CN102687958A - Chair back support linkage device - Google Patents
Chair back support linkage device Download PDFInfo
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- CN102687958A CN102687958A CN2011100771000A CN201110077100A CN102687958A CN 102687958 A CN102687958 A CN 102687958A CN 2011100771000 A CN2011100771000 A CN 2011100771000A CN 201110077100 A CN201110077100 A CN 201110077100A CN 102687958 A CN102687958 A CN 102687958A
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Abstract
The invention relates to a chair back support linkage device comprising a pillar with a bended lower part and a vertical upper part which are connected with each other; a flexible chair back which is provided with an upper end part and a lower end part facing each other, and a waist support part between the two end parts, wherein the lower end part is fixed on the bended part of the pillar; and a support linkage unit which is connected with the back surface of the flexible chair back and is slidingly disposed on the vertical upper part of the pillar. According to the upper-or-lower position of the support linkage unit on the pillar, the flexible chair back is relatively driven to deform correspondingly, and thus the anterior-or-posterior and upper-or-lower positions of the waist support part are adjusted, which provides a human waist with effective support and dependence at any time.
Description
Technical field
The present invention relates to a kind of support linkage, particularly relate to a kind of back support linkage.
Background technology
The chair back is the rear that the is installed in seat support position of human body back (when promptly the taking seat support with respect to), in order to support the back of human body, makes its ride comfort.
The vertebra of human body slightly becomes S shape, that is with regard to the back, and human body is in the waist location portion that slightly is in depression.The chair back is set as outstanding slightly forward waist support portion at the height and position with respect to the human body waist usually, and to withstand the waist of human body, when it was taken, waist relied on to some extent and supports, and in order to protection human body waist, and it is more comfortable that it is taken.
Yet human body is taken when a seat, can because of the height on the human body height differ or because of conversion different take attitude, or put because of changing different seat deep-seateds, make the waist of human body be in different height or front and back position on the seat.
Existing existing convention the chair back normally be fixed with regard to its waist support portion, can't be by adjustment and/or position just before and after it.Sit dark or sitting posture when human body because of changing, when causing its waist to depart from the waist support portion of the chair back, the waist of human body can't obtain the effective dependence and the support of waist support portion, cause the burden of human body waist, and then cause the tired and tired phenomenon of having a pain in the back easily.
Moreover; The chair back of existing convention is not provided with linkage; When human body is taken in seat support and is habitually swung back with its shoulder leaning on back in the top of the chair back; The bottom of the chair back of existing convention also can't be produced the strength of ejection relatively forward by interlock, can't produce a strong support to the expansion dorsal muscles of the waist of human body and both sides thereof, causes the discomfort of human body waist.
This shows that the above-mentioned existing chair back obviously still has inconvenience and defective, and demands urgently further improving in structure and use.In order to solve the problem of above-mentioned existence; Relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly; But do not see always that for a long time suitable design is developed completion, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of novel back support linkage, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Summary of the invention
The objective of the invention is to, provide a kind of and can adjust before and after the waist support portion and the back support linkage of high and low position.
Another object of the present invention is to, provide a kind of and have the interlock effect and can be at any time the back support linkage of effective support be provided the expansion dorsal muscles of the waist of human body or its both sides.
The object of the invention and solve its technical problem and adopt following technical scheme to realize.A kind of chair back support device according to the present invention proposes comprises: a pillar, have the vertical top of a continuous curved lower with one, and an end of curved lower is fixed on the seat support; The one flexible chair back; Have a relative upper end and a bottom and the waist support portion between upper end and bottom; The curved lower of pillar is fixed in the bottom, and the flexible chair back has a surface, a relative back and a front surface, and has a relative left side and a right side; And one support the interlock unit, is mounted on the back surface of the flexible chair back, and is slidedly arranged on the vertical top of pillar.According to supporting the different up and down position that the interlock unit is in pillar, can relatively drive the flexible chair back and do corresponding distortion, and adjust the front and back and the high and low position of waist support portion according to this, make the waist of human body obtain effective support and dependence at any time.
