CN102028362A - Folding chair - Google Patents
Folding chair Download PDFInfo
- Publication number
- CN102028362A CN102028362A CN2010102534753A CN201010253475A CN102028362A CN 102028362 A CN102028362 A CN 102028362A CN 2010102534753 A CN2010102534753 A CN 2010102534753A CN 201010253475 A CN201010253475 A CN 201010253475A CN 102028362 A CN102028362 A CN 102028362A
- Authority
- CN
- China
- Prior art keywords
- carriage
- frame
- support bracket
- back frame
- frame support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000001503 joint Anatomy 0.000 description 8
- 238000005452 bending Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 208000005137 Joint instability Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Images
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- Chair Legs, Seat Parts, And Backrests (AREA)
- Massaging Devices (AREA)
Abstract
The invention provides a folding chair, the backrest part of which can be folded forwardly relative to the seat part, so as to reduce the overall size and weight of a controlled bottom frame at the backrest part side and the folding connection part of a controlled backrest frame. The backrest frame (2) is pivoted and supported on a supporting carriage (3) which is arranged on the bottom frame (1), and a contact carriage (4) which abuts with the supporting carriage (3) is disposed on the backrest frame. A plate surface (33) of the supporting carriage abuts against a plate surface (43) of the contact carriage (4) by means of surface contact, so as to maintain the erection position of the backrest frame (2).
Description
Technical field
The present invention relates to have the joint-stool of the framework of control.
Background technology
Known have
Such joint-stool, the back-rest of chair can be folding with respect to seat portion, and this chair adopts the framework of control.
As Fig. 8, shown in Figure 9, in above-mentioned chair, the bottom framework 1 of seat portion side is connected by folding connecting portion 7 with the back frame 2 of back-rest side.
Folding connecting portion 7 constitutes in the following manner, this mode is: on two side levers 11 about the bottom framework 1 of present portion side, the carriage 70 that the cross section is コ word shape exposes from the upper end of this side lever 11 and fixes towards the mode of front side according to emission surface, two side levers 21 about back frame 2 insert the upper end of these carriages 70, and can forwards support rotatably by pin 71.
In back frame 2, the rear wall of the upper end of carriage 70 constitutes retainer 72, stops its further hypsokinesis.
In above-mentioned joint-stool, the load backward that is acted on the back frame 2 by body weight of user etc. acts on the carriage 70 as bending load.Thus, must make have carriage 70 should folding connecting portion 7 wall thickness, improve intensity, or make carriage 70 longer upward, making as the distance from the pin 71 of the pivot of back frame 2 to retainer 72 increases.In any case, can produce following problem, promptly, overall dimensions with folding connecting portion 7 of carriage 70 increases, and weight increases, if perhaps increase the length of carriage 70, even then under the situation that back frame 2 is folded, still according to the amount of the length increase that makes carriage 70, it is big that overall dimensions becomes.
In addition, as another conventional example, also has following type, wherein, carriage only is used for back frame to be installed, and does not have locking function, the front end that also has by bottom framework and back frame left and right sides framework separately docks each other, forms the retainer at back frame.
In this occasion, the occasion of the butt joint of the leading section between the mutual body side frame of bottom framework and back frame generation skew, i.e. butt joint between the front end of pipe produces the occasion of skew, has the butt joint instability, produces compulsory power, the fault of pipe leading section distortion etc.
Summary of the invention
The present invention obviously relates to the joint-stool that can address the above problem.
A kind of joint-stool, its back-rest can be forwards folding with respect to seat portion, and the control bottom framework 1 of its side is connected by folding connecting portion 5 with the control back frame 2 of back-rest side,
On another framework that does not have frame support bracket 3,3, be provided with can with frame support bracket 3,3 butts contact carriage 4,4;
On frame support bracket 3,3 or contact at least one the carriage in the carriage 4,4, has the plate face 33 or 43 that another carriage butt is limited the reclined position of back frame 2.
If folding back-rest is erected, then be arranged on bottom framework 1 and back frame 2 two side levers 11,11,21,21 about separately frame support bracket 3,3 with contact carriage 4,4 butts.Owing to have the plate face of another carriage institute butt at least on 1 carriage in two carriages 3,4, even so frame support bracket 3 with contact carriage 4 on, in the face perpendicular, produce under the situation of dislocation with docking direction, because at least one of butt joint is the plate face, so this plate face covers dislocation, can stably make two carriage butt joints.
The docking section of two carriages 3,4 is the plate face, if dock between the plate face, then butt joint is further stable.
In addition, acting on backrest props up load on the framework 2 and acts on folding connecting portion 5 as compressive load, with as Fig. 8, the conventional example of Fig. 9 is such, promptly compare with the occasion that the load of back frame 2 acts on the carriage 70 as bending load, can make the overall dimensions of folding connecting portion 5 reduce weight saving.
