CN2334259Y - Chair with vertical movable seat and inclining back - Google Patents
Chair with vertical movable seat and inclining back Download PDFInfo
- Publication number
- CN2334259Y CN2334259Y CN 97229549 CN97229549U CN2334259Y CN 2334259 Y CN2334259 Y CN 2334259Y CN 97229549 CN97229549 CN 97229549 CN 97229549 U CN97229549 U CN 97229549U CN 2334259 Y CN2334259 Y CN 2334259Y
- Authority
- CN
- China
- Prior art keywords
- chair
- support
- axis
- supporting construction
- backrest
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model relates to a chair. A chair seat 6 is connected to a supporting structure of the chair by connecting elements 11, 12 of a parallel four-rod mechanism, and can move between the low level and the high level which are basically mutually parallel. A back 7 is rigidly connected to a back connecting element 12, which causes the back to be in a vertical position when the chair seat is in the state of low level, and causes the back to be in an inclining backwards position when the chair seat is in the state of high level, and the back can move between the vertical position and the inclining backwards position. The two connecting elements 11, 12 of the parallel four-rod mechanism are respectively connected to the supporting structure of the chair and two auxiliary supporting racks 9, 10 on the chair seat 6. The mechanism can form a device which can be assembled in advance, and the simple and reliable structure can be provided.
Description
The utility model relates to the chair that has vertical movable seat support and inclination backrest, particularly, the utility model relates to the chair of the above-mentioned type, wherein, seat support can move between a low level that is parallel to each other basically and a high position, lay respectively at upright substantially position and sweptback position at this position backrest, also have device to stand up position bias voltage backrest.
Ergonomic research and test shows, big more to the power of its stand up position bias voltage backrest when the people's who is seated weight is heavy more with regard to needing, so that excellent comfortableness to be provided.For example resemble office chair like this some complicated and thereby the higher and baroque chair of cost in, the motion that the device of regulating described spring assembly load is provided has been arranged, be used for to its stand up position bias voltage backrest.As indicated like that this type of technical scheme has complex structure and the high shortcoming of cost on the one hand, on the other hand and be not suitable for being called as the chair of public type.Public type is meant and is used in as public arenas such as cinema, theatre, auditorium, meeting rooms, and samely chair is had different people sits, and is unacceptable and require each new comer all chair itself to be adjusted operation.
Main purpose of the present utility model is to provide a kind of chair that has vertical movable seat support and inclination backrest, be proportional to the people's who is seated weight, regulate the biasing force that the inclination backrest acts on the people's who is seated back automatically, and, its structure is very simple, makes cheap.
For achieving the above object, the utility model provides a kind of chair, it is characterized in that, has:
Supporting construction,
Seat support is connected on the supporting construction by at least one parallelogram lindage, so that can between a low level that is parallel to each other basically and a high position, move,
Backrest, pivotally connected on the supporting construction of chair, move between the position so that can and recede in basic stand up position,
Described parallelogram lindage has preceding connector and rear connectors, and they are hinged on the supporting construction around the first axle and second axis respectively,
Connector and rear connectors also are operatively coupled on the seat support of chair around the 3rd axis and four axistyle respectively substantially before described,
Under seat support was in low-end trim, described third and fourth axis was positioned at the place ahead of described first and second axis, be spaced from each other,
Described parallelogram lindage also has connecting rod, its end substantially before the 5th and the 6th axis is operatively coupled on connector and the rear connectors,
Under seat support was in low-end trim, the described the 5th and the 6th axis laid respectively at the below of described first and second axis, be spaced from each other,
Described backrest is rigidly connected on the described rear connectors, makes that backrest is in its stand up position under seat support is in low-end trim,
Described parallelogram lindage also has the helical spring around described connecting rod, be in axially on block piece that connecting rod supports and the supporting construction that is fixed in chair by between the wall, so that described spring is tending towards seat support is remained in its low level and backrest is remained in its stand up position
Connector and rear connectors directly are connected on first and second auxiliary stands before described, auxiliary stand then is separately fixed on the supporting construction and seat support of chair, make described auxiliary stand and the assembly that is arranged on parallelogram lindage therebetween with and different parts constitute the device that can assemble in advance together.
When the people who occupies chair is leaning to backrest and recede backrest, backrest applies reaction force at the people's who is seated back, and can regulate automatically as the function of the people's that is seated weight, and this weight is tending towards towards low level pushing seat support and thereby towards its stand up position pushing backrest.
In preferred embodiment of the present utility model, first auxiliary stand is formed by the metal long slab, and two pairs of parallel end ears are arranged in its end, perpendicular to this long slab, is used for around described first connector of the described first and second axis pivotal support and second connector.Described second auxiliary stand is formed by plastic slat, has two opposite end ears, is used for pivotally connected at described two connectors.The front ends ear of described lath has groove, combine with the end of transverse bolt, and transverse bolt is supported by preceding connector, and described transverse bolt is supported with runner rotationally, and runner contacts with the lower surface of described lath.
In described preferred embodiment, described preceding connector is made of working of plastics.Described rear connectors is made of the U-shaped metallic support, have rear wall and two parallel wing plates that extend forward from rear wall, described wing plate is hinged on two posterior end ears of the described support on the supporting construction that is fixed in chair around described second axis, the contiguous described rear wall of described second axis also has around described four axistyle and two wing plates is hinged on end on the described plastic slat.At least one wing plate that forms the described U-shaped support of rear connectors has annex, be used for the described support that is positioned at the supporting construction that is fixed on chair on the stop surface co-operating, limit the low level of chair.The rear wall of described U-shaped support and be fixed in the stop surface that support on the supporting construction of chair has mutual co-operating limits the high position of seat support.In addition, the rear wall of described U-shaped support has the hole, is used for fixing the combination of the screw of backrest structure.
In described preferred embodiment, two wing plates of described U-shaped support support transverse bolts, and the key seat on the back of transverse bolt and working of plastics combines, and working of plastics is connected the rear end of described auxiliary connecting rod.
Because above-mentioned all characteristics, can finish above-mentioned purpose according to chair of the present utility model, promptly with a kind of very simple, reliable and cheap structure with the function as the people's who is seated weight, is regulated the biasing force of backrest automatically.
Other structure of the present utility model and advantage can clearly draw by specification and with reference to accompanying drawing, and accompanying drawing is the determinate example of right and wrong only, wherein,
Fig. 1 is the schematic side elevation according to chair of the present utility model.
Fig. 2 is the part transversal perspective view of formation according to the mechanism of the part of chair of the present utility model.
Fig. 3 is the longitudinal sectional view of mechanism under first mode of operation among Fig. 2.
Fig. 4 is corresponding to the cutaway view of the mechanism shown in Fig. 3 under another mode of operation.
Fig. 5 is the vertical view of mechanism among Fig. 3.
Fig. 6 is the cutaway view along IV among Fig. 3-IV line.
Fig. 7-Figure 10 is along VII among Fig. 3-VII line, VIII-VIII line, IX-IX line, the cutaway view of X-X line.
Below with reference to Fig. 1 and Fig. 2, Reference numeral 1 refers generally to a chair, comprises supporting construction 2, and in described example, supporting construction 2 is included in the top and is connected two forelegs 3 and two back legs 4 on the supporting construction 5.Reference numeral 6 refers generally to seat support, and it is connected to (connected mode aftermentioned) on the supporting construction 5, so that motion between the low level that is parallel to each other substantially (among Fig. 1 shown in the dotted line) and high-order (among Fig. 1 shown in the solid line).Chair comprises that also a structure is for being hinged to the backrest 7 on the supporting construction 5 (articulated manner aftermentioned), so that be in motion between basic stand up position (among Fig. 1 shown in the dotted line) and the position that recedes (solid line among Fig. 1) at backrest 7, this moment, seat support 6 was in a low level and a high position respectively.
In the situation of embodiment shown in Figure 2, seat support 6 and backrest 7 two jockeys 8 (only illustrating among the figure) below seat support are connected on the supporting construction 5 of chair, and the middle vertical plane of two jockey 8 relative chairs is in symmetric position.Only show a device 8 among the figure, and the middle vertical plane of another such relative chair as indicated is symmetrical arranged, and has identical structure.Certainly, according to the utility model, at the middle part jockey 8 is set and also is fine.
In Fig. 2-Figure 10, each device 8 comprises first auxiliary stand 9 on the supporting construction 5 that is connected to chair rigidly, be connected to second auxiliary stand 10 below the seat support 6 and be connected support 9 and support 10 between parallelogram lindage so that seat support 6 can move between a low level and a high position.
Referring to Fig. 3, Fig. 4, parallelogram lindage comprises a preceding connector 11 and a rear connectors 12 especially, and they are hinged on the support 9 around the first axle A and the second axis B respectively, and support 9 then is fixed on the supporting construction 5 of chair.Connector 11,12 also is operably connected on the support 10 around the 3rd axis C and four axistyle D substantially, and support 10 then is fixed on the seat support 6 of chair.
