CN111671258A - Chair back self-rebounding chair - Google Patents
Chair back self-rebounding chair Download PDFInfo
- Publication number
- CN111671258A CN111671258A CN202010541251.6A CN202010541251A CN111671258A CN 111671258 A CN111671258 A CN 111671258A CN 202010541251 A CN202010541251 A CN 202010541251A CN 111671258 A CN111671258 A CN 111671258A
- Authority
- CN
- China
- Prior art keywords
- chair
- support
- chair back
- fixing frame
- seat
- 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
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 230000009471 action Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/12—Theatre, auditorium, or similar chairs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C4/00—Foldable, collapsible or dismountable chairs
- A47C4/04—Folding chairs with inflexible seats
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/02—Seat parts
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
- A47C7/443—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with coil springs
- A47C7/444—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with coil springs of torsion type
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Special Chairs (AREA)
Abstract
The invention discloses a chair back self-rebounding seat which comprises a left support and a right support, wherein the tops of the two supports are jointly formed on a chair surface placing platform for placing a chair surface, the chair surface is installed on the chair surface placing platform through a chair surface position adjusting mechanism, each support is respectively provided with a connecting frame extending backwards, the rear end of each connecting frame is respectively provided with a pair of inclined supporting arms inclining upwards and backwards, and the rear ends of the inclined supporting arms are provided with a leaning stop surface; a pair of connecting arms are respectively arranged on the left side and the right side of the lower end of the front end surface of the chair back fixing frame, and a pair of inclined supporting arms on each support are respectively inserted between one connecting arm on the corresponding side of the chair back fixing frame and are respectively and coaxially hinged between the connecting arms on the corresponding side through a pin shaft, so that the chair back fixing frame is hinged on the supports through the pin shafts; each pin shaft is sleeved with a torsion spring, one end of each torsion spring is fixed with the chair back fixing frame, and the other end of each torsion spring is fixed with the inclined strut arm of the corresponding support. The invention has the advantages of time and labor saving in use.
Description
Technical Field
The invention relates to the technical field of movable stand equipment, in particular to a chair back self-rebounding seat.
Background
For the owner of the sports stadium, the application of the stadium is very important to be changed at any time according to the needs, so that one sports stadium with huge investment can deal with different types of competitions or other commercial activities, the utilization rate of the stadium is greatly improved, and the activity stand can be produced according to the multifunctional use trend of the sports stadium. The movable stand comprises a plurality of layers of stands arranged in a ladder shape, the stands of the lower layer are collected below the stands of the upper layer when being folded, and a seat is arranged on each layer of stand. The seats currently used have the following drawbacks: (1) the position of the seat surface relative to the seat back can not be adjusted, thus influencing the riding comfort of people; (2) before the lower-layer stand is retracted and enters the upper-layer stand, the chair backs of all the seats on the lower-layer stand need to be manually turned down one by one, so that all the seats on the lower-layer stand are folded conveniently, the lower-layer stand is stored in the upper-layer stand, and after the upper-layer stand is pulled out from the lower-layer stand, the chair backs of all the seats on the lower-layer stand need to be manually turned up one by one, so that all the seats on the lower-layer stand are unfolded conveniently for the audience to take, and the operation is time-consuming and labor-consuming.
Disclosure of Invention
The invention aims to provide a self-rebounding seat which is time-saving and labor-saving when a stand is stored and has an adjustable seat surface position.