Description of drawings
Fig. 1 is the bottom framework of user mode and the stereogram of back frame;
Fig. 2 is the bottom framework of folded state and the stereogram of back frame;
Fig. 3 is the stereogram of the folding connecting portion of bottom framework and back frame;
Fig. 4 is the bottom framework of user mode and the side view of back frame;
Fig. 5 is the bottom framework of folded state and the side view of back frame;
Fig. 6 is the bottom framework of user mode of another embodiment and the side view of back frame;
Fig. 7 is the bottom framework of above-mentioned folded state and the side view of back frame;
Fig. 8 is the bottom framework of user mode of conventional example and the side view of back frame;
Fig. 9 is the bottom framework of above-mentioned folded state and the side view of back frame.
The drawing reference numeral explanation
1 bottom framework;
11 side levers;
2 back frames;
21 side levers;
3 frame support brackets;
31 wallboards;
32 connecting plates;
33 plate faces;
4 contact carriages;
41 wallboards;
42 connecting plates;
43 plate faces;
5 folding connecting portions.
The specific embodiment
The joint-stool of embodiment is being for to have the pearl of rubbing formula massager, the joint-stool of implementing in the chair of the chair-type massaging machine of the massager of air bag type massage device etc.
This joint-stool has a portion, can be to front side folding back-rest and armrest part, in the following description with respect to seat portion, describe the padded coaming of cover framework, overlay cloth at these frameworks, massager all is known, and their diagram and explanation are omitted.
In addition, in the explanation of the following description and above-mentioned background technology, " preceding " refers to portion's side, and " back " refers to the back-rest side of the state of erecting.
The bottom framework 1 of seat portion side about have side lever 11,11, each side lever 11 comprises: the pars intermedia 13 that extends in the front and back approximate horizontal; From the front end of pars intermedia 13, forwards be tilted to down and the front portion 12 of extending shortly; From the rear end of pars intermedia 13, tilted rearward makes progress and the rear portion 14 of extension.
Between the front portion 12,12 of two side levers 11, between the pars intermedia 13,13 and between the rear portion 14,14 respectively by front strut 15, middle strut 16, rear pole 17 and connecting.
According to mode handrail framework 18 is set across pars intermedia 13 and rear portion 14.
Above-mentioned bottom framework 1 and back frame 2 are formed by metal tube.
Open on bottom framework 1 and back frame 2 and be provided with a plurality of springs 8, these a plurality of springs 8 are used to the load that a portion of bearing and back-rest are applied, and are used to provide buffering.
The lower end of two side levers 21,21 of back frame 2 is connected in the rear upper end of two side levers 11,11 of bottom framework 1 via folding connecting portion 5 in the mode that can forwards fold.
Folding connecting portion 5 is by frame support bracket 3, swivel bearing pin 6 and contact carriage 4 formations, and this frame support bracket 3 is arranged on the side lever 11 of bottom framework 1; This swivel bearing pin 6 is supported on this frame support bracket 3, runs through the side lever 21 of back frame 2; This contact carriage 4 is arranged at above-mentioned side lever 21.
According near above-mentioned breach 34, swivel bearing pin 6 is installed across the mode of two wallboards 31,31 of frame support bracket 3.
The front end of the side lever 21 of back frame 2 is embedded between the wallboard 31,31 of above-mentioned frame support bracket 3, by swivel bearing pin 6 supporting along the mode of fore-and-aft direction rotation.
On the side lever 21 of above-mentioned back frame 2, contact carriage 4 is set according to mode near frame support bracket 3.
This contact carriage 4 is with respect to the axle core at the rear portion 14 of the side lever 11 of bottom framework 1, and state and frame support bracket 3 butts with the axle core of the side lever 21 of back frame 2 point-blank is consistent play the effect of prevention back frame 2 further hypsokinesis.
In contact carriage 4, parallel vertically connects by connecting plate 42 between the lower end of long wallboard 41,41, be コ word shape, by the lower end of wallboard 41,41 from left and right sides clamping side lever 21, according to the lower surface of connecting plate 42 with and the consistent mode of face of the central shaft phase quadrature of this side lever 21, the mode by welding, screw threads for fastening etc. is fixed on this side lever 21.
On connecting plate 42, offer and be used for the breach 44 that side lever 21 enters.
Under the state of butt between the plate face 33,43 of the connecting plate 42 of the connecting plate 32 of frame support bracket 3 and contact carriage 4, form relative bottom framework 1 side lever 11 rear portion 14 the axle core, the state of the axle core unanimity of the side lever 21 of back frame 2 stops the further hypsokinesis of back frame 2.
Yet, erect if make according to the folding back-rest of the mode that coincides with a portion, be arranged on bottom framework 1 and back frame 2 two side levers 11,11 and 21,21 about separately frame support bracket 3,3 with contact carriage 4,4 butts.Because as previously described, butt between the plate face 33,43 of two carriages 3,4 so even under the situation that two carriages 3,4 misplace slightly along the direction of plate face 33, this plate face 33,43 still can cover this dislocation, stably makes 3,4 butt joints of two carriages.
In addition, owing to the load that acts on the back frame 2 acts on the folding connecting portion 5 as compressive load, so with as the conventional example of Fig. 8, Fig. 9, the occasion that the load of back frame 2 acts on the carriage 70 as bending load is compared, can make the overall dimensions of folding connecting portion 5 reduce weight saving.
