CN110123053B - Retracting mechanism for sitting and lying device - Google Patents
Retracting mechanism for sitting and lying device Download PDFInfo
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- CN110123053B CN110123053B CN201910345263.9A CN201910345263A CN110123053B CN 110123053 B CN110123053 B CN 110123053B CN 201910345263 A CN201910345263 A CN 201910345263A CN 110123053 B CN110123053 B CN 110123053B
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- 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
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/028—Reclining or easy chairs having independently-adjustable supporting parts for changing a straight chair into an easy chair, e.g. by inverting or tilting seat and back-rest in the base frame or by overturning the whole chair
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- General Health & Medical Sciences (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention discloses a sitting and lying device, and provides a retracting and releasing mechanism for the sitting and lying device, which has the advantages of simple structure, convenience in use, low manufacturing cost, zero wall leaning during standing and zero gravity during falling, and solves the technical problems of complex structure, high manufacturing cost, large occupied space during use, certain limitation of use fields and the like of the zero-gravity sitting and lying device in the prior art.
Description
Technical Field
The invention relates to a sitting and lying device, in particular to a folding and unfolding mechanism for the sitting and lying device, which has the advantages of simple structure, convenience in use, low cost, zero wall leaning during standing and zero gravity during falling.
Background
With the progress of society, in order to pursue comfort, the existing sitting and lying devices such as massage chairs, office chairs, sofas and massage beds usually adopt ergonomic design and zero gravity technology, so that people are always in a natural state in the sitting and lying conversion process to resist discomfort caused by the gravity of the earth, the gravity center of the human body is positioned at the buttocks, other body parts are not stressed, sitting and lying conversion is carried out in the state, pressure can be relieved, fatigue is released, and people feel relaxed both physically and mentally. The existing zero-gravity sitting and lying device is generally unfolded forwards when a human body bearing seat is overturned backwards through a driving device when in use, so that the structure is complex, the manufacturing cost is high, the occupied space is large when in use, the use place is limited, and the use requirement under a narrow space state cannot be met.
Disclosure of Invention
The invention mainly provides a retracting mechanism for a sitting and lying device, which has the advantages of simple structure, convenient use, low manufacturing cost, zero wall leaning during standing and zero gravity during lying, and solves the technical problems of complex structure, high manufacturing cost, large occupied space during use, limited use site and the like of the zero-gravity sitting and lying device in the prior art.
The technical problem of the invention is mainly solved by the following technical scheme: a folding and unfolding mechanism for a sitting and lying device comprises a seat plate supported on the ground, wherein a back board is arranged on the rear side edge of the seat plate, the reverse side surface of the back board is rotatably connected with one end of a rear support, the other end of the rear support is supported on the ground, one end of a driving device is further rotatably connected onto the rear support, the other end of the driving device is rotatably connected onto the back board or the seat plate, and the driving device drives the back board and the seat plate to slide relative to the ground and turn synchronously. The rear support is arranged on the rear side face of the backrest plate, the upper end of the rear support is rotatably connected to the backrest plate, the lower end of the rear support is supported on the ground, the rear support is rotatably and movably connected with the backrest plate, the rear support corresponding to the lower part of a rotating shaft of the rear support is rotatably connected with the driving device, the other end of the driving device is rotatably connected to the backrest plate or the seat plate, so that the stable support of the sitting and lying device is formed by the driving device, the rear support and the seat plate, when the driving device acts, the backrest plate is pushed to turn upwards, the rear support or the seat plate slides inwards along the ground, the sitting and lying device stands up, when the driving device acts reversely, the backrest plate is pulled to turn downwards, the rear support or the seat plate slides outwards along the ground, the sitting and lying device falls and tends to be in a flat-lying state, the hip position is kept unchanged during the turning process, and zero gravity conversion is realized; the back board is flat to lie and is overturned in-process bedplate and slide forward simultaneously, can let the back board realize zero leaning on the wall from this, and occupation space is little, can satisfy the operation requirement of narrow and small space state, sits the device of lying for the zero gravity of traditional structure, simple structure, convenient to use, low in manufacturing cost.
