CN210276569U - Zero-clearance mechanical stretching device - Google Patents
Zero-clearance mechanical stretching device Download PDFInfo
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- CN210276569U CN210276569U CN201821174228.2U CN201821174228U CN210276569U CN 210276569 U CN210276569 U CN 210276569U CN 201821174228 U CN201821174228 U CN 201821174228U CN 210276569 U CN210276569 U CN 210276569U
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Abstract
The utility model discloses a zero-clearance mechanical stretching device, which comprises a stretching bracket, wherein the stretching bracket comprises a seat component, a backrest component, a linkage component and a leg component, the linkage component comprises a linkage piece, a middle connecting piece and a handrail, and the handrail is arranged between the linkage piece and the middle connecting piece; the seat assembly and the backrest assembly are rotatably mounted on the linkage piece, the leg assembly is rotatably mounted on the middle connecting piece, the linkage piece moves to enable the backrest assembly to rotate so as to avoid interference between the backrest assembly and the armrests, and meanwhile, the backrest assembly rotates and moves forwards along with the linkage assembly, so that the sofa is guaranteed to be completely zero against a wall, and the space is saved.
Description
Technical Field
The utility model relates to the field of furniture, especially, relate to a zero clearance mechanical stretching device.
Background
With the improvement of domestic productivity level and the development of social and economic level, the living standard of people is higher and higher, and the requirement on furniture is also higher and higher. Sofas, rocking chairs, seats and the like in furniture are seen everywhere, and some sofas can extend out of a pedal and also can ascend or descend a backrest.
However, the existing sofa with the grounded bracket has the following defects:
the existing sofa with grounded support is unsmooth in the posture conversion process, the posture change speed is low, and more importantly, the existing stretching device is easy to interfere with a sofa backrest component in the stretching process, the interference problem is easy to occur, most sofas can not completely lean against a wall, and the sofa is easy to interfere with the wall in the movement process.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, one of the purposes of the present invention is to provide a zero-clearance mechanical stretching device, which can solve the problem that the handrail is easy to interfere and cannot lean against the wall completely.
The utility model discloses an one of the purpose adopts following technical scheme to realize:
a zero-clearance mechanical stretching device comprises a stretching support, wherein the stretching support comprises a seat assembly, a backrest assembly, a linkage assembly and a leg assembly, the linkage assembly comprises a linkage piece, a middle connecting piece and an armrest, and the armrest is installed between the linkage piece and the middle connecting piece; the seat assembly and the backrest assembly are rotatably mounted on the linkage piece, the leg assembly is rotatably mounted on the middle connecting piece, and the linkage piece moves to enable the backrest assembly to rotate so as to avoid interference between the backrest assembly and the armrests.
Furthermore, the linkage assembly further comprises a swinging piece, and two ends of the swinging piece are respectively connected with the seat assembly and the middle connecting piece in a rotating mode.
Further, the backrest assembly comprises a backrest connecting piece and a rear connecting rod, the backrest connecting piece is rotatably installed on the rear connecting rod, rotatably installed on the linkage piece, and the backrest connecting piece is rotatably installed on the middle connecting piece.
Further, the seat assembly comprises a base, a first connecting rod, a second connecting rod and a fourth connecting rod, wherein two ends of the base are respectively connected with the first connecting rod and the fourth connecting rod in a rotating mode, and the first connecting rod is connected with the second connecting rod in a rotating mode.
Further, the swinging member is rotatably mounted to the first link.
Further, the handrail is circular arc-shaped.
Further, the linkage assembly is located between the back assembly and the leg assembly.
Further, the linkage assembly is located at an upper portion of the seat assembly.
Further, the leg assembly comprises a leg linkage structure and a leg connecting rod, the leg linkage structure is rotatably connected with the leg connecting rod, and the leg connecting rod is rotatably connected with the middle connecting piece.
