CN113812790B - Compression type linkage mechanism of seat, seat support and seat unit - Google Patents
Compression type linkage mechanism of seat, seat support and seat unit Download PDFInfo
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- CN113812790B CN113812790B CN202110948484.2A CN202110948484A CN113812790B CN 113812790 B CN113812790 B CN 113812790B CN 202110948484 A CN202110948484 A CN 202110948484A CN 113812790 B CN113812790 B CN 113812790B
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- seat
- seat frame
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- leg
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- 230000007246 mechanism Effects 0.000 title claims abstract description 36
- 230000006835 compression Effects 0.000 title claims abstract description 17
- 238000007906 compression Methods 0.000 title claims abstract description 17
- 238000009434 installation Methods 0.000 claims description 23
- 238000005452 bending Methods 0.000 claims description 2
- 230000008602 contraction Effects 0.000 abstract description 3
- 230000036544 posture Effects 0.000 description 8
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Classifications
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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
- A47C7/00—Parts, details, or accessories of chairs or stools
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/02—Seat parts
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/50—Supports for the feet or the legs coupled to fixed parts of the chair
- A47C7/506—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention relates to a compression type linkage mechanism, a seat bracket and a seat unit of a seat, which comprise leg telescopic components, a seat frame mounting frame, a backrest piece and a linkage component, wherein the leg telescopic components and the backrest piece are respectively arranged at two ends of the seat frame mounting frame; the linkage assembly comprises a linkage limiting piece, a mounting side plate and a backrest connecting piece, one end of the linkage limiting piece is hinged with the outer side wall of the seat frame mounting frame, the other end of the linkage limiting piece is hinged with one end of the mounting side plate, the other end of the mounting side plate is connected with the backrest connecting piece, and the backrest connecting piece is hinged with the backrest connecting piece; the seat frame mounting frame comprises a seat frame mounting frame, wherein a mounting platform is arranged on the inner side wall of the seat frame mounting frame, the height of the mounting platform is lower than the upper edge of the seat frame mounting frame, and the mounting platform is used for mounting the seat frame. The invention reduces the longitudinal height of the linkage mechanism after contraction by adjusting the structures of the linkage assembly and the seat frame mounting frame, increases the height of the support legs of the seat unit and increases the seat depth, and can be applied to the seat style with high support legs and low seat height.
Description
Technical Field
The invention relates to the technical field of seat supports, in particular to a compression type linkage mechanism of a seat, a seat support and a seat unit.
Background
With the improvement of living standard of people, functional sofas and seats are more and more common in life. As functional seats include lounges, armchairs, sofas, combination seats, cinema seats and seating units with moving seats. The functional seat with the telescopic device can be adjusted among the sitting position, the leisure position and the lying position through the telescopic device.
The existing seating units have the following drawbacks: in the retracted sitting position, the leg telescoping assemblies and the link linkage assemblies of the seat unit cannot be fully concealed below the seat frame; when the seat is designed into a high-support low-seat high seat style, the foot rest of the leg telescopic assembly is easy to rub against the ground, so that the use of a user is affected; the space at the bottom of the seat frame is narrow and difficult to clean; the finished seat has thick and heavy appearance and poor aesthetic property. Therefore, it is necessary to provide a compression type mechanical telescopic support based on the prior art, so that a larger space is provided below the seat frame, and the seat style of high support legs and low seat height is satisfied.
Disclosure of Invention
In view of the above problems in the prior art, an object of the present invention is to provide a compression-type linkage mechanism for a seat, including a seat frame mounting frame, a backrest member and a linkage assembly, wherein the backrest member is disposed at one end of the seat frame mounting frame, and the linkage assembly is disposed below the seat frame mounting frame;
The seat frame installation rack is characterized in that an installation platform is arranged on the inner side wall of the seat frame installation rack, the height of the installation platform is lower than the upper edge of the seat frame installation rack, and the installation platform is used for installing a seat frame;
The linkage assembly comprises a linkage limiting part, an installation side plate and a backrest connecting part, wherein one end of the linkage limiting part is hinged with the outer side wall of the seat frame installation frame, the other end of the linkage limiting part is hinged with one end of the installation side plate, the other end of the installation side plate is connected with the backrest connecting part, and the backrest connecting part is hinged with the backrest connecting part.
