CN104757802A

CN104757802A - Foldable seat

Info

Publication number: CN104757802A
Application number: CN201510157861.5A
Authority: CN
Inventors: 张卫宏
Original assignee: ZHEJIANG ZHONGYI FURNTURE CO Ltd
Current assignee: ZHEJIANG ZHONGYI FURNTURE CO Ltd
Priority date: 2015-04-03
Filing date: 2015-04-03
Publication date: 2015-07-08

Abstract

The invention relates to a foldable seat, which comprises a front leg, two rear legs and a seat plate. The foldable seat is characterized in that the front leg is of a bilateral symmetry structure; a seat surface is arranged on the upper part of the front leg; a beam a is arranged on the lower part of the front leg; the two rear legs form an H-shaped symmetry structure through a beam b; the top parts of the rear legs are rotationally connected with the left side and the right side of the front leg through round rotation mechanisms, respectively; the front end of the seat plate is clamped on the beam a; and the rear end of the seat plate is fixedly arranged on the beam b. According to the foldable seat, the front leg and the rear legs are connected with each other through the round rotation mechanisms; the rear end of the seat plate is fixedly connected with the rear legs; and the front end of the seat plate is clamped on the beam of the front leg, so that the process of folding the seat from a shape like a Chinese character 'ru' to a shape like a Chinese character 'ren' is ingeniously realized; through combined design of the front leg, the rear legs and the seat plate, the stability of the seat is increased; the mold molding process is simplified; the seat is advanced, exaggerated, sharp, graceful and elegant; the line is precise; man-machine data are grasped; and the foldable seat has the advantages of being simple in structure, tight in stacking and convenient to store, being safe and practical, and the like.

Description

A kind of Collapsible seat

Technical field:

The present invention relates to a kind of seat, relate to a kind of Collapsible seat in particular.

Background technology:

No matter be a living furniture or office furniture, in order to improve its practicality, comfortableness and convenience, more and more higher in its requirement functionally, require to manufacture simply, folding minimizing takes up room, mostly existing chair is that volume is large, inconvenience is gone out to carry and is taken up room large, not easily contained, current foldable chair, need during expansion manually to carry out installation latch or limiting component, operation is inconvenient and mould molding is complicated, use and easily rock, steadiness is poor, superposition placement cannot be carried out by multiple chair time folding, it takes up room still larger, and good looking appearance shortcoming, the demand of the modern life can not be met.

Summary of the invention:

The object of the invention is for the deficiencies in the prior art part, a kind of Collapsible seat is provided, seat is achieved cleverly by " entering " folding process to " people " by circular rotatable mechanism, solve this type of chair and store difficult, that carrying is difficult problem, structure is simple, and good stability is safe and practical, closely stacking, sit sense and appearance all good.

Technology solution of the present invention is as follows:

A kind of Collapsible seat, comprises foreleg, two back legs and seat board, it is characterized in that: described foreleg is bilateral symmetry, and its top is provided with seat, and bottom is provided with crossbeam a; Form H type symmetrical structure by crossbeam b between described two back legs, back leg top is rotationally connected respectively by the right and left of circular rotatable mechanism and foreleg; Described seat board front end is arranged on crossbeam a, and seat board rear end is fixed on crossbeam b.

As improvement, described circular rotatable mechanism comprises the round platform be fixed on foreleg, be fixed on the round hole part at back leg top, turning cylinder, stifle, first screw and the second screw, the symmetrical sliding tray offering two arcs on round platform, an embedded nut a is provided with in the middle of round platform, round hole part is arranged with two the embedded nut bs corresponding with described sliding tray, a circular hole is offered in the middle of round hole part, turning cylinder is through described circular hole, first screw is fixed on embedded nut a through turning cylinder, embedded nut b is equipped with the second screw respectively, the projection of the second screw slides respectively in corresponding sliding tray, stifle fits snugly in the outermost of round hole part.

As improvement, described round hole part is also provided with cosmetic sheet.

As improvement, the bottom front place of described seat board is provided with two reinforcements, and the reinforcement being positioned at inner side is provided with buckle, crossbeam a is convexly equipped with the step matched with described buckle.

As improvement, the bottom rear end of described seat board is fixed with 4 embedded nut c, extends a gripper shoe in the middle part of the front side edge of crossbeam b, gripper shoe is fixedly connected with seat board by the 3rd screw.

As improvement, described gripper shoe bottom symmetrical offers two grooves, is provided with the through hole corresponding with described embedded nut c in two grooves, and the 3rd screw is through being fixed on corresponding embedded nut c.

Beneficial effect of the present invention is:

Foreleg of the present invention is connected by circular rotatable mechanism with back leg, seat board rear end is fixedly connected with back leg, seat board front end is fastened on foreleg crossbeam, achieve seat cleverly by " entering " folding process to " people " font, foreleg, back leg and seat board three Combination Design, add the stability of chair, simplify mould-forming process, the exaggeration of seat moulding fashion, sharp air and do not lose gracefulness, lines are investigated, and hold people's machine data, improve sense of worth and the attraction of seat, there is structure simple, safe and practical, closely stacking, be convenient to the advantages such as storage.

Accompanying drawing illustrates:

Below in conjunction with accompanying drawing, the present invention is described further:

Fig. 1 is detonation configuration schematic diagram of the present invention;

Fig. 2 is the side structure schematic diagram of deployed condition of the present invention;

Fig. 3 is the sectional view in A-A direction in Fig. 2;

Fig. 4 is the structural representation of foreleg of the present invention;

Fig. 5 is the structural representation of back leg of the present invention;

Fig. 6 is the upward view of deployed condition of the present invention;

Fig. 7 is the sectional view in B-B direction in Fig. 4;

Fig. 8 is the sectional view in C-C direction in Fig. 4;

Fig. 9 is the structural representation of seat board of the present invention;

Figure 10 is that the present invention is by the using state schematic diagram being deployed into gathering and multiple superposition.

Detailed description of the invention:

The following stated is only preferred embodiment of the present invention, not limits scope of the present invention.

Embodiment

As depicted in figs. 1 and 2, a kind of Collapsible seat, comprise foreleg 1, two back legs 2 and seat board 3, described foreleg 1 is bilateral symmetry, and its top is provided with seat 11, and bottom is provided with crossbeam a12, and seat backrest 11 is provided with some fabrication holes, H type symmetrical structure is formed by crossbeam b4 between described two back legs 2, back leg 2 top is rotationally connected respectively by circular rotatable mechanism 5 and the right and left of foreleg 1, and circular rotatable mechanism 5 is arranged between seat 11 and crossbeam a12, as shown in Figures 3 to 5, this circular rotatable mechanism 5 comprises the round platform 13 be fixed on foreleg 1, be fixed on the round hole part 21 at back leg 2 top, turning cylinder 51, stifle 52, first screw 53 and the second screw 54, the symmetrical sliding tray 131 offering two arcs on round platform 13, an embedded nut a132 is provided with in the middle of round platform 13, round hole part 21 is arranged with two the embedded nut b211s corresponding with described sliding tray 131, a circular hole 212 is offered in the middle of round hole part 21, wherein, turning cylinder 51 is through the circular hole 212 in the middle of round hole part 21, first screw 53 is fixed on embedded nut a132 through turning cylinder 51, turning cylinder 51 is made to push down foreleg 1 and back leg 2, prevent back leg 2 from deviating from or rocking, simultaneously, when regulating the degree of tightness of the first screw 53, the size of power when adjustable back leg 2 rotates, secondly, two embedded nut b211 are equipped with respectively the second screw 54, the projection of the second screw 54 can slide respectively in corresponding sliding tray 131, stifle 52 fits snugly in the outermost of round hole part 21, in order to increase the attractive in appearance of chair, round hole part 21 is also provided with cosmetic sheet 55, its be placed in stifle 52 medial surface and by stifle 52 compression fit on round hole part 21.

