CN111109921A - Electric sofa stand for lifting loads - Google Patents
Electric sofa stand for lifting loads Download PDFInfo
- Publication number
- CN111109921A CN111109921A CN202010055957.1A CN202010055957A CN111109921A CN 111109921 A CN111109921 A CN 111109921A CN 202010055957 A CN202010055957 A CN 202010055957A CN 111109921 A CN111109921 A CN 111109921A
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- China
- Prior art keywords
- frame
- lifting
- driving
- drive
- 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.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 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
- 238000009434 installation Methods 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
- 239000003351 stiffener Substances 0.000 description 1
Images
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
本发明涉及一种适于提升载荷的电动沙发支架，包括底架；升降框，两侧分别经第一连杆机构与底架连接，升降框经第一连杆机构在底架做弧形升降运动；两个支撑件，分别经第二连杆机构设置在升降框两侧；驱动架，与升降框转动连接，驱动架两侧分别经驱动杆与支撑件连接，驱动架向后旋转，经两侧的驱动杆带动支撑件运动；驱动架向前旋转抵接连接板上的凸起限位，以带动第一连杆机构抬升；直推电机，与驱动架连接，以带动驱动架做前后旋转。选用直推电机配合驱动架、驱动杆来带动支撑件和升降框运动，确保了支撑件和升降框的稳定弧形抬升。
The invention relates to an electric sofa support suitable for lifting loads, which comprises a bottom frame; The two supports are respectively arranged on both sides of the lifting frame through the second link mechanism; the driving frame is rotatably connected with the lifting frame, the two sides of the driving frame are respectively connected with the supporting members through the driving rod, the driving frame rotates backward, and the The drive rods on both sides drive the support parts to move; the drive frame rotates forward to abut the convex limit on the connecting plate to drive the first link mechanism to lift; the direct push motor is connected with the drive frame to drive the drive frame to move forward and backward rotate. The direct push motor is used in conjunction with the drive frame and the drive rod to drive the support and the lifting frame to move, which ensures the stable arc lift of the support and the lifting frame.
Description
Technical Field
The invention relates to an electric sofa support suitable for lifting a load.
Background
The biggest bearing weight of current electronic sofa support is about 120KG, and along with the increase of fat crowd urgently need a heavy-duty old man's chair sofa iron stand, in order to realize the lift of seat frame and the angle modulation of back among the present electronic sofa support, realize through a flat push motor, the thrust of flat push motor will be greater than the pulling force of motor usually, and the requirement is higher to the external installed part of motor during the pulling force, if intensity very easy fracture inadequately, consequently can not bear the heavy load. The existing flat push motor can not meet the use requirement.
Secondly, there is unreasonable place in the structural design of sofa support in the past, and its inside lift frame easily appears rocking from side to side when bearing great gravity, causes the whole unstable of support, the easy cracked problem.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, the electric sofa support suitable for lifting loads is provided, and the problems that the structural design of the conventional electric sofa support is unreasonable and large loads are not easy to bear are solved.
The technical scheme adopted by the invention for solving the technical problems is as follows: an electric sofa support adapted to lift a load, comprising a base frame;
the two sides of the lifting frame are respectively connected with the underframe through the first connecting rod mechanisms, and the lifting frame does arc-shaped lifting motion on the underframe through the first connecting rod mechanisms;
the two supporting pieces are arranged on two sides of the lifting frame through second connecting rod mechanisms respectively;
the driving frame is connected with the lifting frame in a swinging mode, and two sides of the driving frame are connected with the supporting piece through driving rods respectively; the driving frame swings backwards, and the driving rods on the two sides drive the supporting piece to move; the driving frame swings forwards and abuts against the limiting bulge of the lifting frame so as to drive the first connecting rod mechanism to lift;
the direct-push motor is connected with the driving frame to drive the driving frame to rotate back and forth.
Furthermore, the lifting frame comprises two lifting mounting plates, a front connecting rod and a rear connecting rod, 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 limiting bulges matched with the driving frame are formed on the connecting plates;
the driving frame is positioned between the lifting mounting plates and connected to the lifting mounting plates.
Furthermore, 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 lower ends of the rear connecting rods are rotatably connected with the underframe, and the upper ends of the front connecting rods and the upper ends of the rear connecting rods are rotatably connected with the lifting frame connecting plate; two reinforcing rods are arranged between the two front connecting rods.
Furthermore, the second connecting rod 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;
back dwang one end is rotated with the lift frame rear end and is connected, the back dwang other end rotates with the back down tube to be connected, the back down tube rotates with the support piece rear end to be connected.