Further, the linkage limiting piece is a hook-shaped connecting piece, the hook-shaped connecting piece comprises a first connecting portion connected with the installation side plate and a second connecting portion connected with the seat frame installation frame, and the opening direction of the first connecting portion connected with the second connecting portion faces the seat frame installation frame.
Further, a first limiting piece is arranged on the backrest connecting piece and is abutted with the middle part of the backrest piece so as to limit the rotation angle of the backrest piece.
Further, a second limiting part is arranged on the seat frame mounting frame, the second limiting part is arranged in front of the linkage limiting part, and when the linkage limiting part rotates forwards along with the movement of the seat frame mounting frame and is in butt joint with the second limiting part, the backrest part rotates backwards relative to the seat frame mounting frame.
Further, the mounting side plate is fixedly connected with the backrest connecting piece or integrally formed.
Further, the seat leg connecting device further comprises a leg connecting piece, one end of the leg connecting piece is connected with the installation side plate, the other end of the leg connecting piece is used for being connected with a leg telescopic assembly of the seat, and the leg connecting piece is a rod-shaped connecting piece or an elastic connecting piece.
Further, when the leg connecting piece is a rod-shaped connecting piece, the backrest piece is simultaneously rotated and adjusted when the leg connecting rod enables the linkage assembly to move, and the linkage mechanism can be adjusted between a sitting position and a lying position.
Further, when the leg link is an elastic link, the linkage can be adjusted between a sitting, a resting and a lying position.
The invention also provides a seat support, which comprises a leg telescopic assembly and the compression type linkage mechanism, wherein the leg telescopic assembly is used for extending or contracting below the linkage mechanism in front of the linkage mechanism, an inclined plane where the mounting platform is positioned is a seat frame mounting surface, and when the compression type linkage mechanism contracts to a limit position, the distance H1 between the highest point of the seat frame mounting frame on the seat frame mounting surface and the lowest point of the leg telescopic assembly in the vertical direction is not more than 170mm.
Further, the leg extension assembly includes a main foot rest having a foot rest surface perpendicular to a horizontal plane when the leg extension assembly is retracted to an extreme position.
Further, when the leg extension and retraction assembly is retracted to the limit position, a distance H2 between a highest point of the seat frame mounting frame on the seat frame mounting surface and a lowest point of the main foot rest in a vertical direction is not greater than 95mm, and a foot rest surface length L of the main foot rest is not greater than 65mm.
Further, the leg extension and retraction assembly further comprises a link assembly comprising a first link, a second link, a third link and a fourth link;
The first connecting rod one end with seat frame mounting bracket is articulated, the other end with the second connecting rod is articulated, the second connecting rod with main foot rest piece is articulated, third connecting rod one end with seat frame mounting bracket is articulated, the other end with the fourth connecting rod is articulated, the fourth connecting rod with main foot rest piece is articulated, the optional position in fourth connecting rod middle part with the middle part cross connection of first connecting rod, the third connecting rod with seat frame mounting bracket articulated one end still is used for with even leg piece is articulated.
Further, the leg extension assembly further comprises an extension foot rest, one end of the extension foot rest is hinged with the main foot rest, and the middle part of the extension foot rest is connected with the second connecting rod through an extension connecting piece.
The present invention also provides a seating unit including: a seat frame, a seat frame and the seat bracket;
The seat support is two sets of and sets up relatively, link gear with seat frame's medial surface fixed connection, the seat frame passes through mounting platform sets up two between the seat frame mounting bracket.
Further, the novel seat comprises seat legs which are arranged below the seat frame, and the height of each seat leg is 120-150mm.
Due to the technical scheme, the invention has the following beneficial effects:
the seat frame mounting platform reduces the height on the seat frame mounting frame, so that the mounting height of the seat frame is reduced, the seat depth is increased, the seat leg telescopic assembly and the linkage assembly are simple and compact in structure, the vertical height of the seat support after shrinkage is further compressed, the bottom space of the seat frame can be increased, and the seat frame mounting platform is convenient to clean. The compression type linkage mechanism meets the requirements of the style of the high-support low-seat high chair.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the following description will make a brief introduction to the drawings used in the description of the embodiments or the prior art. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic diagram of a linkage mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic view of the other face of FIG. 1;
FIG. 3 is a schematic view of a seat support according to an embodiment of the present invention;
FIG. 4 is a schematic view of a reclining position of a seat support according to an embodiment of the present invention;
FIG. 5 is a schematic view of a seat support with a drive mechanism according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of another embodiment of a linkage mechanism according to an embodiment of the present invention;
FIG. 7 is a schematic view of the other face structure of FIG. 6;
FIG. 8 is a schematic view of a seat unit according to an embodiment of the present invention;
Fig. 9 is a side view of a seating unit in accordance with an embodiment of the present invention.
Wherein, the reference numerals are as follows: 1-leg extension assembly, 11-link assembly, 111-first link, 112-second link, 113-third link, 114-fourth link, 12-main foot rest, 13-extension foot rest, 14-extension link, 2-seat frame mount, 20-seat frame mounting face, 21-mounting platform, 3-backrest, 4-linkage assembly, 41-linkage limiter, 411-first connection, 412-second connection, 42-mounting side plate, 22-second limiter, 43-backrest connection, 431-first limiter, 5-leg link, 51-elastic return, 6-seat frame, 7-seat frame, 8-seat leg, 9-drive mechanism, 91-drive lever, 92-motor assembly, 93-fixed lever.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the invention. In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may include one or more of the feature, either explicitly or implicitly. Moreover, the terms "first," "second," and the like, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly attached, detachably attached, or integrally attached; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Examples
As shown in fig. 1 to 5, the present embodiment provides a compression type linkage mechanism of a seat, which comprises a seat frame mounting frame 2, a backrest member 3 and a linkage assembly 4, wherein the backrest member 3 is arranged at one end of the seat frame mounting frame 2, the linkage assembly 4 is arranged below the seat frame mounting frame 2, and the linkage assembly 4 is used for driving the seat frame mounting frame 2 and the backrest member 3 to move;
The mounting platform 21 is arranged on the inner side wall of the seat frame mounting frame 2, the height of the mounting platform 21 is lower than the upper edge of the seat frame mounting frame 2, and the mounting platform 21 is used for mounting the seat frame 6. In some embodiments, the mounting platform 21 may be integrally bent with the side wall of the bezel mounting frame 2. At least one mounting platform 21 is arranged, and the inclined plane where the mounting platform is arranged is the seat frame mounting surface 20. In this embodiment, four mounting platforms are included, the mounting platforms are arranged along the length direction of the seat frame mounting frame 2, and the seat frame 6 is fixedly mounted on the mounting platforms by fasteners such as bolts, nuts or rivets. The seat frame mounting platform 21 is lowered, so that the mounting height of the seat frame 6 is lowered, the seat depth is increased, and the thickness of the soft package of the seat cushion can be properly increased, so that the comfort level is improved. Under the condition that the height of the seat is unchanged and the mounting surface of the seat frame is reduced, the height of the seat support legs can be increased, and the lower space of the seat frame is enlarged.
The linkage assembly 4 comprises a linkage limiting piece 41, a mounting side plate 42 and a backrest connecting piece 43, one end of the linkage limiting piece 41 is hinged with the outer side wall of the seat frame mounting frame 2, the other end of the linkage limiting piece is hinged with one end of the mounting side plate 42, the other end of the mounting side plate 42 is connected with the backrest connecting piece 43, and the backrest connecting piece 43 is hinged with the backrest 3.
Specifically, the link stopper 41 is a hook-shaped connector including a first connecting portion 411 connected to the mounting side plate 42 and a second connecting portion 412 connected to the seat frame mounting frame 2, and an opening direction of the first connecting portion 411 connected to the second connecting portion 412 is directed toward the seat frame mounting frame 2. The link stopper 41 is hinged to the outer wall of the seat frame mounting frame so as not to interfere with the inner mounting platform 21. The opening of hook-shaped connecting piece is towards seat frame mounting bracket 2, and the bending point that first connecting portion 411 and second connecting portion 412 are connected is in the below, has increased the space between the seat frame mounting bracket 2, makes the linkage locating part 41 can not produce the interference with the inboard mounting platform 21 of seat frame mounting bracket 2 and seat frame 6 when the motion equally for mounting platform 21 can set up in seat frame mounting bracket 2 inboard, and the height reduces.
Specifically, the backrest connecting member 43 is provided with a first limiting member 431, the position of the first limiting member 431 is close to the hinge point of the backrest member 3 and the backrest connecting member 43, and the first limiting member 431 abuts against the middle edge of the backrest member 3 to limit the rotation angle of the backrest member 3. Specifically, when the seat frame mounting frame moves forward, the backrest member 3 rotates backward around the first stopper 431 to adjust the backrest angle.