Further, the zero-clearance mechanical extension device further comprises a backrest part, and the backrest part is fixed on the backrest connecting part.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the armrest is arranged between the linkage piece and the middle connecting piece; the seat assembly and the backrest assembly are rotatably mounted on the linkage piece, the leg assembly is rotatably mounted on the middle connecting piece, the linkage piece moves to enable the backrest assembly to rotate so as to avoid interference between the backrest assembly and the armrests, and meanwhile, the backrest assembly rotates and moves forwards along with the linkage assembly, so that the sofa is guaranteed to be completely zero against a wall, and the space is saved.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a side view of a preferred embodiment of the zero-gap mechanical stretching apparatus of the present invention in a fully stretched state;
FIG. 2 is a side view of the zero-gap mechanical stretcher of FIG. 1 in a retracted state;
FIG. 3 is a side view of the zero-gap mechanical stretcher of FIG. 1 in an expanded state;
FIG. 4 is a partial perspective view of the zero-gap mechanical stretcher of FIG. 1;
FIG. 5 is another partial perspective view of the zero-gap mechanical stretcher of FIG. 1;
fig. 6 is a further partial perspective view of the zero-gap mechanical stretcher of fig. 1.
In the figure: 100. a zero-gap mechanical extension device; 10. a seat assembly; 11. a base; 12. A first link; 13. a second link; 15. a fourth link; 20. a backrest assembly; 21. a backrest connector; 22. a rear connecting rod; 30. a linkage assembly; 31. a linkage member; 32. a middle connecting piece; 33. a handrail; 34. a swinging member; 40. a leg assembly; 41. a leg linkage structure; 42. A leg link; 50. a backrest member.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-6, a zero-gap mechanical extension apparatus 100 includes an extension bracket including a seat assembly 10, a backrest assembly 20, a linkage assembly 30 and a leg assembly 40, the linkage assembly 30 including a linkage 31, a middle connection 32 and an armrest 33, the armrest 33 being mounted between the linkage 31 and the middle connection 32; the seat assembly 10 and the backrest assembly 20 are rotatably mounted on the linkage member 31, the leg assembly 40 is rotatably mounted on the middle connecting member 32, the linkage member 31 moves to rotate the backrest assembly 20 to prevent the backrest assembly 20 and the armrests 33 from interfering, and meanwhile, the backrest assembly 20 rotates and moves forwards along with the linkage assembly 30, so that the sofa is guaranteed to be completely close to the wall, and space is saved.
Preferably, the linkage assembly 30 further includes a swinging member 34, and both ends of the swinging member 34 are respectively rotatably connected to the seat assembly 10 and the middle connecting member 32, so as to increase the stability of the connection.
Preferably, the backrest module 20 includes a backrest connecting member 21 and a rear connecting rod 22, the backrest connecting member 21 is rotatably mounted on the link 31, and the backrest connecting member 21 is rotatably mounted on the middle connecting member 32. The backrest connecting piece 21 is T-shaped, two ends of the T-shaped are respectively connected with the rear connecting rod 22 and the middle connecting piece 32 in a rotating mode, the backrest component 20 is changed, the lying posture angle is reduced, and the head in the lying posture state can be used for watching television.
Preferably, seat subassembly 10 includes base 11, first connecting rod 12, second connecting rod 13 and fourth connecting rod 15, 11 both ends of base respectively with first connecting rod 12 with fourth connecting rod 15 rotates to be connected, first connecting rod 12 with second connecting rod 13 rotates to be connected, swing 34 rotate install in first connecting rod 12, second connecting rod 13 and fourth connecting rod 15 are the quadrangle and distribute, rotate more in a flexible way, and the suitability is strong.
Preferably, the leg assembly 40 includes a leg linkage structure 41 and a leg link 42, the leg linkage structure 41 is rotatably connected to the leg link 42, and the leg link 42 is rotatably connected to the middle connecting member 32.
Preferably, the zero-clearance mechanical stretching device further comprises a backrest 50, the backrest 50 is fixed on the backrest connecting member 21, and the backrest 50 is made of an elastic material, so that the comfort of the sofa is improved.
The armrest 33 is in the shape of a circular arc, the linkage assembly 30 is located between the backrest assembly 20 and the leg assembly 40, and the linkage assembly 30 is located at the upper portion of the seat assembly 10. Novel structure, design benefit, the suitability is strong, the facilitate promotion.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (10)
1. A zero clearance mechanical extension device, includes and extends the support, it includes seat subassembly, back subassembly, linkage subassembly and leg assembly to extend the support, its characterized in that: the linkage assembly comprises a linkage piece, a middle connecting piece and an armrest, and the armrest is arranged between the linkage piece and the middle connecting piece; the seat assembly and the backrest assembly are rotatably mounted on the linkage piece, the leg assembly is rotatably mounted on the middle connecting piece, and the linkage piece moves to enable the backrest assembly to rotate so as to avoid interference between the backrest assembly and the armrests.
2. The zero-gap mechanical extension apparatus of claim 1, wherein: the linkage assembly further comprises a swinging piece, and two ends of the swinging piece are respectively connected with the seat assembly and the middle connecting piece in a rotating mode.
3. The zero-gap mechanical extension apparatus of claim 2, wherein: the backrest assembly comprises a backrest connecting piece and a rear connecting rod, the backrest connecting piece is rotatably installed on the rear connecting rod, rotatably installed on the linkage piece, and the backrest connecting piece is rotatably installed on the middle connecting piece.
4. The zero-gap mechanical extension apparatus of claim 2, wherein: the seat assembly comprises a base, a first connecting rod, a second connecting rod and a fourth connecting rod, wherein two ends of the base are respectively connected with the first connecting rod and the fourth connecting rod in a rotating mode, and the first connecting rod is connected with the second connecting rod in a rotating mode.
5. The zero-gap mechanical extension apparatus of claim 4, wherein: the swinging piece is rotatably mounted on the first connecting rod.
6. The zero-gap mechanical extension apparatus of claim 1, wherein: the handrail is arc-shaped.
7. The zero-gap mechanical extension apparatus of claim 1, wherein: the linkage assembly is located between the back assembly and the leg assembly.
8. The zero-gap mechanical extension apparatus of claim 1, wherein: the linkage assembly is located at the upper portion of the seat assembly.
9. The zero-gap mechanical extension apparatus of claim 1, wherein: the leg component comprises a leg linkage structure and a leg connecting rod, the leg linkage structure is rotatably connected with the leg connecting rod, and the leg connecting rod is rotatably connected with the middle connecting piece.
10. The zero-gap mechanical extension apparatus of claim 3, wherein: the zero-clearance mechanical extension device further comprises a backrest piece, and the backrest piece is fixed on the backrest connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821174228.2U CN210276569U (en) | 2018-07-24 | 2018-07-24 | Zero-clearance mechanical stretching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821174228.2U CN210276569U (en) | 2018-07-24 | 2018-07-24 | Zero-clearance mechanical stretching device |
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| Publication Number | Publication Date |
|---|---|
| CN210276569U true CN210276569U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821174228.2U Active CN210276569U (en) | 2018-07-24 | 2018-07-24 | Zero-clearance mechanical stretching device |
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| Country | Link |
|---|---|
| CN (1) | CN210276569U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113116072A (en) * | 2021-05-31 | 2021-07-16 | 锐迈机械科技（吴江）有限公司 | Seat support and seat unit for zero backrest clearance |
| CN113287892A (en) * | 2021-05-31 | 2021-08-24 | 锐迈机械科技（吴江）有限公司 | Seat unit with zero backrest clearance |
| CN114224115A (en) * | 2021-11-02 | 2022-03-25 | 东莞市科肯机电科技有限公司 | Mechanical stretching device of complete zero-wall-leaning functional sofa |
-
2018
- 2018-07-24 CN CN201821174228.2U patent/CN210276569U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113116072A (en) * | 2021-05-31 | 2021-07-16 | 锐迈机械科技（吴江）有限公司 | Seat support and seat unit for zero backrest clearance |
| CN113287892A (en) * | 2021-05-31 | 2021-08-24 | 锐迈机械科技（吴江）有限公司 | Seat unit with zero backrest clearance |
| CN113287892B (en) * | 2021-05-31 | 2023-02-28 | 锐迈科技股份有限公司 | Seat unit with zero backrest clearance |
| CN113116072B (en) * | 2021-05-31 | 2023-11-24 | 锐迈科技股份有限公司 | Seat support and seat unit for zero back clearance |
| CN114224115A (en) * | 2021-11-02 | 2022-03-25 | 东莞市科肯机电科技有限公司 | Mechanical stretching device of complete zero-wall-leaning functional sofa |
| CN114224115B (en) * | 2021-11-02 | 2023-11-03 | 东莞市科肯机电科技有限公司 | Mechanical stretching device of sofa with complete zero wall function |
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