CN215015453U

CN215015453U - Novel stretching mechanism of electric sofa

Info

Publication number: CN215015453U
Application number: CN202121355710.8U
Authority: CN
Inventors: 徐梅钧; 吴亚新; 高志亮
Original assignee: Changzhou Xieshou Smart Home Co ltd
Current assignee: Changzhou Xieshou Smart Home Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-12-07
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses a novel extension mechanism of electric sofa, be equipped with driving side pipe between the base, driving motor and driving side union coupling, the left and right sides symmetry of driving side pipe is equipped with link assembly, link assembly includes first driving medium, first driving medium articulates there is the second driving medium, the second driving medium is articulated with head extension subassembly, head extension subassembly articulates there is the driving plate, the driving plate articulates there is the third driving medium, the third driving medium articulates there is the fourth driving medium, the fourth driving medium articulates on the base, the driving plate is articulated with shank extension subassembly, the third driving medium articulates there is the fifth driving medium, the fourth driving medium articulates there is the sixth driving medium, the fifth driving medium is articulated with shank extension subassembly, head extension subassembly articulates there is the seventh driving medium, the seventh driving medium articulates there is the eighth driving medium, the eighth driving medium is articulated with the sixth driving medium. The utility model discloses can be on the basis of current extension mechanism, the lifting that enables the shank highly improves, has reduced the height of head.

Description

Novel stretching mechanism of electric sofa

Technical Field

The utility model relates to an electronic furniture field especially relates to a novel extension mechanism of electronic sofa.

Background

Along with the development of science and technology and the improvement of living standard, electric furniture increasingly enters daily life. The sofa structure of current electronic sofa is because its extension mechanism's structural constraint when realizing extending the function, and its height of electronic sofa of same size is restricted by the structure, if will highly reduce, and its electronic sofa size will also diminish, can not satisfy practical demand. There is a need to provide an extension mechanism that reduces the height of the motorized sofa without changing the size and functionality.

Disclosure of Invention

The utility model discloses the technical problem of main solution provides an electronic sofa's novel extension mechanism, can make the lifting height-improving of shank on the basis of current extension mechanism, has reduced the height of head, makes extension mechanism expand and more be close to the horizontality.

In order to solve the technical problem, the utility model discloses a technical scheme be: the novel extension mechanism of the electric sofa comprises a base and a driving motor movably arranged on the base, wherein a driving square pipe is arranged between the bases, the driving motor is connected with the driving square pipe to drive the driving square pipe to move, connecting rod assemblies are symmetrically arranged on the left side and the right side of the driving square pipe, each connecting rod assembly comprises a first transmission piece connected with the driving square pipe, a second transmission piece is hinged to the first transmission piece, the front end of the second transmission piece is hinged to a head extension piece, the rear end of the head extension piece is also hinged to a transmission plate, the transmission plate is hinged to a third transmission piece, a fourth transmission piece is hinged to the lower portion of the third transmission piece, the lower end of the fourth transmission piece is hinged to the base, the front end of the transmission plate is hinged to a leg extension piece, the middle portion of the third transmission piece is hinged to a fifth transmission piece, and the middle portion of the fourth transmission piece is hinged to a sixth transmission piece, the fifth transmission member is hinged to the leg stretching assembly, the head stretching assembly is further hinged to a seventh transmission member, an eighth transmission member is hinged to the tail end of the seventh transmission member, and the upper end of the eighth transmission member is hinged to the sixth transmission member.

In a preferred embodiment of the present invention, the head stretching assembly includes a first head driving member and a second head driving member, the first head driving member and the second head driving member are hinged, and the second head driving member is hinged to the driving plate.

In a preferred embodiment of the present invention, one end of the seventh transmission member is hinged to the end of the first head link.

In a preferred embodiment of the present invention, the leg extension assembly includes a first leg connecting member, the first leg connecting member is hinged to the transmission plate, a second leg connecting member is hinged below the first leg connecting member, the other end of the second leg connecting member is hinged to a third leg connecting member, the third leg connecting member is hinged to the fifth transmission member and the transmission plate, a fourth leg connecting member is hinged above the third leg connecting member, and the lower end of the fourth leg connecting member is hinged to the base.

In a preferred embodiment of the present invention, the connecting rod assemblies are connected to each other through a plurality of transmission connecting rods so as to move synchronously.

The utility model has the advantages that: the utility model discloses electric sofa's novel extension mechanism can make the lifting height-improving of shank on the basis of current extension mechanism, has reduced the height of head, makes extension mechanism expand and more be close to the horizontality.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

fig. 1 is a schematic structural view of a preferred embodiment of the novel stretching mechanism of the electric sofa of the present invention;

FIG. 2 is a schematic view of a portion of the structure of FIG. 1;

FIG. 3 is a top view of FIG. 1;

the parts in the drawings are numbered as follows: 1. base, 2, driving square pipe, 3, link assembly, 31, first driving piece, 32, second driving piece, 33, third driving piece, 34, fourth driving piece, 35, fifth driving piece, 36, sixth driving piece, 37, seventh driving piece, 38, eighth driving piece, 39, driving plate, 4, head extension subassembly, 41, first head driving piece, 42, second head driving piece, 5, leg extension subassembly, 51, first leg driving piece, 52, second leg driving piece, 53, third leg driving piece, 54, fourth leg driving piece, 6, transmission connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 3, a novel stretching mechanism of an electric sofa comprises a base 1 and a driving motor (not shown) movably mounted on the base, a square driving pipe 2 is disposed between the base 1, the driving motor is connected with the square driving pipe 2 to drive the square driving pipe 2 to move, connecting rod assemblies 3 are symmetrically disposed on the left and right sides of the square driving pipe 2, each connecting rod assembly 3 comprises a first transmission member 31 connected with the square driving pipe 2, a second transmission member 32 is hinged on the first transmission member 31, the front end of the second transmission member 32 is hinged with a head stretching member 4, the rear end of the head stretching member 4 is also hinged with a transmission plate 39, the transmission plate 39 is hinged with a third transmission member 33, a fourth transmission member 34 is hinged below the third transmission member 33, the lower end of the fourth transmission member 34 is hinged on the base 1, the front end of the transmission plate 39 is hinged with a leg stretching member 5, and the middle of the third transmission member 33 is hinged with a fifth transmission member 35, the middle part of the fourth transmission piece 34 is hinged with a sixth transmission piece 36, the fifth transmission piece 35 is hinged with the leg stretching component 5, the head stretching component 4 is also hinged with a seventh transmission piece 37, the tail end of the seventh transmission piece 37 is hinged with an eighth transmission piece 38, and the upper end of the eighth transmission piece 38 is hinged with the sixth transmission piece 36.

In addition, the head extension assembly 4 comprises a first head transmission element 41 and a second head transmission element 42, the first head transmission element 41 and the second head transmission element 42 being articulated, the second head transmission element 42 being articulated with the transmission plate 39. The remainder of the head extension assembly 4 is a conventional linkage.

In addition, one end of the seventh transmission member 37 is hinged to the end of the first head link 41.

In addition, leg extension assembly 5 includes first leg link 51, and first leg link 51 articulates on driving plate 39, and first leg link 51 below still articulates there is second leg link 52, and the other end of second leg link 52 articulates at third leg link 53, and third leg link 52 still articulates with fifth driving medium 35 and driving plate 39, and the top of third leg link 53 articulates there is fourth leg link 54, and the lower extreme of fourth leg link 54 articulates on base 1.

In addition, the connecting rod assemblies 3 are connected through a plurality of transmission connecting rods 6 to enable the connecting rod assemblies to move synchronously.

The utility model discloses electric sofa's novel specific theory of operation of mechanism that extends as follows: the driving motor pushes the square driving pipe 2 forwards, the square driving pipe 2 pushes the first head transmission part 41 through the first transmission part 31 and the second transmission part 32 to open the head stretching component 4, the head stretching component 4 is opened to the fully opened state, the driving motor continues to push, the second head transmission part 42 pulls the transmission plate 39 to move forwards, the transmission plate 39 moves forwards and simultaneously drives the fourth transmission part 34 to rotate around the base through the third transmission part 33, so that the height of the head transmission component is further reduced, the transmission plate 39 synchronously drives the first leg transmission part 51, the second leg transmission part 52, the third leg transmission part 53 and the fourth leg transmission part 54 to rotate, the height of the leg stretching component is adjusted, and the mechanism can be closer to the heights of the legs and the head.

Be different from prior art, the utility model discloses electric sofa's novel extension mechanism can make the lifting height-improving of shank on the basis of current extension mechanism, has reduced the height of head, makes extension mechanism expand and more be close to the horizontality.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.

Claims

1. A novel extension mechanism of an electric sofa comprises a base and a driving motor movably mounted on the base, wherein a driving square pipe is arranged between the bases, the driving motor is connected with the driving square pipe to drive the driving square pipe to move, the novel extension mechanism is characterized in that connecting rod assemblies are symmetrically arranged on the left side and the right side of the driving square pipe, each connecting rod assembly comprises a first transmission piece connected with the driving square pipe, a second transmission piece is hinged to the first transmission piece, the front end of the second transmission piece is hinged to a head extension assembly, the rear end of the head extension assembly is hinged to a transmission plate, the transmission plate is hinged to a third transmission piece, a fourth transmission piece is hinged to the lower portion of the third transmission piece, the lower end of the fourth transmission piece is hinged to the base, the front end of the transmission plate is hinged to a leg extension assembly, and the middle portion of the third transmission piece is hinged to a fifth transmission piece, the middle part of fourth driving medium articulates there is the sixth driving medium, the fifth driving medium extends the subassembly with the shank and articulates, head extends the subassembly and still articulates there is the seventh driving medium, seventh driving medium end articulates there is the eighth driving medium, the upper end and the sixth driving medium of eighth driving medium are articulated.

2. The novel extension mechanism of an electric sofa of claim 1, wherein the head extension assembly comprises a first head drive member and a second head drive member, the first head drive member and the second head drive member being hingedly connected, the second head drive member being hingedly connected to the drive plate.

3. The novel extension mechanism for electric sofas of claim 2, wherein one end of the seventh transmission member is hinged to the end of the first head link.

4. The novel extension mechanism of electric sofa of any of claims 1-3, wherein the leg extension assembly comprises a first leg connector hinged to the transmission plate, a second leg connector hinged below the first leg connector, and the other end of the second leg connector is hinged to a third leg connector, and the third leg connector is further hinged to a fifth transmission member and the transmission plate, and a fourth leg connector hinged above the third leg connector, and the lower end of the fourth leg connector is hinged to the base.

5. The novel stretching mechanism of electric sofa of claim 4, wherein said connecting rod assemblies are connected by a plurality of transmission connecting rods for synchronous movement.