In order to achieve the purpose, the invention adopts the following technical scheme: a chair back self-rebounding seat comprises a chair back, a chair surface, a chair back fixing frame and a left support and a right support which are used for being fixed with a stand, wherein the tops of the two supports are jointly formed on a chair surface placing platform used for placing the chair surface, the chair surface is installed on the chair surface placing platform through a chair surface position adjusting mechanism, the front position and the rear position of the chair surface on the chair surface placing platform can be freely adjusted through the chair surface position adjusting mechanism, connecting frames extending backwards are respectively arranged on the supports, a pair of inclined supporting arms inclining upwards and backwards are respectively arranged at the rear end of each connecting frame, and a blocking surface used for the chair back fixing frame to overturn and abut against is arranged at the rear ends of the inclined supporting arms; a pair of connecting arms are respectively arranged on the left side and the right side of the lower end of the front end surface of the chair back fixing frame, and a pair of inclined supporting arms on each support are respectively inserted between one connecting arm on the corresponding side of the chair back fixing frame and are respectively and coaxially hinged between the connecting arms on the corresponding side through a pin shaft, so that the chair back fixing frame is hinged on the supports through the pin shafts; each pin shaft is sleeved with a torsion spring, one end of each torsion spring is fixed with the chair back fixing frame, the other end of each torsion spring is fixed with the inclined supporting arm of the corresponding support, and the chair back fixing frame and the chair back always have the tendency of overturning backwards relative to the support and the chair surface around the pin shaft under the elastic action of each torsion spring until the front end surface of the lower end of the chair back fixing frame is abutted against the abutting surface at the rear end of the inclined supporting arm forwards.
Further, the seat back self-rebound seat comprises: the structure of the chair seat position adjusting mechanism comprises: the top plate of each support is provided with a strip hole in the front-back direction, the left side and the right side of the bottom surface of the chair seat are respectively provided with a threaded hole corresponding to the strip hole on the corresponding side support, each strip hole is provided with a locking bolt which can move along the strip hole and is in threaded connection with the corresponding threaded hole of the chair seat, when the locking bolts are unscrewed, the chair seat can move back and forth along the strip hole of the support through the locking bolts, the front position and the back position of the chair seat on the support can be freely adjusted, and when the locking bolts are screwed, the chair seat is fixed on the support and cannot move back and forth relative to the support.
Further, the seat back self-rebound seat comprises: the chair back is detachably arranged on the chair back fixing frame through a plurality of fastening bolts.
Through the implementation of the technical scheme, the invention has the beneficial effects that: (1) the front and back positions of the seat surface relative to the seat back can be freely adjusted, so that the seat can be adapted to people with different physical constitutions, and the riding comfort is improved; (2) in the process of retreating and drawing back the lower-layer stand and entering the upper-layer stand, the chair backs of all the seats on the lower-layer stand can be automatically turned forwards and downwards along the bottom surface of the upper-layer stand to form a folded shape which is convenient for the lower-layer stand to be collected in the upper-layer stand, the manual operation is not needed to turn the chair backs of all the seats on the lower-layer stand one by one, and after the upper-layer stand is pulled out from the lower-layer stand, the chair backs of all the seats on the lower-layer stand can be automatically rebounded upwards and backwards to form an unfolded shape which is convenient for audiences to use, the manual operation is not needed to turn the chair pain of all the seats on the lower-layer stand one by one, the operation is time-saving and labor-.
Drawings
Fig. 1 is a schematic structural view of a chair back self-rebounding seat according to the present invention.
Fig. 2 is a schematic structural view in a left-side view direction of fig. 1.
Fig. 3 is an enlarged schematic view of a portion E shown in fig. 2.
Fig. 4 is an enlarged schematic view of a portion F shown in fig. 2.
Fig. 5 is a schematic structural view in a top view of fig. 1.
Fig. 6 is a schematic view of the connection relationship among the support, the connecting frame, and the inclined strut arm shown in fig. 1.
Fig. 7 is a schematic view of the structure in the right view direction of fig. 6.
Fig. 8 is a schematic structural view in a top view of fig. 6.
Fig. 9 is a structural view of the chair back holder shown in fig. 1.
Fig. 10 is a left-side view structural diagram of fig. 9.
Fig. 11 is a schematic structural view of the chair seat shown in fig. 1.
Fig. 12 is a schematic view showing a use state of the self-rebound seat when the seat back is unfolded and the seat surface is moved forward.
Fig. 13 is a schematic view showing a use state of the self-rebound seat when the seat back is folded and the seat surface moves backward.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, and that the configuration and operation of the specific orientation, and therefore, the present invention is not to be construed as being limited thereto.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10, fig. 11, fig. 12, and fig. 13, the chair back self-rebounding seat comprises a chair back 1, a chair seat 2, a chair back fixing frame 3, and two left and right supports 4 for fixing with a stand 12, wherein the tops of the two supports 4 jointly form a chair seat placing platform for placing the chair seat 2, the chair seat 2 is mounted on the chair seat placing platform through a chair seat position adjusting mechanism, and the front and back positions of the chair seat 2 on the chair seat placing platform can be freely adjusted through the chair seat position adjusting mechanism, so that the front and back positions of the chair seat 2 relative to the chair back 1 can be freely adjusted, the seat can be adapted to people with different physiques, and the riding comfort is improved; each support 4 is provided with a connecting frame 5 extending backwards, the rear end of each connecting frame 5 is provided with a pair of inclined strut arms 6 inclining upwards and backwards, and the rear ends of the inclined strut arms 6 are provided with a leaning surface 61 for the backrest fixing frame 3 to overturn and lean against; a pair of connecting arms 7 are respectively arranged on the left side and the right side of the lower end of the front end surface of the chair back fixing frame 3, a pair of inclined supporting arms 6 on each support 4 are respectively inserted between one connecting arm 7 on the corresponding side of the chair back fixing frame 3 and are respectively hinged between the connecting arms 7 on the corresponding side through a pin shaft 8, and the two pin shafts 8 are coaxially arranged, so that the chair back fixing frame 3 is hinged on the support 4 through the pin shafts 8; each pin shaft 8 is sleeved with a torsion spring 9, one end of each torsion spring 9 is fixed with the chair back fixing frame 3, the other end of each torsion spring 9 is fixed with the inclined supporting arm 6 corresponding to the supporting seat 4, and the chair back fixing frame 3 and the chair back 1 always have the tendency of overturning backwards around the pin shaft 8 relative to the supporting seat 4 and the chair surface 2 under the elastic action of each torsion spring 9 until the front end surface of the lower end of the chair back fixing frame 3 is abutted forwards on the abutting surface 61 at the rear end of the inclined supporting arm 6;
in this embodiment, the structure of the seat position adjusting mechanism includes: the top plate 41 of each support 4 is respectively provided with a strip-shaped hole 42 which runs forward and backward, the left side and the right side of the bottom surface of the chair surface 2 are respectively provided with a threaded hole 21 corresponding to the strip-shaped hole 42 on the corresponding support 4, each strip-shaped hole 42 is respectively provided with a locking bolt 10 which can move along the strip-shaped hole 42 and is in threaded connection with the corresponding threaded hole 21 of the chair surface 3, when the locking bolt 10 is unscrewed, the chair surface 2 can move forward and backward along the strip-shaped hole 42 of the support 4 through the locking bolt 10, so that the front and back position of the chair surface 2 on the support 4 can be freely adjusted, the front and back position of the chair surface 2 relative to the chair back 1 can be adjusted, when the locking bolt 10 is screwed, the chair surface 2 is fixed on the support 4 and cannot move forward and backward relative to the support 4, and; in the embodiment, the chair back 1 is detachably arranged on the chair back fixing frame 3 through a plurality of fastening bolts 11, so that the disassembly, assembly and maintenance are more convenient;
when the folding chair is used in practice, in the process that the lower layer stand is retracted and folded into the upper layer stand, the chair backs 1 of all the chairs on the lower layer stand can automatically turn forwards and downwards along the bottom surface of the upper layer stand along the corresponding pin shaft 8 against the elasticity of the torsion spring 9 to be conveniently folded when the lower layer stand is stored in the upper layer stand; after the lower-layer stand is pulled out of the upper-layer stand, because the chair backs of all the chairs are not subjected to the action of external force any more, the chair backs 1 of all the chairs on the lower-layer stand can automatically rebound upwards and backwards around the corresponding pin shafts 8 to be unfolded conveniently for audiences to sit and use under the action of the elasticity of the torsion springs of all the chairs.
