CN212489259U - Sofa telescoping device - Google Patents
Sofa telescoping device Download PDFInfo
- Publication number
- CN212489259U CN212489259U CN202021618257.0U CN202021618257U CN212489259U CN 212489259 U CN212489259 U CN 212489259U CN 202021618257 U CN202021618257 U CN 202021618257U CN 212489259 U CN212489259 U CN 212489259U
- Authority
- CN
- China
- Prior art keywords
- linkage
- connecting rod
- support
- piece
- leg
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 107
- 239000003381 stabilizer Substances 0.000 claims description 14
- 230000008602 contraction Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model relates to a sofa extension device, which comprises a base, a linkage mechanism, a leg mechanism, a handrail mechanism and a seat frame component, wherein the linkage mechanism and the handrail mechanism are connected with the base; the linkage mechanism comprises a side plate and a linkage assembly, the seat frame assembly is connected with the side plate, and the linkage assembly is connected with the leg mechanism; the leg mechanism comprises a connecting rod assembly, a main foot rest piece and an auxiliary foot rest piece, the connecting rod assembly is used for driving the main foot rest piece and the auxiliary foot rest piece to extend or contract, the main foot rest piece comprises a connecting surface used for being connected with the main foot rest, and the length of the connecting surface is smaller than 12 cm; when the leg mechanism is contracted to the limit position, the height of the highest point of the seat frame assembly from the ground is less than or equal to 28cm, the height of the lowest point of the main footrest piece from the ground is not less than 10cm, and the height of the auxiliary footrest piece from the ground is not less than 7 cm. Adopt the utility model has the characteristics of the sofa seat height reduces, and the shrink back shank terrain clearance increases, the modern brief of style outward appearance after soft-packaged.
Description
Technical Field
The utility model relates to a sofa field, in particular to sofa telescoping device.
Background
At present, with the improvement of domestic productivity level and the development of social and economic level, the living standard of people is higher and higher, and the requirements on furniture are also higher and higher. Sofas, rocking chairs, seats and the like in furniture are visible everywhere, and some sofas can extend out of a pedal and adjust the height and the angle of a backrest.
However, the existing sofa device has the following defects:
in the sofa expansion device on the market, the overall seat height of the sofa is higher, so that the comfort of the sofa is influenced, and meanwhile, when the sofa is extended, the leg extension height of the sofa is lower, the lying posture state cannot be completely relaxed, and the overall appearance of the sofa is heavy.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem of prior art, the utility model aims to optimize sofa shank extending structure, make shank mechanism extend length and highly increased, the shrink back is apart from the ground height and is increased, combines handrail mechanism to change the whole outward appearance of sofa simultaneously, makes the modern brief of outward appearance.
In order to solve the above problems, the utility model provides a sofa extension device, which comprises a base, a linkage mechanism and a leg mechanism, wherein the linkage mechanism is respectively connected with the leg mechanism and the base, and comprises a side plate and a linkage component;
the linkage assembly comprises a first support piece, a first support, a support connecting rod, a second support and a second support piece, the first support piece and the second support piece are respectively connected with a side frame of the base in a rotating mode, one end of the first support is connected with the first support piece, the other end of the first support is connected with the side plate, one end of the support connecting rod is connected with the middle of the first support, the other end of the support connecting rod is connected with the second support, the second support is connected with the second support piece, and the side plate is connected with the leg mechanism;
the leg mechanism comprises a connecting rod assembly, a main leg rest piece and an auxiliary leg rest piece, a first rocker of the connecting rod assembly is connected with a first connecting rod, a second rocker, a second connecting rod, a third connecting rod and a fourth connecting rod of the connecting rod assembly are sequentially connected, the second connecting rod and the third connecting rod are respectively in cross connection with the first rocker and the first connecting rod, the first connecting rod and the fourth connecting rod are connected with the main leg rest piece, the first rocker and the second rocker are respectively connected with the side plate, and the main leg rest piece is connected with the auxiliary leg rest piece;
when the leg mechanism is contracted to the extreme position, the height of the lowest point of the main footrest piece from the ground is not less than 10cm, and the height of the lowest point of the auxiliary footrest piece from the ground is not less than 7 cm.
