CN220024608U - Expansion device for electric sofa iron frame - Google Patents
Expansion device for electric sofa iron frame Download PDFInfo
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- CN220024608U CN220024608U CN202321385221.6U CN202321385221U CN220024608U CN 220024608 U CN220024608 U CN 220024608U CN 202321385221 U CN202321385221 U CN 202321385221U CN 220024608 U CN220024608 U CN 220024608U
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- connecting rod
- mounting plate
- hinged
- seat cushion
- height
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 claims description 5
- 210000001217 buttock Anatomy 0.000 abstract description 10
- 210000003127 knee Anatomy 0.000 abstract description 10
- 210000000689 upper leg Anatomy 0.000 abstract description 5
- 210000002414 leg Anatomy 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of sofa iron frames, and particularly relates to a telescopic device for an electric sofa iron frame, which comprises the following components: the seat cushion comprises a bottom plate, a seat cushion mounting plate and a connecting rod assembly; wherein the connecting rod assembly comprises: the first connecting rod, the second connecting rod, the third connecting rod, the fourth connecting rod and the connecting plate; the connecting plate is provided with a first end part, a second end part and a third end part; the length between the hinge points of the first connecting rod and the fourth connecting rod on the bottom plate is L 1 The vertical height between the hinge points of the two ends of the first connecting rod is L 2 In the sitting position, L 2 And L is equal to 1 Ratio of (2)The value range is 1.6-2.5, the height L of the device 2 Determining the height of the knee part from the ground when the user sits, length L 1 Determines the depth of the sitting position of the user by adjusting the height L 2 Length L 1 When the sitting posture is set in the above range, the height of the knees and buttocks of the user in sitting posture is approximately the same, and the buttocks and thighs of the user can be placed on the seat cushion, so that the contact area is increased to improve the comfort.
Description
Technical Field
The utility model belongs to the technical field of sofa iron frames, and particularly relates to a telescopic device for an electric sofa iron frame.
Background
The existing electric sofa iron frame can be switched and adjusted among sitting posture, TV posture and lying posture states, such as a telescopic frame for an electric sofa with a patent number of 202121869694.4.
However, in the implementation process, in order to reduce the gravity center of the electric sofa iron frame in the TV posture state and the lying posture state, the setting height of the seat cushion mounting plate is reduced, however, due to the design, when the electric sofa iron frame is in the sitting posture state, the front end height of the seat cushion mounting plate is too low, so that the knees of a user are higher than the buttocks too much in the sitting posture state, and meanwhile, the contact area between the buttocks, thighs and the seat cushion mounting plate is reduced, and the experience is poor.
Therefore, there is a need to design a telescopic device for an electric sofa iron frame.
Disclosure of Invention
The utility model aims to provide a telescopic device for an electric sofa iron frame, which aims to solve the technical problems in the background technology.
In order to solve the technical problems, the utility model provides a telescopic device for an electric sofa iron frame, which comprises: the seat cushion comprises a bottom plate, a seat cushion mounting plate and a connecting rod assembly; wherein the connecting rod assembly comprises: the first connecting rod, the second connecting rod, the third connecting rod, the fourth connecting rod and the connecting plate; the connecting plate is provided with a first end part, a second end part and a third end part; one end of the first connecting rod is hinged with the front end of the bottom plate, the other end of the first connecting rod is hinged with one end of the second connecting rod, and the other end of the second connecting rod is hinged with the middle part of the seat cushion mounting plate; one end of the third connecting rod is hinged with the middle part of the second connecting rod, and the other end of the third connecting rod is hinged with the first end part; the second end part is hinged with the rear end of the bottom plate through a fourth connecting rod; the third end part is hinged with the rear end of the seat cushion mounting plate; and the length between the hinge points of the first connecting rod and the fourth connecting rod on the bottom plate is L 1 The vertical height between the hinge points of the two ends of the first connecting rod is L 2 In the sitting position, L 2 And L is equal to 1 The ratio of (2) is 1.6-2.5.
In one embodiment, the length L 1 In the range of 400 to 520 mm.
