CN216797056U - Electric linkage chair frame - Google Patents
Electric linkage chair frame Download PDFInfo
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- CN216797056U CN216797056U CN202123043645.8U CN202123043645U CN216797056U CN 216797056 U CN216797056 U CN 216797056U CN 202123043645 U CN202123043645 U CN 202123043645U CN 216797056 U CN216797056 U CN 216797056U
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- pivoted
- connecting rod
- rod body
- positioning plate
- backrest
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Abstract
The utility model discloses an electric linkage chair frame, which is characterized in that: comprises a positioning plate, a telescopic leg support, a connecting rod group, a seat part and a backrest; the telescopic leg support is arranged at the front end of the positioning plate, the lower end of the backrest is pivoted to the rear end of the positioning plate, and the upper end of the backrest can swing; the connecting rod group comprises a first connecting rod and a second connecting rod, wherein the first end of the first connecting rod is pivoted with one rod body in the telescopic leg support, the second end of the first connecting rod is pivoted with the first end of the second connecting rod, and the part of the second connecting rod, which is close to the second end, is pivoted on the part of the positioning plate, which is close to the front end; the front end of the seat part is pivoted on the second end part of the second connecting rod through a supporting part, and the rear end of the seat part is pivoted on the middle part of the backrest. The utility model has the advantages of simple and light structure, comfortable and convenient use.
Description
Technical Field
The utility model relates to the field of sofas, in particular to an electric linkage chair frame.
Background
With the development of society, the pursuit of quality of life is continuously increasing. For the choice of furniture, consumers have been limited to more than a single function, and it is more than the desire to maximize the utilization of furniture, which is a modern thinking.
Consumers are more pursuing comfort, such as a functional iron stand that can provide multiple use modes, such as sitting, leisure, full-lying, etc., than sofas. In the actual development process, as the functions of the functional iron frame are gradually increased, the structure of the functional iron frame is also more and more complicated, that is, a complicated connecting rod structure is required to be arranged between the telescopic leg support, the seat and the backrest. The connecting rod group consisting of a plurality of connecting rods is arranged between the telescopic leg support and the seat part, and the connecting rod group consisting of a plurality of connecting rods is arranged between the seat part and the backrest, so that the switching of each posture of the functional iron frame is realized. In the process of actual use, too many linkage groups easily cause damage to the functional iron frame.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides the electric linkage chair frame which is simple and light in structure, comfortable and convenient to use.
In order to achieve the purpose, the utility model provides the following technical scheme:
an electric linkage chair frame is characterized in that: comprises a positioning plate, a telescopic leg support, a connecting rod group, a seat part and a backrest;
the telescopic leg support is arranged at the front end of the positioning plate, the lower end of the backrest is pivoted to the rear end of the positioning plate, and the upper end of the backrest can swing;
the connecting rod group comprises a first connecting rod and a second connecting rod, wherein the first end of the first connecting rod is pivoted with one rod body in the telescopic leg support, the second end of the first connecting rod is pivoted with the first end of the second connecting rod, and the part of the second connecting rod, which is close to the second end, is pivoted on the part of the positioning plate, which is close to the front end;
the front end of the seat part is pivoted on the second end part of the second connecting rod through a supporting part, and the rear end of the seat part is pivoted on the middle part of the backrest.
Preferably, a distance from a pivot point between the supporting portion and the second connecting rod to a pivot point between the positioning plate and the second connecting rod is a front swing radius, a distance from a pivot point between the seat portion and the backrest to a pivot point between the backrest and the positioning plate is a rear swing radius, and a distance of the front swing radius is smaller than a distance of the rear swing radius.
Preferably, the telescopic leg support comprises a first rod body, a second rod body, a third rod body, a fourth rod body and a leg rest group; in the unfolding state, the rear end of the first rod body is pivoted to the front end of the positioning plate, the front end of the first rod body is pivoted to the rear end of the second rod body, the front end of the second rod body is pivoted to the leg placing group, the rear end of the third rod body is pivoted to the position, close to the front end, of the positioning plate, the front end of the third rod body is pivoted to the rear end of the fourth rod body, and the front end of the fourth rod body is pivoted to the leg placing group;
the first connecting rod is pivoted on the third rod body.
Preferably, a tension spring which provides a furling force for the telescopic leg support is arranged between the third rod body and the positioning plate.
Preferably, the first connecting rod is fixedly connected with a front motor pipe connecting plate.
The utility model has the advantages that: the linkage among the telescopic leg support, the seat part and the backrest can be realized through the first connecting rod and the second connecting rod, and the telescopic leg support, the seat part and the backrest have the characteristic of simple structure; on the basis of linkage, can also realize the back-moving of seat portion, angle modulation and the angle modulation of back when the appearance state of lying, show the travelling comfort that promotes the appearance state of lying.
Drawings
FIG. 1 is a schematic view of an unfolded state of the electric linkage chair frame according to the present embodiment;
fig. 2 is a schematic view illustrating a closed state of the electric linkage chair frame according to the embodiment.
Detailed Description
The electric linkage chair frame of the utility model is further described with reference to fig. 1 to 2.
An electric linkage chair frame is characterized in that: comprises a positioning plate 3, a telescopic leg support 1, a linkage 4, a seat 2 and a backrest 8. The positioning plate is used for being fixed on the sofa frame. The telescopic leg support 1 is mounted on the front end part of the positioning plate 3, the lower end of the backrest 8 is pivoted on the rear end part of the positioning plate 3, and the upper end of the backrest can swing. As shown in fig. 1, the linkage 4 includes a first link 41 and a second link 42, a first end, i.e. a front end, of the first link 41 is pivotally connected to one of the rods of the telescopic leg support 1, a second end, i.e. a rear end, is pivotally connected to a first end, i.e. a front end, of the second link 42, and a portion of the second link 42 near the second end is pivotally connected to a portion of the positioning plate 3 near the front end. The seat 2 has a downwardly protruding support 21 near the front end, the front end of the seat 2 is pivotally connected to the second end of the second link 42 through the support 21, and the rear end is pivotally connected to the middle of the backrest 8.
Specifically, the distance from the pivot point between the support portion and the second link 42 to the pivot point between the positioning plate 3 and the second link 42 is a front swing radius 72, the distance from the pivot point between the seat portion 2 and the backrest 8 to the pivot point between the backrest 8 and the positioning plate 3 is a rear swing radius 73, and the distance of the front swing radius 72 is smaller than the distance of the rear swing radius 73. The included angles between the front swing radius 72 and the horizontal plane and the included angles between the rear swing radius 73 and the horizontal plane are respectively a front included angle 71 and a rear included angle 74, and in the process of switching from the folded state to the unfolded state, the front included angle 71 and the rear included angle 74 are gradually increased, the front included angle 71 is increased from an acute angle to an obtuse angle, and the rear included angle 74 is always smaller than 90 degrees. Based on the structure, when the chair frame is switched from the furled position to the lying position, the rear end of the seat part 2 can gradually descend relative to the front end while the seat part 2 swings backwards, so as to adjust the angle of the seat part 2 and obviously improve the comfort of a user in the lying state.
In this embodiment, the specific structure of the telescopic leg support 1 is as follows: the telescopic leg support 1 comprises a first rod body 11, a second rod body 12, a third rod body 13, a fourth rod body 14 and a leg rest group 15; in the unfolded state, the rear end of the first rod 11 is pivoted to the front end of the positioning plate 3, the front end of the first rod is pivoted to the rear end of the second rod 12, the front end of the second rod 12 is pivoted to the leg rest group 15, the rear end of the third rod 13 is pivoted to the position, close to the front end, of the positioning plate 3, the front end of the third rod is pivoted to the rear end of the fourth rod 14, and the front end of the fourth rod 14 is pivoted to the leg rest group 15; the first link 41 is pivotally connected to the third rod 13.
A tension spring 5 which provides a furling force for the telescopic leg support 1 is arranged between the third rod body 13 and the positioning plate 3. Namely, the third rod body and the positioning plate are provided with positioning pins, and two ends of the tension spring 5 are respectively hung on the two positioning pins. The structure can facilitate the folding of the utility model.
A front motor pipe connecting plate 61 is fixedly connected to the first connecting rod 41, and a rear motor pipe connecting plate 62 is arranged on the positioning plate 3. The push rod end of the push rod motor is connected with the front motor pipe connecting plate 61 through a front motor pipe, and the motor end of the push rod motor is connected with the rear motor pipe connecting plate 62 through a rear motor pipe, so that the chair frame is driven to be unfolded or folded.
When the leg support is used specifically, the push rod motor drives the first connecting rod 41 to swing back and forth, when the first connecting rod 41 swings forwards, the telescopic leg support 1 can be driven to unfold, meanwhile, the seat part 2 is driven to swing backwards through the second connecting rod 42, the upper end of the seat part 2 is linked with the backrest 8 to swing backwards and downwards, and finally, a lying posture state is formed. The distance between the seat part 2 and the leg placing group 15 can be increased after the seat part is backwards swung, the support of the legs of a user is convenient, and the rear end of the seat part 2 gradually sinks relative to the front end in the process of backwards swinging of the seat part 2, so that the comfort of the lying posture state of the user is improved. When the electric push rod contracts to drive the first connecting rod to swing backwards, the process acts reversely.
Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., 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, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (5)
1. An electric linkage chair frame is characterized in that: comprises a positioning plate, a telescopic leg support, a connecting rod group, a seat part and a backrest;
the telescopic leg support is arranged at the front end of the positioning plate, the lower end of the backrest is pivoted to the rear end of the positioning plate, and the upper end of the backrest can swing;
the connecting rod group comprises a first connecting rod and a second connecting rod, wherein the first end of the first connecting rod is pivoted with one rod body in the telescopic leg support, the second end of the first connecting rod is pivoted with the first end of the second connecting rod, and the part of the second connecting rod, which is close to the second end, is pivoted on the part of the positioning plate, which is close to the front end;
the front end of the seat part is pivoted on the second end part of the second connecting rod through a supporting part, and the rear end of the seat part is pivoted on the middle part of the backrest.
2. The power operated linked chair frame as claimed in claim 1, wherein: the distance from the pivot point between the supporting part and the second connecting rod to the pivot point between the positioning plate and the second connecting rod is a front swing radius, the distance from the pivot point between the seat part and the backrest to the pivot point between the backrest and the positioning plate is a rear swing radius, and the distance of the front swing radius is smaller than that of the rear swing radius.
3. The power operated linked chair frame as claimed in claim 2, wherein: the telescopic leg support comprises a first rod body, a second rod body, a third rod body, a fourth rod body and a leg placing group; in the unfolding state, the rear end of the first rod body is pivoted to the front end of the positioning plate, the front end of the first rod body is pivoted to the rear end of the second rod body, the front end of the second rod body is pivoted to the leg placing group, the rear end of the third rod body is pivoted to the position, close to the front end, of the positioning plate, the front end of the third rod body is pivoted to the rear end of the fourth rod body, and the front end of the fourth rod body is pivoted to the leg placing group;
the first connecting rod is pivoted on the third rod body.
4. The power operated linked chair frame as claimed in claim 3, wherein: and a tension spring which provides a furling force for the telescopic leg support is arranged between the third rod body and the positioning plate.
5. The power operated linked chair frame as claimed in claim 1, wherein: and the first connecting rod is fixedly connected with a front motor pipe connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123043645.8U CN216797056U (en) | 2021-12-03 | 2021-12-03 | Electric linkage chair frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123043645.8U CN216797056U (en) | 2021-12-03 | 2021-12-03 | Electric linkage chair frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216797056U true CN216797056U (en) | 2022-06-24 |
Family
ID=82051984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123043645.8U Active CN216797056U (en) | 2021-12-03 | 2021-12-03 | Electric linkage chair frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216797056U (en) |
-
2021
- 2021-12-03 CN CN202123043645.8U patent/CN216797056U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |