CN111109921B - Electric sofa support suitable for lifting load - Google Patents
Electric sofa support suitable for lifting load Download PDFInfo
- Publication number
- CN111109921B CN111109921B CN202010055957.1A CN202010055957A CN111109921B CN 111109921 B CN111109921 B CN 111109921B CN 202010055957 A CN202010055957 A CN 202010055957A CN 111109921 B CN111109921 B CN 111109921B
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- CN
- China
- Prior art keywords
- frame
- lifting
- driving
- rod
- connecting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
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
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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
- A47C17/86—Parts or details specially adapted for beds, sofas or couches not fully covered by any single one of groups A47C17/02 - A47C17/84
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/20—Chairs or stools with vertically-adjustable seats
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Supports for the head or the back
- A47C7/40—Supports for the head or the back for the back
- A47C7/46—Supports for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/50—Supports for the feet or the legs
- A47C7/506—Supports for the feet or the legs of adjustable type
- A47C7/5066—Supports for the feet or the legs of adjustable type by rotation
- A47C7/5068—Supports for the feet or the legs of adjustable type by rotation actuated by linkages
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nursing (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention relates to an electric sofa support suitable for lifting loads, which comprises a bottom frame, a lifting frame, two supporting pieces, a driving frame, a driving rod, a straight pushing motor and a straight pushing motor, wherein the two sides of the lifting frame are respectively connected with the bottom frame through a first connecting rod mechanism, the lifting frame is in arc-shaped lifting motion on the bottom frame through the first connecting rod mechanism, the two supporting pieces are respectively arranged at the two sides of the lifting frame through a second connecting rod mechanism, the driving frame is rotationally connected with the lifting frame, the two sides of the driving frame are respectively connected with the supporting pieces through driving rods, the driving frame rotates backwards and drives the supporting pieces to move through the driving rods at the two sides, and the driving frame rotates forwards and abuts against a protrusion on a connecting plate to limit so as to drive the first connecting rod mechanism to lift. The direct-push motor is matched with the driving frame and the driving rod to drive the supporting piece and the lifting frame to move, so that stable arc-shaped lifting of the supporting piece and the lifting frame is ensured.
Description
Technical Field
The invention relates to an electric sofa support suitable for lifting load.
Background
The biggest bearing 120KG of current electronic sofa support is about, along with the old man's chair sofa iron stand of fat crowd's increase urgent need a heavy load, in order to realize the lift of seat frame and the angle modulation of back in the present electronic sofa support, realize through a flat push motor, the thrust of flat push motor is greater than the pulling force of motor generally, and the requirement is higher to the external mounting spare of motor during pulling force, if intensity is not very easy fracture very much, consequently can not bear heavy load. The existing flat push motor can not meet the use requirement.
Secondly, in the past, the sofa support also has unreasonable place in structural design, and the lifting frame of its inside easily appears controlling when bearing great gravity and rocks, causes the whole unstable, the easy cracked problem of support.
Disclosure of Invention
The invention aims to solve the technical problems of overcoming the defects of the prior art, providing an electric sofa support suitable for lifting load, and solving the problems of unreasonable structural design and difficult bearing of larger load of the traditional electric sofa support.
The technical scheme adopted for solving the technical problems is that the electric sofa support suitable for lifting loads comprises a bottom frame;
The lifting frame is connected with the underframe through a first connecting rod mechanism, and the lifting frame moves in an arc-shaped lifting manner on the underframe through the first connecting rod mechanism;
the two supporting pieces are respectively arranged at two sides of the lifting frame through the second connecting rod mechanism;
The driving frame swings and is connected with the lifting frame, and two sides of the driving frame are respectively connected with the supporting piece through driving rods;
and the direct-pushing motor is connected with the driving frame to drive the driving frame to rotate forwards and backwards.
Further, the lifting frame comprises two lifting mounting plates, a front connecting rod and a rear connecting rod, wherein the front connecting rod and the rear connecting rod are fixedly arranged between the two lifting mounting plates, a pair of connecting plates are fixed on the front connecting rod, and limit protrusions matched with the driving frame are formed on the connecting plates;
the driving frame is positioned between the lifting mounting plates and is connected to the lifting mounting plates in a switching way.
