CN112741443A - Sofa frame structure and sofa with prevent pressing from both sides function - Google Patents
Sofa frame structure and sofa with prevent pressing from both sides function Download PDFInfo
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- CN112741443A CN112741443A CN202110119503.0A CN202110119503A CN112741443A CN 112741443 A CN112741443 A CN 112741443A CN 202110119503 A CN202110119503 A CN 202110119503A CN 112741443 A CN112741443 A CN 112741443A
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- push rod
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- sofa
- driving mechanism
- leg stretching
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- 238000003825 pressing Methods 0.000 title claims description 4
- 230000000712 assembly Effects 0.000 claims description 13
- 238000000429 assembly Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 208000027418 Wounds and injury Diseases 0.000 description 5
- 230000006378 damage Effects 0.000 description 5
- 208000014674 injury Diseases 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C17/00—Sofas; Couches; Beds
- A47C17/04—Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds
- A47C17/16—Seating furniture changeable to beds by tilting or pivoting the back-rest
- A47C17/163—Seating furniture changeable to beds by tilting or pivoting the back-rest and a foot-rest
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
- A47C20/08—Head -, foot -, or like rests for beds, sofas or the like with means for adjusting two or more rests simultaneously
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nursing (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention discloses a sofa rack structure with an anti-pinch function, which comprises a rack, a leg stretching component hinged to the rack, and a leg support driving mechanism arranged between the rack and the leg stretching component, wherein the leg support driving mechanism comprises an unfolding driving mechanism and a reset elastic piece, the unfolding driving mechanism only can drive the leg stretching component to unfold and/or lock, and the reset elastic piece elastically drives the leg stretching component to fold and reset. According to the sofa rack structure provided by the invention, the unfolding driving mechanism can be used for driving the leg stretching assembly to be unfolded rigidly, the reset elastic piece is used for driving the leg stretching assembly to be folded elastically, when the legs and feet of a person are clamped accidentally in the folding process, the clamping force is provided by the elastic force of the reset elastic piece, the clamping force is small and is elastic, the clamping can be released easily, the use safety is improved, and the problem that the sofa leg support is seriously clamped in the folding process is solved.
Description
Technical Field
The invention relates to the technical field of furniture, in particular to a sofa frame structure with an anti-pinch function and a sofa.
Background
The sofa is a common indoor furniture article, is a seat for people to have a rest or leisure and entertainment, and is an indoor important ornament. In order to increase the comfort level of sitting on the sofa, some sofas are additionally provided with leg supports, so that the leg supports can support the legs when a user lies on the sofa, and the relaxation of the unfolded feet is facilitated.
The leg support of the existing sofa mainly has two modes of manual adjustment and intelligent adjustment, the leg support which is manually adjusted is easy to fold in by itself in the using process to clamp legs, the adjustment operation is complicated, and the use experience of a user is poor; the intelligent regulation leg support adopts an electric push rod with bidirectional driving force (with pushing force and pulling force) as a driving source, the unfolding action and the folding action of the leg support are rigid actions, and the leg support cannot be stopped in time when the conditions of leg clamping, hand clamping and the like are found in the folding process to cause injury to continue.
Disclosure of Invention
In order to overcome the defects in the prior art, the novel sofa frame structure with the anti-pinch function is provided by the use.
The technical scheme adopted by the invention for solving the problems is as follows:
the utility model provides a sofa rack construction with prevent pressing from both sides function, includes the frame, articulate in the flexible subassembly of shank of frame, set up in leg support actuating mechanism between frame and the flexible subassembly of shank, this leg support actuating mechanism is including launching actuating mechanism and elastic component that resets, wherein, it only can drive the flexible subassembly of shank and expand and/lock to launch actuating mechanism, elastic component elastic drive shank flexible subassembly that resets draws in and resets.
According to the sofa rack structure provided by the invention, the unfolding driving mechanism can be used for driving the leg stretching assembly to be unfolded rigidly, and the resetting elastic piece is used for driving the leg stretching assembly to be folded elastically, so that the unfolding and folding of the leg stretching assembly are controlled by different systems.
Further, the unfolding driving mechanism comprises a first electric push rod which can be pushed forwards in a single direction, the first electric push rod is pushed forwards to drive the leg stretching assembly to unfold, and the reset elastic piece elastically drives the leg stretching assembly to compress the first electric push rod to realize folding and resetting.
Specifically, first electric putter include the motor, with motor drive complex push rod actuating mechanism and slide push rod, push rod actuating mechanism include the lead screw and with lead screw matched with screw-nut, slide push rod's rear end can be followed the axis direction of lead screw is slided and is located screw-nut's front end is located, slide push rod does not follow screw-nut's rearward movement and removes.
After applying this sofa rack construction to the sofa, the slip push rod can be at the gravity of leg rest and restore to the throne the elasticity effect of elastic component down automatic re-setting, and simple structure is convenient, and low in production cost is convenient for promote on a large scale.
Furthermore, the first electric push rod further comprises a fixed guide rod used for guiding the sliding push rod, and the fixed guide rod is connected with the motor. Therefore, the fixed guide rod is used for guiding the sliding push rod, so that the sliding push rod is convenient to reset after clamping is released, and the sliding push rod can be prevented from rotating radially; on the other hand, the fixed guide rod can also play a role in guiding the screw rod nut, and a travel switch is conveniently arranged on the fixed guide rod to control the telescopic travel of the first electric push rod.
Furthermore, the leg stretching assemblies are arranged in two, the leg stretching assemblies are connected to the front end of the rack oppositely, a first cross rod is connected between the leg stretching assemblies, one end of a first electric push rod is hinged to the first cross rod, and the other end of the first electric push rod is hinged to the rack. From this, first electric putter can directly drive the flexible subassembly simultaneous movement of two legs in order to drive simultaneously through first horizontal pole, has simplified the structure of expansion actuating mechanism, reduces whole equipment degree of difficulty and manufacturing cost.
Further, the frame includes the base, articulate in the lifting mechanism and the seat face actuating mechanism of base, seat face actuating mechanism set up in between base and the lifting mechanism and be used for the drive lifting mechanism is relative the base lifting or is drawn in.
In the invention, the lifting mechanism and the leg stretching assembly are respectively controlled by the two sets of driving sources, so that the actions of the sofa seat surface and the sofa leg support can be respectively and independently controlled by a user, different use requirements of the user are met, and the user experience is improved.
Furthermore, the lifting mechanism comprises two driving connecting rod groups oppositely hinged to the base and supporting plates hinged to the upper ends of the driving connecting rod groups, the leg stretching assemblies are hinged to the front ends of different supporting plates respectively, a second cross rod is connected between the supporting plates, and the first electric push rod is hinged to the second cross rod and located between the two supporting plates. Therefore, after the sofa frame structure is applied to a sofa, the state of the leg support relative to the seat surface can be kept from being influenced by the lifting mechanism, and the space between the two driving connecting rod groups can be utilized to accommodate the first electric push rod, so that the space utilization rate is improved.
Further, the elastic restoring piece is a spring, and the spring is connected between the leg stretching assembly and the supporting plate.
The lifting mechanism further comprises a backrest assembly connected between the base and the lifting mechanism; when the seat surface driving mechanism drives the lifting mechanism to lift or furl, the lifting mechanism simultaneously drives the backrest component to move obliquely.
The invention also provides a sofa which uses the sofa frame structure.
In summary, the sofa frame structure provided by the invention has the following technical effects:
1) the unfolding driving mechanism forms an independent leg support unfolding system, the reset elastic piece forms an independent leg support folding system, the unfolding driving mechanism drives the leg telescopic components to be unfolded rigidly, after the power of the unfolding driving mechanism is removed, the reset elastic piece drives the leg telescopic components to be folded elastically, the unfolding and folding of the leg telescopic components are controlled by different systems, and the condition that hands and feet are accidentally clamped and cannot be stopped timely to cause injury continuation during folding is avoided;
2) the lifting mechanism and the leg stretching assembly are respectively controlled through the two sets of driving sources, so that the actions of the sofa seat surface and the sofa leg support can be respectively and independently controlled by a user, different using requirements of the user are met, and the user experience is improved.
Drawings
FIG. 1 is a schematic structural diagram of a sofa frame structure according to an embodiment of the invention;
FIG. 2 is a top view of a sofa frame structure according to an embodiment of the invention;
FIG. 3 is an enlarged view of part A of FIG. 2;
FIG. 4 is a cross-sectional view of the sofa frame structure according to the embodiment of the invention;
FIG. 5 is a schematic structural diagram of a first electric putter according to an embodiment of the present invention;
fig. 6 is an exploded view of the first electric putter according to an embodiment of the present invention.
