CN109924750B - Sofa stretching bracket and stretching device - Google Patents
Sofa stretching bracket and stretching device Download PDFInfo
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- CN109924750B CN109924750B CN201910165676.9A CN201910165676A CN109924750B CN 109924750 B CN109924750 B CN 109924750B CN 201910165676 A CN201910165676 A CN 201910165676A CN 109924750 B CN109924750 B CN 109924750B
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- 230000007246 mechanism Effects 0.000 claims abstract description 98
- 238000005452 bending Methods 0.000 claims description 5
- 210000002414 leg Anatomy 0.000 description 29
- 230000007547 defect Effects 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 210000000689 upper leg Anatomy 0.000 description 2
- 206010050031 Muscle strain Diseases 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
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Abstract
The invention discloses a sofa stretching bracket and a stretching device, which comprise leg stretching mechanisms arranged on a seat frame mounting plate, wherein each leg stretching mechanism comprises a connecting rod mechanism, an extending mechanism, a first foot rest and a second foot rest, the connecting rod mechanism is used for driving the extending mechanism and the first foot rest to stretch or shrink, and the extending mechanism is used for driving the second foot rest to stretch or shrink, so that when the first foot rest and the second foot rest shrink to the limit positions, the front end face of the first foot rest and the front end face of the second foot rest form a certain included angle. The stretching device comprises a driving mechanism, a base and two stretching brackets. The invention increases the foot rest area of the couch, improves the comfort level of use, increases the distance from the foot rest to the ground in the movement and avoids rubbing the ground.
Description
Technical Field
The invention relates to the technical field of mechanical stretching structures of functional furniture, in particular to a sofa stretching bracket and a stretching device.
Background
Functional sofas have been developed rapidly in the chinese sofa market in recent years, and more people choose a multifunctional sofa with good comfort when buying furniture. As the first choice sofa seat when leisure, if the design is unreasonable, not only the effects of relaxing and relieving fatigue are not achieved, but also various diseases such as lumbar muscle strain, accumulated wound diseases and the like are caused.
Compared with the traditional sofa, the functional sofa has greater superiority. Can realize the stable transformation from sitting posture to lying posture, and meets the requirements of sitting, leisure, sleeping and the like. The back has good support to the back when sitting, the seat height is proper, the thighs and the lower legs are ensured to be basically vertical, and the feet are horizontally placed on the ground, so that the muscles at the bottom of the thighs can be relaxed. In the leisure position, the backrest is not moved or slightly falls down. The leg rest mechanism is slowly opened to support the legs of the person and relax the muscles of the lower legs. When lying, the backrest moves backwards, the human body lies on the sofa, the spine is thoroughly relaxed, the footrest can reach a horizontal position, the legs are supported, and the fatigue of the legs is relieved.
In order to meet the functional requirements and the use comfort of users, a mechanical stretching device which has larger footrest area and stable movement in posture transformation and avoids the conditions of abrupt speed change, tremble, inclination, jamming and the like is necessary.
Disclosure of Invention
The technical problem to be solved by the embodiment of the invention is to solve the problem that the footrest of the existing functional sofa mechanical stretching device is small in size and easy to wipe the ground in the stretching process.
In order to solve the technical problems, the invention provides a sofa stretching bracket, which aims at the defects and the defects of the prior art and comprises a leg stretching mechanism arranged on a seat frame mounting plate, wherein the leg stretching mechanism comprises a connecting rod mechanism, an extending mechanism, a first foot rest and a second foot rest, the connecting rod mechanism is used for driving the extending mechanism and the first foot rest to stretch or shrink, and the extending mechanism is used for driving the second foot rest to stretch or shrink so that when the first foot rest and the second foot rest shrink to a limiting position, a certain included angle is formed between the front end face of the first foot rest and the front end face of the second foot rest.
