CN215959115U - Sofa lifting base and sofa assembly - Google Patents
Sofa lifting base and sofa assembly Download PDFInfo
- Publication number
- CN215959115U CN215959115U CN202122409424.1U CN202122409424U CN215959115U CN 215959115 U CN215959115 U CN 215959115U CN 202122409424 U CN202122409424 U CN 202122409424U CN 215959115 U CN215959115 U CN 215959115U
- Authority
- CN
- China
- Prior art keywords
- sofa
- push rod
- electric push
- shaped frame
- frame
- 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.)
- Active
Links
Images
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model discloses a sofa lifting base and a sofa assembly, which comprise a U-shaped frame and an electric push rod; the two free ends of the U-shaped frame are used for connecting the front side of the sofa frame; the electric push rod comprises a fixed end and a telescopic end; one end of the electric push rod is hinged on the middle rail of the U-shaped frame, and the other end of the electric push rod is hinged on the crosspiece on the sofa frame; the electric push rod can rotate by taking a hinge point at the front end of the telescopic rod as a center, and the projection of the electric push rod is positioned in an area defined by the U-shaped frame; when the free end of the electric push rod extends forwards, the rear side of the sofa frame is lifted by the electric push rod, so that the sofa is in a low-front-high-rear-high posture to assist a person who is inconvenient to move to sit up; the utility model has simple structure and lower cost; meanwhile, the lifting base is small in size, light in weight and convenient to move and carry.
Description
Technical Field
The utility model relates to the technical field of sofas or sofa chairs, in particular to a liftable base of a sofa, which drives the sofa to be adjusted to a posture with a low front part and a high back part so as to assist old people and other persons with mobility disabilities to get up and sit down on the sofa.
Background
The sofa is home furniture and is provided with a soft seat part for people to sit and have a rest.
The height of the conventional sofa is fixed; some lifting sofas are available in the market, which can meet the requirement that users with different heights can adjust the proper height by themselves so as to enable the users to sit on the sofas more comfortably.
CN 214072615U's intelligence lift sofa is equipped with elevating gear including sofa pad, supporting seat, and elevating gear includes that lifter, air pump, lifter are equipped with the piston, comes the lifting sofa height through cylinder and lifter.
Also, an intelligent sofa device with lifting function like CN 213882540U; a sofa frame lifting limit mechanism of CN 213308561U; etc. of
A lifting sofa capable of assisting the old and other persons with mobility disabilities to get up and sit down is provided; the lower part of the sofa is provided with a lifting base which is used for lifting the rear side of the sofa and enabling the whole sofa to be in a low-front and high-rear posture; so as to reduce the variation range of the sitting posture of the mobility-handicapped people, for example, bring convenience to the old.
However, the lifting mechanism of the existing sofa is more complex in structure and high in cost; meanwhile, the volume and the weight are large, and the carrying and the movement are inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a sofa lifting base which is simple in structure and light in weight; the sofa lifting base can assist the mobility-handicapped person to get up and sit down on the sofa.
Further provides a sofa component with the sofa lifting base.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the sofa lifting base comprises a U-shaped frame and an electric push rod;
the two free ends of the U-shaped frame are used for connecting the front side of the sofa frame;
the electric push rod comprises a fixed end and a telescopic end;
one end of the electric push rod is hinged to the middle rail of the U-shaped frame, and the other end of the electric push rod is hinged to the crosspiece on the sofa frame;
the electric push rod can rotate by taking a hinge point at the front end of the telescopic rod as a center, and the projection of the electric push rod is positioned in an area surrounded by the U-shaped frame.
The further preferable scheme of the utility model is as follows: the telescopic end of the electric push rod is hinged to the middle rail of the U-shaped frame, and the fixed end of the electric push rod is hinged to the crosspiece of the sofa frame.
The further preferable scheme of the utility model is as follows: the fixed end of the electric push rod is hinged with a first connecting piece, and the first connecting piece is used for being fixed on the crosspiece.
The further preferable scheme of the utility model is as follows: and second connecting pieces are respectively fixed on two free ends of the U-shaped frame and are used for fixing the inner walls of two sides of the sofa frame.
The further preferable scheme of the utility model is as follows: and a plurality of cushion blocks are arranged at the bottom of the U-shaped frame.
The further preferable scheme of the utility model is as follows: and a first shaft connecting piece is arranged on the inner side of a middle gear of the U-shaped frame, and the telescopic end is connected to the first shaft connecting piece through a first shaft pin.
The further preferable scheme of the utility model is as follows: and the first connecting piece is provided with a second connecting piece, and the fixed end is connected with the second connecting piece through a second shaft pin.
Another subject of the utility model: the sofa lifting base comprises a U-shaped frame and an electric push rod;
the two free ends of the U-shaped frame are used for connecting the front side of the sofa frame;
the electric push rod comprises a fixed seat, a motor and a telescopic rod;
the front end of a telescopic rod of the electric push rod is hinged to a middle rail of the U-shaped frame, and a fixed seat of the electric push rod is hinged to a crosspiece on the sofa frame;
the electric push rod can rotate by taking a hinge point at the front end of the telescopic rod as a center, and the projection of the electric push rod is positioned in an area surrounded by the U-shaped frame.
Another subject of the utility model: the fixed end of the electric push rod is hinged with a first connecting piece, and the first connecting piece is used for being fixed on the crosspiece;
two free ends of the U-shaped frame are respectively fixed with a second connecting piece which is used for fixing the inner walls of two sides of the sofa frame;
another subject of the utility model; the sofa component comprises a sofa and the sofa lifting base, wherein the sofa lifting base is arranged at the bottom of the sofa.
Compared with the prior art, the utility model has the advantages that two free ends of the U-shaped frame at the bottom of the sofa are used for being connected to the front side of the sofa frame; one end of the electric push rod is hinged on the middle rail of the U-shaped frame, and the other end of the electric push rod is hinged on the crosspiece on the sofa frame; when the free end of the electric push rod extends forwards, the U-shaped frame is fixed on the ground, so that the rear side of the sofa frame can be lifted by the action of the electric push rod, the sofa is in a posture of low front and high back, and a person who is inconvenient to move can be assisted to get up or sit on the sofa.
The sofa lifting base is simple in structure and low in cost; meanwhile, the lifting base is small in size, light in weight and convenient to move and carry.
Drawings
The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the preferred embodiments and therefore should not be taken as limiting the scope of the utility model. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.
FIG. 1 is a first general structural view of a sofa assembly;
FIG. 2 is a schematic view of the overall structure of the sofa assembly;
FIG. 3 is a first schematic view of the sofa lifting base in a horizontal state;
FIG. 4 is a schematic view of a horizontal state of the sofa lifting base;
FIG. 5 is a first schematic view illustrating a lifting state of the sofa lifting base;
fig. 6 is a schematic diagram of a sofa lifting base in a lifted state.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative only, and is not to be construed as limiting the scope of the utility model.
It should be noted that: like reference numerals refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "front" and "back" and the like refer to the orientation or position relationship based on the drawings or the orientation or position relationship that the utility model product is usually placed when in use, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 and 2, a sofa is a common piece of furniture for people to sit, lie and rest; the sofa assembly 100 comprises the sofa 10 and the sofa lifting base 20, wherein the sofa lifting base 20 is arranged at the bottom of the sofa 10, is suitable for old people and patients with inconvenient actions, can assist users in sitting up and avoiding overlarge posture range during sitting up and sitting down.
In the utility model, the sofa is conventional, and the innovation lies in the structure of the sofa lifting base and the connection mode of the sofa lifting base and the sofa frame, which are also the contents required to be protected by the utility model. Specifically, the detailed development is as follows:
as shown in fig. 3 to 6, the sofa 10 includes a sofa frame 11 and a flexible seat 12, the sofa frame 11 has a U-shaped cross section, and the front side of the sofa frame 11 is open.
The sofa lifting base 20 comprises a U-shaped frame 21 and an electric push rod 22; the two free ends a of the U-shaped frame 21 are used to connect the front side of the sofa frame 11; the electric push rod 22 comprises a fixed end b and a telescopic end c; specifically, the electric push rod 22 includes a fixed base 22d, a motor 22e, and a telescopic rod 22 f. The electric push rod 22 is an electric drive device that converts the rotational motion of the motor 22e into the linear reciprocating motion of the push rod.
One end of the electric push rod 22 is hinged on a middle rail 23 of the U-shaped frame 21, and the other end of the electric push rod 22 is hinged on a crosspiece 13 on the sofa frame 11; the electric push rod 22 is rotatable around a hinge point g at the front end of the telescopic rod 22f, and the projection of the electric push rod 22 is located in the area surrounded by the U-shaped frame 21.
As shown in fig. 5 and 6, the present invention has an advantage that both free ends a of the U-shaped frame 21 are used to connect the front side of the sofa frame 11; one end of the electric push rod 22 is hinged on a middle rail 23 of the U-shaped frame 21, and the other end of the electric push rod 22 is hinged on a crosspiece 13 on the sofa frame 11; when the free end a of the electric push rod 22 extends forwards, the middle rail 23 of the U-shaped frame 21 is grounded and fixed on the ground, so that the rear side of the sofa frame 11 is lifted by the electric push rod 22, and the sofa takes a posture of low front and high rear to assist the handicapped person to sit up on the sofa.
The utility model has simple structure and lower cost; meanwhile, the sofa lifting base 20 is small in size, light in weight and convenient to move and carry.
When the sofa 10 is in the horizontal state, the electric push rod 22 is not activated, and the electric push rod 22 is located in the plane of the U-shaped frame 21 and at the central position of the U-shaped frame 21, and the U-shaped frame 21 is located on the ground as a whole.
When the electric push rod 22 is started, the telescopic rod 22f of the electric push rod 22 gradually extends, because the U-shaped frame 21 is located on the ground, the height of the telescopic end of the electric push rod 22 hinged to the middle rail 23 of the U-shaped frame 21 is not changed, and the fixed end of the crosspiece 13 of the electric push rod 22 hinged to the sofa frame 11 is raised, so that the rear side of the sofa 10 is raised, and the sofa 10 is integrally in a low-front high-rear posture, so that a person with mobility difficulty can get up and sit.
More specifically, the telescopic end c of the electric push rod 22 is hinged on the middle rail 23 of the U-shaped frame 21, and the fixed end b of the electric push rod 22 is hinged on the crosspiece 13 of the sofa frame 11.
The fixed end b of the electric push rod 22 is hinged with a first connecting piece 01, and the first connecting piece 01 is used for being fixed on the crosspiece 13.
The two free ends a of the U-shaped frame 21 are respectively fixed with a second connecting piece 02, and the second connecting pieces 02 are used for fixing the inner walls of the two sides of the sofa frame 11.
The bottom of the U-shaped frame 21 is provided with a plurality of spacers 30. The U-shaped frame 21 is formed by assembling and splicing a plurality of sections of metal pipes, and the cross sections of the metal pipes are square. The pad 30 is made of plastic or hard rubber to avoid abrasion of the U-shaped frame 21.
The inner side of the middle rail 23 of the U-shaped frame 21 is provided with a first shaft connector 03, and the telescopic end c is connected to the first shaft connector 03 through a first shaft pin 04.
The first connecting piece 01 is provided with a second connecting piece 05, and the fixed end b is connected with the second connecting piece 05 through a second shaft pin 06.
The sofa lifting base and the sofa assembly provided by the utility model are described in detail, and the principle and the implementation mode of the utility model are explained by applying specific examples, and the description of the examples is only used for helping to understand the utility model and the core idea. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The sofa lifting base is characterized by comprising a U-shaped frame and an electric push rod;
the two free ends of the U-shaped frame are used for connecting the front side of the sofa frame;
the electric push rod comprises a fixed end and a telescopic end;
one end of the electric push rod is hinged to the middle rail of the U-shaped frame, and the other end of the electric push rod is hinged to the crosspiece on the sofa frame;
the electric push rod can rotate by taking a hinge point at the front end of the telescopic rod as a center, and the projection of the electric push rod is positioned in an area surrounded by the U-shaped frame.
2. The sofa lifting base according to claim 1, wherein the telescopic end of the electric push rod is hinged to the middle rail of the U-shaped frame, and the fixed end of the electric push rod is hinged to the rail of the sofa frame.
3. The sofa lifting base according to claim 2, wherein the fixed end of the power push rod is hinged to a first connecting member for fixing to the rail.
4. The sofa lifting base according to claim 1, wherein the two free ends of the U-shaped frame are respectively fixed with a second connecting member, and the second connecting members are used for fixing the two side inner walls of the sofa frame.
5. The sofa lifting base according to claim 1, wherein the U-shaped frame has a plurality of pads on the bottom.
6. The sofa lifting base according to claim 2, wherein the U-shaped frame has a first pivot member on the inner side of the middle rail, and the extendable end is connected to the first pivot member by a first pivot pin.
7. The sofa lifting base according to claim 3, wherein the first connector has a second connector thereon, and the fixed end is connected to the second connector by a second pin.
8. The sofa lifting base is characterized by comprising a U-shaped frame and an electric push rod;
the two free ends of the U-shaped frame are used for connecting the front side of the sofa frame;
the electric push rod comprises a fixed seat, a motor and a telescopic rod;
the front end of a telescopic rod of the electric push rod is hinged to a middle rail of the U-shaped frame, and a fixed seat of the electric push rod is hinged to a crosspiece on the sofa frame;
the electric push rod can rotate by taking a hinge point at the front end of the telescopic rod as a center, and the projection of the electric push rod is positioned in an area surrounded by the U-shaped frame.
9. The sofa lifting base according to claim 8, wherein the fixed end of the electric push rod is hinged with a first connecting piece, and the first connecting piece is used for being fixed on the crosspiece;
and second connecting pieces are respectively fixed on two free ends of the U-shaped frame and are used for fixing the inner walls of two sides of the sofa frame.
10. A sofa assembly comprising a sofa and the sofa lifting base of any of claims 1-9, wherein the sofa lifting base is disposed at the bottom of the sofa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122409424.1U CN215959115U (en) | 2021-09-30 | 2021-09-30 | Sofa lifting base and sofa assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122409424.1U CN215959115U (en) | 2021-09-30 | 2021-09-30 | Sofa lifting base and sofa assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215959115U true CN215959115U (en) | 2022-03-08 |
Family
ID=80508998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122409424.1U Active CN215959115U (en) | 2021-09-30 | 2021-09-30 | Sofa lifting base and sofa assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215959115U (en) |
-
2021
- 2021-09-30 CN CN202122409424.1U patent/CN215959115U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3777807B1 (en) | Multifunctional wheelchair | |
| CN107049638B (en) | It is a kind of to help the collapsible wheelchair easy to transfer and first aid certainly with old man | |
| KR102128494B1 (en) | Chair for elderly and disabled | |
| CN215959115U (en) | Sofa lifting base and sofa assembly | |
| CN214258627U (en) | Novel coordinated type massage chair frame | |
| CN109124120B (en) | Iron frame for standing-assisting deck chair and working method thereof | |
| CN217430421U (en) | Massage chair frame and massage chair | |
| CN215994537U (en) | Portable folding wheelchair | |
| CN211156797U (en) | Novel wheelchair bed | |
| CN209827310U (en) | Sliding type nursing bed | |
| CN210170319U (en) | Multifunctional multi-position medical electric chair | |
| CN111887640A (en) | Seat frame and seat with rise function of leaning forward | |
| CN213640251U (en) | Old man's chair drive arrangement and old man's chair support with stabilize raising and lowering functions | |
| CN216365825U (en) | Massage chair | |
| CN2633107Y (en) | Seat liftig device of chair | |
| CN220423534U (en) | Backrest leg and foot linkage chair frame structure | |
| CN213308561U (en) | Sofa frame lifting limiting mechanism, sofa frame and sofa | |
| CN215503852U (en) | Multifunctional electric folding bed chair | |
| CN218338028U (en) | Sofa chair with function of helping | |
| CN218391503U (en) | Nursing bed convenient to get on or off bed | |
| CN216932489U (en) | Horizontal armrest and sofa | |
| CN216855049U (en) | Multifunctional rehabilitation wheelchair | |
| CN216876886U (en) | Disconnect-type wheelchair helping hand bed | |
| CN216876887U (en) | Disconnect-type wheelchair helping hand bed | |
| CN219206366U (en) | Electric adjusting bed capable of being integrally inclined |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |