CN204146681U - A kind of folding seat reducing packaging space - Google Patents

Abstract

A kind of folding seat reducing packaging space, comprise bench, the chair back, handrail and the headrest, described bench and the chair back rely on two skeletons be arranged in parallel to be connected and fixed, described skeleton comprises the bench portion for connecting bench, for changing the break-in portion of bench portion bearing of trend, make the extension of its vertically extending upper and the chair back portion for being connected the chair back for extending break-in portion; Described chair back portion is obliquely installed and forms knuckle with extension, described handrail one end to be fixedly connected in chair back portion and and vertical range between knuckle at 2 ~ 5cm, the other end is fixedly connected in bench portion; Described extension is arranged and is used for folding means superimposed to bench portion for chair back portion.This chair realizes the turnover flexible connection of the chair back, does not affect the support strength of parts simultaneously, reduces transport space greatly, also decrease the size of packing case simultaneously, reduce cost.

Description

A kind of folding seat reducing packaging space

Technical field

The utility model relates to furniture daily necessities, particularly folding seat.

Background technology

Some chair existing in order to comfortable and profile regard as well increasing, its packing box is also thereupon increasing, this not only adds production cost, also result in the waste of resource.So there are many folding seat in market, as a kind of folding seat of patent No. CN200810083658.8, can fold with a record book in accordion form, can easily move and can in folded state with the upper surface in seat portion for front side make its from immediately overall appearance degree improve.But this Folding chair complex structure, need multiple component combination to complete, die sinking cost is large.

For another example a kind of Foldable chair-back structure of application number CN201210420606.1, described folding part and the rear portion of chair back body are respectively equipped with the first relative magnetic patch of polarity, and are respectively equipped with the second relative magnetic patch of polarity with the docking location of chair back body in described folding part.Described first magnetic patch can make the folding part after folding be connected by magnetic automatic pick with chair back body; Described second magnetic patch can make the folding part of stretching be connected by magnetic automatic pick with chair back body, and the arc convex of folding part after connection can play the effect of pillow.This structure makes seat have to couch the function of having a rest, but its bonding strength may be not.

Utility model content

The purpose of this utility model solves the problems of the technologies described above, and provides a kind of chair of the collapsible package when carrying.

Technical solution of the present utility model is: a kind of folding seat reducing packaging space, comprise bench, the chair back, handrail and the headrest, described bench and the chair back rely on two skeletons be arranged in parallel to be connected and fixed, described skeleton comprises the bench portion for connecting bench, for changing the break-in portion of bench portion bearing of trend, make the extension of its vertically extending upper and the chair back portion for being connected the chair back for extending break-in portion; Described chair back portion is obliquely installed and forms knuckle with extension, described handrail one end to be fixedly connected in chair back portion and and vertical range between knuckle at 2 ~ 5cm, the other end is fixedly connected in bench portion; Described extension is arranged and is used for folding means superimposed to bench portion for chair back portion.

This folding seat, through perfect structural design, can guarantee the intensity of chair because of being connected of parts when in use; When dismounting, chair back portion can be folded in bench portion by folding means, just can reduce packaging space greatly, and due to chair back portion and bench portion superimposed, its upper and lower vertical direction can accept larger pressure, and be not afraid of carton and damaged by pressure, deposit so multiple packing case can also be stacked up and down, decrease parking space.

As preferably, described folding means comprise carrier and with upper carrier by the hinged lower carrier of central shaft, described upper carrier offers groove, described lower carrier is arranged the connecting plate be inserted in groove, described central shaft is through groove and connecting plate.Such design be overturn more flexible, and can the upset of any direction, also just reduce the installation dimension precision of handrail, reduce installation difficulty.

Preferred as another kind, described prolongation is truncated into pipe joint and lower pipe joint, described folding means comprises the tensile part be arranged at respectively in pipe joint and lower pipe joint, tensile part connecting hinge joint in upper pipe joint, tensile part connecting hinge joint chair in lower pipe joint, articulated joint and hinged seat are rotationally connected; When upper pipe joint and lower pipe joint close mutually, tensile part, articulated joint and hinged seat are all enclosed in extension, and when upper pipe joint and lower pipe joint are separated from each other, the connecting portion branch of articulated joint and hinged seat is exposed to outside extension, thus the chair back can be overturn.Would not folding means be seen from outside like this, ensure that the smoothness of outward appearance lines, improve aesthetic feeling.