Under the situation of illustrated embodiment, support 9 is formed by the metal elongated slot, has two opposite end ear 9a parallel to each other, 9b (seeing Fig. 2,7,10).The diapire of elongated slot 9 has eyelet, is used for being connected to by connector (as screw) supporting construction 5 of chair.Two front ends ear 9a are supporting a transverse bolt 14 (Fig. 3,5,10), and connector 11 is around the rotation of first axle A before being used for rotatably supporting, and preceding connector 11 is formed by plastic monoblock.
The posterior end ear 9b of support 9 is supporting and is selling 15, pin 15 is supporting rear connectors 12 rotationally around the second axis B, shown in the situation of example under, rear connectors 12 is formed by the U-shaped metallic support, has rear wall 12a and two that extend forward from rear wall 12a parallel wing plate 12b.
With reference to shown in embodiment, the support 10 that is fixed on the seat support 6 is formed by plastic slat, has the plane of vertical slats 10 and the two opposite end ear 10a that give prominence to downwards, 10b.Lath 10 has two place's recesses, is used for admitting the pin that stretches out from seat support 6 downwards with the shape (not shown) that matches, and also has bottom outlet 17, is used for being connected to seat support by connector (as screw).
Two front ends of the wing plate 12b of rear connectors 12 are equipped with transverse bolt 18, are used for the rear end of lath 10 pivotally connected around axis D.The front ends ear 10a of lath 10 has groove 19, is used for the end of engage lateral pin 20 (Fig. 2,3), and transverse bolt 20 is being supported by the working of plastics of preceding connector 11.Transverse bolt 20 is used to support runner 21, and runner 21 contacts with the lower surface of lath 10, so that provide a kind of connector 11 to be connected with the effective of lath 10, is equal to hinged around axis C basically.
Also include connecting rod 22 by preceding connector 11 and rear connectors 12 being installed in the parallelogram lindage that forms between the support 10 on support 9 that is fixed on the chair supporting structure and the seat support 6 that is fixed on chair, connecting rod 22 is substantially around the 5th axis and the 6th axis E, F and pivotally connected with preceding connector 11 and rear connectors 12.
In described example, connecting rod 22 is formed by plate, and an end of plate is connected on the connector 11 by transverse bolt 23 (Fig. 3,10).The middle body of plate 22 is cut into three overlapping bar bodies 24, and they are to vertical midplane both sides bending of plate, forms betwixt in conjunction with the connector of the metapore 17 of lath 10 free space by usefulness.The rear end of plate 22 has working of plastics 25 (Fig. 3,7), the rear surface of working of plastics 25 has semicircular key seat 26, be slidingly connected with transverse bolt 27, two wing plate 12b of rear connectors 12 are supporting transverse bolt 27, rear connectors 12 be operatively coupled on the plate 22 around the pivotally connected mode that is equal to of axis F.
Because parallelogram lindage is installed between lath 10 and the support 9, the lath 10 thereby just seat support of chair is with respect to support 9 thereby just can move between a low level shown in Figure 3 and a high position shown in Figure 4 with respect to chair supporting structure 5, a described low level and a high position are parallel to each other basically.From the wing plate 12b of rear connectors 12 downwards the curved edges of two outstanding annexes 29 can be resisted against on the plain cushion 30 of systems such as the rubber that is fixed on the sheet material that forms support 9, plastics along 28, limit the low level of seat support with this.
The qualification of the high position of seat support is that the lower edge by the rear wall 12a of rear connectors 12 is resisted against (Fig. 4) that realize on the back edge of support 9.Rear wall 12a has by screw backrest structure is combined in the hole of using on the rear connectors 12 31, and screw combines with the nut 32 that is arranged in the housing 33 that links to each other with rear wall 12a.In this way, back is rigidly connected on the rear connectors 12, therefore, can rotate with respect to chair supporting structure 5 pivots around axis B.
As from Fig. 3 was clear that, be in low level at seat support, when being in stand up position corresponding to backrest, the 3rd, four axistyle C, D be located substantially on the place ahead of the first and second axis A, B, be spaced from each other; And the 5th and the 6th axis E, F are positioned at the below of the first and second axis A, B, are spaced from each other.
When nobody occupies chair, illustrated that spring 34 remains on state shown in Figure 3 with structure.Be sitting on the chair and leaning to backrest so that backrest when receding as the people, this inclination just continues to change to state shown in Figure 4, is equivalent to seat support and is in a high position.Because backrest is rigidly connected on the rear connectors 12 of parallelogram lindage, so on each position of seat support and backrest, the active force that backrest acts on the user all is proportional to the people's who is seated weight.In fact, act on the seat support 6 and thereby be that the weight that acts on the lath 10 trends towards reducing the latter, and then make backrest change to its stand up position.
Like this, just reached the purpose that energy is automatically regulated the active force of backrest as the function of the people's who is seated weight, its structure is very simple and cheap.According to the utility model, a kind of public chair that is suitable for particularly is provided, for example theatre, cinema, auditorium, meeting room etc. need guarantee the comfortableness of the people's that is seated excellence in this kind occasion.Also, can not force the people of each seat of newly arriving all on chair itself, to carry out adjustment work by a kind of low-cost configuration.Certainly, chair of the present utility model also can be used for comprising the chair of any kind of office chair or home-use chair.
The detailed structure of having described helps to provide especially effectively and reliably operating of relevant chair.
Clearly, the example that is equivalent to foregoing description and only is used to illustrate, though the details of structure and embodiment can carry out very big variation, principle of the present utility model is constant, does not depart from scope of the present utility model.
Claims (10)
1. one kind has vertically the movably chair of seat support and inclination backrest, it is characterized in that having:
Supporting construction (5),
Seat support (6) is connected on the supporting construction (5) by at least one parallelogram lindage (11,12), so that can between a low level that is parallel to each other basically and a high position, move,
Backrest (7), pivotally connected on supporting construction (5), move between the position so that can and recede in basic stand up position,
Described parallelogram lindage has preceding connector (11) and rear connectors (12), and they are hinged on the supporting construction (5) around first axle (A) and second axis (B) respectively,
Before described connector (11) and rear connectors (12) also distinguish substantially around the 3rd axis and four axistyle (C D) is operatively coupled on the seat support (6) of chair,
Under seat support is in low-end trim, described third and fourth axis (C, D) be positioned at described first and second axis (A, the place ahead B) is spaced from each other,
Described parallelogram lindage also has connecting rod (22), its end substantially around the 5th and the 6th axis (E F) is operatively coupled on preceding connector (11) and the rear connectors (12),
Be under the low-end trim at seat support (6), the described the 5th and the 6th axis (E, F) be positioned at substantially respectively described first and second axis (A, below B) is spaced from each other,
Described backrest (7) is rigidly connected on the described rear connectors (12), makes that backrest is in its stand up position under seat support is in low-end trim,
Described parallelogram lindage also has the helical spring (34) around described connecting rod (22), be in leaning between the wall (36) on block piece (35) that connecting rod (22) supported and the supporting construction (5) that is fixed in chair axially, so that described spring (34) is tending towards seat support (6) is remained in its low level and backrest (7) is remained in its stand up position
Connector (11) and rear connectors (12) directly are connected first and second auxiliary stands (9 before described, 10) on, and auxiliary stand (9,10) then be separately fixed on the supporting construction (5) and seat support (6) of chair, make described auxiliary stand (9,10) and be arranged on therebetween parallelogram lindage (11,12) with and different parts constitute the device that can assemble in advance together.
2. chair as claimed in claim 1 is characterized in that, described first auxiliary stand (9) is formed by the metal elongated slot, two couples of parallel end ear (9a are arranged in its end, 9b), be used for around described first and second axis (A, B) described preceding connector (11) of pivotal support and rear connectors (12).
3. chair as claimed in claim 2 is characterized in that, described second auxiliary stand (10) is formed by plastic slat, and (10a 10b), is used for pivotally connected on described two connectors (11,12) to have two opposite end ears.
4. chair as claimed in claim 3, it is characterized in that, two front ends ears (10a) of described lath (10) have groove (19), combine with the end of transverse bolt (20), and transverse bolt (20) is supported by preceding connector (11), described transverse bolt (20) is supported with runner (21), and runner (21) contacts with the lower surface of described lath (10).
5. chair as claimed in claim 4 is characterized in that, described preceding connector (11) is made of working of plastics.
6. chair as claimed in claim 3, it is characterized in that, described rear connectors (12) is propped up by U-shaped and is configured to, have rear wall (12a) and two the parallel wing plates (12b) that extend forward from rear wall (12a), described wing plate (12b) is hinged on two posterior end ears (9b) of the described support (9) on the supporting construction (5) that is fixed in chair around described second axis (B), the contiguous described rear wall (12a) of described second axis (B) also has around described four axistyle (D) and two wing plates (12b) is hinged on end on the described plastic slat (10).
7. chair as claimed in claim 6, it is characterized in that, at least one wing plate (12b) that forms the described U-shaped support of rear connectors (12) has annex (29), be used for and stop surface (30) co-operating that is positioned on the described support (9) of the supporting construction (5) that is fixed on chair, limit the low level of chair.
8. chair as claimed in claim 6 is characterized in that, the rear wall (12a) of described U-shaped support (12) and be fixed in the stop surface that support (9) on the supporting construction (5) of chair has mutual co-operating limits the high position of seat support.
9. chair as claimed in claim 6 is characterized in that, the rear wall of described U-shaped support (12) has hole (31), is used for fixing the combination of the screw of backrest structure (7).
10. chair as claimed in claim 9, it is characterized in that, two wing plates (12b) of described U-shaped support (12) support transverse bolt (27), and the key seat (26) on the back of transverse bolt (27) and working of plastics (25) combines, and working of plastics (25) is connected the rear end of described auxiliary connecting rod (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97229549 CN2334259Y (en) | 1997-11-20 | 1997-11-20 | Chair with vertical movable seat and inclining back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97229549 CN2334259Y (en) | 1997-11-20 | 1997-11-20 | Chair with vertical movable seat and inclining back |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2334259Y true CN2334259Y (en) | 1999-08-25 |
Family
ID=33942313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97229549 Expired - Lifetime CN2334259Y (en) | 1997-11-20 | 1997-11-20 | Chair with vertical movable seat and inclining back |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2334259Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100588344C (en) * | 2005-04-28 | 2010-02-10 | 伊马克公司 | Be used for regulating the equipment of office chair mechanisms rear leaning force |
| CN103202627A (en) * | 2012-01-13 | 2013-07-17 | 雅诗立家具工业公司 | Furniture assembly jig |
| US9346152B2 (en) | 2012-01-13 | 2016-05-24 | Ashley Furniture Industries, Inc. | Furniture assembly jig |
| CN108835986A (en) * | 2018-07-04 | 2018-11-20 | 合肥欧语自动化有限公司 | A kind of chair that intelligence can be adjusted by gravity |
-
1997
- 1997-11-20 CN CN 97229549 patent/CN2334259Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100588344C (en) * | 2005-04-28 | 2010-02-10 | 伊马克公司 | Be used for regulating the equipment of office chair mechanisms rear leaning force |
| CN103202627A (en) * | 2012-01-13 | 2013-07-17 | 雅诗立家具工业公司 | Furniture assembly jig |
| US9346152B2 (en) | 2012-01-13 | 2016-05-24 | Ashley Furniture Industries, Inc. | Furniture assembly jig |
| CN103202627B (en) * | 2012-01-13 | 2018-01-16 | 雅诗立家具工业公司 | Furniture construction assembly fixture and the method assembled to furniture item |
| CN108835986A (en) * | 2018-07-04 | 2018-11-20 | 合肥欧语自动化有限公司 | A kind of chair that intelligence can be adjusted by gravity |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU736690B2 (en) | A constant center of gravity tiltable chair of a wheelchair | |
| US5887946A (en) | Chair with movable back support | |
| US7850241B1 (en) | Nestable and stackable chair | |
| US9022473B2 (en) | Rocker recliner mechanism with changeable features | |
| US4938532A (en) | Seating apparatus | |
| US5452937A (en) | Plate for connecting the seat, back and legs, especially for chairs | |
| AU745182B2 (en) | Gliding seating unit with hinged gliding members | |
| EP1559348A2 (en) | Flexible chair with post base | |
| CN2334259Y (en) | Chair with vertical movable seat and inclining back | |
| AU2003288807B2 (en) | A mobile joint suitable for a sitting device | |
| CA2231701A1 (en) | Rocking gliding chair | |
| CN210227465U (en) | Adjustable lying and sitting integrated chair | |
| RU2732756C1 (en) | Seat module and tilting mechanism | |
| US5378039A (en) | Torsion spring and adjustable mounting for chair | |
| JPS6045306A (en) | Chair | |
| CN2684651Y (en) | Chair with adjustable seat plate | |
| KR102233735B1 (en) | Tiltable sofa | |
| US3284133A (en) | Device for pivoted connection of two parts | |
| CN2627335Y (en) | Improvement for parasols supporting construction with multidirectional regulation | |
| CN214207806U (en) | Chair and self-loading tray thereof | |
| US3870364A (en) | Reclinable chairs and seats | |
| CN215874034U (en) | Four-bar chair frame structure | |
| CN211722474U (en) | Chair frame | |
| CN211722455U (en) | Chair rack | |
| CN113520089A (en) | Four-bar chair frame structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |