CN203692988U - Elastic chassis structure of arm-chair - Google Patents
Elastic chassis structure of arm-chair Download PDFInfo
- Publication number
- CN203692988U CN203692988U CN201320887670.0U CN201320887670U CN203692988U CN 203692988 U CN203692988 U CN 203692988U CN 201320887670 U CN201320887670 U CN 201320887670U CN 203692988 U CN203692988 U CN 203692988U
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- tray rack
- chair
- spring
- bar
- arm
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- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000009471 action Effects 0.000 claims description 9
- 230000003028 elevating effect Effects 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 206010042674 Swelling Diseases 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model discloses an elastic chassis structure of an arm-chair. The structure comprises a tray rack, a backrest fixing rack, a locking mechanism and a pneumatic spring, wherein the backrest fixing rack is rotationally mounted on the tray rack through a fixed shaft; arc grooves are formed in two side walls of the tray rack; the arc grooves are coaxial with the fixed shaft; a sliding shaft is connected between two sides of the backrest fixing rack; a sliding shaft penetrates into the arc grooves; two ends of the fixed shaft are respectively connected with two sides of the backrest fixing rack; the fixed shaft is sleeved with a torsional spring; one connecting end of the torsional spring is connected with the tray rack; another connecting end of the torsional spring is connected with the backrest fixing rack; two ends of the pneumatic spring are respectively hinged with the backrest fixing rack and the tray rack. By adopting the structure, the back of a user can be continuously and uniformly supported, the feeling of unsmooth resistance is avoided, and the use feeling of the user is improved.
Description
Technical field
The utility model relates to a kind of structure of chair, particularly a kind of arm-chair elasticity chassis structure.
Background technology
Chair structure on market is various, the wherein seat of adjustable chair back angles, with its comfortable posture, be subject to increasing consumer's favor, this seat of lying down mainly relies on rotation connection structure and the retaining mechanism between the fixing pallet of chair base and the chair back fixed mount of the fixing chair chair back to realize the function at its lie down chair back and adjusting back angle of inclination, and torsion spring can be installed in the rotating shaft of chair back fixed mount conventionally, torsion spring produces certain bounce-back moment of torsion in the process of rotating, thereby allow user in the process of lying down, the chair back can be given and certain back-supported, and unclamping after retaining mechanism, torsion spring also can allow the chair back automatically recover vertical state.But between the torsion producing in twist process due to torsion spring and the angle of rotation, be nonlinear, the back-supported dynamics that therefore offers user is inhomogeneous, allows user have a kind of resistance sense having some setbacks, and experience is poor.
Utility model content
The purpose of this utility model is to overcome above shortcomings in prior art, and a kind of reasonable in design is provided, and can give with user and continue even back-supported, and raising user uses the arm-chair elasticity chassis structure of impression.
The technical scheme in the invention for solving the above technical problem is:
This arm-chair elasticity chassis structure, comprise tray rack, chair back fixed mount and locking mechanism, described chair back fixed mount is arranged on tray rack by fixed-axis rotation, on the two side of tray rack, offer arc groove, arc groove and dead axle are coaxially set, between the both sides of chair back fixed mount, be connected with slide-bar, described slide-bar penetrates arc groove, the two ends of described dead axle are connected with the both sides of chair back fixed mount respectively, on dead axle, be arranged with torsion spring, wherein torsion spring link is connected with tray rack, another link of torsion spring is connected with chair back fixed mount, also comprise air spring, the two ends of described air spring are hinged chair back fixed mount and tray rack respectively.
As preferably, this arm-chair elasticity chassis structure also comprises connecting rod, and the both sides of described chair back fixed mount offer connecting hole, connecting rod penetrates described connecting hole, one end of air spring is hinged on connecting rod, and the other end of air spring is hinged on slide-bar, and air spring is arranged in tray rack.
As preferably, this arm-chair elasticity chassis structure also comprises connecting rod, and the both sides of described chair back fixed mount offer connecting hole, and connecting rod penetrates described connecting hole, the external part stretching out from connecting hole on connecting rod and one end of air spring are hinged, and the other end of air spring is hinged on the end of slide-bar.
As preferably, on described dead axle, overlap and have spring housing, torsion spring set is on spring housing, and a link top of torsion spring is pressed on the fixed head of tray rack, and another link top of torsion spring is pressed on slide-bar.
As preferably, described spring housing by axle sleeve and axle sleeve circumferentially evenly spacer bar spaced apart form.
