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CN217547615U - Seat with self-adaptation waist holds in palm - Google Patents

Seat with self-adaptation waist holds in palm Download PDF

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Publication number
CN217547615U
CN217547615U CN202122964338.7U CN202122964338U CN217547615U CN 217547615 U CN217547615 U CN 217547615U CN 202122964338 U CN202122964338 U CN 202122964338U CN 217547615 U CN217547615 U CN 217547615U
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China
Prior art keywords
waist
seat
linkage rod
chair back
chair
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CN202122964338.7U
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Chinese (zh)
Inventor
贺小余
钟红兴
黄广海
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Dakang Holding Co Ltd
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Dakang Holding Co Ltd
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Priority to CN202122964338.7U priority Critical patent/CN217547615U/en
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Abstract

The utility model relates to the field of seats, in particular to a seat with a self-adaptive waist support, which comprises a seat, a chair back arranged above the seat, and a waist rest body arranged between the chair back and the rear end part of the seat; the top of the waist support body is rotatably connected below the chair back, and the waist support body can rotate back and forth around a rotating shaft point at the upper end of the waist support body; the back end part of the waist rest body is connected with the seat or the tray through a linkage rod, the upper end part of the linkage rod is hinged with the waist rest body, and the lower end part of the linkage rod is hinged with the seat or the tray; the articulated shafts at the upper end and the lower end of the linkage rod are respectively provided with a torsional spring, and the linkage rod provides forward elastic supporting force for the waist rest body. The waist rest body of the chair adopts linkage type support, the movable range of the waist rest body is larger, and the waist rest body is suitable for fitting the waist of a human body under the condition of more sitting postures; the linkage type support can disperse stress; in the adjusting process, the supporting force applied to the waist is evenly distributed, and no obvious oppression feeling exists.

