CN112220261B - Seat capable of preventing sedentary problem - Google Patents
Seat capable of preventing sedentary problem Download PDFInfo
- Publication number
- CN112220261B CN112220261B CN202010971682.6A CN202010971682A CN112220261B CN 112220261 B CN112220261 B CN 112220261B CN 202010971682 A CN202010971682 A CN 202010971682A CN 112220261 B CN112220261 B CN 112220261B
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- seat
- support body
- supporting
- standing posture
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- 230000000276 sedentary effect Effects 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims description 11
- 241000276425 Xiphophorus maculatus Species 0.000 claims 1
- 210000002414 leg Anatomy 0.000 description 5
- 210000000689 upper leg Anatomy 0.000 description 5
- 210000001217 buttock Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 206010019233 Headaches Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 230000002490 cerebral effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/20—Chairs or stools with vertically-adjustable seats
- A47C3/30—Chairs or stools with vertically-adjustable seats with vertically-acting fluid cylinder
-
- 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
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- Special Chairs (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The invention discloses a seat for preventing sedentary problems, which comprises a seat, wherein the seat comprises at least one pair of side supports arranged in a mirror image mode, and the side supports are in two states, namely a flat seat surface state and a saddle state; the side support body is provided with an inner side part and an outer side part, and the outer side part is provided with a standing posture bearing part; when the side supports are in a flat-laid seat surface state, the two side supports are in a horizontal state, the inner side parts are close to each other, the outer side parts are far away from each other, and the standing posture bearing part sags on two sides of the seat; in the saddle state of the side support body, the standing posture supporting part and the outer side part form a seat surface for a user to ride, and the seat surface is further designed for improving comfort; compared with the prior art, the standing position bearing part and the outer side part of the side supporting body form a saddle, so that a user can ride on the saddle in a comfortable posture, or the standing position bearing part is designed with an ergonomic curved surface, and the use comfort of the seat in a standing position state can be improved.
Description
Technical Field
The invention relates to the field of office furniture, in particular to a seat for preventing sedentary problems.
Background
The seat is widely used in modern study and work, and has the function of sitting for most office chairs or study chairs; from a physiological aspect, a person stands for a long time and is overloaded in legs, so that the person is easy to feel tired; people who sit for a long time feel uncomfortable or tired, and various diseases such as hypomnesis, headache and dizziness, lumbar vertebra and cervical vertebra and the like are caused by insufficient cerebral blood supply, weight of the whole body pressing on the bottom end of the vertebra and the like, so that the health is not good. Sedentary adverse physical conditions have been studied and reported for a long time in which one person wishes to sit and for a long time to stand.
Among sedentary people, it seems that office white collar and students who learn in school sit for the longest time, and they sit for work or learning almost all the day over the hour, and it is difficult to adjust the posture, and not only is the person easily tired, but also the body is easily affected. The solution to this problem is preferably to allow alternating "sitting" and "standing" of the person.
However, the seating surface in the standing position of the current seat capable of switching between sitting and standing positions does not conform to the ergonomics, so that the comfort of use is greatly reduced.
Disclosure of Invention
In order to solve the above-mentioned technical problems, the present invention provides a seat for preventing sedentary problems, comprising a seat, wherein the seat comprises a pair of side supports arranged in mirror image, the state of the side supports is changed, so that the side supports form a seat surface for a user to ride on in a saddle state, and the seat surface is further designed for improving comfort; if the standing posture supporting part and the outer side part of the side supporting body form a saddle, a user can ride on the saddle in a comfortable posture, or the standing posture supporting part is designed with a curved surface which accords with ergonomics, so that the use comfort of the seat in the standing posture state is improved.
The technical scheme of the invention is realized as follows:
a seat for preventing sedentary problems comprises a seat, wherein the seat comprises at least one pair of side supports arranged in a mirror image manner, and the side supports have two states, namely a flat seat surface state and a saddle state; the side supports are provided with an inner side part and an outer side part, standing posture supporting parts are arranged on the outer side parts of the two side supports, and the standing posture supporting parts are configured to have radians suitable for placing thighs; when the two side supporting bodies are in a horizontal state, the inner side parts are close to each other, and the outer side parts are far away from each other, the side supporting bodies are in a flat-laid seat surface state, and standing posture supporting parts hang down on two sides of the seat; when the outer side part is higher than the inner side part and the two standing position supporting parts are close, the outer side parts of the two side supporting bodies and the standing position supporting parts form a saddle, and the side supporting bodies are in a saddle state.
The state of the sitting posture of the seat is switched through the state of the pair of mirror-image side supporting bodies, and when the side supporting bodies are in a flat sitting surface state, a user can sit on the seat flatly like a common seat; when the side support body is in the saddle state, the standing posture bearing part has the curvature from back to front downwards, and is attached to the side support body smoothly, so that a user can ride on the saddle formed by the standing posture bearing part and the outer side part like riding a horse, the ergonomics are met, and the use comfort is improved. The side support body is in a flat-laid seat surface state, the standing posture bearing part sags on two sides of the seat, the sagging is not strictly vertical to the horizontal plane, more refers to the relative state relation with the side support body, and the standing posture bearing part is in an upright state relative to the side support body in a flat-laid state; both side supports are in a horizontal state, which means a state that is convenient for a user to sit flat, and it does not mean that the shape of the upper surface of the side support is strictly horizontal, which may allow the surface of the side support contacting the hip and leg of the human body to be designed to conform to an ergonomic contour.
A seat for preventing sedentary problems comprises a seat, wherein the seat comprises at least one pair of side supports arranged in a mirror image manner, and the side supports have two states, namely a flat seat surface state and a saddle state; the side supports are provided with an inner side part and an outer side part, and standing posture supporting parts with round notches at the front ends are arranged at the outer side parts of the two side supports; when the side supports are in a flat-laid seat surface state, the two side supports are in a horizontal state, the inner side parts are close to each other, the outer side parts are far away from each other, and the standing posture bearing part sags on two sides of the seat; when the side support body is in a saddle state, the outer side part is higher than the inner side part, the two standing posture supporting parts are close to each other, the standing posture supporting parts and the outer side part form a seat surface together, and in the state, the standing posture supporting parts have the curvature from back to front downwards, and are smoothly close to the side support body to be integrated.
The thighs of the user can be placed on the curved surface of the standing-posture supporting part, and the curved surface conforming to the ergonomics can improve the use comfort of the seat; the length of the standing posture supporting part is shortened through the smooth notch on the standing posture supporting part, so that the front end of the standing posture supporting part is prevented from rubbing the legs of a user to cause discomfort due to the fact that the standing posture supporting part is too long.
Preferably, the outer side surface of the outer side portion of the side support has a curvature for waisting in the front-rear direction, and when the side support is in the saddle-riding state, the outer side portion forms a curved surface with a part of the seat surface being high in the front-rear direction and low in the middle and the rear end being higher than the front end. The part of the seat surface formed by the outer side part can be attached to the buttocks of a human body so as to improve the use comfort of the seat.
Preferably, the standing position support part is provided with a front part, a middle part and a rear part; the length of the front part of the standing posture supporting part is smaller than the length of the front part of the standing posture supporting part in the height direction when the side supporting body is in a saddle state, and the front part of the standing posture supporting part is formed by extending the front part of the side supporting body to two sides; the middle part of the standing posture supporting part is oblong, and the middle part of the standing posture supporting part is formed by extending the middle part of the side supporting body obliquely downwards; the rear part of the standing posture supporting part is approximately horizontal, and the rear part of the standing posture supporting part is formed by extending the rear parts of the side supporting bodies to two sides; the widths of the middle part and the rear part of the standing posture supporting part are larger than the width of the front part of the standing posture supporting part.
Preferably, the side support body and the standing position support part are integrally formed plate-shaped bodies. The integrally formed plate-like body is inexpensive and has sufficient support strength.
Preferably, the seat also comprises a main support body, the side support bodies are symmetrically arranged at the left side and the right side of the main support body, are rotationally connected with the main support body, and are far away from the main support body along the width direction, and the inner side part of the side support body is close to the main support body and the outer side part of the side support body is far away from the main support body; when the side support body is in a flat-laid seat surface state, the main support body and the side support body form a seat surface for a user to sit flat.
Preferably, the side support bodies are substantially U-shaped in a horizontal plane, and the main support body is surrounded by the two side support bodies when the side support bodies are in a flat-laid seating surface state; the rotary connection positions of the side support bodies are positioned at the inner sides of the front end and the rear end of the main support body. The rotating connection position of the two side supporting bodies and the main supporting body is close, so that after the two side supporting bodies are turned upwards, the distance between the two side supporting bodies is small, a user can ride the bicycle conveniently, and experience is better.
Preferably, a supporting seat is arranged below the main supporting body, the supporting seat is configured to be connected with a seat supporting assembly, the middle part of the supporting seat is sunken, the front end and the rear end of the supporting seat are upturned, the main supporting body is supported by the front end and the rear end of the supporting seat, and the side supporting body is rotatably connected with the main supporting body or the supporting seat. The supporting seat is used for replacing a heavy chassis with a single appearance, so that the overall aesthetic degree of the seat is improved.