Further, the first connecting rod mechanism comprises a pair of front connecting rods and a pair of rear connecting rods, the lower ends of the front connecting rods and the rear connecting rods are rotationally connected with the underframe, the upper ends of the front connecting rods and the rear connecting rods are rotationally connected with the lifting frame connecting plate, and two reinforcing rods are arranged between the two front connecting rods.
Further, the second link mechanism comprises a front rotating rod, a rear inclined rod and a rear rotating rod;
one end of the front rotating rod is rotationally connected with the front end of the lifting frame, and the other end of the front rotating rod is rotationally connected with the front end of the supporting piece;
And one end of the rear rotating rod is rotationally connected with the rear end of the lifting frame, the other end of the rear rotating rod is rotationally connected with the rear inclined rod, and the rear inclined rod is rotationally connected with the rear end of the supporting piece.
Further, the front rotating rod is connected with the front end of the lifting frame through a foot support bracket;
the back inclined rod is connected with the back support frame at the back end of the lifting frame.
Further, the driving frame comprises a driving cross arm and two swing arms, the swing arms are fixedly arranged at two ends of the driving cross arm, the upper ends of the swing arms are rotationally connected with the lifting frame, and the lower ends of the swing arms are rotationally connected with the driving rod.
The beneficial effects of the invention are as follows:
The invention provides an electric sofa support suitable for lifting loads, which is characterized in that a direct-push motor is used for driving a supporting piece and a lifting frame to move by matching with a driving frame and a driving rod, so that stable arc-shaped lifting of the supporting piece and the lifting frame is ensured.
Secondly, two connecting rods around the lifting frame middle part adopted have promoted lifting frame's stability in the horizontal direction greatly, and the same reason, a pair of preceding connecting rod in first link mechanism increases two stiffener to promote whole first link mechanism's intensity, thereby promote first link mechanism's ability of bearing great load.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of a lifting frame;
FIG. 2 is a schematic diagram of a drive rack;
FIG. 3 is a schematic view of a first link mechanism and chassis;
FIG. 4 is a schematic view of the motorized sofa frame in an initial state;
FIG. 5 is a schematic view of the motorized sofa frame in a standing position;
FIG. 6 is a schematic view of the motorized sofa mount in a TV state;
FIG. 7 is a schematic view of the motorized sofa frame in a resting state;
Wherein 1, a bottom frame, 2, a first connecting rod mechanism, 21, a front connecting rod, 22, a rear connecting rod, 23, a reinforcing rod, 3, a driving frame, 31, a driving cross arm, 32, a swinging arm, 33, a driving rod, 4, a lifting frame, 41 and a lifting mounting plate, 42, front connecting rod, 43, rear connecting rod, 44, connecting plate, 51, foot rest bracket, 52, backrest bracket, 6, support piece, 7, linear motor, 81, front rotating rod, 82, rear rotating rod, 83, rear tilting rod.
Detailed Description
The invention will now be further described with reference to the accompanying drawings. These drawings are simplified schematic views illustrating the basic structure of the present invention by way of illustration only, and thus show only the constitution related to the present invention.
As shown in fig. 1 to 7, an electric sofa support adapted to lift a load comprises a base frame 1;
the lifting frame 4, two sides are connected with the underframe 1 through the first connecting rod mechanism 2 respectively, and the lifting frame 4 moves in an arc-shaped lifting manner on the underframe 1 through the first connecting rod mechanism 2;
the two supporting pieces 6 are respectively arranged at two sides of the lifting frame 4 through second connecting rod mechanisms;
The driving frame 3 is in swing connection with the lifting frame 4, and two sides of the driving frame 3 are respectively connected with the supporting piece 6 through driving rods 33;
The direct-pushing motor is connected with the driving frame 3 to drive the driving frame 3 to rotate forwards and backwards.
Specifically, as shown in fig. 1, the lifting frame 4 includes two lifting mounting plates 41, a front connecting rod 42 and a rear connecting rod 43, wherein the front connecting rod 42 and the rear connecting rod 43 are fixedly disposed between the two lifting mounting plates 41, a pair of connecting plates 44 are fixed on the front connecting rod 42, and a limiting protrusion for being matched with the driving frame is formed on the connecting plates;
The drive rack 3 is located between the front connecting rod 42 and the rear connecting rod 43.
Two connecting rods are installed between the two lifting mounting plates 41, the strength of the lifting frame 4 is improved, the lifting frame is prevented from deforming in the horizontal direction, the driving frame 3 is located between the front connecting rod 42 and the rear connecting rod 43, and the lifting stability of the lifting frame 4 is improved.