In one embodiment, the height L 2 In the range of 230 to 250 mm.
In one embodiment, the telescopic device for electric sofa iron frame further comprises: the front end of the backrest mounting plate is hinged with the rear end of the seat cushion mounting plate; wherein the connecting rod assembly further comprises: a fifth link; the connecting plate is also provided with a fourth end part; the fourth end is hinged with the rear end of the backrest mounting plate through a fifth connecting rod.
In one embodiment, the telescopic device for electric sofa iron frame further comprises: a leg rest mounting plate; wherein in a sitting posture state, the length H between the top end hinge point of the backrest mounting plate and the top end hinge point of the leg rest mounting plate ranges from 700 mm to 1000 mm.
The utility model has the beneficial effects that the height L of the utility model 2 Determining the height of the knee part from the ground when the user sits, length L 1 Determines the depth of the sitting position of the user by adjusting the height L 2 Length L 1 When the sitting posture is arranged in the range, the heights of the knees and buttocks of a user in the sitting posture are approximately the same, buttocks and thighs of the user can be placed on the seat cushion, the contact area is increased, and accordingly comfort is improved.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and drawings.
In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a structure of a telescopic device for an electric sofa iron frame in a sitting posture state;
FIG. 2 is a schematic diagram of the internal side view of the present utility model in a seated position;
fig. 3 is a schematic diagram of the external side view of the present utility model in a seated position.
In the figure:
the floor 1, the seat cushion mounting plate 2, the first link 31, the second link 32, the third link 33, the fourth link 34, the connecting plate 35, the first end 351, the second end 352, the third end 353, the fourth end 354, the fifth link 36, the back mounting plate 4, the leg rest mounting plate 5;
length L between hinge points of first and fourth links on base plate 1 ；
Vertical height L between two hinge points of first connecting rod 2 ；
Length H between the top hinge point of the back mounting plate and the top hinge point of the leg rest mounting plate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, 2 and 3, the present embodiment provides a telescopic device for an electric sofa iron frame, which includes: a floor 1, a seat cushion mounting plate 2 and a link assembly; wherein the connecting rod assembly comprises:a first link 31, a second link 32, a third link 33, a fourth link 34, and a connection plate 35; the connecting plate 35 is provided with a first end 351, a second end 352 and a third end 353; one end of the first connecting rod 31 is hinged with the front end of the bottom plate 1, the other end of the first connecting rod 32 is hinged with one end of the second connecting rod 32, and the other end of the second connecting rod 32 is hinged with the middle part of the seat cushion mounting plate 2; one end of the third link 33 is hinged to the middle of the second link 32, and the other end is hinged to the first end 351; the second end 352 is hinged with the rear end of the bottom plate 1 through a fourth connecting rod 34; the third end 353 is hinged to the rear end of the seat cushion mounting plate 2; and the length between the hinge points of the first connecting rod 31 and the fourth connecting rod 34 on the bottom plate 1 is L 1 The vertical height between the two hinge points of the first link 31 is L 2 In the sitting position, L 1 And L is equal to 2 The ratio of (2) is 1.6-2.5.
In the present embodiment, the length L 1 In the range of 400 to 520 mm.
In the present embodiment, the height L 2 In the range of 230 to 250 mm.
In the present embodiment, specifically, the height L 2 Determining the height of the knee part from the ground when the user sits, length L 1 Determines the depth of the sitting position of the user by adjusting the height L 2 Length L 1 When the sitting posture is arranged in the range, the heights of the knees and buttocks of a user in the sitting posture are approximately the same, buttocks and thighs of the user can be placed on the seat cushion, the contact area is increased, and accordingly comfort is improved.
In this embodiment, the electric sofa expansion device for iron stand further includes: a back mounting plate 4, the front end of the back mounting plate 4 is hinged with the rear end of the seat cushion mounting plate 2; wherein the connecting rod assembly further comprises: a fifth link 36; the connection plate 35 is also provided with a fourth end 354; the fourth end 354 is hinged to the rear end of the back mounting plate by a fifth link 36.
In this embodiment, the electric sofa expansion device for iron stand further includes: a leg rest mounting plate 5; wherein the length H between the top hinge point of the backrest mounting plate 4 and the top hinge point of the leg rest mounting plate 5 ranges from 700 to 1000 mm in the sitting posture.
In this embodiment, the length H is specifically the distance between the head and the knee of the user, and when the length H is set in the above range, the user can rest on the backrest more comfortably in a sitting posture.
In summary, the height L of the present utility model 2 Determining the height of the knee part from the ground when the user sits, length L 1 Determines the depth of the sitting position of the user by adjusting the height L 2 Length L 1 When the sitting posture is arranged in the range, the heights of the knees and buttocks of a user in the sitting posture are approximately the same, buttocks and thighs of the user can be placed on the seat cushion, the contact area is increased, and accordingly comfort is improved.
The components (components not illustrating the specific structure) selected in the present utility model are common standard components or components known to those skilled in the art, and the structures and principles thereof are known to those skilled in the art through technical manuals or through routine experimental methods.
In the description of embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the several embodiments provided by the present utility model, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. The above-described apparatus embodiments are merely illustrative, for example, the division of the units is merely a logical function division, and there may be other manners of division in actual implementation, and for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some communication interface, device or unit indirect coupling or communication connection, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present utility model may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (5)
1. An electric sofa expansion device for iron stand, characterized by comprising:
the seat cushion comprises a bottom plate, a seat cushion mounting plate and a connecting rod assembly; wherein the method comprises the steps of
The connecting rod assembly includes: the first connecting rod, the second connecting rod, the third connecting rod, the fourth connecting rod and the connecting plate;
the connecting plate is provided with a first end part, a second end part and a third end part;
one end of the first connecting rod is hinged with the front end of the bottom plate, the other end of the first connecting rod is hinged with one end of the second connecting rod, and the other end of the second connecting rod is hinged with the middle part of the seat cushion mounting plate;
one end of the third connecting rod is hinged with the middle part of the second connecting rod, and the other end of the third connecting rod is hinged with the first end part;
the second end part is hinged with the rear end of the bottom plate through a fourth connecting rod;
the third end part is hinged with the rear end of the seat cushion mounting plate; and
the length between the hinge points of the first connecting rod and the fourth connecting rod on the bottom plate is L 1 The vertical height between the hinge points of the two ends of the first connecting rod is L 2 In the sitting position, L 2 And L is equal to 1 The ratio of (2) is 1.6-2.5.
2. The expansion device for the electric sofa iron frame of claim 1, characterized in that,
the length L 1 In the range of 400 to 520 mm.
3. The expansion device for the electric sofa iron frame of claim 1, characterized in that,
the height L 2 In the range of 230 to 250 mm.
4. The expansion device for an electric sofa iron frame of claim 1, further comprising:
the front end of the backrest mounting plate is hinged with the rear end of the seat cushion mounting plate; wherein the method comprises the steps of
The connecting rod assembly further includes: a fifth link;
the connecting plate is also provided with a fourth end part;
the fourth end is hinged with the rear end of the backrest mounting plate through a fifth connecting rod.
5. The expansion device for an electric sofa iron frame of claim 4, further comprising:
a leg rest mounting plate; wherein the method comprises the steps of
In the sitting posture state, the length H between the top end hinge point of the backrest mounting plate and the top end hinge point of the leg rest mounting plate ranges from 700 mm to 1000 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321385221.6U CN220024608U (en) | 2023-06-02 | 2023-06-02 | Expansion device for electric sofa iron frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321385221.6U CN220024608U (en) | 2023-06-02 | 2023-06-02 | Expansion device for electric sofa iron frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220024608U true CN220024608U (en) | 2023-11-17 |
Family
ID=88736280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321385221.6U Active CN220024608U (en) | 2023-06-02 | 2023-06-02 | Expansion device for electric sofa iron frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220024608U (en) |
-
2023
- 2023-06-02 CN CN202321385221.6U patent/CN220024608U/en active Active
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