Preferably, the side support body is limited to a flat seat surface state or a saddle state by a limiting mechanism; the limiting mechanism comprises a limiting piece and a locking assembly, wherein the limiting piece is arranged on one of the main support body or the side support body and is provided with at least two locking positions; a locking assembly mounted on the other of the main support or the side support, the locking assembly including a selectively movable locking pin; when the side support body is in a flat seat surface state or a saddle state, the lock pin is in locking fit with the corresponding locking position to limit and lock the limiting piece. The side support body can be kept in a flat sitting surface state or a saddle state through the limiting mechanism, so that the stable use of the seat in a sitting state and a standing state is realized; the limiting piece and the locking assembly are matched to realize limiting, so that the lock pin and the corresponding locking position can be matched to complete limiting locking, the structure and the operation are simple, and a user can conveniently switch the sitting and standing states of the seat.
Preferably, the limiting piece is a disc-shaped body, and the disc-shaped body is arranged against the moving direction of the lock pin; the locking position is a locking hole or a locking hole formed in the limiting piece, and the locking pin moves along the depth direction of the seat. The limiting piece of the disc-shaped body cannot be clamped when rotating along with the side supporting body, so that the smooth rotation of the side supporting body is ensured; the lock pin moves along the depth direction of the seat, when the lock pin is inserted into the locking hole or the locking hole, the limit piece can be locked to rotate, and when the lock pin exits from the locking hole or the locking hole, the limit piece and the side support body cannot be prevented from rotating.
The design starting point, the idea and the beneficial effects of the invention adopting the technical scheme are as follows:
1. the common sitting surface and the saddle or the sitting surface which accords with the ergonomics are switched, so that the sitting standing posture of the seat is switched, the trouble brought to a user by sitting for a long time is solved, and meanwhile, the use comfort in a standing posture state is improved, and the user is more willing to accept to work in the standing posture state.
2. The state of the sitting posture of the seat is switched through the state of the pair of mirror-image side supporting bodies, and when the side supporting bodies are in a flat sitting surface state, a user can sit on the seat flatly like a common seat; when the side support body is in the saddle state, a user can ride on the saddle formed by the standing posture bearing part and the outer side part like riding a bicycle, so that the bicycle accords with ergonomics and improves the use comfort.
3. The thighs of the user can be placed on the curved surface of the standing-posture supporting part, and the curved surface conforming to the ergonomics can improve the use comfort of the seat; the length of the standing posture supporting part is shortened through the smooth notch on the standing posture supporting part, so that the front end of the standing posture supporting part is prevented from rubbing the legs of a user to cause discomfort due to the fact that the standing posture supporting part is too long.
4. The part of the seat surface formed by the outer part can be attached to the buttocks of a human body, so that the use comfort of the seat is further improved.
Drawings
FIG. 1 is a front view showing the transition between the sitting posture and the standing posture in embodiment 1 of the present invention;
fig. 2 is a schematic perspective view of the seat in the standing posture state in embodiment 1 of the present invention;
FIG. 3 is a schematic perspective view of the seat in a sitting position according to the embodiment 1;
FIG. 4 is a top view of the seat in a sitting position according to example 1 of the present invention;
fig. 5 is a schematic perspective view of the seat in the standing position in embodiment 1;
FIG. 6 is a side view of the seat in a sitting position according to example 1 of the present invention;
FIG. 7 is a schematic diagram showing a second perspective view of the seat in a sitting position according to embodiment 1;
FIG. 8 is a top view of the seat in the standing position of example 1 according to the present invention;
FIG. 9 is a side view of the seat in the standing position of example 1 according to the present invention;
FIG. 10 is a cross-sectional view of F-F in FIG. 9;
FIG. 11 is a cross-sectional view of M-M of FIG. 9;
FIG. 12 is a cross-sectional view of N-N of FIG. 9;
fig. 13 is a schematic diagram showing a second perspective structure of the seat in the standing position in embodiment 1;
fig. 14 is a schematic view showing a perspective structure of the side support body and the main support body in combination in embodiment 1 of the present invention;
FIG. 15 is a schematic perspective view of the limiting member on the main support in embodiment 1 of the present invention;
FIG. 16 is a bottom view of the spacing mechanism of the present invention in embodiment 1;
fig. 17 is a schematic perspective view of a limiting mechanism in embodiment 1 of the present invention;
FIG. 18 is a schematic perspective view of a dial in embodiment 1 according to the present invention;
FIG. 19 is a schematic view showing the perspective structure of the lock pin in embodiment 1 of the present invention;
fig. 20 is a schematic perspective view showing the conversion between sitting and standing states in embodiment 2 of the present invention;
fig. 21 is a schematic perspective view of the seat in a sitting posture in embodiment 2 of the present invention;
fig. 22 is a schematic perspective view of the seat in the standing posture state in embodiment 2 of the present invention.