Description of reference numerals:
1. a frame; 11. a base; 12. a lifting mechanism; 121. a drive linkage; 122. a support plate; 123. a second cross bar; 1231. a first connecting member; 1232. a second connecting member; 13. a seat surface driving mechanism; 131. a second electric push rod; 14. a backrest assembly; 2. a leg telescoping assembly; 21. a first cross bar; 3. a leg rest drive mechanism; 31. a deployment drive mechanism; 311. a first electric push rod; 3111. a motor; 31111. a first connection portion; 3112. a push rod drive mechanism; 31121. a screw rod; 31122. a feed screw nut; 3113. a sliding push rod; 31131. a second connecting portion; 3114. fixing the guide rod; 32. a restoring elastic member; 4. a leg support.
Detailed Description
The invention will be further described with reference to the accompanying drawings and the detailed description below:
in the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
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.
Referring to fig. 1-2, the present invention provides a sofa frame structure having two sets of driving sources to control the lifting of the seat surface and the unfolding of the leg support, respectively, so as to meet different user requirements and improve the user experience. The invention also provides a sofa with the sofa frame structure.
In this embodiment, the sofa frame structure includes a frame 1, a leg stretching assembly 2, and a leg rest driving mechanism 3. The rear end of the leg telescopic component 2 is hinged to the front end of the frame 1, and the front end of the leg telescopic component 2 is connected with a leg support 4; the leg support driving mechanism 3 is arranged between the rack 1 and the leg stretching assembly 2 and is used for driving the leg stretching assembly 2 to be unfolded or folded relative to the rack 1, and then stretching out and folding in of the leg support 4 are achieved.
In particular, the frame 1 provided by the present invention is a functional frame, and the frame 1 includes a base 11, a lifting mechanism 12, a seat driving mechanism 13, and a backrest assembly 14. Wherein, the base 11 is used as a supporting part for supporting on the ground; the lifting mechanism 12 is used as a supporting part for supporting the sofa seat surface and is hinged to the base 11, the leg stretching assembly 2 is hinged to the lifting mechanism 12, and the leg support driving mechanism 3 is arranged between the lifting mechanism 12 and the leg stretching assembly 2; the seat driving mechanism 13 is used as a driving source and disposed between the base 11 and the lifting mechanism 12, and is used for driving the lifting mechanism 12 to lift or fold relative to the base 1; the backrest 14 is connected between the base 11 and the lifting mechanism 12, and when the seat surface driving mechanism 13 drives the lifting mechanism 12 to lift or fold, the lifting mechanism 12 drives the backrest 14 to tilt.
It should be noted that the specific structures of the leg stretching assembly 2, the base 11, the lifting mechanism 12 and the backrest assembly 14 are well known to those skilled in the art, and therefore, the specific structures thereof will not be described.
In the above scheme, the sofa frame structure has two sets of driving sources, namely the seat surface driving mechanism 13 and the leg support driving mechanism 3, and the lifting mechanism 12 and the leg stretching assembly 2 are respectively controlled by the two sets of driving sources, so that the actions of the sofa seat surface and the sofa leg support can be respectively and independently controlled by a user, different use requirements of the user are met, and the user experience is improved.
One of the beneficial application effects is as follows: when a user switches from a lying posture to a sitting posture, the lifting mechanism 12 can be controlled to be folded and the backrest component 14 can be controlled to incline forwards (namely, the sofa backrest is switched from a backward leaning state to a basically vertical state) at the same time through the seat surface driving mechanism 13, and then the leg support driving mechanism 3 is used for controlling the leg telescopic component 2 and the leg support 4 to be folded.
In this embodiment, in particular, the sofa frame structure also has an anti-pinch function. Specifically, the leg rest driving mechanism 3 includes a deployment driving mechanism 31 and a return elastic member 32, the deployment driving mechanism 31 can only drive the leg stretching assembly 2 to deploy and/or lock, and the return elastic member 32 can elastically drive the leg stretching assembly 2 to furl and return.
Compared with the prior art, in the embodiment, the unfolding driving mechanism 31 can be used for driving the leg stretching assembly 2 to be unfolded rigidly so as to ensure that the leg rest 4 has enough bearing force; utilize the elastic component that resets 32 to drive the flexible subassembly 2 of shank and draw in the elasticity, when the unexpected centre gripping of drawing in the in-process was to people's trick, its clamping-force is provided by the elasticity of elastic component that resets 32, therefore this clamping-force is less and for the elastic force, can easily outwards stimulate leg rest 4 or extract the trick and in order to relieve the centre gripping, has improved the safety in utilization, has solved sofa leg rest 4 and has taken place the problem of serious clamp injury at the in-process of drawing in.