Specifically, the seat frame mounting frame 2 is provided with a second limiting member 22, the second limiting member 22 is arranged in front of the linkage limiting member 41, and when the linkage limiting member 41 rotates forward along with the movement of the seat frame mounting frame 2 and abuts against the second limiting member 22, the backrest member 3 rotates backward relative to the seat frame mounting frame 2. Specifically, when the leg extension and retraction assembly 1 is extended forward, the mounting side plate 42 moves forward with the leg extension and retraction assembly 1, the link stopper 41 rotates forward, and when the link stopper 41 abuts against the second stopper 22, the seat frame mounting frame 2 continues to move forward with it, and the backrest 3 rotates backward.
Specifically, the mounting side plate 42 is fixedly connected or integrally formed with the back attachment 43. The mounting side plate 42 and the backrest connecting piece 43 can be two independent parts fixedly connected through a fastener; in other embodiments, the mounting side plate 42 and the backrest connecting member 43 may be integrally formed as an L-shaped side plate structure.
Specifically, the leg connecting piece 5 is further included, one end of the leg connecting piece 5 is connected with the mounting side plate 42, and the other end of the leg connecting piece 5 is used for being connected with the leg telescopic assembly 1 of the seat. It should be noted that, the connection point of the leg connecting piece 5 and the leg telescopic assembly 1 is also located at the outer side of the seat frame mounting frame 2, so as to avoid interference with the inner side mounting platform and the seat frame. The connection point of the leg link 5 of the present application to the mounting side plate 42 is located at the front end of the mounting side plate 42. Specifically, the connection point of the leg connecting piece 5 and the mounting side plate 42 is located on the mounting side plate in the hook-shaped opening direction of the linkage limiting piece 41, and the space between the mounting side plate in the hook-shaped opening direction of the linkage limiting piece 41 and the seat frame mounting frame 2 is large, so that interference between the leg connecting piece 5 and the linkage limiting piece 41 can be avoided.
In one embodiment of the present embodiment, the leg link 5 is a rod-shaped link, and the leg link 5 enables simultaneous rotational adjustment of the backrest 3 when the linkage assembly 4 is moved, and the linkage mechanism is adjustable between the sitting and lying positions. The seat unit applying the linkage mechanism of the embodiment can realize two positions of a sitting position and a lying position, and the leg telescopic assembly and the backrest piece are in a contracted state when in the sitting position; in the recumbent position, both the leg extension assembly and the backrest member extend to extreme positions.
In another possible implementation of this embodiment, as shown in fig. 6 and 7, the linkage can be adjusted between sitting, resting and lying positions when the leg link 5 is an elastic link. In this embodiment the resilient connecting element may be a spring, one end of which is connected to the mounting side plate 42 and the other end of which is connected to the leg extension assembly 1. The elastic connection member maintains a certain elastic restoring force between the leg extension and retraction assembly and the mounting side plate 42, so that the linkage mechanism can be smoother in the extension and retraction process, and the movement sequence of the leg extension and retraction assembly 1 and the backrest 3 is limited. In the present embodiment, the backrest 3 moves forward with the seat frame mount 2 but cannot rotate backward while the leg extension and contraction assembly 2 is extended forward from the sitting posture; when the leg telescopic assembly is extended to the limit position, the seat frame mounting frame moves obliquely upwards, and the backrest piece 3 rotates backwards when the seat is adjusted from the leisure posture to the lying posture; during contraction, the sequence of movements is reversed from that described above. The seat unit with the leg connecting piece can realize three positions and postures of sitting posture, leisure posture and lying posture, and the leg telescopic component and the backrest piece are in a contracted state when in the sitting posture; when the sitting position is at rest, the leg telescopic assembly stretches forwards to the limit position, and the backrest piece is kept at the same position as the sitting position; when in the lying position, the leg extension assembly extends forward to the extreme position and the backrest member rotates rearward to the extreme position.
In some embodiments, the above-mentioned embodiment may further include an elastic return member 51, where the elastic return member 51 is disposed at a middle rear portion of the seat frame mounting frame 2, one end of the elastic return member 51 is connected to an outer side wall of a middle portion of the seat frame mounting frame 2, and the other end of the elastic return member 51 is connected to an end of the mounting side plate 42 near the backrest connecting member 43. The elastic return member 51 maintains a certain elastic restoring force between the seat frame mounting frame and the mounting side plate 42, so that the seat can be more smoothly contracted when in the lying position.
The embodiment also provides a seat support, which comprises a leg telescopic assembly 1 and a compression type linkage mechanism, wherein the leg telescopic assembly 1 is used for extending or contracting to the lower part of the linkage mechanism in front of the linkage mechanism, and an inclined plane where the mounting platform 21 is positioned is a seat frame mounting surface 20; when the compression type linkage mechanism is contracted to the limit position, the distance H1 between the highest point of the seat frame mounting frame 2 on the seat frame mounting surface 20 and the lowest point of the leg extension and retraction assembly 1 in the vertical direction is not more than 170mm. Preferably, the distance H1 may be 160mm, 165mm, 167mm, 168mm or 170mm. The whole structure of the seat frame mounting frame 2 and the leg telescopic assembly 1 of the linkage mechanism is compressed, the occupied space in the vertical direction is reduced as much as possible, and the space utilization rate is improved, so that the space of the lower part of the seat frame is increased after the seat is integrally assembled, and cleaning devices such as a mop, a sweeping robot and the like can be conveniently cleaned.
Specifically, as shown in fig. 4, the leg extension and retraction assembly 1 includes a telescopic link assembly 11, a main foot rest 12 and an extension foot rest 13, the link assembly 11 includes a first link 111, a second link 112, a third link 113 and a fourth link 114, wherein one end of the first link 111 is hinged with the front end of the outer side wall of the seat frame mounting frame 2, the other end is hinged with the second link 112, the second link 112 is hinged with the main foot rest 12, one end of the third link 113 is hinged with the outer side wall of the seat frame mounting frame 2, the other end of the third link 113 is connected with the fourth link 114, the fourth link 114 is hinged with the main foot rest 12, and any position in the middle of the fourth link 114 is cross-connected with the middle of the first link 111. One end of the extension foot rest 13 is connected with the main foot rest 12, and the middle part of the extension foot rest 13 is connected with the second connecting rod 112 through the extension connecting piece 14. The end of the third link hinged to the seat frame mounting bracket is also adapted to be hinged to the leg link 5, and the leg link 5 is hinged to the mounting side plate 42.
Specifically, when the leg extension assembly 1 is retracted to the extreme position, the leg rest surface of the main foot rest 12 faces forward of the seat and is positioned perpendicular to the horizontal plane, with the extension foot rest 13 being retracted below the link assembly 11. As shown in fig. 1, when the leg extension and retraction assembly 1 is retracted to the extreme position, the distance H2 in the vertical direction between the highest point on the seat frame mounting surface 20 and the lowest point of the main foot rest 12 is not more than 95mm, and the foot rest surface length L of the main foot rest 12 is not more than 65mm. Preferably, the distance H2 may be 90mm, 92mm, 94mm or 95mm and the length L of the foot rest face of the main foot rest may be 60mm, 63mm or 65mm. When the leg telescopic assembly is contracted to the limit position, the distance from the main foot rest 12 to the seat frame mounting surface is reduced and the size of the main foot rest is reduced due to the reduction of the height of the seat frame mounting surface 20, so that the front end part of the seat is lighter and thinner when seen from the front of the seat after soft packaging, and the seat has the characteristics of attractive appearance.
Specifically, as shown in fig. 5, the driving mechanism 9 is further included, the driving mechanism 9 includes a driving rod 91, a motor assembly 92 and a fixing rod 93, the end of the driving rod 91 is connected with a third connecting rod 113 through a mounting piece, the end of the fixing rod 93 is connected with the mounting side plate 42 through a mounting piece, the motor assembly 92 is arranged between the driving rod 91 and the fixing rod 93, the push rod end of the motor assembly 92 is connected with the middle part of the driving rod 91 through a connecting piece, and the motor end of the motor assembly 92 is connected with the middle part of the fixing rod 93 through a connecting piece. The motor assembly 92 drives the driving rod 91 to push the leg extension assembly 1 to extend forwards, so that the linkage assembly 4 and the seat frame mounting frame 2 are driven to move, and the backrest 3 rotates backwards while moving forwards.
The seat frame mounting platform of this embodiment reduces the height on the seat frame mounting bracket for the mounting height of seat frame descends, and the seat increases deeply, and seat shank telescopic assembly and linkage subassembly simple structure, compactness make the vertical height of shrink back seat support further compress, can increase seat frame bottom space, make the clearance of being convenient for. The compression type linkage mechanism meets the requirements of the style of the high-support low-seat high chair.