The reference numerals are as follows: a main support 1; a side support body 2; an inner portion 3; an outer portion 4; a rotating shaft 7; an auxiliary support 9; a standing posture support part 10; a limit mechanism 11; a lifting gas lever 33; five-star feet 34; a locking assembly 54; a stopper plate 57; a lock pin 58; a sitting posture locking hole 59; a standing position locking hole 510; a component holder 512; a rotation shaft seat plate 513; a base plate 514; a link plate 515; a mounting base 517; a paddle 518; a fixing portion 519; a cross plate 520; a guide 610; a guide hole 521; a guide plate 611; a control wire assembly 522; pin shaft hole 523; a lock pin return spring 527; a support base 90; an outer side surface 91; notch 92; a support arm 93; a riser 94; a spring mount 612; a lock pin positioning spring 613; an elastic rubber member 95; a small hole 96; ring groove 524.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
In the description of the present invention, the term "at least one" refers to one or more, unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The specific embodiments of the present invention are as follows:
example 1: as shown in fig. 1 and 2, the present invention provides a seat for preventing sedentary problems, comprising a seat, the seat comprises a pair of mirror-image side supporting bodies 2, the side supporting bodies 2 have two states, namely a flat seat surface state and a saddle state; the side support body 2 is provided with an inner side part 3 and an outer side part 4, and the outer side parts 4 of the two side support bodies 2 are provided with standing position bearing parts 10 with round notches 92 at the front ends; when the side support bodies 2 are in a flat seat surface state, the two side support bodies 2 are in a horizontal state so as to facilitate a user to sit flat, the inner side part 3 is close to the outer side part 4 and is far away from the outer side part, and the standing posture supporting part 10 hangs down on two sides of the seat in the state; when the side support body 2 is in a saddle state, the outer side part 4 is higher than the inner side part 3, two standing posture supporting parts 10 are close to each other, the standing posture supporting parts 10 and the outer side part 4 form a seat surface together, in this state, the standing posture supporting parts 10 have the curvature from back to front downwards, and simultaneously smoothly abut against the side support body 2 to form a curved surface suitable for riding of a user and are integrated. Specifically:
the chair seat also comprises a main support body 1, wherein the side support bodies 2 are symmetrically arranged on two sides of the main support body 1, and the side support bodies 2 can rotate relative to the main support body 1.
As shown in fig. 2 and 3, the main support body 1 is a seat plate, the side support bodies 2 are approximately U-shaped on the horizontal plane, and when the side support bodies 2 are in a flat-laid seat surface state, the main support body 1 is surrounded by two side support bodies 2; a supporting seat 90 is arranged under the main supporting body 1, the supporting seat 90 is configured to be connected with a seat supporting assembly, the middle part of the supporting seat 90 is sunk, the front end and the rear end of the supporting seat 90 are upturned, the main supporting body 1 is supported by the front end and the rear end of the supporting seat 90, the side supporting body 2 is in rotary connection with the main supporting body 1 or the supporting seat 90, and in the embodiment, the side supporting body 2 is in direct rotary connection with the main supporting body 1; in this embodiment, the seat support assembly includes a lifting air bar 33 and a pentagram foot 34, the lifting air bar 33 is connected between the pentagram foot 34 and the support base 90, the main support 1 is connected to the upper end of the support base 90, and the main support 1 can be lifted by the lifting air bar 33, i.e. the seat height can be controlled by the lifting air bar 33 within a certain range.
As shown in fig. 4 and 5, the side support 2 is a plate-shaped body, along the width direction, the inner portion 3 of the side support 2 is close to the main support 1, the outer portion 4 of the side support 2 is far away from the main support 1, the outer portion 4 is the outer edge of the side support 2, broadly refers to the outer edge region of the side support 2, and generally refers to the portion capable of supporting a human body in a saddle state; the outer side part 4 is provided with an outer side surface 91, and the outer side surface 91 is positioned at the outermost side of the outer side part 4; the outer side surface 91 has a curvature of waisting in the front-rear direction, so that the chair seat is in a waisted shape with the widest rear part and the narrowest middle part in top view, and when the side support body 2 is in a saddle state, a part of the seat surface formed by the outer side part 4 is a curved surface with the front-rear high middle part and the rear end higher than the front end, so as to fit with the buttocks of a user, conform to ergonomics and improve the use comfort of the user when riding.
As shown in fig. 5-13, the standing position supporting part 10 is disposed on the outer side part 4, the standing position supporting part 10 is a plate-shaped body extending downwards at the outer side part 4, namely, the side supporting body 2 and the standing position supporting part 10 are integrally formed, the rear part of the standing position supporting part 10 changes along with the curvature of the outer side surface 91, the standing position supporting part 10 reaches the middle part of the standing position supporting part 10, the standing position supporting part 10 starts to bend reversely and is smoothly close to the side supporting body 2, the standing position supporting part 10 reaches the front part of the standing position supporting part 10, the standing position supporting part 10 is completely integrated with the side supporting body 2, and a smooth notch 92 is formed at the position of transition from the middle part of the standing position supporting part 10 to the front part; when the side support body 2 is in a saddle state, the rear part of the partial seat surface formed by the standing posture supporting part 10 is connected with the partial seat surface formed by the outer side part 4 into a whole to jointly fit the buttocks of a human body, the middle part and the front part of the partial seat surface formed by the standing posture supporting part 10 are bent downwards from back to front and are provided with inclined U-shaped curved surfaces with openings facing outwards in the width direction, the outer side part 4 protrudes upwards and forwards from the two standing posture supporting parts 10 and is positioned between the two standing posture supporting parts so as to fit the thighs of the human body, and the two legs are separated from the standing posture supporting part 10 from the smooth notch 92 and are perpendicular to the two sides of the side support body 2; in the saddle state of the side support body 2, the standing posture supporting part 10 is gradually unfolded to be horizontal from front to back, namely, the included angle between the standing posture supporting part 10 and the side support body 2 is gradually increased, specifically, the standing posture supporting part 10 is provided with a front part, a middle part and a rear part; in the saddle state of the side support body 2, the length of the front part of the standing posture support part 10 in the width direction is smaller than the length of the front part in the height direction, namely the standing posture support part 10 is flat, and the front part of the standing posture support part 10 is formed by extending the front part of the side support body 2 to two sides; the middle part of the standing posture supporting part 10 is oblong, and the middle part of the standing posture supporting part 10 is formed by extending the middle part of the side supporting body 2 obliquely downwards; the rear part of the standing posture supporting part 10 is approximately horizontal, and the rear part of the standing posture supporting part 10 is formed by extending the rear part of the side supporting body 2 to two sides; the width of the middle part and the rear part of the standing posture supporting part 10 is larger than that of the front part. .
The seat has a sitting posture state and a standing posture state, and corresponds to a flat seat surface state and a saddle seat state of the side support body 2; in a sitting posture: the main support body 1 and the side support body 2 are in a flat-laying posture, namely the side support body 2 is in a flat-laying seat surface state, the main support body 1 and the side support body 2 together form a seat surface for a user to sit flat, and the seat surface can be a plane or a curved surface conforming to the ergonomics; when the sitting posture is converted into the standing posture, the side supporting bodies 2 on two sides are respectively turned upwards to an upright posture, the upright posture does not necessarily limit the side supporting bodies 2 to be strictly vertical to the horizontal plane, more means that the outer side parts 4 of the side supporting bodies 2 can be at a higher height after the side supporting bodies 2 are turned upwards, namely the side supporting bodies 2 are in a saddle state, in the upward turning process, the main supporting bodies 1 can be kept fixed, and at the moment, the height using requirements of most people in the standing posture can be met by the side supporting bodies 2 in the upright posture; when the side support body 2 is in the standing posture and cannot meet the sitting requirement of the human body in the standing posture, for example, the user is too tall or short, the height of the seat can be controlled by the lifting air rod 33, so that the requirement of the user can be met.
As shown in fig. 14, the inner parts 3 of the side supporting bodies 2 can be connected to the left and right sides of the main supporting body 1 through hinges in a rotating manner, but in order to meet the requirement that the side supporting bodies 2 have a reasonable height after being turned upwards, and the two side supporting bodies 2 can be closed so that a user can ride, the width of the main supporting body 1 is generally reduced, and thus the contact surface between the main supporting body 1 and the supporting seat 90 is possibly reduced, and the configuration becomes difficult; in order to solve the problem, the rotary connection parts of the side support bodies 2 are arranged at the positions of the front end and the rear end of the main support body 1, which are respectively close to the inner sides, so that the main support body 1 and the support seat 90 below the main support body 1 can keep enough contact area, the side support bodies 2 have reasonable height after being overturned upwards, and the two side support bodies 2 can be close to each other as much as possible, thereby facilitating the riding of a user; a rotating shaft 7 is arranged between the front end and the rear end of the main support body 1 and each side support body 2, and the main support body 1 and the side support bodies 2 are rotationally connected through the rotating shaft 7.
The above paragraphs describe the core idea of the present invention, the purpose of converting between sitting and standing is achieved by turning up the side support body 2, and the standing support portion 10 and the side support body 2 are optimally designed in consideration of the comfort of use and sitting posture of a human body in a standing posture state in actual use.
In actual use, in order to enable the seat to be used in the sitting and standing states, the limiting mechanism 11 is required to lock the sitting and standing states, and the seat can be unlocked when the sitting and standing states are required to be converted; the limiting mode can be various, for example, the following modes are:
as shown in fig. 15-19, the spacing mechanism 11 of the present embodiment includes a spacing member and a locking assembly 54. The limit mechanism 11 of the seat is specifically described as follows:
the limiting piece is a disc-shaped body, which is called as a limiting disc 57, two locking holes are formed in the limiting disc 57, and the limiting disc 57 is arranged on the side support body 2; the locking assembly 54 is mounted on the main support body 1, and the locking assembly 54 comprises a locking pin 58 which can be selectively moved; when the side support body 2 is turned to a preset position relative to the main support body 1, the lock pins 58 are in locking fit with the corresponding locking holes, and limit and lock the limit disc 57.
The side support body 2 comprises an auxiliary support body 9, the front part and the rear part of which extend towards the middle of the main support body 1, and when the side support body 2 is tiled on the left side and the right side of the main support body 1, the main support body 1 is surrounded by the auxiliary support body 9 and the side support body 2; the auxiliary supporting body 9 is a part of the side supporting body 2, the limiting plate 57 is installed on the side supporting body 2, and in the embodiment, the limiting plate 57 is installed on the front auxiliary supporting body 9; the lock pin 58 moves in the seat depth direction, and the stopper 57 is disposed against the movement direction of the lock pin 58.
The limiting plate 57 is fixedly connected to the auxiliary support body 9 extending out of the side support body 2 and is rotatably connected with the main support body 1 through the rotating shaft 7; the limiting plate 57 is correspondingly provided with a lock pin 58, and the lock pin 58 can be inserted into or withdrawn from the locking hole to lock or unlock the limiting plate 57; the two locking holes are a sitting posture locking hole 59 and a standing posture locking hole 510 respectively, in a sitting posture state, the side support bodies 2 are flatly paved on two sides of the main support body 1, the sitting posture locking hole 59 on the limiting disc 57 is aligned with the locking pin 58, and at the moment, the locking pin 58 moves along the depth direction of the seat and is inserted into the sitting posture locking hole 59 to lock the seat in the sitting posture state; in the standing posture state, the side support body 2 is turned up to the vertical posture, the standing posture locking hole 510 on the limiting plate 57 is aligned with the locking pin 58, and at the moment, the locking pin 58 moves along the depth direction of the seat and is inserted into the standing posture locking hole 510, so that the seat can be locked in the standing posture state; when the seat needs to be changed between the sitting and standing states, the lock pin 58 moves in the depth direction of the seat and withdraws from the lock hole, so that the side support body 2 can rotate relative to the main support body 1 to switch the desired seat state.
The main support body 1 is provided with an assembly seat 512, and the assembly seat 512 comprises a rotating shaft seat plate 513 and a bottom plate seat 514 used for connecting the main support body 1; the rotating shaft seat board 513 is positioned at the front side of the main support body 1, and the limiting disc 57 is rotationally connected with the rotating shaft seat board 513 through a rotating shaft 7; the limiting plate 57 is a quarter-round plate, the limiting plate 57 is provided with a connecting plate 515 for connecting and fixing the auxiliary supporting body 9, the connecting plate 515 is bent relative to the limiting plate 57, the limiting plate 57 is connected with the connecting plate 515 through a support arm 93, and the limiting plate 57, the connecting plate 515 and the support arm 93 are integrally formed.
The lock pin 58 is required to move in the seat front-rear direction when the lock pin 57 performs the lock locking of the lock plate 57, specifically:
as shown in fig. 16 and 17, the locking assembly 54 includes a mounting seat 517 and a pulling piece 518, the mounting seat 517 is disposed on the rotating shaft seat plate 513, the mounting seat 517 includes a fixing portion 519 connected to the rotating shaft seat plate 513 and a cross plate 520 for mounting the pulling piece 518, and the cross plate 520 is integrally formed with the fixing portion 519; the rotating shaft seat board 513 is provided with a guide piece 610, the guide piece 610 is fixedly connected with the rotating shaft seat board 513, the guide piece 610 is a U-shaped plate body and comprises a guide plate 611 provided with a guide hole 521, and the lock pin 58 is arranged in the guide hole 521; the poking piece 518 is vertically arranged and rotationally connected to the transverse plate 520, one end of the poking piece 518 is rotationally connected with the transverse plate 520, the other end of the poking piece 518 is connected with the lock pin 58, the poking piece 518 is connected with a control component, the control component is arranged in the middle of the poking piece 518, the control component controls the poking piece 518 to rotate relative to the mounting seat 517, and meanwhile the poking piece 518 drives the lock pin 58 to move; the control assembly is a control wire assembly 522.
One end of the poking piece 518 connected with the lock pin 58 is provided with a pin shaft hole 523, and the lock pin 58 is rotatably inserted into the pin shaft hole 523 and relatively fixed along the length direction of the lock pin 58; specifically, as shown in fig. 18 and 19, an elastic rubber member 95 with a small hole 96 at the center is fixed in the pin hole 523, and the elastic rubber member 95 can elastically deform in the pin hole 523; the tail end of the lock pin 58 is inserted into one end of the pin hole 523, the annular groove 524 is cut towards the center along the radial direction, when the lock pin 58 is inserted into the pin hole 523, the tail end of the lock pin 58 enters the small hole 96 of the elastic rubber member 95, the small hole 96 is elastically deformed and is enlarged until the annular groove 524 enters the small hole 96, the small hole 96 is partially deformed, meanwhile, the elastic rubber member 95 is clamped into the annular groove 524 and clamps the lock pin 58, the elasticity of the elastic rubber member 95 enables the lock pin 58 and the poking piece 518 to deflect at a certain angle, and the lock pin 58 is rotatably inserted into the pin hole 523 and relatively fixed along the length direction of the lock pin 58.
A vertical plate 94 is extended downwards from one end of the transverse plate 520 far away from the rotating shaft seat plate 513, a spring mounting seat 612 is integrally formed on the vertical plate 94, the spring mounting seat 612 is aligned with the lock pin 58, and a lock pin reset spring 527 is sleeved on the spring mounting seat 612; a lock pin positioning spring 613 with a preset compression amount is sleeved on the lock pin 58 in front of the shifting block 518, and the lock pin positioning spring 613 abuts against the guide plate 611 and acts on the shifting block 518.
When the control wire assembly 522 controls the pulling plate 518 to rotate relative to the mounting base 517, the pulling plate 518 drives the lock pin 58 to enable the lock pin 58 to move backwards along the direction of the guide hole 521, the lock pin 58 moves away from the locking hole, and simultaneously the pulling plate 518 compresses the lock pin return spring 527 and the lock pin positioning spring 613 stretches; releasing the control pull wire assembly 522, the latch return spring 527 resiliently urges the paddle 518, which in combination with the latch positioning spring 613 causes the latch 58 to be inserted into the locking aperture and return to the home position, while the paddle 518 also rotates back to the home position.
Example 2: the present embodiment is different from embodiment 1 in that in the standing posture state, the standing posture support portion 10 is newly designed in consideration of the sitting posture of the user and satisfying the riding requirement of the user.
A seat for preventing sedentary problems comprises a seat, wherein the seat comprises at least one pair of side supports 2 arranged in a mirror image manner, and the side supports 2 have two states, namely a flat seat surface state and a saddle state; the side support body 2 is provided with an inner side part 3 and an outer side part 4, the outer side parts 4 of the two side support bodies 2 are provided with standing position bearing parts 10, and the standing position bearing parts 10 are configured to have radians suitable for placing thighs; when the two side support bodies 2 are in a horizontal state, the inner side part 3 is close to the outer side part 4 is far away from the inner side part, the side support bodies 2 are in a flat-laid seat surface state, and the standing posture supporting parts 10 hang down on two sides of the seat; when the outer side part 4 is higher than the inner side part 3 and the two standing position supporting parts 10 are close, the outer side parts 4 of the two side supporting bodies 2 and the standing position supporting parts 10 form a saddle, and the side supporting bodies are in a saddle state.
Specifically, as shown in fig. 1 and 2, the outer portion 4 extends downward to form a standing posture supporting portion 10, the standing posture supporting portion 10 is a curved plate with a vertical ear shape and a curved surface, and the side supporting body 2 and the standing posture supporting portion 10 are integrally formed; when the side support body 2 is turned up and fixed, the two standing posture supporting parts 10 are close together, and meanwhile, the standing posture supporting parts 10 are converted from a sagging state into a substantially horizontal state which is favorable for supporting a human body, and at the moment, the two standing posture supporting parts 10 form a saddle with a narrower width compared with a seat surface in a sitting posture state for a user to sit.
Claims (6)
1. A seat for preventing sedentary problems, characterized in that: the chair comprises a chair seat, wherein the chair seat comprises at least one pair of side supporting bodies which are arranged in a mirror image mode, and the side supporting bodies are in two states which are respectively a flat seat surface state and a saddle state; the side supports are provided with an inner side part and an outer side part, and standing posture supporting parts with round notches at the front ends are arranged at the outer side parts of the two side supports; when the side supports are in a flat-laid seat surface state, the two side supports are in a horizontal state, the inner side parts are close to each other, the outer side parts are far away from each other, and the standing posture bearing part sags on two sides of the seat; when the side support body is in a saddle state, the outer side part is higher than the inner side part, the two standing posture supporting parts are close to each other, the standing posture supporting parts and the outer side part form a seat surface together, and in the state, the standing posture supporting parts have the curvature from back to front and downward, and are smoothly close to the side support body to be integrated; the standing posture supporting part is provided with a front part, a middle part and a rear part; the length of the front part of the standing posture supporting part is smaller than the length of the front part of the standing posture supporting part in the height direction when the side supporting body is in a saddle state, and the front part of the standing posture supporting part is formed by extending the front part of the side supporting body to two sides; the middle part of the standing posture supporting part is oblong, and the middle part of the standing posture supporting part is formed by extending the middle part of the side supporting body obliquely downwards; the rear part of the standing posture supporting part is approximately horizontal, and the rear part of the standing posture supporting part is formed by extending the rear parts of the side supporting bodies to two sides; the widths of the middle part and the rear part of the standing posture supporting part are larger than the width of the front part of the standing posture supporting part; the chair seat also comprises a main support body, wherein the side support bodies are symmetrically arranged at the left side and the right side of the main support body, are rotationally connected with the main support body, and are far away from the main support body along the width direction; when the side support body is in a flat-laid seat surface state, the main support body and the side support body form a seat surface for a user to sit flat; the outer side surface of the outer side part of the side support body is provided with a curvature for waisting in the front-rear direction, and when the side support body is in a saddle state, a part of the seat surface formed by the outer side part is a curved surface with a high front-rear middle and a low rear end higher than the front end.
2. The seat for preventing sedentary problems according to claim 1, wherein: the side support body and the standing position bearing part are integrally formed platy bodies.
3. The seat for preventing sedentary problems according to claim 1, wherein: the side supporting bodies are approximately U-shaped on the horizontal plane, and when the side supporting bodies are in a flat-laying seat surface state, the main supporting body is surrounded by the two side supporting bodies; the rotary connection positions of the side support bodies are positioned at the inner sides of the front end and the rear end of the main support body.
4. The seat for preventing sedentary problems according to claim 1, wherein: the support seat is arranged below the main support body, the support seat is configured to be connected with a seat support assembly, the middle part of the support seat is sunken, the front end and the rear end of the support seat are upturned, the main support body is supported by the front end and the rear end of the support seat, and the side support body is rotationally connected with the main support body or the support seat.
5. The seat for preventing sedentary problems according to claim 1, wherein: the side support body is limited in a flat seat surface state or a saddle state by the limiting mechanism; the limiting mechanism comprises a limiting piece and a locking assembly, wherein the limiting piece is arranged on one of the main support body or the side support body and is provided with at least two locking positions; a locking assembly mounted on the other of the main support or the side support, the locking assembly including a selectively movable locking pin; when the side support body is in a flat seat surface state or a saddle state, the lock pin is in locking fit with the corresponding locking position to limit and lock the limiting piece.
6. The seat for preventing sedentary problems according to claim 5, wherein: the limiting piece is a disc-shaped body, and the disc-shaped body is arranged against the moving direction of the lock pin; the locking position is a locking groove or a locking hole formed in the limiting piece, and the locking pin moves along the depth direction of the seat.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020101550432 | 2020-03-09 | ||
| CN202010155043 | 2020-03-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112220261A CN112220261A (en) | 2021-01-15 |
| CN112220261B true CN112220261B (en) | 2023-07-25 |
Family
ID=72757024
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021173902.2U Active CN212878506U (en) | 2020-03-09 | 2020-06-22 | Chair for sitting and standing |
| CN202010576526.XA Active CN111772402B (en) | 2020-03-09 | 2020-06-22 | Chair for sitting and standing |
| CN202010971682.6A Active CN112220261B (en) | 2020-03-09 | 2020-09-16 | Seat capable of preventing sedentary problem |
| CN202022023296.2U Active CN213820632U (en) | 2020-03-09 | 2020-09-16 | Chair |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021173902.2U Active CN212878506U (en) | 2020-03-09 | 2020-06-22 | Chair for sitting and standing |
| CN202010576526.XA Active CN111772402B (en) | 2020-03-09 | 2020-06-22 | Chair for sitting and standing |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022023296.2U Active CN213820632U (en) | 2020-03-09 | 2020-09-16 | Chair |
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| CN (4) | CN212878506U (en) |
| WO (1) | WO2021179473A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021179473A1 (en) * | 2020-03-09 | 2021-09-16 | 永艺家具股份有限公司 | Sit-stand chair |
| CN111772401B (en) * | 2020-06-22 | 2024-09-10 | 永艺家具股份有限公司 | Locking mechanism of sitting and standing chair |
| CN111772407A (en) * | 2020-06-22 | 2020-10-16 | 永艺家具股份有限公司 | Limiting mechanism of chair for sitting and standing |
| CN114698966A (en) * | 2022-04-28 | 2022-07-05 | 叶龙华 | Balance chair with locking device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111772402B (en) | 2024-09-27 |
| CN112220261A (en) | 2021-01-15 |
| CN213820632U (en) | 2021-07-30 |
| CN111772402A (en) | 2020-10-16 |
| WO2021179473A1 (en) | 2021-09-16 |
| CN212878506U (en) | 2021-04-06 |
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