In addition, since have connecting plate 32,42 as the plate face 33,43 of the bearing surface of two carriages 3,4 by the wallboard on the side lever 11,21 31,31 and 41,41 at two supports, produce the situation of inclination so can prevent connecting plate 32,42 relative side levers 11,21, or produce crooked situation in the installation site.
Fig. 6 represents another embodiment, wherein, frame support bracket 3 is set on back frame 2, contact carriage 4 is set on bottom framework 1, swivel bearing pin 6 on the frame support bracket 3 extends through the rear end of the side lever 11 of bottom framework 1, and back frame 2 foldably is installed on the bottom framework 1.
Identical with aforesaid way, at the state that back frame 2 is erected, butt between the plate face of frame support bracket 3 and contact carriage 4 keeps the state that erects of back frame 2.
In enforcement of the present invention, under the state that back frame 2 erects, at least one in frame support bracket 3 and the abutting part that contacts carriage 4 can be the plate face.In this occasion, though frame support bracket 3 with contact carriage 4 in produce under the situation of dislocation on the face of quadrature mutually with the butt joint direction, at least one of butt joint be the plate face, thus, this plate face covers this dislocation, and two carriages are docked.
Above explanation be used for that the present invention will be described, should be according to the invention of putting down in writing in claims not be limited, or dwindle the mode of its scope and understand.In addition, the structure of each several part of the present invention is not limited to the foregoing description, obviously, in the technical scope that can put down in writing, carries out various distortion in claims.
Claims (3)
1. joint-stool, its back-rest can be forwards folding with respect to seat portion, and the control bottom framework (1) of its side is connected by folding connecting portion (5) with the control back frame (2) of back-rest side, wherein,
Be provided with frame support bracket (3,3) at bottom framework (1) or back frame (2) two side levers (11,11 or 21,21) about separately by described folding connecting portion (5) side front end, in two frame support brackets (3,3), embed the front end of two side levers (21,21 or 11,11) about another framework, by being supported on each frame support bracket (3,3) pin (6), rise and fall before and after back frame (2) being installed and can being made this back frame (2)
Another framework that does not have frame support bracket (3,3) be provided with can with the contact carriage (4,4) of frame support bracket (3,3) butt,
Has the plate face (33 or 43) that another carriage butt is limited the reclined position of back frame (2) on the carriage of at least one in frame support bracket (3,3) or contact carriage (4,4).
2. joint-stool according to claim 1, wherein,
Frame support bracket (3), the contact carriage (4) all clip side lever (11,21) about have wallboard (31,31 or 41,41),
The connecting plate (32 or 42) that is provided with across wallboard (31,31 or 41,41) is plate face (33 or 43).
3. joint-stool according to claim 1 and 2, wherein,
Frame support bracket (3) with contact both of carriage (4) on be provided with plate face (33,43),
By the face contact each other of plate face, limit the reclined position of back frame (2).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-225765 | 2009-09-30 | ||
| JP2009225765A JP2011072450A (en) | 2009-09-30 | 2009-09-30 | Folding chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102028362A true CN102028362A (en) | 2011-04-27 |
Family
ID=43882234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102534753A Pending CN102028362A (en) | 2009-09-30 | 2010-05-18 | Folding chair |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2011072450A (en) |
| CN (1) | CN102028362A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87102035A (en) * | 1986-06-09 | 1987-12-02 | 凌守澄 | Multifunction easy chair |
| CN2282367Y (en) * | 1997-01-03 | 1998-05-27 | 陈大中 | Folding armchair |
| CN2428021Y (en) * | 1999-11-04 | 2001-05-02 | 邹振雄 | Folding sling chair |
| CN2629549Y (en) * | 2003-04-02 | 2004-08-04 | 林沧泽 | Folding chair |
| CN2729394Y (en) * | 2004-07-23 | 2005-09-28 | 丰韩(厦门)塑胶制品开发有限公司 | Connector for folding rods |
| CN2829488Y (en) * | 2005-08-24 | 2006-10-25 | 欣业企业股份有限公司 | Folding chair with frame joints |
-
2009
- 2009-09-30 JP JP2009225765A patent/JP2011072450A/en not_active Withdrawn
-
2010
- 2010-05-18 CN CN2010102534753A patent/CN102028362A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87102035A (en) * | 1986-06-09 | 1987-12-02 | 凌守澄 | Multifunction easy chair |
| CN2282367Y (en) * | 1997-01-03 | 1998-05-27 | 陈大中 | Folding armchair |
| CN2428021Y (en) * | 1999-11-04 | 2001-05-02 | 邹振雄 | Folding sling chair |
| CN2629549Y (en) * | 2003-04-02 | 2004-08-04 | 林沧泽 | Folding chair |
| CN2729394Y (en) * | 2004-07-23 | 2005-09-28 | 丰韩(厦门)塑胶制品开发有限公司 | Connector for folding rods |
| CN2829488Y (en) * | 2005-08-24 | 2006-10-25 | 欣业企业股份有限公司 | Folding chair with frame joints |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011072450A (en) | 2011-04-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110427 |