CN216797094U - A strutting arrangement and sofa for low seat high sofa - Google Patents
A strutting arrangement and sofa for low seat high sofa Download PDFInfo
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- CN216797094U CN216797094U CN202121198815.7U CN202121198815U CN216797094U CN 216797094 U CN216797094 U CN 216797094U CN 202121198815 U CN202121198815 U CN 202121198815U CN 216797094 U CN216797094 U CN 216797094U
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Abstract
The utility model discloses a supporting device for a low-seat high sofa and the sofa, which comprise a base and a linkage supporting structure, wherein the linkage supporting structure is rotatably arranged on the base; the linkage supporting structure comprises a first supporting piece, a swinging piece, a middle connecting piece, a linkage piece and a second supporting piece, wherein the first supporting piece and the second supporting piece are respectively connected to two ends of the base in a rotating manner, and two ends of the middle connecting piece are respectively connected with the swinging piece and the linkage piece; the linkage piece is provided with a linkage point and a support connection point, a connection line of the linkage point and the support connection point is L1, a connection line of the support connection point and a connection point of the second support piece and the base is L2, and when the linkage support structure extends to the limit position, an included angle alpha between L1 and L2 is 8-15 degrees. The linkage supporting structure has the advantages of reducing the height of the seat, increasing the stability and stably and smoothly rotating in the telescopic process.
Description
Technical Field
The utility model belongs to the technical field of seats, and particularly relates to a supporting device for a low-seat high sofa and a sofa.
Background
Multifunctional sofas or seats become furniture widely used in smart home life, which are generally adjustable to a retracted position in a normal sitting position, an extended position in which only the legs are extended, and a lying position in which the legs and the back are fully extended.
Because the structure of the existing mechanical telescopic device is complex, if the interference between the telescopic device parts in the extension length and position adjusting process of the mechanical telescopic device and between the telescopic device and the ground wall surface is not generated, the whole seat height of the sofa is required to be set to be high enough, the gap between the back of the backrest of the sofa and the wall surface or an object is large enough, so that the mechanical telescopic device below is ensured to have enough movement space, and the front extension space and the back extension space of the sofa are enough. But the stability of the sofa is affected by the increase of the sitting height and the failure of placing the sofa against the wall, which causes the volume increase of the sofa and the increase of the occupied space.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that the existing sofa supporting device needs a large movement space and is easy to interfere with the ground and a rear object in the stretching process, so that the overall sitting height of the sofa is high and the gap behind the backrest needs to be large.
In order to achieve the above object, the present invention provides a supporting device for a low-height sofa, comprising a base and a linkage supporting structure, wherein the linkage supporting structure is rotatably mounted on the base;
the linkage supporting structure comprises a first supporting piece, a swinging piece, a middle connecting piece, a linkage piece and a second supporting piece, wherein the first supporting piece and the second supporting piece are respectively connected to two ends of the base in a rotating manner;
the linkage piece is provided with a linkage point and a support connection point, the linkage piece is connected with the second support piece at the support connection point, the connection line of the linkage point and the support connection point is L1, the connection line of the support connection point and the connection point of the second support piece and the base is L2, and when the linkage support structure extends to the limit position, the included angle alpha between L1 and L2 is 8-15 degrees.
Further, when the linkage support structure extends forwards to the extreme position, the angle β between the second support member and the horizontal plane is less than 42 °.
Further, the backrest mechanism comprises a backrest installation part and a backrest linkage part, one end of the backrest installation part is used for being rotatably connected with the seat side plate, the other end of the backrest installation part is connected with the backrest linkage part, and the backrest linkage part is connected with the linkage part.
Further, a side plate connecting point and a back connecting point are further arranged on the linkage piece, the linkage piece is rotatably connected with the seat side plate at the side plate connecting point, the linkage piece is rotatably connected with the back linkage piece at the back connecting point, and when the linkage supporting structure extends to the limit position, an included angle gamma between a connecting line of the side plate connecting point and the back connecting point and a horizontal plane is larger than 50 degrees.
Furthermore, the seat side plate is rotatably connected with the linkage supporting structure through a swinging piece and a linkage piece.