As preferred further, described tensile part comprises fixed block, and through the axis of guide of fixed block, axis of guide one end connects the baffle plate for preventing the axis of guide from departing from fixed block, other end connecting hinge joint or hinged seat.When needs disassembled for transport, just upwards can pull up the chair back, under the transmission of power, articulated joint and hinged seat will produce mutual active force, make its being pulled out slowly.Etc. the position reaching maximum tension length, the baffle plate be connected on the axis of guide can be fixed block bumping post.

As further preferred, described fixed block is arranged the through-core hole be used for through the axis of guide, the cross-sectional area of described through-core hole is greater than the cross-sectional area of the axis of guide; The cross-sectional area of described baffle plate is less than the cross-sectional area of extension inwall.Namely leave space between the axis of guide and through-core hole, between the upper pipe joint at baffle plate and its place or the inwall of lower pipe joint, have space.Such one is to weaken friction between the two, and articulated joint or hinged seat are more easily drawn out; Two is make the air between fixed block and articulated joint or hinged seat discharge from this space or to suck, and eliminates and produces certain pressure because of the change of air.

As preferably, the transverse slat being used for the fixing headrest is set between the top of two described skeletons, described transverse slat is rotationally connected by turning cylinder and skeleton, and described transverse slat also arranges spring projection on the side of skeleton, and on described skeleton, the position of corresponding spring projection arranges draw-in groove.The length of the general chair back is greater than bench, adds the headrest, and that is certain to cause the lateral length of packing case to increase, so the transverse slat that this chair designs connects the headrest also can overturn, that just when packing, by the headrest to the upset of bench direction, can reduce horizontal length.

As preferably, described upper carrier and lower carrier ensure that it is consistent with the movement locus of the parts be connected separately.Namely to ensure on the same line stressed, prevent because Impact direction has skew, cause parts pressurized uneven and damaged.

As preferably, the described headrest is inserted in transverse slat by a rectangular support, and the two ends of described rectangular support arrange the curved portions departing from transverse slat for limiting rectangular support.

As preferably, the curved portions of described rectangular pedestal upper end arranges articulated section, described articulated section is included in open slot curved portions offered towards chair back break-through on one side, and by one end of jointed shaft articulation steering block in described open slot, the other end of steering block is fixedly connected with the headrest.Due to the design of open slot, steering block can only be overturn near the direction of bench.

As preferably, state chair back portion folding after, and the angle between bench portion is between 0 ° ~ 10 °.

As preferably, described folding means comprise be arranged on extension for by the chair back adapter that rotates of bench dorsad, the below being positioned at bench that the maximum folded angle of described adapter can make the chair back vertical.

The utility model beneficial effect is:

This chair is formed by whole piece skeletal support, and the multiple position of frame design coordinates the connection of the parts such as corresponding bench, the chair back, realize the turnover flexible connection of the chair back, do not affect the support strength of parts simultaneously, reduce transport space greatly, also decrease the size of packing case simultaneously, reduce cost.

The headrest of this chair realizes turnover mode, solves the trouble that the headrest needs when transporting to dismantle, and also ensure that the headrest can not damage when transporting.

Accompanying drawing explanation

Fig. 1 is the utility model embodiment 1 perspective view;

Fig. 2 is the partial schematic diagram of embodiment 1 chair back;

Fig. 3 is the structure chart of embodiment 1 folding means;

Fig. 4 is the another kind of structural representation of embodiment 1 folding means;

Fig. 5 is the schematic diagram after embodiment 1 chair back folds;

Fig. 6 is the stereogram of the rectangular support of embodiment 1;

Fig. 7 is the side schematic view of the rectangular support of embodiment 1;

Fig. 8 is the utility model embodiment 2 structural representation;

Fig. 9 is the folding schematic diagram of embodiment 2 chair.

In figure: 1-skeleton, 11-bench portion, 12-break-in portion, 13-extension, 131-knuckle, the upper pipe joint of 132-, pipe joint under 133-, 14-chair back portion, 15-transverse slat, 151-turning cylinder, 152-spring is protruding, 16-draw-in groove, 2-bench, 3-handrail, 3-assists filler pipe, the 4-chair back, 5-buffer channel folding means, the upper carrier of 51-, 511-groove, carrier under 52-, 521-connecting plate, 53-central shaft, 54-tensile part, 541-baffle plate, the 542-axis of guide, 543-fixed block, 5431-through-core hole, 55-articulated joint, 56-hinged seat, 57-adapter, the hinged limit of 571-, the 6-headrest, the rectangular support of 61-, 611-curved portions, 62-articulated section, 621-steering block, 622-jointed shaft, 623-open slot, 7-foam block.