As preferably, described locking mechanism comprises guide shaft, right limit cylinder, slide plate, stator, left limit cylinder, sleeve, spring and action bars, right limit cylinder, stator, left limit cylinder, sleeve and spring are set on guide shaft successively, on slide-bar, be rotationally connected multi-disc slide plate, on slide plate, offer chute, described guide shaft is slidably arranged on tray rack and is placed in chute, the alternate setting of stator and slide plate, one end of guide shaft is fixed with the first catch, sleeve is fixed on tray rack, action bars rotates on sleeve by bar axle, on action bars, there are two the first working face and the second working faces that act on described the first catch, one end of left limit cylinder is fixed with the second catch, on sleeve, offer through hole, the other end of left limit cylinder passes from described through hole, one end of left limit cylinder is placed in sleeve, the two ends of described spring act on respectively the first catch and the second catch, distance between the axis of the first working face and bar axle is less than the distance between the second working face and the axis of bar axle.
As preferably, on described tray rack, be also provided with elevating lever mount pad and lift adjustment handle.
The utility model compared with prior art, has the following advantages and effect:
1) by air spring is set, air spring is in the process of strain, speed is relatively slow, dynamic force changes little, therefore when in the process that chair back fixed mount rotates relative to tray rack, air spring can be given with user and continue uniform back-supported, avoid slack resistance sensation, improved user and use impression.
2) air spring is connected with slide-bar by connecting rod, and is arranged on the inside of tray rack, has protected air spring not easily damaged, again, has maintained overall appearance.
3) air spring is connected with slide-bar by connecting rod, and is arranged on the side of tray rack, is easy for installation and removal.
4) retaining mechanism of employing compression type, simple to operate, sound construction, good reliability.
5) elevating function installing component is set, to be applicable to both liftables, the Chair structure that can lie down again.
Accompanying drawing explanation
Fig. 1 is the perspective view of the utility model embodiment 1.
Fig. 2 is the main TV structure schematic diagram of the utility model embodiment 1.
Fig. 3 is the right TV structure schematic diagram of the utility model embodiment 1.
Fig. 4 is the partial structurtes schematic diagram of the utility model embodiment 1.
Fig. 5 is the broken section structural representation of the utility model embodiment 1.
Fig. 6 is the operation lever structure schematic diagram of the utility model embodiment 1.
Fig. 7 is the perspective view of the utility model embodiment 2.
Fig. 8 is the structural representation of the utility model embodiment 3.
The specific embodiment
Below in conjunction with accompanying drawing and by embodiment, the utility model is described in further detail, and following examples are to explanation of the present utility model and the utility model is not limited to following examples.
Embodiment 1
Referring to Fig. 1-Fig. 6, arm-chair elasticity chassis structure, comprise tray rack 1, chair back fixed mount 2, locking mechanism, connecting rod 6 and air spring 17, chair back fixed mount 2 is rotatably installed on tray rack 1 by dead axle 3, on the two side of tray rack 1, offer arc groove 21, arc groove 21 and dead axle 3 are coaxially set, between the both sides of chair back fixed mount 2, be connected with slide-bar 4, slide-bar 4 penetrates arc groove 21, the two ends of dead axle 3 are connected with the both sides of chair back fixed mount 2 respectively, on dead axle 3, cover has spring housing 5, torsion spring 18 is enclosed within on spring housing 5, a link top of torsion spring 18 is pressed on the fixed head of tray rack 1, another link top of torsion spring 18 is pressed on slide-bar 4.The both sides of chair back fixed mount 2 offer connecting hole, and connecting rod 6 penetrates connecting hole, and one end of air spring 17 is hinged on connecting rod 6, and the other end of air spring 17 is hinged on slide-bar 4, and air spring 17 is arranged in tray rack 1.Spring housing 5 forms by axle sleeve 51 with at the circumferentially even spacer bar 52 spaced apart of axle sleeve 51.
Locking mechanism comprises guide shaft 7, right limit cylinder 8, slide plate 9, stator 10, left limit cylinder 11, sleeve 12, spring 13 and action bars 14, right limit cylinder 8, stator 10, left limit cylinder 11, sleeve 12 and spring 13 are set on guide shaft 7 successively, on slide-bar 4, be rotationally connected multi-disc slide plate 9, on slide plate 9, offer chute, guide shaft 7 is slidably arranged on tray rack 1 and is placed in chute, stator 10 setting alternate with slide plate 9, one end of guide shaft 7 is fixed with the first catch 15, sleeve 12 is fixed on tray rack 1, action bars 14 rotates on sleeve 12 by bar axle 143, on action bars 14, there are two the first working face 141 and the second working faces 142 that act on the first catch 15, one end of left limit cylinder 11 is fixed with the second catch 16, on sleeve 12, offer through hole, the other end of left limit cylinder 11 passes from through hole, one end of left limit cylinder 11 is placed in sleeve 12, the two ends of spring 13 act on respectively the first catch 15 and the second catch 16, distance between the first working face 141 and the axis of bar axle 143 is less than the distance between the second working face 142 and the axis of bar axle 143.On control stick, be also provided with the roller 144 of being convenient to rotate control stick.