The invention has the advantages that: (1) the front and back positions of the seat surface relative to the seat back can be freely adjusted, so that the seat can be adapted to people with different physical constitutions, and the riding comfort is improved; (2) in the process of retreating and drawing back the lower-layer stand and entering the upper-layer stand, the chair backs of all the seats on the lower-layer stand can be automatically turned forwards and downwards along the bottom surface of the upper-layer stand to form a folded shape which is convenient for the lower-layer stand to be collected in the upper-layer stand, the manual operation is not needed to turn the chair backs of all the seats on the lower-layer stand one by one, and after the upper-layer stand is pulled out from the lower-layer stand, the chair backs of all the seats on the lower-layer stand can be automatically rebounded upwards and backwards to form an unfolded shape which is convenient for audiences to use, the manual operation is not needed to turn the chair pain of all the seats on the lower-layer stand one by one, the operation is time-saving and labor-.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, but any modifications or equivalent variations made in accordance with the technical spirit of the present invention are within the scope of the present invention as claimed.
Claims (3)
1. The utility model provides a back of chair is from resilience seat which characterized in that: the chair comprises a chair back, a chair surface, a chair back fixing frame, a left support and a right support, wherein the left support and the right support are used for being fixed with a stand; a pair of connecting arms are respectively arranged on the left side and the right side of the lower end of the front end surface of the chair back fixing frame, and a pair of inclined supporting arms on each support are respectively inserted between one connecting arm on the corresponding side of the chair back fixing frame and are respectively and coaxially hinged between the connecting arms on the corresponding side through a pin shaft, so that the chair back fixing frame is hinged on the supports through the pin shafts; each pin shaft is sleeved with a torsion spring, one end of each torsion spring is fixed with the chair back fixing frame, the other end of each torsion spring is fixed with the inclined supporting arm of the corresponding support, and the chair back fixing frame and the chair back always have the tendency of overturning backwards relative to the support and the chair surface around the pin shaft under the elastic action of each torsion spring until the front end surface of the lower end of the chair back fixing frame is abutted against the abutting surface at the rear end of the inclined supporting arm forwards.
2. The chair back self-rebounding seat according to claim 1, wherein: the structure of the chair seat position adjusting mechanism comprises: the top plate of each support is provided with a strip hole in the front-back direction, the left side and the right side of the bottom surface of the chair seat are respectively provided with a threaded hole corresponding to the strip hole on the corresponding side support, each strip hole is provided with a locking bolt which can move along the strip hole and is in threaded connection with the corresponding threaded hole of the chair seat, when the locking bolts are unscrewed, the chair seat can move back and forth along the strip hole of the support through the locking bolts, the front position and the back position of the chair seat on the support can be freely adjusted, and when the locking bolts are screwed, the chair seat is fixed on the support and cannot move back and forth relative to the support.
3. The chair back self-rebounding seat according to claim 1, wherein: the chair back is detachably arranged on the chair back fixing frame through a plurality of fastening bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010541251.6A CN111671258A (en) | 2020-06-15 | 2020-06-15 | Chair back self-rebounding chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010541251.6A CN111671258A (en) | 2020-06-15 | 2020-06-15 | Chair back self-rebounding chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111671258A true CN111671258A (en) | 2020-09-18 |
