A kind of collapsible soft chair
Technical field
The present invention relates to field of sanitary equipment, particularly relate to a kind of collapsible soft chair.
Background technology
Although soft chair is the household seat the most just released, but is extensively liked by consumer, its reason is that soft chair has had both the comfortableness of domestic sofa and seat for home use is light and handy, be easy to the characteristic of carrying.Existing a folding soft chair, including the chair back hinged by angle tune machine and seat support, when the chair back and seat support are in the same plane, soft chair is overall in plane cushion;And when the chair back is dug by folding, soft chair is chaise longue or seat shape.This kind of soft chair moulding is simple and possesses difference in functionality by chair back different angles, very useful;But, this kind of soft chair have of both weak point: 1, the pliability of this kind of soft chair is good, but elastic not enough, takes for a long time and is prone to tired, and comfort is the highest;2 this kind of soft chairs are not equipped with handrail, the most inconvenient during use.
Summary of the invention
In order to solve the problems referred to above, it is an object of the invention to provide a kind of good springiness, the collapsible soft chair that comfort is high, and this folding cushion are provided with and seat support, the handrail of chair back synchronous folding, it is simple to use and receive.
It is equipped with handrail and headrest, and the handrail of this folding soft chair can be good with seat support, chair back synchronous folding, comfort.
In order to realize above-mentioned purpose, present invention employs following technical scheme:
A kind of collapsible soft chair, including the seat support of bottom, and is in the chair back above seat support, and is in the headrest above the chair back, and be in the handrail of seat support both sides;
Described seat support includes seat support skeleton, and it is coated on the seat support filling core body outside seat support skeleton, and it is coated on the seat support overcoat of the external side of seat support filled core, seat support skeleton includes seat support front bar and the seat support rear bar being oppositely arranged, and the many seat support elastic bandages being set in qually spaced in seat support front bar, seat support front bar is opening U-shape backwards, and the both ends of seat support elastic bandage are separately fixed at two U-shaped arm upper surfaces of seat support front bar;Seat support rear bar is in the U-shaped opening of seat support front bar, and seat support rear bar is opening U-shape forward, and two free ends of seat support rear bar are separately positioned on two U-shaped arm inner faces of seat support front bar;
The described chair back includes chair back skeleton, and it is coated on the chair back filling core body outside chair back skeleton, and it is coated on the chair back overcoat of the external side of chair back filled core, chair back skeleton includes two chair back side levers and Duo Gen chair back elastic bandage, two chair back side levers are arranged in parallel and corresponding with the two of seat support front bar U-shaped arms, and the leading section of chair back side lever is hinged on the free end of seat support front bar by angle demodulator;Many chair back elastic bandages are equidistantly set in parallel between two chair back side levers, and the both ends of chair back elastic bandage are separately fixed on the upper surface of two chair back side levers;
Described headrest includes head pillow frame, and it is coated on the headrest filling core body outside head pillow frame, and it is coated on the headrest overcoat of the headrest external side of filled core, head pillow frame includes the headrest elastic bandage that U-shaped push rod and two ends are fastened on two U-shaped arms of U-shaped push rod respectively, the U-shaped opening of U-shaped push rod towards chair back side lever, U-shaped push rod two free ends be all respectively hinged at by angle demodulator on the upper end of two chair back side levers;
Described handrail includes armrest skeleton, and is coated on the handrail filling core body outside armrest skeleton, and is coated on the handrail overcoat of the external side of handrail filled core;Described armrest skeleton fixing bar before including, fix bar, the first link rod and the second link rod afterwards;The inner end of front fixing bar is fixedly connected on the U-shaped arm of seat support front bar, the inner end of rear fixing bar is fixedly connected on chair back side lever, the outer end of front fixing bar is corresponding with the outer end of rear fixing bar, the leading section of the first link rod is the outer end of fixing bar before being hinged on by foldable base, the leading section of the second link rod is hinged on the rearward end of the first link rod by foldable base, and the rearward end of the second link rod is fixed after being hinged on by foldable base on the outer end of bar;The length sum of described first link rod and the second link rod is more than the distance between the outer end of the outer end of front fixing bar and rear fixing bar;
Described foldable base includes the first loop bar and the second loop bar being hinged;
Described angle demodulator includes the first connector and the second connector, and the first connector is hinged by bearing pin a and the second connector;First connector includes the first socket part and fixes the first Access Division being connected with the first socket part;Being hinged with ratchet by bearing pin b on first Access Division, ratchet is provided with for the torsional spring slot for placing torsion spring, is provided with torsion spring in torsional spring slot, and the middle part of torsion spring is set on bearing pin b, and two free ends of torsion spring are stuck on the inner end of the first socket part respectively;
Second connector includes the second socket part and fixes the second Access Division being connected with the second socket part;Second Access Division is provided with the block being connected as a single entity with it and multiple unidirectional gear teeth, multiple unidirectional gear teeth are arranged along the inner end edges rule of the second Access Division, and constituting the wheel flank of tooth each other, the wheel flank of tooth that the inner end of ratchet and the unidirectional gear teeth are constituted offsets composition ratchet wheel positioning mechanism;Also be coaxially arranged with spacer along bearing pin a on second Access Division, described spacer include outside cambered surface diameter more than the wheel reset portion of the flank of tooth and outside cambered surface diameter less than the location division of the wheel flank of tooth, location division is provided with locating aperture, and block is in locating aperture;When spacer rotates along bearing pin a, reset portion and ratchet offset, are rotatably assorted, and locating aperture is rotatably assorted with block.