Further, the extending mechanism comprises a V-shaped guide rod, a first linkage rod and a second linkage rod which are arranged in a staggered mode, two ends of the first linkage rod are located at two sides of the second linkage rod respectively, one end of the first linkage rod is connected with the first linkage rod, the other end of the first linkage rod is connected with the V-shaped guide rod, one end of the second linkage rod is connected with the first foot rest, the other end of the second linkage rod is connected with the second foot rest, and the second linkage rod, the second foot rest, the V-shaped guide rod and the first foot rest form a plane four-rod mechanism.
Further, when the leg stretching mechanism is contracted to the limit position, an included angle between the front end face of the first foot rest and the front end face of the second foot rest is 20-70 degrees.
Further, the extending mechanism is further provided with a limiting piece, the limiting piece is arranged on the first foot rest, and when the leg extending mechanism extends to the lying position, the limiting piece is abutted to the second linkage rod.
Further, a first footrest is arranged on the first foot rest, and a second footrest is arranged on the second foot rest.
Further, the first footrest and the second footrest are parallel when the leg extension mechanism is extended to the recumbent position.
Further, a connecting hole is formed in the bent part of the V-shaped guide rod, and the first linkage rod is connected with the V-shaped guide rod through a pin and the connecting hole.
Further, the bending angle of the V-shaped guide rod is 110-145 degrees.
Further, the first linkage rod and the second linkage rod are hook-shaped.
Further, the first foot rest is of an inverted triangle structure.
Further, the link mechanism comprises a first rocker, a second rocker, a first link and a second link;
One end of the first rocker is connected with the seat frame mounting plate, the other end of the first rocker is connected with the first connecting rod, one end of the second rocker is connected with the seat frame mounting plate, the other end of the second rocker is connected with the second connecting rod, the first rocker and the second connecting rod are arranged in a crossing manner through a limiting pin, and the seat frame mounting plate, the first rocker, the second rocker and the second connecting rod form a plane four-bar mechanism;
One end of the first connecting rod is connected with the first rocker, the other end of the first connecting rod is connected with the first linkage rod, one end of the second connecting rod is connected with the second rocker, the other end of the second connecting rod is connected with the first foot rest, and the first rocker, the first connecting rod, the second connecting rod and the first foot rest form a plane four-bar mechanism.
Further, when the leg stretching mechanism stretches to the lying position, a distance between the second footrest and the front end of the seat frame mounting plate is 39cm or more.
The invention also provides a sofa stretching device, which comprises a driving mechanism, a base and two stretching brackets, wherein the driving mechanism is arranged on the base, and the two stretching brackets are symmetrically arranged on the side surface of the base through a seat frame mounting plate.
Further, the driving mechanism comprises a driving piece, a push rod and a driving connecting rod, one end of the driving piece is fixed in the middle of the base, the other end of the driving piece is connected with the push rod, and the push rod is connected with the driving connecting rod.
Further, two ends of the driving connecting rod are provided with connecting pieces, one end of each connecting piece is connected with the driving connecting rod, and the other end of each connecting piece is connected with the second remote rod. The embodiment of the invention has the following beneficial effects:
(1) The leg stretching mechanism is provided with the stretching mechanism, and the second foot rest is added, so that the size of the whole foot rest part is increased when the sofa is switched to the lying position, the foot rest area is increased, and the use comfort of the sofa is improved.
(2) The invention is provided with the extension mechanism, so that the front end surfaces of the first foot rest and the second foot rest form a certain angle when the leg extension bracket is contracted to the limit position, the design of the angle enables the ground clearance between the second foot rest and the second foot rest to be increased when the second foot rest and the second foot rest are in telescopic movement, the phenomenon of rubbing the ground is avoided, and the movement stability is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a sofa extension frame of the present invention;
FIG. 2 is a schematic view of the leg extension mechanism of the present invention in a contracted configuration;
FIG. 3 is a schematic elevational view of the leg extension mechanism of the present invention;
FIG. 4 is a schematic view of the rear structure of the leg extension mechanism of the present invention;
FIG. 5 is a schematic view of the structure of the extension mechanism of the present invention;
fig. 6 is a schematic structural view of a sofa stretching device according to the present invention.
Wherein, the reference numerals are as follows: 10-seat frame mounting plate, 20-backrest component, 30-linkage mechanism, 400-leg extension mechanism, 410-linkage mechanism, 411-first rocker, 412-first link, 413-second rocker, 414-second link, 415-first foot rest, 416-first foot rest, 417-first mounting tab, 418-limit pin, 420-extension mechanism, 421-first linkage lever, 422-second linkage lever, 423-V-shaped guide bar, 424-second foot rest, 425-second foot rest, 426-limit piece, 427-second mounting tab, 50-drive mechanism, 51-drive piece, 52-push rod, 53-drive link, 54-linkage tab, 60-base, 100-extension bracket.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the invention. In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may include one or more of the feature, either explicitly or implicitly. Moreover, the terms "first," "second," and the like, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein.
Example 1:
as shown in fig. 1 to 5, the present invention provides a sofa stretching bracket, comprising a backrest assembly 20, a linkage mechanism 30 and a leg stretching mechanism 400, which are arranged on a seat frame mounting plate 10, wherein one end of the linkage mechanism 30 is connected with the backrest assembly 20, and the other end is connected with the leg stretching mechanism 400;
the leg extension mechanism 400 includes a link mechanism 410, an extension mechanism 420, a first foot rest 415 and a second foot rest 424, wherein the link mechanism 410 is used for driving the extension mechanism 420 and the first foot rest 415 to extend or retract, and the extension mechanism 420 is used for driving the second foot rest 424 to extend or retract, so that when the first foot rest 415 and the second foot rest 424 retract to a limit position, a certain included angle is formed between the front end surface of the first foot rest 415 and the front end surface of the second foot rest 424.
Specifically, the extending mechanism 420 includes a V-shaped guide rod 423, a first linkage rod 421 and a second linkage rod 422 that are staggered, two ends of the first linkage rod 421 are respectively located at two sides of the second linkage rod 422, one end of the first linkage rod 421 is connected with the first link rod 412, the other end of the first linkage rod 421 is connected with the V-shaped guide rod 423, one end of the second linkage rod 422 is connected with the first foot rest 415, the other end of the second linkage rod 422 is connected with the second foot rest 424, and the second linkage rod 422, the second foot rest 424, the V-shaped guide rod 423 and the first foot rest 415 form a planar four-bar mechanism.
Specifically, the first foot rest 415 is provided with a first foot rest 416, and the second foot rest 424 is provided with a second foot rest 425.
Specifically, when the leg extension mechanism 400 is retracted to the limit position, the angle between the front end surface of the first foot rest 415 and the front end surface of the second foot rest 424 is 20 °, so that the second foot rest 425 does not touch the ground during extension and retraction.
Specifically, the first foot rest 415 is provided with a first mounting piece 417, the first mounting piece 417 is fixedly connected with the first footrest 416, the second foot rest 424 is provided with a second mounting piece 427, and the second mounting piece is fixedly connected with the second footrest 425. The first mounting piece 417 and the second mounting piece 427 are provided with mounting holes for mounting. The first foot rest 415 is bent and integrally formed with or welded to the first mounting plate 417, and the second foot rest 424 is bent and integrally formed with or welded to the second mounting plate 427. In some embodiments, the front end surface of the first shelf 415 forms an angle with the front end surface of the second shelf 424, i.e., the first mounting tab 417 forms an angle with the second mounting tab 427.
Specifically, when the leg stretching mechanism 400 is stretched to the lying position, the first foot rest 415 is parallel to the front end surface of the second foot rest 424.
Specifically, the extending mechanism 420 is further provided with a limiting member 426, the limiting member 426 is disposed on the first foot rest 415, and when the leg extending mechanism 400 extends to the lying position, the limiting member 426 abuts against the second linkage 422. The limiting member 426 is used to limit the position of the second footrest 425 of the leg extension mechanism when extended to the recumbent position, ensuring a self-locking function of the couch in the recumbent position.