Furthermore, the front rotary rod and the front end of the lifting frame are connected with the foot support bracket;
the rear inclined rod and the rear end of the lifting frame are connected with a backrest support.
Furthermore, 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.
The invention has the beneficial effects that:
the invention provides an electric sofa support suitable for lifting loads, wherein a direct-push motor is selected to be matched with a driving frame and a driving rod to drive a supporting piece and a lifting frame to move, so that the stable arc-shaped lifting of the supporting piece and the lifting frame is ensured.
Secondly, two connecting rods around the lifting frame middle part adopts, has promoted the stability of lifting frame on the horizontal direction greatly, and in the same way, two stiffeners are increased to a pair of preceding connecting rod in first link mechanism to promote whole first link mechanism's intensity, thereby promote the ability that first link mechanism bore great load.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of a lift frame;
FIG. 2 is a schematic view of a drive carriage;
FIG. 3 is a schematic view of a first linkage, undercarriage;
FIG. 4 is a schematic view of the electric sofa support in an initial state;
FIG. 5 is a schematic view of the electric sofa support in a standing-assistant state;
FIG. 6 is a schematic view of the motorized sofa support in the TV position;
FIG. 7 is a schematic view of the electric sofa support in a resting state;
the device comprises a base frame 1, an underframe 2, a first link mechanism 21, a front link 22, a rear link 23, a reinforcing rod 3, a driving frame 31, a driving cross arm 32, a swing arm 33, a driving rod 4, a lifting frame 41, a lifting mounting plate 42, a front link 43, a rear link 44, a connecting plate 51, a foot rest support 52, a backrest support 6, a support piece 7, a linear motor 81, a front rotating rod 82, a rear rotating rod 83 and a rear inclined rod.
Detailed Description
The invention will now be further described with reference to the accompanying drawings. These drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, 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 includes a base frame 1;
two sides of the lifting frame 4 are respectively connected with the underframe 1 through the first connecting rod mechanisms 2, and the lifting frame 4 does arc-shaped lifting motion on the underframe 1 through the first connecting rod mechanisms 2;
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 connected with the lifting frame 4 in a swinging mode, and two sides of the driving frame 3 are connected with the supporting piece 6 through the driving rods 33 respectively; the driving frame 3 swings backwards, and the driving rods 33 on the two sides drive the supporting piece 6 to move; the driving frame 3 swings forwards and abuts against the limiting bulge of the lifting frame 4 to drive the first connecting rod mechanism 2 to lift;
and the direct-push motor is connected with the driving frame 3 to drive the driving frame 3 to rotate back and forth.
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, 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 matching with the driving frame is formed on the connecting plates;
the drive frame 3 is located between the front connecting rod 42 and the rear connecting rod 43.
Two connecting rods are installed between two lifting installation 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 comprises 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 underframe 1, and 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; two reinforcing rods 23 are provided between the two front links 21. The pair of front links 21 in the first linkage 2 is added with two reinforcing rods 23 to increase the strength of the entire first linkage 2, thereby increasing the ability of the first linkage 2 to withstand larger loads.
Specifically, as shown in fig. 5, the second link mechanism includes a front rotating lever 81, a rear tilting lever 83, and a rear rotating lever 82; one end of the front rotating rod 81 is rotatably connected with the front end of the lifting frame 4, and the other end of the front rotating rod 81 is rotatably connected with the front end of the support piece 6; the back dwang 82 one end is rotated with the lifting frame 4 rear end and is connected, the back dwang 82 other end rotates with back down rake 83 and is connected, back down rake 83 rotates with support piece 6 rear end and is connected.
The support member 6 is configured to swing in an arc shape by the front rotating lever 81, the rear tilting lever 83, and the rear rotating lever 82, and to move up and down and back and forth on the lifting frame 4.
Specifically, the front rotary rod 81 and the front end of the lifting frame 4 are connected with the foot rest bracket 51; the rear inclined rod 83 is connected to the back support 52 at the rear end of the lifting frame 4. The specific structure of the footrest bracket 51 and the backrest bracket 52 is a conventional mature mechanism, and will not be described herein.
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, an upper end of the swing arm 32 is rotatably connected to the lifting frame 4, and a lower end of the swing arm 32 is rotatably connected to the driving rod 33.
As shown in fig. 4, the normal mode of the power sofa support, with the user sitting upright; the linear motor 7 extends out to drive the driving frame 3 to abut against the two connecting plates 44 of the lifting frame 4 for limiting, so that the linear motor 7 drives the lifting frame 4 to be lifted to the standing assisting mode shown in fig. 5, and a user can keep getting up and leave the sofa in the standing assisting mode.
During the normal mode of electronic sofa support, linear electric motor 7 withdraws, drive the drive frame 3 and do the backward rotation at the drop frame 4, swing arm 32 drives support piece 6 through actuating lever 33 and moves backward, when support piece 6 moves backward in-process drives foot rest support 51 and expandes, then get into the TV mode of electronic sofa support, namely, the user is fit for watching TV under this mode, along with linear electric motor 7 continues to drive support piece 6 through drive frame 3 and moves backward, drive back support 52 and open, just get into sofa support's leisure mode this moment.
The electric sofa support is changed from a traditional horizontal pushing motor to the existing linear motor 7, so that electric pushing force with large load is provided for the electric sofa support, the linear motor 7 is matched with the newly designed driving frame 3, so that the support 6 can be driven to do arc motion, namely the arc motion of the support 6 comprises the up-and-down motion of the support 6 and the back-and-forth motion of the support 6, and the motion of the support 6 finally drives the extension of the foot rest support 51 and the backrest support 52.
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; in addition, by means of the principle, the strength of the first connecting rod mechanism 2 is enhanced, and through the improvement, the load capacity of the electric sofa support is greatly improved.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. An electric sofa support suitable for lifting loads is characterized by comprising an underframe;
the two sides of the lifting frame are respectively connected with the underframe through the first connecting rod mechanisms, and the lifting frame does arc-shaped lifting motion on the underframe through the first connecting rod mechanisms;
the two supporting pieces are arranged on two sides of the lifting frame through second connecting rod mechanisms respectively;
the driving frame is connected with the lifting frame in a swinging mode, and two sides of the driving frame are connected with the supporting piece through driving rods respectively; the driving frame swings backwards, and the driving rods on the two sides drive the supporting piece to move; the driving frame swings forwards and abuts against the limiting bulge of the lifting frame so as to drive the first connecting rod mechanism to lift;
the direct-push motor is connected with the driving frame to drive the driving frame to rotate back and forth.
2. The electric sofa support suitable for lifting loads according to claim 1, wherein the lifting frame comprises two lifting mounting plates, a front connecting rod and a rear connecting rod, 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 connected to the lifting mounting plates.
3. The motorized sofa support for lifting a load according to claim 2, wherein the first linkage comprises a pair of front linkages and a pair of rear linkages, the lower ends of the front linkages and the rear linkages are pivotally connected to the base frame, and the upper ends of the front linkages and the rear linkages are pivotally connected to the lifting frame connection plate; two reinforcing rods are arranged between the two front connecting rods.
4. The motorized sofa support for lifting a load according to claim 1, wherein the second linkage mechanism comprises a front rotating rod, a rear tilting 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;
back dwang one end is rotated with the lift frame rear end and is connected, the back dwang other end rotates with the back down tube to be connected, the back down tube rotates with the support piece rear end to be connected.
5. The motorized sofa support for lifting a load according to claim 4, wherein,
the front rotary rod and the front end of the lifting frame are connected with the foot support bracket;
the rear inclined rod and the rear end of the lifting frame are connected with a backrest support.
6. The power sofa support according to claim 1, wherein the driving frame comprises a driving cross arm and two swinging arms, the swinging arms are fixedly arranged at two ends of the driving cross arm, the upper ends of the swinging arms are rotatably connected with the lifting frame, and the lower ends of the swinging 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 true CN111109921A (en) | 2020-05-08 |
| CN111109921B CN111109921B (en) | 2024-12-17 |
Family
ID=70491024
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) |
Cited By (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 (8)
| 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 |
| CN109288290A (en) * | 2018-11-02 | 2019-02-01 | 常州泽辉机械有限公司 | A kind of Dual-motors Driving helps station chaise longue brandreth and its working method |
| 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 |
| DE202019103838U1 (en) * | 2019-07-12 | 2019-07-24 | Dongguan Jackwell Hardware Co., Ltd. | Electric sofa frame |
| 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 |
-
2020
- 2020-01-18 CN CN202010055957.1A patent/CN111109921B/en active Active
Patent Citations (8)
| 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 |
| CN109288290A (en) * | 2018-11-02 | 2019-02-01 | 常州泽辉机械有限公司 | A kind of Dual-motors Driving helps station chaise longue brandreth and its working method |
| DE202019103838U1 (en) * | 2019-07-12 | 2019-07-24 | Dongguan Jackwell Hardware Co., Ltd. | Electric sofa frame |
| 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 |
Cited By (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 |
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|---|---|
| CN111109921B (en) | 2024-12-17 |
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