Further, the linkage assembly further comprises a first linkage, a second linkage and a third linkage;
the middle part of the second linkage part is rotatably connected with the side plate, one end of the second linkage part is connected with the first linkage part, the first linkage part is connected with the first supporting part, the other end of the second linkage part is connected with the third linkage part, and the third linkage part is connected with the leg mechanism.
Further, the main footrest piece comprises a connecting surface used for being connected with the main footrest, and the length of the connecting surface is less than 12 cm.
Further, a limiting member is arranged on the first support, the limiting member is arranged between the side plate and the third linkage member, and the limiting member is used for limiting the position of the third linkage member relative to the side plate when the telescopic device is contracted to the limiting position.
Furthermore, the linkage mechanism and the leg mechanism are two sets and are oppositely arranged along the central plane of the base, a first stabilizer bar is arranged between the two first supporting pieces of the linkage assembly, and a second stabilizer bar is arranged between the two second supporting pieces.
Further, when the telescopic device is extended to the limit position, the height of the auxiliary footrest piece from the ground is not less than 40 cm.
The handrail mechanism comprises a handrail frame, a handrail connecting frame and handrail supporting legs;
the handrail frame is connected with the base through a handrail connecting frame, the handrail support feet are used for supporting the handrail frame, the handrail support feet are of a three-foot support structure, and the height of the handrail support feet is not less than 10 cm.
Further, the seat frame assembly is connected with the side plates, and when the leg mechanism is contracted to the limit position, the height of the highest point of the seat frame assembly from the ground is less than or equal to 28 cm.
The leg mechanism and the back mechanism are in an extension state or a contraction state through the linkage mechanism.
Further, the device also comprises a driving mechanism, wherein the driving mechanism comprises a driving connecting rod and a driving source;
the two ends of the driving connecting rod are respectively connected with the two leg mechanisms, the middle part of the driving connecting rod is connected with a push rod of the driving source, and the driving source is used for driving the leg mechanisms to extend or contract, so that the telescopic device is adjusted among sitting, extending and lying positions.
Because of the technical scheme, the utility model discloses following beneficial effect has:
(1) the utility model discloses link assembly adopts two connecting rods and four-bar linkage alternately to constitute and six connecting rod extending structure for the length and the high increase of shank mechanism extension, the high increase of shrink back footrest apart from ground. The utility model discloses combine shank mechanism and link gear to reduce the height of seat frame subassembly for the whole seat height of sofa reduces, and the sofa telescoping device has the characteristics that the leg was lifted to low seat height, and the stability of device increases, and the comfort level increases.
(2) The utility model discloses handrail stabilizer blade of handrail mechanism falls to the ground and sets up, and the handrail stabilizer blade is highly unanimous basically with shank owner bracket spare withdrawal back, has improved shank mechanism in the disguise of contraction state, makes the modern brief of the whole outward appearance of sofa.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic structural view of a sofa expansion device provided in the embodiment of the present invention;
FIG. 2 is a connection diagram of a linkage mechanism of a telescopic device according to an embodiment of the present invention;
fig. 3 is a schematic view of an armrest mechanism of a telescopic device according to an embodiment of the present invention;
fig. 4 is a schematic structural view of the telescopic device of the embodiment of the present invention in a sitting posture state;
FIG. 5 is a schematic view of a retractor with a drive mechanism according to an embodiment of the present invention;
FIG. 6 is a schematic view of the sofa extension device of the present invention in a sitting position;
fig. 7 is a schematic view of the position of the sofa expansion device according to the present invention;
fig. 8 is a schematic view of the lying position of the sofa expansion device of the present invention.