The object of the invention and solve its technical problem and also can adopt following technical measures further to realize.
Aforesaid back support linkage, the vertical top of its B-C post are provided with one and are directly to the chute that extends; Support the interlock unit and include a slide block and a trace group, slide block is slidedly arranged on the chute of pillar, and the trace group has a plurality of traces, and the one of which end comes together in a union body, and union body then is located at slide block.According to slide block different height position and drive the flexible chair back with the trace group and do corresponding distortion on pillar.
Aforesaid back support linkage, wherein union body is hubbed at slide block, makes that the trace group is movable with respect to slide block.
Aforesaid back support linkage, wherein the both sides of slide block respectively have a lug, and each lug respectively is provided with a perforation, and union body is provided with a pivot hole, and a pivot pivot is worn pivot hole and each perforation; Make that according to this trace group can be axle and movable with the pivot.
Aforesaid back support linkage, wherein the outer end of at least one trace of a plurality of traces is floating ground ejection back surfaces in the flexible chair back, supports and give the floating type ejection of human body.
Aforesaid back support linkage; Wherein a plurality of traces are the X-shaped trace; It comprises by union body respectively to one first trace and one second trace of upper left side and upper right side projection, and by union body respectively to one the 3rd trace and one the 4th trace of lower left and lower right projection; The outer end of first trace and second trace is linked to the left side and the right side of upper end on the back surface of the flexible chair back respectively, the outer end of the 3rd trace and the 4th trace then respectively the floating ground ejection in the left side and the right side of the waist support portion on the back surface of the flexible chair back.Those outer ends make it obtain effectively to rely on and support respectively corresponding to the position of human body back both sides shoulder blade and both sides expansion dorsal muscles.
Aforesaid back support linkage; Wherein the outer end of the 3rd trace and the 4th trace respectively is pivoted with an expansion dorsal muscles supporting pad; Its respectively floating ground ejection in the left side and the right side of the waist support portion on the back surface of the flexible chair back, approximately with respect to the position of the expansion dorsal muscles of human body; Regulate according to the rotation of expanding the dorsal muscles supporting pad, can join the change of answering human body sitting posture and do corresponding variation, and provide the flexible chair back to give strong support at any time for the position that human body expands dorsal muscles.
Aforesaid back support linkage, wherein a plurality of traces are Y shape trace, and it comprises by union body respectively to one first trace and one second trace of upper left side and upper right side projection, and by one the 5th trace of union body projection downwards; The outer end of first trace and second trace is linked to the left side and the right side of upper end on the back surface of the flexible chair back respectively, and the outer end floating ground ejection of the 5th trace is in the waist support portion on the back surface of the flexible chair back.Those outer ends make it obtain effectively to rely on and support respectively corresponding to the position of human body back both sides shoulder blade and waist.
Aforesaid back support linkage, wherein the outer end of the 5th trace is pivoted with a waist rest cushion, and its floating ground ejection is in the waist support portion on the back surface of this flexible chair back, approximately with respect to the position of the waist of human body; Regulate according to the rotation of waist rest cushion, can join the change of answering human body sitting posture and do corresponding variation, and provide the flexible chair back to give strong support at any time for the human body waist.
Aforesaid back support linkage, the chute of its B-C post and support between the slide block of interlock unit and be provided with locating unit, the position of being adjusted in order to fixed support interlock unit.
Aforesaid back support linkage; Wherein to comprise a plurality of locating slots that communicate be to be directly to the cell wall that is opened in the chute of pillar to positioning unit with extending; And one reference column for being located at slide block, and corresponding to said a plurality of locating slots, and with the location that fastens of a locating slot wherein.According to the location that engages of the locating slot of reference column and differing heights position, the height and position of adjustment and fixed support interlock unit according to this, and adjust the position of the waist support portion of the flexible chair back according to this.
