CN102984969A - Chair - Google Patents
Chair Download PDFInfo
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- CN102984969A CN102984969A CN2012800017016A CN201280001701A CN102984969A CN 102984969 A CN102984969 A CN 102984969A CN 2012800017016 A CN2012800017016 A CN 2012800017016A CN 201280001701 A CN201280001701 A CN 201280001701A CN 102984969 A CN102984969 A CN 102984969A
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- Prior art keywords
- framework
- mentioned
- slip
- chair
- side frame
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03205—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/036—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a head-rest
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/02—Seat parts
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
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- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Chairs Characterized By Structure (AREA)
Abstract
To decrease the gap between the back of a seated person and a backrest when reclining and straightening the backrest of a chair, a chair (1), in which a seat frame (10) is rotatably connected to a reclinable/straightenable back frame (8), the seat frame (10) moves forward as the back frame (8) reclines, and the seat frame (10) moves to the rear as the back frame (8) straightens, is configured in a manner such that: the back frame (8) has a pair of side frames (8a, 8b); a sliding frame (15) is provided movably along the side frames (8a, 8b); a back cushion is provided on the sliding frame (15); a seat cushion is provided on the seat frame (10); the sliding frame (15) moves in the direction of the seat in relation to the back frame (8) as the back frame (8) reclines, and moves in the opposite direction of the seat in relation to the back frame (8) as the back frame (8) straightens; and the gap between the back cushion and the seat cushion grows smaller as the back frame (8) reclines, and larger as the back frame (8) straightens.
Description
Technical field
The present invention relates to chair.
Background technology
Known a kind of chair 110 before, such as Figure 18～shown in Figure 20, chair 110 has back framework 102, this back framework 102 can be towards the fore-and-aft direction rotation of chair by the fulcrum 101 that is fixed on the chair rear portion, the lower end of this back framework 102 be connected the rear end of section's framework 103 and can connect rotatably towards fore-and-aft direction by rotating shaft 108, back buffer unit and epidermis parts etc. is installed on the above-mentioned back framework 102 and as backrest 104, tube base section buffer unit and epidermis parts etc. are installed on the above-mentioned seat section framework 103 and as seat support 105, can centered by above-mentioned fulcrum 101 above-mentioned backrest 104 be erected and fall (for example referring to patent documentation 1,2).
Technical literature formerly
Patent documentation
Patent documentation 1: No. the 3618443rd, Japan Patent
Patent documentation 2: No. the 3914020th, Japan Patent
Summary of the invention
The problem that invention will solve
Above-mentioned chair 110 before, as shown in figure 18, under the state that backrest 104 is erected, the upper surface rear portion 111 of this seat support 105 contacts at contact G place with the front surface bottom 112 of backrest 104.
But, because the top of present section framework 103 arranges section's buffer unit, form seat support 105, front surface at back framework 102 arranges the back buffer unit, form backrest 104, so, above-mentioned contact G, compare the center of the rotating shaft 108 of section's framework 103 and back framework 102, more be positioned at top, the place ahead.
Therefore, the state that erects from the backrest 104 of Figure 18, when shown in Figure 19,20 backrest 104 being fallen at leisure towards the rear, the upper surface rear portion 111 of seat support 105 separates gradually with the front surface bottom 112 of backrest 104, and its gap increases gradually.
Like this, the person of taking a seat 121 is landed in backrest 104 for to erect on the chair 110 of state, and under the state of backrest 104 against, when making backrest 104 lodging, the upper surface rear portion 111 of seat support 105 separates gradually with the front surface bottom 112 of backrest 104.Like this, under the state that backrest 104 is erecting, be arranged in the person's of taking a seat 121 of position shown in Figure 20 dotted line head, under the state that backrest 104 has lodged, move to the position shown in the chain-dotted line of Figure 20.So have following problem: when backrest 104 was fallen, the person of taking a seat 121 the upper part of the body moved towards the below with respect to backrest 104, causes thus upper clothing of the person of taking a seat 121 just to drag up.
In addition, backrest 104 erect and when falling, the epidermis of the person of taking a seat 120 clothes and backrest 104 rubs and rubs, so the worry of the epidermis pain of backrest 104 is arranged.
For this reason, the purpose of this invention is to provide the chair that to eliminate the problems referred to above.
Solve the technical scheme of problem
In order to solve above-mentioned problem, chair of the present invention, section's framework is arranged being set as on the back framework that can erect and fall to link revolvably, along with above-mentioned back framework falls down, above-mentioned seat section framework moves towards the place ahead, and along with above-mentioned back framework erects, above-mentioned seat section framework is mobile towards the rear, it is characterized in that
Above-mentioned back framework has a pair of side frame, is provided with the slip framework that can move along this side frame, is provided with the back buffer unit at this slip framework, and framework is provided with section's buffer unit in above-mentioned seat section,
Along with above-mentioned back framework falls down, above-mentioned slip framework moves towards seat section direction with respect to this back framework, and along with above-mentioned back framework erects, above-mentioned slip framework moves with respect to the rightabout of this back framework towards above-mentioned seat section,
Fall down along with above-mentioned back framework and diminish in gap between above-mentioned back buffer unit and seat section buffer unit, along with above-mentioned back framework erects and becomes large.
Among the present invention also can be, above-mentioned back framework be arranged to, can be towards the fore-and-aft direction rotation of chair by the fulcrum at the rear portion that is located at the chair framework.