Wherein the reference numerals are: 1-base, 11-side frame, 2-linkage, 3-leg mechanism, 4-armrest mechanism, 21-side plate, 22-linkage, 31-linkage, 32-primary footrest, 321-primary footrest, 322-joint face, 33-secondary footrest, 331-secondary footrest, 34-footrest link, 311-first rocker, 312-first link, 313-second rocker, 314-second link, 315-third link, 316-fourth link, 41-armrest frame, 42-armrest link, 43-armrest foot, 221-first linkage, 222-second linkage, 223-third linkage, 23-first support, 27-second support, 24-first support, 26-second bracket, 25-bracket link, 241-limiting piece, 51-first stabilizer bar, 52-second stabilizer bar, 6-seat frame component, 7-back mechanism, 8-driving mechanism, 81-driving link, 82-driving source.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with at least one implementation of the invention is included. In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. In the present embodiment, the direction in which the leg portion is extended is defined as "front", and the direction in which the leg portion is contracted is defined as "rear".
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 implicitly indicating 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. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.
Examples
The embodiment of the utility model provides a sofa telescoping device, combine fig. 1-5 to show, include: the device comprises a base 1, a linkage mechanism 2 and a leg mechanism 3 seat frame assembly 6, wherein the linkage mechanism 2 is connected with the base 1; the linkage mechanism 2 comprises a side plate 21 and a linkage assembly 22, the linkage assembly 22 is used for changing the relative position of the side plate 21 and the base 1, and the seat frame assembly 6 is connected with the side plate 21;
the linkage assembly 22 comprises a first support 23, a first support 24, a support connecting rod 25, a second support 26 and a second support 27, the first support 23 and the second support 27 are respectively connected with the side frame 11 of the base 1 in a rotating manner, the side frame 11 comprises a front end and a rear end, the first support 23 is connected with the front end of the side frame 11 in a rotating manner, and the second support 27 is connected with the rear end of the side frame 11 in a rotating manner. One end of the first bracket 24 is connected with the first support 23, the other end of the first bracket 24 is connected with the side plate 21, one end of the bracket connecting rod 25 is connected with the middle part of the first bracket 24, the other end of the bracket connecting rod is connected with the second bracket 26, the second bracket 26 is connected with the second support 27, and the side plate 21 is connected with the leg mechanism 3;
the linkage assembly 22 further includes a first linkage 221, a second linkage 222, and a third linkage 223; the middle part of the second link 222 is rotatably connected to the side plate 21, one end of the second link 222 is rotatably connected to the first link 221, the first link 221 is rotatably connected to the first support 23, the other end of the second link 222 is rotatably connected to the third link 223, and the third link 223 is rotatably connected to the second rocker 313 of the leg mechanism 3. When the leg mechanism is extended or retracted, the middle portion of the second linkage member 222 is rotatably connected to the side plate, and one end of the second linkage member rotates forward and the other end rotates backward.
Specifically, the first bracket 24 is provided with a limiting member 241, the limiting member 241 is disposed between the side plate 21 and the third link 223, and the limiting member 241 is used for limiting the position of the third link 223 relative to the side plate 21 when the telescopic device is retracted to the limit position.
Specifically, in some embodiments, the first support 24 is a V-shaped structure, the middle portion of the V-shaped structure is connected to the support link, and the two ends are connected to the first support and the side plate, respectively. The support connecting rod 25 is a straight sheet structure. Optimization of the structural shape and connection angle of the parts in the linkage assembly 22 improves the structural strength of the linkage mechanism and reduces the height of the side plates relative to the base.
The leg mechanism 3 comprises a connecting rod assembly 31, a main leg rest 32 and an auxiliary leg rest 33, a first rocker 311 and a first connecting rod 312 of the connecting rod assembly 31 are connected, a second rocker 313, a second connecting rod 314, a third connecting rod 315 and a fourth connecting rod 316 of the connecting rod assembly 31 are sequentially connected, the second connecting rod 314 and the third connecting rod 315 are respectively connected with the first rocker 311 and the first connecting rod 312 in a crossed manner to form a quadrilateral structure, the first connecting rod 312 and the fourth connecting rod 316 are connected with the main leg rest 32, the first rocker 311 and the second rocker 313 are respectively connected with the side plate 21, the main leg rest 32 is connected with the auxiliary leg rest 33, the main leg rest 32 comprises a connecting surface 322 used for being connected with the main leg rest 321, and the length of the connecting surface 322 is less than 12 cm;
specifically, the main footrest 32 is connected to the main footrest 321 by a connecting surface 322 and fasteners. The length of the connecting surface 322 is less than 12cm, and the length direction of the connecting surface is consistent with the width direction of the main footrest 321, preferably, the length of the connecting surface 322 can be 8cm, 9cm, 10cm or 12cm, and the width of the main footrest 321 is also less than 12 cm.
The auxiliary footrest 33 is connected with the auxiliary footrest 331, wherein a footrest connecting rod 34 is further arranged between the main footrest 32 and the auxiliary footrest 33, one end of the footrest connecting rod 34 is connected with the fourth connecting rod 316, and the other end of the footrest connecting rod 34 is connected with the middle part of the auxiliary footrest 33. The link assembly 31 drives the auxiliary footrest 33 and the auxiliary footrest 331 to extend or fold relative to the main footrest 321 via the footrest link 34.
Specifically, when the leg mechanism 3 is retracted to the extreme position, the height of the lowest point of the main footrest member 32 from the ground is not less than 10cm, the height of the lowest point of the auxiliary footrest member 33 from the ground is not less than 7cm, that is, the height of the connecting surface of the auxiliary footrest member and the auxiliary footrest from the ground is not less than 7 cm.
The armrest mechanism 4 comprises an armrest frame 41, an armrest connecting frame 42 and an armrest support leg 43, wherein the armrest frame 41 is connected with the base 1 through the armrest connecting frame 42, the armrest support leg 43 is used for supporting the armrest frame 41, and the height of the armrest support leg 43 is not less than 10 cm.
Preferably, in the embodiment of the present invention, the height of the armrest support 24 is substantially the same as the height of the lower edge of the main footrest member 32 from the ground when the leg mechanism 3 is retracted to the extreme position, and is 13cm from the ground, and the height of the sub footrest member 33 from the ground when retracted to the extreme position is 9 cm. In some embodiments, the armrest feet may be a tripod structure, cylindrical feet, or other shapes.
Specifically, when the telescopic device is extended to the limit position, the height of the auxiliary foot rest 33 from the ground is not less than 40 cm. Preferably, the height of the secondary footrest 33 from the ground can be up to 25cm, 26cm, 50cm or 55 cm.
Specifically, the linkage mechanism 2 and the leg mechanism 3 are two sets and symmetrically arranged along the central plane of the base 1, a first stabilizer bar 51 is arranged between two first supporting members 23 of the linkage mechanism 2, and a second stabilizer bar 52 is arranged between two second supporting members 27. The first stabilizer bar and the second stabilizer bar are used to increase structural stability, strength and prevent torsional deformation of the telescopic device.
Specifically, the base comprises two side frames and a rear frame connected with the two side frames, and the two linkage mechanisms are respectively connected with the two side frames.
The telescopic device further comprises a driving mechanism 8, wherein the driving mechanism 8 comprises a driving connecting rod 81 and a driving source 82; two ends of the driving connecting rod 81 are respectively connected with the two leg mechanisms 3, the driving source 82 is arranged between the driving connecting rod and the rear bracket, the middle part of the driving connecting rod 81 is connected with a push rod of the driving source 82, and the driving source 82 is used for driving the leg mechanisms 3 to extend or contract, so that the telescopic device is adjusted among sitting, extending and lying positions.
Specifically, still include seat frame subassembly 6, seat frame subassembly 6 is connected with two curb plate 21, seat frame subassembly 6 is used for supporting soft package of sofa seat, when leg mechanism 3 contracts to extreme position, the highest point of seat frame subassembly 6 is less than or equal to 28cm from the height on ground. The seat frame assembly and side plates 21 are disposed obliquely relative to the base, with the seat frame assembly being higher in elevation at the end adjacent the leg mechanism. Preferably, the height of the highest point of the seat frame assembly 6 from the ground is 26cm when the leg mechanism 3 is retracted to the extreme position. Present functional sofa generally is higher than 50cm, and after the soft package of this embodiment seat frame subassembly, the seat height of sofa can reach 24cm, sits the height and reduces, improves the travelling comfort.
