CN216316606U - Seat linkage supporting device and seat - Google Patents
Seat linkage supporting device and seat Download PDFInfo
- Publication number
- CN216316606U CN216316606U CN202121200209.4U CN202121200209U CN216316606U CN 216316606 U CN216316606 U CN 216316606U CN 202121200209 U CN202121200209 U CN 202121200209U CN 216316606 U CN216316606 U CN 216316606U
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- supporting
- backrest
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- 230000007246 mechanism Effects 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a seat linkage supporting device and a seat, 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 supporting connection point, the linkage piece is connected with the second supporting piece at the supporting connection point, the distance between the linkage point and the supporting connection point is L1, the distance between the supporting connection point and the connection point of the second supporting piece and the base is L2, and the ratio range of L1 to L2 is 0.6-0.75. The utility model has the advantages of increased extension length, reduced overall height, zero-clearance placement of the back rest tail edge and the adjacent object behind the back rest, and saved floor space.
Description
Technical Field
The utility model belongs to the technical field of seats, and particularly relates to a seat linkage supporting device and a seat.
Background
At present, the multifunctional sofa or the chair becomes furniture widely used in intelligent home life, and the multifunctional sofa can be adjusted to a contraction position in a normal sitting posture, an extension position in which only the legs extend and a lying posture position in which the legs and the back completely extend according to different requirements of a user for sitting, leisure and lying for rest.
The existing multifunctional seat is complex in structure of a mechanical telescopic device for adjusting the position, and the fact that interference does not occur between telescopic device parts and between the telescopic device and the ground in the process of adjusting the extension length and the position of the mechanical telescopic device is guaranteed, so that the overall sitting height is usually set to be higher. The existing multifunctional seat back rotates backwards during adjustment, so that the gap between the back of the back and the wall or an object needs to be large enough, so that the space behind the seat is enough when the seat is extended.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that the whole seat is higher in sitting height and the movement clearance required behind the backrest frame of the seat is larger due to the fact that the movement space of the existing seat supporting device is larger under the condition that the extending length is ensured.
In order to achieve the above object, the present invention provides a seat linkage supporting device, which includes 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 supporting connection point, the linkage piece is connected with the second supporting piece at the supporting connection point, the distance between the linkage point and the supporting connection point is L1, the distance between the supporting connection point and the connection point of the second supporting piece and the base is L2, and the ratio range of L1 to L2 is 0.6-0.75.
Furthermore, still be provided with curb plate tie point and back tie point on the interlock piece, the curb plate tie point is used for being connected with the seat curb plate, the back tie point is used for being connected with back mechanism linkage support structure's flexible in-process, the distance H1 of back tie point to the base bottom surface is more than or equal to 3 cm.
Further, a distance L3 between the support connection point and a connection point of the second support and the base is less than 18 cm.
Furthermore, one end of the middle connecting piece is connected with the middle part of the swinging piece, and the other end of the middle connecting piece is rotatably connected with the linkage piece at the linkage point.
Further, still include the seat curb plate, the seat curb plate through swing spare and interlock spare with linkage bearing structure rotates and is connected.
Furthermore, a seat frame mounting surface is arranged on the outer side surface of the seat side plate, and comprises a first mounting surface, a second mounting surface and a third mounting surface;
the first attachment surface is provided at a middle portion of the seat side plate, the second attachment surface is provided at a bent portion of the seat side plate, and the third attachment surface is provided at a front end portion of the seat side plate.
Further, when the supporting device is contracted to the limit position, the distance H2 from the highest point of the seat frame installation surface to the bottom surface of the base is less than 19 cm.
Further, the backrest mechanism comprises a backrest installation part and a backrest linkage part, one end of the backrest installation part is 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, when the linkage supporting structure drives the backrest mechanism to move forwards, the backrest linkage piece drives the backrest installation piece to rotate downwards and backwards.
The utility model also provides a seat, which comprises a backrest frame and the supporting device, wherein the backrest frame is connected with the backrest installation part.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the ratio of the distance between the linkage point and the support connection point to the distance between the support connection point and the connection point of the second support member and the base is set to be different, so that the extension length of the linkage support structure is increased, the overall height of the linkage support structure is reduced after extension, and the height of the base can be further reduced and the stability can be increased.
When the backrest frame is adjusted between the completely contracted limit position and the completely extended limit position along with the backrest mechanism, the rear edge of the backrest and an adjacent object behind the backrest can be placed at zero clearance, so that the occupied space can be 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 view of a linkage support structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of the support device retracted to an extreme position according to an embodiment of the present invention;
FIG. 3 is another side view of FIG. 2;
FIG. 4 is a schematic view of the support device of the present invention extended to an extreme position;
FIG. 5 is a schematic view of the waist-top assembly in an extended state according to an embodiment of the present invention;
fig. 6 is a schematic view of the position of the rear edge of the backrest in the sitting and lying positions of the chair of the present invention.
In the figures, the reference numbers are: 1-base, 2-linkage supporting structure, 21-first supporting piece, 22-swinging piece, 23-middle connecting piece, 24-linkage piece, 241-linkage point, 242-support connecting point, 243-side plate connecting point, 244-back connecting point, 25-second supporting piece, 3-seat side plate, 31-seat frame mounting surface, 311-first mounting surface, 312-second mounting surface, 313-third mounting surface, 4-backrest mechanism, 41-backrest mounting piece, 42-backrest linkage piece, 40-backrest frame and 401-backrest tail edge.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is 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 to 5, an embodiment of the present invention provides a seat linkage supporting device, 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 linking part 24 and a second supporting part 25, wherein the first supporting part 21 and the second supporting part 25 are respectively rotatably supported at two ends of the base 1, 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 linking 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 distance between the linkage point 241 and the support connection point 242 is L1, the distance between the support connection point 242 and the connection point between the second support piece 25 and the base 1 is L2, and the ratio of L1 to L2 ranges from 0.6 to 0.75.
It should be noted that, the ratio between L1 and L2 in this embodiment is set, the maximum length of the linkage point 241 driving the second supporting member 25 to extend forward can be changed, and the height of the second supporting member 25 can be reduced under the condition of ensuring the extended length, so as to reduce the height of the linkage supporting structure, thereby reducing the seat height. Preferably, in some embodiments, the ratio of L1 to L2 may be 0.6, 0.65, 0.67, 0.7, or 0.75.
Specifically, the linkage 24 is further provided with a side plate connection point 243 and a back connection point 244, the side plate connection point 243 is used for being connected with the seat side plate 3, the back connection point 244 is used for being connected with the backrest mechanism 4, and in the process of extending and retracting the linkage support structure 2, the distance H1 from the back connection point 244 to the bottom surface of the base 1 is greater than or equal to 3 cm. In the present embodiment, the back connection point is the lowest point of the linkage member 24 from the bottom surface of the base, and the distance from the back connection point 244 to the bottom surface of the base 1 during the movement of the linkage support structure is not less than 3cm, preferably 3cm, 4cm or 5cm, so that the ground contact, interference or jamming will not occur during the extension and retraction process.
In particular, the distance L3 between the support connection point 242 and the connection point of the second support 25 and the base 1 is less than 18 cm. Preferably, in the embodiment, the distance from the connecting point 241 to the connecting point of the second supporting member 25 and the base 1 is limited by the length of the second supporting member 25, and the distance from the supporting connecting point 242 to the connecting point of the second supporting member 25 and the base 1 may be 16cm, 16.5cm, 17cm or 17.5cm if the size ratio is satisfied. In this embodiment, the lengths of the first support and the second support are reduced, so that the seat height is lowered and the stability is increased.
Specifically, one end of the intermediate link 23 is connected to the middle of the swing member 22, and the other end of the intermediate link 23 is rotatably connected to the linkage member 24 at the linkage point 241.
Specifically, the present embodiment further includes a seat side plate 3, and the seat side plate 3 is rotatably connected to the linkage support structure 2 through a swinging member 22 and a linkage 24. The outer side surface of the seat side plate 3 is provided with a seat frame installation surface 31, when the supporting device is contracted to the limit position, the distance H2 between the highest point of the seat frame installation surface 31 and the bottom surface of the base 1 is less than 19cm, and the seat frame installation surface 31 is obliquely arranged relative to the base 1. Specifically, the bezel mounting surface 31 includes a first mounting surface 311, a second mounting surface 312, and a third mounting surface, the first mounting surface 311 is provided at a middle portion of the seat side plate 3, the second mounting surface 312 is provided at a bent portion of the seat side plate 3, and the third mounting surface 313 is provided at a front end portion of the seat side plate 3.
In the present embodiment, the seat mounting surface 31 is used to mount a seat frame of a sofa or a seat. Preferably, the distance from the seat frame installation surface 31 to the bottom surface of the base 1 can be 15cm, 16cm or 18cm, so that the seat of the embodiment can meet the design of a low-height seat.
Specifically, the present embodiment further includes a backrest mechanism 4, where the backrest mechanism 4 includes a backrest mounting component 41 and a backrest linkage component 42, one end of the backrest mounting component 41 is rotatably connected to the seat side plate 3, the other end of the backrest mounting component 41 is connected to the backrest linkage component 42, and the backrest linkage component 42 is connected to the linkage component 24. Specifically, when the linkage support structure 2 drives the backrest mechanism 4 to move forward, the backrest linkage member 42 drives the backrest installation member 41 to rotate downward and rearward.
The present embodiment also provides a chair, as shown in fig. 6, comprising a backrest frame 40 and the supporting device, wherein the backrest frame 40 is connected to the backrest mounting member 41. The backrest frame 40 comprises a backrest trailing edge 401, the backrest frame 40 being arranged such that when the support device is in the fully retracted extreme position, the backrest trailing edge 401 is placed with zero clearance from the rear adjacent object and the support device can be fully extended to the extreme position without obstruction.
Specifically, in this embodiment, the distance that the backrest mechanism tilts in a rearward direction during the extension process is offset by the linkage of the support structure and the seat side plate to drive the backrest mechanism to translate forward and upward, thereby saving space behind the backrest mechanism to the maximum extent, so that the backrest frame 40 can be set close to a rear adjacent object with zero clearance, such as a wall with zero clearance. 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 part and the second supporting part are increased. Compared with the traditional structure, the length of the second supporting piece is reduced, the overall height of the supporting device can be further reduced under the condition that the extending distance of the supporting device is ensured, and therefore the seat height is reduced. The backrest frame of the supporting device can be designed into a T-shaped backrest frame, so that the attractiveness is improved.
The chair comprises two identical and oppositely arranged supporting devices, can be driven by a manual zipper and also can be driven by a driving device, and the position adjustment is controlled by a remote switch or an electric control button, so that the legs and the backrest can be independently adjusted and also can be adjusted simultaneously, and different requirements of users can be met. 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.
In this embodiment "front" and "rear" refer to the orientation that a user takes when using a sofa or chair comprising the support device of the utility model, i.e. the direction the user faces when using the sofa is "front" and the side opposite to this 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. The linkage supporting device for the seat 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 piece (21), a swinging piece (22), a middle connecting piece (23), a linkage piece (24) and a second supporting piece (25), the first supporting piece (21) and the second supporting piece (25) are respectively connected to two ends of the base (1) in a rotating mode, the swinging piece (22) is connected with the first supporting piece (21), and two ends of the middle connecting piece (23) are respectively connected with the swinging piece (22) and the linkage piece (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 distance between the linkage point (241) and the support connection point (242) is L1, the distance between the support connection point (242) and the connection point of the second support piece (25) and the base (1) is L2, and the ratio range of L1 to L2 is 0.6-0.75.
2. The seat linkage supporting device according to claim 1, wherein the linkage (24) is further provided with a side plate connecting point (243) and a back connecting point (244);
the side plate connecting point (243) is used for being connected with a seat side plate (3), the back connecting point (244) is used for being connected with a backrest mechanism (4), and in the telescopic process of the linkage supporting structure (2), the distance H1 between the back connecting point (244) and the bottom surface of the base (1) is larger than or equal to 3 cm.
3. A seat linkage support device according to claim 1, wherein the distance L3 between the support connection point (242) and the connection point of the second support (25) and the base (1) is less than 18 cm.
4. A seat linkage supporting device according to claim 1, characterized in that one end of the intermediate connecting member (23) is connected to the middle of the swinging member (22), and the other end of the intermediate connecting member (23) is rotatably connected to the linking member (24) at the linking point (241).
5. A seat linkage support device according to claim 1, further comprising a seat side plate (3), wherein the seat side plate (3) is rotatably connected with the linkage support structure (2) through a swinging member (22) and a linkage member (24).
6. A seat linkage supporting device 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 the seat frame mounting surface (31) comprises a first mounting surface (311), a second mounting surface (312) and a third mounting surface (313);
the first mounting surface (311) is provided at a middle portion of the seat side plate (3), the second mounting surface (312) is provided at a bent portion of the seat side plate (3), and the third mounting surface (313) is provided at a front end portion of the seat side plate (3).
7. A seat linkage support device according to claim 6, wherein the distance H2 from the highest point of the seat frame mounting surface (31) to the underside of the base (1) is less than 19cm when the support device is retracted to the extreme position.
8. A seat linkage support device according to claim 5, further comprising a backrest mechanism (4), the backrest mechanism (4) comprising a backrest mount (41) and a backrest linkage (42);
one end of the backrest installation part (41) is rotatably connected with the seat side plate (3), the other end of the backrest installation part (41) is connected with the backrest linkage part (42), and the backrest linkage part (42) is connected with the linkage part (24).
9. A seat linkage support device according to claim 8, wherein said backrest linkage member (42) rotates said backrest mounting member (41) downwardly and rearwardly when said linkage support structure (2) moves said backrest mechanism (4) forwardly.
10. A seat comprising a backrest frame (40) and a support device as claimed in any one of claims 1 to 9, the backrest frame (40) being connected to a backrest mounting (41).
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121200209.4U CN216316606U (en) | 2021-05-31 | 2021-05-31 | Seat linkage supporting device and seat |
| KR1020237041294A KR20240004776A (en) | 2021-05-31 | 2022-03-15 | Interlocks, brackets, seat units and seats for zero back-to-back clearance |
| JP2023573219A JP2024519174A (en) | 2021-05-31 | 2022-03-15 | Linkage device, bracket, seat unit, and seat for achieving zero backrest clearance |
| PCT/CN2022/081000 WO2022252747A1 (en) | 2021-05-31 | 2022-03-15 | Linkage device for implementing no backrest clearance, support, seat unit, and seat |
| 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 |
|---|---|---|---|
| CN202121200209.4U CN216316606U (en) | 2021-05-31 | 2021-05-31 | Seat linkage supporting device and seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216316606U true CN216316606U (en) | 2022-04-19 |
Family
ID=81159233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121200209.4U Active CN216316606U (en) | 2021-05-31 | 2021-05-31 | Seat linkage supporting device and seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216316606U (en) |
-
2021
- 2021-05-31 CN CN202121200209.4U patent/CN216316606U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| 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 |