Further, a seat frame installation surface is arranged on the outer side surface of the seat side plate, and when the supporting device is contracted to the limit position, the distance H from the highest point of the seat frame installation surface to the bottom surface of the base is less than 19 cm.
Further, be provided with back connecting portion on the seat curb plate, set up the back mounting point on the back connecting portion, back connecting portion are in back mounting point department with back installed part rotates the connection, works as the seat curb plate along with when linkage bearing structure removed, the back mounting point is relative the rigidity of seat curb plate is motionless.
Further, the seat side plate and the backrest connecting part are integrally formed or fixedly connected.
The utility model also provides a sofa, which comprises a backrest frame and the supporting device, wherein the backrest frame is connected with the backrest installation part.
Further, the backrest frame comprises a backrest tail edge, when the supporting device is located at the fully contracted extreme position, the plane where the backrest tail edge is located is an initial plane, and when the supporting device drives the backrest frame to rotate, the movement of the backrest tail edge does not exceed the initial plane.
Compared with the prior art, the utility model has the following beneficial effects:
when the linkage supporting structure extends to the limit position, the included angle between the connecting line of the linkage point and the supporting connecting point of the linkage piece and the connecting line of the connecting point of the second supporting piece and the base is reduced, so that the extending length of the linkage piece and the second supporting piece is increased, the included angle between the second supporting piece and the base is reduced after extending, the integral height of the supporting device can be further reduced under the condition of ensuring the extending distance of the supporting device, and the stability is improved.
According to the backrest frame, when the support device drives the backrest frame to rotate, the movement of the tail edge of the backrest does not exceed the initial plane, namely the sofa can be placed in a zero-wall mode and can be adjusted in a telescopic mode without barriers, and space is saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical means in the prior art, the drawings used in the description of the embodiments 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 present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a supporting device of the present embodiment;
FIG. 2 is a schematic structural view of the linkage support structure of the present embodiment;
FIG. 3 is a schematic view of the support device of the present embodiment retracted to an extreme position;
FIG. 4 is a schematic view of the rear edge of the backrest in the sitting position and the lying position of the sofa according to the present embodiment;
fig. 5 is a schematic structural view of a sofa according to the embodiment.
In the figures, the reference numbers are: 1-base, 11-limit piece, 2-linkage support structure, 21-first support piece, 22-swinging piece, 23-middle connection piece, 24-linkage piece, 241-linkage point, 242-support connection point, 243-side plate connection point, 244-back connection point, 25-second support piece, 3-seat side plate, 31-seat frame installation surface, 32-backrest connection part, 321-backrest installation point, 4-backrest mechanism, 41-backrest installation piece, 42-backrest linkage piece, 40-backrest frame, 401-backrest tail edge and 50-armrest.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the accompanying drawings in combination with the embodiments. It is to be understood that these descriptions are only illustrative and are not intended to limit the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In addition, in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be connected directly or indirectly through an intermediate medium, or the two elements may be connected through an internal member. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Examples
As shown in fig. 1-3, the embodiment of the present invention provides a supporting device for a low-height sofa, which includes a base 1 and a linkage supporting structure 2, wherein the linkage supporting structure 2 is rotatably mounted on the base 1; the linkage supporting structure 2 comprises a first supporting part 21, a swinging part 22, a middle connecting part 23, a linkage part 24 and a second supporting part 25, wherein the first supporting part 21 and the second supporting part 25 are respectively connected to two ends of the base 1 in a rotating manner, the swinging part 22 is connected with the first supporting part 21, and two ends of the middle connecting part 23 are respectively connected with the swinging part 22 and the linkage part 24;
the linkage piece 24 is provided with a linkage point 241 and a support connection point 242, the linkage piece 24 is connected with the second support piece 25 at the support connection point 242, the connecting line of the linkage point 241 and the support connection point 242 is L1, the connecting line of the support connection point 242 and the connection point of the second support piece 25 and the base 1 is L2, and when the linkage support structure 2 extends to the limit position, the included angle α between L1 and L2 is 8-15 °.