Description

Seat with self-adaptive waist support
Technical Field
The utility model relates to a seat field especially relates to a seat with self-adaptation waist holds in palm.
Background
The seat is one kind has the back, the thing to sit on of handrail, back on the seat is generally vertical type or oblique upright type, when the user pastes the back on the back, because can have certain space between user's back waist and the back, make the unable complete subsides of human back paste on the back, the supporting role of back to human back has been reduced, make human use comfort have been reduced, in addition market one kind has the seat that back lumbar was leaned on, but the lumbar is for fixing motionless on the back, because user's different backs paste and lean on the position that leans on at the waist also can be different, make user's use comfort reduced.
On this basis, it states a self-interacting waist that is used for on seat in the chinese utility model patent text of bulletin board "CN204764436U", and its technical scheme main points are including setting up the waist on the back and lean on, the waist is leaned on the rotation and is installed on the back surface, the waist is leaned on a side surface towards the back and is provided with the recess, be equipped with the elasticity regulating part in the recess, the elasticity regulating part is contradicted the back surface and is used for adjusting the position of replying the waist. The utility model discloses a self-interacting waist that is used for on seat leans on through the rotation of waist on the back to cooperation elasticity regulating part makes can adjust the angle that the waist leaned on the back, improves user's result of use and comfort level on the seat. The angle of the waist support can be adjusted when a user sits so as to be adaptive to the waist and the back of the user; but the whole moving range of the waist rest is small and very limited because of the limit of the rotating position and the elastic structure.
The waist support is required to be elastically supported within the small moving range, so that stress of the elastic adjusting piece for supporting the waist support is concentrated, the waist support can generate obvious oppression to the waist when in use, and the waist support can be attached to the waist of a human body, but the use comfort of the waist support can be reduced.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a seat with an adaptive lumbar support, wherein a lumbar support body of the seat is supported in a linkage manner, and the movable range of the lumbar support body is larger, so that the seat is suitable for fitting the waist of a human body under more sitting postures, such as adjusting the inclination angle of a chair back; and the linkage type support can disperse the stress; in the adjusting process, the supporting force applied to the waist is evenly distributed, so that the comfort can be felt by the body; no obvious oppressive feeling exists.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a chair with a self-adaptive waist support comprises a chair seat, a chair back arranged above the chair seat and a waist rest body positioned between the chair back and the rear end part of the chair seat; the method is characterized in that: the top of the waist support body is rotatably connected below the chair back, and the waist support body can rotate back and forth around a rotating shaft point at the upper end of the waist support body; the back end part of the waist rest body is connected with the seat or the tray through a linkage rod, the upper end part of the linkage rod is hinged with the waist rest body, and the lower end part of the linkage rod is hinged with the seat or the tray; the articulated shafts at the upper end and the lower end of the linkage rod are respectively provided with a torsional spring, and the linkage rod provides forward elastic supporting force for the waist rest body.
The above technical scheme is adopted in the utility model, this technical scheme relates to a seat with self-adaptation waist holds in the palm, sets up the waist between the back of the chair of this seat and the seat support rear end and leans on the body, and the waist is leaned on the body and is used for laminating human waist and support. In this scheme, the top of the waist support body in this scheme is rotated and is connected in back of the chair below, and lower tip is by elastic support, can follow hinged end automatic adjustment according to the position of sitting of the person of taking during the use to this realizes the human waist curve of self-adaptation laminating. On this basis, the back tip of the waist in this scheme leans on the body passes through on the gangbar connects seat support or tray, and the upper and lower both ends of gangbar are articulated to be set up, and are provided with the torsional spring on the articulated end and provide elastic support power. Based on the structure, the waist rest body adopts linkage type support, the movable range of the waist rest body is larger, and the waist rest body is suitable for fitting the waist of a human body under more sitting postures, such as adjusting the inclination angle of a chair back; the linkage type support can disperse stress; in the adjusting process, the supporting force applied to the waist is evenly distributed, so that the body can feel comfortable; no obvious oppressive feeling exists.
Preferably, the front end of the lumbar support body is provided with an arc-shaped elastic supporting surface which protrudes forwards and is provided with a backward opening. In the technical scheme, the arc-shaped elastic supporting surface can be attached in a self-adaptive manner based on the waist curve depended on, and the linkage type supporting structure is combined on the other hand, so that the waist of a human body can provide an oblique downward force to the arc-shaped elastic supporting surface when the human body sits on, and the direction of the acting force is the same as the rotating direction of the lumbar support body, so that the lumbar support body rotates along the hinged end of the lumbar support body and the linkage rod is supported more smoothly.
Preferably, the middle lower part of the rear end of the lumbar support body is connected and fixed backwards or integrally extended to form a support rod, and the upper end part of the linkage rod is hinged with the support rod respectively. In the technical scheme, the supporting rod is hinged with the linkage rod and transmits the stress of the waist rest body to the linkage rod.
Among the above-mentioned technical scheme, owing to need to lean on the body activity to set up between back of the chair and seat support rear end with the waist, and the waist leans on the body to adopt coordinated type to support, the home range is bigger. On the basis, a chair back supporting frame is connected to the chair seat or the tray and is annular; the lower end of the chair back is fixedly connected with the chair back supporting frame, the lumbar support body is positioned in the frame of the chair back supporting frame, and the upper end part of the lumbar support body is hinged on the chair back supporting frame. Therefore, the chair back support frame in the scheme is a connecting support bracket for the chair back and the lumbar support body on one hand, and a space provided for the movable arrangement of the lumbar support body by the annular structure of the chair back support frame on the other hand.
In a further scheme, the tray is a tilting tray, the lower end part of the chair back supporting frame and the lower end part of the linkage rod are arranged on the movable part of the tray, and the linkage rod can also rotate relative to the movable part of the tray. In the technical scheme, the chair back supporting frame and the chair back and waist rest bodies connected with the chair back supporting frame can realize tilting and tilting swing based on the tilting tray; in the process of inclining, the linkage type supporting range of the waist support body is large, the waist support body is adaptive to fit the waist of a rider, and the comfort is good.
In a specific scheme, the rear end of the tilting tray is linked with a telescopic adjusting assembly, the rear end of the telescopic adjusting assembly is connected with a mounting seat, the lower end part of a chair back supporting frame is locked and fixed through the mounting seat, and the lower end part of a linkage rod is hinged to the mounting seat. The telescopic adjusting assembly is used for sliding adjustment during installation, and is suitable for adjustment on different model differences or adjustment on process errors of the same product. The setting of mount pad has fixed back of the chair braced frame on the one hand, and on the other hand provides the basis for the articulated of gangbar.
Drawings
Fig. 1 is a perspective view of a seat according to the present invention.
Fig. 2 is a side structure view of the chair in an unstressed state according to the invention.
Fig. 3 is a side structural view of the chair related to the invention in a stressed state.
Figure 4 is a schematic view of the connection of the lumbar support body to the back support frame.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1 to 4, the present embodiment relates to a chair with an adaptive lumbar support, which includes a seat 1, a backrest 2 installed above the seat 1, and a lumbar support body 3 located between the backrest 2 and a rear end of the seat 1. The top of the lumbar support body 3 is rotatably connected below the chair back 2, and the lumbar support body 3 can rotate back and forth around the rotating shaft point at the upper end of the lumbar support body. The back end part of the lumbar support body 3 is connected with the seat 1 or the tray 4 through a linkage rod 5, the upper end part of the linkage rod 5 is hinged with the lumbar support body 3, and the lower end part of the linkage rod 5 is hinged on the seat 1 or the tray 4. The articulated shafts at the upper end and the lower end of the linkage rod 5 are respectively provided with a torsional spring, and the linkage rod 5 provides forward elastic supporting force for the waist rest body 3. A waist support body 3 is arranged between the back end part of a chair back 2 and the back end part of a chair seat 1 of the chair, and the waist support body 3 is used for being attached to the waist of a human body to support. In this scheme, the top of the waist support body 3 in this scheme is rotated and is connected in back of the chair 2 below, and lower tip is supported by elastic support, can follow hinged end automatic adjustment according to the position of sitting of the person of taking during the use to this realizes the human waist curve of self-adaptation laminating. On this basis, the back end of the waist rest body 3 in the scheme is connected with the seat 1 or the tray 4 through the linkage rod 5, the upper end and the lower end of the linkage rod 5 are hinged, and the hinged end is provided with a torsion spring for providing elastic supporting force. Based on the structure, the lumbar support body 3 adopts linkage type support, the moving range of the lumbar support body 3 is larger, and the lumbar support is suitable for fitting the waist of a human body under more sitting postures, such as when the inclination angle of the chair back 2 is adjusted. And the linkage type support can disperse the stress. In the adjusting process, the supporting force applied to the waist is evenly distributed, so that the comfort can be felt by the body. No obvious oppressive feeling exists.
In the solution shown in fig. 4, the front end of the lumbar support body 3 is configured with an arc-shaped elastic support surface protruding forwards and opening backwards. The arc-shaped elastic supporting surface can be an elastic mesh supporting surface, and also can be a flexible supporting surface formed by wrapping a core layer with a surface layer at the front end of the lumbar support body 3. Among this technical scheme, the curved elastic support face of arc can be based on the curved self-adaptation laminating of waist that relies on the one hand, and on the other hand combines above-mentioned coordinated type bearing structure, and human waist can provide a slant decurrent power to curved elastic support face when taking, and this effort direction is syntropy with the rotation direction of lumbar support body 3 to make lumbar support body 3 rotate along its hinged end and the support of gangbar 5 is more smooth.
As shown in fig. 2 or 3, a support rod 31 is fixedly connected to the rear end of the lumbar support body 3 or integrally extends from the middle lower portion of the rear end of the lumbar support body, and the upper end of the linkage rod 5 is hinged to the support rod 31. In the technical scheme, the supporting rod 31 is hinged with the linkage rod 5 and transmits the stress of the lumbar support body 3 to the linkage rod 5.
Among the above-mentioned technical scheme, owing to need to lean on body 3 activity to set up between back of the chair 2 and seat support 1 rear end, and the waist leans on body 3 to adopt coordinated type to support, and the home range is bigger. On the basis, a chair back supporting frame 6 is connected to the chair seat 1 or the tray 4, and a chair back 2 supporting frame is annular. The lower end of the chair back 2 is fixedly connected with the chair back supporting frame 6, the lumbar support body 3 is positioned in the frame of the chair back 2 supporting frame, and the upper end part of the lumbar support body 3 is hinged on the chair back 2 supporting frame. Thus, the backrest support frame 6 in this solution is a connecting support bracket for the backrest 2 and the lumbar support body 3, and a space provided for the movable arrangement of the lumbar support body 3 by the annular structure thereof.
In a further scheme, the tray 4 is a tilting tray, the lower end part of the supporting frame of the chair back 2 and the lower end part of the linkage rod 5 are arranged on the movable part of the tray 4, and the linkage rod 5 can also rotate relative to the movable part 41 of the tray 4. In the technical scheme, the chair back 2 support frame and the chair back 2 and the lumbar support body 3 connected with the chair back 2 support frame can realize tilting swing based on the tilting tray. In the process of inclining, the linkage type supporting range of the waist support body 3 is large, the waist support body 3 is adaptive to fit the waist of a user, and the comfort is good. In the specific scheme, the rear end of the tilting tray is linked with a telescopic adjusting component 42, the rear end of the telescopic adjusting component 42 is connected with a mounting seat 43, the lower end part of a supporting frame of the chair back 2 is locked and fixed through the mounting seat 43, and the lower end part of a linkage rod 5 is hinged on the mounting seat 43. The telescopic adjusting assembly 42 is used for sliding adjustment during installation, and is suitable for adjustment of different models or adjustment of process errors of the same product. The arrangement of the mounting seat 43 fixes the supporting frame of the chair back 2 on one hand and provides a foundation for the hinging of the linkage rod 5 on the other hand.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.

Claims (7)

1. A chair with a self-adaptive waist support comprises a chair seat (1), a chair back (2) arranged above the chair seat (1), and a waist support body (3) positioned between the chair back (2) and the rear end part of the chair seat (1); the method is characterized in that: the top of the waist support body (3) is rotatably connected below the chair back (2), and the waist support body (3) can rotate back and forth around a rotating shaft point at the upper end of the waist support body; the rear end part of the lumbar support body (3) is connected with the seat (1) or the tray (4) through a linkage rod (5), the upper end part of the linkage rod (5) is hinged with the lumbar support body (3), and the lower end part of the linkage rod (5) is hinged on the seat (1) or the tray (4); the articulated shafts at the upper end and the lower end of the linkage rod (5) are respectively provided with a torsional spring, and the linkage rod (5) provides forward elastic supporting force for the waist rest body (3).
2. A seat with an adaptive lumbar support according to claim 1, wherein: the front end of the waist rest body (3) is provided with an arc-shaped elastic supporting surface which protrudes forwards and has a backward opening.
3. A seat having an adaptive lumbar support according to claim 2, wherein: the middle lower part of the rear end of the waist support body (3) is fixedly connected with the rear part of the waist support body or integrally extended to form a support rod (31), and the upper end part of the linkage rod (5) is hinged with the support rod (31) respectively.
4. A seat having an adaptive lumbar support according to claim 2, wherein: the chair back support frame (6) is connected to the chair seat (1) or the tray (4), and the lower end of the chair back (2) is connected and fixed to the chair back support frame (6).
5. A seat with an adaptive lumbar support according to claim 4, wherein: the chair back (2) supporting frame is annular, the waist support body (3) is positioned in the frame of the chair back (2) supporting frame, and the upper end part of the waist support body (3) is hinged on the chair back (2) supporting frame.
6. A seat with an adaptive lumbar support according to claim 5, wherein: the tray (4) is a tilting tray, the lower end part of the supporting frame of the chair back (2) and the lower end part of the linkage rod (5) are arranged on the movable part (41) of the tray (4), and the linkage rod (5) can also rotate relative to the movable part (41) of the tray (4).
7. A seat with an adaptive lumbar support according to claim 6, wherein: the rear end of the tilting tray is linked with a telescopic adjusting component (42), the rear end of the telescopic adjusting component (42) is connected with a mounting seat (43), the lower end part of a supporting frame of the chair back (2) is locked and fixed through the mounting seat (43), and the lower end part of a linkage rod (5) is hinged on the mounting seat (43).
CN202122964338.7U 2021-11-22 2021-11-22 Seat with self-adaptation waist holds in palm Active CN217547615U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122964338.7U CN217547615U (en) 2021-11-22 2021-11-22 Seat with self-adaptation waist holds in palm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122964338.7U CN217547615U (en) 2021-11-22 2021-11-22 Seat with self-adaptation waist holds in palm

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CN217547615U true CN217547615U (en) 2022-10-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116250692A (en) * 2023-03-06 2023-06-13 南京林业大学 An adaptive adjustable leisure chair

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116250692A (en) * 2023-03-06 2023-06-13 南京林业大学 An adaptive adjustable leisure chair

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