CN220212407U - Seat stretching device for providing zero gravity posture - Google Patents
Seat stretching device for providing zero gravity posture Download PDFInfo
- Publication number
- CN220212407U CN220212407U CN202321612463.4U CN202321612463U CN220212407U CN 220212407 U CN220212407 U CN 220212407U CN 202321612463 U CN202321612463 U CN 202321612463U CN 220212407 U CN220212407 U CN 220212407U
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- linkage
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- 230000005484 gravity Effects 0.000 title claims abstract description 36
- 210000003127 knee Anatomy 0.000 abstract description 5
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 210000002414 leg Anatomy 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model is applicable to the technical field of sofas, and provides a seat stretching device for providing a zero gravity posture, which comprises: a support structure; the foot supporting structure comprises a big foot supporting plate, a small foot supporting plate and a first connecting rod assembly; the seat structure comprises a side plate, wherein a seat frame mounting surface is arranged on the side plate; a backrest member; when the seat stretching device is in a zero gravity posture, the included angle beta between the seat frame mounting surface and the ground is 28-50 degrees; when the included angle beta between the seat frame mounting surface and the ground is 30 degrees, the backrest angle alpha formed between the backrest piece and the ground is 21 degrees; the vertical distance H between the highest point of the large footrest and the highest point of the backrest is 380mm. The utility model can ensure that the knees and the heart are approximately on the same horizontal plane after the user lies down, increase the stress area of the human body, ensure that all parts of the human body are uniformly stressed, ensure that the user feels in the sky, like floating, and have no sense of compression; and the device is more cost-effective.
Description
Technical Field
The utility model belongs to the technical field of sofas, and particularly relates to a seat stretching device for providing a zero gravity posture.
Background
With the improvement of living standard of people, functional sofas and seats are more and more common in life. With the wide application of functional sofas, the comfort requirement for sofa seats is also increasing. Functional seats are typically provided with seat extension means to allow the seat to be adjusted between sitting, resting and lying positions.
The existing seat extension devices have the following drawbacks: the legs are lower in height when in a lying position, so that the same horizontal line between the knees and heart parts cannot be realized, the zero gravity posture is realized, and the comfort of the seat is affected; the existing seats for providing the zero gravity posture need to lengthen the legs to realize the zero gravity posture, thereby increasing the cost. To this end, a seat extension device is proposed that provides a zero gravity attitude.
Disclosure of Invention
The present utility model is directed to a seat extension device providing a zero gravity posture, and aims to solve the above-mentioned problems in the prior art.
Embodiments of the present utility model are thus achieved, a seat extension device providing a zero gravity attitude, comprising:
a support structure;
the foot supporting structure comprises a big foot supporting plate, a small foot supporting plate and a first connecting rod assembly, and is connected with the seat structure through the first connecting rod assembly;
the seat structure is connected with the supporting structure and the backrest piece through a connecting structure, and the connecting structure comprises a linkage assembly and a connecting rod assembly II; the seat structure comprises a side plate, wherein a seat frame mounting surface for mounting a seat frame is arranged on the side plate;
the backrest piece is hinged with the side plate;
when the seat stretching device is in a zero gravity posture, the included angle beta between the seat frame mounting surface and the ground is 28-50 degrees; when the included angle beta between the seat frame mounting surface and the ground is 30 degrees, the backrest angle alpha formed between the backrest piece and the ground is 21 degrees; the vertical distance H between the highest point of the large footrest and the highest point of the backrest is 380mm.
Further, the support structure comprises a front support, a rear support and a foot, wherein the front support and the rear support are hinged with the foot.
Further, the first connecting rod assembly comprises a foot rod six, the big foot rest is hinged to the foot rod six, the foot rod six is hinged to a foot rod five, the foot rod five is hinged to one ends of the foot rod one and the foot rod two, the foot rod one and the foot rod two are both hinged to the small foot rest, one end of the foot rod three is hinged to the other end of the foot rod one, the foot rod three is hinged to the foot rod two, and one end of the foot rod four is hinged to the foot rod two.
Further, the other ends of the foot rods III and IV are hinged on the side plates, and a backrest part and a seat frame installation protection part are hinged on the side plates.
Further, the connecting rod assembly II comprises a connecting rod I, a connecting rod II, a connecting rod III, a connecting rod IV, a connecting rod V and a connecting rod VI, wherein the connecting rod I is hinged with the backrest part, one ends of the connecting rod V and the connecting rod VI are hinged with the foot rod IV, one end of a rotating part is hinged on the connecting rod VI, the rotating part is connected with the driver, one end of the connecting rod II is hinged on the connecting rod V, a sliding groove part is hinged on the other end of the connecting rod II, and the sliding groove part is hinged with the side plate.
Further, the linkage assembly comprises a linkage piece, a front linkage and a rear linkage, wherein the linkage piece, the front linkage and the rear linkage are all hinged with the side plates, the linkage piece is hinged with the chute piece, a rear support, a connecting rod IV and a connecting rod I are hinged on the linkage piece, a connecting rod V and a connecting rod III are hinged on the rear linkage, and a connecting rod IV and a front support are hinged on the front linkage.
Further, a chute bushing is riveted in the chute member.
Compared with the prior art, the utility model has the beneficial effects that:
the seat stretching device with the zero gravity posture can enable the seat to be in the zero gravity posture, at the moment, the included angle between the seat and the ground can be 28-50 degrees, the knees and the heart of a user can be approximately positioned on the same horizontal plane after lying down, the stress area of the human body is increased, all parts of the body are uniformly stressed, the user feels in the sky like floating, and no sense of compression exists; and the device does not realize zero gravity gesture through the mode of extension shank, saves more cost.
Drawings
Fig. 1 is a schematic view of the seat extension device providing a zero gravity position when the leg rest is fully extended and the backrest is fully reclined.
Fig. 2 is a schematic rear view of fig. 1.
Fig. 3 is a schematic view of the seat extension device providing a zero gravity posture when the leg rest is fully extended.
Fig. 4 is a schematic rear view of fig. 3.
Fig. 5 is a schematic view of the seat extension device providing a zero gravity position when the leg rest is collapsed.
Fig. 6 is a schematic rear view of fig. 5.
In the figure: 1-a large footrest; 2-foot bar one; 3-a second foot bar; 4-foot bar III; 5-foot bar IV; 6-foot bar five; 7-a foot bar six; 8-small footrest; 9-side plates; 9 a-a seat frame mounting surface; 10-mounting a protective piece on the seat frame; 11-a backrest part; 12-a first connecting rod; 13-a second connecting rod; 14-a connecting rod III; 15-front linkage; 16-a connecting rod five; 17-a connecting rod six; 18-a rotating member; 19-front support; 20-rear support; 21-footing; 22-a chute member; 23-linkage; 24-back linkage; 25-connecting rod IV; 26-chute bushing.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
As shown in fig. 1 to 3, a seat extension device for providing a zero gravity posture according to an embodiment of the present utility model includes:
a support structure;
the foot supporting structure comprises a big footrest 1, a small footrest 8 and a first connecting rod assembly, and is connected with the seat structure through the first connecting rod assembly;
the seat structure is connected with the supporting structure and the backrest piece 11 through a connecting structure, and the connecting structure comprises a linkage assembly and a connecting rod assembly II; the seat structure comprises a side plate 9, wherein a seat frame mounting surface 9a for mounting a seat frame is arranged on the side plate 9;
a backrest 11, said backrest 11 being hinged to the side panels 9;
when the seat stretching device is in a zero gravity posture, the included angle beta between the seat frame mounting surface 9a and the ground is 28-50 degrees; when the included angle beta between the seat frame mounting surface 9a and the ground is 30 degrees, the backrest angle alpha formed between the backrest piece 11 and the ground is 21 degrees; the vertical distance H between the highest point of the large footrest 1 and the highest point of the back rest 11 is 380mm.
In the embodiment of the utility model, preferably, when the seat is in the zero gravity posture, the knees and the heart are approximately in the same horizontal plane after the user lies down, the stress area of the human body is increased, all parts of the body are uniformly stressed, and the user feels in the sky like floating without pressing.
