CN214230641U - Leg mechanism and sofa telescoping device - Google Patents
Leg mechanism and sofa telescoping device Download PDFInfo
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- CN214230641U CN214230641U CN202021652068.5U CN202021652068U CN214230641U CN 214230641 U CN214230641 U CN 214230641U CN 202021652068 U CN202021652068 U CN 202021652068U CN 214230641 U CN214230641 U CN 214230641U
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to a shank mechanism and sofa telescoping device, include: the bracket assembly, the first connecting rod assembly and the second connecting rod assembly; one end of a first connecting rod of the first connecting rod assembly is connected with the leg rest assembly, the other end of the first connecting rod is connected with one end of a first rocker, and the other end of the first rocker is used for being connected with a linkage mechanism; one end of a leg linkage rod of the second connecting rod assembly is connected with one end of a second rocker, the other end of the leg linkage rod is connected with a second connecting rod, the second connecting rod is connected with a leg support connecting rod, and the second rocker is used for being connected with the linkage mechanism; when the leg mechanism is contracted to the limit position, the included angle between the connecting line of the two end points of the first rocker and the connecting line of the two end points of the second rocker and the horizontal plane is 60-90 degrees. The utility model discloses can increase the stability of shank mechanism through adjustment shank mechanism structure, reduce the whole height of sofa, improve the comfort level when the user uses.
Description
Technical Field
The utility model relates to a sofa field, in particular to shank mechanism and 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 seen everywhere, and some sofas can extend out of a pedal and also can ascend or descend a backrest.
However, the existing sofa device has the following defects:
when the sofa is contracted, the overall height of the sofa is higher, so that the comfort of the sofa is influenced, and meanwhile, when the sofa is expanded, the legs of the sofa are easy to rub against the ground, so that the use of a user is influenced. The leg stretching structure of the existing functional sofa is easy to cause the problems of relaxation and foot dropping in the using process.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to provide a leg mechanism and sofa extension device, which can improve the distance between the leg mechanism and the ground during the exercise process by adjusting the leg mechanism structure, thereby increasing the stability of the leg structure and avoiding the problem of falling feet.
In order to solve the above problem, the utility model provides a leg mechanism, include: the bracket assembly, the first connecting rod assembly and the second connecting rod assembly;
the first link assembly includes: one end of the first connecting rod is connected with the leg rest assembly, the other end of the first connecting rod is connected with one end of the first rocking rod, and the other end of the first rocking rod is used for being connected with a linkage mechanism;
the second link assembly includes: the leg-rest mechanism comprises a second rocker, a second connecting rod, a leg linkage rod and a leg-rest connecting rod, wherein one end of the leg linkage rod is connected with one end of the second rocker, the other end of the leg linkage rod is connected with the second connecting rod, the second connecting rod is connected with the leg-rest connecting rod, and the second rocker is used for being connected with the linkage mechanism;
when the leg mechanism is contracted to the limit position, the included angle between the connecting line of the two end points of the first rocker and the connecting line of the two end points of the second rocker and the horizontal plane is 60-90 degrees.
Further, the leg mechanism is extended or contracted by the link mechanism.
Further, when the leg mechanism extends, the leg linkage rod, the first rocker, the first connecting rod and the second connecting rod form a parallelogram structure.
Furthermore, the middle part of the leg linkage rod is also provided with a first connecting point, and the leg linkage rod is connected with the first rocker through the first connecting point.
Furthermore, a second connecting point is arranged in the middle of the second connecting rod, and the second rocker is connected with the first connecting rod through the second connecting point.
Further, bracket connecting rod one end with the second connecting rod is connected, the other end of bracket connecting rod with the bracket subassembly is connected.
Further, the leg rest assembly includes: the first leg rest piece is provided with a first transfer point and a second transfer point, the first leg rest piece is connected with the first connecting rod through the first transfer point, and the first leg rest piece is connected with the leg rest connecting rod through the second transfer point;
the second leg rest is connected with the first leg rest.
Further, the leg rest assembly further comprises: and one end of the leg rest linkage rod is connected with the leg rest connecting rod, and the other end of the leg rest linkage rod is connected with the middle part of the second leg rest piece.
Further, still include the footrest subassembly, the footrest subassembly includes first footrest and second footrest, first footrest with first footrest is connected, the second footrest with second footrest is connected.
The utility model also provides a sofa telescoping device, include: the leg mechanism, link gear and back mechanism, link gear one end with back mechanism connects, the link gear other end with leg mechanism connects, leg mechanism with the bracket subassembly is connected.