Specifically, the first link mechanism 2 includes a pair of front links 21 and a pair of rear links 22, the lower ends of the front links 21 and the rear links 22 are rotatably connected with the chassis 1, the upper ends of the front links 21 and the rear links 22 are rotatably connected with the connecting plate 44 of the lifting frame 4, and two reinforcing rods 23 are disposed between the two front links 21. A pair of front links 21 in the first link mechanism 2 adds two reinforcing rods 23 to increase the strength of the entire first link mechanism 2, thereby improving the ability of the first link mechanism 2 to withstand a large load.
Specifically, as shown in fig. 5, the second link mechanism includes a front rotating rod 81, a rear tilting rod 83 and a rear rotating rod 82, wherein one end of the front rotating rod 81 is rotatably connected with the front end of the lifting frame 4, the other end of the front rotating rod 81 is rotatably connected with the front end of the supporting member 6, one end of the rear rotating rod 82 is rotatably connected with the rear end of the lifting frame 4, the other end of the rear rotating rod 82 is rotatably connected with the rear tilting rod 83, and the rear tilting rod 83 is rotatably connected with the rear end of the supporting member 6.
The support 6 swings in an arc shape through the front rotating lever 81, the rear tilting lever 83, and the rear rotating lever 82, and moves up and down and back and forth on the lifting frame 4.
Specifically, the front rotating rod 81 is connected with the front end of the lifting frame 4 by a foot support bracket 51, and the rear tilting rod 83 is connected with the rear end of the lifting frame 4 by a backrest bracket 52. The specific structure of the foot rest support 51 and the backrest support 52 is a conventional mature mechanism, and will not be described here.
Specifically, as shown in fig. 2, the driving frame 3 includes a driving cross arm 31 and two swing arms 32, the swing arms 32 are fixedly disposed at two ends of the driving cross arm 31, the upper ends of the swing arms 32 are rotatably connected with the lifting frame 4, and the lower ends of the swing arms 32 are rotatably connected with a driving rod 33.
As shown in fig. 4, in the normal mode of the electric sofa support, the user keeps sitting at this time, the linear motor 7 stretches out to drive the driving frame 3 to abut against the protrusions on the two connecting plates 44 of the lifting frame 4 to limit, so that the linear motor 7 drives the lifting frame 4 to lift to the standing assisting mode shown in fig. 5, and in the mode, the user can keep standing up and leave the sofa.
When the electric sofa support is in a normal mode, the linear motor 7 is retracted to drive the driving frame 3 to rotate backwards on the lifting frame 4, the swing arm 32 drives the supporting piece 6 to move backwards through the driving rod 33, and when the foot support 51 is driven to be unfolded in the process of moving backwards of the supporting piece 6, the electric sofa support enters a TV mode, namely, a user is suitable for watching TV in the mode, and the linear motor 7 continuously drives the supporting piece 6 to move backwards through the driving frame 3 to drive the backrest support 52 to be opened, so that the leisure mode of the sofa support is entered.
The electric sofa support is changed from the traditional flat-pushing motor into the conventional linear motor 7, so that high-load electric pushing force is provided for the electric sofa support, the linear motor 7 is matched with the newly designed driving frame 3, so that the support piece 6 can be driven to do arc-shaped motion, namely, the arc-shaped operation of the support piece 6 comprises the up-and-down movement of the support piece 6 and the forward-and-backward movement of the support piece 6, and finally, the movement of the support piece 6 drives the foot support 51 and the backrest support 52 to stretch.