As shown in fig. 1, the support structure includes a front support 19, a rear support 20, and a foot 21 as a preferred embodiment of the present utility model, and the front support 19 and the rear support 20 are each hinged to the foot 21.
As shown in fig. 1, as a preferred embodiment of the present utility model, the first link assembly includes a foot bar six 7, the large footrest 1 is hinged to the foot bar six 7, a foot bar five 6 is hinged to the foot bar six 7, one ends of a foot bar one 2 and a foot bar two 3 are hinged to the foot bar five 6, the foot bar one 2 and the foot bar two 3 are both hinged to the small footrest 8, one end of a foot bar three 4 is hinged to the other end of the foot bar one 2, the foot bar three 4 is hinged to the foot bar two 3, and one end of a foot bar four 5 is hinged to the foot bar two 3.
As shown in fig. 1, as a preferred embodiment of the present utility model, the side plate 9 is hinged with the other ends of the foot bars three 4 and four 5, and the side plate 9 is hinged with a backrest 11 and a seat frame mounting guard 10.
As shown in fig. 1, as a preferred embodiment of the present utility model, the second link assembly includes a first link 12, a second link 13, a third link 14, a fourth link 25, a fifth link 16 and a sixth link 17, where the first link 12 is hinged to the backrest member 11, one ends of the fifth link 16 and the sixth link 17 are hinged to the foot bar four 5, one end of the rotating member 18 is hinged to the sixth link 17, the rotating member 18 is connected to the driver, one end of the second link 13 is hinged to the fifth link 16, the other end of the second link 13 is hinged to the sliding groove member 22, and the sliding groove member 22 is hinged to the side plate 9.
In the embodiment of the utility model, preferably, the included angle between the side plate mounting surface 9a and the ground can reach 28 degrees to 50 degrees, so that the second connecting rod 13 is added for ensuring the stability of the seat stretching device.
As shown in fig. 1, as a preferred embodiment of the present utility model, the linkage assembly includes a linkage member 23, a front linkage 15 and a rear linkage 24, wherein the linkage member 23, the front linkage 15 and the rear linkage 24 are hinged to the side plate 9, the linkage member 23 is hinged to the sliding groove member 22, the linkage member 23 is hinged to a rear support 20, a fourth link 25 and a first link 12, the rear linkage 24 is hinged to a fifth link 16 and a third link 14, and the front linkage 15 is hinged to a fourth link 25 and a front support 19.
As shown in fig. 1, the chute member 22 is riveted with a chute bushing 26 as a preferred embodiment of the utility model.
In the embodiment of the utility model, preferably, the included angle between the side plate mounting surface 9a and the ground can reach 28 degrees to 50 degrees, so that in order to ensure the stability of the seat stretching device, the chute piece 22 is added, a metal chute liner 26 is riveted in the chute piece 22, the chute liner 26 can rotate, and when the iron frame is opened and closed, the chute liner 26 can roll in the chute piece 22, so that the iron frame is opened and closed more smoothly and stably.
As shown in fig. 3 and 4, when the leg rest is completely opened and the leg rest is opened to the zero gravity posture, the front linkage 15 is hinged with the front support 19, the front support 19 is hinged with the rear support 20, and the front support 19 is connected with the rear support 20 and the foot 21 due to the fact that the linkage piece 23 and the front linkage 15 are both hinged with the side plate 9, and the connecting rod four 25 is connected between the front linkage 15 and the linkage piece 23. The extension device transitions from a rest position to a zero gravity position (see fig. 1 and 2) when the members are rotated. The bezel mounting surface 9a may be at an angle β of 28 ° -50 °, in some embodiments 28 °, 29 °, 30 °, 32 °, 34 °, 36 °, 38 °, 40 °, 42 °, 44 °, 46 °, 48 °, 50 °, with the ground when the seat extension device is in the zero gravity position. In the zero gravity position, the back angle α is 21 °, and in some embodiments may be 21 °, 22.5 °, and 24 °. For example, when the seat frame mounting surface 9a makes an angle of 30 ° with the ground, the angle between the back rest 11 and the ground is 21 °. When the seat extension device is in a zero gravity position, the vertical distance H between the highest point of the large footrest 1 and the highest point of the backrest 11 is 380mm. And in some embodiments may be 340mm, 360mm and 380mm. For example, in this embodiment, the highest point of the large footrest 1 is 650mm from the ground and the highest point of the back rest 11 is 270mm from the ground when the seat extension device is in the zero gravity position. The difference in height of the two parts can reach 380mm. When the seat is in the zero gravity posture, the knees and the heart are approximately in the same horizontal plane after the user lies down, the stress area of the human body is increased, all parts of the human body are uniformly stressed, and the user feels in the sky like floating without pressing.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and improvements can be made by those skilled in the art without departing from the spirit of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent.
Claims (7)
1. A seat extension device providing a zero gravity posture, comprising:
a support structure;
the foot supporting structure comprises a big foot supporting plate, a small foot supporting plate and a first connecting rod assembly, and is connected with the seat structure through the first connecting rod assembly;
the seat structure is connected with the supporting structure and the backrest piece through a connecting structure, and the connecting structure comprises a linkage assembly and a connecting rod assembly II; the seat structure comprises a side plate, wherein a seat frame mounting surface for mounting a seat frame is arranged on the side plate;
the backrest piece is hinged with the side plate;
when the seat stretching device is in a zero gravity posture, the included angle beta between the seat frame mounting surface and the ground is 28-50 degrees; when the included angle beta between the seat frame mounting surface and the ground is 30 degrees, the backrest angle alpha formed between the backrest piece and the ground is 21 degrees; the vertical distance H between the highest point of the large footrest and the highest point of the backrest is 380mm.
2. The seat extension device providing a zero gravity posture of claim 1 wherein the support structure comprises a front support, a rear support and a foot, the front support and rear support each being hinged to the foot.
3. The seat extension device for providing a zero gravity posture of claim 2, wherein the first link assembly comprises a foot bar six, the large footrest is hinged to the foot bar six, the foot bar five is hinged to the foot bar six, one ends of the foot bar first and the foot bar second are hinged to the foot bar five, the foot bar first and the foot bar second are both hinged to the small footrest, one end of the foot bar third is hinged to the other end of the foot bar first, the foot bar third is hinged to the foot bar second, and one end of the foot bar fourth is hinged to the foot bar second.
4. A seat extension device providing a zero gravity posture as claimed in claim 3 wherein the side plate is hinged with the other ends of the third and fourth foot bars and the side plate is hinged with a back rest and a seat frame mounting guard.
5. A seat extension apparatus for providing a zero gravity posture according to claim 3, wherein the second link assembly comprises a first link, a second link, a third link, a fourth link, a fifth link and a sixth link, wherein the first link is hinged to the backrest member, one ends of the fifth link and the sixth link are hinged to the foot bar, one end of the rotating member is hinged to the sixth link, the rotating member is connected to the driver, one end of the second link is hinged to the fifth link, the other end of the second link is hinged to the slide member, and the slide member is hinged to the side plate.
6. The seat extension device providing a zero gravity posture of claim 5, wherein the linkage assembly comprises a linkage member, a front linkage and a rear linkage, wherein the linkage member, the front linkage and the rear linkage are all hinged to the side plates, the linkage member is hinged to the chute member, a rear support, a fourth link and a first link are hinged to the linkage member, a fifth link and a third link are hinged to the rear linkage, and a fourth link and a front support are hinged to the front linkage.
7. The seat extension device providing zero gravity attitude of claim 5 wherein the chute member has a chute bushing riveted therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321612463.4U CN220212407U (en) | 2023-06-25 | 2023-06-25 | Seat stretching device for providing zero gravity posture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321612463.4U CN220212407U (en) | 2023-06-25 | 2023-06-25 | Seat stretching device for providing zero gravity posture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220212407U true CN220212407U (en) | 2023-12-22 |
Family
ID=89182753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321612463.4U Active CN220212407U (en) | 2023-06-25 | 2023-06-25 | Seat stretching device for providing zero gravity posture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220212407U (en) |
-
2023
- 2023-06-25 CN CN202321612463.4U patent/CN220212407U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |