model fold-down seat, shows that simultaneously this fold-down seat is in a deployed condition;

Fig. 5 is the partial side view of Fig. 4, shows that mainly one of this fold-down seat rotates buckle and is positioned at a closed position;

Fig. 6 is a partial perspective view of this most preferred embodiment, shows that this rotation buckle is positioned at a non-closed position;

Fig. 7 is a side view, shows that this most preferred embodiment is in a collapse state.

The specific embodiment

Below in conjunction with accompanying drawing and an embodiment the utility model is elaborated:

Consult Fig. 4,5,6, the most preferred embodiment of the utility model fold-down seat can be changed between a deployed condition and a collapse state, below be in this deployed condition with this fold-down seat and describe, described fold-down seat comprises: cushion 2, one lean against the preceding foot rest of 3, two

handrails

4,5, rear leg 6, two articulated parts 7 (only illustrating among the figure), and a bayonet unit 8.

This cushion 2 is horizontally disposed with, and this leans against 3 and pivotally links with this cushion 2, and this bottom that leans against 3 the left and right sides articulates by the rear end of a slice bonding pad 31 with cushion 2 respectively.Described handrail 4 pivotally is connected this and leans against 3 the left and right sides, and the rear end of each handrail 4 leans against 3 bindings by one first pivot 91 and this.

Should before foot rest 5 link with cushion 2 and handrail 4 pivotly, and comprise that compartment of terrain, two left and right sides tiltedly stretches support forward and stand in ground antero-lateral rod 51, and level is connected the preceding bottom bar 52 at place, antero-lateral rod 51 contiguous bottoms.Each antero-lateral rod 51 links by one second pivot 92 and this cushion 2, and the top of antero-lateral rod 51 is to link by one the 3rd pivot 93 and this handrail 4.

This rear leg 6 is positioned at these preceding foot rest 5 rears and pivotly with handrail 4 and lean against 3 and link, and comprises compartment of terrain, two left and right sides to stretch to retreading and support and stand in ground postero lateral arm 61, and level is connected the back bottom bar 62 at place, postero lateral arm 61 contiguous bottoms.The top of each postero lateral arm 61 links by one the 4th pivot 94 and handrail 4, and in addition, postero lateral arm 61 also leans against 3 by the Wushu axle 95 of a bonding pad 31 that passes this homonymy with this and links.

Described articulated part 7 is separately positioned on the postero lateral arm 61, and each articulated part 7 all is the U font, and comprises two sidewalls 71 that are located at interval at postero lateral arm 61 left and right sides, and a bridge joint wall 72 that connects an end of described sidewall 71.Described sidewall 71 all has first articulated section 711 of borrowing one the 6th pivot 96 to link this postero lateral arm 61, and one with first articulated section 711 oppositely and be connected second articulated section 712 of this bridge joint wall 72, and this second articulated section 72 is passed for above-mentioned Wushu axle 95, and this leans against 3 to make articulated part 7 bindings whereby.

This bayonet unit 8 comprises a rotation buckle 81 that is arranged on one of them of described postero lateral arm 61, and this rotation buckle 81 of vicinity and the outwards outstanding binding block 82 that is arranged on second articulated section 712.This rotation buckle 81 this rear leg 6 relatively pivots between a closed position and a non-closed position, and have one and borrow one the 7th pivot 97 to be attached at axle pivot portion 811 on the postero lateral arm 61, and one with this pivot portion 811 oppositely and be provided with the buckling parts 812 of a catching groove 813, this buckling parts 812 is rotating shaft and can pivoting with respect to this postero lateral arm 61 with the 7th pivot 97.Above-mentioned binding block 82 have one with this articulated part 7 head 821 at interval, and one between this head 821 and this articulated part 7 and the neck 822 that radially dwindles, this neck 822 can with these catching groove 813 fastenings.

When the deployed condition of this fold-down seat position at Fig. 4, because affecting mutually of each member, distance between described forward and backward

foot rest

5,6 bottoms is maximum at this moment, and this cushion 2 and this to lean against 3 be roughly to maintain the angles greater than 90 degree, so be available for users to cosily take, and this moment, this rotation buckle 81 was positioned at closed position, and its catching groove 813 fastens mutually with the neck 822 of binding block 82, so this fold-down seat is positioned in expanded position and can rock arbitrarily.

See also Fig. 5,6,7, when folding this fold-down seat, the buckling parts 812 that will rotate buckle 81 earlier is towards moving to this non-closed position away from the direction plate of this binding block 82, to remove the fastening relation of catching groove 813 and neck 822, as long as then will lean against 3 with cushion 2 application of force in opposite directions, just this being leaned against 3 pulls forward, and cooperate simultaneously this cushion 2 application of force pull-up upward, before just can dwindling, rear leg 5, distance between 6, and all members of this fold-down seat can continue to fold the collapse state to the volume minimum, this moment fold-down seat the little and convenient collection of volume.

By above explanation as can be known, fasten the location by this catching groove 813 that rotates buckle 81 mutually with this binding block 82, make this fold-down seat when deployed condition, can not cause improperly and fold because being subjected to external force, therefore the user can take to safety and comfort, and only need pull buckling parts 812 when using, this rotation buckle 8 is changed between this closed position and non-closed position, this kind device is not only easy to use, and the fixing location design that occupation mode and structure are different from the past offers the consumer whereby and more selects.

Claims

1. fold-down seat, comprise: cushion, one be assembled in pivotly preceding foot rest that handrail, one that the leaning against of described cushion rear side, two be attached at the described left and right sides that leans against pivotly link with described cushion and handrail pivotly, one be positioned at described before foot rest rear and pivotly with described handrail and lean against the rear leg of binding, and a bayonet unit, it is characterized in that:

Described bayonet unit comprises a rotation buckle that is attached on the described rear leg and is provided with a catching groove, and a described rotation buckle of vicinity and binding block outwards outstanding and that can engage with described catching groove.

2. fold-down seat as claimed in claim 1 is characterized in that: described rear leg comprises that the support of compartment of terrain, two left and right sides stands in ground postero lateral arm, and described rotation buckle is arranged on one of them of described postero lateral arm.

3. fold-down seat as claimed in claim 2, it is characterized in that: described rotation buckle has an axle pivot portion that is attached on the described postero lateral arm, and one with described axle pivot portion oppositely and and be provided with the buckling parts of described catching groove, and this buckling parts can pivot by the central axis by this pivot portion.

4. fold-down seat as claimed in claim 3, it is characterized in that: described fold-down seat also comprise two with rear leg with lean against the articulated part that links together, each articulated part all comprises two sidewalls that are disposed on the postero lateral arm left and right sides of homonymy, and bridge joint wall that connects an end of described sidewall, described sidewall all has first articulated section that links described postero lateral arm, and one with first articulated section oppositely and be connected second articulated section of described bridge joint wall, described binding block is arranged on and rotates on second articulated section of articulated part of buckle homonymy.

5. fold-down seat as claimed in claim 4 is characterized in that: described binding block have one with described articulated part head at interval, and one between described head and described articulated part and radially dwindle and for the neck of described catching groove fastening.