The present embodiment also provides a seat unit, as shown in fig. 8 and 9, including: seat frame 6, seat frame 7 and seat support, the seat support is two sets of and sets up relatively, and link gear and the medial surface fixed connection of seat frame 7, and seat frame 6 passes through mounting platform 21 and sets up between two seat frame mounting brackets 2. The seat frame 6 is a seat bracket to which a seat cushion is attached.
Specifically, the seat leg 8 is also included, the seat leg 8 is provided below the seat frame 7, and the height of the seat leg 8 is 120-150mm. Preferably, the height of the seat foot may be 120mm, 125mm, 130mm, 140mm or 150mm. It should be noted that in this embodiment, the seat support has few parts and simple structure, when contracting to the position of sitting, the seat support can compress to in the certain space, and occupation space reduces in the vertical space for seat frame bottom space increases, can make things convenient for cleaning device such as mop, robot to sweep the floor to get into, and the seat frame mounting height of this embodiment seat support is lower, and the seat depth increases, can reduce sitting height. Compared with the traditional seat, the seat unit of the embodiment has the characteristics of attractive appearance and high stand bar and low seat height.
In the present application, the opposite sides of the two frame mounts are the "inner" sides and the opposite directions are the "outer" sides between the opposing two extension seat supports. The leg extension assembly extends in a "front" direction and in a "rear" direction opposite thereto.
The foregoing description has fully disclosed specific embodiments of this invention. It should be noted that any modifications to the specific embodiments of the invention may be made by those skilled in the art without departing from the scope of the invention as defined in the appended claims. Accordingly, the scope of the claims of the present invention is not limited to the foregoing detailed description.
Claims (11)
1. The compression type linkage mechanism of the seat is characterized by comprising a seat frame mounting frame (2), a backrest piece (3) and a linkage assembly (4), wherein the backrest piece (3) is arranged at one end of the seat frame mounting frame (2), and the linkage assembly (4) is arranged below the seat frame mounting frame (2);
The seat frame installation frame comprises a seat frame installation frame body and is characterized in that an installation platform (21) is arranged on the inner side wall of the seat frame installation frame body (2), the height of the installation platform (21) is lower than the upper edge of the seat frame installation frame body (2), and the installation platform (21) is used for installing a seat frame (6);
The linkage assembly (4) comprises a linkage limiting piece (41), a mounting side plate (42) and a backrest connecting piece (43), one end of the linkage limiting piece (41) is hinged with the outer side wall of the seat frame mounting frame (2), the other end of the linkage limiting piece is hinged with one end of the mounting side plate (42), the other end of the mounting side plate (42) is connected with the backrest connecting piece (43), and the backrest connecting piece (43) is hinged with the backrest piece (3);
The linkage limiting piece (41) is a hook-shaped connecting piece, the linkage limiting piece (41) comprises a first connecting part (411) connected with the mounting side plate (42) and a second connecting part (412) connected with the seat frame mounting frame (2), the bending point of the first connecting part (411) connected with the second connecting part (412) is lower than the lower part of the seat frame mounting frame (2), and the opening direction of the first connecting part (411) connected with the second connecting part (412) faces the seat frame mounting frame (2); the leg connecting piece (5) is connected with the mounting side plate (42), the other end of the leg connecting piece (5) is used for being connected with the leg telescopic assembly (1) of the seat, and the leg connecting piece (5) is a rod-shaped connecting piece or an elastic connecting piece;
The connecting point of the leg connecting piece (5) and the mounting side plate (42) is positioned at the front end of the mounting side plate (42);
When the leg connecting piece (5) is a rod-shaped connecting piece, the backrest piece (3) is simultaneously rotated and adjusted when the leg connecting rod (5) enables the linkage assembly (4) to move, and the linkage mechanism can be adjusted between a sitting position and a lying position;
Or when the leg connecting piece (5) is an elastic connecting piece, the linkage mechanism can be adjusted among sitting, leisure and lying positions.
2. A compression linkage of a seat according to claim 1, characterized in that the backrest connecting member (43) is provided with a first stopper (431), the first stopper (431) being in abutment with the middle part of the backrest member (3) to limit the rotation angle of the backrest member (3).