Detailed description of the invention

Below in conjunction with accompanying drawing, with embodiment, the utility model is described in further detail.

This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; those skilled in the art can make to the present embodiment the amendment not having creative contribution as required after reading this description, as long as but be all subject to the protection of Patent Law in right of the present utility model.

Embodiment 1, as shown in Figure 1, a kind of folding seat reducing packaging space, comprise bench 2, the chair back 4, handrail 3 and the headrest 6, described bench 2 and the chair back 4 rely on two skeletons be arranged in parallel 1 to be connected and fixed, described skeleton 1 comprises the bench portion 11 for connecting bench 2, for changing the break-in portion 12 of bench portion 11 bearing of trend, makes the extension 13 of its vertically extending upper and the chair back portion 14 for being connected the chair back 4 for extending break-in portion 12; Described chair back portion 14 is obliquely installed and forms knuckle 131 with extension 13, described handrail 3 one end to be fixedly connected in chair back portion 14 and and vertical range between knuckle 131 at 2 ~ 5cm, the other end is fixedly connected in bench portion 11; Described extension 13 is arranged and is used for folding means 5 superimposed to bench portion 11 for chair back portion 14.Because the chair back portion 14 of this chair is provided with folding means 5, upset before and after that chair back portion 14 is just free to.But owing to being afraid of the insufficient strength of folding means, the user when in use chair back can not well support, so a lot of chair is in order to the support strength of the chair back, the position that a support component fixes the chair back is set after the chair back usually.And this chair does not just need.It is overall that it carrys out framework chair by rational forced position.First, in order to increase the comfort level of user, so chair back portion 14 is obliquely installed, and the extension 13 1 of the vertical setting that lower end, chair back portion 14 connects is the intensity in order to improve chair back portion 14, and two is to arrange folding means 5.Folding means 5 is arranged on benefit here, and one is because height, and chair back portion 14 point upset centered by this position, to bench portion 11, just in time can ensure that both can be reasonable superimposed, reduce space between the two.Two be in fact this position because the reason of body curve, user be sitting in chair generally touches less than place, also just decrease the impact of external force to folding means in other directions.Handrail 3 is also through special design with the tie point in chair back portion 14 in addition, why must and knuckle 131 between vertical range at 2 ~ 5cm, this is because knuckle 131 position of this chair calculates with common normal person's height, just in time not with the critical point of human contact, upwards will contact, would not touch downwards.If the tie point of handrail 3 and the chair back is just in time at knuckle 131, that can lean against the top of knuckle 131 because of human body, and chair back portion 14 of bending.2 ~ 5cm so tie point moves up, handrail 3 just can play the pulling force effect of arriving very much.Although can be highly higher than normal handrail 3, do not affect the appearance yet.When transport, as long as after the lower handrail 3 of dismounting, the chair back 4 just can fold on bench 2 and pack, after described chair back portion 14 is folding, and the angle between bench portion 11 is between 0 ° ~ 10 °, is most preferably to be parallel to each other.

As shown in Figure 3, described folding means 5 comprise carrier 51 and with upper carrier 51 by the hinged lower carrier 52 of central shaft 53, described upper carrier 51 offers groove 511, described lower carrier 52 is arranged the connecting plate 521 be inserted in groove 511, described central shaft 53 is through groove 511 and connecting plate 521.And described upper carrier 51 and lower carrier 52 ensure that it is consistent with the movement locus of the parts be connected separately.Upper carrier 51 and lower carrier 52 can rotate by any direction, that is when installation handrail 3, just the position in adjusting back portion arbitrarily can facilitate handrail 3, avoid the phenomenon being caused assembling difficulty because dimensional accuracy is forbidden, greatly reduce the difficulty of assembling.Upper carrier 51 and lower carrier 52 are all provided with a Plug Division, just in time can be inserted in skeleton 1.Can not attaching parts be seen so from the outside, also not have the structures such as bolt punching, ensure that the attractive in appearance of product.

As shown in Figure 4, described extension 13 points is truncated into pipe joint 132 and lower pipe joint 133, described folding means 5 comprises the tensile part 54 be arranged at respectively in pipe joint 132 and lower pipe joint 133, tensile part 54 connecting hinge joint 55 in upper pipe joint 132, tensile part 54 connecting hinge joint chair 56 in lower pipe joint 133, articulated joint 55 and hinged seat 56 are rotationally connected; When upper pipe joint 132 closes mutually with lower pipe joint 133, tensile part 54, articulated joint 55 and hinged seat 56 are all enclosed in extension 13, when upper pipe joint 132 and lower pipe joint 133 are separated from each other, the connecting portion branch of articulated joint 55 and hinged seat 56 is exposed outside extension 13, thus the chair back 4 can be overturn.Described tensile part 54 comprises fixed block 543, and through the axis of guide 542 of fixed block 543, the axis of guide 542 one end connects the baffle plate 541 for preventing the axis of guide 542 from departing from fixed block 543, other end connecting hinge joint 55 or hinged seat 56.Described fixed block 543 is arranged the through-core hole 5431 be used for through the axis of guide 542, the cross-sectional area of described through-core hole 5431 is greater than the cross-sectional area of the axis of guide 542, and the cross-sectional area of described baffle plate 541 is less than the cross-sectional area of extension 13 inwall.While upwards being pulled out by the chair back 4, articulated joint 55 and hinged seat 56 can be out exposed gradually, encounter on fixed block 543 etc. moving to baffle plate 541, namely go up the maximum position that pipe joint 132 is separated with lower pipe joint 133, then just can rotate the chair back 4, make the chair back 4 overturn towards bench 2 and fit to together.

As shown in Figure 2, the transverse slat 15 being used for the fixing headrest 6 is set between the top of two described skeletons 1, described transverse slat 15 is rotationally connected by turning cylinder 151 and skeleton 1, described transverse slat 15 also arranges spring projection 152 on the side of skeleton 1, and on described skeleton 1, the position of corresponding spring projection 152 arranges draw-in groove 16.As long as transverse slat 15 just both can rotate and also can fix.When disassembled for transport, the headrest 6 is still fixed on chair, but its lateral length is beyond the length of bench 2, at this moment just can unclamp transverse slat 15, and transverse slat 15 is rotated, and also just drives the headrest 6 to tilt to bench 2.

But sometimes because of the reason of dimensions length, the headrest can not in vertical laminating bench 2, so as illustrated in figs. 5-7, the described headrest 6 is inserted in transverse slat 15 by a rectangular support 61, and the two ends of described rectangular support 61 arrange the curved portions 611 departing from transverse slat 15 for limiting rectangular support 61.In order to fix the upper-lower height of the headrest 6, rectangular support 61 can be adjustable connection with the connection of transverse slat 15.The curved portions 611 of described rectangular support 61 upper end arranges articulated section 62, described articulated section 62 is included in the open slot 623 curved portions 611 offered towards the chair back 4 break-through on one side, by one end of jointed shaft 622 articulation steering block 621 in described open slot 623, the other end of steering block 621 is fixedly connected with the headrest 6.Described steering block 621 is arranged to the radian the same with curved portions 611.So just can ensure that the headrest 6 is the ends fitting tightly bench 2 and the chair back 4, the effect of protection chair side can also be played, prevent from causing damage to the collision of chair during transport.

Embodiment 2; as shown in Figure 4; the folding mode of existing chair is all that the chair back 4 folds towards bench 2; this folding mode farthest can reduce space; but also having one is exactly that the position of folding means can protrude; be difficult to protection when packaging, the particularly protection of lateral, easily causes collision rift to be out of shape during transport.

As Figure 8-9, described folding means 5 comprise be arranged on extension 13 for by the chair back 4 adapter 57 that rotates of bench 2 dorsad, the below being positioned at bench 2 that the maximum folded angle of described adapter 57 can make the chair back 4 vertical.Described extension 13 is also point be truncated into pipe joint 132 and lower pipe joint 133, described adapter 57 is fixedly connected with pipe joint 132, two hinged limits 571 of adapter 57 are rotatably connected on lower pipe joint 133, pipe joint 132 so just can be made significantly to rotate around adapter 57, and the below being positioned at bench 2 making the chair back 4 vertical.This rotational structure changes conventional folding mode, and the security that folding seat is packed improves greatly, also effectively prevents bending, the distortion in adapter 57 and break-in portion 12.The chair back 4 is positioned at the below of bench 2; and because the reason of the anglec of rotation, can exceed in the horizontal outside adapter 57, that just can overlap a foam block 7 on adapter 57; and foam block 7 just has the chair back 4 to support below, that adapter 57 and break-in portion 12 just can obtain omnibearing protection.

The novel method for packing of folding seat, first the direction of the chair back 4 bench 2 dorsad rotates, rotate to the below that the chair back 4 is positioned at bench 2 always, then between the chair back 4 and chair pin, also have on adapter 57 and place a foam block 7 all respectively, described foam block 7 will with the ends contact of the chair back 4, then on bench 2, place a rectangular foam block 7, one end of rectangular foam block 7 contacts with the foam block 7 on adapter 57, and the other end arrives the end face of bench 2.

Claims (9)

1. one kind can be reduced the folding seat of packaging space, comprise bench (2), the chair back (4), handrail (3) and the headrest (6), it is characterized in that: described bench (2) and the chair back (4) rely on two skeletons be arranged in parallel (1) to be connected and fixed, described skeleton (1) comprises the bench portion (11) for connecting bench (2), for changing the break-in portion (12) of bench portion (11) bearing of trend, make the extension of its vertically extending upper (13) and the chair back portion (14) for being connected the chair back (4) for extending break-in portion (12); Described chair back portion (14) is obliquely installed and forms knuckle (131) with extension (13), described handrail (3) one end be fixedly connected on chair back portion (14) upper and and vertical range between knuckle (131) at 2 ~ 5cm, the other end is fixedly connected in bench portion (11); The upper setting of described extension (13) is used for folding means (5) superimposed to chair back portion (14) to bench portion (11); Described folding means (5) comprise carrier (51) and with upper carrier (51) by the hinged lower carrier (52) of central shaft (53), described upper carrier (51) offers groove (511), the upper setting of described lower carrier (52) is inserted into the connecting plate (521) in groove (511), and described central shaft (53) is through groove (511) and connecting plate (521).

2. by a kind of folding seat reducing packaging space according to claim 1, it is characterized in that: described extension (13) point is truncated into pipe joint (132) and lower pipe joint (133), described folding means (5) comprises the tensile part (54) be arranged at respectively in pipe joint (132) and lower pipe joint (133), tensile part (54) connecting hinge joint (55) in upper pipe joint (132), tensile part (54) connecting hinge joint chair (56) in lower pipe joint (133), articulated joint (55) and hinged seat (56) are rotationally connected; When upper pipe joint (132) and lower pipe joint (133) close mutually, tensile part (54), articulated joint (55) and hinged seat (56) are all enclosed in extension (13), when upper pipe joint (132) and lower pipe joint (133) are separated from each other, the connecting portion branch of articulated joint (55) and hinged seat (56) is exposed to extension (13) outward, thus the chair back (4) can be overturn.

3. by a kind of folding seat reducing packaging space according to claim 2, it is characterized in that: described tensile part (54) comprises fixed block (543), through the axis of guide (542) of fixed block (543), the axis of guide (542) one end connects and is used for preventing the axis of guide (542) from departing from baffle plate (541), other end connecting hinge joint (55) or the hinged seat (56) of fixed block (543).

4. by a kind of folding seat reducing packaging space according to claim 3, it is characterized in that: described fixed block (543) is upper arranges the through-core hole (5431) be used for through the axis of guide (542), the cross-sectional area of described through-core hole (5431) is greater than the cross-sectional area of the axis of guide (542), and the cross-sectional area of described baffle plate (541) is less than the cross-sectional area of extension (13) inwall.

5. by a kind of folding seat reducing packaging space according to claim 4, it is characterized in that: the transverse slat (15) being used for the fixing headrest (6) is set between the top of two described skeletons (1), described transverse slat (15) is rotationally connected by turning cylinder (151) and skeleton (1), described transverse slat (15) also arranges spring projection (152) on the side of skeleton (1), and the position of the upper corresponding spring projection (152) of described skeleton (1) arranges draw-in groove (16).

6. by a kind of folding seat reducing packaging space according to claim 5, it is characterized in that: the described headrest (6) is inserted in transverse slat (15) by a rectangular support (61), the two ends of described rectangular support (61) arrange the curved portions (611) departing from transverse slat (15) for limiting rectangular support (61).

7. by a kind of folding seat reducing packaging space according to claim 6, it is characterized in that: the curved portions (611) of described rectangular support (61) upper end arranges articulated section (62), described articulated section (62) is included in the open slot (623) curved portions (611) offered towards the chair back (4) break-through on one side, by one end of jointed shaft (622) articulation steering block (621) in described open slot (623), the other end of steering block (621) is fixedly connected with the headrest (6).

8. by a kind of folding seat reducing packaging space according to claim 7, it is characterized in that: after described chair back portion (14) is folding, and the angle between bench portion (11) is between 0 ° ~ 10 °.

9. by a kind of folding seat reducing packaging space according to claim 8, it is characterized in that: described folding means (5) comprise be arranged on extension (13) for by the chair back (4) adapter (57) that rotates of bench (2) dorsad, the below being positioned at bench (2) that the maximum folded angle of described adapter (57) can make the chair back (4) vertical.