CN215347930U - Stretching device driven by electric power to swing - Google Patents

Abstract

The utility model belongs to the technical field of function sofa and specifically relates to a stretching device that electric drive sways is related to, it includes sofa base, symmetry install in sofa base's two sets of subassemblies that sway, be used for driving two sets of subassemblies that sway and carry out reciprocal wobbling drive arrangement in step, install in the stretching device who sways the subassembly free end, it includes the main rotation piece and the driven goods of furniture for display rather than for use that articulate in sofa base respectively to sway the subassembly, the main free end that rotates with be the transmission between the free end of driven goods of furniture for display rather than for use and connect, both sides fixedly connected with is used for installing the installed part of sofa main part between the free end of driven goods of furniture for display rather than for use. This application has the effect that the class function sofa experience nature was swayd in reinforcing.

Description

Stretching device driven by electric power to swing

Technical Field

The application relates to the field of functional sofas, in particular to an electric driven swinging stretching device.

Background

Currently, multifunctional sofas are widely used, and these existing multifunctional sofas generally employ a stretching device to provide various functions such as stretching or folding of a leg rest, forward and backward leaning of a backrest, and swinging.

The existing rocking chair functional sofa can only rock in sitting posture, and cannot rock after the leg rest part of the sofa is extended or when the sofa lies down, so that the user experience is poor.

SUMMERY OF THE UTILITY MODEL

In order to enhance the experience of the sofa with the rocking function, the application provides the stretching device with the electric drive rocking function.

The application provides a stretching device that electric drive sways adopts following technical scheme:

the utility model provides an extending device that electric drive sways, includes sofa base, symmetry install in sofa base's two sets of subassemblies that sway, be used for driving two sets of subassemblies that sway and carry out reciprocal wobbling drive arrangement in step, install in the extending device who sways the subassembly free end, sway the subassembly including articulating in sofa base's the main rotation piece and driven goods of furniture for display rather than for use respectively, the main free end that rotates with be the transmission between the free end of driven goods of furniture for display rather than for use and connect both sides fixedly connected with is used for installing the installed part of sofa main part between the free end of driven goods of furniture for display rather than for use.

Through adopting above-mentioned technical scheme, make stretching device connect in sofa base through two sets of subassemblies that sway, thereby make stretching device also possess the function of rocking, when the subassembly that sways, the owner rotates the piece and swings together through driven goods of furniture for display rather than for use drive installed part, and make the sofa main part of installing on the installed part sway, under the support of the driven goods of furniture for display rather than for use in both sides, make the sofa main part more stable, and stretching device can follow the sofa main part and swing in step, the motion of the subassembly that sways simultaneously can not receive the influence of the different extension states of stretching device yet, make the function sofa under being in any extension state, can both carry out wobbling action, thereby strengthened the experience nature of swaying type function sofa.

Preferably, the subassembly that sways still including articulating in the connecting piece of the main rotation piece and driven goods of furniture for display rather than for use respectively, sofa base, the main rotation piece, form four-bar linkage structure from mutually supporting between driven goods of furniture for display rather than for use and the connecting piece.

By adopting the technical scheme, under the coordination among the sofa base, the main rotating part, the driven swinging part and the connecting piece, the free end of the swinging assembly is integrally of a four-bar structure, so that the main rotating part, the driven swinging part and the connecting piece are constrained with each other in the swinging process of the swinging structure, and the swinging process is more stable; and through the support of the main rotating piece and the driven swing piece, the stress of the sofa base is more uniform, and the service life of the sofa base is prolonged.

Preferably, the extension means is connected to the primary rotary member and the secondary swing member respectively.

Through adopting above-mentioned technical scheme, under the cooperation of the owner rotation piece and driven goods of furniture for display rather than for use, connect and support extension device simultaneously, make extension device more stable at the wobbling in-process, difficult and sway relatively taking place between the subassembly, and make extension device atress more even, difficult emergence is damaged.

Preferably, the stretching device comprises an adjusting component for adjusting the backrest of the sofa and a stretching component for adjusting the leg rest part of the sofa, the adjusting component is movably connected to the stretching component, the adjusting component is connected to the main rotating part, and the stretching component is connected to the driven swing part.

Through adopting above-mentioned technical scheme, make extension device's different functional module, connect respectively in the owner and rotate piece and driven goods of furniture for display rather than for use, when extension device is at the operation in-process, adjusting part and extension subassembly are at the in-process that extends or draw in promptly, support through main dwang and regulation pendulum rod respectively, increase the stability of extension device in operation process.

Preferably, the swinging assembly further comprises a driven support part hinged to the connecting part, and the driven support part is provided with a stabilizing part for installing the sofa main body.

Through adopting above-mentioned technical scheme, add driven support piece on the connecting piece to set up the stabilizing member on driven support piece, thereby support the sofa simultaneously through installed part and stabilizing member, make the sofa main part when rocking, perhaps extend or draw in the time more stable, the sofa main part atress is more even.

Preferably, the primary rotatable member is located between the driven swing member and the driven support member.

Through adopting above-mentioned technical scheme, with the main rotation piece set up between driven goods of furniture for display rather than for use and driven support piece, when drive arrangement drive main rotation piece swung, the main rotation piece transmitted the power that drive arrangement passed through for driven goods of furniture for display rather than for use and driven support piece respectively through the connecting piece to make driven goods of furniture for display rather than for use and driven support piece atress more even in the motion process, installed part and stabilizing a atress are more even promptly, the sofa main part is swaying the in-process more stable.

Preferably, the sofa base respectively with the main pin joint's between rotating and the driven goods of furniture for display rather than for use interval that the connecting piece respectively with the main pin joint between rotating and the driven goods of furniture for display rather than for use.

Through adopting above-mentioned technical scheme, set up the interval between the fixed pin joint of the piece of rotating and driven goods of furniture for display rather than for use of owner to be greater than the interval between the rotation pin joint, when the piece of rotating drives the connecting piece when swinging as owner, make the connecting piece be located the one end of the piece of rotating and the one end that is located driven goods of furniture for display rather than for use and fluctuate to make the sofa main part sway the in-process and realize the action that leans forward or pitch backward, reinforcing user's experience is felt.

Preferably, the driving device is connected to the driving end of the driving device, the driving device is connected to the driving device, and the driving device is connected to the driving device.

Through adopting above-mentioned technical scheme, make the owner rotate the piece and buckle with driven goods of furniture for display rather than for use middle part, and be located the part of buckling respectively with the point of application of force of the owner rotation piece and the point of application of force of driven goods of furniture for display rather than for use of goods, when the owner rotates the direction of keeping away from driven goods of furniture for display rather than for use of goods and for use of goods, because the gravity most of sofa main part at this moment applys in the one end of the owner rotation piece, make the owner of the rotation piece under this state rotate the atress more evenly, and the driven goods of furniture for display rather than for use of goods when the orientation is rotated, the gravity most of sofa main part at this moment applys in the one end of driven goods of furniture for display rather than for use of goods, make the force direction of furniture for display rather than for use of goods perpendicular to the connecting piece as far as for display rather than for use of goods atress more evenly under this state, and can make the driven goods of furniture for display rather than for use of goods under this state, and more even.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the stretching device is connected to the sofa base through the swinging assembly, so that the stretching device has a swinging function, the functional sofa can swing under any stretching state, and the experience of the swinging functional sofa is enhanced;

2. the whole free end of the swinging assembly is of a four-bar structure, so that the swinging process is more stable.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a schematic structural view of the sofa base and the swinging component in the embodiment.

Fig. 3 is a schematic structural view of the sofa base and the swinging component in the embodiment.

Description of reference numerals: 1. a sofa base; 2. a rocking assembly; 3. a drive device; 4. a stretching device; 5. a support portion; 6. a reciprocating device; 7. a main rotating member; 8. a driven swing part; 9. a connecting member; 10. a driven support; 11. a mounting member; 12. a stabilizer; 13. an adjustment assembly; 14. an extension assembly.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses an electric drive sways stretching device. Referring to fig. 1, an electric driven swinging stretching device 4 includes a sofa base 1, a swinging assembly 2, a driving device 3, and a stretching device 4, wherein the sofa base 1 is in a rectangular frame shape, two opposite sides of the sofa base have supporting portions 5 extending along a vertical direction, the stretching device 4 and the swinging assembly 2 are respectively symmetrically provided with two sets and are respectively installed on the supporting portions 5 of the two sides, the driving device 3 preferably adopts an electromagnetic driving mechanism, a driving end of the driving device 3 is connected to the swinging assembly 2 of the two sides through a cross rod to drive the swinging assembly 2 to swing in a reciprocating manner, the stretching device 4 is correspondingly installed at a free end of the swinging assembly 2, a reciprocating device 6 for driving the stretching device 4 to stretch or furl is arranged between the stretching devices 4 of the two sides, and the reciprocating device 6 preferably is a rodless electric cylinder.

Referring to fig. 2 and 3, sway subassembly 2 including the owner and rotate 7, driven goods of furniture for display rather than for use 8, articulate respectively in the connecting piece 9 of the owner rotates 7 and driven goods of furniture for display rather than for use 8, articulate in the driven support piece 10 of connecting piece 9, wherein, the owner rotates 7 top end tip of piece and hinges respectively in the supporting part 5 of sofa base 1 with the 8 top end tip of driven goods of furniture for display rather than for use 8, the owner rotates 7 position in between driven goods of furniture for display rather than for use 10, and the hinge point on the 7 top of owner rotates and the pin joint on 8 tops of driven goods of furniture for display rather than for use is located same horizontal position, the hinge point of the 7 bottom of owner rotates and the pin joint of the 8 bottoms of driven goods of furniture for display rather than for use is located same horizontal position, connecting piece 9 is respectively, sofa base 1, the owner rotates 7, form four-bar structure from mutually supporting between driven goods of furniture for display rather than for use 8 and the connecting piece 9.