Family
ID=72435824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010541251.6A Pending CN111671258A (en) | 2020-06-15 | 2020-06-15 | Chair back self-rebounding chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111671258A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1780320U (en) * | 1958-10-25 | 1958-12-31 | Luebke & Rolf Moebelfabrik | PANEL CONNECTION FOR CHAIRS, ESPECIALLY FOR ROW CHAIRS. |
| US4063392A (en) * | 1977-02-11 | 1977-12-20 | American Seating Company | Telescoping seating system with automatically folding chairs |
| JPS61113867U (en) * | 1984-12-27 | 1986-07-18 | ||
| EP0657124A1 (en) * | 1993-12-01 | 1995-06-14 | Wilkhahn Wilkening + Hahne GmbH + Co. | Chair |
| KR101410577B1 (en) * | 2013-02-06 | 2014-06-24 | 주식회사 유니테크 시스템 | Folding chair for sitting to front and back directions |
| CN204889254U (en) * | 2015-08-27 | 2015-12-23 | 李洪东 | Special folding seat of flexible activity stand |
| CN206238843U (en) * | 2016-10-17 | 2017-06-13 | 浙江大丰体育设备有限公司 | Semi-automatic the turning over of movable stand seat puts device |
| CN209331484U (en) * | 2018-12-26 | 2019-09-03 | 河北恒益诚舞台设备有限公司 | Flexible grandstand handrail chair back coordinated type seat |
| CN212345928U (en) * | 2020-06-15 | 2021-01-15 | 江苏金陵体育器材股份有限公司 | Chair with self-rebounding chair back |
-
2020
- 2020-06-15 CN CN202010541251.6A patent/CN111671258A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1780320U (en) * | 1958-10-25 | 1958-12-31 | Luebke & Rolf Moebelfabrik | PANEL CONNECTION FOR CHAIRS, ESPECIALLY FOR ROW CHAIRS. |
| US4063392A (en) * | 1977-02-11 | 1977-12-20 | American Seating Company | Telescoping seating system with automatically folding chairs |
| JPS61113867U (en) * | 1984-12-27 | 1986-07-18 | ||
| EP0657124A1 (en) * | 1993-12-01 | 1995-06-14 | Wilkhahn Wilkening + Hahne GmbH + Co. | Chair |
| JPH07194454A (en) * | 1993-12-01 | 1995-08-01 | Wilkhahn Wilkening & Hahne Gmbh & Co | Chair |
| KR101410577B1 (en) * | 2013-02-06 | 2014-06-24 | 주식회사 유니테크 시스템 | Folding chair for sitting to front and back directions |
| CN204889254U (en) * | 2015-08-27 | 2015-12-23 | 李洪东 | Special folding seat of flexible activity stand |
| CN206238843U (en) * | 2016-10-17 | 2017-06-13 | 浙江大丰体育设备有限公司 | Semi-automatic the turning over of movable stand seat puts device |
| CN209331484U (en) * | 2018-12-26 | 2019-09-03 | 河北恒益诚舞台设备有限公司 | Flexible grandstand handrail chair back coordinated type seat |
| CN212345928U (en) * | 2020-06-15 | 2021-01-15 | 江苏金陵体育器材股份有限公司 | Chair with self-rebounding chair back |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212345928U (en) | Chair with self-rebounding chair back | |
| CN207084744U (en) | A kind of nursing for the aged shower seat | |
| CA2231701A1 (en) | Rocking gliding chair | |
| CN212368646U (en) | Foldable cloth-wearing type desk chair | |
| CN202445550U (en) | Folding rocking chair | |
| CN111671258A (en) | Chair back self-rebounding chair | |
| CN2407652Y (en) | Multifunction relaxing chair frame | |
| CN113331620B (en) | Adjustable office chair for working on table | |
| CN201585688U (en) | Chain belt lounge chair with chair back adjustable | |
| CN201295013Y (en) | Multifunctional chair | |
| CN209677891U (en) | A kind of folding easy chair | |
| CN210227500U (en) | Office chair pedal | |
| CN202800776U (en) | Foldable deck chair | |
| CN112401549A (en) | Support device and multifunctional chair with same | |
| CN111802848A (en) | Office chair capable of being automatically adjusted and used for lying and rest | |
| CN216723830U (en) | Outdoor sunshade multifunctional leisure chair | |
| CN213640260U (en) | Seat capable of adjusting dependence angle | |
| CN203234377U (en) | Adjustable rocking chair | |
| CN217792107U (en) | Novel rocking chair | |
| CN213216122U (en) | Chair and rocking chair leg thereof | |
| CN216984235U (en) | Multifunctional office chair backrest | |
| CN215737907U (en) | Support device and multifunctional chair with same | |
| CN113317648B (en) | Comfortable office chair capable of being loosened | |
| CN220308744U (en) | Multifunctional leisure chair with vertically-reversed backrest | |
| CN219845724U (en) | Row chair iron stand |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |