CN218044449U - Automatic opening and closing structure of armrest of functional sofa - Google Patents
Automatic opening and closing structure of armrest of functional sofa Download PDFInfo
- Publication number
- CN218044449U CN218044449U CN202221611586.1U CN202221611586U CN218044449U CN 218044449 U CN218044449 U CN 218044449U CN 202221611586 U CN202221611586 U CN 202221611586U CN 218044449 U CN218044449 U CN 218044449U
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- connecting rod
- backrest
- pivoted
- armrest
- mounting plate
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Abstract
The utility model discloses an automatic opening and closing structure of a functional sofa armrest, which comprises a base, a seat component, a backrest component and an armrest component; the base is provided with a base plate, a front supporting rod and a rear supporting rod; the seat component comprises a seat mounting plate, a front connecting rod and a rear crank throw, wherein two ends of the front connecting rod are respectively pivoted to the seat mounting plate and the front supporting rod; the backrest component comprises a backrest frame and a backrest connecting rod, the front end of the backrest frame is pivoted on the seat mounting plate, the rear end of the backrest frame is pivoted with the backrest connecting rod, and the lower end of the backrest connecting rod is pivoted on the lower end part; the handrail component comprises a handrail, a first connecting rod and a second connecting rod, the rear end of the first connecting rod is pivoted on the backrest support, the front end of the first connecting rod is connected with the handrail, the lower end of the second connecting rod is pivoted on the front inflection point position of the rear crank, and the upper end of the second connecting rod is pivoted on the first connecting rod. The utility model discloses can show the convenience and the travelling comfort that lifting function sofa used.
Description
Technical Field
The utility model relates to a sofa field especially relates to an automatic structure that opens and shuts of handrail of function sofa.
Background
With the development of society, sofas with adjusting functions have more and more entered the daily lives of people. The adjustable sofa is internally provided with a stretching mechanical support frame, namely a functional iron frame, the mechanical stretching support frame generally comprises a pedal mechanism, a seat mechanism and a backrest mechanism, and the relative positions and angles of the pedal, the seat and the backrest of the sofa can be adjusted through a series of mechanical connecting rod structures, so that the switching of the sitting posture, the leisure posture and the full lying posture of the sofa is realized.
In the prior art, when the functional sofa is switched from the lying posture state to the full-lying posture state, the body of a user moves backwards, namely, the arms also move backwards, and the armrests are in front, so that the arms of the user cannot be effectively supported, and the comfort of the user is obviously reduced, and further improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides an automatic structure that opens and shuts of handrail of function sofa can show convenience and the travelling comfort that promotes the use of function sofa.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides an automatic structure that opens and shuts of handrail of function sofa which characterized by: comprises a base, a seat component, a backrest component and an armrest component;
the base is provided with a base plate, a front supporting rod and a rear supporting rod which are pivoted on the front end and the rear end of the base plate;
the seat assembly comprises a seat mounting plate, a front connecting rod and a rear crank throw, wherein two ends of the front connecting rod are respectively pivoted to the front part of the seat mounting plate and the upper end part of the front supporting rod, the rear crank throw is provided with a lower end part, a rear end part and a front inflection point, and the lower end part and the rear end part are respectively pivoted to the rear part of the seat mounting plate and the upper end part of the rear supporting rod;
the backrest component comprises a backrest frame and a backrest connecting rod, the front end of the backrest frame is pivoted to the upper end part of the rear side of the seat mounting plate, the rear end of the backrest frame is pivoted with the upper end of the backrest connecting rod, and the lower end of the backrest connecting rod is pivoted to the lower end part of the rear crank;
the armrest component comprises an armrest, a first connecting rod and a second connecting rod, the rear end of the first connecting rod is pivoted to the backrest support, the front end of the first connecting rod is connected with the armrest, the lower end of the second connecting rod is pivoted to the front inflection point of the rear crank, and the upper end of the second connecting rod is pivoted to the first connecting rod.
Preferably, the armrest is provided with at least two groups of connecting holes for being mounted on the first connecting rod, and each group of connecting holes comprises a plurality of connecting holes for facilitating height adjustment of the armrest.
Preferably, a bridging rod is provided between the front connecting rod and the rear bell crank.
Preferably, the lower end of the rear crank is widened to reserve a front pivot position for pivoting the seat mounting plate and a rear pivot position for pivoting the backrest connecting rod.
