WO2019019330A1

WO2019019330A1 - Movable sofa twin motor drive structure

Info

Publication number: WO2019019330A1
Application number: PCT/CN2017/102873
Authority: WO
Inventors: 李晓鸿; 陈娇; 吴林林; 庞中
Original assignee: 锐迈机械科技（吴江）有限公司
Priority date: 2017-07-25
Filing date: 2017-09-22
Publication date: 2019-01-31
Also published as: CN107224133A

Abstract

Disclosed is a movable sofa twin motor drive structure, comprising a base (10), a backrest assembly (20) rotatably mounted on the base (10), and a footrest assembly (30) rotatably mounted on the backrest assembly (20). The movable sofa twin motor drive structure further comprises a first drive structure (40) and a second drive structure (50), wherein the first drive structure (40) comprises a first drive member (42), with one end of the first drive member (42) being rotatably mounted on the base (10) and the other end rotatably connected to the backrest assembly (20), the second drive structure (50) comprises a second drive member (52), a second connecting rod (54) and a third connecting rod (56), with two ends of the second drive member (52) being respectively rotatably connected to the second connecting rod (54) and the third connecting rod (56), the second connecting rod (54) is fixedly mounted on the footrest assembly (30), and the third connecting rod (56) is fixedly mounted on the backrest assembly (20), such that the backrest assembly (20) and the footrest assembly (30) operate independently and do not affect one another.

Description

Movable sofa double motor drive structure

Technical field

The invention relates to the furniture industry, and in particular to a movable sofa double motor driving structure.

Background technique

With the improvement of domestic productivity and the development of social and economic levels, people's living standards are getting higher and higher, and the requirements for furniture are getting higher and higher. Sofas, rocking chairs, seats, etc. in furniture can be seen everywhere. Some sofas can not only extend the pedals, but also raise or lower the backrest.

However, the existing activity sofa has the following drawbacks:

The existing movable sofa has only one driving structure. When adjusting the pedal or the backrest, as long as one of them is adjusted, the other will inevitably follow the movement, which causes the user to sometimes just want to extend the foot, and does not want to adjust the backrest, the backrest will also With the movement, it is inconvenient and the experience is not good.

Summary of the invention

In order to overcome the deficiencies of the prior art, it is an object of the present invention to provide a movable sofa dual motor drive structure capable of individually adjusting a backrest assembly or a pedal assembly.

The object of the invention is achieved by the following technical solutions:

An active sofa dual motor driving structure includes a base, a backrest assembly rotatably mounted to the base, and a pedal assembly rotatably mounted to the backrest assembly, the movable sofa double The motor drive structure further includes a first drive structure and a second drive structure, the first drive structure includes a first drive member, the first drive member is rotatably mounted to the base at one end, and the other end is rotatably coupled to the backrest assembly The second driving structure includes a second driving member, a second connecting rod and a third connecting rod, and the two ends of the second driving member are respectively rotatably connected to the second connecting rod and the third connecting rod, respectively The second link is fixedly mounted to the pedal assembly, and the third link is fixedly mounted to the backrest assembly.

Further, the first driving structure further includes a first link fixedly mounted to the back assembly, and the first driving member is rotatably coupled to the first link.

Further, the first driving component includes a first motor and a first slider, the first slider is slidably mounted on the first motor, and the first motor is rotatably mounted on the base, the first A slider is rotatably coupled to the first link.

Further, the first link is parallel to the second link.

Further, the second driving component includes a second motor and a second slider, the second slider is slidably mounted on the second motor, and the second motor is rotatably connected to the second link. The second slider is rotatably coupled to the third link.

Further, the second link is parallel to the third link.

Further, the pedal assembly includes a first telescopic rod and a second telescopic rod, the backrest assembly includes a second connecting piece, and the first telescopic rod and the second telescopic rod are rotatably mounted on the second connection a piece, the second link is fixed to the first telescopic rod.

Further, the backrest assembly further includes a first connecting piece, a first connecting rod, a second connecting rod, and a third connecting rod, wherein the first connecting rod, the second connecting rod, the third connecting rod and the base rotate Connected, the first connecting rod is rotatably connected with the second connecting piece, The second connecting rod and the third connecting rod are rotatably connected to the first connecting piece.

Further, the first driving structure further includes a first connecting rod, the first connecting rod is fixedly mounted on the back assembly, and the first driving member is rotatably connected to the first connecting rod, the first The connecting rod is fixedly mounted to the first connecting piece.

Further, the first driving member is rotatably connected to the third connecting rod.