Specifically, the bending part of the V-shaped guide rod 423 is provided with a connection hole, and the first linking rod 421 is rotatably connected with the V-shaped guide rod 423 at the bending part of the V-shaped guide rod 423 through a pin and the connection hole.
Specifically, the angle of bending the V-shaped guide rod 423 is 110 ° to 145 °.
Specifically, the first foot rest 415 has an inverted triangle structure. The first footrest 416 is mounted on the hypotenuse of the first foot rest 415, which can increase the footrest area.
Specifically, one end of the link mechanism 410 is connected to the front end of the seat frame mounting plate 10, and the other end is connected to the extension mechanism 420, and the link mechanism 410 includes a first rocker 411, a second rocker 413, a first link 412, and a second link 414; one end of the first rocker 411 is connected with the seat frame mounting plate 10, the other end of the first rocker 411 is connected with the first connecting rod 412, one end of the second rocker 413 is connected with the seat frame mounting plate 10, the other end of the second rocker 413 is connected with the second connecting rod 414, the first rocker 411 and the second connecting rod 414 are arranged in a crossing manner through a limiting pin 418, and the seat frame mounting plate 10, the first rocker 411, the second rocker 413 and the second connecting rod 414 form a plane four-bar mechanism;
Specifically, one end of the first link 412 is connected to the first rocker 411, the other end of the first link 412 is connected to the first link 421, one end of the second link 414 is connected to the second rocker 413, the other end of the second link 414 is connected to the first foot rest 415, and the first rocker 411, the first link 412, the second link 414 and the first foot rest 415 form a planar four-bar mechanism.
Specifically, when the leg stretching mechanism 400 is stretched to the lying position, the distance between the second footrest 425 and the front end of the seat frame mounting plate 10 is 39cm or more. In order to better support and relax the legs, in practical application, the length of the front end of the leg extension mechanism extended rear seat frame mounting plate 10 from the front end surface of the second footrest 425 is more than 39cm, with reference to the size of the adult and the standard of the related sofa seat.
As shown in fig. 6, the present invention provides a sofa stretching device, which comprises a driving mechanism 50, a base 60 and two stretching brackets 100, wherein the driving mechanism 50 is arranged on the base 60, and each stretching bracket 100 is arranged on the side surface of the base 60 through a seat frame mounting plate 10. The base 60 is a fixed cross bar, and the driving mechanism is fixed at the middle position of the base. The two extension brackets 100 are respectively installed at both ends of the base and symmetrically disposed at both sides thereof.
Specifically, the driving mechanism 50 includes a driving member 51, a push rod 52, and a driving link 53, one end of the driving member 51 is fixed in the middle of the base 60, the other end is connected with the push rod 52, and the push rod 52 is connected with the driving link 53. The driving mechanism is an electric push rod mechanism, wherein the driving piece is a driving motor and a reduction gear mechanism connected with the driving motor. In some embodiments, the push rod 52 may also be a slider rail.
Specifically, two ends of the driving link 53 are provided with a linkage piece 54, and one end of each linkage piece 54 is connected to the driving link 53, and the other end is connected to the second remote rod 413.
According to the mechanical stretching device, the driving mechanism drives the driving connecting rod 53 to move through the movement of the push rod 52, the linkage piece 54 connected with the driving connecting rod 53 starts to rotate, the two-plane four-bar mechanism formed in the connecting rod mechanism 410 is driven to stretch or shrink, the first connecting rod 421 is driven to rotate through the first connecting rod 412, and therefore stretching of the extending mechanism 420 and the second footrest 425 is achieved, the second footrest is gradually arranged in the movement path of the first footrest, meanwhile, the design of the V-shaped guide rod 423 and the hook-shaped linkage rod ensures the ground clearance when the second footrest 425 moves, the ground touching in stretching movement is avoided, and the movement stability is improved.
Example 2:
Example 2 differs from example 1 in that: when the leg extension mechanism 400 is retracted to the limit position, the angle between the front end surfaces of the first foot rest 415 and the second foot rest 424 is 45 °, so that the second foot rest 425 does not touch the ground during extension and retraction.
Example 3:
Example 3 differs from example 2 in that: when the leg extension mechanism 400 is retracted to the limit position, the angle between the front end surfaces of the first foot rest 415 and the second foot rest 424 is 70 °, so that the second foot rest 425 does not touch the ground during extension and retraction.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.
Claims (12)
1. The sofa stretching bracket is characterized by comprising a leg stretching mechanism (400) arranged on a seat frame mounting plate (10), wherein the leg stretching mechanism (400) comprises a connecting rod mechanism (410), an extending mechanism (420), a first foot rest (415) and a second foot rest (424), the connecting rod mechanism (410) is used for driving the extending mechanism (420) and the first foot rest (415) to stretch or shrink, and the extending mechanism (420) is used for driving the second foot rest (424) to stretch or shrink so that when the first foot rest (415) and the second foot rest (424) shrink to limit positions, a certain included angle is formed between the front end face of the first foot rest (415) and the front end face of the second foot rest (424);
The extending mechanism (420) comprises a V-shaped guide rod (423), first linkage rods (421) and second linkage rods (422) which are arranged in a staggered mode, two ends of the first linkage rods (421) are respectively located at two sides of the second linkage rods (422), one end of each first linkage rod (421) is connected with a first connecting rod (412), the other end of each first linkage rod (421) is connected with the V-shaped guide rod (423), one end of each second linkage rod (422) is connected with a first foot rest (415), the other end of each second linkage rod (422) is connected with a second foot rest (424), and the second linkage rods (422), the second foot rest (424), the V-shaped guide rods (423) and the first foot rest (415) form a plane four-bar mechanism;
The link mechanism (410) comprises a first rocker (411), a second rocker (413), a first link (412) and a second link (414);
One end of the first rocker (411) is connected with the seat frame mounting plate (10), the other end of the first rocker (411) is connected with the first connecting rod (412), one end of the second rocker (413) is connected with the seat frame mounting plate (10), the other end of the second rocker (413) is connected with the second connecting rod (414), the first rocker (411) and the second connecting rod (414) are arranged in a crossing manner through a limiting pin (418), and the seat frame mounting plate (10), the first rocker (411), the second rocker (413) and the second connecting rod (414) form a plane four-bar mechanism;
One end of the first connecting rod (412) is connected with the first rocker (411), the other end of the first connecting rod (412) is connected with the first linkage rod (421), one end of the second connecting rod (414) is connected with the second rocker (413), the other end of the second connecting rod (414) is connected with the first foot rest (415), and the first rocker (411), the first connecting rod (412), the second connecting rod (414) and the first foot rest (415) form a plane four-bar mechanism;
the extension mechanism (420) is further provided with a limiting piece (426), the limiting piece (426) is arranged on the first foot rest (415), and when the leg extension mechanism (400) extends to a lying position, the limiting piece (426) is in interference with the second linkage rod (422).
2. The sofa extension bracket according to claim 1, wherein when the leg extension mechanism (400) is retracted to the limit position, the angle between the front end surface of the first foot rest (415) and the front end surface of the second foot rest (424) is 20 ° to 70 °.
3. The sofa extension bracket according to claim 1, characterized in that the first foot rest (415) is provided with a first footrest (416) and the second foot rest (424) is provided with a second footrest (425).
4. A sofa extension bracket according to claim 3, characterized in that the first footrest (416) and the second footrest (425) are parallel when the leg extension mechanism (400) is extended to the lying position.
5. The sofa stretching bracket according to claim 1, wherein the bending part of the V-shaped guide rod (423) is provided with a connecting hole, and the first linkage rod (421) is connected with the V-shaped guide rod (423) through a pin and the connecting hole.
6. The sofa stretching bracket according to claim 5, characterized in that the V-shaped guide bar (423) is bent at an angle of 110-145 °.
7. The sofa extension bracket according to claim 1, wherein the first linkage bar (421) and the second linkage bar (422) are hook-shaped.
8. The sofa extension bracket according to claim 1, characterized in that said first foot rest (415) is of inverted triangular configuration.
9. A sofa extension bracket according to claim 3, characterized in that the distance between the second footrest (425) and the front end of the seat frame mounting plate (10) is 39cm or more when the leg extension mechanism (400) is extended to the lying position.
10. The sofa stretching device is characterized by comprising a driving mechanism (50), a base (60) and the sofa stretching support as claimed in any one of claims 1-9, wherein the driving mechanism (50) is arranged on the base (60), and the two stretching supports are symmetrically arranged on the side surface of the base (60) through a seat frame mounting plate (10).
11. The sofa stretching device according to claim 10, wherein the driving mechanism (50) comprises a driving member (51), a push rod (52) and a driving connecting rod (53), one end of the driving member (51) is fixed in the middle of the base (60), the other end is connected with the push rod (52), and the push rod (52) is connected with the driving connecting rod (53).
12. The sofa stretching device according to claim 11, wherein the driving link (53) is provided with a linking piece (54) at both ends, one end of each linking piece (54) is connected to the driving link (53), and the other end is connected to the second rocker (413).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910017703 | 2019-01-08 | ||
| CN2019100177038 | 2019-01-08 |
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| Publication Number | Publication Date |
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| CN109924750A CN109924750A (en) | 2019-06-25 |
| CN109924750B true CN109924750B (en) | 2024-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910165676.9A Active CN109924750B (en) | 2019-01-08 | 2019-03-04 | Sofa stretching bracket and stretching device |
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| CN (1) | CN109924750B (en) |
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| CN110731643A (en) * | 2019-10-09 | 2020-01-31 | 锐迈机械科技（吴江）有限公司 | sofa iron frame structure, sofa and sofa production method |
| CN111990809A (en) * | 2020-08-06 | 2020-11-27 | 锐迈机械科技（吴江）有限公司 | Seat support and sectional shelf-unit |
| CN111990817A (en) * | 2020-08-06 | 2020-11-27 | 锐迈机械科技（吴江）有限公司 | Seat extension support |
| CN111972901A (en) * | 2020-08-06 | 2020-11-24 | 锐迈机械科技（吴江）有限公司 | Sofa extension support and sofa |
| CN114435978B (en) * | 2020-11-03 | 2024-02-27 | 杭州壹悟科技有限公司 | Mechanical device and carrying equipment |
| CN114568875B (en) * | 2020-11-28 | 2024-03-19 | 顾家家居股份有限公司 | Foldable functional sofa mechanical stretching device of foot rest |
| CN214258670U (en) * | 2021-01-22 | 2021-09-24 | 德沃康科技集团有限公司 | Sofa stretching device |
| CN112690604B (en) * | 2021-02-05 | 2022-08-02 | 惠州市奥鑫家具有限公司 | Bracket component with anti-pinch protection and stretching enhancement functions for functional sofa and preparation method of bracket component |
| CN113812796B (en) * | 2021-08-18 | 2023-08-29 | 锐迈机械科技（吴江）有限公司 | Sofa linkage device with leg oblique folding function, sofa support and sofa |
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| CN107713506A (en) * | 2017-10-11 | 2018-02-23 | 锐迈机械科技（吴江）有限公司 | Foot-operated extended structure and extendable bracket |
| CN108260984A (en) * | 2018-01-16 | 2018-07-10 | 锐迈机械科技（吴江）有限公司 | A kind of function mechanical extending device for sofa |
| CN210330037U (en) * | 2019-01-08 | 2020-04-17 | 锐迈机械科技（吴江）有限公司 | Sofa extension support and extension device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109924750A (en) | 2019-06-25 |
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Country or region after: China Address after: 215200 west side of Tongjin Avenue, Wujiang Economic and Technological Development Zone, Suzhou City, Jiangsu Province Applicant after: Ruimai Technology Co.,Ltd. Address before: 215200 west side of Tongjin Avenue, Wujiang Economic Development Zone, Suzhou City, Jiangsu Province Applicant before: REMACRO MACHINERY & TECHNOLOGY (WUJIANG) Co.,Ltd. Country or region before: China |
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