The present invention compared with prior art has tangible advantage and beneficial effect.By technique scheme; Back support linkage of the present invention has advantage and beneficial effect at least: the present invention can or sit deep-seated and put according to the build of human body or sitting posture; The front and back and the high and low position of adjustment chair back waist support portion; Make the waist of human body can both obtain effective support and dependence at any time, lower the burden of human body waist, and the design that can articulate according to the activity of trace group; Make the outer end of trace provide a steady real floating type ejection to support at any time, and make the human body ride comfort with respect to the waist of human body or the position of expansion dorsal muscles.
In sum, the present invention includes: a pillar has the vertical top with one of a continuous curved lower; The one flexible chair back has a relative upper end and a bottom and the waist support portion between these both ends, and wherein, the bend of pillar is fixed in the bottom; And one support the interlock unit, is linked to the back surface of the flexible chair back, and is slidedly arranged on the vertical top of pillar.According to supporting the upper-lower position that the interlock unit is in pillar, relatively drive the flexible chair back and do corresponding distortion, and adjust the front and back and the high and low position of waist support portion according to this, make the waist of human body obtain effective support and dependence at any time.The present invention has obvious improvement technically, and has tangible good effect, really is the new design of a novelty, progress, practicality.
Above-mentioned explanation only is the general introduction of technical scheme of the present invention; Understand technological means of the present invention in order can more to know; And can implement according to the content of specification, and for let of the present invention above-mentioned with other purposes, feature and advantage can be more obviously understandable, below special act preferred embodiment; And conjunction with figs., specify as follows.
Description of drawings
Fig. 1 is the outside drawing that illustrates according to the back support linkage of the present invention one first embodiment.
Fig. 2 is the exploded view that illustrates back support linkage shown in Figure 1.
Fig. 3 is the rearview that illustrates back support linkage shown in Figure 1.
Fig. 4 is the side view that illustrates back support linkage shown in Figure 1.
Fig. 5 illustrates the wherein decomposing schematic representation of positioning unit of back support linkage shown in Figure 1.
Fig. 6 is the adjustment action sketch map that illustrates back support linkage shown in Figure 4.
Fig. 7 is the exploded view that illustrates according to the back support linkage of the present invention one second embodiment.
Fig. 8 is the rearview that illustrates back support linkage shown in Figure 7.
Fig. 9 is the side view that illustrates back support linkage shown in Figure 7.
The specific embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention; Below in conjunction with accompanying drawing and preferred embodiment; To its specific embodiment of back support linkage, structure, characteristic and the effect thereof that proposes according to the present invention, specify as after.
See also Fig. 1 to Fig. 6, it illustrates respectively according to the outside drawing of the back support linkage of an embodiment of the present invention, exploded view, rearview, side view, the wherein decomposing schematic representation of positioning unit and the adjustment action sketch map that supports linkage.As shown in the figure, the chair back support device of accordinging to an embodiment of the present invention comprises that a pillar 100, the one flexible chair back 200 and supports interlock unit 300.
The flexible chair back 200 is processed with the flexible matter material that can be out of shape.The flexible chair back 200 has a relative upper end 210 and a bottom 220 and between these both ends and to the outstanding waist support portion 230 of seat support 500 directions, and wherein, bottom 200 is a fixing end, and it is fixed in the curved lower 110 of pillar 100.The flexible chair back 200 also has relative surface, a back 240 (being the chair back this surface away from the seat support direction) and a front surface 250 (being this surface of the close seat support direction of the chair back), and have a relative left side 260 and a right side 270.
A plurality of traces of trace group 320 except come together in the one of which end union body 326; The other end of a plurality of traces is that the outer end then is mounted on the back surperficial 240 of the oar property chair back 200, and wherein the outer end of at least one trace is the back surface of floating ground ejection in the oar property chair back.
At 1 Fig. 1 to the embodiment shown in Figure 6; Show that a plurality of traces are an X-shaped trace; It comprises by union body 326 respectively to one first trace 321 and one second trace 322 of upper left side and upper right side projection, and by union body 326 respectively to one the 3rd trace 323 and one the 4th trace 324 of lower left and lower right projection.The outer end of first trace 321 and second trace 322 is linked to the left side 260 and right side 270 (promptly about position corresponding to human body back both sides shoulder blade) of back surperficial 240 upper end 210 of the flexible chair back 200 respectively; The outer end of the 3rd trace 323 and the 4th trace 324 then respectively the floating ground ejection in the left side 260 of back surperficial 240 waist support portion 230 of the flexible chair back 200 and right side 270 (position of promptly about expansion dorsal muscles corresponding to the human body back both sides).According to this, make expansion back of the body famine that back, waist and the both sides thereof of human body are comparatively outstanding and shoulder blade rely on all to some extent and support.
Further; Just support interlock unit 300 wherein with regard to floating type contact of the 3rd trace 323 and the 4th trace 324 and the flexible chair back 200; Be respectively to be pivoted with one to expand dorsal muscles supporting pad 340 in the outer end of the 3rd trace 323 and the 4th trace 324, its respectively floating ground ejection in the left side 260 and right side 270 of back surperficial 240 waist support portion 230 of the flexible chair back 200.According to this; The outer end of the 3rd trace 323 and the 4th trace 324 is to turn at the expansion dorsal muscles position with respect to the oar property chair back 200 pairing human bodies; And give floating type ejection and support; Therefore, the flexible chair back 200 is to do corresponding variation according to the adjustment of human body back attitude at this position, and strong support is provided at any time.
That is; Taking during for example handling official business during the seat; Human body often has half way around body, layback to stretch oneself or adjusts the action of sitting posture because of sitting; Support interlock unit 300 except providing the solid dependence of human body omoplate portion, and can be, and lean on the natural application of force because of human body in the oar property chair back 200 because of trace group 320 and the slide block 310 movable settings that articulate with its first trace 321 and second trace 322; Make that the outer end of the 3rd trace 323 and the 4th trace 324 can be an axle and produce forward an ejection strength relatively with pivot 330; And can regulate with the rotation that 360 of expansion dorsal muscles supporting pad 340 is spent, and surely support the position of the expansion dorsal muscles of human body back maximum region at any time on the spot, make human body very comfortable on taking.
In addition; According to the design of supporting interlock unit 300, its trace group 320 is located at slide block 321 and can be moved with it, when slide block 310 and trace group 320 move up and down when producing vertical displacement; Because the variation of its upright position; Bottom 220 because of the oar property chair back 200 has been fixed again, just can cause the variation of the distance of the oar property chair back 200 horizontal depth directions, thereby makes the position of waist support portion 230 of the oar property chair back 200 produce variation.That is; The user can transfer and support interlock unit 300; Its slide block 310 is slided up and down at the chute 121 of pillar 100; Is fulcrum and relatively drive the flexible chair back 200 with its bottom 220, makes its upper end 210 do corresponding actions and distortion up and down, and makes its waist support portion 230 do the corresponding actions and the distortion of front and back.
Therefore; According to the design of supporting the interlock unit 300 and the oar property chair back 200; Can adjust the front and back and the high and low position of the waist support portion 230 of the oar property chair back 200 according to this, answer the user to sit because of different height or different that deep-seated is put or because of the residing diverse location of the waist that different sitting posture was produced to join.For example; When human body is taken when seat support 500 and its are sat the depths in position, back; The user can up adjust the slide block 310 of the present invention support interlock unit 300 wherein along the chute 121 of pillar 100; And the waist support portion 230 that drives the flexible chair back 200 relatively adjusts backward, to support the human body this moment of waist backward; When human body is taken in the seat depths on the seat support 500 in than the front position time; Then the user can down adjust the slide block 310 of the present invention support interlock unit 300 wherein along the chute 121 of pillar 100; And the waist support portion 230 that drives the flexible chair back 200 relatively adjusts forward, to support the human body this moment of waist forward.Thereby no matter which kind of attitude human body is in or sits deep-seated and put, the adjustment according to supporting interlock unit 300 all can make the waist of human body obtain waist support portion 230 effective support and the dependence of the flexible chair back 200, lowers the burden of human body waist, and makes its ride comfort.
Be to make and support the fixed-site that interlock unit 300 is adjusted, further include locating unit 400, between the slide block 310 of its chute 121 of being located at pillar 100 and support interlock unit 300 according to the back support linkage of one embodiment of the invention.Positioning unit 400 can be to locate automatically or manual positioning.On the embodiment of accompanying drawing; Show that it is to be directly to the cell wall that is opened in the chute 121 of pillar 100 that positioning unit 400 includes a plurality of locating slots 410 that communicate with extending; And one reference column 420 for being located at slide block 310; And corresponding to those a plurality of locating slots, and with the location that fastens of a locating slot 410 wherein.When reference column 420 engages the location with the locating slot 410 of differing heights position, can adjust the also height and position of fixed support interlock unit 300 according to this, and adjust the position of the waist support portion 230 of the flexible chair back 200 according to this.
See also Fig. 7 to Fig. 9, it illustrates exploded view, rearview and side view according to the back support linkage of the present invention one second embodiment respectively.
The structure of second embodiment is similar with first embodiment.Only be to show that a plurality of traces of trace group 320 are a Y shape trace in the middle of second embodiment; It comprises by union body 326 respectively to one first trace 321 and one second trace 322 of upper left side and upper right side projection, and by one the 5th trace 325 of union body 326 projection downwards.The person is identical shown in the structure of first trace 321 and second trace 322 and first embodiment; That is its outer end is linked to the left side 260 and right side 270 (promptly about position corresponding to human body back both sides shoulder blade) of back surperficial 240 upper end 210 of the flexible chair back 200 respectively; The outer end of the 5th trace 325 then the floating ground ejection in back surperficial 240 waist support portion 230 of the flexible chair back 200 (promptly approximately corresponding to the waist position of human body).According to this, make back and the waist of human body rely on all to some extent and support.
Further; Just support interlock unit 300 wherein with regard to floating type contact of the 5th trace 325 and the flexible chair back 200; Be to be pivoted with a waist rest cushion 350 in the outer end of the 5th trace 325, its floating ground ejection is in back surperficial 240 waist support portion 230 of the flexible chair back 200.According to this; The outer end of the 5th trace 325 is to turn at the waist position with respect to the oar property chair back 200 pairing human bodies; And give floating type ejection and support; Therefore, the flexible chair back 200 is to do corresponding variation according to the adjustment of human body back attitude at this position, and strong support is provided at any time.
That is; Taking during for example handling official business during the seat, human body often has half way around body, layback to stretch oneself or adjusts the action of sitting posture because of sitting, supports interlock unit 300 except providing the solid dependence of human body omoplate portion with its first trace 321 and second trace 322; And can be because of trace group 320 and the slide block 310 movable settings that articulate; And, make that the outer end of the 5th trace 325 can be an axle and produce forward an ejection strength relatively with pivot 330, and can regulate with the rotation of 360 degree of Waist protection pad 350 because of human body leans in the flexible chair back 200 natural application of forces; And the steady at any time waist that supports human body on the spot makes human body very comfortable on taking.
Support linkage according to the chair back of an embodiment of the present invention; Can or sit deep-seated and put according to the build of human body or sitting posture, the front and back and the high and low position of adjustment chair back waist support portion make the waist of human body can both obtain effective support and dependence at any time; Lower the burden of human body waist; And the design that can articulate according to the activity of trace group, make the outer end of trace provide a steady real floating type ejection to support at any time, and make the human body ride comfort with respect to the waist of human body or the position of expansion dorsal muscles.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction; Though the present invention discloses as above with preferred embodiment; Yet be not in order to limiting the present invention, anyly be familiar with the professional and technical personnel, in not breaking away from technical scheme scope of the present invention; When the technology contents of above-mentioned announcement capable of using is made a little change or is modified to the equivalent embodiment of equivalent variations; In every case be the content that does not break away from technical scheme of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.
Claims (11)
1. back support linkage is characterized in that it comprises:
One pillar has the vertical top with one of a continuous curved lower, and an end of this curved lower is fixed on the seat support;
The one flexible chair back has a relative upper end and a bottom and the waist support portion between this upper end and this bottom, and the curved lower of this pillar is fixed in this bottom; And this flexible chair back has relative a surface, a back and a front surface, and has a relative left side and a right side; And
One supports the interlock unit, is mounted on the back surface of this flexible chair back, and is slidedly arranged on the vertical top of this pillar.
2. back support linkage according to claim 1, the vertical top that it is characterized in that wherein said pillar are provided with one and are directly to the chute that extends; This support interlock unit includes a slide block and a trace group, and this slide block is slidedly arranged on the chute of this pillar, and this trace group has a plurality of traces, and the one of which end comes together in a union body, and this union body is located at this slide block.
3. back support linkage according to claim 2 is characterized in that wherein said union body is hubbed at this slide block.
4. back support linkage according to claim 3 is characterized in that the both sides of wherein said slide block respectively have a lug, and respectively this lug respectively is provided with a perforation, and this union body is provided with a pivot hole, and a pivot pivot is worn this pivot hole and respectively this perforation.
5. back support linkage according to claim 3, the outer end that it is characterized in that at least one trace of wherein said a plurality of traces are the back surface of floating ground ejection in this flexible chair back.
6. back support linkage according to claim 5; It is characterized in that wherein said a plurality of trace is the X-shaped trace; It comprises by this union body respectively to one first trace and one second trace of upper left side and upper right side projection, and by this union body respectively to one the 3rd trace and one the 4th trace of lower left and lower right projection; The outer end of this first and second trace is linked to the left side and the right side of upper end on the back surface of this flexible chair back respectively, the outer end of the 3rd trace and the 4th trace respectively the floating ground ejection in the left side and the right side of the waist support portion on the back surface of this flexible chair back.
7. back support linkage according to claim 6; The outer end that it is characterized in that wherein said the 3rd trace and the 4th trace respectively is pivoted with an expansion dorsal muscles supporting pad, and respectively should expand the ejection of dorsal muscles supporting pad difference floating ground in the left side and the right side of the waist support portion on the back surface of this flexible chair back.
8. back support linkage according to claim 5; It is characterized in that wherein said a plurality of trace is a Y shape trace; It comprises by this union body respectively to one first trace and one second trace of upper left side and upper right side projection, and by one the 5th trace of this union body projection downwards; The outer end of this first trace and second trace is linked to the left side and the right side of upper end on the back surface of this flexible chair back respectively, and the outer end floating ground ejection of the 5th trace is in the waist support portion on the back surface of this flexible chair back.
9. back support linkage according to claim 8 is characterized in that the outer end of wherein said the 5th trace is pivoted with a waist rest cushion, and this waist rest cushion floating ground ejection is in the waist support portion on the back surface of this flexible chair back.
10. back support linkage according to claim 2 is characterized in that being provided with locating unit between the slide block of chute and this support interlock unit of wherein said pillar.
11. back support linkage according to claim 10; It is characterized in that it is to be directly to the cell wall that is opened in the chute of pillar that wherein said positioning unit comprises a plurality of locating slots that communicate with extending; And one reference column for being located at this slide block; And corresponding to said a plurality of locating slots, and with the location that fastens of a locating slot wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100771000A CN102687958A (en) | 2011-03-25 | 2011-03-25 | Chair back support linkage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100771000A CN102687958A (en) | 2011-03-25 | 2011-03-25 | Chair back support linkage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102687958A true CN102687958A (en) | 2012-09-26 |
Family
ID=46853832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100771000A Pending CN102687958A (en) | 2011-03-25 | 2011-03-25 | Chair back support linkage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102687958A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104223823A (en) * | 2013-06-06 | 2014-12-24 | 富浩办公家具有限公司 | Chair able to adjust waist support force |
| CN104665321A (en) * | 2013-11-29 | 2015-06-03 | 卓嶽股份有限公司 | Chair back support and adjustment structure |
| CN105682511A (en) * | 2013-10-29 | 2016-06-15 | 株式会社冈村制作所 | Chair |
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Application publication date: 20120926 |