Indeed, in other preferred embodiments, the unfolding driving mechanism 31 may also be a linear driving mechanism with two-way driving force, for example, the unfolding driving mechanism 31 is a general electric push rod with two-way driving force, at this time, the elastic restoring of the restoring elastic member 32 is no longer needed, the unfolding driving mechanism 31 can independently realize the unfolding and folding of the leg stretching assembly 2, and the unfolding driving mechanism 31 and the seat surface driving mechanism 13 are combined to form two complete driving sources to realize the independent control of the sofa seat surface and the sofa leg rest.
Specifically, the unfolding driving mechanism 31 includes a first electric push rod 311 which can be pushed forward in only a single direction, and the first electric push rod 311 pushes forward to drive the leg stretching assembly 2 to unfold; the reset elastic member 32 elastically drives the leg stretching assembly 2 to compress the first electric push rod 311 to realize furling reset. Thereby, the rigid expansion of the leg stretching unit 2 is realized by the thrust of the first electric push rod 311.
In the embodiment, two leg stretching assemblies 2 are provided, and the two leg stretching assemblies 2 are oppositely connected to the lifting mechanism 12. Specifically, the lifting mechanism 12 includes two driving linkage 121 hinged to the base 11 and a supporting plate 122 hinged to the upper end of the driving linkage 12, and the two leg stretching assemblies 2 are respectively hinged to the front ends of different supporting plates 122 to keep the state of the leg rest 4 relative to the seat surface of the sofa from being affected by the lifting mechanism 12.
In this embodiment, a first cross bar 21 is connected between the two leg stretching assemblies 2, and preferably, the first cross bar 21 is connected to the rear ends of the leg stretching assemblies 2; one end of the first electric push rod 311 is hinged to the first cross bar 21, and the other end of the first electric push rod 311 is hinged to the lifting mechanism 12. From this, first electric putter 311 can directly be through first horizontal pole 21 in order to drive the flexible subassembly 2 of two legs simultaneous movement simultaneously, and the flexible subassembly 2 atress of two legs is even, and the action is steady.
In other preferred embodiments, the first electric push rod 311 can also realize the transmission control of the leg stretching assembly 2 through an intermediate transmission structure (such as a linkage, a swing arm link, etc.).
Preferably, a second cross bar 123 is connected between the two support plates 122, and preferably, the second cross bar 123 is connected to the middle of the support plate 122; the first electric push rod 311 is hinged to the second cross bar 123, and the first electric push rod 311 is located between the two support plates 122, so that the space between the two driving linkage sets 121 is utilized to accommodate the first electric push rod 311.
In this embodiment, the seat cushion driving mechanism 13 includes the second electric push rod 131, the second cross bar 123 is provided with a first connecting member 1231 and a second connecting member 1232, and the first connecting member 1231 and the second connecting member 1232 are sequentially arranged along the length direction of the second cross bar 123.
The first electric push rod 311 is hinged to the first connecting member 1231, one end of the second electric push rod 131 is hinged to the second connecting member 1232, and the other end of the second electric push rod 131 is hinged to the rear end of the base 11.
It should be noted that the second electric putter 131 is a conventional general electric putter having a bidirectional driving force, and thus, a specific structure thereof will not be described.
The space at the bottom of the sofa seat surface is limited, the first connecting piece 1231 and the second connecting piece 1232 are arranged on the second cross bar 123, so that the first electric push rod 311 and the second electric push rod 131 can be arranged in a staggered manner to avoid mutual interference during movement, and meanwhile, a larger telescopic stroke space can be reserved for the first electric push rod 311 and the second electric push rod 131.
Particularly, the first connecting member 1131 extends towards the rear end of the base 11, and the first electric push rod 311 is hinged to one end of the first connecting member 1131 close to the rear end of the base, so as to further increase the telescopic stroke space of the first electric push rod 311, and solve the problems of insufficient expansion amount of the leg telescopic assembly 2 and short extension distance of the leg support 4.
In this embodiment, the first electric putter 311 includes a motor 3111, a putter driving mechanism 3112 in transmission fit with the motor 3111, and a sliding putter 3113, the putter driving mechanism 3112 includes a screw 31121 and a screw 31122 in fit with the screw 31121, a rear end of the sliding putter 3113 is slidably sleeved on a front end of the screw 31122 along an axial direction of the screw 31121, wherein the sliding putter 3113 does not move along with the backward movement of the screw 31122. It can be understood that the housing of the motor 3111 is provided with a first connecting portion 31111, and the front end of the sliding push rod 3113 is provided with a second connecting portion 31131, so as to connect the first electric push rod 311 with other parts of the sofa frame structure.