Compared with the prior art, the first driving structure of the movable sofa dual motor driving structure of the present invention comprises a first driving member, the first driving member is rotatably mounted on the base at one end, the other end is rotatably connected to the backrest assembly, and the second driving structure includes the second a driving member, a second connecting rod and a third connecting rod, the two ends of the second driving member are respectively rotatably connected with the second connecting rod and the third connecting rod, the second connecting rod is fixedly mounted on the pedal assembly, and the third connecting rod is fixedly mounted In the backrest assembly, the first driving member controls the lifting and lowering of the backrest assembly, and the second driving member controls the contraction of the pedal assembly through the second link and the third link, so that the backrest assembly and the pedal assembly are operated independently without affecting each other.

DRAWINGS

1 is a perspective view of a first embodiment of a double-motor driving structure of a movable sofa according to the present invention;

2 is a schematic view showing an internal structure of the first embodiment of the double-motor driving structure of the movable sofa of FIG. 1;

3 is a schematic view showing a state of use of a wall according to a first embodiment of the double-motor driving structure of the movable sofa of FIG. 1;

4 is a schematic view showing the extended state of a pedal assembly of the first embodiment of the double-motor driving structure of the movable sofa of FIG. 3;

Figure 5 is a backrest assembly of the first embodiment of the movable sofa dual motor drive structure of Figure 3 a schematic diagram of the descending state;

6 is a schematic diagram of a pedal assembly extending and a backrest assembly descending state of the first embodiment of the movable sofa dual motor driving structure of FIG.

Fig. 7 is a schematic view showing the internal structure of a second embodiment of the movable sofa dual motor driving structure of the present invention.

In the figure: 100, movable sofa double motor drive structure; 10, base; 12, fixed piece; 20, backrest assembly; 22, first connecting piece; 24, second connecting piece; 26, first connecting rod; Two connecting rods; 29, a third connecting rod; 30, a pedal assembly; 32, a first telescopic rod; 34, a second telescopic rod; 40, a first driving structure; 42, a first driving member; 420, a first motor 422, first slider; 44, first link; 50, second drive structure; 52, second drive member; 520, second motor; 522, second slider; 54, second link; , the third link; 200, the wall.

Detailed ways

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

It should be noted that when a component is referred to as being "fixed" to another component, it can be directly on the other component or the component can be in the middle. When a component is considered to "connect" another component, it can be directly connected to another component or possibly simultaneously There is a centered component. When a component is considered to be "set to" another component, it can be placed directly on another component or possibly with a centered component. The terms "vertical," "horizontal," "left," "right," and the like, as used herein, are for illustrative purposes only.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. The terminology used in the description of the present invention is for the purpose of describing particular embodiments and is not intended to limit the invention. The term "and/or" used herein includes any and all combinations of one or more of the associated listed items.

Referring to FIGS. 1 to 2 , in a first embodiment of the present invention, a movable sofa dual motor drive structure 100 includes a base 10 , a backrest assembly 20 , a pedal assembly 30 , a first drive structure 40 , and a second drive structure 50 .

The base 10 includes a fixing piece 12. The backrest assembly 20 includes a first connecting piece 22, a second connecting piece 24, a first connecting rod 26, a second connecting rod 27, and a third connecting rod 29. The first connecting piece 22 is rotatably connected to the second connecting piece 24, and the first connecting rod 26 and the second connecting rod 27 are rotatably mounted on the first connecting piece 22. The third connecting rod 29 is rotatably mounted to the second connecting piece 24. The pedal assembly 30 includes a first telescoping rod 32 and a second telescoping rod 34.

The first drive structure 40 includes a first drive member 42 and a first link 44. The first driving member 42 includes a first motor 420 and a first slider 422. The first slider 422 is slidably mounted to the first motor 420. The first slider 422 is rotatably coupled to the first link 44. The second drive structure 50 includes a second drive member 52, a second link 54 and a third link 56. The second driving member 52 includes a second motor 520 and a second slider 522. The second slider 522 is slidably mounted to the second Motor 520. The second motor 520 is rotatably coupled to the second link 54. The second slider 522 is rotatably coupled to the third link 56.

When the movable sofa double motor drive structure 100 is assembled, the first telescopic rod 32 and the second telescopic rod 34 are rotatably mounted to the second connecting piece 24. The first connecting rod 26, the second connecting rod 27 and the third connecting rod 29 are rotatably coupled to the base 10. The first motor 420 is rotatably coupled to the fixed piece 12 of the base 10. The first link 44 is fixedly mounted to the first connecting piece 22. The third link 56 is fixedly mounted to the first connecting piece 22. The second link 54 is fixedly mounted to the first telescopic rod 32. At this time, the first link 44, the second link 54, and the third link 56 are parallel to each other.

Referring to FIG. 3 to FIG. 6, the movable sofa dual motor driving structure 100 of FIG. 3 is placed against the wall 200, and the backrest assembly of the movable sofa dual motor driving structure 100 is in a rising state, and the pedal assembly 30 is in a contracted state.

When the movable sofa dual motor drive structure 100 is used, the second slider 522 of the second driving structure 50 slides relative to the second motor 520, so that the second motor 520 drives the first telescopic rod 32 and the second telescopic rod through the second link 54. 34 is extended to cause the pedal assembly 30 to be in an extended state, as shown in FIG.

When the movable sofa dual motor drive structure 100 is used, the first slider 422 of the first driving structure 40 slides relative to the first motor 420, and the first slider 422 drives the first connecting piece 22 of the backrest assembly 20 to move through the first link 44. . The first connecting piece 22 drives the second connecting piece 24 to move and the first connecting rod 26, the second connecting rod 27 and the third connecting rod 29 rotate relative to the base 10, so that the backrest assembly 20 is lowered to make the movable sofa dual motor driving structure 100 Figure 5 shows.

When the first driving structure 40 and the second driving structure 50 work simultaneously, the second motor The second telescopic rod 32 and the second telescopic rod 34 are extended by the second link 54 to extend the pedal assembly 30. The first connecting piece 22 drives the second connecting piece 24 to move and the first connecting rod 26, the second connecting rod 27 and the third connecting rod 29 rotate relative to the base 10, so that the backrest assembly 20 is lowered to make the movable sofa dual motor driving structure 100 Figure 6 shows.

Referring to FIG. 7, in the second embodiment of the present invention, the structure of the movable sofa dual motor driving structure 100 is substantially the same as that in the first embodiment, except that the first driving structure 40 includes only the first driving member 42, first. The drive member 42 is rotatably coupled to the third link 56 and is rotatably coupled to the backrest assembly 20 via a third link 56.

By providing two separate driving structures, the backrest assembly 20 and the pedal assembly 30 are separately operated, cross-operated or operated simultaneously, without affecting each other, and the user experience is greatly enhanced. The drive structure uses a pin connection for easy assembly and maintenance. The movable sofa dual motor drive structure 100 can be used against the wall 200 to save space.

Various other changes and modifications may be made by those skilled in the art in light of the above-described technical solutions and concepts, and all such changes and modifications are intended to fall within the scope of the appended claims.

Claims

A movable sofa dual motor driving structure includes a base, a backrest assembly rotatably mounted to the base, and a pedal assembly rotatably mounted to the backrest assembly, wherein the movable sofa dual motor driving structure further includes a first a driving structure and a second driving structure, the first driving structure includes a first driving member, the first driving member is rotatably mounted to the base at one end, and the other end is rotatably coupled to the backrest assembly, the second driving structure The second driving member, the second connecting rod and the third connecting rod are respectively rotatably connected to the second connecting rod and the third connecting rod respectively, and the second connecting rod is fixedly mounted In the pedal assembly, the third link is fixedly mounted to the backrest assembly.
The movable sofa dual motor driving structure according to claim 1, wherein the first driving structure further comprises a first connecting rod, the first connecting rod is fixedly mounted to the back assembly, and the first driving The piece is rotatably coupled to the first link.
The movable sofa dual motor driving structure according to claim 2, wherein the first driving member comprises a first motor and a first slider, and the first slider is slidably mounted on the first motor, The first motor is rotatably mounted to the base, and the first slider is rotatably coupled to the first link.
The movable sofa dual motor driving structure according to claim 2, wherein the first link is parallel to the second link.
The movable sofa dual motor driving structure according to claim 1, wherein the second driving member comprises a second motor and a second slider, and the second slider is slidably mounted on the second motor. The second motor is rotatably coupled to the second link, and the second slider is rotatably coupled to the third link.
The movable sofa dual motor driving structure according to claim 1, wherein: The second link is parallel to the third link.
The movable sofa dual motor driving structure according to claim 1, wherein the pedal assembly comprises a first telescopic rod and a second telescopic rod, and the backrest assembly comprises a second connecting piece, the first telescopic rod And the second telescopic rod is rotatably mounted on the second connecting piece, and the second connecting rod is fixed to the first telescopic rod.
The movable sofa dual motor driving structure according to claim 7, wherein the backrest assembly further comprises a first connecting piece, a first connecting rod, a second connecting rod, and a third connecting rod, the first connecting rod The second connecting rod and the third connecting rod are rotatably connected to the base, the first connecting rod is rotatably connected with the second connecting piece, the second connecting rod and the third connecting rod are opposite to the first connecting rod A connecting piece is rotatably connected.
The movable sofa dual motor driving structure according to claim 8, wherein the first driving structure further comprises a first connecting rod, the first connecting rod is fixedly mounted to the back assembly, and the first driving The piece is rotatably coupled to the first link, and the first link is fixedly mounted to the first connecting piece.
The movable sofa dual motor driving structure according to claim 1, wherein the first driving member is rotatably coupled to the third link.