Also can be that above-mentioned slip framework moves with respect to the back framework by connecting rod among the present invention.
The effect of invention
As the present invention, along with the back framework falls down, seat section framework moves towards the place ahead, along with the back framework erects, seat section framework is mobile towards the rear, in addition, be provided with the slip framework that can move along the side frame of back framework, at this slip framework the back buffer unit is set, on the present section framework section's buffer unit is set, along with above-mentioned back framework falls down, above-mentioned slip framework moves towards seat section direction with respect to this back framework, along with above-mentioned back framework erects, above-mentioned slip framework moves with respect to the rightabout of this back framework towards above-mentioned seat section, thus, separates with the front surface bottom 112 of the upper surface rear portion 111 of the seat support 105 along with backrest 104 was fallen and backrest 104, the chair 110 of above-mentioned prior art on the contrary, fall down along with above-mentioned back framework and diminish in gap between above-mentioned back buffer unit and seat section buffer unit, along with above-mentioned back framework erects and becomes large.
Like this, the user even backrest is erected and fell, can prevent that also clothes is moved because of backrest under the state of back of the present invention against, needn't put clothes in order or drops back into one's seat, and can cosily use chair.
Description of drawings
Fig. 1 is the stereogram that the backrest of the chair of the expression embodiment of the invention 1 erects state, and for ease of explanation, the expression frame section has omitted buffer unit, epidermis parts.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the front view of Fig. 1.
Fig. 4 is the top view of Fig. 1.
Fig. 5 is the E-E line sectional view among Fig. 4.
Fig. 6 is the sectional view that makes the state of back framework lodging from the state of Fig. 5.
Fig. 7 is the sectional view that further makes the state of back framework lodging from the state of Fig. 6.
Fig. 8 is the F-F line cutaway view among Fig. 5.
Fig. 9 is the E-E line sectional view of the state of Fig. 5, is illustrated in the embodiment of the invention 1 relation of the back buffer unit of chair and seat section buffer unit.
Figure 10 is the E-E line sectional view of the state that backrest fallen from the state of Fig. 9, in addition, the state that pillow holder is decided to be Fig. 9 is shown.
Figure 11 is the E-E line sectional view of the state that backrest further fallen from the state of Figure 10, in addition, the state that pillow holder is decided to be Fig. 9 is shown.
Figure 12 is the side view that the backrest of the chair of the expression embodiment of the invention 2 erects state, and for ease of explanation, the expression frame section has omitted buffer unit, epidermis parts.
Figure 13 is the side view of the state that backrest fallen from the state of Figure 12.
Figure 14 is the side view of the state that further backrest fallen of the state from Figure 13.
Figure 15 is the side view that the backrest of the chair of the expression embodiment of the invention 3 erects state, and for ease of explanation, the expression frame section has omitted buffer unit, epidermis parts.
Figure 16 is the side view of the state that backrest fallen from the state of Figure 15.
Figure 17 is the side view of the state that further backrest fallen of the state from Figure 16.
Figure 18 is the side view of the relation of the backrest of chair of expression prior art and seat support.
Figure 19 is the side view of the state that backrest fallen from the state of Figure 18.
Figure 20 is the side view of the state that further backrest fallen of the state from Figure 19.
The specific embodiment
Below,, illustrate and implement embodiments of the present invention to embodiment shown in Figure 17 with Fig. 1.
Fig. 1 to Figure 11 represents embodiment 1.
The chair 1 of the embodiment of the invention 1 shown in Fig. 1～4, has pedestal 2.Be provided with turntable 3 at this pedestal 2, turntable 3 with the above-below direction (vertical direction) of pedestal as rotating shaft, can be with respect to these pedestal 2 rotations.On this turntable 3, be fixed wtih chair framework 4.Below explanation in, the seat side of chair 1, be the opposition side of backrest 28, as front A; Backrest 28 sides, as rear B; The left side among Fig. 3, as left C, the right side as right D.
Above-mentioned chair framework 4 shown in Fig. 1～4, has two side frame 4a, 4b and is erected at lower framework 4c between this two side frame 4a, 4b lower end, and two side frame 4a, 4b and lower framework 4c form as one.In the lower central of above-mentioned lower framework 4c, be fixed wtih above-mentioned turntable 3, this turntable 3, as shown in Figure 2, along with forming from the place ahead A towards rear B downwards.At the rear portion of this turntable 3, be provided with along the vertical direction (vertical direction) vertical base portion 3a cylindraceous that is establishing.This base portion 3a rotatably is being connected with above-mentioned pedestal 2.
In the upper end of two side frame 4a, 4b, along front and back (A-B) direction of chair 1, be fixed wtih the parts that consist of ancon, be tabular elbow framework 5,5 in the present embodiment.
At the rear, top of above-mentioned two side frame 4a, 4b, shown in Fig. 5～7, be fixed wtih from its inner surface direction (along the C-D direction) outstanding fulcrum 7,7 flatly inwards.On this fulcrum 7, has the back framework 8 that centered by this fulcrum 7, rotates before and after the axle energy.
This back framework 8 shown in Fig. 1,3, has pair of right and left side frame (below be called the back side frame) 8a, 8b, and in the present embodiment 1, this back side frame 8a, 8b are made of hollow metal tubulation cylindraceous.These two back side frame 8a, 8b be arranged to its direction of principal axis and chair 1 about (C-D) direction quadrature.In addition, above-mentioned fulcrum 7,7 runs through the direction of principal axis pars intermedia of above-mentioned each back side frame 8a, 8b, and back side frame 8a, 8b can rotate towards front and back centered by this fulcrum 7,7.Between the top of above-mentioned two back side frame 8a, 8b, setting up connecting rod 8c.
In the bottom of above-mentioned two back side frame 8a, 8b, as shown in Figure 1, connecting can be towards front and back the seat section framework 10 of (A-B) direction rotation.This framework 10 has pair of right and left side frame (below be called section's side frame) 10a, 10b, and in the present embodiment 1, the side frame 10a of this, 10b are made of hollow metal tubulation cylindraceous.The side frame 10a of this, 10b are arranged to front and back (A-B) direction that its direction of principal axis is positioned at chair 1.Between the leading section of above-mentioned two the side frame 10a of seat section, 10b, setting up frame 10c before the seat section, between the rearward end of two the side frame 10a of seat section, 10b, setting up the after-frame 10d of seat section.Both sides at the after-frame 10d of this, as shown in Figure 1, be provided with outstanding brace 10e, the 10e of B direction backwards from the after-frame 10d of seat section, the bottom of above-mentioned two back side frame 8a, 8b, centered by the connecting axle 10f that (CD) direction is being horizontally disposed with about the edge, can before and after be connected to rotatably on this each brace 10e, 10e.
At two side frame 4a of above-mentioned chair framework 4, the inner surface of 4b, shown in Fig. 1,5～7, be provided with section's guide member 11,11, this guide member 11 shown in Fig. 5～7, forms the bending that towards rear B direction and slowly descends along with the past A direction.On this guide member 11,11, have and to accept parts 12,12 along the guiding that this guide member 11,11 moves.The direction of principal axis pars intermedia of above-mentioned two the side frame 10a of seat section, 10b, with along about the seat axle 12a that is being horizontally disposed with of (C-D) direction, be connected to this guiding and accept parts 12,12 inboard, the side frame 10a of seat section, 10b can rotate towards front and back centered by this axle 12a.Like this, seat section framework 10 can rotate centered by seat axle 12a, and can move towards front and back along guide member 11.
Upper end at above-mentioned two back side frame 8a, 8b is respectively equipped with head guide member 14,14.This each head guide member 14,14 has plate- shaped member 14a, 14a, one end (bottom) of the length direction of this plate- shaped member 14a, 14a, be fixed on two back side frame 8a, the 8b, the other end (upper end) at the length direction of above-mentioned plate- shaped member 14a, 14a is provided with pin 14b, 14b.This sells 14b, shown in Fig. 3,4, from the outer surface of plate-shaped member 14a towards about the outside of (C-D) direction outstanding.
On above-mentioned two back side frame 8a, 8b, has the slip framework 15 that can slide along the direction of principal axis of back side frame 8a, 8b.Above-mentioned slip framework 15 shown in Fig. 1,5～7, is compared above-mentioned back framework 8, is configured in front A side.Above-mentioned slip framework 15 shown in Fig. 1,3, has pair of right and left slip side frame 15a, 15b and attaching parts 20.In the present embodiment 1, above-mentioned slip side frame 15a, 15b are made of hollow metal tubulation cylindraceous.The direction of principal axis of this slip side frame 15a, 15b is roughly parallel to above-mentioned back side frame 8a, 8b.
Between the rear side on the top of above-mentioned two slip side frame 15a, 15b, setting up connecting rod 17, between the rear side of the bottom of two slip side frame 15a, 15b, setting up connecting rod 18.In addition, the rear B side (back framework 8 sides) in the upper and lower of right slip side frame 15a shown in Fig. 5～7, is fixed wtih attaching parts 20,20 with fixed part 20a.In addition, the rear B side (back framework 8 sides) in the upper and lower of left slip side frame 15b shown in Fig. 5～7, also is fixed wtih attaching parts 20,20 with fixed part 20a.These right side attaching parts 20,20, with respect to right back side frame 8a, can be along its direction of principal axis, be that the up and down direction of principal axis of back framework 8 is swum embedding slidably.In addition, left side attaching parts 20,20 also with respect to left back side frame 8b, can be swum embedding along its direction of principal axis slidably, and slip framework 15 can slide along the direction of principal axis of above-mentioned two back side frame 8a, 8b.That is, slip framework 15 can move along the direction of principal axis of back side frame 8a, 8b.
As above-mentioned attaching parts 20, need only the material that plastics, metal, timber etc. can be configured as the solid shape, can use arbitrarily material, in the present embodiment, use polyacetals (POM).
In the rear B side of above-mentioned attaching parts 20, shown in Fig. 5～8, be fixed wtih plate 21 behind the back, plate 21 can move along the direction of principal axis of back side frame 8a, 8b as one behind slip framework 15 and the back.
Upper end at above-mentioned two slip side frame 15a, 15b shown in Fig. 5～7, is provided with head framework 22.This head framework 22 has pair of right and left head cam 22a, 22a, is located at horizontal head axle 22b, the 22b of (C-D) direction about the edge of its underpart, rotatably is connected to the upper end of above-mentioned slip side frame 15a, 15b, head framework 22 can before and after rotate.This head cam 22a forms tabularly, and side has formed the guiding groove 23 of surface opening at least within it within it.This guiding groove 23 also can be formed by the through hole that penetrates into head cam 22a lateral surface, can also by the lateral surface of head cam 22a not the kerve that has of opening form.At the rear portion of above-mentioned head cam 22a, be provided with plate 25 behind the head.
Above-mentioned guiding groove 23, in present embodiment 1, shown in Fig. 5～7, form continuously " く " font by the 1st guiding groove 23a, arc groove 23b and the 2nd guiding groove 23c, the 1st guiding groove 23a along with the bottom of cam 22a from the head towards the top and backward B roll tiltedly, arc groove 23b forms circular-arc on the top of the 1st guiding groove 23a, the 2nd guiding groove 23c is on the top of this arc groove 23b, along with the below of cam 22a from the head towards the top and forward A roll tiltedly.
In above-mentioned guiding groove 23, the trip embedding can be along the pin 14b of the above-mentioned back framework 8 that guiding groove 23 moves.
Shown in Fig. 1,5～7, an end (bottom) of connecting rod 27 by the rotating shaft 27a that (C-D) direction about the edge is being horizontally disposed with, can be connected to the bottom of above-mentioned two slip side frame 15a, 15b rotatably towards front and back centered by it.The other end of above-mentioned connecting rod 27 (upper end), the rotating shaft 27b that is being horizontally disposed with by (C-D) direction about the edge can be centered by it be connected on the inner surface of B side behind the top of two side frame 4a, 4b of chair framework 4 rotatably towards front and back.The other end sidespin rotating shaft 27b of connecting rod 27 shown in Fig. 5,9, when the state that back framework 8 erects, compares a distolateral rotating shaft 27a, is positioned at the top of the place ahead A.
Above-mentioned connecting rod 27 forms tabularly, and its side view is arc, and the central side of its arc is positioned at front side A.In addition, the side view of above-mentioned connecting rod 27 except above-mentioned arc, also can be the arbitrarily shape such as linearity.
Between above-mentioned two slip side frame 15a, 15b and between two head cam 22a, 22a, be provided with the 1st cloth spring (not shown), its both sides are installed on slip side frame 15a, 15b and head cam 22a, the 22a by the force application mechanism (not shown).The upper end of the 1st cloth spring is fixed on the connecting rod (not shown), and this connecting rod is located between the upper end of above-mentioned head cam 22a, 22a, and the lower end of the 1st cloth spring is fixed on the lower connecting rod 18 of slip framework 15.The both sides of above-mentioned the 1st cloth spring, by above-mentioned force application mechanism towards slip side frame 15a(15b) the direction application of force.This force application mechanism uses spring in the present embodiment.
At the front surface that is located at the 1st cloth spring between above-mentioned slip side frame 15a, 15b, be fixed wtih back polyurethane part 28a with bonding agent etc., at the front surface that is located at the 1st cloth spring between head cam 22a, 22a, be fixed wtih head polyurethane part 30a with bonding agent etc.
It is whole that the 1st epidermis parts (not shown) is covered with behind above-mentioned slip framework 15, back framework 8, the 1st cloth spring, back polyurethane part 28a, head polyurethane part 30a, the back behind the plate 21 and head the peripheral part of plate 25.The 1st epidermis parts, can be fixed on behind slip framework 15, back framework 8, the 1st cloth spring, back polyurethane part 28a, head polyurethane part 30a, the back behind the plate 21 and head on any among the plate 25, also can not be fixed on any parts.
Back buffer unit 28b is made of the 1st cloth spring and the back polyurethane part 28a that are located between above-mentioned slip side frame 15a, 15b, but as this back buffer unit 28b, except cloth spring, polyurethane part, also can use arbitrarily buffer unit.In addition, backrest 28 is made of plate 21 and the 1st epidermis parts behind slip framework 15, back framework 8, back buffer unit 28b, the back.
In addition, on the present section framework 10, be provided with the 2nd cloth spring (not shown), its both sides are separately fixed on the side frame 10a of section, the 10b, on the fixing front frame 10c of present section of the front end of the 2nd cloth spring.In addition, the rearward end of the 2nd cloth spring, on the fixing present after-frame 10d of section of force application mechanism (not shown), the rearward end of above-mentioned the 2nd cloth spring is by the rear direction application of force of above-mentioned force application mechanism towards seat section framework 10.As this force application mechanism, use in the present embodiment spring.
On the top of above-mentioned the 2nd cloth spring, be fixed wtih a polyurethane part 29a of section with bonding agent etc.The buffer unit 29b of seat section is made of the 2nd cloth spring and the polyurethane part 29a of seat section, still, as the buffer unit 29b of seat section, except cloth spring, polyurethane part, also can use arbitrarily buffer unit.
The 2nd epidermis parts (not shown), the peripheral part that is covered with above-mentioned seat section's framework 10 and the buffer unit 29b of seat section is whole.The 2nd epidermis parts can be fixed among present section framework the 10, the 2nd cloth spring, the polyurethane part 29a of seat section any, also can not be fixed on any parts.Seat section 29 is made of above-mentioned seat section framework 10, the buffer unit 29b of seat section and the 2nd epidermis parts.
Below, the action of chair 1 is described.
Shown in Fig. 5,9, at the back of chair 1 framework 8(backrest 28) state that erects, separate between the rear upper surface of the lower end of back buffer unit 28b and the buffer unit 29b of seat section, formed the gap.From the state that the back framework 8 of this chair 1 erects, when B fell towards the rear at leisure centered by fulcrum 7 with back framework 8, shown in Fig. 6,10, connecting rod 27 is centered by the rotating shaft 27b of chair framework 4 sides, its side by slip framework 15 is rotated towards the place ahead, simultaneously, the slip framework 15 that is being connected with rotating shaft 27a, side direction (seat section 29 directions) is mobile down along back side frame 8a, 8b.
In addition, in Fig. 9～11, miscellaneous for fear of figure is at back buffer unit 28b, the polyurethane part 29a of seat section, head buffer unit 30b, not hatching.In addition, relativeness when representing backrest 28 lodging, back buffer unit 28b, the polyurethane part 29a of seat section and the person of taking a seat 40, in Fig. 9～11, illustrate head framework 22 and do not erect and fell towards fore-and-aft direction, and be fixed as the state that erects of Fig. 9.
As mentioned above, slip framework 15 moves, and simultaneously, back buffer unit 28b and the 1st epidermis parts also move towards the direction of the buffer unit 29b of seat section of seat section 29 gradually, and the gap between back buffer unit 28b and the buffer unit 29b of seat section narrows down gradually.
In addition, along with the gradually lodging of back framework 8, seat section framework 10 is pushed towards the place ahead by the bottom of back framework 8, and is gradually mobile towards anterior top along seat section guide member 11.
In addition, head framework 22, owing to be rotatably connected to the upper end of slip framework 15, so as shown in Figure 6, head framework 22 is mobile towards downside (seat section 29 directions) with slip framework 15.At this moment, head guide member 14 is with respect to head cam 22a(guiding groove 23) (rightabout of seat section 29) moves relatively towards the top.That is, pin 14b is along with in the 1st guiding groove 23a that tilts toward rear B, gradually moving towards the top towards top from the bottom.Like this, the axle of back side frame 8a, 8b (axle of the above-below direction of back framework 8) and head framework 22(head cam 22a) front surface between angle [alpha] gradually increase headrest 30(head framework 22) with respect to backrest 28(back framework 8) gradually erect.
And, when pin 14b is positioned at arc groove 23b central, head framework 22(head cam 22a) front surface and the angle [alpha] between the axle (axle of back side frame 8a, 8b) of the above-below direction of back framework 8, become maximum (predetermined value).
As shown in Figure 7, when further back framework 8 slowly being fallen, rotation by connecting rod 27, slip framework 15 further moves towards downside (seat section 29) direction, simultaneously, pin 14b in head cam 22a along with in the 2nd guiding groove 23c of the place ahead A inclination, gradually moving towards the top towards top from the bottom.Like this, angle [alpha] between the front surface of the axle of back side frame 8a, 8b and head cam 22a reduces gradually, head framework 22(headrest 30) with respect to back framework 8(backrest 28) gradually towards the rear lodging, as shown in Figure 7, when arriving 8 lodging of back framework at utmost, the angle [alpha] between the front surface of the axle of back side frame 8a, 8b and head cam 22a becomes roughly zero.
In addition, with above-mentioned action on the contrary, as shown in Figure 7, backrest 28(back framework 8 from chair 1) the state of lodging, when back framework 8 is slowly erected, by connecting rod 27 and rotation above-mentioned opposite direction, side direction (rightabout of seat section 29) is mobile up along back side frame 8a, 8b for slip framework 15.Thereupon, along with back framework 8 is erected, head framework 22 erects gradually with respect to back framework 8, angle [alpha] between the axle of the above-below direction of the front surface of head framework 22 and back framework 8, after becoming predetermined value, when further back framework 8 being erected, along with back framework 8 erects, head framework 22 falls down gradually towards the rear with respect to back framework 8, becomes state shown in Figure 5.
Namely, back framework 8, as shown in Figure 5, till from erecting state, to the angle [alpha] the axle of the above-below direction of the front surface of head framework 22 and back framework 8, becoming maximum, along with 8 lodging of back framework, head framework 22 erects with respect to back framework 8, and along with back framework 8 erects, head framework 22 is with respect to 8 lodging of back framework.
In addition, back framework 8, from above-mentioned angle [alpha] is peaked state, till the state of back framework shown in Figure 78 lodging, along with back framework 8 was fallen, head framework 22 is with respect to 8 lodging of back framework, along with back framework 8 is erected, head framework 22 erects with respect to back framework 8.
Since above-mentioned structure, following effect, the effect of chair 1 performance of the embodiment of the invention 1.
Among the present invention, along with back framework 8(backrest 28) fell, slip framework 15, be located at back buffer unit 28b and the 1st epidermis parts on the slip framework, move towards seat section 29 directions together, along with back framework 8(backrest 28) erect, slip framework 15, back buffer unit 28b and the 1st epidermis parts, the rightabout towards seat section 29 moves together.Like this, the backrest 28 of the lodging state of the state that erects of backrest shown in Figure 9 28 and backrest 28 shown in Figure 11 erect and the action of falling in, shown in Fig. 9～11, the interval (gap) between back buffer unit 28b and the buffer unit 29b of seat section changes.In addition, along with backrest 28 was fallen towards the rear, seat section 29 moves towards the place ahead.
Hence one can see that, and 40 of the persons of taking a seat erect at backrest 28 on the chair 1 of state, under the state of backrest 28 against, even with backrest 28 lodging or erect, as shown in figure 11, compares with Figure 20 in the technology before, and the person of taking a seat 40 amount of movement greatly reduces.In the state of taking a seat that this Figure 11 represents, the person of taking a seat 40 huckle and the junction surface of pelvis, with respect to seat section 29, the seated position from the person of taking a seat 40 of Fig. 9 does not move, and dots the position that backrest shown in Figure 9 28 erects the head of the person of taking a seat 40 in the state.From this Figure 11 as can be known, the position relationship of the person of taking a seat 40 back and backrest 28 and Fig. 9 do not have large deviation, can suppress clothes and dragged toward tops or movement by backrest 28, even backrest 28 erected and when falling, arrangement clothes, the action that drops back into one's seat also reduce, and can cosily use chair 1.
In addition, the erecting and when falling, can reduce the person of taking a seat 40 and dawdle with the epidermis of backrest 28 of backrest 28, compare with the chair 110 of technology before, can reduce the pain of the epidermis of backrest 28.
In addition, back framework 8 was fallen at leisure from erecting state, until the angle [alpha] between the axle of the above-below direction of the front surface of head framework 22 and back framework 8 becomes before the predetermined value, along with back framework 8(backrest 28) slowly fell, head framework 22(headrest 30) with respect to back framework 8(backrest 28) gradually erect, like this, the person of taking a seat 40 fell the backrest 28 of chair 1 slightly, when seeing the television set etc. in the place ahead, compare the state shown in Fig. 5,9, headrest 30 erects with respect to backrest 28, thus can be easily the person of taking a seat 40 sight line be remained on the place ahead.
In addition, after angle [alpha] between the axle of the above-below direction of the front surface of head framework 22 and back framework 8 becomes predetermined value, along with back framework 8(backrest 28) fall down, head framework 22(headrest 30) with respect to back framework 8(backrest 28) gradually fall down, like this, when the person of taking a seat 40 significantly fell, becomes lying posture etc. with the backrest 28 of chair 1, the person of taking a seat 40 neck can be tired, can obtain comfortable posture.
Figure 12 to Figure 14 represents embodiment 2.
In above-described embodiment 1, with a connecting rod 27, the bottom of slip side frame 15a, 15b and two side frame 4a, the 4b of chair framework 4 are coupled together, and in the present embodiment 2, it is the connecting rod 31 that consists of with some connecting rods, the direction of principal axis pars intermedia of slip side frame 15a, 15b and two side frame 4a, the 4b of chair framework 4 are coupled together, along with backrest 28(back framework 8) rearward fall down, slip framework 15 moves the gap turn narrow between back buffer unit 28b and the buffer unit 29b of seat section towards downside (seat section 29 sides) direction.In addition, along with backrest 28(back framework 8) erect, slip framework 15 moves towards upside (seat section 29 opposite) direction, and the gap change between back buffer unit 28b and the buffer unit 29b of seat section is greatly.
Above-mentioned connecting rod 31 shown in Figure 12～14, is made of the 1st connecting rod 32, the 2nd connecting rod 33 and the 3rd connecting rod 34 such 3 connecting rods.
One end (upper end) of above-mentioned the 1st connecting rod 32, centered by the rotating shaft 32a that (C-D) direction is being horizontally disposed with about the edge, be connected to rotatably the direction of principal axis pars intermedia of slip side frame 15a, 15b before and after the energy, the other end of the 1st connecting rod 32 (lower end), centered by the rotating shaft 32b that (C-D) direction is being horizontally disposed with about the edge, be connected to rotatably an end (upper end) of the 2nd connecting rod 33 before and after the energy.The direction of principal axis pars intermedia of the 2nd connecting rod 33, can be connected on back side frame 8a, the 8b front and back centered by the connecting axle 33a that (CD) direction is being horizontally disposed with about the edge rotatably by another distolateral position.This connecting axle 33a is positioned near the rear portion of fulcrum 7.
The other end of above-mentioned the 2nd connecting rod 33 (lower end) centered by the rotating shaft 33b that (C-D) direction is being horizontally disposed with about the edge, is connected to an end (rear end) of the 3rd connecting rod 34 rotatably before and after the energy.The other end of the 3rd connecting rod 34 (front end) centered by the rotating shaft 34a that (C-D) direction is being horizontally disposed with about the edge, is connected to the top, rear portion of two side frame 4a, the 4b of chair framework 4 rotatably before and after the energy.
Other structure, formation are identical with above-described embodiment 1, and its explanation is omitted.
Below, the action of the chair 1 of the 2nd embodiment is described.
As shown in figure 12, from the state that the back framework 8 of chair 1 erects, when back framework 8 was slowly rearward fallen, the lower end side of the 2nd connecting rod 33 was shown in Figure 13,14, centered by near the connecting axle 33a the fulcrum 7, towards the rear, top to rotation.In addition, by the rotation of the 2nd connecting rod 33, the other end rotating shaft 32b of the 1st connecting rod 32 down direction moves.Like this, shown in Figure 12～14, with slip side frame 15a, 15b that a distolateral rotating shaft 32a of the 1st connecting rod 32 is being connected, (seat section 29) direction moves along back side frame 8a, 8b towards downside, the gap turn narrow between back buffer unit 28b and the buffer unit 29b of seat section.
In addition, with on the contrary above-mentioned, as shown in figure 14, from the state of the back framework lodging of chair 1, when back framework 8 is erected, by with above-mentioned opposite action, slip framework 15 is along back side frame 8a, 8b, rightabout towards seat section 29 moves, and it is large that the gap between back buffer unit 28b and the buffer unit 29b of seat section becomes.
Other action, identical with above-described embodiment 1, its explanation is omitted.
In the present embodiment 2, also can bring into play effect, the effect same with above-described embodiment 1.
Figure 15 to Figure 17 represents embodiment 3.
In above-described embodiment 1, with connecting rod 27, with slip side frame 15a, two side frame 4a of the bottom of 15b and chair framework 4,4b couples together, and in the present embodiment 3, with connecting rod 41, with slip side frame 15a, the side frame 10a of seat section of the direction of principal axis pars intermedia of 15b and seat section framework 10,10b couples together, along with backrest 28(back framework 8) fell, slip framework 15 moves towards seat section 29 side directions, it is large that gap between back buffer unit 28b and the buffer unit 29b of seat section becomes, in addition, along with backrest 28(back framework 8) erect, slip framework 15 moves towards the rightabout of seat section 29, and it is large that the gap between back buffer unit 28b and the buffer unit 29b of seat section becomes.
Above-mentioned connecting rod 41 shown in Figure 15～17, is formed by a connecting rod.This connecting rod 41 forms tabular, and its side view is arc, and the central side of its arc is positioned at front side A.One end (upper end) of this connecting rod 41, centered by the rotating shaft 41a that (C-D) direction is being horizontally disposed with about the edge, be connected to rotatably the direction of principal axis pars intermedia of slip side frame 15a, 15b before and after the energy, the other end of connecting rod 41 (lower end), centered by the rotating shaft 41b that (C-D) direction is being horizontally disposed with about the edge, connect rotatably the pars intermedia of present the side frame 10a of section, 10b before and after the energy.In addition, the side view of above-mentioned connecting rod 41 except above-mentioned arc, also can be the arbitrarily shape such as linearity.
Other structure, formation are identical with above-described embodiment 1, and its explanation is omitted.
Below, the action of the chair 1 of present embodiment 3 is described.
As shown in figure 15, from the state that the back framework 8 of chair 1 erects, shown in Figure 16,17, when back framework 8 was slowly rearward fallen, seat section framework 10 was gradually mobile towards anterior top along seat section guide member 11.Thereupon, the other end sidespin rotating shaft 41b that is being connected with seat section framework 10 moves towards top, the place ahead, and connecting rod 41 rotates centered by its two rotating shaft 41a, 41b, and simultaneously, this rotating shaft 41a moves towards downside (seat section 29) direction.And the slip framework 15 that is being connected with the rotating shaft 41a of connecting rod 41 moves towards seat section 29 directions along back side frame 8a, 8b.
In addition, with on the contrary above-mentioned, as shown in figure 17, from the state of back framework 8 lodging, when back framework 8 was slowly erected, slip framework 15 was along back side frame 8a, 8b, moved towards the rightabout of seat section 29.
Other action, identical with above-described embodiment 1, its explanation is omitted.
In the present embodiment 3, also can bring into play and above-described embodiment 1,2 same effect, effects.
In above-described embodiment 1 to 3, back framework 8 is rotated centered by fulcrum 7, by connecting rod 27,31,41, make erecting and falling correspondingly and to move towards the direction of principal axis of back side frame 8a, 8b of slip framework 15 and back framework 8, and in the present embodiment, be that above-mentioned fulcrum 7 is located on slip side frame 15a, the 15b, by connecting rod, along with slip framework 15 rearward falls down, (rightabout of seat section 29) moves towards the top to make back framework 8.
The pars intermedia that is fixed on fulcrum 7 on the chair framework 4 and is connected to slip framework 15, slip framework 15 centered by this fulcrum 7 can before and after rotation.In addition, slip framework 15 and back framework 8 and above-described embodiment 1 to 3 similarly connect by attaching parts 20, and back framework 8 can slide along the direction of principal axis of slip side frame 15a, 15b.
And, along with slip framework 15 rearward falls down centered by fulcrum 7, by connecting rod, back framework 8 is along direction of principal axis (rightabout of seat section 29) movement towards the top of slip side frame 15a, simultaneously, seat section framework 10 is also mobile towards the rear with respect to the lower end of slip framework 15, and the rear end of seat section framework 10 and the lower end of slip framework 15 approach gradually, the gap smaller between back buffer unit 28b and the buffer unit 29b of seat section.
In addition, along with slip framework 15 forwards erects centered by fulcrum, by connecting rod, back framework 8 is along direction of principal axis (seat section 29 directions) movement towards the below of slip side frame 15a, simultaneously, seat section framework 10 also moves towards the place ahead with respect to the lower end of slip framework 15, the rear end of seat section framework 10 and the lower end of slip framework 15 gradually away from.
That is, along with back framework 8 falls down, slip framework 15 moves towards seat section 29 directions with respect to back framework 8.In addition, along with back framework 8 erects, slip framework 15 moves with respect to the rightabout of back framework 8 towards seat section 29, and it is large that the gap between back buffer unit 28b and the buffer unit 29b of seat section becomes.
Other structure, formation are identical with above-described embodiment 1 to 3, and its explanation is omitted
In the present embodiment 4, also can bring into play effect, the effect same with above-described embodiment 1 to 3.
In above-described embodiment 1 to 4, slip framework 15 is compared back framework 8 and is positioned at the place ahead A, is positioned rear B but also slip framework 15 can be compared back framework 8.
Other structure, formation are identical with above-described embodiment 1 to 4, and its explanation is omitted
In present embodiment 5, also can bring into play effect, the effect same with above-described embodiment 1 to 4.
Description of reference numerals
1 ... chair, 4 ... the chair framework, 7 ... fulcrum, 8 ... the back framework, 8a, 8b ... the back side frame, 10 ... seat section framework, 15 ... the slip framework, 27,31,41 ... connecting rod, 28b ... the back buffer unit, 29b ... seat section buffer unit.
Claims (3)
1. chair has section's framework being set as to link revolvably on the back framework that can erect and fall, along with above-mentioned back framework falls down, above-mentioned seat section framework moves towards the place ahead, and along with above-mentioned back framework erects, above-mentioned seat section framework is mobile towards the rear, it is characterized in that
Above-mentioned back framework has a pair of side frame, is provided with the slip framework that can move along this side frame, is provided with the back buffer unit at this slip framework, and framework is provided with section's buffer unit in above-mentioned seat section,
Along with above-mentioned back framework falls down, above-mentioned slip framework moves towards seat section direction with respect to this back framework, and along with above-mentioned back framework erects, above-mentioned slip framework moves with respect to the rightabout of this back framework towards above-mentioned seat section,
Fall down along with above-mentioned back framework and diminish in gap between above-mentioned back buffer unit and seat section buffer unit, along with above-mentioned back framework erects and becomes large.
2. chair as claimed in claim 1 is characterized in that, above-mentioned back framework is arranged to, can be towards the fore-and-aft direction rotation of chair by the fulcrum at the rear portion that is located at the chair framework.
3. chair as claimed in claim 1 or 2 is characterized in that, above-mentioned slip framework moves with respect to the back framework by connecting rod.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011007089A JP5634890B2 (en) | 2011-01-17 | 2011-01-17 | Chair |
| JP2011-007089 | 2011-01-17 | ||
| PCT/JP2012/050720 WO2012099060A1 (en) | 2011-01-17 | 2012-01-16 | Chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102984969A true CN102984969A (en) | 2013-03-20 |
| CN102984969B CN102984969B (en) | 2015-12-09 |
Family
ID=46515685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280001701.6A Active CN102984969B (en) | 2011-01-17 | 2012-01-16 | Chair |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JP5634890B2 (en) |
| KR (1) | KR101465857B1 (en) |
| CN (1) | CN102984969B (en) |
| HK (1) | HK1179132A1 (en) |
| SG (1) | SG186738A1 (en) |
| WO (1) | WO2012099060A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6455471B2 (en) * | 2016-03-16 | 2019-01-23 | トヨタ自動車株式会社 | Vehicle seat |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5150948A (en) * | 1989-09-16 | 1992-09-29 | Voelkle Rolf | Reclining chair |
| CN1074361A (en) * | 1991-10-31 | 1993-07-21 | 罗尔夫·福尔克尔 | Stuhl, insbesondere burodrehstuhl |
| CN2912369Y (en) * | 2006-06-13 | 2007-06-20 | 东钰家具股份有限公司 | Silp-moving armchair base |
| CN101374439A (en) * | 2006-07-07 | 2009-02-25 | 丸一贩卖株式会社 | Reclining chair structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2542353Y2 (en) * | 1991-06-27 | 1997-07-23 | 株式会社タチエス | Seat reclining structure |
| JP3605161B2 (en) * | 1994-12-21 | 2004-12-22 | シロキ工業株式会社 | Reclining device |
-
2011
- 2011-01-17 JP JP2011007089A patent/JP5634890B2/en active Active
-
2012
- 2012-01-16 CN CN201280001701.6A patent/CN102984969B/en active Active
- 2012-01-16 WO PCT/JP2012/050720 patent/WO2012099060A1/en active Application Filing
- 2012-01-16 KR KR1020127032753A patent/KR101465857B1/en active IP Right Grant
- 2012-01-16 SG SG2012092649A patent/SG186738A1/en unknown
-
2013
- 2013-05-24 HK HK13106181.1A patent/HK1179132A1/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5150948A (en) * | 1989-09-16 | 1992-09-29 | Voelkle Rolf | Reclining chair |
| CN1074361A (en) * | 1991-10-31 | 1993-07-21 | 罗尔夫·福尔克尔 | Stuhl, insbesondere burodrehstuhl |
| CN2912369Y (en) * | 2006-06-13 | 2007-06-20 | 东钰家具股份有限公司 | Silp-moving armchair base |
| CN101374439A (en) * | 2006-07-07 | 2009-02-25 | 丸一贩卖株式会社 | Reclining chair structure |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012099060A1 (en) | 2012-07-26 |
| SG186738A1 (en) | 2013-02-28 |
| KR20130018928A (en) | 2013-02-25 |
| JP5634890B2 (en) | 2014-12-03 |
| CN102984969B (en) | 2015-12-09 |
| JP2012147849A (en) | 2012-08-09 |
| KR101465857B1 (en) | 2014-11-26 |
| HK1179132A1 (en) | 2013-09-27 |
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