As shown in Figure 6 to 8, the bottom rear end of described seat board 3 is fixed with 4 embedded nut c31, a gripper shoe 41 is extended in the middle part of the front side edge of crossbeam b4, gripper shoe 41 bottom symmetrical offers two grooves 411, the through hole 412 corresponding with described embedded nut c31 is provided with in two grooves 411, being equipped with the 3rd screw the 6, three screw 6 in each through hole 412 is fixed on corresponding embedded nut c31, strengthens intensity and the stability of seat board 3 and back leg 2.

As shown in Figure 9, easily depart from for preventing seat seat board 3 and crossbeam a12 in movement or use procedure, two reinforcements 32 are provided with at the bottom front place of described seat board 3, the reinforcement 32 being positioned at inner side is provided with buckle 321, crossbeam a12 is convexly equipped with the step 121 matched with described buckle 321, when seat is in deployed condition, the buckle 321 on seat board 3 is stuck on the step 121 on crossbeam a12.

In the present embodiment, foreleg 1 is " A " type, and two back legs 2 are in " H " type, and seat board 3 is " one " font, and three's combination adds the stability of chair, simplifies mould-forming process.

Operating procedure:

Assumed initial state is deployed condition, and with reference to shown in Figure 10, seat entirety is in " entering " font, seat board 3 front end is upwards pulled, and back leg 2 and seat board 3 are had mercy on, and circular rotatable mechanism 5 rotates, and a straight pull on earth, now, back leg 2 lower end has been arrived before foreleg 1, and seat shape achieves by " entering " conversion to " people ", then holded up by seat, 4 pin are placed on the ground, and operation completes, if any many chair, chair can be drawn in and superpose placement, closely stacking, occupy little space.

Claims

1. a Collapsible seat, comprise foreleg (1), two back legs (2) and seat board (3), it is characterized in that: described foreleg (1) is bilateral symmetry, its top is provided with seat (11), and bottom is provided with crossbeam a (12); Form H type symmetrical structure by crossbeam b (4) between described two back legs (2), back leg (2) top is rotationally connected respectively by circular rotatable mechanism (5) and the right and left of foreleg (1); Described seat board (3) front end is arranged on crossbeam a (12), and seat board (3) rear end is fixed on crossbeam b (4).

2. a kind of Collapsible seat as claimed in claim 1, it is characterized in that: described circular rotatable mechanism (5) comprises the round platform (13) be fixed on foreleg (1), be fixed on the round hole part (21) at back leg (2) top, turning cylinder (51), stifle (52), first screw (53) and the second screw (54), the upper symmetry of round platform (13) offers the sliding tray (131) of two arcs, an embedded nut a (132) is provided with in the middle of round platform (13), round hole part (21) is arranged with two the embedded nut bs (211) corresponding with described sliding tray (131), a circular hole (212) is offered in the middle of round hole part (21), turning cylinder (51) is through described circular hole (212), first screw (53) is fixed on embedded nut a (132) through turning cylinder (51), embedded nut b (211) is equipped with respectively the second screw (54), the projection of the second screw (54) can slide respectively in corresponding sliding tray (131), stifle (52) fits snugly in the outermost of round hole part (21).

3. a kind of Collapsible seat as claimed in claim 2, is characterized in that: described round hole part (21) is also provided with cosmetic sheet (55).

4. a kind of Collapsible seat as claimed in claim 1, it is characterized in that: the bottom front place of described seat board (3) is provided with two reinforcements (32), the reinforcement (32) being positioned at inner side is provided with buckle (321), crossbeam a (12) is convexly equipped with the step matched with described buckle (321).

5. a kind of Collapsible seat as claimed in claim 1, it is characterized in that: the bottom rear end of described seat board (3) is fixed with 4 embedded nut c (31), extend a gripper shoe (41) in the middle part of the front side edge of crossbeam b (4), gripper shoe (41) is fixedly connected with seat board (3) by the 3rd screw (6).

6. a kind of Collapsible seat as claimed in claim 5, it is characterized in that: described gripper shoe (41) bottom symmetrical offers two grooves (411), be provided with the through hole (412) corresponding with described embedded nut c (31) in two grooves (411), the 3rd screw (6) is through being fixed on corresponding embedded nut c (31).