Specifically, the method further comprises the following steps: a back mechanism 7, the back mechanism 7 is connected with the side plate 21, the back mechanism 7 is connected with the side plate
The first support 23 and the second support 27 rotate in the same direction, and the leg mechanism 3 and the back mechanism 7 are in an extended state or a contracted state through the linkage mechanism 2. Specifically, when the leg mechanism 3 and the back mechanism 7 are adjusted to the extended position, the backrest of the back mechanism 7 is adjusted rearward and downward relative to the linkage mechanism 2. The backrest mechanism 7 comprises a back mounting part and a back linkage rod, the back mounting part is respectively connected with the side plate 21 and the back linkage rod in a rotating mode, two ends of the back linkage rod are respectively connected with the back mounting part and the second support 26 in a rotating mode, the back linkage rod is used for linkage and controlling the rotating angle of the back mounting part, and the back mounting part is used for being connected with a backrest frame of the sofa.
The utility model discloses link assembly adopts two connecting rods and four-bar linkage alternately to constitute and six connecting rod extending structure for the length and the high increase of shank mechanism extension, the high increase of shrink back footrest apart from ground. The utility model discloses combine shank mechanism and link gear to reduce the height of seat frame subassembly for the whole seat height of sofa reduces, and the sofa telescoping device has the characteristics that the leg was lifted to low seat height, and the stability of device increases, and the comfort level increases. The utility model discloses handrail stabilizer blade of handrail mechanism falls to the ground and sets up, and the handrail stabilizer blade is highly unanimous basically with shank owner bracket spare withdrawal back, has improved shank mechanism in the disguise of contraction state, makes the modern brief of the whole outward appearance of sofa.
The utility model discloses telescoping device can realize sitting posture, leisure appearance and three kinds of position control of the appearance of lying. As shown in fig. 6-8, which are schematic views of the telescoping devices in three positions, a fender may be provided on the outside of the leg link assembly for anti-pinch and leg protection mechanism configuration. In the sitting position, the leg mechanism is retracted to an extreme position below the seat frame assembly, and the backrest frame is substantially perpendicular to the seat frame assembly; when the telescopic device is adjusted to a leisure posture from a sitting posture, the driving device drives the connecting rod assembly to extend forwards and upwards relative to the seat frame assembly, and simultaneously drives the linkage mechanism, the seat frame assembly and the backrest mechanism to move forwards relative to the base; when the lying posture state is adjusted from the leisure posture, the leg mechanism is continuously lifted upwards to drive the side plates and the seat frame assembly to rotate upwards for a certain angle, so that the backrest mechanism rotates backwards relative to the base to extend, and the lying posture position is realized. In the recumbent position, the user's feet are at a higher elevation than the head. Specifically, the adjustment from the sitting posture to the lying posture position is firstly to be adjusted to a leisure posture, the adjustment from the lying posture position to the sitting posture position is carried out by pushing the driving connecting rod to rotate continuously, the adjustment process is continuous, and on the contrary, the adjustment from the lying posture position to the sitting posture position is carried out firstly to be adjusted to the leisure posture and then to the sitting posture position.
In some embodiments, the sofa expansion device of the present invention can also combine a plurality of sofa expansion devices to form a multi-row expansion device structure through the splicing frame, and the multi-row sofa is provided after soft packing.
The foregoing description has disclosed fully the embodiments of the present invention. It should be noted that those skilled in the art can make modifications to the embodiments of the present invention without departing from the scope of the claims of the present invention. Accordingly, the scope of the claims of the present invention is not to be limited to the specific embodiments described above.