Because of the technical scheme, the utility model discloses following beneficial effect has:
the utility model discloses a shank mechanism and sofa telescoping device through adjustment shank mechanism structure, has increased shank structural stability, avoids falling the problem of foot. Through the relation of being connected of adjustment shank mechanism structure and link gear, improve the shank mechanism and the distance on ground in the motion process, can reduce the whole height of sofa simultaneously, comfort level when improving the user and using.
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 diagram of a leg mechanism provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a leg mechanism according to an embodiment of the present invention in a contracted state;
fig. 3 is a schematic view of the stretching and rotating structure of the sofa stretching device provided by the embodiment of the present invention;
fig. 4 is another schematic view of the structure of fig. 3.
The foot rest comprises a 1-foot rest component, a 11-first foot rest component, a 111-first switching point, a 112-second switching point, a 12-second foot rest component, a 13-foot rest linkage rod, a 14-foot rest component, a 141-first foot rest plate, a 142-second foot rest plate, a 2-first connecting rod component, a 21-first rocker, a 22-first connecting rod, a 3-second connecting rod component, a 31-second rocker, a 32-second connecting rod, a 33-leg linkage rod, a 4-first connecting point, a 5-second connecting point, a 6-connecting rod, a 7-linkage mechanism and an 8-back mechanism.
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", "top", "bottom", and the like indicate orientations or positional relationships based on those 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 particular orientation, be constructed and operated in a particular orientation, and thus 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 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.
Example 1
This embodiment 1 provides a leg mechanism, as shown in fig. 1 to 4, including: the leg rest assembly 1, the first connecting rod assembly 2 and the second connecting rod assembly 3;
the first link assembly 2 includes: the leg rest assembly comprises a first rocker 21 and a first connecting rod 22, wherein one end of the first connecting rod 22 is connected with the leg rest assembly 1, the other end of the first connecting rod 22 is connected with one end of the first rocker 21, and the other end of the first rocker 21 is used for being connected with a linkage mechanism 7;
the second link assembly 3 includes: the leg-rest mechanism comprises a second rocker 31, a second connecting rod 32, a leg linkage 33 and a leg-rest connecting rod 6, wherein one end of the leg linkage 33 is connected with one end of the second rocker 31, the other end of the leg linkage 33 is connected with the second connecting rod 32, the second connecting rod 32 is connected with the leg-rest connecting rod 6, and the second rocker 31 is used for being connected with the linkage mechanism 7;
when the leg mechanism is contracted to the limit position, the included angle between the connecting line of the two end points of the first rocking bar 21 and the connecting line of the two end points of the second rocking bar 31 and the horizontal plane is 60-90 degrees.
In particular, when the leg mechanism is retracted to the extreme position, i.e. the sofa is in the sitting position, the first and second rocking levers are at an angle of more than 60 degrees to the ground, preferably at an angle of 70 degrees, 80 degrees or substantially perpendicular to the ground. Because the stress directions of the first rocker and the second rocker of the leg mechanism are generally parallel to the self direction when the sofa is in the sitting position, the problem that the connecting points of different connecting rods of the leg mechanism fall off due to overlarge stress or long service time is solved.
Specifically, the leg mechanism is extended or contracted by the link mechanism 7.
Specifically, when the leg mechanism is extended, the leg linkage 33, the first rocking bar 21, the first link 22, and the second link 32 form a parallelogram structure.
Specifically, the middle part of the leg linkage 33 is further provided with a first connection point 4, and the leg linkage 33 is connected with the first rocker 21 through the first connection point 4.
Specifically, the second connecting rod 32 is provided with a second connecting point 5 at the middle part, and the second rocker 31 is connected with the first connecting rod 22 through the second connecting point 5.
Specifically, one end of the leg rest connecting rod 6 is connected to the second connecting rod 32, and the other end of the leg rest connecting rod 6 is connected to the leg rest assembly 1.
In particular, the footrest assembly 1 comprises: the first leg rest 11 is provided with a first switching point 111 and a second switching point 112, the first leg rest 11 is connected with the first connecting rod 22 through the first switching point 111, and the first leg rest 11 is connected with the leg rest connecting rod 6 through the second switching point 112;
the second leg rest 12 is connected to the first leg rest 11.
In particular, the footrest assembly 1 further comprises: and one end of the leg rest linkage rod 13 is connected with the leg rest connecting rod 6, and the other end of the leg rest linkage rod 13 is connected with the middle part of the second leg rest piece 12.
Specifically, the shoe plate assembly 14 is further included, the shoe plate assembly 14 includes a first shoe plate 141 and a second shoe plate 142, the first shoe plate 141 is connected with the first footrest 11, and the second shoe plate 142 is connected with the second footrest 12.
In the embodiment of the present invention, when the leg mechanism is in the extended state, the first link assembly 2 and the second link assembly 3 drive the leg rest assembly 1 to extend, and the first leg rest 11 rotates via the leg rest linkage 13, so that the second leg rest 12 extends to the front of the first leg rest 11 and is substantially parallel to the second leg rest;
when the leg mechanism is in a contracted state, the first connecting rod assembly 2 and the second connecting rod assembly 3 drive the leg rest assembly 1 to contract, the second leg rest piece 12 rotates through the leg rest linkage rod, so that the second leg rest piece 12 is basically vertical to the first leg rest piece 11, the first leg rest piece 11 is basically vertical to the ground, and the second leg rest piece 12 is basically parallel to the ground.
Specifically, in the embodiment, when the leg mechanism is extended to the extreme position, the distance from the leg rest assembly 1 to the ground is 40-55 cm, and preferably, the distance from the first leg rest 11 to the ground is 45 cm; when the leg mechanism is contracted to the limit position, the distance between the lowest point of the second foot rest 12 and the ground ranges from 8 cm to 10cm, and preferably, the distance between the second foot rest 12 and the ground ranges from 9 cm.
This embodiment 1 still provides a sofa telescoping device, includes: the leg mechanism, the linkage mechanism 7 and the back mechanism 8 are as described above, one end of the linkage mechanism 7 is connected with the back mechanism 8, the other end of the linkage mechanism 7 is connected with the leg mechanism, and the leg mechanism is connected with the leg rest component 1. By adjusting the connection relation between the leg mechanism and the linkage mechanism, the overall height of the sofa is reduced, and the comfort of a user during use is improved.
Specifically, the seat device further comprises a seat mechanism 9, wherein the seat mechanism 9 is connected with the linkage mechanism 7. Specifically, the seat mechanism includes: the base comprises a base 91, a first supporting piece 92, a second supporting piece 93 and a base linkage assembly 94, wherein one end of the base 91 is connected with the first supporting piece 92, the other end of the base is connected with the second supporting piece 93, and the base linkage assembly 94 is arranged between the first supporting piece 92 and the second supporting piece 93.
The link mechanism 7 includes: the leg mechanism comprises a side plate 71, a first linkage piece 72, a second linkage piece 73 and a third linkage piece 74, wherein the middle part of the second linkage piece 73 is rotatably connected with the side plate 71, one end of the second linkage piece 72 is connected with one end of the first linkage piece 72, the other end of the first linkage piece 72 is connected with the first support piece 92, the other end of the second linkage piece 73 is connected with one end of the third linkage piece 74, and the other end of the third linkage piece 74 is connected with the leg mechanism; the back mechanism is connected to the side plate 71, the first support member 92 and the second support member 93 rotate in the same direction, and the leg mechanism and the back mechanism are in an extended state or a retracted state by the link mechanism.
Specifically, the base linkage assembly 94 includes: seat interlock 941, back interlock 942 and seat connecting rod 943, seat connecting rod 943 one end with seat interlock 941 is connected, the seat connecting rod 943 other end with back interlock 942 is connected. The seat linkage 941 is connected to the side plate, and preferably, the seat linkage 941 is in a V shape.
Specifically, the second linkage part is in a bent shape, and when the leg mechanism and the back mechanism are in an extending state, the rotation angle of the first supporting part is adjusted through the first linkage part, so that the height of the top point of the side plate from the ground is adjusted, the overall height of the sofa is reduced, and the comfort level of a user in use is improved. Preferably, the first linkage piece is a straight rod structure,
specifically, when shank mechanism with back mechanism is the extension state, back mechanism passes through link gear adjustment inclination makes the back spare of back mechanism with wait to incline the laminating of back spare, improve the stability of sofa and the comfort level when the user uses.
Specifically, the leg mechanism and the back mechanism can be continuously adjusted, when only the leg mechanism extends, the corresponding sofa is in an extending posture, when the leg mechanism and the back mechanism extend to the limit position, the corresponding sofa is in a lying posture, and when the leg mechanism and the back mechanism retract to the limit position, the corresponding sofa is in a sitting posture.
This embodiment a shank mechanism and sofa telescoping device through adjustment shank mechanism structure, has improved the distance on shank mechanism and ground in the motion process, increases shank structural stability, avoids falling the problem of foot. Meanwhile, the overall height of the sofa is reduced and the comfort level of a user during use is improved by adjusting the structure and the connection point between the connecting parts of the seat mechanism and the linkage mechanism.
This embodiment sofa telescoping device is two sets of, and two sets of telescoping device are based on base mid-plane looks interval and symmetry setting. The sofa expansion device is provided with a seat frame and is soft packaged into a finished sofa.
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. A leg mechanism, comprising: the device comprises a footrest assembly (1), a first connecting rod assembly (2) and a second connecting rod assembly (3);
the first link assembly (2) comprises: the leg rest assembly comprises a first rocker (21) and a first connecting rod (22), one end of the first connecting rod (22) is connected with the leg rest assembly (1), the other end of the first connecting rod (22) is connected with one end of the first rocker (21), and the other end of the first rocker (21) is used for being connected with a linkage mechanism (7);
the second connecting-rod assembly (3) comprises: the leg-rest mechanism comprises a second rocker (31), a second connecting rod (32), a leg linkage rod (33) and a leg-rest connecting rod (6), wherein one end of the leg linkage rod (33) is connected with one end of the second rocker (31), the other end of the leg linkage rod (33) is connected with the second connecting rod (32), the second connecting rod (32) is connected with the leg-rest connecting rod (6), and the second rocker (31) is used for being connected with the linkage mechanism (7);
when the leg mechanism is contracted to the limit position, the included angle between the connecting line of the two end points of the first rocker (21) and the connecting line of the two end points of the second rocker (31) and the horizontal plane is 60-90 degrees.
2. A leg unit according to claim 1, characterized in that it is extended or retracted by means of said linkage (7).
3. A leg mechanism according to claim 1, characterized in that the leg linkage (33), the first rocker (21), the first link (22) and the second link (32) form a parallelogram structure when the leg mechanism is extended.
4. A leg mechanism as claimed in claim 1, wherein the middle of the leg linkage (33) is further provided with a first connection point (4), and the leg linkage (33) is connected to the first rocker (21) through the first connection point (4).
5. A leg mechanism as claimed in claim 4, characterized in that the second link (32) is provided with a second connection point (5) in the middle, and the second rocker (31) is connected to the first link (22) via the second connection point (5).
6. A leg mechanism according to claim 1, characterized in that the leg rest connection rod (6) is connected at one end to the second link (32) and at the other end of the leg rest connection rod (6) to the leg rest assembly (1).
7. A leg rest mechanism according to claim 6, characterized in that the leg rest assembly (1) comprises: the leg rest comprises a first leg rest piece (11) and a second leg rest piece (12), wherein the first leg rest piece (11) is provided with a first transfer point (111) and a second transfer point (112), the first leg rest piece (11) is connected with a first connecting rod (22) through the first transfer point (111), and the first leg rest piece (11) is connected with a leg rest connecting rod (6) through the second transfer point (112);
the second foot rest (12) is connected with the first foot rest (11).
8. A leg rest mechanism according to claim 7, characterized in that the leg rest assembly (1) further comprises: the foot rest device comprises a foot rest linkage rod (13), one end of the foot rest linkage rod (13) is connected with the foot rest connecting rod (6), and the other end of the foot rest linkage rod (13) is connected with the middle of the second foot rest piece (12).
9. A leg mechanism according to claim 7, further comprising a footrest assembly (14), the footrest assembly (14) comprising a first footrest (141) and a second footrest (142), the first footrest (141) being connected with the first foot rest (11), the second footrest (142) being connected with the second foot rest (12).
10. A sofa expansion device, comprising: leg mechanism according to any of claims 1-8, a linkage mechanism (7) and a back mechanism (8), the linkage mechanism (7) being connected to the back mechanism (8) at one end, the linkage mechanism (7) being connected to the leg mechanism at the other end, the leg mechanism being connected to the leg rest assembly (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021652068.5U CN214230641U (en) | 2020-08-06 | 2020-08-06 | Leg mechanism and sofa telescoping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021652068.5U CN214230641U (en) | 2020-08-06 | 2020-08-06 | Leg mechanism and sofa telescoping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214230641U true CN214230641U (en) | 2021-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021652068.5U Active CN214230641U (en) | 2020-08-06 | 2020-08-06 | Leg mechanism and sofa telescoping device |
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| Country | Link |
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| CN (1) | CN214230641U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113892772A (en) * | 2021-10-27 | 2022-01-07 | 锐迈机械科技（吴江）有限公司 | Mechanical stretching device for a movable seat unit and seat unit |
| WO2023185418A1 (en) * | 2022-03-29 | 2023-10-05 | 锐迈科技股份有限公司 | Seat leg connecting rod mechanism, seat support, and seat |
-
2020
- 2020-08-06 CN CN202021652068.5U patent/CN214230641U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113892772A (en) * | 2021-10-27 | 2022-01-07 | 锐迈机械科技（吴江）有限公司 | Mechanical stretching device for a movable seat unit and seat unit |
| WO2023185418A1 (en) * | 2022-03-29 | 2023-10-05 | 锐迈科技股份有限公司 | Seat leg connecting rod mechanism, seat support, and seat |
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| 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 |
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