It is understood that first connector 31111 is hingedly connected to first connector 1131 on second rail 123, and second connector 31131 is hingedly connected to first rail 21; alternatively, first connection portion 31111 is hinged to first rail 21, and second connection portion 31131 is hinged to first connection portion 1131 on second rail 123.
Preferably, the first electric putter 311 further includes a fixed guide 3114 for guiding the sliding putter 3113, the fixed guide 3114 is fixedly connected to the housing of the motor 3111, the sliding putter 3113 is slidably disposed in the fixed guide 3114, and the front end of the sliding putter 3113 is exposed out of one end of the fixed guide 3114 away from the motor 3111.
Through above-mentioned structure, the push rod 3113 that slides can hold in the palm 4 gravity and the elastic action of the elastic component 2 that resets at the leg and automatic re-setting, and simple structure is convenient, and low in production cost is convenient for promote on a large scale.
Meanwhile, the fixed guide 3114 is used to guide the sliding push rod 3113, so that the sliding push rod 3113 is convenient to reset after clamping is released, and the sliding push rod 3113 is prevented from rotating radially; on the other hand, the fixed guide 3114 can also guide the screw nut 31122, and it is convenient to install a travel switch on the fixed guide 3114 to control the telescopic travel of the first electric push rod 311.
Preferably, the return elastic member 32 is a spring, and two ends of the spring are respectively connected to the leg stretching assembly 2 and the supporting plate 122. Indeed, the return spring 32 may also be an elastic band or a combination of a spring and an elastic band to provide the elastic tension.
With the above structure, the leg rest driving mechanism 3 provided by the present invention has the following working process:
(1) deployment of the leg retraction assembly 2: when the motor 3111 is electrified and rotates positively, the screw 31121 drives the screw nut 31122 to move away from the motor, the screw nut 31122 pushes the sliding push rod 3113 forwards, and the sliding push rod 3113 drives the leg stretching assembly 2 to unfold; when the leg stretching unit 2 is unfolded to a predetermined position, the motor 3111 is locked to lock the leg stretching unit 2, and the leg of the user can be placed on the leg rest 4 at the front end of the leg stretching unit 2.
(2) Folding the leg stretching assembly 2: when the motor 3111 is electrified and reversely rotated, the screw 31121 drives the screw nut 31122 to move towards the motor, the leg stretching assembly 2 is pulled by the elastic force of the reset elastic piece 32 to be folded, and the leg stretching assembly 2 drives the sliding push rod 3113 to keep abutting against the moving screw nut 31122; when the user accidentally grips the user's hands and feet, the generated resistance overcomes the elastic pulling force of the elastic restoring member 32, the leg stretching assembly 2 stops being folded, and the sliding push rod 3113 is separated from the movable screw nut 31122, so as to prevent the injury from continuing and avoid serious injury.
In summary, the sofa frame structure provided by the invention controls the lifting mechanism 12 and the leg stretching assembly 2 through the two sets of driving sources respectively, so that the actions of the sofa seat surface and the sofa leg support can be controlled independently by users respectively, different use requirements of the users are met, and the user experience is improved; usable expansion actuating mechanism 31 drive the flexible subassembly 2 rigidity of shank and expand, utilize the elastic component 32 that resets drive the flexible subassembly 2 elasticity of shank and draw in, solved sofa leg and held in the palm and take place to press from both sides the problem of hindering in drawing in the in-process, this simple structure is convenient, low in production cost is convenient for promote on a large scale.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a sofa frame construction with prevent pressing from both sides function which characterized in that includes:
a frame (1);
a leg telescoping assembly (2) hinged to the frame (1);
the leg support driving mechanism (3) is arranged between the rack (1) and the leg stretching assembly (2), the leg support driving mechanism (3) comprises an unfolding driving mechanism (31) and a reset elastic piece (32), the unfolding driving mechanism (31) can only drive the leg stretching assembly (2) to unfold and/or lock, and the reset elastic piece (32) elastically drives the leg stretching assembly (2) to fold and reset.
2. The sofa frame structure according to claim 1, wherein the unfolding driving mechanism (31) comprises a first electric push rod (311) capable of being pushed forward in only one direction, the first electric push rod (311) is pushed forward to drive the leg stretching assembly (2) to unfold, and the reset elastic member (32) elastically drives the leg stretching assembly (2) to compress the first electric push rod (311) to realize furling reset.
3. The sofa frame structure according to claim 2, wherein the first electric push rod (311) comprises a motor (3111), a push rod driving mechanism (3112) in transmission fit with the motor (3111) and a sliding push rod (3113), the push rod driving mechanism (3112) comprises a screw rod (31121) and a screw nut (31122) in fit with the screw rod (31121), the rear end of the sliding push rod (3113) is slidably sleeved on the front end of the screw nut (31122) along the axial direction of the screw rod (31121), and the sliding push rod (3113) does not move along with the backward movement of the screw nut (31122).
4. The sofa frame structure according to claim 3, wherein the first power push rod (311) further comprises a fixed guide bar (3114) for guiding the sliding push rod (3113), the fixed guide bar (3114) being connected to the motor (3111).
5. The sofa frame structure according to any one of claims 2 to 4, wherein there are two leg stretching assemblies (2), two leg stretching assemblies (2) are oppositely connected to the front end of the frame (1), a first cross bar (21) is connected between the two leg stretching assemblies (2), one end of the first electric push rod (311) is hinged to the first cross bar (21), and the other end of the first electric push rod (311) is hinged to the frame (1).
6. The sofa frame structure according to claim 5, wherein the frame (1) comprises a base (11), a lifting mechanism (12) hinged to the base (11), and a seat driving mechanism (13), the seat driving mechanism (13) being disposed between the base (11) and the lifting mechanism (12) and used for driving the lifting mechanism (12) to be lifted or folded relative to the base (11).
7. The sofa frame structure according to claim 6, wherein the lifting mechanism (12) comprises two driving linkages (121) hinged to the base (11) and two supporting plates (122) hinged to the upper ends of the driving linkages (121), the two leg stretching assemblies (2) are hinged to the front ends of different supporting plates (122), a second cross rod (123) is connected between the two supporting plates (122), and the first electric push rod (311) is hinged to the second cross rod (123) and located between the two supporting plates (122).
8. The sofa frame structure according to claim 7, wherein the return elastic member (33) is a spring connected between the leg stretching assembly (2) and the support plate (122).
9. The sofa frame structure according to claim 6, further comprising a backrest assembly (14), the backrest assembly (14) being connected between the base (11) and the lifting mechanism (12); when the seat surface driving mechanism (13) drives the lifting mechanism (12) to lift or fold, the lifting mechanism (12) drives the backrest component (14) to move in an inclined mode.
10. A sofa comprising the sofa frame structure of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110119503.0A CN112741443A (en) | 2021-01-28 | 2021-01-28 | Sofa frame structure and sofa with prevent pressing from both sides function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110119503.0A CN112741443A (en) | 2021-01-28 | 2021-01-28 | Sofa frame structure and sofa with prevent pressing from both sides function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112741443A true CN112741443A (en) | 2021-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110119503.0A Pending CN112741443A (en) | 2021-01-28 | 2021-01-28 | Sofa frame structure and sofa with prevent pressing from both sides function |
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| CN (1) | CN112741443A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113633122A (en) * | 2021-07-19 | 2021-11-12 | 惠州市睿普斯林智能科技有限公司 | Storage bed with anti-pinch function |
| CN114376370A (en) * | 2022-01-24 | 2022-04-22 | 深圳市一么么科技有限公司 | Anti-shake driving mechanism, sofa frame body and sofa |
| CN115606959A (en) * | 2022-08-23 | 2023-01-17 | 顾家家居股份有限公司 | Zero back rubbing compact sofa iron frame structure |
| WO2024037282A1 (en) * | 2022-08-16 | 2024-02-22 | 锐迈科技股份有限公司 | Seat bracket and seat unit |
-
2021
- 2021-01-28 CN CN202110119503.0A patent/CN112741443A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113633122A (en) * | 2021-07-19 | 2021-11-12 | 惠州市睿普斯林智能科技有限公司 | Storage bed with anti-pinch function |
| CN114376370A (en) * | 2022-01-24 | 2022-04-22 | 深圳市一么么科技有限公司 | Anti-shake driving mechanism, sofa frame body and sofa |
| WO2024037282A1 (en) * | 2022-08-16 | 2024-02-22 | 锐迈科技股份有限公司 | Seat bracket and seat unit |
| CN115606959A (en) * | 2022-08-23 | 2023-01-17 | 顾家家居股份有限公司 | Zero back rubbing compact sofa iron frame structure |
| CN115606959B (en) * | 2022-08-23 | 2024-05-24 | 顾家家居股份有限公司 | Zero back rubbing compact sofa iron frame structure |
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