Claims (10)
1. The sofa expansion device is characterized by comprising a base (1), a linkage mechanism (2) and a leg mechanism (3), wherein the linkage mechanism (2) is respectively connected with the leg mechanism (3) and the base (1), and the linkage mechanism (2) comprises a side plate (21) and a linkage assembly (22);
the linkage assembly (22) comprises a first support piece (23), a first support (24), a support connecting rod (25), a second support (26) and a second support piece (27), the first support piece (23) and the second support piece (27) are respectively connected with a side frame (11) of the base (1) in a rotating mode, one end of the first support piece (24) is connected with the first support piece (23), the other end of the first support piece (24) is connected with the side plate (21), one end of the support connecting rod (25) is connected with the middle of the first support piece (24), the other end of the support connecting rod is connected with the second support piece (26), the second support piece (26) is connected with the second support piece (27), and the side plate (21) is connected with the leg mechanism (3);
the leg mechanism (3) comprises a connecting rod assembly (31), a main leg rest (32) and an auxiliary leg rest (33), a first rocker (311) of the connecting rod assembly (31) is connected with a first connecting rod (312), a second rocker (313), a second connecting rod (314), a third connecting rod (315) and a fourth connecting rod (316) of the connecting rod assembly (31) are sequentially connected, the second connecting rod (314) and the third connecting rod (315) are respectively connected with the first rocker (311) and the first connecting rod (312) in a cross mode, the first connecting rod (312) and the fourth connecting rod (316) are connected with the main leg rest (32), the first rocker (311) and the second rocker (313) are respectively connected with the side plate (21), and the main leg rest (32) is connected with the auxiliary leg rest (33);
when the leg mechanism (3) is contracted to the limit position, the height from the lowest point of the main foot rest (32) to the ground is not less than 10cm, and the height from the lowest point of the auxiliary foot rest (33) to the ground is not less than 7 cm.
2. The sofa extension set of claim 1, wherein the linkage assembly (22) further includes a first linkage member (221), a second linkage member (222), and a third linkage member (223);
the middle part of the second linkage piece (222) is rotatably connected with the side plate (21), one end of the second linkage piece (222) is connected with the first linkage piece (221), the first linkage piece (221) is connected with the first support piece (23), the other end of the second linkage piece (222) is connected with the third linkage piece (223), and the third linkage piece (223) is connected with the leg mechanism (3).
3. A sofa expansion device according to claim 1, characterized in that the main footrest (32) comprises an attachment surface (322) for attachment of the main footrest (321), the attachment surface (322) having a length smaller than 12 cm.
4. A sofa expansion device according to claim 2, characterized in that the first bracket (24) is provided with a stop member (241), the stop member (241) being arranged between the side plate (21) and the third linkage member (223), the stop member (241) being adapted to define the position of the third linkage member (223) relative to the side plate (21) when the expansion device is contracted to the extreme position.
5. A sofa expansion device according to claim 1, characterized in that the linkage (2) and the leg mechanism (3) are two sets and are oppositely arranged along the center plane of the base (1), and the linkage assembly (22) has a first stabilizer bar (51) between the two first supports (23) and a second stabilizer bar (52) between the two second supports (27).
6. A sofa expansion device according to claim 1, characterized in that the height of the secondary footrest (33) from the ground is not less than 40cm when the expansion device is extended to the extreme position.
7. A sofa expansion device according to claim 1, further comprising an armrest mechanism (4), wherein the armrest mechanism (4) comprises an armrest frame (41), an armrest connecting frame (42) and an armrest foot (43);
the handrail frame (41) is connected with the base (1) through a handrail connecting frame (42), the handrail support feet (43) are used for supporting the handrail frame (41), the handrail support feet (43) are of a three-foot support structure, and the height of the handrail support feet (43) is not less than 10 cm.
8. A sofa expansion device according to claim 1, characterized by further comprising a seat frame assembly (6), wherein the seat frame assembly (6) is connected with the side plate (21), and when the leg mechanism (3) is contracted to the extreme position, the height of the highest point of the seat frame assembly (6) from the ground is less than or equal to 28 cm.
9. A sofa expansion device according to claim 1, further comprising a back mechanism (7), wherein the back mechanism (7) is connected to the side plate (21), the first support member (23) and the second support member (27) rotate in the same direction, and the leg mechanism (3) and the back mechanism (7) are in an extended state or a contracted state through the linkage mechanism (2).
10. A sofa extension device according to claim 1, further comprising a driving mechanism (8), the driving mechanism (8) comprising a driving link (81) and a driving source (82);
drive connecting rod (81) both ends respectively with two shank mechanism (3) are connected, the middle part of drive connecting rod (81) with the push rod of driving source (82) is connected, driving source (82) are used for the drive shank mechanism (3) extend or contract, make the telescoping device adjust between position of sitting, the appearance of stretching and the appearance position of lying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021618257.0U CN212489259U (en) | 2020-08-06 | 2020-08-06 | Sofa telescoping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021618257.0U CN212489259U (en) | 2020-08-06 | 2020-08-06 | Sofa telescoping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212489259U true CN212489259U (en) | 2021-02-09 |
Family
ID=74383574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021618257.0U Withdrawn - After Issue CN212489259U (en) | 2020-08-06 | 2020-08-06 | Sofa telescoping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212489259U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112006467A (en) * | 2020-08-06 | 2020-12-01 | 锐迈机械科技（吴江）有限公司 | Sofa telescoping device |
| WO2023020514A1 (en) * | 2021-08-17 | 2023-02-23 | 德沃康科技集团有限公司 | Mechanical extension device and suspension mechanism thereof |
| CN112006467B (en) * | 2020-08-06 | 2024-11-08 | 锐迈科技股份有限公司 | Sofa telescoping device |
-
2020
- 2020-08-06 CN CN202021618257.0U patent/CN212489259U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112006467A (en) * | 2020-08-06 | 2020-12-01 | 锐迈机械科技（吴江）有限公司 | Sofa telescoping device |
| CN112006467B (en) * | 2020-08-06 | 2024-11-08 | 锐迈科技股份有限公司 | Sofa telescoping device |
| WO2023020514A1 (en) * | 2021-08-17 | 2023-02-23 | 德沃康科技集团有限公司 | Mechanical extension device and suspension mechanism thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5800010A (en) | Reclining chair and mechanism therefor | |
| CN111990809A (en) | Seat support and sectional shelf-unit | |
| US20020043841A1 (en) | Ergonomic chair-armchair structure, particularly for office, of the type equipped with adjustable kidneyrest and headrest | |
| CN111642922A (en) | Adjustable seat support | |
| CN111671267A (en) | Mechanical stretching sofa iron frame | |
| CN111820648A (en) | High leg lifting seat mechanism and seat | |
| CN105962667A (en) | Mechanical stretching device and chair unit | |
| US6729686B2 (en) | Chair and recliner mechanism | |
| CN212489259U (en) | Sofa telescoping device | |
| CN212489176U (en) | Seat support and sectional shelf-unit | |
| CN212489174U (en) | High leg lifting seat mechanism and seat | |
| CN214230641U (en) | Leg mechanism and sofa telescoping device | |
| CN212591237U (en) | Sofa extension support and sofa | |
| CN212489233U (en) | Seat extension support | |
| CN212630322U (en) | Mechanical stretching unit and mechanical stretching device | |
| CN2407652Y (en) | Multifunction relaxing chair frame | |
| CN215304408U (en) | Foot rest lengthening and heightening sofa iron frame | |
| CN212591134U (en) | Adjustable seat support | |
| CN112006467B (en) | Sofa telescoping device | |
| CN112006467A (en) | Sofa telescoping device | |
| CN212260953U (en) | Mechanical stretching sofa iron frame | |
| CN108937267A (en) | A kind of office revolving chair of lying having deformation function | |
| CN211722474U (en) | Chair frame | |
| CN209915450U (en) | Leisure chair and leisure chair frame thereof | |
| CN209915451U (en) | Leisure chair and leisure chair frame thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 215200 west side of Tongjin Avenue, Wujiang Economic and Technological Development Zone, Suzhou City, Jiangsu Province Patentee after: Ruimai Technology Co.,Ltd. Country or region after: China Address before: 215200 west side of Tongjin Avenue, Wujiang Economic Development Zone, Suzhou City, Jiangsu Province Patentee before: REMACRO MACHINERY & TECHNOLOGY (WUJIANG) Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210209 Effective date of abandoning: 20241108 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20210209 Effective date of abandoning: 20241108 |