Preferably, the rear end of the seat mounting plate is provided with a connecting part which extends upwards and is used for pivoting the backrest frame.
The utility model has the advantages that: in the process of switching the functional sofa from the lying position to the full lying position, the seat mounting plate moves forwards to drive the rear crank to rotate anticlockwise, the second connecting rod is jacked upwards, the front end of the first connecting rod is synchronously driven to swing upwards to lift the handrail, the handrail is automatically unfolded, and the support of the arm of a user is facilitated; otherwise, the seat mounting plate moves backwards, and the handrail component closes. Show the promotion the utility model discloses convenience and travelling comfort that use.
Drawings
Fig. 1 is a schematic view of the functional sofa in a full-lying posture according to the present embodiment;
fig. 2 is a schematic view of the functional sofa in a lying position according to the present embodiment;
fig. 3 is another schematic view of the functional sofa in a full-lying position according to the present embodiment;
fig. 4 is a schematic view of the armrest assembly provided in this embodiment in a closed state.
Detailed Description
The automatic opening and closing structure of the armrest of the functional sofa of the present invention will be further described with reference to fig. 1 to 4.
The utility model provides an automatic structure that opens and shuts of handrail of function sofa which characterized by: comprising a base 1, a seat assembly 2, a backrest assembly 4 and an armrest assembly 5. The base 1 has a base plate 12, and a front support bar 11 and a rear support bar 13 pivotally connected to the front and rear ends of the base plate 12, and the upper ends of the front support bar 11 and the rear support bar 13 can freely swing. The seat assembly 2 includes a seat mounting plate 21, a front connecting rod 22 and a rear crank 23, two ends of the front connecting rod 22 are respectively pivoted to the front portion of the seat mounting plate 21 and the upper end portion of the front supporting rod 11, the rear crank 23 has a lower end 231, a rear end 232 and a front inflection point 233, and the lower end 231 and the rear end 232 are respectively pivoted to the rear portion of the seat mounting plate 21 and the upper end portion of the rear supporting rod 13. The backrest assembly 4 includes a backrest frame 41 and a backrest connecting rod 42, the front end of the backrest frame 41 is pivotally connected to the upper end of the rear side of the seat mounting plate 21, the rear end of the backrest frame is pivotally connected to the upper end of the backrest connecting rod 42, and the lower end of the backrest connecting rod 42 is pivotally connected to the lower end 231 of the rear crank 23. The armrest assembly 5 includes an armrest 53, a first link 51 and a second link 52, wherein the rear end of the first link 51 is pivotally connected to the middle portion of the backrest frame 41, the front end of the first link is connected to the armrest 53, the lower end of the second link 52 is pivotally connected to the front inflection point 233 of the rear bell crank 23, and the upper end of the second link is pivotally connected to the middle portion or the front portion of the first link 51.
Specifically, the armrest 53 has at least two sets of connecting hole sets 531 for being mounted on the first connecting rod 51, and in this embodiment, each set of connecting hole sets 531 includes a plurality of connecting holes for facilitating height adjustment of the armrest 53. That is, the first link 51 has two fitting holes for the two sets of the connecting hole groups 531 to abut against. When different connecting holes are correspondingly assembled with the assembling holes through the connecting bolts, the height of the handrail 53 can be adjusted to meet the use requirements of different users.
The plurality of coupling holes in each set of coupling hole groups 531 are engaged with each other and have an overlapping portion to reduce the adjustment pitch.
A bridging rod 3 is arranged between the front connecting rod 22 and the rear crank 23 to ensure linkage and stability of the whole mechanism.
The lower end 231 of the rear crank 23 is widened to reserve a front pivot position for pivotally connecting the seat mounting plate 21 and a rear pivot position for pivotally connecting the backrest connecting rod 42, which are pivot holes.
A limiting pin 234 for supporting the rear end of the seat mounting plate 21 in the lying posture state is provided at the lower end 231 of the rear bell crank 23, and the limiting pin 234 is simultaneously abutted by the front side of the backrest connecting rod 42 in the full lying posture state, so as to improve the stability of the functional iron frame in each posture.
The rear end of the seat mounting plate 21 has a connecting portion 211 extending upward and pivotally connecting the back frame 41 to raise the mounting height of the back frame 41. At a front position of the seat mounting plate 21, there is a telescopic leg rest assembly.