The present embodiment is in the process using, and when in the process that chair back fixed mount 2 rotates relative to tray rack 1, air spring 17 can be given with user and continue uniform back-supported, has avoided slack resistance sensation, improves user and uses impression.
Rotating operation bar 14 can switch operating face, can allow guide shaft 7 produce axial displacement, make in the time that the second working face 142 acts on the first catch 15, slide plate 9 swellings are between right limit cylinder 8 and left limit cylinder 11, stop the slip of guide shaft 7 in chute, thus the movement of restriction slide-bar 4 in arc groove 21, and then make chair back fixed mount 2 relative with tray rack 1 fixing, when the first working face 141 acts on the first catch 15, slide plate 9 is relative with guide shaft 7 lax; And then guide shaft 7 can be slided in chute, slide-bar 4 can be in the interior movement of arc groove 21, thereby chair back fixed mount 2 and tray rack 1 can be relatively rotated.
The present embodiment arm-chair elasticity chassis structure is applicable to the furnature constructions such as sofa, chaise longue, seat, also can be used for the seat of the vehicles such as automobile, train, steamer, aircraft, simple and reasonable, widely applicable.
Embodiment 2
Referring to Fig. 7, the present embodiment 2 arm-chair elasticity chassis structures, the structure of its structure and embodiment 1 is basic identical, its difference is in setting position and embodiment 1 difference of air spring 17, in the present embodiment, the both sides of chair back fixed mount 2 offer connecting hole, connecting rod 6 penetrates connecting hole, and one end of the external part stretching out from connecting hole on connecting rod 6 and air spring 17 is hinged, and the other end of air spring 17 is hinged on the end of slide-bar 4.
Embodiment 3
Referring to Fig. 8, the present embodiment 3 arm-chair elasticity chassis structures, the structure of its structure and embodiment 1 is basic identical, and its difference is to be also provided with on tray rack 1 elevating lever mount pad 19 and lift adjustment handle 20.The parts of elevating function are set, to be applicable to both liftables, the Chair structure that can lie down again.
Above content described in this description is only to the explanation of the utility model example.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment; only otherwise depart from the content of the utility model description or surmount this scope as defined in the claims, all should belong to protection domain of the present utility model.
Claims (7)
1. an arm-chair elasticity chassis structure, comprise tray rack, chair back fixed mount and locking mechanism, described chair back fixed mount is arranged on tray rack by fixed-axis rotation, on the two side of tray rack, offer arc groove, arc groove and dead axle are coaxially set, between the both sides of chair back fixed mount, be connected with slide-bar, described slide-bar penetrates arc groove, the two ends of described dead axle are connected with the both sides of chair back fixed mount respectively, on dead axle, be arranged with torsion spring, wherein torsion spring link is connected with tray rack, another link of torsion spring is connected with chair back fixed mount, it is characterized in that: also comprise air spring, the two ends of described air spring are hinged chair back fixed mount and tray rack respectively.
2. arm-chair elasticity chassis structure according to claim 1, it is characterized in that: also comprise connecting rod, the both sides of described chair back fixed mount offer connecting hole, connecting rod penetrates described connecting hole, one end of air spring is hinged on connecting rod, the other end of air spring is hinged on slide-bar, and air spring is arranged in tray rack.
3. arm-chair elasticity chassis structure according to claim 1, it is characterized in that: also comprise connecting rod, the both sides of described chair back fixed mount offer connecting hole, connecting rod penetrates described connecting hole, the external part stretching out from connecting hole on connecting rod and one end of air spring are hinged, and the other end of air spring is hinged on the end of slide-bar.
4. arm-chair elasticity chassis structure according to claim 1, is characterized in that: on described dead axle, cover has spring housing, and torsion spring set is on spring housing, and a link top of torsion spring is pressed on the fixed head of tray rack, and another link top of torsion spring is pressed on slide-bar.