The electric sofa support also strengthens the structure of the lifting frame 4, adopts two connecting rods to fix the lifting mounting plates 41 at two sides, and improves the strength of the lifting frame 4, and in addition, by virtue of the principle, the strength of the first connecting rod mechanism 2 is also strengthened, and the load capacity of the electric sofa support is greatly improved through the improvement.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (4)
1. An electric sofa support suitable for lifting load is characterized by comprising a bottom frame;
The lifting frame is connected with the underframe through a first connecting rod mechanism, and the lifting frame moves in an arc-shaped lifting manner on the underframe through the first connecting rod mechanism;
the two supporting pieces are respectively arranged at two sides of the lifting frame through the second connecting rod mechanism;
The driving frame swings and is connected with the lifting frame, and two sides of the driving frame are respectively connected with the supporting piece through driving rods;
The direct-push motor is connected with the driving frame to drive the driving frame to rotate forwards and backwards;
The lifting frame comprises two lifting mounting plates, a front connecting rod and a rear connecting rod, wherein the front connecting rod and the rear connecting rod are fixedly arranged between the two lifting mounting plates, a pair of connecting plates are fixedly arranged on the front connecting rod, and limit protrusions matched with the driving frame are formed on the connecting plates;
the driving frame is positioned between the lifting mounting plates and is connected to the lifting mounting plates in a switching way;
the second link mechanism comprises a front rotating rod, a rear inclined rod and a rear rotating rod;
one end of the front rotating rod is rotationally connected with the front end of the lifting frame, and the other end of the front rotating rod is rotationally connected with the front end of the supporting piece;
And one end of the rear rotating rod is rotationally connected with the rear end of the lifting frame, the other end of the rear rotating rod is rotationally connected with the rear inclined rod, and the rear inclined rod is rotationally connected with the rear end of the supporting piece.
2. The electric sofa support suitable for lifting loads according to claim 1, wherein the first connecting rod mechanism comprises a pair of front connecting rods and a pair of rear connecting rods, the lower ends of the front connecting rods and the rear connecting rods are rotatably connected with the underframe, the upper ends of the front connecting rods and the rear connecting rods are rotatably connected with the lifting frame connecting plate, and two reinforcing rods are arranged between the two front connecting rods.
3. The electrically powered sofa frame adapted to lift a load of claim 1,
The front rotating rod is connected with the front end of the lifting frame through a foot support bracket;
the back inclined rod is connected with the back support frame at the back end of the lifting frame.
4. The electric sofa support suitable for lifting loads according to claim 1, wherein the driving frame comprises a driving cross arm and two swing arms, the swing arms are fixedly arranged at two ends of the driving cross arm, the upper ends of the swing arms are rotatably connected with the lifting frame, and the lower ends of the swing arms are rotatably connected with the driving rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010055957.1A CN111109921B (en) | 2020-01-18 | 2020-01-18 | Electric sofa support suitable for lifting load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010055957.1A CN111109921B (en) | 2020-01-18 | 2020-01-18 | Electric sofa support suitable for lifting load |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111109921A CN111109921A (en) | 2020-05-08 |
| CN111109921B true CN111109921B (en) | 2024-12-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010055957.1A Active CN111109921B (en) | 2020-01-18 | 2020-01-18 | Electric sofa support suitable for lifting load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111109921B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114532784A (en) * | 2020-11-25 | 2022-05-27 | 泰州市姜堰区荣耀金属制品有限公司 | High-stability functional sofa support |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211533523U (en) * | 2020-01-18 | 2020-09-22 | 常州泽辉机械有限公司 | Electric sofa support suitable for lifting load |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4937900A (en) * | 1989-04-13 | 1990-07-03 | Bridges Bobby L | Electric sofa bed |
| CN201630744U (en) * | 2010-02-04 | 2010-11-17 | 嘉兴市朗爵金属家具有限公司 | Electric sofa lifting device and electric sofa |
| DE202012100960U1 (en) * | 2012-01-25 | 2012-04-03 | Koinor Polstermöbel GmbH & Co. KG | Seating / reclining furniture |
| CN207693289U (en) * | 2017-05-12 | 2018-08-07 | 东莞市捷科五金有限公司 | A kind of sofa frame backrest angle adjustment mechanism |
| CN208875782U (en) * | 2018-05-04 | 2019-05-21 | 东莞市捷科五金有限公司 | A kind of sofa frame of list driving device |
| CN116369688A (en) * | 2018-11-02 | 2023-07-04 | 常州泽辉机械有限公司 | A working method of an iron frame for a double-motor-driven standing recliner |
| DE202019103838U1 (en) * | 2019-07-12 | 2019-07-24 | Dongguan Jackwell Hardware Co., Ltd. | Electric sofa frame |
-
2020
- 2020-01-18 CN CN202010055957.1A patent/CN111109921B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211533523U (en) * | 2020-01-18 | 2020-09-22 | 常州泽辉机械有限公司 | Electric sofa support suitable for lifting load |
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| Publication number | Publication date |
|---|---|
| CN111109921A (en) | 2020-05-08 |
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