Based on the above structure, the motor tube in the functional sofa is connected to the seat mounting plate 21, and when the lying position shown in fig. 2 is switched to the full lying position shown in fig. 1, the motor drives the seat mounting plate 21 to move forward and upward, so as to drive the lower end 231 of the rear crank 23 to move forward, and the rear crank 23 appropriately moves forward and simultaneously rotates counterclockwise under the traction of the rear support rod 13; the back crank 23 rotates anticlockwise and pulls the back connecting rod 42 to move downwards, so that the back end of the back frame 41 swings downwards to reach a full-lying posture state, and simultaneously the back crank drives the second connecting rod 52 to jack up, so that the front end of the first connecting rod 51 is jacked up, and the armrest 53 is unfolded to support the arm of the user in the full-lying posture state; on the contrary, when the full-lying position is switched to the lying position, the motor drives the seat mounting plate 21 to move backwards, so that the folding of the handrail component 5 is realized. In this process, handrail component 5 can open and shut automatically, is showing the convenience that promotes the use, can also promote the travelling comfort of using simultaneously.
In this embodiment, the pivot structure is implemented by a pivot shaft and a corresponding pivot shaft.
Unless otherwise specified, in the present invention, if the terms "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore, the terms describing the orientation or positional relationship in the present invention are used only for exemplary illustration and are not to be construed as limiting the present patent, and those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances with reference to the drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides an automatic structure that opens and shuts of handrail of function sofa which characterized by: comprises a base, a seat component, a backrest component and an armrest component;
the base is provided with a base plate, a front supporting rod and a rear supporting rod which are pivoted on the front end and the rear end of the base plate;
the seat assembly comprises a seat mounting plate, a front connecting rod and a rear crank throw, wherein two ends of the front connecting rod are respectively pivoted to the front part of the seat mounting plate and the upper end part of the front supporting rod, the rear crank throw is provided with a lower end part, a rear end part and a front inflection point, and the lower end part and the rear end part are respectively pivoted to the rear part of the seat mounting plate and the upper end part of the rear supporting rod;
the backrest component comprises a backrest frame and a backrest connecting rod, the front end of the backrest frame is pivoted to the upper end part of the rear side of the seat mounting plate, the rear end of the backrest frame is pivoted with the upper end of the backrest connecting rod, and the lower end of the backrest connecting rod is pivoted to the lower end part of the rear crank;
the armrest component comprises an armrest, a first connecting rod and a second connecting rod, the rear end of the first connecting rod is pivoted to the backrest support, the front end of the first connecting rod is connected with the armrest, the lower end of the second connecting rod is pivoted to the front inflection point of the rear crank, and the upper end of the second connecting rod is pivoted to the first connecting rod.
2. The automatic opening and closing structure of the armrest of the functional sofa according to claim 1, wherein: the handrail is provided with at least two groups of connecting hole groups used for being installed on the first connecting rod, and each group of connecting hole groups comprises a plurality of connecting holes convenient for the height of the handrail to be adjusted.
3. The automatic opening and closing structure of the armrest of the functional sofa according to claim 1, wherein: a bridging rod is arranged between the front connecting rod and the rear crank throw.
4. The automatic opening and closing structure of the armrest of the functional sofa according to claim 1, wherein: the lower end of the rear crank is widened to reserve a front pivot position for the pin joint of the seat mounting plate and a rear pivot position for the pin joint of the backrest connecting rod.
5. The automatic opening and closing structure of the armrest of the functional sofa according to claim 1, wherein: the back end of the seat mounting plate is provided with a connecting part which extends upwards and is used for pivoting the backrest frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221611586.1U CN218044449U (en) | 2022-06-24 | 2022-06-24 | Automatic opening and closing structure of armrest of functional sofa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221611586.1U CN218044449U (en) | 2022-06-24 | 2022-06-24 | Automatic opening and closing structure of armrest of functional sofa |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218044449U true CN218044449U (en) | 2022-12-16 |
Family
ID=84436345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221611586.1U Active CN218044449U (en) | 2022-06-24 | 2022-06-24 | Automatic opening and closing structure of armrest of functional sofa |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218044449U (en) |
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2022
- 2022-06-24 CN CN202221611586.1U patent/CN218044449U/en active Active
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