5. arm-chair elasticity chassis structure according to claim 4, is characterized in that: described spring housing forms by axle sleeve with at the circumferentially even spacer bar spaced apart of axle sleeve.
6. arm-chair elasticity chassis structure according to claim 1 and 2, it is characterized in that: described locking mechanism comprises guide shaft, right limit cylinder, slide plate, stator, left limit cylinder, sleeve, spring and action bars, right limit cylinder, stator, left limit cylinder, sleeve and spring are set on guide shaft successively, on slide-bar, be rotationally connected multi-disc slide plate, on slide plate, offer chute, described guide shaft is slidably arranged on tray rack and is placed in chute, the alternate setting of stator and slide plate, one end of guide shaft is fixed with the first catch, sleeve is fixed on tray rack, action bars rotates on sleeve by bar axle, on action bars, there are two the first working face and the second working faces that act on described the first catch, one end of left limit cylinder is fixed with the second catch, on sleeve, offer through hole, the other end of left limit cylinder passes from described through hole, one end of left limit cylinder is placed in sleeve, the two ends of described spring act on respectively the first catch and the second catch, distance between the axis of the first working face and bar axle is less than the distance between the second working face and the axis of bar axle.
7. arm-chair elasticity chassis structure according to claim 1 and 2, is characterized in that: on described tray rack, be also provided with elevating lever mount pad and lift adjustment handle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320887670.0U CN203692988U (en) | 2013-12-31 | 2013-12-31 | Elastic chassis structure of arm-chair |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320887670.0U CN203692988U (en) | 2013-12-31 | 2013-12-31 | Elastic chassis structure of arm-chair |
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CN203692988U true CN203692988U (en) | 2014-07-09 |
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CN201320887670.0U Expired - Lifetime CN203692988U (en) | 2013-12-31 | 2013-12-31 | Elastic chassis structure of arm-chair |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105054632A (en) * | 2015-08-10 | 2015-11-18 | 浙江恒林椅业股份有限公司 | Chair provided with chair board regulating mechanism |
CN106974459A (en) * | 2017-03-27 | 2017-07-25 | 浙江恒林椅业股份有限公司 | A kind of pallet |
CN106974458A (en) * | 2017-03-27 | 2017-07-25 | 浙江恒林椅业股份有限公司 | A kind of retaining mechanism |
CN107049640A (en) * | 2017-02-15 | 2017-08-18 | 浙江安吉铭成椅业有限公司 | A kind of wheel seat base of convenient regulation angle |
CN110126745A (en) * | 2018-02-02 | 2019-08-16 | 诺博汽车系统有限公司 | Adjustable lifting armrest box |
CN111955980A (en) * | 2020-07-30 | 2020-11-20 | 浙江鑫吉园艺工具有限公司 | Multifunctional portable folding stool |
-
2013
- 2013-12-31 CN CN201320887670.0U patent/CN203692988U/en not_active Expired - Lifetime
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105054632A (en) * | 2015-08-10 | 2015-11-18 | 浙江恒林椅业股份有限公司 | Chair provided with chair board regulating mechanism |
CN105054632B (en) * | 2015-08-10 | 2018-05-25 | 浙江恒林椅业股份有限公司 | A kind of chair with seat adjusting mechanism |
CN107049640A (en) * | 2017-02-15 | 2017-08-18 | 浙江安吉铭成椅业有限公司 | A kind of wheel seat base of convenient regulation angle |
CN106974459A (en) * | 2017-03-27 | 2017-07-25 | 浙江恒林椅业股份有限公司 | A kind of pallet |
CN106974458A (en) * | 2017-03-27 | 2017-07-25 | 浙江恒林椅业股份有限公司 | A kind of retaining mechanism |
CN106974459B (en) * | 2017-03-27 | 2023-10-17 | 恒林家居股份有限公司 | Tray |
CN106974458B (en) * | 2017-03-27 | 2023-10-20 | 恒林家居股份有限公司 | Locking mechanism |
CN110126745A (en) * | 2018-02-02 | 2019-08-16 | 诺博汽车系统有限公司 | Adjustable lifting armrest box |
CN110126745B (en) * | 2018-02-02 | 2022-03-04 | 诺博汽车系统有限公司 | Adjustable lifting armrest box |
CN111955980A (en) * | 2020-07-30 | 2020-11-20 | 浙江鑫吉园艺工具有限公司 | Multifunctional portable folding stool |
CN111955980B (en) * | 2020-07-30 | 2024-05-03 | 浙江鑫吉园艺工具有限公司 | Multifunctional portable folding stool |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20140709 |