Referring to fig. 1 and 2, in order to install the sofa main body, a mounting part 11 is fixedly connected between the driven swing parts 8 of the two side swing assemblies 2, a stabilizing part 12 for installing the sofa main body is fixedly connected between the driven supporting parts 10 of the two side swing assemblies 2, the mounting part 11 and the stabilizing part 12 are connected with the two side swing assemblies 2 by adopting a shaft-shaped long rod, and the front side and the rear side of the sofa main body are respectively and rotatably connected with the mounting part 11 and the stabilizing part 12.

Referring to fig. 2 and 3, in order to stabilize the sofa main body during the swinging process, the distance between the hinge points of the sofa base 1 and the main rotating piece 7 and the driven swing piece 8 is larger than the distance between the hinge points of the connecting piece 9 and the main rotating piece 7 and the driven swing piece 8. The main rotation piece 7 middle part is buckled towards the direction of keeping away from driven goods of furniture for display rather than for use 8, and the drive end of drive arrangement 3 is connected in the main portion of buckling of rotating 7, and driven goods of furniture for display rather than for use 8 middle part is buckled towards the direction of keeping away from main rotation piece 7, and installed part 11 is connected in the part of buckling of driven goods of furniture for display rather than for use 8.

Referring to fig. 1 and 2, the stretching device 4 comprises an adjusting component 13 for adjusting the backrest of the sofa, a stretching component 14 for adjusting the leg rest of the sofa, the adjusting component 13 is movably connected to the stretching component 14, the adjusting component 13 is connected to the main rotating component 7, and the stretching component 14 is connected to the driven swing component 8.

The implementation principle of the stretching device 4 driven by the electric motor to swing in the embodiment of the application is as follows:

extension 4 is connected in sofa base 1 through rocking subassembly 2 to make extension 4 also possess the function of rocking, when the sofa main part is rocking through rocking subassembly 2, extension 4 can follow the sofa main part and carry out synchronous swing, the motion of rocking subassembly 2 simultaneously also can not receive the influence of the different extension states of extension 4, make the function sofa under being in any extension state, can both carry out wobbling action, thereby the experience nature of the type of function sofa that has strengthened rocking.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. An electrically driven swinging stretching device, characterized in that: install in two sets of subassemblies (2) that sway of sofa base (1), be used for driving two sets of subassemblies (2) that sway and carry out reciprocal wobbling drive arrangement (3) in step, install in extension (4) of swaying subassembly (2) free end including sofa base (1), symmetry, sway subassembly (2) including articulating in the main rotation piece (7) and the driven goods of furniture for display rather than for use (8) of sofa base (1) respectively, the main free end that rotates piece (7) with be the transmission between the free end of driven goods of furniture for display rather than for use (8) and connect, both sides fixedly connected with is used for installing installed part (11) of sofa main part between the free end of driven goods of furniture for display rather than for use (8).

2. An electrically driven rocking stretching device as claimed in claim 1, wherein: swing subassembly (2) still including articulating in connecting piece (9) of the main rotation piece (7) and driven goods of furniture for display rather than for use (8) respectively, sofa base (1), the main rotation piece (7), form four-bar linkage structure mutually supporting between driven goods of furniture for display rather than for use (8) and connecting piece (9).

3. An electrically driven rocking stretching device as claimed in claim 2, wherein: the stretching device (4) is respectively connected with the main rotating piece (7) and the driven swinging piece (8).

4. An electrically driven rocking stretching device as claimed in claim 2, wherein: the stretching device (4) comprises an adjusting component (13) used for adjusting the backrest of the sofa and a stretching component (14) used for adjusting the leg placing position of the sofa, the adjusting component (13) is movably connected with the stretching component (14), the adjusting component (13) is connected with the main rotating part (7), and the stretching component (14) is connected with the driven swing part (8).

5. An electrically driven rocking stretching device as claimed in claim 4, wherein: the swinging assembly (2) further comprises a driven supporting piece (10) hinged to the connecting piece (9), and a stabilizing piece (12) used for mounting the sofa main body is arranged on the driven supporting piece (10).

6. An electrically driven rocking stretching device as claimed in claim 5, wherein: the primary rotor (7) is located between the driven swing member (8) and the driven support member (10).

7. An electrically driven rocking stretching device as claimed in claim 2, wherein: sofa base (1) respectively with the main pin joint's that rotates between piece (7) and the driven goods of furniture for display rather than for use interval that is greater than connecting piece (9) respectively with the main pin joint that rotates between piece (7) and the driven goods of furniture for display rather than for use (8).

8. An electrically driven rocking stretching device as claimed in claim 7, wherein: the main rotation piece (7) mid portion orientation is kept away from the direction of driven goods of furniture for display rather than for use (8) is buckled, the drive end of drive arrangement (3) connect in the main part of buckling of rotating (7), driven goods of furniture for display rather than for use (8) mid portion orientation is kept away from the direction of main rotation piece (7) is buckled, installed part (11) connect in the part of buckling of driven goods of furniture for display rather than for use (8).

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