Preferably, a roller or a sliding groove in sliding connection is arranged on the lower end part of the rear bracket or/and the bottom surface of the seat plate. The rollers or the sliding chutes which are mutually matched and are in sliding connection with the rollers are arranged at the lower end part of the rear bracket or the bottom surface supporting point of the seat board, or the rollers or the sliding chutes which are mutually matched and are in sliding connection with the rollers are arranged at the lower end part of the rear bracket and the bottom surface supporting point of the seat board, so that the friction between the seat and the ground when the seat and the reclining device is folded and unfolded can be reduced, the seat and the reclining device can be folded and unfolded freely, the labor is saved, the supporting point and the ground abrasion are reduced, and the seat and the reclining device can be carried conveniently.
Preferably, the rear support comprises a left support rod and a right support rod, a cross beam is arranged between the left support rod and the right support rod, the inner side ends of the left support rod and the right support rod are respectively connected to two sides of the backrest plate in a rotating mode, and the driving device is connected to the middle of the cross beam in a rotating mode. The back support of the frame structure formed by the left and right supporting rods and the cross beam has light weight and high strength, the left and right supporting rods form the left and right support of the back board, the stability is good, and when the driving device is rotationally connected to the middle part of the cross beam, the acting force in the back board folding and unfolding process is kept balanced, so that the folding and unfolding process is more stable.
The left and right supporting rods can be straight rods, and preferably, the left and right supporting rods are both V-shaped components, the openings of the V-shaped left and right supporting rods face outwards, and the cross beam is fixed on the left and right supporting rods close to the corner. When the middle parts of the left and right supporting rods are concave inwards and are in a V shape, the stress state of the sitting and lying device in the conversion process can be improved, the sitting and lying device is ensured to be stably supported, meanwhile, enough telescopic space is provided for the driving device, the requirement of the turning state is met, and the whole structure is more compact and reasonable.
Preferably, the rear support comprises a U-shaped lower support, the open ends of the U-shaped lower support are respectively and rotatably connected to two sides of the backrest plate, the middle of the bottom surface of the U-shaped lower support is rotatably connected with a supporting rod supported on the ground, and the driving device is rotatably connected to the U-shaped lower support close to the connecting end of the supporting rod. The rear support can also be arranged on the reverse side surface of the backrest plate, the middle part of the U-shaped lower support is provided with a support rod to be supported on the ground, namely the rear support and the seat plate form three-point support, wherein the U-shaped lower support is arranged to increase the rotating space of the driving device, the driving device is rotatably connected to the U-shaped lower support close to the connecting end of the support rod, the stress state of the sitting and lying device in the conversion process can be improved, the sitting and lying device is ensured to be stably supported, meanwhile, enough telescopic space is provided for the driving device, the requirement of the turning state is met, and the integral structure is more compact and reasonable.
Preferably, front support rods are respectively arranged on two sides of the bottom surface of the seat board, and the seat board is supported on the ground through the front support rods. The two sides of the seat board are respectively provided with the front support rods for stable support, the whole weight of the sitting and lying device can be reduced, the structure is simple, the support stability is good, and the manufacturing cost is low.
Preferably, the driving device is an electric push rod, a gas spring device, a screw rod mechanism or a worm and gear mechanism. When the power source is formed by the electric push rod or the gas spring device, the folding and unfolding of the sitting and lying device are realized through the folding and unfolding of the power source; the screw rod is arranged between the rear bracket and the backrest plate or between the rear bracket and the seat plate, the nut screwed on the screw rod is fixed with the corresponding backrest plate or the seat plate, and the folding and unfolding of the sitting and lying device can be realized by driving the screw rod through a motor or manually; the folding and unfolding of the sitting and lying device can be realized through the matching of the gear motor and the synchronous worm wheel on the rear support, and the multiple driving devices have the characteristics of simple structure, low manufacturing cost and convenient operation.
Preferably, a locking gear is arranged on the roller rotating shaft, one end of a rack is rotatably connected to the rear bracket or the seat plate corresponding to the upper part of the locking gear, and the rack is engaged with the locking gear in a matching manner when rotating downwards. The locking gear is arranged on the rotating shaft of the roller, and the rack is rotatably arranged on the rear bracket or the seat plate corresponding to the locking gear to form the locking mechanism, namely, the locking of the sitting and lying device is realized through the engagement of the rack in the locking mechanism and the locking gear, so that the accidental sliding of the sitting and lying device in a non-carrying state is prevented, and the use safety is improved; the locking mechanism with the racks meshed with the locking gears is simple in structure and convenient to use.
Preferably, rear bracket positioning rods are respectively arranged on two sides of the backboard corresponding to the rear bracket connecting ends, and the connecting ends of the rear brackets are rotatably connected to the corresponding rear bracket positioning rods. The rear bracket is rotationally connected to the backboard through the left and right rear bracket positioning rods, so that the swinging space of the rear bracket can be increased, and the driving device is convenient to arrange and install.
Preferably, a U-shaped upper bracket is arranged on the backrest plate corresponding to the connecting end of the driving device, the opening end of the U-shaped upper bracket is fixed on two sides of the backrest plate, and the connecting end of the driving device is rotatably connected to the U-shaped upper bracket. When the driving device is arranged between the rear support and the back board, the U-shaped upper support is arranged on the back board, and the connecting end of the driving device is rotatably connected to the U-shaped upper support, so that the driving device is conveniently arranged and installed, and the influence of local interference on the normal folding and unfolding of the sitting and lying device is avoided.
Therefore, the folding and unfolding mechanism for the sitting and lying device has the following advantages: the stable support of the sitting and lying device is formed by the driving device, the rear bracket and the seat board, or the driving device, the rear bracket and the backrest board, when the driving device runs, the backrest board is pushed to turn upwards, the sitting and lying device stands up, or the backrest board is pulled to turn downwards, the sitting and lying device is laid down, and the hip position is kept unchanged in the turning process, so that zero gravity conversion is realized; the seat board slides forwards or rolls simultaneously (or the backrest board backwards simultaneously) in the process of lying and turning the backrest board, the backrest board realizes zero wall leaning, the occupied space is small, and therefore, the use requirement of a narrow space state can be met, and compared with a zero-gravity sitting and lying device with a traditional structure, the backrest board has the advantages of simple structure, convenience in use and low manufacturing cost; adopt rack and locking gear meshed's locking mechanism, prevent to sit the device of lying and slide in the unexpected emergence of non-transport state, improve the safety in utilization.
Description of the drawings:
FIG. 1 is a schematic configuration diagram of a first embodiment of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 in a stowed condition;
FIG. 3 is a schematic view of the structure of FIG. 1 in a lying position;
FIG. 4 is a schematic structural view of a second embodiment of the present invention;
FIG. 5 is a schematic structural view of a third embodiment of the present invention;
FIG. 6 is a schematic structural view of a fourth embodiment of the present invention;
FIG. 7 is a schematic structural view of a fifth embodiment of the present invention;
FIG. 8 is a schematic structural view of a sixth embodiment of the present invention;
FIG. 9 is a schematic structural view of a seventh embodiment of the present invention;
FIG. 10 is a schematic configuration view of an eighth embodiment of the present invention;
FIG. 11 is a schematic structural view of a ninth embodiment of the present invention;
FIG. 12 is a schematic structural view of a tenth embodiment of the present invention;
the specific implementation mode is as follows:
the technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example 1:
as shown in figure 1, the folding and unfolding mechanism for a sitting and lying device comprises a square seat board 1 for supporting the buttocks of a human body, a back board 2 which is connected in an integrated manner is formed by extending the rear side edge of the seat board 1 obliquely upwards, front support rods 6 are symmetrically fixed on two sides of the bottom surface of the seat board 1, the front support rods 6 are perpendicular to the seat board 1 and close to the back board 2, the lower end parts of the front support rods 6 are supported on the ground through rollers 5, the rear side surface of the back board 2 is rotatably connected with one end of a rear bracket 3, rear bracket positioning rods 11 are respectively fixed on two sides of the back board 2 corresponding to the connecting end of the rear bracket 3, the two rear bracket positioning rods 11 are both vertical to the reverse side surface of the back board 2, and the connecting end of the rear bracket 3 is rotatably connected with the outer end parts of the corresponding rear bracket positioning rods 11. The other end of the rear bracket 3 is supported on the ground through two rollers 5, and the two rollers 5 are fixed on the same rotating shaft, and the human body bearing gravity