It should be noted that, a collinear position of a connecting line L1 between the linkage point 241 and the support connection point 242 and a connecting line L2 between the support connection point 242 and a connection point of the second support member 25 and the base 1 is a dead point position of the second support member, so to ensure that the second support member can smoothly rotate, an included angle between L1 and L2 is greater than 0 °. Preferably, in this embodiment, an included angle α between a connection line between the linking point 241 and the supporting connection point 242 and the second supporting member 25 may be 8 °, 9 °, 10 °, 12 ° or 15 °, at this time, the second supporting member may smoothly rotate, and the linking member drives the extending distance of the second supporting member to increase. Preferably, a limiting member 11 is further disposed between the second supporting member 25 and the base 1, and the limiting member 11 is used for limiting the maximum forward rotation angle of the second supporting member, so that the second supporting member can rotate smoothly.
In particular, the angle β between the second support 25 and the horizontal when the ganged support structure 2 is extended forwards to the extreme position is less than 42 °, preferably the angle β may be 38 ° or 40 °. In this embodiment, the angle of the forward rotation of the second supporting member 25 is increased, the included angle between the rotated second supporting member and the base is reduced, and the overall extending distance of the linkage supporting structure is further increased, so that under the condition of the same extending length, the size of the part of the linkage supporting structure can be reduced, and the overall height can be further reduced.
Specifically, the backrest structure further comprises a backrest structure 4, wherein the backrest structure 4 comprises a backrest mounting part 41 and a backrest linkage part 42, one end of the backrest mounting part 41 is used for being rotatably connected with the seat side plate 3, the other end of the backrest mounting part 41 is connected with the backrest linkage part 42, and the backrest linkage part 42 is connected with the linkage part 24. Specifically, the backrest mounting member 41 is a T-shaped connecting member, and a middle connecting portion of the T-shaped connecting member is used to connect with the backrest frame 40.
Specifically, the linkage 24 is further provided with a side plate connection point 243 and a back connection point 244, the linkage 24 is rotatably connected with the seat side plate 3 at the side plate connection point 243, the linkage 24 is rotatably connected with the backrest linkage 42 at the back connection point 244, and when the linkage support structure 2 extends to the limit position, an included angle γ between a connecting line of the side plate connection point 243 and the back connection point 244 and a horizontal plane is greater than 50 °. It should be noted that, in the present embodiment, the position of the back connection point 244 of the linkage 24 affects the rotation angle of the backrest linkage 42, and when the linkage support structure 2 extends to the limit position, the greater the included angle between the connection line of the side plate connection point 243 and the back connection point 244 and the horizontal plane is, the greater the rotation angle of the backrest linkage 42 driving the backrest mounting member is. In this embodiment, when the linkage supporting structure 2 extends to the limit position, the included angle γ between the horizontal plane and the connecting line of the side plate connecting point 243 and the back connecting point 244 may be 52 °, 53 °, 55 °, 56 °, or 60 °, and the back connecting point 244 has a certain distance from the bottom surface of the base 1, so that the linkage member does not touch and interfere with the ground during the movement.
Specifically, the seat side plate device further comprises a seat side plate 3, and the seat side plate 3 is rotatably connected with the linkage supporting structure 2 through a swinging piece 22 and a linkage piece 24. Specifically, a seat frame mounting surface 31 is arranged on the outer side surface of the seat side plate 3, and when the supporting device is contracted to the limit position, the distance H from the highest point of the seat frame mounting surface 31 to the bottom surface of the base 1 is less than 19 cm. In this embodiment, a seat frame mounting surface 31 is provided on the outer surface of the seat side plate 3, the seat mounting surface 31 is used for mounting a seat frame of a sofa or a seat, and the seat frame mounting surface 31 is provided obliquely with respect to the base. Preferably, the distance from the seat frame mounting surface 31 to the bottom surface of the base 1 in the embodiment may be 15cm, 16cm or 18 cm. Part turned angle changes among this embodiment linkage bearing structure for the whole height of structure reduces, and the seat height reduces can satisfy the design of low seat height sofa style.
Specifically, a backrest connecting portion 32 is arranged on the seat side plate 3, a backrest mounting point 321 is arranged on the backrest connecting portion 32, the backrest connecting portion 32 is rotatably connected with the backrest mounting portion 41 at the backrest mounting point 321, and when the seat side plate 3 moves along with the linkage supporting structure 2, the backrest mounting point 321 is fixed relative to the seat side plate 3.
Specifically, the seat side plate 3 is integrally formed or fixedly connected with the backrest connecting portion 32. The back mounting point 321 is the pivot point of the back rest mechanism relative to the seat side panel. In this embodiment, since the backrest mounting point 321 is fixed relative to the seat side plate 3, so that the backrest frame 40 of the sofa can be designed into a T-shaped frame structure with two wings, the sofa armrest 50 is set to be armrest-lifted and can move with the seat side plate 3, when the supporting device is adjusted between the fully retracted limit position and the fully extended limit position, the backrest mechanism 4 drives the T-shaped backrest frame 40 to rotate relative to the sofa armrest 50 for adjusting the angle.
In this embodiment, the support device further includes a leg mechanism rotatably connected in front of the seat side plate, and the leg mechanism can be deployed or retracted in front of the seat side plate. The linkage supporting device drives the seat side plate to move so as to drive the leg mechanism and the backrest mechanism to move, so that the supporting device can move among positions of a sitting posture, an extending posture and a lying posture. Wherein, the leg mechanism and the backrest mechanism are both contracted to the limit positions in the sitting posture state; when in the stretching posture, the leg mechanism is stretched forwards; the leg mechanism and the backrest mechanism are both extended to the limit positions in the lying posture state.
The present invention also provides a sofa, as shown in fig. 4-5, comprising a backrest frame 40 and the supporting device, wherein the backrest frame 40 is connected with the backrest mounting member 41. The backrest frame 40 comprises a backrest tail edge 401, when the support device is in a fully retracted extreme position, a plane where the backrest tail edge 401 is located is an initial plane, and when the support device drives the backrest frame 40 to rotate, the movement of the backrest tail edge 401 does not exceed the initial plane.
Specifically, in this embodiment, the distance that results from the rearward rotational tilt of the backrest mechanism during extension is offset by the forward and upward translation of the backrest mechanism carried by the seat side panels and the linkage support structure, such that the sofa backrest frame 40 may be positioned in zero-clearance proximity to a rearward adjacent object, such as a wall. Here, "zero gap" refers to an effect achieved by saving space.
When the linkage supporting structure extends to the limit position, the extension lengths of the linkage piece and the second supporting piece are increased, the included angle between the second supporting piece and the base is smaller after extension, and the overall height of the supporting device can be further reduced under the condition that the extension distance of the supporting device is ensured, so that the sitting height is reduced, and the comfort and the stability of the sofa are improved. The backrest frame of the supporting device can be designed into a T-shaped backrest frame rotating around the handrail, so that the attractiveness is improved, and the sofa can be placed in a wall-free manner, so that the space is saved.
This embodiment strutting arrangement includes two sets of the same and strutting arrangement that sets up relatively, can also set up drive arrangement through manual zip control, through remote switch or automatically controlled button control position control, can satisfy user's different demands. The support device can be applied to furniture components such as sofas, seats and the like, and comprises but is not limited to single-person or multi-person furniture components, sofas and combined furniture components.
The terms "front" and "rear" in this embodiment refer to the orientations that a user takes when using a sofa or chair comprising the support device of the present invention, i.e., the direction the user faces when using the sofa is "front" and the side opposite to that direction is "rear".
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A supporting device for a low-height sofa is characterized by comprising a base (1) and a linkage supporting structure (2), wherein the linkage supporting structure (2) is rotatably arranged on the base (1);
the linkage supporting structure (2) comprises a first supporting part (21), a swinging part (22), a middle connecting part (23), a linkage part (24) and a second supporting part (25), wherein the first supporting part (21) and the second supporting part (25) are respectively connected to two ends of the base (1) in a rotating mode, the swinging part (22) is connected with the first supporting part (21), and two ends of the middle connecting part (23) are respectively connected with the swinging part (22) and the linkage part (24);
the linkage piece (24) is provided with a linkage point (241) and a support connection point (242), the linkage piece (24) is connected with the second support piece (25) at the support connection point (242), the connection line of the linkage point (241) and the support connection point (242) is L1, the connection line of the support connection point (242) and the connection point of the second support piece (25) and the base (1) is L2, and when the linkage support structure (2) extends to the limit position, the included angle alpha between L1 and L2 is 8-15 degrees.
2. A support device for low-height sofas according to claim 1, characterized in that the angle β between the second support (25) and the horizontal is less than 42 ° when the linking support structure (2) is extended forward to the extreme position.
3. The supporting device for the low-height sofa according to claim 1, further comprising a backrest mechanism (4), wherein the backrest mechanism (4) comprises a backrest mounting member (41) and a backrest linkage member (42), one end of the backrest mounting member (41) is used for being rotatably connected with the seat side plate (3), the other end of the backrest mounting member (41) is connected with the backrest linkage member (42), and the backrest linkage member (42) is connected with the linkage member (24).
4. The supporting device for the low-height sofa according to claim 3, wherein the linkage (24) is further provided with a side plate connecting point (243) and a back connecting point (244);
the linkage piece (24) is rotatably connected with the seat side plate (3) at a side plate connecting point (243), the linkage piece (24) is rotatably connected with the backrest linkage piece (42) at a back connecting point (244), and when the linkage supporting structure (2) extends to the limit position, an included angle gamma between a connecting line of the side plate connecting point (243) and the back connecting point (244) and a horizontal plane is larger than 50 degrees.
5. A support device for a low-profile sofa according to claim 1, further comprising a seat side plate (3), wherein the seat side plate (3) is rotatably connected to the linkage support structure (2) by a swinging member (22) and a linkage member (24).
6. A support device for a low-height sofa according to claim 5, characterized in that the outer side of the seat side plate (3) is provided with a seat frame mounting surface (31), and when the support device is contracted to the limit position, the distance H from the highest point of the seat frame mounting surface (31) to the bottom surface of the base (1) is less than 19 cm.
7. A support arrangement for a low-profile sofa according to claim 3, characterised in that a backrest connection part (32) is arranged on the seat side plate (3), that a backrest mounting point (321) is arranged on the backrest connection part (32), that the backrest connection part (32) is rotatably connected to the backrest mounting part (41) at the backrest mounting point (321), and that the backrest mounting point (321) is immovable relative to the seat side plate (3) when the seat side plate (3) moves with the linkage support structure (2).
8. A support device for a low-profile sofa according to claim 7, characterised in that the seat side panels (3) are integrally formed or fixedly connected with the backrest connecting portion (32).
9. A sofa, characterised by comprising a backrest frame (40) and a support device according to any of claims 1-8, the backrest frame (40) being connected to a backrest mounting (41) of a backrest mechanism (4).
10. A sofa according to claim 9, characterised in that the backrest frame (40) comprises a backrest trailing edge (401), the plane of the backrest trailing edge (401) being an initial plane when the support means is in the fully retracted extreme position, the movement of the backrest trailing edge (401) not exceeding the initial plane when the support means rotates the backrest frame (40).
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121198815.7U CN216797094U (en) | 2021-05-31 | 2021-05-31 | A strutting arrangement and sofa for low seat high sofa |
| PCT/CN2022/081000 WO2022252747A1 (en) | 2021-05-31 | 2022-03-15 | Linkage device for implementing no backrest clearance, support, seat unit, and seat |
| JP2023573219A JP2024519174A (en) | 2021-05-31 | 2022-03-15 | Linkage device, bracket, seat unit, and seat for achieving zero backrest clearance |
| KR1020237041294A KR20240004776A (en) | 2021-05-31 | 2022-03-15 | Interlocks, brackets, seat units and seats for zero back-to-back clearance |
| US18/523,879 US20240090668A1 (en) | 2021-05-31 | 2023-11-30 | Linkage Device for Implementing No Backrest Clearance, Supporting Frame, Seat Unit, and Seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121198815.7U CN216797094U (en) | 2021-05-31 | 2021-05-31 | A strutting arrangement and sofa for low seat high sofa |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216797094U true CN216797094U (en) | 2022-06-24 |
Family
ID=82040273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121198815.7U Active CN216797094U (en) | 2021-05-31 | 2021-05-31 | A strutting arrangement and sofa for low seat high sofa |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216797094U (en) |
-
2021
- 2021-05-31 CN CN202121198815.7U patent/CN216797094U/en active Active
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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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