3. The compression-type linkage mechanism of a seat according to claim 1, wherein a second limiting member (22) is provided on the seat frame mounting frame (2), the second limiting member (22) is provided in front of the linkage limiting member (41), and when the linkage limiting member (41) rotates forward along with the movement of the seat frame mounting frame (2) and abuts against the second limiting member (22), the backrest member (3) rotates backward relative to the seat frame mounting frame (2).
4. A compression linkage of a seat according to claim 1, wherein the mounting side plate (42) is fixedly connected or integrally formed with the backrest connecting member (43).
5. A seat support, characterized by comprising a leg telescopic assembly (1) and the compression type linkage mechanism according to any one of claims 1-4, wherein the leg telescopic assembly (1) is used for extending or retracting to the lower part of the linkage mechanism in front of the linkage mechanism, and an inclined plane where the mounting platform (21) is located is a seat frame mounting surface (20);
When the compression type linkage mechanism is contracted to the limit position, the distance H1 between the highest point of the seat frame installation frame (2) on the seat frame installation surface (20) and the lowest point of the leg telescopic assembly (1) in the vertical direction is not more than 170mm.
6. A seat support according to claim 5, characterized in that the leg extension assembly (1) comprises a main foot rest (12), the foot rest surface of the main foot rest (12) being perpendicular to the horizontal plane when the leg extension assembly (1) is retracted to an extreme position.
7. A seat support according to claim 6, wherein when the leg extension and retraction assembly (1) is retracted to an extreme position, the distance H2 in the vertical direction between the highest point of the seat frame mounting bracket (2) on the seat frame mounting surface (20) and the lowest point of the main foot rest (12) is not more than 95mm, and the foot rest surface length L of the main foot rest (12) is not more than 65mm.
8. A seat support according to claim 7, wherein the leg extension and retraction assembly (1) further comprises a link assembly (11), the link assembly (11) comprising a first link (111), a second link (112), a third link (113) and a fourth link (114);
First connecting rod (111) one end with seat frame mounting bracket (2) is articulated, the other end with second connecting rod (112) is articulated, second connecting rod (112) with main foot rest (12) is articulated, third connecting rod (113) one end with seat frame mounting bracket (2) is articulated, the other end with fourth connecting rod (114) is articulated, fourth connecting rod (114) with main foot rest (12) is articulated, optional position in fourth connecting rod (114) middle part with the middle part cross connection of first connecting rod (111), third connecting rod (113) with seat frame mounting bracket (2) articulated one end still is used for with even leg piece (5) is articulated.
9. A seat support according to claim 8, wherein the leg extension assembly (1) further comprises an extension leg rest (13), one end of the extension leg rest (13) being hinged to the main leg rest (12), and a middle part of the extension leg rest (13) being connected to the second link (112) by an extension connection (14).
10. A seating unit, comprising: a seat frame (6), a seat frame (7) and a seat support according to any one of claims 5-9;
The seat support is two sets of and sets up relatively, link gear with the medial surface fixed connection of seat frame (7), seat frame (6) are passed through mounting platform (21) set up two between seat frame mounting bracket (2).
11. A seat unit according to claim 10, further comprising a seat foot (8), said seat foot (8) being arranged below said seat frame (7), said seat foot (8) having a height of 120-150mm.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110948484.2A CN113812790B (en) | 2021-08-18 | 2021-08-18 | Compression type linkage mechanism of seat, seat support and seat unit |
| PCT/CN2022/080373 WO2023019926A1 (en) | 2021-08-18 | 2022-03-11 | Contractible sofa linkage device, sofa support, and sofa |
| US18/434,819 US20240172876A1 (en) | 2021-08-18 | 2024-02-07 | Contractible Sofa Linkage Device, Sofa Support, and Sofa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110948484.2A CN113812790B (en) | 2021-08-18 | 2021-08-18 | Compression type linkage mechanism of seat, seat support and seat unit |
Publications (2)
| Publication Number | Publication Date |
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| CN113812790A CN113812790A (en) | 2021-12-21 |
| CN113812790B true CN113812790B (en) | 2024-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110948484.2A Active CN113812790B (en) | 2021-08-18 | 2021-08-18 | Compression type linkage mechanism of seat, seat support and seat unit |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023019926A1 (en) * | 2021-08-18 | 2023-02-23 | 锐迈机械科技（吴江）有限公司 | Contractible sofa linkage device, sofa support, and sofa |
| CN114451716B (en) * | 2022-01-20 | 2023-12-12 | 恒林家居股份有限公司 | Chair |
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| CN113812790A (en) | 2021-12-21 |
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