center of the seat plate 1 is always located between the ground supporting point of the rear bracket 3 and the ground supporting point of the seat plate 1, wherein the rear bracket 3 comprises a left supporting rod 31 and a right supporting rod 32 which are symmetrically and rotatably connected to two sides of the rear side surface of the backrest plate 2, the left supporting rod 31 and the right supporting rod 32 are parallel to each other and have completely the same size and shape, both are V-shaped structures with an included angle of 120 degrees, the V-shaped left supporting rod 31 and the V-shaped right supporting rod 32 are outwards opened, a cross beam 33 is horizontally connected between the left supporting rod 31 and the right supporting rod 32, the cross beam 33 is located at the V-shaped corners of the left supporting rod 31 and the right supporting rod 32, the rollers 5 are respectively fixed at the lower end portions of the left supporting rod 31 and the right supporting rod 32, one end of a driving device 4 is rotatably connected to the middle portion of the cross beam 33, the driving device 4 in this embodiment is an electric push rod 41, the other end of the electric push rod 41 faces upwards, the backrest plate 2 corresponding to the connecting end above the electric push rod 41 is provided with the U-shaped upper support 12, the open end of the U-shaped upper support 12 is fixed on two sides of the backrest plate 2, the U-shaped upper support 12 is perpendicular to the reverse side face of the backrest plate 2, the electric push rod 41 is rotatably connected to the middle of the U-shaped upper support 12, and as shown in fig. 2 and 3, the electric push rod 41 drives the backrest plate 2 and the seat plate 1 to synchronously turn clockwise or counterclockwise when stretching. In order to prevent zero from being close to a wall and unexpected sliding in a non-carrying state, the locking gear 8 is coaxially sleeved and fixed on the corresponding rotating shaft on the inner side of the left roller 5, one end of the rack 9 is connected to the left support rod 31 corresponding to the upper portion of the locking gear 8 in a rotating mode, and the rack 9 is meshed with the locking gear 8 in a matching mode when rotating downwards to form a locking mechanism, so that the roller 5 is locked.
Example 2:
as shown in fig. 4, the rear bracket 3 includes a U-shaped lower bracket 34, the open ends of the U-shaped lower bracket 34 are respectively rotatably connected to the outer ends of the corresponding rear bracket positioning rods 11, the middle of the bottom surface of the U-shaped lower bracket 34 is rotatably connected to a supporting rod 35, the supporting rod 35 is a V-shaped structure with an outward opening, one open end of one side of the V-shaped supporting rod 35 is rotatably connected to the U-shaped lower bracket 34, the open end of the other side is supported on the ground, and the electric push rod 41 is rotatably connected to the middle of the U-shaped lower bracket 34. The rest is exactly the same as in example 1.
Example 3:
as shown in fig. 5, the lower end of the rear supporter 3 is directly supported on the ground. The rest is exactly the same as in example 1.
Example 4:
as shown in fig. 6, the lower end of the front stay 6 is directly supported on the ground. The rest is exactly the same as in example 1.
Example 5:
as shown in fig. 7, the lower ends of the left strut 31 and the right strut 32 of the rear bracket 3 are respectively slidably connected in the sliding chute 10, the sliding chute 10 is flatly placed on the ground and the extending direction is consistent with the sliding direction of the sitting and lying device, and in order to reduce the sliding resistance, the corresponding left strut 31 and right strut 32 in the sliding chute 10 are respectively provided with a sliding chute roller. The rest is exactly the same as in example 1.
Example 6:
as shown in fig. 8, the lower ends of the front stays 6 are slidably coupled in the slide grooves 10, respectively. The rest is exactly the same as in example 5.
Example 7:
as shown in fig. 9, a front stay beam is provided between the two front stays 6, one end of the electric push rod 41 is rotatably connected to the middle of the beam 33, and the other end of the electric push rod 41 is rotatably connected downward to the middle of the front stay beam. The rest is exactly the same as in example 1.
Example 8:
as shown in fig. 10, the driving device 4 in this embodiment is a worm and gear mechanism 44, a speed reduction motor is fixed on the back board 2, an output shaft of the speed reduction motor is connected to a worm, a worm wheel matching with the worm is coaxially connected to the middle of the cross beam 33 of the rear bracket 3, and the speed reduction motor drives the rear bracket 3 to turn over through the worm and gear mechanism 44 when rotating forward and backward. The rest is exactly the same as in example 1.
Example 9:
as shown in fig. 11, the driving device 4 in this embodiment is a gas spring device 42. The rest is exactly the same as in example 1.
Example 10:
as shown in fig. 12, the driving device 4 in this embodiment is a manual lead screw mechanism 43, in which a lead screw is arranged perpendicularly to the cross beam 33, a lead screw nut is screwed on the lead screw, the lead screw nut is rotatably connected to the middle of the U-shaped upper bracket 12, the lower end of the lead screw is rotatably connected to the middle of the cross beam 33, and a manual rotation handle is provided at the top end of the lead screw for directional manual operation. The rest is exactly the same as in example 1.
The specific embodiments described herein are merely illustrative of the principles of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a jack for sitting lie device, is including supporting bedplate (1) subaerial, and the back side edge of bedplate (1) is equipped with back board (2), its characterized in that: front support rods (6) are respectively arranged on two sides of the bottom surface of the seat plate (1), and the lower end parts of the front support rods (6) are supported on the ground through rollers (5); the back rest board (2) is connected with one end of a rear support (3) in a rotating mode on the reverse side face, the other end of the rear support (3) is supported on the ground, the rear support (3) is also connected with one end of a driving device (4) in a rotating mode, the other end of the driving device (4) is connected to the back rest board (2) or the seat board (1) in a rotating mode, and the driving device (4) drives the back rest board (2) and the seat board (1) to slide relative to the ground and turn over synchronously; the hip position is kept unchanged in the overturning process, and zero gravity conversion is realized; the seat board (1) slides forwards simultaneously in the process of lying and turning the back board (2), so that the back board (2) can realize zero wall leaning.
2. A stowing and releasing mechanism for a reclining device, according to claim 1, wherein: the lower end part of the rear bracket (3) or/and the bottom surface of the seat board (1) is/are provided with a roller (5) or a sliding groove (10) in sliding connection.
3. A stowing and releasing mechanism for a reclining device, according to claim 1, wherein: the back support (3) comprises a left support rod (31) and a right support rod (32), a cross beam (33) is arranged between the left support rod (31) and the right support rod (32), the inner side ends of the left support rod (31) and the right support rod (32) are respectively connected to two sides of the backrest plate (2) in a rotating mode, and the driving device (4) is connected to the middle of the cross beam (33) in a rotating mode.
4. A stowing mechanism for a reclining device, according to claim 3, wherein: the left supporting rod (31) and the right supporting rod (32) are both V-shaped components, the openings of the V-shaped left supporting rod (31) and the V-shaped right supporting rod (32) face outwards, and the cross beam (33) is fixed on the left supporting rod (31) and the right supporting rod (32) close to the corner.
5. A stowing and releasing mechanism for a reclining device, according to claim 1, wherein: the back support (3) comprises a U-shaped lower support (34), the open ends of the U-shaped lower support (34) are respectively rotatably connected to two sides of the backrest plate (2), the middle of the bottom surface of the U-shaped lower support (34) is rotatably connected with a supporting rod (35) supported on the ground, and the driving device (4) is rotatably connected to the U-shaped lower support (34) close to the connecting end of the supporting rod (35).
6. A stowing and releasing mechanism for a reclining device, according to claim 1, wherein: the seat board (1) is supported on the ground through the front support rod (6).
7. A stowing and releasing mechanism for a reclining device, according to claim 1, wherein: the driving device (4) is an electric push rod (41), an air spring device (42), a screw rod mechanism (43) or a worm and gear mechanism (44).
8. A stowing and releasing mechanism for a reclining device, according to claim 2, wherein: a locking gear (8) is arranged on a rotating shaft of the roller (5), one end of a rack (9) is rotatably connected to the rear support (3) or the seat plate (1) corresponding to the upper portion of the locking gear (8), and the rack (9) is meshed with the locking gear (8) in a matched mode when rotating downwards.
9. A stowing and releasing mechanism for a reclining device, according to claim 1, wherein: rear bracket positioning rods (11) are respectively arranged on two sides of the backboard (2) corresponding to the connecting ends of the rear brackets (3), and the connecting ends of the rear brackets (3) are rotatably connected to the corresponding rear bracket positioning rods (11).
10. A stowing and releasing mechanism for a reclining device, according to claim 1, wherein: the backrest plate (2) corresponding to the connecting end of the driving device (4) is provided with a U-shaped upper support (12), the open end of the U-shaped upper support (12) is fixed on two sides of the backrest plate (2), and the connecting end of the driving device (4) is rotatably connected to the U-shaped upper support (12).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920050176 | 2019-01-11 | ||
| CN2019200501766 | 2019-01-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110123053A CN110123053A (en) | 2019-08-16 |
| CN110123053B true CN110123053B (en) | 2022-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910345263.9A Active CN110123053B (en) | 2019-01-11 | 2019-04-26 | Retracting mechanism for sitting and lying device |
| CN201920591549.0U Active CN210095156U (en) | 2019-01-11 | 2019-04-26 | Retracting mechanism for sitting and lying device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920591549.0U Active CN210095156U (en) | 2019-01-11 | 2019-04-26 | Retracting mechanism for sitting and lying device |
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| Country | Link |
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| CN (2) | CN110123053B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103082724A (en) * | 2013-02-04 | 2013-05-08 | 董志雄 | Chair capable of changing gravity center along with changes in elevation angle of backrest |
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| US4079990A (en) * | 1976-01-02 | 1978-03-21 | Mcmunn Earl E | Wheelchair |
| IL55298A (en) * | 1978-08-07 | 1981-07-31 | Samson Ilan | Chari convertible into sitting or reclining position |
| US5110183A (en) * | 1987-12-10 | 1992-05-05 | Comfy Care, Inc. | Customized home chair and method of manufacture |
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| US7594696B2 (en) * | 2006-07-07 | 2009-09-29 | Jean Girard | Single-leg support |
| JP4731422B2 (en) * | 2006-08-01 | 2011-07-27 | 三洋電機株式会社 | Chair type massage machine |
| US8864222B2 (en) * | 2009-07-21 | 2014-10-21 | Daniel R. Grace | Unifoldable reclining chair |
| CN201480637U (en) * | 2009-08-28 | 2010-05-26 | 于泽洋 | Multifunctional chair |
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| EP3542675A1 (en) * | 2012-10-05 | 2019-09-25 | GCI Outdoor | Collapsible and portable rocking chair |
| CN203058978U (en) * | 2012-12-10 | 2013-07-17 | 吴灏 | Adjustable rocking chair |
| CH707927A1 (en) * | 2013-04-18 | 2014-10-31 | Thergofit Gmbh | Armchair. |
| CN203354789U (en) * | 2013-07-08 | 2013-12-25 | 国家康复辅具研究中心 | Electric wheelchair for people to stand, lie and sit |
| CN203841362U (en) * | 2014-01-16 | 2014-09-24 | 马计强 | Universal office chair |
| CN203897783U (en) * | 2014-05-28 | 2014-10-29 | 天津大学 | Space-adjustable chair |
| CN204542764U (en) * | 2015-04-02 | 2015-08-12 | 温州国杰健身器材有限公司 | A kind of zero gravity massage armchair |
| CN206284663U (en) * | 2016-10-12 | 2017-06-30 | 常熟理工学院 | Multifunction seat |
| CN206933811U (en) * | 2017-02-20 | 2018-01-30 | 河北康纳一品体育器材有限公司 | A kind of outdoor rocking-chair |
| CN207721512U (en) * | 2017-06-14 | 2018-08-14 | 申秀巧 | The c-type track structure of seat |
| CN107397646B (en) * | 2017-07-18 | 2019-11-15 | 申秀巧 | The beating uncoupling gear of massage seat |
| CN208243752U (en) * | 2017-11-27 | 2018-12-18 | 范申强 | Manual zero-g chair |
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- 2019-04-26 CN CN201910345263.9A patent/CN110123053B/en active Active
- 2019-04-26 CN CN201920591549.0U patent/CN210095156U/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103082724A (en) * | 2013-02-04 | 2013-05-08 | 董志雄 | Chair capable of changing gravity center along with changes in elevation angle of backrest |
Also Published As
| Publication number | Publication date |
|---|---|
| CN210095156U (en) | 2020-02-21 |
| CN110123053A (en) | 2019-08-16 |
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