As preferably, described seat support overcoat, chair back overcoat, headrest overcoat and handrail overcoat the most integrally connect and compose, it is ensured that its internal structure is the most exposed outside, good decorative property.
The present invention uses technique scheme, this folding soft chair have of both advantage: 1, the seat support front bar of this folding soft chair arranges seat support elastic bandage, is provided with chair back elastic bandage between chair back side lever, U-shaped push rod arranges headrest elastic bands;The binder arranged by above-mentioned seat support, the chair back and headrest position is greatly improved the elasticity of soft chair, coordinates the original pliability of soft chair, the overall comfort promoting soft chair;2, soft chair is provided with foldable handrail, and the armrest skeleton rear end within this handrail is hinged on chair back skeleton, front end is hinged on seat support skeleton, i.e. handrail can regulate with angle of back-rest, during expansion simultaneously, whole soft chair, close to setting level (except handrail cannot be set level completely) completely, does not affect its storage;When folding use, handrail is that soft chair provides hand rest portion, increases comfort.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the internal structure schematic diagram of the present invention.
Fig. 3 is the structural representation of foldable base.
Fig. 4 is the structural representation of angle demodulator.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the preferred embodiments of the invention are described in further detail.
The collapsible soft chair of one as shown in Figure 1 and 2, including the seat support 1 of bottom, and is in the chair back 2 above seat support 1, and is in the headrest 5 above the chair back 2, and be in the handrail 4 of seat support 1 both sides.
Seat support 1 includes seat support skeleton, and it is coated on the seat support filling core body 12 outside seat support skeleton, and it is coated on the seat support overcoat outside seat support filling core body 12, seat support skeleton includes seat support front bar 111 and the seat support rear bar 112 being oppositely arranged, and the many seat support elastic bandages 113 being set in qually spaced in seat support front bar 111, seat support front bar 111 is U-shape backwards in opening, and the both ends of seat support elastic bandage 113 are separately fixed at two U-shaped arm upper surfaces of seat support front bar 111.Seat support rear bar 112 is in the U-shaped opening of seat support front bar 111, and seat support rear bar 112 is U-shape forward in opening, and two free ends of seat support rear bar 112 are separately positioned on two U-shaped arm inner faces of seat support front bar 111.
The chair back 2 includes chair back skeleton, and it is coated on the chair back filling core body 22 outside chair back skeleton, and it is coated on the chair back overcoat outside chair back filling core body 22, chair back skeleton includes two chair back side levers 211 and Duo Gen chair back elastic bandage 212, two chair back side levers 211 are arranged in parallel and corresponding with the two of seat support front bar 111 U-shaped arms, and the leading section of chair back side lever 211 is hinged on the free end of seat support front bar 111 by angle demodulator 3.Many chair back elastic bandages 212 are equidistantly set in parallel between two chair back side levers 211, and the both ends of chair back elastic bandage 212 are separately fixed on the upper surface of two chair back side levers 211.
Headrest 5 includes head pillow frame, and it is coated on the headrest filling core body 51 outside head pillow frame, and it is coated on the headrest overcoat outside headrest filling core body 51, head pillow frame includes the headrest elastic bandage 532 that U-shaped push rod and two ends are fastened on two U-shaped arms of U-shaped push rod 531 respectively, the U-shaped opening of U-shaped push rod 531 towards chair back side lever 211, U-shaped push rod 531 two free ends be all respectively hinged at by angle demodulator 3 on the upper end of two chair back side levers 211.
Handrail 4 includes armrest skeleton, and is coated on the handrail filling core body 41 outside armrest skeleton, and is coated on the handrail overcoat outside handrail filling core body 41.Seat support overcoat, chair back overcoat, headrest overcoat and handrail overcoat the most integrally connect and compose, it is ensured that its internal structure is the most exposed outside, good decorative property.Described armrest skeleton is fixing bar 431, rear fixing bar the 432, first link rod 433 and the second link rod 434 before including.The inner end of front fixing bar 431 is integrally attached on the U-shaped arm of seat support front bar 111, the inner end of rear fixing bar 432 is integrally attached on chair back side lever 211, the outer end of front fixing bar 431 is corresponding with the outer end of rear fixing bar 432, the leading section of the first link rod 433 is the outer end of fixing bar 431 before being hinged on by foldable base 6, the leading section of the second link rod 434 is hinged on the rearward end of the first link rod 433 by foldable base 6, and the rearward end of the second link rod 434 is fixed after being hinged on by foldable base 6 on the outer end of bar 432.In order to handrail can be dug smoothly, under deployed condition, the first link rod and the second link rod can not be set level completely, and therefore, the length sum of the first link rod 433 and the second link rod 434 is more than the distance between the outer end of the outer end of front fixing bar 431 and rear fixing bar 432.
As it is shown on figure 3, foldable base 6 includes the first loop bar 61 and the second loop bar 62 being hinged, foldable base 6 is only used as jointed shaft, without fixation.
As shown in Figure 4, angle demodulator 3 includes that the first connector 31 and the second connector 32, the first connector 31 are hinged by bearing pin a and the second connector 32.First connector 31 includes the first socket part 311 and the first Access Division 312 being connected with the first socket part 311 one.It is hinged with ratchet 33 by bearing pin b on first Access Division 312, ratchet 33 is provided with for the torsional spring slot 331 for placing torsion spring, being provided with torsion spring 34 in torsional spring slot, the middle part of torsion spring 34 is set on bearing pin b, and two free ends of torsion spring 34 are stuck on the inner end of the first socket part 311 respectively.Second connector 32 includes the second socket part 321 and the second Access Division 322 being connected with the second socket part 321 one.Second Access Division 322 is provided with the block 35 being connected as a single entity with it and multiple unidirectional gear teeth 36, multiple unidirectional gear teeth 36 are arranged along the inner end edges rule of the second Access Division 322, and constituting the wheel flank of tooth each other, the wheel flank of tooth that the inner end of ratchet 33 and the unidirectional gear teeth 36 are constituted offsets composition ratchet wheel positioning mechanism.Spacer 37 also it is coaxially arranged with along bearing pin a on second Access Division 322, described spacer 37 include outside cambered surface diameter more than the wheel reset portion 371 of the flank of tooth and outside cambered surface diameter less than the location division of the wheel flank of tooth, location division is provided with locating aperture 372, and block 35 is in locating aperture 372.When spacer 37 rotates along bearing pin a, reset portion 371 offsets with ratchet 33, is rotatably assorted, and locating aperture 372 is rotatably assorted with block 35.
The first socket part 311 on first connector 31 is socketed in the rearward end of seat support front bar or the rearward end of chair back side lever, the second socket part 321 on second connector 32 is socketed on the leading section of chair back side lever or on the leading section of U-shaped push rod, when angle adjusts machine to be between chair back skeleton and head pillow frame, headrest and the chair back adjust the bearing pin a of machine to rotate coaxially by angle and adjustable headrest uses angle.When angle adjusts machine to be between seat support skeleton and chair back skeleton;Seat support and the chair back are by rotating coaxially at bearing pin a.Wherein, the regulative mode of the chair back is as follows: the ratchet wheel positioning mechanism constituted due to inner end and the unidirectional gear teeth 36 of ratchet 33 can only chair back one-directional rotation clockwise, therefore the angle between seat support and the chair back is turned down, can be adjusted step by step according to the unidirectional gear teeth 36, typically go to be used to adjusting back angle in the range of 90 ° for sitting to user or lying at 180 °;And the angle between seat support and the chair back less than 90 ° time, block 35 on second connector 32 promotes locating aperture 372 right side wall of spacer 37, spacer 37 is rotated clockwise along bearing pin a, the reset portion 371 of spacer 37 offsets with the inner end of ratchet 33, extrudes, owing to the outside cambered surface diameter of reset portion 371 is more than the wheel flank of tooth, therefore while reset portion 371 and ratchet 33 offset, release engaging between ratchet 33 and the unidirectional gear teeth 36, now, the chair back can overlay on seat support, convenient for collecting;And if need to tune up the angle between seat support and the chair back, when typically being gone in the range of 180 ° by 90 °, now need first to regulate angulation between the second connector 32 and the first connector 31 to less than 90 °, time as mentioned above less than 90 °, while reset portion 371 and ratchet 33 offset, release engaging between ratchet 33 and the unidirectional gear teeth 36;Now the second connector 32 and upper fixed stop 35 thereof rotate counterclockwise, spacer 37 then offsets with ratchet 33 thus does not rotates, until after block 35 offsets with the left side wall on spacer 37, block 35 promotes spacer 37 to rotate counterclockwise until spacer 37 departs from ratchet 33, now ratchet 33 the inner is engaged with the unidirectional gear teeth 36 again, chair back expanded angle is maximum, generally 180 °.
In sum, this folding soft chair have of both advantage: 1, the seat support front bar of this folding soft chair arranges seat support elastic bandage, is provided with chair back elastic bandage between chair back side lever, U-shaped push rod arranges headrest elastic bands;The binder arranged by above-mentioned seat support, the chair back and headrest position is greatly improved the elasticity of soft chair, coordinates the original pliability of soft chair, the overall comfort promoting soft chair;2, soft chair is provided with foldable handrail, and the armrest skeleton rear end within this handrail is hinged on chair back skeleton, front end is hinged on seat support skeleton, i.e. handrail can regulate with angle of back-rest, during expansion simultaneously, whole soft chair, close to setting level (except handrail cannot be set level completely) completely, does not affect its storage;When folding use, handrail is that soft chair provides hand rest portion, increases comfort.